} promise - A promise that is\n * resolved with an {@link OptionalContentConfig} instance.\n */\n set optionalContentConfigPromise(promise) {\n if (!(promise instanceof Promise)) {\n throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);\n }\n if (!this.pdfDocument) {\n return;\n }\n if (!this._optionalContentConfigPromise) {\n // Ignore the setter *before* the `onePageRendered` promise has resolved,\n // since it'll be overwritten anyway; won't happen in the default viewer.\n return;\n }\n this._optionalContentConfigPromise = promise;\n\n this.refresh(false, { optionalContentConfigPromise: promise });\n\n this.eventBus.dispatch(\"optionalcontentconfigchanged\", {\n source: this,\n promise,\n });\n }\n\n /**\n * @type {number} One of the values in {ScrollMode}.\n */\n get scrollMode() {\n return this._scrollMode;\n }\n\n /**\n * @param {number} mode - The direction in which the document pages should be\n * laid out within the scrolling container.\n * The constants from {ScrollMode} should be used.\n */\n set scrollMode(mode) {\n if (\n typeof PDFJSDev === \"undefined\"\n ? window.isGECKOVIEW\n : PDFJSDev.test(\"GECKOVIEW\")\n ) {\n // NOTE: Always ignore the pageLayout in GeckoView since there's\n // no UI available to change Scroll/Spread modes for the user.\n return;\n }\n if (this._scrollMode === mode) {\n return; // The Scroll mode didn't change.\n }\n if (!isValidScrollMode(mode)) {\n throw new Error(`Invalid scroll mode: ${mode}`);\n }\n if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {\n return; // Disabled for performance reasons.\n }\n this._previousScrollMode = this._scrollMode;\n\n this._scrollMode = mode;\n this.eventBus.dispatch(\"scrollmodechanged\", { source: this, mode });\n\n this._updateScrollMode(/* pageNumber = */ this._currentPageNumber);\n }\n\n _updateScrollMode(pageNumber = null) {\n const scrollMode = this._scrollMode,\n viewer = this.viewer;\n\n viewer.classList.toggle(\n \"scrollHorizontal\",\n scrollMode === ScrollMode.HORIZONTAL\n );\n viewer.classList.toggle(\"scrollWrapped\", scrollMode === ScrollMode.WRAPPED);\n\n if (!this.pdfDocument || !pageNumber) {\n return;\n }\n\n if (scrollMode === ScrollMode.PAGE) {\n this.#ensurePageViewVisible();\n } else if (this._previousScrollMode === ScrollMode.PAGE) {\n // Ensure that the current spreadMode is still applied correctly when\n // the *previous* scrollMode was `ScrollMode.PAGE`.\n this._updateSpreadMode();\n }\n // Non-numeric scale values can be sensitive to the scroll orientation.\n // Call this before re-scrolling to the current page, to ensure that any\n // changes in scale don't move the current page.\n if (this._currentScaleValue && isNaN(this._currentScaleValue)) {\n this.#setScale(this._currentScaleValue, { noScroll: true });\n }\n this._setCurrentPageNumber(pageNumber, /* resetCurrentPageView = */ true);\n this.update();\n }\n\n /**\n * @type {number} One of the values in {SpreadMode}.\n */\n get spreadMode() {\n return this._spreadMode;\n }\n\n /**\n * @param {number} mode - Group the pages in spreads, starting with odd- or\n * even-number pages (unless `SpreadMode.NONE` is used).\n * The constants from {SpreadMode} should be used.\n */\n set spreadMode(mode) {\n if (\n typeof PDFJSDev === \"undefined\"\n ? window.isGECKOVIEW\n : PDFJSDev.test(\"GECKOVIEW\")\n ) {\n // NOTE: Always ignore the pageLayout in GeckoView since there's\n // no UI available to change Scroll/Spread modes for the user.\n return;\n }\n if (this._spreadMode === mode) {\n return; // The Spread mode didn't change.\n }\n if (!isValidSpreadMode(mode)) {\n throw new Error(`Invalid spread mode: ${mode}`);\n }\n this._spreadMode = mode;\n this.eventBus.dispatch(\"spreadmodechanged\", { source: this, mode });\n\n this._updateSpreadMode(/* pageNumber = */ this._currentPageNumber);\n }\n\n _updateSpreadMode(pageNumber = null) {\n if (!this.pdfDocument) {\n return;\n }\n const viewer = this.viewer,\n pages = this._pages;\n\n if (this._scrollMode === ScrollMode.PAGE) {\n this.#ensurePageViewVisible();\n } else {\n // Temporarily remove all the pages from the DOM.\n viewer.textContent = \"\";\n\n if (this._spreadMode === SpreadMode.NONE) {\n for (const pageView of this._pages) {\n viewer.append(pageView.div);\n }\n } else {\n const parity = this._spreadMode - 1;\n let spread = null;\n for (let i = 0, ii = pages.length; i < ii; ++i) {\n if (spread === null) {\n spread = document.createElement(\"div\");\n spread.className = \"spread\";\n viewer.append(spread);\n } else if (i % 2 === parity) {\n spread = spread.cloneNode(false);\n viewer.append(spread);\n }\n spread.append(pages[i].div);\n }\n }\n }\n\n if (!pageNumber) {\n return;\n }\n // Non-numeric scale values can be sensitive to the scroll orientation.\n // Call this before re-scrolling to the current page, to ensure that any\n // changes in scale don't move the current page.\n if (this._currentScaleValue && isNaN(this._currentScaleValue)) {\n this.#setScale(this._currentScaleValue, { noScroll: true });\n }\n this._setCurrentPageNumber(pageNumber, /* resetCurrentPageView = */ true);\n this.update();\n }\n\n /**\n * @private\n */\n _getPageAdvance(currentPageNumber, previous = false) {\n switch (this._scrollMode) {\n case ScrollMode.WRAPPED: {\n const { views } = this._getVisiblePages(),\n pageLayout = new Map();\n\n // Determine the current (visible) page layout.\n for (const { id, y, percent, widthPercent } of views) {\n if (percent === 0 || widthPercent < 100) {\n continue;\n }\n let yArray = pageLayout.get(y);\n if (!yArray) {\n pageLayout.set(y, (yArray ||= []));\n }\n yArray.push(id);\n }\n // Find the row of the current page.\n for (const yArray of pageLayout.values()) {\n const currentIndex = yArray.indexOf(currentPageNumber);\n if (currentIndex === -1) {\n continue;\n }\n const numPages = yArray.length;\n if (numPages === 1) {\n break;\n }\n // Handle documents with varying page sizes.\n if (previous) {\n for (let i = currentIndex - 1, ii = 0; i >= ii; i--) {\n const currentId = yArray[i],\n expectedId = yArray[i + 1] - 1;\n if (currentId < expectedId) {\n return currentPageNumber - expectedId;\n }\n }\n } else {\n for (let i = currentIndex + 1, ii = numPages; i < ii; i++) {\n const currentId = yArray[i],\n expectedId = yArray[i - 1] + 1;\n if (currentId > expectedId) {\n return expectedId - currentPageNumber;\n }\n }\n }\n // The current row is \"complete\", advance to the previous/next one.\n if (previous) {\n const firstId = yArray[0];\n if (firstId < currentPageNumber) {\n return currentPageNumber - firstId + 1;\n }\n } else {\n const lastId = yArray[numPages - 1];\n if (lastId > currentPageNumber) {\n return lastId - currentPageNumber + 1;\n }\n }\n break;\n }\n break;\n }\n case ScrollMode.HORIZONTAL: {\n break;\n }\n case ScrollMode.PAGE:\n case ScrollMode.VERTICAL: {\n if (this._spreadMode === SpreadMode.NONE) {\n break; // Normal vertical scrolling.\n }\n const parity = this._spreadMode - 1;\n\n if (previous && currentPageNumber % 2 !== parity) {\n break; // Left-hand side page.\n } else if (!previous && currentPageNumber % 2 === parity) {\n break; // Right-hand side page.\n }\n const { views } = this._getVisiblePages(),\n expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1;\n\n for (const { id, percent, widthPercent } of views) {\n if (id !== expectedId) {\n continue;\n }\n if (percent > 0 && widthPercent === 100) {\n return 2;\n }\n break;\n }\n break;\n }\n }\n return 1;\n }\n\n /**\n * Go to the next page, taking scroll/spread-modes into account.\n * @returns {boolean} Whether navigation occurred.\n */\n nextPage() {\n const currentPageNumber = this._currentPageNumber,\n pagesCount = this.pagesCount;\n\n if (currentPageNumber >= pagesCount) {\n return false;\n }\n const advance =\n this._getPageAdvance(currentPageNumber, /* previous = */ false) || 1;\n\n this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount);\n return true;\n }\n\n /**\n * Go to the previous page, taking scroll/spread-modes into account.\n * @returns {boolean} Whether navigation occurred.\n */\n previousPage() {\n const currentPageNumber = this._currentPageNumber;\n\n if (currentPageNumber <= 1) {\n return false;\n }\n const advance =\n this._getPageAdvance(currentPageNumber, /* previous = */ true) || 1;\n\n this.currentPageNumber = Math.max(currentPageNumber - advance, 1);\n return true;\n }\n\n /**\n * @typedef {Object} ChangeScaleOptions\n * @property {number} [drawingDelay]\n * @property {number} [scaleFactor]\n * @property {number} [steps]\n * @property {Array} [origin] x and y coordinates of the scale\n * transformation origin.\n */\n\n /**\n * Changes the current zoom level by the specified amount.\n * @param {ChangeScaleOptions} [options]\n */\n updateScale({ drawingDelay, scaleFactor = null, steps = null, origin }) {\n if (steps === null && scaleFactor === null) {\n throw new Error(\n \"Invalid updateScale options: either `steps` or `scaleFactor` must be provided.\"\n );\n }\n if (!this.pdfDocument) {\n return;\n }\n let newScale = this._currentScale;\n if (scaleFactor > 0 && scaleFactor !== 1) {\n newScale = Math.round(newScale * scaleFactor * 100) / 100;\n } else if (steps) {\n const delta = steps > 0 ? DEFAULT_SCALE_DELTA : 1 / DEFAULT_SCALE_DELTA;\n const round = steps > 0 ? Math.ceil : Math.floor;\n steps = Math.abs(steps);\n do {\n newScale = round((newScale * delta).toFixed(2) * 10) / 10;\n } while (--steps > 0);\n }\n newScale = MathClamp(newScale, MIN_SCALE, MAX_SCALE);\n this.#setScale(newScale, { noScroll: false, drawingDelay, origin });\n }\n\n /**\n * Increase the current zoom level one, or more, times.\n * @param {ChangeScaleOptions} [options]\n */\n increaseScale(options = {}) {\n this.updateScale({ ...options, steps: options.steps ?? 1 });\n }\n\n /**\n * Decrease the current zoom level one, or more, times.\n * @param {ChangeScaleOptions} [options]\n */\n decreaseScale(options = {}) {\n this.updateScale({ ...options, steps: -(options.steps ?? 1) });\n }\n\n #updateContainerHeightCss(height = this.container.clientHeight) {\n if (height !== this.#previousContainerHeight) {\n this.#previousContainerHeight = height;\n docStyle.setProperty(\"--viewer-container-height\", `${height}px`);\n }\n }\n\n #resizeObserverCallback(entries) {\n for (const entry of entries) {\n if (entry.target === this.container) {\n this.#updateContainerHeightCss(\n Math.floor(entry.borderBoxSize[0].blockSize)\n );\n this.#containerTopLeft = null;\n break;\n }\n }\n }\n\n get containerTopLeft() {\n return (this.#containerTopLeft ||= [\n this.container.offsetTop,\n this.container.offsetLeft,\n ]);\n }\n\n #cleanupTimeouts() {\n if (this.#scaleTimeoutId !== null) {\n clearTimeout(this.#scaleTimeoutId);\n this.#scaleTimeoutId = null;\n }\n if (this.#scrollTimeoutId !== null) {\n clearTimeout(this.#scrollTimeoutId);\n this.#scrollTimeoutId = null;\n }\n }\n\n #cleanupSwitchAnnotationEditorMode() {\n this.#switchAnnotationEditorModeAC?.abort();\n this.#switchAnnotationEditorModeAC = null;\n\n if (this.#switchAnnotationEditorModeTimeoutId !== null) {\n clearTimeout(this.#switchAnnotationEditorModeTimeoutId);\n this.#switchAnnotationEditorModeTimeoutId = null;\n }\n }\n\n #preloadEditingData(mode) {\n switch (mode) {\n case AnnotationEditorType.STAMP:\n this.#mlManager?.loadModel(\"altText\");\n break;\n case AnnotationEditorType.SIGNATURE:\n // Start to load the signature data.\n this.#signatureManager?.loadSignatures();\n break;\n }\n }\n\n get annotationEditorMode() {\n return this.#annotationEditorUIManager\n ? this.#annotationEditorMode\n : AnnotationEditorType.DISABLE;\n }\n\n /**\n * @typedef {Object} AnnotationEditorModeOptions\n * @property {number} mode - The editor mode (none, FreeText, ink, ...).\n * @property {string|null} [editId] - ID of the existing annotation to edit.\n * @property {boolean} [isFromKeyboard] - True if the mode change is due to a\n * keyboard action.\n * @property {boolean} [mustEnterInEditMode] - True if the editor must enter\n * edit mode.\n * @property {boolean} [editComment] - True if the editor must enter\n * comment edit mode.\n */\n\n /**\n * @param {AnnotationEditorModeOptions} options\n */\n set annotationEditorMode({\n mode,\n editId = null,\n isFromKeyboard = false,\n mustEnterInEditMode = false,\n editComment = false,\n }) {\n if (!this.#annotationEditorUIManager) {\n throw new Error(`The AnnotationEditor is not enabled.`);\n }\n if (this.#annotationEditorMode === mode) {\n return; // The AnnotationEditor mode didn't change.\n }\n if (!isValidAnnotationEditorMode(mode)) {\n throw new Error(`Invalid AnnotationEditor mode: ${mode}`);\n }\n if (!this.pdfDocument) {\n return;\n }\n this.#preloadEditingData(mode);\n\n const { eventBus, pdfDocument } = this;\n const updater = async () => {\n this.#cleanupSwitchAnnotationEditorMode();\n this.#annotationEditorMode = mode;\n await this.#annotationEditorUIManager.updateMode(\n mode,\n editId,\n isFromKeyboard,\n mustEnterInEditMode,\n editComment\n );\n if (\n mode !== this.#annotationEditorMode ||\n pdfDocument !== this.pdfDocument\n ) {\n // Since `updateMode` is async, the active mode could have changed.\n return;\n }\n eventBus.dispatch(\"annotationeditormodechanged\", {\n source: this,\n mode,\n });\n };\n\n if (\n mode === AnnotationEditorType.NONE ||\n this.#annotationEditorMode === AnnotationEditorType.NONE\n ) {\n const isEditing = mode !== AnnotationEditorType.NONE;\n if (!isEditing) {\n this.pdfDocument.annotationStorage.resetModifiedIds();\n }\n // We need to cleanup whatever pages being rendered.\n this.cleanup();\n for (const pageView of this._pages) {\n pageView.toggleEditingMode(isEditing);\n }\n // We must call #switchToEditAnnotationMode unconditionally to ensure that\n // page is rendered if it's useful or not.\n const idsToRefresh = this.#switchToEditAnnotationMode();\n if (isEditing && idsToRefresh) {\n // We're editing so we must switch to editing mode when the rendering is\n // done.\n this.#cleanupSwitchAnnotationEditorMode();\n this.#switchAnnotationEditorModeAC = new AbortController();\n const signal = AbortSignal.any([\n this.#eventAbortController.signal,\n this.#switchAnnotationEditorModeAC.signal,\n ]);\n\n eventBus._on(\n \"pagerendered\",\n ({ pageNumber }) => {\n idsToRefresh.delete(pageNumber);\n if (idsToRefresh.size === 0) {\n this.#switchAnnotationEditorModeTimeoutId = setTimeout(\n updater,\n 0\n );\n }\n },\n { signal }\n );\n return;\n }\n }\n updater();\n }\n\n refresh(noUpdate = false, updateArgs = Object.create(null)) {\n if (!this.pdfDocument) {\n return;\n }\n for (const pageView of this._pages) {\n pageView.update(updateArgs);\n }\n this.#cleanupTimeouts();\n\n if (!noUpdate) {\n this.update();\n }\n }\n}\n\nexport { PagesCountLimit, PDFPageViewBuffer, PDFViewer };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ScrollMode, SpreadMode } from \"./ui_utils.js\";\nimport { PDFViewer } from \"./pdf_viewer.js\";\n\nclass PDFSinglePageViewer extends PDFViewer {\n _resetView() {\n super._resetView();\n this._scrollMode = ScrollMode.PAGE;\n this._spreadMode = SpreadMode.NONE;\n }\n\n // eslint-disable-next-line accessor-pairs\n set scrollMode(mode) {}\n\n _updateScrollMode() {}\n\n // eslint-disable-next-line accessor-pairs\n set spreadMode(mode) {}\n\n _updateSpreadMode() {}\n}\n\nexport { PDFSinglePageViewer };\n","/* Copyright 2014 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { FindState, PDFFindController } from \"./pdf_find_controller.js\";\nimport {\n LinkTarget,\n PDFLinkService,\n SimpleLinkService,\n} from \"./pdf_link_service.js\";\nimport {\n parseQueryString,\n ProgressBar,\n RenderingStates,\n ScrollMode,\n SpreadMode,\n} from \"./ui_utils.js\";\nimport { AnnotationLayerBuilder } from \"./annotation_layer_builder.js\";\nimport { DownloadManager } from \"./download_manager.js\";\nimport { EventBus } from \"./event_utils.js\";\nimport { GenericL10n } from \"./genericl10n.js\";\nimport { PDFHistory } from \"./pdf_history.js\";\nimport { PDFPageView } from \"./pdf_page_view.js\";\nimport { PDFScriptingManager } from \"./pdf_scripting_manager.component.js\";\nimport { PDFSinglePageViewer } from \"./pdf_single_page_viewer.js\";\nimport { PDFViewer } from \"./pdf_viewer.js\";\nimport { StructTreeLayerBuilder } from \"./struct_tree_layer_builder.js\";\nimport { TextLayerBuilder } from \"./text_layer_builder.js\";\nimport { XfaLayerBuilder } from \"./xfa_layer_builder.js\";\n\nglobalThis.pdfjsViewer = {\n AnnotationLayerBuilder,\n DownloadManager,\n EventBus,\n FindState,\n GenericL10n,\n LinkTarget,\n parseQueryString,\n PDFFindController,\n PDFHistory,\n PDFLinkService,\n PDFPageView,\n PDFScriptingManager,\n PDFSinglePageViewer,\n PDFViewer,\n ProgressBar,\n RenderingStates,\n ScrollMode,\n SimpleLinkService,\n SpreadMode,\n StructTreeLayerBuilder,\n TextLayerBuilder,\n XfaLayerBuilder,\n};\n\nexport {\n AnnotationLayerBuilder,\n DownloadManager,\n EventBus,\n FindState,\n GenericL10n,\n LinkTarget,\n parseQueryString,\n PDFFindController,\n PDFHistory,\n PDFLinkService,\n PDFPageView,\n PDFScriptingManager,\n PDFSinglePageViewer,\n PDFViewer,\n 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new file mode 100644
index 00000000..20679c3d
--- /dev/null
+++ b/public/pdfjs-viewer/sign-viewer.html
@@ -0,0 +1,353 @@
+
+
+
+
+
+
+ PDF Signer - Bento PDF
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/public/pdfjs-viewer/standard_fonts/FoxitDingbats.pfb b/public/pdfjs-viewer/standard_fonts/FoxitDingbats.pfb
new file mode 100644
index 00000000..30d52963
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diff --git a/public/pdfjs-viewer/standard_fonts/FoxitFixed.pfb b/public/pdfjs-viewer/standard_fonts/FoxitFixed.pfb
new file mode 100644
index 00000000..f12dcbce
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diff --git a/public/pdfjs-viewer/standard_fonts/FoxitFixedBold.pfb b/public/pdfjs-viewer/standard_fonts/FoxitFixedBold.pfb
new file mode 100644
index 00000000..cf8e24ae
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diff --git a/public/pdfjs-viewer/standard_fonts/FoxitFixedBoldItalic.pfb b/public/pdfjs-viewer/standard_fonts/FoxitFixedBoldItalic.pfb
new file mode 100644
index 00000000..d2880017
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diff --git a/public/pdfjs-viewer/standard_fonts/FoxitFixedItalic.pfb b/public/pdfjs-viewer/standard_fonts/FoxitFixedItalic.pfb
new file mode 100644
index 00000000..d71697d4
Binary files /dev/null and b/public/pdfjs-viewer/standard_fonts/FoxitFixedItalic.pfb differ
diff --git a/public/pdfjs-viewer/standard_fonts/FoxitSerif.pfb b/public/pdfjs-viewer/standard_fonts/FoxitSerif.pfb
new file mode 100644
index 00000000..3fa682ef
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diff --git a/public/pdfjs-viewer/standard_fonts/FoxitSerifBold.pfb b/public/pdfjs-viewer/standard_fonts/FoxitSerifBold.pfb
new file mode 100644
index 00000000..ff7c6dde
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diff --git a/public/pdfjs-viewer/standard_fonts/FoxitSerifBoldItalic.pfb b/public/pdfjs-viewer/standard_fonts/FoxitSerifBoldItalic.pfb
new file mode 100644
index 00000000..460231fb
Binary files /dev/null and b/public/pdfjs-viewer/standard_fonts/FoxitSerifBoldItalic.pfb differ
diff --git a/public/pdfjs-viewer/standard_fonts/FoxitSerifItalic.pfb b/public/pdfjs-viewer/standard_fonts/FoxitSerifItalic.pfb
new file mode 100644
index 00000000..d03a7c78
Binary files /dev/null and b/public/pdfjs-viewer/standard_fonts/FoxitSerifItalic.pfb differ
diff --git a/public/pdfjs-viewer/standard_fonts/FoxitSymbol.pfb b/public/pdfjs-viewer/standard_fonts/FoxitSymbol.pfb
new file mode 100644
index 00000000..c8f9bca7
Binary files /dev/null and b/public/pdfjs-viewer/standard_fonts/FoxitSymbol.pfb differ
diff --git a/public/pdfjs-viewer/standard_fonts/LICENSE_FOXIT b/public/pdfjs-viewer/standard_fonts/LICENSE_FOXIT
new file mode 100644
index 00000000..8b4ed6dd
--- /dev/null
+++ b/public/pdfjs-viewer/standard_fonts/LICENSE_FOXIT
@@ -0,0 +1,27 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/public/pdfjs-viewer/standard_fonts/LICENSE_LIBERATION b/public/pdfjs-viewer/standard_fonts/LICENSE_LIBERATION
new file mode 100644
index 00000000..aba73e8a
--- /dev/null
+++ b/public/pdfjs-viewer/standard_fonts/LICENSE_LIBERATION
@@ -0,0 +1,102 @@
+Digitized data copyright (c) 2010 Google Corporation
+ with Reserved Font Arimo, Tinos and Cousine.
+Copyright (c) 2012 Red Hat, Inc.
+ with Reserved Font Name Liberation.
+
+This Font Software is licensed under the SIL Open Font License,
+Version 1.1.
+
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+
+PREAMBLE The goals of the Open Font License (OFL) are to stimulate
+worldwide development of collaborative font projects, to support the font
+creation efforts of academic and linguistic communities, and to provide
+a free and open framework in which fonts may be shared and improved in
+partnership with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves.
+The fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply to
+any document created using the fonts or their derivatives.
+
+
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such.
+This may include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components
+as distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting ? in part or in whole ?
+any of the components of the Original Version, by changing formats or
+by porting the Font Software to a new environment.
+
+"Author" refers to any designer, engineer, programmer, technical writer
+or other person who contributed to the Font Software.
+
+
+PERMISSION & CONDITIONS
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,in
+ Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+ redistributed and/or sold with any software, provided that each copy
+ contains the above copyright notice and this license. These can be
+ included either as stand-alone text files, human-readable headers or
+ in the appropriate machine-readable metadata fields within text or
+ binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+ Name(s) unless explicit written permission is granted by the
+ corresponding Copyright Holder. This restriction only applies to the
+ primary font name as presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+ Software shall not be used to promote, endorse or advertise any
+ Modified Version, except to acknowledge the contribution(s) of the
+ Copyright Holder(s) and the Author(s) or with their explicit written
+ permission.
+
+5) The Font Software, modified or unmodified, in part or in whole, must
+ be distributed entirely under this license, and must not be distributed
+ under any other license. The requirement for fonts to remain under
+ this license does not apply to any document created using the Font
+ Software.
+
+
+
+TERMINATION
+This license becomes null and void if any of the above conditions are not met.
+
+
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER
+DEALINGS IN THE FONT SOFTWARE.
+
diff --git a/public/pdfjs-viewer/standard_fonts/LiberationSans-Bold.ttf b/public/pdfjs-viewer/standard_fonts/LiberationSans-Bold.ttf
new file mode 100644
index 00000000..ee237154
Binary files /dev/null and b/public/pdfjs-viewer/standard_fonts/LiberationSans-Bold.ttf differ
diff --git a/public/pdfjs-viewer/standard_fonts/LiberationSans-BoldItalic.ttf b/public/pdfjs-viewer/standard_fonts/LiberationSans-BoldItalic.ttf
new file mode 100644
index 00000000..42b5717d
Binary files /dev/null and b/public/pdfjs-viewer/standard_fonts/LiberationSans-BoldItalic.ttf differ
diff --git a/public/pdfjs-viewer/standard_fonts/LiberationSans-Italic.ttf b/public/pdfjs-viewer/standard_fonts/LiberationSans-Italic.ttf
new file mode 100644
index 00000000..0cf61263
Binary files /dev/null and b/public/pdfjs-viewer/standard_fonts/LiberationSans-Italic.ttf differ
diff --git a/public/pdfjs-viewer/standard_fonts/LiberationSans-Regular.ttf b/public/pdfjs-viewer/standard_fonts/LiberationSans-Regular.ttf
new file mode 100644
index 00000000..366d1489
Binary files /dev/null and b/public/pdfjs-viewer/standard_fonts/LiberationSans-Regular.ttf differ
diff --git a/public/pdfjs-viewer/viewer.css b/public/pdfjs-viewer/viewer.css
new file mode 100644
index 00000000..a4b787f7
--- /dev/null
+++ b/public/pdfjs-viewer/viewer.css
@@ -0,0 +1,7444 @@
+/* Copyright 2014 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+.messageBar{
+ --closing-button-icon:url(images/messageBar_closingButton.svg);
+ --message-bar-close-button-color:var(--text-primary-color);
+ --message-bar-close-button-color-hover:var(--text-primary-color);
+ --message-bar-close-button-border-radius:4px;
+ --message-bar-close-button-border:none;
+ --csstools-light-dark-toggle--31:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.14);
+ --message-bar-close-button-hover-bg-color:var(--csstools-light-dark-toggle--31, rgb(21 20 26 / 0.14));
+ --csstools-light-dark-toggle--32:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.21);
+ --message-bar-close-button-active-bg-color:var(--csstools-light-dark-toggle--32, rgb(21 20 26 / 0.21));
+ --csstools-light-dark-toggle--33:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.07);
+ --message-bar-close-button-focus-bg-color:var(--csstools-light-dark-toggle--33, rgb(21 20 26 / 0.07));
+}
+
+@supports (color: light-dark(red, red)) and (color: rgb(0 0 0 / 0)){
+.messageBar{
+ --message-bar-close-button-hover-bg-color:light-dark(
+ rgb(21 20 26 / 0.14),
+ rgb(251 251 254 / 0.14)
+ );
+ --message-bar-close-button-active-bg-color:light-dark(
+ rgb(21 20 26 / 0.21),
+ rgb(251 251 254 / 0.21)
+ );
+ --message-bar-close-button-focus-bg-color:light-dark(
+ rgb(21 20 26 / 0.07),
+ rgb(251 251 254 / 0.07)
+ );
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+.messageBar *{
+ --csstools-light-dark-toggle--31:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.14);
+ --message-bar-close-button-hover-bg-color:var(--csstools-light-dark-toggle--31, rgb(21 20 26 / 0.14));
+ --csstools-light-dark-toggle--32:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.21);
+ --message-bar-close-button-active-bg-color:var(--csstools-light-dark-toggle--32, rgb(21 20 26 / 0.21));
+ --csstools-light-dark-toggle--33:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.07);
+ --message-bar-close-button-focus-bg-color:var(--csstools-light-dark-toggle--33, rgb(21 20 26 / 0.07));
+ }
+}
+
+@media screen and (forced-colors: active){
+
+.messageBar{
+ --message-bar-close-button-color:ButtonText;
+ --message-bar-close-button-border:1px solid ButtonText;
+ --message-bar-close-button-hover-bg-color:ButtonText;
+ --message-bar-close-button-active-bg-color:ButtonText;
+ --message-bar-close-button-focus-bg-color:ButtonText;
+ --message-bar-close-button-color-hover:HighlightText;
+}
+ }
+
+.messageBar{
+
+ display:flex;
+ position:relative;
+ padding:8px 8px 8px 16px;
+ flex-direction:column;
+ justify-content:center;
+ align-items:center;
+ gap:8px;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+
+ border-radius:4px;
+
+ border:1px solid var(--message-bar-border-color);
+ background:var(--message-bar-bg-color);
+ color:var(--message-bar-fg-color);
+}
+
+.messageBar > div{
+ display:flex;
+ align-items:flex-start;
+ gap:8px;
+ align-self:stretch;
+ }
+
+:is(.messageBar > div)::before{
+ content:"";
+ display:inline-block;
+ width:16px;
+ height:16px;
+ -webkit-mask-image:var(--message-bar-icon);
+ mask-image:var(--message-bar-icon);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ background-color:var(--message-bar-icon-color);
+ flex-shrink:0;
+ }
+
+.messageBar button{
+ cursor:pointer;
+ }
+
+:is(.messageBar button):focus-visible{
+ outline:var(--focus-ring-outline);
+ outline-offset:2px;
+ }
+
+.messageBar .closeButton{
+ width:32px;
+ height:32px;
+ background:none;
+ border-radius:var(--message-bar-close-button-border-radius);
+ border:var(--message-bar-close-button-border);
+
+ display:flex;
+ align-items:center;
+ justify-content:center;
+ }
+
+:is(.messageBar .closeButton)::before{
+ content:"";
+ display:inline-block;
+ width:16px;
+ height:16px;
+ -webkit-mask-image:var(--closing-button-icon);
+ mask-image:var(--closing-button-icon);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ background-color:var(--message-bar-close-button-color);
+ }
+
+:is(.messageBar .closeButton):is(:hover,:active,:focus)::before{
+ background-color:var(--message-bar-close-button-color-hover);
+ }
+
+:is(.messageBar .closeButton):hover{
+ background-color:var(--message-bar-close-button-hover-bg-color);
+ }
+
+:is(.messageBar .closeButton):active{
+ background-color:var(--message-bar-close-button-active-bg-color);
+ }
+
+:is(.messageBar .closeButton):focus{
+ background-color:var(--message-bar-close-button-focus-bg-color);
+ }
+
+:is(.messageBar .closeButton) > span{
+ display:inline-block;
+ width:0;
+ height:0;
+ overflow:hidden;
+ }
+
+#editorUndoBar{
+ --csstools-light-dark-toggle--34:var(--csstools-color-scheme--light) #fbfbfe;
+ --text-primary-color:var(--csstools-light-dark-toggle--34, #15141a);
+
+ --message-bar-icon:url(images/messageBar_info.svg);
+ --csstools-light-dark-toggle--35:var(--csstools-color-scheme--light) #73a7f3;
+ --message-bar-icon-color:var(--csstools-light-dark-toggle--35, #0060df);
+ --csstools-light-dark-toggle--36:var(--csstools-color-scheme--light) #003070;
+ --message-bar-bg-color:var(--csstools-light-dark-toggle--36, #deeafc);
+ --message-bar-fg-color:var(--text-primary-color);
+ --csstools-light-dark-toggle--37:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.08);
+ --message-bar-border-color:var(--csstools-light-dark-toggle--37, rgb(0 0 0 / 0.08));
+
+ --csstools-light-dark-toggle--38:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.08);
+
+ --undo-button-bg-color:var(--csstools-light-dark-toggle--38, rgb(21 20 26 / 0.07));
+ --csstools-light-dark-toggle--39:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.14);
+ --undo-button-bg-color-hover:var(--csstools-light-dark-toggle--39, rgb(21 20 26 / 0.14));
+ --csstools-light-dark-toggle--40:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.21);
+ --undo-button-bg-color-active:var(--csstools-light-dark-toggle--40, rgb(21 20 26 / 0.21));
+
+ --csstools-light-dark-toggle--41:var(--csstools-color-scheme--light) #0df;
+
+ --undo-button-border:1px solid var(--csstools-light-dark-toggle--41, #0060df);
+
+ --undo-button-fg-color:var(--message-bar-fg-color);
+ --undo-button-fg-color-hover:var(--undo-button-fg-color);
+ --undo-button-fg-color-active:var(--undo-button-fg-color);
+}
+
+@supports (color: light-dark(red, red)){
+#editorUndoBar{
+ --text-primary-color:light-dark(#15141a, #fbfbfe);
+ --message-bar-icon-color:light-dark(#0060df, #73a7f3);
+ --message-bar-bg-color:light-dark(#deeafc, #003070);
+}
+}
+
+@supports (color: light-dark(red, red)) and (color: rgb(0 0 0 / 0)){
+#editorUndoBar{
+ --message-bar-border-color:light-dark(
+ rgb(0 0 0 / 0.08),
+ rgb(255 255 255 / 0.08)
+ );
+
+ --undo-button-bg-color:light-dark(
+ rgb(21 20 26 / 0.07),
+ rgb(255 255 255 / 0.08)
+ );
+ --undo-button-bg-color-hover:light-dark(
+ rgb(21 20 26 / 0.14),
+ rgb(255 255 255 / 0.14)
+ );
+ --undo-button-bg-color-active:light-dark(
+ rgb(21 20 26 / 0.21),
+ rgb(255 255 255 / 0.21)
+ );
+}
+}
+
+@supports (color: light-dark(red, red)){
+#editorUndoBar{
+
+ --undo-button-border:1px solid light-dark(#0060df, #0df);
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+#editorUndoBar *{
+ --csstools-light-dark-toggle--34:var(--csstools-color-scheme--light) #fbfbfe;
+ --text-primary-color:var(--csstools-light-dark-toggle--34, #15141a);
+ --csstools-light-dark-toggle--35:var(--csstools-color-scheme--light) #73a7f3;
+ --message-bar-icon-color:var(--csstools-light-dark-toggle--35, #0060df);
+ --csstools-light-dark-toggle--36:var(--csstools-color-scheme--light) #003070;
+ --message-bar-bg-color:var(--csstools-light-dark-toggle--36, #deeafc);
+ --csstools-light-dark-toggle--37:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.08);
+ --message-bar-border-color:var(--csstools-light-dark-toggle--37, rgb(0 0 0 / 0.08));
+
+ --csstools-light-dark-toggle--38:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.08);
+
+ --undo-button-bg-color:var(--csstools-light-dark-toggle--38, rgb(21 20 26 / 0.07));
+ --csstools-light-dark-toggle--39:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.14);
+ --undo-button-bg-color-hover:var(--csstools-light-dark-toggle--39, rgb(21 20 26 / 0.14));
+ --csstools-light-dark-toggle--40:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.21);
+ --undo-button-bg-color-active:var(--csstools-light-dark-toggle--40, rgb(21 20 26 / 0.21));
+
+ --csstools-light-dark-toggle--41:var(--csstools-color-scheme--light) #0df;
+
+ --undo-button-border:1px solid var(--csstools-light-dark-toggle--41, #0060df);
+ }
+}
+
+@media screen and (forced-colors: active){
+
+#editorUndoBar{
+ --text-primary-color:CanvasText;
+
+ --message-bar-icon-color:CanvasText;
+ --message-bar-bg-color:Canvas;
+ --message-bar-border-color:CanvasText;
+
+ --undo-button-bg-color:ButtonText;
+ --undo-button-bg-color-hover:SelectedItem;
+ --undo-button-bg-color-active:SelectedItem;
+
+ --undo-button-fg-color:ButtonFace;
+ --undo-button-fg-color-hover:SelectedItemText;
+ --undo-button-fg-color-active:SelectedItemText;
+
+ --undo-button-border:none;
+}
+ }
+
+#editorUndoBar{
+
+ position:fixed;
+ top:50px;
+ left:50%;
+ transform:translateX(-50%);
+ z-index:10;
+
+ padding-block:8px;
+ padding-inline:16px 8px;
+
+ font:menu;
+ font-size:15px;
+
+ cursor:default;
+}
+
+#editorUndoBar button{
+ cursor:pointer;
+ }
+
+#editorUndoBar #editorUndoBarUndoButton{
+ border-radius:4px;
+ font-weight:590;
+ line-height:19.5px;
+ color:var(--undo-button-fg-color);
+ border:var(--undo-button-border);
+ padding:4px 16px;
+ margin-inline-start:8px;
+ height:32px;
+
+ background-color:var(--undo-button-bg-color);
+ }
+
+:is(#editorUndoBar #editorUndoBarUndoButton):hover{
+ background-color:var(--undo-button-bg-color-hover);
+ color:var(--undo-button-fg-color-hover);
+ }
+
+:is(#editorUndoBar #editorUndoBarUndoButton):active{
+ background-color:var(--undo-button-bg-color-active);
+ color:var(--undo-button-fg-color-active);
+ }
+
+#editorUndoBar > div{
+ align-items:center;
+ }
+
+.dialog{
+ --csstools-light-dark-toggle--42:var(--csstools-color-scheme--light) #1c1b22;
+ --dialog-bg-color:var(--csstools-light-dark-toggle--42, white);
+ --csstools-light-dark-toggle--43:var(--csstools-color-scheme--light) #1c1b22;
+ --dialog-border-color:var(--csstools-light-dark-toggle--43, white);
+ --csstools-light-dark-toggle--44:var(--csstools-color-scheme--light) #15141a;
+ --dialog-shadow:0 2px 14px 0 var(--csstools-light-dark-toggle--44, rgb(58 57 68 / 0.2));
+ --csstools-light-dark-toggle--45:var(--csstools-color-scheme--light) #fbfbfe;
+ --text-primary-color:var(--csstools-light-dark-toggle--45, #15141a);
+ --csstools-light-dark-toggle--46:var(--csstools-color-scheme--light) #cfcfd8;
+ --text-secondary-color:var(--csstools-light-dark-toggle--46, #5b5b66);
+ --hover-filter:brightness(0.9);
+ --csstools-light-dark-toggle--47:var(--csstools-color-scheme--light) #0df;
+ --link-fg-color:var(--csstools-light-dark-toggle--47, #0060df);
+ --csstools-light-dark-toggle--48:var(--csstools-color-scheme--light) #80ebff;
+ --link-hover-fg-color:var(--csstools-light-dark-toggle--48, #0250bb);
+ --csstools-light-dark-toggle--49:var(--csstools-color-scheme--light) #52525e;
+ --separator-color:var(--csstools-light-dark-toggle--49, #f0f0f4);
+
+ --textarea-border-color:#8f8f9d;
+ --csstools-light-dark-toggle--50:var(--csstools-color-scheme--light) #42414d;
+ --textarea-bg-color:var(--csstools-light-dark-toggle--50, white);
+ --textarea-fg-color:var(--text-secondary-color);
+
+ --csstools-light-dark-toggle--51:var(--csstools-color-scheme--light) #2b2a33;
+
+ --radio-bg-color:var(--csstools-light-dark-toggle--51, #f0f0f4);
+ --csstools-light-dark-toggle--52:var(--csstools-color-scheme--light) #15141a;
+ --radio-checked-bg-color:var(--csstools-light-dark-toggle--52, #fbfbfe);
+ --radio-border-color:#8f8f9d;
+ --csstools-light-dark-toggle--53:var(--csstools-color-scheme--light) #0df;
+ --radio-checked-border-color:var(--csstools-light-dark-toggle--53, #0060df);
+
+ --csstools-light-dark-toggle--54:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.07);
+
+ --button-secondary-bg-color:var(--csstools-light-dark-toggle--54, rgb(21 20 26 / 0.07));
+ --button-secondary-fg-color:var(--text-primary-color);
+ --button-secondary-border-color:var(--button-secondary-bg-color);
+ --csstools-light-dark-toggle--55:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.21);
+ --button-secondary-active-bg-color:var(--csstools-light-dark-toggle--55, rgb(21 20 26 / 0.21));
+ --button-secondary-active-fg-color:var(--button-secondary-fg-color);
+ --button-secondary-active-border-color:var(--button-secondary-bg-color);
+ --csstools-light-dark-toggle--56:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.14);
+ --button-secondary-hover-bg-color:var(--csstools-light-dark-toggle--56, rgb(21 20 26 / 0.14));
+ --button-secondary-hover-fg-color:var(--button-secondary-fg-color);
+ --button-secondary-hover-border-color:var(--button-secondary-hover-bg-color);
+ --button-secondary-disabled-bg-color:var(--button-secondary-bg-color);
+ --button-secondary-disabled-border-color:var(
+ --button-secondary-border-color
+ );
+ --button-secondary-disabled-fg-color:var(--button-secondary-fg-color);
+
+ --csstools-light-dark-toggle--57:var(--csstools-color-scheme--light) #0df;
+
+ --button-primary-bg-color:var(--csstools-light-dark-toggle--57, #0060df);
+ --csstools-light-dark-toggle--58:var(--csstools-color-scheme--light) #15141a;
+ --button-primary-fg-color:var(--csstools-light-dark-toggle--58, #fbfbfe);
+ --button-primary-border-color:var(--button-primary-bg-color);
+ --csstools-light-dark-toggle--59:var(--csstools-color-scheme--light) #aaf2ff;
+ --button-primary-active-bg-color:var(--csstools-light-dark-toggle--59, #054096);
+ --button-primary-active-fg-color:var(--button-primary-fg-color);
+ --button-primary-active-border-color:var(--button-primary-active-bg-color);
+ --csstools-light-dark-toggle--60:var(--csstools-color-scheme--light) #80ebff;
+ --button-primary-hover-bg-color:var(--csstools-light-dark-toggle--60, #0250bb);
+ --button-primary-hover-fg-color:var(--button-primary-fg-color);
+ --button-primary-hover-border-color:var(--button-primary-hover-bg-color);
+ --button-primary-disabled-bg-color:var(--button-primary-bg-color);
+ --button-primary-disabled-border-color:var(--button-primary-border-color);
+ --button-primary-disabled-fg-color:var(--button-primary-fg-color);
+ --button-disabled-opacity:0.4;
+
+ --csstools-light-dark-toggle--61:var(--csstools-color-scheme--light) #42414d;
+
+ --input-text-bg-color:var(--csstools-light-dark-toggle--61, white);
+ --input-text-fg-color:var(--text-primary-color);
+}
+
+@supports (color: light-dark(red, red)){
+.dialog{
+ --dialog-bg-color:light-dark(white, #1c1b22);
+ --dialog-border-color:light-dark(white, #1c1b22);
+}
+}
+
+@supports (color: light-dark(red, red)) and (color: rgb(0 0 0 / 0)){
+.dialog{
+ --dialog-shadow:0 2px 14px 0 light-dark(rgb(58 57 68 / 0.2), #15141a);
+}
+}
+
+@supports (color: light-dark(red, red)){
+.dialog{
+ --text-primary-color:light-dark(#15141a, #fbfbfe);
+ --text-secondary-color:light-dark(#5b5b66, #cfcfd8);
+ --link-fg-color:light-dark(#0060df, #0df);
+ --link-hover-fg-color:light-dark(#0250bb, #80ebff);
+ --separator-color:light-dark(#f0f0f4, #52525e);
+ --textarea-bg-color:light-dark(white, #42414d);
+
+ --radio-bg-color:light-dark(#f0f0f4, #2b2a33);
+ --radio-checked-bg-color:light-dark(#fbfbfe, #15141a);
+ --radio-checked-border-color:light-dark(#0060df, #0df);
+}
+}
+
+@supports (color: light-dark(red, red)) and (color: rgb(0 0 0 / 0)){
+.dialog{
+
+ --button-secondary-bg-color:light-dark(
+ rgb(21 20 26 / 0.07),
+ rgb(251 251 254 / 0.07)
+ );
+ --button-secondary-active-bg-color:light-dark(
+ rgb(21 20 26 / 0.21),
+ rgb(251 251 254 / 0.21)
+ );
+ --button-secondary-hover-bg-color:light-dark(
+ rgb(21 20 26 / 0.14),
+ rgb(251 251 254 / 0.14)
+ );
+}
+}
+
+@supports (color: light-dark(red, red)){
+.dialog{
+
+ --button-primary-bg-color:light-dark(#0060df, #0df);
+ --button-primary-fg-color:light-dark(#fbfbfe, #15141a);
+ --button-primary-active-bg-color:light-dark(#054096, #aaf2ff);
+ --button-primary-hover-bg-color:light-dark(#0250bb, #80ebff);
+
+ --input-text-bg-color:light-dark(white, #42414d);
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+.dialog *{
+ --csstools-light-dark-toggle--42:var(--csstools-color-scheme--light) #1c1b22;
+ --dialog-bg-color:var(--csstools-light-dark-toggle--42, white);
+ --csstools-light-dark-toggle--43:var(--csstools-color-scheme--light) #1c1b22;
+ --dialog-border-color:var(--csstools-light-dark-toggle--43, white);
+ --csstools-light-dark-toggle--44:var(--csstools-color-scheme--light) #15141a;
+ --dialog-shadow:0 2px 14px 0 var(--csstools-light-dark-toggle--44, rgb(58 57 68 / 0.2));
+ --csstools-light-dark-toggle--45:var(--csstools-color-scheme--light) #fbfbfe;
+ --text-primary-color:var(--csstools-light-dark-toggle--45, #15141a);
+ --csstools-light-dark-toggle--46:var(--csstools-color-scheme--light) #cfcfd8;
+ --text-secondary-color:var(--csstools-light-dark-toggle--46, #5b5b66);
+ --csstools-light-dark-toggle--47:var(--csstools-color-scheme--light) #0df;
+ --link-fg-color:var(--csstools-light-dark-toggle--47, #0060df);
+ --csstools-light-dark-toggle--48:var(--csstools-color-scheme--light) #80ebff;
+ --link-hover-fg-color:var(--csstools-light-dark-toggle--48, #0250bb);
+ --csstools-light-dark-toggle--49:var(--csstools-color-scheme--light) #52525e;
+ --separator-color:var(--csstools-light-dark-toggle--49, #f0f0f4);
+ --csstools-light-dark-toggle--50:var(--csstools-color-scheme--light) #42414d;
+ --textarea-bg-color:var(--csstools-light-dark-toggle--50, white);
+
+ --csstools-light-dark-toggle--51:var(--csstools-color-scheme--light) #2b2a33;
+
+ --radio-bg-color:var(--csstools-light-dark-toggle--51, #f0f0f4);
+ --csstools-light-dark-toggle--52:var(--csstools-color-scheme--light) #15141a;
+ --radio-checked-bg-color:var(--csstools-light-dark-toggle--52, #fbfbfe);
+ --csstools-light-dark-toggle--53:var(--csstools-color-scheme--light) #0df;
+ --radio-checked-border-color:var(--csstools-light-dark-toggle--53, #0060df);
+
+ --csstools-light-dark-toggle--54:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.07);
+
+ --button-secondary-bg-color:var(--csstools-light-dark-toggle--54, rgb(21 20 26 / 0.07));
+ --csstools-light-dark-toggle--55:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.21);
+ --button-secondary-active-bg-color:var(--csstools-light-dark-toggle--55, rgb(21 20 26 / 0.21));
+ --csstools-light-dark-toggle--56:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.14);
+ --button-secondary-hover-bg-color:var(--csstools-light-dark-toggle--56, rgb(21 20 26 / 0.14));
+
+ --csstools-light-dark-toggle--57:var(--csstools-color-scheme--light) #0df;
+
+ --button-primary-bg-color:var(--csstools-light-dark-toggle--57, #0060df);
+ --csstools-light-dark-toggle--58:var(--csstools-color-scheme--light) #15141a;
+ --button-primary-fg-color:var(--csstools-light-dark-toggle--58, #fbfbfe);
+ --csstools-light-dark-toggle--59:var(--csstools-color-scheme--light) #aaf2ff;
+ --button-primary-active-bg-color:var(--csstools-light-dark-toggle--59, #054096);
+ --csstools-light-dark-toggle--60:var(--csstools-color-scheme--light) #80ebff;
+ --button-primary-hover-bg-color:var(--csstools-light-dark-toggle--60, #0250bb);
+
+ --csstools-light-dark-toggle--61:var(--csstools-color-scheme--light) #42414d;
+
+ --input-text-bg-color:var(--csstools-light-dark-toggle--61, white);
+ }
+}
+
+@media (prefers-color-scheme: dark){
+
+.dialog{
+ --hover-filter:brightness(1.4);
+ --button-disabled-opacity:0.6;
+}
+ }
+
+@media screen and (forced-colors: active){
+
+.dialog{
+ --dialog-bg-color:Canvas;
+ --dialog-border-color:CanvasText;
+ --dialog-shadow:none;
+ --text-primary-color:CanvasText;
+ --text-secondary-color:CanvasText;
+ --hover-filter:none;
+ --link-fg-color:LinkText;
+ --link-hover-fg-color:LinkText;
+ --separator-color:CanvasText;
+
+ --textarea-border-color:ButtonBorder;
+ --textarea-bg-color:Field;
+ --textarea-fg-color:ButtonText;
+
+ --radio-bg-color:ButtonFace;
+ --radio-checked-bg-color:ButtonFace;
+ --radio-border-color:ButtonText;
+ --radio-checked-border-color:ButtonText;
+
+ --button-secondary-bg-color:ButtonFace;
+ --button-secondary-fg-color:ButtonText;
+ --button-secondary-border-color:ButtonText;
+ --button-secondary-active-bg-color:HighlightText;
+ --button-secondary-active-fg-color:SelectedItem;
+ --button-secondary-active-border-color:ButtonText;
+ --button-secondary-hover-bg-color:HighlightText;
+ --button-secondary-hover-fg-color:SelectedItem;
+ --button-secondary-hover-border-color:SelectedItem;
+ --button-secondary-disabled-fg-color:GrayText;
+ --button-secondary-disabled-border-color:GrayText;
+
+ --button-primary-bg-color:ButtonText;
+ --button-primary-fg-color:ButtonFace;
+ --button-primary-border-color:ButtonText;
+ --button-primary-active-bg-color:SelectedItem;
+ --button-primary-active-fg-color:HighlightText;
+ --button-primary-active-border-color:ButtonText;
+ --button-primary-hover-bg-color:SelectedItem;
+ --button-primary-hover-fg-color:HighlightText;
+ --button-primary-hover-border-color:SelectedItem;
+ --button-primary-disabled-bg-color:GrayText;
+ --button-primary-disabled-fg-color:ButtonFace;
+ --button-primary-disabled-border-color:GrayText;
+ --button-disabled-opacity:1;
+
+ --input-text-bg-color:Field;
+ --input-text-fg-color:FieldText;
+}
+ }
+
+.dialog{
+
+ font:message-box;
+ font-size:13px;
+ font-weight:400;
+ line-height:150%;
+ border-radius:4px;
+ padding:12px 16px;
+ border:1px solid var(--dialog-border-color);
+ background:var(--dialog-bg-color);
+ color:var(--text-primary-color);
+ box-shadow:var(--dialog-shadow);
+}
+
+:is(.dialog .mainContainer) *:focus-visible{
+ outline:var(--focus-ring-outline);
+ outline-offset:2px;
+ }
+
+:is(.dialog .mainContainer) .title{
+ display:flex;
+ width:auto;
+ flex-direction:column;
+ justify-content:flex-end;
+ align-items:flex-start;
+ gap:12px;
+ }
+
+:is(:is(.dialog .mainContainer) .title) > span{
+ font-size:13px;
+ font-style:normal;
+ font-weight:590;
+ line-height:150%;
+ }
+
+:is(.dialog .mainContainer) .dialogSeparator{
+ width:100%;
+ height:0;
+ margin-block:4px;
+ border-top:1px solid var(--separator-color);
+ border-bottom:none;
+ }
+
+:is(.dialog .mainContainer) .dialogButtonsGroup{
+ display:flex;
+ gap:12px;
+ align-self:flex-end;
+ }
+
+:is(.dialog .mainContainer) .radio{
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:4px;
+ }
+
+:is(:is(.dialog .mainContainer) .radio) > .radioButton{
+ display:flex;
+ gap:8px;
+ align-self:stretch;
+ align-items:center;
+ }
+
+:is(:is(:is(.dialog .mainContainer) .radio) > .radioButton) input{
+ -webkit-appearance:none;
+ -moz-appearance:none;
+ appearance:none;
+ box-sizing:border-box;
+ width:16px;
+ height:16px;
+ border-radius:50%;
+ background-color:var(--radio-bg-color);
+ border:1px solid var(--radio-border-color);
+ }
+
+:is(:is(:is(:is(.dialog .mainContainer) .radio) > .radioButton) input):hover{
+ filter:var(--hover-filter);
+ }
+
+:is(:is(:is(:is(.dialog .mainContainer) .radio) > .radioButton) input):checked{
+ background-color:var(--radio-checked-bg-color);
+ border:4px solid var(--radio-checked-border-color);
+ }
+
+:is(:is(.dialog .mainContainer) .radio) > .radioLabel{
+ display:flex;
+ padding-inline-start:24px;
+ align-items:flex-start;
+ gap:10px;
+ align-self:stretch;
+ }
+
+:is(:is(:is(.dialog .mainContainer) .radio) > .radioLabel) > span{
+ flex:1 0 0;
+ font-size:11px;
+ color:var(--text-secondary-color);
+ }
+
+:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton)){
+ border-radius:4px;
+ border:1px solid;
+ font:menu;
+ font-weight:590;
+ font-size:13px;
+ padding:4px 16px;
+ width:auto;
+ height:32px;
+ }
+
+:is(:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton))):hover{
+ cursor:pointer;
+ filter:var(--hover-filter);
+ }
+
+:is(:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton))) > span{
+ color:inherit;
+ font:inherit;
+ }
+
+.secondaryButton:is(:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton))){
+ color:var(--button-secondary-fg-color);
+ background-color:var(--button-secondary-bg-color);
+ border-color:var(--button-secondary-border-color);
+ }
+
+.secondaryButton:is(:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton))):hover{
+ color:var(--button-secondary-hover-fg-color);
+ background-color:var(--button-secondary-hover-bg-color);
+ border-color:var(--button-secondary-hover-border-color);
+ }
+
+.secondaryButton:is(:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton))):active{
+ color:var(--button-secondary-active-fg-color);
+ background-color:var(--button-secondary-active-bg-color);
+ border-color:var(--button-secondary-active-border-color);
+ }
+
+.secondaryButton:is(:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton))):disabled{
+ background-color:var(--button-secondary-disabled-bg-color);
+ border-color:var(--button-secondary-disabled-border-color);
+ color:var(--button-secondary-disabled-fg-color);
+ opacity:var(--button-disabled-opacity);
+ }
+
+.primaryButton:is(:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton))){
+ color:var(--button-primary-fg-color);
+ background-color:var(--button-primary-bg-color);
+ border-color:var(--button-primary-border-color);
+ opacity:1;
+ }
+
+.primaryButton:is(:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton))):hover{
+ color:var(--button-primary-hover-fg-color);
+ background-color:var(--button-primary-hover-bg-color);
+ border-color:var(--button-primary-hover-border-color);
+ }
+
+.primaryButton:is(:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton))):active{
+ color:var(--button-primary-active-fg-color);
+ background-color:var(--button-primary-active-bg-color);
+ border-color:var(--button-primary-active-border-color);
+ }
+
+.primaryButton:is(:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton))):disabled{
+ background-color:var(--button-primary-disabled-bg-color);
+ border-color:var(--button-primary-disabled-border-color);
+ color:var(--button-primary-disabled-fg-color);
+ opacity:var(--button-disabled-opacity);
+ }
+
+:is(:is(.dialog .mainContainer) button:not(:is(.toggle-button,.closeButton,.clearInputButton))):disabled{
+ pointer-events:none;
+ }
+
+:is(.dialog .mainContainer) a{
+ color:var(--link-fg-color);
+ }
+
+:is(:is(.dialog .mainContainer) a):hover{
+ color:var(--link-hover-fg-color);
+ }
+
+:is(.dialog .mainContainer) textarea{
+ font:inherit;
+ padding:8px;
+ resize:none;
+ margin:0;
+ box-sizing:border-box;
+ border-radius:4px;
+ border:1px solid var(--textarea-border-color);
+ background:var(--textarea-bg-color);
+ color:var(--textarea-fg-color);
+ }
+
+:is(:is(.dialog .mainContainer) textarea):focus{
+ outline-offset:0;
+ border-color:transparent;
+ }
+
+:is(:is(.dialog .mainContainer) textarea):disabled{
+ pointer-events:none;
+ opacity:0.4;
+ }
+
+:is(.dialog .mainContainer) input[type="text"]{
+ background-color:var(--input-text-bg-color);
+ color:var(--input-text-fg-color);
+ }
+
+:is(.dialog .mainContainer) .messageBar{
+ --csstools-light-dark-toggle--62:var(--csstools-color-scheme--light) #5a3100;
+ --message-bar-bg-color:var(--csstools-light-dark-toggle--62, #ffebcd);
+ --csstools-light-dark-toggle--63:var(--csstools-color-scheme--light) #fbfbfe;
+ --message-bar-fg-color:var(--csstools-light-dark-toggle--63, #15141a);
+ --csstools-light-dark-toggle--64:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.08);
+ --message-bar-border-color:var(--csstools-light-dark-toggle--64, rgb(0 0 0 / 0.08));
+ --message-bar-icon:url(images/messageBar_warning.svg);
+ --csstools-light-dark-toggle--65:var(--csstools-color-scheme--light) #e49c49;
+ --message-bar-icon-color:var(--csstools-light-dark-toggle--65, #cd411e);
+ }
+
+@supports (color: light-dark(red, red)){
+:is(.dialog .mainContainer) .messageBar{
+ --message-bar-bg-color:light-dark(#ffebcd, #5a3100);
+ --message-bar-fg-color:light-dark(#15141a, #fbfbfe);
+ }
+}
+
+@supports (color: light-dark(red, red)) and (color: rgb(0 0 0 / 0)){
+:is(.dialog .mainContainer) .messageBar{
+ --message-bar-border-color:light-dark(
+ rgb(0 0 0 / 0.08),
+ rgb(255 255 255 / 0.08)
+ );
+ }
+}
+
+@supports (color: light-dark(red, red)){
+:is(.dialog .mainContainer) .messageBar{
+ --message-bar-icon-color:light-dark(#cd411e, #e49c49);
+ }
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+:is(:is(.dialog .mainContainer) .messageBar) *{
+ --csstools-light-dark-toggle--62:var(--csstools-color-scheme--light) #5a3100;
+ --message-bar-bg-color:var(--csstools-light-dark-toggle--62, #ffebcd);
+ --csstools-light-dark-toggle--63:var(--csstools-color-scheme--light) #fbfbfe;
+ --message-bar-fg-color:var(--csstools-light-dark-toggle--63, #15141a);
+ --csstools-light-dark-toggle--64:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.08);
+ --message-bar-border-color:var(--csstools-light-dark-toggle--64, rgb(0 0 0 / 0.08));
+ --csstools-light-dark-toggle--65:var(--csstools-color-scheme--light) #e49c49;
+ --message-bar-icon-color:var(--csstools-light-dark-toggle--65, #cd411e);
+ }
+}
+
+@media screen and (forced-colors: active){
+
+:is(.dialog .mainContainer) .messageBar{
+ --message-bar-bg-color:HighlightText;
+ --message-bar-fg-color:CanvasText;
+ --message-bar-border-color:CanvasText;
+ --message-bar-icon-color:CanvasText;
+ }
+ }
+
+:is(.dialog .mainContainer) .messageBar{
+
+ align-self:stretch;
+ }
+
+:is(:is(:is(.dialog .mainContainer) .messageBar) > div)::before,:is(:is(:is(.dialog .mainContainer) .messageBar) > div) > div{
+ margin-block:4px;
+ }
+
+:is(:is(:is(.dialog .mainContainer) .messageBar) > div) > div{
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:8px;
+ flex:1 0 0;
+ }
+
+:is(:is(:is(:is(.dialog .mainContainer) .messageBar) > div) > div) .title{
+ font-size:13px;
+ font-weight:590;
+ }
+
+:is(:is(:is(:is(.dialog .mainContainer) .messageBar) > div) > div) .description{
+ font-size:13px;
+ }
+
+:is(.dialog .mainContainer) .toggler{
+ display:flex;
+ align-items:center;
+ gap:8px;
+ align-self:stretch;
+ }
+
+:is(:is(.dialog .mainContainer) .toggler) > .togglerLabel{
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ }
+
+.textLayer{
+ position:absolute;
+ text-align:initial;
+ inset:0;
+ overflow:clip;
+ opacity:1;
+ line-height:1;
+ -webkit-text-size-adjust:none;
+ -moz-text-size-adjust:none;
+ text-size-adjust:none;
+ forced-color-adjust:none;
+ transform-origin:0 0;
+ caret-color:CanvasText;
+ z-index:0;
+}
+
+.textLayer.highlighting{
+ touch-action:none;
+ }
+
+.textLayer :is(span,br){
+ color:transparent;
+ position:absolute;
+ white-space:pre;
+ cursor:text;
+ transform-origin:0% 0%;
+ }
+
+.textLayer > :not(.markedContent),.textLayer .markedContent span:not(.markedContent){
+ z-index:1;
+ }
+
+.textLayer span.markedContent{
+ top:0;
+ height:0;
+ }
+
+.textLayer span[role="img"]{
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ cursor:default;
+ }
+
+.textLayer .highlight{
+ --highlight-bg-color:rgb(180 0 170 / 0.25);
+ --highlight-selected-bg-color:rgb(0 100 0 / 0.25);
+ --highlight-backdrop-filter:none;
+ --highlight-selected-backdrop-filter:none;
+ }
+
+@media screen and (forced-colors: active){
+
+.textLayer .highlight{
+ --highlight-bg-color:transparent;
+ --highlight-selected-bg-color:transparent;
+ --highlight-backdrop-filter:var(--hcm-highlight-filter);
+ --highlight-selected-backdrop-filter:var(
+ --hcm-highlight-selected-filter
+ );
+ }
+ }
+
+.textLayer .highlight{
+
+ margin:-1px;
+ padding:1px;
+ background-color:var(--highlight-bg-color);
+ -webkit-backdrop-filter:var(--highlight-backdrop-filter);
+ backdrop-filter:var(--highlight-backdrop-filter);
+ border-radius:4px;
+ }
+
+.appended:is(.textLayer .highlight){
+ position:initial;
+ }
+
+.begin:is(.textLayer .highlight){
+ border-radius:4px 0 0 4px;
+ }
+
+.end:is(.textLayer .highlight){
+ border-radius:0 4px 4px 0;
+ }
+
+.middle:is(.textLayer .highlight){
+ border-radius:0;
+ }
+
+.selected:is(.textLayer .highlight){
+ background-color:var(--highlight-selected-bg-color);
+ -webkit-backdrop-filter:var(--highlight-selected-backdrop-filter);
+ backdrop-filter:var(--highlight-selected-backdrop-filter);
+ }
+
+.textLayer ::-moz-selection{
+ background:rgba(0 0 255 / 0.25);
+ background:color-mix(in srgb, AccentColor, transparent 75%);
+ }
+
+.textLayer ::selection{
+ background:rgba(0 0 255 / 0.25);
+ background:color-mix(in srgb, AccentColor, transparent 75%);
+ }
+
+.textLayer br::-moz-selection{
+ background:transparent;
+ }
+
+.textLayer br::selection{
+ background:transparent;
+ }
+
+.textLayer .endOfContent{
+ display:block;
+ position:absolute;
+ inset:100% 0 0;
+ z-index:0;
+ cursor:default;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ }
+
+.textLayer.selecting .endOfContent{
+ top:0;
+ }
+
+.annotationLayer{
+ --csstools-color-scheme--light:initial;
+ color-scheme:only light;
+
+ --annotation-unfocused-field-background:url("data:image/svg+xml;charset=UTF-8,");
+ --input-focus-border-color:Highlight;
+ --input-focus-outline:1px solid Canvas;
+ --input-unfocused-border-color:transparent;
+ --input-disabled-border-color:transparent;
+ --input-hover-border-color:black;
+ --link-outline:none;
+}
+
+@media screen and (forced-colors: active){
+
+.annotationLayer{
+ --input-focus-border-color:CanvasText;
+ --input-unfocused-border-color:ActiveText;
+ --input-disabled-border-color:GrayText;
+ --input-hover-border-color:Highlight;
+ --link-outline:1.5px solid LinkText;
+}
+
+ .annotationLayer .textWidgetAnnotation :is(input,textarea):required,.annotationLayer .choiceWidgetAnnotation select:required,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:required{
+ outline:1.5px solid selectedItem;
+ }
+
+ .annotationLayer .linkAnnotation{
+ outline:var(--link-outline);
+ }
+
+ :is(.annotationLayer .linkAnnotation):hover{
+ -webkit-backdrop-filter:var(--hcm-highlight-filter);
+ backdrop-filter:var(--hcm-highlight-filter);
+ }
+
+ :is(.annotationLayer .linkAnnotation) > a:hover{
+ opacity:0 !important;
+ background:none !important;
+ box-shadow:none;
+ }
+
+ .annotationLayer .popupAnnotation .popup{
+ outline:calc(1.5px * var(--total-scale-factor)) solid CanvasText !important;
+ background-color:ButtonFace !important;
+ color:ButtonText !important;
+ }
+
+ .annotationLayer .highlightArea:hover::after{
+ position:absolute;
+ top:0;
+ left:0;
+ width:100%;
+ height:100%;
+ -webkit-backdrop-filter:var(--hcm-highlight-filter);
+ backdrop-filter:var(--hcm-highlight-filter);
+ content:"";
+ pointer-events:none;
+ }
+
+ .annotationLayer .popupAnnotation.focused .popup{
+ outline:calc(3px * var(--total-scale-factor)) solid Highlight !important;
+ }
+ }
+
+.annotationLayer{
+
+ position:absolute;
+ top:0;
+ left:0;
+ pointer-events:none;
+ transform-origin:0 0;
+}
+
+.annotationLayer[data-main-rotation="90"] .norotate{
+ transform:rotate(270deg) translateX(-100%);
+ }
+
+.annotationLayer[data-main-rotation="180"] .norotate{
+ transform:rotate(180deg) translate(-100%, -100%);
+ }
+
+.annotationLayer[data-main-rotation="270"] .norotate{
+ transform:rotate(90deg) translateY(-100%);
+ }
+
+.annotationLayer.disabled section,.annotationLayer.disabled .popup{
+ pointer-events:none;
+ }
+
+.annotationLayer .annotationContent{
+ position:absolute;
+ width:100%;
+ height:100%;
+ pointer-events:none;
+ }
+
+.freetext:is(.annotationLayer .annotationContent){
+ background:transparent;
+ border:none;
+ inset:0;
+ overflow:visible;
+ white-space:nowrap;
+ font:10px sans-serif;
+ line-height:1.35;
+ }
+
+.annotationLayer section{
+ position:absolute;
+ text-align:initial;
+ pointer-events:auto;
+ box-sizing:border-box;
+ transform-origin:0 0;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ }
+
+:is(.annotationLayer section):has(div.annotationContent) canvas.annotationContent{
+ display:none;
+ }
+
+:is(.annotationLayer section) .overlaidText{
+ position:absolute;
+ top:0;
+ left:0;
+ width:0;
+ height:0;
+ display:inline-block;
+ overflow:hidden;
+ }
+
+.textLayer.selecting ~ .annotationLayer section{
+ pointer-events:none;
+ }
+
+.annotationLayer :is(.linkAnnotation,.buttonWidgetAnnotation.pushButton) > a{
+ position:absolute;
+ font-size:1em;
+ top:0;
+ left:0;
+ width:100%;
+ height:100%;
+ }
+
+.annotationLayer :is(.linkAnnotation,.buttonWidgetAnnotation.pushButton):not(.hasBorder) > a:hover{
+ opacity:0.2;
+ background-color:rgb(255 255 0);
+ }
+
+.annotationLayer .linkAnnotation.hasBorder:hover{
+ background-color:rgb(255 255 0 / 0.2);
+ }
+
+.annotationLayer .hasBorder{
+ background-size:100% 100%;
+ }
+
+.annotationLayer .textAnnotation img{
+ position:absolute;
+ cursor:pointer;
+ width:100%;
+ height:100%;
+ top:0;
+ left:0;
+ }
+
+.annotationLayer .textWidgetAnnotation :is(input,textarea),.annotationLayer .choiceWidgetAnnotation select,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input{
+ background-image:var(--annotation-unfocused-field-background);
+ border:2px solid var(--input-unfocused-border-color);
+ box-sizing:border-box;
+ font:calc(9px * var(--total-scale-factor)) sans-serif;
+ height:100%;
+ margin:0;
+ vertical-align:top;
+ width:100%;
+ }
+
+.annotationLayer .textWidgetAnnotation :is(input,textarea):required,.annotationLayer .choiceWidgetAnnotation select:required,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:required{
+ outline:1.5px solid red;
+ }
+
+.annotationLayer .choiceWidgetAnnotation select option{
+ padding:0;
+ }
+
+.annotationLayer .buttonWidgetAnnotation.radioButton input{
+ border-radius:50%;
+ }
+
+.annotationLayer .textWidgetAnnotation textarea{
+ resize:none;
+ }
+
+.annotationLayer .textWidgetAnnotation [disabled]:is(input,textarea),.annotationLayer .choiceWidgetAnnotation select[disabled],.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input[disabled]{
+ background:none;
+ border:2px solid var(--input-disabled-border-color);
+ cursor:not-allowed;
+ }
+
+.annotationLayer .textWidgetAnnotation :is(input,textarea):hover,.annotationLayer .choiceWidgetAnnotation select:hover,.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input:hover{
+ border:2px solid var(--input-hover-border-color);
+ }
+
+.annotationLayer .textWidgetAnnotation :is(input,textarea):hover,.annotationLayer .choiceWidgetAnnotation select:hover,.annotationLayer .buttonWidgetAnnotation.checkBox input:hover{
+ border-radius:2px;
+ }
+
+.annotationLayer .textWidgetAnnotation :is(input,textarea):focus,.annotationLayer .choiceWidgetAnnotation select:focus{
+ background:none;
+ border:2px solid var(--input-focus-border-color);
+ border-radius:2px;
+ outline:var(--input-focus-outline);
+ }
+
+.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) :focus{
+ background-image:none;
+ background-color:transparent;
+ }
+
+.annotationLayer .buttonWidgetAnnotation.checkBox :focus{
+ border:2px solid var(--input-focus-border-color);
+ border-radius:2px;
+ outline:var(--input-focus-outline);
+ }
+
+.annotationLayer .buttonWidgetAnnotation.radioButton :focus{
+ border:2px solid var(--input-focus-border-color);
+ outline:var(--input-focus-outline);
+ }
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::before,.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::after,.annotationLayer .buttonWidgetAnnotation.radioButton input:checked::before{
+ background-color:CanvasText;
+ content:"";
+ display:block;
+ position:absolute;
+ }
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::before,.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::after{
+ height:80%;
+ left:45%;
+ width:1px;
+ }
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::before{
+ transform:rotate(45deg);
+ }
+
+.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::after{
+ transform:rotate(-45deg);
+ }
+
+.annotationLayer .buttonWidgetAnnotation.radioButton input:checked::before{
+ border-radius:50%;
+ height:50%;
+ left:25%;
+ top:25%;
+ width:50%;
+ }
+
+.annotationLayer .textWidgetAnnotation input.comb{
+ font-family:monospace;
+ padding-left:2px;
+ padding-right:0;
+ }
+
+.annotationLayer .textWidgetAnnotation input.comb:focus{
+ width:103%;
+ }
+
+.annotationLayer .buttonWidgetAnnotation:is(.checkBox,.radioButton) input{
+ -webkit-appearance:none;
+ -moz-appearance:none;
+ appearance:none;
+ }
+
+.annotationLayer .fileAttachmentAnnotation .popupTriggerArea{
+ height:100%;
+ width:100%;
+ }
+
+.annotationLayer .popupAnnotation{
+ position:absolute;
+ font-size:calc(9px * var(--total-scale-factor));
+ pointer-events:none;
+ width:-moz-max-content;
+ width:max-content;
+ max-width:45%;
+ height:auto;
+ }
+
+.annotationLayer .popup{
+ background-color:rgb(255 255 153);
+ color:black;
+ box-shadow:0 calc(2px * var(--total-scale-factor)) calc(5px * var(--total-scale-factor)) rgb(136 136 136);
+ border-radius:calc(2px * var(--total-scale-factor));
+ outline:1.5px solid rgb(255 255 74);
+ padding:calc(6px * var(--total-scale-factor));
+ cursor:pointer;
+ font:message-box;
+ white-space:normal;
+ word-wrap:break-word;
+ pointer-events:auto;
+ -webkit-user-select:text;
+ -moz-user-select:text;
+ user-select:text;
+ }
+
+.annotationLayer .popupAnnotation.focused .popup{
+ outline-width:3px;
+ }
+
+.annotationLayer .popup *{
+ font-size:calc(9px * var(--total-scale-factor));
+ }
+
+.annotationLayer .popup > .header{
+ display:inline-block;
+ }
+
+.annotationLayer .popup > .header > .title{
+ display:inline;
+ font-weight:bold;
+ }
+
+.annotationLayer .popup > .header .popupDate{
+ display:inline-block;
+ margin-left:calc(5px * var(--total-scale-factor));
+ width:-moz-fit-content;
+ width:fit-content;
+ }
+
+.annotationLayer .popupContent{
+ border-top:1px solid rgb(51 51 51);
+ margin-top:calc(2px * var(--total-scale-factor));
+ padding-top:calc(2px * var(--total-scale-factor));
+ }
+
+.annotationLayer .richText > *{
+ white-space:pre-wrap;
+ font-size:calc(9px * var(--total-scale-factor));
+ }
+
+.annotationLayer .popupTriggerArea{
+ cursor:pointer;
+ }
+
+:is(.annotationLayer .popupTriggerArea):hover{
+ -webkit-backdrop-filter:var(--hcm-highlight-filter);
+ backdrop-filter:var(--hcm-highlight-filter);
+ }
+
+.annotationLayer section svg{
+ position:absolute;
+ width:100%;
+ height:100%;
+ top:0;
+ left:0;
+ }
+
+.annotationLayer .annotationTextContent{
+ position:absolute;
+ width:100%;
+ height:100%;
+ opacity:0;
+ color:transparent;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ pointer-events:none;
+ }
+
+:is(.annotationLayer .annotationTextContent) span{
+ width:100%;
+ display:inline-block;
+ }
+
+.annotationLayer svg.quadrilateralsContainer{
+ contain:strict;
+ width:0;
+ height:0;
+ position:absolute;
+ top:0;
+ left:0;
+ z-index:-1;
+ }
+
+:root{
+ --xfa-unfocused-field-background:url("data:image/svg+xml;charset=UTF-8,");
+ --xfa-focus-outline:auto;
+}
+
+@media screen and (forced-colors: active){
+ :root{
+ --xfa-focus-outline:2px solid CanvasText;
+ }
+ .xfaLayer *:required{
+ outline:1.5px solid selectedItem;
+ }
+}
+
+.xfaLayer{
+ --csstools-color-scheme--light:initial;
+ color-scheme:only light;
+
+ background-color:transparent;
+}
+
+.xfaLayer .highlight{
+ margin:-1px;
+ padding:1px;
+ background-color:rgb(239 203 237);
+ border-radius:4px;
+}
+
+.xfaLayer .highlight.appended{
+ position:initial;
+}
+
+.xfaLayer .highlight.begin{
+ border-radius:4px 0 0 4px;
+}
+
+.xfaLayer .highlight.end{
+ border-radius:0 4px 4px 0;
+}
+
+.xfaLayer .highlight.middle{
+ border-radius:0;
+}
+
+.xfaLayer .highlight.selected{
+ background-color:rgb(203 223 203);
+}
+
+.xfaPage{
+ overflow:hidden;
+ position:relative;
+}
+
+.xfaContentarea{
+ position:absolute;
+}
+
+.xfaPrintOnly{
+ display:none;
+}
+
+.xfaLayer{
+ position:absolute;
+ text-align:initial;
+ top:0;
+ left:0;
+ transform-origin:0 0;
+ line-height:1.2;
+}
+
+.xfaLayer *{
+ color:inherit;
+ font:inherit;
+ font-style:inherit;
+ font-weight:inherit;
+ font-kerning:inherit;
+ letter-spacing:-0.01px;
+ text-align:inherit;
+ text-decoration:inherit;
+ box-sizing:border-box;
+ background-color:transparent;
+ padding:0;
+ margin:0;
+ pointer-events:auto;
+ line-height:inherit;
+}
+
+.xfaLayer *:required{
+ outline:1.5px solid red;
+}
+
+.xfaLayer div,
+.xfaLayer svg,
+.xfaLayer svg *{
+ pointer-events:none;
+}
+
+.xfaLayer a{
+ color:blue;
+}
+
+.xfaRich li{
+ margin-left:3em;
+}
+
+.xfaFont{
+ color:black;
+ font-weight:normal;
+ font-kerning:none;
+ font-size:10px;
+ font-style:normal;
+ letter-spacing:0;
+ text-decoration:none;
+ vertical-align:0;
+}
+
+.xfaCaption{
+ overflow:hidden;
+ flex:0 0 auto;
+}
+
+.xfaCaptionForCheckButton{
+ overflow:hidden;
+ flex:1 1 auto;
+}
+
+.xfaLabel{
+ height:100%;
+ width:100%;
+}
+
+.xfaLeft{
+ display:flex;
+ flex-direction:row;
+ align-items:center;
+}
+
+.xfaRight{
+ display:flex;
+ flex-direction:row-reverse;
+ align-items:center;
+}
+
+:is(.xfaLeft, .xfaRight) > :is(.xfaCaption, .xfaCaptionForCheckButton){
+ max-height:100%;
+}
+
+.xfaTop{
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+}
+
+.xfaBottom{
+ display:flex;
+ flex-direction:column-reverse;
+ align-items:flex-start;
+}
+
+:is(.xfaTop, .xfaBottom) > :is(.xfaCaption, .xfaCaptionForCheckButton){
+ width:100%;
+}
+
+.xfaBorder{
+ background-color:transparent;
+ position:absolute;
+ pointer-events:none;
+}
+
+.xfaWrapped{
+ width:100%;
+ height:100%;
+}
+
+:is(.xfaTextfield, .xfaSelect):focus{
+ background-image:none;
+ background-color:transparent;
+ outline:var(--xfa-focus-outline);
+ outline-offset:-1px;
+}
+
+:is(.xfaCheckbox, .xfaRadio):focus{
+ outline:var(--xfa-focus-outline);
+}
+
+.xfaTextfield,
+.xfaSelect{
+ height:100%;
+ width:100%;
+ flex:1 1 auto;
+ border:none;
+ resize:none;
+ background-image:var(--xfa-unfocused-field-background);
+}
+
+.xfaSelect{
+ padding-inline:2px;
+}
+
+:is(.xfaTop, .xfaBottom) > :is(.xfaTextfield, .xfaSelect){
+ flex:0 1 auto;
+}
+
+.xfaButton{
+ cursor:pointer;
+ width:100%;
+ height:100%;
+ border:none;
+ text-align:center;
+}
+
+.xfaLink{
+ width:100%;
+ height:100%;
+ position:absolute;
+ top:0;
+ left:0;
+}
+
+.xfaCheckbox,
+.xfaRadio{
+ width:100%;
+ height:100%;
+ flex:0 0 auto;
+ border:none;
+}
+
+.xfaRich{
+ white-space:pre-wrap;
+ width:100%;
+ height:100%;
+}
+
+.xfaImage{
+ -o-object-position:left top;
+ object-position:left top;
+ -o-object-fit:contain;
+ object-fit:contain;
+ width:100%;
+ height:100%;
+}
+
+.xfaLrTb,
+.xfaRlTb,
+.xfaTb{
+ display:flex;
+ flex-direction:column;
+ align-items:stretch;
+}
+
+.xfaLr{
+ display:flex;
+ flex-direction:row;
+ align-items:stretch;
+}
+
+.xfaRl{
+ display:flex;
+ flex-direction:row-reverse;
+ align-items:stretch;
+}
+
+.xfaTb > div{
+ justify-content:left;
+}
+
+.xfaPosition{
+ position:relative;
+}
+
+.xfaArea{
+ position:relative;
+}
+
+.xfaValignMiddle{
+ display:flex;
+ align-items:center;
+}
+
+.xfaTable{
+ display:flex;
+ flex-direction:column;
+ align-items:stretch;
+}
+
+.xfaTable .xfaRow{
+ display:flex;
+ flex-direction:row;
+ align-items:stretch;
+}
+
+.xfaTable .xfaRlRow{
+ display:flex;
+ flex-direction:row-reverse;
+ align-items:stretch;
+ flex:1;
+}
+
+.xfaTable .xfaRlRow > div{
+ flex:1;
+}
+
+:is(.xfaNonInteractive, .xfaDisabled, .xfaReadOnly) :is(input, textarea){
+ background:initial;
+}
+
+@media print{
+ .xfaTextfield,
+ .xfaSelect{
+ background:transparent;
+ }
+
+ .xfaSelect{
+ -webkit-appearance:none;
+ -moz-appearance:none;
+ appearance:none;
+ text-indent:1px;
+ text-overflow:"";
+ }
+}
+
+.canvasWrapper svg{
+ transform:none;
+ }
+
+.moving:is(.canvasWrapper svg){
+ z-index:100000;
+ }
+
+[data-main-rotation="90"]:is(.highlight:is(.canvasWrapper svg),.highlightOutline:is(.canvasWrapper svg)) mask,[data-main-rotation="90"]:is(.highlight:is(.canvasWrapper svg),.highlightOutline:is(.canvasWrapper svg)) use:not(.clip,.mask){
+ transform:matrix(0, 1, -1, 0, 1, 0);
+ }
+
+[data-main-rotation="180"]:is(.highlight:is(.canvasWrapper svg),.highlightOutline:is(.canvasWrapper svg)) mask,[data-main-rotation="180"]:is(.highlight:is(.canvasWrapper svg),.highlightOutline:is(.canvasWrapper svg)) use:not(.clip,.mask){
+ transform:matrix(-1, 0, 0, -1, 1, 1);
+ }
+
+[data-main-rotation="270"]:is(.highlight:is(.canvasWrapper svg),.highlightOutline:is(.canvasWrapper svg)) mask,[data-main-rotation="270"]:is(.highlight:is(.canvasWrapper svg),.highlightOutline:is(.canvasWrapper svg)) use:not(.clip,.mask){
+ transform:matrix(0, -1, 1, 0, 0, 1);
+ }
+
+.draw:is(.canvasWrapper svg){
+ position:absolute;
+ mix-blend-mode:normal;
+ }
+
+.draw[data-draw-rotation="90"]:is(.canvasWrapper svg){
+ transform:rotate(90deg);
+ }
+
+.draw[data-draw-rotation="180"]:is(.canvasWrapper svg){
+ transform:rotate(180deg);
+ }
+
+.draw[data-draw-rotation="270"]:is(.canvasWrapper svg){
+ transform:rotate(270deg);
+ }
+
+.highlight:is(.canvasWrapper svg){
+ --blend-mode:multiply;
+ }
+
+@media screen and (forced-colors: active){
+
+.highlight:is(.canvasWrapper svg){
+ --blend-mode:difference;
+ }
+ }
+
+.highlight:is(.canvasWrapper svg){
+
+ position:absolute;
+ mix-blend-mode:var(--blend-mode);
+ }
+
+.highlight:is(.canvasWrapper svg):not(.free){
+ fill-rule:evenodd;
+ }
+
+.highlightOutline:is(.canvasWrapper svg){
+ position:absolute;
+ mix-blend-mode:normal;
+ fill-rule:evenodd;
+ fill:none;
+ }
+
+.highlightOutline.hovered:is(.canvasWrapper svg):not(.free):not(.selected){
+ stroke:var(--hover-outline-color);
+ stroke-width:var(--outline-width);
+ }
+
+.highlightOutline.selected:is(.canvasWrapper svg):not(.free) .mainOutline{
+ stroke:var(--outline-around-color);
+ stroke-width:calc(
+ var(--outline-width) + 2 * var(--outline-around-width)
+ );
+ }
+
+.highlightOutline.selected:is(.canvasWrapper svg):not(.free) .secondaryOutline{
+ stroke:var(--outline-color);
+ stroke-width:var(--outline-width);
+ }
+
+.highlightOutline.free.hovered:is(.canvasWrapper svg):not(.selected){
+ stroke:var(--hover-outline-color);
+ stroke-width:calc(2 * var(--outline-width));
+ }
+
+.highlightOutline.free.selected:is(.canvasWrapper svg) .mainOutline{
+ stroke:var(--outline-around-color);
+ stroke-width:calc(
+ 2 * (var(--outline-width) + var(--outline-around-width))
+ );
+ }
+
+.highlightOutline.free.selected:is(.canvasWrapper svg) .secondaryOutline{
+ stroke:var(--outline-color);
+ stroke-width:calc(2 * var(--outline-width));
+ }
+
+.toggle-button{
+ --button-background-color:color-mix(in srgb, currentColor 7%, transparent);
+ --button-background-color-hover:color-mix(
+ in srgb,
+ currentColor 14%,
+ transparent
+ );
+ --button-background-color-active:color-mix(
+ in srgb,
+ currentColor 21%,
+ transparent
+ );
+ --csstools-light-dark-toggle--66:var(--csstools-color-scheme--light) #0df;
+ --color-accent-primary:var(--csstools-light-dark-toggle--66, #0060df);
+ --csstools-light-dark-toggle--67:var(--csstools-color-scheme--light) #80ebff;
+ --color-accent-primary-hover:var(--csstools-light-dark-toggle--67, #0250bb);
+ --csstools-light-dark-toggle--68:var(--csstools-color-scheme--light) #aaf2ff;
+ --color-accent-primary-active:var(--csstools-light-dark-toggle--68, #054096);
+ --border-radius-circle:9999px;
+ --border-width:1px;
+ --size-item-small:16px;
+ --size-item-large:32px;
+ --csstools-light-dark-toggle--69:var(--csstools-color-scheme--light) #1c1b22;
+ --color-canvas:var(--csstools-light-dark-toggle--69, white);
+ --background-color-canvas:var(--color-canvas);
+ --csstools-light-dark-toggle--70:var(--csstools-color-scheme--light) #f9f9fa;
+ --border-color-interactive:var(--csstools-light-dark-toggle--70, #8f8f9d);
+ --border-color-interactive-hover:var(--border-color-interactive);
+ --border-color-interactive-active:var(--border-color-interactive);
+}
+
+@supports (color: light-dark(red, red)){
+.toggle-button{
+ --color-accent-primary:light-dark(#0060df, #0df);
+ --color-accent-primary-hover:light-dark(#0250bb, #80ebff);
+ --color-accent-primary-active:light-dark(#054096, #aaf2ff);
+ --color-canvas:light-dark(white, #1c1b22);
+ --border-color-interactive:light-dark(#8f8f9d, #f9f9fa);
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+.toggle-button *{
+ --csstools-light-dark-toggle--66:var(--csstools-color-scheme--light) #0df;
+ --color-accent-primary:var(--csstools-light-dark-toggle--66, #0060df);
+ --csstools-light-dark-toggle--67:var(--csstools-color-scheme--light) #80ebff;
+ --color-accent-primary-hover:var(--csstools-light-dark-toggle--67, #0250bb);
+ --csstools-light-dark-toggle--68:var(--csstools-color-scheme--light) #aaf2ff;
+ --color-accent-primary-active:var(--csstools-light-dark-toggle--68, #054096);
+ --csstools-light-dark-toggle--69:var(--csstools-color-scheme--light) #1c1b22;
+ --color-canvas:var(--csstools-light-dark-toggle--69, white);
+ --csstools-light-dark-toggle--70:var(--csstools-color-scheme--light) #f9f9fa;
+ --border-color-interactive:var(--csstools-light-dark-toggle--70, #8f8f9d);
+ }
+}
+
+@media (forced-colors: active){
+
+.toggle-button{
+ --color-accent-primary:ButtonText;
+ --color-accent-primary-hover:SelectedItem;
+ --color-accent-primary-active:SelectedItem;
+ --button-background-color:ButtonFace;
+ --border-color-interactive:ButtonText;
+ --border-color-interactive-hover:SelectedItem;
+ --border-color-interactive-active:ButtonText;
+ --color-canvas:ButtonText;
+ --background-color-canvas:Canvas;
+}
+ }
+
+.toggle-button{
+ --toggle-background-color:var(--button-background-color);
+ --toggle-background-color-hover:var(--button-background-color-hover);
+ --toggle-background-color-active:var(--button-background-color-active);
+ --toggle-background-color-pressed:var(--color-accent-primary);
+ --toggle-background-color-pressed-hover:var(--color-accent-primary-hover);
+ --toggle-background-color-pressed-active:var(--color-accent-primary-active);
+ --toggle-border-color:var(--border-color-interactive);
+ --toggle-border-color-hover:var(--toggle-border-color);
+ --toggle-border-color-active:var(--toggle-border-color);
+ --toggle-border-radius:var(--border-radius-circle);
+ --toggle-border-width:var(--border-width);
+ --toggle-height:var(--size-item-small);
+ --toggle-width:var(--size-item-large);
+ --toggle-dot-background-color:var(--toggle-border-color);
+ --toggle-dot-background-color-hover:var(--toggle-dot-background-color);
+ --toggle-dot-background-color-active:var(--toggle-dot-background-color);
+ --toggle-dot-background-color-on-pressed:var(--background-color-canvas);
+ --toggle-dot-margin:1px;
+ --toggle-dot-height:calc(
+ var(--toggle-height) - 2 * var(--toggle-dot-margin) - 2 *
+ var(--toggle-border-width)
+ );
+ --toggle-dot-width:var(--toggle-dot-height);
+ --toggle-dot-transform-x:calc(
+ var(--toggle-width) - 4 * var(--toggle-dot-margin) - var(--toggle-dot-width)
+ );
+ --input-width:var(--toggle-width);
+
+ -webkit-appearance:none;
+
+ -moz-appearance:none;
+
+ appearance:none;
+ padding:0;
+ border:var(--toggle-border-width) solid var(--toggle-border-color);
+ height:var(--toggle-height);
+ width:var(--toggle-width);
+ border-radius:var(--toggle-border-radius);
+ background-color:var(--toggle-background-color);
+ box-sizing:border-box;
+}
+
+.toggle-button:focus-visible{
+ outline:var(--focus-outline);
+ outline-offset:var(--focus-outline-offset);
+ }
+
+.toggle-button:enabled:hover{
+ background-color:var(--toggle-background-color-hover);
+ border-color:var(--toggle-border-color);
+ }
+
+.toggle-button:enabled:hover:active{
+ background-color:var(--toggle-background-color-active);
+ border-color:var(--toggle-border-color);
+ }
+
+.toggle-button::before{
+ display:block;
+ content:"";
+ background-color:var(--toggle-dot-background-color);
+ height:var(--toggle-dot-height);
+ width:var(--toggle-dot-width);
+ margin:var(--toggle-dot-margin);
+ border-radius:var(--toggle-border-radius);
+ translate:0;
+ }
+
+.toggle-button[aria-pressed="true"]{
+ background-color:var(--toggle-background-color-pressed);
+ border-color:transparent;
+}
+
+.toggle-button[aria-pressed="true"]:enabled:hover{
+ background-color:var(--toggle-background-color-pressed-hover);
+ border-color:transparent;
+ }
+
+.toggle-button[aria-pressed="true"]:enabled:hover:active{
+ background-color:var(--toggle-background-color-pressed-active);
+ border-color:transparent;
+ }
+
+.toggle-button[aria-pressed="true"]::before{
+ translate:var(--toggle-dot-transform-x);
+ background-color:var(--toggle-dot-background-color-on-pressed);
+ }
+
+.toggle-button[aria-pressed="true"]:enabled:hover::before,.toggle-button[aria-pressed="true"]:enabled:hover:active::before{
+ background-color:var(--toggle-dot-background-color-on-pressed);
+ }
+
+.toggle-button[aria-pressed="true"]:-moz-locale-dir(rtl)::before,[dir="rtl"] .toggle-button[aria-pressed="true"]::before{
+ translate:calc(-1 * var(--toggle-dot-transform-x));
+ }
+
+@media (prefers-reduced-motion: no-preference){
+ .toggle-button::before{
+ transition:translate 100ms;
+ }
+}
+
+@media (prefers-contrast){
+ .toggle-button:enabled:hover{
+ border-color:var(--toggle-border-color-hover);
+ }
+
+ .toggle-button:enabled:hover:active{
+ border-color:var(--toggle-border-color-active);
+ }
+
+ .toggle-button[aria-pressed="true"]:enabled{
+ border-color:var(--toggle-border-color);
+ position:relative;
+ }
+
+ .toggle-button[aria-pressed="true"]:enabled:hover{
+ border-color:var(--toggle-border-color-hover);
+ }
+
+ .toggle-button[aria-pressed="true"]:enabled:hover:active{
+ background-color:var(--toggle-dot-background-color-active);
+ border-color:var(--toggle-dot-background-color-hover);
+ }
+
+ .toggle-button:enabled:hover::before,
+ .toggle-button:enabled:hover:active::before{
+ background-color:var(--toggle-dot-background-color-hover);
+ }
+}
+
+@media (forced-colors){
+ .toggle-button{
+ --toggle-dot-background-color:var(--color-accent-primary);
+ --toggle-dot-background-color-hover:var(--color-accent-primary-hover);
+ --toggle-dot-background-color-active:var(--color-accent-primary-active);
+ --toggle-dot-background-color-on-pressed:var(--button-background-color);
+ --toggle-border-color-hover:var(--border-color-interactive-hover);
+ --toggle-border-color-active:var(--border-color-interactive-active);
+ }
+
+ .toggle-button[aria-pressed="true"]:enabled::after{
+ border:1px solid var(--button-background-color);
+ content:"";
+ position:absolute;
+ height:var(--toggle-height);
+ width:var(--toggle-width);
+ display:block;
+ border-radius:var(--toggle-border-radius);
+ inset:-2px;
+ }
+
+ .toggle-button[aria-pressed="true"]:enabled:hover:active::after{
+ border-color:var(--toggle-border-color-active);
+ }
+}
+
+:root{
+ --clear-signature-button-icon:url(images/editor-toolbar-delete.svg);
+ --csstools-light-dark-toggle--71:var(--csstools-color-scheme--light) #2b2a33;
+ --signature-bg:var(--csstools-light-dark-toggle--71, #f9f9fb);
+ --csstools-light-dark-toggle--72:var(--csstools-color-scheme--light) var(--signature-bg);
+ --signature-hover-bg:var(--csstools-light-dark-toggle--72, #f0f0f4);
+ --button-signature-bg:transparent;
+ --button-signature-color:var(--main-color);
+ --csstools-light-dark-toggle--73:var(--csstools-color-scheme--light) #5b5b66;
+ --button-signature-active-bg:var(--csstools-light-dark-toggle--73, #cfcfd8);
+ --button-signature-active-border:none;
+ --button-signature-active-color:var(--button-signature-color);
+ --button-signature-border:none;
+ --csstools-light-dark-toggle--74:var(--csstools-color-scheme--light) #52525e;
+ --button-signature-hover-bg:var(--csstools-light-dark-toggle--74, #e0e0e6);
+ --button-signature-hover-color:var(--button-signature-color);
+}
+
+@supports (color: light-dark(red, red)){
+:root{
+ --signature-bg:light-dark(#f9f9fb, #2b2a33);
+ --signature-hover-bg:light-dark(#f0f0f4, var(--signature-bg));
+ --button-signature-active-bg:light-dark(#cfcfd8, #5b5b66);
+ --button-signature-hover-bg:light-dark(#e0e0e6, #52525e);
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+:root *{
+ --csstools-light-dark-toggle--71:var(--csstools-color-scheme--light) #2b2a33;
+ --signature-bg:var(--csstools-light-dark-toggle--71, #f9f9fb);
+ --csstools-light-dark-toggle--72:var(--csstools-color-scheme--light) var(--signature-bg);
+ --signature-hover-bg:var(--csstools-light-dark-toggle--72, #f0f0f4);
+ --csstools-light-dark-toggle--73:var(--csstools-color-scheme--light) #5b5b66;
+ --button-signature-active-bg:var(--csstools-light-dark-toggle--73, #cfcfd8);
+ --csstools-light-dark-toggle--74:var(--csstools-color-scheme--light) #52525e;
+ --button-signature-hover-bg:var(--csstools-light-dark-toggle--74, #e0e0e6);
+ }
+}
+
+@media screen and (forced-colors: active){
+
+:root{
+ --signature-bg:HighlightText;
+ --signature-hover-bg:var(--signature-bg);
+ --button-signature-bg:HighlightText;
+ --button-signature-color:ButtonText;
+ --button-signature-active-bg:ButtonText;
+ --button-signature-active-color:HighlightText;
+ --button-signature-border:1px solid ButtonText;
+ --button-signature-hover-bg:Highlight;
+ --button-signature-hover-color:HighlightText;
+}
+ }
+
+.signatureDialog{
+ --primary-color:var(--text-primary-color);
+ --border-color:#8f8f9d;
+ --open-link-fg:var(--link-fg-color);
+ --open-link-hover-fg:var(--link-hover-fg-color);
+}
+
+@media screen and (forced-colors: active){
+
+.signatureDialog{
+ --primary-color:ButtonText;
+ --border-color:ButtonText;
+ --open-link-fg:ButtonText;
+ --open-link-hover-fg:ButtonText;
+}
+ }
+
+.signatureDialog{
+
+ width:570px;
+ max-width:100%;
+ min-width:300px;
+ padding:16px 0;
+}
+
+.signatureDialog .mainContainer{
+ width:100%;
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:12px;
+ }
+
+:is(.signatureDialog .mainContainer) span:not([role="sectionhead"]){
+ font-size:13px;
+ font-style:normal;
+ font-weight:400;
+ line-height:normal;
+ }
+
+:is(.signatureDialog .mainContainer) .title{
+ margin-inline-start:16px;
+ }
+
+.signatureDialog .inputWithClearButton{
+ --button-dimension:24px;
+ --clear-button-icon:url(images/messageBar_closingButton.svg);
+
+ width:100%;
+ position:relative;
+ display:flex;
+ align-items:center;
+ justify-content:center;
+ }
+
+:is(.signatureDialog .inputWithClearButton) > input{
+ width:100%;
+ height:32px;
+ padding-inline:8px calc(4px + var(--button-dimension));
+ box-sizing:border-box;
+ border-radius:4px;
+ border:1px solid var(--border-color);
+ }
+
+:is(.signatureDialog .inputWithClearButton) .clearInputButton{
+ position:absolute;
+ inset-block-start:4px;
+ inset-inline-end:4px;
+ display:inline-block;
+ width:var(--button-dimension);
+ height:var(--button-dimension);
+ background-color:var(--input-text-fg-color);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ -webkit-mask-image:var(--clear-button-icon);
+ mask-image:var(--clear-button-icon);
+ padding:0;
+ border:0;
+ }
+
+#addSignatureDialog{
+ --secondary-color:var(--text-secondary-color);
+ --bg-hover:#e0e0e6;
+ --tab-top-line-active-color:#0060df;
+ --tab-top-line-active-hover-color:var(--tab-text-hover-color);
+ --tab-top-line-hover-color:#8f8f9d;
+ --tab-top-line-inactive-color:#cfcfd8;
+ --tab-bottom-line-active-color:var(--tab-top-line-inactive-color);
+ --tab-bottom-line-hover-color:var(--tab-top-line-inactive-color);
+ --tab-bottom-line-inactive-color:var(--tab-top-line-inactive-color);
+ --tab-bg:var(--dialog-bg-color);
+ --tab-bg-active-color:var(--tab-bg);
+ --tab-bg-active-hover-color:var(--bg-hover);
+ --tab-bg-hover:var(--bg-hover);
+ --tab-panel-border:none;
+ --tab-panel-border-radius:4px;
+ --tab-text-color:var(--primary-color);
+ --tab-text-active-color:var(--tab-top-line-active-color);
+ --tab-text-active-hover-color:var(--tab-text-hover-color);
+ --tab-text-hover-color:var(--tab-text-color);
+ --signature-placeholder-color:var(--secondary-color);
+ --signature-draw-placeholder-color:var(--primary-color);
+ --signature-color:var(--primary-color);
+ --clear-signature-button-border-width:0;
+ --clear-signature-button-border-style:solid;
+ --clear-signature-button-border-color:transparent;
+ --clear-signature-button-border-disabled-color:transparent;
+ --clear-signature-button-color:var(--primary-color);
+ --clear-signature-button-hover-color:var(--clear-signature-button-color);
+ --clear-signature-button-active-color:var(--clear-signature-button-color);
+ --clear-signature-button-disabled-color:var(--clear-signature-button-color);
+ --clear-signature-button-focus-color:var(--clear-signature-button-color);
+ --clear-signature-button-bg:var(--dialog-bg-color);
+ --clear-signature-button-bg-hover:var(--bg-hover);
+ --clear-signature-button-bg-active:#cfcfd8;
+ --clear-signature-button-bg-focus:#f0f0f4;
+ --clear-signature-button-bg-disabled:color-mix(
+ in srgb,
+ #f0f0f4,
+ transparent 40%
+ );
+ --save-warning-color:var(--secondary-color);
+ --thickness-bg:var(--dialog-bg-color);
+ --thickness-label-color:var(--primary-color);
+ --thickness-slider-color:var(--primary-color);
+ --thickness-border:none;
+ --draw-cursor:url(images/cursor-editorInk.svg) 0 16, pointer;
+}
+
+@media (prefers-color-scheme: dark){
+
+#addSignatureDialog{
+ --dialog-bg-color:#42414d;
+ --bg-hover:#52525e;
+ --primary-color:#fbfbfe;
+ --secondary-color:#cfcfd8;
+ --tab-top-line-active-color:#0df;
+ --tab-top-line-inactive-color:#8f8f9d;
+ --clear-signature-button-bg-active:#5b5b66;
+ --clear-signature-button-bg-focus:#2b2a33;
+ --clear-signature-button-bg-disabled:color-mix(
+ in srgb,
+ #2b2a33,
+ transparent 40%
+ );
+}
+ }
+
+@media screen and (forced-colors: active){
+
+#addSignatureDialog{
+ --secondary-color:ButtonText;
+ --bg:HighlightText;
+ --bg-hover:var(--bg);
+ --tab-top-line-active-color:ButtonText;
+ --tab-top-line-active-hover-color:HighlightText;
+ --tab-top-line-hover-color:SelectedItem;
+ --tab-top-line-inactive-color:ButtonText;
+ --tab-bottom-line-active-color:var(--tab-top-line-active-color);
+ --tab-bottom-line-hover-color:var(--tab-top-line-hover-color);
+ --tab-bg:var(--bg);
+ --tab-bg-active-color:SelectedItem;
+ --tab-bg-active-hover-color:SelectedItem;
+ --tab-panel-border:1px solid ButtonText;
+ --tab-panel-border-radius:8px;
+ --tab-text-color:ButtonText;
+ --tab-text-active-color:HighlightText;
+ --tab-text-active-hover-color:HighlightText;
+ --tab-text-hover-color:SelectedItem;
+ --signature-color:ButtonText;
+ --clear-signature-button-border-width:1px;
+ --clear-signature-button-border-style:solid;
+ --clear-signature-button-border-color:ButtonText;
+ --clear-signature-button-border-disabled-color:GrayText;
+ --clear-signature-button-color:ButtonText;
+ --clear-signature-button-hover-color:HighlightText;
+ --clear-signature-button-active-color:SelectedItem;
+ --clear-signature-button-focus-color:CanvasText;
+ --clear-signature-button-disabled-color:GrayText;
+ --clear-signature-button-bg:var(--bg);
+ --clear-signature-button-bg-hover:SelectedItem;
+ --clear-signature-button-bg-active:var(--bg);
+ --clear-signature-button-bg-focus:var(--bg);
+ --clear-signature-button-bg-disabled:var(--bg);
+ --thickness-bg:Canvas;
+ --thickness-label-color:CanvasText;
+ --thickness-slider-color:ButtonText;
+ --thickness-border:1px solid var(--border-color);
+}
+ }
+
+#addSignatureDialog #addSignatureDialogLabel{
+ overflow:hidden;
+ position:absolute;
+ inset:0;
+ width:0;
+ height:0;
+ }
+
+#addSignatureDialog.waiting::after{
+ content:"";
+ cursor:wait;
+ position:absolute;
+ inset:0;
+ width:100%;
+ height:100%;
+ }
+
+:is(#addSignatureDialog .mainContainer) [role="tablist"]{
+ width:100%;
+ display:flex;
+ align-items:flex-start;
+ gap:0;
+ }
+
+:is(:is(#addSignatureDialog .mainContainer) [role="tablist"]) > [role="tab"]{
+ flex:1 0 0;
+ align-self:stretch;
+ background-color:var(--tab-bg);
+ padding-inline:0;
+ cursor:default;
+
+ border-inline:0;
+ border-block-width:1px;
+ border-block-style:solid;
+ border-block-start-color:var(--tab-top-line-inactive-color);
+ border-block-end-color:var(--tab-bottom-line-inactive-color);
+ border-radius:0;
+
+ font:menu;
+ font-size:13px;
+ font-style:normal;
+ line-height:normal;
+ font-weight:400;
+ color:var(--tab-text-color);
+ }
+
+:is(:is(:is(#addSignatureDialog .mainContainer) [role="tablist"]) > [role="tab"]):hover{
+ border-block-start-width:2px;
+ border-block-start-color:var(--tab-top-line-hover-color);
+ border-block-end-color:var(--tab-bottom-line-hover-color);
+ background-color:var(--tab-bg-hover);
+ color:var(--tab-text-hover-color);
+ }
+
+:is(:is(:is(#addSignatureDialog .mainContainer) [role="tablist"]) > [role="tab"]):focus-visible{
+ outline:2px solid var(--tab-top-line-active-color);
+ outline-offset:-2px;
+ }
+
+[aria-selected="true"]:is(:is(:is(#addSignatureDialog .mainContainer) [role="tablist"]) > [role="tab"]){
+ border-block-start-width:2px;
+ border-block-start-color:var(--tab-top-line-active-color);
+ border-block-end-color:var(--tab-bottom-line-active-color);
+ background-color:var(--tab-bg-active-color);
+ font-weight:590;
+ color:var(--tab-text-active-color);
+ }
+
+[aria-selected="true"]:is(:is(:is(#addSignatureDialog .mainContainer) [role="tablist"]) > [role="tab"]):hover{
+ border-block-start-color:var(--tab-top-line-active-hover-color);
+ background-color:var(--tab-bg-active-hover-color);
+ color:var(--tab-text-active-hover-color);
+ }
+
+:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer{
+ width:100%;
+ height:auto;
+ display:flex;
+ flex-direction:column;
+ align-items:flex-end;
+ align-self:stretch;
+ gap:12px;
+ padding-inline:16px;
+ box-sizing:border-box;
+ }
+
+:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]{
+ position:relative;
+ width:100%;
+ height:220px;
+ background-color:var(--signature-bg);
+ border:var(--tab-panel-border);
+ border-radius:var(--tab-panel-border-radius);
+ }
+
+:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) > svg{
+ position:absolute;
+ inset:0;
+ width:100%;
+ height:100%;
+ background-color:transparent;
+ }
+
+#addSignatureTypeContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]){
+ display:none;
+ }
+
+#addSignatureTypeContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #addSignatureTypeInput{
+ position:absolute;
+ inset:0;
+ width:100%;
+ height:100%;
+ border:0;
+ padding:0;
+ text-align:center;
+ color:var(--signature-color);
+ background-color:transparent;
+ border-radius:var(--tab-panel-border-radius);
+
+ font-family:"Brush script", "Apple Chancery", "Segoe script", "Freestyle Script", "Palace Script MT", "Brush Script MT", TK, cursive, serif;
+ font-size:44px;
+ font-style:italic;
+ font-weight:400;
+ }
+
+:is(#addSignatureTypeContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #addSignatureTypeInput)::-moz-placeholder{
+ color:var(--signature-placeholder-color);
+ text-align:center;
+
+ font:menu;
+ font-style:normal;
+ font-weight:274;
+ font-size:44px;
+ line-height:normal;
+ }
+
+:is(#addSignatureTypeContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #addSignatureTypeInput)::placeholder{
+ color:var(--signature-placeholder-color);
+ text-align:center;
+
+ font:menu;
+ font-style:normal;
+ font-weight:274;
+ font-size:44px;
+ line-height:normal;
+ }
+
+#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]){
+ display:none;
+ }
+
+#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) > span{
+ position:absolute;
+ top:0;
+ left:0;
+ width:100%;
+ height:100%;
+ display:grid;
+ align-items:center;
+ justify-content:center;
+
+ background-color:transparent;
+ color:var(--signature-placeholder-color);
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ }
+
+#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) > svg{
+ stroke:var(--signature-color);
+ fill:none;
+ stroke-opacity:1;
+ stroke-linecap:round;
+ stroke-linejoin:round;
+ stroke-miterlimit:10;
+ }
+
+:is(#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) > svg):hover{
+ cursor:var(--draw-cursor);
+ }
+
+#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #thickness{
+ position:absolute;
+ width:100%;
+ inset-block-end:0;
+ display:grid;
+ align-items:center;
+ justify-content:center;
+ pointer-events:none;
+ }
+
+:is(#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #thickness) > span{
+ color:var(--signature-draw-placeholder-color);
+ }
+
+:is(#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #thickness) > div{
+ width:auto;
+ height:auto;
+ display:flex;
+ align-items:center;
+ justify-content:center;
+ gap:8px;
+ padding:6px 8px 7px;
+ margin:0;
+ background-color:var(--thickness-bg);
+ border-radius:4px 4px 0 0;
+ border-inline:var(--thickness-border);
+ border-top:var(--thickness-border);
+ pointer-events:auto;
+ position:relative;
+ top:1px;
+ }
+
+:is(:is(#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #thickness) > div) > label{
+ color:var(--thickness-label-color);
+ }
+
+:is(:is(#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #thickness) > div) > input{
+ width:100px;
+ height:14px;
+ background-color:transparent;
+ }
+
+:is(:is(:is(#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #thickness) > div) > input)::-webkit-slider-runnable-track,:is(:is(:is(#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #thickness) > div) > input)::-moz-range-track,:is(:is(:is(#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #thickness) > div) > input)::-moz-range-progress{
+ background-color:var(--thickness-slider-color);
+ }
+
+:is(:is(:is(#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #thickness) > div) > input)::-webkit-slider-thumb,:is(:is(:is(#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #thickness) > div) > input)::-moz-range-thumb{
+ background-color:var(--thickness-bg);
+ }
+
+:is(:is(#addSignatureDrawContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #thickness) > div) > input{
+
+ border-radius:4.5px;
+ border:0;
+ color:var(--signature-color);
+ }
+
+#addSignatureImageContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]){
+ display:none;
+ }
+
+#addSignatureImageContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) > svg{
+ stroke:none;
+ stroke-width:0;
+ fill:var(--signature-color);
+ fill-opacity:1;
+ }
+
+#addSignatureImageContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #addSignatureImagePlaceholder{
+ position:absolute;
+ top:0;
+ left:0;
+ width:100%;
+ height:100%;
+ background-color:transparent;
+ display:flex;
+ flex-direction:column;
+ align-items:center;
+ justify-content:center;
+ }
+
+:is(#addSignatureImageContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #addSignatureImagePlaceholder) span{
+ color:var(--signature-placeholder-color);
+ }
+
+:is(#addSignatureImageContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #addSignatureImagePlaceholder) a{
+ color:var(--open-link-fg);
+ text-decoration:underline;
+ cursor:pointer;
+ }
+
+:is(:is(#addSignatureImageContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #addSignatureImagePlaceholder) a):hover{
+ color:var(--open-link-hover-fg);
+ }
+
+#addSignatureImageContainer:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > [role="tabpanel"]) #addSignatureFilePicker{
+ visibility:hidden;
+ position:relative;
+ width:0;
+ height:0;
+ }
+
+[data-selected="type"]:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > #addSignatureTypeContainer,[data-selected="draw"]:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > #addSignatureDrawContainer,[data-selected="image"]:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) > #addSignatureImageContainer{
+ display:block;
+ }
+
+:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls{
+ display:flex;
+ flex-direction:column;
+ justify-content:center;
+ align-items:flex-start;
+ gap:12px;
+ align-self:stretch;
+ }
+
+:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer{
+ display:flex;
+ align-items:flex-end;
+ gap:16px;
+ align-self:stretch;
+ }
+
+:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #addSignatureDescriptionContainer{
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:4px;
+ flex:1 0 0;
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #addSignatureDescriptionContainer):has(input:disabled) > label{
+ opacity:0.4;
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #addSignatureDescriptionContainer) > label{
+ width:auto;
+ }
+
+:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton{
+ display:flex;
+ height:32px;
+ padding:4px 8px;
+ align-items:center;
+ background-color:var(--clear-signature-button-bg);
+ border-width:var(--clear-signature-button-border-width);
+ border-style:var(--clear-signature-button-border-style);
+ border-color:var(--clear-signature-button-border-color);
+ border-radius:4px;
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton) > span{
+ display:flex;
+ height:24px;
+ align-items:center;
+ gap:4px;
+ flex-shrink:0;
+
+ color:var(--clear-signature-button-color);
+ }
+
+:is(:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton) > span)::after{
+ content:"";
+ display:inline-block;
+ width:16px;
+ height:16px;
+ -webkit-mask-image:var(--clear-signature-button-icon);
+ mask-image:var(--clear-signature-button-icon);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ background-color:var(--clear-signature-button-color);
+ flex-shrink:0;
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):hover{
+ background-color:var(--clear-signature-button-bg-hover);
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):hover > span{
+ color:var(--clear-signature-button-hover-color);
+ }
+
+:is(:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):hover > span)::after{
+ background-color:var(--clear-signature-button-hover-color);
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):active{
+ background-color:var(--clear-signature-button-bg-active);
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):active > span{
+ color:var(--clear-signature-button-active-color);
+ }
+
+:is(:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):active > span)::after{
+ background-color:var(--clear-signature-button-active-color);
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):focus-visible{
+ background-color:var(--clear-signature-button-bg-focus);
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):focus-visible > span{
+ color:var(--clear-signature-button-focus-color);
+ }
+
+:is(:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):focus-visible > span)::after{
+ background-color:var(--clear-signature-button-focus-color);
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):disabled{
+ background-color:var(--clear-signature-button-bg-disabled);
+ border-color:var(--clear-signature-button-border-disabled-color);
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):disabled > span{
+ color:var(--clear-signature-button-disabled-color);
+ }
+
+:is(:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #horizontalContainer) #clearSignatureButton):disabled > span)::after{
+ background-color:var(
+ --clear-signature-button-disabled-color
+ );
+ }
+
+:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #addSignatureSaveContainer{
+ display:grid;
+ grid-template-columns:max-content auto;
+ gap:4px;
+ width:100%;
+ }
+
+:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #addSignatureSaveContainer) > input{
+ margin:0;
+ }
+
+:is(:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #addSignatureSaveContainer) > input):disabled + label{
+ opacity:0.4;
+ }
+
+:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #addSignatureSaveContainer) > label{
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ }
+
+:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #addSignatureSaveContainer):not(.fullStorage) #addSignatureSaveWarning{
+ display:none;
+ }
+
+.fullStorage:is(:is(:is(:is(#addSignatureDialog .mainContainer) #addSignatureActionContainer) #addSignatureControls) #addSignatureSaveContainer) #addSignatureSaveWarning{
+ display:block;
+ opacity:1;
+ color:var(--save-warning-color);
+ font-size:11px;
+ }
+
+#editSignatureDescriptionDialog .mainContainer{
+ padding-inline:16px;
+ box-sizing:border-box;
+ }
+
+:is(#editSignatureDescriptionDialog .mainContainer) .title{
+ margin-inline-start:0;
+ }
+
+:is(#editSignatureDescriptionDialog .mainContainer) #editSignatureDescriptionAndView{
+ width:auto;
+ display:flex;
+ justify-content:flex-end;
+ align-items:flex-start;
+ gap:12px;
+ align-self:stretch;
+ }
+
+:is(:is(#editSignatureDescriptionDialog .mainContainer) #editSignatureDescriptionAndView) #editSignatureDescriptionContainer{
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:4px;
+ flex:1 1 auto;
+ }
+
+:is(:is(#editSignatureDescriptionDialog .mainContainer) #editSignatureDescriptionAndView) > svg{
+ width:210px;
+ height:180px;
+ padding:8px;
+ background-color:var(--signature-bg);
+ }
+
+:is(:is(:is(#editSignatureDescriptionDialog .mainContainer) #editSignatureDescriptionAndView) > svg) > path{
+ stroke:var(--button-signature-color);
+ stroke-width:1px;
+ stroke-linecap:round;
+ stroke-linejoin:round;
+ stroke-miterlimit:10;
+ vector-effect:non-scaling-stroke;
+ fill:none;
+ }
+
+.contours:is(:is(:is(:is(#editSignatureDescriptionDialog .mainContainer) #editSignatureDescriptionAndView) > svg) > path){
+ fill:var(--button-signature-color);
+ stroke-width:0.5px;
+ }
+
+#editorSignatureParamsToolbar{
+ padding:8px;
+}
+
+#editorSignatureParamsToolbar #addSignatureDoorHanger{
+ gap:8px;
+ padding:2px;
+ }
+
+:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer{
+ height:32px;
+ display:flex;
+ justify-content:space-between;
+ align-items:center;
+ align-self:stretch;
+ gap:8px;
+ }
+
+:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) button{
+ border:var(--button-signature-border);
+ border-radius:4px;
+ background-color:var(--button-signature-bg);
+ color:var(--button-signature-color);
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) button):hover{
+ background-color:var(--button-signature-hover-bg);
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) button):active{
+ border:var(--button-signature-active-border);
+ background-color:var(--button-signature-active-bg);
+ color:var(--button-signature-active-color);
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) button):active::before{
+ background-color:var(--button-signature-active-color);
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) button):focus-visible{
+ outline:var(--focus-ring-outline);
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) button):focus-visible::before{
+ background-color:var(--button-signature-color);
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) .deleteButton)::before{
+ -webkit-mask-image:var(--clear-signature-button-icon);
+ mask-image:var(--clear-signature-button-icon);
+ }
+
+:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) .toolbarAddSignatureButton{
+ width:calc(0.8 * var(--editor-toolbar-min-width));
+ height:100%;
+ min-height:var(--menuitem-height);
+ aspect-ratio:unset;
+ display:flex;
+ align-items:center;
+ justify-content:flex-start;
+ outline:none;
+ border-radius:4px;
+ box-sizing:border-box;
+ font:message-box;
+ position:relative;
+ flex:1 1 auto;
+ padding:0;
+ gap:8px;
+ text-align:start;
+ white-space:normal;
+ cursor:default;
+ overflow:hidden;
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) .toolbarAddSignatureButton) > svg{
+ display:inline-block;
+ height:100%;
+ aspect-ratio:1;
+ background-color:var(--signature-bg);
+ flex:none;
+ padding:4px;
+ box-sizing:border-box;
+ border:none;
+ border-radius:4px;
+ }
+
+:is(:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) .toolbarAddSignatureButton) > svg) > path{
+ stroke:var(--button-signature-color);
+ stroke-width:1px;
+ stroke-linecap:round;
+ stroke-linejoin:round;
+ stroke-miterlimit:10;
+ vector-effect:non-scaling-stroke;
+ fill:none;
+ }
+
+.contours:is(:is(:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) .toolbarAddSignatureButton) > svg) > path){
+ fill:var(--button-signature-color);
+ stroke-width:0.5px;
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) .toolbarAddSignatureButton):is(:hover,:active) > svg{
+ border-radius:4px 0 0 4px;
+ background-color:var(--signature-hover-bg);
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) .toolbarAddSignatureButton):hover > span{
+ color:var(--button-signature-hover-color);
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) .toolbarAddSignatureButton):active{
+ background-color:var(--button-signature-active-bg);
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) .toolbarAddSignatureButton):is([disabled="disabled"],[disabled]){
+ opacity:0.5;
+ pointer-events:none;
+ }
+
+:is(:is(:is(#editorSignatureParamsToolbar #addSignatureDoorHanger) .toolbarAddSignatureButtonContainer) .toolbarAddSignatureButton) > span{
+ height:auto;
+ text-overflow:ellipsis;
+ white-space:nowrap;
+ flex:1 1 auto;
+ font:menu;
+ font-size:13px;
+ font-style:normal;
+ font-weight:400;
+ line-height:normal;
+ overflow:hidden;
+ }
+
+.editDescription.altText{
+ --alt-text-add-image:url(images/editor-toolbar-edit.svg) !important;
+}
+
+.editDescription.altText::before{
+ width:16px !important;
+ height:16px !important;
+ }
+
+.commentPopup,
+#commentManagerDialog{
+ width:360px;
+ max-width:100%;
+ min-width:200px;
+ position:absolute;
+ padding:8px 16px 16px;
+ margin-left:0;
+ margin-top:0;
+ box-sizing:border-box;
+
+ border-radius:8px;
+}
+
+#commentManagerDialog{
+ --comment-close-button-icon:url(images/comment-closeButton.svg);
+}
+
+#commentManagerDialog .mainContainer{
+ width:100%;
+ height:auto;
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:4px;
+ }
+
+:is(#commentManagerDialog .mainContainer) #commentManagerToolbar{
+ width:100%;
+ height:32px;
+ display:flex;
+ justify-content:flex-start;
+ align-items:flex-start;
+ gap:8px;
+ align-self:stretch;
+
+ cursor:move;
+ }
+
+:is(#commentManagerDialog .mainContainer) #commentManagerTextInput{
+ width:100%;
+ min-height:132px;
+ margin-bottom:12px;
+ }
+
+.annotationLayer.disabled :is(.annotationCommentButton){
+ display:none;
+}
+
+:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton{
+ --csstools-color-scheme--light:initial;
+ color-scheme:light dark;
+ --csstools-light-dark-toggle--75:var(--csstools-color-scheme--light) #1c1b22;
+ --comment-button-bg:var(--csstools-light-dark-toggle--75, white);
+ --csstools-light-dark-toggle--76:var(--csstools-color-scheme--light) #fbfbfe;
+ --comment-button-fg:var(--csstools-light-dark-toggle--76, #5b5b66);
+ --csstools-light-dark-toggle--77:var(--csstools-color-scheme--light) #a6ecf4;
+ --comment-button-active-bg:var(--csstools-light-dark-toggle--77, #0041a4);
+ --csstools-light-dark-toggle--78:var(--csstools-color-scheme--light) #15141a;
+ --comment-button-active-fg:var(--csstools-light-dark-toggle--78, white);
+ --csstools-light-dark-toggle--79:var(--csstools-color-scheme--light) #61dce9;
+ --comment-button-hover-bg:var(--csstools-light-dark-toggle--79, #0053cb);
+ --csstools-light-dark-toggle--80:var(--csstools-color-scheme--light) #15141a;
+ --comment-button-hover-fg:var(--csstools-light-dark-toggle--80, white);
+ --csstools-light-dark-toggle--81:var(--csstools-color-scheme--light) #00cadb;
+ --comment-button-selected-bg:var(--csstools-light-dark-toggle--81, #0062fa);
+ --csstools-light-dark-toggle--82:var(--csstools-color-scheme--light) #bfbfc9;
+ --comment-button-border-color:var(--csstools-light-dark-toggle--82, #8f8f9d);
+ --comment-button-active-border-color:var(--comment-button-active-bg);
+ --csstools-light-dark-toggle--83:var(--csstools-color-scheme--light) #3a3944;
+ --comment-button-focus-border-color:var(--csstools-light-dark-toggle--83, #cfcfd8);
+ --comment-button-hover-border-color:var(--comment-button-hover-bg);
+ --comment-button-selected-border-color:var(--comment-button-selected-bg);
+ --csstools-light-dark-toggle--84:var(--csstools-color-scheme--light) #15141a;
+ --comment-button-selected-fg:var(--csstools-light-dark-toggle--84, white);
+ --comment-button-dim:24px;
+ --csstools-light-dark-toggle--85:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.2);
+ --csstools-light-dark-toggle--86:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.4);
+ --comment-button-box-shadow:0 0.25px 0.75px 0 var(--csstools-light-dark-toggle--85, rgb(0 0 0 / 0.05)), 0 2px 6px 0 var(--csstools-light-dark-toggle--86, rgb(0 0 0 / 0.1));
+ --csstools-light-dark-toggle--87:var(--csstools-color-scheme--light) #00cadb;
+ --comment-button-focus-outline-color:var(--csstools-light-dark-toggle--87, #0062fa);
+ }
+
+@supports (color: light-dark(red, red)){
+:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton{
+ --comment-button-bg:light-dark(white, #1c1b22);
+ --comment-button-fg:light-dark(#5b5b66, #fbfbfe);
+ --comment-button-active-bg:light-dark(#0041a4, #a6ecf4);
+ --comment-button-active-fg:light-dark(white, #15141a);
+ --comment-button-hover-bg:light-dark(#0053cb, #61dce9);
+ --comment-button-hover-fg:light-dark(white, #15141a);
+ --comment-button-selected-bg:light-dark(#0062fa, #00cadb);
+ --comment-button-border-color:light-dark(#8f8f9d, #bfbfc9);
+ --comment-button-focus-border-color:light-dark(#cfcfd8, #3a3944);
+ --comment-button-selected-fg:light-dark(white, #15141a);
+ }
+}
+
+@supports (color: light-dark(red, red)) and (color: rgb(0 0 0 / 0)){
+:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton{
+ --comment-button-box-shadow:0 0.25px 0.75px 0 light-dark(rgb(0 0 0 / 0.05), rgb(0 0 0 / 0.2)), 0 2px 6px 0 light-dark(rgb(0 0 0 / 0.1), rgb(0 0 0 / 0.4));
+ }
+}
+
+@supports (color: light-dark(red, red)){
+:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton{
+ --comment-button-focus-outline-color:light-dark(#0062fa, #00cadb);
+ }
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+:is(:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton) *{
+ --csstools-light-dark-toggle--75:var(--csstools-color-scheme--light) #1c1b22;
+ --comment-button-bg:var(--csstools-light-dark-toggle--75, white);
+ --csstools-light-dark-toggle--76:var(--csstools-color-scheme--light) #fbfbfe;
+ --comment-button-fg:var(--csstools-light-dark-toggle--76, #5b5b66);
+ --csstools-light-dark-toggle--77:var(--csstools-color-scheme--light) #a6ecf4;
+ --comment-button-active-bg:var(--csstools-light-dark-toggle--77, #0041a4);
+ --csstools-light-dark-toggle--78:var(--csstools-color-scheme--light) #15141a;
+ --comment-button-active-fg:var(--csstools-light-dark-toggle--78, white);
+ --csstools-light-dark-toggle--79:var(--csstools-color-scheme--light) #61dce9;
+ --comment-button-hover-bg:var(--csstools-light-dark-toggle--79, #0053cb);
+ --csstools-light-dark-toggle--80:var(--csstools-color-scheme--light) #15141a;
+ --comment-button-hover-fg:var(--csstools-light-dark-toggle--80, white);
+ --csstools-light-dark-toggle--81:var(--csstools-color-scheme--light) #00cadb;
+ --comment-button-selected-bg:var(--csstools-light-dark-toggle--81, #0062fa);
+ --csstools-light-dark-toggle--82:var(--csstools-color-scheme--light) #bfbfc9;
+ --comment-button-border-color:var(--csstools-light-dark-toggle--82, #8f8f9d);
+ --csstools-light-dark-toggle--83:var(--csstools-color-scheme--light) #3a3944;
+ --comment-button-focus-border-color:var(--csstools-light-dark-toggle--83, #cfcfd8);
+ --csstools-light-dark-toggle--84:var(--csstools-color-scheme--light) #15141a;
+ --comment-button-selected-fg:var(--csstools-light-dark-toggle--84, white);
+ --csstools-light-dark-toggle--85:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.2);
+ --csstools-light-dark-toggle--86:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.4);
+ --comment-button-box-shadow:0 0.25px 0.75px 0 var(--csstools-light-dark-toggle--85, rgb(0 0 0 / 0.05)), 0 2px 6px 0 var(--csstools-light-dark-toggle--86, rgb(0 0 0 / 0.1));
+ --csstools-light-dark-toggle--87:var(--csstools-color-scheme--light) #00cadb;
+ --comment-button-focus-outline-color:var(--csstools-light-dark-toggle--87, #0062fa);
+ }
+}
+
+@media (prefers-color-scheme: dark){
+
+:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton{
+ --csstools-color-scheme--light:;
+ }
+}
+
+@media screen and (forced-colors: active){
+
+:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton{
+ --comment-button-bg:ButtonFace;
+ --comment-button-fg:ButtonText;
+ --comment-button-hover-bg:SelectedItemText;
+ --comment-button-hover-fg:SelectedItem;
+ --comment-button-active-bg:SelectedItemText;
+ --comment-button-active-fg:SelectedItem;
+ --comment-button-border-color:ButtonBorder;
+ --comment-button-active-border-color:ButtonBorder;
+ --comment-button-hover-border-color:SelectedItem;
+ --comment-button-box-shadow:none;
+ --comment-button-focus-outline-color:CanvasText;
+ --comment-button-selected-bg:ButtonBorder;
+ --comment-button-selected-fg:ButtonFace;
+ }
+ }
+
+:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton{
+
+ position:absolute;
+ width:var(--comment-button-dim);
+ height:var(--comment-button-dim);
+ background-color:var(--comment-button-bg);
+ border-radius:6px 6px 6px 0;
+ border:1px solid var(--comment-button-border-color);
+ box-shadow:var(--comment-button-box-shadow);
+ cursor:auto;
+ z-index:1;
+ padding:4px;
+ margin:0;
+ box-sizing:border-box;
+ pointer-events:auto;
+ }
+
+[dir="rtl"] :is(:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton){
+ border-radius:6px 6px 0;
+ }
+
+:is(:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton)::before{
+ content:"";
+ display:inline-block;
+ width:100%;
+ height:100%;
+ -webkit-mask-repeat:no-repeat;
+ mask-repeat:no-repeat;
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ -webkit-mask-image:var(--comment-edit-button-icon);
+ mask-image:var(--comment-edit-button-icon);
+ background-color:var(--comment-button-fg);
+ margin:0;
+ padding:0;
+ transform:scaleX(var(--dir-factor));
+ }
+
+:is(:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton):focus-visible{
+ outline:2px solid var(--comment-button-focus-outline-color);
+ outline-offset:1px;
+ border-color:var(--comment-button-focus-border-color);
+ }
+
+:is(:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton):hover{
+ background-color:var(--comment-button-hover-bg) !important;
+ border-color:var(--comment-button-hover-border-color);
+ }
+
+:is(:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton):hover::before{
+ background-color:var(--comment-button-hover-fg);
+ }
+
+:is(:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton):active{
+ background-color:var(--comment-button-active-bg) !important;
+ border-color:var(--comment-button-active-border-color);
+ }
+
+:is(:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton):active::before{
+ background-color:var(--comment-button-active-fg);
+ }
+
+.selected:is(:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton){
+ background-color:var(--comment-button-selected-bg) !important;
+ border-color:var(--comment-button-selected-border-color);
+ }
+
+.selected:is(:is(.annotationLayer,.annotationEditorLayer) .annotationCommentButton)::before{
+ background-color:var(--comment-button-selected-fg);
+ }
+
+#editorCommentsSidebar,
+.commentPopup{
+ --comment-close-button-icon:url(images/comment-closeButton.svg);
+ --comment-popup-edit-button-icon:url(images/comment-popup-editButton.svg);
+ --comment-popup-delete-button-icon:url(images/editor-toolbar-delete.svg);
+
+ --csstools-light-dark-toggle--88:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.69);
+
+ --comment-date-fg-color:var(--csstools-light-dark-toggle--88, rgb(21 20 26 / 0.69));
+ --csstools-light-dark-toggle--89:var(--csstools-color-scheme--light) #1c1b22;
+ --comment-bg-color:var(--csstools-light-dark-toggle--89, #f9f9fb);
+ --csstools-light-dark-toggle--90:var(--csstools-color-scheme--light) #2c2b33;
+ --comment-hover-bg-color:var(--csstools-light-dark-toggle--90, #e0e0e6);
+ --csstools-light-dark-toggle--91:var(--csstools-color-scheme--light) #3a3944;
+ --comment-active-bg-color:var(--csstools-light-dark-toggle--91, #d1d1d9);
+ --comment-hover-brightness:0.89;
+ --comment-hover-filter:brightness(var(--comment-hover-brightness));
+ --comment-active-brightness:0.825;
+ --comment-active-filter:brightness(var(--comment-active-brightness));
+ --csstools-light-dark-toggle--92:var(--csstools-color-scheme--light) #52525e;
+ --comment-border-color:var(--csstools-light-dark-toggle--92, #f0f0f4);
+ --csstools-light-dark-toggle--93:var(--csstools-color-scheme--light) #00cadb;
+ --comment-focus-outline-color:var(--csstools-light-dark-toggle--93, #0062fa);
+ --csstools-light-dark-toggle--94:var(--csstools-color-scheme--light) #fbfbfe;
+ --comment-fg-color:var(--csstools-light-dark-toggle--94, #15141a);
+ --csstools-light-dark-toggle--95:var(--csstools-color-scheme--light) #00317e;
+ --comment-count-bg-color:var(--csstools-light-dark-toggle--95, #e2f7ff);
+ --csstools-light-dark-toggle--96:var(--csstools-color-scheme--light) #a6ecf4;
+ --comment-indicator-active-fg-color:var(--csstools-light-dark-toggle--96, #0041a4);
+ --comment-indicator-active-filter:brightness(
+ calc(1 / var(--comment-active-brightness))
+ );
+ --csstools-light-dark-toggle--97:var(--csstools-color-scheme--light) #fbfbfe;
+ --comment-indicator-focus-fg-color:var(--csstools-light-dark-toggle--97, #5b5b66);
+ --csstools-light-dark-toggle--98:var(--csstools-color-scheme--light) #61dce9;
+ --comment-indicator-hover-fg-color:var(--csstools-light-dark-toggle--98, #0053cb);
+ --comment-indicator-hover-filter:brightness(
+ calc(1 / var(--comment-hover-brightness))
+ );
+ --csstools-light-dark-toggle--99:var(--csstools-color-scheme--light) #00cadb;
+ --comment-indicator-selected-fg-color:var(--csstools-light-dark-toggle--99, #0062fa);
+
+ --button-comment-bg:transparent;
+ --button-comment-color:var(--main-color);
+ --csstools-light-dark-toggle--100:var(--csstools-color-scheme--light) #5b5b66;
+ --button-comment-active-bg:var(--csstools-light-dark-toggle--100, #cfcfd8);
+ --button-comment-active-border:none;
+ --button-comment-active-color:var(--button-comment-color);
+ --button-comment-border:none;
+ --csstools-light-dark-toggle--101:var(--csstools-color-scheme--light) #52525e;
+ --button-comment-hover-bg:var(--csstools-light-dark-toggle--101, #e0e0e6);
+ --button-comment-hover-color:var(--button-comment-color);
+}
+
+@supports (color: light-dark(red, red)) and (color: rgb(0 0 0 / 0)){
+#editorCommentsSidebar,
+.commentPopup{
+
+ --comment-date-fg-color:light-dark(
+ rgb(21 20 26 / 0.69),
+ rgb(251 251 254 / 0.69)
+ );
+}
+}
+
+@supports (color: light-dark(red, red)){
+#editorCommentsSidebar,
+.commentPopup{
+ --comment-bg-color:light-dark(#f9f9fb, #1c1b22);
+ --comment-hover-bg-color:light-dark(#e0e0e6, #2c2b33);
+ --comment-active-bg-color:light-dark(#d1d1d9, #3a3944);
+ --comment-border-color:light-dark(#f0f0f4, #52525e);
+ --comment-focus-outline-color:light-dark(#0062fa, #00cadb);
+ --comment-fg-color:light-dark(#15141a, #fbfbfe);
+ --comment-count-bg-color:light-dark(#e2f7ff, #00317e);
+ --comment-indicator-active-fg-color:light-dark(#0041a4, #a6ecf4);
+ --comment-indicator-focus-fg-color:light-dark(#5b5b66, #fbfbfe);
+ --comment-indicator-hover-fg-color:light-dark(#0053cb, #61dce9);
+ --comment-indicator-selected-fg-color:light-dark(#0062fa, #00cadb);
+ --button-comment-active-bg:light-dark(#cfcfd8, #5b5b66);
+ --button-comment-hover-bg:light-dark(#e0e0e6, #52525e);
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+:is(#editorCommentsSidebar,.commentPopup) *{
+
+ --csstools-light-dark-toggle--88:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.69);
+
+ --comment-date-fg-color:var(--csstools-light-dark-toggle--88, rgb(21 20 26 / 0.69));
+ --csstools-light-dark-toggle--89:var(--csstools-color-scheme--light) #1c1b22;
+ --comment-bg-color:var(--csstools-light-dark-toggle--89, #f9f9fb);
+ --csstools-light-dark-toggle--90:var(--csstools-color-scheme--light) #2c2b33;
+ --comment-hover-bg-color:var(--csstools-light-dark-toggle--90, #e0e0e6);
+ --csstools-light-dark-toggle--91:var(--csstools-color-scheme--light) #3a3944;
+ --comment-active-bg-color:var(--csstools-light-dark-toggle--91, #d1d1d9);
+ --csstools-light-dark-toggle--92:var(--csstools-color-scheme--light) #52525e;
+ --comment-border-color:var(--csstools-light-dark-toggle--92, #f0f0f4);
+ --csstools-light-dark-toggle--93:var(--csstools-color-scheme--light) #00cadb;
+ --comment-focus-outline-color:var(--csstools-light-dark-toggle--93, #0062fa);
+ --csstools-light-dark-toggle--94:var(--csstools-color-scheme--light) #fbfbfe;
+ --comment-fg-color:var(--csstools-light-dark-toggle--94, #15141a);
+ --csstools-light-dark-toggle--95:var(--csstools-color-scheme--light) #00317e;
+ --comment-count-bg-color:var(--csstools-light-dark-toggle--95, #e2f7ff);
+ --csstools-light-dark-toggle--96:var(--csstools-color-scheme--light) #a6ecf4;
+ --comment-indicator-active-fg-color:var(--csstools-light-dark-toggle--96, #0041a4);
+ --csstools-light-dark-toggle--97:var(--csstools-color-scheme--light) #fbfbfe;
+ --comment-indicator-focus-fg-color:var(--csstools-light-dark-toggle--97, #5b5b66);
+ --csstools-light-dark-toggle--98:var(--csstools-color-scheme--light) #61dce9;
+ --comment-indicator-hover-fg-color:var(--csstools-light-dark-toggle--98, #0053cb);
+ --csstools-light-dark-toggle--99:var(--csstools-color-scheme--light) #00cadb;
+ --comment-indicator-selected-fg-color:var(--csstools-light-dark-toggle--99, #0062fa);
+ --csstools-light-dark-toggle--100:var(--csstools-color-scheme--light) #5b5b66;
+ --button-comment-active-bg:var(--csstools-light-dark-toggle--100, #cfcfd8);
+ --csstools-light-dark-toggle--101:var(--csstools-color-scheme--light) #52525e;
+ --button-comment-hover-bg:var(--csstools-light-dark-toggle--101, #e0e0e6);
+ }
+}
+
+@media screen and (forced-colors: active){
+
+#editorCommentsSidebar,
+.commentPopup{
+ --comment-date-fg-color:CanvasText;
+ --comment-bg-color:Canvas;
+ --comment-hover-bg-color:Canvas;
+ --comment-hover-filter:none;
+ --comment-active-bg-color:Canvas;
+ --comment-active-filter:none;
+ --comment-border-color:CanvasText;
+ --comment-fg-color:CanvasText;
+ --comment-count-bg-color:Canvas;
+ --comment-indicator-active-fg-color:SelectedItem;
+ --comment-indicator-focus-fg-color:CanvasText;
+ --comment-indicator-hover-fg-color:CanvasText;
+ --comment-indicator-selected-fg-color:SelectedItem;
+ --button-comment-bg:ButtonFace;
+ --button-comment-color:ButtonText;
+ --button-comment-active-bg:ButtonText;
+ --button-comment-active-color:HighlightText;
+ --button-comment-border:1px solid ButtonText;
+ --button-comment-hover-bg:Highlight;
+ --button-comment-hover-color:HighlightText;
+}
+ }
+
+#editorCommentsSidebar{
+ display:flex;
+ height:auto;
+ padding-bottom:16px;
+ flex-direction:column;
+ align-items:flex-start;
+}
+
+#editorCommentsSidebar #editorCommentsSidebarHeader{
+ width:100%;
+ box-sizing:border-box;
+ padding:16px;
+ display:flex;
+ align-items:center;
+ justify-content:space-between;
+ }
+
+:is(#editorCommentsSidebar #editorCommentsSidebarHeader) .commentCount{
+ display:flex;
+ align-items:baseline;
+ gap:6px;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ }
+
+:is(:is(#editorCommentsSidebar #editorCommentsSidebarHeader) .commentCount) #editorCommentsSidebarTitle{
+ font:menu;
+ font-style:normal;
+ font-weight:590;
+ line-height:normal;
+ font-size:17px;
+ color:var(--comment-fg-color);
+ }
+
+:is(:is(#editorCommentsSidebar #editorCommentsSidebarHeader) .commentCount) #editorCommentsSidebarCount{
+ padding:0 4px;
+ border-radius:4px;
+ background-color:var(--comment-count-bg-color);
+
+ color:var(--comment-fg-color);
+ text-align:center;
+
+ font:menu;
+ font-size:13px;
+ font-style:normal;
+ font-weight:400;
+ line-height:normal;
+ }
+
+:is(#editorCommentsSidebar #editorCommentsSidebarHeader) #editorCommentsSidebarCloseButton{
+ width:32px;
+ height:32px;
+ padding:8px;
+ border-radius:4px;
+ border:none;
+ background:none;
+ cursor:pointer;
+ }
+
+:is(:is(#editorCommentsSidebar #editorCommentsSidebarHeader) #editorCommentsSidebarCloseButton)::before{
+ content:"";
+ display:inline-block;
+ width:100%;
+ height:100%;
+ -webkit-mask-repeat:no-repeat;
+ mask-repeat:no-repeat;
+ -webkit-mask-position:center;
+ mask-position:center;
+ -webkit-mask-image:var(--comment-close-button-icon);
+ mask-image:var(--comment-close-button-icon);
+ background-color:var(--comment-fg-color);
+ }
+
+:is(:is(#editorCommentsSidebar #editorCommentsSidebarHeader) #editorCommentsSidebarCloseButton):hover{
+ background-color:var(--comment-hover-bg-color);
+ }
+
+:is(:is(#editorCommentsSidebar #editorCommentsSidebarHeader) #editorCommentsSidebarCloseButton):active{
+ background-color:var(--comment-active-bg-color);
+ }
+
+:is(:is(#editorCommentsSidebar #editorCommentsSidebarHeader) #editorCommentsSidebarCloseButton):focus-visible{
+ outline:var(--focus-ring-outline);
+ }
+
+:is(:is(#editorCommentsSidebar #editorCommentsSidebarHeader) #editorCommentsSidebarCloseButton) > span{
+ display:inline-block;
+ width:0;
+ height:0;
+ overflow:hidden;
+ }
+
+#editorCommentsSidebar #editorCommentsSidebarListContainer{
+ overflow:auto;
+ width:100%;
+ }
+
+:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList{
+ display:flex;
+ width:auto;
+ padding:4px 16px;
+ gap:10px;
+ align-items:flex-start;
+ flex-direction:column;
+ list-style-type:none;
+ }
+
+:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment{
+ display:flex;
+ width:auto;
+ padding:8px 16px 16px;
+ flex-direction:column;
+ align-items:flex-start;
+ align-self:stretch;
+ gap:4px;
+
+ border-radius:8px;
+ border:0.5px solid var(--comment-border-color);
+ background-color:var(--comment-bg-color);
+ }
+
+@media screen and (forced-colors: active){
+
+:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment):not(.noComments):hover{
+ background-color:var(--comment-hover-bg-color);
+ }
+ }
+
+:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment):not(.noComments):hover{
+ filter:var(--comment-hover-filter);
+ }
+
+:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment):not(.noComments):hover time::after{
+ display:inline-block;
+ background-color:var(--comment-indicator-hover-fg-color);
+ filter:var(--comment-indicator-hover-filter);
+ }
+
+@media screen and (forced-colors: active){
+
+:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment):not(.noComments):active{
+ background-color:var(--comment-active-bg-color);
+ }
+ }
+
+:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment):not(.noComments):active{
+ filter:var(--comment-active-filter);
+ }
+
+:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment):not(.noComments):active time::after{
+ display:inline-block;
+ background-color:var(--comment-indicator-active-fg-color);
+ filter:var(--comment-indicator-active-filter);
+ }
+
+:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment):not(.noComments):is(:focus,:focus-visible) time::after{
+ display:inline-block;
+ background-color:var(--comment-indicator-focus-fg-color);
+ }
+
+:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment):not(.noComments):focus-visible{
+ outline:2px solid var(--comment-focus-outline-color);
+ outline-offset:2px;
+ }
+
+.selected:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment):not(.noComments) .sidebarCommentText{
+ max-height:-moz-fit-content;
+ max-height:fit-content;
+ -webkit-line-clamp:unset;
+ }
+
+.selected:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment):not(.noComments) time::after{
+ display:inline-block;
+ background-color:var(--comment-indicator-selected-fg-color);
+ }
+
+:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment) .sidebarCommentText{
+ font:menu;
+ font-style:normal;
+ font-weight:400;
+ line-height:normal;
+ font-size:15px;
+ width:100%;
+ height:-moz-fit-content;
+ height:fit-content;
+ max-height:80px;
+ display:-webkit-box;
+ -webkit-box-orient:vertical;
+ -webkit-line-clamp:2;
+ overflow:hidden;
+ overflow-wrap:break-word;
+ }
+
+:is(:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment) .sidebarCommentText) .richText{
+ --total-scale-factor:1.5;
+ }
+
+.noComments:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment) .sidebarCommentText{
+ max-height:-moz-fit-content;
+ max-height:fit-content;
+ -webkit-line-clamp:unset;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ }
+
+.noComments:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment) a{
+ font:menu;
+ font-style:normal;
+ font-weight:400;
+ line-height:normal;
+ font-size:15px;
+ width:100%;
+ height:auto;
+ overflow-wrap:break-word;
+ margin-block-start:15px;
+ }
+
+:is(.noComments:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment) a):focus-visible{
+ outline:var(--focus-ring-outline);
+ }
+
+:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment) time{
+ width:100%;
+ display:inline-flex;
+ align-items:center;
+ justify-content:space-between;
+
+ font:menu;
+ font-style:normal;
+ font-weight:400;
+ line-height:normal;
+ font-size:13px;
+ }
+
+:is(:is(:is(:is(#editorCommentsSidebar #editorCommentsSidebarListContainer) #editorCommentsSidebarList) .sidebarComment) time)::after{
+ content:"";
+ display:none;
+ width:16px;
+ height:16px;
+ -webkit-mask-repeat:no-repeat;
+ mask-repeat:no-repeat;
+ -webkit-mask-position:center;
+ mask-position:center;
+ -webkit-mask-image:var(--comment-edit-button-icon);
+ mask-image:var(--comment-edit-button-icon);
+ transform:scaleX(var(--dir-factor));
+ }
+
+.commentPopup{
+ --csstools-color-scheme--light:initial;
+ color-scheme:light dark;
+
+ --csstools-light-dark-toggle--102:var(--csstools-color-scheme--light) #3a3944;
+
+ --divider-color:var(--csstools-light-dark-toggle--102, #cfcfd8);
+ --csstools-light-dark-toggle--103:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.2);
+ --csstools-light-dark-toggle--104:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.4);
+ --comment-shadow:0 0.5px 2px 0 var(--csstools-light-dark-toggle--103, rgb(0 0 0 / 0.05)), 0 4px 16px 0 var(--csstools-light-dark-toggle--104, rgb(0 0 0 / 0.1));
+}
+
+@supports (color: light-dark(red, red)){
+.commentPopup{
+
+ --divider-color:light-dark(#cfcfd8, #3a3944);
+}
+}
+
+@supports (color: light-dark(red, red)) and (color: rgb(0 0 0 / 0)){
+.commentPopup{
+ --comment-shadow:0 0.5px 2px 0 light-dark(rgb(0 0 0 / 0.05), rgb(0 0 0 / 0.2)), 0 4px 16px 0 light-dark(rgb(0 0 0 / 0.1), rgb(0 0 0 / 0.4));
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+.commentPopup *{
+
+ --csstools-light-dark-toggle--102:var(--csstools-color-scheme--light) #3a3944;
+
+ --divider-color:var(--csstools-light-dark-toggle--102, #cfcfd8);
+ --csstools-light-dark-toggle--103:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.2);
+ --csstools-light-dark-toggle--104:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.4);
+ --comment-shadow:0 0.5px 2px 0 var(--csstools-light-dark-toggle--103, rgb(0 0 0 / 0.05)), 0 4px 16px 0 var(--csstools-light-dark-toggle--104, rgb(0 0 0 / 0.1));
+ }
+}
+
+@media (prefers-color-scheme: dark){
+
+.commentPopup{
+ --csstools-color-scheme--light:;
+}
+}
+
+@media screen and (forced-colors: active){
+
+.commentPopup{
+ --divider-color:CanvasText;
+ --comment-shadow:none;
+}
+ }
+
+.commentPopup{
+
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:12px;
+ z-index:100001;
+ pointer-events:auto;
+ margin-top:2px;
+
+ border:0.5px solid var(--comment-border-color);
+ background:var(--comment-bg-color);
+ box-shadow:var(--comment-shadow);
+}
+
+.commentPopup:focus-visible{
+ outline:none;
+ }
+
+.commentPopup.dragging{
+ cursor:move !important;
+ }
+
+.commentPopup.dragging *{
+ cursor:move !important;
+ }
+
+.commentPopup.dragging button{
+ pointer-events:none !important;
+ }
+
+.commentPopup:not(.selected) .commentPopupButtons{
+ visibility:hidden !important;
+ }
+
+.commentPopup hr{
+ width:100%;
+ height:1px;
+ border:none;
+ border-top:1px solid var(--divider-color);
+ margin:0;
+ padding:0;
+ }
+
+.commentPopup .commentPopupTop{
+ display:flex;
+ width:100%;
+ height:auto;
+ padding-bottom:4px;
+ justify-content:space-between;
+ align-items:center;
+ align-self:stretch;
+ cursor:move;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ }
+
+:is(.commentPopup .commentPopupTop) .commentPopupTime{
+ font:menu;
+ font-style:normal;
+ font-weight:400;
+ line-height:normal;
+ font-size:13px;
+ color:var(--comment-date-fg-color);
+ }
+
+:is(.commentPopup .commentPopupTop) .commentPopupButtons{
+ display:flex;
+ align-items:center;
+ gap:2px;
+ cursor:default;
+ }
+
+:is(:is(.commentPopup .commentPopupTop) .commentPopupButtons) > button{
+ width:32px;
+ height:32px;
+ padding:8px;
+ border:var(--button-comment-border);
+ border-radius:4px;
+ background-color:var(--button-comment-bg);
+ color:var(--button-comment-color);
+ }
+
+:is(:is(:is(.commentPopup .commentPopupTop) .commentPopupButtons) > button):hover{
+ background-color:var(--button-comment-hover-bg);
+ }
+
+:is(:is(:is(.commentPopup .commentPopupTop) .commentPopupButtons) > button):hover::before{
+ background-color:var(--button-comment-hover-color);
+ }
+
+:is(:is(:is(.commentPopup .commentPopupTop) .commentPopupButtons) > button):active{
+ border:var(--button-comment-active-border);
+ background-color:var(--button-comment-active-bg);
+ color:var(--button-comment-active-color);
+ }
+
+:is(:is(:is(.commentPopup .commentPopupTop) .commentPopupButtons) > button):active::before{
+ background-color:var(--button-comment-active-color);
+ }
+
+:is(:is(:is(.commentPopup .commentPopupTop) .commentPopupButtons) > button):focus-visible{
+ background-color:var(--button-comment-hover-bg);
+ outline:2px solid var(--comment-focus-outline-color);
+ outline-offset:0;
+ }
+
+:is(:is(:is(.commentPopup .commentPopupTop) .commentPopupButtons) > button)::before{
+ content:"";
+ display:inline-block;
+ width:100%;
+ height:100%;
+ -webkit-mask-repeat:no-repeat;
+ mask-repeat:no-repeat;
+ -webkit-mask-position:center;
+ mask-position:center;
+ }
+
+.commentPopupEdit:is(:is(:is(.commentPopup .commentPopupTop) .commentPopupButtons) > button)::before{
+ -webkit-mask-image:var(--comment-popup-edit-button-icon);
+ mask-image:var(--comment-popup-edit-button-icon);
+ }
+
+.commentPopupDelete:is(:is(:is(.commentPopup .commentPopupTop) .commentPopupButtons) > button)::before{
+ -webkit-mask-image:var(--comment-popup-delete-button-icon);
+ mask-image:var(--comment-popup-delete-button-icon);
+ }
+
+.commentPopup .commentPopupText{
+ width:100%;
+ height:auto;
+
+ font:menu;
+ font-style:normal;
+ font-weight:400;
+ line-height:normal;
+ font-size:15px;
+ color:var(--comment-fg-color);
+ }
+
+.commentPopupText,
+.sidebarCommentText .richText{
+ margin-block:0;
+}
+
+:is(.commentPopupText,.sidebarCommentText .richText) p:first-of-type{
+ margin-block:0;
+ }
+
+:is(.commentPopupText,.sidebarCommentText .richText) > *{
+ white-space:pre-wrap;
+ font-size:max(15px, calc(10px * var(--total-scale-factor)));
+ overflow-wrap:break-word;
+ }
+
+:is(.commentPopupText,.sidebarCommentText .richText) span{
+ color:var(--comment-fg-color) !important;
+ }
+
+:root{
+ --editor-toolbar-vert-offset:6px;
+ --outline-width:2px;
+ --outline-color:#0060df;
+ --outline-around-width:1px;
+ --outline-around-color:#f0f0f4;
+ --hover-outline-around-color:var(--outline-around-color);
+ --focus-outline:solid var(--outline-width) var(--outline-color);
+ --unfocus-outline:solid var(--outline-width) transparent;
+ --focus-outline-around:solid var(--outline-around-width) var(--outline-around-color);
+ --hover-outline-color:#8f8f9d;
+ --hover-outline:solid var(--outline-width) var(--hover-outline-color);
+ --hover-outline-around:solid var(--outline-around-width) var(--hover-outline-around-color);
+ --freetext-line-height:1.35;
+ --freetext-padding:2px;
+ --resizer-bg-color:var(--outline-color);
+ --resizer-size:6px;
+ --resizer-shift:calc(
+ 0px - (var(--outline-width) + var(--resizer-size)) / 2 -
+ var(--outline-around-width)
+ );
+ --editorFreeText-editing-cursor:text;
+ --editorInk-editing-cursor:url(images/cursor-editorInk.svg) 0 16, pointer;
+ --editorHighlight-editing-cursor:url(images/cursor-editorTextHighlight.svg) 24 24, text;
+ --editorFreeHighlight-editing-cursor:url(images/cursor-editorFreeHighlight.svg) 1 18, pointer;
+
+ --new-alt-text-warning-image:url(images/altText_warning.svg);
+}
+
+.textLayer.highlighting{
+ cursor:var(--editorFreeHighlight-editing-cursor);
+ }
+
+.textLayer.highlighting:not(.free) span{
+ cursor:var(--editorHighlight-editing-cursor);
+ }
+
+[role="img"]:is(.textLayer.highlighting:not(.free) span){
+ cursor:var(--editorFreeHighlight-editing-cursor);
+ }
+
+.textLayer.highlighting.free span{
+ cursor:var(--editorFreeHighlight-editing-cursor);
+ }
+
+.page:has(.annotationEditorLayer.nonEditing)
+ .annotationLayer
+ .editorAnnotation{
+ position:absolute;
+ pointer-events:none;
+}
+
+:is(#viewerContainer.pdfPresentationMode:fullscreen,.annotationEditorLayer.disabled) .noAltTextBadge{
+ display:none !important;
+ }
+
+@media (min-resolution: 1.1dppx){
+ :root{
+ --editorFreeText-editing-cursor:url(images/cursor-editorFreeText.svg) 0 16, text;
+ }
+}
+
+@media screen and (forced-colors: active){
+ :root{
+ --outline-color:CanvasText;
+ --outline-around-color:ButtonFace;
+ --resizer-bg-color:ButtonText;
+ --hover-outline-color:Highlight;
+ --hover-outline-around-color:SelectedItemText;
+ }
+}
+
+[data-editor-rotation="90"]{
+ transform:rotate(90deg);
+}
+
+[data-editor-rotation="180"]{
+ transform:rotate(180deg);
+}
+
+[data-editor-rotation="270"]{
+ transform:rotate(270deg);
+}
+
+.annotationEditorLayer{
+ background:transparent;
+ position:absolute;
+ inset:0;
+ font-size:calc(100px * var(--total-scale-factor));
+ transform-origin:0 0;
+ cursor:auto;
+}
+
+.annotationEditorLayer .selectedEditor{
+ z-index:100000 !important;
+ }
+
+.annotationEditorLayer.drawing *{
+ pointer-events:none !important;
+ }
+
+.annotationEditorLayer.getElements{
+ pointer-events:auto !important;
+ }
+
+.annotationEditorLayer.getElements > div{
+ pointer-events:auto !important;
+ }
+
+.annotationEditorLayer.waiting{
+ content:"";
+ cursor:wait;
+ position:absolute;
+ inset:0;
+ width:100%;
+ height:100%;
+}
+
+.annotationEditorLayer.disabled{
+ pointer-events:none;
+}
+
+.annotationEditorLayer.disabled.highlightEditing :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor,.commentPopup){
+ pointer-events:auto;
+ }
+
+.annotationEditorLayer.freetextEditing{
+ cursor:var(--editorFreeText-editing-cursor);
+}
+
+.annotationEditorLayer.inkEditing{
+ cursor:var(--editorInk-editing-cursor);
+}
+
+.annotationEditorLayer .draw{
+ box-sizing:border-box;
+}
+
+.annotationEditorLayer
+ :is(.freeTextEditor, .inkEditor, .stampEditor, .signatureEditor){
+ position:absolute;
+ background:transparent;
+ z-index:1;
+ transform-origin:0 0;
+ cursor:auto;
+ max-width:100%;
+ max-height:100%;
+ border:var(--unfocus-outline);
+}
+
+.draggable.selectedEditor:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)){
+ cursor:move;
+ }
+
+.selectedEditor:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)){
+ border:var(--focus-outline);
+ outline:var(--focus-outline-around);
+ }
+
+.selectedEditor:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor))::before{
+ content:"";
+ position:absolute;
+ inset:0;
+ border:var(--focus-outline-around);
+ pointer-events:none;
+ }
+
+:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)):hover:not(.selectedEditor){
+ border:var(--hover-outline);
+ outline:var(--hover-outline-around);
+ }
+
+:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)):hover:not(.selectedEditor)::before{
+ content:"";
+ position:absolute;
+ inset:0;
+ border:var(--focus-outline-around);
+ }
+
+:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar{
+ --editor-toolbar-delete-image:url(images/editor-toolbar-delete.svg);
+ --csstools-light-dark-toggle--105:var(--csstools-color-scheme--light) #2b2a33;
+ --editor-toolbar-bg-color:var(--csstools-light-dark-toggle--105, #f0f0f4);
+ --editor-toolbar-highlight-image:url(images/toolbarButton-editorHighlight.svg);
+ --csstools-light-dark-toggle--106:var(--csstools-color-scheme--light) #fbfbfe;
+ --editor-toolbar-fg-color:var(--csstools-light-dark-toggle--106, #2e2e56);
+ --editor-toolbar-border-color:#8f8f9d;
+ --editor-toolbar-hover-border-color:var(--editor-toolbar-border-color);
+ --csstools-light-dark-toggle--107:var(--csstools-color-scheme--light) #52525e;
+ --editor-toolbar-hover-bg-color:var(--csstools-light-dark-toggle--107, #e0e0e6);
+ --editor-toolbar-hover-fg-color:var(--editor-toolbar-fg-color);
+ --editor-toolbar-hover-outline:none;
+ --csstools-light-dark-toggle--108:var(--csstools-color-scheme--light) #0df;
+ --editor-toolbar-focus-outline-color:var(--csstools-light-dark-toggle--108, #0060df);
+ --editor-toolbar-shadow:0 2px 6px 0 rgb(58 57 68 / 0.2);
+ --editor-toolbar-height:28px;
+ --editor-toolbar-padding:2px;
+ --csstools-light-dark-toggle--109:var(--csstools-color-scheme--light) #54ffbd;
+ --alt-text-done-color:var(--csstools-light-dark-toggle--109, #2ac3a2);
+ --csstools-light-dark-toggle--110:var(--csstools-color-scheme--light) #80ebff;
+ --alt-text-warning-color:var(--csstools-light-dark-toggle--110, #0090ed);
+ --alt-text-hover-done-color:var(--alt-text-done-color);
+ --alt-text-hover-warning-color:var(--alt-text-warning-color);
+ }
+
+@supports (color: light-dark(red, red)){
+:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar{
+ --editor-toolbar-bg-color:light-dark(#f0f0f4, #2b2a33);
+ --editor-toolbar-fg-color:light-dark(#2e2e56, #fbfbfe);
+ --editor-toolbar-hover-bg-color:light-dark(#e0e0e6, #52525e);
+ --editor-toolbar-focus-outline-color:light-dark(#0060df, #0df);
+ --alt-text-done-color:light-dark(#2ac3a2, #54ffbd);
+ --alt-text-warning-color:light-dark(#0090ed, #80ebff);
+ }
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) *{
+ --csstools-light-dark-toggle--105:var(--csstools-color-scheme--light) #2b2a33;
+ --editor-toolbar-bg-color:var(--csstools-light-dark-toggle--105, #f0f0f4);
+ --csstools-light-dark-toggle--106:var(--csstools-color-scheme--light) #fbfbfe;
+ --editor-toolbar-fg-color:var(--csstools-light-dark-toggle--106, #2e2e56);
+ --csstools-light-dark-toggle--107:var(--csstools-color-scheme--light) #52525e;
+ --editor-toolbar-hover-bg-color:var(--csstools-light-dark-toggle--107, #e0e0e6);
+ --csstools-light-dark-toggle--108:var(--csstools-color-scheme--light) #0df;
+ --editor-toolbar-focus-outline-color:var(--csstools-light-dark-toggle--108, #0060df);
+ --csstools-light-dark-toggle--109:var(--csstools-color-scheme--light) #54ffbd;
+ --alt-text-done-color:var(--csstools-light-dark-toggle--109, #2ac3a2);
+ --csstools-light-dark-toggle--110:var(--csstools-color-scheme--light) #80ebff;
+ --alt-text-warning-color:var(--csstools-light-dark-toggle--110, #0090ed);
+ }
+}
+
+@media screen and (forced-colors: active){
+
+:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar{
+ --editor-toolbar-bg-color:ButtonFace;
+ --editor-toolbar-fg-color:ButtonText;
+ --editor-toolbar-border-color:ButtonText;
+ --editor-toolbar-hover-border-color:AccentColor;
+ --editor-toolbar-hover-bg-color:ButtonFace;
+ --editor-toolbar-hover-fg-color:AccentColor;
+ --editor-toolbar-hover-outline:2px solid var(--editor-toolbar-hover-border-color);
+ --editor-toolbar-focus-outline-color:ButtonBorder;
+ --editor-toolbar-shadow:none;
+ --alt-text-done-color:var(--editor-toolbar-fg-color);
+ --alt-text-warning-color:var(--editor-toolbar-fg-color);
+ --alt-text-hover-done-color:var(--editor-toolbar-hover-fg-color);
+ --alt-text-hover-warning-color:var(--editor-toolbar-hover-fg-color);
+ }
+ }
+
+:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar{
+
+ display:flex;
+ width:-moz-fit-content;
+ width:fit-content;
+ height:var(--editor-toolbar-height);
+ flex-direction:column;
+ justify-content:center;
+ align-items:center;
+ cursor:default;
+ pointer-events:auto;
+ box-sizing:content-box;
+ padding:var(--editor-toolbar-padding);
+
+ position:absolute;
+ inset-inline-end:0;
+ inset-block-start:calc(100% + var(--editor-toolbar-vert-offset));
+
+ border-radius:6px;
+ background-color:var(--editor-toolbar-bg-color);
+ border:1px solid var(--editor-toolbar-border-color);
+ box-shadow:var(--editor-toolbar-shadow);
+ }
+
+.hidden:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar){
+ display:none;
+ }
+
+:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar):has(:focus-visible){
+ border-color:transparent;
+ }
+
+[dir="ltr"] :is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar){
+ transform-origin:100% 0;
+ }
+
+[dir="rtl"] :is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar){
+ transform-origin:0 0;
+ }
+
+:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons{
+ display:flex;
+ justify-content:center;
+ align-items:center;
+ gap:0;
+ height:100%;
+ }
+
+:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) button{
+ padding:0;
+ }
+
+:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .divider{
+ width:0;
+ height:calc(
+ 2 * var(--editor-toolbar-padding) + var(--editor-toolbar-height)
+ );
+ border-left:1px solid var(--editor-toolbar-border-color);
+ border-right:none;
+ display:inline-block;
+ margin-inline:2px;
+ }
+
+:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .basic{
+ width:var(--editor-toolbar-height);
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .basic)::before{
+ content:"";
+ -webkit-mask-repeat:no-repeat;
+ mask-repeat:no-repeat;
+ -webkit-mask-position:center;
+ mask-position:center;
+ display:inline-block;
+ background-color:var(--editor-toolbar-fg-color);
+ width:100%;
+ height:100%;
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .basic):hover::before{
+ background-color:var(--editor-toolbar-hover-fg-color);
+ }
+
+.highlightButton:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .basic)::before{
+ -webkit-mask-image:var(--editor-toolbar-highlight-image);
+ mask-image:var(--editor-toolbar-highlight-image);
+ }
+
+.commentButton:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .basic)::before{
+ -webkit-mask-image:var(--comment-edit-button-icon);
+ mask-image:var(--comment-edit-button-icon);
+ }
+
+.deleteButton:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .basic)::before{
+ -webkit-mask-image:var(--editor-toolbar-delete-image);
+ mask-image:var(--editor-toolbar-delete-image);
+ }
+
+:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) > *{
+ height:var(--editor-toolbar-height);
+ }
+
+:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) > :not(.divider){
+ border:none;
+ background-color:transparent;
+ cursor:pointer;
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) > :not(.divider)):hover{
+ border-radius:2px;
+ background-color:var(--editor-toolbar-hover-bg-color);
+ color:var(--editor-toolbar-hover-fg-color);
+ outline:var(--editor-toolbar-hover-outline);
+ outline-offset:1px;
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) > :not(.divider)):hover:active{
+ outline:none;
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) > :not(.divider)):focus-visible{
+ border-radius:2px;
+ outline:2px solid var(--editor-toolbar-focus-outline-color);
+ }
+
+:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText{
+ --alt-text-add-image:url(images/altText_add.svg);
+ --alt-text-done-image:url(images/altText_done.svg);
+
+ display:flex;
+ align-items:center;
+ justify-content:center;
+ width:-moz-max-content;
+ width:max-content;
+ padding-inline:8px;
+ pointer-events:all;
+ font:menu;
+ font-weight:590;
+ font-size:12px;
+ color:var(--editor-toolbar-fg-color);
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText):disabled{
+ pointer-events:none;
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText)::before{
+ content:"";
+ -webkit-mask-image:var(--alt-text-add-image);
+ mask-image:var(--alt-text-add-image);
+ -webkit-mask-repeat:no-repeat;
+ mask-repeat:no-repeat;
+ -webkit-mask-position:center;
+ mask-position:center;
+ display:inline-block;
+ width:12px;
+ height:13px;
+ background-color:var(--editor-toolbar-fg-color);
+ margin-inline-end:4px;
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText):hover::before{
+ background-color:var(--editor-toolbar-hover-fg-color);
+ }
+
+.done:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText)::before{
+ -webkit-mask-image:var(--alt-text-done-image);
+ mask-image:var(--alt-text-done-image);
+ }
+
+.new:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText)::before{
+ width:16px;
+ height:16px;
+ -webkit-mask-image:var(--new-alt-text-warning-image);
+ mask-image:var(--new-alt-text-warning-image);
+ background-color:var(--alt-text-warning-color);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ }
+
+.new:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText):hover::before{
+ background-color:var(--alt-text-hover-warning-color);
+ }
+
+.new.done:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText)::before{
+ -webkit-mask-image:var(--alt-text-done-image);
+ mask-image:var(--alt-text-done-image);
+ background-color:var(--alt-text-done-color);
+ }
+
+.new.done:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText):hover::before{
+ background-color:var(--alt-text-hover-done-color);
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText) .tooltip{
+ display:none;
+ word-wrap:anywhere;
+ }
+
+.show:is(:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText) .tooltip){
+ --csstools-light-dark-toggle--111:var(--csstools-color-scheme--light) #1c1b22;
+ --alt-text-tooltip-bg:var(--csstools-light-dark-toggle--111, #f0f0f4);
+ --csstools-light-dark-toggle--112:var(--csstools-color-scheme--light) #fbfbfe;
+ --alt-text-tooltip-fg:var(--csstools-light-dark-toggle--112, #15141a);
+ --alt-text-tooltip-border:#8f8f9d;
+ --csstools-light-dark-toggle--113:var(--csstools-color-scheme--light) #15141a;
+ --alt-text-tooltip-shadow:0 2px 6px 0 var(--csstools-light-dark-toggle--113, rgb(58 57 68 / 0.2));
+ }
+
+@supports (color: light-dark(red, red)){
+.show:is(:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText) .tooltip){
+ --alt-text-tooltip-bg:light-dark(#f0f0f4, #1c1b22);
+ --alt-text-tooltip-fg:light-dark(#15141a, #fbfbfe);
+ }
+}
+
+@supports (color: light-dark(red, red)) and (color: rgb(0 0 0 / 0)){
+.show:is(:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText) .tooltip){
+ --alt-text-tooltip-shadow:0 2px 6px 0 light-dark(rgb(58 57 68 / 0.2), #15141a);
+ }
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+.show:is(:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText) .tooltip) *{
+ --csstools-light-dark-toggle--111:var(--csstools-color-scheme--light) #1c1b22;
+ --alt-text-tooltip-bg:var(--csstools-light-dark-toggle--111, #f0f0f4);
+ --csstools-light-dark-toggle--112:var(--csstools-color-scheme--light) #fbfbfe;
+ --alt-text-tooltip-fg:var(--csstools-light-dark-toggle--112, #15141a);
+ --csstools-light-dark-toggle--113:var(--csstools-color-scheme--light) #15141a;
+ --alt-text-tooltip-shadow:0 2px 6px 0 var(--csstools-light-dark-toggle--113, rgb(58 57 68 / 0.2));
+ }
+}
+
+@media screen and (forced-colors: active){
+
+.show:is(:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText) .tooltip){
+ --alt-text-tooltip-bg:Canvas;
+ --alt-text-tooltip-fg:CanvasText;
+ --alt-text-tooltip-border:CanvasText;
+ --alt-text-tooltip-shadow:none;
+ }
+ }
+
+.show:is(:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .altText) .tooltip){
+
+ display:inline-flex;
+ flex-direction:column;
+ align-items:center;
+ justify-content:center;
+ position:absolute;
+ top:calc(100% + 2px);
+ inset-inline-start:0;
+ padding-block:2px 3px;
+ padding-inline:3px;
+ max-width:300px;
+ width:-moz-max-content;
+ width:max-content;
+ height:auto;
+ font-size:12px;
+
+ border:0.5px solid var(--alt-text-tooltip-border);
+ background:var(--alt-text-tooltip-bg);
+ box-shadow:var(--alt-text-tooltip-shadow);
+ color:var(--alt-text-tooltip-fg);
+
+ pointer-events:none;
+ }
+
+:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .comment{
+ width:var(--editor-toolbar-height);
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.highlightEditor,.signatureEditor),.textLayer) .editToolbar) .buttons) .comment)::before{
+ content:"";
+ -webkit-mask-image:var(--comment-edit-button-icon);
+ mask-image:var(--comment-edit-button-icon);
+ -webkit-mask-repeat:no-repeat;
+ mask-repeat:no-repeat;
+ -webkit-mask-position:center;
+ mask-position:center;
+ display:inline-block;
+ background-color:var(--editor-toolbar-fg-color);
+ width:100%;
+ height:100%;
+ }
+
+.annotationEditorLayer .freeTextEditor{
+ padding:calc(var(--freetext-padding) * var(--total-scale-factor));
+ width:auto;
+ height:auto;
+ touch-action:none;
+}
+
+.annotationEditorLayer .freeTextEditor .internal{
+ background:transparent;
+ border:none;
+ inset:0;
+ overflow:visible;
+ white-space:nowrap;
+ font:10px sans-serif;
+ line-height:var(--freetext-line-height);
+ text-align:start;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+}
+
+.annotationEditorLayer .freeTextEditor .overlay{
+ position:absolute;
+ display:none;
+ background:transparent;
+ inset:0;
+ width:100%;
+ height:100%;
+}
+
+.annotationEditorLayer freeTextEditor .overlay.enabled{
+ display:block;
+}
+
+.annotationEditorLayer .freeTextEditor .internal:empty::before{
+ content:attr(default-content);
+ color:gray;
+}
+
+.annotationEditorLayer .freeTextEditor .internal:focus{
+ outline:none;
+ -webkit-user-select:auto;
+ -moz-user-select:auto;
+ user-select:auto;
+}
+
+.annotationEditorLayer .inkEditor{
+ width:100%;
+ height:100%;
+}
+
+.annotationEditorLayer .inkEditor.editing{
+ cursor:inherit;
+}
+
+.annotationEditorLayer .inkEditor .inkEditorCanvas{
+ position:absolute;
+ inset:0;
+ width:100%;
+ height:100%;
+ touch-action:none;
+}
+
+.annotationEditorLayer .stampEditor{
+ width:auto;
+ height:auto;
+}
+
+:is(.annotationEditorLayer .stampEditor) canvas{
+ position:absolute;
+ width:100%;
+ height:100%;
+ margin:0;
+ top:0;
+ left:0;
+ }
+
+:is(.annotationEditorLayer .stampEditor) .noAltTextBadge{
+ --csstools-light-dark-toggle--114:var(--csstools-color-scheme--light) #52525e;
+ --no-alt-text-badge-border-color:var(--csstools-light-dark-toggle--114, #f0f0f4);
+ --csstools-light-dark-toggle--115:var(--csstools-color-scheme--light) #fbfbfe;
+ --no-alt-text-badge-bg-color:var(--csstools-light-dark-toggle--115, #cfcfd8);
+ --csstools-light-dark-toggle--116:var(--csstools-color-scheme--light) #15141a;
+ --no-alt-text-badge-fg-color:var(--csstools-light-dark-toggle--116, #5b5b66);
+ }
+
+@supports (color: light-dark(red, red)){
+:is(.annotationEditorLayer .stampEditor) .noAltTextBadge{
+ --no-alt-text-badge-border-color:light-dark(#f0f0f4, #52525e);
+ --no-alt-text-badge-bg-color:light-dark(#cfcfd8, #fbfbfe);
+ --no-alt-text-badge-fg-color:light-dark(#5b5b66, #15141a);
+ }
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+:is(:is(.annotationEditorLayer .stampEditor) .noAltTextBadge) *{
+ --csstools-light-dark-toggle--114:var(--csstools-color-scheme--light) #52525e;
+ --no-alt-text-badge-border-color:var(--csstools-light-dark-toggle--114, #f0f0f4);
+ --csstools-light-dark-toggle--115:var(--csstools-color-scheme--light) #fbfbfe;
+ --no-alt-text-badge-bg-color:var(--csstools-light-dark-toggle--115, #cfcfd8);
+ --csstools-light-dark-toggle--116:var(--csstools-color-scheme--light) #15141a;
+ --no-alt-text-badge-fg-color:var(--csstools-light-dark-toggle--116, #5b5b66);
+ }
+}
+
+@media screen and (forced-colors: active){
+
+:is(.annotationEditorLayer .stampEditor) .noAltTextBadge{
+ --no-alt-text-badge-border-color:ButtonText;
+ --no-alt-text-badge-bg-color:ButtonFace;
+ --no-alt-text-badge-fg-color:ButtonText;
+ }
+ }
+
+:is(.annotationEditorLayer .stampEditor) .noAltTextBadge{
+
+ position:absolute;
+ inset-inline-end:5px;
+ inset-block-end:5px;
+ display:inline-flex;
+ width:32px;
+ height:32px;
+ padding:3px;
+ justify-content:center;
+ align-items:center;
+ pointer-events:none;
+ z-index:1;
+
+ border-radius:2px;
+ border:1px solid var(--no-alt-text-badge-border-color);
+ background:var(--no-alt-text-badge-bg-color);
+ }
+
+:is(:is(.annotationEditorLayer .stampEditor) .noAltTextBadge)::before{
+ content:"";
+ display:inline-block;
+ width:16px;
+ height:16px;
+ -webkit-mask-image:var(--new-alt-text-warning-image);
+ mask-image:var(--new-alt-text-warning-image);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ background-color:var(--no-alt-text-badge-fg-color);
+ }
+
+:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)) > .resizers{
+ position:absolute;
+ inset:0;
+ z-index:1;
+ }
+
+.hidden:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)) > .resizers){
+ display:none;
+ }
+
+:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)) > .resizers) > .resizer{
+ width:var(--resizer-size);
+ height:var(--resizer-size);
+ background:content-box var(--resizer-bg-color);
+ border:var(--focus-outline-around);
+ border-radius:2px;
+ position:absolute;
+ }
+
+.topLeft:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)) > .resizers) > .resizer){
+ top:var(--resizer-shift);
+ left:var(--resizer-shift);
+ }
+
+.topMiddle:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)) > .resizers) > .resizer){
+ top:var(--resizer-shift);
+ left:calc(50% + var(--resizer-shift));
+ }
+
+.topRight:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)) > .resizers) > .resizer){
+ top:var(--resizer-shift);
+ right:var(--resizer-shift);
+ }
+
+.middleRight:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)) > .resizers) > .resizer){
+ top:calc(50% + var(--resizer-shift));
+ right:var(--resizer-shift);
+ }
+
+.bottomRight:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)) > .resizers) > .resizer){
+ bottom:var(--resizer-shift);
+ right:var(--resizer-shift);
+ }
+
+.bottomMiddle:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)) > .resizers) > .resizer){
+ bottom:var(--resizer-shift);
+ left:calc(50% + var(--resizer-shift));
+ }
+
+.bottomLeft:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)) > .resizers) > .resizer){
+ bottom:var(--resizer-shift);
+ left:var(--resizer-shift);
+ }
+
+.middleLeft:is(:is(:is(.annotationEditorLayer :is(.freeTextEditor,.inkEditor,.stampEditor,.signatureEditor)) > .resizers) > .resizer){
+ top:calc(50% + var(--resizer-shift));
+ left:var(--resizer-shift);
+ }
+
+.topLeft:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="180"],[data-editor-rotation="0"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="90"],[data-editor-rotation="270"])) > .resizers > .resizer),.bottomRight:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="180"],[data-editor-rotation="0"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="90"],[data-editor-rotation="270"])) > .resizers > .resizer){
+ cursor:nwse-resize;
+ }
+
+.topMiddle:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="180"],[data-editor-rotation="0"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="90"],[data-editor-rotation="270"])) > .resizers > .resizer),.bottomMiddle:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="180"],[data-editor-rotation="0"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="90"],[data-editor-rotation="270"])) > .resizers > .resizer){
+ cursor:ns-resize;
+ }
+
+.topRight:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="180"],[data-editor-rotation="0"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="90"],[data-editor-rotation="270"])) > .resizers > .resizer),.bottomLeft:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="180"],[data-editor-rotation="0"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="90"],[data-editor-rotation="270"])) > .resizers > .resizer){
+ cursor:nesw-resize;
+ }
+
+.middleRight:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="180"],[data-editor-rotation="0"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="90"],[data-editor-rotation="270"])) > .resizers > .resizer),.middleLeft:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="180"],[data-editor-rotation="0"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="90"],[data-editor-rotation="270"])) > .resizers > .resizer){
+ cursor:ew-resize;
+ }
+
+.topLeft:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="90"],[data-editor-rotation="270"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="180"],[data-editor-rotation="0"])) > .resizers > .resizer),.bottomRight:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="90"],[data-editor-rotation="270"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="180"],[data-editor-rotation="0"])) > .resizers > .resizer){
+ cursor:nesw-resize;
+ }
+
+.topMiddle:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="90"],[data-editor-rotation="270"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="180"],[data-editor-rotation="0"])) > .resizers > .resizer),.bottomMiddle:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="90"],[data-editor-rotation="270"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="180"],[data-editor-rotation="0"])) > .resizers > .resizer){
+ cursor:ew-resize;
+ }
+
+.topRight:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="90"],[data-editor-rotation="270"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="180"],[data-editor-rotation="0"])) > .resizers > .resizer),.bottomLeft:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="90"],[data-editor-rotation="270"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="180"],[data-editor-rotation="0"])) > .resizers > .resizer){
+ cursor:nwse-resize;
+ }
+
+.middleRight:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="90"],[data-editor-rotation="270"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="180"],[data-editor-rotation="0"])) > .resizers > .resizer),.middleLeft:is(:is(.annotationEditorLayer[data-main-rotation="0"] :is([data-editor-rotation="90"],[data-editor-rotation="270"]),.annotationEditorLayer[data-main-rotation="90"] :is([data-editor-rotation="0"],[data-editor-rotation="180"]),.annotationEditorLayer[data-main-rotation="180"] :is([data-editor-rotation="270"],[data-editor-rotation="90"]),.annotationEditorLayer[data-main-rotation="270"] :is([data-editor-rotation="180"],[data-editor-rotation="0"])) > .resizers > .resizer){
+ cursor:ns-resize;
+ }
+
+:is(.annotationEditorLayer :is([data-main-rotation="0"] [data-editor-rotation="90"],[data-main-rotation="90"] [data-editor-rotation="0"],[data-main-rotation="180"] [data-editor-rotation="270"],[data-main-rotation="270"] [data-editor-rotation="180"])) .editToolbar{
+ rotate:270deg;
+ }
+
+[dir="ltr"] :is(:is(.annotationEditorLayer :is([data-main-rotation="0"] [data-editor-rotation="90"],[data-main-rotation="90"] [data-editor-rotation="0"],[data-main-rotation="180"] [data-editor-rotation="270"],[data-main-rotation="270"] [data-editor-rotation="180"])) .editToolbar){
+ inset-inline-end:calc(0px - var(--editor-toolbar-vert-offset));
+ inset-block-start:0;
+ }
+
+[dir="rtl"] :is(:is(.annotationEditorLayer :is([data-main-rotation="0"] [data-editor-rotation="90"],[data-main-rotation="90"] [data-editor-rotation="0"],[data-main-rotation="180"] [data-editor-rotation="270"],[data-main-rotation="270"] [data-editor-rotation="180"])) .editToolbar){
+ inset-inline-end:calc(100% + var(--editor-toolbar-vert-offset));
+ inset-block-start:0;
+ }
+
+:is(.annotationEditorLayer :is([data-main-rotation="0"] [data-editor-rotation="180"],[data-main-rotation="90"] [data-editor-rotation="90"],[data-main-rotation="180"] [data-editor-rotation="0"],[data-main-rotation="270"] [data-editor-rotation="270"])) .editToolbar{
+ rotate:180deg;
+ inset-inline-end:100%;
+ inset-block-start:calc(0px - var(--editor-toolbar-vert-offset));
+ }
+
+:is(.annotationEditorLayer :is([data-main-rotation="0"] [data-editor-rotation="270"],[data-main-rotation="90"] [data-editor-rotation="180"],[data-main-rotation="180"] [data-editor-rotation="90"],[data-main-rotation="270"] [data-editor-rotation="0"])) .editToolbar{
+ rotate:90deg;
+ }
+
+[dir="ltr"] :is(:is(.annotationEditorLayer :is([data-main-rotation="0"] [data-editor-rotation="270"],[data-main-rotation="90"] [data-editor-rotation="180"],[data-main-rotation="180"] [data-editor-rotation="90"],[data-main-rotation="270"] [data-editor-rotation="0"])) .editToolbar){
+ inset-inline-end:calc(100% + var(--editor-toolbar-vert-offset));
+ inset-block-start:100%;
+ }
+
+[dir="rtl"] :is(:is(.annotationEditorLayer :is([data-main-rotation="0"] [data-editor-rotation="270"],[data-main-rotation="90"] [data-editor-rotation="180"],[data-main-rotation="180"] [data-editor-rotation="90"],[data-main-rotation="270"] [data-editor-rotation="0"])) .editToolbar){
+ inset-inline-start:calc(0px - var(--editor-toolbar-vert-offset));
+ inset-block-start:0;
+ }
+
+.dialog.altText::backdrop{
+ -webkit-mask:url(#alttext-manager-mask);
+ mask:url(#alttext-manager-mask);
+ }
+
+.dialog.altText.positioned{
+ margin:0;
+ }
+
+.dialog.altText #altTextContainer{
+ width:300px;
+ height:-moz-fit-content;
+ height:fit-content;
+ display:inline-flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:16px;
+ }
+
+:is(.dialog.altText #altTextContainer) #overallDescription{
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:4px;
+ align-self:stretch;
+ }
+
+:is(:is(.dialog.altText #altTextContainer) #overallDescription) span{
+ align-self:stretch;
+ }
+
+:is(:is(.dialog.altText #altTextContainer) #overallDescription) .title{
+ font-size:13px;
+ font-style:normal;
+ font-weight:590;
+ }
+
+:is(.dialog.altText #altTextContainer) #addDescription{
+ display:flex;
+ flex-direction:column;
+ align-items:stretch;
+ gap:8px;
+ }
+
+:is(:is(.dialog.altText #altTextContainer) #addDescription) .descriptionArea{
+ flex:1;
+ padding-inline:24px 10px;
+ }
+
+:is(:is(:is(.dialog.altText #altTextContainer) #addDescription) .descriptionArea) textarea{
+ width:100%;
+ min-height:75px;
+ }
+
+:is(.dialog.altText #altTextContainer) #buttons{
+ display:flex;
+ justify-content:flex-end;
+ align-items:flex-start;
+ gap:8px;
+ align-self:stretch;
+ }
+
+.dialog.newAltText{
+ --new-alt-text-ai-disclaimer-icon:url(images/altText_disclaimer.svg);
+ --new-alt-text-spinner-icon:url(images/altText_spinner.svg);
+ --csstools-light-dark-toggle--117:var(--csstools-color-scheme--light) #2b2a33;
+ --preview-image-bg-color:var(--csstools-light-dark-toggle--117, #f0f0f4);
+ --preview-image-border:none;
+}
+
+@supports (color: light-dark(red, red)){
+.dialog.newAltText{
+ --preview-image-bg-color:light-dark(#f0f0f4, #2b2a33);
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+.dialog.newAltText *{
+ --csstools-light-dark-toggle--117:var(--csstools-color-scheme--light) #2b2a33;
+ --preview-image-bg-color:var(--csstools-light-dark-toggle--117, #f0f0f4);
+ }
+}
+
+@media screen and (forced-colors: active){
+
+.dialog.newAltText{
+ --preview-image-bg-color:ButtonFace;
+ --preview-image-border:1px solid ButtonText;
+}
+ }
+
+.dialog.newAltText{
+
+ width:80%;
+ max-width:570px;
+ min-width:300px;
+ padding:0;
+}
+
+.dialog.newAltText.noAi #newAltTextDisclaimer,.dialog.newAltText.noAi #newAltTextCreateAutomatically{
+ display:none !important;
+ }
+
+.dialog.newAltText.aiInstalling #newAltTextCreateAutomatically{
+ display:none !important;
+ }
+
+.dialog.newAltText.aiInstalling #newAltTextDownloadModel{
+ display:flex !important;
+ }
+
+.dialog.newAltText.error #newAltTextNotNow{
+ display:none !important;
+ }
+
+.dialog.newAltText.error #newAltTextCancel{
+ display:inline-block !important;
+ }
+
+.dialog.newAltText:not(.error) #newAltTextError{
+ display:none !important;
+ }
+
+.dialog.newAltText #newAltTextContainer{
+ display:flex;
+ width:auto;
+ padding:16px;
+ flex-direction:column;
+ justify-content:flex-end;
+ align-items:flex-start;
+ gap:12px;
+ flex:0 1 auto;
+ line-height:normal;
+ }
+
+:is(.dialog.newAltText #newAltTextContainer) #mainContent{
+ display:flex;
+ justify-content:flex-end;
+ align-items:flex-start;
+ gap:12px;
+ align-self:stretch;
+ flex:1 1 auto;
+ }
+
+:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionAndSettings{
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:16px;
+ flex:1 0 0;
+ align-self:stretch;
+ }
+
+:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction{
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:8px;
+ align-self:stretch;
+ flex:1 1 auto;
+ }
+
+:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction) #newAltTextDescriptionContainer{
+ width:100%;
+ height:70px;
+ position:relative;
+ }
+
+:is(:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction) #newAltTextDescriptionContainer) textarea{
+ width:100%;
+ height:100%;
+ padding:8px;
+ }
+
+:is(:is(:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction) #newAltTextDescriptionContainer) textarea)::-moz-placeholder{
+ color:var(--text-secondary-color);
+ }
+
+:is(:is(:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction) #newAltTextDescriptionContainer) textarea)::placeholder{
+ color:var(--text-secondary-color);
+ }
+
+:is(:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction) #newAltTextDescriptionContainer) .altTextSpinner{
+ display:none;
+ position:absolute;
+ width:16px;
+ height:16px;
+ inset-inline-start:8px;
+ inset-block-start:8px;
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ background-color:var(--text-secondary-color);
+ pointer-events:none;
+ }
+
+.loading:is(:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction) #newAltTextDescriptionContainer) textarea::-moz-placeholder{
+ color:transparent;
+ }
+
+.loading:is(:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction) #newAltTextDescriptionContainer) textarea::placeholder{
+ color:transparent;
+ }
+
+.loading:is(:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction) #newAltTextDescriptionContainer) .altTextSpinner{
+ display:inline-block;
+ -webkit-mask-image:var(--new-alt-text-spinner-icon);
+ mask-image:var(--new-alt-text-spinner-icon);
+ }
+
+:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction) #newAltTextDescription{
+ font-size:11px;
+ }
+
+:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction) #newAltTextDisclaimer{
+ display:flex;
+ flex-direction:row;
+ align-items:flex-start;
+ gap:4px;
+ font-size:11px;
+ }
+
+:is(:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #descriptionInstruction) #newAltTextDisclaimer)::before{
+ content:"";
+ display:inline-block;
+ width:17px;
+ height:16px;
+ -webkit-mask-image:var(--new-alt-text-ai-disclaimer-icon);
+ mask-image:var(--new-alt-text-ai-disclaimer-icon);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ background-color:var(--text-secondary-color);
+ flex:1 0 auto;
+ }
+
+:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #newAltTextDownloadModel{
+ display:flex;
+ align-items:center;
+ gap:4px;
+ align-self:stretch;
+ }
+
+:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #newAltTextDownloadModel)::before{
+ content:"";
+ display:inline-block;
+ width:16px;
+ height:16px;
+ -webkit-mask-image:var(--new-alt-text-spinner-icon);
+ mask-image:var(--new-alt-text-spinner-icon);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ background-color:var(--text-secondary-color);
+ }
+
+:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #newAltTextImagePreview{
+ width:180px;
+ aspect-ratio:1;
+ display:flex;
+ justify-content:center;
+ align-items:center;
+ flex:0 0 auto;
+ background-color:var(--preview-image-bg-color);
+ border:var(--preview-image-border);
+ }
+
+:is(:is(:is(.dialog.newAltText #newAltTextContainer) #mainContent) #newAltTextImagePreview) > canvas{
+ max-width:100%;
+ max-height:100%;
+ }
+
+.colorPicker{
+ --csstools-light-dark-toggle--118:var(--csstools-color-scheme--light) #80ebff;
+ --hover-outline-color:var(--csstools-light-dark-toggle--118, #0250bb);
+ --csstools-light-dark-toggle--119:var(--csstools-color-scheme--light) #aaf2ff;
+ --selected-outline-color:var(--csstools-light-dark-toggle--119, #0060df);
+ --csstools-light-dark-toggle--120:var(--csstools-color-scheme--light) #52525e;
+ --swatch-border-color:var(--csstools-light-dark-toggle--120, #cfcfd8);
+}
+
+@supports (color: light-dark(red, red)){
+.colorPicker{
+ --hover-outline-color:light-dark(#0250bb, #80ebff);
+ --selected-outline-color:light-dark(#0060df, #aaf2ff);
+ --swatch-border-color:light-dark(#cfcfd8, #52525e);
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+.colorPicker *{
+ --csstools-light-dark-toggle--118:var(--csstools-color-scheme--light) #80ebff;
+ --hover-outline-color:var(--csstools-light-dark-toggle--118, #0250bb);
+ --csstools-light-dark-toggle--119:var(--csstools-color-scheme--light) #aaf2ff;
+ --selected-outline-color:var(--csstools-light-dark-toggle--119, #0060df);
+ --csstools-light-dark-toggle--120:var(--csstools-color-scheme--light) #52525e;
+ --swatch-border-color:var(--csstools-light-dark-toggle--120, #cfcfd8);
+ }
+}
+
+@media screen and (forced-colors: active){
+
+.colorPicker{
+ --hover-outline-color:Highlight;
+ --selected-outline-color:var(--hover-outline-color);
+ --swatch-border-color:ButtonText;
+}
+ }
+
+.colorPicker .swatch{
+ width:16px;
+ height:16px;
+ border:1px solid var(--swatch-border-color);
+ border-radius:100%;
+ outline-offset:2px;
+ box-sizing:border-box;
+ forced-color-adjust:none;
+ }
+
+.colorPicker button:is(:hover,.selected) > .swatch{
+ border:none;
+ }
+
+.basicColorPicker{
+ width:28px;
+}
+
+.basicColorPicker::-moz-color-swatch{
+ border-radius:100%;
+ }
+
+.basicColorPicker::-webkit-color-swatch{
+ border-radius:100%;
+ }
+
+.annotationEditorLayer[data-main-rotation="0"] .highlightEditor:not(.free) > .editToolbar{
+ rotate:0deg;
+ }
+
+.annotationEditorLayer[data-main-rotation="90"] .highlightEditor:not(.free) > .editToolbar{
+ rotate:270deg;
+ }
+
+.annotationEditorLayer[data-main-rotation="180"] .highlightEditor:not(.free) > .editToolbar{
+ rotate:180deg;
+ }
+
+.annotationEditorLayer[data-main-rotation="270"] .highlightEditor:not(.free) > .editToolbar{
+ rotate:90deg;
+ }
+
+.annotationEditorLayer .highlightEditor{
+ position:absolute;
+ background:transparent;
+ z-index:1;
+ cursor:auto;
+ max-width:100%;
+ max-height:100%;
+ border:none;
+ outline:none;
+ pointer-events:none;
+ transform-origin:0 0;
+ }
+
+:is(.annotationEditorLayer .highlightEditor):not(.free){
+ transform:none;
+ }
+
+:is(.annotationEditorLayer .highlightEditor) .internal{
+ position:absolute;
+ top:0;
+ left:0;
+ width:100%;
+ height:100%;
+ pointer-events:auto;
+ }
+
+.disabled:is(.annotationEditorLayer .highlightEditor) .internal{
+ pointer-events:none;
+ }
+
+.selectedEditor:is(.annotationEditorLayer .highlightEditor) .internal{
+ cursor:pointer;
+ }
+
+:is(.annotationEditorLayer .highlightEditor) .editToolbar{
+ --editor-toolbar-colorpicker-arrow-image:url(images/toolbarButton-menuArrow.svg);
+
+ transform-origin:center !important;
+ }
+
+:is(:is(:is(.annotationEditorLayer .highlightEditor) .editToolbar) .buttons) .colorPicker{
+ position:relative;
+ width:auto;
+ display:flex;
+ justify-content:center;
+ align-items:center;
+ gap:4px;
+ padding:4px;
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer .highlightEditor) .editToolbar) .buttons) .colorPicker)::after{
+ content:"";
+ -webkit-mask-image:var(--editor-toolbar-colorpicker-arrow-image);
+ mask-image:var(--editor-toolbar-colorpicker-arrow-image);
+ -webkit-mask-repeat:no-repeat;
+ mask-repeat:no-repeat;
+ -webkit-mask-position:center;
+ mask-position:center;
+ display:inline-block;
+ background-color:var(--editor-toolbar-fg-color);
+ width:12px;
+ height:12px;
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer .highlightEditor) .editToolbar) .buttons) .colorPicker):hover::after{
+ background-color:var(--editor-toolbar-hover-fg-color);
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer .highlightEditor) .editToolbar) .buttons) .colorPicker):has(.dropdown:not(.hidden)){
+ background-color:var(--editor-toolbar-hover-bg-color);
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer .highlightEditor) .editToolbar) .buttons) .colorPicker):has(.dropdown:not(.hidden))::after{
+ scale:-1;
+ }
+
+:is(:is(:is(:is(.annotationEditorLayer .highlightEditor) .editToolbar) .buttons) .colorPicker) .dropdown{
+ position:absolute;
+ display:flex;
+ justify-content:center;
+ align-items:center;
+ flex-direction:column;
+ gap:11px;
+ padding-block:8px;
+ border-radius:6px;
+ background-color:var(--editor-toolbar-bg-color);
+ border:1px solid var(--editor-toolbar-border-color);
+ box-shadow:var(--editor-toolbar-shadow);
+ inset-block-start:calc(100% + 4px);
+ width:calc(100% + 2 * var(--editor-toolbar-padding));
+ }
+
+:is(:is(:is(:is(:is(.annotationEditorLayer .highlightEditor) .editToolbar) .buttons) .colorPicker) .dropdown) button{
+ width:100%;
+ height:auto;
+ border:none;
+ cursor:pointer;
+ display:flex;
+ justify-content:center;
+ align-items:center;
+ background:none;
+ }
+
+:is(:is(:is(:is(:is(:is(.annotationEditorLayer .highlightEditor) .editToolbar) .buttons) .colorPicker) .dropdown) button):is(:active,:focus-visible){
+ outline:none;
+ }
+
+:is(:is(:is(:is(:is(:is(.annotationEditorLayer .highlightEditor) .editToolbar) .buttons) .colorPicker) .dropdown) button) > .swatch{
+ outline-offset:2px;
+ }
+
+[aria-selected="true"]:is(:is(:is(:is(:is(:is(.annotationEditorLayer .highlightEditor) .editToolbar) .buttons) .colorPicker) .dropdown) button) > .swatch{
+ outline:2px solid var(--selected-outline-color);
+ }
+
+:is(:is(:is(:is(:is(:is(.annotationEditorLayer .highlightEditor) .editToolbar) .buttons) .colorPicker) .dropdown) button):is(:hover,:active,:focus-visible) > .swatch{
+ outline:2px solid var(--hover-outline-color);
+ }
+
+.editorParamsToolbar:has(#highlightParamsToolbarContainer){
+ padding:unset;
+}
+
+#highlightParamsToolbarContainer{
+ gap:16px;
+ padding-inline:10px;
+ padding-block-end:12px;
+}
+
+#highlightParamsToolbarContainer .colorPicker{
+ display:flex;
+ flex-direction:column;
+ gap:8px;
+ }
+
+:is(#highlightParamsToolbarContainer .colorPicker) .dropdown{
+ display:flex;
+ justify-content:space-between;
+ align-items:center;
+ flex-direction:row;
+ height:auto;
+ }
+
+:is(:is(#highlightParamsToolbarContainer .colorPicker) .dropdown) button{
+ width:auto;
+ height:auto;
+ border:none;
+ cursor:pointer;
+ display:flex;
+ justify-content:center;
+ align-items:center;
+ background:none;
+ flex:0 0 auto;
+ padding:0;
+ }
+
+:is(:is(:is(#highlightParamsToolbarContainer .colorPicker) .dropdown) button) .swatch{
+ width:24px;
+ height:24px;
+ }
+
+:is(:is(:is(#highlightParamsToolbarContainer .colorPicker) .dropdown) button):is(:active,:focus-visible){
+ outline:none;
+ }
+
+[aria-selected="true"]:is(:is(:is(#highlightParamsToolbarContainer .colorPicker) .dropdown) button) > .swatch{
+ outline:2px solid var(--selected-outline-color);
+ }
+
+:is(:is(:is(#highlightParamsToolbarContainer .colorPicker) .dropdown) button):is(:hover,:active,:focus-visible) > .swatch{
+ outline:2px solid var(--hover-outline-color);
+ }
+
+#highlightParamsToolbarContainer #editorHighlightThickness{
+ display:flex;
+ flex-direction:column;
+ align-items:center;
+ gap:4px;
+ align-self:stretch;
+ }
+
+:is(#highlightParamsToolbarContainer #editorHighlightThickness) .editorParamsLabel{
+ height:auto;
+ align-self:stretch;
+ }
+
+:is(#highlightParamsToolbarContainer #editorHighlightThickness) .thicknessPicker{
+ display:flex;
+ justify-content:space-between;
+ align-items:center;
+ align-self:stretch;
+
+ --csstools-light-dark-toggle--121:var(--csstools-color-scheme--light) #80808e;
+
+ --example-color:var(--csstools-light-dark-toggle--121, #bfbfc9);
+ }
+
+@supports (color: light-dark(red, red)){
+:is(#highlightParamsToolbarContainer #editorHighlightThickness) .thicknessPicker{
+
+ --example-color:light-dark(#bfbfc9, #80808e);
+ }
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+:is(:is(#highlightParamsToolbarContainer #editorHighlightThickness) .thicknessPicker) *{
+
+ --csstools-light-dark-toggle--121:var(--csstools-color-scheme--light) #80808e;
+
+ --example-color:var(--csstools-light-dark-toggle--121, #bfbfc9);
+ }
+}
+
+@media screen and (forced-colors: active){
+
+:is(#highlightParamsToolbarContainer #editorHighlightThickness) .thicknessPicker{
+ --example-color:CanvasText;
+ }
+ }
+
+:is(:is(:is(#highlightParamsToolbarContainer #editorHighlightThickness) .thicknessPicker) > .editorParamsSlider[disabled]){
+ opacity:0.4;
+ }
+
+:is(:is(#highlightParamsToolbarContainer #editorHighlightThickness) .thicknessPicker)::before,:is(:is(#highlightParamsToolbarContainer #editorHighlightThickness) .thicknessPicker)::after{
+ content:"";
+ width:8px;
+ aspect-ratio:1;
+ display:block;
+ border-radius:100%;
+ background-color:var(--example-color);
+ }
+
+:is(:is(#highlightParamsToolbarContainer #editorHighlightThickness) .thicknessPicker)::after{
+ width:24px;
+ }
+
+:is(:is(#highlightParamsToolbarContainer #editorHighlightThickness) .thicknessPicker) .editorParamsSlider{
+ width:unset;
+ height:14px;
+ }
+
+#highlightParamsToolbarContainer #editorHighlightVisibility{
+ display:flex;
+ flex-direction:column;
+ align-items:flex-start;
+ gap:8px;
+ align-self:stretch;
+ }
+
+:is(#highlightParamsToolbarContainer #editorHighlightVisibility) .divider{
+ --csstools-light-dark-toggle--122:var(--csstools-color-scheme--light) #8f8f9d;
+ --divider-color:var(--csstools-light-dark-toggle--122, #d7d7db);
+ }
+
+@supports (color: light-dark(red, red)){
+:is(#highlightParamsToolbarContainer #editorHighlightVisibility) .divider{
+ --divider-color:light-dark(#d7d7db, #8f8f9d);
+ }
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+:is(:is(#highlightParamsToolbarContainer #editorHighlightVisibility) .divider) *{
+ --csstools-light-dark-toggle--122:var(--csstools-color-scheme--light) #8f8f9d;
+ --divider-color:var(--csstools-light-dark-toggle--122, #d7d7db);
+ }
+}
+
+@media screen and (forced-colors: active){
+
+:is(#highlightParamsToolbarContainer #editorHighlightVisibility) .divider{
+ --divider-color:CanvasText;
+ }
+ }
+
+:is(#highlightParamsToolbarContainer #editorHighlightVisibility) .divider{
+
+ margin-block:4px;
+ width:100%;
+ height:1px;
+ background-color:var(--divider-color);
+ }
+
+:is(#highlightParamsToolbarContainer #editorHighlightVisibility) .toggler{
+ display:flex;
+ justify-content:space-between;
+ align-items:center;
+ align-self:stretch;
+ }
+
+#altTextSettingsDialog{
+ padding:16px;
+}
+
+#altTextSettingsDialog #altTextSettingsContainer{
+ display:flex;
+ width:573px;
+ flex-direction:column;
+ gap:16px;
+ }
+
+:is(#altTextSettingsDialog #altTextSettingsContainer) .mainContainer{
+ gap:16px;
+ }
+
+:is(#altTextSettingsDialog #altTextSettingsContainer) .description{
+ color:var(--text-secondary-color);
+ }
+
+:is(#altTextSettingsDialog #altTextSettingsContainer) #aiModelSettings{
+ display:flex;
+ flex-direction:column;
+ gap:12px;
+ }
+
+:is(:is(#altTextSettingsDialog #altTextSettingsContainer) #aiModelSettings) button{
+ width:-moz-fit-content;
+ width:fit-content;
+ }
+
+.download:is(:is(#altTextSettingsDialog #altTextSettingsContainer) #aiModelSettings) #deleteModelButton{
+ display:none;
+ }
+
+:is(:is(#altTextSettingsDialog #altTextSettingsContainer) #aiModelSettings):not(.download) #downloadModelButton{
+ display:none;
+ }
+
+:is(#altTextSettingsDialog #altTextSettingsContainer) #automaticAltText,:is(#altTextSettingsDialog #altTextSettingsContainer) #altTextEditor{
+ display:flex;
+ flex-direction:column;
+ gap:8px;
+ }
+
+:is(#altTextSettingsDialog #altTextSettingsContainer) #createModelDescription,:is(#altTextSettingsDialog #altTextSettingsContainer) #aiModelSettings,:is(#altTextSettingsDialog #altTextSettingsContainer) #showAltTextDialogDescription{
+ padding-inline-start:40px;
+ }
+
+:is(#altTextSettingsDialog #altTextSettingsContainer) #automaticSettings{
+ display:flex;
+ flex-direction:column;
+ gap:16px;
+ }
+
+.sidebar{
+ --csstools-light-dark-toggle--123:var(--csstools-color-scheme--light) #23222b;
+ --sidebar-bg-color:var(--csstools-light-dark-toggle--123, #fff);
+ --csstools-light-dark-toggle--124:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.1);
+ --sidebar-border-color:var(--csstools-light-dark-toggle--124, rgb(21 20 26 / 0.1));
+ --csstools-light-dark-toggle--125:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.2);
+ --csstools-light-dark-toggle--126:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.4);
+ --sidebar-box-shadow:0 0.25px 0.75px var(--csstools-light-dark-toggle--125, rgb(0 0 0 / 0.05)), 0 2px 6px 0 var(--csstools-light-dark-toggle--126, rgb(0 0 0 / 0.1));
+ --sidebar-border-radius:8px;
+ --sidebar-padding:5px;
+ --sidebar-min-width:180px;
+ --sidebar-max-width:632px;
+ --sidebar-width:239px;
+ --resizer-width:4px;
+ --csstools-light-dark-toggle--127:var(--csstools-color-scheme--light) #00cadb;
+ --resizer-hover-bg-color:var(--csstools-light-dark-toggle--127, #0062fa);
+}
+
+@supports (color: light-dark(red, red)){
+.sidebar{
+ --sidebar-bg-color:light-dark(#fff, #23222b);
+}
+}
+
+@supports (color: light-dark(red, red)) and (color: rgb(0 0 0 / 0)){
+.sidebar{
+ --sidebar-border-color:light-dark(
+ rgb(21 20 26 / 0.1),
+ rgb(251 251 254 / 0.1)
+ );
+ --sidebar-box-shadow:0 0.25px 0.75px light-dark(rgb(0 0 0 / 0.05), rgb(0 0 0 / 0.2)), 0 2px 6px 0 light-dark(rgb(0 0 0 / 0.1), rgb(0 0 0 / 0.4));
+}
+}
+
+@supports (color: light-dark(red, red)){
+.sidebar{
+ --resizer-hover-bg-color:light-dark(#0062fa, #00cadb);
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+.sidebar *{
+ --csstools-light-dark-toggle--123:var(--csstools-color-scheme--light) #23222b;
+ --sidebar-bg-color:var(--csstools-light-dark-toggle--123, #fff);
+ --csstools-light-dark-toggle--124:var(--csstools-color-scheme--light) rgb(251 251 254 / 0.1);
+ --sidebar-border-color:var(--csstools-light-dark-toggle--124, rgb(21 20 26 / 0.1));
+ --csstools-light-dark-toggle--125:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.2);
+ --csstools-light-dark-toggle--126:var(--csstools-color-scheme--light) rgb(0 0 0 / 0.4);
+ --sidebar-box-shadow:0 0.25px 0.75px var(--csstools-light-dark-toggle--125, rgb(0 0 0 / 0.05)), 0 2px 6px 0 var(--csstools-light-dark-toggle--126, rgb(0 0 0 / 0.1));
+ --csstools-light-dark-toggle--127:var(--csstools-color-scheme--light) #00cadb;
+ --resizer-hover-bg-color:var(--csstools-light-dark-toggle--127, #0062fa);
+ }
+}
+
+@media screen and (forced-colors: active){
+
+.sidebar{
+ --sidebar-bg-color:Canvas;
+ --sidebar-border-color:CanvasText;
+ --sidebar-box-shadow:none;
+ --resizer-hover-bg-color:CanvasText;
+}
+ }
+
+.sidebar{
+
+ border-radius:var(--sidebar-border-radius);
+ box-shadow:var(--sidebar-box-shadow);
+ border:1px solid var(--sidebar-border-color);
+ background-color:var(--sidebar-bg-color);
+ inset-block-start:calc(100% + var(--doorhanger-height) - 2px);
+ padding-block:var(--sidebar-padding);
+ width:var(--sidebar-width);
+ min-width:var(--sidebar-min-width);
+ max-width:var(--sidebar-max-width);
+}
+
+.sidebar .sidebarResizer{
+ width:var(--resizer-width);
+ background-color:transparent;
+ forced-color-adjust:none;
+ cursor:ew-resize;
+ position:absolute;
+ inset-block:calc(var(--sidebar-padding) + var(--sidebar-border-radius));
+ inset-inline-start:calc(0px - var(--resizer-width) / 2);
+ transition:background-color 0.5s ease-in-out;
+ box-sizing:border-box;
+ border:1px solid transparent;
+ border-block-width:0;
+ background-clip:content-box;
+ }
+
+:is(.sidebar .sidebarResizer):hover{
+ background-color:var(--resizer-hover-bg-color);
+ }
+
+.sidebar.resizing{
+ cursor:ew-resize;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ }
+
+.sidebar.resizing :not(.sidebarResizer){
+ pointer-events:none;
+ }
+
+:root{
+ --csstools-color-scheme--light:initial;
+ color-scheme:light dark;
+
+ --viewer-container-height:0;
+ --pdfViewer-padding-bottom:0;
+ --page-margin:1px auto -8px;
+ --page-border:9px solid transparent;
+ --spreadHorizontalWrapped-margin-LR:-3.5px;
+ --loading-icon-delay:400ms;
+ --csstools-light-dark-toggle--128:var(--csstools-color-scheme--light) #0df;
+ --focus-ring-color:var(--csstools-light-dark-toggle--128, #0060df);
+ --focus-ring-outline:2px solid var(--focus-ring-color);
+}
+
+@supports (color: light-dark(red, red)){
+:root{
+ --focus-ring-color:light-dark(#0060df, #0df);
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+:root *{
+ --csstools-light-dark-toggle--128:var(--csstools-color-scheme--light) #0df;
+ --focus-ring-color:var(--csstools-light-dark-toggle--128, #0060df);
+ }
+}
+
+@media (prefers-color-scheme: dark){
+
+:root{
+ --csstools-color-scheme--light:;
+}
+}
+
+@media screen and (forced-colors: active){
+
+:root{
+ --pdfViewer-padding-bottom:9px;
+ --page-margin:8px auto -1px;
+ --page-border:1px solid CanvasText;
+ --spreadHorizontalWrapped-margin-LR:3.5px;
+ --focus-ring-color:CanvasText;
+}
+ }
+
+[data-main-rotation="90"]{
+ transform:rotate(90deg) translateY(-100%);
+}
+[data-main-rotation="180"]{
+ transform:rotate(180deg) translate(-100%, -100%);
+}
+[data-main-rotation="270"]{
+ transform:rotate(270deg) translateX(-100%);
+}
+
+#hiddenCopyElement,
+.hiddenCanvasElement{
+ position:absolute;
+ top:0;
+ left:0;
+ width:0;
+ height:0;
+ display:none;
+}
+
+.pdfViewer{
+ --scale-factor:1;
+ --page-bg-color:unset;
+
+ padding-bottom:var(--pdfViewer-padding-bottom);
+
+ --hcm-highlight-filter:none;
+ --hcm-highlight-selected-filter:none;
+}
+
+@media screen and (forced-colors: active){
+
+.pdfViewer{
+ --hcm-highlight-filter:invert(100%);
+}
+ }
+
+.pdfViewer.copyAll{
+ cursor:wait;
+ }
+
+.pdfViewer .canvasWrapper{
+ overflow:hidden;
+ width:100%;
+ height:100%;
+ }
+
+:is(.pdfViewer .canvasWrapper) canvas{
+ position:absolute;
+ top:0;
+ left:0;
+ margin:0;
+ display:block;
+ width:100%;
+ height:100%;
+ contain:content;
+ }
+
+:is(:is(.pdfViewer .canvasWrapper) canvas) .structTree{
+ contain:strict;
+ }
+
+.detailView:is(:is(.pdfViewer .canvasWrapper) canvas){
+ image-rendering:pixelated;
+ }
+
+.pdfViewer .page{
+ --user-unit:1;
+ --total-scale-factor:calc(var(--scale-factor) * var(--user-unit));
+ --scale-round-x:1px;
+ --scale-round-y:1px;
+
+ direction:ltr;
+ width:816px;
+ height:1056px;
+ margin:var(--page-margin);
+ position:relative;
+ overflow:visible;
+ border:var(--page-border);
+ background-clip:content-box;
+ background-color:var(--page-bg-color, rgb(255 255 255));
+}
+
+.pdfViewer .dummyPage{
+ position:relative;
+ width:0;
+ height:var(--viewer-container-height);
+}
+
+.pdfViewer.noUserSelect{
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+}
+
+.pdfViewer.removePageBorders .page{
+ margin:0 auto 10px;
+ border:none;
+}
+
+.pdfViewer:is(.scrollHorizontal, .scrollWrapped),
+.spread{
+ margin-inline:3.5px;
+ text-align:center;
+}
+
+.pdfViewer.scrollHorizontal,
+.spread{
+ white-space:nowrap;
+}
+
+.pdfViewer.removePageBorders,
+.pdfViewer:is(.scrollHorizontal, .scrollWrapped) .spread{
+ margin-inline:0;
+}
+
+.spread :is(.page, .dummyPage),
+.pdfViewer:is(.scrollHorizontal, .scrollWrapped) :is(.page, .spread){
+ display:inline-block;
+ vertical-align:middle;
+}
+
+.spread .page,
+.pdfViewer:is(.scrollHorizontal, .scrollWrapped) .page{
+ margin-inline:var(--spreadHorizontalWrapped-margin-LR);
+}
+
+.pdfViewer.removePageBorders .spread .page,
+.pdfViewer.removePageBorders:is(.scrollHorizontal, .scrollWrapped) .page{
+ margin-inline:5px;
+}
+
+.pdfViewer .page.loadingIcon::after{
+ position:absolute;
+ top:0;
+ left:0;
+ content:"";
+ width:100%;
+ height:100%;
+ background:url("images/loading-icon.gif") center no-repeat;
+ display:none;
+ transition-property:display;
+ transition-delay:var(--loading-icon-delay);
+ z-index:5;
+ contain:strict;
+}
+
+.pdfViewer .page.loading::after{
+ display:block;
+}
+
+.pdfViewer .page:not(.loading)::after{
+ transition-property:none;
+ display:none;
+}
+
+.pdfPresentationMode .pdfViewer{
+ padding-bottom:0;
+}
+
+.pdfPresentationMode .spread{
+ margin:0;
+}
+
+.pdfPresentationMode .pdfViewer .page{
+ margin:0 auto;
+ border:2px solid transparent;
+}
+
+:root{
+ --dir-factor:1;
+ --inline-start:left;
+ --inline-end:right;
+
+ --sidebar-width:200px;
+ --sidebar-transition-duration:200ms;
+ --sidebar-transition-timing-function:ease;
+
+ --toolbar-height:32px;
+ --toolbar-horizontal-padding:1px;
+ --toolbar-vertical-padding:2px;
+ --icon-size:16px;
+
+ --toolbar-icon-opacity:0.7;
+ --doorhanger-icon-opacity:0.9;
+ --doorhanger-height:8px;
+
+ --csstools-light-dark-toggle--0:var(--csstools-color-scheme--light) rgb(249 249 250);
+
+ --main-color:var(--csstools-light-dark-toggle--0, rgb(12 12 13));
+ --csstools-light-dark-toggle--1:var(--csstools-color-scheme--light) rgb(42 42 46);
+ --body-bg-color:var(--csstools-light-dark-toggle--1, rgb(212 212 215));
+ --csstools-light-dark-toggle--2:var(--csstools-color-scheme--light) rgb(0 96 223);
+ --progressBar-color:var(--csstools-light-dark-toggle--2, rgb(10 132 255));
+ --csstools-light-dark-toggle--3:var(--csstools-color-scheme--light) rgb(40 40 43);
+ --progressBar-bg-color:var(--csstools-light-dark-toggle--3, rgb(221 221 222));
+ --csstools-light-dark-toggle--4:var(--csstools-color-scheme--light) rgb(20 68 133);
+ --progressBar-blend-color:var(--csstools-light-dark-toggle--4, rgb(116 177 239));
+ --csstools-light-dark-toggle--5:var(--csstools-color-scheme--light) rgb(121 121 123);
+ --scrollbar-color:var(--csstools-light-dark-toggle--5, auto);
+ --csstools-light-dark-toggle--6:var(--csstools-color-scheme--light) rgb(35 35 39);
+ --scrollbar-bg-color:var(--csstools-light-dark-toggle--6, auto);
+ --csstools-light-dark-toggle--7:var(--csstools-color-scheme--light) rgb(255 255 255);
+ --toolbar-icon-bg-color:var(--csstools-light-dark-toggle--7, rgb(0 0 0));
+ --csstools-light-dark-toggle--8:var(--csstools-color-scheme--light) rgb(255 255 255);
+ --toolbar-icon-hover-bg-color:var(--csstools-light-dark-toggle--8, rgb(0 0 0));
+
+ --csstools-light-dark-toggle--9:var(--csstools-color-scheme--light) rgb(42 42 46 / 0.9);
+
+ --sidebar-narrow-bg-color:var(--csstools-light-dark-toggle--9, rgb(212 212 215 / 0.9));
+ --csstools-light-dark-toggle--10:var(--csstools-color-scheme--light) rgb(50 50 52);
+ --sidebar-toolbar-bg-color:var(--csstools-light-dark-toggle--10, rgb(245 246 247));
+ --csstools-light-dark-toggle--11:var(--csstools-color-scheme--light) rgb(56 56 61);
+ --toolbar-bg-color:var(--csstools-light-dark-toggle--11, rgb(249 249 250));
+ --csstools-light-dark-toggle--12:var(--csstools-color-scheme--light) rgb(12 12 13);
+ --toolbar-border-color:var(--csstools-light-dark-toggle--12, rgb(184 184 184));
+ --toolbar-box-shadow:0 1px 0 var(--toolbar-border-color);
+ --toolbar-border-bottom:none;
+ --toolbarSidebar-box-shadow:inset calc(-1px * var(--dir-factor)) 0 0 rgb(0 0 0 / 0.25), 0 1px 0 rgb(0 0 0 / 0.15), 0 0 1px rgb(0 0 0 / 0.1);
+ --toolbarSidebar-border-bottom:none;
+ --button-hover-color:color-mix(in srgb, currentColor 17%, transparent);
+ --csstools-light-dark-toggle--13:var(--csstools-color-scheme--light) rgb(255 255 255);
+ --toggled-btn-color:var(--csstools-light-dark-toggle--13, rgb(0 0 0));
+ --toggled-btn-bg-color:rgb(0 0 0 / 0.3);
+ --toggled-hover-active-btn-color:rgb(0 0 0 / 0.4);
+ --toggled-hover-btn-outline:none;
+ --csstools-light-dark-toggle--14:var(--csstools-color-scheme--light) rgb(74 74 79);
+ --dropdown-btn-bg-color:var(--csstools-light-dark-toggle--14, rgb(215 215 219));
+ --dropdown-btn-border:none;
+ --separator-color:rgb(0 0 0 / 0.3);
+ --csstools-light-dark-toggle--15:var(--csstools-color-scheme--light) rgb(250 250 250);
+ --field-color:var(--csstools-light-dark-toggle--15, rgb(6 6 6));
+ --csstools-light-dark-toggle--16:var(--csstools-color-scheme--light) rgb(64 64 68);
+ --field-bg-color:var(--csstools-light-dark-toggle--16, rgb(255 255 255));
+ --csstools-light-dark-toggle--17:var(--csstools-color-scheme--light) rgb(115 115 115);
+ --field-border-color:var(--csstools-light-dark-toggle--17, rgb(187 187 188));
+ --csstools-light-dark-toggle--18:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.8);
+ --treeitem-color:var(--csstools-light-dark-toggle--18, rgb(0 0 0 / 0.8));
+ --csstools-light-dark-toggle--19:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.15);
+ --treeitem-bg-color:var(--csstools-light-dark-toggle--19, rgb(0 0 0 / 0.15));
+ --csstools-light-dark-toggle--20:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.9);
+ --treeitem-hover-color:var(--csstools-light-dark-toggle--20, rgb(0 0 0 / 0.9));
+ --csstools-light-dark-toggle--21:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.9);
+ --treeitem-selected-color:var(--csstools-light-dark-toggle--21, rgb(0 0 0 / 0.9));
+ --csstools-light-dark-toggle--22:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.25);
+ --treeitem-selected-bg-color:var(--csstools-light-dark-toggle--22, rgb(0 0 0 / 0.25));
+ --csstools-light-dark-toggle--23:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.1);
+ --thumbnail-hover-color:var(--csstools-light-dark-toggle--23, rgb(0 0 0 / 0.1));
+ --csstools-light-dark-toggle--24:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.2);
+ --thumbnail-selected-color:var(--csstools-light-dark-toggle--24, rgb(0 0 0 / 0.2));
+ --csstools-light-dark-toggle--25:var(--csstools-color-scheme--light) #42414d;
+ --doorhanger-bg-color:var(--csstools-light-dark-toggle--25, rgb(255 255 255));
+ --csstools-light-dark-toggle--26:var(--csstools-color-scheme--light) rgb(39 39 43);
+ --doorhanger-border-color:var(--csstools-light-dark-toggle--26, rgb(12 12 13 / 0.2));
+ --csstools-light-dark-toggle--27:var(--csstools-color-scheme--light) rgb(249 249 250);
+ --doorhanger-hover-color:var(--csstools-light-dark-toggle--27, rgb(12 12 13));
+ --csstools-light-dark-toggle--28:var(--csstools-color-scheme--light) rgb(92 92 97);
+ --doorhanger-separator-color:var(--csstools-light-dark-toggle--28, rgb(222 222 222));
+ --dialog-button-border:none;
+ --csstools-light-dark-toggle--29:var(--csstools-color-scheme--light) rgb(92 92 97);
+ --dialog-button-bg-color:var(--csstools-light-dark-toggle--29, rgb(12 12 13 / 0.1));
+ --csstools-light-dark-toggle--30:var(--csstools-color-scheme--light) rgb(115 115 115);
+ --dialog-button-hover-bg-color:var(--csstools-light-dark-toggle--30, rgb(12 12 13 / 0.3));
+
+ --loading-icon:url(images/loading.svg);
+ --treeitem-expanded-icon:url(images/treeitem-expanded.svg);
+ --treeitem-collapsed-icon:url(images/treeitem-collapsed.svg);
+ --toolbarButton-editorComment-icon:url(images/comment-editButton.svg);
+ --toolbarButton-editorFreeText-icon:url(images/toolbarButton-editorFreeText.svg);
+ --toolbarButton-editorHighlight-icon:url(images/toolbarButton-editorHighlight.svg);
+ --toolbarButton-editorInk-icon:url(images/toolbarButton-editorInk.svg);
+ --toolbarButton-editorStamp-icon:url(images/toolbarButton-editorStamp.svg);
+ --toolbarButton-editorSignature-icon:url(images/toolbarButton-editorSignature.svg);
+ --toolbarButton-menuArrow-icon:url(images/toolbarButton-menuArrow.svg);
+ --toolbarButton-sidebarToggle-icon:url(images/toolbarButton-sidebarToggle.svg);
+ --toolbarButton-secondaryToolbarToggle-icon:url(images/toolbarButton-secondaryToolbarToggle.svg);
+ --toolbarButton-pageUp-icon:url(images/toolbarButton-pageUp.svg);
+ --toolbarButton-pageDown-icon:url(images/toolbarButton-pageDown.svg);
+ --toolbarButton-zoomOut-icon:url(images/toolbarButton-zoomOut.svg);
+ --toolbarButton-zoomIn-icon:url(images/toolbarButton-zoomIn.svg);
+ --toolbarButton-presentationMode-icon:url(images/toolbarButton-presentationMode.svg);
+ --toolbarButton-print-icon:url(images/toolbarButton-print.svg);
+ --toolbarButton-openFile-icon:url(images/toolbarButton-openFile.svg);
+ --toolbarButton-download-icon:url(images/toolbarButton-download.svg);
+ --toolbarButton-bookmark-icon:url(images/toolbarButton-bookmark.svg);
+ --toolbarButton-viewThumbnail-icon:url(images/toolbarButton-viewThumbnail.svg);
+ --toolbarButton-viewOutline-icon:url(images/toolbarButton-viewOutline.svg);
+ --toolbarButton-viewAttachments-icon:url(images/toolbarButton-viewAttachments.svg);
+ --toolbarButton-viewLayers-icon:url(images/toolbarButton-viewLayers.svg);
+ --toolbarButton-currentOutlineItem-icon:url(images/toolbarButton-currentOutlineItem.svg);
+ --toolbarButton-search-icon:url(images/toolbarButton-search.svg);
+ --findbarButton-previous-icon:url(images/findbarButton-previous.svg);
+ --findbarButton-next-icon:url(images/findbarButton-next.svg);
+ --secondaryToolbarButton-firstPage-icon:url(images/secondaryToolbarButton-firstPage.svg);
+ --secondaryToolbarButton-lastPage-icon:url(images/secondaryToolbarButton-lastPage.svg);
+ --secondaryToolbarButton-rotateCcw-icon:url(images/secondaryToolbarButton-rotateCcw.svg);
+ --secondaryToolbarButton-rotateCw-icon:url(images/secondaryToolbarButton-rotateCw.svg);
+ --secondaryToolbarButton-selectTool-icon:url(images/secondaryToolbarButton-selectTool.svg);
+ --secondaryToolbarButton-handTool-icon:url(images/secondaryToolbarButton-handTool.svg);
+ --secondaryToolbarButton-scrollPage-icon:url(images/secondaryToolbarButton-scrollPage.svg);
+ --secondaryToolbarButton-scrollVertical-icon:url(images/secondaryToolbarButton-scrollVertical.svg);
+ --secondaryToolbarButton-scrollHorizontal-icon:url(images/secondaryToolbarButton-scrollHorizontal.svg);
+ --secondaryToolbarButton-scrollWrapped-icon:url(images/secondaryToolbarButton-scrollWrapped.svg);
+ --secondaryToolbarButton-spreadNone-icon:url(images/secondaryToolbarButton-spreadNone.svg);
+ --secondaryToolbarButton-spreadOdd-icon:url(images/secondaryToolbarButton-spreadOdd.svg);
+ --secondaryToolbarButton-spreadEven-icon:url(images/secondaryToolbarButton-spreadEven.svg);
+ --secondaryToolbarButton-imageAltTextSettings-icon:var(
+ --toolbarButton-editorStamp-icon
+ );
+ --secondaryToolbarButton-documentProperties-icon:url(images/secondaryToolbarButton-documentProperties.svg);
+ --editorParams-stampAddImage-icon:url(images/toolbarButton-zoomIn.svg);
+ --comment-edit-button-icon:url(images/comment-editButton.svg);
+}
+
+@supports (color: light-dark(red, red)) and (color: rgb(0 0 0 / 0)){
+:root{
+
+ --main-color:light-dark(rgb(12 12 13), rgb(249 249 250));
+ --body-bg-color:light-dark(rgb(212 212 215), rgb(42 42 46));
+ --progressBar-color:light-dark(rgb(10 132 255), rgb(0 96 223));
+ --progressBar-bg-color:light-dark(rgb(221 221 222), rgb(40 40 43));
+ --progressBar-blend-color:light-dark(rgb(116 177 239), rgb(20 68 133));
+ --scrollbar-color:light-dark(auto, rgb(121 121 123));
+ --scrollbar-bg-color:light-dark(auto, rgb(35 35 39));
+ --toolbar-icon-bg-color:light-dark(rgb(0 0 0), rgb(255 255 255));
+ --toolbar-icon-hover-bg-color:light-dark(rgb(0 0 0), rgb(255 255 255));
+
+ --sidebar-narrow-bg-color:light-dark(
+ rgb(212 212 215 / 0.9),
+ rgb(42 42 46 / 0.9)
+ );
+ --sidebar-toolbar-bg-color:light-dark(rgb(245 246 247), rgb(50 50 52));
+ --toolbar-bg-color:light-dark(rgb(249 249 250), rgb(56 56 61));
+ --toolbar-border-color:light-dark(rgb(184 184 184), rgb(12 12 13));
+ --toggled-btn-color:light-dark(rgb(0 0 0), rgb(255 255 255));
+ --dropdown-btn-bg-color:light-dark(rgb(215 215 219), rgb(74 74 79));
+ --field-color:light-dark(rgb(6 6 6), rgb(250 250 250));
+ --field-bg-color:light-dark(rgb(255 255 255), rgb(64 64 68));
+ --field-border-color:light-dark(rgb(187 187 188), rgb(115 115 115));
+ --treeitem-color:light-dark(rgb(0 0 0 / 0.8), rgb(255 255 255 / 0.8));
+ --treeitem-bg-color:light-dark(rgb(0 0 0 / 0.15), rgb(255 255 255 / 0.15));
+ --treeitem-hover-color:light-dark(rgb(0 0 0 / 0.9), rgb(255 255 255 / 0.9));
+ --treeitem-selected-color:light-dark(
+ rgb(0 0 0 / 0.9),
+ rgb(255 255 255 / 0.9)
+ );
+ --treeitem-selected-bg-color:light-dark(
+ rgb(0 0 0 / 0.25),
+ rgb(255 255 255 / 0.25)
+ );
+ --thumbnail-hover-color:light-dark(rgb(0 0 0 / 0.1), rgb(255 255 255 / 0.1));
+ --thumbnail-selected-color:light-dark(
+ rgb(0 0 0 / 0.2),
+ rgb(255 255 255 / 0.2)
+ );
+ --doorhanger-bg-color:light-dark(rgb(255 255 255), #42414d);
+ --doorhanger-border-color:light-dark(rgb(12 12 13 / 0.2), rgb(39 39 43));
+ --doorhanger-hover-color:light-dark(rgb(12 12 13), rgb(249 249 250));
+ --doorhanger-separator-color:light-dark(rgb(222 222 222), rgb(92 92 97));
+ --dialog-button-bg-color:light-dark(rgb(12 12 13 / 0.1), rgb(92 92 97));
+ --dialog-button-hover-bg-color:light-dark(
+ rgb(12 12 13 / 0.3),
+ rgb(115 115 115)
+ );
+}
+}
+
+@supports not (color: light-dark(tan, tan)){
+
+:root *{
+
+ --csstools-light-dark-toggle--0:var(--csstools-color-scheme--light) rgb(249 249 250);
+
+ --main-color:var(--csstools-light-dark-toggle--0, rgb(12 12 13));
+ --csstools-light-dark-toggle--1:var(--csstools-color-scheme--light) rgb(42 42 46);
+ --body-bg-color:var(--csstools-light-dark-toggle--1, rgb(212 212 215));
+ --csstools-light-dark-toggle--2:var(--csstools-color-scheme--light) rgb(0 96 223);
+ --progressBar-color:var(--csstools-light-dark-toggle--2, rgb(10 132 255));
+ --csstools-light-dark-toggle--3:var(--csstools-color-scheme--light) rgb(40 40 43);
+ --progressBar-bg-color:var(--csstools-light-dark-toggle--3, rgb(221 221 222));
+ --csstools-light-dark-toggle--4:var(--csstools-color-scheme--light) rgb(20 68 133);
+ --progressBar-blend-color:var(--csstools-light-dark-toggle--4, rgb(116 177 239));
+ --csstools-light-dark-toggle--5:var(--csstools-color-scheme--light) rgb(121 121 123);
+ --scrollbar-color:var(--csstools-light-dark-toggle--5, auto);
+ --csstools-light-dark-toggle--6:var(--csstools-color-scheme--light) rgb(35 35 39);
+ --scrollbar-bg-color:var(--csstools-light-dark-toggle--6, auto);
+ --csstools-light-dark-toggle--7:var(--csstools-color-scheme--light) rgb(255 255 255);
+ --toolbar-icon-bg-color:var(--csstools-light-dark-toggle--7, rgb(0 0 0));
+ --csstools-light-dark-toggle--8:var(--csstools-color-scheme--light) rgb(255 255 255);
+ --toolbar-icon-hover-bg-color:var(--csstools-light-dark-toggle--8, rgb(0 0 0));
+
+ --csstools-light-dark-toggle--9:var(--csstools-color-scheme--light) rgb(42 42 46 / 0.9);
+
+ --sidebar-narrow-bg-color:var(--csstools-light-dark-toggle--9, rgb(212 212 215 / 0.9));
+ --csstools-light-dark-toggle--10:var(--csstools-color-scheme--light) rgb(50 50 52);
+ --sidebar-toolbar-bg-color:var(--csstools-light-dark-toggle--10, rgb(245 246 247));
+ --csstools-light-dark-toggle--11:var(--csstools-color-scheme--light) rgb(56 56 61);
+ --toolbar-bg-color:var(--csstools-light-dark-toggle--11, rgb(249 249 250));
+ --csstools-light-dark-toggle--12:var(--csstools-color-scheme--light) rgb(12 12 13);
+ --toolbar-border-color:var(--csstools-light-dark-toggle--12, rgb(184 184 184));
+ --csstools-light-dark-toggle--13:var(--csstools-color-scheme--light) rgb(255 255 255);
+ --toggled-btn-color:var(--csstools-light-dark-toggle--13, rgb(0 0 0));
+ --csstools-light-dark-toggle--14:var(--csstools-color-scheme--light) rgb(74 74 79);
+ --dropdown-btn-bg-color:var(--csstools-light-dark-toggle--14, rgb(215 215 219));
+ --csstools-light-dark-toggle--15:var(--csstools-color-scheme--light) rgb(250 250 250);
+ --field-color:var(--csstools-light-dark-toggle--15, rgb(6 6 6));
+ --csstools-light-dark-toggle--16:var(--csstools-color-scheme--light) rgb(64 64 68);
+ --field-bg-color:var(--csstools-light-dark-toggle--16, rgb(255 255 255));
+ --csstools-light-dark-toggle--17:var(--csstools-color-scheme--light) rgb(115 115 115);
+ --field-border-color:var(--csstools-light-dark-toggle--17, rgb(187 187 188));
+ --csstools-light-dark-toggle--18:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.8);
+ --treeitem-color:var(--csstools-light-dark-toggle--18, rgb(0 0 0 / 0.8));
+ --csstools-light-dark-toggle--19:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.15);
+ --treeitem-bg-color:var(--csstools-light-dark-toggle--19, rgb(0 0 0 / 0.15));
+ --csstools-light-dark-toggle--20:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.9);
+ --treeitem-hover-color:var(--csstools-light-dark-toggle--20, rgb(0 0 0 / 0.9));
+ --csstools-light-dark-toggle--21:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.9);
+ --treeitem-selected-color:var(--csstools-light-dark-toggle--21, rgb(0 0 0 / 0.9));
+ --csstools-light-dark-toggle--22:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.25);
+ --treeitem-selected-bg-color:var(--csstools-light-dark-toggle--22, rgb(0 0 0 / 0.25));
+ --csstools-light-dark-toggle--23:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.1);
+ --thumbnail-hover-color:var(--csstools-light-dark-toggle--23, rgb(0 0 0 / 0.1));
+ --csstools-light-dark-toggle--24:var(--csstools-color-scheme--light) rgb(255 255 255 / 0.2);
+ --thumbnail-selected-color:var(--csstools-light-dark-toggle--24, rgb(0 0 0 / 0.2));
+ --csstools-light-dark-toggle--25:var(--csstools-color-scheme--light) #42414d;
+ --doorhanger-bg-color:var(--csstools-light-dark-toggle--25, rgb(255 255 255));
+ --csstools-light-dark-toggle--26:var(--csstools-color-scheme--light) rgb(39 39 43);
+ --doorhanger-border-color:var(--csstools-light-dark-toggle--26, rgb(12 12 13 / 0.2));
+ --csstools-light-dark-toggle--27:var(--csstools-color-scheme--light) rgb(249 249 250);
+ --doorhanger-hover-color:var(--csstools-light-dark-toggle--27, rgb(12 12 13));
+ --csstools-light-dark-toggle--28:var(--csstools-color-scheme--light) rgb(92 92 97);
+ --doorhanger-separator-color:var(--csstools-light-dark-toggle--28, rgb(222 222 222));
+ --csstools-light-dark-toggle--29:var(--csstools-color-scheme--light) rgb(92 92 97);
+ --dialog-button-bg-color:var(--csstools-light-dark-toggle--29, rgb(12 12 13 / 0.1));
+ --csstools-light-dark-toggle--30:var(--csstools-color-scheme--light) rgb(115 115 115);
+ --dialog-button-hover-bg-color:var(--csstools-light-dark-toggle--30, rgb(12 12 13 / 0.3));
+ }
+}
+
+[dir="rtl"]:root{
+ --dir-factor:-1;
+ --inline-start:right;
+ --inline-end:left;
+}
+
+@media screen and (forced-colors: active){
+ :root{
+ --button-hover-color:Highlight;
+ --toolbar-icon-opacity:1;
+ --toolbar-icon-bg-color:ButtonText;
+ --toolbar-icon-hover-bg-color:ButtonFace;
+ --toggled-hover-active-btn-color:ButtonText;
+ --toggled-hover-btn-outline:2px solid ButtonBorder;
+ --toolbar-border-color:CanvasText;
+ --toolbar-border-bottom:1px solid var(--toolbar-border-color);
+ --toolbar-box-shadow:none;
+ --toggled-btn-color:HighlightText;
+ --toggled-btn-bg-color:LinkText;
+ --doorhanger-hover-color:ButtonFace;
+ --doorhanger-border-color-whcm:1px solid ButtonText;
+ --doorhanger-triangle-opacity-whcm:0;
+ --dialog-button-border:1px solid Highlight;
+ --dialog-button-hover-bg-color:Highlight;
+ --dialog-button-hover-color:ButtonFace;
+ --dropdown-btn-border:1px solid ButtonText;
+ --field-border-color:ButtonText;
+ --main-color:CanvasText;
+ --separator-color:GrayText;
+ --doorhanger-separator-color:GrayText;
+ --toolbarSidebar-box-shadow:none;
+ --toolbarSidebar-border-bottom:1px solid var(--toolbar-border-color);
+ }
+}
+
+@media screen and (prefers-reduced-motion: reduce){
+ :root{
+ --sidebar-transition-duration:0;
+ }
+}
+
+@keyframes progressIndeterminate{
+ 0%{
+ transform:translateX(calc(-142px * var(--dir-factor)));
+ }
+
+ 100%{
+ transform:translateX(0);
+ }
+}
+
+html[data-toolbar-density="compact"]{
+ --toolbar-height:30px;
+ }
+
+html[data-toolbar-density="touch"]{
+ --toolbar-height:44px;
+ }
+
+html,
+body{
+ height:100%;
+ width:100%;
+}
+
+body{
+ margin:0;
+ background-color:var(--body-bg-color);
+ scrollbar-color:var(--scrollbar-color) var(--scrollbar-bg-color);
+}
+
+body.wait::before{
+ content:"";
+ position:fixed;
+ width:100%;
+ height:100%;
+ z-index:100000;
+ cursor:wait;
+ }
+.visuallyHidden{
+ position:absolute;
+ top:0;
+ left:0;
+ border:0;
+ margin:0;
+ padding:0;
+ width:0;
+ height:0;
+ overflow:hidden;
+ white-space:nowrap;
+ font-size:0;
+}
+
+.hidden,
+[hidden]{
+ display:none !important;
+}
+
+#viewerContainer.pdfPresentationMode:fullscreen{
+ top:0;
+ background-color:rgb(0 0 0);
+ width:100%;
+ height:100%;
+ overflow:hidden;
+ cursor:none;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+}
+
+.pdfPresentationMode:fullscreen section:not([data-internal-link]){
+ pointer-events:none;
+}
+
+.pdfPresentationMode:fullscreen .textLayer span{
+ cursor:none;
+}
+
+.pdfPresentationMode.pdfPresentationModeControls > *,
+.pdfPresentationMode.pdfPresentationModeControls .textLayer span{
+ cursor:default;
+}
+
+#outerContainer{
+ width:100%;
+ height:100%;
+ position:relative;
+ margin:0;
+}
+
+#sidebarContainer{
+ position:absolute;
+ inset-block:var(--toolbar-height) 0;
+ inset-inline-start:calc(-1 * var(--sidebar-width));
+ width:var(--sidebar-width);
+ visibility:hidden;
+ z-index:1;
+ font:message-box;
+ border-top:1px solid transparent;
+ border-inline-end:var(--doorhanger-border-color-whcm);
+ transition-property:inset-inline-start;
+ transition-duration:var(--sidebar-transition-duration);
+ transition-timing-function:var(--sidebar-transition-timing-function);
+}
+
+#outerContainer:is(.sidebarMoving, .sidebarOpen) #sidebarContainer{
+ visibility:visible;
+}
+
+#outerContainer.sidebarOpen #sidebarContainer{
+ inset-inline-start:0;
+}
+
+#mainContainer{
+ position:absolute;
+ inset:0;
+ min-width:350px;
+ margin:0;
+ display:flex;
+ flex-direction:column;
+}
+
+#sidebarContent{
+ inset-block:var(--toolbar-height) 0;
+ inset-inline-start:0;
+ overflow:auto;
+ position:absolute;
+ width:100%;
+ box-shadow:inset calc(-1px * var(--dir-factor)) 0 0 rgb(0 0 0 / 0.25);
+}
+
+#viewerContainer{
+ overflow:auto;
+ position:absolute;
+ inset:var(--toolbar-height) 0 0;
+ outline:none;
+ z-index:0;
+}
+
+#viewerContainer:not(.pdfPresentationMode){
+ transition-duration:var(--sidebar-transition-duration);
+ transition-timing-function:var(--sidebar-transition-timing-function);
+}
+
+#outerContainer.sidebarOpen #viewerContainer:not(.pdfPresentationMode){
+ inset-inline-start:var(--sidebar-width);
+ transition-property:inset-inline-start;
+}
+
+#sidebarContainer :is(input, button, select){
+ font:message-box;
+}
+
+.toolbar{
+ z-index:2;
+}
+
+#toolbarSidebar{
+ width:100%;
+ height:var(--toolbar-height);
+ background-color:var(--sidebar-toolbar-bg-color);
+ box-shadow:var(--toolbarSidebar-box-shadow);
+ border-bottom:var(--toolbarSidebar-border-bottom);
+ padding:var(--toolbar-vertical-padding) var(--toolbar-horizontal-padding);
+ justify-content:space-between;
+}
+
+#toolbarSidebar #toolbarSidebarLeft{
+ width:auto;
+ height:100%;
+ }
+
+:is(#toolbarSidebar #toolbarSidebarLeft) #viewThumbnail::before{
+ -webkit-mask-image:var(--toolbarButton-viewThumbnail-icon);
+ mask-image:var(--toolbarButton-viewThumbnail-icon);
+ }
+
+:is(#toolbarSidebar #toolbarSidebarLeft) #viewOutline::before{
+ -webkit-mask-image:var(--toolbarButton-viewOutline-icon);
+ mask-image:var(--toolbarButton-viewOutline-icon);
+ transform:scaleX(var(--dir-factor));
+ }
+
+:is(#toolbarSidebar #toolbarSidebarLeft) #viewAttachments::before{
+ -webkit-mask-image:var(--toolbarButton-viewAttachments-icon);
+ mask-image:var(--toolbarButton-viewAttachments-icon);
+ }
+
+:is(#toolbarSidebar #toolbarSidebarLeft) #viewLayers::before{
+ -webkit-mask-image:var(--toolbarButton-viewLayers-icon);
+ mask-image:var(--toolbarButton-viewLayers-icon);
+ }
+
+#toolbarSidebar #toolbarSidebarRight{
+ width:auto;
+ height:100%;
+ padding-inline-end:2px;
+ }
+
+#sidebarResizer{
+ position:absolute;
+ inset-block:0;
+ inset-inline-end:-6px;
+ width:6px;
+ z-index:200;
+ cursor:ew-resize;
+}
+
+#outerContainer.sidebarOpen #loadingBar{
+ inset-inline-start:var(--sidebar-width);
+}
+
+#outerContainer.sidebarResizing
+ :is(#sidebarContainer, #viewerContainer, #loadingBar){
+ transition-duration:0s;
+}
+
+.doorHanger,
+.doorHangerRight{
+ border-radius:2px;
+ box-shadow:0 1px 5px var(--doorhanger-border-color), 0 0 0 1px var(--doorhanger-border-color);
+ border:var(--doorhanger-border-color-whcm);
+ background-color:var(--doorhanger-bg-color);
+ inset-block-start:calc(100% + var(--doorhanger-height) - 2px);
+}
+
+:is(.doorHanger,.doorHangerRight)::after,:is(.doorHanger,.doorHangerRight)::before{
+ bottom:100%;
+ border-style:solid;
+ border-color:transparent;
+ content:"";
+ height:0;
+ width:0;
+ position:absolute;
+ pointer-events:none;
+ opacity:var(--doorhanger-triangle-opacity-whcm);
+ }
+
+:is(.doorHanger,.doorHangerRight)::before{
+ border-width:calc(var(--doorhanger-height) + 2px);
+ border-bottom-color:var(--doorhanger-border-color);
+ }
+
+:is(.doorHanger,.doorHangerRight)::after{
+ border-width:var(--doorhanger-height);
+ }
+
+.doorHangerRight{
+ inset-inline-end:calc(50% - var(--doorhanger-height) - 1px);
+}
+
+.doorHangerRight::before{
+ inset-inline-end:-1px;
+ }
+
+.doorHangerRight::after{
+ border-bottom-color:var(--doorhanger-bg-color);
+ inset-inline-end:1px;
+ }
+
+.doorHanger{
+ inset-inline-start:calc(50% - var(--doorhanger-height) - 1px);
+}
+
+.doorHanger::before{
+ inset-inline-start:-1px;
+ }
+
+.doorHanger::after{
+ border-bottom-color:var(--toolbar-bg-color);
+ inset-inline-start:1px;
+ }
+
+.dialogButton{
+ border:none;
+ background:none;
+ width:28px;
+ height:28px;
+ outline:none;
+}
+
+.dialogButton:is(:hover, :focus-visible){
+ background-color:var(--dialog-button-hover-bg-color);
+}
+
+.dialogButton:is(:hover, :focus-visible) > span{
+ color:var(--dialog-button-hover-color);
+}
+
+.splitToolbarButtonSeparator{
+ float:var(--inline-start);
+ width:0;
+ height:62%;
+ border-left:1px solid var(--separator-color);
+ border-right:none;
+}
+
+.dialogButton{
+ min-width:16px;
+ margin:2px 1px;
+ padding:2px 6px 0;
+ border:none;
+ border-radius:2px;
+ color:var(--main-color);
+ font-size:12px;
+ line-height:14px;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ cursor:default;
+ box-sizing:border-box;
+}
+
+.treeItemToggler::before{
+ position:absolute;
+ display:inline-block;
+ width:16px;
+ height:16px;
+
+ content:"";
+ background-color:var(--toolbar-icon-bg-color);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+}
+
+#sidebarToggleButton::before{
+ -webkit-mask-image:var(--toolbarButton-sidebarToggle-icon);
+ mask-image:var(--toolbarButton-sidebarToggle-icon);
+ transform:scaleX(var(--dir-factor));
+}
+
+#secondaryToolbarToggleButton::before{
+ -webkit-mask-image:var(--toolbarButton-secondaryToolbarToggle-icon);
+ mask-image:var(--toolbarButton-secondaryToolbarToggle-icon);
+ transform:scaleX(var(--dir-factor));
+}
+
+#previous::before{
+ -webkit-mask-image:var(--toolbarButton-pageUp-icon);
+ mask-image:var(--toolbarButton-pageUp-icon);
+}
+
+#next::before{
+ -webkit-mask-image:var(--toolbarButton-pageDown-icon);
+ mask-image:var(--toolbarButton-pageDown-icon);
+}
+
+#zoomOutButton::before{
+ -webkit-mask-image:var(--toolbarButton-zoomOut-icon);
+ mask-image:var(--toolbarButton-zoomOut-icon);
+}
+
+#zoomInButton::before{
+ -webkit-mask-image:var(--toolbarButton-zoomIn-icon);
+ mask-image:var(--toolbarButton-zoomIn-icon);
+}
+
+#editorCommentButton::before{
+ -webkit-mask-image:var(--toolbarButton-editorComment-icon);
+ mask-image:var(--toolbarButton-editorComment-icon);
+ transform:scaleX(var(--dir-factor));
+}
+
+#editorFreeTextButton::before{
+ -webkit-mask-image:var(--toolbarButton-editorFreeText-icon);
+ mask-image:var(--toolbarButton-editorFreeText-icon);
+}
+
+#editorHighlightButton::before{
+ -webkit-mask-image:var(--toolbarButton-editorHighlight-icon);
+ mask-image:var(--toolbarButton-editorHighlight-icon);
+}
+
+#editorInkButton::before{
+ -webkit-mask-image:var(--toolbarButton-editorInk-icon);
+ mask-image:var(--toolbarButton-editorInk-icon);
+}
+
+#editorStampButton::before{
+ -webkit-mask-image:var(--toolbarButton-editorStamp-icon);
+ mask-image:var(--toolbarButton-editorStamp-icon);
+}
+
+#editorSignatureButton::before{
+ -webkit-mask-image:var(--toolbarButton-editorSignature-icon);
+ mask-image:var(--toolbarButton-editorSignature-icon);
+}
+
+#printButton::before{
+ -webkit-mask-image:var(--toolbarButton-print-icon);
+ mask-image:var(--toolbarButton-print-icon);
+}
+
+#downloadButton::before{
+ -webkit-mask-image:var(--toolbarButton-download-icon);
+ mask-image:var(--toolbarButton-download-icon);
+}
+
+#currentOutlineItem::before{
+ -webkit-mask-image:var(--toolbarButton-currentOutlineItem-icon);
+ mask-image:var(--toolbarButton-currentOutlineItem-icon);
+ transform:scaleX(var(--dir-factor));
+}
+
+#viewFindButton::before{
+ -webkit-mask-image:var(--toolbarButton-search-icon);
+ mask-image:var(--toolbarButton-search-icon);
+}
+
+.pdfSidebarNotification::after{
+ position:absolute;
+ display:inline-block;
+ top:2px;
+ inset-inline-end:2px;
+ content:"";
+ background-color:rgb(112 219 85);
+ height:9px;
+ width:9px;
+ border-radius:50%;
+}
+
+.verticalToolbarSeparator{
+ display:block;
+ margin-inline:2px;
+ width:0;
+ height:80%;
+ border-left:1px solid var(--separator-color);
+ border-right:none;
+ box-sizing:border-box;
+}
+
+.horizontalToolbarSeparator{
+ display:block;
+ margin:6px 0;
+ border-top:1px solid var(--doorhanger-separator-color);
+ border-bottom:none;
+ height:0;
+ width:100%;
+}
+
+.toggleButton{
+ display:inline;
+}
+
+.toggleButton:has( > input:checked){
+ color:var(--toggled-btn-color);
+ background-color:var(--toggled-btn-bg-color);
+ }
+
+.toggleButton:is(:hover,:has( > input:focus-visible)){
+ color:var(--toggled-btn-color);
+ background-color:var(--button-hover-color);
+ }
+
+.toggleButton > input{
+ position:absolute;
+ top:50%;
+ left:50%;
+ opacity:0;
+ width:0;
+ height:0;
+ }
+
+.toolbarField{
+ padding:4px 7px;
+ margin:3px 0;
+ border-radius:2px;
+ background-color:var(--field-bg-color);
+ background-clip:padding-box;
+ border:1px solid var(--field-border-color);
+ box-shadow:none;
+ color:var(--field-color);
+ font-size:12px;
+ line-height:16px;
+ outline:none;
+}
+
+.toolbarField:focus{
+ border-color:#0a84ff;
+ }
+
+#pageNumber{
+ -moz-appearance:textfield;
+ text-align:end;
+ width:40px;
+ background-size:0 0;
+ transition-property:none;
+}
+
+#pageNumber::-webkit-inner-spin-button{
+ -webkit-appearance:none;
+ }
+
+.loadingInput:has( > .loading:is(#pageNumber))::after{
+ display:inline;
+ visibility:visible;
+
+ transition-property:visibility;
+ transition-delay:var(--loading-icon-delay);
+ }
+
+.loadingInput{
+ position:relative;
+}
+
+.loadingInput::after{
+ position:absolute;
+ visibility:hidden;
+ display:none;
+ width:var(--icon-size);
+ height:var(--icon-size);
+
+ content:"";
+ background-color:var(--toolbar-icon-bg-color);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ -webkit-mask-image:var(--loading-icon);
+ mask-image:var(--loading-icon);
+ }
+
+.loadingInput.start::after{
+ inset-inline-start:4px;
+ }
+
+.loadingInput.end::after{
+ inset-inline-end:4px;
+ }
+
+#thumbnailView,
+#outlineView,
+#attachmentsView,
+#layersView{
+ position:absolute;
+ width:calc(100% - 8px);
+ inset-block:0;
+ padding:4px 4px 0;
+ overflow:auto;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+}
+
+#thumbnailView{
+ width:calc(100% - 60px);
+ padding:10px 30px 0;
+}
+
+#thumbnailView > a:is(:active, :focus){
+ outline:0;
+}
+
+.thumbnail{
+ --thumbnail-width:0;
+ --thumbnail-height:0;
+
+ float:var(--inline-start);
+ width:var(--thumbnail-width);
+ height:var(--thumbnail-height);
+ margin:0 10px 5px;
+ padding:1px;
+ border:7px solid transparent;
+ border-radius:2px;
+}
+
+#thumbnailView > a:last-of-type > .thumbnail{
+ margin-bottom:10px;
+}
+
+a:focus > .thumbnail,
+.thumbnail:hover{
+ border-color:var(--thumbnail-hover-color);
+}
+
+.thumbnail.selected{
+ border-color:var(--thumbnail-selected-color) !important;
+}
+
+.thumbnailImage{
+ width:var(--thumbnail-width);
+ height:var(--thumbnail-height);
+ opacity:0.9;
+}
+
+a:focus > .thumbnail > .thumbnailImage,
+.thumbnail:hover > .thumbnailImage{
+ opacity:0.95;
+}
+
+.thumbnail.selected > .thumbnailImage{
+ opacity:1 !important;
+}
+
+.thumbnail:not([data-loaded]) > .thumbnailImage{
+ width:calc(var(--thumbnail-width) - 2px);
+ height:calc(var(--thumbnail-height) - 2px);
+ border:1px dashed rgb(132 132 132);
+}
+
+.treeWithDeepNesting > .treeItem,
+.treeItem > .treeItems{
+ margin-inline-start:20px;
+}
+
+.treeItem > a{
+ text-decoration:none;
+ display:inline-block;
+ min-width:calc(100% - 4px);
+ height:auto;
+ margin-bottom:1px;
+ padding:2px 0 5px;
+ padding-inline-start:4px;
+ border-radius:2px;
+ color:var(--treeitem-color);
+ font-size:13px;
+ line-height:15px;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ white-space:normal;
+ cursor:pointer;
+}
+
+#layersView .treeItem > a *{
+ cursor:pointer;
+}
+
+#layersView .treeItem > a > label{
+ padding-inline-start:4px;
+}
+
+#layersView .treeItem > a > label > input{
+ float:var(--inline-start);
+ margin-top:1px;
+}
+
+.treeItemToggler{
+ position:relative;
+ float:var(--inline-start);
+ height:0;
+ width:0;
+ color:rgb(255 255 255 / 0.5);
+}
+
+.treeItemToggler::before{
+ inset-inline-end:4px;
+ -webkit-mask-image:var(--treeitem-expanded-icon);
+ mask-image:var(--treeitem-expanded-icon);
+}
+
+.treeItemToggler.treeItemsHidden::before{
+ -webkit-mask-image:var(--treeitem-collapsed-icon);
+ mask-image:var(--treeitem-collapsed-icon);
+ transform:scaleX(var(--dir-factor));
+}
+
+.treeItemToggler.treeItemsHidden ~ .treeItems{
+ display:none;
+}
+
+.treeItem.selected > a{
+ background-color:var(--treeitem-selected-bg-color);
+ color:var(--treeitem-selected-color);
+}
+
+.treeItemToggler:hover,
+.treeItemToggler:hover + a,
+.treeItemToggler:hover ~ .treeItems,
+.treeItem > a:hover{
+ background-color:var(--treeitem-bg-color);
+ background-clip:padding-box;
+ border-radius:2px;
+ color:var(--treeitem-hover-color);
+}
+
+#outlineOptionsContainer{
+ display:none;
+}
+
+#sidebarContainer:has(#outlineView:not(.hidden)) #outlineOptionsContainer{
+ display:inline flex;
+ }
+
+.dialogButton{
+ width:auto;
+ margin:3px 4px 2px !important;
+ padding:2px 11px;
+ color:var(--main-color);
+ background-color:var(--dialog-button-bg-color);
+ border:var(--dialog-button-border) !important;
+}
+
+dialog{
+ margin:auto;
+ padding:15px;
+ border-spacing:4px;
+ color:var(--main-color);
+ font:message-box;
+ font-size:12px;
+ line-height:14px;
+ background-color:var(--doorhanger-bg-color);
+ border:1px solid rgb(0 0 0 / 0.5);
+ border-radius:4px;
+ box-shadow:0 1px 4px rgb(0 0 0 / 0.3);
+}
+
+dialog::backdrop{
+ background-color:rgb(0 0 0 / 0.2);
+}
+
+dialog > .row{
+ display:table-row;
+}
+
+dialog > .row > *{
+ display:table-cell;
+}
+
+dialog .toolbarField{
+ margin:5px 0;
+}
+
+dialog .separator{
+ display:block;
+ margin:4px 0;
+ height:0;
+ width:100%;
+ border-top:1px solid var(--separator-color);
+ border-bottom:none;
+}
+
+dialog .buttonRow{
+ text-align:center;
+ vertical-align:middle;
+}
+
+dialog :link{
+ color:rgb(255 255 255);
+}
+
+#passwordDialog{
+ text-align:center;
+}
+
+#passwordDialog .toolbarField{
+ width:200px;
+}
+
+#documentPropertiesDialog{
+ text-align:left;
+}
+
+#documentPropertiesDialog .row > *{
+ min-width:100px;
+ text-align:start;
+}
+
+#documentPropertiesDialog .row > span{
+ width:125px;
+ word-wrap:break-word;
+}
+
+#documentPropertiesDialog .row > p{
+ max-width:225px;
+ word-wrap:break-word;
+}
+
+#documentPropertiesDialog .buttonRow{
+ margin-top:10px;
+}
+
+.grab-to-pan-grab{
+ cursor:grab !important;
+}
+
+.grab-to-pan-grab
+ *:not(input):not(textarea):not(button):not(select):not(:link){
+ cursor:inherit !important;
+}
+
+.grab-to-pan-grab:active,
+.grab-to-pan-grabbing{
+ cursor:grabbing !important;
+}
+
+.grab-to-pan-grabbing{
+ position:fixed;
+ background:rgb(0 0 0 / 0);
+ display:block;
+ inset:0;
+ overflow:hidden;
+ z-index:50000;
+}
+
+.toolbarButton{
+ height:100%;
+ aspect-ratio:1;
+ display:flex;
+ align-items:center;
+ justify-content:center;
+ background:none;
+ border:none;
+ color:var(--main-color);
+ outline:none;
+ border-radius:2px;
+ box-sizing:border-box;
+ font:message-box;
+ flex:none;
+ position:relative;
+ padding:0;
+}
+
+.toolbarButton > span{
+ display:inline-block;
+ width:0;
+ height:0;
+ overflow:hidden;
+ }
+
+.toolbarButton::before{
+ opacity:var(--toolbar-icon-opacity);
+ display:inline-block;
+ width:var(--icon-size);
+ height:var(--icon-size);
+ content:"";
+ background-color:var(--toolbar-icon-bg-color);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+ -webkit-mask-position:center;
+ mask-position:center;
+ }
+
+.toolbarButton.toggled{
+ background-color:var(--toggled-btn-bg-color);
+ color:var(--toggled-btn-color);
+ }
+
+.toolbarButton.toggled::before{
+ background-color:var(--toggled-btn-color);
+ }
+
+.toolbarButton.toggled:hover{
+ outline:var(--toggled-hover-btn-outline) !important;
+ }
+
+.toolbarButton.toggled:hover:active{
+ background-color:var(--toggled-hover-active-btn-color);
+ }
+
+.toolbarButton:is(:hover,:focus-visible){
+ background-color:var(--button-hover-color);
+ }
+
+.toolbarButton:is(:hover,:focus-visible)::before{
+ background-color:var(--toolbar-icon-hover-bg-color);
+ }
+
+.toolbarButton:is([disabled="disabled"],[disabled]){
+ opacity:0.5;
+ pointer-events:none;
+ }
+
+.toolbarButton.labeled{
+ width:100%;
+ min-height:var(--menuitem-height);
+ justify-content:flex-start;
+ gap:8px;
+ padding-inline-start:12px;
+ aspect-ratio:unset;
+ text-align:start;
+ white-space:normal;
+ cursor:default;
+ }
+
+.toolbarButton.labeled:is(a){
+ text-decoration:none;
+ }
+
+.toolbarButton.labeled[href="#"]:is(a){
+ opacity:0.5;
+ pointer-events:none;
+ }
+
+.toolbarButton.labeled::before{
+ opacity:var(--doorhanger-icon-opacity);
+ }
+
+.toolbarButton.labeled:is(:hover,:focus-visible){
+ color:var(--doorhanger-hover-color);
+ }
+
+.toolbarButton.labeled > span{
+ display:inline-block;
+ width:-moz-max-content;
+ width:max-content;
+ height:auto;
+ }
+
+.toolbarButtonWithContainer{
+ height:100%;
+ aspect-ratio:1;
+ display:inline-block;
+ position:relative;
+ flex:none;
+}
+
+.toolbarButtonWithContainer > .toolbarButton{
+ width:100%;
+ height:100%;
+ }
+
+.toolbarButtonWithContainer .menu{
+ padding-block:5px;
+ }
+
+.toolbarButtonWithContainer .menuContainer{
+ height:auto;
+ max-height:calc(
+ var(--viewer-container-height) - var(--toolbar-height) -
+ var(--doorhanger-height)
+ );
+ display:flex;
+ flex-direction:column;
+ box-sizing:border-box;
+ overflow-y:auto;
+ }
+
+.toolbarButtonWithContainer .editorParamsToolbar{
+ --editor-toolbar-min-width:220px;
+
+ height:auto;
+ min-width:var(--editor-toolbar-min-width);
+ width:-moz-max-content;
+ width:max-content;
+ position:absolute;
+ z-index:30000;
+ cursor:default;
+ }
+
+:is(.toolbarButtonWithContainer .editorParamsToolbar) :is(#editorStampAddImage,#editorSignatureAddSignature)::before{
+ -webkit-mask-image:var(--editorParams-stampAddImage-icon);
+ mask-image:var(--editorParams-stampAddImage-icon);
+ }
+
+:is(.toolbarButtonWithContainer .editorParamsToolbar) .editorParamsLabel{
+ flex:none;
+ font:menu;
+ font-size:13px;
+ font-style:normal;
+ font-weight:400;
+ line-height:150%;
+ width:-moz-fit-content;
+ width:fit-content;
+ inset-inline-start:0;
+ color:var(--main-color);
+ }
+
+:is(.toolbarButtonWithContainer .editorParamsToolbar) button:is(:hover,:focus-visible) .editorParamsLabel{
+ color:var(--doorhanger-hover-color);
+ }
+
+:is(.toolbarButtonWithContainer .editorParamsToolbar) .editorParamsToolbarContainer{
+ width:100%;
+ height:auto;
+ display:flex;
+ flex-direction:column;
+ box-sizing:border-box;
+ padding-inline:10px;
+ padding-block:10px;
+ }
+
+:is(:is(.toolbarButtonWithContainer .editorParamsToolbar) .editorParamsToolbarContainer) > .editorParamsSetter{
+ min-height:26px;
+ display:flex;
+ align-items:center;
+ justify-content:space-between;
+ }
+
+:is(:is(.toolbarButtonWithContainer .editorParamsToolbar) .editorParamsToolbarContainer) .editorParamsColor{
+ width:32px;
+ height:32px;
+ flex:none;
+ padding:0;
+ }
+
+:is(:is(.toolbarButtonWithContainer .editorParamsToolbar) .editorParamsToolbarContainer) .editorParamsSlider{
+ background-color:transparent;
+ width:90px;
+ flex:0 1 0;
+ font:message-box;
+ }
+
+:is(:is(:is(.toolbarButtonWithContainer .editorParamsToolbar) .editorParamsToolbarContainer) .editorParamsSlider)::-moz-range-progress{
+ background-color:black;
+ }
+
+:is(:is(:is(.toolbarButtonWithContainer .editorParamsToolbar) .editorParamsToolbarContainer) .editorParamsSlider)::-webkit-slider-runnable-track,:is(:is(:is(.toolbarButtonWithContainer .editorParamsToolbar) .editorParamsToolbarContainer) .editorParamsSlider)::-moz-range-track{
+ background-color:black;
+ }
+
+:is(:is(:is(.toolbarButtonWithContainer .editorParamsToolbar) .editorParamsToolbarContainer) .editorParamsSlider)::-webkit-slider-thumb,:is(:is(:is(.toolbarButtonWithContainer .editorParamsToolbar) .editorParamsToolbarContainer) .editorParamsSlider)::-moz-range-thumb{
+ background-color:white;
+ }
+
+#secondaryToolbar{
+ height:auto;
+ width:220px;
+ position:absolute;
+ z-index:30000;
+ cursor:default;
+ min-height:26px;
+ max-height:calc(var(--viewer-container-height) - 40px);
+}
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #secondaryOpenFile::before{
+ -webkit-mask-image:var(--toolbarButton-openFile-icon);
+ mask-image:var(--toolbarButton-openFile-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #secondaryPrint::before{
+ -webkit-mask-image:var(--toolbarButton-print-icon);
+ mask-image:var(--toolbarButton-print-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #secondaryDownload::before{
+ -webkit-mask-image:var(--toolbarButton-download-icon);
+ mask-image:var(--toolbarButton-download-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #presentationMode::before{
+ -webkit-mask-image:var(--toolbarButton-presentationMode-icon);
+ mask-image:var(--toolbarButton-presentationMode-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #viewBookmark::before{
+ -webkit-mask-image:var(--toolbarButton-bookmark-icon);
+ mask-image:var(--toolbarButton-bookmark-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #firstPage::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-firstPage-icon);
+ mask-image:var(--secondaryToolbarButton-firstPage-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #lastPage::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-lastPage-icon);
+ mask-image:var(--secondaryToolbarButton-lastPage-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #pageRotateCcw::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-rotateCcw-icon);
+ mask-image:var(--secondaryToolbarButton-rotateCcw-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #pageRotateCw::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-rotateCw-icon);
+ mask-image:var(--secondaryToolbarButton-rotateCw-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #cursorSelectTool::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-selectTool-icon);
+ mask-image:var(--secondaryToolbarButton-selectTool-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #cursorHandTool::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-handTool-icon);
+ mask-image:var(--secondaryToolbarButton-handTool-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #scrollPage::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-scrollPage-icon);
+ mask-image:var(--secondaryToolbarButton-scrollPage-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #scrollVertical::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-scrollVertical-icon);
+ mask-image:var(--secondaryToolbarButton-scrollVertical-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #scrollHorizontal::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-scrollHorizontal-icon);
+ mask-image:var(--secondaryToolbarButton-scrollHorizontal-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #scrollWrapped::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-scrollWrapped-icon);
+ mask-image:var(--secondaryToolbarButton-scrollWrapped-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #spreadNone::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-spreadNone-icon);
+ mask-image:var(--secondaryToolbarButton-spreadNone-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #spreadOdd::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-spreadOdd-icon);
+ mask-image:var(--secondaryToolbarButton-spreadOdd-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #spreadEven::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-spreadEven-icon);
+ mask-image:var(--secondaryToolbarButton-spreadEven-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #imageAltTextSettings::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-imageAltTextSettings-icon);
+ mask-image:var(--secondaryToolbarButton-imageAltTextSettings-icon);
+ }
+
+:is(#secondaryToolbar #secondaryToolbarButtonContainer) #documentProperties::before{
+ -webkit-mask-image:var(--secondaryToolbarButton-documentProperties-icon);
+ mask-image:var(--secondaryToolbarButton-documentProperties-icon);
+ }
+
+#findbar{
+ --input-horizontal-padding:4px;
+ --findbar-padding:2px;
+
+ width:-moz-max-content;
+
+ width:max-content;
+ max-width:90vw;
+ min-height:var(--toolbar-height);
+ height:auto;
+ position:absolute;
+ z-index:30000;
+ cursor:default;
+ padding:0;
+ min-width:300px;
+ background-color:var(--toolbar-bg-color);
+ box-sizing:border-box;
+ flex-wrap:wrap;
+ justify-content:flex-start;
+}
+
+#findbar > *{
+ height:var(--toolbar-height);
+ padding:var(--findbar-padding);
+ }
+
+#findbar #findInputContainer{
+ margin-inline-start:2px;
+ }
+
+:is(#findbar #findInputContainer) #findPreviousButton::before{
+ -webkit-mask-image:var(--findbarButton-previous-icon);
+ mask-image:var(--findbarButton-previous-icon);
+ }
+
+:is(#findbar #findInputContainer) #findNextButton::before{
+ -webkit-mask-image:var(--findbarButton-next-icon);
+ mask-image:var(--findbarButton-next-icon);
+ }
+
+:is(#findbar #findInputContainer) #findInput{
+ width:200px;
+ padding:5px var(--input-horizontal-padding);
+ }
+
+:is(:is(#findbar #findInputContainer) #findInput)::-moz-placeholder{
+ font-style:normal;
+ }
+
+:is(:is(#findbar #findInputContainer) #findInput)::placeholder{
+ font-style:normal;
+ }
+
+.loadingInput:has( > [data-status="pending"]:is(:is(#findbar #findInputContainer) #findInput))::after{
+ display:inline;
+ visibility:visible;
+ inset-inline-end:calc(var(--input-horizontal-padding) + 1px);
+ }
+
+[data-status="notFound"]:is(:is(#findbar #findInputContainer) #findInput){
+ background-color:rgb(255 102 102);
+ }
+
+#findbar #findbarMessageContainer{
+ display:none;
+ gap:4px;
+ }
+
+:is(#findbar #findbarMessageContainer):has( > :is(#findResultsCount,#findMsg):not(:empty)){
+ display:inline flex;
+ }
+
+:is(#findbar #findbarMessageContainer) #findResultsCount{
+ background-color:rgb(217 217 217);
+ color:rgb(82 82 82);
+ padding-block:4px;
+ }
+
+:is(:is(#findbar #findbarMessageContainer) #findResultsCount):empty{
+ display:none;
+ }
+
+[data-status="notFound"]:is(:is(#findbar #findbarMessageContainer) #findMsg){
+ font-weight:bold;
+ }
+
+:is(:is(#findbar #findbarMessageContainer) #findMsg):empty{
+ display:none;
+ }
+
+#findbar.wrapContainers{
+ flex-direction:column;
+ align-items:flex-start;
+ height:-moz-max-content;
+ height:max-content;
+ }
+
+#findbar.wrapContainers .toolbarLabel{
+ margin:0 4px;
+ }
+
+#findbar.wrapContainers #findbarMessageContainer{
+ flex-wrap:wrap;
+ flex-flow:column nowrap;
+ align-items:flex-start;
+ height:-moz-max-content;
+ height:max-content;
+ }
+
+:is(#findbar.wrapContainers #findbarMessageContainer) #findResultsCount{
+ height:calc(var(--toolbar-height) - 2 * var(--findbar-padding));
+ }
+
+:is(#findbar.wrapContainers #findbarMessageContainer) #findMsg{
+ min-height:var(--toolbar-height);
+ }
+
+@page{
+ margin:0;
+}
+
+#printContainer{
+ display:none;
+}
+
+@media print{
+ body{
+ background:rgb(0 0 0 / 0) none;
+ }
+
+ body[data-pdfjsprinting] #outerContainer{
+ display:none;
+ }
+
+ body[data-pdfjsprinting] #printContainer{
+ display:block;
+ }
+
+ #printContainer{
+ height:100%;
+ }
+ #printContainer > .printedPage{
+ page-break-after:always;
+ page-break-inside:avoid;
+ height:100%;
+ width:100%;
+
+ display:flex;
+ flex-direction:column;
+ justify-content:center;
+ align-items:center;
+ }
+
+ #printContainer > .xfaPrintedPage .xfaPage{
+ position:absolute;
+ }
+
+ #printContainer > .xfaPrintedPage{
+ page-break-after:always;
+ page-break-inside:avoid;
+ width:100%;
+ height:100%;
+ position:relative;
+ }
+
+ #printContainer > .printedPage :is(canvas, img){
+ max-width:100%;
+ max-height:100%;
+
+ direction:ltr;
+ display:block;
+ }
+}
+
+.visibleMediumView{
+ display:none !important;
+}
+
+.toolbarLabel{
+ width:-moz-max-content;
+ width:max-content;
+ min-width:16px;
+ height:100%;
+ padding-inline:4px;
+ margin:2px;
+ border-radius:2px;
+ color:var(--main-color);
+ font-size:12px;
+ line-height:14px;
+ text-align:left;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ cursor:default;
+ box-sizing:border-box;
+
+ display:inline flex;
+ flex-direction:column;
+ align-items:center;
+ justify-content:center;
+}
+
+.toolbarLabel > label{
+ width:100%;
+ }
+
+.toolbarHorizontalGroup{
+ height:100%;
+ display:inline flex;
+ flex-direction:row;
+ align-items:center;
+ justify-content:space-between;
+ gap:1px;
+ box-sizing:border-box;
+}
+
+.dropdownToolbarButton{
+ display:inline flex;
+ flex-direction:row;
+ align-items:center;
+ justify-content:center;
+ position:relative;
+
+ width:-moz-fit-content;
+
+ width:fit-content;
+ min-width:140px;
+ padding:0;
+ background-color:var(--dropdown-btn-bg-color);
+ border:var(--dropdown-btn-border);
+ border-radius:2px;
+ color:var(--main-color);
+ font-size:12px;
+ line-height:14px;
+ -webkit-user-select:none;
+ -moz-user-select:none;
+ user-select:none;
+ cursor:default;
+ box-sizing:border-box;
+ outline:none;
+}
+
+.dropdownToolbarButton:hover{
+ background-color:var(--button-hover-color);
+ }
+
+.dropdownToolbarButton > select{
+ -webkit-appearance:none;
+ -moz-appearance:none;
+ appearance:none;
+ width:inherit;
+ min-width:inherit;
+ height:28px;
+ font:message-box;
+ font-size:12px;
+ color:var(--main-color);
+ margin:0;
+ padding-block:1px 2px;
+ padding-inline:6px 38px;
+ border:none;
+ outline:none;
+ background-color:var(--dropdown-btn-bg-color);
+ }
+
+:is(.dropdownToolbarButton > select) > option{
+ background:var(--doorhanger-bg-color);
+ color:var(--main-color);
+ }
+
+:is(.dropdownToolbarButton > select):is(:hover,:focus-visible){
+ background-color:var(--button-hover-color);
+ color:var(--toggled-btn-color);
+ }
+
+.dropdownToolbarButton::after{
+ position:absolute;
+ display:inline;
+ width:var(--icon-size);
+ height:var(--icon-size);
+
+ content:"";
+ background-color:var(--toolbar-icon-bg-color);
+ -webkit-mask-size:cover;
+ mask-size:cover;
+
+ inset-inline-end:4px;
+ pointer-events:none;
+ -webkit-mask-image:var(--toolbarButton-menuArrow-icon);
+ mask-image:var(--toolbarButton-menuArrow-icon);
+ }
+
+.dropdownToolbarButton:is(:hover,:focus-visible,:active)::after{
+ background-color:var(--toolbar-icon-hover-bg-color);
+ }
+
+#toolbarContainer{
+ --menuitem-height:calc(var(--toolbar-height) - 6px);
+
+ width:100%;
+ height:var(--toolbar-height);
+ padding:var(--toolbar-vertical-padding) var(--toolbar-horizontal-padding);
+ position:relative;
+ box-sizing:border-box;
+ font:message-box;
+ background-color:var(--toolbar-bg-color);
+ box-shadow:var(--toolbar-box-shadow);
+ border-bottom:var(--toolbar-border-bottom);
+}
+
+#toolbarContainer #toolbarViewer{
+ width:100%;
+ height:100%;
+ justify-content:space-between;
+ }
+
+:is(#toolbarContainer #toolbarViewer) > *{
+ flex:none;
+ }
+
+:is(#toolbarContainer #toolbarViewer) input{
+ font:message-box;
+ }
+
+:is(#toolbarContainer #toolbarViewer) .toolbarButtonSpacer{
+ width:30px;
+ display:block;
+ height:1px;
+ }
+
+:is(#toolbarContainer #toolbarViewer) #toolbarViewerLeft #numPages.toolbarLabel{
+ padding-inline-start:3px;
+ flex:none;
+ }
+
+#toolbarContainer #loadingBar{
+ --progressBar-percent:0%;
+ --progressBar-end-offset:0;
+
+ position:absolute;
+ top:var(--toolbar-height);
+ inset-inline:0 var(--progressBar-end-offset);
+ height:4px;
+ background-color:var(--progressBar-bg-color);
+ border-bottom:1px solid var(--toolbar-border-color);
+ transition-property:inset-inline-start;
+ transition-duration:var(--sidebar-transition-duration);
+ transition-timing-function:var(--sidebar-transition-timing-function);
+ }
+
+:is(#toolbarContainer #loadingBar) .progress{
+ position:absolute;
+ top:0;
+ inset-inline-start:0;
+ width:100%;
+ transform:scaleX(var(--progressBar-percent));
+ transform-origin:calc(50% - 50% * var(--dir-factor)) 0;
+ height:100%;
+ background-color:var(--progressBar-color);
+ overflow:hidden;
+ transition:transform 200ms;
+ }
+
+.indeterminate:is(#toolbarContainer #loadingBar) .progress{
+ transform:none;
+ background-color:var(--progressBar-bg-color);
+ transition:none;
+ }
+
+:is(.indeterminate:is(#toolbarContainer #loadingBar) .progress) .glimmer{
+ position:absolute;
+ top:0;
+ inset-inline-start:0;
+ height:100%;
+ width:calc(100% + 150px);
+ background:repeating-linear-gradient(
+ 135deg,
+ var(--progressBar-blend-color) 0,
+ var(--progressBar-bg-color) 5px,
+ var(--progressBar-bg-color) 45px,
+ var(--progressBar-color) 55px,
+ var(--progressBar-color) 95px,
+ var(--progressBar-blend-color) 100px
+ );
+ animation:progressIndeterminate 1s linear infinite;
+ }
+
+@media all and (max-width: 840px){
+ #sidebarContainer{
+ background-color:var(--sidebar-narrow-bg-color);
+ }
+ #outerContainer.sidebarOpen #viewerContainer{
+ inset-inline-start:0 !important;
+ }
+}
+
+@media all and (max-width: 750px){
+ #outerContainer .hiddenMediumView{
+ display:none !important;
+ }
+ #outerContainer .visibleMediumView:not(.hidden, [hidden]){
+ display:inline-block !important;
+ }
+}
+
+@media all and (max-width: 690px){
+ .hiddenSmallView,
+ .hiddenSmallView *{
+ display:none !important;
+ }
+
+ #toolbarContainer #toolbarViewer .toolbarButtonSpacer{
+ width:0;
+ }
+}
+
+@media all and (max-width: 560px){
+ #scaleSelectContainer{
+ display:none;
+ }
+}
diff --git a/public/pdfjs-viewer/viewer.html b/public/pdfjs-viewer/viewer.html
new file mode 100644
index 00000000..cc68d441
--- /dev/null
+++ b/public/pdfjs-viewer/viewer.html
@@ -0,0 +1,776 @@
+
+
+
+
+
+
+
+ PDF.js viewer
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/public/pdfjs-viewer/viewer.mjs b/public/pdfjs-viewer/viewer.mjs
new file mode 100644
index 00000000..51e30749
--- /dev/null
+++ b/public/pdfjs-viewer/viewer.mjs
@@ -0,0 +1,18337 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * JavaScript code in this page
+ *
+ * Copyright 2024 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * JavaScript code in this page
+ */
+
+/**
+ * pdfjsVersion = 5.4.296
+ * pdfjsBuild = f56dc8601
+ */
+/******/ // The require scope
+/******/ var __webpack_require__ = {};
+/******/
+/************************************************************************/
+/******/ /* webpack/runtime/define property getters */
+/******/ (() => {
+/******/ // define getter functions for harmony exports
+/******/ __webpack_require__.d = (exports, definition) => {
+/******/ for(var key in definition) {
+/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
+/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
+/******/ }
+/******/ }
+/******/ };
+/******/ })();
+/******/
+/******/ /* webpack/runtime/hasOwnProperty shorthand */
+/******/ (() => {
+/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
+/******/ })();
+/******/
+/************************************************************************/
+var __webpack_exports__ = {};
+
+;// ./web/pdfjs.js
+const {
+ AbortException,
+ AnnotationEditorLayer,
+ AnnotationEditorParamsType,
+ AnnotationEditorType,
+ AnnotationEditorUIManager,
+ AnnotationLayer,
+ AnnotationMode,
+ AnnotationType,
+ applyOpacity,
+ build,
+ ColorPicker,
+ createValidAbsoluteUrl,
+ CSSConstants,
+ DOMSVGFactory,
+ DrawLayer,
+ FeatureTest,
+ fetchData,
+ findContrastColor,
+ getDocument,
+ getFilenameFromUrl,
+ getPdfFilenameFromUrl: pdfjs_getPdfFilenameFromUrl,
+ getRGB,
+ getUuid,
+ getXfaPageViewport,
+ GlobalWorkerOptions,
+ ImageKind,
+ InvalidPDFException,
+ isDataScheme,
+ isPdfFile,
+ isValidExplicitDest,
+ MathClamp,
+ noContextMenu,
+ normalizeUnicode,
+ OPS,
+ OutputScale,
+ PasswordResponses,
+ PDFDataRangeTransport,
+ PDFDateString,
+ PDFWorker,
+ PermissionFlag,
+ PixelsPerInch,
+ RenderingCancelledException,
+ renderRichText,
+ ResponseException,
+ setLayerDimensions,
+ shadow,
+ SignatureExtractor,
+ stopEvent,
+ SupportedImageMimeTypes,
+ TextLayer,
+ TouchManager,
+ updateUrlHash,
+ Util,
+ VerbosityLevel,
+ version,
+ XfaLayer
+} = globalThis.pdfjsLib;
+
+;// ./web/ui_utils.js
+
+const DEFAULT_SCALE_VALUE = "auto";
+const DEFAULT_SCALE = 1.0;
+const DEFAULT_SCALE_DELTA = 1.1;
+const MIN_SCALE = 0.1;
+const MAX_SCALE = 10.0;
+const UNKNOWN_SCALE = 0;
+const MAX_AUTO_SCALE = 1.25;
+const SCROLLBAR_PADDING = 40;
+const VERTICAL_PADDING = 5;
+const RenderingStates = {
+ INITIAL: 0,
+ RUNNING: 1,
+ PAUSED: 2,
+ FINISHED: 3
+};
+const PresentationModeState = {
+ UNKNOWN: 0,
+ NORMAL: 1,
+ CHANGING: 2,
+ FULLSCREEN: 3
+};
+const SidebarView = {
+ UNKNOWN: -1,
+ NONE: 0,
+ THUMBS: 1,
+ OUTLINE: 2,
+ ATTACHMENTS: 3,
+ LAYERS: 4
+};
+const TextLayerMode = {
+ DISABLE: 0,
+ ENABLE: 1,
+ ENABLE_PERMISSIONS: 2
+};
+const ScrollMode = {
+ UNKNOWN: -1,
+ VERTICAL: 0,
+ HORIZONTAL: 1,
+ WRAPPED: 2,
+ PAGE: 3
+};
+const SpreadMode = {
+ UNKNOWN: -1,
+ NONE: 0,
+ ODD: 1,
+ EVEN: 2
+};
+const CursorTool = {
+ SELECT: 0,
+ HAND: 1,
+ ZOOM: 2
+};
+const AutoPrintRegExp = /\bprint\s*\(/;
+function scrollIntoView(element, spot, scrollMatches = false) {
+ let parent = element.offsetParent;
+ if (!parent) {
+ console.error("offsetParent is not set -- cannot scroll");
+ return;
+ }
+ let offsetY = element.offsetTop + element.clientTop;
+ let offsetX = element.offsetLeft + element.clientLeft;
+ while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || scrollMatches && (parent.classList.contains("markedContent") || getComputedStyle(parent).overflow === "hidden")) {
+ offsetY += parent.offsetTop;
+ offsetX += parent.offsetLeft;
+ parent = parent.offsetParent;
+ if (!parent) {
+ return;
+ }
+ }
+ if (spot) {
+ if (spot.top !== undefined) {
+ offsetY += spot.top;
+ }
+ if (spot.left !== undefined) {
+ if (scrollMatches) {
+ const elementWidth = element.getBoundingClientRect().width;
+ const padding = MathClamp((parent.clientWidth - elementWidth) / 2, 20, 400);
+ offsetX += spot.left - padding;
+ } else {
+ offsetX += spot.left;
+ }
+ parent.scrollLeft = offsetX;
+ }
+ }
+ parent.scrollTop = offsetY;
+}
+function watchScroll(viewAreaElement, callback, abortSignal = undefined) {
+ const debounceScroll = function (evt) {
+ if (rAF) {
+ return;
+ }
+ rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
+ rAF = null;
+ const currentX = viewAreaElement.scrollLeft;
+ const lastX = state.lastX;
+ if (currentX !== lastX) {
+ state.right = currentX > lastX;
+ }
+ state.lastX = currentX;
+ const currentY = viewAreaElement.scrollTop;
+ const lastY = state.lastY;
+ if (currentY !== lastY) {
+ state.down = currentY > lastY;
+ }
+ state.lastY = currentY;
+ callback(state);
+ });
+ };
+ const state = {
+ right: true,
+ down: true,
+ lastX: viewAreaElement.scrollLeft,
+ lastY: viewAreaElement.scrollTop,
+ _eventHandler: debounceScroll
+ };
+ let rAF = null;
+ viewAreaElement.addEventListener("scroll", debounceScroll, {
+ useCapture: true,
+ signal: abortSignal
+ });
+ abortSignal?.addEventListener("abort", () => window.cancelAnimationFrame(rAF), {
+ once: true
+ });
+ return state;
+}
+function parseQueryString(query) {
+ const params = new Map();
+ for (const [key, value] of new URLSearchParams(query)) {
+ params.set(key.toLowerCase(), value);
+ }
+ return params;
+}
+const InvisibleCharsRegExp = /[\x00-\x1F]/g;
+function removeNullCharacters(str, replaceInvisible = false) {
+ if (!InvisibleCharsRegExp.test(str)) {
+ return str;
+ }
+ if (replaceInvisible) {
+ return str.replaceAll(InvisibleCharsRegExp, m => m === "\x00" ? "" : " ");
+ }
+ return str.replaceAll("\x00", "");
+}
+function binarySearchFirstItem(items, condition, start = 0) {
+ let minIndex = start;
+ let maxIndex = items.length - 1;
+ if (maxIndex < 0 || !condition(items[maxIndex])) {
+ return items.length;
+ }
+ if (condition(items[minIndex])) {
+ return minIndex;
+ }
+ while (minIndex < maxIndex) {
+ const currentIndex = minIndex + maxIndex >> 1;
+ const currentItem = items[currentIndex];
+ if (condition(currentItem)) {
+ maxIndex = currentIndex;
+ } else {
+ minIndex = currentIndex + 1;
+ }
+ }
+ return minIndex;
+}
+function approximateFraction(x) {
+ if (Math.floor(x) === x) {
+ return [x, 1];
+ }
+ const xinv = 1 / x;
+ const limit = 8;
+ if (xinv > limit) {
+ return [1, limit];
+ } else if (Math.floor(xinv) === xinv) {
+ return [1, xinv];
+ }
+ const x_ = x > 1 ? xinv : x;
+ let a = 0,
+ b = 1,
+ c = 1,
+ d = 1;
+ while (true) {
+ const p = a + c,
+ q = b + d;
+ if (q > limit) {
+ break;
+ }
+ if (x_ <= p / q) {
+ c = p;
+ d = q;
+ } else {
+ a = p;
+ b = q;
+ }
+ }
+ let result;
+ if (x_ - a / b < c / d - x_) {
+ result = x_ === x ? [a, b] : [b, a];
+ } else {
+ result = x_ === x ? [c, d] : [d, c];
+ }
+ return result;
+}
+function floorToDivide(x, div) {
+ return x - x % div;
+}
+function getPageSizeInches({
+ view,
+ userUnit,
+ rotate
+}) {
+ const [x1, y1, x2, y2] = view;
+ const changeOrientation = rotate % 180 !== 0;
+ const width = (x2 - x1) / 72 * userUnit;
+ const height = (y2 - y1) / 72 * userUnit;
+ return {
+ width: changeOrientation ? height : width,
+ height: changeOrientation ? width : height
+ };
+}
+function backtrackBeforeAllVisibleElements(index, views, top) {
+ if (index < 2) {
+ return index;
+ }
+ let elt = views[index].div;
+ let pageTop = elt.offsetTop + elt.clientTop;
+ if (pageTop >= top) {
+ elt = views[index - 1].div;
+ pageTop = elt.offsetTop + elt.clientTop;
+ }
+ for (let i = index - 2; i >= 0; --i) {
+ elt = views[i].div;
+ if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
+ break;
+ }
+ index = i;
+ }
+ return index;
+}
+function getVisibleElements({
+ scrollEl,
+ views,
+ sortByVisibility = false,
+ horizontal = false,
+ rtl = false
+}) {
+ const top = scrollEl.scrollTop,
+ bottom = top + scrollEl.clientHeight;
+ const left = scrollEl.scrollLeft,
+ right = left + scrollEl.clientWidth;
+ function isElementBottomAfterViewTop(view) {
+ const element = view.div;
+ const elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
+ return elementBottom > top;
+ }
+ function isElementNextAfterViewHorizontally(view) {
+ const element = view.div;
+ const elementLeft = element.offsetLeft + element.clientLeft;
+ const elementRight = elementLeft + element.clientWidth;
+ return rtl ? elementLeft < right : elementRight > left;
+ }
+ const visible = [],
+ ids = new Set(),
+ numViews = views.length;
+ let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop);
+ if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
+ firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
+ }
+ let lastEdge = horizontal ? right : -1;
+ for (let i = firstVisibleElementInd; i < numViews; i++) {
+ const view = views[i],
+ element = view.div;
+ const currentWidth = element.offsetLeft + element.clientLeft;
+ const currentHeight = element.offsetTop + element.clientTop;
+ const viewWidth = element.clientWidth,
+ viewHeight = element.clientHeight;
+ const viewRight = currentWidth + viewWidth;
+ const viewBottom = currentHeight + viewHeight;
+ if (lastEdge === -1) {
+ if (viewBottom >= bottom) {
+ lastEdge = viewBottom;
+ }
+ } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
+ break;
+ }
+ if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
+ continue;
+ }
+ const minY = Math.max(0, top - currentHeight);
+ const minX = Math.max(0, left - currentWidth);
+ const hiddenHeight = minY + Math.max(0, viewBottom - bottom);
+ const hiddenWidth = minX + Math.max(0, viewRight - right);
+ const fractionHeight = (viewHeight - hiddenHeight) / viewHeight,
+ fractionWidth = (viewWidth - hiddenWidth) / viewWidth;
+ const percent = fractionHeight * fractionWidth * 100 | 0;
+ visible.push({
+ id: view.id,
+ x: currentWidth,
+ y: currentHeight,
+ visibleArea: percent === 100 ? null : {
+ minX,
+ minY,
+ maxX: Math.min(viewRight, right) - currentWidth,
+ maxY: Math.min(viewBottom, bottom) - currentHeight
+ },
+ view,
+ percent,
+ widthPercent: fractionWidth * 100 | 0
+ });
+ ids.add(view.id);
+ }
+ const first = visible[0],
+ last = visible.at(-1);
+ if (sortByVisibility) {
+ visible.sort(function (a, b) {
+ const pc = a.percent - b.percent;
+ if (Math.abs(pc) > 0.001) {
+ return -pc;
+ }
+ return a.id - b.id;
+ });
+ }
+ return {
+ first,
+ last,
+ views: visible,
+ ids
+ };
+}
+function normalizeWheelEventDirection(evt) {
+ let delta = Math.hypot(evt.deltaX, evt.deltaY);
+ const angle = Math.atan2(evt.deltaY, evt.deltaX);
+ if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
+ delta = -delta;
+ }
+ return delta;
+}
+function normalizeWheelEventDelta(evt) {
+ const deltaMode = evt.deltaMode;
+ let delta = normalizeWheelEventDirection(evt);
+ const MOUSE_PIXELS_PER_LINE = 30;
+ const MOUSE_LINES_PER_PAGE = 30;
+ if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
+ delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
+ } else if (deltaMode === WheelEvent.DOM_DELTA_LINE) {
+ delta /= MOUSE_LINES_PER_PAGE;
+ }
+ return delta;
+}
+function isValidRotation(angle) {
+ return Number.isInteger(angle) && angle % 90 === 0;
+}
+function isValidScrollMode(mode) {
+ return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
+}
+function isValidSpreadMode(mode) {
+ return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
+}
+function isPortraitOrientation(size) {
+ return size.width <= size.height;
+}
+const animationStarted = new Promise(function (resolve) {
+ window.requestAnimationFrame(resolve);
+});
+const docStyle = document.documentElement.style;
+class ProgressBar {
+ #classList = null;
+ #disableAutoFetchTimeout = null;
+ #percent = 0;
+ #style = null;
+ #visible = true;
+ constructor(bar) {
+ this.#classList = bar.classList;
+ this.#style = bar.style;
+ }
+ get percent() {
+ return this.#percent;
+ }
+ set percent(val) {
+ this.#percent = MathClamp(val, 0, 100);
+ if (isNaN(val)) {
+ this.#classList.add("indeterminate");
+ return;
+ }
+ this.#classList.remove("indeterminate");
+ this.#style.setProperty("--progressBar-percent", `${this.#percent}%`);
+ }
+ setWidth(viewer) {
+ if (!viewer) {
+ return;
+ }
+ const container = viewer.parentNode;
+ const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
+ if (scrollbarWidth > 0) {
+ this.#style.setProperty("--progressBar-end-offset", `${scrollbarWidth}px`);
+ }
+ }
+ setDisableAutoFetch(delay = 5000) {
+ if (this.#percent === 100 || isNaN(this.#percent)) {
+ return;
+ }
+ if (this.#disableAutoFetchTimeout) {
+ clearTimeout(this.#disableAutoFetchTimeout);
+ }
+ this.show();
+ this.#disableAutoFetchTimeout = setTimeout(() => {
+ this.#disableAutoFetchTimeout = null;
+ this.hide();
+ }, delay);
+ }
+ hide() {
+ if (!this.#visible) {
+ return;
+ }
+ this.#visible = false;
+ this.#classList.add("hidden");
+ }
+ show() {
+ if (this.#visible) {
+ return;
+ }
+ this.#visible = true;
+ this.#classList.remove("hidden");
+ }
+}
+function getActiveOrFocusedElement() {
+ let curRoot = document;
+ let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
+ while (curActiveOrFocused?.shadowRoot) {
+ curRoot = curActiveOrFocused.shadowRoot;
+ curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
+ }
+ return curActiveOrFocused;
+}
+function apiPageLayoutToViewerModes(layout) {
+ let scrollMode = ScrollMode.VERTICAL,
+ spreadMode = SpreadMode.NONE;
+ switch (layout) {
+ case "SinglePage":
+ scrollMode = ScrollMode.PAGE;
+ break;
+ case "OneColumn":
+ break;
+ case "TwoPageLeft":
+ scrollMode = ScrollMode.PAGE;
+ case "TwoColumnLeft":
+ spreadMode = SpreadMode.ODD;
+ break;
+ case "TwoPageRight":
+ scrollMode = ScrollMode.PAGE;
+ case "TwoColumnRight":
+ spreadMode = SpreadMode.EVEN;
+ break;
+ }
+ return {
+ scrollMode,
+ spreadMode
+ };
+}
+function apiPageModeToSidebarView(mode) {
+ switch (mode) {
+ case "UseNone":
+ return SidebarView.NONE;
+ case "UseThumbs":
+ return SidebarView.THUMBS;
+ case "UseOutlines":
+ return SidebarView.OUTLINE;
+ case "UseAttachments":
+ return SidebarView.ATTACHMENTS;
+ case "UseOC":
+ return SidebarView.LAYERS;
+ }
+ return SidebarView.NONE;
+}
+function toggleCheckedBtn(button, toggle, view = null) {
+ button.classList.toggle("toggled", toggle);
+ button.setAttribute("aria-checked", toggle);
+ view?.classList.toggle("hidden", !toggle);
+}
+function toggleExpandedBtn(button, toggle, view = null) {
+ button.classList.toggle("toggled", toggle);
+ button.setAttribute("aria-expanded", toggle);
+ view?.classList.toggle("hidden", !toggle);
+}
+const calcRound = function () {
+ const e = document.createElement("div");
+ e.style.width = "round(down, calc(1.6666666666666665 * 792px), 1px)";
+ return e.style.width === "calc(1320px)" ? Math.fround : x => x;
+}();
+
+;// ./web/app_options.js
+{
+ var compatParams = new Map();
+ const {
+ maxTouchPoints,
+ platform,
+ userAgent
+ } = navigator;
+ const isAndroid = /Android/.test(userAgent);
+ const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
+ (function () {
+ if (isIOS || isAndroid) {
+ compatParams.set("maxCanvasPixels", 5242880);
+ }
+ })();
+ (function () {
+ if (isAndroid) {
+ compatParams.set("useSystemFonts", false);
+ }
+ })();
+}
+const OptionKind = {
+ BROWSER: 0x01,
+ VIEWER: 0x02,
+ API: 0x04,
+ WORKER: 0x08,
+ EVENT_DISPATCH: 0x10,
+ PREFERENCE: 0x80
+};
+const Type = {
+ BOOLEAN: 0x01,
+ NUMBER: 0x02,
+ OBJECT: 0x04,
+ STRING: 0x08,
+ UNDEFINED: 0x10
+};
+const defaultOptions = {
+ allowedGlobalEvents: {
+ value: null,
+ kind: OptionKind.BROWSER
+ },
+ canvasMaxAreaInBytes: {
+ value: -1,
+ kind: OptionKind.BROWSER + OptionKind.API
+ },
+ isInAutomation: {
+ value: false,
+ kind: OptionKind.BROWSER
+ },
+ localeProperties: {
+ value: {
+ lang: navigator.language || "en-US"
+ },
+ kind: OptionKind.BROWSER
+ },
+ maxCanvasDim: {
+ value: 32767,
+ kind: OptionKind.BROWSER + OptionKind.VIEWER
+ },
+ nimbusDataStr: {
+ value: "",
+ kind: OptionKind.BROWSER
+ },
+ supportsCaretBrowsingMode: {
+ value: false,
+ kind: OptionKind.BROWSER
+ },
+ supportsDocumentFonts: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsIntegratedFind: {
+ value: false,
+ kind: OptionKind.BROWSER
+ },
+ supportsMouseWheelZoomCtrlKey: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsMouseWheelZoomMetaKey: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsPinchToZoom: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsPrinting: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ toolbarDensity: {
+ value: 0,
+ kind: OptionKind.BROWSER + OptionKind.EVENT_DISPATCH
+ },
+ altTextLearnMoreUrl: {
+ value: "",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ annotationEditorMode: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ annotationMode: {
+ value: 2,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ capCanvasAreaFactor: {
+ value: 200,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ commentLearnMoreUrl: {
+ value: "",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ cursorToolOnLoad: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ debuggerSrc: {
+ value: "./debugger.mjs",
+ kind: OptionKind.VIEWER
+ },
+ defaultZoomDelay: {
+ value: 400,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ defaultZoomValue: {
+ value: "",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ disableHistory: {
+ value: false,
+ kind: OptionKind.VIEWER
+ },
+ disablePageLabels: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableAltText: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableAltTextModelDownload: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE + OptionKind.EVENT_DISPATCH
+ },
+ enableAutoLinking: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableComment: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableDetailCanvas: {
+ value: true,
+ kind: OptionKind.VIEWER
+ },
+ enableGuessAltText: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE + OptionKind.EVENT_DISPATCH
+ },
+ enableHighlightFloatingButton: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableNewAltTextWhenAddingImage: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableOptimizedPartialRendering: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enablePermissions: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enablePrintAutoRotate: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableScripting: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableSignatureEditor: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableUpdatedAddImage: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ externalLinkRel: {
+ value: "noopener noreferrer nofollow",
+ kind: OptionKind.VIEWER
+ },
+ externalLinkTarget: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ highlightEditorColors: {
+ value: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F," + "yellow_HCM=#FFFFCC,green_HCM=#53FFBC,blue_HCM=#80EBFF,pink_HCM=#F6B8FF,red_HCM=#C50043",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ historyUpdateUrl: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ ignoreDestinationZoom: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ imageResourcesPath: {
+ value: "./images/",
+ kind: OptionKind.VIEWER
+ },
+ maxCanvasPixels: {
+ value: 2 ** 25,
+ kind: OptionKind.VIEWER
+ },
+ minDurationToUpdateCanvas: {
+ value: 500,
+ kind: OptionKind.VIEWER
+ },
+ forcePageColors: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ pageColorsBackground: {
+ value: "Canvas",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ pageColorsForeground: {
+ value: "CanvasText",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ pdfBugEnabled: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ printResolution: {
+ value: 150,
+ kind: OptionKind.VIEWER
+ },
+ sidebarViewOnLoad: {
+ value: -1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ scrollModeOnLoad: {
+ value: -1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ spreadModeOnLoad: {
+ value: -1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ textLayerMode: {
+ value: 1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ viewerCssTheme: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ viewOnLoad: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ cMapPacked: {
+ value: true,
+ kind: OptionKind.API
+ },
+ cMapUrl: {
+ value: "../web/cmaps/",
+ kind: OptionKind.API
+ },
+ disableAutoFetch: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ disableFontFace: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ disableRange: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ disableStream: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ docBaseUrl: {
+ value: "",
+ kind: OptionKind.API
+ },
+ enableHWA: {
+ value: true,
+ kind: OptionKind.API + OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableXfa: {
+ value: true,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ fontExtraProperties: {
+ value: false,
+ kind: OptionKind.API
+ },
+ iccUrl: {
+ value: "../web/iccs/",
+ kind: OptionKind.API
+ },
+ isEvalSupported: {
+ value: true,
+ kind: OptionKind.API
+ },
+ isOffscreenCanvasSupported: {
+ value: true,
+ kind: OptionKind.API
+ },
+ maxImageSize: {
+ value: -1,
+ kind: OptionKind.API
+ },
+ pdfBug: {
+ value: false,
+ kind: OptionKind.API
+ },
+ standardFontDataUrl: {
+ value: "../web/standard_fonts/",
+ kind: OptionKind.API
+ },
+ useSystemFonts: {
+ value: undefined,
+ kind: OptionKind.API,
+ type: Type.BOOLEAN + Type.UNDEFINED
+ },
+ verbosity: {
+ value: 1,
+ kind: OptionKind.API
+ },
+ wasmUrl: {
+ value: "../web/wasm/",
+ kind: OptionKind.API
+ },
+ workerPort: {
+ value: null,
+ kind: OptionKind.WORKER
+ },
+ workerSrc: {
+ value: "pdf.worker.mjs",
+ kind: OptionKind.WORKER
+ }
+};
+{
+ defaultOptions.defaultUrl = {
+ value: "compressed.tracemonkey-pldi-09.pdf",
+ kind: OptionKind.VIEWER
+ };
+ defaultOptions.sandboxBundleSrc = {
+ value: "./pdf.sandbox.mjs",
+ kind: OptionKind.VIEWER
+ };
+ defaultOptions.enableFakeMLManager = {
+ value: true,
+ kind: OptionKind.VIEWER
+ };
+}
+{
+ defaultOptions.disablePreferences = {
+ value: false,
+ kind: OptionKind.VIEWER
+ };
+}
+class AppOptions {
+ static eventBus;
+ static #opts = new Map();
+ static {
+ for (const name in defaultOptions) {
+ this.#opts.set(name, defaultOptions[name].value);
+ }
+ for (const [name, value] of compatParams) {
+ this.#opts.set(name, value);
+ }
+ this._hasInvokedSet = false;
+ this._checkDisablePreferences = () => {
+ if (this.get("disablePreferences")) {
+ return true;
+ }
+ if (this._hasInvokedSet) {
+ console.warn("The Preferences may override manually set AppOptions; " + 'please use the "disablePreferences"-option to prevent that.');
+ }
+ return false;
+ };
+ }
+ static get(name) {
+ return this.#opts.get(name);
+ }
+ static getAll(kind = null, defaultOnly = false) {
+ const options = Object.create(null);
+ for (const name in defaultOptions) {
+ const defaultOpt = defaultOptions[name];
+ if (kind && !(kind & defaultOpt.kind)) {
+ continue;
+ }
+ options[name] = !defaultOnly ? this.#opts.get(name) : defaultOpt.value;
+ }
+ return options;
+ }
+ static set(name, value) {
+ this.setAll({
+ [name]: value
+ });
+ }
+ static setAll(options, prefs = false) {
+ this._hasInvokedSet ||= true;
+ let events;
+ for (const name in options) {
+ const defaultOpt = defaultOptions[name],
+ userOpt = options[name];
+ if (!defaultOpt || !(typeof userOpt === typeof defaultOpt.value || Type[(typeof userOpt).toUpperCase()] & defaultOpt.type)) {
+ continue;
+ }
+ const {
+ kind
+ } = defaultOpt;
+ if (prefs && !(kind & OptionKind.BROWSER || kind & OptionKind.PREFERENCE)) {
+ continue;
+ }
+ if (this.eventBus && kind & OptionKind.EVENT_DISPATCH) {
+ (events ||= new Map()).set(name, userOpt);
+ }
+ this.#opts.set(name, userOpt);
+ }
+ if (events) {
+ for (const [name, value] of events) {
+ this.eventBus.dispatch(name.toLowerCase(), {
+ source: this,
+ value
+ });
+ }
+ }
+ }
+}
+
+;// ./web/pdf_link_service.js
+
+
+const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
+const LinkTarget = {
+ NONE: 0,
+ SELF: 1,
+ BLANK: 2,
+ PARENT: 3,
+ TOP: 4
+};
+class PDFLinkService {
+ externalLinkEnabled = true;
+ constructor({
+ eventBus,
+ externalLinkTarget = null,
+ externalLinkRel = null,
+ ignoreDestinationZoom = false
+ } = {}) {
+ this.eventBus = eventBus;
+ this.externalLinkTarget = externalLinkTarget;
+ this.externalLinkRel = externalLinkRel;
+ this._ignoreDestinationZoom = ignoreDestinationZoom;
+ this.baseUrl = null;
+ this.pdfDocument = null;
+ this.pdfViewer = null;
+ this.pdfHistory = null;
+ }
+ setDocument(pdfDocument, baseUrl = null) {
+ this.baseUrl = baseUrl;
+ this.pdfDocument = pdfDocument;
+ }
+ setViewer(pdfViewer) {
+ this.pdfViewer = pdfViewer;
+ }
+ setHistory(pdfHistory) {
+ this.pdfHistory = pdfHistory;
+ }
+ get pagesCount() {
+ return this.pdfDocument ? this.pdfDocument.numPages : 0;
+ }
+ get page() {
+ return this.pdfDocument ? this.pdfViewer.currentPageNumber : 1;
+ }
+ set page(value) {
+ if (this.pdfDocument) {
+ this.pdfViewer.currentPageNumber = value;
+ }
+ }
+ get rotation() {
+ return this.pdfDocument ? this.pdfViewer.pagesRotation : 0;
+ }
+ set rotation(value) {
+ if (this.pdfDocument) {
+ this.pdfViewer.pagesRotation = value;
+ }
+ }
+ get isInPresentationMode() {
+ return this.pdfDocument ? this.pdfViewer.isInPresentationMode : false;
+ }
+ async goToDestination(dest) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ let namedDest, explicitDest, pageNumber;
+ if (typeof dest === "string") {
+ namedDest = dest;
+ explicitDest = await this.pdfDocument.getDestination(dest);
+ } else {
+ namedDest = null;
+ explicitDest = await dest;
+ }
+ if (!Array.isArray(explicitDest)) {
+ console.error(`goToDestination: "${explicitDest}" is not a valid destination array, for dest="${dest}".`);
+ return;
+ }
+ const [destRef] = explicitDest;
+ if (destRef && typeof destRef === "object") {
+ pageNumber = this.pdfDocument.cachedPageNumber(destRef);
+ if (!pageNumber) {
+ try {
+ pageNumber = (await this.pdfDocument.getPageIndex(destRef)) + 1;
+ } catch {
+ console.error(`goToDestination: "${destRef}" is not a valid page reference, for dest="${dest}".`);
+ return;
+ }
+ }
+ } else if (Number.isInteger(destRef)) {
+ pageNumber = destRef + 1;
+ }
+ if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
+ console.error(`goToDestination: "${pageNumber}" is not a valid page number, for dest="${dest}".`);
+ return;
+ }
+ if (this.pdfHistory) {
+ this.pdfHistory.pushCurrentPosition();
+ this.pdfHistory.push({
+ namedDest,
+ explicitDest,
+ pageNumber
+ });
+ }
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber,
+ destArray: explicitDest,
+ ignoreDestinationZoom: this._ignoreDestinationZoom
+ });
+ const ac = new AbortController();
+ this.eventBus._on("textlayerrendered", evt => {
+ if (evt.pageNumber === pageNumber) {
+ evt.source.textLayer.div.focus();
+ ac.abort();
+ }
+ }, {
+ signal: ac.signal
+ });
+ }
+ goToPage(val) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const pageNumber = typeof val === "string" && this.pdfViewer.pageLabelToPageNumber(val) || val | 0;
+ if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
+ console.error(`PDFLinkService.goToPage: "${val}" is not a valid page.`);
+ return;
+ }
+ if (this.pdfHistory) {
+ this.pdfHistory.pushCurrentPosition();
+ this.pdfHistory.pushPage(pageNumber);
+ }
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber
+ });
+ }
+ goToXY(pageNumber, x, y, options = {}) {
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber,
+ destArray: [null, {
+ name: "XYZ"
+ }, x, y],
+ ignoreDestinationZoom: true,
+ ...options
+ });
+ }
+ addLinkAttributes(link, url, newWindow = false) {
+ if (!url || typeof url !== "string") {
+ throw new Error('A valid "url" parameter must provided.');
+ }
+ const target = newWindow ? LinkTarget.BLANK : this.externalLinkTarget,
+ rel = this.externalLinkRel;
+ if (this.externalLinkEnabled) {
+ link.href = link.title = url;
+ } else {
+ link.href = "";
+ link.title = `Disabled: ${url}`;
+ link.onclick = () => false;
+ }
+ let targetStr = "";
+ switch (target) {
+ case LinkTarget.NONE:
+ break;
+ case LinkTarget.SELF:
+ targetStr = "_self";
+ break;
+ case LinkTarget.BLANK:
+ targetStr = "_blank";
+ break;
+ case LinkTarget.PARENT:
+ targetStr = "_parent";
+ break;
+ case LinkTarget.TOP:
+ targetStr = "_top";
+ break;
+ }
+ link.target = targetStr;
+ link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
+ }
+ getDestinationHash(dest) {
+ if (typeof dest === "string") {
+ if (dest.length > 0) {
+ return this.getAnchorUrl("#" + escape(dest));
+ }
+ } else if (Array.isArray(dest)) {
+ const str = JSON.stringify(dest);
+ if (str.length > 0) {
+ return this.getAnchorUrl("#" + escape(str));
+ }
+ }
+ return this.getAnchorUrl("");
+ }
+ getAnchorUrl(anchor) {
+ return this.baseUrl ? this.baseUrl + anchor : anchor;
+ }
+ setHash(hash) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ let pageNumber, dest;
+ if (hash.includes("=")) {
+ const params = parseQueryString(hash);
+ if (params.has("search")) {
+ const query = params.get("search").replaceAll('"', ""),
+ phrase = params.get("phrase") === "true";
+ this.eventBus.dispatch("findfromurlhash", {
+ source: this,
+ query: phrase ? query : query.match(/\S+/g)
+ });
+ }
+ if (params.has("page")) {
+ pageNumber = params.get("page") | 0 || 1;
+ }
+ if (params.has("zoom")) {
+ const zoomArgs = params.get("zoom").split(",");
+ const zoomArg = zoomArgs[0];
+ const zoomArgNumber = parseFloat(zoomArg);
+ if (!zoomArg.includes("Fit")) {
+ dest = [null, {
+ name: "XYZ"
+ }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
+ } else if (zoomArg === "Fit" || zoomArg === "FitB") {
+ dest = [null, {
+ name: zoomArg
+ }];
+ } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
+ dest = [null, {
+ name: zoomArg
+ }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
+ } else if (zoomArg === "FitR") {
+ if (zoomArgs.length !== 5) {
+ console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
+ } else {
+ dest = [null, {
+ name: zoomArg
+ }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
+ }
+ } else {
+ console.error(`PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`);
+ }
+ }
+ if (dest) {
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber: pageNumber || this.page,
+ destArray: dest,
+ allowNegativeOffset: true
+ });
+ } else if (pageNumber) {
+ this.page = pageNumber;
+ }
+ if (params.has("pagemode")) {
+ this.eventBus.dispatch("pagemode", {
+ source: this,
+ mode: params.get("pagemode")
+ });
+ }
+ if (params.has("nameddest")) {
+ this.goToDestination(params.get("nameddest"));
+ }
+ return;
+ }
+ dest = unescape(hash);
+ try {
+ dest = JSON.parse(dest);
+ if (!Array.isArray(dest)) {
+ dest = dest.toString();
+ }
+ } catch {}
+ if (typeof dest === "string" || isValidExplicitDest(dest)) {
+ this.goToDestination(dest);
+ return;
+ }
+ console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not a valid destination.`);
+ }
+ executeNamedAction(action) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ switch (action) {
+ case "GoBack":
+ this.pdfHistory?.back();
+ break;
+ case "GoForward":
+ this.pdfHistory?.forward();
+ break;
+ case "NextPage":
+ this.pdfViewer.nextPage();
+ break;
+ case "PrevPage":
+ this.pdfViewer.previousPage();
+ break;
+ case "LastPage":
+ this.page = this.pagesCount;
+ break;
+ case "FirstPage":
+ this.page = 1;
+ break;
+ default:
+ break;
+ }
+ this.eventBus.dispatch("namedaction", {
+ source: this,
+ action
+ });
+ }
+ async executeSetOCGState(action) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const pdfDocument = this.pdfDocument,
+ optionalContentConfig = await this.pdfViewer.optionalContentConfigPromise;
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ optionalContentConfig.setOCGState(action);
+ this.pdfViewer.optionalContentConfigPromise = Promise.resolve(optionalContentConfig);
+ }
+}
+class SimpleLinkService extends PDFLinkService {
+ setDocument(pdfDocument, baseUrl = null) {}
+}
+
+;// ./web/event_utils.js
+const WaitOnType = {
+ EVENT: "event",
+ TIMEOUT: "timeout"
+};
+async function waitOnEventOrTimeout({
+ target,
+ name,
+ delay = 0
+}) {
+ if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
+ throw new Error("waitOnEventOrTimeout - invalid parameters.");
+ }
+ const {
+ promise,
+ resolve
+ } = Promise.withResolvers();
+ const ac = new AbortController();
+ function handler(type) {
+ ac.abort();
+ clearTimeout(timeout);
+ resolve(type);
+ }
+ const evtMethod = target instanceof EventBus ? "_on" : "addEventListener";
+ target[evtMethod](name, handler.bind(null, WaitOnType.EVENT), {
+ signal: ac.signal
+ });
+ const timeout = setTimeout(handler.bind(null, WaitOnType.TIMEOUT), delay);
+ return promise;
+}
+class EventBus {
+ #listeners = Object.create(null);
+ on(eventName, listener, options = null) {
+ this._on(eventName, listener, {
+ external: true,
+ once: options?.once,
+ signal: options?.signal
+ });
+ }
+ off(eventName, listener, options = null) {
+ this._off(eventName, listener);
+ }
+ dispatch(eventName, data) {
+ const eventListeners = this.#listeners[eventName];
+ if (!eventListeners || eventListeners.length === 0) {
+ return;
+ }
+ let externalListeners;
+ for (const {
+ listener,
+ external,
+ once
+ } of eventListeners.slice(0)) {
+ if (once) {
+ this._off(eventName, listener);
+ }
+ if (external) {
+ (externalListeners ||= []).push(listener);
+ continue;
+ }
+ listener(data);
+ }
+ if (externalListeners) {
+ for (const listener of externalListeners) {
+ listener(data);
+ }
+ externalListeners = null;
+ }
+ }
+ _on(eventName, listener, options = null) {
+ let rmAbort = null;
+ if (options?.signal instanceof AbortSignal) {
+ const {
+ signal
+ } = options;
+ if (signal.aborted) {
+ console.error("Cannot use an `aborted` signal.");
+ return;
+ }
+ const onAbort = () => this._off(eventName, listener);
+ rmAbort = () => signal.removeEventListener("abort", onAbort);
+ signal.addEventListener("abort", onAbort);
+ }
+ const eventListeners = this.#listeners[eventName] ||= [];
+ eventListeners.push({
+ listener,
+ external: options?.external === true,
+ once: options?.once === true,
+ rmAbort
+ });
+ }
+ _off(eventName, listener, options = null) {
+ const eventListeners = this.#listeners[eventName];
+ if (!eventListeners) {
+ return;
+ }
+ for (let i = 0, ii = eventListeners.length; i < ii; i++) {
+ const evt = eventListeners[i];
+ if (evt.listener === listener) {
+ evt.rmAbort?.();
+ eventListeners.splice(i, 1);
+ return;
+ }
+ }
+ }
+}
+class FirefoxEventBus extends EventBus {
+ #externalServices;
+ #globalEventNames;
+ #isInAutomation;
+ constructor(globalEventNames, externalServices, isInAutomation) {
+ super();
+ this.#globalEventNames = globalEventNames;
+ this.#externalServices = externalServices;
+ this.#isInAutomation = isInAutomation;
+ }
+ dispatch(eventName, data) {
+ throw new Error("Not implemented: FirefoxEventBus.dispatch");
+ }
+}
+
+;// ./web/external_services.js
+class BaseExternalServices {
+ updateFindControlState(data) {}
+ updateFindMatchesCount(data) {}
+ initPassiveLoading() {}
+ reportTelemetry(data) {}
+ async createL10n() {
+ throw new Error("Not implemented: createL10n");
+ }
+ createScripting() {
+ throw new Error("Not implemented: createScripting");
+ }
+ createSignatureStorage() {
+ throw new Error("Not implemented: createSignatureStorage");
+ }
+ updateEditorStates(data) {
+ throw new Error("Not implemented: updateEditorStates");
+ }
+ dispatchGlobalEvent(_event) {}
+}
+
+;// ./web/preferences.js
+
+class BasePreferences {
+ #defaults = Object.freeze({
+ altTextLearnMoreUrl: "",
+ annotationEditorMode: 0,
+ annotationMode: 2,
+ capCanvasAreaFactor: 200,
+ commentLearnMoreUrl: "",
+ cursorToolOnLoad: 0,
+ defaultZoomDelay: 400,
+ defaultZoomValue: "",
+ disablePageLabels: false,
+ enableAltText: false,
+ enableAltTextModelDownload: true,
+ enableAutoLinking: true,
+ enableComment: false,
+ enableGuessAltText: true,
+ enableHighlightFloatingButton: false,
+ enableNewAltTextWhenAddingImage: true,
+ enableOptimizedPartialRendering: false,
+ enablePermissions: false,
+ enablePrintAutoRotate: true,
+ enableScripting: true,
+ enableSignatureEditor: true,
+ enableUpdatedAddImage: false,
+ externalLinkTarget: 0,
+ highlightEditorColors: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F,yellow_HCM=#FFFFCC,green_HCM=#53FFBC,blue_HCM=#80EBFF,pink_HCM=#F6B8FF,red_HCM=#C50043",
+ historyUpdateUrl: false,
+ ignoreDestinationZoom: false,
+ forcePageColors: false,
+ pageColorsBackground: "Canvas",
+ pageColorsForeground: "CanvasText",
+ pdfBugEnabled: false,
+ sidebarViewOnLoad: -1,
+ scrollModeOnLoad: -1,
+ spreadModeOnLoad: -1,
+ textLayerMode: 1,
+ viewerCssTheme: 0,
+ viewOnLoad: 0,
+ disableAutoFetch: false,
+ disableFontFace: false,
+ disableRange: false,
+ disableStream: false,
+ enableHWA: true,
+ enableXfa: true
+ });
+ #initializedPromise = null;
+ constructor() {
+ this.#initializedPromise = this._readFromStorage(this.#defaults).then(({
+ browserPrefs,
+ prefs
+ }) => {
+ if (AppOptions._checkDisablePreferences()) {
+ return;
+ }
+ AppOptions.setAll({
+ ...browserPrefs,
+ ...prefs
+ }, true);
+ });
+ }
+ async _writeToStorage(prefObj) {
+ throw new Error("Not implemented: _writeToStorage");
+ }
+ async _readFromStorage(prefObj) {
+ throw new Error("Not implemented: _readFromStorage");
+ }
+ async reset() {
+ await this.#initializedPromise;
+ AppOptions.setAll(this.#defaults, true);
+ await this._writeToStorage(this.#defaults);
+ }
+ async set(name, value) {
+ await this.#initializedPromise;
+ AppOptions.setAll({
+ [name]: value
+ }, true);
+ await this._writeToStorage(AppOptions.getAll(OptionKind.PREFERENCE));
+ }
+ async get(name) {
+ await this.#initializedPromise;
+ return AppOptions.get(name);
+ }
+ get initializedPromise() {
+ return this.#initializedPromise;
+ }
+}
+
+;// ./node_modules/@fluent/bundle/esm/types.js
+class FluentType {
+ constructor(value) {
+ this.value = value;
+ }
+ valueOf() {
+ return this.value;
+ }
+}
+class FluentNone extends FluentType {
+ constructor(value = "???") {
+ super(value);
+ }
+ toString(scope) {
+ return `{${this.value}}`;
+ }
+}
+class FluentNumber extends FluentType {
+ constructor(value, opts = {}) {
+ super(value);
+ this.opts = opts;
+ }
+ toString(scope) {
+ if (scope) {
+ try {
+ const nf = scope.memoizeIntlObject(Intl.NumberFormat, this.opts);
+ return nf.format(this.value);
+ } catch (err) {
+ scope.reportError(err);
+ }
+ }
+ return this.value.toString(10);
+ }
+}
+class FluentDateTime extends FluentType {
+ static supportsValue(value) {
+ if (typeof value === "number") return true;
+ if (value instanceof Date) return true;
+ if (value instanceof FluentType) return FluentDateTime.supportsValue(value.valueOf());
+ if ("Temporal" in globalThis) {
+ const _Temporal = globalThis.Temporal;
+ if (value instanceof _Temporal.Instant || value instanceof _Temporal.PlainDateTime || value instanceof _Temporal.PlainDate || value instanceof _Temporal.PlainMonthDay || value instanceof _Temporal.PlainTime || value instanceof _Temporal.PlainYearMonth) {
+ return true;
+ }
+ }
+ return false;
+ }
+ constructor(value, opts = {}) {
+ if (value instanceof FluentDateTime) {
+ opts = {
+ ...value.opts,
+ ...opts
+ };
+ value = value.value;
+ } else if (value instanceof FluentType) {
+ value = value.valueOf();
+ }
+ if (typeof value === "object" && "calendarId" in value && opts.calendar === undefined) {
+ opts = {
+ ...opts,
+ calendar: value.calendarId
+ };
+ }
+ super(value);
+ this.opts = opts;
+ }
+ [Symbol.toPrimitive](hint) {
+ return hint === "string" ? this.toString() : this.toNumber();
+ }
+ toNumber() {
+ const value = this.value;
+ if (typeof value === "number") return value;
+ if (value instanceof Date) return value.getTime();
+ if ("epochMilliseconds" in value) {
+ return value.epochMilliseconds;
+ }
+ if ("toZonedDateTime" in value) {
+ return value.toZonedDateTime("UTC").epochMilliseconds;
+ }
+ throw new TypeError("Unwrapping a non-number value as a number");
+ }
+ toString(scope) {
+ if (scope) {
+ try {
+ const dtf = scope.memoizeIntlObject(Intl.DateTimeFormat, this.opts);
+ return dtf.format(this.value);
+ } catch (err) {
+ scope.reportError(err);
+ }
+ }
+ if (typeof this.value === "number" || this.value instanceof Date) {
+ return new Date(this.value).toISOString();
+ }
+ return this.value.toString();
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/resolver.js
+
+const MAX_PLACEABLES = 100;
+const FSI = "\u2068";
+const PDI = "\u2069";
+function match(scope, selector, key) {
+ if (key === selector) {
+ return true;
+ }
+ if (key instanceof FluentNumber && selector instanceof FluentNumber && key.value === selector.value) {
+ return true;
+ }
+ if (selector instanceof FluentNumber && typeof key === "string") {
+ let category = scope.memoizeIntlObject(Intl.PluralRules, selector.opts).select(selector.value);
+ if (key === category) {
+ return true;
+ }
+ }
+ return false;
+}
+function getDefault(scope, variants, star) {
+ if (variants[star]) {
+ return resolvePattern(scope, variants[star].value);
+ }
+ scope.reportError(new RangeError("No default"));
+ return new FluentNone();
+}
+function getArguments(scope, args) {
+ const positional = [];
+ const named = Object.create(null);
+ for (const arg of args) {
+ if (arg.type === "narg") {
+ named[arg.name] = resolveExpression(scope, arg.value);
+ } else {
+ positional.push(resolveExpression(scope, arg));
+ }
+ }
+ return {
+ positional,
+ named
+ };
+}
+function resolveExpression(scope, expr) {
+ switch (expr.type) {
+ case "str":
+ return expr.value;
+ case "num":
+ return new FluentNumber(expr.value, {
+ minimumFractionDigits: expr.precision
+ });
+ case "var":
+ return resolveVariableReference(scope, expr);
+ case "mesg":
+ return resolveMessageReference(scope, expr);
+ case "term":
+ return resolveTermReference(scope, expr);
+ case "func":
+ return resolveFunctionReference(scope, expr);
+ case "select":
+ return resolveSelectExpression(scope, expr);
+ default:
+ return new FluentNone();
+ }
+}
+function resolveVariableReference(scope, {
+ name
+}) {
+ let arg;
+ if (scope.params) {
+ if (Object.prototype.hasOwnProperty.call(scope.params, name)) {
+ arg = scope.params[name];
+ } else {
+ return new FluentNone(`$${name}`);
+ }
+ } else if (scope.args && Object.prototype.hasOwnProperty.call(scope.args, name)) {
+ arg = scope.args[name];
+ } else {
+ scope.reportError(new ReferenceError(`Unknown variable: $${name}`));
+ return new FluentNone(`$${name}`);
+ }
+ if (arg instanceof FluentType) {
+ return arg;
+ }
+ switch (typeof arg) {
+ case "string":
+ return arg;
+ case "number":
+ return new FluentNumber(arg);
+ case "object":
+ if (FluentDateTime.supportsValue(arg)) {
+ return new FluentDateTime(arg);
+ }
+ default:
+ scope.reportError(new TypeError(`Variable type not supported: $${name}, ${typeof arg}`));
+ return new FluentNone(`$${name}`);
+ }
+}
+function resolveMessageReference(scope, {
+ name,
+ attr
+}) {
+ const message = scope.bundle._messages.get(name);
+ if (!message) {
+ scope.reportError(new ReferenceError(`Unknown message: ${name}`));
+ return new FluentNone(name);
+ }
+ if (attr) {
+ const attribute = message.attributes[attr];
+ if (attribute) {
+ return resolvePattern(scope, attribute);
+ }
+ scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));
+ return new FluentNone(`${name}.${attr}`);
+ }
+ if (message.value) {
+ return resolvePattern(scope, message.value);
+ }
+ scope.reportError(new ReferenceError(`No value: ${name}`));
+ return new FluentNone(name);
+}
+function resolveTermReference(scope, {
+ name,
+ attr,
+ args
+}) {
+ const id = `-${name}`;
+ const term = scope.bundle._terms.get(id);
+ if (!term) {
+ scope.reportError(new ReferenceError(`Unknown term: ${id}`));
+ return new FluentNone(id);
+ }
+ if (attr) {
+ const attribute = term.attributes[attr];
+ if (attribute) {
+ scope.params = getArguments(scope, args).named;
+ const resolved = resolvePattern(scope, attribute);
+ scope.params = null;
+ return resolved;
+ }
+ scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));
+ return new FluentNone(`${id}.${attr}`);
+ }
+ scope.params = getArguments(scope, args).named;
+ const resolved = resolvePattern(scope, term.value);
+ scope.params = null;
+ return resolved;
+}
+function resolveFunctionReference(scope, {
+ name,
+ args
+}) {
+ let func = scope.bundle._functions[name];
+ if (!func) {
+ scope.reportError(new ReferenceError(`Unknown function: ${name}()`));
+ return new FluentNone(`${name}()`);
+ }
+ if (typeof func !== "function") {
+ scope.reportError(new TypeError(`Function ${name}() is not callable`));
+ return new FluentNone(`${name}()`);
+ }
+ try {
+ let resolved = getArguments(scope, args);
+ return func(resolved.positional, resolved.named);
+ } catch (err) {
+ scope.reportError(err);
+ return new FluentNone(`${name}()`);
+ }
+}
+function resolveSelectExpression(scope, {
+ selector,
+ variants,
+ star
+}) {
+ let sel = resolveExpression(scope, selector);
+ if (sel instanceof FluentNone) {
+ return getDefault(scope, variants, star);
+ }
+ for (const variant of variants) {
+ const key = resolveExpression(scope, variant.key);
+ if (match(scope, sel, key)) {
+ return resolvePattern(scope, variant.value);
+ }
+ }
+ return getDefault(scope, variants, star);
+}
+function resolveComplexPattern(scope, ptn) {
+ if (scope.dirty.has(ptn)) {
+ scope.reportError(new RangeError("Cyclic reference"));
+ return new FluentNone();
+ }
+ scope.dirty.add(ptn);
+ const result = [];
+ const useIsolating = scope.bundle._useIsolating && ptn.length > 1;
+ for (const elem of ptn) {
+ if (typeof elem === "string") {
+ result.push(scope.bundle._transform(elem));
+ continue;
+ }
+ scope.placeables++;
+ if (scope.placeables > MAX_PLACEABLES) {
+ scope.dirty.delete(ptn);
+ throw new RangeError(`Too many placeables expanded: ${scope.placeables}, ` + `max allowed is ${MAX_PLACEABLES}`);
+ }
+ if (useIsolating) {
+ result.push(FSI);
+ }
+ result.push(resolveExpression(scope, elem).toString(scope));
+ if (useIsolating) {
+ result.push(PDI);
+ }
+ }
+ scope.dirty.delete(ptn);
+ return result.join("");
+}
+function resolvePattern(scope, value) {
+ if (typeof value === "string") {
+ return scope.bundle._transform(value);
+ }
+ return resolveComplexPattern(scope, value);
+}
+;// ./node_modules/@fluent/bundle/esm/scope.js
+class Scope {
+ constructor(bundle, errors, args) {
+ this.dirty = new WeakSet();
+ this.params = null;
+ this.placeables = 0;
+ this.bundle = bundle;
+ this.errors = errors;
+ this.args = args;
+ }
+ reportError(error) {
+ if (!this.errors || !(error instanceof Error)) {
+ throw error;
+ }
+ this.errors.push(error);
+ }
+ memoizeIntlObject(ctor, opts) {
+ let cache = this.bundle._intls.get(ctor);
+ if (!cache) {
+ cache = {};
+ this.bundle._intls.set(ctor, cache);
+ }
+ let id = JSON.stringify(opts);
+ if (!cache[id]) {
+ cache[id] = new ctor(this.bundle.locales, opts);
+ }
+ return cache[id];
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/builtins.js
+
+function values(opts, allowed) {
+ const unwrapped = Object.create(null);
+ for (const [name, opt] of Object.entries(opts)) {
+ if (allowed.includes(name)) {
+ unwrapped[name] = opt.valueOf();
+ }
+ }
+ return unwrapped;
+}
+const NUMBER_ALLOWED = ["unitDisplay", "currencyDisplay", "useGrouping", "minimumIntegerDigits", "minimumFractionDigits", "maximumFractionDigits", "minimumSignificantDigits", "maximumSignificantDigits"];
+function NUMBER(args, opts) {
+ let arg = args[0];
+ if (arg instanceof FluentNone) {
+ return new FluentNone(`NUMBER(${arg.valueOf()})`);
+ }
+ if (arg instanceof FluentNumber) {
+ return new FluentNumber(arg.valueOf(), {
+ ...arg.opts,
+ ...values(opts, NUMBER_ALLOWED)
+ });
+ }
+ if (arg instanceof FluentDateTime) {
+ return new FluentNumber(arg.toNumber(), {
+ ...values(opts, NUMBER_ALLOWED)
+ });
+ }
+ throw new TypeError("Invalid argument to NUMBER");
+}
+const DATETIME_ALLOWED = ["dateStyle", "timeStyle", "fractionalSecondDigits", "dayPeriod", "hour12", "weekday", "era", "year", "month", "day", "hour", "minute", "second", "timeZoneName"];
+function DATETIME(args, opts) {
+ let arg = args[0];
+ if (arg instanceof FluentNone) {
+ return new FluentNone(`DATETIME(${arg.valueOf()})`);
+ }
+ if (arg instanceof FluentDateTime || arg instanceof FluentNumber) {
+ return new FluentDateTime(arg, values(opts, DATETIME_ALLOWED));
+ }
+ throw new TypeError("Invalid argument to DATETIME");
+}
+;// ./node_modules/@fluent/bundle/esm/memoizer.js
+const cache = new Map();
+function getMemoizerForLocale(locales) {
+ const stringLocale = Array.isArray(locales) ? locales.join(" ") : locales;
+ let memoizer = cache.get(stringLocale);
+ if (memoizer === undefined) {
+ memoizer = new Map();
+ cache.set(stringLocale, memoizer);
+ }
+ return memoizer;
+}
+;// ./node_modules/@fluent/bundle/esm/bundle.js
+
+
+
+
+
+class FluentBundle {
+ constructor(locales, {
+ functions,
+ useIsolating = true,
+ transform = v => v
+ } = {}) {
+ this._terms = new Map();
+ this._messages = new Map();
+ this.locales = Array.isArray(locales) ? locales : [locales];
+ this._functions = {
+ NUMBER: NUMBER,
+ DATETIME: DATETIME,
+ ...functions
+ };
+ this._useIsolating = useIsolating;
+ this._transform = transform;
+ this._intls = getMemoizerForLocale(locales);
+ }
+ hasMessage(id) {
+ return this._messages.has(id);
+ }
+ getMessage(id) {
+ return this._messages.get(id);
+ }
+ addResource(res, {
+ allowOverrides = false
+ } = {}) {
+ const errors = [];
+ for (let i = 0; i < res.body.length; i++) {
+ let entry = res.body[i];
+ if (entry.id.startsWith("-")) {
+ if (allowOverrides === false && this._terms.has(entry.id)) {
+ errors.push(new Error(`Attempt to override an existing term: "${entry.id}"`));
+ continue;
+ }
+ this._terms.set(entry.id, entry);
+ } else {
+ if (allowOverrides === false && this._messages.has(entry.id)) {
+ errors.push(new Error(`Attempt to override an existing message: "${entry.id}"`));
+ continue;
+ }
+ this._messages.set(entry.id, entry);
+ }
+ }
+ return errors;
+ }
+ formatPattern(pattern, args = null, errors = null) {
+ if (typeof pattern === "string") {
+ return this._transform(pattern);
+ }
+ let scope = new Scope(this, errors, args);
+ try {
+ let value = resolveComplexPattern(scope, pattern);
+ return value.toString(scope);
+ } catch (err) {
+ if (scope.errors && err instanceof Error) {
+ scope.errors.push(err);
+ return new FluentNone().toString(scope);
+ }
+ throw err;
+ }
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/resource.js
+const RE_MESSAGE_START = /^(-?[a-zA-Z][\w-]*) *= */gm;
+const RE_ATTRIBUTE_START = /\.([a-zA-Z][\w-]*) *= */y;
+const RE_VARIANT_START = /\*?\[/y;
+const RE_NUMBER_LITERAL = /(-?[0-9]+(?:\.([0-9]+))?)/y;
+const RE_IDENTIFIER = /([a-zA-Z][\w-]*)/y;
+const RE_REFERENCE = /([$-])?([a-zA-Z][\w-]*)(?:\.([a-zA-Z][\w-]*))?/y;
+const RE_FUNCTION_NAME = /^[A-Z][A-Z0-9_-]*$/;
+const RE_TEXT_RUN = /([^{}\n\r]+)/y;
+const RE_STRING_RUN = /([^\\"\n\r]*)/y;
+const RE_STRING_ESCAPE = /\\([\\"])/y;
+const RE_UNICODE_ESCAPE = /\\u([a-fA-F0-9]{4})|\\U([a-fA-F0-9]{6})/y;
+const RE_LEADING_NEWLINES = /^\n+/;
+const RE_TRAILING_SPACES = / +$/;
+const RE_BLANK_LINES = / *\r?\n/g;
+const RE_INDENT = /( *)$/;
+const TOKEN_BRACE_OPEN = /{\s*/y;
+const TOKEN_BRACE_CLOSE = /\s*}/y;
+const TOKEN_BRACKET_OPEN = /\[\s*/y;
+const TOKEN_BRACKET_CLOSE = /\s*] */y;
+const TOKEN_PAREN_OPEN = /\s*\(\s*/y;
+const TOKEN_ARROW = /\s*->\s*/y;
+const TOKEN_COLON = /\s*:\s*/y;
+const TOKEN_COMMA = /\s*,?\s*/y;
+const TOKEN_BLANK = /\s+/y;
+class FluentResource {
+ constructor(source) {
+ this.body = [];
+ RE_MESSAGE_START.lastIndex = 0;
+ let cursor = 0;
+ while (true) {
+ let next = RE_MESSAGE_START.exec(source);
+ if (next === null) {
+ break;
+ }
+ cursor = RE_MESSAGE_START.lastIndex;
+ try {
+ this.body.push(parseMessage(next[1]));
+ } catch (err) {
+ if (err instanceof SyntaxError) {
+ continue;
+ }
+ throw err;
+ }
+ }
+ function test(re) {
+ re.lastIndex = cursor;
+ return re.test(source);
+ }
+ function consumeChar(char, errorClass) {
+ if (source[cursor] === char) {
+ cursor++;
+ return true;
+ }
+ if (errorClass) {
+ throw new errorClass(`Expected ${char}`);
+ }
+ return false;
+ }
+ function consumeToken(re, errorClass) {
+ if (test(re)) {
+ cursor = re.lastIndex;
+ return true;
+ }
+ if (errorClass) {
+ throw new errorClass(`Expected ${re.toString()}`);
+ }
+ return false;
+ }
+ function match(re) {
+ re.lastIndex = cursor;
+ let result = re.exec(source);
+ if (result === null) {
+ throw new SyntaxError(`Expected ${re.toString()}`);
+ }
+ cursor = re.lastIndex;
+ return result;
+ }
+ function match1(re) {
+ return match(re)[1];
+ }
+ function parseMessage(id) {
+ let value = parsePattern();
+ let attributes = parseAttributes();
+ if (value === null && Object.keys(attributes).length === 0) {
+ throw new SyntaxError("Expected message value or attributes");
+ }
+ return {
+ id,
+ value,
+ attributes
+ };
+ }
+ function parseAttributes() {
+ let attrs = Object.create(null);
+ while (test(RE_ATTRIBUTE_START)) {
+ let name = match1(RE_ATTRIBUTE_START);
+ let value = parsePattern();
+ if (value === null) {
+ throw new SyntaxError("Expected attribute value");
+ }
+ attrs[name] = value;
+ }
+ return attrs;
+ }
+ function parsePattern() {
+ let first;
+ if (test(RE_TEXT_RUN)) {
+ first = match1(RE_TEXT_RUN);
+ }
+ if (source[cursor] === "{" || source[cursor] === "}") {
+ return parsePatternElements(first ? [first] : [], Infinity);
+ }
+ let indent = parseIndent();
+ if (indent) {
+ if (first) {
+ return parsePatternElements([first, indent], indent.length);
+ }
+ indent.value = trim(indent.value, RE_LEADING_NEWLINES);
+ return parsePatternElements([indent], indent.length);
+ }
+ if (first) {
+ return trim(first, RE_TRAILING_SPACES);
+ }
+ return null;
+ }
+ function parsePatternElements(elements = [], commonIndent) {
+ while (true) {
+ if (test(RE_TEXT_RUN)) {
+ elements.push(match1(RE_TEXT_RUN));
+ continue;
+ }
+ if (source[cursor] === "{") {
+ elements.push(parsePlaceable());
+ continue;
+ }
+ if (source[cursor] === "}") {
+ throw new SyntaxError("Unbalanced closing brace");
+ }
+ let indent = parseIndent();
+ if (indent) {
+ elements.push(indent);
+ commonIndent = Math.min(commonIndent, indent.length);
+ continue;
+ }
+ break;
+ }
+ let lastIndex = elements.length - 1;
+ let lastElement = elements[lastIndex];
+ if (typeof lastElement === "string") {
+ elements[lastIndex] = trim(lastElement, RE_TRAILING_SPACES);
+ }
+ let baked = [];
+ for (let element of elements) {
+ if (element instanceof Indent) {
+ element = element.value.slice(0, element.value.length - commonIndent);
+ }
+ if (element) {
+ baked.push(element);
+ }
+ }
+ return baked;
+ }
+ function parsePlaceable() {
+ consumeToken(TOKEN_BRACE_OPEN, SyntaxError);
+ let selector = parseInlineExpression();
+ if (consumeToken(TOKEN_BRACE_CLOSE)) {
+ return selector;
+ }
+ if (consumeToken(TOKEN_ARROW)) {
+ let variants = parseVariants();
+ consumeToken(TOKEN_BRACE_CLOSE, SyntaxError);
+ return {
+ type: "select",
+ selector,
+ ...variants
+ };
+ }
+ throw new SyntaxError("Unclosed placeable");
+ }
+ function parseInlineExpression() {
+ if (source[cursor] === "{") {
+ return parsePlaceable();
+ }
+ if (test(RE_REFERENCE)) {
+ let [, sigil, name, attr = null] = match(RE_REFERENCE);
+ if (sigil === "$") {
+ return {
+ type: "var",
+ name
+ };
+ }
+ if (consumeToken(TOKEN_PAREN_OPEN)) {
+ let args = parseArguments();
+ if (sigil === "-") {
+ return {
+ type: "term",
+ name,
+ attr,
+ args
+ };
+ }
+ if (RE_FUNCTION_NAME.test(name)) {
+ return {
+ type: "func",
+ name,
+ args
+ };
+ }
+ throw new SyntaxError("Function names must be all upper-case");
+ }
+ if (sigil === "-") {
+ return {
+ type: "term",
+ name,
+ attr,
+ args: []
+ };
+ }
+ return {
+ type: "mesg",
+ name,
+ attr
+ };
+ }
+ return parseLiteral();
+ }
+ function parseArguments() {
+ let args = [];
+ while (true) {
+ switch (source[cursor]) {
+ case ")":
+ cursor++;
+ return args;
+ case undefined:
+ throw new SyntaxError("Unclosed argument list");
+ }
+ args.push(parseArgument());
+ consumeToken(TOKEN_COMMA);
+ }
+ }
+ function parseArgument() {
+ let expr = parseInlineExpression();
+ if (expr.type !== "mesg") {
+ return expr;
+ }
+ if (consumeToken(TOKEN_COLON)) {
+ return {
+ type: "narg",
+ name: expr.name,
+ value: parseLiteral()
+ };
+ }
+ return expr;
+ }
+ function parseVariants() {
+ let variants = [];
+ let count = 0;
+ let star;
+ while (test(RE_VARIANT_START)) {
+ if (consumeChar("*")) {
+ star = count;
+ }
+ let key = parseVariantKey();
+ let value = parsePattern();
+ if (value === null) {
+ throw new SyntaxError("Expected variant value");
+ }
+ variants[count++] = {
+ key,
+ value
+ };
+ }
+ if (count === 0) {
+ return null;
+ }
+ if (star === undefined) {
+ throw new SyntaxError("Expected default variant");
+ }
+ return {
+ variants,
+ star
+ };
+ }
+ function parseVariantKey() {
+ consumeToken(TOKEN_BRACKET_OPEN, SyntaxError);
+ let key;
+ if (test(RE_NUMBER_LITERAL)) {
+ key = parseNumberLiteral();
+ } else {
+ key = {
+ type: "str",
+ value: match1(RE_IDENTIFIER)
+ };
+ }
+ consumeToken(TOKEN_BRACKET_CLOSE, SyntaxError);
+ return key;
+ }
+ function parseLiteral() {
+ if (test(RE_NUMBER_LITERAL)) {
+ return parseNumberLiteral();
+ }
+ if (source[cursor] === '"') {
+ return parseStringLiteral();
+ }
+ throw new SyntaxError("Invalid expression");
+ }
+ function parseNumberLiteral() {
+ let [, value, fraction = ""] = match(RE_NUMBER_LITERAL);
+ let precision = fraction.length;
+ return {
+ type: "num",
+ value: parseFloat(value),
+ precision
+ };
+ }
+ function parseStringLiteral() {
+ consumeChar('"', SyntaxError);
+ let value = "";
+ while (true) {
+ value += match1(RE_STRING_RUN);
+ if (source[cursor] === "\\") {
+ value += parseEscapeSequence();
+ continue;
+ }
+ if (consumeChar('"')) {
+ return {
+ type: "str",
+ value
+ };
+ }
+ throw new SyntaxError("Unclosed string literal");
+ }
+ }
+ function parseEscapeSequence() {
+ if (test(RE_STRING_ESCAPE)) {
+ return match1(RE_STRING_ESCAPE);
+ }
+ if (test(RE_UNICODE_ESCAPE)) {
+ let [, codepoint4, codepoint6] = match(RE_UNICODE_ESCAPE);
+ let codepoint = parseInt(codepoint4 || codepoint6, 16);
+ return codepoint <= 0xd7ff || 0xe000 <= codepoint ? String.fromCodePoint(codepoint) : "�";
+ }
+ throw new SyntaxError("Unknown escape sequence");
+ }
+ function parseIndent() {
+ let start = cursor;
+ consumeToken(TOKEN_BLANK);
+ switch (source[cursor]) {
+ case ".":
+ case "[":
+ case "*":
+ case "}":
+ case undefined:
+ return false;
+ case "{":
+ return makeIndent(source.slice(start, cursor));
+ }
+ if (source[cursor - 1] === " ") {
+ return makeIndent(source.slice(start, cursor));
+ }
+ return false;
+ }
+ function trim(text, re) {
+ return text.replace(re, "");
+ }
+ function makeIndent(blank) {
+ let value = blank.replace(RE_BLANK_LINES, "\n");
+ let length = RE_INDENT.exec(blank)[1].length;
+ return new Indent(value, length);
+ }
+ }
+}
+class Indent {
+ constructor(value, length) {
+ this.value = value;
+ this.length = length;
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/index.js
+
+
+
+;// ./node_modules/@fluent/dom/esm/overlay.js
+const reOverlay = /<|?\w+;/;
+const TEXT_LEVEL_ELEMENTS = {
+ "http://www.w3.org/1999/xhtml": ["em", "strong", "small", "s", "cite", "q", "dfn", "abbr", "data", "time", "code", "var", "samp", "kbd", "sub", "sup", "i", "b", "u", "mark", "bdi", "bdo", "span", "br", "wbr"]
+};
+const LOCALIZABLE_ATTRIBUTES = {
+ "http://www.w3.org/1999/xhtml": {
+ global: ["title", "aria-description", "aria-label", "aria-valuetext"],
+ a: ["download"],
+ area: ["download", "alt"],
+ input: ["alt", "placeholder"],
+ menuitem: ["label"],
+ menu: ["label"],
+ optgroup: ["label"],
+ option: ["label"],
+ track: ["label"],
+ img: ["alt"],
+ textarea: ["placeholder"],
+ th: ["abbr"]
+ },
+ "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul": {
+ global: ["accesskey", "aria-label", "aria-valuetext", "label", "title", "tooltiptext"],
+ description: ["value"],
+ key: ["key", "keycode"],
+ label: ["value"],
+ textbox: ["placeholder", "value"]
+ }
+};
+function translateElement(element, translation) {
+ const {
+ value
+ } = translation;
+ if (typeof value === "string") {
+ if (element.localName === "title" && element.namespaceURI === "http://www.w3.org/1999/xhtml") {
+ element.textContent = value;
+ } else if (!reOverlay.test(value)) {
+ element.textContent = value;
+ } else {
+ const templateElement = element.ownerDocument.createElementNS("http://www.w3.org/1999/xhtml", "template");
+ templateElement.innerHTML = value;
+ overlayChildNodes(templateElement.content, element);
+ }
+ }
+ overlayAttributes(translation, element);
+}
+function overlayChildNodes(fromFragment, toElement) {
+ for (const childNode of fromFragment.childNodes) {
+ if (childNode.nodeType === childNode.TEXT_NODE) {
+ continue;
+ }
+ if (childNode.hasAttribute("data-l10n-name")) {
+ const sanitized = getNodeForNamedElement(toElement, childNode);
+ fromFragment.replaceChild(sanitized, childNode);
+ continue;
+ }
+ if (isElementAllowed(childNode)) {
+ const sanitized = createSanitizedElement(childNode);
+ fromFragment.replaceChild(sanitized, childNode);
+ continue;
+ }
+ console.warn(`An element of forbidden type "${childNode.localName}" was found in ` + "the translation. Only safe text-level elements and elements with " + "data-l10n-name are allowed.");
+ fromFragment.replaceChild(createTextNodeFromTextContent(childNode), childNode);
+ }
+ toElement.textContent = "";
+ toElement.appendChild(fromFragment);
+}
+function hasAttribute(attributes, name) {
+ if (!attributes) {
+ return false;
+ }
+ for (let attr of attributes) {
+ if (attr.name === name) {
+ return true;
+ }
+ }
+ return false;
+}
+function overlayAttributes(fromElement, toElement) {
+ const explicitlyAllowed = toElement.hasAttribute("data-l10n-attrs") ? toElement.getAttribute("data-l10n-attrs").split(",").map(i => i.trim()) : null;
+ for (const attr of Array.from(toElement.attributes)) {
+ if (isAttrNameLocalizable(attr.name, toElement, explicitlyAllowed) && !hasAttribute(fromElement.attributes, attr.name)) {
+ toElement.removeAttribute(attr.name);
+ }
+ }
+ if (!fromElement.attributes) {
+ return;
+ }
+ for (const attr of Array.from(fromElement.attributes)) {
+ if (isAttrNameLocalizable(attr.name, toElement, explicitlyAllowed) && toElement.getAttribute(attr.name) !== attr.value) {
+ toElement.setAttribute(attr.name, attr.value);
+ }
+ }
+}
+function getNodeForNamedElement(sourceElement, translatedChild) {
+ const childName = translatedChild.getAttribute("data-l10n-name");
+ const sourceChild = sourceElement.querySelector(`[data-l10n-name="${childName}"]`);
+ if (!sourceChild) {
+ console.warn(`An element named "${childName}" wasn't found in the source.`);
+ return createTextNodeFromTextContent(translatedChild);
+ }
+ if (sourceChild.localName !== translatedChild.localName) {
+ console.warn(`An element named "${childName}" was found in the translation ` + `but its type ${translatedChild.localName} didn't match the ` + `element found in the source (${sourceChild.localName}).`);
+ return createTextNodeFromTextContent(translatedChild);
+ }
+ sourceElement.removeChild(sourceChild);
+ const clone = sourceChild.cloneNode(false);
+ return shallowPopulateUsing(translatedChild, clone);
+}
+function createSanitizedElement(element) {
+ const clone = element.ownerDocument.createElement(element.localName);
+ return shallowPopulateUsing(element, clone);
+}
+function createTextNodeFromTextContent(element) {
+ return element.ownerDocument.createTextNode(element.textContent);
+}
+function isElementAllowed(element) {
+ const allowed = TEXT_LEVEL_ELEMENTS[element.namespaceURI];
+ return allowed && allowed.includes(element.localName);
+}
+function isAttrNameLocalizable(name, element, explicitlyAllowed = null) {
+ if (explicitlyAllowed && explicitlyAllowed.includes(name)) {
+ return true;
+ }
+ const allowed = LOCALIZABLE_ATTRIBUTES[element.namespaceURI];
+ if (!allowed) {
+ return false;
+ }
+ const attrName = name.toLowerCase();
+ const elemName = element.localName;
+ if (allowed.global.includes(attrName)) {
+ return true;
+ }
+ if (!allowed[elemName]) {
+ return false;
+ }
+ if (allowed[elemName].includes(attrName)) {
+ return true;
+ }
+ if (element.namespaceURI === "http://www.w3.org/1999/xhtml" && elemName === "input" && attrName === "value") {
+ const type = element.type.toLowerCase();
+ if (type === "submit" || type === "button" || type === "reset") {
+ return true;
+ }
+ }
+ return false;
+}
+function shallowPopulateUsing(fromElement, toElement) {
+ toElement.textContent = fromElement.textContent;
+ overlayAttributes(fromElement, toElement);
+ return toElement;
+}
+;// ./node_modules/cached-iterable/src/cached_iterable.mjs
+class CachedIterable extends Array {
+ static from(iterable) {
+ if (iterable instanceof this) {
+ return iterable;
+ }
+ return new this(iterable);
+ }
+}
+;// ./node_modules/cached-iterable/src/cached_sync_iterable.mjs
+
+class CachedSyncIterable extends CachedIterable {
+ constructor(iterable) {
+ super();
+ if (Symbol.iterator in Object(iterable)) {
+ this.iterator = iterable[Symbol.iterator]();
+ } else {
+ throw new TypeError("Argument must implement the iteration protocol.");
+ }
+ }
+ [Symbol.iterator]() {
+ const cached = this;
+ let cur = 0;
+ return {
+ next() {
+ if (cached.length <= cur) {
+ cached.push(cached.iterator.next());
+ }
+ return cached[cur++];
+ }
+ };
+ }
+ touchNext(count = 1) {
+ let idx = 0;
+ while (idx++ < count) {
+ const last = this[this.length - 1];
+ if (last && last.done) {
+ break;
+ }
+ this.push(this.iterator.next());
+ }
+ return this[this.length - 1];
+ }
+}
+;// ./node_modules/cached-iterable/src/cached_async_iterable.mjs
+
+class CachedAsyncIterable extends CachedIterable {
+ constructor(iterable) {
+ super();
+ if (Symbol.asyncIterator in Object(iterable)) {
+ this.iterator = iterable[Symbol.asyncIterator]();
+ } else if (Symbol.iterator in Object(iterable)) {
+ this.iterator = iterable[Symbol.iterator]();
+ } else {
+ throw new TypeError("Argument must implement the iteration protocol.");
+ }
+ }
+ [Symbol.asyncIterator]() {
+ const cached = this;
+ let cur = 0;
+ return {
+ async next() {
+ if (cached.length <= cur) {
+ cached.push(cached.iterator.next());
+ }
+ return cached[cur++];
+ }
+ };
+ }
+ async touchNext(count = 1) {
+ let idx = 0;
+ while (idx++ < count) {
+ const last = this[this.length - 1];
+ if (last && (await last).done) {
+ break;
+ }
+ this.push(this.iterator.next());
+ }
+ return this[this.length - 1];
+ }
+}
+;// ./node_modules/cached-iterable/src/index.mjs
+
+
+;// ./node_modules/@fluent/dom/esm/localization.js
+
+class Localization {
+ constructor(resourceIds = [], generateBundles) {
+ this.resourceIds = resourceIds;
+ this.generateBundles = generateBundles;
+ this.onChange(true);
+ }
+ addResourceIds(resourceIds, eager = false) {
+ this.resourceIds.push(...resourceIds);
+ this.onChange(eager);
+ return this.resourceIds.length;
+ }
+ removeResourceIds(resourceIds) {
+ this.resourceIds = this.resourceIds.filter(r => !resourceIds.includes(r));
+ this.onChange();
+ return this.resourceIds.length;
+ }
+ async formatWithFallback(keys, method) {
+ const translations = [];
+ let hasAtLeastOneBundle = false;
+ for await (const bundle of this.bundles) {
+ hasAtLeastOneBundle = true;
+ const missingIds = keysFromBundle(method, bundle, keys, translations);
+ if (missingIds.size === 0) {
+ break;
+ }
+ if (typeof console !== "undefined") {
+ const locale = bundle.locales[0];
+ const ids = Array.from(missingIds).join(", ");
+ console.warn(`[fluent] Missing translations in ${locale}: ${ids}`);
+ }
+ }
+ if (!hasAtLeastOneBundle && typeof console !== "undefined") {
+ console.warn(`[fluent] Request for keys failed because no resource bundles got generated.
+ keys: ${JSON.stringify(keys)}.
+ resourceIds: ${JSON.stringify(this.resourceIds)}.`);
+ }
+ return translations;
+ }
+ formatMessages(keys) {
+ return this.formatWithFallback(keys, messageFromBundle);
+ }
+ formatValues(keys) {
+ return this.formatWithFallback(keys, valueFromBundle);
+ }
+ async formatValue(id, args) {
+ const [val] = await this.formatValues([{
+ id,
+ args
+ }]);
+ return val;
+ }
+ handleEvent() {
+ this.onChange();
+ }
+ onChange(eager = false) {
+ this.bundles = CachedAsyncIterable.from(this.generateBundles(this.resourceIds));
+ if (eager) {
+ this.bundles.touchNext(2);
+ }
+ }
+}
+function valueFromBundle(bundle, errors, message, args) {
+ if (message.value) {
+ return bundle.formatPattern(message.value, args, errors);
+ }
+ return null;
+}
+function messageFromBundle(bundle, errors, message, args) {
+ const formatted = {
+ value: null,
+ attributes: null
+ };
+ if (message.value) {
+ formatted.value = bundle.formatPattern(message.value, args, errors);
+ }
+ let attrNames = Object.keys(message.attributes);
+ if (attrNames.length > 0) {
+ formatted.attributes = new Array(attrNames.length);
+ for (let [i, name] of attrNames.entries()) {
+ let value = bundle.formatPattern(message.attributes[name], args, errors);
+ formatted.attributes[i] = {
+ name,
+ value
+ };
+ }
+ }
+ return formatted;
+}
+function keysFromBundle(method, bundle, keys, translations) {
+ const messageErrors = [];
+ const missingIds = new Set();
+ keys.forEach(({
+ id,
+ args
+ }, i) => {
+ if (translations[i] !== undefined) {
+ return;
+ }
+ let message = bundle.getMessage(id);
+ if (message) {
+ messageErrors.length = 0;
+ translations[i] = method(bundle, messageErrors, message, args);
+ if (messageErrors.length > 0 && typeof console !== "undefined") {
+ const locale = bundle.locales[0];
+ const errors = messageErrors.join(", ");
+ console.warn(`[fluent][resolver] errors in ${locale}/${id}: ${errors}.`);
+ }
+ } else {
+ missingIds.add(id);
+ }
+ });
+ return missingIds;
+}
+;// ./node_modules/@fluent/dom/esm/dom_localization.js
+
+
+const L10NID_ATTR_NAME = "data-l10n-id";
+const L10NARGS_ATTR_NAME = "data-l10n-args";
+const L10N_ELEMENT_QUERY = `[${L10NID_ATTR_NAME}]`;
+class DOMLocalization extends Localization {
+ constructor(resourceIds, generateBundles) {
+ super(resourceIds, generateBundles);
+ this.roots = new Set();
+ this.pendingrAF = null;
+ this.pendingElements = new Set();
+ this.windowElement = null;
+ this.mutationObserver = null;
+ this.observerConfig = {
+ attributes: true,
+ characterData: false,
+ childList: true,
+ subtree: true,
+ attributeFilter: [L10NID_ATTR_NAME, L10NARGS_ATTR_NAME]
+ };
+ }
+ onChange(eager = false) {
+ super.onChange(eager);
+ if (this.roots) {
+ this.translateRoots();
+ }
+ }
+ setAttributes(element, id, args) {
+ element.setAttribute(L10NID_ATTR_NAME, id);
+ if (args) {
+ element.setAttribute(L10NARGS_ATTR_NAME, JSON.stringify(args));
+ } else {
+ element.removeAttribute(L10NARGS_ATTR_NAME);
+ }
+ return element;
+ }
+ getAttributes(element) {
+ return {
+ id: element.getAttribute(L10NID_ATTR_NAME),
+ args: JSON.parse(element.getAttribute(L10NARGS_ATTR_NAME) || null)
+ };
+ }
+ connectRoot(newRoot) {
+ for (const root of this.roots) {
+ if (root === newRoot || root.contains(newRoot) || newRoot.contains(root)) {
+ throw new Error("Cannot add a root that overlaps with existing root.");
+ }
+ }
+ if (this.windowElement) {
+ if (this.windowElement !== newRoot.ownerDocument.defaultView) {
+ throw new Error(`Cannot connect a root:
+ DOMLocalization already has a root from a different window.`);
+ }
+ } else {
+ this.windowElement = newRoot.ownerDocument.defaultView;
+ this.mutationObserver = new this.windowElement.MutationObserver(mutations => this.translateMutations(mutations));
+ }
+ this.roots.add(newRoot);
+ this.mutationObserver.observe(newRoot, this.observerConfig);
+ }
+ disconnectRoot(root) {
+ this.roots.delete(root);
+ this.pauseObserving();
+ if (this.roots.size === 0) {
+ this.mutationObserver = null;
+ if (this.windowElement && this.pendingrAF) {
+ this.windowElement.cancelAnimationFrame(this.pendingrAF);
+ }
+ this.windowElement = null;
+ this.pendingrAF = null;
+ this.pendingElements.clear();
+ return true;
+ }
+ this.resumeObserving();
+ return false;
+ }
+ translateRoots() {
+ const roots = Array.from(this.roots);
+ return Promise.all(roots.map(root => this.translateFragment(root)));
+ }
+ pauseObserving() {
+ if (!this.mutationObserver) {
+ return;
+ }
+ this.translateMutations(this.mutationObserver.takeRecords());
+ this.mutationObserver.disconnect();
+ }
+ resumeObserving() {
+ if (!this.mutationObserver) {
+ return;
+ }
+ for (const root of this.roots) {
+ this.mutationObserver.observe(root, this.observerConfig);
+ }
+ }
+ translateMutations(mutations) {
+ for (const mutation of mutations) {
+ switch (mutation.type) {
+ case "attributes":
+ if (mutation.target.hasAttribute("data-l10n-id")) {
+ this.pendingElements.add(mutation.target);
+ }
+ break;
+ case "childList":
+ for (const addedNode of mutation.addedNodes) {
+ if (addedNode.nodeType === addedNode.ELEMENT_NODE) {
+ if (addedNode.childElementCount) {
+ for (const element of this.getTranslatables(addedNode)) {
+ this.pendingElements.add(element);
+ }
+ } else if (addedNode.hasAttribute(L10NID_ATTR_NAME)) {
+ this.pendingElements.add(addedNode);
+ }
+ }
+ }
+ break;
+ }
+ }
+ if (this.pendingElements.size > 0) {
+ if (this.pendingrAF === null) {
+ this.pendingrAF = this.windowElement.requestAnimationFrame(() => {
+ this.translateElements(Array.from(this.pendingElements));
+ this.pendingElements.clear();
+ this.pendingrAF = null;
+ });
+ }
+ }
+ }
+ translateFragment(frag) {
+ return this.translateElements(this.getTranslatables(frag));
+ }
+ async translateElements(elements) {
+ if (!elements.length) {
+ return undefined;
+ }
+ const keys = elements.map(this.getKeysForElement);
+ const translations = await this.formatMessages(keys);
+ return this.applyTranslations(elements, translations);
+ }
+ applyTranslations(elements, translations) {
+ this.pauseObserving();
+ for (let i = 0; i < elements.length; i++) {
+ if (translations[i] !== undefined) {
+ translateElement(elements[i], translations[i]);
+ }
+ }
+ this.resumeObserving();
+ }
+ getTranslatables(element) {
+ const nodes = Array.from(element.querySelectorAll(L10N_ELEMENT_QUERY));
+ if (typeof element.hasAttribute === "function" && element.hasAttribute(L10NID_ATTR_NAME)) {
+ nodes.push(element);
+ }
+ return nodes;
+ }
+ getKeysForElement(element) {
+ return {
+ id: element.getAttribute(L10NID_ATTR_NAME),
+ args: JSON.parse(element.getAttribute(L10NARGS_ATTR_NAME) || null)
+ };
+ }
+}
+;// ./node_modules/@fluent/dom/esm/index.js
+
+
+;// ./web/l10n.js
+class L10n {
+ #dir;
+ #elements;
+ #lang;
+ #l10n;
+ constructor({
+ lang,
+ isRTL
+ }, l10n = null) {
+ this.#lang = L10n.#fixupLangCode(lang);
+ this.#l10n = l10n;
+ this.#dir = isRTL ?? L10n.#isRTL(this.#lang) ? "rtl" : "ltr";
+ }
+ _setL10n(l10n) {
+ this.#l10n = l10n;
+ }
+ getLanguage() {
+ return this.#lang;
+ }
+ getDirection() {
+ return this.#dir;
+ }
+ async get(ids, args = null, fallback) {
+ if (Array.isArray(ids)) {
+ ids = ids.map(id => ({
+ id
+ }));
+ const messages = await this.#l10n.formatMessages(ids);
+ return messages.map(message => message.value);
+ }
+ const messages = await this.#l10n.formatMessages([{
+ id: ids,
+ args
+ }]);
+ return messages[0]?.value || fallback;
+ }
+ async translate(element) {
+ (this.#elements ||= new Set()).add(element);
+ try {
+ this.#l10n.connectRoot(element);
+ await this.#l10n.translateRoots();
+ } catch {}
+ }
+ async translateOnce(element) {
+ try {
+ await this.#l10n.translateElements([element]);
+ } catch (ex) {
+ console.error("translateOnce:", ex);
+ }
+ }
+ async destroy() {
+ if (this.#elements) {
+ for (const element of this.#elements) {
+ this.#l10n.disconnectRoot(element);
+ }
+ this.#elements.clear();
+ this.#elements = null;
+ }
+ this.#l10n.pauseObserving();
+ }
+ pause() {
+ this.#l10n.pauseObserving();
+ }
+ resume() {
+ this.#l10n.resumeObserving();
+ }
+ static #fixupLangCode(langCode) {
+ langCode = langCode?.toLowerCase() || "en-us";
+ const PARTIAL_LANG_CODES = {
+ en: "en-us",
+ es: "es-es",
+ fy: "fy-nl",
+ ga: "ga-ie",
+ gu: "gu-in",
+ hi: "hi-in",
+ hy: "hy-am",
+ nb: "nb-no",
+ ne: "ne-np",
+ nn: "nn-no",
+ pa: "pa-in",
+ pt: "pt-pt",
+ sv: "sv-se",
+ zh: "zh-cn"
+ };
+ return PARTIAL_LANG_CODES[langCode] || langCode;
+ }
+ static #isRTL(lang) {
+ const shortCode = lang.split("-", 1)[0];
+ return ["ar", "he", "fa", "ps", "ur"].includes(shortCode);
+ }
+}
+const GenericL10n = null;
+
+;// ./web/genericl10n.js
+
+
+
+
+function PLATFORM() {
+ const {
+ isAndroid,
+ isLinux,
+ isMac,
+ isWindows
+ } = FeatureTest.platform;
+ if (isLinux) {
+ return "linux";
+ }
+ if (isWindows) {
+ return "windows";
+ }
+ if (isMac) {
+ return "macos";
+ }
+ if (isAndroid) {
+ return "android";
+ }
+ return "other";
+}
+function createBundle(lang, text) {
+ const resource = new FluentResource(text);
+ const bundle = new FluentBundle(lang, {
+ functions: {
+ PLATFORM
+ }
+ });
+ const errors = bundle.addResource(resource);
+ if (errors.length) {
+ console.error("L10n errors", errors);
+ }
+ return bundle;
+}
+class genericl10n_GenericL10n extends L10n {
+ constructor(lang) {
+ super({
+ lang
+ });
+ const generateBundles = !lang ? genericl10n_GenericL10n.#generateBundlesFallback.bind(genericl10n_GenericL10n, this.getLanguage()) : genericl10n_GenericL10n.#generateBundles.bind(genericl10n_GenericL10n, "en-us", this.getLanguage());
+ this._setL10n(new DOMLocalization([], generateBundles));
+ }
+ static async *#generateBundles(defaultLang, baseLang) {
+ const {
+ baseURL,
+ paths
+ } = await this.#getPaths();
+ const langs = [baseLang];
+ if (defaultLang !== baseLang) {
+ const shortLang = baseLang.split("-", 1)[0];
+ if (shortLang !== baseLang) {
+ langs.push(shortLang);
+ }
+ langs.push(defaultLang);
+ }
+ const bundles = langs.map(lang => [lang, this.#createBundle(lang, baseURL, paths)]);
+ for (const [lang, bundlePromise] of bundles) {
+ const bundle = await bundlePromise;
+ if (bundle) {
+ yield bundle;
+ } else if (lang === "en-us") {
+ yield this.#createBundleFallback(lang);
+ }
+ }
+ }
+ static async #createBundle(lang, baseURL, paths) {
+ const path = paths[lang];
+ if (!path) {
+ return null;
+ }
+ const url = new URL(path, baseURL);
+ const text = await fetchData(url, "text");
+ return createBundle(lang, text);
+ }
+ static async #getPaths() {
+ try {
+ const {
+ href
+ } = document.querySelector(`link[type="application/l10n"]`);
+ const paths = await fetchData(href, "json");
+ return {
+ baseURL: href.substring(0, href.lastIndexOf("/") + 1) || "./",
+ paths
+ };
+ } catch {}
+ return {
+ baseURL: "./",
+ paths: Object.create(null)
+ };
+ }
+ static async *#generateBundlesFallback(lang) {
+ yield this.#createBundleFallback(lang);
+ }
+ static async #createBundleFallback(lang) {
+ const text = "pdfjs-previous-button =\n .title = Previous Page\npdfjs-previous-button-label = Previous\npdfjs-next-button =\n .title = Next Page\npdfjs-next-button-label = Next\npdfjs-page-input =\n .title = Page\npdfjs-of-pages = of { $pagesCount }\npdfjs-page-of-pages = ({ $pageNumber } of { $pagesCount })\npdfjs-zoom-out-button =\n .title = Zoom Out\npdfjs-zoom-out-button-label = Zoom Out\npdfjs-zoom-in-button =\n .title = Zoom In\npdfjs-zoom-in-button-label = Zoom In\npdfjs-zoom-select =\n .title = Zoom\npdfjs-presentation-mode-button =\n .title = Switch to Presentation Mode\npdfjs-presentation-mode-button-label = Presentation Mode\npdfjs-open-file-button =\n .title = Open File\npdfjs-open-file-button-label = Open\npdfjs-print-button =\n .title = Print\npdfjs-print-button-label = Print\npdfjs-save-button =\n .title = Save\npdfjs-save-button-label = Save\npdfjs-download-button =\n .title = Download\npdfjs-download-button-label = Download\npdfjs-bookmark-button =\n .title = Current Page (View URL from Current Page)\npdfjs-bookmark-button-label = Current Page\npdfjs-tools-button =\n .title = Tools\npdfjs-tools-button-label = Tools\npdfjs-first-page-button =\n .title = Go to First Page\npdfjs-first-page-button-label = Go to First Page\npdfjs-last-page-button =\n .title = Go to Last Page\npdfjs-last-page-button-label = Go to Last Page\npdfjs-page-rotate-cw-button =\n .title = Rotate Clockwise\npdfjs-page-rotate-cw-button-label = Rotate Clockwise\npdfjs-page-rotate-ccw-button =\n .title = Rotate Counterclockwise\npdfjs-page-rotate-ccw-button-label = Rotate Counterclockwise\npdfjs-cursor-text-select-tool-button =\n .title = Enable Text Selection Tool\npdfjs-cursor-text-select-tool-button-label = Text Selection Tool\npdfjs-cursor-hand-tool-button =\n .title = Enable Hand Tool\npdfjs-cursor-hand-tool-button-label = Hand Tool\npdfjs-scroll-page-button =\n .title = Use Page Scrolling\npdfjs-scroll-page-button-label = Page Scrolling\npdfjs-scroll-vertical-button =\n .title = Use Vertical Scrolling\npdfjs-scroll-vertical-button-label = Vertical Scrolling\npdfjs-scroll-horizontal-button =\n .title = Use Horizontal Scrolling\npdfjs-scroll-horizontal-button-label = Horizontal Scrolling\npdfjs-scroll-wrapped-button =\n .title = Use Wrapped Scrolling\npdfjs-scroll-wrapped-button-label = Wrapped Scrolling\npdfjs-spread-none-button =\n .title = Do not join page spreads\npdfjs-spread-none-button-label = No Spreads\npdfjs-spread-odd-button =\n .title = Join page spreads starting with odd-numbered pages\npdfjs-spread-odd-button-label = Odd Spreads\npdfjs-spread-even-button =\n .title = Join page spreads starting with even-numbered pages\npdfjs-spread-even-button-label = Even Spreads\npdfjs-document-properties-button =\n .title = Document Properties\u2026\npdfjs-document-properties-button-label = Document Properties\u2026\npdfjs-document-properties-file-name = File name:\npdfjs-document-properties-file-size = File size:\npdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)\npdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)\npdfjs-document-properties-title = Title:\npdfjs-document-properties-author = Author:\npdfjs-document-properties-subject = Subject:\npdfjs-document-properties-keywords = Keywords:\npdfjs-document-properties-creation-date = Creation Date:\npdfjs-document-properties-modification-date = Modification Date:\npdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: \"short\", timeStyle: \"medium\") }\npdfjs-document-properties-creator = Creator:\npdfjs-document-properties-producer = PDF Producer:\npdfjs-document-properties-version = PDF Version:\npdfjs-document-properties-page-count = Page Count:\npdfjs-document-properties-page-size = Page Size:\npdfjs-document-properties-page-size-unit-inches = in\npdfjs-document-properties-page-size-unit-millimeters = mm\npdfjs-document-properties-page-size-orientation-portrait = portrait\npdfjs-document-properties-page-size-orientation-landscape = landscape\npdfjs-document-properties-page-size-name-a-three = A3\npdfjs-document-properties-page-size-name-a-four = A4\npdfjs-document-properties-page-size-name-letter = Letter\npdfjs-document-properties-page-size-name-legal = Legal\npdfjs-document-properties-page-size-dimension-string = { $width } \xD7 { $height } { $unit } ({ $orientation })\npdfjs-document-properties-page-size-dimension-name-string = { $width } \xD7 { $height } { $unit } ({ $name }, { $orientation })\npdfjs-document-properties-linearized = Fast Web View:\npdfjs-document-properties-linearized-yes = Yes\npdfjs-document-properties-linearized-no = No\npdfjs-document-properties-close-button = Close\npdfjs-print-progress-message = Preparing document for printing\u2026\npdfjs-print-progress-percent = { $progress }%\npdfjs-print-progress-close-button = Cancel\npdfjs-printing-not-supported = Warning: Printing is not fully supported by this browser.\npdfjs-printing-not-ready = Warning: The PDF is not fully loaded for printing.\npdfjs-toggle-sidebar-button =\n .title = Toggle Sidebar\npdfjs-toggle-sidebar-notification-button =\n .title = Toggle Sidebar (document contains outline/attachments/layers)\npdfjs-toggle-sidebar-button-label = Toggle Sidebar\npdfjs-document-outline-button =\n .title = Show Document Outline (double-click to expand/collapse all items)\npdfjs-document-outline-button-label = Document Outline\npdfjs-attachments-button =\n .title = Show Attachments\npdfjs-attachments-button-label = Attachments\npdfjs-layers-button =\n .title = Show Layers (double-click to reset all layers to the default state)\npdfjs-layers-button-label = Layers\npdfjs-thumbs-button =\n .title = Show Thumbnails\npdfjs-thumbs-button-label = Thumbnails\npdfjs-current-outline-item-button =\n .title = Find Current Outline Item\npdfjs-current-outline-item-button-label = Current Outline Item\npdfjs-findbar-button =\n .title = Find in Document\npdfjs-findbar-button-label = Find\npdfjs-additional-layers = Additional Layers\npdfjs-thumb-page-title =\n .title = Page { $page }\npdfjs-thumb-page-canvas =\n .aria-label = Thumbnail of Page { $page }\npdfjs-find-input =\n .title = Find\n .placeholder = Find in document\u2026\npdfjs-find-previous-button =\n .title = Find the previous occurrence of the phrase\npdfjs-find-previous-button-label = Previous\npdfjs-find-next-button =\n .title = Find the next occurrence of the phrase\npdfjs-find-next-button-label = Next\npdfjs-find-highlight-checkbox = Highlight All\npdfjs-find-match-case-checkbox-label = Match Case\npdfjs-find-match-diacritics-checkbox-label = Match Diacritics\npdfjs-find-entire-word-checkbox-label = Whole Words\npdfjs-find-reached-top = Reached top of document, continued from bottom\npdfjs-find-reached-bottom = Reached end of document, continued from top\npdfjs-find-match-count =\n { $total ->\n [one] { $current } of { $total } match\n *[other] { $current } of { $total } matches\n }\npdfjs-find-match-count-limit =\n { $limit ->\n [one] More than { $limit } match\n *[other] More than { $limit } matches\n }\npdfjs-find-not-found = Phrase not found\npdfjs-page-scale-width = Page Width\npdfjs-page-scale-fit = Page Fit\npdfjs-page-scale-auto = Automatic Zoom\npdfjs-page-scale-actual = Actual Size\npdfjs-page-scale-percent = { $scale }%\npdfjs-page-landmark =\n .aria-label = Page { $page }\npdfjs-loading-error = An error occurred while loading the PDF.\npdfjs-invalid-file-error = Invalid or corrupted PDF file.\npdfjs-missing-file-error = Missing PDF file.\npdfjs-unexpected-response-error = Unexpected server response.\npdfjs-rendering-error = An error occurred while rendering the page.\npdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: \"short\", timeStyle: \"medium\") }\npdfjs-text-annotation-type =\n .alt = [{ $type } Annotation]\npdfjs-password-label = Enter the password to open this PDF file.\npdfjs-password-invalid = Invalid password. Please try again.\npdfjs-password-ok-button = OK\npdfjs-password-cancel-button = Cancel\npdfjs-web-fonts-disabled = Web fonts are disabled: unable to use embedded PDF fonts.\npdfjs-editor-free-text-button =\n .title = Text\npdfjs-editor-color-picker-free-text-input =\n .title = Change text color\npdfjs-editor-free-text-button-label = Text\npdfjs-editor-ink-button =\n .title = Draw\npdfjs-editor-color-picker-ink-input =\n .title = Change drawing color\npdfjs-editor-ink-button-label = Draw\npdfjs-editor-stamp-button =\n .title = Add or edit images\npdfjs-editor-stamp-button-label = Add or edit images\npdfjs-editor-highlight-button =\n .title = Highlight\npdfjs-editor-highlight-button-label = Highlight\npdfjs-highlight-floating-button1 =\n .title = Highlight\n .aria-label = Highlight\npdfjs-highlight-floating-button-label = Highlight\npdfjs-comment-floating-button =\n .title = Comment\n .aria-label = Comment\npdfjs-comment-floating-button-label = Comment\npdfjs-editor-comment-button =\n .title = Comment\n .aria-label = Comment\npdfjs-editor-comment-button-label = Comment\npdfjs-editor-signature-button =\n .title = Add signature\npdfjs-editor-signature-button-label = Add signature\npdfjs-editor-highlight-editor =\n .aria-label = Highlight editor\npdfjs-editor-ink-editor =\n .aria-label = Drawing editor\npdfjs-editor-signature-editor1 =\n .aria-description = Signature editor: { $description }\npdfjs-editor-stamp-editor =\n .aria-label = Image editor\npdfjs-editor-remove-ink-button =\n .title = Remove drawing\npdfjs-editor-remove-freetext-button =\n .title = Remove text\npdfjs-editor-remove-stamp-button =\n .title = Remove image\npdfjs-editor-remove-highlight-button =\n .title = Remove highlight\npdfjs-editor-remove-signature-button =\n .title = Remove signature\npdfjs-editor-free-text-color-input = Color\npdfjs-editor-free-text-size-input = Size\npdfjs-editor-ink-color-input = Color\npdfjs-editor-ink-thickness-input = Thickness\npdfjs-editor-ink-opacity-input = Opacity\npdfjs-editor-stamp-add-image-button =\n .title = Add image\npdfjs-editor-stamp-add-image-button-label = Add image\npdfjs-editor-free-highlight-thickness-input = Thickness\npdfjs-editor-free-highlight-thickness-title =\n .title = Change thickness when highlighting items other than text\npdfjs-editor-add-signature-container =\n .aria-label = Signature controls and saved signatures\npdfjs-editor-signature-add-signature-button =\n .title = Add new signature\npdfjs-editor-signature-add-signature-button-label = Add new signature\npdfjs-editor-add-saved-signature-button =\n .title = Saved signature: { $description }\npdfjs-free-text2 =\n .aria-label = Text Editor\n .default-content = Start typing\u2026\npdfjs-editor-comments-sidebar-title =\n { $count ->\n [one] Comment\n *[other] Comments\n }\npdfjs-editor-comments-sidebar-close-button =\n .title = Close the sidebar\n .aria-label = Close the sidebar\npdfjs-editor-comments-sidebar-close-button-label = Close the sidebar\npdfjs-editor-comments-sidebar-no-comments1 = See something noteworthy? Highlight it and leave a comment.\npdfjs-editor-comments-sidebar-no-comments-link = Learn more\npdfjs-editor-alt-text-button =\n .aria-label = Alt text\npdfjs-editor-alt-text-button-label = Alt text\npdfjs-editor-alt-text-edit-button =\n .aria-label = Edit alt text\npdfjs-editor-alt-text-dialog-label = Choose an option\npdfjs-editor-alt-text-dialog-description = Alt text (alternative text) helps when people can\u2019t see the image or when it doesn\u2019t load.\npdfjs-editor-alt-text-add-description-label = Add a description\npdfjs-editor-alt-text-add-description-description = Aim for 1-2 sentences that describe the subject, setting, or actions.\npdfjs-editor-alt-text-mark-decorative-label = Mark as decorative\npdfjs-editor-alt-text-mark-decorative-description = This is used for ornamental images, like borders or watermarks.\npdfjs-editor-alt-text-cancel-button = Cancel\npdfjs-editor-alt-text-save-button = Save\npdfjs-editor-alt-text-decorative-tooltip = Marked as decorative\npdfjs-editor-alt-text-textarea =\n .placeholder = For example, \u201CA young man sits down at a table to eat a meal\u201D\npdfjs-editor-resizer-top-left =\n .aria-label = Top left corner \u2014 resize\npdfjs-editor-resizer-top-middle =\n .aria-label = Top middle \u2014 resize\npdfjs-editor-resizer-top-right =\n .aria-label = Top right corner \u2014 resize\npdfjs-editor-resizer-middle-right =\n .aria-label = Middle right \u2014 resize\npdfjs-editor-resizer-bottom-right =\n .aria-label = Bottom right corner \u2014 resize\npdfjs-editor-resizer-bottom-middle =\n .aria-label = Bottom middle \u2014 resize\npdfjs-editor-resizer-bottom-left =\n .aria-label = Bottom left corner \u2014 resize\npdfjs-editor-resizer-middle-left =\n .aria-label = Middle left \u2014 resize\npdfjs-editor-highlight-colorpicker-label = Highlight color\npdfjs-editor-colorpicker-button =\n .title = Change color\npdfjs-editor-colorpicker-dropdown =\n .aria-label = Color choices\npdfjs-editor-colorpicker-yellow =\n .title = Yellow\npdfjs-editor-colorpicker-green =\n .title = Green\npdfjs-editor-colorpicker-blue =\n .title = Blue\npdfjs-editor-colorpicker-pink =\n .title = Pink\npdfjs-editor-colorpicker-red =\n .title = Red\npdfjs-editor-highlight-show-all-button-label = Show all\npdfjs-editor-highlight-show-all-button =\n .title = Show all\npdfjs-editor-new-alt-text-dialog-edit-label = Edit alt text (image description)\npdfjs-editor-new-alt-text-dialog-add-label = Add alt text (image description)\npdfjs-editor-new-alt-text-textarea =\n .placeholder = Write your description here\u2026\npdfjs-editor-new-alt-text-description = Short description for people who can\u2019t see the image or when the image doesn\u2019t load.\npdfjs-editor-new-alt-text-disclaimer1 = This alt text was created automatically and may be inaccurate.\npdfjs-editor-new-alt-text-disclaimer-learn-more-url = Learn more\npdfjs-editor-new-alt-text-create-automatically-button-label = Create alt text automatically\npdfjs-editor-new-alt-text-not-now-button = Not now\npdfjs-editor-new-alt-text-error-title = Couldn\u2019t create alt text automatically\npdfjs-editor-new-alt-text-error-description = Please write your own alt text or try again later.\npdfjs-editor-new-alt-text-error-close-button = Close\npdfjs-editor-new-alt-text-ai-model-downloading-progress = Downloading alt text AI model ({ $downloadedSize } of { $totalSize } MB)\n .aria-valuetext = Downloading alt text AI model ({ $downloadedSize } of { $totalSize } MB)\npdfjs-editor-new-alt-text-added-button =\n .aria-label = Alt text added\npdfjs-editor-new-alt-text-added-button-label = Alt text added\npdfjs-editor-new-alt-text-missing-button =\n .aria-label = Missing alt text\npdfjs-editor-new-alt-text-missing-button-label = Missing alt text\npdfjs-editor-new-alt-text-to-review-button =\n .aria-label = Review alt text\npdfjs-editor-new-alt-text-to-review-button-label = Review alt text\npdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Created automatically: { $generatedAltText }\npdfjs-image-alt-text-settings-button =\n .title = Image alt text settings\npdfjs-image-alt-text-settings-button-label = Image alt text settings\npdfjs-editor-alt-text-settings-dialog-label = Image alt text settings\npdfjs-editor-alt-text-settings-automatic-title = Automatic alt text\npdfjs-editor-alt-text-settings-create-model-button-label = Create alt text automatically\npdfjs-editor-alt-text-settings-create-model-description = Suggests descriptions to help people who can\u2019t see the image or when the image doesn\u2019t load.\npdfjs-editor-alt-text-settings-download-model-label = Alt text AI model ({ $totalSize } MB)\npdfjs-editor-alt-text-settings-ai-model-description = Runs locally on your device so your data stays private. Required for automatic alt text.\npdfjs-editor-alt-text-settings-delete-model-button = Delete\npdfjs-editor-alt-text-settings-download-model-button = Download\npdfjs-editor-alt-text-settings-downloading-model-button = Downloading\u2026\npdfjs-editor-alt-text-settings-editor-title = Alt text editor\npdfjs-editor-alt-text-settings-show-dialog-button-label = Show alt text editor right away when adding an image\npdfjs-editor-alt-text-settings-show-dialog-description = Helps you make sure all your images have alt text.\npdfjs-editor-alt-text-settings-close-button = Close\npdfjs-editor-highlight-added-alert = Highlight added\npdfjs-editor-freetext-added-alert = Text added\npdfjs-editor-ink-added-alert = Drawing added\npdfjs-editor-stamp-added-alert = Image added\npdfjs-editor-signature-added-alert = Signature added\npdfjs-editor-undo-bar-message-highlight = Highlight removed\npdfjs-editor-undo-bar-message-freetext = Text removed\npdfjs-editor-undo-bar-message-ink = Drawing removed\npdfjs-editor-undo-bar-message-stamp = Image removed\npdfjs-editor-undo-bar-message-signature = Signature removed\npdfjs-editor-undo-bar-message-multiple =\n { $count ->\n [one] { $count } annotation removed\n *[other] { $count } annotations removed\n }\npdfjs-editor-undo-bar-undo-button =\n .title = Undo\npdfjs-editor-undo-bar-undo-button-label = Undo\npdfjs-editor-undo-bar-close-button =\n .title = Close\npdfjs-editor-undo-bar-close-button-label = Close\npdfjs-editor-add-signature-dialog-label = This modal allows the user to create a signature to add to a PDF document. The user can edit the name (which also serves as the alt text), and optionally save the signature for repeated use.\npdfjs-editor-add-signature-dialog-title = Add a signature\npdfjs-editor-add-signature-type-button = Type\n .title = Type\npdfjs-editor-add-signature-draw-button = Draw\n .title = Draw\npdfjs-editor-add-signature-image-button = Image\n .title = Image\npdfjs-editor-add-signature-type-input =\n .aria-label = Type your signature\n .placeholder = Type your signature\npdfjs-editor-add-signature-draw-placeholder = Draw your signature\npdfjs-editor-add-signature-draw-thickness-range-label = Thickness\npdfjs-editor-add-signature-draw-thickness-range =\n .title = Drawing thickness: { $thickness }\npdfjs-editor-add-signature-image-placeholder = Drag a file here to upload\npdfjs-editor-add-signature-image-browse-link =\n { PLATFORM() ->\n [macos] Or choose image files\n *[other] Or browse image files\n }\npdfjs-editor-add-signature-description-label = Description (alt text)\npdfjs-editor-add-signature-description-input =\n .title = Description (alt text)\npdfjs-editor-add-signature-description-default-when-drawing = Signature\npdfjs-editor-add-signature-clear-button-label = Clear signature\npdfjs-editor-add-signature-clear-button =\n .title = Clear signature\npdfjs-editor-add-signature-save-checkbox = Save signature\npdfjs-editor-add-signature-save-warning-message = You\u2019ve reached the limit of 5 saved signatures. Remove one to save more.\npdfjs-editor-add-signature-image-upload-error-title = Couldn\u2019t upload image\npdfjs-editor-add-signature-image-upload-error-description = Check your network connection or try another image.\npdfjs-editor-add-signature-image-no-data-error-title = Can\u2019t convert this image into a signature\npdfjs-editor-add-signature-image-no-data-error-description = Please try uploading a different image.\npdfjs-editor-add-signature-error-close-button = Close\npdfjs-editor-add-signature-cancel-button = Cancel\npdfjs-editor-add-signature-add-button = Add\npdfjs-editor-delete-signature-button1 =\n .title = Remove saved signature\npdfjs-editor-delete-signature-button-label1 = Remove saved signature\npdfjs-editor-add-signature-edit-button-label = Edit description\npdfjs-editor-edit-signature-dialog-title = Edit description\npdfjs-editor-edit-signature-update-button = Update\npdfjs-show-comment-button =\n .title = Show comment\npdfjs-editor-edit-comment-popup-button-label = Edit comment\npdfjs-editor-edit-comment-popup-button =\n .title = Edit comment\npdfjs-editor-delete-comment-popup-button-label = Remove comment\npdfjs-editor-delete-comment-popup-button =\n .title = Remove comment\npdfjs-editor-edit-comment-dialog-title-when-editing = Edit comment\npdfjs-editor-edit-comment-dialog-save-button-when-editing = Update\npdfjs-editor-edit-comment-dialog-title-when-adding = Add comment\npdfjs-editor-edit-comment-dialog-save-button-when-adding = Add\npdfjs-editor-edit-comment-dialog-text-input =\n .placeholder = Start typing\u2026\npdfjs-editor-edit-comment-dialog-cancel-button = Cancel\npdfjs-editor-edit-comment-button =\n .title = Edit comment";
+ return createBundle(lang, text);
+ }
+}
+
+;// ./web/generic_scripting.js
+
+async function docProperties(pdfDocument) {
+ const url = "",
+ baseUrl = "";
+ const {
+ info,
+ metadata,
+ contentDispositionFilename,
+ contentLength
+ } = await pdfDocument.getMetadata();
+ return {
+ ...info,
+ baseURL: baseUrl,
+ filesize: contentLength || (await pdfDocument.getDownloadInfo()).length,
+ filename: contentDispositionFilename || getPdfFilenameFromUrl(url),
+ metadata: metadata?.getRaw(),
+ authors: metadata?.get("dc:creator"),
+ numPages: pdfDocument.numPages,
+ URL: url
+ };
+}
+class GenericScripting {
+ constructor(sandboxBundleSrc) {
+ this._ready = new Promise((resolve, reject) => {
+ const sandbox = import(
+ /*webpackIgnore: true*/
+ /*@vite-ignore*/
+ sandboxBundleSrc);
+ sandbox.then(pdfjsSandbox => {
+ resolve(pdfjsSandbox.QuickJSSandbox());
+ }).catch(reject);
+ });
+ }
+ async createSandbox(data) {
+ const sandbox = await this._ready;
+ sandbox.create(data);
+ }
+ async dispatchEventInSandbox(event) {
+ const sandbox = await this._ready;
+ setTimeout(() => sandbox.dispatchEvent(event), 0);
+ }
+ async destroySandbox() {
+ const sandbox = await this._ready;
+ sandbox.nukeSandbox();
+ }
+}
+
+;// ./web/generic_signature_storage.js
+
+const KEY_STORAGE = "pdfjs.signature";
+class SignatureStorage {
+ #eventBus;
+ #signatures = null;
+ #signal = null;
+ constructor(eventBus, signal) {
+ this.#eventBus = eventBus;
+ this.#signal = signal;
+ }
+ #save() {
+ localStorage.setItem(KEY_STORAGE, JSON.stringify(Object.fromEntries(this.#signatures)));
+ }
+ async getAll() {
+ if (this.#signal) {
+ window.addEventListener("storage", ({
+ key
+ }) => {
+ if (key === KEY_STORAGE) {
+ this.#signatures = null;
+ this.#eventBus?.dispatch("storedsignatureschanged", {
+ source: this
+ });
+ }
+ }, {
+ signal: this.#signal
+ });
+ this.#signal = null;
+ }
+ if (!this.#signatures) {
+ this.#signatures = new Map();
+ const data = localStorage.getItem(KEY_STORAGE);
+ if (data) {
+ for (const [key, value] of Object.entries(JSON.parse(data))) {
+ this.#signatures.set(key, value);
+ }
+ }
+ }
+ return this.#signatures;
+ }
+ async isFull() {
+ return (await this.size()) === 5;
+ }
+ async size() {
+ return (await this.getAll()).size;
+ }
+ async create(data) {
+ if (await this.isFull()) {
+ return null;
+ }
+ const uuid = getUuid();
+ this.#signatures.set(uuid, data);
+ this.#save();
+ return uuid;
+ }
+ async delete(uuid) {
+ const signatures = await this.getAll();
+ if (!signatures.has(uuid)) {
+ return false;
+ }
+ signatures.delete(uuid);
+ this.#save();
+ return true;
+ }
+}
+
+;// ./web/genericcom.js
+
+
+
+
+
+
+function initCom(app) {}
+class Preferences extends BasePreferences {
+ async _writeToStorage(prefObj) {
+ localStorage.setItem("pdfjs.preferences", JSON.stringify(prefObj));
+ }
+ async _readFromStorage(prefObj) {
+ return {
+ prefs: JSON.parse(localStorage.getItem("pdfjs.preferences"))
+ };
+ }
+}
+class ExternalServices extends BaseExternalServices {
+ async createL10n() {
+ return new genericl10n_GenericL10n(AppOptions.get("localeProperties")?.lang);
+ }
+ createScripting() {
+ return new GenericScripting(AppOptions.get("sandboxBundleSrc"));
+ }
+ createSignatureStorage(eventBus, signal) {
+ return new SignatureStorage(eventBus, signal);
+ }
+}
+class MLManager {
+ async isEnabledFor(_name) {
+ return false;
+ }
+ async deleteModel(_service) {
+ return null;
+ }
+ isReady(_name) {
+ return false;
+ }
+ guess(_data) {}
+ toggleService(_name, _enabled) {}
+}
+
+;// ./web/new_alt_text_manager.js
+
+class NewAltTextManager {
+ #boundCancel = this.#cancel.bind(this);
+ #createAutomaticallyButton;
+ #currentEditor = null;
+ #cancelButton;
+ #descriptionContainer;
+ #dialog;
+ #disclaimer;
+ #downloadModel;
+ #downloadModelDescription;
+ #eventBus;
+ #firstTime = false;
+ #guessedAltText;
+ #hasAI = null;
+ #isEditing = null;
+ #imagePreview;
+ #imageData;
+ #isAILoading = false;
+ #wasAILoading = false;
+ #learnMore;
+ #notNowButton;
+ #overlayManager;
+ #textarea;
+ #title;
+ #uiManager;
+ #previousAltText = null;
+ constructor({
+ descriptionContainer,
+ dialog,
+ imagePreview,
+ cancelButton,
+ disclaimer,
+ notNowButton,
+ saveButton,
+ textarea,
+ learnMore,
+ errorCloseButton,
+ createAutomaticallyButton,
+ downloadModel,
+ downloadModelDescription,
+ title
+ }, overlayManager, eventBus) {
+ this.#cancelButton = cancelButton;
+ this.#createAutomaticallyButton = createAutomaticallyButton;
+ this.#descriptionContainer = descriptionContainer;
+ this.#dialog = dialog;
+ this.#disclaimer = disclaimer;
+ this.#notNowButton = notNowButton;
+ this.#imagePreview = imagePreview;
+ this.#textarea = textarea;
+ this.#learnMore = learnMore;
+ this.#title = title;
+ this.#downloadModel = downloadModel;
+ this.#downloadModelDescription = downloadModelDescription;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", event => {
+ if (event.target !== this.#textarea) {
+ event.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", this.#boundCancel);
+ notNowButton.addEventListener("click", this.#boundCancel);
+ saveButton.addEventListener("click", this.#save.bind(this));
+ errorCloseButton.addEventListener("click", () => {
+ this.#toggleError(false);
+ });
+ createAutomaticallyButton.addEventListener("click", async () => {
+ const checked = createAutomaticallyButton.getAttribute("aria-pressed") !== "true";
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.ai_generation_check",
+ data: {
+ status: checked
+ }
+ });
+ if (this.#uiManager) {
+ this.#uiManager.setPreference("enableGuessAltText", checked);
+ await this.#uiManager.mlManager.toggleService("altText", checked);
+ }
+ this.#toggleGuessAltText(checked, false);
+ });
+ textarea.addEventListener("focus", () => {
+ this.#wasAILoading = this.#isAILoading;
+ this.#toggleLoading(false);
+ this.#toggleTitleAndDisclaimer();
+ });
+ textarea.addEventListener("blur", () => {
+ if (!textarea.value) {
+ this.#toggleLoading(this.#wasAILoading);
+ }
+ this.#toggleTitleAndDisclaimer();
+ });
+ textarea.addEventListener("input", () => {
+ this.#toggleTitleAndDisclaimer();
+ });
+ eventBus._on("enableguessalttext", ({
+ value
+ }) => {
+ this.#toggleGuessAltText(value, false);
+ });
+ this.#overlayManager.register(dialog);
+ this.#learnMore.addEventListener("click", () => {
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.info",
+ data: {
+ topic: "alt_text"
+ }
+ });
+ });
+ }
+ #toggleLoading(value) {
+ if (!this.#uiManager || this.#isAILoading === value) {
+ return;
+ }
+ this.#isAILoading = value;
+ this.#descriptionContainer.classList.toggle("loading", value);
+ }
+ #toggleError(value) {
+ if (!this.#uiManager) {
+ return;
+ }
+ this.#dialog.classList.toggle("error", value);
+ }
+ async #toggleGuessAltText(value, isInitial = false) {
+ if (!this.#uiManager) {
+ return;
+ }
+ this.#dialog.classList.toggle("aiDisabled", !value);
+ this.#createAutomaticallyButton.setAttribute("aria-pressed", value);
+ if (value) {
+ const {
+ altTextLearnMoreUrl
+ } = this.#uiManager.mlManager;
+ if (altTextLearnMoreUrl) {
+ this.#learnMore.href = altTextLearnMoreUrl;
+ }
+ this.#mlGuessAltText(isInitial);
+ } else {
+ this.#toggleLoading(false);
+ this.#isAILoading = false;
+ this.#toggleTitleAndDisclaimer();
+ }
+ }
+ #toggleNotNow() {
+ this.#notNowButton.classList.toggle("hidden", !this.#firstTime);
+ this.#cancelButton.classList.toggle("hidden", this.#firstTime);
+ }
+ #toggleAI(value) {
+ if (!this.#uiManager || this.#hasAI === value) {
+ return;
+ }
+ this.#hasAI = value;
+ this.#dialog.classList.toggle("noAi", !value);
+ this.#toggleTitleAndDisclaimer();
+ }
+ #toggleTitleAndDisclaimer() {
+ const visible = this.#isAILoading || this.#guessedAltText && this.#guessedAltText === this.#textarea.value;
+ this.#disclaimer.hidden = !visible;
+ const isEditing = this.#isAILoading || !!this.#textarea.value;
+ if (this.#isEditing === isEditing) {
+ return;
+ }
+ this.#isEditing = isEditing;
+ this.#title.setAttribute("data-l10n-id", isEditing ? "pdfjs-editor-new-alt-text-dialog-edit-label" : "pdfjs-editor-new-alt-text-dialog-add-label");
+ }
+ async #mlGuessAltText(isInitial) {
+ if (this.#isAILoading) {
+ return;
+ }
+ if (this.#textarea.value) {
+ return;
+ }
+ if (isInitial && this.#previousAltText !== null) {
+ return;
+ }
+ this.#guessedAltText = this.#currentEditor.guessedAltText;
+ if (this.#previousAltText === null && this.#guessedAltText) {
+ this.#addAltText(this.#guessedAltText);
+ return;
+ }
+ this.#toggleLoading(true);
+ this.#toggleTitleAndDisclaimer();
+ let hasError = false;
+ try {
+ const altText = await this.#currentEditor.mlGuessAltText(this.#imageData, false);
+ if (altText) {
+ this.#guessedAltText = altText;
+ this.#wasAILoading = this.#isAILoading;
+ if (this.#isAILoading) {
+ this.#addAltText(altText);
+ }
+ }
+ } catch (e) {
+ console.error(e);
+ hasError = true;
+ }
+ this.#toggleLoading(false);
+ this.#toggleTitleAndDisclaimer();
+ if (hasError && this.#uiManager) {
+ this.#toggleError(true);
+ }
+ }
+ #addAltText(altText) {
+ if (!this.#uiManager || this.#textarea.value) {
+ return;
+ }
+ this.#textarea.value = altText;
+ this.#toggleTitleAndDisclaimer();
+ }
+ #setProgress() {
+ this.#downloadModel.classList.toggle("hidden", false);
+ const callback = async ({
+ detail: {
+ finished,
+ total,
+ totalLoaded
+ }
+ }) => {
+ const ONE_MEGA_BYTES = 1e6;
+ totalLoaded = Math.min(0.99 * total, totalLoaded);
+ const totalSize = this.#downloadModelDescription.ariaValueMax = Math.round(total / ONE_MEGA_BYTES);
+ const downloadedSize = this.#downloadModelDescription.ariaValueNow = Math.round(totalLoaded / ONE_MEGA_BYTES);
+ this.#downloadModelDescription.setAttribute("data-l10n-args", JSON.stringify({
+ totalSize,
+ downloadedSize
+ }));
+ if (!finished) {
+ return;
+ }
+ this.#eventBus._off("loadaiengineprogress", callback);
+ this.#downloadModel.classList.toggle("hidden", true);
+ this.#toggleAI(true);
+ if (!this.#uiManager) {
+ return;
+ }
+ const {
+ mlManager
+ } = this.#uiManager;
+ mlManager.toggleService("altText", true);
+ this.#toggleGuessAltText(await mlManager.isEnabledFor("altText"), true);
+ };
+ this.#eventBus._on("loadaiengineprogress", callback);
+ }
+ async editAltText(uiManager, editor, firstTime) {
+ if (this.#currentEditor || !editor) {
+ return;
+ }
+ if (firstTime && editor.hasAltTextData()) {
+ editor.altTextFinish();
+ return;
+ }
+ this.#firstTime = firstTime;
+ let {
+ mlManager
+ } = uiManager;
+ let hasAI = !!mlManager;
+ this.#toggleTitleAndDisclaimer();
+ if (mlManager && !mlManager.isReady("altText")) {
+ hasAI = false;
+ if (mlManager.hasProgress) {
+ this.#setProgress();
+ } else {
+ mlManager = null;
+ }
+ } else {
+ this.#downloadModel.classList.toggle("hidden", true);
+ }
+ const isAltTextEnabledPromise = mlManager?.isEnabledFor("altText");
+ this.#currentEditor = editor;
+ this.#uiManager = uiManager;
+ this.#uiManager.removeEditListeners();
+ ({
+ altText: this.#previousAltText
+ } = editor.altTextData);
+ this.#textarea.value = this.#previousAltText ?? "";
+ const AI_MAX_IMAGE_DIMENSION = 224;
+ const MAX_PREVIEW_DIMENSION = 180;
+ let canvas, width, height;
+ if (mlManager) {
+ ({
+ canvas,
+ width,
+ height,
+ imageData: this.#imageData
+ } = editor.copyCanvas(AI_MAX_IMAGE_DIMENSION, MAX_PREVIEW_DIMENSION, true));
+ if (hasAI) {
+ this.#toggleGuessAltText(await isAltTextEnabledPromise, true);
+ }
+ } else {
+ ({
+ canvas,
+ width,
+ height
+ } = editor.copyCanvas(AI_MAX_IMAGE_DIMENSION, MAX_PREVIEW_DIMENSION, false));
+ }
+ canvas.setAttribute("role", "presentation");
+ const {
+ style
+ } = canvas;
+ style.width = `${width}px`;
+ style.height = `${height}px`;
+ this.#imagePreview.append(canvas);
+ this.#toggleNotNow();
+ this.#toggleAI(hasAI);
+ this.#toggleError(false);
+ try {
+ await this.#overlayManager.open(this.#dialog);
+ } catch (ex) {
+ this.#close();
+ throw ex;
+ }
+ }
+ #cancel() {
+ this.#currentEditor.altTextData = {
+ cancel: true
+ };
+ const altText = this.#textarea.value.trim();
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.dismiss",
+ data: {
+ alt_text_type: altText ? "present" : "empty",
+ flow: this.#firstTime ? "image_add" : "alt_text_edit"
+ }
+ });
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.image_added",
+ data: {
+ alt_text_modal: true,
+ alt_text_type: "skipped"
+ }
+ });
+ this.#finish();
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ const canvas = this.#imagePreview.firstChild;
+ canvas.remove();
+ canvas.width = canvas.height = 0;
+ this.#imageData = null;
+ this.#toggleLoading(false);
+ this.#uiManager?.addEditListeners();
+ this.#currentEditor.altTextFinish();
+ this.#uiManager?.setSelected(this.#currentEditor);
+ this.#currentEditor = null;
+ this.#uiManager = null;
+ }
+ #extractWords(text) {
+ return new Set(text.toLowerCase().split(/[^\p{L}\p{N}]+/gu).filter(x => !!x));
+ }
+ #save() {
+ const altText = this.#textarea.value.trim();
+ this.#currentEditor.altTextData = {
+ altText,
+ decorative: false
+ };
+ this.#currentEditor.altTextData.guessedAltText = this.#guessedAltText;
+ if (this.#guessedAltText && this.#guessedAltText !== altText) {
+ const guessedWords = this.#extractWords(this.#guessedAltText);
+ const words = this.#extractWords(altText);
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.user_edit",
+ data: {
+ total_words: guessedWords.size,
+ words_removed: guessedWords.difference(words).size,
+ words_added: words.difference(guessedWords).size
+ }
+ });
+ }
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.image_added",
+ data: {
+ alt_text_modal: true,
+ alt_text_type: altText ? "present" : "empty"
+ }
+ });
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.save",
+ data: {
+ alt_text_type: altText ? "present" : "empty",
+ flow: this.#firstTime ? "image_add" : "alt_text_edit"
+ }
+ });
+ this.#finish();
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#finish();
+ }
+}
+class ImageAltTextSettings {
+ #aiModelSettings;
+ #createModelButton;
+ #downloadModelButton;
+ #dialog;
+ #eventBus;
+ #mlManager;
+ #overlayManager;
+ #showAltTextDialogButton;
+ constructor({
+ dialog,
+ createModelButton,
+ aiModelSettings,
+ learnMore,
+ closeButton,
+ deleteModelButton,
+ downloadModelButton,
+ showAltTextDialogButton
+ }, overlayManager, eventBus, mlManager) {
+ this.#dialog = dialog;
+ this.#aiModelSettings = aiModelSettings;
+ this.#createModelButton = createModelButton;
+ this.#downloadModelButton = downloadModelButton;
+ this.#showAltTextDialogButton = showAltTextDialogButton;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ this.#mlManager = mlManager;
+ const {
+ altTextLearnMoreUrl
+ } = mlManager;
+ if (altTextLearnMoreUrl) {
+ learnMore.href = altTextLearnMoreUrl;
+ }
+ dialog.addEventListener("contextmenu", noContextMenu);
+ createModelButton.addEventListener("click", async e => {
+ const checked = this.#togglePref("enableGuessAltText", e);
+ await mlManager.toggleService("altText", checked);
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.settings_ai_generation_check",
+ data: {
+ status: checked
+ }
+ });
+ });
+ showAltTextDialogButton.addEventListener("click", e => {
+ const checked = this.#togglePref("enableNewAltTextWhenAddingImage", e);
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.settings_edit_alt_text_check",
+ data: {
+ status: checked
+ }
+ });
+ });
+ deleteModelButton.addEventListener("click", this.#delete.bind(this, true));
+ downloadModelButton.addEventListener("click", this.#download.bind(this, true));
+ closeButton.addEventListener("click", this.#finish.bind(this));
+ learnMore.addEventListener("click", () => {
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.info",
+ data: {
+ topic: "ai_generation"
+ }
+ });
+ });
+ eventBus._on("enablealttextmodeldownload", ({
+ value
+ }) => {
+ if (value) {
+ this.#download(false);
+ } else {
+ this.#delete(false);
+ }
+ });
+ this.#overlayManager.register(dialog);
+ }
+ #reportTelemetry(data) {
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "editing",
+ data
+ }
+ });
+ }
+ async #download(isFromUI = false) {
+ if (isFromUI) {
+ this.#downloadModelButton.disabled = true;
+ const span = this.#downloadModelButton.firstChild;
+ span.setAttribute("data-l10n-id", "pdfjs-editor-alt-text-settings-downloading-model-button");
+ await this.#mlManager.downloadModel("altText");
+ span.setAttribute("data-l10n-id", "pdfjs-editor-alt-text-settings-download-model-button");
+ this.#createModelButton.disabled = false;
+ this.#setPref("enableGuessAltText", true);
+ this.#mlManager.toggleService("altText", true);
+ this.#setPref("enableAltTextModelDownload", true);
+ this.#downloadModelButton.disabled = false;
+ }
+ this.#aiModelSettings.classList.toggle("download", false);
+ this.#createModelButton.setAttribute("aria-pressed", true);
+ }
+ async #delete(isFromUI = false) {
+ if (isFromUI) {
+ await this.#mlManager.deleteModel("altText");
+ this.#setPref("enableGuessAltText", false);
+ this.#setPref("enableAltTextModelDownload", false);
+ }
+ this.#aiModelSettings.classList.toggle("download", true);
+ this.#createModelButton.disabled = true;
+ this.#createModelButton.setAttribute("aria-pressed", false);
+ }
+ async open({
+ enableGuessAltText,
+ enableNewAltTextWhenAddingImage
+ }) {
+ const {
+ enableAltTextModelDownload
+ } = this.#mlManager;
+ this.#createModelButton.disabled = !enableAltTextModelDownload;
+ this.#createModelButton.setAttribute("aria-pressed", enableAltTextModelDownload && enableGuessAltText);
+ this.#showAltTextDialogButton.setAttribute("aria-pressed", enableNewAltTextWhenAddingImage);
+ this.#aiModelSettings.classList.toggle("download", !enableAltTextModelDownload);
+ await this.#overlayManager.open(this.#dialog);
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.settings_displayed"
+ });
+ }
+ #togglePref(name, {
+ target
+ }) {
+ const checked = target.getAttribute("aria-pressed") !== "true";
+ this.#setPref(name, checked);
+ target.setAttribute("aria-pressed", checked);
+ return checked;
+ }
+ #setPref(name, value) {
+ this.#eventBus.dispatch("setpreference", {
+ source: this,
+ name,
+ value
+ });
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+}
+
+;// ./web/alt_text_manager.js
+
+class AltTextManager {
+ #clickAC = null;
+ #currentEditor = null;
+ #cancelButton;
+ #dialog;
+ #eventBus;
+ #hasUsedPointer = false;
+ #optionDescription;
+ #optionDecorative;
+ #overlayManager;
+ #saveButton;
+ #textarea;
+ #uiManager;
+ #previousAltText = null;
+ #resizeAC = null;
+ #svgElement = null;
+ #rectElement = null;
+ #container;
+ #telemetryData = null;
+ constructor({
+ dialog,
+ optionDescription,
+ optionDecorative,
+ textarea,
+ cancelButton,
+ saveButton
+ }, container, overlayManager, eventBus) {
+ this.#dialog = dialog;
+ this.#optionDescription = optionDescription;
+ this.#optionDecorative = optionDecorative;
+ this.#textarea = textarea;
+ this.#cancelButton = cancelButton;
+ this.#saveButton = saveButton;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ this.#container = container;
+ const onUpdateUIState = this.#updateUIState.bind(this);
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", event => {
+ if (event.target !== this.#textarea) {
+ event.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", this.#finish.bind(this));
+ saveButton.addEventListener("click", this.#save.bind(this));
+ optionDescription.addEventListener("change", onUpdateUIState);
+ optionDecorative.addEventListener("change", onUpdateUIState);
+ this.#overlayManager.register(dialog);
+ }
+ #createSVGElement() {
+ if (this.#svgElement) {
+ return;
+ }
+ const svgFactory = new DOMSVGFactory();
+ const svg = this.#svgElement = svgFactory.createElement("svg");
+ svg.setAttribute("width", "0");
+ svg.setAttribute("height", "0");
+ const defs = svgFactory.createElement("defs");
+ svg.append(defs);
+ const mask = svgFactory.createElement("mask");
+ defs.append(mask);
+ mask.setAttribute("id", "alttext-manager-mask");
+ mask.setAttribute("maskContentUnits", "objectBoundingBox");
+ let rect = svgFactory.createElement("rect");
+ mask.append(rect);
+ rect.setAttribute("fill", "white");
+ rect.setAttribute("width", "1");
+ rect.setAttribute("height", "1");
+ rect.setAttribute("x", "0");
+ rect.setAttribute("y", "0");
+ rect = this.#rectElement = svgFactory.createElement("rect");
+ mask.append(rect);
+ rect.setAttribute("fill", "black");
+ this.#dialog.append(svg);
+ }
+ async editAltText(uiManager, editor) {
+ if (this.#currentEditor || !editor) {
+ return;
+ }
+ this.#createSVGElement();
+ this.#hasUsedPointer = false;
+ this.#clickAC = new AbortController();
+ const clickOpts = {
+ signal: this.#clickAC.signal
+ },
+ onClick = this.#onClick.bind(this);
+ for (const element of [this.#optionDescription, this.#optionDecorative, this.#textarea, this.#saveButton, this.#cancelButton]) {
+ element.addEventListener("click", onClick, clickOpts);
+ }
+ const {
+ altText,
+ decorative
+ } = editor.altTextData;
+ if (decorative === true) {
+ this.#optionDecorative.checked = true;
+ this.#optionDescription.checked = false;
+ } else {
+ this.#optionDecorative.checked = false;
+ this.#optionDescription.checked = true;
+ }
+ this.#previousAltText = this.#textarea.value = altText?.trim() || "";
+ this.#updateUIState();
+ this.#currentEditor = editor;
+ this.#uiManager = uiManager;
+ this.#uiManager.removeEditListeners();
+ this.#resizeAC = new AbortController();
+ this.#eventBus._on("resize", this.#setPosition.bind(this), {
+ signal: this.#resizeAC.signal
+ });
+ try {
+ await this.#overlayManager.open(this.#dialog);
+ this.#setPosition();
+ } catch (ex) {
+ this.#close();
+ throw ex;
+ }
+ }
+ #setPosition() {
+ if (!this.#currentEditor) {
+ return;
+ }
+ const dialog = this.#dialog;
+ const {
+ style
+ } = dialog;
+ const {
+ x: containerX,
+ y: containerY,
+ width: containerW,
+ height: containerH
+ } = this.#container.getBoundingClientRect();
+ const {
+ innerWidth: windowW,
+ innerHeight: windowH
+ } = window;
+ const {
+ width: dialogW,
+ height: dialogH
+ } = dialog.getBoundingClientRect();
+ const {
+ x,
+ y,
+ width,
+ height
+ } = this.#currentEditor.getClientDimensions();
+ const MARGIN = 10;
+ const isLTR = this.#uiManager.direction === "ltr";
+ const xs = Math.max(x, containerX);
+ const xe = Math.min(x + width, containerX + containerW);
+ const ys = Math.max(y, containerY);
+ const ye = Math.min(y + height, containerY + containerH);
+ this.#rectElement.setAttribute("width", `${(xe - xs) / windowW}`);
+ this.#rectElement.setAttribute("height", `${(ye - ys) / windowH}`);
+ this.#rectElement.setAttribute("x", `${xs / windowW}`);
+ this.#rectElement.setAttribute("y", `${ys / windowH}`);
+ let left = null;
+ let top = Math.max(y, 0);
+ top += Math.min(windowH - (top + dialogH), 0);
+ if (isLTR) {
+ if (x + width + MARGIN + dialogW < windowW) {
+ left = x + width + MARGIN;
+ } else if (x > dialogW + MARGIN) {
+ left = x - dialogW - MARGIN;
+ }
+ } else if (x > dialogW + MARGIN) {
+ left = x - dialogW - MARGIN;
+ } else if (x + width + MARGIN + dialogW < windowW) {
+ left = x + width + MARGIN;
+ }
+ if (left === null) {
+ top = null;
+ left = Math.max(x, 0);
+ left += Math.min(windowW - (left + dialogW), 0);
+ if (y > dialogH + MARGIN) {
+ top = y - dialogH - MARGIN;
+ } else if (y + height + MARGIN + dialogH < windowH) {
+ top = y + height + MARGIN;
+ }
+ }
+ if (top !== null) {
+ dialog.classList.add("positioned");
+ if (isLTR) {
+ style.left = `${left}px`;
+ } else {
+ style.right = `${windowW - left - dialogW}px`;
+ }
+ style.top = `${top}px`;
+ } else {
+ dialog.classList.remove("positioned");
+ style.left = "";
+ style.top = "";
+ }
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ this.#currentEditor._reportTelemetry(this.#telemetryData || {
+ action: "alt_text_cancel",
+ alt_text_keyboard: !this.#hasUsedPointer
+ });
+ this.#telemetryData = null;
+ this.#removeOnClickListeners();
+ this.#uiManager?.addEditListeners();
+ this.#resizeAC?.abort();
+ this.#resizeAC = null;
+ this.#currentEditor.altTextFinish();
+ this.#currentEditor = null;
+ this.#uiManager = null;
+ }
+ #updateUIState() {
+ this.#textarea.disabled = this.#optionDecorative.checked;
+ }
+ #save() {
+ const altText = this.#textarea.value.trim();
+ const decorative = this.#optionDecorative.checked;
+ this.#currentEditor.altTextData = {
+ altText,
+ decorative
+ };
+ this.#telemetryData = {
+ action: "alt_text_save",
+ alt_text_description: !!altText,
+ alt_text_edit: !!this.#previousAltText && this.#previousAltText !== altText,
+ alt_text_decorative: decorative,
+ alt_text_keyboard: !this.#hasUsedPointer
+ };
+ this.#finish();
+ }
+ #onClick(evt) {
+ if (evt.detail === 0) {
+ return;
+ }
+ this.#hasUsedPointer = true;
+ this.#removeOnClickListeners();
+ }
+ #removeOnClickListeners() {
+ this.#clickAC?.abort();
+ this.#clickAC = null;
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#finish();
+ this.#svgElement?.remove();
+ this.#svgElement = this.#rectElement = null;
+ }
+}
+
+;// ./web/annotation_editor_params.js
+
+class AnnotationEditorParams {
+ constructor(options, eventBus) {
+ this.eventBus = eventBus;
+ this.#bindListeners(options);
+ }
+ #bindListeners({
+ editorFreeTextFontSize,
+ editorFreeTextColor,
+ editorInkColor,
+ editorInkThickness,
+ editorInkOpacity,
+ editorStampAddImage,
+ editorFreeHighlightThickness,
+ editorHighlightShowAll,
+ editorSignatureAddSignature
+ }) {
+ const {
+ eventBus
+ } = this;
+ const dispatchEvent = (typeStr, value) => {
+ eventBus.dispatch("switchannotationeditorparams", {
+ source: this,
+ type: AnnotationEditorParamsType[typeStr],
+ value
+ });
+ };
+ editorFreeTextFontSize.addEventListener("input", function () {
+ dispatchEvent("FREETEXT_SIZE", this.valueAsNumber);
+ });
+ editorFreeTextColor.addEventListener("input", function () {
+ dispatchEvent("FREETEXT_COLOR", this.value);
+ });
+ editorInkColor.addEventListener("input", function () {
+ dispatchEvent("INK_COLOR", this.value);
+ });
+ editorInkThickness.addEventListener("input", function () {
+ dispatchEvent("INK_THICKNESS", this.valueAsNumber);
+ });
+ editorInkOpacity.addEventListener("input", function () {
+ dispatchEvent("INK_OPACITY", this.valueAsNumber);
+ });
+ editorStampAddImage.addEventListener("click", () => {
+ eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "editing",
+ data: {
+ action: "pdfjs.image.add_image_click"
+ }
+ }
+ });
+ dispatchEvent("CREATE");
+ });
+ editorFreeHighlightThickness.addEventListener("input", function () {
+ dispatchEvent("HIGHLIGHT_THICKNESS", this.valueAsNumber);
+ });
+ editorHighlightShowAll.addEventListener("click", function () {
+ const checked = this.getAttribute("aria-pressed") === "true";
+ this.setAttribute("aria-pressed", !checked);
+ dispatchEvent("HIGHLIGHT_SHOW_ALL", !checked);
+ });
+ editorSignatureAddSignature.addEventListener("click", () => {
+ dispatchEvent("CREATE");
+ });
+ eventBus._on("annotationeditorparamschanged", evt => {
+ for (const [type, value] of evt.details) {
+ switch (type) {
+ case AnnotationEditorParamsType.FREETEXT_SIZE:
+ editorFreeTextFontSize.value = value;
+ break;
+ case AnnotationEditorParamsType.FREETEXT_COLOR:
+ editorFreeTextColor.value = value;
+ break;
+ case AnnotationEditorParamsType.INK_COLOR:
+ editorInkColor.value = value;
+ break;
+ case AnnotationEditorParamsType.INK_THICKNESS:
+ editorInkThickness.value = value;
+ break;
+ case AnnotationEditorParamsType.INK_OPACITY:
+ editorInkOpacity.value = value;
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_COLOR:
+ eventBus.dispatch("mainhighlightcolorpickerupdatecolor", {
+ source: this,
+ value
+ });
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_THICKNESS:
+ editorFreeHighlightThickness.value = value;
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_FREE:
+ editorFreeHighlightThickness.disabled = !value;
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_SHOW_ALL:
+ editorHighlightShowAll.setAttribute("aria-pressed", value);
+ break;
+ }
+ }
+ });
+ }
+}
+
+;// ./web/caret_browsing.js
+const PRECISION = 1e-1;
+class CaretBrowsingMode {
+ #mainContainer;
+ #toolBarHeight = 0;
+ #viewerContainer;
+ constructor(abortSignal, mainContainer, viewerContainer, toolbarContainer) {
+ this.#mainContainer = mainContainer;
+ this.#viewerContainer = viewerContainer;
+ if (!toolbarContainer) {
+ return;
+ }
+ this.#toolBarHeight = toolbarContainer.getBoundingClientRect().height;
+ const toolbarObserver = new ResizeObserver(entries => {
+ for (const entry of entries) {
+ if (entry.target === toolbarContainer) {
+ this.#toolBarHeight = Math.floor(entry.borderBoxSize[0].blockSize);
+ break;
+ }
+ }
+ });
+ toolbarObserver.observe(toolbarContainer);
+ abortSignal.addEventListener("abort", () => toolbarObserver.disconnect(), {
+ once: true
+ });
+ }
+ #isOnSameLine(rect1, rect2) {
+ const top1 = rect1.y;
+ const bot1 = rect1.bottom;
+ const mid1 = rect1.y + rect1.height / 2;
+ const top2 = rect2.y;
+ const bot2 = rect2.bottom;
+ const mid2 = rect2.y + rect2.height / 2;
+ return top1 <= mid2 && mid2 <= bot1 || top2 <= mid1 && mid1 <= bot2;
+ }
+ #isUnderOver(rect, x, y, isUp) {
+ const midY = rect.y + rect.height / 2;
+ return (isUp ? y >= midY : y <= midY) && rect.x - PRECISION <= x && x <= rect.right + PRECISION;
+ }
+ #isVisible(rect) {
+ return rect.top >= this.#toolBarHeight && rect.left >= 0 && rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && rect.right <= (window.innerWidth || document.documentElement.clientWidth);
+ }
+ #getCaretPosition(selection, isUp) {
+ const {
+ focusNode,
+ focusOffset
+ } = selection;
+ const range = document.createRange();
+ range.setStart(focusNode, focusOffset);
+ range.setEnd(focusNode, focusOffset);
+ const rect = range.getBoundingClientRect();
+ return [rect.x, isUp ? rect.top : rect.bottom];
+ }
+ static #caretPositionFromPoint(x, y) {
+ if (!document.caretPositionFromPoint) {
+ const {
+ startContainer: offsetNode,
+ startOffset: offset
+ } = document.caretRangeFromPoint(x, y);
+ return {
+ offsetNode,
+ offset
+ };
+ }
+ return document.caretPositionFromPoint(x, y);
+ }
+ #setCaretPositionHelper(selection, caretX, select, element, rect) {
+ rect ||= element.getBoundingClientRect();
+ if (caretX <= rect.x + PRECISION) {
+ if (select) {
+ selection.extend(element.firstChild, 0);
+ } else {
+ selection.setPosition(element.firstChild, 0);
+ }
+ return;
+ }
+ if (rect.right - PRECISION <= caretX) {
+ const {
+ lastChild
+ } = element;
+ if (select) {
+ selection.extend(lastChild, lastChild.length);
+ } else {
+ selection.setPosition(lastChild, lastChild.length);
+ }
+ return;
+ }
+ const midY = rect.y + rect.height / 2;
+ let caretPosition = CaretBrowsingMode.#caretPositionFromPoint(caretX, midY);
+ let parentElement = caretPosition.offsetNode?.parentElement;
+ if (parentElement && parentElement !== element) {
+ const elementsAtPoint = document.elementsFromPoint(caretX, midY);
+ const savedVisibilities = [];
+ for (const el of elementsAtPoint) {
+ if (el === element) {
+ break;
+ }
+ const {
+ style
+ } = el;
+ savedVisibilities.push([el, style.visibility]);
+ style.visibility = "hidden";
+ }
+ caretPosition = CaretBrowsingMode.#caretPositionFromPoint(caretX, midY);
+ parentElement = caretPosition.offsetNode?.parentElement;
+ for (const [el, visibility] of savedVisibilities) {
+ el.style.visibility = visibility;
+ }
+ }
+ if (parentElement !== element) {
+ if (select) {
+ selection.extend(element.firstChild, 0);
+ } else {
+ selection.setPosition(element.firstChild, 0);
+ }
+ return;
+ }
+ if (select) {
+ selection.extend(caretPosition.offsetNode, caretPosition.offset);
+ } else {
+ selection.setPosition(caretPosition.offsetNode, caretPosition.offset);
+ }
+ }
+ #setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX) {
+ if (this.#isVisible(newLineElementRect)) {
+ this.#setCaretPositionHelper(selection, caretX, select, newLineElement, newLineElementRect);
+ return;
+ }
+ this.#mainContainer.addEventListener("scrollend", this.#setCaretPositionHelper.bind(this, selection, caretX, select, newLineElement, null), {
+ once: true
+ });
+ newLineElement.scrollIntoView();
+ }
+ #getNodeOnNextPage(textLayer, isUp) {
+ while (true) {
+ const page = textLayer.closest(".page");
+ const pageNumber = parseInt(page.getAttribute("data-page-number"));
+ const nextPage = isUp ? pageNumber - 1 : pageNumber + 1;
+ textLayer = this.#viewerContainer.querySelector(`.page[data-page-number="${nextPage}"] .textLayer`);
+ if (!textLayer) {
+ return null;
+ }
+ const walker = document.createTreeWalker(textLayer, NodeFilter.SHOW_TEXT);
+ const node = isUp ? walker.lastChild() : walker.firstChild();
+ if (node) {
+ return node;
+ }
+ }
+ }
+ moveCaret(isUp, select) {
+ const selection = document.getSelection();
+ if (selection.rangeCount === 0) {
+ return;
+ }
+ const {
+ focusNode
+ } = selection;
+ const focusElement = focusNode.nodeType !== Node.ELEMENT_NODE ? focusNode.parentElement : focusNode;
+ const root = focusElement.closest(".textLayer");
+ if (!root) {
+ return;
+ }
+ const walker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT);
+ walker.currentNode = focusNode;
+ const focusRect = focusElement.getBoundingClientRect();
+ let newLineElement = null;
+ const nodeIterator = (isUp ? walker.previousSibling : walker.nextSibling).bind(walker);
+ while (nodeIterator()) {
+ const element = walker.currentNode.parentElement;
+ if (!this.#isOnSameLine(focusRect, element.getBoundingClientRect())) {
+ newLineElement = element;
+ break;
+ }
+ }
+ if (!newLineElement) {
+ const node = this.#getNodeOnNextPage(root, isUp);
+ if (!node) {
+ return;
+ }
+ if (select) {
+ const lastNode = (isUp ? walker.firstChild() : walker.lastChild()) || focusNode;
+ selection.extend(lastNode, isUp ? 0 : lastNode.length);
+ const range = document.createRange();
+ range.setStart(node, isUp ? node.length : 0);
+ range.setEnd(node, isUp ? node.length : 0);
+ selection.addRange(range);
+ return;
+ }
+ const [caretX] = this.#getCaretPosition(selection, isUp);
+ const {
+ parentElement
+ } = node;
+ this.#setCaretPosition(select, selection, parentElement, parentElement.getBoundingClientRect(), caretX);
+ return;
+ }
+ const [caretX, caretY] = this.#getCaretPosition(selection, isUp);
+ const newLineElementRect = newLineElement.getBoundingClientRect();
+ if (this.#isUnderOver(newLineElementRect, caretX, caretY, isUp)) {
+ this.#setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX);
+ return;
+ }
+ while (nodeIterator()) {
+ const element = walker.currentNode.parentElement;
+ const elementRect = element.getBoundingClientRect();
+ if (!this.#isOnSameLine(newLineElementRect, elementRect)) {
+ break;
+ }
+ if (this.#isUnderOver(elementRect, caretX, caretY, isUp)) {
+ this.#setCaretPosition(select, selection, element, elementRect, caretX);
+ return;
+ }
+ }
+ this.#setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX);
+ }
+}
+
+;// ./web/comment_manager.js
+
+
+class CommentManager {
+ #dialog;
+ #popup;
+ #sidebar;
+ static #hasForcedColors = null;
+ constructor(commentDialog, sidebar, eventBus, linkService, overlayManager, ltr, hasForcedColors) {
+ const dateFormat = new Intl.DateTimeFormat(undefined, {
+ dateStyle: "long"
+ });
+ this.dialogElement = commentDialog.dialog;
+ this.#dialog = new CommentDialog(commentDialog, overlayManager, eventBus, ltr);
+ this.#popup = new CommentPopup(eventBus, dateFormat, ltr, this.dialogElement);
+ this.#sidebar = new CommentSidebar(sidebar, eventBus, linkService, this.#popup, dateFormat, ltr);
+ this.#popup.sidebar = this.#sidebar;
+ CommentManager.#hasForcedColors = hasForcedColors;
+ }
+ setSidebarUiManager(uiManager) {
+ this.#sidebar.setUIManager(uiManager);
+ }
+ showSidebar(annotations) {
+ this.#sidebar.show(annotations);
+ }
+ hideSidebar() {
+ this.#sidebar.hide();
+ }
+ removeComments(ids) {
+ this.#sidebar.removeComments(ids);
+ }
+ selectComment(id) {
+ this.#sidebar.selectComment(null, id);
+ }
+ addComment(annotation) {
+ this.#sidebar.addComment(annotation);
+ }
+ updateComment(annotation) {
+ this.#sidebar.updateComment(annotation);
+ }
+ toggleCommentPopup(editor, isSelected, visibility, isEditable) {
+ if (isSelected) {
+ this.selectComment(editor.uid);
+ }
+ this.#popup.toggle(editor, isSelected, visibility, isEditable);
+ }
+ destroyPopup() {
+ this.#popup.destroy();
+ }
+ updatePopupColor(editor) {
+ this.#popup.updateColor(editor);
+ }
+ showDialog(uiManager, editor, posX, posY, options) {
+ return this.#dialog.open(uiManager, editor, posX, posY, options);
+ }
+ makeCommentColor(color, opacity) {
+ return CommentManager._makeCommentColor(color, opacity);
+ }
+ static _makeCommentColor(color, opacity) {
+ return this.#hasForcedColors ? null : findContrastColor(applyOpacity(...color, opacity ?? 1), CSSConstants.commentForegroundColor);
+ }
+ destroy() {
+ this.#dialog.destroy();
+ this.#sidebar.hide();
+ this.#popup.destroy();
+ }
+}
+class CommentSidebar {
+ #annotations = null;
+ #eventBus;
+ #boundCommentClick = this.#commentClick.bind(this);
+ #boundCommentKeydown = this.#commentKeydown.bind(this);
+ #sidebar;
+ #closeButton;
+ #commentsList;
+ #commentCount;
+ #dateFormat;
+ #sidebarTitle;
+ #learnMoreUrl;
+ #linkService;
+ #popup;
+ #elementsToAnnotations = null;
+ #idsToElements = null;
+ #uiManager = null;
+ #minWidth = 0;
+ #maxWidth = 0;
+ #initialWidth = 0;
+ #width = 0;
+ #ltr;
+ constructor({
+ learnMoreUrl,
+ sidebar,
+ sidebarResizer,
+ commentsList,
+ commentCount,
+ sidebarTitle,
+ closeButton,
+ commentToolbarButton
+ }, eventBus, linkService, popup, dateFormat, ltr) {
+ this.#sidebar = sidebar;
+ this.#sidebarTitle = sidebarTitle;
+ this.#commentsList = commentsList;
+ this.#commentCount = commentCount;
+ this.#learnMoreUrl = learnMoreUrl;
+ this.#linkService = linkService;
+ this.#closeButton = closeButton;
+ this.#popup = popup;
+ this.#dateFormat = dateFormat;
+ this.#ltr = ltr;
+ this.#eventBus = eventBus;
+ const style = window.getComputedStyle(sidebar);
+ this.#minWidth = parseFloat(style.getPropertyValue("--sidebar-min-width"));
+ this.#maxWidth = parseFloat(style.getPropertyValue("--sidebar-max-width"));
+ this.#initialWidth = this.#width = parseFloat(style.getPropertyValue("--sidebar-width"));
+ this.#makeSidebarResizable(sidebarResizer);
+ closeButton.addEventListener("click", () => {
+ eventBus.dispatch("switchannotationeditormode", {
+ source: this,
+ mode: AnnotationEditorType.NONE
+ });
+ });
+ const keyDownCallback = e => {
+ if (e.key === "ArrowDown" || e.key === "Home" || e.key === "F6") {
+ this.#commentsList.firstElementChild.focus();
+ stopEvent(e);
+ } else if (e.key === "ArrowUp" || e.key === "End") {
+ this.#commentsList.lastElementChild.focus();
+ stopEvent(e);
+ }
+ };
+ commentToolbarButton.addEventListener("keydown", keyDownCallback);
+ sidebar.addEventListener("keydown", keyDownCallback);
+ this.#sidebar.hidden = true;
+ }
+ #makeSidebarResizable(resizer) {
+ let pointerMoveAC;
+ const cancelResize = () => {
+ this.#width = MathClamp(this.#width, this.#minWidth, this.#maxWidth);
+ this.#sidebar.classList.remove("resizing");
+ pointerMoveAC?.abort();
+ pointerMoveAC = null;
+ };
+ resizer.addEventListener("pointerdown", e => {
+ if (pointerMoveAC) {
+ cancelResize();
+ return;
+ }
+ const {
+ clientX
+ } = e;
+ stopEvent(e);
+ let prevX = clientX;
+ pointerMoveAC = new AbortController();
+ const {
+ signal
+ } = pointerMoveAC;
+ const sign = this.#ltr ? -1 : 1;
+ const sidebar = this.#sidebar;
+ const sidebarStyle = sidebar.style;
+ sidebar.classList.add("resizing");
+ const parentStyle = sidebar.parentElement.style;
+ parentStyle.minWidth = 0;
+ window.addEventListener("contextmenu", noContextMenu, {
+ signal
+ });
+ window.addEventListener("pointermove", ev => {
+ if (!pointerMoveAC) {
+ return;
+ }
+ stopEvent(ev);
+ const {
+ clientX: x
+ } = ev;
+ const newWidth = this.#width += sign * (x - prevX);
+ prevX = x;
+ if (newWidth > this.#maxWidth || newWidth < this.#minWidth) {
+ return;
+ }
+ sidebarStyle.width = `${newWidth.toFixed(3)}px`;
+ parentStyle.insetInlineStart = `${(this.#initialWidth - newWidth).toFixed(3)}px`;
+ }, {
+ signal,
+ capture: true
+ });
+ window.addEventListener("blur", cancelResize, {
+ signal
+ });
+ window.addEventListener("pointerup", ev => {
+ if (pointerMoveAC) {
+ cancelResize();
+ stopEvent(ev);
+ }
+ }, {
+ signal
+ });
+ });
+ }
+ setUIManager(uiManager) {
+ this.#uiManager = uiManager;
+ }
+ show(annotations) {
+ this.#elementsToAnnotations = new WeakMap();
+ this.#idsToElements = new Map();
+ this.#annotations = annotations;
+ annotations.sort(this.#sortComments.bind(this));
+ if (annotations.length !== 0) {
+ const fragment = document.createDocumentFragment();
+ for (const annotation of annotations) {
+ fragment.append(this.#createCommentElement(annotation));
+ }
+ this.#setCommentsCount(fragment);
+ this.#commentsList.append(fragment);
+ } else {
+ this.#setCommentsCount();
+ }
+ this.#sidebar.hidden = false;
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "commentSidebar",
+ data: {
+ numberOfAnnotations: annotations.length
+ }
+ }
+ });
+ }
+ hide() {
+ this.#sidebar.hidden = true;
+ this.#commentsList.replaceChildren();
+ this.#elementsToAnnotations = null;
+ this.#idsToElements = null;
+ this.#annotations = null;
+ }
+ removeComments(ids) {
+ if (ids.length === 0 || !this.#idsToElements) {
+ return;
+ }
+ if (new Set(this.#idsToElements.keys()).difference(new Set(ids)).size === 0) {
+ this.#removeAll();
+ return;
+ }
+ for (const id of ids) {
+ this.#removeComment(id);
+ }
+ }
+ focusComment(id) {
+ const element = this.#idsToElements.get(id);
+ if (!element) {
+ return;
+ }
+ this.#sidebar.scrollTop = element.offsetTop - this.#sidebar.offsetTop;
+ for (const el of this.#commentsList.children) {
+ el.classList.toggle("selected", el === element);
+ }
+ }
+ updateComment(annotation) {
+ if (!this.#idsToElements) {
+ return;
+ }
+ const {
+ id,
+ creationDate,
+ modificationDate,
+ richText,
+ contentsObj,
+ popupRef
+ } = annotation;
+ if (!popupRef || !richText && !contentsObj?.str) {
+ this.#removeComment(id);
+ }
+ const element = this.#idsToElements.get(id);
+ if (!element) {
+ return;
+ }
+ const prevAnnotation = this.#elementsToAnnotations.get(element);
+ let index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, prevAnnotation) >= 0);
+ if (index >= this.#annotations.length) {
+ return;
+ }
+ this.#setDate(element.firstChild, modificationDate || creationDate);
+ this.#setText(element.lastChild, richText, contentsObj);
+ this.#annotations.splice(index, 1);
+ index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, annotation) >= 0);
+ this.#annotations.splice(index, 0, annotation);
+ if (index >= this.#commentsList.children.length) {
+ this.#commentsList.append(element);
+ } else {
+ this.#commentsList.insertBefore(element, this.#commentsList.children[index]);
+ }
+ }
+ #removeComment(id) {
+ const element = this.#idsToElements?.get(id);
+ if (!element) {
+ return;
+ }
+ const annotation = this.#elementsToAnnotations.get(element);
+ const index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, annotation) >= 0);
+ if (index >= this.#annotations.length) {
+ return;
+ }
+ this.#annotations.splice(index, 1);
+ element.remove();
+ this.#idsToElements.delete(id);
+ this.#setCommentsCount();
+ }
+ #removeAll() {
+ this.#commentsList.replaceChildren();
+ this.#elementsToAnnotations = new WeakMap();
+ this.#idsToElements.clear();
+ this.#annotations.length = 0;
+ this.#setCommentsCount();
+ }
+ selectComment(element, id = null) {
+ if (!this.#idsToElements) {
+ return;
+ }
+ const hasNoElement = !element;
+ element ||= this.#idsToElements.get(id);
+ for (const el of this.#commentsList.children) {
+ el.classList.toggle("selected", el === element);
+ }
+ if (hasNoElement) {
+ element?.scrollIntoView({
+ behavior: "instant",
+ block: "center"
+ });
+ }
+ }
+ addComment(annotation) {
+ if (this.#idsToElements?.has(annotation.id)) {
+ return;
+ }
+ const {
+ popupRef,
+ contentsObj
+ } = annotation;
+ if (!popupRef || !contentsObj?.str) {
+ return;
+ }
+ const commentItem = this.#createCommentElement(annotation);
+ if (this.#annotations.length === 0) {
+ this.#commentsList.replaceChildren(commentItem);
+ this.#annotations.push(annotation);
+ this.#setCommentsCount();
+ return;
+ }
+ const index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, annotation) >= 0);
+ this.#annotations.splice(index, 0, annotation);
+ if (index >= this.#commentsList.children.length) {
+ this.#commentsList.append(commentItem);
+ } else {
+ this.#commentsList.insertBefore(commentItem, this.#commentsList.children[index]);
+ }
+ this.#setCommentsCount();
+ }
+ #setCommentsCount(container = this.#commentsList) {
+ const count = this.#idsToElements.size;
+ this.#sidebarTitle.setAttribute("data-l10n-args", JSON.stringify({
+ count
+ }));
+ this.#commentCount.textContent = count;
+ if (count === 0) {
+ container.append(this.#createZeroCommentElement());
+ }
+ }
+ #createZeroCommentElement() {
+ const commentItem = document.createElement("li");
+ commentItem.classList.add("sidebarComment", "noComments");
+ const textDiv = document.createElement("div");
+ textDiv.className = "sidebarCommentText";
+ textDiv.setAttribute("data-l10n-id", "pdfjs-editor-comments-sidebar-no-comments1");
+ commentItem.append(textDiv);
+ if (this.#learnMoreUrl) {
+ const a = document.createElement("a");
+ a.setAttribute("data-l10n-id", "pdfjs-editor-comments-sidebar-no-comments-link");
+ a.href = this.#learnMoreUrl;
+ a.target = "_blank";
+ a.rel = "noopener noreferrer";
+ commentItem.append(a);
+ }
+ return commentItem;
+ }
+ #setDate(element, date) {
+ date = PDFDateString.toDateObject(date);
+ element.dateTime = date.toISOString();
+ element.textContent = this.#dateFormat.format(date);
+ }
+ #setText(element, richText, contentsObj) {
+ element.replaceChildren();
+ const html = richText?.str && (!contentsObj?.str || richText.str === contentsObj.str) ? richText.html : contentsObj?.str;
+ renderRichText({
+ html,
+ dir: contentsObj?.dir || "auto",
+ className: "richText"
+ }, element);
+ }
+ #createCommentElement(annotation) {
+ const {
+ id,
+ creationDate,
+ modificationDate,
+ richText,
+ contentsObj,
+ color,
+ opacity
+ } = annotation;
+ const commentItem = document.createElement("li");
+ commentItem.role = "button";
+ commentItem.className = "sidebarComment";
+ commentItem.tabIndex = -1;
+ commentItem.style.backgroundColor = color && CommentManager._makeCommentColor(color, opacity) || "";
+ const dateDiv = document.createElement("time");
+ this.#setDate(dateDiv, modificationDate || creationDate);
+ const textDiv = document.createElement("div");
+ textDiv.className = "sidebarCommentText";
+ this.#setText(textDiv, richText, contentsObj);
+ commentItem.append(dateDiv, textDiv);
+ commentItem.addEventListener("click", this.#boundCommentClick);
+ commentItem.addEventListener("keydown", this.#boundCommentKeydown);
+ this.#elementsToAnnotations.set(commentItem, annotation);
+ this.#idsToElements.set(id, commentItem);
+ return commentItem;
+ }
+ async #commentClick({
+ currentTarget
+ }) {
+ if (currentTarget.classList.contains("selected")) {
+ currentTarget.classList.remove("selected");
+ this.#popup._hide();
+ return;
+ }
+ const annotation = this.#elementsToAnnotations.get(currentTarget);
+ if (!annotation) {
+ return;
+ }
+ this.#popup._hide();
+ const {
+ id,
+ pageIndex,
+ rect
+ } = annotation;
+ const pageNumber = pageIndex + 1;
+ const pageVisiblePromise = this.#uiManager?.waitForEditorsRendered(pageNumber);
+ this.#linkService?.goToXY(pageNumber, rect[0], rect[3], {
+ center: "both"
+ });
+ this.selectComment(currentTarget);
+ await pageVisiblePromise;
+ this.#uiManager?.selectComment(pageIndex, id);
+ }
+ #commentKeydown(e) {
+ const {
+ key,
+ currentTarget
+ } = e;
+ switch (key) {
+ case "ArrowDown":
+ (currentTarget.nextElementSibling || this.#commentsList.firstElementChild).focus();
+ stopEvent(e);
+ break;
+ case "ArrowUp":
+ (currentTarget.previousElementSibling || this.#commentsList.lastElementChild).focus();
+ stopEvent(e);
+ break;
+ case "Home":
+ this.#commentsList.firstElementChild.focus();
+ stopEvent(e);
+ break;
+ case "End":
+ this.#commentsList.lastElementChild.focus();
+ stopEvent(e);
+ break;
+ case "Enter":
+ case " ":
+ this.#commentClick(e);
+ stopEvent(e);
+ break;
+ case "ShiftTab":
+ this.#closeButton.focus();
+ stopEvent(e);
+ break;
+ }
+ }
+ #sortComments(a, b) {
+ const dateA = PDFDateString.toDateObject(a.modificationDate || a.creationDate);
+ const dateB = PDFDateString.toDateObject(b.modificationDate || b.creationDate);
+ if (dateA !== dateB) {
+ if (dateA !== null && dateB !== null) {
+ return dateB - dateA;
+ }
+ return dateA !== null ? -1 : 1;
+ }
+ if (a.pageIndex !== b.pageIndex) {
+ return a.pageIndex - b.pageIndex;
+ }
+ if (a.rect[3] !== b.rect[3]) {
+ return b.rect[3] - a.rect[3];
+ }
+ if (a.rect[0] !== b.rect[0]) {
+ return a.rect[0] - b.rect[0];
+ }
+ if (a.rect[1] !== b.rect[1]) {
+ return b.rect[1] - a.rect[1];
+ }
+ if (a.rect[2] !== b.rect[2]) {
+ return a.rect[2] - b.rect[2];
+ }
+ return a.id.localeCompare(b.id);
+ }
+}
+class CommentDialog {
+ #dialog;
+ #editor;
+ #overlayManager;
+ #previousText = "";
+ #commentText = "";
+ #textInput;
+ #title;
+ #saveButton;
+ #uiManager;
+ #prevDragX = 0;
+ #prevDragY = 0;
+ #dialogX = 0;
+ #dialogY = 0;
+ #isLTR;
+ #eventBus;
+ constructor({
+ dialog,
+ toolbar,
+ title,
+ textInput,
+ cancelButton,
+ saveButton
+ }, overlayManager, eventBus, ltr) {
+ this.#dialog = dialog;
+ this.#textInput = textInput;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ this.#saveButton = saveButton;
+ this.#title = title;
+ this.#isLTR = ltr;
+ const finishBound = this.#finish.bind(this);
+ dialog.addEventListener("close", finishBound);
+ dialog.addEventListener("contextmenu", e => {
+ if (e.target !== this.#textInput) {
+ e.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", finishBound);
+ saveButton.addEventListener("click", this.#save.bind(this));
+ textInput.addEventListener("input", () => {
+ saveButton.disabled = textInput.value === this.#previousText;
+ });
+ let pointerMoveAC;
+ const cancelDrag = () => {
+ dialog.classList.remove("dragging");
+ pointerMoveAC?.abort();
+ pointerMoveAC = null;
+ };
+ toolbar.addEventListener("pointerdown", e => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ return;
+ }
+ const {
+ clientX,
+ clientY
+ } = e;
+ stopEvent(e);
+ this.#prevDragX = clientX;
+ this.#prevDragY = clientY;
+ pointerMoveAC = new AbortController();
+ const {
+ signal
+ } = pointerMoveAC;
+ const {
+ innerHeight,
+ innerWidth
+ } = window;
+ dialog.classList.add("dragging");
+ window.addEventListener("pointermove", ev => {
+ if (!pointerMoveAC) {
+ return;
+ }
+ const {
+ clientX: x,
+ clientY: y
+ } = ev;
+ this.#setPosition(this.#dialogX + (x - this.#prevDragX) / innerWidth, this.#dialogY + (y - this.#prevDragY) / innerHeight);
+ this.#prevDragX = x;
+ this.#prevDragY = y;
+ stopEvent(ev);
+ }, {
+ signal
+ });
+ window.addEventListener("blur", cancelDrag, {
+ signal
+ });
+ window.addEventListener("pointerup", ev => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ stopEvent(ev);
+ }
+ }, {
+ signal
+ });
+ });
+ overlayManager.register(dialog);
+ }
+ async open(uiManager, editor, posX, posY, options) {
+ if (editor) {
+ this.#uiManager = uiManager;
+ this.#editor = editor;
+ }
+ const {
+ contentsObj: {
+ str
+ },
+ color,
+ opacity
+ } = editor.getData();
+ const {
+ style: dialogStyle
+ } = this.#dialog;
+ if (color) {
+ dialogStyle.backgroundColor = CommentManager._makeCommentColor(color, opacity);
+ dialogStyle.borderColor = Util.makeHexColor(...color);
+ } else {
+ dialogStyle.backgroundColor = dialogStyle.borderColor = "";
+ }
+ this.#commentText = str || "";
+ const textInput = this.#textInput;
+ textInput.value = this.#previousText = this.#commentText;
+ if (str) {
+ this.#title.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-title-when-editing");
+ this.#saveButton.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-save-button-when-editing");
+ } else {
+ this.#title.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-title-when-adding");
+ this.#saveButton.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-save-button-when-adding");
+ }
+ if (options?.height) {
+ textInput.style.height = `${options.height}px`;
+ }
+ this.#uiManager?.removeEditListeners();
+ this.#saveButton.disabled = true;
+ const parentDimensions = options?.parentDimensions;
+ const {
+ innerHeight,
+ innerWidth
+ } = window;
+ if (editor.hasDefaultPopupPosition()) {
+ const {
+ dialogWidth,
+ dialogHeight
+ } = this._dialogDimensions;
+ if (parentDimensions) {
+ if (this.#isLTR && posX + dialogWidth > Math.min(parentDimensions.x + parentDimensions.width, innerWidth)) {
+ const buttonWidth = this.#editor.commentButtonWidth;
+ posX -= dialogWidth - buttonWidth * parentDimensions.width;
+ } else if (!this.#isLTR) {
+ const buttonWidth = this.#editor.commentButtonWidth * parentDimensions.width;
+ if (posX - dialogWidth < Math.max(0, parentDimensions.x)) {
+ posX = Math.max(0, posX);
+ } else {
+ posX -= dialogWidth - buttonWidth;
+ }
+ }
+ }
+ const height = Math.max(dialogHeight, options?.height || 0);
+ if (posY + height > innerHeight) {
+ posY = innerHeight - height;
+ }
+ if (posY < 0) {
+ posY = 0;
+ }
+ }
+ posX = MathClamp(posX / innerWidth, 0, 1);
+ posY = MathClamp(posY / innerHeight, 0, 1);
+ this.#setPosition(posX, posY);
+ await this.#overlayManager.open(this.#dialog);
+ textInput.focus();
+ }
+ async #save() {
+ this.#editor.comment = this.#textInput.value;
+ this.#finish();
+ }
+ get _dialogDimensions() {
+ const dialog = this.#dialog;
+ const {
+ style
+ } = dialog;
+ style.opacity = "0";
+ style.display = "block";
+ const {
+ width,
+ height
+ } = dialog.getBoundingClientRect();
+ style.opacity = style.display = "";
+ return shadow(this, "_dialogDimensions", {
+ dialogWidth: width,
+ dialogHeight: height
+ });
+ }
+ #setPosition(x, y) {
+ this.#dialogX = x;
+ this.#dialogY = y;
+ const {
+ style
+ } = this.#dialog;
+ style.left = `${100 * x}%`;
+ style.top = `${100 * y}%`;
+ }
+ #finish() {
+ if (!this.#editor) {
+ return;
+ }
+ const edited = this.#textInput.value !== this.#commentText;
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "comment",
+ data: {
+ edited
+ }
+ }
+ });
+ this.#editor?.focusCommentButton();
+ this.#editor = null;
+ this.#textInput.value = this.#previousText = this.#commentText = "";
+ this.#overlayManager.closeIfActive(this.#dialog);
+ this.#textInput.style.height = "";
+ this.#uiManager?.addEditListeners();
+ this.#uiManager = null;
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#editor = null;
+ this.#finish();
+ }
+}
+class CommentPopup {
+ #buttonsContainer = null;
+ #eventBus;
+ #commentDialog;
+ #dateFormat;
+ #editor = null;
+ #isLTR;
+ #container = null;
+ #text = null;
+ #time = null;
+ #prevDragX = 0;
+ #prevDragY = 0;
+ #posX = 0;
+ #posY = 0;
+ #previousFocusedElement = null;
+ #selected = false;
+ #visible = false;
+ constructor(eventBus, dateFormat, ltr, commentDialog) {
+ this.#eventBus = eventBus;
+ this.#dateFormat = dateFormat;
+ this.#isLTR = ltr;
+ this.#commentDialog = commentDialog;
+ this.sidebar = null;
+ }
+ get _popupWidth() {
+ const container = this.#createPopup();
+ const {
+ style
+ } = container;
+ style.opacity = "0";
+ style.display = "block";
+ document.body.append(container);
+ const width = container.getBoundingClientRect().width;
+ container.remove();
+ style.opacity = style.display = "";
+ return shadow(this, "_popupWidth", width);
+ }
+ #createPopup() {
+ if (this.#container) {
+ return this.#container;
+ }
+ const container = this.#container = document.createElement("div");
+ container.className = "commentPopup";
+ container.id = "commentPopup";
+ container.tabIndex = -1;
+ container.role = "dialog";
+ container.ariaModal = "false";
+ container.addEventListener("contextmenu", noContextMenu);
+ container.addEventListener("keydown", e => {
+ if (e.key === "Escape") {
+ this.toggle(this.#editor, true, false);
+ this.#previousFocusedElement?.focus();
+ stopEvent(e);
+ }
+ });
+ container.addEventListener("click", () => {
+ container.focus();
+ });
+ const top = document.createElement("div");
+ top.className = "commentPopupTop";
+ const time = this.#time = document.createElement("time");
+ time.className = "commentPopupTime";
+ const buttons = this.#buttonsContainer = document.createElement("div");
+ buttons.className = "commentPopupButtons";
+ const edit = document.createElement("button");
+ edit.classList.add("commentPopupEdit", "toolbarButton");
+ edit.tabIndex = 0;
+ edit.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-popup-button");
+ edit.ariaHasPopup = "dialog";
+ edit.ariaControlsElements = [this.#commentDialog];
+ const editLabel = document.createElement("span");
+ editLabel.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-popup-button-label");
+ edit.append(editLabel);
+ edit.addEventListener("click", () => {
+ const editor = this.#editor;
+ const height = parseFloat(getComputedStyle(this.#text).height);
+ this.toggle(editor, true, false);
+ editor.editComment({
+ height
+ });
+ });
+ edit.addEventListener("contextmenu", noContextMenu);
+ const del = document.createElement("button");
+ del.classList.add("commentPopupDelete", "toolbarButton");
+ del.tabIndex = 0;
+ del.setAttribute("data-l10n-id", "pdfjs-editor-delete-comment-popup-button");
+ const delLabel = document.createElement("span");
+ delLabel.setAttribute("data-l10n-id", "pdfjs-editor-delete-comment-popup-button-label");
+ del.append(delLabel);
+ del.addEventListener("click", () => {
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "comment",
+ data: {
+ deleted: true
+ }
+ }
+ });
+ this.#editor.comment = null;
+ this.destroy();
+ });
+ del.addEventListener("contextmenu", noContextMenu);
+ buttons.append(edit, del);
+ top.append(time, buttons);
+ const separator = document.createElement("hr");
+ const text = this.#text = document.createElement("div");
+ text.className = "commentPopupText";
+ container.append(top, separator, text);
+ let pointerMoveAC;
+ const cancelDrag = () => {
+ container.classList.remove("dragging");
+ pointerMoveAC?.abort();
+ pointerMoveAC = null;
+ };
+ top.addEventListener("pointerdown", e => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ return;
+ }
+ const {
+ target,
+ clientX,
+ clientY
+ } = e;
+ if (buttons.contains(target)) {
+ return;
+ }
+ stopEvent(e);
+ const {
+ width: parentWidth,
+ height: parentHeight
+ } = this.#editor.parentBoundingClientRect;
+ this.#prevDragX = clientX;
+ this.#prevDragY = clientY;
+ pointerMoveAC = new AbortController();
+ const {
+ signal
+ } = pointerMoveAC;
+ container.classList.add("dragging");
+ window.addEventListener("pointermove", ev => {
+ if (!pointerMoveAC) {
+ return;
+ }
+ const {
+ clientX: x,
+ clientY: y
+ } = ev;
+ this.#setPosition(this.#posX + (x - this.#prevDragX) / parentWidth, this.#posY + (y - this.#prevDragY) / parentHeight, false);
+ this.#prevDragX = x;
+ this.#prevDragY = y;
+ stopEvent(ev);
+ }, {
+ signal
+ });
+ window.addEventListener("blur", cancelDrag, {
+ signal
+ });
+ window.addEventListener("pointerup", ev => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ stopEvent(ev);
+ }
+ }, {
+ signal
+ });
+ });
+ return container;
+ }
+ updateColor(editor) {
+ if (this.#editor !== editor || !this.#visible) {
+ return;
+ }
+ const {
+ color,
+ opacity
+ } = editor.getData();
+ this.#container.style.backgroundColor = color && CommentManager._makeCommentColor(color, opacity) || "";
+ }
+ _hide(editor) {
+ const container = this.#createPopup();
+ container.classList.toggle("hidden", true);
+ container.classList.toggle("selected", false);
+ (editor || this.#editor)?.setCommentButtonStates({
+ selected: false,
+ hasPopup: false
+ });
+ this.#editor = null;
+ this.#selected = false;
+ this.#visible = false;
+ this.#text.replaceChildren();
+ this.sidebar.selectComment(null);
+ }
+ toggle(editor, isSelected, visibility = undefined, isEditable = true) {
+ if (!editor) {
+ this.destroy();
+ return;
+ }
+ if (isSelected) {
+ visibility ??= this.#editor === editor ? !this.#selected || !this.#visible : true;
+ } else {
+ if (this.#selected) {
+ return;
+ }
+ visibility ??= !this.#visible;
+ }
+ if (!visibility) {
+ this._hide(editor);
+ return;
+ }
+ this.#visible = true;
+ if (this.#editor !== editor) {
+ this.#editor?.setCommentButtonStates({
+ selected: false,
+ hasPopup: false
+ });
+ }
+ const container = this.#createPopup();
+ this.#buttonsContainer.classList.toggle("hidden", !isEditable);
+ container.classList.toggle("hidden", false);
+ container.classList.toggle("selected", isSelected);
+ this.#selected = isSelected;
+ this.#editor = editor;
+ editor.setCommentButtonStates({
+ selected: isSelected,
+ hasPopup: true
+ });
+ const {
+ contentsObj,
+ richText,
+ creationDate,
+ modificationDate,
+ color,
+ opacity
+ } = editor.getData();
+ container.style.backgroundColor = color && CommentManager._makeCommentColor(color, opacity) || "";
+ this.#text.replaceChildren();
+ const html = richText?.str && (!contentsObj?.str || richText.str === contentsObj.str) ? richText.html : contentsObj?.str;
+ if (html) {
+ renderRichText({
+ html,
+ dir: contentsObj?.dir || "auto",
+ className: "richText"
+ }, this.#text);
+ }
+ this.#time.textContent = this.#dateFormat.format(PDFDateString.toDateObject(modificationDate || creationDate));
+ this.#setPosition(...editor.commentPopupPosition, editor.hasDefaultPopupPosition());
+ editor.elementBeforePopup.after(container);
+ container.addEventListener("focus", ({
+ relatedTarget
+ }) => {
+ this.#previousFocusedElement = relatedTarget;
+ }, {
+ once: true
+ });
+ if (isSelected) {
+ setTimeout(() => container.focus(), 0);
+ }
+ }
+ #setPosition(x, y, correctPosition) {
+ if (!correctPosition) {
+ this.#editor.commentPopupPosition = [x, y];
+ } else {
+ const widthRatio = this._popupWidth / this.#editor.parentBoundingClientRect.width;
+ if (this.#isLTR && x + widthRatio > 1 || !this.#isLTR && x - widthRatio >= 0) {
+ const buttonWidth = this.#editor.commentButtonWidth;
+ x -= widthRatio - buttonWidth;
+ }
+ }
+ this.#posX = x;
+ this.#posY = y;
+ const {
+ style
+ } = this.#container;
+ style.left = `${100 * x}%`;
+ style.top = `${100 * y}%`;
+ }
+ destroy() {
+ this._hide();
+ this.#container?.remove();
+ this.#container = this.#text = this.#time = null;
+ this.#prevDragX = this.#prevDragY = Infinity;
+ this.#posX = this.#posY = 0;
+ this.#previousFocusedElement = null;
+ }
+}
+
+;// ./web/download_manager.js
+
+function download(blobUrl, filename) {
+ const a = document.createElement("a");
+ if (!a.click) {
+ throw new Error('DownloadManager: "a.click()" is not supported.');
+ }
+ a.href = blobUrl;
+ a.target = "_parent";
+ if ("download" in a) {
+ a.download = filename;
+ }
+ (document.body || document.documentElement).append(a);
+ a.click();
+ a.remove();
+}
+class DownloadManager {
+ #openBlobUrls = new WeakMap();
+ downloadData(data, filename, contentType) {
+ const blobUrl = URL.createObjectURL(new Blob([data], {
+ type: contentType
+ }));
+ download(blobUrl, filename);
+ }
+ openOrDownloadData(data, filename, dest = null) {
+ const isPdfData = isPdfFile(filename);
+ const contentType = isPdfData ? "application/pdf" : "";
+ if (isPdfData) {
+ let blobUrl = this.#openBlobUrls.get(data);
+ if (!blobUrl) {
+ blobUrl = URL.createObjectURL(new Blob([data], {
+ type: contentType
+ }));
+ this.#openBlobUrls.set(data, blobUrl);
+ }
+ let viewerUrl;
+ viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename);
+ if (dest) {
+ viewerUrl += `#${escape(dest)}`;
+ }
+ try {
+ window.open(viewerUrl);
+ return true;
+ } catch (ex) {
+ console.error("openOrDownloadData:", ex);
+ URL.revokeObjectURL(blobUrl);
+ this.#openBlobUrls.delete(data);
+ }
+ }
+ this.downloadData(data, filename, contentType);
+ return false;
+ }
+ download(data, url, filename) {
+ let blobUrl;
+ if (data) {
+ blobUrl = URL.createObjectURL(new Blob([data], {
+ type: "application/pdf"
+ }));
+ } else {
+ if (!createValidAbsoluteUrl(url, "http://example.com")) {
+ console.error(`download - not a valid URL: ${url}`);
+ return;
+ }
+ blobUrl = url + "#pdfjs.action=download";
+ }
+ download(blobUrl, filename);
+ }
+}
+
+;// ./web/editor_undo_bar.js
+
+class EditorUndoBar {
+ #closeButton = null;
+ #container;
+ #eventBus = null;
+ #focusTimeout = null;
+ #initController = null;
+ isOpen = false;
+ #message;
+ #showController = null;
+ #undoButton;
+ static #l10nMessages = Object.freeze({
+ highlight: "pdfjs-editor-undo-bar-message-highlight",
+ freetext: "pdfjs-editor-undo-bar-message-freetext",
+ stamp: "pdfjs-editor-undo-bar-message-stamp",
+ ink: "pdfjs-editor-undo-bar-message-ink",
+ signature: "pdfjs-editor-undo-bar-message-signature",
+ _multiple: "pdfjs-editor-undo-bar-message-multiple"
+ });
+ constructor({
+ container,
+ message,
+ undoButton,
+ closeButton
+ }, eventBus) {
+ this.#container = container;
+ this.#message = message;
+ this.#undoButton = undoButton;
+ this.#closeButton = closeButton;
+ this.#eventBus = eventBus;
+ }
+ destroy() {
+ this.#initController?.abort();
+ this.#initController = null;
+ this.hide();
+ }
+ show(undoAction, messageData) {
+ if (!this.#initController) {
+ this.#initController = new AbortController();
+ const opts = {
+ signal: this.#initController.signal
+ };
+ const boundHide = this.hide.bind(this);
+ this.#container.addEventListener("contextmenu", noContextMenu, opts);
+ this.#closeButton.addEventListener("click", boundHide, opts);
+ this.#eventBus._on("beforeprint", boundHide, opts);
+ this.#eventBus._on("download", boundHide, opts);
+ }
+ this.hide();
+ if (typeof messageData === "string") {
+ this.#message.setAttribute("data-l10n-id", EditorUndoBar.#l10nMessages[messageData]);
+ } else {
+ this.#message.setAttribute("data-l10n-id", EditorUndoBar.#l10nMessages._multiple);
+ this.#message.setAttribute("data-l10n-args", JSON.stringify({
+ count: messageData
+ }));
+ }
+ this.isOpen = true;
+ this.#container.hidden = false;
+ this.#showController = new AbortController();
+ this.#undoButton.addEventListener("click", () => {
+ undoAction();
+ this.hide();
+ }, {
+ signal: this.#showController.signal
+ });
+ this.#focusTimeout = setTimeout(() => {
+ this.#container.focus();
+ this.#focusTimeout = null;
+ }, 100);
+ }
+ hide() {
+ if (!this.isOpen) {
+ return;
+ }
+ this.isOpen = false;
+ this.#container.hidden = true;
+ this.#showController?.abort();
+ this.#showController = null;
+ if (this.#focusTimeout) {
+ clearTimeout(this.#focusTimeout);
+ this.#focusTimeout = null;
+ }
+ }
+}
+
+;// ./web/overlay_manager.js
+class OverlayManager {
+ #overlays = new WeakMap();
+ #active = null;
+ get active() {
+ return this.#active;
+ }
+ async register(dialog, canForceClose = false) {
+ if (typeof dialog !== "object") {
+ throw new Error("Not enough parameters.");
+ } else if (this.#overlays.has(dialog)) {
+ throw new Error("The overlay is already registered.");
+ }
+ this.#overlays.set(dialog, {
+ canForceClose
+ });
+ dialog.addEventListener("cancel", ({
+ target
+ }) => {
+ if (this.#active === target) {
+ this.#active = null;
+ }
+ });
+ }
+ async open(dialog) {
+ if (!this.#overlays.has(dialog)) {
+ throw new Error("The overlay does not exist.");
+ } else if (this.#active) {
+ if (this.#active === dialog) {
+ throw new Error("The overlay is already active.");
+ } else if (this.#overlays.get(dialog).canForceClose) {
+ await this.close();
+ } else {
+ throw new Error("Another overlay is currently active.");
+ }
+ }
+ this.#active = dialog;
+ dialog.showModal();
+ }
+ async close(dialog = this.#active) {
+ if (!this.#overlays.has(dialog)) {
+ throw new Error("The overlay does not exist.");
+ } else if (!this.#active) {
+ throw new Error("The overlay is currently not active.");
+ } else if (this.#active !== dialog) {
+ throw new Error("Another overlay is currently active.");
+ }
+ dialog.close();
+ this.#active = null;
+ }
+ async closeIfActive(dialog) {
+ if (this.#active === dialog) {
+ await this.close(dialog);
+ }
+ }
+}
+
+;// ./web/password_prompt.js
+
+class PasswordPrompt {
+ #activeCapability = null;
+ #updateCallback = null;
+ #reason = null;
+ constructor(options, overlayManager, isViewerEmbedded = false) {
+ this.dialog = options.dialog;
+ this.label = options.label;
+ this.input = options.input;
+ this.submitButton = options.submitButton;
+ this.cancelButton = options.cancelButton;
+ this.overlayManager = overlayManager;
+ this._isViewerEmbedded = isViewerEmbedded;
+ this.submitButton.addEventListener("click", this.#verify.bind(this));
+ this.cancelButton.addEventListener("click", this.close.bind(this));
+ this.input.addEventListener("keydown", e => {
+ if (e.keyCode === 13) {
+ this.#verify();
+ }
+ });
+ this.overlayManager.register(this.dialog, true);
+ this.dialog.addEventListener("close", this.#cancel.bind(this));
+ }
+ async open() {
+ await this.#activeCapability?.promise;
+ this.#activeCapability = Promise.withResolvers();
+ try {
+ await this.overlayManager.open(this.dialog);
+ } catch (ex) {
+ this.#activeCapability.resolve();
+ throw ex;
+ }
+ const passwordIncorrect = this.#reason === PasswordResponses.INCORRECT_PASSWORD;
+ if (!this._isViewerEmbedded || passwordIncorrect) {
+ this.input.focus();
+ }
+ this.label.setAttribute("data-l10n-id", passwordIncorrect ? "pdfjs-password-invalid" : "pdfjs-password-label");
+ }
+ async close() {
+ this.overlayManager.closeIfActive(this.dialog);
+ }
+ #verify() {
+ const password = this.input.value;
+ if (password?.length > 0) {
+ this.#invokeCallback(password);
+ }
+ }
+ #cancel() {
+ this.#invokeCallback(new Error("PasswordPrompt cancelled."));
+ this.#activeCapability.resolve();
+ }
+ #invokeCallback(password) {
+ if (!this.#updateCallback) {
+ return;
+ }
+ this.close();
+ this.input.value = "";
+ this.#updateCallback(password);
+ this.#updateCallback = null;
+ }
+ async setUpdateCallback(updateCallback, reason) {
+ if (this.#activeCapability) {
+ await this.#activeCapability.promise;
+ }
+ this.#updateCallback = updateCallback;
+ this.#reason = reason;
+ }
+}
+
+;// ./web/base_tree_viewer.js
+
+const TREEITEM_OFFSET_TOP = -100;
+const TREEITEM_SELECTED_CLASS = "selected";
+class BaseTreeViewer {
+ constructor(options) {
+ this.container = options.container;
+ this.eventBus = options.eventBus;
+ this._l10n = options.l10n;
+ this.reset();
+ }
+ reset() {
+ this._pdfDocument = null;
+ this._lastToggleIsShow = true;
+ this._currentTreeItem = null;
+ this.container.textContent = "";
+ this.container.classList.remove("treeWithDeepNesting");
+ }
+ _dispatchEvent(count) {
+ throw new Error("Not implemented: _dispatchEvent");
+ }
+ _bindLink(element, params) {
+ throw new Error("Not implemented: _bindLink");
+ }
+ _normalizeTextContent(str) {
+ return removeNullCharacters(str, true) || "\u2013";
+ }
+ _addToggleButton(div, hidden = false) {
+ const toggler = document.createElement("div");
+ toggler.className = "treeItemToggler";
+ if (hidden) {
+ toggler.classList.add("treeItemsHidden");
+ }
+ toggler.onclick = evt => {
+ evt.stopPropagation();
+ toggler.classList.toggle("treeItemsHidden");
+ if (evt.shiftKey) {
+ const shouldShowAll = !toggler.classList.contains("treeItemsHidden");
+ this._toggleTreeItem(div, shouldShowAll);
+ }
+ };
+ div.prepend(toggler);
+ }
+ _toggleTreeItem(root, show = false) {
+ this._l10n.pause();
+ this._lastToggleIsShow = show;
+ for (const toggler of root.querySelectorAll(".treeItemToggler")) {
+ toggler.classList.toggle("treeItemsHidden", !show);
+ }
+ this._l10n.resume();
+ }
+ _toggleAllTreeItems() {
+ this._toggleTreeItem(this.container, !this._lastToggleIsShow);
+ }
+ _finishRendering(fragment, count, hasAnyNesting = false) {
+ if (hasAnyNesting) {
+ this.container.classList.add("treeWithDeepNesting");
+ this._lastToggleIsShow = !fragment.querySelector(".treeItemsHidden");
+ }
+ this._l10n.pause();
+ this.container.append(fragment);
+ this._l10n.resume();
+ this._dispatchEvent(count);
+ }
+ render(params) {
+ throw new Error("Not implemented: render");
+ }
+ _updateCurrentTreeItem(treeItem = null) {
+ if (this._currentTreeItem) {
+ this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS);
+ this._currentTreeItem = null;
+ }
+ if (treeItem) {
+ treeItem.classList.add(TREEITEM_SELECTED_CLASS);
+ this._currentTreeItem = treeItem;
+ }
+ }
+ _scrollToCurrentTreeItem(treeItem) {
+ if (!treeItem) {
+ return;
+ }
+ this._l10n.pause();
+ let currentNode = treeItem.parentNode;
+ while (currentNode && currentNode !== this.container) {
+ if (currentNode.classList.contains("treeItem")) {
+ const toggler = currentNode.firstElementChild;
+ toggler?.classList.remove("treeItemsHidden");
+ }
+ currentNode = currentNode.parentNode;
+ }
+ this._l10n.resume();
+ this._updateCurrentTreeItem(treeItem);
+ this.container.scrollTo(treeItem.offsetLeft, treeItem.offsetTop + TREEITEM_OFFSET_TOP);
+ }
+}
+
+;// ./web/pdf_attachment_viewer.js
+
+
+class PDFAttachmentViewer extends BaseTreeViewer {
+ constructor(options) {
+ super(options);
+ this.downloadManager = options.downloadManager;
+ this.eventBus._on("fileattachmentannotation", this.#appendAttachment.bind(this));
+ }
+ reset(keepRenderedCapability = false) {
+ super.reset();
+ this._attachments = null;
+ if (!keepRenderedCapability) {
+ this._renderedCapability = Promise.withResolvers();
+ }
+ this._pendingDispatchEvent = false;
+ }
+ async _dispatchEvent(attachmentsCount) {
+ this._renderedCapability.resolve();
+ if (attachmentsCount === 0 && !this._pendingDispatchEvent) {
+ this._pendingDispatchEvent = true;
+ await waitOnEventOrTimeout({
+ target: this.eventBus,
+ name: "annotationlayerrendered",
+ delay: 1000
+ });
+ if (!this._pendingDispatchEvent) {
+ return;
+ }
+ }
+ this._pendingDispatchEvent = false;
+ this.eventBus.dispatch("attachmentsloaded", {
+ source: this,
+ attachmentsCount
+ });
+ }
+ _bindLink(element, {
+ content,
+ description,
+ filename
+ }) {
+ if (description) {
+ element.title = description;
+ }
+ element.onclick = () => {
+ this.downloadManager.openOrDownloadData(content, filename);
+ return false;
+ };
+ }
+ render({
+ attachments,
+ keepRenderedCapability = false
+ }) {
+ if (this._attachments) {
+ this.reset(keepRenderedCapability);
+ }
+ this._attachments = attachments || null;
+ if (!attachments) {
+ this._dispatchEvent(0);
+ return;
+ }
+ const fragment = document.createDocumentFragment();
+ let attachmentsCount = 0;
+ for (const name in attachments) {
+ const item = attachments[name];
+ const div = document.createElement("div");
+ div.className = "treeItem";
+ const element = document.createElement("a");
+ this._bindLink(element, item);
+ element.textContent = this._normalizeTextContent(item.filename);
+ div.append(element);
+ fragment.append(div);
+ attachmentsCount++;
+ }
+ this._finishRendering(fragment, attachmentsCount);
+ }
+ #appendAttachment(item) {
+ const renderedPromise = this._renderedCapability.promise;
+ renderedPromise.then(() => {
+ if (renderedPromise !== this._renderedCapability.promise) {
+ return;
+ }
+ const attachments = this._attachments || Object.create(null);
+ for (const name in attachments) {
+ if (item.filename === name) {
+ return;
+ }
+ }
+ attachments[item.filename] = item;
+ this.render({
+ attachments,
+ keepRenderedCapability: true
+ });
+ });
+ }
+}
+
+;// ./web/grab_to_pan.js
+
+const CSS_CLASS_GRAB = "grab-to-pan-grab";
+class GrabToPan {
+ #activateAC = null;
+ #mouseDownAC = null;
+ #scrollAC = null;
+ constructor({
+ element
+ }) {
+ this.element = element;
+ this.document = element.ownerDocument;
+ const overlay = this.overlay = document.createElement("div");
+ overlay.className = "grab-to-pan-grabbing";
+ }
+ activate() {
+ if (!this.#activateAC) {
+ this.#activateAC = new AbortController();
+ this.element.addEventListener("mousedown", this.#onMouseDown.bind(this), {
+ capture: true,
+ signal: this.#activateAC.signal
+ });
+ this.element.classList.add(CSS_CLASS_GRAB);
+ }
+ }
+ deactivate() {
+ if (this.#activateAC) {
+ this.#activateAC.abort();
+ this.#activateAC = null;
+ this.#endPan();
+ this.element.classList.remove(CSS_CLASS_GRAB);
+ }
+ }
+ toggle() {
+ if (this.#activateAC) {
+ this.deactivate();
+ } else {
+ this.activate();
+ }
+ }
+ ignoreTarget(node) {
+ return node.matches("a[href], a[href] *, input, textarea, button, button *, select, option");
+ }
+ #onMouseDown(event) {
+ if (event.button !== 0 || this.ignoreTarget(event.target)) {
+ return;
+ }
+ if (event.originalTarget) {
+ try {
+ event.originalTarget.tagName;
+ } catch {
+ return;
+ }
+ }
+ this.scrollLeftStart = this.element.scrollLeft;
+ this.scrollTopStart = this.element.scrollTop;
+ this.clientXStart = event.clientX;
+ this.clientYStart = event.clientY;
+ this.#mouseDownAC = new AbortController();
+ const boundEndPan = this.#endPan.bind(this),
+ mouseOpts = {
+ capture: true,
+ signal: this.#mouseDownAC.signal
+ };
+ this.document.addEventListener("mousemove", this.#onMouseMove.bind(this), mouseOpts);
+ this.document.addEventListener("mouseup", boundEndPan, mouseOpts);
+ this.#scrollAC = new AbortController();
+ this.element.addEventListener("scroll", boundEndPan, {
+ capture: true,
+ signal: this.#scrollAC.signal
+ });
+ stopEvent(event);
+ const focusedElement = document.activeElement;
+ if (focusedElement && !focusedElement.contains(event.target)) {
+ focusedElement.blur();
+ }
+ }
+ #onMouseMove(event) {
+ this.#scrollAC?.abort();
+ this.#scrollAC = null;
+ if (!(event.buttons & 1)) {
+ this.#endPan();
+ return;
+ }
+ const xDiff = event.clientX - this.clientXStart;
+ const yDiff = event.clientY - this.clientYStart;
+ this.element.scrollTo({
+ top: this.scrollTopStart - yDiff,
+ left: this.scrollLeftStart - xDiff,
+ behavior: "instant"
+ });
+ if (!this.overlay.parentNode) {
+ document.body.append(this.overlay);
+ }
+ }
+ #endPan() {
+ this.#mouseDownAC?.abort();
+ this.#mouseDownAC = null;
+ this.#scrollAC?.abort();
+ this.#scrollAC = null;
+ this.overlay.remove();
+ }
+}
+
+;// ./web/pdf_cursor_tools.js
+
+
+
+class PDFCursorTools {
+ #active = CursorTool.SELECT;
+ #prevActive = null;
+ constructor({
+ container,
+ eventBus,
+ cursorToolOnLoad = CursorTool.SELECT
+ }) {
+ this.container = container;
+ this.eventBus = eventBus;
+ this.#addEventListeners();
+ Promise.resolve().then(() => {
+ this.switchTool(cursorToolOnLoad);
+ });
+ }
+ get activeTool() {
+ return this.#active;
+ }
+ switchTool(tool) {
+ if (this.#prevActive !== null) {
+ return;
+ }
+ this.#switchTool(tool);
+ }
+ #switchTool(tool, disabled = false) {
+ if (tool === this.#active) {
+ if (this.#prevActive !== null) {
+ this.eventBus.dispatch("cursortoolchanged", {
+ source: this,
+ tool,
+ disabled
+ });
+ }
+ return;
+ }
+ const disableActiveTool = () => {
+ switch (this.#active) {
+ case CursorTool.SELECT:
+ break;
+ case CursorTool.HAND:
+ this._handTool.deactivate();
+ break;
+ case CursorTool.ZOOM:
+ }
+ };
+ switch (tool) {
+ case CursorTool.SELECT:
+ disableActiveTool();
+ break;
+ case CursorTool.HAND:
+ disableActiveTool();
+ this._handTool.activate();
+ break;
+ case CursorTool.ZOOM:
+ default:
+ console.error(`switchTool: "${tool}" is an unsupported value.`);
+ return;
+ }
+ this.#active = tool;
+ this.eventBus.dispatch("cursortoolchanged", {
+ source: this,
+ tool,
+ disabled
+ });
+ }
+ #addEventListeners() {
+ this.eventBus._on("switchcursortool", evt => {
+ if (!evt.reset) {
+ this.switchTool(evt.tool);
+ } else if (this.#prevActive !== null) {
+ annotationEditorMode = AnnotationEditorType.NONE;
+ presentationModeState = PresentationModeState.NORMAL;
+ enableActive();
+ }
+ });
+ let annotationEditorMode = AnnotationEditorType.NONE,
+ presentationModeState = PresentationModeState.NORMAL;
+ const disableActive = () => {
+ this.#prevActive ??= this.#active;
+ this.#switchTool(CursorTool.SELECT, true);
+ };
+ const enableActive = () => {
+ if (this.#prevActive !== null && annotationEditorMode === AnnotationEditorType.NONE && presentationModeState === PresentationModeState.NORMAL) {
+ this.#switchTool(this.#prevActive);
+ this.#prevActive = null;
+ }
+ };
+ this.eventBus._on("annotationeditormodechanged", ({
+ mode
+ }) => {
+ annotationEditorMode = mode;
+ if (mode === AnnotationEditorType.NONE) {
+ enableActive();
+ } else {
+ disableActive();
+ }
+ });
+ this.eventBus._on("presentationmodechanged", ({
+ state
+ }) => {
+ presentationModeState = state;
+ if (state === PresentationModeState.NORMAL) {
+ enableActive();
+ } else if (state === PresentationModeState.FULLSCREEN) {
+ disableActive();
+ }
+ });
+ }
+ get _handTool() {
+ return shadow(this, "_handTool", new GrabToPan({
+ element: this.container
+ }));
+ }
+}
+
+;// ./web/pdf_document_properties.js
+
+
+const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"];
+const US_PAGE_NAMES = {
+ "8.5x11": "pdfjs-document-properties-page-size-name-letter",
+ "8.5x14": "pdfjs-document-properties-page-size-name-legal"
+};
+const METRIC_PAGE_NAMES = {
+ "297x420": "pdfjs-document-properties-page-size-name-a-three",
+ "210x297": "pdfjs-document-properties-page-size-name-a-four"
+};
+function getPageName(size, isPortrait, pageNames) {
+ const width = isPortrait ? size.width : size.height;
+ const height = isPortrait ? size.height : size.width;
+ return pageNames[`${width}x${height}`];
+}
+class PDFDocumentProperties {
+ #fieldData = null;
+ constructor({
+ dialog,
+ fields,
+ closeButton
+ }, overlayManager, eventBus, l10n, fileNameLookup, titleLookup) {
+ this.dialog = dialog;
+ this.fields = fields;
+ this.overlayManager = overlayManager;
+ this.l10n = l10n;
+ this._fileNameLookup = fileNameLookup;
+ this._titleLookup = titleLookup;
+ this.#reset();
+ closeButton.addEventListener("click", this.close.bind(this));
+ this.overlayManager.register(this.dialog);
+ eventBus._on("pagechanging", evt => {
+ this._currentPageNumber = evt.pageNumber;
+ });
+ eventBus._on("rotationchanging", evt => {
+ this._pagesRotation = evt.pagesRotation;
+ });
+ }
+ async open() {
+ await Promise.all([this.overlayManager.open(this.dialog), this._dataAvailableCapability.promise]);
+ const currentPageNumber = this._currentPageNumber;
+ const pagesRotation = this._pagesRotation;
+ if (this.#fieldData && currentPageNumber === this.#fieldData._currentPageNumber && pagesRotation === this.#fieldData._pagesRotation) {
+ this.#updateUI();
+ return;
+ }
+ const [{
+ info,
+ metadata,
+ contentLength
+ }, pdfPage] = await Promise.all([this.pdfDocument.getMetadata(), this.pdfDocument.getPage(currentPageNumber)]);
+ const [fileName, fileSize, title, creationDate, modificationDate, pageSize, isLinearized] = await Promise.all([this._fileNameLookup(), this.#parseFileSize(contentLength), this._titleLookup(), this.#parseDate(metadata?.get("xmp:createdate"), info.CreationDate), this.#parseDate(metadata?.get("xmp:modifydate"), info.ModDate), this.#parsePageSize(getPageSizeInches(pdfPage), pagesRotation), this.#parseLinearization(info.IsLinearized)]);
+ this.#fieldData = Object.freeze({
+ fileName,
+ fileSize,
+ title,
+ author: metadata?.get("dc:creator")?.join("\n") || info.Author,
+ subject: metadata?.get("dc:subject")?.join("\n") || info.Subject,
+ keywords: metadata?.get("pdf:keywords") || info.Keywords,
+ creationDate,
+ modificationDate,
+ creator: metadata?.get("xmp:creatortool") || info.Creator,
+ producer: metadata?.get("pdf:producer") || info.Producer,
+ version: info.PDFFormatVersion,
+ pageCount: this.pdfDocument.numPages,
+ pageSize,
+ linearized: isLinearized,
+ _currentPageNumber: currentPageNumber,
+ _pagesRotation: pagesRotation
+ });
+ this.#updateUI();
+ const {
+ length
+ } = await this.pdfDocument.getDownloadInfo();
+ if (contentLength === length) {
+ return;
+ }
+ const data = Object.assign(Object.create(null), this.#fieldData);
+ data.fileSize = await this.#parseFileSize(length);
+ this.#fieldData = Object.freeze(data);
+ this.#updateUI();
+ }
+ async close() {
+ this.overlayManager.close(this.dialog);
+ }
+ setDocument(pdfDocument) {
+ if (this.pdfDocument) {
+ this.#reset();
+ this.#updateUI();
+ }
+ if (!pdfDocument) {
+ return;
+ }
+ this.pdfDocument = pdfDocument;
+ this._dataAvailableCapability.resolve();
+ }
+ #reset() {
+ this.pdfDocument = null;
+ this.#fieldData = null;
+ this._dataAvailableCapability = Promise.withResolvers();
+ this._currentPageNumber = 1;
+ this._pagesRotation = 0;
+ }
+ #updateUI() {
+ if (this.#fieldData && this.overlayManager.active !== this.dialog) {
+ return;
+ }
+ for (const id in this.fields) {
+ const content = this.#fieldData?.[id];
+ this.fields[id].textContent = content || content === 0 ? content : "-";
+ }
+ }
+ async #parseFileSize(b = 0) {
+ const kb = b / 1024,
+ mb = kb / 1024;
+ return kb ? this.l10n.get(mb >= 1 ? "pdfjs-document-properties-size-mb" : "pdfjs-document-properties-size-kb", {
+ mb,
+ kb,
+ b
+ }) : undefined;
+ }
+ async #parsePageSize(pageSizeInches, pagesRotation) {
+ if (!pageSizeInches) {
+ return undefined;
+ }
+ if (pagesRotation % 180 !== 0) {
+ pageSizeInches = {
+ width: pageSizeInches.height,
+ height: pageSizeInches.width
+ };
+ }
+ const isPortrait = isPortraitOrientation(pageSizeInches),
+ nonMetric = NON_METRIC_LOCALES.includes(this.l10n.getLanguage());
+ let sizeInches = {
+ width: Math.round(pageSizeInches.width * 100) / 100,
+ height: Math.round(pageSizeInches.height * 100) / 100
+ };
+ let sizeMillimeters = {
+ width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
+ height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
+ };
+ let nameId = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
+ if (!nameId && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
+ const exactMillimeters = {
+ width: pageSizeInches.width * 25.4,
+ height: pageSizeInches.height * 25.4
+ };
+ const intMillimeters = {
+ width: Math.round(sizeMillimeters.width),
+ height: Math.round(sizeMillimeters.height)
+ };
+ if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
+ nameId = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);
+ if (nameId) {
+ sizeInches = {
+ width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
+ height: Math.round(intMillimeters.height / 25.4 * 100) / 100
+ };
+ sizeMillimeters = intMillimeters;
+ }
+ }
+ }
+ const [{
+ width,
+ height
+ }, unit, name, orientation] = await Promise.all([nonMetric ? sizeInches : sizeMillimeters, this.l10n.get(nonMetric ? "pdfjs-document-properties-page-size-unit-inches" : "pdfjs-document-properties-page-size-unit-millimeters"), nameId && this.l10n.get(nameId), this.l10n.get(isPortrait ? "pdfjs-document-properties-page-size-orientation-portrait" : "pdfjs-document-properties-page-size-orientation-landscape")]);
+ return this.l10n.get(name ? "pdfjs-document-properties-page-size-dimension-name-string" : "pdfjs-document-properties-page-size-dimension-string", {
+ width,
+ height,
+ unit,
+ name,
+ orientation
+ });
+ }
+ async #parseDate(metadataDate, infoDate) {
+ const dateObj = Date.parse(metadataDate) || PDFDateString.toDateObject(infoDate);
+ return dateObj ? this.l10n.get("pdfjs-document-properties-date-time-string", {
+ dateObj: dateObj.valueOf()
+ }) : undefined;
+ }
+ #parseLinearization(isLinearized) {
+ return this.l10n.get(isLinearized ? "pdfjs-document-properties-linearized-yes" : "pdfjs-document-properties-linearized-no");
+ }
+}
+
+;// ./web/pdf_find_utils.js
+const CharacterType = {
+ SPACE: 0,
+ ALPHA_LETTER: 1,
+ PUNCT: 2,
+ HAN_LETTER: 3,
+ KATAKANA_LETTER: 4,
+ HIRAGANA_LETTER: 5,
+ HALFWIDTH_KATAKANA_LETTER: 6,
+ THAI_LETTER: 7
+};
+function isAlphabeticalScript(charCode) {
+ return charCode < 0x2e80;
+}
+function isAscii(charCode) {
+ return (charCode & 0xff80) === 0;
+}
+function isAsciiAlpha(charCode) {
+ return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
+}
+function isAsciiDigit(charCode) {
+ return charCode >= 0x30 && charCode <= 0x39;
+}
+function isAsciiSpace(charCode) {
+ return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
+}
+function isHan(charCode) {
+ return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
+}
+function isKatakana(charCode) {
+ return charCode >= 0x30a0 && charCode <= 0x30ff;
+}
+function isHiragana(charCode) {
+ return charCode >= 0x3040 && charCode <= 0x309f;
+}
+function isHalfwidthKatakana(charCode) {
+ return charCode >= 0xff60 && charCode <= 0xff9f;
+}
+function isThai(charCode) {
+ return (charCode & 0xff80) === 0x0e00;
+}
+function getCharacterType(charCode) {
+ if (isAlphabeticalScript(charCode)) {
+ if (isAscii(charCode)) {
+ if (isAsciiSpace(charCode)) {
+ return CharacterType.SPACE;
+ } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
+ return CharacterType.ALPHA_LETTER;
+ }
+ return CharacterType.PUNCT;
+ } else if (isThai(charCode)) {
+ return CharacterType.THAI_LETTER;
+ } else if (charCode === 0xa0) {
+ return CharacterType.SPACE;
+ }
+ return CharacterType.ALPHA_LETTER;
+ }
+ if (isHan(charCode)) {
+ return CharacterType.HAN_LETTER;
+ } else if (isKatakana(charCode)) {
+ return CharacterType.KATAKANA_LETTER;
+ } else if (isHiragana(charCode)) {
+ return CharacterType.HIRAGANA_LETTER;
+ } else if (isHalfwidthKatakana(charCode)) {
+ return CharacterType.HALFWIDTH_KATAKANA_LETTER;
+ }
+ return CharacterType.ALPHA_LETTER;
+}
+let NormalizeWithNFKC;
+function getNormalizeWithNFKC() {
+ NormalizeWithNFKC ||= ` ¨ª¯²-µ¸-º¼-¾IJ-ijĿ-ŀʼnſDŽ-njDZ-dzʰ-ʸ˘-˝ˠ-ˤʹͺ;΄-΅·ϐ-ϖϰ-ϲϴ-ϵϹևٵ-ٸक़-य़ড়-ঢ়য়ਲ਼ਸ਼ਖ਼-ਜ਼ਫ਼ଡ଼-ଢ଼ำຳໜ-ໝ༌གྷཌྷདྷབྷཛྷཀྵჼᴬ-ᴮᴰ-ᴺᴼ-ᵍᵏ-ᵪᵸᶛ-ᶿẚ-ẛάέήίόύώΆ᾽-῁ΈΉ῍-῏ΐΊ῝-῟ΰΎ῭-`ΌΏ´-῾ - ‑‗․-… ″-‴‶-‷‼‾⁇-⁉⁗ ⁰-ⁱ⁴-₎ₐ-ₜ₨℀-℃℅-ℇ℉-ℓℕ-№ℙ-ℝ℠-™ℤΩℨK-ℭℯ-ℱℳ-ℹ℻-⅀ⅅ-ⅉ⅐-ⅿ↉∬-∭∯-∰〈-〉①-⓪⨌⩴-⩶⫝̸ⱼ-ⱽⵯ⺟⻳⼀-⿕ 〶〸-〺゛-゜ゟヿㄱ-ㆎ㆒-㆟㈀-㈞㈠-㉇㉐-㉾㊀-㏿ꚜ-ꚝꝰꟲ-ꟴꟸ-ꟹꭜ-ꭟꭩ豈-嗀塚晴凞-羽蘒諸逸-都飯-舘並-龎ff-stﬓ-ﬗיִײַ-זּטּ-לּמּנּ-סּףּ-פּצּ-ﮱﯓ-ﴽﵐ-ﶏﶒ-ﷇﷰ-﷼︐-︙︰-﹄﹇-﹒﹔-﹦﹨-﹫ﹰ-ﹲﹴﹶ-ﻼ!-하-ᅦᅧ-ᅬᅭ-ᅲᅳ-ᅵ¢-₩`;
+ return NormalizeWithNFKC;
+}
+
+;// ./web/pdf_find_controller.js
+
+
+const FindState = {
+ FOUND: 0,
+ NOT_FOUND: 1,
+ WRAPPED: 2,
+ PENDING: 3
+};
+const FIND_TIMEOUT = 250;
+const MATCH_SCROLL_OFFSET_TOP = -50;
+const CHARACTERS_TO_NORMALIZE = {
+ "\u2010": "-",
+ "\u2018": "'",
+ "\u2019": "'",
+ "\u201A": "'",
+ "\u201B": "'",
+ "\u201C": '"',
+ "\u201D": '"',
+ "\u201E": '"',
+ "\u201F": '"',
+ "\u00BC": "1/4",
+ "\u00BD": "1/2",
+ "\u00BE": "3/4"
+};
+const DIACRITICS_EXCEPTION = new Set([0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d, 0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039, 0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2, 0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed, 0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74]);
+let DIACRITICS_EXCEPTION_STR;
+const DIACRITICS_REG_EXP = /\p{M}+/gu;
+const SPECIAL_CHARS_REG_EXP = /([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu;
+const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u;
+const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u;
+const SYLLABLES_REG_EXP = /[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g;
+const SYLLABLES_LENGTHS = new Map();
+const FIRST_CHAR_SYLLABLES_REG_EXP = "[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]";
+const NFKC_CHARS_TO_NORMALIZE = new Map();
+let noSyllablesRegExp = null;
+let withSyllablesRegExp = null;
+function normalize(text, options = {}) {
+ const syllablePositions = [];
+ let m;
+ while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) {
+ let {
+ index
+ } = m;
+ for (const char of m[0]) {
+ let len = SYLLABLES_LENGTHS.get(char);
+ if (!len) {
+ len = char.normalize("NFD").length;
+ SYLLABLES_LENGTHS.set(char, len);
+ }
+ syllablePositions.push([len, index++]);
+ }
+ }
+ const hasSyllables = syllablePositions.length > 0;
+ const ignoreDashEOL = options.ignoreDashEOL ?? false;
+ let normalizationRegex;
+ if (!hasSyllables && noSyllablesRegExp) {
+ normalizationRegex = noSyllablesRegExp;
+ } else if (hasSyllables && withSyllablesRegExp) {
+ normalizationRegex = withSyllablesRegExp;
+ } else {
+ const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
+ const toNormalizeWithNFKC = getNormalizeWithNFKC();
+ const CJK = "(?:\\p{Ideographic}|[\u3040-\u30FF])";
+ const HKDiacritics = "(?:\u3099|\u309A)";
+ const BrokenWord = `\\p{Ll}-\\n(?=\\p{Ll})|\\p{Lu}-\\n(?=\\p{L})`;
+ const regexps = [`[${replace}]`, `[${toNormalizeWithNFKC}]`, `${HKDiacritics}\\n`, "\\p{M}+(?:-\\n)?", `${BrokenWord}`, "\\S-\\n", `${CJK}\\n`, "\\n", hasSyllables ? FIRST_CHAR_SYLLABLES_REG_EXP : "\\u0000"];
+ normalizationRegex = new RegExp(regexps.map(r => `(${r})`).join("|"), "gum");
+ if (hasSyllables) {
+ withSyllablesRegExp = normalizationRegex;
+ } else {
+ noSyllablesRegExp = normalizationRegex;
+ }
+ }
+ const rawDiacriticsPositions = [];
+ while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) {
+ rawDiacriticsPositions.push([m[0].length, m.index]);
+ }
+ let normalized = text.normalize("NFD");
+ const positions = [0, 0];
+ let rawDiacriticsIndex = 0;
+ let syllableIndex = 0;
+ let shift = 0;
+ let shiftOrigin = 0;
+ let eol = 0;
+ let hasDiacritics = false;
+ normalized = normalized.replace(normalizationRegex, (match, p1, p2, p3, p4, p5, p6, p7, p8, p9, i) => {
+ i -= shiftOrigin;
+ if (p1) {
+ const replacement = CHARACTERS_TO_NORMALIZE[p1];
+ const jj = replacement.length;
+ for (let j = 1; j < jj; j++) {
+ positions.push(i - shift + j, shift - j);
+ }
+ shift -= jj - 1;
+ return replacement;
+ }
+ if (p2) {
+ let replacement = NFKC_CHARS_TO_NORMALIZE.get(p2);
+ if (!replacement) {
+ replacement = p2.normalize("NFKC");
+ NFKC_CHARS_TO_NORMALIZE.set(p2, replacement);
+ }
+ const jj = replacement.length;
+ for (let j = 1; j < jj; j++) {
+ positions.push(i - shift + j, shift - j);
+ }
+ shift -= jj - 1;
+ return replacement;
+ }
+ if (p3) {
+ hasDiacritics = true;
+ if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
+ ++rawDiacriticsIndex;
+ } else {
+ positions.push(i - 1 - shift + 1, shift - 1);
+ shift -= 1;
+ shiftOrigin += 1;
+ }
+ positions.push(i - shift + 1, shift);
+ shiftOrigin += 1;
+ eol += 1;
+ return p3.charAt(0);
+ }
+ if (p4) {
+ const hasTrailingDashEOL = p4.endsWith("\n");
+ const len = hasTrailingDashEOL ? p4.length - 2 : p4.length;
+ hasDiacritics = true;
+ let jj = len;
+ if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
+ jj -= rawDiacriticsPositions[rawDiacriticsIndex][0];
+ ++rawDiacriticsIndex;
+ }
+ for (let j = 1; j <= jj; j++) {
+ positions.push(i - 1 - shift + j, shift - j);
+ }
+ shift -= jj;
+ shiftOrigin += jj;
+ if (hasTrailingDashEOL) {
+ i += len - 1;
+ positions.push(i - shift + 1, 1 + shift);
+ shift += 1;
+ shiftOrigin += 1;
+ eol += 1;
+ return p4.slice(0, len);
+ }
+ return p4;
+ }
+ if (p5) {
+ if (ignoreDashEOL) {
+ shiftOrigin += 1;
+ eol += 1;
+ return p5.slice(0, -1);
+ }
+ const len = p5.length - 2;
+ positions.push(i - shift + len, 1 + shift);
+ shift += 1;
+ shiftOrigin += 1;
+ eol += 1;
+ return p5.slice(0, -2);
+ }
+ if (p6) {
+ shiftOrigin += 1;
+ eol += 1;
+ return p6.slice(0, -1);
+ }
+ if (p7) {
+ const len = p7.length - 1;
+ positions.push(i - shift + len, shift);
+ shiftOrigin += 1;
+ eol += 1;
+ return p7.slice(0, -1);
+ }
+ if (p8) {
+ positions.push(i - shift + 1, shift - 1);
+ shift -= 1;
+ shiftOrigin += 1;
+ eol += 1;
+ return " ";
+ }
+ if (i + eol === syllablePositions[syllableIndex]?.[1]) {
+ const newCharLen = syllablePositions[syllableIndex][0] - 1;
+ ++syllableIndex;
+ for (let j = 1; j <= newCharLen; j++) {
+ positions.push(i - (shift - j), shift - j);
+ }
+ shift -= newCharLen;
+ shiftOrigin += newCharLen;
+ }
+ return p9;
+ });
+ positions.push(normalized.length, shift);
+ const starts = new Uint32Array(positions.length >> 1);
+ const shifts = new Int32Array(positions.length >> 1);
+ for (let i = 0, ii = positions.length; i < ii; i += 2) {
+ starts[i >> 1] = positions[i];
+ shifts[i >> 1] = positions[i + 1];
+ }
+ return [normalized, [starts, shifts], hasDiacritics];
+}
+function getOriginalIndex(diffs, pos, len) {
+ if (!diffs) {
+ return [pos, len];
+ }
+ const [starts, shifts] = diffs;
+ const start = pos;
+ const end = pos + len - 1;
+ let i = binarySearchFirstItem(starts, x => x >= start);
+ if (starts[i] > start) {
+ --i;
+ }
+ let j = binarySearchFirstItem(starts, x => x >= end, i);
+ if (starts[j] > end) {
+ --j;
+ }
+ const oldStart = start + shifts[i];
+ const oldEnd = end + shifts[j];
+ const oldLen = oldEnd + 1 - oldStart;
+ return [oldStart, oldLen];
+}
+class PDFFindController {
+ #state = null;
+ #updateMatchesCountOnProgress = true;
+ #visitedPagesCount = 0;
+ constructor({
+ linkService,
+ eventBus,
+ updateMatchesCountOnProgress = true
+ }) {
+ this._linkService = linkService;
+ this._eventBus = eventBus;
+ this.#updateMatchesCountOnProgress = updateMatchesCountOnProgress;
+ this.onIsPageVisible = null;
+ this.#reset();
+ eventBus._on("find", this.#onFind.bind(this));
+ eventBus._on("findbarclose", this.#onFindBarClose.bind(this));
+ }
+ get highlightMatches() {
+ return this._highlightMatches;
+ }
+ get pageMatches() {
+ return this._pageMatches;
+ }
+ get pageMatchesLength() {
+ return this._pageMatchesLength;
+ }
+ get selected() {
+ return this._selected;
+ }
+ get state() {
+ return this.#state;
+ }
+ setDocument(pdfDocument) {
+ if (this._pdfDocument) {
+ this.#reset();
+ }
+ if (!pdfDocument) {
+ return;
+ }
+ this._pdfDocument = pdfDocument;
+ this._firstPageCapability.resolve();
+ }
+ #onFind(state) {
+ if (!state) {
+ return;
+ }
+ const pdfDocument = this._pdfDocument;
+ const {
+ type
+ } = state;
+ if (this.#state === null || this.#shouldDirtyMatch(state)) {
+ this._dirtyMatch = true;
+ }
+ this.#state = state;
+ if (type !== "highlightallchange") {
+ this.#updateUIState(FindState.PENDING);
+ }
+ this._firstPageCapability.promise.then(() => {
+ if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
+ return;
+ }
+ this.#extractText();
+ const findbarClosed = !this._highlightMatches;
+ const pendingTimeout = !!this._findTimeout;
+ if (this._findTimeout) {
+ clearTimeout(this._findTimeout);
+ this._findTimeout = null;
+ }
+ if (!type) {
+ this._findTimeout = setTimeout(() => {
+ this.#nextMatch();
+ this._findTimeout = null;
+ }, FIND_TIMEOUT);
+ } else if (this._dirtyMatch) {
+ this.#nextMatch();
+ } else if (type === "again") {
+ this.#nextMatch();
+ if (findbarClosed && this.#state.highlightAll) {
+ this.#updateAllPages();
+ }
+ } else if (type === "highlightallchange") {
+ if (pendingTimeout) {
+ this.#nextMatch();
+ } else {
+ this._highlightMatches = true;
+ }
+ this.#updateAllPages();
+ } else {
+ this.#nextMatch();
+ }
+ });
+ }
+ scrollMatchIntoView({
+ element = null,
+ selectedLeft = 0,
+ pageIndex = -1,
+ matchIndex = -1
+ }) {
+ if (!this._scrollMatches || !element) {
+ return;
+ } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
+ return;
+ } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
+ return;
+ }
+ this._scrollMatches = false;
+ const spot = {
+ top: MATCH_SCROLL_OFFSET_TOP,
+ left: selectedLeft
+ };
+ scrollIntoView(element, spot, true);
+ }
+ #reset() {
+ this._highlightMatches = false;
+ this._scrollMatches = false;
+ this._pdfDocument = null;
+ this._pageMatches = [];
+ this._pageMatchesLength = [];
+ this.#visitedPagesCount = 0;
+ this.#state = null;
+ this._selected = {
+ pageIdx: -1,
+ matchIdx: -1
+ };
+ this._offset = {
+ pageIdx: null,
+ matchIdx: null,
+ wrapped: false
+ };
+ this._extractTextPromises = [];
+ this._pageContents = [];
+ this._pageDiffs = [];
+ this._hasDiacritics = [];
+ this._matchesCountTotal = 0;
+ this._pagesToSearch = null;
+ this._pendingFindMatches = new Set();
+ this._resumePageIdx = null;
+ this._dirtyMatch = false;
+ clearTimeout(this._findTimeout);
+ this._findTimeout = null;
+ this._firstPageCapability = Promise.withResolvers();
+ }
+ get #query() {
+ const {
+ query
+ } = this.#state;
+ if (typeof query === "string") {
+ if (query !== this._rawQuery) {
+ this._rawQuery = query;
+ [this._normalizedQuery] = normalize(query);
+ }
+ return this._normalizedQuery;
+ }
+ return (query || []).filter(q => !!q).map(q => normalize(q)[0]);
+ }
+ #shouldDirtyMatch(state) {
+ const newQuery = state.query,
+ prevQuery = this.#state.query;
+ const newType = typeof newQuery,
+ prevType = typeof prevQuery;
+ if (newType !== prevType) {
+ return true;
+ }
+ if (newType === "string") {
+ if (newQuery !== prevQuery) {
+ return true;
+ }
+ } else if (JSON.stringify(newQuery) !== JSON.stringify(prevQuery)) {
+ return true;
+ }
+ switch (state.type) {
+ case "again":
+ const pageNumber = this._selected.pageIdx + 1;
+ const linkService = this._linkService;
+ return pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !(this.onIsPageVisible?.(pageNumber) ?? true);
+ case "highlightallchange":
+ return false;
+ }
+ return true;
+ }
+ #isEntireWord(content, startIdx, length) {
+ let match = content.slice(0, startIdx).match(NOT_DIACRITIC_FROM_END_REG_EXP);
+ if (match) {
+ const first = content.charCodeAt(startIdx);
+ const limit = match[1].charCodeAt(0);
+ if (getCharacterType(first) === getCharacterType(limit)) {
+ return false;
+ }
+ }
+ match = content.slice(startIdx + length).match(NOT_DIACRITIC_FROM_START_REG_EXP);
+ if (match) {
+ const last = content.charCodeAt(startIdx + length - 1);
+ const limit = match[1].charCodeAt(0);
+ if (getCharacterType(last) === getCharacterType(limit)) {
+ return false;
+ }
+ }
+ return true;
+ }
+ #convertToRegExpString(query, hasDiacritics) {
+ const {
+ matchDiacritics
+ } = this.#state;
+ let isUnicode = false;
+ query = query.replaceAll(SPECIAL_CHARS_REG_EXP, (match, p1, p2, p3, p4, p5) => {
+ if (p1) {
+ return `[ ]*\\${p1}[ ]*`;
+ }
+ if (p2) {
+ return `[ ]*${p2}[ ]*`;
+ }
+ if (p3) {
+ return "[ ]+";
+ }
+ if (matchDiacritics) {
+ return p4 || p5;
+ }
+ if (p4) {
+ return DIACRITICS_EXCEPTION.has(p4.charCodeAt(0)) ? p4 : "";
+ }
+ if (hasDiacritics) {
+ isUnicode = true;
+ return `${p5}\\p{M}*`;
+ }
+ return p5;
+ });
+ const trailingSpaces = "[ ]*";
+ if (query.endsWith(trailingSpaces)) {
+ query = query.slice(0, query.length - trailingSpaces.length);
+ }
+ if (matchDiacritics) {
+ if (hasDiacritics) {
+ DIACRITICS_EXCEPTION_STR ||= String.fromCharCode(...DIACRITICS_EXCEPTION);
+ isUnicode = true;
+ query = `${query}(?=[${DIACRITICS_EXCEPTION_STR}]|[^\\p{M}]|$)`;
+ }
+ }
+ return [isUnicode, query];
+ }
+ #calculateMatch(pageIndex) {
+ if (!this.#state) {
+ return;
+ }
+ const query = this.#query;
+ if (query.length === 0) {
+ return;
+ }
+ const pageContent = this._pageContents[pageIndex];
+ const matcherResult = this.match(query, pageContent, pageIndex);
+ const matches = this._pageMatches[pageIndex] = [];
+ const matchesLength = this._pageMatchesLength[pageIndex] = [];
+ const diffs = this._pageDiffs[pageIndex];
+ matcherResult?.forEach(({
+ index,
+ length
+ }) => {
+ const [matchPos, matchLen] = getOriginalIndex(diffs, index, length);
+ if (matchLen) {
+ matches.push(matchPos);
+ matchesLength.push(matchLen);
+ }
+ });
+ if (this.#state.highlightAll) {
+ this.#updatePage(pageIndex);
+ }
+ if (this._resumePageIdx === pageIndex) {
+ this._resumePageIdx = null;
+ this.#nextPageMatch();
+ }
+ const pageMatchesCount = matches.length;
+ this._matchesCountTotal += pageMatchesCount;
+ if (this.#updateMatchesCountOnProgress) {
+ if (pageMatchesCount > 0) {
+ this.#updateUIResultsCount();
+ }
+ } else if (++this.#visitedPagesCount === this._linkService.pagesCount) {
+ this.#updateUIResultsCount();
+ }
+ }
+ match(query, pageContent, pageIndex) {
+ const hasDiacritics = this._hasDiacritics[pageIndex];
+ let isUnicode = false;
+ if (typeof query === "string") {
+ [isUnicode, query] = this.#convertToRegExpString(query, hasDiacritics);
+ } else {
+ query = query.sort().reverse().map(q => {
+ const [isUnicodePart, queryPart] = this.#convertToRegExpString(q, hasDiacritics);
+ isUnicode ||= isUnicodePart;
+ return `(${queryPart})`;
+ }).join("|");
+ }
+ if (!query) {
+ return undefined;
+ }
+ const {
+ caseSensitive,
+ entireWord
+ } = this.#state;
+ const flags = `g${isUnicode ? "u" : ""}${caseSensitive ? "" : "i"}`;
+ query = new RegExp(query, flags);
+ const matches = [];
+ let match;
+ while ((match = query.exec(pageContent)) !== null) {
+ if (entireWord && !this.#isEntireWord(pageContent, match.index, match[0].length)) {
+ continue;
+ }
+ matches.push({
+ index: match.index,
+ length: match[0].length
+ });
+ }
+ return matches;
+ }
+ #extractText() {
+ if (this._extractTextPromises.length > 0) {
+ return;
+ }
+ let deferred = Promise.resolve();
+ const textOptions = {
+ disableNormalization: true
+ };
+ const pdfDoc = this._pdfDocument;
+ for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
+ const {
+ promise,
+ resolve
+ } = Promise.withResolvers();
+ this._extractTextPromises[i] = promise;
+ deferred = deferred.then(async () => {
+ if (pdfDoc !== this._pdfDocument) {
+ resolve();
+ return;
+ }
+ await pdfDoc.getPage(i + 1).then(pdfPage => pdfPage.getTextContent(textOptions)).then(textContent => {
+ const strBuf = [];
+ for (const textItem of textContent.items) {
+ strBuf.push(textItem.str);
+ if (textItem.hasEOL) {
+ strBuf.push("\n");
+ }
+ }
+ [this._pageContents[i], this._pageDiffs[i], this._hasDiacritics[i]] = normalize(strBuf.join(""));
+ resolve();
+ }, reason => {
+ console.error(`Unable to get text content for page ${i + 1}`, reason);
+ this._pageContents[i] = "";
+ this._pageDiffs[i] = null;
+ this._hasDiacritics[i] = false;
+ resolve();
+ });
+ });
+ }
+ }
+ #updatePage(index) {
+ if (this._scrollMatches && this._selected.pageIdx === index) {
+ this._linkService.page = index + 1;
+ }
+ this._eventBus.dispatch("updatetextlayermatches", {
+ source: this,
+ pageIndex: index
+ });
+ }
+ #updateAllPages() {
+ this._eventBus.dispatch("updatetextlayermatches", {
+ source: this,
+ pageIndex: -1
+ });
+ }
+ #nextMatch() {
+ const previous = this.#state.findPrevious;
+ const currentPageIndex = this._linkService.page - 1;
+ const numPages = this._linkService.pagesCount;
+ this._highlightMatches = true;
+ if (this._dirtyMatch) {
+ this._dirtyMatch = false;
+ this._selected.pageIdx = this._selected.matchIdx = -1;
+ this._offset.pageIdx = currentPageIndex;
+ this._offset.matchIdx = null;
+ this._offset.wrapped = false;
+ this._resumePageIdx = null;
+ this._pageMatches.length = 0;
+ this._pageMatchesLength.length = 0;
+ this.#visitedPagesCount = 0;
+ this._matchesCountTotal = 0;
+ this.#updateAllPages();
+ for (let i = 0; i < numPages; i++) {
+ if (this._pendingFindMatches.has(i)) {
+ continue;
+ }
+ this._pendingFindMatches.add(i);
+ this._extractTextPromises[i].then(() => {
+ this._pendingFindMatches.delete(i);
+ this.#calculateMatch(i);
+ });
+ }
+ }
+ const query = this.#query;
+ if (query.length === 0) {
+ this.#updateUIState(FindState.FOUND);
+ return;
+ }
+ if (this._resumePageIdx) {
+ return;
+ }
+ const offset = this._offset;
+ this._pagesToSearch = numPages;
+ if (offset.matchIdx !== null) {
+ const numPageMatches = this._pageMatches[offset.pageIdx].length;
+ if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
+ offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
+ this.#updateMatch(true);
+ return;
+ }
+ this.#advanceOffsetPage(previous);
+ }
+ this.#nextPageMatch();
+ }
+ #matchesReady(matches) {
+ const offset = this._offset;
+ const numMatches = matches.length;
+ const previous = this.#state.findPrevious;
+ if (numMatches) {
+ offset.matchIdx = previous ? numMatches - 1 : 0;
+ this.#updateMatch(true);
+ return true;
+ }
+ this.#advanceOffsetPage(previous);
+ if (offset.wrapped) {
+ offset.matchIdx = null;
+ if (this._pagesToSearch < 0) {
+ this.#updateMatch(false);
+ return true;
+ }
+ }
+ return false;
+ }
+ #nextPageMatch() {
+ if (this._resumePageIdx !== null) {
+ console.error("There can only be one pending page.");
+ }
+ let matches = null;
+ do {
+ const pageIdx = this._offset.pageIdx;
+ matches = this._pageMatches[pageIdx];
+ if (!matches) {
+ this._resumePageIdx = pageIdx;
+ break;
+ }
+ } while (!this.#matchesReady(matches));
+ }
+ #advanceOffsetPage(previous) {
+ const offset = this._offset;
+ const numPages = this._linkService.pagesCount;
+ offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
+ offset.matchIdx = null;
+ this._pagesToSearch--;
+ if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
+ offset.pageIdx = previous ? numPages - 1 : 0;
+ offset.wrapped = true;
+ }
+ }
+ #updateMatch(found = false) {
+ let state = FindState.NOT_FOUND;
+ const wrapped = this._offset.wrapped;
+ this._offset.wrapped = false;
+ if (found) {
+ const previousPage = this._selected.pageIdx;
+ this._selected.pageIdx = this._offset.pageIdx;
+ this._selected.matchIdx = this._offset.matchIdx;
+ state = wrapped ? FindState.WRAPPED : FindState.FOUND;
+ if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
+ this.#updatePage(previousPage);
+ }
+ }
+ this.#updateUIState(state, this.#state.findPrevious);
+ if (this._selected.pageIdx !== -1) {
+ this._scrollMatches = true;
+ this.#updatePage(this._selected.pageIdx);
+ }
+ }
+ #onFindBarClose(evt) {
+ const pdfDocument = this._pdfDocument;
+ this._firstPageCapability.promise.then(() => {
+ if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
+ return;
+ }
+ if (this._findTimeout) {
+ clearTimeout(this._findTimeout);
+ this._findTimeout = null;
+ }
+ if (this._resumePageIdx) {
+ this._resumePageIdx = null;
+ this._dirtyMatch = true;
+ }
+ this.#updateUIState(FindState.FOUND);
+ this._highlightMatches = false;
+ this.#updateAllPages();
+ });
+ }
+ #requestMatchesCount() {
+ const {
+ pageIdx,
+ matchIdx
+ } = this._selected;
+ let current = 0,
+ total = this._matchesCountTotal;
+ if (matchIdx !== -1) {
+ for (let i = 0; i < pageIdx; i++) {
+ current += this._pageMatches[i]?.length || 0;
+ }
+ current += matchIdx + 1;
+ }
+ if (current < 1 || current > total) {
+ current = total = 0;
+ }
+ return {
+ current,
+ total
+ };
+ }
+ #updateUIResultsCount() {
+ this._eventBus.dispatch("updatefindmatchescount", {
+ source: this,
+ matchesCount: this.#requestMatchesCount()
+ });
+ }
+ #updateUIState(state, previous = false) {
+ if (!this.#updateMatchesCountOnProgress && (this.#visitedPagesCount !== this._linkService.pagesCount || state === FindState.PENDING)) {
+ return;
+ }
+ this._eventBus.dispatch("updatefindcontrolstate", {
+ source: this,
+ state,
+ previous,
+ entireWord: this.#state?.entireWord ?? null,
+ matchesCount: this.#requestMatchesCount(),
+ rawQuery: this.#state?.query ?? null
+ });
+ }
+}
+
+;// ./web/pdf_find_bar.js
+
+
+const MATCHES_COUNT_LIMIT = 1000;
+class PDFFindBar {
+ #mainContainer;
+ #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this));
+ constructor(options, mainContainer, eventBus) {
+ this.opened = false;
+ this.bar = options.bar;
+ this.toggleButton = options.toggleButton;
+ this.findField = options.findField;
+ this.highlightAll = options.highlightAllCheckbox;
+ this.caseSensitive = options.caseSensitiveCheckbox;
+ this.matchDiacritics = options.matchDiacriticsCheckbox;
+ this.entireWord = options.entireWordCheckbox;
+ this.findMsg = options.findMsg;
+ this.findResultsCount = options.findResultsCount;
+ this.findPreviousButton = options.findPreviousButton;
+ this.findNextButton = options.findNextButton;
+ this.eventBus = eventBus;
+ this.#mainContainer = mainContainer;
+ const checkedInputs = new Map([[this.highlightAll, "highlightallchange"], [this.caseSensitive, "casesensitivitychange"], [this.entireWord, "entirewordchange"], [this.matchDiacritics, "diacriticmatchingchange"]]);
+ this.toggleButton.addEventListener("click", () => {
+ this.toggle();
+ });
+ this.findField.addEventListener("input", () => {
+ this.dispatchEvent("");
+ });
+ this.bar.addEventListener("keydown", ({
+ keyCode,
+ shiftKey,
+ target
+ }) => {
+ switch (keyCode) {
+ case 13:
+ if (target === this.findField) {
+ this.dispatchEvent("again", shiftKey);
+ } else if (checkedInputs.has(target)) {
+ target.checked = !target.checked;
+ this.dispatchEvent(checkedInputs.get(target));
+ }
+ break;
+ case 27:
+ this.close();
+ break;
+ }
+ });
+ this.findPreviousButton.addEventListener("click", () => {
+ this.dispatchEvent("again", true);
+ });
+ this.findNextButton.addEventListener("click", () => {
+ this.dispatchEvent("again", false);
+ });
+ for (const [elem, evtName] of checkedInputs) {
+ elem.addEventListener("click", () => {
+ this.dispatchEvent(evtName);
+ });
+ }
+ }
+ reset() {
+ this.updateUIState();
+ }
+ dispatchEvent(type, findPrev = false) {
+ this.eventBus.dispatch("find", {
+ source: this,
+ type,
+ query: this.findField.value,
+ caseSensitive: this.caseSensitive.checked,
+ entireWord: this.entireWord.checked,
+ highlightAll: this.highlightAll.checked,
+ findPrevious: findPrev,
+ matchDiacritics: this.matchDiacritics.checked
+ });
+ }
+ updateUIState(state, previous, matchesCount) {
+ const {
+ findField,
+ findMsg
+ } = this;
+ let findMsgId = "",
+ status = "";
+ switch (state) {
+ case FindState.FOUND:
+ break;
+ case FindState.PENDING:
+ status = "pending";
+ break;
+ case FindState.NOT_FOUND:
+ findMsgId = "pdfjs-find-not-found";
+ status = "notFound";
+ break;
+ case FindState.WRAPPED:
+ findMsgId = previous ? "pdfjs-find-reached-top" : "pdfjs-find-reached-bottom";
+ break;
+ }
+ findField.setAttribute("data-status", status);
+ findField.setAttribute("aria-invalid", state === FindState.NOT_FOUND);
+ findMsg.setAttribute("data-status", status);
+ if (findMsgId) {
+ findMsg.setAttribute("data-l10n-id", findMsgId);
+ } else {
+ findMsg.removeAttribute("data-l10n-id");
+ findMsg.textContent = "";
+ }
+ this.updateResultsCount(matchesCount);
+ }
+ updateResultsCount({
+ current = 0,
+ total = 0
+ } = {}) {
+ const {
+ findResultsCount
+ } = this;
+ if (total > 0) {
+ const limit = MATCHES_COUNT_LIMIT;
+ findResultsCount.setAttribute("data-l10n-id", total > limit ? "pdfjs-find-match-count-limit" : "pdfjs-find-match-count");
+ findResultsCount.setAttribute("data-l10n-args", JSON.stringify({
+ limit,
+ current,
+ total
+ }));
+ } else {
+ findResultsCount.removeAttribute("data-l10n-id");
+ findResultsCount.textContent = "";
+ }
+ }
+ open() {
+ if (!this.opened) {
+ this.#resizeObserver.observe(this.#mainContainer);
+ this.#resizeObserver.observe(this.bar);
+ this.opened = true;
+ toggleExpandedBtn(this.toggleButton, true, this.bar);
+ }
+ this.findField.select();
+ this.findField.focus();
+ }
+ close() {
+ if (!this.opened) {
+ return;
+ }
+ this.#resizeObserver.disconnect();
+ this.opened = false;
+ toggleExpandedBtn(this.toggleButton, false, this.bar);
+ this.eventBus.dispatch("findbarclose", {
+ source: this
+ });
+ }
+ toggle() {
+ if (this.opened) {
+ this.close();
+ } else {
+ this.open();
+ }
+ }
+ #resizeObserverCallback() {
+ const {
+ bar
+ } = this;
+ bar.classList.remove("wrapContainers");
+ const findbarHeight = bar.clientHeight;
+ const inputContainerHeight = bar.firstElementChild.clientHeight;
+ if (findbarHeight > inputContainerHeight) {
+ bar.classList.add("wrapContainers");
+ }
+ }
+}
+
+;// ./web/pdf_history.js
+
+
+
+const HASH_CHANGE_TIMEOUT = 1000;
+const POSITION_UPDATED_THRESHOLD = 50;
+const UPDATE_VIEWAREA_TIMEOUT = 1000;
+function getCurrentHash() {
+ return document.location.hash;
+}
+class PDFHistory {
+ #eventAbortController = null;
+ constructor({
+ linkService,
+ eventBus
+ }) {
+ this.linkService = linkService;
+ this.eventBus = eventBus;
+ this._initialized = false;
+ this._fingerprint = "";
+ this.reset();
+ this.eventBus._on("pagesinit", () => {
+ this._isPagesLoaded = false;
+ this.eventBus._on("pagesloaded", evt => {
+ this._isPagesLoaded = !!evt.pagesCount;
+ }, {
+ once: true
+ });
+ });
+ }
+ initialize({
+ fingerprint,
+ resetHistory = false,
+ updateUrl = false
+ }) {
+ if (!fingerprint || typeof fingerprint !== "string") {
+ console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
+ return;
+ }
+ if (this._initialized) {
+ this.reset();
+ }
+ const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
+ this._fingerprint = fingerprint;
+ this._updateUrl = updateUrl === true;
+ this._initialized = true;
+ this.#bindEvents();
+ const state = window.history.state;
+ this._popStateInProgress = false;
+ this._blockHashChange = 0;
+ this._currentHash = getCurrentHash();
+ this._numPositionUpdates = 0;
+ this._uid = this._maxUid = 0;
+ this._destination = null;
+ this._position = null;
+ if (!this.#isValidState(state, true) || resetHistory) {
+ const {
+ hash,
+ page,
+ rotation
+ } = this.#parseCurrentHash(true);
+ if (!hash || reInitialized || resetHistory) {
+ this.#pushOrReplaceState(null, true);
+ return;
+ }
+ this.#pushOrReplaceState({
+ hash,
+ page,
+ rotation
+ }, true);
+ return;
+ }
+ const destination = state.destination;
+ this.#updateInternalState(destination, state.uid, true);
+ if (destination.rotation !== undefined) {
+ this._initialRotation = destination.rotation;
+ }
+ if (destination.dest) {
+ this._initialBookmark = JSON.stringify(destination.dest);
+ this._destination.page = null;
+ } else if (destination.hash) {
+ this._initialBookmark = destination.hash;
+ } else if (destination.page) {
+ this._initialBookmark = `page=${destination.page}`;
+ }
+ }
+ reset() {
+ if (this._initialized) {
+ this.#pageHide();
+ this._initialized = false;
+ this.#unbindEvents();
+ }
+ if (this._updateViewareaTimeout) {
+ clearTimeout(this._updateViewareaTimeout);
+ this._updateViewareaTimeout = null;
+ }
+ this._initialBookmark = null;
+ this._initialRotation = null;
+ }
+ push({
+ namedDest = null,
+ explicitDest,
+ pageNumber
+ }) {
+ if (!this._initialized) {
+ return;
+ }
+ if (namedDest && typeof namedDest !== "string") {
+ console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`);
+ return;
+ } else if (!Array.isArray(explicitDest)) {
+ console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`);
+ return;
+ } else if (!this.#isValidPage(pageNumber)) {
+ if (pageNumber !== null || this._destination) {
+ console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`);
+ return;
+ }
+ }
+ const hash = namedDest || JSON.stringify(explicitDest);
+ if (!hash) {
+ return;
+ }
+ let forceReplace = false;
+ if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
+ if (this._destination.page) {
+ return;
+ }
+ forceReplace = true;
+ }
+ if (this._popStateInProgress && !forceReplace) {
+ return;
+ }
+ this.#pushOrReplaceState({
+ dest: explicitDest,
+ hash,
+ page: pageNumber,
+ rotation: this.linkService.rotation
+ }, forceReplace);
+ if (!this._popStateInProgress) {
+ this._popStateInProgress = true;
+ Promise.resolve().then(() => {
+ this._popStateInProgress = false;
+ });
+ }
+ }
+ pushPage(pageNumber) {
+ if (!this._initialized) {
+ return;
+ }
+ if (!this.#isValidPage(pageNumber)) {
+ console.error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`);
+ return;
+ }
+ if (this._destination?.page === pageNumber) {
+ return;
+ }
+ if (this._popStateInProgress) {
+ return;
+ }
+ this.#pushOrReplaceState({
+ dest: null,
+ hash: `page=${pageNumber}`,
+ page: pageNumber,
+ rotation: this.linkService.rotation
+ });
+ if (!this._popStateInProgress) {
+ this._popStateInProgress = true;
+ Promise.resolve().then(() => {
+ this._popStateInProgress = false;
+ });
+ }
+ }
+ pushCurrentPosition() {
+ if (!this._initialized || this._popStateInProgress) {
+ return;
+ }
+ this.#tryPushCurrentPosition();
+ }
+ back() {
+ if (!this._initialized || this._popStateInProgress) {
+ return;
+ }
+ const state = window.history.state;
+ if (this.#isValidState(state) && state.uid > 0) {
+ window.history.back();
+ }
+ }
+ forward() {
+ if (!this._initialized || this._popStateInProgress) {
+ return;
+ }
+ const state = window.history.state;
+ if (this.#isValidState(state) && state.uid < this._maxUid) {
+ window.history.forward();
+ }
+ }
+ get popStateInProgress() {
+ return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
+ }
+ get initialBookmark() {
+ return this._initialized ? this._initialBookmark : null;
+ }
+ get initialRotation() {
+ return this._initialized ? this._initialRotation : null;
+ }
+ #pushOrReplaceState(destination, forceReplace = false) {
+ const shouldReplace = forceReplace || !this._destination;
+ const newState = {
+ fingerprint: this._fingerprint,
+ uid: shouldReplace ? this._uid : this._uid + 1,
+ destination
+ };
+ this.#updateInternalState(destination, newState.uid);
+ let newUrl;
+ if (this._updateUrl && destination?.hash) {
+ const {
+ href,
+ protocol
+ } = document.location;
+ if (protocol !== "file:") {
+ newUrl = updateUrlHash(href, destination.hash);
+ }
+ }
+ if (shouldReplace) {
+ window.history.replaceState(newState, "", newUrl);
+ } else {
+ window.history.pushState(newState, "", newUrl);
+ }
+ }
+ #tryPushCurrentPosition(temporary = false) {
+ if (!this._position) {
+ return;
+ }
+ let position = this._position;
+ if (temporary) {
+ position = Object.assign(Object.create(null), this._position);
+ position.temporary = true;
+ }
+ if (!this._destination) {
+ this.#pushOrReplaceState(position);
+ return;
+ }
+ if (this._destination.temporary) {
+ this.#pushOrReplaceState(position, true);
+ return;
+ }
+ if (this._destination.hash === position.hash) {
+ return;
+ }
+ if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
+ return;
+ }
+ let forceReplace = false;
+ if (this._destination.page >= position.first && this._destination.page <= position.page) {
+ if (this._destination.dest !== undefined || !this._destination.first) {
+ return;
+ }
+ forceReplace = true;
+ }
+ this.#pushOrReplaceState(position, forceReplace);
+ }
+ #isValidPage(val) {
+ return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount;
+ }
+ #isValidState(state, checkReload = false) {
+ if (!state) {
+ return false;
+ }
+ if (state.fingerprint !== this._fingerprint) {
+ if (checkReload) {
+ if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
+ return false;
+ }
+ const [perfEntry] = performance.getEntriesByType("navigation");
+ if (perfEntry?.type !== "reload") {
+ return false;
+ }
+ } else {
+ return false;
+ }
+ }
+ if (!Number.isInteger(state.uid) || state.uid < 0) {
+ return false;
+ }
+ if (state.destination === null || typeof state.destination !== "object") {
+ return false;
+ }
+ return true;
+ }
+ #updateInternalState(destination, uid, removeTemporary = false) {
+ if (this._updateViewareaTimeout) {
+ clearTimeout(this._updateViewareaTimeout);
+ this._updateViewareaTimeout = null;
+ }
+ if (removeTemporary && destination?.temporary) {
+ delete destination.temporary;
+ }
+ this._destination = destination;
+ this._uid = uid;
+ this._maxUid = Math.max(this._maxUid, uid);
+ this._numPositionUpdates = 0;
+ }
+ #parseCurrentHash(checkNameddest = false) {
+ const hash = unescape(getCurrentHash()).substring(1);
+ const params = parseQueryString(hash);
+ const nameddest = params.get("nameddest") || "";
+ let page = params.get("page") | 0;
+ if (!this.#isValidPage(page) || checkNameddest && nameddest.length > 0) {
+ page = null;
+ }
+ return {
+ hash,
+ page,
+ rotation: this.linkService.rotation
+ };
+ }
+ #updateViewarea({
+ location
+ }) {
+ if (this._updateViewareaTimeout) {
+ clearTimeout(this._updateViewareaTimeout);
+ this._updateViewareaTimeout = null;
+ }
+ this._position = {
+ hash: location.pdfOpenParams.substring(1),
+ page: this.linkService.page,
+ first: location.pageNumber,
+ rotation: location.rotation
+ };
+ if (this._popStateInProgress) {
+ return;
+ }
+ if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
+ this._numPositionUpdates++;
+ }
+ if (UPDATE_VIEWAREA_TIMEOUT > 0) {
+ this._updateViewareaTimeout = setTimeout(() => {
+ if (!this._popStateInProgress) {
+ this.#tryPushCurrentPosition(true);
+ }
+ this._updateViewareaTimeout = null;
+ }, UPDATE_VIEWAREA_TIMEOUT);
+ }
+ }
+ #popState({
+ state
+ }) {
+ const newHash = getCurrentHash(),
+ hashChanged = this._currentHash !== newHash;
+ this._currentHash = newHash;
+ if (!state) {
+ this._uid++;
+ const {
+ hash,
+ page,
+ rotation
+ } = this.#parseCurrentHash();
+ this.#pushOrReplaceState({
+ hash,
+ page,
+ rotation
+ }, true);
+ return;
+ }
+ if (!this.#isValidState(state)) {
+ return;
+ }
+ this._popStateInProgress = true;
+ if (hashChanged) {
+ this._blockHashChange++;
+ waitOnEventOrTimeout({
+ target: window,
+ name: "hashchange",
+ delay: HASH_CHANGE_TIMEOUT
+ }).then(() => {
+ this._blockHashChange--;
+ });
+ }
+ const destination = state.destination;
+ this.#updateInternalState(destination, state.uid, true);
+ if (isValidRotation(destination.rotation)) {
+ this.linkService.rotation = destination.rotation;
+ }
+ if (destination.dest) {
+ this.linkService.goToDestination(destination.dest);
+ } else if (destination.hash) {
+ this.linkService.setHash(destination.hash);
+ } else if (destination.page) {
+ this.linkService.page = destination.page;
+ }
+ Promise.resolve().then(() => {
+ this._popStateInProgress = false;
+ });
+ }
+ #pageHide() {
+ if (!this._destination || this._destination.temporary) {
+ this.#tryPushCurrentPosition();
+ }
+ }
+ #bindEvents() {
+ if (this.#eventAbortController) {
+ return;
+ }
+ this.#eventAbortController = new AbortController();
+ const {
+ signal
+ } = this.#eventAbortController;
+ this.eventBus._on("updateviewarea", this.#updateViewarea.bind(this), {
+ signal
+ });
+ window.addEventListener("popstate", this.#popState.bind(this), {
+ signal
+ });
+ window.addEventListener("pagehide", this.#pageHide.bind(this), {
+ signal
+ });
+ }
+ #unbindEvents() {
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ }
+}
+function isDestHashesEqual(destHash, pushHash) {
+ if (typeof destHash !== "string" || typeof pushHash !== "string") {
+ return false;
+ }
+ if (destHash === pushHash) {
+ return true;
+ }
+ const nameddest = parseQueryString(destHash).get("nameddest");
+ if (nameddest === pushHash) {
+ return true;
+ }
+ return false;
+}
+function isDestArraysEqual(firstDest, secondDest) {
+ function isEntryEqual(first, second) {
+ if (typeof first !== typeof second) {
+ return false;
+ }
+ if (Array.isArray(first) || Array.isArray(second)) {
+ return false;
+ }
+ if (first !== null && typeof first === "object" && second !== null) {
+ if (Object.keys(first).length !== Object.keys(second).length) {
+ return false;
+ }
+ for (const key in first) {
+ if (!isEntryEqual(first[key], second[key])) {
+ return false;
+ }
+ }
+ return true;
+ }
+ return first === second || Number.isNaN(first) && Number.isNaN(second);
+ }
+ if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
+ return false;
+ }
+ if (firstDest.length !== secondDest.length) {
+ return false;
+ }
+ for (let i = 0, ii = firstDest.length; i < ii; i++) {
+ if (!isEntryEqual(firstDest[i], secondDest[i])) {
+ return false;
+ }
+ }
+ return true;
+}
+
+;// ./web/pdf_layer_viewer.js
+
+class PDFLayerViewer extends BaseTreeViewer {
+ constructor(options) {
+ super(options);
+ this.eventBus._on("optionalcontentconfigchanged", evt => {
+ this.#updateLayers(evt.promise);
+ });
+ this.eventBus._on("resetlayers", () => {
+ this.#updateLayers();
+ });
+ this.eventBus._on("togglelayerstree", this._toggleAllTreeItems.bind(this));
+ }
+ reset() {
+ super.reset();
+ this._optionalContentConfig = null;
+ this._optionalContentVisibility?.clear();
+ this._optionalContentVisibility = null;
+ }
+ _dispatchEvent(layersCount) {
+ this.eventBus.dispatch("layersloaded", {
+ source: this,
+ layersCount
+ });
+ }
+ _bindLink(element, {
+ groupId,
+ input
+ }) {
+ const setVisibility = () => {
+ const visible = input.checked;
+ this._optionalContentConfig.setVisibility(groupId, visible);
+ const cached = this._optionalContentVisibility.get(groupId);
+ if (cached) {
+ cached.visible = visible;
+ }
+ this.eventBus.dispatch("optionalcontentconfig", {
+ source: this,
+ promise: Promise.resolve(this._optionalContentConfig)
+ });
+ };
+ element.onclick = evt => {
+ if (evt.target === input) {
+ setVisibility();
+ return true;
+ } else if (evt.target !== element) {
+ return true;
+ }
+ input.checked = !input.checked;
+ setVisibility();
+ return false;
+ };
+ }
+ _setNestedName(element, {
+ name = null
+ }) {
+ if (typeof name === "string") {
+ element.textContent = this._normalizeTextContent(name);
+ return;
+ }
+ element.setAttribute("data-l10n-id", "pdfjs-additional-layers");
+ element.style.fontStyle = "italic";
+ this._l10n.translateOnce(element);
+ }
+ _addToggleButton(div, {
+ name = null
+ }) {
+ super._addToggleButton(div, name === null);
+ }
+ _toggleAllTreeItems() {
+ if (!this._optionalContentConfig) {
+ return;
+ }
+ super._toggleAllTreeItems();
+ }
+ render({
+ optionalContentConfig,
+ pdfDocument
+ }) {
+ if (this._optionalContentConfig) {
+ this.reset();
+ }
+ this._optionalContentConfig = optionalContentConfig || null;
+ this._pdfDocument = pdfDocument || null;
+ const groups = optionalContentConfig?.getOrder();
+ if (!groups) {
+ this._dispatchEvent(0);
+ return;
+ }
+ this._optionalContentVisibility = new Map();
+ const fragment = document.createDocumentFragment(),
+ queue = [{
+ parent: fragment,
+ groups
+ }];
+ let layersCount = 0,
+ hasAnyNesting = false;
+ while (queue.length > 0) {
+ const levelData = queue.shift();
+ for (const groupId of levelData.groups) {
+ const div = document.createElement("div");
+ div.className = "treeItem";
+ const element = document.createElement("a");
+ div.append(element);
+ if (typeof groupId === "object") {
+ hasAnyNesting = true;
+ this._addToggleButton(div, groupId);
+ this._setNestedName(element, groupId);
+ const itemsDiv = document.createElement("div");
+ itemsDiv.className = "treeItems";
+ div.append(itemsDiv);
+ queue.push({
+ parent: itemsDiv,
+ groups: groupId.order
+ });
+ } else {
+ const group = optionalContentConfig.getGroup(groupId);
+ const input = document.createElement("input");
+ this._bindLink(element, {
+ groupId,
+ input
+ });
+ input.type = "checkbox";
+ input.checked = group.visible;
+ this._optionalContentVisibility.set(groupId, {
+ input,
+ visible: input.checked
+ });
+ const label = document.createElement("label");
+ label.textContent = this._normalizeTextContent(group.name);
+ label.append(input);
+ element.append(label);
+ layersCount++;
+ }
+ levelData.parent.append(div);
+ }
+ }
+ this._finishRendering(fragment, layersCount, hasAnyNesting);
+ }
+ async #updateLayers(promise = null) {
+ if (!this._optionalContentConfig) {
+ return;
+ }
+ const pdfDocument = this._pdfDocument;
+ const optionalContentConfig = await (promise || pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ }));
+ if (pdfDocument !== this._pdfDocument) {
+ return;
+ }
+ if (promise) {
+ for (const [groupId, cached] of this._optionalContentVisibility) {
+ const group = optionalContentConfig.getGroup(groupId);
+ if (group && cached.visible !== group.visible) {
+ cached.input.checked = cached.visible = !cached.visible;
+ }
+ }
+ return;
+ }
+ this.eventBus.dispatch("optionalcontentconfig", {
+ source: this,
+ promise: Promise.resolve(optionalContentConfig)
+ });
+ this.render({
+ optionalContentConfig,
+ pdfDocument: this._pdfDocument
+ });
+ }
+}
+
+;// ./web/pdf_outline_viewer.js
+
+
+class PDFOutlineViewer extends BaseTreeViewer {
+ constructor(options) {
+ super(options);
+ this.linkService = options.linkService;
+ this.downloadManager = options.downloadManager;
+ this.eventBus._on("toggleoutlinetree", this._toggleAllTreeItems.bind(this));
+ this.eventBus._on("currentoutlineitem", this._currentOutlineItem.bind(this));
+ this.eventBus._on("pagechanging", evt => {
+ this._currentPageNumber = evt.pageNumber;
+ });
+ this.eventBus._on("pagesloaded", evt => {
+ this._isPagesLoaded = !!evt.pagesCount;
+ this._currentOutlineItemCapability?.resolve(this._isPagesLoaded);
+ });
+ this.eventBus._on("sidebarviewchanged", evt => {
+ this._sidebarView = evt.view;
+ });
+ }
+ reset() {
+ super.reset();
+ this._outline = null;
+ this._pageNumberToDestHashCapability = null;
+ this._currentPageNumber = 1;
+ this._isPagesLoaded = null;
+ this._currentOutlineItemCapability?.resolve(false);
+ this._currentOutlineItemCapability = null;
+ }
+ _dispatchEvent(outlineCount) {
+ this._currentOutlineItemCapability = Promise.withResolvers();
+ if (outlineCount === 0 || this._pdfDocument?.loadingParams.disableAutoFetch) {
+ this._currentOutlineItemCapability.resolve(false);
+ } else if (this._isPagesLoaded !== null) {
+ this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
+ }
+ this.eventBus.dispatch("outlineloaded", {
+ source: this,
+ outlineCount,
+ currentOutlineItemPromise: this._currentOutlineItemCapability.promise
+ });
+ }
+ _bindLink(element, {
+ url,
+ newWindow,
+ action,
+ attachment,
+ dest,
+ setOCGState
+ }) {
+ const {
+ linkService
+ } = this;
+ if (url) {
+ linkService.addLinkAttributes(element, url, newWindow);
+ return;
+ }
+ if (action) {
+ element.href = linkService.getAnchorUrl("");
+ element.onclick = () => {
+ linkService.executeNamedAction(action);
+ return false;
+ };
+ return;
+ }
+ if (attachment) {
+ element.href = linkService.getAnchorUrl("");
+ element.onclick = () => {
+ this.downloadManager.openOrDownloadData(attachment.content, attachment.filename);
+ return false;
+ };
+ return;
+ }
+ if (setOCGState) {
+ element.href = linkService.getAnchorUrl("");
+ element.onclick = () => {
+ linkService.executeSetOCGState(setOCGState);
+ return false;
+ };
+ return;
+ }
+ element.href = linkService.getDestinationHash(dest);
+ element.onclick = evt => {
+ this._updateCurrentTreeItem(evt.target.parentNode);
+ if (dest) {
+ linkService.goToDestination(dest);
+ }
+ return false;
+ };
+ }
+ _setStyles(element, {
+ bold,
+ italic
+ }) {
+ if (bold) {
+ element.style.fontWeight = "bold";
+ }
+ if (italic) {
+ element.style.fontStyle = "italic";
+ }
+ }
+ _addToggleButton(div, {
+ count,
+ items
+ }) {
+ let hidden = false;
+ if (count < 0) {
+ let totalCount = items.length;
+ if (totalCount > 0) {
+ const queue = [...items];
+ while (queue.length > 0) {
+ const {
+ count: nestedCount,
+ items: nestedItems
+ } = queue.shift();
+ if (nestedCount > 0 && nestedItems.length > 0) {
+ totalCount += nestedItems.length;
+ queue.push(...nestedItems);
+ }
+ }
+ }
+ if (Math.abs(count) === totalCount) {
+ hidden = true;
+ }
+ }
+ super._addToggleButton(div, hidden);
+ }
+ _toggleAllTreeItems() {
+ if (!this._outline) {
+ return;
+ }
+ super._toggleAllTreeItems();
+ }
+ render({
+ outline,
+ pdfDocument
+ }) {
+ if (this._outline) {
+ this.reset();
+ }
+ this._outline = outline || null;
+ this._pdfDocument = pdfDocument || null;
+ if (!outline) {
+ this._dispatchEvent(0);
+ return;
+ }
+ const fragment = document.createDocumentFragment();
+ const queue = [{
+ parent: fragment,
+ items: outline
+ }];
+ let outlineCount = 0,
+ hasAnyNesting = false;
+ while (queue.length > 0) {
+ const levelData = queue.shift();
+ for (const item of levelData.items) {
+ const div = document.createElement("div");
+ div.className = "treeItem";
+ const element = document.createElement("a");
+ this._bindLink(element, item);
+ this._setStyles(element, item);
+ element.textContent = this._normalizeTextContent(item.title);
+ div.append(element);
+ if (item.items.length > 0) {
+ hasAnyNesting = true;
+ this._addToggleButton(div, item);
+ const itemsDiv = document.createElement("div");
+ itemsDiv.className = "treeItems";
+ div.append(itemsDiv);
+ queue.push({
+ parent: itemsDiv,
+ items: item.items
+ });
+ }
+ levelData.parent.append(div);
+ outlineCount++;
+ }
+ }
+ this._finishRendering(fragment, outlineCount, hasAnyNesting);
+ }
+ async _currentOutlineItem() {
+ if (!this._isPagesLoaded) {
+ throw new Error("_currentOutlineItem: All pages have not been loaded.");
+ }
+ if (!this._outline || !this._pdfDocument) {
+ return;
+ }
+ const pageNumberToDestHash = await this._getPageNumberToDestHash(this._pdfDocument);
+ if (!pageNumberToDestHash) {
+ return;
+ }
+ this._updateCurrentTreeItem(null);
+ if (this._sidebarView !== SidebarView.OUTLINE) {
+ return;
+ }
+ for (let i = this._currentPageNumber; i > 0; i--) {
+ const destHash = pageNumberToDestHash.get(i);
+ if (!destHash) {
+ continue;
+ }
+ const linkElement = this.container.querySelector(`a[href="${destHash}"]`);
+ if (!linkElement) {
+ continue;
+ }
+ this._scrollToCurrentTreeItem(linkElement.parentNode);
+ break;
+ }
+ }
+ async _getPageNumberToDestHash(pdfDocument) {
+ if (this._pageNumberToDestHashCapability) {
+ return this._pageNumberToDestHashCapability.promise;
+ }
+ this._pageNumberToDestHashCapability = Promise.withResolvers();
+ const pageNumberToDestHash = new Map(),
+ pageNumberNesting = new Map();
+ const queue = [{
+ nesting: 0,
+ items: this._outline
+ }];
+ while (queue.length > 0) {
+ const levelData = queue.shift(),
+ currentNesting = levelData.nesting;
+ for (const {
+ dest,
+ items
+ } of levelData.items) {
+ let explicitDest, pageNumber;
+ if (typeof dest === "string") {
+ explicitDest = await pdfDocument.getDestination(dest);
+ if (pdfDocument !== this._pdfDocument) {
+ return null;
+ }
+ } else {
+ explicitDest = dest;
+ }
+ if (Array.isArray(explicitDest)) {
+ const [destRef] = explicitDest;
+ if (destRef && typeof destRef === "object") {
+ pageNumber = pdfDocument.cachedPageNumber(destRef);
+ } else if (Number.isInteger(destRef)) {
+ pageNumber = destRef + 1;
+ }
+ if (Number.isInteger(pageNumber) && (!pageNumberToDestHash.has(pageNumber) || currentNesting > pageNumberNesting.get(pageNumber))) {
+ const destHash = this.linkService.getDestinationHash(dest);
+ pageNumberToDestHash.set(pageNumber, destHash);
+ pageNumberNesting.set(pageNumber, currentNesting);
+ }
+ }
+ if (items.length > 0) {
+ queue.push({
+ nesting: currentNesting + 1,
+ items
+ });
+ }
+ }
+ }
+ this._pageNumberToDestHashCapability.resolve(pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null);
+ return this._pageNumberToDestHashCapability.promise;
+ }
+}
+
+;// ./web/pdf_presentation_mode.js
+
+
+const DELAY_BEFORE_HIDING_CONTROLS = 3000;
+const ACTIVE_SELECTOR = "pdfPresentationMode";
+const CONTROLS_SELECTOR = "pdfPresentationModeControls";
+const MOUSE_SCROLL_COOLDOWN_TIME = 50;
+const PAGE_SWITCH_THRESHOLD = 0.1;
+const SWIPE_MIN_DISTANCE_THRESHOLD = 50;
+const SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
+class PDFPresentationMode {
+ #state = PresentationModeState.UNKNOWN;
+ #args = null;
+ #fullscreenChangeAbortController = null;
+ #windowAbortController = null;
+ constructor({
+ container,
+ pdfViewer,
+ eventBus
+ }) {
+ this.container = container;
+ this.pdfViewer = pdfViewer;
+ this.eventBus = eventBus;
+ this.contextMenuOpen = false;
+ this.mouseScrollTimeStamp = 0;
+ this.mouseScrollDelta = 0;
+ this.touchSwipeState = null;
+ }
+ async request() {
+ const {
+ container,
+ pdfViewer
+ } = this;
+ if (this.active || !pdfViewer.pagesCount || !container.requestFullscreen) {
+ return false;
+ }
+ this.#addFullscreenChangeListeners();
+ this.#notifyStateChange(PresentationModeState.CHANGING);
+ const promise = container.requestFullscreen();
+ this.#args = {
+ pageNumber: pdfViewer.currentPageNumber,
+ scaleValue: pdfViewer.currentScaleValue,
+ scrollMode: pdfViewer.scrollMode,
+ spreadMode: null,
+ annotationEditorMode: null
+ };
+ if (pdfViewer.spreadMode !== SpreadMode.NONE && !(pdfViewer.pageViewsReady && pdfViewer.hasEqualPageSizes)) {
+ console.warn("Ignoring Spread modes when entering PresentationMode, " + "since the document may contain varying page sizes.");
+ this.#args.spreadMode = pdfViewer.spreadMode;
+ }
+ if (pdfViewer.annotationEditorMode !== AnnotationEditorType.DISABLE) {
+ this.#args.annotationEditorMode = pdfViewer.annotationEditorMode;
+ }
+ try {
+ await promise;
+ pdfViewer.focus();
+ return true;
+ } catch {
+ this.#removeFullscreenChangeListeners();
+ this.#notifyStateChange(PresentationModeState.NORMAL);
+ }
+ return false;
+ }
+ get active() {
+ return this.#state === PresentationModeState.CHANGING || this.#state === PresentationModeState.FULLSCREEN;
+ }
+ #mouseWheel(evt) {
+ if (!this.active) {
+ return;
+ }
+ evt.preventDefault();
+ const delta = normalizeWheelEventDelta(evt);
+ const currentTime = Date.now();
+ const storedTime = this.mouseScrollTimeStamp;
+ if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
+ return;
+ }
+ if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
+ this.#resetMouseScrollState();
+ }
+ this.mouseScrollDelta += delta;
+ if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
+ const totalDelta = this.mouseScrollDelta;
+ this.#resetMouseScrollState();
+ const success = totalDelta > 0 ? this.pdfViewer.previousPage() : this.pdfViewer.nextPage();
+ if (success) {
+ this.mouseScrollTimeStamp = currentTime;
+ }
+ }
+ }
+ #notifyStateChange(state) {
+ this.#state = state;
+ this.eventBus.dispatch("presentationmodechanged", {
+ source: this,
+ state
+ });
+ }
+ #enter() {
+ this.#notifyStateChange(PresentationModeState.FULLSCREEN);
+ this.container.classList.add(ACTIVE_SELECTOR);
+ setTimeout(() => {
+ this.pdfViewer.scrollMode = ScrollMode.PAGE;
+ if (this.#args.spreadMode !== null) {
+ this.pdfViewer.spreadMode = SpreadMode.NONE;
+ }
+ this.pdfViewer.currentPageNumber = this.#args.pageNumber;
+ this.pdfViewer.currentScaleValue = "page-fit";
+ if (this.#args.annotationEditorMode !== null) {
+ this.pdfViewer.annotationEditorMode = {
+ mode: AnnotationEditorType.NONE
+ };
+ }
+ }, 0);
+ this.#addWindowListeners();
+ this.#showControls();
+ this.contextMenuOpen = false;
+ document.getSelection().empty();
+ }
+ #exit() {
+ const pageNumber = this.pdfViewer.currentPageNumber;
+ this.container.classList.remove(ACTIVE_SELECTOR);
+ setTimeout(() => {
+ this.#removeFullscreenChangeListeners();
+ this.#notifyStateChange(PresentationModeState.NORMAL);
+ this.pdfViewer.scrollMode = this.#args.scrollMode;
+ if (this.#args.spreadMode !== null) {
+ this.pdfViewer.spreadMode = this.#args.spreadMode;
+ }
+ this.pdfViewer.currentScaleValue = this.#args.scaleValue;
+ this.pdfViewer.currentPageNumber = pageNumber;
+ if (this.#args.annotationEditorMode !== null) {
+ this.pdfViewer.annotationEditorMode = {
+ mode: this.#args.annotationEditorMode
+ };
+ }
+ this.#args = null;
+ }, 0);
+ this.#removeWindowListeners();
+ this.#hideControls();
+ this.#resetMouseScrollState();
+ this.contextMenuOpen = false;
+ }
+ #mouseDown(evt) {
+ if (this.contextMenuOpen) {
+ this.contextMenuOpen = false;
+ evt.preventDefault();
+ return;
+ }
+ if (evt.button !== 0) {
+ return;
+ }
+ if (evt.target.href && evt.target.parentNode?.hasAttribute("data-internal-link")) {
+ return;
+ }
+ evt.preventDefault();
+ if (evt.shiftKey) {
+ this.pdfViewer.previousPage();
+ } else {
+ this.pdfViewer.nextPage();
+ }
+ }
+ #contextMenu() {
+ this.contextMenuOpen = true;
+ }
+ #showControls() {
+ if (this.controlsTimeout) {
+ clearTimeout(this.controlsTimeout);
+ } else {
+ this.container.classList.add(CONTROLS_SELECTOR);
+ }
+ this.controlsTimeout = setTimeout(() => {
+ this.container.classList.remove(CONTROLS_SELECTOR);
+ delete this.controlsTimeout;
+ }, DELAY_BEFORE_HIDING_CONTROLS);
+ }
+ #hideControls() {
+ if (!this.controlsTimeout) {
+ return;
+ }
+ clearTimeout(this.controlsTimeout);
+ this.container.classList.remove(CONTROLS_SELECTOR);
+ delete this.controlsTimeout;
+ }
+ #resetMouseScrollState() {
+ this.mouseScrollTimeStamp = 0;
+ this.mouseScrollDelta = 0;
+ }
+ #touchSwipe(evt) {
+ if (!this.active) {
+ return;
+ }
+ if (evt.touches.length > 1) {
+ this.touchSwipeState = null;
+ return;
+ }
+ switch (evt.type) {
+ case "touchstart":
+ this.touchSwipeState = {
+ startX: evt.touches[0].pageX,
+ startY: evt.touches[0].pageY,
+ endX: evt.touches[0].pageX,
+ endY: evt.touches[0].pageY
+ };
+ break;
+ case "touchmove":
+ if (this.touchSwipeState === null) {
+ return;
+ }
+ this.touchSwipeState.endX = evt.touches[0].pageX;
+ this.touchSwipeState.endY = evt.touches[0].pageY;
+ evt.preventDefault();
+ break;
+ case "touchend":
+ if (this.touchSwipeState === null) {
+ return;
+ }
+ let delta = 0;
+ const dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
+ const dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
+ const absAngle = Math.abs(Math.atan2(dy, dx));
+ if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
+ delta = dx;
+ } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
+ delta = dy;
+ }
+ if (delta > 0) {
+ this.pdfViewer.previousPage();
+ } else if (delta < 0) {
+ this.pdfViewer.nextPage();
+ }
+ break;
+ }
+ }
+ #addWindowListeners() {
+ if (this.#windowAbortController) {
+ return;
+ }
+ this.#windowAbortController = new AbortController();
+ const {
+ signal
+ } = this.#windowAbortController;
+ const touchSwipeBind = this.#touchSwipe.bind(this);
+ window.addEventListener("mousemove", this.#showControls.bind(this), {
+ signal
+ });
+ window.addEventListener("mousedown", this.#mouseDown.bind(this), {
+ signal
+ });
+ window.addEventListener("wheel", this.#mouseWheel.bind(this), {
+ passive: false,
+ signal
+ });
+ window.addEventListener("keydown", this.#resetMouseScrollState.bind(this), {
+ signal
+ });
+ window.addEventListener("contextmenu", this.#contextMenu.bind(this), {
+ signal
+ });
+ window.addEventListener("touchstart", touchSwipeBind, {
+ signal
+ });
+ window.addEventListener("touchmove", touchSwipeBind, {
+ signal
+ });
+ window.addEventListener("touchend", touchSwipeBind, {
+ signal
+ });
+ }
+ #removeWindowListeners() {
+ this.#windowAbortController?.abort();
+ this.#windowAbortController = null;
+ }
+ #addFullscreenChangeListeners() {
+ if (this.#fullscreenChangeAbortController) {
+ return;
+ }
+ this.#fullscreenChangeAbortController = new AbortController();
+ window.addEventListener("fullscreenchange", () => {
+ if (document.fullscreenElement) {
+ this.#enter();
+ } else {
+ this.#exit();
+ }
+ }, {
+ signal: this.#fullscreenChangeAbortController.signal
+ });
+ }
+ #removeFullscreenChangeListeners() {
+ this.#fullscreenChangeAbortController?.abort();
+ this.#fullscreenChangeAbortController = null;
+ }
+}
+
+;// ./web/xfa_layer_builder.js
+
+class XfaLayerBuilder {
+ constructor({
+ pdfPage,
+ annotationStorage = null,
+ linkService,
+ xfaHtml = null
+ }) {
+ this.pdfPage = pdfPage;
+ this.annotationStorage = annotationStorage;
+ this.linkService = linkService;
+ this.xfaHtml = xfaHtml;
+ this.div = null;
+ this._cancelled = false;
+ }
+ async render({
+ viewport,
+ intent = "display"
+ }) {
+ if (intent === "print") {
+ const parameters = {
+ viewport: viewport.clone({
+ dontFlip: true
+ }),
+ div: this.div,
+ xfaHtml: this.xfaHtml,
+ annotationStorage: this.annotationStorage,
+ linkService: this.linkService,
+ intent
+ };
+ this.div = document.createElement("div");
+ parameters.div = this.div;
+ return XfaLayer.render(parameters);
+ }
+ const xfaHtml = await this.pdfPage.getXfa();
+ if (this._cancelled || !xfaHtml) {
+ return {
+ textDivs: []
+ };
+ }
+ const parameters = {
+ viewport: viewport.clone({
+ dontFlip: true
+ }),
+ div: this.div,
+ xfaHtml,
+ annotationStorage: this.annotationStorage,
+ linkService: this.linkService,
+ intent
+ };
+ if (this.div) {
+ return XfaLayer.update(parameters);
+ }
+ this.div = document.createElement("div");
+ parameters.div = this.div;
+ return XfaLayer.render(parameters);
+ }
+ cancel() {
+ this._cancelled = true;
+ }
+ hide() {
+ if (!this.div) {
+ return;
+ }
+ this.div.hidden = true;
+ }
+}
+
+;// ./web/print_utils.js
+
+
+
+function getXfaHtmlForPrinting(printContainer, pdfDocument) {
+ const xfaHtml = pdfDocument.allXfaHtml;
+ const linkService = new SimpleLinkService();
+ const scale = Math.round(PixelsPerInch.PDF_TO_CSS_UNITS * 100) / 100;
+ for (const xfaPage of xfaHtml.children) {
+ const page = document.createElement("div");
+ page.className = "xfaPrintedPage";
+ printContainer.append(page);
+ const builder = new XfaLayerBuilder({
+ pdfPage: null,
+ annotationStorage: pdfDocument.annotationStorage,
+ linkService,
+ xfaHtml: xfaPage
+ });
+ const viewport = getXfaPageViewport(xfaPage, {
+ scale
+ });
+ builder.render({
+ viewport,
+ intent: "print"
+ });
+ page.append(builder.div);
+ }
+}
+
+;// ./web/pdf_print_service.js
+
+
+let activeService = null;
+let dialog = null;
+let overlayManager = null;
+let viewerApp = {
+ initialized: false
+};
+function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise) {
+ const scratchCanvas = activeService.scratchCanvas;
+ const PRINT_UNITS = printResolution / PixelsPerInch.PDF;
+ scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
+ scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
+ const ctx = scratchCanvas.getContext("2d");
+ ctx.save();
+ ctx.fillStyle = "rgb(255, 255, 255)";
+ ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
+ ctx.restore();
+ return Promise.all([pdfDocument.getPage(pageNumber), printAnnotationStoragePromise]).then(function ([pdfPage, printAnnotationStorage]) {
+ const renderContext = {
+ canvas: scratchCanvas,
+ transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
+ viewport: pdfPage.getViewport({
+ scale: 1,
+ rotation: size.rotation
+ }),
+ intent: "print",
+ annotationMode: AnnotationMode.ENABLE_STORAGE,
+ optionalContentConfigPromise,
+ printAnnotationStorage
+ };
+ const renderTask = pdfPage.render(renderContext);
+ return renderTask.promise.catch(reason => {
+ if (!(reason instanceof RenderingCancelledException)) {
+ console.error(reason);
+ }
+ throw reason;
+ });
+ });
+}
+class PDFPrintService {
+ constructor({
+ pdfDocument,
+ pagesOverview,
+ printContainer,
+ printResolution,
+ printAnnotationStoragePromise = null
+ }) {
+ this.pdfDocument = pdfDocument;
+ this.pagesOverview = pagesOverview;
+ this.printContainer = printContainer;
+ this._printResolution = printResolution || 150;
+ this._optionalContentConfigPromise = pdfDocument.getOptionalContentConfig({
+ intent: "print"
+ });
+ this._printAnnotationStoragePromise = printAnnotationStoragePromise || Promise.resolve();
+ this.currentPage = -1;
+ this.scratchCanvas = document.createElement("canvas");
+ }
+ layout() {
+ this.throwIfInactive();
+ const body = document.querySelector("body");
+ body.setAttribute("data-pdfjsprinting", true);
+ const {
+ width,
+ height
+ } = this.pagesOverview[0];
+ const hasEqualPageSizes = this.pagesOverview.every(size => size.width === width && size.height === height);
+ if (!hasEqualPageSizes) {
+ console.warn("Not all pages have the same size. The printed result may be incorrect!");
+ }
+ this.pageStyleSheet = document.createElement("style");
+ this.pageStyleSheet.textContent = `@page { size: ${width}pt ${height}pt;}`;
+ body.append(this.pageStyleSheet);
+ }
+ destroy() {
+ if (activeService !== this) {
+ return;
+ }
+ this.printContainer.textContent = "";
+ const body = document.querySelector("body");
+ body.removeAttribute("data-pdfjsprinting");
+ if (this.pageStyleSheet) {
+ this.pageStyleSheet.remove();
+ this.pageStyleSheet = null;
+ }
+ this.scratchCanvas.width = this.scratchCanvas.height = 0;
+ this.scratchCanvas = null;
+ activeService = null;
+ ensureOverlay().then(function () {
+ overlayManager.closeIfActive(dialog);
+ });
+ }
+ renderPages() {
+ if (this.pdfDocument.isPureXfa) {
+ getXfaHtmlForPrinting(this.printContainer, this.pdfDocument);
+ return Promise.resolve();
+ }
+ const pageCount = this.pagesOverview.length;
+ const renderNextPage = (resolve, reject) => {
+ this.throwIfInactive();
+ if (++this.currentPage >= pageCount) {
+ renderProgress(pageCount, pageCount);
+ resolve();
+ return;
+ }
+ const index = this.currentPage;
+ renderProgress(index, pageCount);
+ renderPage(this, this.pdfDocument, index + 1, this.pagesOverview[index], this._printResolution, this._optionalContentConfigPromise, this._printAnnotationStoragePromise).then(this.useRenderedPage.bind(this)).then(function () {
+ renderNextPage(resolve, reject);
+ }, reject);
+ };
+ return new Promise(renderNextPage);
+ }
+ useRenderedPage() {
+ this.throwIfInactive();
+ const img = document.createElement("img");
+ this.scratchCanvas.toBlob(blob => {
+ img.src = URL.createObjectURL(blob);
+ });
+ const wrapper = document.createElement("div");
+ wrapper.className = "printedPage";
+ wrapper.append(img);
+ this.printContainer.append(wrapper);
+ const {
+ promise,
+ resolve,
+ reject
+ } = Promise.withResolvers();
+ img.onload = resolve;
+ img.onerror = reject;
+ promise.catch(() => {}).then(() => {
+ URL.revokeObjectURL(img.src);
+ });
+ return promise;
+ }
+ performPrint() {
+ this.throwIfInactive();
+ return new Promise(resolve => {
+ setTimeout(() => {
+ if (!this.active) {
+ resolve();
+ return;
+ }
+ print.call(window);
+ setTimeout(resolve, 20);
+ }, 0);
+ });
+ }
+ get active() {
+ return this === activeService;
+ }
+ throwIfInactive() {
+ if (!this.active) {
+ throw new Error("This print request was cancelled or completed.");
+ }
+ }
+}
+const print = window.print;
+window.print = function () {
+ if (activeService) {
+ console.warn("Ignored window.print() because of a pending print job.");
+ return;
+ }
+ ensureOverlay().then(function () {
+ if (activeService) {
+ overlayManager.open(dialog);
+ }
+ });
+ try {
+ dispatchEvent("beforeprint");
+ } finally {
+ if (!activeService) {
+ console.error("Expected print service to be initialized.");
+ ensureOverlay().then(function () {
+ overlayManager.closeIfActive(dialog);
+ });
+ } else {
+ const activeServiceOnEntry = activeService;
+ activeService.renderPages().then(() => activeServiceOnEntry.performPrint()).catch(() => {}).then(() => {
+ if (activeServiceOnEntry.active) {
+ abort();
+ }
+ });
+ }
+ }
+};
+function dispatchEvent(eventType) {
+ const event = new CustomEvent(eventType, {
+ bubbles: false,
+ cancelable: false,
+ detail: "custom"
+ });
+ window.dispatchEvent(event);
+}
+function abort() {
+ if (activeService) {
+ activeService.destroy();
+ dispatchEvent("afterprint");
+ }
+}
+function renderProgress(index, total) {
+ dialog ||= document.getElementById("printServiceDialog");
+ const progress = Math.round(100 * index / total);
+ const progressBar = dialog.querySelector("progress");
+ const progressPerc = dialog.querySelector(".relative-progress");
+ progressBar.value = progress;
+ progressPerc.setAttribute("data-l10n-args", JSON.stringify({
+ progress
+ }));
+}
+window.addEventListener("keydown", function (event) {
+ if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
+ window.print();
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ }
+}, true);
+if ("onbeforeprint" in window) {
+ const stopPropagationIfNeeded = function (event) {
+ if (event.detail !== "custom") {
+ event.stopImmediatePropagation();
+ }
+ };
+ window.addEventListener("beforeprint", stopPropagationIfNeeded);
+ window.addEventListener("afterprint", stopPropagationIfNeeded);
+}
+let overlayPromise;
+function ensureOverlay() {
+ if (!overlayPromise) {
+ overlayManager = viewerApp.overlayManager;
+ if (!overlayManager) {
+ throw new Error("The overlay manager has not yet been initialized.");
+ }
+ dialog ||= document.getElementById("printServiceDialog");
+ overlayPromise = overlayManager.register(dialog, true);
+ document.getElementById("printCancel").onclick = abort;
+ dialog.addEventListener("close", abort);
+ }
+ return overlayPromise;
+}
+class PDFPrintServiceFactory {
+ static initGlobals(app) {
+ viewerApp = app;
+ }
+ static get supportsPrinting() {
+ return shadow(this, "supportsPrinting", true);
+ }
+ static createPrintService(params) {
+ if (activeService) {
+ throw new Error("The print service is created and active.");
+ }
+ return activeService = new PDFPrintService(params);
+ }
+}
+
+;// ./web/pdf_rendering_queue.js
+
+
+const CLEANUP_TIMEOUT = 30000;
+class PDFRenderingQueue {
+ constructor() {
+ this.pdfViewer = null;
+ this.pdfThumbnailViewer = null;
+ this.onIdle = null;
+ this.highestPriorityPage = null;
+ this.idleTimeout = null;
+ this.printing = false;
+ this.isThumbnailViewEnabled = false;
+ Object.defineProperty(this, "hasViewer", {
+ value: () => !!this.pdfViewer
+ });
+ }
+ setViewer(pdfViewer) {
+ this.pdfViewer = pdfViewer;
+ }
+ setThumbnailViewer(pdfThumbnailViewer) {
+ this.pdfThumbnailViewer = pdfThumbnailViewer;
+ }
+ isHighestPriority(view) {
+ return this.highestPriorityPage === view.renderingId;
+ }
+ renderHighestPriority(currentlyVisiblePages) {
+ if (this.idleTimeout) {
+ clearTimeout(this.idleTimeout);
+ this.idleTimeout = null;
+ }
+ if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
+ return;
+ }
+ if (this.isThumbnailViewEnabled && this.pdfThumbnailViewer?.forceRendering()) {
+ return;
+ }
+ if (this.printing) {
+ return;
+ }
+ if (this.onIdle) {
+ this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
+ }
+ }
+ getHighestPriority(visible, views, scrolledDown, preRenderExtra = false, ignoreDetailViews = false) {
+ const visibleViews = visible.views,
+ numVisible = visibleViews.length;
+ if (numVisible === 0) {
+ return null;
+ }
+ for (let i = 0; i < numVisible; i++) {
+ const view = visibleViews[i].view;
+ if (!this.isViewFinished(view)) {
+ return view;
+ }
+ }
+ if (!ignoreDetailViews) {
+ for (let i = 0; i < numVisible; i++) {
+ const {
+ detailView
+ } = visibleViews[i].view;
+ if (detailView && !this.isViewFinished(detailView)) {
+ return detailView;
+ }
+ }
+ }
+ const firstId = visible.first.id,
+ lastId = visible.last.id;
+ if (lastId - firstId + 1 > numVisible) {
+ const visibleIds = visible.ids;
+ for (let i = 1, ii = lastId - firstId; i < ii; i++) {
+ const holeId = scrolledDown ? firstId + i : lastId - i;
+ if (visibleIds.has(holeId)) {
+ continue;
+ }
+ const holeView = views[holeId - 1];
+ if (!this.isViewFinished(holeView)) {
+ return holeView;
+ }
+ }
+ }
+ let preRenderIndex = scrolledDown ? lastId : firstId - 2;
+ let preRenderView = views[preRenderIndex];
+ if (preRenderView && !this.isViewFinished(preRenderView)) {
+ return preRenderView;
+ }
+ if (preRenderExtra) {
+ preRenderIndex += scrolledDown ? 1 : -1;
+ preRenderView = views[preRenderIndex];
+ if (preRenderView && !this.isViewFinished(preRenderView)) {
+ return preRenderView;
+ }
+ }
+ return null;
+ }
+ isViewFinished(view) {
+ return view.renderingState === RenderingStates.FINISHED;
+ }
+ renderView(view) {
+ switch (view.renderingState) {
+ case RenderingStates.FINISHED:
+ return false;
+ case RenderingStates.PAUSED:
+ this.highestPriorityPage = view.renderingId;
+ view.resume();
+ break;
+ case RenderingStates.RUNNING:
+ this.highestPriorityPage = view.renderingId;
+ break;
+ case RenderingStates.INITIAL:
+ this.highestPriorityPage = view.renderingId;
+ view.draw().finally(() => {
+ this.renderHighestPriority();
+ }).catch(reason => {
+ if (reason instanceof RenderingCancelledException) {
+ return;
+ }
+ console.error("renderView:", reason);
+ });
+ break;
+ }
+ return true;
+ }
+}
+
+;// ./web/pdf_scripting_manager.js
+
+
+class PDFScriptingManager {
+ #closeCapability = null;
+ #destroyCapability = null;
+ #docProperties = null;
+ #eventAbortController = null;
+ #eventBus = null;
+ #externalServices = null;
+ #pdfDocument = null;
+ #pdfViewer = null;
+ #ready = false;
+ #scripting = null;
+ #willPrintCapability = null;
+ constructor({
+ eventBus,
+ externalServices = null,
+ docProperties = null
+ }) {
+ this.#eventBus = eventBus;
+ this.#externalServices = externalServices;
+ this.#docProperties = docProperties;
+ }
+ setViewer(pdfViewer) {
+ this.#pdfViewer = pdfViewer;
+ }
+ async setDocument(pdfDocument) {
+ if (this.#pdfDocument) {
+ await this.#destroyScripting();
+ }
+ this.#pdfDocument = pdfDocument;
+ if (!pdfDocument) {
+ return;
+ }
+ const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]);
+ if (!objects && !docActions) {
+ await this.#destroyScripting();
+ return;
+ }
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ try {
+ this.#scripting = this.#initScripting();
+ } catch (error) {
+ console.error("setDocument:", error);
+ await this.#destroyScripting();
+ return;
+ }
+ const eventBus = this.#eventBus;
+ this.#eventAbortController = new AbortController();
+ const {
+ signal
+ } = this.#eventAbortController;
+ eventBus._on("updatefromsandbox", event => {
+ if (event?.source === window) {
+ this.#updateFromSandbox(event.detail);
+ }
+ }, {
+ signal
+ });
+ eventBus._on("dispatcheventinsandbox", event => {
+ this.#scripting?.dispatchEventInSandbox(event.detail);
+ }, {
+ signal
+ });
+ eventBus._on("pagechanging", ({
+ pageNumber,
+ previous
+ }) => {
+ if (pageNumber === previous) {
+ return;
+ }
+ this.#dispatchPageClose(previous);
+ this.#dispatchPageOpen(pageNumber);
+ }, {
+ signal
+ });
+ eventBus._on("pagerendered", ({
+ pageNumber
+ }) => {
+ if (!this._pageOpenPending.has(pageNumber)) {
+ return;
+ }
+ if (pageNumber !== this.#pdfViewer.currentPageNumber) {
+ return;
+ }
+ this.#dispatchPageOpen(pageNumber);
+ }, {
+ signal
+ });
+ eventBus._on("pagesdestroy", async () => {
+ await this.#dispatchPageClose(this.#pdfViewer.currentPageNumber);
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "WillClose"
+ });
+ this.#closeCapability?.resolve();
+ }, {
+ signal
+ });
+ try {
+ const docProperties = await this.#docProperties(pdfDocument);
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ await this.#scripting.createSandbox({
+ objects,
+ calculationOrder,
+ appInfo: {
+ platform: navigator.platform,
+ language: navigator.language
+ },
+ docInfo: {
+ ...docProperties,
+ actions: docActions
+ }
+ });
+ eventBus.dispatch("sandboxcreated", {
+ source: this
+ });
+ } catch (error) {
+ console.error("setDocument:", error);
+ await this.#destroyScripting();
+ return;
+ }
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "Open"
+ });
+ await this.#dispatchPageOpen(this.#pdfViewer.currentPageNumber, true);
+ Promise.resolve().then(() => {
+ if (pdfDocument === this.#pdfDocument) {
+ this.#ready = true;
+ }
+ });
+ }
+ async dispatchWillSave() {
+ return this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "WillSave"
+ });
+ }
+ async dispatchDidSave() {
+ return this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "DidSave"
+ });
+ }
+ async dispatchWillPrint() {
+ if (!this.#scripting) {
+ return;
+ }
+ await this.#willPrintCapability?.promise;
+ this.#willPrintCapability = Promise.withResolvers();
+ try {
+ await this.#scripting.dispatchEventInSandbox({
+ id: "doc",
+ name: "WillPrint"
+ });
+ } catch (ex) {
+ this.#willPrintCapability.resolve();
+ this.#willPrintCapability = null;
+ throw ex;
+ }
+ await this.#willPrintCapability.promise;
+ }
+ async dispatchDidPrint() {
+ return this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "DidPrint"
+ });
+ }
+ get destroyPromise() {
+ return this.#destroyCapability?.promise || null;
+ }
+ get ready() {
+ return this.#ready;
+ }
+ get _pageOpenPending() {
+ return shadow(this, "_pageOpenPending", new Set());
+ }
+ get _visitedPages() {
+ return shadow(this, "_visitedPages", new Map());
+ }
+ async #updateFromSandbox(detail) {
+ const pdfViewer = this.#pdfViewer;
+ const isInPresentationMode = pdfViewer.isInPresentationMode || pdfViewer.isChangingPresentationMode;
+ const {
+ id,
+ siblings,
+ command,
+ value
+ } = detail;
+ if (!id) {
+ switch (command) {
+ case "clear":
+ console.clear();
+ break;
+ case "error":
+ console.error(value);
+ break;
+ case "layout":
+ if (!isInPresentationMode) {
+ const modes = apiPageLayoutToViewerModes(value);
+ pdfViewer.spreadMode = modes.spreadMode;
+ }
+ break;
+ case "page-num":
+ pdfViewer.currentPageNumber = value + 1;
+ break;
+ case "print":
+ await pdfViewer.pagesPromise;
+ this.#eventBus.dispatch("print", {
+ source: this
+ });
+ break;
+ case "println":
+ console.log(value);
+ break;
+ case "zoom":
+ if (!isInPresentationMode) {
+ pdfViewer.currentScaleValue = value;
+ }
+ break;
+ case "SaveAs":
+ this.#eventBus.dispatch("download", {
+ source: this
+ });
+ break;
+ case "FirstPage":
+ pdfViewer.currentPageNumber = 1;
+ break;
+ case "LastPage":
+ pdfViewer.currentPageNumber = pdfViewer.pagesCount;
+ break;
+ case "NextPage":
+ pdfViewer.nextPage();
+ break;
+ case "PrevPage":
+ pdfViewer.previousPage();
+ break;
+ case "ZoomViewIn":
+ if (!isInPresentationMode) {
+ pdfViewer.increaseScale();
+ }
+ break;
+ case "ZoomViewOut":
+ if (!isInPresentationMode) {
+ pdfViewer.decreaseScale();
+ }
+ break;
+ case "WillPrintFinished":
+ this.#willPrintCapability?.resolve();
+ this.#willPrintCapability = null;
+ break;
+ }
+ return;
+ }
+ if (isInPresentationMode && detail.focus) {
+ return;
+ }
+ delete detail.id;
+ delete detail.siblings;
+ const ids = siblings ? [id, ...siblings] : [id];
+ for (const elementId of ids) {
+ const element = document.querySelector(`[data-element-id="${elementId}"]`);
+ if (element) {
+ element.dispatchEvent(new CustomEvent("updatefromsandbox", {
+ detail
+ }));
+ } else {
+ this.#pdfDocument?.annotationStorage.setValue(elementId, detail);
+ }
+ }
+ }
+ async #dispatchPageOpen(pageNumber, initialize = false) {
+ const pdfDocument = this.#pdfDocument,
+ visitedPages = this._visitedPages;
+ if (initialize) {
+ this.#closeCapability = Promise.withResolvers();
+ }
+ if (!this.#closeCapability) {
+ return;
+ }
+ const pageView = this.#pdfViewer.getPageView(pageNumber - 1);
+ if (pageView?.renderingState !== RenderingStates.FINISHED) {
+ this._pageOpenPending.add(pageNumber);
+ return;
+ }
+ this._pageOpenPending.delete(pageNumber);
+ const actionsPromise = (async () => {
+ const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null);
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "page",
+ name: "PageOpen",
+ pageNumber,
+ actions
+ });
+ })();
+ visitedPages.set(pageNumber, actionsPromise);
+ }
+ async #dispatchPageClose(pageNumber) {
+ const pdfDocument = this.#pdfDocument,
+ visitedPages = this._visitedPages;
+ if (!this.#closeCapability) {
+ return;
+ }
+ if (this._pageOpenPending.has(pageNumber)) {
+ return;
+ }
+ const actionsPromise = visitedPages.get(pageNumber);
+ if (!actionsPromise) {
+ return;
+ }
+ visitedPages.set(pageNumber, null);
+ await actionsPromise;
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "page",
+ name: "PageClose",
+ pageNumber
+ });
+ }
+ #initScripting() {
+ this.#destroyCapability = Promise.withResolvers();
+ if (this.#scripting) {
+ throw new Error("#initScripting: Scripting already exists.");
+ }
+ return this.#externalServices.createScripting();
+ }
+ async #destroyScripting() {
+ if (!this.#scripting) {
+ this.#pdfDocument = null;
+ this.#destroyCapability?.resolve();
+ return;
+ }
+ if (this.#closeCapability) {
+ await Promise.race([this.#closeCapability.promise, new Promise(resolve => {
+ setTimeout(resolve, 1000);
+ })]).catch(() => {});
+ this.#closeCapability = null;
+ }
+ this.#pdfDocument = null;
+ try {
+ await this.#scripting.destroySandbox();
+ } catch {}
+ this.#willPrintCapability?.reject(new Error("Scripting destroyed."));
+ this.#willPrintCapability = null;
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ this._pageOpenPending.clear();
+ this._visitedPages.clear();
+ this.#scripting = null;
+ this.#ready = false;
+ this.#destroyCapability?.resolve();
+ }
+}
+
+;// ./web/pdf_sidebar.js
+
+const SIDEBAR_WIDTH_VAR = "--sidebar-width";
+const SIDEBAR_MIN_WIDTH = 200;
+const SIDEBAR_RESIZING_CLASS = "sidebarResizing";
+const UI_NOTIFICATION_CLASS = "pdfSidebarNotification";
+class PDFSidebar {
+ #isRTL = false;
+ #mouseAC = null;
+ #outerContainerWidth = null;
+ #width = null;
+ constructor({
+ elements,
+ eventBus,
+ l10n
+ }) {
+ this.isOpen = false;
+ this.active = SidebarView.THUMBS;
+ this.isInitialViewSet = false;
+ this.isInitialEventDispatched = false;
+ this.onToggled = null;
+ this.onUpdateThumbnails = null;
+ this.outerContainer = elements.outerContainer;
+ this.sidebarContainer = elements.sidebarContainer;
+ this.toggleButton = elements.toggleButton;
+ this.resizer = elements.resizer;
+ this.thumbnailButton = elements.thumbnailButton;
+ this.outlineButton = elements.outlineButton;
+ this.attachmentsButton = elements.attachmentsButton;
+ this.layersButton = elements.layersButton;
+ this.thumbnailView = elements.thumbnailView;
+ this.outlineView = elements.outlineView;
+ this.attachmentsView = elements.attachmentsView;
+ this.layersView = elements.layersView;
+ this._currentOutlineItemButton = elements.currentOutlineItemButton;
+ this.eventBus = eventBus;
+ this.#isRTL = l10n.getDirection() === "rtl";
+ this.#addEventListeners();
+ }
+ reset() {
+ this.isInitialViewSet = false;
+ this.isInitialEventDispatched = false;
+ this.#hideUINotification(true);
+ this.switchView(SidebarView.THUMBS);
+ this.outlineButton.disabled = false;
+ this.attachmentsButton.disabled = false;
+ this.layersButton.disabled = false;
+ this._currentOutlineItemButton.disabled = true;
+ }
+ get visibleView() {
+ return this.isOpen ? this.active : SidebarView.NONE;
+ }
+ setInitialView(view = SidebarView.NONE) {
+ if (this.isInitialViewSet) {
+ return;
+ }
+ this.isInitialViewSet = true;
+ if (view === SidebarView.NONE || view === SidebarView.UNKNOWN) {
+ this.#dispatchEvent();
+ return;
+ }
+ this.switchView(view, true);
+ if (!this.isInitialEventDispatched) {
+ this.#dispatchEvent();
+ }
+ }
+ switchView(view, forceOpen = false) {
+ const isViewChanged = view !== this.active;
+ let forceRendering = false;
+ switch (view) {
+ case SidebarView.NONE:
+ if (this.isOpen) {
+ this.close();
+ }
+ return;
+ case SidebarView.THUMBS:
+ if (this.isOpen && isViewChanged) {
+ forceRendering = true;
+ }
+ break;
+ case SidebarView.OUTLINE:
+ if (this.outlineButton.disabled) {
+ return;
+ }
+ break;
+ case SidebarView.ATTACHMENTS:
+ if (this.attachmentsButton.disabled) {
+ return;
+ }
+ break;
+ case SidebarView.LAYERS:
+ if (this.layersButton.disabled) {
+ return;
+ }
+ break;
+ default:
+ console.error(`PDFSidebar.switchView: "${view}" is not a valid view.`);
+ return;
+ }
+ this.active = view;
+ toggleCheckedBtn(this.thumbnailButton, view === SidebarView.THUMBS, this.thumbnailView);
+ toggleCheckedBtn(this.outlineButton, view === SidebarView.OUTLINE, this.outlineView);
+ toggleCheckedBtn(this.attachmentsButton, view === SidebarView.ATTACHMENTS, this.attachmentsView);
+ toggleCheckedBtn(this.layersButton, view === SidebarView.LAYERS, this.layersView);
+ if (forceOpen && !this.isOpen) {
+ this.open();
+ return;
+ }
+ if (forceRendering) {
+ this.onUpdateThumbnails();
+ this.onToggled();
+ }
+ if (isViewChanged) {
+ this.#dispatchEvent();
+ }
+ }
+ open() {
+ if (this.isOpen) {
+ return;
+ }
+ this.isOpen = true;
+ toggleExpandedBtn(this.toggleButton, true);
+ this.outerContainer.classList.add("sidebarMoving", "sidebarOpen");
+ if (this.active === SidebarView.THUMBS) {
+ this.onUpdateThumbnails();
+ }
+ this.onToggled();
+ this.#dispatchEvent();
+ this.#hideUINotification();
+ }
+ close(evt = null) {
+ if (!this.isOpen) {
+ return;
+ }
+ this.isOpen = false;
+ toggleExpandedBtn(this.toggleButton, false);
+ this.outerContainer.classList.add("sidebarMoving");
+ this.outerContainer.classList.remove("sidebarOpen");
+ this.onToggled();
+ this.#dispatchEvent();
+ if (evt?.detail > 0) {
+ this.toggleButton.blur();
+ }
+ }
+ toggle(evt = null) {
+ if (this.isOpen) {
+ this.close(evt);
+ } else {
+ this.open();
+ }
+ }
+ #dispatchEvent() {
+ if (this.isInitialViewSet) {
+ this.isInitialEventDispatched ||= true;
+ }
+ this.eventBus.dispatch("sidebarviewchanged", {
+ source: this,
+ view: this.visibleView
+ });
+ }
+ #showUINotification() {
+ this.toggleButton.setAttribute("data-l10n-id", "pdfjs-toggle-sidebar-notification-button");
+ if (!this.isOpen) {
+ this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
+ }
+ }
+ #hideUINotification(reset = false) {
+ if (this.isOpen || reset) {
+ this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
+ }
+ if (reset) {
+ this.toggleButton.setAttribute("data-l10n-id", "pdfjs-toggle-sidebar-button");
+ }
+ }
+ #addEventListeners() {
+ const {
+ eventBus,
+ outerContainer
+ } = this;
+ this.sidebarContainer.addEventListener("transitionend", evt => {
+ if (evt.target === this.sidebarContainer) {
+ outerContainer.classList.remove("sidebarMoving");
+ eventBus.dispatch("resize", {
+ source: this
+ });
+ }
+ });
+ this.toggleButton.addEventListener("click", evt => {
+ this.toggle(evt);
+ });
+ this.thumbnailButton.addEventListener("click", () => {
+ this.switchView(SidebarView.THUMBS);
+ });
+ this.outlineButton.addEventListener("click", () => {
+ this.switchView(SidebarView.OUTLINE);
+ });
+ this.outlineButton.addEventListener("dblclick", () => {
+ eventBus.dispatch("toggleoutlinetree", {
+ source: this
+ });
+ });
+ this.attachmentsButton.addEventListener("click", () => {
+ this.switchView(SidebarView.ATTACHMENTS);
+ });
+ this.layersButton.addEventListener("click", () => {
+ this.switchView(SidebarView.LAYERS);
+ });
+ this.layersButton.addEventListener("dblclick", () => {
+ eventBus.dispatch("resetlayers", {
+ source: this
+ });
+ });
+ this._currentOutlineItemButton.addEventListener("click", () => {
+ eventBus.dispatch("currentoutlineitem", {
+ source: this
+ });
+ });
+ const onTreeLoaded = (count, button, view) => {
+ button.disabled = !count;
+ if (count) {
+ this.#showUINotification();
+ } else if (this.active === view) {
+ this.switchView(SidebarView.THUMBS);
+ }
+ };
+ eventBus._on("outlineloaded", evt => {
+ onTreeLoaded(evt.outlineCount, this.outlineButton, SidebarView.OUTLINE);
+ evt.currentOutlineItemPromise.then(enabled => {
+ if (!this.isInitialViewSet) {
+ return;
+ }
+ this._currentOutlineItemButton.disabled = !enabled;
+ });
+ });
+ eventBus._on("attachmentsloaded", evt => {
+ onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, SidebarView.ATTACHMENTS);
+ });
+ eventBus._on("layersloaded", evt => {
+ onTreeLoaded(evt.layersCount, this.layersButton, SidebarView.LAYERS);
+ });
+ eventBus._on("presentationmodechanged", evt => {
+ if (evt.state === PresentationModeState.NORMAL && this.visibleView === SidebarView.THUMBS) {
+ this.onUpdateThumbnails();
+ }
+ });
+ this.resizer.addEventListener("mousedown", evt => {
+ if (evt.button !== 0) {
+ return;
+ }
+ outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
+ this.#mouseAC = new AbortController();
+ const opts = {
+ signal: this.#mouseAC.signal
+ };
+ window.addEventListener("mousemove", this.#mouseMove.bind(this), opts);
+ window.addEventListener("mouseup", this.#mouseUp.bind(this), opts);
+ window.addEventListener("blur", this.#mouseUp.bind(this), opts);
+ });
+ eventBus._on("resize", evt => {
+ if (evt.source !== window) {
+ return;
+ }
+ this.#outerContainerWidth = null;
+ if (!this.#width) {
+ return;
+ }
+ if (!this.isOpen) {
+ this.#updateWidth(this.#width);
+ return;
+ }
+ outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
+ const updated = this.#updateWidth(this.#width);
+ Promise.resolve().then(() => {
+ outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
+ if (updated) {
+ eventBus.dispatch("resize", {
+ source: this
+ });
+ }
+ });
+ });
+ }
+ get outerContainerWidth() {
+ return this.#outerContainerWidth ||= this.outerContainer.clientWidth;
+ }
+ #updateWidth(width = 0) {
+ const maxWidth = Math.floor(this.outerContainerWidth / 2);
+ if (width > maxWidth) {
+ width = maxWidth;
+ }
+ if (width < SIDEBAR_MIN_WIDTH) {
+ width = SIDEBAR_MIN_WIDTH;
+ }
+ if (width === this.#width) {
+ return false;
+ }
+ this.#width = width;
+ docStyle.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`);
+ return true;
+ }
+ #mouseMove(evt) {
+ let width = evt.clientX;
+ if (this.#isRTL) {
+ width = this.outerContainerWidth - width;
+ }
+ this.#updateWidth(width);
+ }
+ #mouseUp(evt) {
+ this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
+ this.eventBus.dispatch("resize", {
+ source: this
+ });
+ this.#mouseAC?.abort();
+ this.#mouseAC = null;
+ }
+}
+
+;// ./web/pdf_thumbnail_view.js
+
+
+
+const DRAW_UPSCALE_FACTOR = 2;
+const MAX_NUM_SCALING_STEPS = 3;
+const THUMBNAIL_WIDTH = 98;
+function zeroCanvas(c) {
+ c.width = 0;
+ c.height = 0;
+}
+class TempImageFactory {
+ static #tempCanvas = null;
+ static getCanvas(width, height) {
+ const tempCanvas = this.#tempCanvas ||= document.createElement("canvas");
+ tempCanvas.width = width;
+ tempCanvas.height = height;
+ const ctx = tempCanvas.getContext("2d", {
+ alpha: false
+ });
+ ctx.save();
+ ctx.fillStyle = "rgb(255, 255, 255)";
+ ctx.fillRect(0, 0, width, height);
+ ctx.restore();
+ return [tempCanvas, tempCanvas.getContext("2d")];
+ }
+ static destroyCanvas() {
+ if (this.#tempCanvas) {
+ zeroCanvas(this.#tempCanvas);
+ }
+ this.#tempCanvas = null;
+ }
+}
+class PDFThumbnailView {
+ constructor({
+ container,
+ eventBus,
+ id,
+ defaultViewport,
+ optionalContentConfigPromise,
+ linkService,
+ renderingQueue,
+ maxCanvasPixels,
+ maxCanvasDim,
+ pageColors
+ }) {
+ this.id = id;
+ this.renderingId = "thumbnail" + id;
+ this.pageLabel = null;
+ this.pdfPage = null;
+ this.rotation = 0;
+ this.viewport = defaultViewport;
+ this.pdfPageRotate = defaultViewport.rotation;
+ this._optionalContentConfigPromise = optionalContentConfigPromise || null;
+ this.maxCanvasPixels = maxCanvasPixels ?? AppOptions.get("maxCanvasPixels");
+ this.maxCanvasDim = maxCanvasDim || AppOptions.get("maxCanvasDim");
+ this.pageColors = pageColors || null;
+ this.eventBus = eventBus;
+ this.linkService = linkService;
+ this.renderingQueue = renderingQueue;
+ this.renderTask = null;
+ this.renderingState = RenderingStates.INITIAL;
+ this.resume = null;
+ const anchor = document.createElement("a");
+ anchor.href = linkService.getAnchorUrl("#page=" + id);
+ anchor.setAttribute("data-l10n-id", "pdfjs-thumb-page-title");
+ anchor.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ anchor.onclick = function () {
+ linkService.goToPage(id);
+ return false;
+ };
+ this.anchor = anchor;
+ const div = document.createElement("div");
+ div.className = "thumbnail";
+ div.setAttribute("data-page-number", this.id);
+ this.div = div;
+ this.#updateDims();
+ const img = document.createElement("div");
+ img.className = "thumbnailImage";
+ this._placeholderImg = img;
+ div.append(img);
+ anchor.append(div);
+ container.append(anchor);
+ }
+ #updateDims() {
+ const {
+ width,
+ height
+ } = this.viewport;
+ const ratio = width / height;
+ this.canvasWidth = THUMBNAIL_WIDTH;
+ this.canvasHeight = this.canvasWidth / ratio | 0;
+ this.scale = this.canvasWidth / width;
+ const {
+ style
+ } = this.div;
+ style.setProperty("--thumbnail-width", `${this.canvasWidth}px`);
+ style.setProperty("--thumbnail-height", `${this.canvasHeight}px`);
+ }
+ setPdfPage(pdfPage) {
+ this.pdfPage = pdfPage;
+ this.pdfPageRotate = pdfPage.rotate;
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = pdfPage.getViewport({
+ scale: 1,
+ rotation: totalRotation
+ });
+ this.reset();
+ }
+ reset() {
+ this.cancelRendering();
+ this.renderingState = RenderingStates.INITIAL;
+ this.div.removeAttribute("data-loaded");
+ this.image?.replaceWith(this._placeholderImg);
+ this.#updateDims();
+ if (this.image) {
+ this.image.removeAttribute("src");
+ delete this.image;
+ }
+ }
+ update({
+ rotation = null
+ }) {
+ if (typeof rotation === "number") {
+ this.rotation = rotation;
+ }
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = this.viewport.clone({
+ scale: 1,
+ rotation: totalRotation
+ });
+ this.reset();
+ }
+ cancelRendering() {
+ if (this.renderTask) {
+ this.renderTask.cancel();
+ this.renderTask = null;
+ }
+ this.resume = null;
+ }
+ #getPageDrawContext(upscaleFactor = 1) {
+ const canvas = document.createElement("canvas");
+ const outputScale = new OutputScale();
+ const width = upscaleFactor * this.canvasWidth,
+ height = upscaleFactor * this.canvasHeight;
+ outputScale.limitCanvas(width, height, this.maxCanvasPixels, this.maxCanvasDim);
+ canvas.width = width * outputScale.sx | 0;
+ canvas.height = height * outputScale.sy | 0;
+ const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
+ return {
+ canvas,
+ transform
+ };
+ }
+ #convertCanvasToImage(canvas) {
+ if (this.renderingState !== RenderingStates.FINISHED) {
+ throw new Error("#convertCanvasToImage: Rendering has not finished.");
+ }
+ const reducedCanvas = this.#reduceImage(canvas);
+ const image = document.createElement("img");
+ image.className = "thumbnailImage";
+ image.setAttribute("data-l10n-id", "pdfjs-thumb-page-canvas");
+ image.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ image.src = reducedCanvas.toDataURL();
+ this.image = image;
+ this.div.setAttribute("data-loaded", true);
+ this._placeholderImg.replaceWith(image);
+ zeroCanvas(reducedCanvas);
+ }
+ async draw() {
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ console.error("Must be in new state before drawing");
+ return;
+ }
+ const {
+ pageColors,
+ pdfPage
+ } = this;
+ if (!pdfPage) {
+ this.renderingState = RenderingStates.FINISHED;
+ throw new Error("pdfPage is not loaded");
+ }
+ this.renderingState = RenderingStates.RUNNING;
+ const {
+ canvas,
+ transform
+ } = this.#getPageDrawContext(DRAW_UPSCALE_FACTOR);
+ const drawViewport = this.viewport.clone({
+ scale: DRAW_UPSCALE_FACTOR * this.scale
+ });
+ const renderContinueCallback = cont => {
+ if (!this.renderingQueue.isHighestPriority(this)) {
+ this.renderingState = RenderingStates.PAUSED;
+ this.resume = () => {
+ this.renderingState = RenderingStates.RUNNING;
+ cont();
+ };
+ return;
+ }
+ cont();
+ };
+ const renderContext = {
+ canvas,
+ transform,
+ viewport: drawViewport,
+ optionalContentConfigPromise: this._optionalContentConfigPromise,
+ pageColors
+ };
+ const renderTask = this.renderTask = pdfPage.render(renderContext);
+ renderTask.onContinue = renderContinueCallback;
+ let error = null;
+ try {
+ await renderTask.promise;
+ } catch (e) {
+ if (e instanceof RenderingCancelledException) {
+ zeroCanvas(canvas);
+ return;
+ }
+ error = e;
+ } finally {
+ if (renderTask === this.renderTask) {
+ this.renderTask = null;
+ }
+ }
+ this.renderingState = RenderingStates.FINISHED;
+ this.#convertCanvasToImage(canvas);
+ zeroCanvas(canvas);
+ this.eventBus.dispatch("thumbnailrendered", {
+ source: this,
+ pageNumber: this.id,
+ pdfPage
+ });
+ if (error) {
+ throw error;
+ }
+ }
+ setImage(pageView) {
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ return;
+ }
+ const {
+ thumbnailCanvas: canvas,
+ pdfPage,
+ scale
+ } = pageView;
+ if (!canvas) {
+ return;
+ }
+ if (!this.pdfPage) {
+ this.setPdfPage(pdfPage);
+ }
+ if (scale < this.scale) {
+ return;
+ }
+ this.renderingState = RenderingStates.FINISHED;
+ this.#convertCanvasToImage(canvas);
+ }
+ #getReducedImageDims(canvas) {
+ const width = canvas.width << MAX_NUM_SCALING_STEPS,
+ height = canvas.height << MAX_NUM_SCALING_STEPS;
+ const outputScale = new OutputScale();
+ outputScale.sx = outputScale.sy = 1;
+ outputScale.limitCanvas(width, height, this.maxCanvasPixels, this.maxCanvasDim);
+ return [width * outputScale.sx | 0, height * outputScale.sy | 0];
+ }
+ #reduceImage(img) {
+ const {
+ canvas
+ } = this.#getPageDrawContext(1);
+ const ctx = canvas.getContext("2d", {
+ alpha: false,
+ willReadFrequently: false
+ });
+ if (img.width <= 2 * canvas.width) {
+ ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
+ return canvas;
+ }
+ let [reducedWidth, reducedHeight] = this.#getReducedImageDims(canvas);
+ const [reducedImage, reducedImageCtx] = TempImageFactory.getCanvas(reducedWidth, reducedHeight);
+ while (reducedWidth > img.width || reducedHeight > img.height) {
+ reducedWidth >>= 1;
+ reducedHeight >>= 1;
+ }
+ reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
+ while (reducedWidth > 2 * canvas.width) {
+ reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
+ reducedWidth >>= 1;
+ reducedHeight >>= 1;
+ }
+ ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
+ return canvas;
+ }
+ get #pageL10nArgs() {
+ return JSON.stringify({
+ page: this.pageLabel ?? this.id
+ });
+ }
+ setPageLabel(label) {
+ this.pageLabel = typeof label === "string" ? label : null;
+ this.anchor.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ if (this.renderingState !== RenderingStates.FINISHED) {
+ return;
+ }
+ this.image?.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ }
+}
+
+;// ./web/pdf_thumbnail_viewer.js
+
+
+const THUMBNAIL_SCROLL_MARGIN = -19;
+const THUMBNAIL_SELECTED_CLASS = "selected";
+class PDFThumbnailViewer {
+ constructor({
+ container,
+ eventBus,
+ linkService,
+ renderingQueue,
+ maxCanvasPixels,
+ maxCanvasDim,
+ pageColors,
+ abortSignal,
+ enableHWA
+ }) {
+ this.container = container;
+ this.eventBus = eventBus;
+ this.linkService = linkService;
+ this.renderingQueue = renderingQueue;
+ this.maxCanvasPixels = maxCanvasPixels;
+ this.maxCanvasDim = maxCanvasDim;
+ this.pageColors = pageColors || null;
+ this.enableHWA = enableHWA || false;
+ this.scroll = watchScroll(this.container, this.#scrollUpdated.bind(this), abortSignal);
+ this.#resetView();
+ }
+ #scrollUpdated() {
+ this.renderingQueue.renderHighestPriority();
+ }
+ getThumbnail(index) {
+ return this._thumbnails[index];
+ }
+ #getVisibleThumbs() {
+ return getVisibleElements({
+ scrollEl: this.container,
+ views: this._thumbnails
+ });
+ }
+ scrollThumbnailIntoView(pageNumber) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const thumbnailView = this._thumbnails[pageNumber - 1];
+ if (!thumbnailView) {
+ console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
+ return;
+ }
+ if (pageNumber !== this._currentPageNumber) {
+ const prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
+ prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
+ thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
+ }
+ const {
+ first,
+ last,
+ views
+ } = this.#getVisibleThumbs();
+ if (views.length > 0) {
+ let shouldScroll = false;
+ if (pageNumber <= first.id || pageNumber >= last.id) {
+ shouldScroll = true;
+ } else {
+ for (const {
+ id,
+ percent
+ } of views) {
+ if (id !== pageNumber) {
+ continue;
+ }
+ shouldScroll = percent < 100;
+ break;
+ }
+ }
+ if (shouldScroll) {
+ scrollIntoView(thumbnailView.div, {
+ top: THUMBNAIL_SCROLL_MARGIN
+ });
+ }
+ }
+ this._currentPageNumber = pageNumber;
+ }
+ get pagesRotation() {
+ return this._pagesRotation;
+ }
+ set pagesRotation(rotation) {
+ if (!isValidRotation(rotation)) {
+ throw new Error("Invalid thumbnails rotation angle.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (this._pagesRotation === rotation) {
+ return;
+ }
+ this._pagesRotation = rotation;
+ const updateArgs = {
+ rotation
+ };
+ for (const thumbnail of this._thumbnails) {
+ thumbnail.update(updateArgs);
+ }
+ }
+ cleanup() {
+ for (const thumbnail of this._thumbnails) {
+ if (thumbnail.renderingState !== RenderingStates.FINISHED) {
+ thumbnail.reset();
+ }
+ }
+ TempImageFactory.destroyCanvas();
+ }
+ #resetView() {
+ this._thumbnails = [];
+ this._currentPageNumber = 1;
+ this._pageLabels = null;
+ this._pagesRotation = 0;
+ this.container.textContent = "";
+ }
+ setDocument(pdfDocument) {
+ if (this.pdfDocument) {
+ this.#cancelRendering();
+ this.#resetView();
+ }
+ this.pdfDocument = pdfDocument;
+ if (!pdfDocument) {
+ return;
+ }
+ const firstPagePromise = pdfDocument.getPage(1);
+ const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ });
+ firstPagePromise.then(firstPdfPage => {
+ const pagesCount = pdfDocument.numPages;
+ const viewport = firstPdfPage.getViewport({
+ scale: 1
+ });
+ for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
+ const thumbnail = new PDFThumbnailView({
+ container: this.container,
+ eventBus: this.eventBus,
+ id: pageNum,
+ defaultViewport: viewport.clone(),
+ optionalContentConfigPromise,
+ linkService: this.linkService,
+ renderingQueue: this.renderingQueue,
+ maxCanvasPixels: this.maxCanvasPixels,
+ maxCanvasDim: this.maxCanvasDim,
+ pageColors: this.pageColors,
+ enableHWA: this.enableHWA
+ });
+ this._thumbnails.push(thumbnail);
+ }
+ this._thumbnails[0]?.setPdfPage(firstPdfPage);
+ const thumbnailView = this._thumbnails[this._currentPageNumber - 1];
+ thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
+ }).catch(reason => {
+ console.error("Unable to initialize thumbnail viewer", reason);
+ });
+ }
+ #cancelRendering() {
+ for (const thumbnail of this._thumbnails) {
+ thumbnail.cancelRendering();
+ }
+ }
+ setPageLabels(labels) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!labels) {
+ this._pageLabels = null;
+ } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
+ this._pageLabels = null;
+ console.error("PDFThumbnailViewer_setPageLabels: Invalid page labels.");
+ } else {
+ this._pageLabels = labels;
+ }
+ for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
+ this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null);
+ }
+ }
+ async #ensurePdfPageLoaded(thumbView) {
+ if (thumbView.pdfPage) {
+ return thumbView.pdfPage;
+ }
+ try {
+ const pdfPage = await this.pdfDocument.getPage(thumbView.id);
+ if (!thumbView.pdfPage) {
+ thumbView.setPdfPage(pdfPage);
+ }
+ return pdfPage;
+ } catch (reason) {
+ console.error("Unable to get page for thumb view", reason);
+ return null;
+ }
+ }
+ #getScrollAhead(visible) {
+ if (visible.first?.id === 1) {
+ return true;
+ } else if (visible.last?.id === this._thumbnails.length) {
+ return false;
+ }
+ return this.scroll.down;
+ }
+ forceRendering() {
+ const visibleThumbs = this.#getVisibleThumbs();
+ const scrollAhead = this.#getScrollAhead(visibleThumbs);
+ const thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, scrollAhead, false, true);
+ if (thumbView) {
+ this.#ensurePdfPageLoaded(thumbView).then(() => {
+ this.renderingQueue.renderView(thumbView);
+ });
+ return true;
+ }
+ return false;
+ }
+}
+
+;// ./web/annotation_editor_layer_builder.js
+
+
+class AnnotationEditorLayerBuilder {
+ #annotationLayer = null;
+ #drawLayer = null;
+ #onAppend = null;
+ #structTreeLayer = null;
+ #textLayer = null;
+ #uiManager;
+ constructor(options) {
+ this.pdfPage = options.pdfPage;
+ this.accessibilityManager = options.accessibilityManager;
+ this.l10n = options.l10n;
+ this.l10n ||= new genericl10n_GenericL10n();
+ this.annotationEditorLayer = null;
+ this.div = null;
+ this._cancelled = false;
+ this.#uiManager = options.uiManager;
+ this.#annotationLayer = options.annotationLayer || null;
+ this.#textLayer = options.textLayer || null;
+ this.#drawLayer = options.drawLayer || null;
+ this.#onAppend = options.onAppend || null;
+ this.#structTreeLayer = options.structTreeLayer || null;
+ }
+ async render({
+ viewport,
+ intent = "display"
+ }) {
+ if (intent !== "display") {
+ return;
+ }
+ if (this._cancelled) {
+ return;
+ }
+ const clonedViewport = viewport.clone({
+ dontFlip: true
+ });
+ if (this.div) {
+ this.annotationEditorLayer.update({
+ viewport: clonedViewport
+ });
+ this.show();
+ return;
+ }
+ const div = this.div = document.createElement("div");
+ div.className = "annotationEditorLayer";
+ div.hidden = true;
+ div.dir = this.#uiManager.direction;
+ this.#onAppend?.(div);
+ this.annotationEditorLayer = new AnnotationEditorLayer({
+ uiManager: this.#uiManager,
+ div,
+ structTreeLayer: this.#structTreeLayer,
+ accessibilityManager: this.accessibilityManager,
+ pageIndex: this.pdfPage.pageNumber - 1,
+ l10n: this.l10n,
+ viewport: clonedViewport,
+ annotationLayer: this.#annotationLayer,
+ textLayer: this.#textLayer,
+ drawLayer: this.#drawLayer
+ });
+ const parameters = {
+ viewport: clonedViewport,
+ div,
+ annotations: null,
+ intent
+ };
+ this.annotationEditorLayer.render(parameters);
+ this.show();
+ }
+ cancel() {
+ this._cancelled = true;
+ if (!this.div) {
+ return;
+ }
+ this.annotationEditorLayer.destroy();
+ }
+ hide() {
+ if (!this.div) {
+ return;
+ }
+ this.annotationEditorLayer.pause(true);
+ this.div.hidden = true;
+ }
+ show() {
+ if (!this.div || this.annotationEditorLayer.isInvisible) {
+ return;
+ }
+ this.div.hidden = false;
+ this.annotationEditorLayer.pause(false);
+ }
+}
+
+;// ./web/annotation_layer_builder.js
+
+
+class AnnotationLayerBuilder {
+ #annotations = null;
+ #commentManager = null;
+ #externalHide = false;
+ #onAppend = null;
+ #eventAbortController = null;
+ #linksInjected = false;
+ constructor({
+ pdfPage,
+ linkService,
+ downloadManager,
+ annotationStorage = null,
+ imageResourcesPath = "",
+ renderForms = true,
+ enableComment = false,
+ commentManager = null,
+ enableScripting = false,
+ hasJSActionsPromise = null,
+ fieldObjectsPromise = null,
+ annotationCanvasMap = null,
+ accessibilityManager = null,
+ annotationEditorUIManager = null,
+ onAppend = null
+ }) {
+ this.pdfPage = pdfPage;
+ this.linkService = linkService;
+ this.downloadManager = downloadManager;
+ this.imageResourcesPath = imageResourcesPath;
+ this.renderForms = renderForms;
+ this.annotationStorage = annotationStorage;
+ this.enableComment = enableComment;
+ this.#commentManager = commentManager;
+ this.enableScripting = enableScripting;
+ this._hasJSActionsPromise = hasJSActionsPromise || Promise.resolve(false);
+ this._fieldObjectsPromise = fieldObjectsPromise || Promise.resolve(null);
+ this._annotationCanvasMap = annotationCanvasMap;
+ this._accessibilityManager = accessibilityManager;
+ this._annotationEditorUIManager = annotationEditorUIManager;
+ this.#onAppend = onAppend;
+ this.annotationLayer = null;
+ this.div = null;
+ this._cancelled = false;
+ this._eventBus = linkService.eventBus;
+ }
+ async render({
+ viewport,
+ intent = "display",
+ structTreeLayer = null
+ }) {
+ if (this.div) {
+ if (this._cancelled || !this.annotationLayer) {
+ return;
+ }
+ this.annotationLayer.update({
+ viewport: viewport.clone({
+ dontFlip: true
+ })
+ });
+ return;
+ }
+ const [annotations, hasJSActions, fieldObjects] = await Promise.all([this.pdfPage.getAnnotations({
+ intent
+ }), this._hasJSActionsPromise, this._fieldObjectsPromise]);
+ if (this._cancelled) {
+ return;
+ }
+ const div = this.div = document.createElement("div");
+ div.className = "annotationLayer";
+ this.#onAppend?.(div);
+ this.#initAnnotationLayer(viewport, structTreeLayer);
+ if (annotations.length === 0) {
+ this.#annotations = annotations;
+ setLayerDimensions(this.div, viewport);
+ return;
+ }
+ await this.annotationLayer.render({
+ annotations,
+ imageResourcesPath: this.imageResourcesPath,
+ renderForms: this.renderForms,
+ downloadManager: this.downloadManager,
+ enableComment: this.enableComment,
+ enableScripting: this.enableScripting,
+ hasJSActions,
+ fieldObjects
+ });
+ this.#annotations = annotations;
+ if (this.linkService.isInPresentationMode) {
+ this.#updatePresentationModeState(PresentationModeState.FULLSCREEN);
+ }
+ if (!this.#eventAbortController) {
+ this.#eventAbortController = new AbortController();
+ this._eventBus?._on("presentationmodechanged", evt => {
+ this.#updatePresentationModeState(evt.state);
+ }, {
+ signal: this.#eventAbortController.signal
+ });
+ }
+ }
+ #initAnnotationLayer(viewport, structTreeLayer) {
+ this.annotationLayer = new AnnotationLayer({
+ div: this.div,
+ accessibilityManager: this._accessibilityManager,
+ annotationCanvasMap: this._annotationCanvasMap,
+ annotationEditorUIManager: this._annotationEditorUIManager,
+ annotationStorage: this.annotationStorage,
+ page: this.pdfPage,
+ viewport: viewport.clone({
+ dontFlip: true
+ }),
+ structTreeLayer,
+ commentManager: this.#commentManager,
+ linkService: this.linkService
+ });
+ }
+ cancel() {
+ this._cancelled = true;
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ }
+ hide(internal = false) {
+ this.#externalHide = !internal;
+ if (!this.div) {
+ return;
+ }
+ this.div.hidden = true;
+ }
+ hasEditableAnnotations() {
+ return !!this.annotationLayer?.hasEditableAnnotations();
+ }
+ async injectLinkAnnotations(inferredLinks) {
+ if (this.#annotations === null) {
+ throw new Error("`render` method must be called before `injectLinkAnnotations`.");
+ }
+ if (this._cancelled || this.#linksInjected) {
+ return;
+ }
+ this.#linksInjected = true;
+ const newLinks = this.#annotations.length ? this.#checkInferredLinks(inferredLinks) : inferredLinks;
+ if (!newLinks.length) {
+ return;
+ }
+ await this.annotationLayer.addLinkAnnotations(newLinks);
+ if (!this.#externalHide) {
+ this.div.hidden = false;
+ }
+ }
+ #updatePresentationModeState(state) {
+ if (!this.div) {
+ return;
+ }
+ let disableFormElements = false;
+ switch (state) {
+ case PresentationModeState.FULLSCREEN:
+ disableFormElements = true;
+ break;
+ case PresentationModeState.NORMAL:
+ break;
+ default:
+ return;
+ }
+ for (const section of this.div.childNodes) {
+ if (section.hasAttribute("data-internal-link")) {
+ continue;
+ }
+ section.inert = disableFormElements;
+ }
+ }
+ #checkInferredLinks(inferredLinks) {
+ function annotationRects(annot) {
+ if (!annot.quadPoints) {
+ return [annot.rect];
+ }
+ const rects = [];
+ for (let i = 2, ii = annot.quadPoints.length; i < ii; i += 8) {
+ const trX = annot.quadPoints[i];
+ const trY = annot.quadPoints[i + 1];
+ const blX = annot.quadPoints[i + 2];
+ const blY = annot.quadPoints[i + 3];
+ rects.push([blX, blY, trX, trY]);
+ }
+ return rects;
+ }
+ function intersectAnnotations(annot1, annot2) {
+ const intersections = [];
+ const annot1Rects = annotationRects(annot1);
+ const annot2Rects = annotationRects(annot2);
+ for (const rect1 of annot1Rects) {
+ for (const rect2 of annot2Rects) {
+ const intersection = Util.intersect(rect1, rect2);
+ if (intersection) {
+ intersections.push(intersection);
+ }
+ }
+ }
+ return intersections;
+ }
+ function areaRects(rects) {
+ let totalArea = 0;
+ for (const rect of rects) {
+ totalArea += Math.abs((rect[2] - rect[0]) * (rect[3] - rect[1]));
+ }
+ return totalArea;
+ }
+ return inferredLinks.filter(link => {
+ let linkAreaRects;
+ for (const annotation of this.#annotations) {
+ if (annotation.annotationType !== AnnotationType.LINK || !annotation.url) {
+ continue;
+ }
+ const intersections = intersectAnnotations(annotation, link);
+ if (intersections.length === 0) {
+ continue;
+ }
+ linkAreaRects ??= areaRects(annotationRects(link));
+ if (areaRects(intersections) / linkAreaRects > 0.5) {
+ return false;
+ }
+ }
+ return true;
+ });
+ }
+}
+
+;// ./web/autolinker.js
+
+
+function DOMRectToPDF({
+ width,
+ height,
+ left,
+ top
+}, pdfPageView) {
+ if (width === 0 || height === 0) {
+ return null;
+ }
+ const pageBox = pdfPageView.textLayer.div.getBoundingClientRect();
+ const bottomLeft = pdfPageView.getPagePoint(left - pageBox.left, top - pageBox.top);
+ const topRight = pdfPageView.getPagePoint(left - pageBox.left + width, top - pageBox.top + height);
+ return Util.normalizeRect([bottomLeft[0], bottomLeft[1], topRight[0], topRight[1]]);
+}
+function calculateLinkPosition(range, pdfPageView) {
+ const rangeRects = range.getClientRects();
+ if (rangeRects.length === 1) {
+ return {
+ rect: DOMRectToPDF(rangeRects[0], pdfPageView)
+ };
+ }
+ const rect = [Infinity, Infinity, -Infinity, -Infinity];
+ const quadPoints = [];
+ let i = 0;
+ for (const domRect of rangeRects) {
+ const normalized = DOMRectToPDF(domRect, pdfPageView);
+ if (normalized === null) {
+ continue;
+ }
+ quadPoints[i] = quadPoints[i + 4] = normalized[0];
+ quadPoints[i + 1] = quadPoints[i + 3] = normalized[3];
+ quadPoints[i + 2] = quadPoints[i + 6] = normalized[2];
+ quadPoints[i + 5] = quadPoints[i + 7] = normalized[1];
+ Util.rectBoundingBox(...normalized, rect);
+ i += 8;
+ }
+ return {
+ quadPoints,
+ rect
+ };
+}
+function textPosition(container, offset) {
+ let currentContainer = container;
+ do {
+ if (currentContainer.nodeType === Node.TEXT_NODE) {
+ const currentLength = currentContainer.textContent.length;
+ if (offset <= currentLength) {
+ return [currentContainer, offset];
+ }
+ offset -= currentLength;
+ } else if (currentContainer.firstChild) {
+ currentContainer = currentContainer.firstChild;
+ continue;
+ }
+ while (!currentContainer.nextSibling && currentContainer !== container) {
+ currentContainer = currentContainer.parentNode;
+ }
+ if (currentContainer !== container) {
+ currentContainer = currentContainer.nextSibling;
+ }
+ } while (currentContainer !== container);
+ throw new Error("Offset is bigger than container's contents length.");
+}
+function createLinkAnnotation({
+ url,
+ index,
+ length
+}, pdfPageView, id) {
+ const highlighter = pdfPageView._textHighlighter;
+ const [{
+ begin,
+ end
+ }] = highlighter._convertMatches([index], [length]);
+ const range = new Range();
+ range.setStart(...textPosition(highlighter.textDivs[begin.divIdx], begin.offset));
+ range.setEnd(...textPosition(highlighter.textDivs[end.divIdx], end.offset));
+ return {
+ id: `inferred_link_${id}`,
+ unsafeUrl: url,
+ url,
+ annotationType: AnnotationType.LINK,
+ rotation: 0,
+ ...calculateLinkPosition(range, pdfPageView),
+ borderStyle: null
+ };
+}
+class Autolinker {
+ static #index = 0;
+ static #regex;
+ static findLinks(text) {
+ this.#regex ??= /\b(?:https?:\/\/|mailto:|www\.)(?:[\S--[\p{P}<>]]|\/|[\S--[\[\]]]+[\S--[\p{P}<>]])+|\b[\S--[@\p{Ps}\p{Pe}<>]]+@([\S--[\p{P}<>]]+(?:\.[\S--[\p{P}<>]]+)+)/gmv;
+ const [normalizedText, diffs] = normalize(text, {
+ ignoreDashEOL: true
+ });
+ const matches = normalizedText.matchAll(this.#regex);
+ const links = [];
+ for (const match of matches) {
+ const [url, emailDomain] = match;
+ let raw;
+ if (url.startsWith("www.") || url.startsWith("http://") || url.startsWith("https://")) {
+ raw = url;
+ } else if (URL.canParse(`http://${emailDomain}`)) {
+ raw = url.startsWith("mailto:") ? url : `mailto:${url}`;
+ } else {
+ continue;
+ }
+ const absoluteURL = createValidAbsoluteUrl(raw, null, {
+ addDefaultProtocol: true
+ });
+ if (absoluteURL) {
+ const [index, length] = getOriginalIndex(diffs, match.index, url.length);
+ links.push({
+ url: absoluteURL.href,
+ index,
+ length
+ });
+ }
+ }
+ return links;
+ }
+ static processLinks(pdfPageView) {
+ return this.findLinks(pdfPageView._textHighlighter.textContentItemsStr.join("\n")).map(link => createLinkAnnotation(link, pdfPageView, this.#index++));
+ }
+}
+
+;// ./web/base_pdf_page_view.js
+
+
+class BasePDFPageView {
+ #loadingId = null;
+ #minDurationToUpdateCanvas = 0;
+ #renderError = null;
+ #renderingState = RenderingStates.INITIAL;
+ #showCanvas = null;
+ #startTime = 0;
+ #tempCanvas = null;
+ canvas = null;
+ div = null;
+ enableOptimizedPartialRendering = false;
+ eventBus = null;
+ id = null;
+ pageColors = null;
+ recordedBBoxes = null;
+ renderingQueue = null;
+ renderTask = null;
+ resume = null;
+ constructor(options) {
+ this.eventBus = options.eventBus;
+ this.id = options.id;
+ this.pageColors = options.pageColors || null;
+ this.renderingQueue = options.renderingQueue;
+ this.enableOptimizedPartialRendering = options.enableOptimizedPartialRendering ?? false;
+ this.#minDurationToUpdateCanvas = options.minDurationToUpdateCanvas ?? 500;
+ }
+ get renderingState() {
+ return this.#renderingState;
+ }
+ set renderingState(state) {
+ if (state === this.#renderingState) {
+ return;
+ }
+ this.#renderingState = state;
+ if (this.#loadingId) {
+ clearTimeout(this.#loadingId);
+ this.#loadingId = null;
+ }
+ switch (state) {
+ case RenderingStates.PAUSED:
+ this.div.classList.remove("loading");
+ this.#startTime = 0;
+ this.#showCanvas?.(false);
+ break;
+ case RenderingStates.RUNNING:
+ this.div.classList.add("loadingIcon");
+ this.#loadingId = setTimeout(() => {
+ this.div.classList.add("loading");
+ this.#loadingId = null;
+ }, 0);
+ this.#startTime = Date.now();
+ break;
+ case RenderingStates.INITIAL:
+ case RenderingStates.FINISHED:
+ this.div.classList.remove("loadingIcon", "loading");
+ this.#startTime = 0;
+ break;
+ }
+ }
+ _createCanvas(onShow, hideUntilComplete = false) {
+ const {
+ pageColors
+ } = this;
+ const hasHCM = !!(pageColors?.background && pageColors?.foreground);
+ const prevCanvas = this.canvas;
+ const updateOnFirstShow = !prevCanvas && !hasHCM && !hideUntilComplete;
+ let canvas = this.canvas = document.createElement("canvas");
+ this.#showCanvas = isLastShow => {
+ if (updateOnFirstShow) {
+ let tempCanvas = this.#tempCanvas;
+ if (!isLastShow && this.#minDurationToUpdateCanvas > 0) {
+ if (Date.now() - this.#startTime < this.#minDurationToUpdateCanvas) {
+ return;
+ }
+ if (!tempCanvas) {
+ tempCanvas = this.#tempCanvas = canvas;
+ canvas = this.canvas = canvas.cloneNode(false);
+ onShow(canvas);
+ }
+ }
+ if (tempCanvas) {
+ const ctx = canvas.getContext("2d", {
+ alpha: false
+ });
+ ctx.drawImage(tempCanvas, 0, 0);
+ if (isLastShow) {
+ this.#resetTempCanvas();
+ } else {
+ this.#startTime = Date.now();
+ }
+ return;
+ }
+ onShow(canvas);
+ this.#showCanvas = null;
+ return;
+ }
+ if (!isLastShow) {
+ return;
+ }
+ if (prevCanvas) {
+ prevCanvas.replaceWith(canvas);
+ prevCanvas.width = prevCanvas.height = 0;
+ } else {
+ onShow(canvas);
+ }
+ };
+ return {
+ canvas,
+ prevCanvas
+ };
+ }
+ #renderContinueCallback = cont => {
+ this.#showCanvas?.(false);
+ if (this.renderingQueue && !this.renderingQueue.isHighestPriority(this)) {
+ this.renderingState = RenderingStates.PAUSED;
+ this.resume = () => {
+ this.renderingState = RenderingStates.RUNNING;
+ cont();
+ };
+ return;
+ }
+ cont();
+ };
+ _resetCanvas() {
+ const {
+ canvas
+ } = this;
+ if (!canvas) {
+ return;
+ }
+ canvas.remove();
+ canvas.width = canvas.height = 0;
+ this.canvas = null;
+ this.#resetTempCanvas();
+ }
+ #resetTempCanvas() {
+ if (this.#tempCanvas) {
+ this.#tempCanvas.width = this.#tempCanvas.height = 0;
+ this.#tempCanvas = null;
+ }
+ }
+ async _drawCanvas(options, onCancel, onFinish) {
+ const renderTask = this.renderTask = this.pdfPage.render(options);
+ renderTask.onContinue = this.#renderContinueCallback;
+ renderTask.onError = error => {
+ if (error instanceof RenderingCancelledException) {
+ onCancel();
+ this.#renderError = null;
+ }
+ };
+ let error = null;
+ try {
+ await renderTask.promise;
+ this.#showCanvas?.(true);
+ } catch (e) {
+ if (e instanceof RenderingCancelledException) {
+ return;
+ }
+ error = e;
+ this.#showCanvas?.(true);
+ } finally {
+ this.#renderError = error;
+ if (renderTask === this.renderTask) {
+ this.renderTask = null;
+ if (this.enableOptimizedPartialRendering) {
+ this.recordedBBoxes ??= renderTask.recordedBBoxes;
+ }
+ }
+ }
+ this.renderingState = RenderingStates.FINISHED;
+ onFinish(renderTask);
+ if (error) {
+ throw error;
+ }
+ }
+ cancelRendering({
+ cancelExtraDelay = 0
+ } = {}) {
+ if (this.renderTask) {
+ this.renderTask.cancel(cancelExtraDelay);
+ this.renderTask = null;
+ }
+ this.resume = null;
+ }
+ dispatchPageRender() {
+ this.eventBus.dispatch("pagerender", {
+ source: this,
+ pageNumber: this.id
+ });
+ }
+ dispatchPageRendered(cssTransform, isDetailView) {
+ this.eventBus.dispatch("pagerendered", {
+ source: this,
+ pageNumber: this.id,
+ cssTransform,
+ isDetailView,
+ timestamp: performance.now(),
+ error: this.#renderError
+ });
+ }
+}
+
+;// ./web/draw_layer_builder.js
+
+class DrawLayerBuilder {
+ #drawLayer = null;
+ constructor(options) {
+ this.pageIndex = options.pageIndex;
+ }
+ async render({
+ intent = "display"
+ }) {
+ if (intent !== "display" || this.#drawLayer || this._cancelled) {
+ return;
+ }
+ this.#drawLayer = new DrawLayer({
+ pageIndex: this.pageIndex
+ });
+ }
+ cancel() {
+ this._cancelled = true;
+ if (!this.#drawLayer) {
+ return;
+ }
+ this.#drawLayer.destroy();
+ this.#drawLayer = null;
+ }
+ setParent(parent) {
+ this.#drawLayer?.setParent(parent);
+ }
+ getDrawLayer() {
+ return this.#drawLayer;
+ }
+}
+
+;// ./web/pdf_page_detail_view.js
+
+
+
+class PDFPageDetailView extends BasePDFPageView {
+ #detailArea = null;
+ renderingCancelled = false;
+ constructor({
+ pageView
+ }) {
+ super(pageView);
+ this.pageView = pageView;
+ this.renderingId = "detail" + this.id;
+ this.div = pageView.div;
+ }
+ setPdfPage(pdfPage) {
+ this.pageView.setPdfPage(pdfPage);
+ }
+ get pdfPage() {
+ return this.pageView.pdfPage;
+ }
+ get renderingState() {
+ return super.renderingState;
+ }
+ set renderingState(value) {
+ this.renderingCancelled = false;
+ super.renderingState = value;
+ }
+ reset({
+ keepCanvas = false
+ } = {}) {
+ const renderingCancelled = this.renderingCancelled || this.renderingState === RenderingStates.RUNNING || this.renderingState === RenderingStates.PAUSED;
+ this.cancelRendering();
+ this.renderingState = RenderingStates.INITIAL;
+ this.renderingCancelled = renderingCancelled;
+ if (!keepCanvas) {
+ this._resetCanvas();
+ }
+ }
+ #shouldRenderDifferentArea(visibleArea) {
+ if (!this.#detailArea) {
+ return true;
+ }
+ const minDetailX = this.#detailArea.minX;
+ const minDetailY = this.#detailArea.minY;
+ const maxDetailX = this.#detailArea.width + minDetailX;
+ const maxDetailY = this.#detailArea.height + minDetailY;
+ if (visibleArea.minX < minDetailX || visibleArea.minY < minDetailY || visibleArea.maxX > maxDetailX || visibleArea.maxY > maxDetailY) {
+ return true;
+ }
+ const {
+ width: maxWidth,
+ height: maxHeight,
+ scale
+ } = this.pageView.viewport;
+ if (this.#detailArea.scale !== scale) {
+ return true;
+ }
+ const paddingLeftSize = visibleArea.minX - minDetailX;
+ const paddingRightSize = maxDetailX - visibleArea.maxX;
+ const paddingTopSize = visibleArea.minY - minDetailY;
+ const paddingBottomSize = maxDetailY - visibleArea.maxY;
+ const MOVEMENT_THRESHOLD = 0.5;
+ const ratio = (1 + MOVEMENT_THRESHOLD) / MOVEMENT_THRESHOLD;
+ if (minDetailX > 0 && paddingRightSize / paddingLeftSize > ratio || maxDetailX < maxWidth && paddingLeftSize / paddingRightSize > ratio || minDetailY > 0 && paddingBottomSize / paddingTopSize > ratio || maxDetailY < maxHeight && paddingTopSize / paddingBottomSize > ratio) {
+ return true;
+ }
+ return false;
+ }
+ update({
+ visibleArea = null,
+ underlyingViewUpdated = false
+ } = {}) {
+ if (underlyingViewUpdated) {
+ this.cancelRendering();
+ this.renderingState = RenderingStates.INITIAL;
+ return;
+ }
+ if (!this.#shouldRenderDifferentArea(visibleArea)) {
+ return;
+ }
+ const {
+ viewport,
+ maxCanvasPixels,
+ capCanvasAreaFactor
+ } = this.pageView;
+ const visibleWidth = visibleArea.maxX - visibleArea.minX;
+ const visibleHeight = visibleArea.maxY - visibleArea.minY;
+ const visiblePixels = visibleWidth * visibleHeight * OutputScale.pixelRatio ** 2;
+ const maxDetailToVisibleLinearRatio = Math.sqrt(OutputScale.capPixels(maxCanvasPixels, capCanvasAreaFactor) / visiblePixels);
+ const maxOverflowScale = (maxDetailToVisibleLinearRatio - 1) / 2;
+ let overflowScale = Math.min(1, maxOverflowScale);
+ if (overflowScale < 0) {
+ overflowScale = 0;
+ }
+ const overflowWidth = visibleWidth * overflowScale;
+ const overflowHeight = visibleHeight * overflowScale;
+ const minX = Math.max(0, visibleArea.minX - overflowWidth);
+ const maxX = Math.min(viewport.width, visibleArea.maxX + overflowWidth);
+ const minY = Math.max(0, visibleArea.minY - overflowHeight);
+ const maxY = Math.min(viewport.height, visibleArea.maxY + overflowHeight);
+ const width = maxX - minX;
+ const height = maxY - minY;
+ this.#detailArea = {
+ minX,
+ minY,
+ width,
+ height,
+ scale: viewport.scale
+ };
+ this.reset({
+ keepCanvas: true
+ });
+ }
+ _getRenderingContext(canvas, transform) {
+ const baseContext = this.pageView._getRenderingContext(canvas, transform, false);
+ const recordedBBoxes = this.pdfPage.recordedBBoxes;
+ if (!recordedBBoxes || !this.enableOptimizedPartialRendering) {
+ return baseContext;
+ }
+ const {
+ viewport: {
+ width: vWidth,
+ height: vHeight
+ }
+ } = this.pageView;
+ const {
+ width: aWidth,
+ height: aHeight,
+ minX: aMinX,
+ minY: aMinY
+ } = this.#detailArea;
+ const detailMinX = aMinX / vWidth;
+ const detailMinY = aMinY / vHeight;
+ const detailMaxX = (aMinX + aWidth) / vWidth;
+ const detailMaxY = (aMinY + aHeight) / vHeight;
+ return {
+ ...baseContext,
+ operationsFilter(index) {
+ if (recordedBBoxes.isEmpty(index)) {
+ return false;
+ }
+ return recordedBBoxes.minX(index) <= detailMaxX && recordedBBoxes.maxX(index) >= detailMinX && recordedBBoxes.minY(index) <= detailMaxY && recordedBBoxes.maxY(index) >= detailMinY;
+ }
+ };
+ }
+ async draw() {
+ if (this.pageView.detailView !== this) {
+ return undefined;
+ }
+ const hideUntilComplete = this.pageView.renderingState === RenderingStates.FINISHED || this.renderingState === RenderingStates.FINISHED;
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ console.error("Must be in new state before drawing");
+ this.reset();
+ }
+ const {
+ div,
+ pdfPage,
+ viewport
+ } = this.pageView;
+ if (!pdfPage) {
+ this.renderingState = RenderingStates.FINISHED;
+ throw new Error("pdfPage is not loaded");
+ }
+ this.renderingState = RenderingStates.RUNNING;
+ const canvasWrapper = this.pageView._ensureCanvasWrapper();
+ const {
+ canvas,
+ prevCanvas
+ } = this._createCanvas(newCanvas => {
+ if (canvasWrapper.firstElementChild?.tagName === "CANVAS") {
+ canvasWrapper.firstElementChild.after(newCanvas);
+ } else {
+ canvasWrapper.prepend(newCanvas);
+ }
+ }, hideUntilComplete);
+ canvas.ariaHidden = true;
+ if (this.enableOptimizedPartialRendering) {
+ canvas.className = "detailView";
+ }
+ const {
+ width,
+ height
+ } = viewport;
+ const area = this.#detailArea;
+ const {
+ pixelRatio
+ } = OutputScale;
+ const transform = [pixelRatio, 0, 0, pixelRatio, -area.minX * pixelRatio, -area.minY * pixelRatio];
+ canvas.width = area.width * pixelRatio;
+ canvas.height = area.height * pixelRatio;
+ const {
+ style
+ } = canvas;
+ style.width = `${area.width * 100 / width}%`;
+ style.height = `${area.height * 100 / height}%`;
+ style.top = `${area.minY * 100 / height}%`;
+ style.left = `${area.minX * 100 / width}%`;
+ const renderingPromise = this._drawCanvas(this._getRenderingContext(canvas, transform), () => {
+ this.canvas?.remove();
+ this.canvas = prevCanvas;
+ }, () => {
+ this.dispatchPageRendered(false, true);
+ });
+ div.setAttribute("data-loaded", true);
+ this.dispatchPageRender();
+ return renderingPromise;
+ }
+}
+
+;// ./web/struct_tree_layer_builder.js
+
+const PDF_ROLE_TO_HTML_ROLE = {
+ Document: null,
+ DocumentFragment: null,
+ Part: "group",
+ Sect: "group",
+ Div: "group",
+ Aside: "note",
+ NonStruct: "none",
+ P: null,
+ H: "heading",
+ Title: null,
+ FENote: "note",
+ Sub: "group",
+ Lbl: null,
+ Span: null,
+ Em: null,
+ Strong: null,
+ Link: "link",
+ Annot: "note",
+ Form: "form",
+ Ruby: null,
+ RB: null,
+ RT: null,
+ RP: null,
+ Warichu: null,
+ WT: null,
+ WP: null,
+ L: "list",
+ LI: "listitem",
+ LBody: null,
+ Table: "table",
+ TR: "row",
+ TH: "columnheader",
+ TD: "cell",
+ THead: "columnheader",
+ TBody: null,
+ TFoot: null,
+ Caption: null,
+ Figure: "figure",
+ Formula: null,
+ Artifact: null
+};
+const HEADING_PATTERN = /^H(\d+)$/;
+class StructTreeLayerBuilder {
+ #promise;
+ #treeDom = null;
+ #treePromise;
+ #elementAttributes = new Map();
+ #rawDims;
+ #elementsToAddToTextLayer = null;
+ constructor(pdfPage, rawDims) {
+ this.#promise = pdfPage.getStructTree();
+ this.#rawDims = rawDims;
+ }
+ async render() {
+ if (this.#treePromise) {
+ return this.#treePromise;
+ }
+ const {
+ promise,
+ resolve,
+ reject
+ } = Promise.withResolvers();
+ this.#treePromise = promise;
+ try {
+ this.#treeDom = this.#walk(await this.#promise);
+ } catch (ex) {
+ reject(ex);
+ }
+ this.#promise = null;
+ this.#treeDom?.classList.add("structTree");
+ resolve(this.#treeDom);
+ return promise;
+ }
+ async getAriaAttributes(annotationId) {
+ try {
+ await this.render();
+ return this.#elementAttributes.get(annotationId);
+ } catch {}
+ return null;
+ }
+ hide() {
+ if (this.#treeDom && !this.#treeDom.hidden) {
+ this.#treeDom.hidden = true;
+ }
+ }
+ show() {
+ if (this.#treeDom?.hidden) {
+ this.#treeDom.hidden = false;
+ }
+ }
+ #setAttributes(structElement, htmlElement) {
+ const {
+ alt,
+ id,
+ lang
+ } = structElement;
+ if (alt !== undefined) {
+ let added = false;
+ const label = removeNullCharacters(alt);
+ for (const child of structElement.children) {
+ if (child.type === "annotation") {
+ let attrs = this.#elementAttributes.get(child.id);
+ if (!attrs) {
+ attrs = new Map();
+ this.#elementAttributes.set(child.id, attrs);
+ }
+ attrs.set("aria-label", label);
+ added = true;
+ }
+ }
+ if (!added) {
+ htmlElement.setAttribute("aria-label", label);
+ }
+ }
+ if (id !== undefined) {
+ htmlElement.setAttribute("aria-owns", id);
+ }
+ if (lang !== undefined) {
+ htmlElement.setAttribute("lang", removeNullCharacters(lang, true));
+ }
+ }
+ #addImageInTextLayer(node, element) {
+ const {
+ alt,
+ bbox,
+ children
+ } = node;
+ const child = children?.[0];
+ if (!this.#rawDims || !alt || !bbox || child?.type !== "content") {
+ return false;
+ }
+ const {
+ id
+ } = child;
+ if (!id) {
+ return false;
+ }
+ element.setAttribute("aria-owns", id);
+ const img = document.createElement("span");
+ (this.#elementsToAddToTextLayer ||= new Map()).set(id, img);
+ img.setAttribute("role", "img");
+ img.setAttribute("aria-label", removeNullCharacters(alt));
+ const {
+ pageHeight,
+ pageX,
+ pageY
+ } = this.#rawDims;
+ const calc = "calc(var(--total-scale-factor) *";
+ const {
+ style
+ } = img;
+ style.width = `${calc}${bbox[2] - bbox[0]}px)`;
+ style.height = `${calc}${bbox[3] - bbox[1]}px)`;
+ style.left = `${calc}${bbox[0] - pageX}px)`;
+ style.top = `${calc}${pageHeight - bbox[3] + pageY}px)`;
+ return true;
+ }
+ addElementsToTextLayer() {
+ if (!this.#elementsToAddToTextLayer) {
+ return;
+ }
+ for (const [id, img] of this.#elementsToAddToTextLayer) {
+ document.getElementById(id)?.append(img);
+ }
+ this.#elementsToAddToTextLayer.clear();
+ this.#elementsToAddToTextLayer = null;
+ }
+ #walk(node) {
+ if (!node) {
+ return null;
+ }
+ const element = document.createElement("span");
+ if ("role" in node) {
+ const {
+ role
+ } = node;
+ const match = role.match(HEADING_PATTERN);
+ if (match) {
+ element.setAttribute("role", "heading");
+ element.setAttribute("aria-level", match[1]);
+ } else if (PDF_ROLE_TO_HTML_ROLE[role]) {
+ element.setAttribute("role", PDF_ROLE_TO_HTML_ROLE[role]);
+ }
+ if (role === "Figure" && this.#addImageInTextLayer(node, element)) {
+ return element;
+ }
+ }
+ this.#setAttributes(node, element);
+ if (node.children) {
+ if (node.children.length === 1 && "id" in node.children[0]) {
+ this.#setAttributes(node.children[0], element);
+ } else {
+ for (const kid of node.children) {
+ element.append(this.#walk(kid));
+ }
+ }
+ }
+ return element;
+ }
+}
+
+;// ./web/text_accessibility.js
+
+class TextAccessibilityManager {
+ #enabled = false;
+ #textChildren = null;
+ #textNodes = new Map();
+ #waitingElements = new Map();
+ setTextMapping(textDivs) {
+ this.#textChildren = textDivs;
+ }
+ static #compareElementPositions(e1, e2) {
+ const rect1 = e1.getBoundingClientRect();
+ const rect2 = e2.getBoundingClientRect();
+ if (rect1.width === 0 && rect1.height === 0) {
+ return +1;
+ }
+ if (rect2.width === 0 && rect2.height === 0) {
+ return -1;
+ }
+ const top1 = rect1.y;
+ const bot1 = rect1.y + rect1.height;
+ const mid1 = rect1.y + rect1.height / 2;
+ const top2 = rect2.y;
+ const bot2 = rect2.y + rect2.height;
+ const mid2 = rect2.y + rect2.height / 2;
+ if (mid1 <= top2 && mid2 >= bot1) {
+ return -1;
+ }
+ if (mid2 <= top1 && mid1 >= bot2) {
+ return +1;
+ }
+ const centerX1 = rect1.x + rect1.width / 2;
+ const centerX2 = rect2.x + rect2.width / 2;
+ return centerX1 - centerX2;
+ }
+ enable() {
+ if (this.#enabled) {
+ throw new Error("TextAccessibilityManager is already enabled.");
+ }
+ if (!this.#textChildren) {
+ throw new Error("Text divs and strings have not been set.");
+ }
+ this.#enabled = true;
+ this.#textChildren = this.#textChildren.slice();
+ this.#textChildren.sort(TextAccessibilityManager.#compareElementPositions);
+ if (this.#textNodes.size > 0) {
+ const textChildren = this.#textChildren;
+ for (const [id, nodeIndex] of this.#textNodes) {
+ const element = document.getElementById(id);
+ if (!element) {
+ this.#textNodes.delete(id);
+ continue;
+ }
+ this.#addIdToAriaOwns(id, textChildren[nodeIndex]);
+ }
+ }
+ for (const [element, isRemovable] of this.#waitingElements) {
+ this.addPointerInTextLayer(element, isRemovable);
+ }
+ this.#waitingElements.clear();
+ }
+ disable() {
+ if (!this.#enabled) {
+ return;
+ }
+ this.#waitingElements.clear();
+ this.#textChildren = null;
+ this.#enabled = false;
+ }
+ removePointerInTextLayer(element) {
+ if (!this.#enabled) {
+ this.#waitingElements.delete(element);
+ return;
+ }
+ const children = this.#textChildren;
+ if (!children || children.length === 0) {
+ return;
+ }
+ const {
+ id
+ } = element;
+ const nodeIndex = this.#textNodes.get(id);
+ if (nodeIndex === undefined) {
+ return;
+ }
+ const node = children[nodeIndex];
+ this.#textNodes.delete(id);
+ let owns = node.getAttribute("aria-owns");
+ if (owns?.includes(id)) {
+ owns = owns.split(" ").filter(x => x !== id).join(" ");
+ if (owns) {
+ node.setAttribute("aria-owns", owns);
+ } else {
+ node.removeAttribute("aria-owns");
+ node.setAttribute("role", "presentation");
+ }
+ }
+ }
+ #addIdToAriaOwns(id, node) {
+ const owns = node.getAttribute("aria-owns");
+ if (!owns?.includes(id)) {
+ node.setAttribute("aria-owns", owns ? `${owns} ${id}` : id);
+ }
+ node.removeAttribute("role");
+ }
+ addPointerInTextLayer(element, isRemovable) {
+ const {
+ id
+ } = element;
+ if (!id) {
+ return null;
+ }
+ if (!this.#enabled) {
+ this.#waitingElements.set(element, isRemovable);
+ return null;
+ }
+ if (isRemovable) {
+ this.removePointerInTextLayer(element);
+ }
+ const children = this.#textChildren;
+ if (!children || children.length === 0) {
+ return null;
+ }
+ const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(element, node) < 0);
+ const nodeIndex = Math.max(0, index - 1);
+ const child = children[nodeIndex];
+ this.#addIdToAriaOwns(id, child);
+ this.#textNodes.set(id, nodeIndex);
+ const parent = child.parentNode;
+ return parent?.classList.contains("markedContent") ? parent.id : null;
+ }
+ moveElementInDOM(container, element, contentElement, isRemovable) {
+ const id = this.addPointerInTextLayer(contentElement, isRemovable);
+ if (!container.hasChildNodes()) {
+ container.append(element);
+ return id;
+ }
+ const children = Array.from(container.childNodes).filter(node => node !== element);
+ if (children.length === 0) {
+ return id;
+ }
+ const elementToCompare = contentElement || element;
+ const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(elementToCompare, node) < 0);
+ if (index === 0) {
+ children[0].before(element);
+ } else {
+ children[index - 1].after(element);
+ }
+ return id;
+ }
+}
+
+;// ./web/text_highlighter.js
+class TextHighlighter {
+ #eventAbortController = null;
+ constructor({
+ findController,
+ eventBus,
+ pageIndex
+ }) {
+ this.findController = findController;
+ this.matches = [];
+ this.eventBus = eventBus;
+ this.pageIdx = pageIndex;
+ this.textDivs = null;
+ this.textContentItemsStr = null;
+ this.enabled = false;
+ }
+ setTextMapping(divs, texts) {
+ this.textDivs = divs;
+ this.textContentItemsStr = texts;
+ }
+ enable() {
+ if (!this.textDivs || !this.textContentItemsStr) {
+ throw new Error("Text divs and strings have not been set.");
+ }
+ if (this.enabled) {
+ throw new Error("TextHighlighter is already enabled.");
+ }
+ this.enabled = true;
+ if (!this.#eventAbortController) {
+ this.#eventAbortController = new AbortController();
+ this.eventBus._on("updatetextlayermatches", evt => {
+ if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
+ this._updateMatches();
+ }
+ }, {
+ signal: this.#eventAbortController.signal
+ });
+ }
+ this._updateMatches();
+ }
+ disable() {
+ if (!this.enabled) {
+ return;
+ }
+ this.enabled = false;
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ this._updateMatches(true);
+ }
+ _convertMatches(matches, matchesLength) {
+ if (!matches) {
+ return [];
+ }
+ const {
+ textContentItemsStr
+ } = this;
+ let i = 0,
+ iIndex = 0;
+ const end = textContentItemsStr.length - 1;
+ const result = [];
+ for (let m = 0, mm = matches.length; m < mm; m++) {
+ let matchIdx = matches[m];
+ while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
+ iIndex += textContentItemsStr[i].length;
+ i++;
+ }
+ if (i === textContentItemsStr.length) {
+ console.error("Could not find a matching mapping");
+ }
+ const match = {
+ begin: {
+ divIdx: i,
+ offset: matchIdx - iIndex
+ }
+ };
+ matchIdx += matchesLength[m];
+ while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
+ iIndex += textContentItemsStr[i].length;
+ i++;
+ }
+ match.end = {
+ divIdx: i,
+ offset: matchIdx - iIndex
+ };
+ result.push(match);
+ }
+ return result;
+ }
+ _renderMatches(matches) {
+ if (matches.length === 0) {
+ return;
+ }
+ const {
+ findController,
+ pageIdx
+ } = this;
+ const {
+ textContentItemsStr,
+ textDivs
+ } = this;
+ const isSelectedPage = pageIdx === findController.selected.pageIdx;
+ const selectedMatchIdx = findController.selected.matchIdx;
+ const highlightAll = findController.state.highlightAll;
+ let prevEnd = null;
+ const infinity = {
+ divIdx: -1,
+ offset: undefined
+ };
+ function beginText(begin, className) {
+ const divIdx = begin.divIdx;
+ textDivs[divIdx].textContent = "";
+ return appendTextToDiv(divIdx, 0, begin.offset, className);
+ }
+ function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
+ let div = textDivs[divIdx];
+ if (div.nodeType === Node.TEXT_NODE) {
+ const span = document.createElement("span");
+ div.before(span);
+ span.append(div);
+ textDivs[divIdx] = span;
+ div = span;
+ }
+ const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
+ const node = document.createTextNode(content);
+ if (className) {
+ const span = document.createElement("span");
+ span.className = `${className} appended`;
+ span.append(node);
+ div.append(span);
+ if (className.includes("selected")) {
+ const {
+ left
+ } = span.getClientRects()[0];
+ const parentLeft = div.getBoundingClientRect().left;
+ return left - parentLeft;
+ }
+ return 0;
+ }
+ div.append(node);
+ return 0;
+ }
+ let i0 = selectedMatchIdx,
+ i1 = i0 + 1;
+ if (highlightAll) {
+ i0 = 0;
+ i1 = matches.length;
+ } else if (!isSelectedPage) {
+ return;
+ }
+ let lastDivIdx = -1;
+ let lastOffset = -1;
+ for (let i = i0; i < i1; i++) {
+ const match = matches[i];
+ const begin = match.begin;
+ if (begin.divIdx === lastDivIdx && begin.offset === lastOffset) {
+ continue;
+ }
+ lastDivIdx = begin.divIdx;
+ lastOffset = begin.offset;
+ const end = match.end;
+ const isSelected = isSelectedPage && i === selectedMatchIdx;
+ const highlightSuffix = isSelected ? " selected" : "";
+ let selectedLeft = 0;
+ if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
+ if (prevEnd !== null) {
+ appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+ }
+ beginText(begin);
+ } else {
+ appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
+ }
+ if (begin.divIdx === end.divIdx) {
+ selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix);
+ } else {
+ selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix);
+ for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
+ textDivs[n0].className = "highlight middle" + highlightSuffix;
+ }
+ beginText(end, "highlight end" + highlightSuffix);
+ }
+ prevEnd = end;
+ if (isSelected) {
+ findController.scrollMatchIntoView({
+ element: textDivs[begin.divIdx],
+ selectedLeft,
+ pageIndex: pageIdx,
+ matchIndex: selectedMatchIdx
+ });
+ }
+ }
+ if (prevEnd) {
+ appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+ }
+ }
+ _updateMatches(reset = false) {
+ if (!this.enabled && !reset) {
+ return;
+ }
+ const {
+ findController,
+ matches,
+ pageIdx
+ } = this;
+ const {
+ textContentItemsStr,
+ textDivs
+ } = this;
+ let clearedUntilDivIdx = -1;
+ for (const match of matches) {
+ const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
+ for (let n = begin, end = match.end.divIdx; n <= end; n++) {
+ const div = textDivs[n];
+ div.textContent = textContentItemsStr[n];
+ div.className = "";
+ }
+ clearedUntilDivIdx = match.end.divIdx + 1;
+ }
+ if (!findController?.highlightMatches || reset) {
+ return;
+ }
+ const pageMatches = findController.pageMatches[pageIdx] || null;
+ const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
+ this.matches = this._convertMatches(pageMatches, pageMatchesLength);
+ this._renderMatches(this.matches);
+ }
+}
+
+;// ./web/text_layer_builder.js
+
+
+class TextLayerBuilder {
+ #enablePermissions = false;
+ #onAppend = null;
+ #renderingDone = false;
+ #textLayer = null;
+ static #textLayers = new Map();
+ static #selectionChangeAbortController = null;
+ constructor({
+ pdfPage,
+ highlighter = null,
+ accessibilityManager = null,
+ enablePermissions = false,
+ onAppend = null
+ }) {
+ this.pdfPage = pdfPage;
+ this.highlighter = highlighter;
+ this.accessibilityManager = accessibilityManager;
+ this.#enablePermissions = enablePermissions === true;
+ this.#onAppend = onAppend;
+ this.div = document.createElement("div");
+ this.div.tabIndex = 0;
+ this.div.className = "textLayer";
+ }
+ async render({
+ viewport,
+ textContentParams = null
+ }) {
+ if (this.#renderingDone && this.#textLayer) {
+ this.#textLayer.update({
+ viewport,
+ onBefore: this.hide.bind(this)
+ });
+ this.show();
+ return;
+ }
+ this.cancel();
+ this.#textLayer = new TextLayer({
+ textContentSource: this.pdfPage.streamTextContent(textContentParams || {
+ includeMarkedContent: true,
+ disableNormalization: true
+ }),
+ container: this.div,
+ viewport
+ });
+ const {
+ textDivs,
+ textContentItemsStr
+ } = this.#textLayer;
+ this.highlighter?.setTextMapping(textDivs, textContentItemsStr);
+ this.accessibilityManager?.setTextMapping(textDivs);
+ await this.#textLayer.render();
+ this.#renderingDone = true;
+ const endOfContent = document.createElement("div");
+ endOfContent.className = "endOfContent";
+ this.div.append(endOfContent);
+ this.#bindMouse(endOfContent);
+ this.#onAppend?.(this.div);
+ this.highlighter?.enable();
+ this.accessibilityManager?.enable();
+ }
+ hide() {
+ if (!this.div.hidden && this.#renderingDone) {
+ this.highlighter?.disable();
+ this.div.hidden = true;
+ }
+ }
+ show() {
+ if (this.div.hidden && this.#renderingDone) {
+ this.div.hidden = false;
+ this.highlighter?.enable();
+ }
+ }
+ cancel() {
+ this.#textLayer?.cancel();
+ this.#textLayer = null;
+ this.highlighter?.disable();
+ this.accessibilityManager?.disable();
+ TextLayerBuilder.#removeGlobalSelectionListener(this.div);
+ }
+ #bindMouse(end) {
+ const {
+ div
+ } = this;
+ div.addEventListener("mousedown", () => {
+ div.classList.add("selecting");
+ });
+ div.addEventListener("copy", event => {
+ if (!this.#enablePermissions) {
+ const selection = document.getSelection();
+ event.clipboardData.setData("text/plain", removeNullCharacters(normalizeUnicode(selection.toString())));
+ }
+ stopEvent(event);
+ });
+ TextLayerBuilder.#textLayers.set(div, end);
+ TextLayerBuilder.#enableGlobalSelectionListener();
+ }
+ static #removeGlobalSelectionListener(textLayerDiv) {
+ this.#textLayers.delete(textLayerDiv);
+ if (this.#textLayers.size === 0) {
+ this.#selectionChangeAbortController?.abort();
+ this.#selectionChangeAbortController = null;
+ }
+ }
+ static #enableGlobalSelectionListener() {
+ if (this.#selectionChangeAbortController) {
+ return;
+ }
+ this.#selectionChangeAbortController = new AbortController();
+ const {
+ signal
+ } = this.#selectionChangeAbortController;
+ const reset = (end, textLayer) => {
+ textLayer.append(end);
+ end.style.width = "";
+ end.style.height = "";
+ textLayer.classList.remove("selecting");
+ };
+ let isPointerDown = false;
+ document.addEventListener("pointerdown", () => {
+ isPointerDown = true;
+ }, {
+ signal
+ });
+ document.addEventListener("pointerup", () => {
+ isPointerDown = false;
+ this.#textLayers.forEach(reset);
+ }, {
+ signal
+ });
+ window.addEventListener("blur", () => {
+ isPointerDown = false;
+ this.#textLayers.forEach(reset);
+ }, {
+ signal
+ });
+ document.addEventListener("keyup", () => {
+ if (!isPointerDown) {
+ this.#textLayers.forEach(reset);
+ }
+ }, {
+ signal
+ });
+ var isFirefox, prevRange;
+ document.addEventListener("selectionchange", () => {
+ const selection = document.getSelection();
+ if (selection.rangeCount === 0) {
+ this.#textLayers.forEach(reset);
+ return;
+ }
+ const activeTextLayers = new Set();
+ for (let i = 0; i < selection.rangeCount; i++) {
+ const range = selection.getRangeAt(i);
+ for (const textLayerDiv of this.#textLayers.keys()) {
+ if (!activeTextLayers.has(textLayerDiv) && range.intersectsNode(textLayerDiv)) {
+ activeTextLayers.add(textLayerDiv);
+ }
+ }
+ }
+ for (const [textLayerDiv, endDiv] of this.#textLayers) {
+ if (activeTextLayers.has(textLayerDiv)) {
+ textLayerDiv.classList.add("selecting");
+ } else {
+ reset(endDiv, textLayerDiv);
+ }
+ }
+ isFirefox ??= getComputedStyle(this.#textLayers.values().next().value).getPropertyValue("-moz-user-select") === "none";
+ if (isFirefox) {
+ return;
+ }
+ const range = selection.getRangeAt(0);
+ const modifyStart = prevRange && (range.compareBoundaryPoints(Range.END_TO_END, prevRange) === 0 || range.compareBoundaryPoints(Range.START_TO_END, prevRange) === 0);
+ let anchor = modifyStart ? range.startContainer : range.endContainer;
+ if (anchor.nodeType === Node.TEXT_NODE) {
+ anchor = anchor.parentNode;
+ }
+ if (!modifyStart && range.endOffset === 0) {
+ do {
+ while (!anchor.previousSibling) {
+ anchor = anchor.parentNode;
+ }
+ anchor = anchor.previousSibling;
+ } while (!anchor.childNodes.length);
+ }
+ const parentTextLayer = anchor.parentElement?.closest(".textLayer");
+ const endDiv = this.#textLayers.get(parentTextLayer);
+ if (endDiv) {
+ endDiv.style.width = parentTextLayer.style.width;
+ endDiv.style.height = parentTextLayer.style.height;
+ anchor.parentElement.insertBefore(endDiv, modifyStart ? anchor : anchor.nextSibling);
+ }
+ prevRange = range.cloneRange();
+ }, {
+ signal
+ });
+ }
+}
+
+;// ./web/pdf_page_view.js
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+const DEFAULT_LAYER_PROPERTIES = null;
+const LAYERS_ORDER = new Map([["canvasWrapper", 0], ["textLayer", 1], ["annotationLayer", 2], ["annotationEditorLayer", 3], ["xfaLayer", 3]]);
+class PDFPageView extends BasePDFPageView {
+ #annotationMode = AnnotationMode.ENABLE_FORMS;
+ #canvasWrapper = null;
+ #commentManager = null;
+ #enableAutoLinking = true;
+ #hasRestrictedScaling = false;
+ #isEditing = false;
+ #layerProperties = null;
+ #needsRestrictedScaling = false;
+ #originalViewport = null;
+ #previousRotation = null;
+ #scaleRoundX = 1;
+ #scaleRoundY = 1;
+ #textLayerMode = TextLayerMode.ENABLE;
+ #userUnit = 1;
+ #useThumbnailCanvas = {
+ directDrawing: true,
+ initialOptionalContent: true,
+ regularAnnotations: true
+ };
+ #layers = [null, null, null, null];
+ constructor(options) {
+ super(options);
+ const container = options.container;
+ const defaultViewport = options.defaultViewport;
+ this.renderingId = "page" + this.id;
+ this.#layerProperties = options.layerProperties || DEFAULT_LAYER_PROPERTIES;
+ this.pdfPage = null;
+ this.pageLabel = null;
+ this.rotation = 0;
+ this.scale = options.scale || DEFAULT_SCALE;
+ this.viewport = defaultViewport;
+ this.pdfPageRotate = defaultViewport.rotation;
+ this._optionalContentConfigPromise = options.optionalContentConfigPromise || null;
+ this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE;
+ this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS;
+ this.imageResourcesPath = options.imageResourcesPath || "";
+ this.enableDetailCanvas = options.enableDetailCanvas ?? true;
+ this.maxCanvasPixels = options.maxCanvasPixels ?? AppOptions.get("maxCanvasPixels");
+ this.maxCanvasDim = options.maxCanvasDim || AppOptions.get("maxCanvasDim");
+ this.capCanvasAreaFactor = options.capCanvasAreaFactor ?? AppOptions.get("capCanvasAreaFactor");
+ this.#enableAutoLinking = options.enableAutoLinking !== false;
+ this.#commentManager = options.commentManager || null;
+ this.l10n = options.l10n;
+ this.l10n ||= new genericl10n_GenericL10n();
+ this._isStandalone = !this.renderingQueue?.hasViewer();
+ this._container = container;
+ this._annotationCanvasMap = null;
+ this.annotationLayer = null;
+ this.annotationEditorLayer = null;
+ this.textLayer = null;
+ this.xfaLayer = null;
+ this.structTreeLayer = null;
+ this.drawLayer = null;
+ this.detailView = null;
+ const div = document.createElement("div");
+ div.className = "page";
+ div.setAttribute("data-page-number", this.id);
+ div.setAttribute("role", "region");
+ div.setAttribute("data-l10n-id", "pdfjs-page-landmark");
+ div.setAttribute("data-l10n-args", JSON.stringify({
+ page: this.id
+ }));
+ this.div = div;
+ this.#setDimensions();
+ container?.append(div);
+ if (this._isStandalone) {
+ container?.style.setProperty("--scale-factor", this.scale * PixelsPerInch.PDF_TO_CSS_UNITS);
+ if (this.pageColors?.background) {
+ container?.style.setProperty("--page-bg-color", this.pageColors.background);
+ }
+ const {
+ optionalContentConfigPromise
+ } = options;
+ if (optionalContentConfigPromise) {
+ optionalContentConfigPromise.then(optionalContentConfig => {
+ if (optionalContentConfigPromise !== this._optionalContentConfigPromise) {
+ return;
+ }
+ this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility;
+ });
+ }
+ if (!options.l10n) {
+ this.l10n.translate(this.div);
+ }
+ }
+ }
+ #addLayer(div, name) {
+ const pos = LAYERS_ORDER.get(name);
+ const oldDiv = this.#layers[pos];
+ this.#layers[pos] = div;
+ if (oldDiv) {
+ oldDiv.replaceWith(div);
+ return;
+ }
+ for (let i = pos - 1; i >= 0; i--) {
+ const layer = this.#layers[i];
+ if (layer) {
+ layer.after(div);
+ return;
+ }
+ }
+ this.div.prepend(div);
+ }
+ #setDimensions() {
+ const {
+ div,
+ viewport
+ } = this;
+ if (viewport.userUnit !== this.#userUnit) {
+ if (viewport.userUnit !== 1) {
+ div.style.setProperty("--user-unit", viewport.userUnit);
+ } else {
+ div.style.removeProperty("--user-unit");
+ }
+ this.#userUnit = viewport.userUnit;
+ }
+ if (this.pdfPage) {
+ if (this.#previousRotation === viewport.rotation) {
+ return;
+ }
+ this.#previousRotation = viewport.rotation;
+ }
+ setLayerDimensions(div, viewport, true, false);
+ }
+ setPdfPage(pdfPage) {
+ if (this._isStandalone && (this.pageColors?.foreground === "CanvasText" || this.pageColors?.background === "Canvas")) {
+ this._container?.style.setProperty("--hcm-highlight-filter", pdfPage.filterFactory.addHighlightHCMFilter("highlight", "CanvasText", "Canvas", "HighlightText", "Highlight"));
+ this._container?.style.setProperty("--hcm-highlight-selected-filter", pdfPage.filterFactory.addHighlightHCMFilter("highlight_selected", "CanvasText", "Canvas", "HighlightText", "Highlight"));
+ }
+ this.pdfPage = pdfPage;
+ this.pdfPageRotate = pdfPage.rotate;
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = pdfPage.getViewport({
+ scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS,
+ rotation: totalRotation
+ });
+ this.#setDimensions();
+ this.reset();
+ }
+ destroy() {
+ this.reset();
+ this.pdfPage?.cleanup();
+ }
+ hasEditableAnnotations() {
+ return !!this.annotationLayer?.hasEditableAnnotations();
+ }
+ get _textHighlighter() {
+ return shadow(this, "_textHighlighter", new TextHighlighter({
+ pageIndex: this.id - 1,
+ eventBus: this.eventBus,
+ findController: this.#layerProperties.findController
+ }));
+ }
+ #dispatchLayerRendered(name, error) {
+ this.eventBus.dispatch(name, {
+ source: this,
+ pageNumber: this.id,
+ error
+ });
+ }
+ async #renderAnnotationLayer() {
+ let error = null;
+ try {
+ await this.annotationLayer.render({
+ viewport: this.viewport,
+ intent: "display",
+ structTreeLayer: this.structTreeLayer
+ });
+ } catch (ex) {
+ console.error("#renderAnnotationLayer:", ex);
+ error = ex;
+ } finally {
+ this.#dispatchLayerRendered("annotationlayerrendered", error);
+ }
+ }
+ async #renderAnnotationEditorLayer() {
+ let error = null;
+ try {
+ await this.annotationEditorLayer.render({
+ viewport: this.viewport,
+ intent: "display"
+ });
+ } catch (ex) {
+ console.error("#renderAnnotationEditorLayer:", ex);
+ error = ex;
+ } finally {
+ this.#dispatchLayerRendered("annotationeditorlayerrendered", error);
+ }
+ }
+ async #renderDrawLayer() {
+ try {
+ await this.drawLayer.render({
+ intent: "display"
+ });
+ } catch (ex) {
+ console.error("#renderDrawLayer:", ex);
+ }
+ }
+ async #renderXfaLayer() {
+ let error = null;
+ try {
+ const result = await this.xfaLayer.render({
+ viewport: this.viewport,
+ intent: "display"
+ });
+ if (result?.textDivs && this._textHighlighter) {
+ this.#buildXfaTextContentItems(result.textDivs);
+ }
+ } catch (ex) {
+ console.error("#renderXfaLayer:", ex);
+ error = ex;
+ } finally {
+ if (this.xfaLayer?.div) {
+ this.l10n.pause();
+ this.#addLayer(this.xfaLayer.div, "xfaLayer");
+ this.l10n.resume();
+ }
+ this.#dispatchLayerRendered("xfalayerrendered", error);
+ }
+ }
+ async #renderTextLayer() {
+ if (!this.textLayer) {
+ return;
+ }
+ let error = null;
+ try {
+ await this.textLayer.render({
+ viewport: this.viewport
+ });
+ } catch (ex) {
+ if (ex instanceof AbortException) {
+ return;
+ }
+ console.error("#renderTextLayer:", ex);
+ error = ex;
+ }
+ this.#dispatchLayerRendered("textlayerrendered", error);
+ this.#renderStructTreeLayer();
+ }
+ async #renderStructTreeLayer() {
+ if (!this.textLayer) {
+ return;
+ }
+ const treeDom = await this.structTreeLayer?.render();
+ if (treeDom) {
+ this.l10n.pause();
+ this.structTreeLayer?.addElementsToTextLayer();
+ if (this.canvas && treeDom.parentNode !== this.canvas) {
+ this.canvas.append(treeDom);
+ }
+ this.l10n.resume();
+ }
+ this.structTreeLayer?.show();
+ }
+ async #buildXfaTextContentItems(textDivs) {
+ const text = await this.pdfPage.getTextContent();
+ const items = [];
+ for (const item of text.items) {
+ items.push(item.str);
+ }
+ this._textHighlighter.setTextMapping(textDivs, items);
+ this._textHighlighter.enable();
+ }
+ async #injectLinkAnnotations(textLayerPromise) {
+ let error = null;
+ try {
+ await textLayerPromise;
+ if (!this.annotationLayer) {
+ return;
+ }
+ await this.annotationLayer.injectLinkAnnotations(Autolinker.processLinks(this));
+ } catch (ex) {
+ console.error("#injectLinkAnnotations:", ex);
+ error = ex;
+ }
+ }
+ _resetCanvas() {
+ super._resetCanvas();
+ this.#originalViewport = null;
+ }
+ reset({
+ keepAnnotationLayer = false,
+ keepAnnotationEditorLayer = false,
+ keepXfaLayer = false,
+ keepTextLayer = false,
+ keepCanvasWrapper = false,
+ preserveDetailViewState = false
+ } = {}) {
+ const keepPdfBugGroups = this.pdfPage?._pdfBug ?? false;
+ this.cancelRendering({
+ keepAnnotationLayer,
+ keepAnnotationEditorLayer,
+ keepXfaLayer,
+ keepTextLayer
+ });
+ this.renderingState = RenderingStates.INITIAL;
+ const div = this.div;
+ const childNodes = div.childNodes,
+ annotationLayerNode = keepAnnotationLayer && this.annotationLayer?.div || null,
+ annotationEditorLayerNode = keepAnnotationEditorLayer && this.annotationEditorLayer?.div || null,
+ xfaLayerNode = keepXfaLayer && this.xfaLayer?.div || null,
+ textLayerNode = keepTextLayer && this.textLayer?.div || null,
+ canvasWrapperNode = keepCanvasWrapper && this.#canvasWrapper || null;
+ for (let i = childNodes.length - 1; i >= 0; i--) {
+ const node = childNodes[i];
+ switch (node) {
+ case annotationLayerNode:
+ case annotationEditorLayerNode:
+ case xfaLayerNode:
+ case textLayerNode:
+ case canvasWrapperNode:
+ continue;
+ }
+ if (keepPdfBugGroups && node.classList.contains("pdfBugGroupsLayer")) {
+ continue;
+ }
+ node.remove();
+ const layerIndex = this.#layers.indexOf(node);
+ if (layerIndex >= 0) {
+ this.#layers[layerIndex] = null;
+ }
+ }
+ div.removeAttribute("data-loaded");
+ if (annotationLayerNode) {
+ this.annotationLayer.hide();
+ }
+ if (annotationEditorLayerNode) {
+ this.annotationEditorLayer.hide();
+ }
+ if (xfaLayerNode) {
+ this.xfaLayer.hide();
+ }
+ if (textLayerNode) {
+ this.textLayer.hide();
+ }
+ this.structTreeLayer?.hide();
+ if (!keepCanvasWrapper && this.#canvasWrapper) {
+ this.#canvasWrapper = null;
+ this._resetCanvas();
+ }
+ if (!preserveDetailViewState) {
+ this.detailView?.reset({
+ keepCanvas: keepCanvasWrapper
+ });
+ if (!keepCanvasWrapper) {
+ this.detailView = null;
+ }
+ }
+ }
+ toggleEditingMode(isEditing) {
+ this.#isEditing = isEditing;
+ if (!this.hasEditableAnnotations()) {
+ return;
+ }
+ this.reset({
+ keepAnnotationLayer: true,
+ keepAnnotationEditorLayer: true,
+ keepXfaLayer: true,
+ keepTextLayer: true,
+ keepCanvasWrapper: true
+ });
+ }
+ updateVisibleArea(visibleArea) {
+ if (this.enableDetailCanvas) {
+ if (this.#needsRestrictedScaling && this.maxCanvasPixels > 0 && visibleArea) {
+ this.detailView ??= new PDFPageDetailView({
+ pageView: this,
+ enableOptimizedPartialRendering: this.enableOptimizedPartialRendering
+ });
+ this.detailView.update({
+ visibleArea
+ });
+ } else if (this.detailView) {
+ this.detailView.reset();
+ this.detailView = null;
+ }
+ }
+ }
+ update({
+ scale = 0,
+ rotation = null,
+ optionalContentConfigPromise = null,
+ drawingDelay = -1
+ }) {
+ this.scale = scale || this.scale;
+ if (typeof rotation === "number") {
+ this.rotation = rotation;
+ }
+ if (optionalContentConfigPromise instanceof Promise) {
+ this._optionalContentConfigPromise = optionalContentConfigPromise;
+ optionalContentConfigPromise.then(optionalContentConfig => {
+ if (optionalContentConfigPromise !== this._optionalContentConfigPromise) {
+ return;
+ }
+ this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility;
+ });
+ }
+ this.#useThumbnailCanvas.directDrawing = true;
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = this.viewport.clone({
+ scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS,
+ rotation: totalRotation
+ });
+ this.#setDimensions();
+ if (this._isStandalone) {
+ this._container?.style.setProperty("--scale-factor", this.viewport.scale);
+ }
+ this.#computeScale();
+ if (this.canvas) {
+ const onlyCssZoom = this.#hasRestrictedScaling && this.#needsRestrictedScaling;
+ const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000;
+ if (postponeDrawing || onlyCssZoom) {
+ if (postponeDrawing && !onlyCssZoom && this.renderingState !== RenderingStates.FINISHED) {
+ this.cancelRendering({
+ keepAnnotationLayer: true,
+ keepAnnotationEditorLayer: true,
+ keepXfaLayer: true,
+ keepTextLayer: true,
+ cancelExtraDelay: drawingDelay
+ });
+ this.renderingState = RenderingStates.FINISHED;
+ this.#useThumbnailCanvas.directDrawing = false;
+ }
+ this.cssTransform({
+ redrawAnnotationLayer: true,
+ redrawAnnotationEditorLayer: true,
+ redrawXfaLayer: true,
+ redrawTextLayer: !postponeDrawing,
+ hideTextLayer: postponeDrawing
+ });
+ if (!postponeDrawing) {
+ this.detailView?.update({
+ underlyingViewUpdated: true
+ });
+ this.dispatchPageRendered(true, false);
+ }
+ return;
+ }
+ }
+ this.cssTransform({});
+ this.reset({
+ keepAnnotationLayer: true,
+ keepAnnotationEditorLayer: true,
+ keepXfaLayer: true,
+ keepTextLayer: true,
+ keepCanvasWrapper: true,
+ preserveDetailViewState: true
+ });
+ this.detailView?.update({
+ underlyingViewUpdated: true
+ });
+ }
+ #computeScale() {
+ const {
+ width,
+ height
+ } = this.viewport;
+ const outputScale = this.outputScale = new OutputScale();
+ if (this.maxCanvasPixels === 0) {
+ const invScale = 1 / this.scale;
+ outputScale.sx *= invScale;
+ outputScale.sy *= invScale;
+ this.#needsRestrictedScaling = true;
+ } else {
+ this.#needsRestrictedScaling = outputScale.limitCanvas(width, height, this.maxCanvasPixels, this.maxCanvasDim, this.capCanvasAreaFactor);
+ if (this.#needsRestrictedScaling && this.enableDetailCanvas) {
+ const factor = this.enableOptimizedPartialRendering ? 4 : 2;
+ outputScale.sx /= factor;
+ outputScale.sy /= factor;
+ }
+ }
+ }
+ cancelRendering({
+ keepAnnotationLayer = false,
+ keepAnnotationEditorLayer = false,
+ keepXfaLayer = false,
+ keepTextLayer = false,
+ cancelExtraDelay = 0
+ } = {}) {
+ super.cancelRendering({
+ cancelExtraDelay
+ });
+ if (this.textLayer && (!keepTextLayer || !this.textLayer.div)) {
+ this.textLayer.cancel();
+ this.textLayer = null;
+ }
+ if (this.annotationLayer && (!keepAnnotationLayer || !this.annotationLayer.div)) {
+ this.annotationLayer.cancel();
+ this.annotationLayer = null;
+ this._annotationCanvasMap = null;
+ }
+ if (this.structTreeLayer && !this.textLayer) {
+ this.structTreeLayer = null;
+ }
+ if (this.annotationEditorLayer && (!keepAnnotationEditorLayer || !this.annotationEditorLayer.div)) {
+ if (this.drawLayer) {
+ this.drawLayer.cancel();
+ this.drawLayer = null;
+ }
+ this.annotationEditorLayer.cancel();
+ this.annotationEditorLayer = null;
+ }
+ if (this.xfaLayer && (!keepXfaLayer || !this.xfaLayer.div)) {
+ this.xfaLayer.cancel();
+ this.xfaLayer = null;
+ this._textHighlighter?.disable();
+ }
+ }
+ cssTransform({
+ redrawAnnotationLayer = false,
+ redrawAnnotationEditorLayer = false,
+ redrawXfaLayer = false,
+ redrawTextLayer = false,
+ hideTextLayer = false
+ }) {
+ const {
+ canvas
+ } = this;
+ if (!canvas) {
+ return;
+ }
+ const originalViewport = this.#originalViewport;
+ if (this.viewport !== originalViewport) {
+ const relativeRotation = (360 + this.viewport.rotation - originalViewport.rotation) % 360;
+ if (relativeRotation === 90 || relativeRotation === 270) {
+ const {
+ width,
+ height
+ } = this.viewport;
+ const scaleX = height / width;
+ const scaleY = width / height;
+ canvas.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX},${scaleY})`;
+ } else {
+ canvas.style.transform = relativeRotation === 0 ? "" : `rotate(${relativeRotation}deg)`;
+ }
+ }
+ if (redrawAnnotationLayer && this.annotationLayer) {
+ this.#renderAnnotationLayer();
+ }
+ if (redrawAnnotationEditorLayer && this.annotationEditorLayer) {
+ if (this.drawLayer) {
+ this.#renderDrawLayer();
+ }
+ this.#renderAnnotationEditorLayer();
+ }
+ if (redrawXfaLayer && this.xfaLayer) {
+ this.#renderXfaLayer();
+ }
+ if (this.textLayer) {
+ if (hideTextLayer) {
+ this.textLayer.hide();
+ this.structTreeLayer?.hide();
+ } else if (redrawTextLayer) {
+ this.#renderTextLayer();
+ }
+ }
+ }
+ get width() {
+ return this.viewport.width;
+ }
+ get height() {
+ return this.viewport.height;
+ }
+ getPagePoint(x, y) {
+ return this.viewport.convertToPdfPoint(x, y);
+ }
+ _ensureCanvasWrapper() {
+ let canvasWrapper = this.#canvasWrapper;
+ if (!canvasWrapper) {
+ canvasWrapper = this.#canvasWrapper = document.createElement("div");
+ canvasWrapper.classList.add("canvasWrapper");
+ this.#addLayer(canvasWrapper, "canvasWrapper");
+ }
+ return canvasWrapper;
+ }
+ _getRenderingContext(canvas, transform, recordOperations) {
+ return {
+ canvas,
+ transform,
+ viewport: this.viewport,
+ annotationMode: this.#annotationMode,
+ optionalContentConfigPromise: this._optionalContentConfigPromise,
+ annotationCanvasMap: this._annotationCanvasMap,
+ pageColors: this.pageColors,
+ isEditing: this.#isEditing,
+ recordOperations
+ };
+ }
+ async draw() {
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ console.error("Must be in new state before drawing");
+ this.reset();
+ }
+ const {
+ div,
+ l10n,
+ pdfPage,
+ viewport
+ } = this;
+ if (!pdfPage) {
+ this.renderingState = RenderingStates.FINISHED;
+ throw new Error("pdfPage is not loaded");
+ }
+ this.renderingState = RenderingStates.RUNNING;
+ const canvasWrapper = this._ensureCanvasWrapper();
+ if (!this.textLayer && this.#textLayerMode !== TextLayerMode.DISABLE && !pdfPage.isPureXfa) {
+ this._accessibilityManager ||= new TextAccessibilityManager();
+ this.textLayer = new TextLayerBuilder({
+ pdfPage,
+ highlighter: this._textHighlighter,
+ accessibilityManager: this._accessibilityManager,
+ enablePermissions: this.#textLayerMode === TextLayerMode.ENABLE_PERMISSIONS,
+ onAppend: textLayerDiv => {
+ this.l10n.pause();
+ this.#addLayer(textLayerDiv, "textLayer");
+ this.l10n.resume();
+ }
+ });
+ }
+ if (!this.annotationLayer && this.#annotationMode !== AnnotationMode.DISABLE) {
+ const {
+ annotationStorage,
+ annotationEditorUIManager,
+ downloadManager,
+ enableComment,
+ enableScripting,
+ fieldObjectsPromise,
+ hasJSActionsPromise,
+ linkService
+ } = this.#layerProperties;
+ this._annotationCanvasMap ||= new Map();
+ this.annotationLayer = new AnnotationLayerBuilder({
+ pdfPage,
+ annotationStorage,
+ imageResourcesPath: this.imageResourcesPath,
+ renderForms: this.#annotationMode === AnnotationMode.ENABLE_FORMS,
+ linkService,
+ downloadManager,
+ enableComment,
+ enableScripting,
+ hasJSActionsPromise,
+ fieldObjectsPromise,
+ annotationCanvasMap: this._annotationCanvasMap,
+ accessibilityManager: this._accessibilityManager,
+ annotationEditorUIManager,
+ commentManager: this.#commentManager,
+ onAppend: annotationLayerDiv => {
+ this.#addLayer(annotationLayerDiv, "annotationLayer");
+ }
+ });
+ }
+ const {
+ width,
+ height
+ } = viewport;
+ this.#originalViewport = viewport;
+ const {
+ canvas,
+ prevCanvas
+ } = this._createCanvas(newCanvas => {
+ canvasWrapper.prepend(newCanvas);
+ });
+ canvas.setAttribute("role", "presentation");
+ if (!this.outputScale) {
+ this.#computeScale();
+ }
+ const {
+ outputScale
+ } = this;
+ this.#hasRestrictedScaling = this.#needsRestrictedScaling;
+ const sfx = approximateFraction(outputScale.sx);
+ const sfy = approximateFraction(outputScale.sy);
+ const canvasWidth = canvas.width = floorToDivide(calcRound(width * outputScale.sx), sfx[0]);
+ const canvasHeight = canvas.height = floorToDivide(calcRound(height * outputScale.sy), sfy[0]);
+ const pageWidth = floorToDivide(calcRound(width), sfx[1]);
+ const pageHeight = floorToDivide(calcRound(height), sfy[1]);
+ outputScale.sx = canvasWidth / pageWidth;
+ outputScale.sy = canvasHeight / pageHeight;
+ if (this.#scaleRoundX !== sfx[1]) {
+ div.style.setProperty("--scale-round-x", `${sfx[1]}px`);
+ this.#scaleRoundX = sfx[1];
+ }
+ if (this.#scaleRoundY !== sfy[1]) {
+ div.style.setProperty("--scale-round-y", `${sfy[1]}px`);
+ this.#scaleRoundY = sfy[1];
+ }
+ const recordBBoxes = this.enableOptimizedPartialRendering && this.#hasRestrictedScaling && !this.recordedBBoxes;
+ const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
+ const resultPromise = this._drawCanvas(this._getRenderingContext(canvas, transform, recordBBoxes), () => {
+ prevCanvas?.remove();
+ this._resetCanvas();
+ }, renderTask => {
+ this.#useThumbnailCanvas.regularAnnotations = !renderTask.separateAnnots;
+ this.dispatchPageRendered(false, false);
+ }).then(async () => {
+ if (this.renderingState !== RenderingStates.FINISHED) {
+ return;
+ }
+ this.structTreeLayer ||= new StructTreeLayerBuilder(pdfPage, viewport.rawDims);
+ const textLayerPromise = this.#renderTextLayer();
+ if (this.annotationLayer) {
+ await this.#renderAnnotationLayer();
+ if (this.#enableAutoLinking && this.annotationLayer && this.textLayer) {
+ await this.#injectLinkAnnotations(textLayerPromise);
+ }
+ }
+ const {
+ annotationEditorUIManager
+ } = this.#layerProperties;
+ if (!annotationEditorUIManager) {
+ return;
+ }
+ this.drawLayer ||= new DrawLayerBuilder({
+ pageIndex: this.id
+ });
+ await this.#renderDrawLayer();
+ this.drawLayer.setParent(canvasWrapper);
+ if (this.annotationLayer || this.#annotationMode === AnnotationMode.DISABLE) {
+ this.annotationEditorLayer ||= new AnnotationEditorLayerBuilder({
+ uiManager: annotationEditorUIManager,
+ pdfPage,
+ l10n,
+ structTreeLayer: this.structTreeLayer,
+ accessibilityManager: this._accessibilityManager,
+ annotationLayer: this.annotationLayer?.annotationLayer,
+ textLayer: this.textLayer,
+ drawLayer: this.drawLayer.getDrawLayer(),
+ onAppend: annotationEditorLayerDiv => {
+ this.#addLayer(annotationEditorLayerDiv, "annotationEditorLayer");
+ }
+ });
+ this.#renderAnnotationEditorLayer();
+ }
+ });
+ if (pdfPage.isPureXfa) {
+ if (!this.xfaLayer) {
+ const {
+ annotationStorage,
+ linkService
+ } = this.#layerProperties;
+ this.xfaLayer = new XfaLayerBuilder({
+ pdfPage,
+ annotationStorage,
+ linkService
+ });
+ }
+ this.#renderXfaLayer();
+ }
+ div.setAttribute("data-loaded", true);
+ this.dispatchPageRender();
+ return resultPromise;
+ }
+ setPageLabel(label) {
+ this.pageLabel = typeof label === "string" ? label : null;
+ this.div.setAttribute("data-l10n-args", JSON.stringify({
+ page: this.pageLabel ?? this.id
+ }));
+ if (this.pageLabel !== null) {
+ this.div.setAttribute("data-page-label", this.pageLabel);
+ } else {
+ this.div.removeAttribute("data-page-label");
+ }
+ }
+ get thumbnailCanvas() {
+ const {
+ directDrawing,
+ initialOptionalContent,
+ regularAnnotations
+ } = this.#useThumbnailCanvas;
+ return directDrawing && initialOptionalContent && regularAnnotations ? this.canvas : null;
+ }
+}
+
+;// ./web/pdf_viewer.js
+
+
+
+
+
+
+const DEFAULT_CACHE_SIZE = 10;
+const PagesCountLimit = {
+ FORCE_SCROLL_MODE_PAGE: 10000,
+ FORCE_LAZY_PAGE_INIT: 5000,
+ PAUSE_EAGER_PAGE_INIT: 250
+};
+function isValidAnnotationEditorMode(mode) {
+ return Object.values(AnnotationEditorType).includes(mode) && mode !== AnnotationEditorType.DISABLE;
+}
+class PDFPageViewBuffer {
+ #buf = new Set();
+ #size = 0;
+ constructor(size) {
+ this.#size = size;
+ }
+ push(view) {
+ const buf = this.#buf;
+ if (buf.has(view)) {
+ buf.delete(view);
+ }
+ buf.add(view);
+ if (buf.size > this.#size) {
+ this.#destroyFirstView();
+ }
+ }
+ resize(newSize, idsToKeep = null) {
+ this.#size = newSize;
+ const buf = this.#buf;
+ if (idsToKeep) {
+ const ii = buf.size;
+ let i = 1;
+ for (const view of buf) {
+ if (idsToKeep.has(view.id)) {
+ buf.delete(view);
+ buf.add(view);
+ }
+ if (++i > ii) {
+ break;
+ }
+ }
+ }
+ while (buf.size > this.#size) {
+ this.#destroyFirstView();
+ }
+ }
+ has(view) {
+ return this.#buf.has(view);
+ }
+ [Symbol.iterator]() {
+ return this.#buf.keys();
+ }
+ #destroyFirstView() {
+ const firstView = this.#buf.keys().next().value;
+ firstView?.destroy();
+ this.#buf.delete(firstView);
+ }
+}
+class PDFViewer {
+ #buffer = null;
+ #altTextManager = null;
+ #annotationEditorHighlightColors = null;
+ #annotationEditorMode = AnnotationEditorType.NONE;
+ #annotationEditorUIManager = null;
+ #annotationMode = AnnotationMode.ENABLE_FORMS;
+ #commentManager = null;
+ #containerTopLeft = null;
+ #editorUndoBar = null;
+ #enableHWA = false;
+ #enableHighlightFloatingButton = false;
+ #enablePermissions = false;
+ #enableUpdatedAddImage = false;
+ #enableNewAltTextWhenAddingImage = false;
+ #enableAutoLinking = true;
+ #eventAbortController = null;
+ #minDurationToUpdateCanvas = 0;
+ #mlManager = null;
+ #printingAllowed = true;
+ #scrollTimeoutId = null;
+ #switchAnnotationEditorModeAC = null;
+ #switchAnnotationEditorModeTimeoutId = null;
+ #getAllTextInProgress = false;
+ #hiddenCopyElement = null;
+ #interruptCopyCondition = false;
+ #previousContainerHeight = 0;
+ #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this));
+ #scrollModePageState = null;
+ #scaleTimeoutId = null;
+ #signatureManager = null;
+ #supportsPinchToZoom = true;
+ #textLayerMode = TextLayerMode.ENABLE;
+ #viewerAlert = null;
+ constructor(options) {
+ const viewerVersion = "5.4.296";
+ if (version !== viewerVersion) {
+ throw new Error(`The API version "${version}" does not match the Viewer version "${viewerVersion}".`);
+ }
+ this.container = options.container;
+ this.viewer = options.viewer || options.container.firstElementChild;
+ this.#viewerAlert = options.viewerAlert || null;
+ if (this.container?.tagName !== "DIV" || this.viewer?.tagName !== "DIV") {
+ throw new Error("Invalid `container` and/or `viewer` option.");
+ }
+ if (this.container.offsetParent && getComputedStyle(this.container).position !== "absolute") {
+ throw new Error("The `container` must be absolutely positioned.");
+ }
+ this.#resizeObserver.observe(this.container);
+ this.eventBus = options.eventBus;
+ this.linkService = options.linkService || new SimpleLinkService();
+ this.downloadManager = options.downloadManager || null;
+ this.findController = options.findController || null;
+ this.#altTextManager = options.altTextManager || null;
+ this.#commentManager = options.commentManager || null;
+ this.#signatureManager = options.signatureManager || null;
+ this.#editorUndoBar = options.editorUndoBar || null;
+ if (this.findController) {
+ this.findController.onIsPageVisible = pageNumber => this._getVisiblePages().ids.has(pageNumber);
+ }
+ this._scriptingManager = options.scriptingManager || null;
+ this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE;
+ this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS;
+ this.#annotationEditorMode = options.annotationEditorMode ?? AnnotationEditorType.NONE;
+ this.#annotationEditorHighlightColors = options.annotationEditorHighlightColors || null;
+ this.#enableHighlightFloatingButton = options.enableHighlightFloatingButton === true;
+ this.#enableUpdatedAddImage = options.enableUpdatedAddImage === true;
+ this.#enableNewAltTextWhenAddingImage = options.enableNewAltTextWhenAddingImage === true;
+ this.imageResourcesPath = options.imageResourcesPath || "";
+ this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
+ this.removePageBorders = options.removePageBorders || false;
+ this.maxCanvasPixels = options.maxCanvasPixels;
+ this.maxCanvasDim = options.maxCanvasDim;
+ this.capCanvasAreaFactor = options.capCanvasAreaFactor;
+ this.enableDetailCanvas = options.enableDetailCanvas ?? true;
+ this.enableOptimizedPartialRendering = options.enableOptimizedPartialRendering ?? false;
+ this.l10n = options.l10n;
+ this.l10n ||= new genericl10n_GenericL10n();
+ this.#enablePermissions = options.enablePermissions || false;
+ this.pageColors = options.pageColors || null;
+ this.#mlManager = options.mlManager || null;
+ this.#enableHWA = options.enableHWA || false;
+ this.#supportsPinchToZoom = options.supportsPinchToZoom !== false;
+ this.#enableAutoLinking = options.enableAutoLinking !== false;
+ this.#minDurationToUpdateCanvas = options.minDurationToUpdateCanvas ?? 500;
+ this.defaultRenderingQueue = !options.renderingQueue;
+ if (this.defaultRenderingQueue) {
+ this.renderingQueue = new PDFRenderingQueue();
+ this.renderingQueue.setViewer(this);
+ } else {
+ this.renderingQueue = options.renderingQueue;
+ }
+ const {
+ abortSignal
+ } = options;
+ abortSignal?.addEventListener("abort", () => {
+ this.#resizeObserver.disconnect();
+ this.#resizeObserver = null;
+ }, {
+ once: true
+ });
+ this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this), abortSignal);
+ this.presentationModeState = PresentationModeState.UNKNOWN;
+ this._resetView();
+ if (this.removePageBorders) {
+ this.viewer.classList.add("removePageBorders");
+ }
+ this.#updateContainerHeightCss();
+ this.eventBus._on("thumbnailrendered", ({
+ pageNumber,
+ pdfPage
+ }) => {
+ const pageView = this._pages[pageNumber - 1];
+ if (!this.#buffer.has(pageView)) {
+ pdfPage?.cleanup();
+ }
+ });
+ if (!options.l10n) {
+ this.l10n.translate(this.container);
+ }
+ }
+ get printingAllowed() {
+ return this.#printingAllowed;
+ }
+ get pagesCount() {
+ return this._pages.length;
+ }
+ getPageView(index) {
+ return this._pages[index];
+ }
+ getCachedPageViews() {
+ return new Set(this.#buffer);
+ }
+ get pageViewsReady() {
+ return this._pages.every(pageView => pageView?.pdfPage);
+ }
+ get renderForms() {
+ return this.#annotationMode === AnnotationMode.ENABLE_FORMS;
+ }
+ get enableScripting() {
+ return !!this._scriptingManager;
+ }
+ get currentPageNumber() {
+ return this._currentPageNumber;
+ }
+ set currentPageNumber(val) {
+ if (!Number.isInteger(val)) {
+ throw new Error("Invalid page number.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!this._setCurrentPageNumber(val, true)) {
+ console.error(`currentPageNumber: "${val}" is not a valid page.`);
+ }
+ }
+ _setCurrentPageNumber(val, resetCurrentPageView = false) {
+ if (this._currentPageNumber === val) {
+ if (resetCurrentPageView) {
+ this.#resetCurrentPageView();
+ }
+ return true;
+ }
+ if (!(0 < val && val <= this.pagesCount)) {
+ return false;
+ }
+ const previous = this._currentPageNumber;
+ this._currentPageNumber = val;
+ this.eventBus.dispatch("pagechanging", {
+ source: this,
+ pageNumber: val,
+ pageLabel: this._pageLabels?.[val - 1] ?? null,
+ previous
+ });
+ if (resetCurrentPageView) {
+ this.#resetCurrentPageView();
+ }
+ return true;
+ }
+ get currentPageLabel() {
+ return this._pageLabels?.[this._currentPageNumber - 1] ?? null;
+ }
+ set currentPageLabel(val) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ let page = val | 0;
+ if (this._pageLabels) {
+ const i = this._pageLabels.indexOf(val);
+ if (i >= 0) {
+ page = i + 1;
+ }
+ }
+ if (!this._setCurrentPageNumber(page, true)) {
+ console.error(`currentPageLabel: "${val}" is not a valid page.`);
+ }
+ }
+ get currentScale() {
+ return this._currentScale !== UNKNOWN_SCALE ? this._currentScale : DEFAULT_SCALE;
+ }
+ set currentScale(val) {
+ if (isNaN(val)) {
+ throw new Error("Invalid numeric scale.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.#setScale(val, {
+ noScroll: false
+ });
+ }
+ get currentScaleValue() {
+ return this._currentScaleValue;
+ }
+ set currentScaleValue(val) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.#setScale(val, {
+ noScroll: false
+ });
+ }
+ get pagesRotation() {
+ return this._pagesRotation;
+ }
+ set pagesRotation(rotation) {
+ if (!isValidRotation(rotation)) {
+ throw new Error("Invalid pages rotation angle.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ rotation %= 360;
+ if (rotation < 0) {
+ rotation += 360;
+ }
+ if (this._pagesRotation === rotation) {
+ return;
+ }
+ this._pagesRotation = rotation;
+ const pageNumber = this._currentPageNumber;
+ this.refresh(true, {
+ rotation
+ });
+ if (this._currentScaleValue) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this.eventBus.dispatch("rotationchanging", {
+ source: this,
+ pagesRotation: rotation,
+ pageNumber
+ });
+ if (this.defaultRenderingQueue) {
+ this.update();
+ }
+ }
+ get firstPagePromise() {
+ return this.pdfDocument ? this._firstPageCapability.promise : null;
+ }
+ get onePageRendered() {
+ return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
+ }
+ get pagesPromise() {
+ return this.pdfDocument ? this._pagesCapability.promise : null;
+ }
+ get _layerProperties() {
+ const self = this;
+ return shadow(this, "_layerProperties", {
+ get annotationEditorUIManager() {
+ return self.#annotationEditorUIManager;
+ },
+ get annotationStorage() {
+ return self.pdfDocument?.annotationStorage;
+ },
+ get downloadManager() {
+ return self.downloadManager;
+ },
+ get enableComment() {
+ return !!self.#commentManager;
+ },
+ get enableScripting() {
+ return !!self._scriptingManager;
+ },
+ get fieldObjectsPromise() {
+ return self.pdfDocument?.getFieldObjects();
+ },
+ get findController() {
+ return self.findController;
+ },
+ get hasJSActionsPromise() {
+ return self.pdfDocument?.hasJSActions();
+ },
+ get linkService() {
+ return self.linkService;
+ }
+ });
+ }
+ #initializePermissions(permissions) {
+ const params = {
+ annotationEditorMode: this.#annotationEditorMode,
+ annotationMode: this.#annotationMode,
+ textLayerMode: this.#textLayerMode
+ };
+ if (!permissions) {
+ this.#printingAllowed = true;
+ this.eventBus.dispatch("printingallowed", {
+ source: this,
+ isAllowed: this.#printingAllowed
+ });
+ return params;
+ }
+ this.#printingAllowed = permissions.includes(PermissionFlag.PRINT_HIGH_QUALITY) || permissions.includes(PermissionFlag.PRINT);
+ this.eventBus.dispatch("printingallowed", {
+ source: this,
+ isAllowed: this.#printingAllowed
+ });
+ if (!permissions.includes(PermissionFlag.COPY) && this.#textLayerMode === TextLayerMode.ENABLE) {
+ params.textLayerMode = TextLayerMode.ENABLE_PERMISSIONS;
+ }
+ if (!permissions.includes(PermissionFlag.MODIFY_CONTENTS)) {
+ params.annotationEditorMode = AnnotationEditorType.DISABLE;
+ }
+ if (!permissions.includes(PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(PermissionFlag.FILL_INTERACTIVE_FORMS) && this.#annotationMode === AnnotationMode.ENABLE_FORMS) {
+ params.annotationMode = AnnotationMode.ENABLE;
+ }
+ return params;
+ }
+ async #onePageRenderedOrForceFetch(signal) {
+ if (document.visibilityState === "hidden" || !this.container.offsetParent || this._getVisiblePages().views.length === 0) {
+ return;
+ }
+ const hiddenCapability = Promise.withResolvers(),
+ ac = new AbortController();
+ document.addEventListener("visibilitychange", () => {
+ if (document.visibilityState === "hidden") {
+ hiddenCapability.resolve();
+ }
+ }, {
+ signal: AbortSignal.any([signal, ac.signal])
+ });
+ await Promise.race([this._onePageRenderedCapability.promise, hiddenCapability.promise]);
+ ac.abort();
+ }
+ async getAllText() {
+ const texts = [];
+ const buffer = [];
+ for (let pageNum = 1, pagesCount = this.pdfDocument.numPages; pageNum <= pagesCount; ++pageNum) {
+ if (this.#interruptCopyCondition) {
+ return null;
+ }
+ buffer.length = 0;
+ const page = await this.pdfDocument.getPage(pageNum);
+ const {
+ items
+ } = await page.getTextContent();
+ for (const item of items) {
+ if (item.str) {
+ buffer.push(item.str);
+ }
+ if (item.hasEOL) {
+ buffer.push("\n");
+ }
+ }
+ texts.push(removeNullCharacters(buffer.join("")));
+ }
+ return texts.join("\n");
+ }
+ #copyCallback(textLayerMode, event) {
+ const selection = document.getSelection();
+ const {
+ focusNode,
+ anchorNode
+ } = selection;
+ if (anchorNode && focusNode && selection.containsNode(this.#hiddenCopyElement)) {
+ if (this.#getAllTextInProgress || textLayerMode === TextLayerMode.ENABLE_PERMISSIONS) {
+ stopEvent(event);
+ return;
+ }
+ this.#getAllTextInProgress = true;
+ const {
+ classList
+ } = this.viewer;
+ classList.add("copyAll");
+ const ac = new AbortController();
+ window.addEventListener("keydown", ev => this.#interruptCopyCondition = ev.key === "Escape", {
+ signal: ac.signal
+ });
+ this.getAllText().then(async text => {
+ if (text !== null) {
+ await navigator.clipboard.writeText(text);
+ }
+ }).catch(reason => {
+ console.warn(`Something goes wrong when extracting the text: ${reason.message}`);
+ }).finally(() => {
+ this.#getAllTextInProgress = false;
+ this.#interruptCopyCondition = false;
+ ac.abort();
+ classList.remove("copyAll");
+ });
+ stopEvent(event);
+ }
+ }
+ setDocument(pdfDocument) {
+ if (this.pdfDocument) {
+ this.eventBus.dispatch("pagesdestroy", {
+ source: this
+ });
+ this._cancelRendering();
+ this._resetView();
+ this.findController?.setDocument(null);
+ this._scriptingManager?.setDocument(null);
+ this.#annotationEditorUIManager?.destroy();
+ this.#annotationEditorUIManager = null;
+ this.#annotationEditorMode = AnnotationEditorType.NONE;
+ this.#printingAllowed = true;
+ }
+ this.pdfDocument = pdfDocument;
+ if (!pdfDocument) {
+ return;
+ }
+ const pagesCount = pdfDocument.numPages;
+ const firstPagePromise = pdfDocument.getPage(1);
+ const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ });
+ const permissionsPromise = this.#enablePermissions ? pdfDocument.getPermissions() : Promise.resolve();
+ const {
+ eventBus,
+ pageColors,
+ viewer
+ } = this;
+ this.#eventAbortController = new AbortController();
+ const {
+ signal
+ } = this.#eventAbortController;
+ if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
+ console.warn("Forcing PAGE-scrolling for performance reasons, given the length of the document.");
+ const mode = this._scrollMode = ScrollMode.PAGE;
+ eventBus.dispatch("scrollmodechanged", {
+ source: this,
+ mode
+ });
+ }
+ this._pagesCapability.promise.then(() => {
+ eventBus.dispatch("pagesloaded", {
+ source: this,
+ pagesCount
+ });
+ }, () => {});
+ const onBeforeDraw = evt => {
+ const pageView = this._pages[evt.pageNumber - 1];
+ if (!pageView) {
+ return;
+ }
+ this.#buffer.push(pageView);
+ };
+ eventBus._on("pagerender", onBeforeDraw, {
+ signal
+ });
+ const onAfterDraw = evt => {
+ if (evt.cssTransform || evt.isDetailView) {
+ return;
+ }
+ this._onePageRenderedCapability.resolve({
+ timestamp: evt.timestamp
+ });
+ eventBus._off("pagerendered", onAfterDraw);
+ };
+ eventBus._on("pagerendered", onAfterDraw, {
+ signal
+ });
+ Promise.all([firstPagePromise, permissionsPromise]).then(([firstPdfPage, permissions]) => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this._firstPageCapability.resolve(firstPdfPage);
+ this._optionalContentConfigPromise = optionalContentConfigPromise;
+ const {
+ annotationEditorMode,
+ annotationMode,
+ textLayerMode
+ } = this.#initializePermissions(permissions);
+ if (textLayerMode !== TextLayerMode.DISABLE) {
+ const element = this.#hiddenCopyElement = document.createElement("div");
+ element.id = "hiddenCopyElement";
+ viewer.before(element);
+ }
+ if (annotationEditorMode !== AnnotationEditorType.DISABLE) {
+ const mode = annotationEditorMode;
+ if (pdfDocument.isPureXfa) {
+ console.warn("Warning: XFA-editing is not implemented.");
+ } else if (isValidAnnotationEditorMode(mode)) {
+ this.#annotationEditorUIManager = new AnnotationEditorUIManager(this.container, viewer, this.#viewerAlert, this.#altTextManager, this.#commentManager, this.#signatureManager, eventBus, pdfDocument, pageColors, this.#annotationEditorHighlightColors, this.#enableHighlightFloatingButton, this.#enableUpdatedAddImage, this.#enableNewAltTextWhenAddingImage, this.#mlManager, this.#editorUndoBar, this.#supportsPinchToZoom);
+ eventBus.dispatch("annotationeditoruimanager", {
+ source: this,
+ uiManager: this.#annotationEditorUIManager
+ });
+ if (mode !== AnnotationEditorType.NONE) {
+ this.#preloadEditingData(mode);
+ this.#annotationEditorUIManager.updateMode(mode);
+ }
+ } else {
+ console.error(`Invalid AnnotationEditor mode: ${mode}`);
+ }
+ }
+ const viewerElement = this._scrollMode === ScrollMode.PAGE ? null : viewer;
+ const scale = this.currentScale;
+ const viewport = firstPdfPage.getViewport({
+ scale: scale * PixelsPerInch.PDF_TO_CSS_UNITS
+ });
+ viewer.style.setProperty("--scale-factor", viewport.scale);
+ if (pageColors?.background) {
+ viewer.style.setProperty("--page-bg-color", pageColors.background);
+ }
+ if (pageColors?.foreground === "CanvasText" || pageColors?.background === "Canvas") {
+ viewer.style.setProperty("--hcm-highlight-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight", "CanvasText", "Canvas", "HighlightText", "Highlight"));
+ viewer.style.setProperty("--hcm-highlight-selected-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight_selected", "CanvasText", "Canvas", "HighlightText", "ButtonText"));
+ }
+ for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
+ const pageView = new PDFPageView({
+ container: viewerElement,
+ eventBus,
+ id: pageNum,
+ scale,
+ defaultViewport: viewport.clone(),
+ optionalContentConfigPromise,
+ renderingQueue: this.renderingQueue,
+ textLayerMode,
+ annotationMode,
+ imageResourcesPath: this.imageResourcesPath,
+ maxCanvasPixels: this.maxCanvasPixels,
+ maxCanvasDim: this.maxCanvasDim,
+ capCanvasAreaFactor: this.capCanvasAreaFactor,
+ enableDetailCanvas: this.enableDetailCanvas,
+ enableOptimizedPartialRendering: this.enableOptimizedPartialRendering,
+ pageColors,
+ l10n: this.l10n,
+ layerProperties: this._layerProperties,
+ enableHWA: this.#enableHWA,
+ enableAutoLinking: this.#enableAutoLinking,
+ minDurationToUpdateCanvas: this.#minDurationToUpdateCanvas,
+ commentManager: this.#commentManager
+ });
+ this._pages.push(pageView);
+ }
+ this._pages[0]?.setPdfPage(firstPdfPage);
+ if (this._scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ } else if (this._spreadMode !== SpreadMode.NONE) {
+ this._updateSpreadMode();
+ }
+ eventBus._on("annotationeditorlayerrendered", evt => {
+ if (this.#annotationEditorUIManager) {
+ eventBus.dispatch("annotationeditormodechanged", {
+ source: this,
+ mode: this.#annotationEditorMode
+ });
+ }
+ }, {
+ once: true,
+ signal
+ });
+ this.#onePageRenderedOrForceFetch(signal).then(async () => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.findController?.setDocument(pdfDocument);
+ this._scriptingManager?.setDocument(pdfDocument);
+ if (this.#hiddenCopyElement) {
+ document.addEventListener("copy", this.#copyCallback.bind(this, textLayerMode), {
+ signal
+ });
+ }
+ if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT) {
+ this._pagesCapability.resolve();
+ return;
+ }
+ let getPagesLeft = pagesCount - 1;
+ if (getPagesLeft <= 0) {
+ this._pagesCapability.resolve();
+ return;
+ }
+ for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
+ const promise = pdfDocument.getPage(pageNum).then(pdfPage => {
+ const pageView = this._pages[pageNum - 1];
+ if (!pageView.pdfPage) {
+ pageView.setPdfPage(pdfPage);
+ }
+ if (--getPagesLeft === 0) {
+ this._pagesCapability.resolve();
+ }
+ }, reason => {
+ console.error(`Unable to get page ${pageNum} to initialize viewer`, reason);
+ if (--getPagesLeft === 0) {
+ this._pagesCapability.resolve();
+ }
+ });
+ if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) {
+ await promise;
+ }
+ }
+ });
+ eventBus.dispatch("pagesinit", {
+ source: this
+ });
+ pdfDocument.getMetadata().then(({
+ info
+ }) => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ if (info.Language) {
+ viewer.lang = info.Language;
+ }
+ });
+ if (this.defaultRenderingQueue) {
+ this.update();
+ }
+ }).catch(reason => {
+ console.error("Unable to initialize viewer", reason);
+ this._pagesCapability.reject(reason);
+ });
+ }
+ setPageLabels(labels) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!labels) {
+ this._pageLabels = null;
+ } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
+ this._pageLabels = null;
+ console.error(`setPageLabels: Invalid page labels.`);
+ } else {
+ this._pageLabels = labels;
+ }
+ for (let i = 0, ii = this._pages.length; i < ii; i++) {
+ this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null);
+ }
+ }
+ _resetView() {
+ this._pages = [];
+ this._currentPageNumber = 1;
+ this._currentScale = UNKNOWN_SCALE;
+ this._currentScaleValue = null;
+ this._pageLabels = null;
+ this.#buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
+ this._location = null;
+ this._pagesRotation = 0;
+ this._optionalContentConfigPromise = null;
+ this._firstPageCapability = Promise.withResolvers();
+ this._onePageRenderedCapability = Promise.withResolvers();
+ this._pagesCapability = Promise.withResolvers();
+ this._scrollMode = ScrollMode.VERTICAL;
+ this._previousScrollMode = ScrollMode.UNKNOWN;
+ this._spreadMode = SpreadMode.NONE;
+ this.#scrollModePageState = {
+ previousPageNumber: 1,
+ scrollDown: true,
+ pages: []
+ };
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ this.viewer.textContent = "";
+ this._updateScrollMode();
+ this.viewer.removeAttribute("lang");
+ this.#hiddenCopyElement?.remove();
+ this.#hiddenCopyElement = null;
+ this.#cleanupTimeouts();
+ this.#cleanupSwitchAnnotationEditorMode();
+ }
+ #ensurePageViewVisible() {
+ if (this._scrollMode !== ScrollMode.PAGE) {
+ throw new Error("#ensurePageViewVisible: Invalid scrollMode value.");
+ }
+ const pageNumber = this._currentPageNumber,
+ state = this.#scrollModePageState,
+ viewer = this.viewer;
+ viewer.textContent = "";
+ state.pages.length = 0;
+ if (this._spreadMode === SpreadMode.NONE && !this.isInPresentationMode) {
+ const pageView = this._pages[pageNumber - 1];
+ viewer.append(pageView.div);
+ state.pages.push(pageView);
+ } else {
+ const pageIndexSet = new Set(),
+ parity = this._spreadMode - 1;
+ if (parity === -1) {
+ pageIndexSet.add(pageNumber - 1);
+ } else if (pageNumber % 2 !== parity) {
+ pageIndexSet.add(pageNumber - 1);
+ pageIndexSet.add(pageNumber);
+ } else {
+ pageIndexSet.add(pageNumber - 2);
+ pageIndexSet.add(pageNumber - 1);
+ }
+ const spread = document.createElement("div");
+ spread.className = "spread";
+ if (this.isInPresentationMode) {
+ const dummyPage = document.createElement("div");
+ dummyPage.className = "dummyPage";
+ spread.append(dummyPage);
+ }
+ for (const i of pageIndexSet) {
+ const pageView = this._pages[i];
+ if (!pageView) {
+ continue;
+ }
+ spread.append(pageView.div);
+ state.pages.push(pageView);
+ }
+ viewer.append(spread);
+ }
+ state.scrollDown = pageNumber >= state.previousPageNumber;
+ state.previousPageNumber = pageNumber;
+ }
+ _scrollUpdate() {
+ if (this.pagesCount === 0) {
+ return;
+ }
+ if (this.#scrollTimeoutId) {
+ clearTimeout(this.#scrollTimeoutId);
+ }
+ this.#scrollTimeoutId = setTimeout(() => {
+ this.#scrollTimeoutId = null;
+ this.update();
+ }, 100);
+ this.update();
+ }
+ #scrollIntoView(pageView, pageSpot = null) {
+ const {
+ div,
+ id
+ } = pageView;
+ if (this._currentPageNumber !== id) {
+ this._setCurrentPageNumber(id);
+ }
+ if (this._scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ this.update();
+ }
+ if (!pageSpot && !this.isInPresentationMode) {
+ const left = div.offsetLeft + div.clientLeft,
+ right = left + div.clientWidth;
+ const {
+ scrollLeft,
+ clientWidth
+ } = this.container;
+ if (this._scrollMode === ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) {
+ pageSpot = {
+ left: 0,
+ top: 0
+ };
+ }
+ }
+ scrollIntoView(div, pageSpot);
+ if (!this._currentScaleValue && this._location) {
+ this._location = null;
+ }
+ }
+ #isSameScale(newScale) {
+ return newScale === this._currentScale || Math.abs(newScale - this._currentScale) < 1e-15;
+ }
+ #setScaleUpdatePages(newScale, newValue, {
+ noScroll = false,
+ preset = false,
+ drawingDelay = -1,
+ origin = null
+ }) {
+ this._currentScaleValue = newValue.toString();
+ if (this.#isSameScale(newScale)) {
+ if (preset) {
+ this.eventBus.dispatch("scalechanging", {
+ source: this,
+ scale: newScale,
+ presetValue: newValue
+ });
+ }
+ return;
+ }
+ this.viewer.style.setProperty("--scale-factor", newScale * PixelsPerInch.PDF_TO_CSS_UNITS);
+ const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000;
+ this.refresh(true, {
+ scale: newScale,
+ drawingDelay: postponeDrawing ? drawingDelay : -1
+ });
+ if (postponeDrawing) {
+ this.#scaleTimeoutId = setTimeout(() => {
+ this.#scaleTimeoutId = null;
+ this.refresh();
+ }, drawingDelay);
+ }
+ const previousScale = this._currentScale;
+ this._currentScale = newScale;
+ if (!noScroll) {
+ let page = this._currentPageNumber,
+ dest;
+ if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
+ page = this._location.pageNumber;
+ dest = [null, {
+ name: "XYZ"
+ }, this._location.left, this._location.top, null];
+ }
+ this.scrollPageIntoView({
+ pageNumber: page,
+ destArray: dest,
+ allowNegativeOffset: true
+ });
+ if (Array.isArray(origin)) {
+ const scaleDiff = newScale / previousScale - 1;
+ const [top, left] = this.containerTopLeft;
+ this.container.scrollLeft += (origin[0] - left) * scaleDiff;
+ this.container.scrollTop += (origin[1] - top) * scaleDiff;
+ }
+ }
+ this.eventBus.dispatch("scalechanging", {
+ source: this,
+ scale: newScale,
+ presetValue: preset ? newValue : undefined
+ });
+ if (this.defaultRenderingQueue) {
+ this.update();
+ }
+ }
+ get #pageWidthScaleFactor() {
+ if (this._spreadMode !== SpreadMode.NONE && this._scrollMode !== ScrollMode.HORIZONTAL) {
+ return 2;
+ }
+ return 1;
+ }
+ #setScale(value, options) {
+ let scale = parseFloat(value);
+ if (scale > 0) {
+ options.preset = false;
+ this.#setScaleUpdatePages(scale, value, options);
+ } else {
+ const currentPage = this._pages[this._currentPageNumber - 1];
+ if (!currentPage) {
+ return;
+ }
+ let hPadding = SCROLLBAR_PADDING,
+ vPadding = VERTICAL_PADDING;
+ if (this.isInPresentationMode) {
+ hPadding = vPadding = 4;
+ if (this._spreadMode !== SpreadMode.NONE) {
+ hPadding *= 2;
+ }
+ } else if (this.removePageBorders) {
+ hPadding = vPadding = 0;
+ } else if (this._scrollMode === ScrollMode.HORIZONTAL) {
+ [hPadding, vPadding] = [vPadding, hPadding];
+ }
+ const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale / this.#pageWidthScaleFactor;
+ const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
+ switch (value) {
+ case "page-actual":
+ scale = 1;
+ break;
+ case "page-width":
+ scale = pageWidthScale;
+ break;
+ case "page-height":
+ scale = pageHeightScale;
+ break;
+ case "page-fit":
+ scale = Math.min(pageWidthScale, pageHeightScale);
+ break;
+ case "auto":
+ const horizontalScale = isPortraitOrientation(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
+ scale = Math.min(MAX_AUTO_SCALE, horizontalScale);
+ break;
+ default:
+ console.error(`#setScale: "${value}" is an unknown zoom value.`);
+ return;
+ }
+ options.preset = true;
+ this.#setScaleUpdatePages(scale, value, options);
+ }
+ }
+ #resetCurrentPageView() {
+ const pageView = this._pages[this._currentPageNumber - 1];
+ if (this.isInPresentationMode) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this.#scrollIntoView(pageView);
+ }
+ pageLabelToPageNumber(label) {
+ if (!this._pageLabels) {
+ return null;
+ }
+ const i = this._pageLabels.indexOf(label);
+ if (i < 0) {
+ return null;
+ }
+ return i + 1;
+ }
+ scrollPageIntoView({
+ pageNumber,
+ destArray = null,
+ allowNegativeOffset = false,
+ ignoreDestinationZoom = false,
+ center = null
+ }) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
+ if (!pageView) {
+ console.error(`scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`);
+ return;
+ }
+ if (this.isInPresentationMode || !destArray) {
+ this._setCurrentPageNumber(pageNumber, true);
+ return;
+ }
+ let x = 0,
+ y = 0;
+ let width = 0,
+ height = 0,
+ widthScale,
+ heightScale;
+ const changeOrientation = pageView.rotation % 180 !== 0;
+ const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS;
+ const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS;
+ let scale = 0;
+ switch (destArray[1].name) {
+ case "XYZ":
+ x = destArray[2];
+ y = destArray[3];
+ scale = destArray[4];
+ x = x !== null ? x : 0;
+ y = y !== null ? y : pageHeight;
+ break;
+ case "Fit":
+ case "FitB":
+ scale = "page-fit";
+ break;
+ case "FitH":
+ case "FitBH":
+ y = destArray[2];
+ scale = "page-width";
+ if (y === null && this._location) {
+ x = this._location.left;
+ y = this._location.top;
+ } else if (typeof y !== "number" || y < 0) {
+ y = pageHeight;
+ }
+ break;
+ case "FitV":
+ case "FitBV":
+ x = destArray[2];
+ width = pageWidth;
+ height = pageHeight;
+ scale = "page-height";
+ break;
+ case "FitR":
+ x = destArray[2];
+ y = destArray[3];
+ width = destArray[4] - x;
+ height = destArray[5] - y;
+ let hPadding = SCROLLBAR_PADDING,
+ vPadding = VERTICAL_PADDING;
+ if (this.removePageBorders) {
+ hPadding = vPadding = 0;
+ }
+ widthScale = (this.container.clientWidth - hPadding) / width / PixelsPerInch.PDF_TO_CSS_UNITS;
+ heightScale = (this.container.clientHeight - vPadding) / height / PixelsPerInch.PDF_TO_CSS_UNITS;
+ scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
+ break;
+ default:
+ console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`);
+ return;
+ }
+ if (!ignoreDestinationZoom) {
+ if (scale && scale !== this._currentScale) {
+ this.currentScaleValue = scale;
+ } else if (this._currentScale === UNKNOWN_SCALE) {
+ this.currentScaleValue = DEFAULT_SCALE_VALUE;
+ }
+ }
+ if (scale === "page-fit" && !destArray[4]) {
+ this.#scrollIntoView(pageView);
+ return;
+ }
+ const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
+ let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
+ let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
+ if (center) {
+ if (center === "both" || center === "vertical") {
+ top -= (this.container.clientHeight - Math.abs(boundingRect[1][1] - boundingRect[0][1])) / 2;
+ }
+ if (center === "both" || center === "horizontal") {
+ left -= (this.container.clientWidth - Math.abs(boundingRect[1][0] - boundingRect[0][0])) / 2;
+ }
+ } else if (!allowNegativeOffset) {
+ left = Math.max(left, 0);
+ top = Math.max(top, 0);
+ }
+ this.#scrollIntoView(pageView, {
+ left,
+ top
+ });
+ }
+ _updateLocation(firstPage) {
+ const currentScale = this._currentScale;
+ const currentScaleValue = this._currentScaleValue;
+ const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
+ const pageNumber = firstPage.id;
+ const currentPageView = this._pages[pageNumber - 1];
+ const container = this.container;
+ const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
+ const intLeft = Math.round(topLeft[0]);
+ const intTop = Math.round(topLeft[1]);
+ let pdfOpenParams = `#page=${pageNumber}`;
+ if (!this.isInPresentationMode) {
+ pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`;
+ }
+ this._location = {
+ pageNumber,
+ scale: normalizedScaleValue,
+ top: intTop,
+ left: intLeft,
+ rotation: this._pagesRotation,
+ pdfOpenParams
+ };
+ }
+ update() {
+ const visible = this._getVisiblePages();
+ const visiblePages = visible.views,
+ numVisiblePages = visiblePages.length;
+ if (numVisiblePages === 0) {
+ return;
+ }
+ const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
+ this.#buffer.resize(newCacheSize, visible.ids);
+ for (const {
+ view,
+ visibleArea
+ } of visiblePages) {
+ view.updateVisibleArea(visibleArea);
+ }
+ for (const view of this.#buffer) {
+ if (!visible.ids.has(view.id)) {
+ view.updateVisibleArea(null);
+ }
+ }
+ this.renderingQueue.renderHighestPriority(visible);
+ const isSimpleLayout = this._spreadMode === SpreadMode.NONE && (this._scrollMode === ScrollMode.PAGE || this._scrollMode === ScrollMode.VERTICAL);
+ const currentId = this._currentPageNumber;
+ let stillFullyVisible = false;
+ for (const page of visiblePages) {
+ if (page.percent < 100) {
+ break;
+ }
+ if (page.id === currentId && isSimpleLayout) {
+ stillFullyVisible = true;
+ break;
+ }
+ }
+ this._setCurrentPageNumber(stillFullyVisible ? currentId : visiblePages[0].id);
+ this._updateLocation(visible.first);
+ this.eventBus.dispatch("updateviewarea", {
+ source: this,
+ location: this._location
+ });
+ }
+ #switchToEditAnnotationMode() {
+ const visible = this._getVisiblePages();
+ const pagesToRefresh = [];
+ const {
+ ids,
+ views
+ } = visible;
+ for (const page of views) {
+ const {
+ view
+ } = page;
+ if (!view.hasEditableAnnotations()) {
+ ids.delete(view.id);
+ continue;
+ }
+ pagesToRefresh.push(page);
+ }
+ if (pagesToRefresh.length === 0) {
+ return null;
+ }
+ this.renderingQueue.renderHighestPriority({
+ first: pagesToRefresh[0],
+ last: pagesToRefresh.at(-1),
+ views: pagesToRefresh,
+ ids
+ });
+ return ids;
+ }
+ containsElement(element) {
+ return this.container.contains(element);
+ }
+ focus() {
+ this.container.focus();
+ }
+ get _isContainerRtl() {
+ return getComputedStyle(this.container).direction === "rtl";
+ }
+ get isInPresentationMode() {
+ return this.presentationModeState === PresentationModeState.FULLSCREEN;
+ }
+ get isChangingPresentationMode() {
+ return this.presentationModeState === PresentationModeState.CHANGING;
+ }
+ get isHorizontalScrollbarEnabled() {
+ return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
+ }
+ get isVerticalScrollbarEnabled() {
+ return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
+ }
+ _getVisiblePages() {
+ const views = this._scrollMode === ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages,
+ horizontal = this._scrollMode === ScrollMode.HORIZONTAL,
+ rtl = horizontal && this._isContainerRtl;
+ return getVisibleElements({
+ scrollEl: this.container,
+ views,
+ sortByVisibility: true,
+ horizontal,
+ rtl
+ });
+ }
+ cleanup() {
+ for (const pageView of this._pages) {
+ if (pageView.renderingState !== RenderingStates.FINISHED) {
+ pageView.reset();
+ }
+ }
+ }
+ _cancelRendering() {
+ for (const pageView of this._pages) {
+ pageView.cancelRendering();
+ }
+ }
+ async #ensurePdfPageLoaded(pageView) {
+ if (pageView.pdfPage) {
+ return pageView.pdfPage;
+ }
+ try {
+ const pdfPage = await this.pdfDocument.getPage(pageView.id);
+ if (!pageView.pdfPage) {
+ pageView.setPdfPage(pdfPage);
+ }
+ return pdfPage;
+ } catch (reason) {
+ console.error("Unable to get page for page view", reason);
+ return null;
+ }
+ }
+ #getScrollAhead(visible) {
+ if (visible.first?.id === 1) {
+ return true;
+ } else if (visible.last?.id === this.pagesCount) {
+ return false;
+ }
+ switch (this._scrollMode) {
+ case ScrollMode.PAGE:
+ return this.#scrollModePageState.scrollDown;
+ case ScrollMode.HORIZONTAL:
+ return this.scroll.right;
+ }
+ return this.scroll.down;
+ }
+ forceRendering(currentlyVisiblePages) {
+ const visiblePages = currentlyVisiblePages || this._getVisiblePages();
+ const scrollAhead = this.#getScrollAhead(visiblePages);
+ const preRenderExtra = this._spreadMode !== SpreadMode.NONE && this._scrollMode !== ScrollMode.HORIZONTAL;
+ const ignoreDetailViews = this.#scaleTimeoutId !== null || this.#scrollTimeoutId !== null && visiblePages.views.some(page => page.detailView?.renderingCancelled);
+ const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead, preRenderExtra, ignoreDetailViews);
+ if (pageView) {
+ this.#ensurePdfPageLoaded(pageView).then(() => {
+ this.renderingQueue.renderView(pageView);
+ });
+ return true;
+ }
+ return false;
+ }
+ get hasEqualPageSizes() {
+ const firstPageView = this._pages[0];
+ for (let i = 1, ii = this._pages.length; i < ii; ++i) {
+ const pageView = this._pages[i];
+ if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
+ return false;
+ }
+ }
+ return true;
+ }
+ getPagesOverview() {
+ let initialOrientation;
+ return this._pages.map(pageView => {
+ const viewport = pageView.pdfPage.getViewport({
+ scale: 1
+ });
+ const orientation = isPortraitOrientation(viewport);
+ if (initialOrientation === undefined) {
+ initialOrientation = orientation;
+ } else if (this.enablePrintAutoRotate && orientation !== initialOrientation) {
+ return {
+ width: viewport.height,
+ height: viewport.width,
+ rotation: (viewport.rotation - 90) % 360
+ };
+ }
+ return {
+ width: viewport.width,
+ height: viewport.height,
+ rotation: viewport.rotation
+ };
+ });
+ }
+ get optionalContentConfigPromise() {
+ if (!this.pdfDocument) {
+ return Promise.resolve(null);
+ }
+ if (!this._optionalContentConfigPromise) {
+ console.error("optionalContentConfigPromise: Not initialized yet.");
+ return this.pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ });
+ }
+ return this._optionalContentConfigPromise;
+ }
+ set optionalContentConfigPromise(promise) {
+ if (!(promise instanceof Promise)) {
+ throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!this._optionalContentConfigPromise) {
+ return;
+ }
+ this._optionalContentConfigPromise = promise;
+ this.refresh(false, {
+ optionalContentConfigPromise: promise
+ });
+ this.eventBus.dispatch("optionalcontentconfigchanged", {
+ source: this,
+ promise
+ });
+ }
+ get scrollMode() {
+ return this._scrollMode;
+ }
+ set scrollMode(mode) {
+ if (this._scrollMode === mode) {
+ return;
+ }
+ if (!isValidScrollMode(mode)) {
+ throw new Error(`Invalid scroll mode: ${mode}`);
+ }
+ if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
+ return;
+ }
+ this._previousScrollMode = this._scrollMode;
+ this._scrollMode = mode;
+ this.eventBus.dispatch("scrollmodechanged", {
+ source: this,
+ mode
+ });
+ this._updateScrollMode(this._currentPageNumber);
+ }
+ _updateScrollMode(pageNumber = null) {
+ const scrollMode = this._scrollMode,
+ viewer = this.viewer;
+ viewer.classList.toggle("scrollHorizontal", scrollMode === ScrollMode.HORIZONTAL);
+ viewer.classList.toggle("scrollWrapped", scrollMode === ScrollMode.WRAPPED);
+ if (!this.pdfDocument || !pageNumber) {
+ return;
+ }
+ if (scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ } else if (this._previousScrollMode === ScrollMode.PAGE) {
+ this._updateSpreadMode();
+ }
+ if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this._setCurrentPageNumber(pageNumber, true);
+ this.update();
+ }
+ get spreadMode() {
+ return this._spreadMode;
+ }
+ set spreadMode(mode) {
+ if (this._spreadMode === mode) {
+ return;
+ }
+ if (!isValidSpreadMode(mode)) {
+ throw new Error(`Invalid spread mode: ${mode}`);
+ }
+ this._spreadMode = mode;
+ this.eventBus.dispatch("spreadmodechanged", {
+ source: this,
+ mode
+ });
+ this._updateSpreadMode(this._currentPageNumber);
+ }
+ _updateSpreadMode(pageNumber = null) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const viewer = this.viewer,
+ pages = this._pages;
+ if (this._scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ } else {
+ viewer.textContent = "";
+ if (this._spreadMode === SpreadMode.NONE) {
+ for (const pageView of this._pages) {
+ viewer.append(pageView.div);
+ }
+ } else {
+ const parity = this._spreadMode - 1;
+ let spread = null;
+ for (let i = 0, ii = pages.length; i < ii; ++i) {
+ if (spread === null) {
+ spread = document.createElement("div");
+ spread.className = "spread";
+ viewer.append(spread);
+ } else if (i % 2 === parity) {
+ spread = spread.cloneNode(false);
+ viewer.append(spread);
+ }
+ spread.append(pages[i].div);
+ }
+ }
+ }
+ if (!pageNumber) {
+ return;
+ }
+ if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this._setCurrentPageNumber(pageNumber, true);
+ this.update();
+ }
+ _getPageAdvance(currentPageNumber, previous = false) {
+ switch (this._scrollMode) {
+ case ScrollMode.WRAPPED:
+ {
+ const {
+ views
+ } = this._getVisiblePages(),
+ pageLayout = new Map();
+ for (const {
+ id,
+ y,
+ percent,
+ widthPercent
+ } of views) {
+ if (percent === 0 || widthPercent < 100) {
+ continue;
+ }
+ let yArray = pageLayout.get(y);
+ if (!yArray) {
+ pageLayout.set(y, yArray ||= []);
+ }
+ yArray.push(id);
+ }
+ for (const yArray of pageLayout.values()) {
+ const currentIndex = yArray.indexOf(currentPageNumber);
+ if (currentIndex === -1) {
+ continue;
+ }
+ const numPages = yArray.length;
+ if (numPages === 1) {
+ break;
+ }
+ if (previous) {
+ for (let i = currentIndex - 1, ii = 0; i >= ii; i--) {
+ const currentId = yArray[i],
+ expectedId = yArray[i + 1] - 1;
+ if (currentId < expectedId) {
+ return currentPageNumber - expectedId;
+ }
+ }
+ } else {
+ for (let i = currentIndex + 1, ii = numPages; i < ii; i++) {
+ const currentId = yArray[i],
+ expectedId = yArray[i - 1] + 1;
+ if (currentId > expectedId) {
+ return expectedId - currentPageNumber;
+ }
+ }
+ }
+ if (previous) {
+ const firstId = yArray[0];
+ if (firstId < currentPageNumber) {
+ return currentPageNumber - firstId + 1;
+ }
+ } else {
+ const lastId = yArray[numPages - 1];
+ if (lastId > currentPageNumber) {
+ return lastId - currentPageNumber + 1;
+ }
+ }
+ break;
+ }
+ break;
+ }
+ case ScrollMode.HORIZONTAL:
+ {
+ break;
+ }
+ case ScrollMode.PAGE:
+ case ScrollMode.VERTICAL:
+ {
+ if (this._spreadMode === SpreadMode.NONE) {
+ break;
+ }
+ const parity = this._spreadMode - 1;
+ if (previous && currentPageNumber % 2 !== parity) {
+ break;
+ } else if (!previous && currentPageNumber % 2 === parity) {
+ break;
+ }
+ const {
+ views
+ } = this._getVisiblePages(),
+ expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1;
+ for (const {
+ id,
+ percent,
+ widthPercent
+ } of views) {
+ if (id !== expectedId) {
+ continue;
+ }
+ if (percent > 0 && widthPercent === 100) {
+ return 2;
+ }
+ break;
+ }
+ break;
+ }
+ }
+ return 1;
+ }
+ nextPage() {
+ const currentPageNumber = this._currentPageNumber,
+ pagesCount = this.pagesCount;
+ if (currentPageNumber >= pagesCount) {
+ return false;
+ }
+ const advance = this._getPageAdvance(currentPageNumber, false) || 1;
+ this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount);
+ return true;
+ }
+ previousPage() {
+ const currentPageNumber = this._currentPageNumber;
+ if (currentPageNumber <= 1) {
+ return false;
+ }
+ const advance = this._getPageAdvance(currentPageNumber, true) || 1;
+ this.currentPageNumber = Math.max(currentPageNumber - advance, 1);
+ return true;
+ }
+ updateScale({
+ drawingDelay,
+ scaleFactor = null,
+ steps = null,
+ origin
+ }) {
+ if (steps === null && scaleFactor === null) {
+ throw new Error("Invalid updateScale options: either `steps` or `scaleFactor` must be provided.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ let newScale = this._currentScale;
+ if (scaleFactor > 0 && scaleFactor !== 1) {
+ newScale = Math.round(newScale * scaleFactor * 100) / 100;
+ } else if (steps) {
+ const delta = steps > 0 ? DEFAULT_SCALE_DELTA : 1 / DEFAULT_SCALE_DELTA;
+ const round = steps > 0 ? Math.ceil : Math.floor;
+ steps = Math.abs(steps);
+ do {
+ newScale = round((newScale * delta).toFixed(2) * 10) / 10;
+ } while (--steps > 0);
+ }
+ newScale = MathClamp(newScale, MIN_SCALE, MAX_SCALE);
+ this.#setScale(newScale, {
+ noScroll: false,
+ drawingDelay,
+ origin
+ });
+ }
+ increaseScale(options = {}) {
+ this.updateScale({
+ ...options,
+ steps: options.steps ?? 1
+ });
+ }
+ decreaseScale(options = {}) {
+ this.updateScale({
+ ...options,
+ steps: -(options.steps ?? 1)
+ });
+ }
+ #updateContainerHeightCss(height = this.container.clientHeight) {
+ if (height !== this.#previousContainerHeight) {
+ this.#previousContainerHeight = height;
+ docStyle.setProperty("--viewer-container-height", `${height}px`);
+ }
+ }
+ #resizeObserverCallback(entries) {
+ for (const entry of entries) {
+ if (entry.target === this.container) {
+ this.#updateContainerHeightCss(Math.floor(entry.borderBoxSize[0].blockSize));
+ this.#containerTopLeft = null;
+ break;
+ }
+ }
+ }
+ get containerTopLeft() {
+ return this.#containerTopLeft ||= [this.container.offsetTop, this.container.offsetLeft];
+ }
+ #cleanupTimeouts() {
+ if (this.#scaleTimeoutId !== null) {
+ clearTimeout(this.#scaleTimeoutId);
+ this.#scaleTimeoutId = null;
+ }
+ if (this.#scrollTimeoutId !== null) {
+ clearTimeout(this.#scrollTimeoutId);
+ this.#scrollTimeoutId = null;
+ }
+ }
+ #cleanupSwitchAnnotationEditorMode() {
+ this.#switchAnnotationEditorModeAC?.abort();
+ this.#switchAnnotationEditorModeAC = null;
+ if (this.#switchAnnotationEditorModeTimeoutId !== null) {
+ clearTimeout(this.#switchAnnotationEditorModeTimeoutId);
+ this.#switchAnnotationEditorModeTimeoutId = null;
+ }
+ }
+ #preloadEditingData(mode) {
+ switch (mode) {
+ case AnnotationEditorType.STAMP:
+ this.#mlManager?.loadModel("altText");
+ break;
+ case AnnotationEditorType.SIGNATURE:
+ this.#signatureManager?.loadSignatures();
+ break;
+ }
+ }
+ get annotationEditorMode() {
+ return this.#annotationEditorUIManager ? this.#annotationEditorMode : AnnotationEditorType.DISABLE;
+ }
+ set annotationEditorMode({
+ mode,
+ editId = null,
+ isFromKeyboard = false,
+ mustEnterInEditMode = false,
+ editComment = false
+ }) {
+ if (!this.#annotationEditorUIManager) {
+ throw new Error(`The AnnotationEditor is not enabled.`);
+ }
+ if (this.#annotationEditorMode === mode) {
+ return;
+ }
+ if (!isValidAnnotationEditorMode(mode)) {
+ throw new Error(`Invalid AnnotationEditor mode: ${mode}`);
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.#preloadEditingData(mode);
+ const {
+ eventBus,
+ pdfDocument
+ } = this;
+ const updater = async () => {
+ this.#cleanupSwitchAnnotationEditorMode();
+ this.#annotationEditorMode = mode;
+ await this.#annotationEditorUIManager.updateMode(mode, editId, isFromKeyboard, mustEnterInEditMode, editComment);
+ if (mode !== this.#annotationEditorMode || pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ eventBus.dispatch("annotationeditormodechanged", {
+ source: this,
+ mode
+ });
+ };
+ if (mode === AnnotationEditorType.NONE || this.#annotationEditorMode === AnnotationEditorType.NONE) {
+ const isEditing = mode !== AnnotationEditorType.NONE;
+ if (!isEditing) {
+ this.pdfDocument.annotationStorage.resetModifiedIds();
+ }
+ this.cleanup();
+ for (const pageView of this._pages) {
+ pageView.toggleEditingMode(isEditing);
+ }
+ const idsToRefresh = this.#switchToEditAnnotationMode();
+ if (isEditing && idsToRefresh) {
+ this.#cleanupSwitchAnnotationEditorMode();
+ this.#switchAnnotationEditorModeAC = new AbortController();
+ const signal = AbortSignal.any([this.#eventAbortController.signal, this.#switchAnnotationEditorModeAC.signal]);
+ eventBus._on("pagerendered", ({
+ pageNumber
+ }) => {
+ idsToRefresh.delete(pageNumber);
+ if (idsToRefresh.size === 0) {
+ this.#switchAnnotationEditorModeTimeoutId = setTimeout(updater, 0);
+ }
+ }, {
+ signal
+ });
+ return;
+ }
+ }
+ updater();
+ }
+ refresh(noUpdate = false, updateArgs = Object.create(null)) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ for (const pageView of this._pages) {
+ pageView.update(updateArgs);
+ }
+ this.#cleanupTimeouts();
+ if (!noUpdate) {
+ this.update();
+ }
+ }
+}
+
+;// ./web/secondary_toolbar.js
+
+
+class SecondaryToolbar {
+ #opts;
+ constructor(options, eventBus) {
+ this.#opts = options;
+ const buttons = [{
+ element: options.presentationModeButton,
+ eventName: "presentationmode",
+ close: true
+ }, {
+ element: options.printButton,
+ eventName: "print",
+ close: true
+ }, {
+ element: options.downloadButton,
+ eventName: "download",
+ close: true
+ }, {
+ element: options.viewBookmarkButton,
+ eventName: null,
+ close: true
+ }, {
+ element: options.firstPageButton,
+ eventName: "firstpage",
+ close: true
+ }, {
+ element: options.lastPageButton,
+ eventName: "lastpage",
+ close: true
+ }, {
+ element: options.pageRotateCwButton,
+ eventName: "rotatecw",
+ close: false
+ }, {
+ element: options.pageRotateCcwButton,
+ eventName: "rotateccw",
+ close: false
+ }, {
+ element: options.cursorSelectToolButton,
+ eventName: "switchcursortool",
+ eventDetails: {
+ tool: CursorTool.SELECT
+ },
+ close: true
+ }, {
+ element: options.cursorHandToolButton,
+ eventName: "switchcursortool",
+ eventDetails: {
+ tool: CursorTool.HAND
+ },
+ close: true
+ }, {
+ element: options.scrollPageButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.PAGE
+ },
+ close: true
+ }, {
+ element: options.scrollVerticalButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.VERTICAL
+ },
+ close: true
+ }, {
+ element: options.scrollHorizontalButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.HORIZONTAL
+ },
+ close: true
+ }, {
+ element: options.scrollWrappedButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.WRAPPED
+ },
+ close: true
+ }, {
+ element: options.spreadNoneButton,
+ eventName: "switchspreadmode",
+ eventDetails: {
+ mode: SpreadMode.NONE
+ },
+ close: true
+ }, {
+ element: options.spreadOddButton,
+ eventName: "switchspreadmode",
+ eventDetails: {
+ mode: SpreadMode.ODD
+ },
+ close: true
+ }, {
+ element: options.spreadEvenButton,
+ eventName: "switchspreadmode",
+ eventDetails: {
+ mode: SpreadMode.EVEN
+ },
+ close: true
+ }, {
+ element: options.imageAltTextSettingsButton,
+ eventName: "imagealttextsettings",
+ close: true
+ }, {
+ element: options.documentPropertiesButton,
+ eventName: "documentproperties",
+ close: true
+ }];
+ buttons.push({
+ element: options.openFileButton,
+ eventName: "openfile",
+ close: true
+ });
+ this.eventBus = eventBus;
+ this.opened = false;
+ this.#bindListeners(buttons);
+ this.reset();
+ }
+ get isOpen() {
+ return this.opened;
+ }
+ setPageNumber(pageNumber) {
+ this.pageNumber = pageNumber;
+ this.#updateUIState();
+ }
+ setPagesCount(pagesCount) {
+ this.pagesCount = pagesCount;
+ this.#updateUIState();
+ }
+ reset() {
+ this.pageNumber = 0;
+ this.pagesCount = 0;
+ this.#updateUIState();
+ this.eventBus.dispatch("switchcursortool", {
+ source: this,
+ reset: true
+ });
+ this.#scrollModeChanged({
+ mode: ScrollMode.VERTICAL
+ });
+ this.#spreadModeChanged({
+ mode: SpreadMode.NONE
+ });
+ }
+ #updateUIState() {
+ const {
+ firstPageButton,
+ lastPageButton,
+ pageRotateCwButton,
+ pageRotateCcwButton
+ } = this.#opts;
+ firstPageButton.disabled = this.pageNumber <= 1;
+ lastPageButton.disabled = this.pageNumber >= this.pagesCount;
+ pageRotateCwButton.disabled = this.pagesCount === 0;
+ pageRotateCcwButton.disabled = this.pagesCount === 0;
+ }
+ #bindListeners(buttons) {
+ const {
+ eventBus
+ } = this;
+ const {
+ toggleButton
+ } = this.#opts;
+ toggleButton.addEventListener("click", this.toggle.bind(this));
+ for (const {
+ element,
+ eventName,
+ close,
+ eventDetails
+ } of buttons) {
+ element.addEventListener("click", evt => {
+ if (eventName !== null) {
+ eventBus.dispatch(eventName, {
+ source: this,
+ ...eventDetails
+ });
+ }
+ if (close) {
+ this.close();
+ }
+ eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "buttons",
+ data: {
+ id: element.id
+ }
+ }
+ });
+ });
+ }
+ eventBus._on("cursortoolchanged", this.#cursorToolChanged.bind(this));
+ eventBus._on("scrollmodechanged", this.#scrollModeChanged.bind(this));
+ eventBus._on("spreadmodechanged", this.#spreadModeChanged.bind(this));
+ }
+ #cursorToolChanged({
+ tool,
+ disabled
+ }) {
+ const {
+ cursorSelectToolButton,
+ cursorHandToolButton
+ } = this.#opts;
+ toggleCheckedBtn(cursorSelectToolButton, tool === CursorTool.SELECT);
+ toggleCheckedBtn(cursorHandToolButton, tool === CursorTool.HAND);
+ cursorSelectToolButton.disabled = disabled;
+ cursorHandToolButton.disabled = disabled;
+ }
+ #scrollModeChanged({
+ mode
+ }) {
+ const {
+ scrollPageButton,
+ scrollVerticalButton,
+ scrollHorizontalButton,
+ scrollWrappedButton,
+ spreadNoneButton,
+ spreadOddButton,
+ spreadEvenButton
+ } = this.#opts;
+ toggleCheckedBtn(scrollPageButton, mode === ScrollMode.PAGE);
+ toggleCheckedBtn(scrollVerticalButton, mode === ScrollMode.VERTICAL);
+ toggleCheckedBtn(scrollHorizontalButton, mode === ScrollMode.HORIZONTAL);
+ toggleCheckedBtn(scrollWrappedButton, mode === ScrollMode.WRAPPED);
+ const forceScrollModePage = this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE;
+ scrollPageButton.disabled = forceScrollModePage;
+ scrollVerticalButton.disabled = forceScrollModePage;
+ scrollHorizontalButton.disabled = forceScrollModePage;
+ scrollWrappedButton.disabled = forceScrollModePage;
+ const isHorizontal = mode === ScrollMode.HORIZONTAL;
+ spreadNoneButton.disabled = isHorizontal;
+ spreadOddButton.disabled = isHorizontal;
+ spreadEvenButton.disabled = isHorizontal;
+ }
+ #spreadModeChanged({
+ mode
+ }) {
+ const {
+ spreadNoneButton,
+ spreadOddButton,
+ spreadEvenButton
+ } = this.#opts;
+ toggleCheckedBtn(spreadNoneButton, mode === SpreadMode.NONE);
+ toggleCheckedBtn(spreadOddButton, mode === SpreadMode.ODD);
+ toggleCheckedBtn(spreadEvenButton, mode === SpreadMode.EVEN);
+ }
+ open() {
+ if (this.opened) {
+ return;
+ }
+ this.opened = true;
+ const {
+ toggleButton,
+ toolbar
+ } = this.#opts;
+ toggleExpandedBtn(toggleButton, true, toolbar);
+ }
+ close() {
+ if (!this.opened) {
+ return;
+ }
+ this.opened = false;
+ const {
+ toggleButton,
+ toolbar
+ } = this.#opts;
+ toggleExpandedBtn(toggleButton, false, toolbar);
+ }
+ toggle() {
+ if (this.opened) {
+ this.close();
+ } else {
+ this.open();
+ }
+ }
+}
+
+;// ./web/signature_manager.js
+
+const DEFAULT_HEIGHT_IN_PAGE = 40;
+class SignatureManager {
+ #addButton;
+ #tabsToAltText = null;
+ #clearButton;
+ #clearDescription;
+ #currentEditor;
+ #description;
+ #dialog;
+ #drawCurves = null;
+ #drawPlaceholder;
+ #drawPath = null;
+ #drawPathString = "";
+ #drawPoints = null;
+ #drawSVG;
+ #drawThickness;
+ #errorBar;
+ #errorDescription;
+ #errorTitle;
+ #extractedSignatureData = null;
+ #imagePath = null;
+ #imagePicker;
+ #imagePickerLink;
+ #imagePlaceholder;
+ #imageSVG;
+ #saveCheckbox;
+ #saveContainer;
+ #tabButtons;
+ #addSignatureToolbarButton;
+ #loadSignaturesPromise = null;
+ #typeInput;
+ #currentTab = null;
+ #currentTabAC = null;
+ #hasDescriptionChanged = false;
+ #eventBus;
+ #isStorageFull = false;
+ #l10n;
+ #overlayManager;
+ #editDescriptionDialog;
+ #signatureStorage;
+ #uiManager = null;
+ static #l10nDescription = null;
+ constructor({
+ dialog,
+ panels,
+ typeButton,
+ typeInput,
+ drawButton,
+ drawPlaceholder,
+ drawSVG,
+ drawThickness,
+ imageButton,
+ imageSVG,
+ imagePlaceholder,
+ imagePicker,
+ imagePickerLink,
+ description,
+ clearButton,
+ cancelButton,
+ addButton,
+ errorCloseButton,
+ errorBar,
+ errorTitle,
+ errorDescription,
+ saveCheckbox,
+ saveContainer
+ }, editSignatureElements, addSignatureToolbarButton, overlayManager, l10n, signatureStorage, eventBus) {
+ this.#addButton = addButton;
+ this.#clearButton = clearButton;
+ this.#clearDescription = description.lastElementChild;
+ this.#description = description.firstElementChild;
+ this.#dialog = dialog;
+ this.#drawSVG = drawSVG;
+ this.#drawPlaceholder = drawPlaceholder;
+ this.#drawThickness = drawThickness;
+ this.#errorBar = errorBar;
+ this.#errorTitle = errorTitle;
+ this.#errorDescription = errorDescription;
+ this.#imageSVG = imageSVG;
+ this.#imagePlaceholder = imagePlaceholder;
+ this.#imagePicker = imagePicker;
+ this.#imagePickerLink = imagePickerLink;
+ this.#overlayManager = overlayManager;
+ this.#saveCheckbox = saveCheckbox;
+ this.#saveContainer = saveContainer;
+ this.#addSignatureToolbarButton = addSignatureToolbarButton;
+ this.#typeInput = typeInput;
+ this.#l10n = l10n;
+ this.#signatureStorage = signatureStorage;
+ this.#eventBus = eventBus;
+ this.#editDescriptionDialog = new EditDescriptionDialog(editSignatureElements, overlayManager);
+ SignatureManager.#l10nDescription ||= Object.freeze({
+ signature: "pdfjs-editor-add-signature-description-default-when-drawing",
+ errorUploadTitle: "pdfjs-editor-add-signature-image-upload-error-title",
+ errorUploadDescription: "pdfjs-editor-add-signature-image-upload-error-description",
+ errorNoDataTitle: "pdfjs-editor-add-signature-image-no-data-error-title",
+ errorNoDataDescription: "pdfjs-editor-add-signature-image-no-data-error-description"
+ });
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", e => {
+ const {
+ target
+ } = e;
+ if (target !== this.#typeInput && target !== this.#description) {
+ e.preventDefault();
+ }
+ });
+ dialog.addEventListener("drop", e => {
+ stopEvent(e);
+ });
+ cancelButton.addEventListener("click", this.#cancel.bind(this));
+ addButton.addEventListener("click", this.#add.bind(this));
+ clearButton.addEventListener("click", () => {
+ this.#reportTelemetry({
+ type: "signature",
+ action: "pdfjs.signature.clear",
+ data: {
+ type: this.#currentTab
+ }
+ });
+ this.#initTab(null);
+ }, {
+ passive: true
+ });
+ this.#description.addEventListener("input", () => {
+ this.#clearDescription.disabled = this.#description.value === "";
+ }, {
+ passive: true
+ });
+ this.#clearDescription.addEventListener("click", () => {
+ this.#description.value = "";
+ this.#clearDescription.disabled = true;
+ }, {
+ passive: true
+ });
+ errorCloseButton.addEventListener("click", () => {
+ errorBar.hidden = true;
+ }, {
+ passive: true
+ });
+ this.#initTabButtons(typeButton, drawButton, imageButton, panels);
+ imagePicker.accept = SupportedImageMimeTypes.join(",");
+ eventBus._on("storedsignatureschanged", this.#signaturesChanged.bind(this));
+ overlayManager.register(dialog);
+ }
+ #initTabButtons(typeButton, drawButton, imageButton, panels) {
+ const buttons = this.#tabButtons = new Map([["type", typeButton], ["draw", drawButton], ["image", imageButton]]);
+ const tabCallback = e => {
+ for (const [name, button] of buttons) {
+ if (button === e.target) {
+ button.setAttribute("aria-selected", true);
+ button.setAttribute("tabindex", 0);
+ panels.setAttribute("data-selected", name);
+ this.#initTab(name);
+ } else {
+ button.setAttribute("aria-selected", false);
+ button.setAttribute("tabindex", -1);
+ }
+ }
+ };
+ const buttonsArray = Array.from(buttons.values());
+ for (let i = 0, ii = buttonsArray.length; i < ii; i++) {
+ const button = buttonsArray[i];
+ button.addEventListener("click", tabCallback, {
+ passive: true
+ });
+ button.addEventListener("keydown", ({
+ key
+ }) => {
+ if (key !== "ArrowLeft" && key !== "ArrowRight") {
+ return;
+ }
+ buttonsArray[i + (key === "ArrowLeft" ? -1 : 1)]?.focus();
+ }, {
+ passive: true
+ });
+ }
+ }
+ #resetCommon() {
+ this.#hasDescriptionChanged = false;
+ this.#description.value = "";
+ if (this.#currentTab) {
+ this.#tabsToAltText.get(this.#currentTab).value = "";
+ }
+ }
+ #resetTab(name) {
+ switch (name) {
+ case "type":
+ this.#typeInput.value = "";
+ break;
+ case "draw":
+ this.#drawCurves = null;
+ this.#drawPoints = null;
+ this.#drawPathString = "";
+ this.#drawPath?.remove();
+ this.#drawPath = null;
+ this.#drawPlaceholder.hidden = false;
+ this.#drawThickness.value = 1;
+ break;
+ case "image":
+ this.#imagePlaceholder.hidden = false;
+ this.#imagePath?.remove();
+ this.#imagePath = null;
+ break;
+ }
+ }
+ #initTab(name) {
+ if (name && this.#currentTab === name) {
+ return;
+ }
+ if (this.#currentTab) {
+ this.#tabsToAltText.get(this.#currentTab).value = this.#description.value;
+ }
+ if (name) {
+ this.#currentTab = name;
+ }
+ this.#errorBar.hidden = true;
+ const reset = !name;
+ if (reset) {
+ this.#resetCommon();
+ } else {
+ this.#description.value = this.#tabsToAltText.get(this.#currentTab).value;
+ }
+ this.#clearDescription.disabled = this.#description.value === "";
+ this.#currentTabAC?.abort();
+ this.#currentTabAC = new AbortController();
+ switch (this.#currentTab) {
+ case "type":
+ this.#initTypeTab(reset);
+ break;
+ case "draw":
+ this.#initDrawTab(reset);
+ break;
+ case "image":
+ this.#initImageTab(reset);
+ break;
+ }
+ }
+ #disableButtons(value) {
+ if (!value || !this.#isStorageFull) {
+ this.#saveCheckbox.disabled = !value;
+ }
+ this.#clearButton.disabled = this.#addButton.disabled = this.#description.disabled = !value;
+ }
+ #initTypeTab(reset) {
+ if (reset) {
+ this.#resetTab("type");
+ }
+ this.#disableButtons(this.#typeInput.value);
+ const {
+ signal
+ } = this.#currentTabAC;
+ const options = {
+ passive: true,
+ signal
+ };
+ this.#typeInput.addEventListener("input", () => {
+ const {
+ value
+ } = this.#typeInput;
+ if (!this.#hasDescriptionChanged) {
+ this.#tabsToAltText.get("type").default = this.#description.value = value;
+ this.#clearDescription.disabled = value === "";
+ }
+ this.#disableButtons(value);
+ }, options);
+ this.#description.addEventListener("input", () => {
+ this.#hasDescriptionChanged = this.#typeInput.value !== this.#description.value;
+ }, options);
+ }
+ #initDrawTab(reset) {
+ if (reset) {
+ this.#resetTab("draw");
+ }
+ this.#disableButtons(this.#drawPath);
+ const {
+ signal
+ } = this.#currentTabAC;
+ const options = {
+ signal
+ };
+ let currentPointerId = NaN;
+ const drawCallback = e => {
+ const {
+ pointerId
+ } = e;
+ if (!isNaN(currentPointerId) && currentPointerId !== pointerId) {
+ return;
+ }
+ currentPointerId = pointerId;
+ e.preventDefault();
+ this.#drawSVG.setPointerCapture(pointerId);
+ const {
+ width: drawWidth,
+ height: drawHeight
+ } = this.#drawSVG.getBoundingClientRect();
+ let {
+ offsetX,
+ offsetY
+ } = e;
+ offsetX = Math.round(offsetX);
+ offsetY = Math.round(offsetY);
+ if (e.target === this.#drawPlaceholder) {
+ this.#drawPlaceholder.hidden = true;
+ }
+ if (!this.#drawCurves) {
+ this.#drawCurves = {
+ width: drawWidth,
+ height: drawHeight,
+ thickness: parseInt(this.#drawThickness.value),
+ curves: []
+ };
+ this.#disableButtons(true);
+ const svgFactory = new DOMSVGFactory();
+ const path = this.#drawPath = svgFactory.createElement("path");
+ path.setAttribute("stroke-width", this.#drawThickness.value);
+ this.#drawSVG.append(path);
+ this.#drawSVG.addEventListener("pointerdown", drawCallback, options);
+ this.#drawPlaceholder.removeEventListener("pointerdown", drawCallback);
+ if (this.#description.value === "") {
+ this.#l10n.get(SignatureManager.#l10nDescription.signature).then(description => {
+ this.#tabsToAltText.get("draw").default = description;
+ this.#description.value ||= description;
+ this.#clearDescription.disabled = this.#description.value === "";
+ });
+ }
+ }
+ this.#drawPoints = [offsetX, offsetY];
+ this.#drawCurves.curves.push({
+ points: this.#drawPoints
+ });
+ this.#drawPathString += `M ${offsetX} ${offsetY}`;
+ this.#drawPath.setAttribute("d", this.#drawPathString);
+ const finishDrawAC = new AbortController();
+ const listenerDrawOptions = {
+ signal: AbortSignal.any([signal, finishDrawAC.signal])
+ };
+ this.#drawSVG.addEventListener("contextmenu", noContextMenu, listenerDrawOptions);
+ this.#drawSVG.addEventListener("pointermove", evt => {
+ evt.preventDefault();
+ let {
+ offsetX: x,
+ offsetY: y
+ } = evt;
+ x = Math.round(x);
+ y = Math.round(y);
+ const drawPoints = this.#drawPoints;
+ if (x < 0 || y < 0 || x > drawWidth || y > drawHeight || x === drawPoints.at(-2) && y === drawPoints.at(-1)) {
+ return;
+ }
+ if (drawPoints.length >= 4) {
+ const [x1, y1, x2, y2] = drawPoints.slice(-4);
+ this.#drawPathString += `C${(x1 + 5 * x2) / 6} ${(y1 + 5 * y2) / 6} ${(5 * x2 + x) / 6} ${(5 * y2 + y) / 6} ${(x2 + x) / 2} ${(y2 + y) / 2}`;
+ } else {
+ this.#drawPathString += `L${x} ${y}`;
+ }
+ drawPoints.push(x, y);
+ this.#drawPath.setAttribute("d", this.#drawPathString);
+ }, listenerDrawOptions);
+ this.#drawSVG.addEventListener("pointerup", evt => {
+ const {
+ pointerId: pId
+ } = evt;
+ if (!isNaN(currentPointerId) && currentPointerId !== pId) {
+ return;
+ }
+ currentPointerId = NaN;
+ evt.preventDefault();
+ this.#drawSVG.releasePointerCapture(pId);
+ finishDrawAC.abort();
+ if (this.#drawPoints.length === 2) {
+ this.#drawPathString += `L${this.#drawPoints[0]} ${this.#drawPoints[1]}`;
+ this.#drawPath.setAttribute("d", this.#drawPathString);
+ }
+ }, listenerDrawOptions);
+ };
+ if (this.#drawCurves) {
+ this.#drawSVG.addEventListener("pointerdown", drawCallback, options);
+ } else {
+ this.#drawPlaceholder.addEventListener("pointerdown", drawCallback, options);
+ }
+ this.#drawThickness.addEventListener("input", () => {
+ const {
+ value: thickness
+ } = this.#drawThickness;
+ this.#drawThickness.setAttribute("data-l10n-args", JSON.stringify({
+ thickness
+ }));
+ if (!this.#drawCurves) {
+ return;
+ }
+ this.#drawPath.setAttribute("stroke-width", thickness);
+ this.#drawCurves.thickness = thickness;
+ }, options);
+ }
+ #showError(type) {
+ this.#errorTitle.setAttribute("data-l10n-id", SignatureManager.#l10nDescription[`error${type}Title`]);
+ this.#errorDescription.setAttribute("data-l10n-id", SignatureManager.#l10nDescription[`error${type}Description`]);
+ this.#errorBar.hidden = false;
+ }
+ #initImageTab(reset) {
+ if (reset) {
+ this.#resetTab("image");
+ }
+ this.#disableButtons(this.#imagePath);
+ const {
+ signal
+ } = this.#currentTabAC;
+ const options = {
+ signal
+ };
+ const passiveOptions = {
+ passive: true,
+ signal
+ };
+ this.#imagePickerLink.addEventListener("keydown", e => {
+ const {
+ key
+ } = e;
+ if (key === "Enter" || key === " ") {
+ stopEvent(e);
+ this.#imagePicker.click();
+ }
+ }, options);
+ this.#imagePicker.addEventListener("click", () => {
+ this.#dialog.classList.toggle("waiting", true);
+ }, passiveOptions);
+ this.#imagePicker.addEventListener("change", async () => {
+ const file = this.#imagePicker.files?.[0];
+ if (!file || !SupportedImageMimeTypes.includes(file.type)) {
+ this.#showError("Upload");
+ this.#dialog.classList.toggle("waiting", false);
+ return;
+ }
+ await this.#extractSignature(file);
+ }, passiveOptions);
+ this.#imagePicker.addEventListener("cancel", () => {
+ this.#dialog.classList.toggle("waiting", false);
+ }, passiveOptions);
+ this.#imagePlaceholder.addEventListener("dragover", e => {
+ const {
+ dataTransfer
+ } = e;
+ for (const {
+ type
+ } of dataTransfer.items) {
+ if (!SupportedImageMimeTypes.includes(type)) {
+ continue;
+ }
+ dataTransfer.dropEffect = dataTransfer.effectAllowed === "copy" ? "copy" : "move";
+ stopEvent(e);
+ return;
+ }
+ dataTransfer.dropEffect = "none";
+ }, options);
+ this.#imagePlaceholder.addEventListener("drop", e => {
+ const {
+ dataTransfer: {
+ files
+ }
+ } = e;
+ if (!files?.length) {
+ return;
+ }
+ for (const file of files) {
+ if (SupportedImageMimeTypes.includes(file.type)) {
+ this.#extractSignature(file);
+ break;
+ }
+ }
+ stopEvent(e);
+ this.#dialog.classList.toggle("waiting", true);
+ }, options);
+ }
+ async #extractSignature(file) {
+ let data;
+ try {
+ data = await this.#uiManager.imageManager.getFromFile(file);
+ } catch (e) {
+ console.error("SignatureManager.#extractSignature.", e);
+ }
+ if (!data) {
+ this.#showError("Upload");
+ this.#dialog.classList.toggle("waiting", false);
+ return;
+ }
+ const lineData = this.#extractedSignatureData = this.#currentEditor.getFromImage(data.bitmap);
+ if (!lineData) {
+ this.#showError("NoData");
+ this.#dialog.classList.toggle("waiting", false);
+ return;
+ }
+ const {
+ outline
+ } = lineData;
+ this.#imagePlaceholder.hidden = true;
+ this.#disableButtons(true);
+ const svgFactory = new DOMSVGFactory();
+ const path = this.#imagePath = svgFactory.createElement("path");
+ this.#imageSVG.setAttribute("viewBox", outline.viewBox);
+ this.#imageSVG.setAttribute("preserveAspectRatio", "xMidYMid meet");
+ this.#imageSVG.append(path);
+ path.setAttribute("d", outline.toSVGPath());
+ this.#tabsToAltText.get("image").default = file.name;
+ if (this.#description.value === "") {
+ this.#description.value = file.name || "";
+ this.#clearDescription.disabled = this.#description.value === "";
+ }
+ this.#dialog.classList.toggle("waiting", false);
+ }
+ #getOutlineForType() {
+ return this.#currentEditor.getFromText(this.#typeInput.value, window.getComputedStyle(this.#typeInput));
+ }
+ #getOutlineForDraw() {
+ const {
+ width,
+ height
+ } = this.#drawSVG.getBoundingClientRect();
+ return this.#currentEditor.getDrawnSignature(this.#drawCurves, width, height);
+ }
+ #reportTelemetry(data) {
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "editing",
+ data
+ }
+ });
+ }
+ #addToolbarButton(signatureData, uuid, description) {
+ const {
+ curves,
+ areContours,
+ thickness,
+ width,
+ height
+ } = signatureData;
+ const maxDim = Math.max(width, height);
+ const outlineData = SignatureExtractor.processDrawnLines({
+ lines: {
+ curves,
+ thickness,
+ width,
+ height
+ },
+ pageWidth: maxDim,
+ pageHeight: maxDim,
+ rotation: 0,
+ innerMargin: 0,
+ mustSmooth: false,
+ areContours
+ });
+ if (!outlineData) {
+ return;
+ }
+ const {
+ outline
+ } = outlineData;
+ const svgFactory = new DOMSVGFactory();
+ const div = document.createElement("div");
+ const button = document.createElement("button");
+ button.addEventListener("click", () => {
+ this.#eventBus.dispatch("switchannotationeditorparams", {
+ source: this,
+ type: AnnotationEditorParamsType.CREATE,
+ value: {
+ signatureData: {
+ lines: {
+ curves,
+ thickness,
+ width,
+ height
+ },
+ mustSmooth: false,
+ areContours,
+ description,
+ uuid,
+ heightInPage: DEFAULT_HEIGHT_IN_PAGE
+ }
+ }
+ });
+ });
+ div.append(button);
+ div.classList.add("toolbarAddSignatureButtonContainer");
+ const svg = svgFactory.create(1, 1, true);
+ button.append(svg);
+ const span = document.createElement("span");
+ span.ariaHidden = true;
+ button.append(span);
+ button.classList.add("toolbarAddSignatureButton");
+ button.type = "button";
+ span.textContent = description;
+ button.setAttribute("data-l10n-id", "pdfjs-editor-add-saved-signature-button");
+ button.setAttribute("data-l10n-args", JSON.stringify({
+ description
+ }));
+ button.tabIndex = 0;
+ const path = svgFactory.createElement("path");
+ svg.append(path);
+ svg.setAttribute("viewBox", outline.viewBox);
+ svg.setAttribute("preserveAspectRatio", "xMidYMid meet");
+ if (areContours) {
+ path.classList.add("contours");
+ }
+ path.setAttribute("d", outline.toSVGPath());
+ const deleteButton = document.createElement("button");
+ div.append(deleteButton);
+ deleteButton.classList.add("toolbarButton", "deleteButton");
+ deleteButton.setAttribute("data-l10n-id", "pdfjs-editor-delete-signature-button1");
+ deleteButton.type = "button";
+ deleteButton.tabIndex = 0;
+ deleteButton.addEventListener("click", async () => {
+ if (await this.#signatureStorage.delete(uuid)) {
+ div.remove();
+ this.#reportTelemetry({
+ type: "signature",
+ action: "pdfjs.signature.delete_saved",
+ data: {
+ savedCount: await this.#signatureStorage.size()
+ }
+ });
+ }
+ });
+ const deleteSpan = document.createElement("span");
+ deleteButton.append(deleteSpan);
+ deleteSpan.setAttribute("data-l10n-id", "pdfjs-editor-delete-signature-button-label1");
+ this.#addSignatureToolbarButton.before(div);
+ }
+ async #signaturesChanged() {
+ const parent = this.#addSignatureToolbarButton.parentElement;
+ while (parent.firstElementChild !== this.#addSignatureToolbarButton) {
+ parent.firstElementChild.remove();
+ }
+ this.#loadSignaturesPromise = null;
+ await this.loadSignatures(true);
+ }
+ getSignature(params) {
+ return this.open(params);
+ }
+ async loadSignatures(reload = false) {
+ if (!this.#addSignatureToolbarButton || !reload && this.#addSignatureToolbarButton.previousElementSibling || !this.#signatureStorage) {
+ return;
+ }
+ if (!this.#loadSignaturesPromise) {
+ this.#loadSignaturesPromise = this.#signatureStorage.getAll().then(async signatures => [signatures, await Promise.all(Array.from(signatures.values(), ({
+ signatureData
+ }) => SignatureExtractor.decompressSignature(signatureData)))]);
+ if (!reload) {
+ return;
+ }
+ }
+ const [signatures, signaturesData] = await this.#loadSignaturesPromise;
+ this.#loadSignaturesPromise = null;
+ let i = 0;
+ for (const [uuid, {
+ description
+ }] of signatures) {
+ const data = signaturesData[i++];
+ if (!data) {
+ continue;
+ }
+ data.curves = data.outlines.map(points => ({
+ points
+ }));
+ delete data.outlines;
+ this.#addToolbarButton(data, uuid, description);
+ }
+ }
+ async renderEditButton(editor) {
+ const button = document.createElement("button");
+ button.classList.add("altText", "editDescription");
+ button.tabIndex = 0;
+ if (editor.description) {
+ button.title = editor.description;
+ }
+ const span = document.createElement("span");
+ button.append(span);
+ span.setAttribute("data-l10n-id", "pdfjs-editor-add-signature-edit-button-label");
+ button.addEventListener("click", () => {
+ this.#editDescriptionDialog.open(editor);
+ }, {
+ passive: true
+ });
+ return button;
+ }
+ async open({
+ uiManager,
+ editor
+ }) {
+ this.#tabsToAltText ||= new Map(this.#tabButtons.keys().map(name => [name, {
+ value: "",
+ default: ""
+ }]));
+ this.#uiManager = uiManager;
+ this.#currentEditor = editor;
+ this.#uiManager.removeEditListeners();
+ const isStorageFull = this.#isStorageFull = await this.#signatureStorage.isFull();
+ this.#saveContainer.classList.toggle("fullStorage", isStorageFull);
+ this.#saveCheckbox.checked = !isStorageFull;
+ await this.#overlayManager.open(this.#dialog);
+ const tabType = this.#tabButtons.get("type");
+ tabType.focus();
+ tabType.click();
+ }
+ #cancel() {
+ this.#finish();
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ if (this.#currentEditor._drawId === null) {
+ this.#currentEditor.remove();
+ }
+ this.#uiManager?.addEditListeners();
+ this.#currentTabAC?.abort();
+ this.#currentTabAC = null;
+ this.#uiManager = null;
+ this.#currentEditor = null;
+ this.#resetCommon();
+ for (const [name] of this.#tabButtons) {
+ this.#resetTab(name);
+ }
+ this.#disableButtons(false);
+ this.#currentTab = null;
+ this.#tabsToAltText = null;
+ }
+ async #add() {
+ let data;
+ const type = this.#currentTab;
+ switch (type) {
+ case "type":
+ data = this.#getOutlineForType();
+ break;
+ case "draw":
+ data = this.#getOutlineForDraw();
+ break;
+ case "image":
+ data = this.#extractedSignatureData;
+ break;
+ }
+ let uuid = null;
+ const description = this.#description.value;
+ if (this.#saveCheckbox.checked) {
+ const {
+ newCurves,
+ areContours,
+ thickness,
+ width,
+ height
+ } = data;
+ const signatureData = await SignatureExtractor.compressSignature({
+ outlines: newCurves,
+ areContours,
+ thickness,
+ width,
+ height
+ });
+ uuid = await this.#signatureStorage.create({
+ description,
+ signatureData
+ });
+ if (uuid) {
+ this.#addToolbarButton({
+ curves: newCurves.map(points => ({
+ points
+ })),
+ areContours,
+ thickness,
+ width,
+ height
+ }, uuid, description);
+ } else {
+ console.warn("SignatureManager.add: cannot save the signature.");
+ }
+ }
+ const altText = this.#tabsToAltText.get(type);
+ this.#reportTelemetry({
+ type: "signature",
+ action: "pdfjs.signature.created",
+ data: {
+ type,
+ saved: !!uuid,
+ savedCount: await this.#signatureStorage.size(),
+ descriptionChanged: description !== altText.default
+ }
+ });
+ this.#currentEditor.addSignature(data, DEFAULT_HEIGHT_IN_PAGE, this.#description.value, uuid);
+ this.#finish();
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#finish();
+ }
+}
+class EditDescriptionDialog {
+ #currentEditor;
+ #previousDescription;
+ #description;
+ #dialog;
+ #overlayManager;
+ #signatureSVG;
+ #uiManager;
+ constructor({
+ dialog,
+ description,
+ cancelButton,
+ updateButton,
+ editSignatureView
+ }, overlayManager) {
+ const descriptionInput = this.#description = description.firstElementChild;
+ this.#signatureSVG = editSignatureView;
+ this.#dialog = dialog;
+ this.#overlayManager = overlayManager;
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", e => {
+ if (e.target !== this.#description) {
+ e.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", this.#cancel.bind(this));
+ updateButton.addEventListener("click", this.#update.bind(this));
+ const clearDescription = description.lastElementChild;
+ clearDescription.addEventListener("click", () => {
+ descriptionInput.value = "";
+ clearDescription.disabled = true;
+ updateButton.disabled = this.#previousDescription === "";
+ });
+ descriptionInput.addEventListener("input", () => {
+ const {
+ value
+ } = descriptionInput;
+ clearDescription.disabled = value === "";
+ updateButton.disabled = value === this.#previousDescription;
+ editSignatureView.setAttribute("aria-label", value);
+ }, {
+ passive: true
+ });
+ overlayManager.register(dialog);
+ }
+ async open(editor) {
+ this.#uiManager = editor._uiManager;
+ this.#currentEditor = editor;
+ this.#previousDescription = this.#description.value = editor.description;
+ this.#description.dispatchEvent(new Event("input"));
+ this.#uiManager.removeEditListeners();
+ const {
+ areContours,
+ outline
+ } = editor.getSignaturePreview();
+ const svgFactory = new DOMSVGFactory();
+ const path = svgFactory.createElement("path");
+ this.#signatureSVG.append(path);
+ this.#signatureSVG.setAttribute("viewBox", outline.viewBox);
+ path.setAttribute("d", outline.toSVGPath());
+ if (areContours) {
+ path.classList.add("contours");
+ }
+ await this.#overlayManager.open(this.#dialog);
+ }
+ async #update() {
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.signature.edit_description",
+ data: {
+ hasBeenChanged: true
+ }
+ });
+ this.#currentEditor.description = this.#description.value;
+ this.#finish();
+ }
+ #cancel() {
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.signature.edit_description",
+ data: {
+ hasBeenChanged: false
+ }
+ });
+ this.#finish();
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ this.#uiManager?.addEditListeners();
+ this.#uiManager = null;
+ this.#currentEditor = null;
+ this.#signatureSVG.firstElementChild.remove();
+ }
+}
+
+;// ./web/toolbar.js
+
+
+class Toolbar {
+ #colorPicker = null;
+ #opts;
+ constructor(options, eventBus, toolbarDensity = 0) {
+ this.#opts = options;
+ this.eventBus = eventBus;
+ const buttons = [{
+ element: options.previous,
+ eventName: "previouspage"
+ }, {
+ element: options.next,
+ eventName: "nextpage"
+ }, {
+ element: options.zoomIn,
+ eventName: "zoomin"
+ }, {
+ element: options.zoomOut,
+ eventName: "zoomout"
+ }, {
+ element: options.print,
+ eventName: "print"
+ }, {
+ element: options.download,
+ eventName: "download"
+ }, {
+ element: options.editorCommentButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorCommentButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.POPUP;
+ }
+ }
+ }, {
+ element: options.editorFreeTextButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorFreeTextButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.FREETEXT;
+ }
+ }
+ }, {
+ element: options.editorHighlightButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorHighlightButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.HIGHLIGHT;
+ }
+ }
+ }, {
+ element: options.editorInkButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorInkButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.INK;
+ }
+ }
+ }, {
+ element: options.editorStampButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorStampButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.STAMP;
+ }
+ },
+ telemetry: {
+ type: "editing",
+ data: {
+ action: "pdfjs.image.icon_click"
+ }
+ }
+ }, {
+ element: options.editorSignatureButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorSignatureButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.SIGNATURE;
+ }
+ }
+ }];
+ this.#bindListeners(buttons);
+ this.#updateToolbarDensity({
+ value: toolbarDensity
+ });
+ this.reset();
+ }
+ #updateToolbarDensity({
+ value
+ }) {
+ let name = "normal";
+ switch (value) {
+ case 1:
+ name = "compact";
+ break;
+ case 2:
+ name = "touch";
+ break;
+ }
+ document.documentElement.setAttribute("data-toolbar-density", name);
+ }
+ setPageNumber(pageNumber, pageLabel) {
+ this.pageNumber = pageNumber;
+ this.pageLabel = pageLabel;
+ this.#updateUIState(false);
+ }
+ setPagesCount(pagesCount, hasPageLabels) {
+ this.pagesCount = pagesCount;
+ this.hasPageLabels = hasPageLabels;
+ this.#updateUIState(true);
+ }
+ setPageScale(pageScaleValue, pageScale) {
+ this.pageScaleValue = (pageScaleValue || pageScale).toString();
+ this.pageScale = pageScale;
+ this.#updateUIState(false);
+ }
+ reset() {
+ this.#colorPicker = null;
+ this.pageNumber = 0;
+ this.pageLabel = null;
+ this.hasPageLabels = false;
+ this.pagesCount = 0;
+ this.pageScaleValue = DEFAULT_SCALE_VALUE;
+ this.pageScale = DEFAULT_SCALE;
+ this.#updateUIState(true);
+ this.updateLoadingIndicatorState();
+ this.#editorModeChanged({
+ mode: AnnotationEditorType.DISABLE
+ });
+ }
+ #bindListeners(buttons) {
+ const {
+ eventBus
+ } = this;
+ const {
+ editorHighlightColorPicker,
+ editorHighlightButton,
+ pageNumber,
+ scaleSelect
+ } = this.#opts;
+ const self = this;
+ for (const {
+ element,
+ eventName,
+ eventDetails,
+ telemetry
+ } of buttons) {
+ element.addEventListener("click", evt => {
+ if (eventName !== null) {
+ eventBus.dispatch(eventName, {
+ source: this,
+ ...eventDetails,
+ isFromKeyboard: evt.detail === 0
+ });
+ }
+ if (telemetry) {
+ eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: telemetry
+ });
+ }
+ });
+ }
+ pageNumber.addEventListener("click", function () {
+ this.select();
+ });
+ pageNumber.addEventListener("change", function () {
+ eventBus.dispatch("pagenumberchanged", {
+ source: self,
+ value: this.value
+ });
+ });
+ scaleSelect.addEventListener("change", function () {
+ if (this.value === "custom") {
+ return;
+ }
+ eventBus.dispatch("scalechanged", {
+ source: self,
+ value: this.value
+ });
+ });
+ scaleSelect.addEventListener("click", function ({
+ target
+ }) {
+ if (this.value === self.pageScaleValue && target.tagName.toUpperCase() === "OPTION") {
+ this.blur();
+ }
+ });
+ scaleSelect.oncontextmenu = noContextMenu;
+ eventBus._on("annotationeditormodechanged", this.#editorModeChanged.bind(this));
+ eventBus._on("showannotationeditorui", ({
+ mode
+ }) => {
+ switch (mode) {
+ case AnnotationEditorType.HIGHLIGHT:
+ editorHighlightButton.click();
+ break;
+ }
+ });
+ eventBus._on("toolbardensity", this.#updateToolbarDensity.bind(this));
+ if (editorHighlightColorPicker) {
+ eventBus._on("annotationeditoruimanager", ({
+ uiManager
+ }) => {
+ const cp = this.#colorPicker = new ColorPicker({
+ uiManager
+ });
+ uiManager.setMainHighlightColorPicker(cp);
+ editorHighlightColorPicker.append(cp.renderMainDropdown());
+ });
+ eventBus._on("mainhighlightcolorpickerupdatecolor", ({
+ value
+ }) => {
+ this.#colorPicker?.updateColor(value);
+ });
+ }
+ }
+ #editorModeChanged({
+ mode
+ }) {
+ const {
+ editorCommentButton,
+ editorCommentParamsToolbar,
+ editorFreeTextButton,
+ editorFreeTextParamsToolbar,
+ editorHighlightButton,
+ editorHighlightParamsToolbar,
+ editorInkButton,
+ editorInkParamsToolbar,
+ editorStampButton,
+ editorStampParamsToolbar,
+ editorSignatureButton,
+ editorSignatureParamsToolbar
+ } = this.#opts;
+ toggleExpandedBtn(editorCommentButton, mode === AnnotationEditorType.POPUP, editorCommentParamsToolbar);
+ toggleExpandedBtn(editorFreeTextButton, mode === AnnotationEditorType.FREETEXT, editorFreeTextParamsToolbar);
+ toggleExpandedBtn(editorHighlightButton, mode === AnnotationEditorType.HIGHLIGHT, editorHighlightParamsToolbar);
+ toggleExpandedBtn(editorInkButton, mode === AnnotationEditorType.INK, editorInkParamsToolbar);
+ toggleExpandedBtn(editorStampButton, mode === AnnotationEditorType.STAMP, editorStampParamsToolbar);
+ toggleExpandedBtn(editorSignatureButton, mode === AnnotationEditorType.SIGNATURE, editorSignatureParamsToolbar);
+ editorCommentButton.disabled = editorFreeTextButton.disabled = editorHighlightButton.disabled = editorInkButton.disabled = editorStampButton.disabled = editorSignatureButton.disabled = mode === AnnotationEditorType.DISABLE;
+ }
+ #updateUIState(resetNumPages = false) {
+ const {
+ pageNumber,
+ pagesCount,
+ pageScaleValue,
+ pageScale
+ } = this;
+ const opts = this.#opts;
+ if (resetNumPages) {
+ if (this.hasPageLabels) {
+ opts.pageNumber.type = "text";
+ opts.numPages.setAttribute("data-l10n-id", "pdfjs-page-of-pages");
+ } else {
+ opts.pageNumber.type = "number";
+ opts.numPages.setAttribute("data-l10n-id", "pdfjs-of-pages");
+ opts.numPages.setAttribute("data-l10n-args", JSON.stringify({
+ pagesCount
+ }));
+ }
+ opts.pageNumber.max = pagesCount;
+ }
+ if (this.hasPageLabels) {
+ opts.pageNumber.value = this.pageLabel;
+ opts.numPages.setAttribute("data-l10n-args", JSON.stringify({
+ pageNumber,
+ pagesCount
+ }));
+ } else {
+ opts.pageNumber.value = pageNumber;
+ }
+ opts.previous.disabled = pageNumber <= 1;
+ opts.next.disabled = pageNumber >= pagesCount;
+ opts.zoomOut.disabled = pageScale <= MIN_SCALE;
+ opts.zoomIn.disabled = pageScale >= MAX_SCALE;
+ let predefinedValueFound = false;
+ for (const option of opts.scaleSelect.options) {
+ if (option.value !== pageScaleValue) {
+ option.selected = false;
+ continue;
+ }
+ option.selected = true;
+ predefinedValueFound = true;
+ }
+ if (!predefinedValueFound) {
+ opts.customScaleOption.selected = true;
+ opts.customScaleOption.setAttribute("data-l10n-args", JSON.stringify({
+ scale: Math.round(pageScale * 10000) / 100
+ }));
+ }
+ }
+ updateLoadingIndicatorState(loading = false) {
+ const {
+ pageNumber
+ } = this.#opts;
+ pageNumber.classList.toggle("loading", loading);
+ }
+}
+
+;// ./web/view_history.js
+const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
+class ViewHistory {
+ constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) {
+ this.fingerprint = fingerprint;
+ this.cacheSize = cacheSize;
+ this._initializedPromise = this._readFromStorage().then(databaseStr => {
+ const database = JSON.parse(databaseStr || "{}");
+ let index = -1;
+ if (!Array.isArray(database.files)) {
+ database.files = [];
+ } else {
+ while (database.files.length >= this.cacheSize) {
+ database.files.shift();
+ }
+ for (let i = 0, ii = database.files.length; i < ii; i++) {
+ const branch = database.files[i];
+ if (branch.fingerprint === this.fingerprint) {
+ index = i;
+ break;
+ }
+ }
+ }
+ if (index === -1) {
+ index = database.files.push({
+ fingerprint: this.fingerprint
+ }) - 1;
+ }
+ this.file = database.files[index];
+ this.database = database;
+ });
+ }
+ async _writeToStorage() {
+ const databaseStr = JSON.stringify(this.database);
+ localStorage.setItem("pdfjs.history", databaseStr);
+ }
+ async _readFromStorage() {
+ return localStorage.getItem("pdfjs.history");
+ }
+ async set(name, val) {
+ await this._initializedPromise;
+ this.file[name] = val;
+ return this._writeToStorage();
+ }
+ async setMultiple(properties) {
+ await this._initializedPromise;
+ for (const name in properties) {
+ this.file[name] = properties[name];
+ }
+ return this._writeToStorage();
+ }
+ async get(name, defaultValue) {
+ await this._initializedPromise;
+ const val = this.file[name];
+ return val !== undefined ? val : defaultValue;
+ }
+ async getMultiple(properties) {
+ await this._initializedPromise;
+ const values = Object.create(null);
+ for (const name in properties) {
+ const val = this.file[name];
+ values[name] = val !== undefined ? val : properties[name];
+ }
+ return values;
+ }
+}
+
+;// ./web/app.js
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+const FORCE_PAGES_LOADED_TIMEOUT = 10000;
+const ViewOnLoad = {
+ UNKNOWN: -1,
+ PREVIOUS: 0,
+ INITIAL: 1
+};
+const PDFViewerApplication = {
+ initialBookmark: document.location.hash.substring(1),
+ _initializedCapability: {
+ ...Promise.withResolvers(),
+ settled: false
+ },
+ appConfig: null,
+ pdfDocument: null,
+ pdfLoadingTask: null,
+ printService: null,
+ pdfViewer: null,
+ pdfThumbnailViewer: null,
+ pdfRenderingQueue: null,
+ pdfPresentationMode: null,
+ pdfDocumentProperties: null,
+ pdfLinkService: null,
+ pdfHistory: null,
+ pdfSidebar: null,
+ pdfOutlineViewer: null,
+ pdfAttachmentViewer: null,
+ pdfLayerViewer: null,
+ pdfCursorTools: null,
+ pdfScriptingManager: null,
+ store: null,
+ downloadManager: null,
+ overlayManager: null,
+ preferences: new Preferences(),
+ toolbar: null,
+ secondaryToolbar: null,
+ eventBus: null,
+ l10n: null,
+ annotationEditorParams: null,
+ imageAltTextSettings: null,
+ isInitialViewSet: false,
+ isViewerEmbedded: window.parent !== window,
+ url: "",
+ baseUrl: "",
+ mlManager: null,
+ _downloadUrl: "",
+ _eventBusAbortController: null,
+ _windowAbortController: null,
+ _globalAbortController: new AbortController(),
+ documentInfo: null,
+ metadata: null,
+ _contentDispositionFilename: null,
+ _contentLength: null,
+ _saveInProgress: false,
+ _wheelUnusedTicks: 0,
+ _wheelUnusedFactor: 1,
+ _touchManager: null,
+ _touchUnusedTicks: 0,
+ _touchUnusedFactor: 1,
+ _PDFBug: null,
+ _hasAnnotationEditors: false,
+ _title: document.title,
+ _printAnnotationStoragePromise: null,
+ _isCtrlKeyDown: false,
+ _caretBrowsing: null,
+ _isScrolling: false,
+ editorUndoBar: null,
+ _printPermissionPromise: null,
+ async initialize(appConfig) {
+ this.appConfig = appConfig;
+ try {
+ await this.preferences.initializedPromise;
+ } catch (ex) {
+ console.error("initialize:", ex);
+ }
+ if (AppOptions.get("pdfBugEnabled")) {
+ await this._parseHashParams();
+ }
+ let mode;
+ switch (AppOptions.get("viewerCssTheme")) {
+ case 1:
+ mode = "light";
+ break;
+ case 2:
+ mode = "dark";
+ break;
+ }
+ if (mode) {
+ docStyle.setProperty("color-scheme", mode);
+ }
+ this.l10n = await this.externalServices.createL10n();
+ document.getElementsByTagName("html")[0].dir = this.l10n.getDirection();
+ this.l10n.translate(appConfig.appContainer || document.documentElement);
+ if (this.isViewerEmbedded && AppOptions.get("externalLinkTarget") === LinkTarget.NONE) {
+ AppOptions.set("externalLinkTarget", LinkTarget.TOP);
+ }
+ await this._initializeViewerComponents();
+ this.bindEvents();
+ this.bindWindowEvents();
+ this._initializedCapability.settled = true;
+ this._initializedCapability.resolve();
+ },
+ async _parseHashParams() {
+ const hash = document.location.hash.substring(1);
+ if (!hash) {
+ return;
+ }
+ const {
+ mainContainer,
+ viewerContainer
+ } = this.appConfig,
+ params = parseQueryString(hash);
+ const loadPDFBug = async () => {
+ if (this._PDFBug) {
+ return;
+ }
+ const {
+ PDFBug
+ } = await import(
+ /*webpackIgnore: true*/
+ /*@vite-ignore*/
+ AppOptions.get("debuggerSrc"));
+ this._PDFBug = PDFBug;
+ };
+ if (params.get("disableworker") === "true") {
+ try {
+ GlobalWorkerOptions.workerSrc ||= AppOptions.get("workerSrc");
+ await import(
+ /*webpackIgnore: true*/
+ /*@vite-ignore*/
+ PDFWorker.workerSrc);
+ AppOptions.set("workerPort", null);
+ } catch (ex) {
+ console.error("_parseHashParams:", ex);
+ }
+ }
+ if (params.has("textlayer")) {
+ switch (params.get("textlayer")) {
+ case "off":
+ AppOptions.set("textLayerMode", TextLayerMode.DISABLE);
+ break;
+ case "visible":
+ case "shadow":
+ case "hover":
+ viewerContainer.classList.add(`textLayer-${params.get("textlayer")}`);
+ try {
+ await loadPDFBug();
+ this._PDFBug.loadCSS();
+ } catch (ex) {
+ console.error("_parseHashParams:", ex);
+ }
+ break;
+ }
+ }
+ if (params.has("pdfbug")) {
+ const enabled = params.get("pdfbug").split(",");
+ try {
+ await loadPDFBug();
+ this._PDFBug.init(mainContainer, enabled);
+ } catch (ex) {
+ console.error("_parseHashParams:", ex);
+ }
+ const debugOpts = {
+ pdfBug: true,
+ fontExtraProperties: true
+ };
+ if (globalThis.StepperManager?.enabled) {
+ debugOpts.minDurationToUpdateCanvas = 0;
+ }
+ AppOptions.setAll(debugOpts);
+ }
+ if (params.has("locale")) {
+ AppOptions.set("localeProperties", {
+ lang: params.get("locale")
+ });
+ }
+ const opts = {
+ disableAutoFetch: x => x === "true",
+ disableFontFace: x => x === "true",
+ disableHistory: x => x === "true",
+ disableRange: x => x === "true",
+ disableStream: x => x === "true",
+ verbosity: x => x | 0
+ };
+ for (const name in opts) {
+ const check = opts[name],
+ key = name.toLowerCase();
+ if (params.has(key)) {
+ AppOptions.set(name, check(params.get(key)));
+ }
+ }
+ },
+ async _initializeViewerComponents() {
+ const {
+ appConfig,
+ externalServices,
+ l10n,
+ mlManager
+ } = this;
+ const abortSignal = this._globalAbortController.signal;
+ const eventBus = new EventBus();
+ this.eventBus = AppOptions.eventBus = eventBus;
+ mlManager?.setEventBus(eventBus, abortSignal);
+ const overlayManager = this.overlayManager = new OverlayManager();
+ const renderingQueue = this.pdfRenderingQueue = new PDFRenderingQueue();
+ renderingQueue.onIdle = this._cleanup.bind(this);
+ const linkService = this.pdfLinkService = new PDFLinkService({
+ eventBus,
+ externalLinkTarget: AppOptions.get("externalLinkTarget"),
+ externalLinkRel: AppOptions.get("externalLinkRel"),
+ ignoreDestinationZoom: AppOptions.get("ignoreDestinationZoom")
+ });
+ const downloadManager = this.downloadManager = new DownloadManager();
+ const findController = this.findController = new PDFFindController({
+ linkService,
+ eventBus,
+ updateMatchesCountOnProgress: true
+ });
+ const pdfScriptingManager = this.pdfScriptingManager = new PDFScriptingManager({
+ eventBus,
+ externalServices,
+ docProperties: this._scriptingDocProperties.bind(this)
+ });
+ const container = appConfig.mainContainer,
+ viewer = appConfig.viewerContainer;
+ const annotationEditorMode = AppOptions.get("annotationEditorMode");
+ const hasForcedColors = AppOptions.get("forcePageColors") || window.matchMedia("(forced-colors: active)").matches;
+ const pageColors = hasForcedColors ? {
+ background: AppOptions.get("pageColorsBackground"),
+ foreground: AppOptions.get("pageColorsForeground")
+ } : null;
+ let altTextManager;
+ if (AppOptions.get("enableUpdatedAddImage")) {
+ altTextManager = appConfig.newAltTextDialog ? new NewAltTextManager(appConfig.newAltTextDialog, overlayManager, eventBus) : null;
+ } else {
+ altTextManager = appConfig.altTextDialog ? new AltTextManager(appConfig.altTextDialog, container, overlayManager, eventBus) : null;
+ }
+ if (appConfig.editorUndoBar) {
+ this.editorUndoBar = new EditorUndoBar(appConfig.editorUndoBar, eventBus);
+ }
+ const signatureManager = AppOptions.get("enableSignatureEditor") && appConfig.addSignatureDialog ? new SignatureManager(appConfig.addSignatureDialog, appConfig.editSignatureDialog, appConfig.annotationEditorParams?.editorSignatureAddSignature || null, overlayManager, l10n, externalServices.createSignatureStorage(eventBus, abortSignal), eventBus) : null;
+ const ltr = appConfig.viewerContainer ? getComputedStyle(appConfig.viewerContainer).direction === "ltr" : true;
+ const commentManager = AppOptions.get("enableComment") && appConfig.editCommentDialog ? new CommentManager(appConfig.editCommentDialog, {
+ learnMoreUrl: AppOptions.get("commentLearnMoreUrl"),
+ sidebar: appConfig.annotationEditorParams?.editorCommentsSidebar || null,
+ sidebarResizer: appConfig.annotationEditorParams?.editorCommentsSidebarResizer || null,
+ commentsList: appConfig.annotationEditorParams?.editorCommentsSidebarList || null,
+ commentCount: appConfig.annotationEditorParams?.editorCommentsSidebarCount || null,
+ sidebarTitle: appConfig.annotationEditorParams?.editorCommentsSidebarTitle || null,
+ closeButton: appConfig.annotationEditorParams?.editorCommentsSidebarCloseButton || null,
+ commentToolbarButton: appConfig.toolbar?.editorCommentButton || null
+ }, eventBus, linkService, overlayManager, ltr, hasForcedColors) : null;
+ const enableHWA = AppOptions.get("enableHWA"),
+ maxCanvasPixels = AppOptions.get("maxCanvasPixels"),
+ maxCanvasDim = AppOptions.get("maxCanvasDim"),
+ capCanvasAreaFactor = AppOptions.get("capCanvasAreaFactor");
+ const pdfViewer = this.pdfViewer = new PDFViewer({
+ container,
+ viewer,
+ viewerAlert: appConfig.viewerAlert,
+ eventBus,
+ renderingQueue,
+ linkService,
+ downloadManager,
+ altTextManager,
+ commentManager,
+ signatureManager,
+ editorUndoBar: this.editorUndoBar,
+ findController,
+ scriptingManager: AppOptions.get("enableScripting") && pdfScriptingManager,
+ l10n,
+ textLayerMode: AppOptions.get("textLayerMode"),
+ annotationMode: AppOptions.get("annotationMode"),
+ annotationEditorMode,
+ annotationEditorHighlightColors: AppOptions.get("highlightEditorColors"),
+ enableHighlightFloatingButton: AppOptions.get("enableHighlightFloatingButton"),
+ enableUpdatedAddImage: AppOptions.get("enableUpdatedAddImage"),
+ enableNewAltTextWhenAddingImage: AppOptions.get("enableNewAltTextWhenAddingImage"),
+ imageResourcesPath: AppOptions.get("imageResourcesPath"),
+ enablePrintAutoRotate: AppOptions.get("enablePrintAutoRotate"),
+ maxCanvasPixels,
+ maxCanvasDim,
+ capCanvasAreaFactor,
+ enableDetailCanvas: AppOptions.get("enableDetailCanvas"),
+ enablePermissions: AppOptions.get("enablePermissions"),
+ enableOptimizedPartialRendering: AppOptions.get("enableOptimizedPartialRendering"),
+ pageColors,
+ mlManager,
+ abortSignal,
+ enableHWA,
+ supportsPinchToZoom: this.supportsPinchToZoom,
+ enableAutoLinking: AppOptions.get("enableAutoLinking"),
+ minDurationToUpdateCanvas: AppOptions.get("minDurationToUpdateCanvas")
+ });
+ renderingQueue.setViewer(pdfViewer);
+ linkService.setViewer(pdfViewer);
+ pdfScriptingManager.setViewer(pdfViewer);
+ if (appConfig.sidebar?.thumbnailView) {
+ this.pdfThumbnailViewer = new PDFThumbnailViewer({
+ container: appConfig.sidebar.thumbnailView,
+ eventBus,
+ renderingQueue,
+ linkService,
+ maxCanvasPixels,
+ maxCanvasDim,
+ pageColors,
+ abortSignal,
+ enableHWA
+ });
+ renderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
+ }
+ if (!this.isViewerEmbedded && !AppOptions.get("disableHistory")) {
+ this.pdfHistory = new PDFHistory({
+ linkService,
+ eventBus
+ });
+ linkService.setHistory(this.pdfHistory);
+ }
+ if (!this.supportsIntegratedFind && appConfig.findBar) {
+ this.findBar = new PDFFindBar(appConfig.findBar, appConfig.principalContainer, eventBus);
+ }
+ if (appConfig.annotationEditorParams) {
+ if (annotationEditorMode !== AnnotationEditorType.DISABLE) {
+ const editorSignatureButton = appConfig.toolbar?.editorSignatureButton;
+ if (editorSignatureButton && AppOptions.get("enableSignatureEditor")) {
+ editorSignatureButton.parentElement.hidden = false;
+ }
+ const editorCommentButton = appConfig.toolbar?.editorCommentButton;
+ if (editorCommentButton && AppOptions.get("enableComment")) {
+ editorCommentButton.parentElement.hidden = false;
+ }
+ this.annotationEditorParams = new AnnotationEditorParams(appConfig.annotationEditorParams, eventBus);
+ } else {
+ for (const id of ["editorModeButtons", "editorModeSeparator"]) {
+ document.getElementById(id)?.classList.add("hidden");
+ }
+ }
+ }
+ if (mlManager && appConfig.secondaryToolbar?.imageAltTextSettingsButton) {
+ this.imageAltTextSettings = new ImageAltTextSettings(appConfig.altTextSettingsDialog, overlayManager, eventBus, mlManager);
+ }
+ if (appConfig.documentProperties) {
+ this.pdfDocumentProperties = new PDFDocumentProperties(appConfig.documentProperties, overlayManager, eventBus, l10n, () => this._docFilename, () => this._docTitle);
+ }
+ if (appConfig.secondaryToolbar?.cursorHandToolButton) {
+ this.pdfCursorTools = new PDFCursorTools({
+ container,
+ eventBus,
+ cursorToolOnLoad: AppOptions.get("cursorToolOnLoad")
+ });
+ }
+ if (appConfig.toolbar) {
+ this.toolbar = new Toolbar(appConfig.toolbar, eventBus, AppOptions.get("toolbarDensity"));
+ }
+ if (appConfig.secondaryToolbar) {
+ if (AppOptions.get("enableAltText")) {
+ appConfig.secondaryToolbar.imageAltTextSettingsButton?.classList.remove("hidden");
+ appConfig.secondaryToolbar.imageAltTextSettingsSeparator?.classList.remove("hidden");
+ }
+ this.secondaryToolbar = new SecondaryToolbar(appConfig.secondaryToolbar, eventBus);
+ }
+ if (this.supportsFullscreen && appConfig.secondaryToolbar?.presentationModeButton) {
+ this.pdfPresentationMode = new PDFPresentationMode({
+ container,
+ pdfViewer,
+ eventBus
+ });
+ }
+ if (appConfig.passwordOverlay) {
+ this.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay, overlayManager, this.isViewerEmbedded);
+ }
+ if (appConfig.sidebar?.outlineView) {
+ this.pdfOutlineViewer = new PDFOutlineViewer({
+ container: appConfig.sidebar.outlineView,
+ eventBus,
+ l10n,
+ linkService,
+ downloadManager
+ });
+ }
+ if (appConfig.sidebar?.attachmentsView) {
+ this.pdfAttachmentViewer = new PDFAttachmentViewer({
+ container: appConfig.sidebar.attachmentsView,
+ eventBus,
+ l10n,
+ downloadManager
+ });
+ }
+ if (appConfig.sidebar?.layersView) {
+ this.pdfLayerViewer = new PDFLayerViewer({
+ container: appConfig.sidebar.layersView,
+ eventBus,
+ l10n
+ });
+ }
+ if (appConfig.sidebar) {
+ this.pdfSidebar = new PDFSidebar({
+ elements: appConfig.sidebar,
+ eventBus,
+ l10n
+ });
+ this.pdfSidebar.onToggled = this.forceRendering.bind(this);
+ this.pdfSidebar.onUpdateThumbnails = () => {
+ for (const pageView of pdfViewer.getCachedPageViews()) {
+ if (pageView.renderingState === RenderingStates.FINISHED) {
+ this.pdfThumbnailViewer.getThumbnail(pageView.id - 1)?.setImage(pageView);
+ }
+ }
+ this.pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
+ };
+ }
+ },
+ async run(config) {
+ await this.initialize(config);
+ const {
+ appConfig,
+ eventBus
+ } = this;
+ let file;
+ const queryString = document.location.search.substring(1);
+ const params = parseQueryString(queryString);
+ file = params.get("file") ?? AppOptions.get("defaultUrl");
+ try {
+ file = new URL(decodeURIComponent(file)).href;
+ } catch {
+ file = encodeURIComponent(file).replaceAll("%2F", "/");
+ }
+ validateFileURL(file);
+ const fileInput = this._openFileInput = document.createElement("input");
+ fileInput.id = "fileInput";
+ fileInput.hidden = true;
+ fileInput.type = "file";
+ fileInput.value = null;
+ document.body.append(fileInput);
+ fileInput.addEventListener("change", function (evt) {
+ const {
+ files
+ } = evt.target;
+ if (!files || files.length === 0) {
+ return;
+ }
+ eventBus.dispatch("fileinputchange", {
+ source: this,
+ fileInput: evt.target
+ });
+ });
+ appConfig.mainContainer.addEventListener("dragover", function (evt) {
+ for (const item of evt.dataTransfer.items) {
+ if (item.type === "application/pdf") {
+ evt.dataTransfer.dropEffect = evt.dataTransfer.effectAllowed === "copy" ? "copy" : "move";
+ stopEvent(evt);
+ return;
+ }
+ }
+ });
+ appConfig.mainContainer.addEventListener("drop", function (evt) {
+ if (evt.dataTransfer.files?.[0].type !== "application/pdf") {
+ return;
+ }
+ stopEvent(evt);
+ eventBus.dispatch("fileinputchange", {
+ source: this,
+ fileInput: evt.dataTransfer
+ });
+ });
+ if (!AppOptions.get("supportsDocumentFonts")) {
+ AppOptions.set("disableFontFace", true);
+ this.l10n.get("pdfjs-web-fonts-disabled").then(msg => {
+ console.warn(msg);
+ });
+ }
+ const togglePrintingButtons = visible => {
+ appConfig.toolbar?.print?.classList.toggle("hidden", !visible);
+ appConfig.secondaryToolbar?.printButton.classList.toggle("hidden", !visible);
+ };
+ if (!this.supportsPrinting) {
+ togglePrintingButtons(false);
+ } else {
+ eventBus.on("printingallowed", ({
+ isAllowed
+ }) => togglePrintingButtons(isAllowed));
+ }
+ if (!this.supportsFullscreen) {
+ appConfig.secondaryToolbar?.presentationModeButton.classList.add("hidden");
+ }
+ if (this.supportsIntegratedFind) {
+ appConfig.findBar?.toggleButton?.classList.add("hidden");
+ }
+ if (file) {
+ this.open({
+ url: file
+ });
+ } else {
+ this._hideViewBookmark();
+ }
+ },
+ get externalServices() {
+ return shadow(this, "externalServices", new ExternalServices());
+ },
+ get initialized() {
+ return this._initializedCapability.settled;
+ },
+ get initializedPromise() {
+ return this._initializedCapability.promise;
+ },
+ updateZoom(steps, scaleFactor, origin) {
+ if (this.pdfViewer.isInPresentationMode) {
+ return;
+ }
+ this.pdfViewer.updateScale({
+ drawingDelay: AppOptions.get("defaultZoomDelay"),
+ steps,
+ scaleFactor,
+ origin
+ });
+ },
+ zoomIn() {
+ this.updateZoom(1);
+ },
+ zoomOut() {
+ this.updateZoom(-1);
+ },
+ zoomReset() {
+ if (this.pdfViewer.isInPresentationMode) {
+ return;
+ }
+ this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
+ },
+ touchPinchCallback(origin, prevDistance, distance) {
+ if (this.supportsPinchToZoom) {
+ const newScaleFactor = this._accumulateFactor(this.pdfViewer.currentScale, distance / prevDistance, "_touchUnusedFactor");
+ this.updateZoom(null, newScaleFactor, origin);
+ } else {
+ const PIXELS_PER_LINE_SCALE = 30;
+ const ticks = this._accumulateTicks((distance - prevDistance) / PIXELS_PER_LINE_SCALE, "_touchUnusedTicks");
+ this.updateZoom(ticks, null, origin);
+ }
+ },
+ touchPinchEndCallback() {
+ this._touchUnusedTicks = 0;
+ this._touchUnusedFactor = 1;
+ },
+ get pagesCount() {
+ return this.pdfDocument ? this.pdfDocument.numPages : 0;
+ },
+ get page() {
+ return this.pdfViewer.currentPageNumber;
+ },
+ set page(val) {
+ this.pdfViewer.currentPageNumber = val;
+ },
+ get supportsPrinting() {
+ return shadow(this, "supportsPrinting", AppOptions.get("supportsPrinting") && PDFPrintServiceFactory.supportsPrinting);
+ },
+ get supportsFullscreen() {
+ return shadow(this, "supportsFullscreen", document.fullscreenEnabled);
+ },
+ get supportsPinchToZoom() {
+ return shadow(this, "supportsPinchToZoom", AppOptions.get("supportsPinchToZoom"));
+ },
+ get supportsIntegratedFind() {
+ return shadow(this, "supportsIntegratedFind", AppOptions.get("supportsIntegratedFind"));
+ },
+ get loadingBar() {
+ const barElement = document.getElementById("loadingBar");
+ const bar = barElement ? new ProgressBar(barElement) : null;
+ return shadow(this, "loadingBar", bar);
+ },
+ get supportsMouseWheelZoomCtrlKey() {
+ return shadow(this, "supportsMouseWheelZoomCtrlKey", AppOptions.get("supportsMouseWheelZoomCtrlKey"));
+ },
+ get supportsMouseWheelZoomMetaKey() {
+ return shadow(this, "supportsMouseWheelZoomMetaKey", AppOptions.get("supportsMouseWheelZoomMetaKey"));
+ },
+ get supportsCaretBrowsingMode() {
+ return AppOptions.get("supportsCaretBrowsingMode");
+ },
+ moveCaret(isUp, select) {
+ this._caretBrowsing ||= new CaretBrowsingMode(this._globalAbortController.signal, this.appConfig.mainContainer, this.appConfig.viewerContainer, this.appConfig.toolbar?.container);
+ this._caretBrowsing.moveCaret(isUp, select);
+ },
+ setTitleUsingUrl(url = "", downloadUrl = null) {
+ this.url = url;
+ this.baseUrl = updateUrlHash(url, "", true);
+ if (downloadUrl) {
+ this._downloadUrl = downloadUrl === url ? this.baseUrl : updateUrlHash(downloadUrl, "", true);
+ }
+ if (isDataScheme(url)) {
+ this._hideViewBookmark();
+ }
+ let title = pdfjs_getPdfFilenameFromUrl(url, "");
+ if (!title) {
+ try {
+ title = decodeURIComponent(getFilenameFromUrl(url));
+ } catch {}
+ }
+ this.setTitle(title || url);
+ },
+ setTitle(title = this._title) {
+ this._title = title;
+ if (this.isViewerEmbedded) {
+ return;
+ }
+ const editorIndicator = this._hasAnnotationEditors && !this.pdfRenderingQueue.printing;
+ document.title = `${editorIndicator ? "* " : ""}${title}`;
+ },
+ get _docFilename() {
+ return this._contentDispositionFilename || pdfjs_getPdfFilenameFromUrl(this.url);
+ },
+ get _docTitle() {
+ const {
+ documentInfo,
+ metadata
+ } = this;
+ const title = metadata?.get("dc:title");
+ if (title) {
+ if (title !== "Untitled" && !/[\uFFF0-\uFFFF]/g.test(title)) {
+ return title;
+ }
+ }
+ return documentInfo.Title;
+ },
+ _hideViewBookmark() {
+ const {
+ secondaryToolbar
+ } = this.appConfig;
+ secondaryToolbar?.viewBookmarkButton.classList.add("hidden");
+ if (secondaryToolbar?.presentationModeButton.classList.contains("hidden")) {
+ document.getElementById("viewBookmarkSeparator")?.classList.add("hidden");
+ }
+ },
+ async close() {
+ this._unblockDocumentLoadEvent();
+ this._hideViewBookmark();
+ if (!this.pdfLoadingTask) {
+ return;
+ }
+ if (this.pdfDocument?.annotationStorage.size > 0 && this._annotationStorageModified) {
+ try {
+ await this.save();
+ } catch {}
+ }
+ const promises = [];
+ promises.push(this.pdfLoadingTask.destroy());
+ this.pdfLoadingTask = null;
+ if (this.pdfDocument) {
+ this.pdfDocument = null;
+ this.pdfThumbnailViewer?.setDocument(null);
+ this.pdfViewer.setDocument(null);
+ this.pdfLinkService.setDocument(null);
+ this.pdfDocumentProperties?.setDocument(null);
+ }
+ this.pdfLinkService.externalLinkEnabled = true;
+ this.store = null;
+ this.isInitialViewSet = false;
+ this.url = "";
+ this.baseUrl = "";
+ this._downloadUrl = "";
+ this.documentInfo = null;
+ this.metadata = null;
+ this._contentDispositionFilename = null;
+ this._contentLength = null;
+ this._saveInProgress = false;
+ this._hasAnnotationEditors = false;
+ promises.push(this.pdfScriptingManager.destroyPromise, this.passwordPrompt.close());
+ this.setTitle();
+ this.pdfSidebar?.reset();
+ this.pdfOutlineViewer?.reset();
+ this.pdfAttachmentViewer?.reset();
+ this.pdfLayerViewer?.reset();
+ this.pdfHistory?.reset();
+ this.findBar?.reset();
+ this.toolbar?.reset();
+ this.secondaryToolbar?.reset();
+ this._PDFBug?.cleanup();
+ await Promise.all(promises);
+ },
+ async open(args) {
+ if (this.pdfLoadingTask) {
+ await this.close();
+ }
+ const workerParams = AppOptions.getAll(OptionKind.WORKER);
+ Object.assign(GlobalWorkerOptions, workerParams);
+ if (args.url) {
+ this.setTitleUsingUrl(args.originalUrl || args.url, args.url);
+ }
+ const apiParams = AppOptions.getAll(OptionKind.API);
+ const loadingTask = getDocument({
+ ...apiParams,
+ ...args
+ });
+ this.pdfLoadingTask = loadingTask;
+ loadingTask.onPassword = (updateCallback, reason) => {
+ if (this.isViewerEmbedded) {
+ this._unblockDocumentLoadEvent();
+ }
+ this.pdfLinkService.externalLinkEnabled = false;
+ this.passwordPrompt.setUpdateCallback(updateCallback, reason);
+ this.passwordPrompt.open();
+ };
+ loadingTask.onProgress = ({
+ loaded,
+ total
+ }) => {
+ this.progress(loaded / total);
+ };
+ return loadingTask.promise.then(pdfDocument => {
+ this.load(pdfDocument);
+ }, reason => {
+ if (loadingTask !== this.pdfLoadingTask) {
+ return undefined;
+ }
+ let key = "pdfjs-loading-error";
+ if (reason instanceof InvalidPDFException) {
+ key = "pdfjs-invalid-file-error";
+ } else if (reason instanceof ResponseException) {
+ key = reason.missing ? "pdfjs-missing-file-error" : "pdfjs-unexpected-response-error";
+ }
+ return this._documentError(key, {
+ message: reason.message
+ }).then(() => {
+ throw reason;
+ });
+ });
+ },
+ async download() {
+ let data;
+ try {
+ data = await (this.pdfDocument ? this.pdfDocument.getData() : this.pdfLoadingTask.getData());
+ } catch {}
+ this.downloadManager.download(data, this._downloadUrl, this._docFilename);
+ },
+ async save() {
+ if (this._saveInProgress) {
+ return;
+ }
+ this._saveInProgress = true;
+ await this.pdfScriptingManager.dispatchWillSave();
+ try {
+ const data = await this.pdfDocument.saveDocument();
+ this.downloadManager.download(data, this._downloadUrl, this._docFilename);
+ } catch (reason) {
+ console.error(`Error when saving the document:`, reason);
+ await this.download();
+ } finally {
+ await this.pdfScriptingManager.dispatchDidSave();
+ this._saveInProgress = false;
+ }
+ const editorStats = this.pdfDocument?.annotationStorage.editorStats;
+ if (editorStats) {
+ this.externalServices.reportTelemetry({
+ type: "editing",
+ data: {
+ type: "save",
+ stats: editorStats
+ }
+ });
+ }
+ },
+ async downloadOrSave() {
+ const {
+ classList
+ } = this.appConfig.appContainer;
+ classList.add("wait");
+ await (this.pdfDocument?.annotationStorage.size > 0 ? this.save() : this.download());
+ classList.remove("wait");
+ },
+ async _documentError(key, moreInfo = null) {
+ this._unblockDocumentLoadEvent();
+ const message = await this._otherError(key || "pdfjs-loading-error", moreInfo);
+ this.eventBus.dispatch("documenterror", {
+ source: this,
+ message,
+ reason: moreInfo?.message ?? null
+ });
+ },
+ async _otherError(key, moreInfo = null) {
+ const message = await this.l10n.get(key);
+ const moreInfoText = [`PDF.js v${version || "?"} (build: ${build || "?"})`];
+ if (moreInfo) {
+ moreInfoText.push(`Message: ${moreInfo.message}`);
+ if (moreInfo.stack) {
+ moreInfoText.push(`Stack: ${moreInfo.stack}`);
+ } else {
+ if (moreInfo.filename) {
+ moreInfoText.push(`File: ${moreInfo.filename}`);
+ }
+ if (moreInfo.lineNumber) {
+ moreInfoText.push(`Line: ${moreInfo.lineNumber}`);
+ }
+ }
+ }
+ console.error(`${message}\n\n${moreInfoText.join("\n")}`);
+ return message;
+ },
+ progress(level) {
+ const percent = Math.round(level * 100);
+ if (!this.loadingBar || percent <= this.loadingBar.percent) {
+ return;
+ }
+ this.loadingBar.percent = percent;
+ if (this.pdfDocument?.loadingParams.disableAutoFetch ?? AppOptions.get("disableAutoFetch")) {
+ this.loadingBar.setDisableAutoFetch();
+ }
+ },
+ load(pdfDocument) {
+ this.pdfDocument = pdfDocument;
+ this._printPermissionPromise = new Promise(resolve => {
+ this.eventBus.on("printingallowed", ({
+ isAllowed
+ }) => {
+ resolve(isAllowed);
+ }, {
+ once: true
+ });
+ });
+ pdfDocument.getDownloadInfo().then(({
+ length
+ }) => {
+ this._contentLength = length;
+ this.loadingBar?.hide();
+ firstPagePromise.then(() => {
+ this.eventBus.dispatch("documentloaded", {
+ source: this
+ });
+ });
+ });
+ const pageLayoutPromise = pdfDocument.getPageLayout().catch(() => {});
+ const pageModePromise = pdfDocument.getPageMode().catch(() => {});
+ const openActionPromise = pdfDocument.getOpenAction().catch(() => {});
+ this.toolbar?.setPagesCount(pdfDocument.numPages, false);
+ this.secondaryToolbar?.setPagesCount(pdfDocument.numPages);
+ this.pdfLinkService.setDocument(pdfDocument);
+ this.pdfDocumentProperties?.setDocument(pdfDocument);
+ const pdfViewer = this.pdfViewer;
+ pdfViewer.setDocument(pdfDocument);
+ const {
+ firstPagePromise,
+ onePageRendered,
+ pagesPromise
+ } = pdfViewer;
+ this.pdfThumbnailViewer?.setDocument(pdfDocument);
+ const storedPromise = (this.store = new ViewHistory(pdfDocument.fingerprints[0])).getMultiple({
+ page: null,
+ zoom: DEFAULT_SCALE_VALUE,
+ scrollLeft: "0",
+ scrollTop: "0",
+ rotation: null,
+ sidebarView: SidebarView.UNKNOWN,
+ scrollMode: ScrollMode.UNKNOWN,
+ spreadMode: SpreadMode.UNKNOWN
+ }).catch(() => {});
+ firstPagePromise.then(pdfPage => {
+ this.loadingBar?.setWidth(this.appConfig.viewerContainer);
+ this._initializeAnnotationStorageCallbacks(pdfDocument);
+ Promise.all([animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => {
+ const viewOnLoad = AppOptions.get("viewOnLoad");
+ this._initializePdfHistory({
+ fingerprint: pdfDocument.fingerprints[0],
+ viewOnLoad,
+ initialDest: openAction?.dest
+ });
+ const initialBookmark = this.initialBookmark;
+ const zoom = AppOptions.get("defaultZoomValue");
+ let hash = zoom ? `zoom=${zoom}` : null;
+ let rotation = null;
+ let sidebarView = AppOptions.get("sidebarViewOnLoad");
+ let scrollMode = AppOptions.get("scrollModeOnLoad");
+ let spreadMode = AppOptions.get("spreadModeOnLoad");
+ if (stored?.page && viewOnLoad !== ViewOnLoad.INITIAL) {
+ hash = `page=${stored.page}&zoom=${zoom || stored.zoom},` + `${stored.scrollLeft},${stored.scrollTop}`;
+ rotation = parseInt(stored.rotation, 10);
+ if (sidebarView === SidebarView.UNKNOWN) {
+ sidebarView = stored.sidebarView | 0;
+ }
+ if (scrollMode === ScrollMode.UNKNOWN) {
+ scrollMode = stored.scrollMode | 0;
+ }
+ if (spreadMode === SpreadMode.UNKNOWN) {
+ spreadMode = stored.spreadMode | 0;
+ }
+ }
+ if (pageMode && sidebarView === SidebarView.UNKNOWN) {
+ sidebarView = apiPageModeToSidebarView(pageMode);
+ }
+ if (pageLayout && scrollMode === ScrollMode.UNKNOWN && spreadMode === SpreadMode.UNKNOWN) {
+ const modes = apiPageLayoutToViewerModes(pageLayout);
+ spreadMode = modes.spreadMode;
+ }
+ this.setInitialView(hash, {
+ rotation,
+ sidebarView,
+ scrollMode,
+ spreadMode
+ });
+ this.eventBus.dispatch("documentinit", {
+ source: this
+ });
+ await Promise.race([pagesPromise, new Promise(resolve => {
+ setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
+ })]);
+ if (!initialBookmark && !hash) {
+ return;
+ }
+ if (pdfViewer.hasEqualPageSizes) {
+ return;
+ }
+ this.initialBookmark = initialBookmark;
+ pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
+ this.setInitialView(hash);
+ }).catch(() => {
+ this.setInitialView();
+ }).then(function () {
+ pdfViewer.update();
+ });
+ });
+ pagesPromise.then(() => {
+ this._unblockDocumentLoadEvent();
+ this._initializeAutoPrint(pdfDocument, openActionPromise);
+ }, reason => {
+ this._documentError("pdfjs-loading-error", {
+ message: reason.message
+ });
+ });
+ onePageRendered.then(data => {
+ this.externalServices.reportTelemetry({
+ type: "pageInfo",
+ timestamp: data.timestamp
+ });
+ if (this.pdfOutlineViewer) {
+ pdfDocument.getOutline().then(outline => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.pdfOutlineViewer.render({
+ outline,
+ pdfDocument
+ });
+ });
+ }
+ if (this.pdfAttachmentViewer) {
+ pdfDocument.getAttachments().then(attachments => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.pdfAttachmentViewer.render({
+ attachments
+ });
+ });
+ }
+ if (this.pdfLayerViewer) {
+ pdfViewer.optionalContentConfigPromise.then(optionalContentConfig => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.pdfLayerViewer.render({
+ optionalContentConfig,
+ pdfDocument
+ });
+ });
+ }
+ });
+ this._initializePageLabels(pdfDocument);
+ this._initializeMetadata(pdfDocument);
+ },
+ async _scriptingDocProperties(pdfDocument) {
+ if (!this.documentInfo) {
+ await new Promise(resolve => {
+ this.eventBus._on("metadataloaded", resolve, {
+ once: true
+ });
+ });
+ if (pdfDocument !== this.pdfDocument) {
+ return null;
+ }
+ }
+ if (!this._contentLength) {
+ await new Promise(resolve => {
+ this.eventBus._on("documentloaded", resolve, {
+ once: true
+ });
+ });
+ if (pdfDocument !== this.pdfDocument) {
+ return null;
+ }
+ }
+ return {
+ ...this.documentInfo,
+ baseURL: this.baseUrl,
+ filesize: this._contentLength,
+ filename: this._docFilename,
+ metadata: this.metadata?.getRaw(),
+ authors: this.metadata?.get("dc:creator"),
+ numPages: this.pagesCount,
+ URL: this.url
+ };
+ },
+ async _initializeAutoPrint(pdfDocument, openActionPromise) {
+ const [openAction, jsActions] = await Promise.all([openActionPromise, this.pdfViewer.enableScripting ? null : pdfDocument.getJSActions()]);
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ let triggerAutoPrint = openAction?.action === "Print";
+ if (jsActions) {
+ console.warn("Warning: JavaScript support is not enabled");
+ for (const name in jsActions) {
+ if (triggerAutoPrint) {
+ break;
+ }
+ switch (name) {
+ case "WillClose":
+ case "WillSave":
+ case "DidSave":
+ case "WillPrint":
+ case "DidPrint":
+ continue;
+ }
+ triggerAutoPrint = jsActions[name].some(js => AutoPrintRegExp.test(js));
+ }
+ }
+ if (triggerAutoPrint) {
+ this.triggerPrinting();
+ }
+ },
+ async _initializeMetadata(pdfDocument) {
+ const {
+ info,
+ metadata,
+ contentDispositionFilename,
+ contentLength
+ } = await pdfDocument.getMetadata();
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ if (info.collectedSignatureCertificates) {
+ this.externalServices.reportTelemetry({
+ type: "signatureCertificates",
+ data: info.collectedSignatureCertificates
+ });
+ }
+ this.documentInfo = info;
+ this.metadata = metadata;
+ this._contentDispositionFilename ??= contentDispositionFilename;
+ this._contentLength ??= contentLength;
+ console.log(`PDF ${pdfDocument.fingerprints[0]} [${info.PDFFormatVersion} ` + `${(metadata?.get("pdf:producer") || info.Producer || "-").trim()} / ` + `${(metadata?.get("xmp:creatortool") || info.Creator || "-").trim()}` + `] (PDF.js: ${version || "?"} [${build || "?"}])`);
+ const pdfTitle = this._docTitle;
+ if (pdfTitle) {
+ this.setTitle(`${pdfTitle} - ${this._contentDispositionFilename || this._title}`);
+ } else if (this._contentDispositionFilename) {
+ this.setTitle(this._contentDispositionFilename);
+ }
+ if (info.IsXFAPresent && !info.IsAcroFormPresent && !pdfDocument.isPureXfa) {
+ if (pdfDocument.loadingParams.enableXfa) {
+ console.warn("Warning: XFA Foreground documents are not supported");
+ } else {
+ console.warn("Warning: XFA support is not enabled");
+ }
+ } else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderForms) {
+ console.warn("Warning: Interactive form support is not enabled");
+ }
+ if (info.IsSignaturesPresent) {
+ console.warn("Warning: Digital signatures validation is not supported");
+ }
+ this.eventBus.dispatch("metadataloaded", {
+ source: this
+ });
+ },
+ async _initializePageLabels(pdfDocument) {
+ const labels = await pdfDocument.getPageLabels();
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ if (!labels || AppOptions.get("disablePageLabels")) {
+ return;
+ }
+ const numLabels = labels.length;
+ let standardLabels = 0,
+ emptyLabels = 0;
+ for (let i = 0; i < numLabels; i++) {
+ const label = labels[i];
+ if (label === (i + 1).toString()) {
+ standardLabels++;
+ } else if (label === "") {
+ emptyLabels++;
+ } else {
+ break;
+ }
+ }
+ if (standardLabels >= numLabels || emptyLabels >= numLabels) {
+ return;
+ }
+ const {
+ pdfViewer,
+ pdfThumbnailViewer,
+ toolbar
+ } = this;
+ pdfViewer.setPageLabels(labels);
+ pdfThumbnailViewer?.setPageLabels(labels);
+ toolbar?.setPagesCount(numLabels, true);
+ toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
+ },
+ _initializePdfHistory({
+ fingerprint,
+ viewOnLoad,
+ initialDest = null
+ }) {
+ if (!this.pdfHistory) {
+ return;
+ }
+ this.pdfHistory.initialize({
+ fingerprint,
+ resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
+ updateUrl: AppOptions.get("historyUpdateUrl")
+ });
+ if (this.pdfHistory.initialBookmark) {
+ this.initialBookmark = this.pdfHistory.initialBookmark;
+ this.initialRotation = this.pdfHistory.initialRotation;
+ }
+ if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) {
+ this.initialBookmark = JSON.stringify(initialDest);
+ this.pdfHistory.push({
+ explicitDest: initialDest,
+ pageNumber: null
+ });
+ }
+ },
+ _initializeAnnotationStorageCallbacks(pdfDocument) {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ const {
+ annotationStorage
+ } = pdfDocument;
+ annotationStorage.onSetModified = () => {
+ window.addEventListener("beforeunload", beforeUnload);
+ this._annotationStorageModified = true;
+ };
+ annotationStorage.onResetModified = () => {
+ window.removeEventListener("beforeunload", beforeUnload);
+ delete this._annotationStorageModified;
+ };
+ annotationStorage.onAnnotationEditor = typeStr => {
+ this._hasAnnotationEditors = !!typeStr;
+ this.setTitle();
+ };
+ },
+ setInitialView(storedHash, {
+ rotation,
+ sidebarView,
+ scrollMode,
+ spreadMode
+ } = {}) {
+ const setRotation = angle => {
+ if (isValidRotation(angle)) {
+ this.pdfViewer.pagesRotation = angle;
+ }
+ };
+ const setViewerModes = (scroll, spread) => {
+ if (isValidScrollMode(scroll)) {
+ this.pdfViewer.scrollMode = scroll;
+ }
+ if (isValidSpreadMode(spread)) {
+ this.pdfViewer.spreadMode = spread;
+ }
+ };
+ this.isInitialViewSet = true;
+ this.pdfSidebar?.setInitialView(sidebarView);
+ setViewerModes(scrollMode, spreadMode);
+ if (this.initialBookmark) {
+ setRotation(this.initialRotation);
+ delete this.initialRotation;
+ this.pdfLinkService.setHash(this.initialBookmark);
+ this.initialBookmark = null;
+ } else if (storedHash) {
+ setRotation(rotation);
+ this.pdfLinkService.setHash(storedHash);
+ }
+ this.toolbar?.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
+ this.secondaryToolbar?.setPageNumber(this.pdfViewer.currentPageNumber);
+ if (!this.pdfViewer.currentScaleValue) {
+ this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
+ }
+ },
+ _cleanup() {
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.pdfViewer.cleanup();
+ this.pdfThumbnailViewer?.cleanup();
+ this.pdfDocument.cleanup(AppOptions.get("fontExtraProperties"));
+ },
+ forceRendering() {
+ this.pdfRenderingQueue.printing = !!this.printService;
+ this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar?.visibleView === SidebarView.THUMBS;
+ this.pdfRenderingQueue.renderHighestPriority();
+ },
+ beforePrint() {
+ this._printAnnotationStoragePromise = this.pdfScriptingManager.dispatchWillPrint().catch(() => {}).then(() => this.pdfDocument?.annotationStorage.print);
+ if (this.printService) {
+ return;
+ }
+ if (!this.supportsPrinting || !this.pdfViewer.printingAllowed) {
+ this._otherError("pdfjs-printing-not-supported");
+ return;
+ }
+ if (!this.pdfViewer.pageViewsReady) {
+ this.l10n.get("pdfjs-printing-not-ready").then(msg => {
+ window.alert(msg);
+ });
+ return;
+ }
+ this.printService = PDFPrintServiceFactory.createPrintService({
+ pdfDocument: this.pdfDocument,
+ pagesOverview: this.pdfViewer.getPagesOverview(),
+ printContainer: this.appConfig.printContainer,
+ printResolution: AppOptions.get("printResolution"),
+ printAnnotationStoragePromise: this._printAnnotationStoragePromise
+ });
+ this.forceRendering();
+ this.setTitle();
+ this.printService.layout();
+ if (this._hasAnnotationEditors) {
+ this.externalServices.reportTelemetry({
+ type: "editing",
+ data: {
+ type: "print",
+ stats: this.pdfDocument?.annotationStorage.editorStats
+ }
+ });
+ }
+ },
+ afterPrint() {
+ if (this._printAnnotationStoragePromise) {
+ this._printAnnotationStoragePromise.then(() => {
+ this.pdfScriptingManager.dispatchDidPrint();
+ });
+ this._printAnnotationStoragePromise = null;
+ }
+ if (this.printService) {
+ this.printService.destroy();
+ this.printService = null;
+ this.pdfDocument?.annotationStorage.resetModified();
+ }
+ this.forceRendering();
+ this.setTitle();
+ },
+ rotatePages(delta) {
+ this.pdfViewer.pagesRotation += delta;
+ },
+ requestPresentationMode() {
+ this.pdfPresentationMode?.request();
+ },
+ async triggerPrinting() {
+ if (this.supportsPrinting && (await this._printPermissionPromise)) {
+ window.print();
+ }
+ },
+ bindEvents() {
+ if (this._eventBusAbortController) {
+ return;
+ }
+ const ac = this._eventBusAbortController = new AbortController();
+ const opts = {
+ signal: ac.signal
+ };
+ const {
+ eventBus,
+ externalServices,
+ pdfDocumentProperties,
+ pdfViewer,
+ preferences
+ } = this;
+ eventBus._on("resize", onResize.bind(this), opts);
+ eventBus._on("hashchange", onHashchange.bind(this), opts);
+ eventBus._on("beforeprint", this.beforePrint.bind(this), opts);
+ eventBus._on("afterprint", this.afterPrint.bind(this), opts);
+ eventBus._on("pagerender", onPageRender.bind(this), opts);
+ eventBus._on("pagerendered", onPageRendered.bind(this), opts);
+ eventBus._on("updateviewarea", onUpdateViewarea.bind(this), opts);
+ eventBus._on("pagechanging", onPageChanging.bind(this), opts);
+ eventBus._on("scalechanging", onScaleChanging.bind(this), opts);
+ eventBus._on("rotationchanging", onRotationChanging.bind(this), opts);
+ eventBus._on("sidebarviewchanged", onSidebarViewChanged.bind(this), opts);
+ eventBus._on("pagemode", onPageMode.bind(this), opts);
+ eventBus._on("namedaction", onNamedAction.bind(this), opts);
+ eventBus._on("presentationmodechanged", evt => pdfViewer.presentationModeState = evt.state, opts);
+ eventBus._on("presentationmode", this.requestPresentationMode.bind(this), opts);
+ eventBus._on("switchannotationeditormode", evt => pdfViewer.annotationEditorMode = evt, opts);
+ eventBus._on("print", this.triggerPrinting.bind(this), opts);
+ eventBus._on("download", this.downloadOrSave.bind(this), opts);
+ eventBus._on("firstpage", () => this.page = 1, opts);
+ eventBus._on("lastpage", () => this.page = this.pagesCount, opts);
+ eventBus._on("nextpage", () => pdfViewer.nextPage(), opts);
+ eventBus._on("previouspage", () => pdfViewer.previousPage(), opts);
+ eventBus._on("zoomin", this.zoomIn.bind(this), opts);
+ eventBus._on("zoomout", this.zoomOut.bind(this), opts);
+ eventBus._on("zoomreset", this.zoomReset.bind(this), opts);
+ eventBus._on("pagenumberchanged", onPageNumberChanged.bind(this), opts);
+ eventBus._on("scalechanged", evt => pdfViewer.currentScaleValue = evt.value, opts);
+ eventBus._on("rotatecw", this.rotatePages.bind(this, 90), opts);
+ eventBus._on("rotateccw", this.rotatePages.bind(this, -90), opts);
+ eventBus._on("optionalcontentconfig", evt => pdfViewer.optionalContentConfigPromise = evt.promise, opts);
+ eventBus._on("switchscrollmode", evt => pdfViewer.scrollMode = evt.mode, opts);
+ eventBus._on("scrollmodechanged", onViewerModesChanged.bind(this, "scrollMode"), opts);
+ eventBus._on("switchspreadmode", evt => pdfViewer.spreadMode = evt.mode, opts);
+ eventBus._on("spreadmodechanged", onViewerModesChanged.bind(this, "spreadMode"), opts);
+ eventBus._on("imagealttextsettings", onImageAltTextSettings.bind(this), opts);
+ eventBus._on("documentproperties", () => pdfDocumentProperties?.open(), opts);
+ eventBus._on("findfromurlhash", onFindFromUrlHash.bind(this), opts);
+ eventBus._on("updatefindmatchescount", onUpdateFindMatchesCount.bind(this), opts);
+ eventBus._on("updatefindcontrolstate", onUpdateFindControlState.bind(this), opts);
+ eventBus._on("fileinputchange", onFileInputChange.bind(this), opts);
+ eventBus._on("openfile", onOpenFile.bind(this), opts);
+ },
+ bindWindowEvents() {
+ if (this._windowAbortController) {
+ return;
+ }
+ this._windowAbortController = new AbortController();
+ const {
+ eventBus,
+ appConfig: {
+ mainContainer
+ },
+ pdfViewer,
+ _windowAbortController: {
+ signal
+ }
+ } = this;
+ this._touchManager = new TouchManager({
+ container: window,
+ isPinchingDisabled: () => pdfViewer.isInPresentationMode,
+ isPinchingStopped: () => this.overlayManager?.active,
+ onPinching: this.touchPinchCallback.bind(this),
+ onPinchEnd: this.touchPinchEndCallback.bind(this),
+ signal
+ });
+ function addWindowResolutionChange(evt = null) {
+ if (evt) {
+ pdfViewer.refresh();
+ }
+ const mediaQueryList = window.matchMedia(`(resolution: ${OutputScale.pixelRatio}dppx)`);
+ mediaQueryList.addEventListener("change", addWindowResolutionChange, {
+ once: true,
+ signal
+ });
+ }
+ addWindowResolutionChange();
+ window.addEventListener("wheel", onWheel.bind(this), {
+ passive: false,
+ signal
+ });
+ window.addEventListener("click", onClick.bind(this), {
+ signal
+ });
+ window.addEventListener("keydown", onKeyDown.bind(this), {
+ signal
+ });
+ window.addEventListener("keyup", onKeyUp.bind(this), {
+ signal
+ });
+ window.addEventListener("resize", () => eventBus.dispatch("resize", {
+ source: window
+ }), {
+ signal
+ });
+ window.addEventListener("hashchange", () => {
+ eventBus.dispatch("hashchange", {
+ source: window,
+ hash: document.location.hash.substring(1)
+ });
+ }, {
+ signal
+ });
+ window.addEventListener("beforeprint", () => eventBus.dispatch("beforeprint", {
+ source: window
+ }), {
+ signal
+ });
+ window.addEventListener("afterprint", () => eventBus.dispatch("afterprint", {
+ source: window
+ }), {
+ signal
+ });
+ window.addEventListener("updatefromsandbox", evt => {
+ eventBus.dispatch("updatefromsandbox", {
+ source: window,
+ detail: evt.detail
+ });
+ }, {
+ signal
+ });
+ if (!("onscrollend" in document.documentElement)) {
+ return;
+ }
+ ({
+ scrollTop: this._lastScrollTop,
+ scrollLeft: this._lastScrollLeft
+ } = mainContainer);
+ let scrollendTimeoutID, scrollAbortController;
+ const scrollend = () => {
+ ({
+ scrollTop: this._lastScrollTop,
+ scrollLeft: this._lastScrollLeft
+ } = mainContainer);
+ clearTimeout(scrollendTimeoutID);
+ if (this._isScrolling) {
+ scrollAbortController.abort();
+ scrollAbortController = null;
+ this._isScrolling = false;
+ }
+ };
+ const scroll = () => {
+ if (this._isCtrlKeyDown) {
+ return;
+ }
+ if (this._lastScrollTop === mainContainer.scrollTop && this._lastScrollLeft === mainContainer.scrollLeft) {
+ return;
+ }
+ if (!this._isScrolling) {
+ scrollAbortController = new AbortController();
+ const abortSignal = AbortSignal.any([scrollAbortController.signal, signal]);
+ mainContainer.addEventListener("scrollend", scrollend, {
+ signal: abortSignal
+ });
+ mainContainer.addEventListener("blur", scrollend, {
+ signal: abortSignal
+ });
+ this._isScrolling = true;
+ }
+ clearTimeout(scrollendTimeoutID);
+ scrollendTimeoutID = setTimeout(scrollend, 100);
+ };
+ mainContainer.addEventListener("scroll", scroll, {
+ passive: true,
+ signal
+ });
+ },
+ unbindEvents() {
+ this._eventBusAbortController?.abort();
+ this._eventBusAbortController = null;
+ },
+ unbindWindowEvents() {
+ this._windowAbortController?.abort();
+ this._windowAbortController = null;
+ this._touchManager = null;
+ },
+ async testingClose() {
+ this.unbindEvents();
+ this.unbindWindowEvents();
+ this._globalAbortController?.abort();
+ this._globalAbortController = null;
+ this.findBar?.close();
+ await Promise.all([this.l10n?.destroy(), this.close()]);
+ },
+ _accumulateTicks(ticks, prop) {
+ if (this[prop] > 0 && ticks < 0 || this[prop] < 0 && ticks > 0) {
+ this[prop] = 0;
+ }
+ this[prop] += ticks;
+ const wholeTicks = Math.trunc(this[prop]);
+ this[prop] -= wholeTicks;
+ return wholeTicks;
+ },
+ _accumulateFactor(previousScale, factor, prop) {
+ if (factor === 1) {
+ return 1;
+ }
+ if (this[prop] > 1 && factor < 1 || this[prop] < 1 && factor > 1) {
+ this[prop] = 1;
+ }
+ const newFactor = Math.floor(previousScale * factor * this[prop] * 100) / (100 * previousScale);
+ this[prop] = factor / newFactor;
+ return newFactor;
+ },
+ _unblockDocumentLoadEvent() {
+ document.blockUnblockOnload?.(false);
+ this._unblockDocumentLoadEvent = () => {};
+ },
+ get scriptingReady() {
+ return this.pdfScriptingManager.ready;
+ }
+};
+initCom(PDFViewerApplication);
+{
+ PDFPrintServiceFactory.initGlobals(PDFViewerApplication);
+}
+{
+ const HOSTED_VIEWER_ORIGINS = new Set(["null", "http://mozilla.github.io", "https://mozilla.github.io"]);
+ var validateFileURL = function (file) {
+ if (!file) {
+ return;
+ }
+ const viewerOrigin = URL.parse(window.location)?.origin || "null";
+ if (HOSTED_VIEWER_ORIGINS.has(viewerOrigin)) {
+ return;
+ }
+ const fileOrigin = URL.parse(file, window.location)?.origin;
+ if (fileOrigin === viewerOrigin) {
+ return;
+ }
+ const ex = new Error("file origin does not match viewer's");
+ PDFViewerApplication._documentError("pdfjs-loading-error", {
+ message: ex.message
+ });
+ throw ex;
+ };
+ var onFileInputChange = function (evt) {
+ if (this.pdfViewer?.isInPresentationMode) {
+ return;
+ }
+ const file = evt.fileInput.files[0];
+ this.open({
+ url: URL.createObjectURL(file),
+ originalUrl: encodeURIComponent(file.name)
+ });
+ };
+ var onOpenFile = function (evt) {
+ this._openFileInput?.click();
+ };
+}
+function onPageRender({
+ pageNumber
+}) {
+ if (pageNumber === this.page) {
+ this.toolbar?.updateLoadingIndicatorState(true);
+ }
+}
+function onPageRendered({
+ pageNumber,
+ isDetailView,
+ error
+}) {
+ if (pageNumber === this.page) {
+ this.toolbar?.updateLoadingIndicatorState(false);
+ }
+ if (!isDetailView && this.pdfSidebar?.visibleView === SidebarView.THUMBS) {
+ const pageView = this.pdfViewer.getPageView(pageNumber - 1);
+ const thumbnailView = this.pdfThumbnailViewer?.getThumbnail(pageNumber - 1);
+ if (pageView) {
+ thumbnailView?.setImage(pageView);
+ }
+ }
+ if (error) {
+ this._otherError("pdfjs-rendering-error", error);
+ }
+}
+function onPageMode({
+ mode
+}) {
+ let view;
+ switch (mode) {
+ case "thumbs":
+ view = SidebarView.THUMBS;
+ break;
+ case "bookmarks":
+ case "outline":
+ view = SidebarView.OUTLINE;
+ break;
+ case "attachments":
+ view = SidebarView.ATTACHMENTS;
+ break;
+ case "layers":
+ view = SidebarView.LAYERS;
+ break;
+ case "none":
+ view = SidebarView.NONE;
+ break;
+ default:
+ console.error('Invalid "pagemode" hash parameter: ' + mode);
+ return;
+ }
+ this.pdfSidebar?.switchView(view, true);
+}
+function onNamedAction(evt) {
+ switch (evt.action) {
+ case "GoToPage":
+ this.appConfig.toolbar?.pageNumber.select();
+ break;
+ case "Find":
+ if (!this.supportsIntegratedFind) {
+ this.findBar?.toggle();
+ }
+ break;
+ case "Print":
+ this.triggerPrinting();
+ break;
+ case "SaveAs":
+ this.downloadOrSave();
+ break;
+ }
+}
+function onSidebarViewChanged({
+ view
+}) {
+ this.pdfRenderingQueue.isThumbnailViewEnabled = view === SidebarView.THUMBS;
+ if (this.isInitialViewSet) {
+ this.store?.set("sidebarView", view).catch(() => {});
+ }
+}
+function onUpdateViewarea({
+ location
+}) {
+ if (this.isInitialViewSet) {
+ this.store?.setMultiple({
+ page: location.pageNumber,
+ zoom: location.scale,
+ scrollLeft: location.left,
+ scrollTop: location.top,
+ rotation: location.rotation
+ }).catch(() => {});
+ }
+ if (this.appConfig.secondaryToolbar) {
+ this.appConfig.secondaryToolbar.viewBookmarkButton.href = this.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
+ }
+}
+function onViewerModesChanged(name, evt) {
+ if (this.isInitialViewSet && !this.pdfViewer.isInPresentationMode) {
+ this.store?.set(name, evt.mode).catch(() => {});
+ }
+}
+function onResize() {
+ const {
+ pdfDocument,
+ pdfViewer,
+ pdfRenderingQueue
+ } = this;
+ if (pdfRenderingQueue.printing && window.matchMedia("print").matches) {
+ return;
+ }
+ if (!pdfDocument) {
+ return;
+ }
+ const currentScaleValue = pdfViewer.currentScaleValue;
+ if (currentScaleValue === "auto" || currentScaleValue === "page-fit" || currentScaleValue === "page-width") {
+ pdfViewer.currentScaleValue = currentScaleValue;
+ }
+ pdfViewer.update();
+}
+function onHashchange(evt) {
+ const hash = evt.hash;
+ if (!hash) {
+ return;
+ }
+ if (!this.isInitialViewSet) {
+ this.initialBookmark = hash;
+ } else if (!this.pdfHistory?.popStateInProgress) {
+ this.pdfLinkService.setHash(hash);
+ }
+}
+function onPageNumberChanged(evt) {
+ const {
+ pdfViewer
+ } = this;
+ if (evt.value !== "") {
+ this.pdfLinkService.goToPage(evt.value);
+ }
+ if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
+ this.toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
+ }
+}
+function onImageAltTextSettings() {
+ this.imageAltTextSettings?.open({
+ enableGuessAltText: AppOptions.get("enableGuessAltText"),
+ enableNewAltTextWhenAddingImage: AppOptions.get("enableNewAltTextWhenAddingImage")
+ });
+}
+function onFindFromUrlHash(evt) {
+ this.eventBus.dispatch("find", {
+ source: evt.source,
+ type: "",
+ query: evt.query,
+ caseSensitive: false,
+ entireWord: false,
+ highlightAll: true,
+ findPrevious: false,
+ matchDiacritics: true
+ });
+}
+function onUpdateFindMatchesCount({
+ matchesCount
+}) {
+ if (this.supportsIntegratedFind) {
+ this.externalServices.updateFindMatchesCount(matchesCount);
+ } else {
+ this.findBar?.updateResultsCount(matchesCount);
+ }
+}
+function onUpdateFindControlState({
+ state,
+ previous,
+ entireWord,
+ matchesCount,
+ rawQuery
+}) {
+ if (this.supportsIntegratedFind) {
+ this.externalServices.updateFindControlState({
+ result: state,
+ findPrevious: previous,
+ entireWord,
+ matchesCount,
+ rawQuery
+ });
+ } else {
+ this.findBar?.updateUIState(state, previous, matchesCount);
+ }
+}
+function onScaleChanging(evt) {
+ this.toolbar?.setPageScale(evt.presetValue, evt.scale);
+ this.pdfViewer.update();
+}
+function onRotationChanging(evt) {
+ if (this.pdfThumbnailViewer) {
+ this.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
+ }
+ this.forceRendering();
+ this.pdfViewer.currentPageNumber = evt.pageNumber;
+}
+function onPageChanging({
+ pageNumber,
+ pageLabel
+}) {
+ this.toolbar?.setPageNumber(pageNumber, pageLabel);
+ this.secondaryToolbar?.setPageNumber(pageNumber);
+ if (this.pdfSidebar?.visibleView === SidebarView.THUMBS) {
+ this.pdfThumbnailViewer?.scrollThumbnailIntoView(pageNumber);
+ }
+ const currentPage = this.pdfViewer.getPageView(pageNumber - 1);
+ this.toolbar?.updateLoadingIndicatorState(currentPage?.renderingState === RenderingStates.RUNNING);
+}
+function onWheel(evt) {
+ const {
+ pdfViewer,
+ supportsMouseWheelZoomCtrlKey,
+ supportsMouseWheelZoomMetaKey,
+ supportsPinchToZoom
+ } = this;
+ if (pdfViewer.isInPresentationMode) {
+ return;
+ }
+ const deltaMode = evt.deltaMode;
+ let scaleFactor = Math.exp(-evt.deltaY / 100);
+ const isBuiltInMac = false;
+ const isPinchToZoom = evt.ctrlKey && !this._isCtrlKeyDown && deltaMode === WheelEvent.DOM_DELTA_PIXEL && evt.deltaX === 0 && (Math.abs(scaleFactor - 1) < 0.05 || isBuiltInMac) && evt.deltaZ === 0;
+ const origin = [evt.clientX, evt.clientY];
+ if (isPinchToZoom || evt.ctrlKey && supportsMouseWheelZoomCtrlKey || evt.metaKey && supportsMouseWheelZoomMetaKey) {
+ evt.preventDefault();
+ if (this._isScrolling || document.visibilityState === "hidden" || this.overlayManager.active) {
+ return;
+ }
+ if (isPinchToZoom && supportsPinchToZoom) {
+ scaleFactor = this._accumulateFactor(pdfViewer.currentScale, scaleFactor, "_wheelUnusedFactor");
+ this.updateZoom(null, scaleFactor, origin);
+ } else {
+ const delta = normalizeWheelEventDirection(evt);
+ let ticks = 0;
+ if (deltaMode === WheelEvent.DOM_DELTA_LINE || deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+ ticks = Math.abs(delta) >= 1 ? Math.sign(delta) : this._accumulateTicks(delta, "_wheelUnusedTicks");
+ } else {
+ const PIXELS_PER_LINE_SCALE = 30;
+ ticks = this._accumulateTicks(delta / PIXELS_PER_LINE_SCALE, "_wheelUnusedTicks");
+ }
+ this.updateZoom(ticks, null, origin);
+ }
+ }
+}
+function closeSecondaryToolbar({
+ target
+}) {
+ if (!this.secondaryToolbar?.isOpen) {
+ return;
+ }
+ const {
+ toolbar,
+ secondaryToolbar
+ } = this.appConfig;
+ if (this.pdfViewer.containsElement(target) || toolbar?.container.contains(target) && !secondaryToolbar?.toolbar.contains(target) && !secondaryToolbar?.toggleButton.contains(target)) {
+ this.secondaryToolbar.close();
+ }
+}
+function closeEditorUndoBar(evt) {
+ if (!this.editorUndoBar?.isOpen) {
+ return;
+ }
+ if (this.appConfig.secondaryToolbar?.toolbar.contains(evt.target)) {
+ this.editorUndoBar.hide();
+ }
+}
+function onClick(evt) {
+ closeSecondaryToolbar.call(this, evt);
+ closeEditorUndoBar.call(this, evt);
+}
+function onKeyUp(evt) {
+ if (evt.key === "Control") {
+ this._isCtrlKeyDown = false;
+ }
+}
+function onKeyDown(evt) {
+ this._isCtrlKeyDown = evt.key === "Control";
+ if (this.editorUndoBar?.isOpen && evt.keyCode !== 9 && evt.keyCode !== 16 && !((evt.keyCode === 13 || evt.keyCode === 32) && getActiveOrFocusedElement() === this.appConfig.editorUndoBar.undoButton)) {
+ this.editorUndoBar.hide();
+ }
+ if (this.overlayManager.active) {
+ return;
+ }
+ const {
+ eventBus,
+ pdfViewer
+ } = this;
+ const isViewerInPresentationMode = pdfViewer.isInPresentationMode;
+ let handled = false,
+ ensureViewerFocused = false;
+ const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
+ if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
+ switch (evt.keyCode) {
+ case 70:
+ if (!this.supportsIntegratedFind && !evt.shiftKey) {
+ this.findBar?.open();
+ handled = true;
+ }
+ break;
+ case 71:
+ if (!this.supportsIntegratedFind) {
+ const {
+ state
+ } = this.findController;
+ if (state) {
+ const newState = {
+ source: window,
+ type: "again",
+ findPrevious: cmd === 5 || cmd === 12
+ };
+ eventBus.dispatch("find", {
+ ...state,
+ ...newState
+ });
+ }
+ handled = true;
+ }
+ break;
+ case 61:
+ case 107:
+ case 187:
+ case 171:
+ this.zoomIn();
+ handled = true;
+ break;
+ case 173:
+ case 109:
+ case 189:
+ this.zoomOut();
+ handled = true;
+ break;
+ case 48:
+ case 96:
+ if (!isViewerInPresentationMode) {
+ setTimeout(() => {
+ this.zoomReset();
+ });
+ handled = false;
+ }
+ break;
+ case 38:
+ if (isViewerInPresentationMode || this.page > 1) {
+ this.page = 1;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ case 40:
+ if (isViewerInPresentationMode || this.page < this.pagesCount) {
+ this.page = this.pagesCount;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ }
+ }
+ if (cmd === 1 || cmd === 8) {
+ switch (evt.keyCode) {
+ case 83:
+ eventBus.dispatch("download", {
+ source: window
+ });
+ handled = true;
+ break;
+ case 79:
+ {
+ eventBus.dispatch("openfile", {
+ source: window
+ });
+ handled = true;
+ }
+ break;
+ }
+ }
+ if (cmd === 3 || cmd === 10) {
+ switch (evt.keyCode) {
+ case 80:
+ this.requestPresentationMode();
+ handled = true;
+ this.externalServices.reportTelemetry({
+ type: "buttons",
+ data: {
+ id: "presentationModeKeyboard"
+ }
+ });
+ break;
+ case 71:
+ if (this.appConfig.toolbar) {
+ this.appConfig.toolbar.pageNumber.select();
+ handled = true;
+ }
+ break;
+ }
+ }
+ if (handled) {
+ if (ensureViewerFocused && !isViewerInPresentationMode) {
+ pdfViewer.focus();
+ }
+ evt.preventDefault();
+ return;
+ }
+ const curElement = getActiveOrFocusedElement();
+ const curElementTagName = curElement?.tagName.toUpperCase();
+ if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElementTagName === "BUTTON" && evt.keyCode === 32 || curElement?.isContentEditable) {
+ if (evt.keyCode !== 27) {
+ return;
+ }
+ }
+ if (cmd === 0) {
+ let turnPage = 0,
+ turnOnlyIfPageFit = false;
+ switch (evt.keyCode) {
+ case 38:
+ if (this.supportsCaretBrowsingMode) {
+ this.moveCaret(true, false);
+ handled = true;
+ break;
+ }
+ case 33:
+ if (pdfViewer.isVerticalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = -1;
+ break;
+ case 8:
+ if (!isViewerInPresentationMode) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = -1;
+ break;
+ case 37:
+ if (this.supportsCaretBrowsingMode) {
+ return;
+ }
+ if (pdfViewer.isHorizontalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ case 75:
+ case 80:
+ turnPage = -1;
+ break;
+ case 27:
+ if (this.secondaryToolbar?.isOpen) {
+ this.secondaryToolbar.close();
+ handled = true;
+ }
+ if (!this.supportsIntegratedFind && this.findBar?.opened) {
+ this.findBar.close();
+ handled = true;
+ }
+ break;
+ case 40:
+ if (this.supportsCaretBrowsingMode) {
+ this.moveCaret(false, false);
+ handled = true;
+ break;
+ }
+ case 34:
+ if (pdfViewer.isVerticalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = 1;
+ break;
+ case 32:
+ if (!isViewerInPresentationMode) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = 1;
+ break;
+ case 39:
+ if (this.supportsCaretBrowsingMode) {
+ return;
+ }
+ if (pdfViewer.isHorizontalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ case 74:
+ case 78:
+ turnPage = 1;
+ break;
+ case 36:
+ if (isViewerInPresentationMode || this.page > 1) {
+ this.page = 1;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ case 35:
+ if (isViewerInPresentationMode || this.page < this.pagesCount) {
+ this.page = this.pagesCount;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ case 83:
+ this.pdfCursorTools?.switchTool(CursorTool.SELECT);
+ break;
+ case 72:
+ this.pdfCursorTools?.switchTool(CursorTool.HAND);
+ break;
+ case 82:
+ this.rotatePages(90);
+ break;
+ case 115:
+ this.pdfSidebar?.toggle();
+ break;
+ }
+ if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")) {
+ if (turnPage > 0) {
+ pdfViewer.nextPage();
+ } else {
+ pdfViewer.previousPage();
+ }
+ handled = true;
+ }
+ }
+ if (cmd === 4) {
+ switch (evt.keyCode) {
+ case 32:
+ if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== "page-fit") {
+ break;
+ }
+ pdfViewer.previousPage();
+ handled = true;
+ break;
+ case 38:
+ this.moveCaret(true, true);
+ handled = true;
+ break;
+ case 40:
+ this.moveCaret(false, true);
+ handled = true;
+ break;
+ case 82:
+ this.rotatePages(-90);
+ break;
+ }
+ }
+ if (!handled && !isViewerInPresentationMode) {
+ if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== "BUTTON") {
+ ensureViewerFocused = true;
+ }
+ }
+ if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
+ pdfViewer.focus();
+ }
+ if (handled) {
+ evt.preventDefault();
+ }
+}
+function beforeUnload(evt) {
+ evt.preventDefault();
+ evt.returnValue = "";
+ return false;
+}
+
+;// ./web/viewer.js
+
+
+
+
+const AppConstants = {
+ LinkTarget: LinkTarget,
+ RenderingStates: RenderingStates,
+ ScrollMode: ScrollMode,
+ SpreadMode: SpreadMode
+};
+window.PDFViewerApplication = PDFViewerApplication;
+window.PDFViewerApplicationConstants = AppConstants;
+window.PDFViewerApplicationOptions = AppOptions;
+function getViewerConfiguration() {
+ return {
+ appContainer: document.body,
+ principalContainer: document.getElementById("mainContainer"),
+ mainContainer: document.getElementById("viewerContainer"),
+ viewerContainer: document.getElementById("viewer"),
+ viewerAlert: document.getElementById("viewer-alert"),
+ toolbar: {
+ container: document.getElementById("toolbarContainer"),
+ numPages: document.getElementById("numPages"),
+ pageNumber: document.getElementById("pageNumber"),
+ scaleSelect: document.getElementById("scaleSelect"),
+ customScaleOption: document.getElementById("customScaleOption"),
+ previous: document.getElementById("previous"),
+ next: document.getElementById("next"),
+ zoomIn: document.getElementById("zoomInButton"),
+ zoomOut: document.getElementById("zoomOutButton"),
+ print: document.getElementById("printButton"),
+ editorCommentButton: document.getElementById("editorCommentButton"),
+ editorCommentParamsToolbar: document.getElementById("editorCommentParamsToolbar"),
+ editorFreeTextButton: document.getElementById("editorFreeTextButton"),
+ editorFreeTextParamsToolbar: document.getElementById("editorFreeTextParamsToolbar"),
+ editorHighlightButton: document.getElementById("editorHighlightButton"),
+ editorHighlightParamsToolbar: document.getElementById("editorHighlightParamsToolbar"),
+ editorHighlightColorPicker: document.getElementById("editorHighlightColorPicker"),
+ editorInkButton: document.getElementById("editorInkButton"),
+ editorInkParamsToolbar: document.getElementById("editorInkParamsToolbar"),
+ editorStampButton: document.getElementById("editorStampButton"),
+ editorStampParamsToolbar: document.getElementById("editorStampParamsToolbar"),
+ editorSignatureButton: document.getElementById("editorSignatureButton"),
+ editorSignatureParamsToolbar: document.getElementById("editorSignatureParamsToolbar"),
+ download: document.getElementById("downloadButton")
+ },
+ secondaryToolbar: {
+ toolbar: document.getElementById("secondaryToolbar"),
+ toggleButton: document.getElementById("secondaryToolbarToggleButton"),
+ presentationModeButton: document.getElementById("presentationMode"),
+ openFileButton: document.getElementById("secondaryOpenFile"),
+ printButton: document.getElementById("secondaryPrint"),
+ downloadButton: document.getElementById("secondaryDownload"),
+ viewBookmarkButton: document.getElementById("viewBookmark"),
+ firstPageButton: document.getElementById("firstPage"),
+ lastPageButton: document.getElementById("lastPage"),
+ pageRotateCwButton: document.getElementById("pageRotateCw"),
+ pageRotateCcwButton: document.getElementById("pageRotateCcw"),
+ cursorSelectToolButton: document.getElementById("cursorSelectTool"),
+ cursorHandToolButton: document.getElementById("cursorHandTool"),
+ scrollPageButton: document.getElementById("scrollPage"),
+ scrollVerticalButton: document.getElementById("scrollVertical"),
+ scrollHorizontalButton: document.getElementById("scrollHorizontal"),
+ scrollWrappedButton: document.getElementById("scrollWrapped"),
+ spreadNoneButton: document.getElementById("spreadNone"),
+ spreadOddButton: document.getElementById("spreadOdd"),
+ spreadEvenButton: document.getElementById("spreadEven"),
+ imageAltTextSettingsButton: document.getElementById("imageAltTextSettings"),
+ imageAltTextSettingsSeparator: document.getElementById("imageAltTextSettingsSeparator"),
+ documentPropertiesButton: document.getElementById("documentProperties")
+ },
+ sidebar: {
+ outerContainer: document.getElementById("outerContainer"),
+ sidebarContainer: document.getElementById("sidebarContainer"),
+ toggleButton: document.getElementById("sidebarToggleButton"),
+ resizer: document.getElementById("sidebarResizer"),
+ thumbnailButton: document.getElementById("viewThumbnail"),
+ outlineButton: document.getElementById("viewOutline"),
+ attachmentsButton: document.getElementById("viewAttachments"),
+ layersButton: document.getElementById("viewLayers"),
+ thumbnailView: document.getElementById("thumbnailView"),
+ outlineView: document.getElementById("outlineView"),
+ attachmentsView: document.getElementById("attachmentsView"),
+ layersView: document.getElementById("layersView"),
+ currentOutlineItemButton: document.getElementById("currentOutlineItem")
+ },
+ findBar: {
+ bar: document.getElementById("findbar"),
+ toggleButton: document.getElementById("viewFindButton"),
+ findField: document.getElementById("findInput"),
+ highlightAllCheckbox: document.getElementById("findHighlightAll"),
+ caseSensitiveCheckbox: document.getElementById("findMatchCase"),
+ matchDiacriticsCheckbox: document.getElementById("findMatchDiacritics"),
+ entireWordCheckbox: document.getElementById("findEntireWord"),
+ findMsg: document.getElementById("findMsg"),
+ findResultsCount: document.getElementById("findResultsCount"),
+ findPreviousButton: document.getElementById("findPreviousButton"),
+ findNextButton: document.getElementById("findNextButton")
+ },
+ passwordOverlay: {
+ dialog: document.getElementById("passwordDialog"),
+ label: document.getElementById("passwordText"),
+ input: document.getElementById("password"),
+ submitButton: document.getElementById("passwordSubmit"),
+ cancelButton: document.getElementById("passwordCancel")
+ },
+ documentProperties: {
+ dialog: document.getElementById("documentPropertiesDialog"),
+ closeButton: document.getElementById("documentPropertiesClose"),
+ fields: {
+ fileName: document.getElementById("fileNameField"),
+ fileSize: document.getElementById("fileSizeField"),
+ title: document.getElementById("titleField"),
+ author: document.getElementById("authorField"),
+ subject: document.getElementById("subjectField"),
+ keywords: document.getElementById("keywordsField"),
+ creationDate: document.getElementById("creationDateField"),
+ modificationDate: document.getElementById("modificationDateField"),
+ creator: document.getElementById("creatorField"),
+ producer: document.getElementById("producerField"),
+ version: document.getElementById("versionField"),
+ pageCount: document.getElementById("pageCountField"),
+ pageSize: document.getElementById("pageSizeField"),
+ linearized: document.getElementById("linearizedField")
+ }
+ },
+ altTextDialog: {
+ dialog: document.getElementById("altTextDialog"),
+ optionDescription: document.getElementById("descriptionButton"),
+ optionDecorative: document.getElementById("decorativeButton"),
+ textarea: document.getElementById("descriptionTextarea"),
+ cancelButton: document.getElementById("altTextCancel"),
+ saveButton: document.getElementById("altTextSave")
+ },
+ newAltTextDialog: {
+ dialog: document.getElementById("newAltTextDialog"),
+ title: document.getElementById("newAltTextTitle"),
+ descriptionContainer: document.getElementById("newAltTextDescriptionContainer"),
+ textarea: document.getElementById("newAltTextDescriptionTextarea"),
+ disclaimer: document.getElementById("newAltTextDisclaimer"),
+ learnMore: document.getElementById("newAltTextLearnMore"),
+ imagePreview: document.getElementById("newAltTextImagePreview"),
+ createAutomatically: document.getElementById("newAltTextCreateAutomatically"),
+ createAutomaticallyButton: document.getElementById("newAltTextCreateAutomaticallyButton"),
+ downloadModel: document.getElementById("newAltTextDownloadModel"),
+ downloadModelDescription: document.getElementById("newAltTextDownloadModelDescription"),
+ error: document.getElementById("newAltTextError"),
+ errorCloseButton: document.getElementById("newAltTextCloseButton"),
+ cancelButton: document.getElementById("newAltTextCancel"),
+ notNowButton: document.getElementById("newAltTextNotNow"),
+ saveButton: document.getElementById("newAltTextSave")
+ },
+ altTextSettingsDialog: {
+ dialog: document.getElementById("altTextSettingsDialog"),
+ createModelButton: document.getElementById("createModelButton"),
+ aiModelSettings: document.getElementById("aiModelSettings"),
+ learnMore: document.getElementById("altTextSettingsLearnMore"),
+ deleteModelButton: document.getElementById("deleteModelButton"),
+ downloadModelButton: document.getElementById("downloadModelButton"),
+ showAltTextDialogButton: document.getElementById("showAltTextDialogButton"),
+ altTextSettingsCloseButton: document.getElementById("altTextSettingsCloseButton"),
+ closeButton: document.getElementById("altTextSettingsCloseButton")
+ },
+ addSignatureDialog: {
+ dialog: document.getElementById("addSignatureDialog"),
+ panels: document.getElementById("addSignatureActionContainer"),
+ typeButton: document.getElementById("addSignatureTypeButton"),
+ typeInput: document.getElementById("addSignatureTypeInput"),
+ drawButton: document.getElementById("addSignatureDrawButton"),
+ drawSVG: document.getElementById("addSignatureDraw"),
+ drawPlaceholder: document.getElementById("addSignatureDrawPlaceholder"),
+ drawThickness: document.getElementById("addSignatureDrawThickness"),
+ imageButton: document.getElementById("addSignatureImageButton"),
+ imageSVG: document.getElementById("addSignatureImage"),
+ imagePlaceholder: document.getElementById("addSignatureImagePlaceholder"),
+ imagePicker: document.getElementById("addSignatureFilePicker"),
+ imagePickerLink: document.getElementById("addSignatureImageBrowse"),
+ description: document.getElementById("addSignatureDescription"),
+ clearButton: document.getElementById("clearSignatureButton"),
+ saveContainer: document.getElementById("addSignatureSaveContainer"),
+ saveCheckbox: document.getElementById("addSignatureSaveCheckbox"),
+ errorBar: document.getElementById("addSignatureError"),
+ errorTitle: document.getElementById("addSignatureErrorTitle"),
+ errorDescription: document.getElementById("addSignatureErrorDescription"),
+ errorCloseButton: document.getElementById("addSignatureErrorCloseButton"),
+ cancelButton: document.getElementById("addSignatureCancelButton"),
+ addButton: document.getElementById("addSignatureAddButton")
+ },
+ editSignatureDialog: {
+ dialog: document.getElementById("editSignatureDescriptionDialog"),
+ description: document.getElementById("editSignatureDescription"),
+ editSignatureView: document.getElementById("editSignatureView"),
+ cancelButton: document.getElementById("editSignatureCancelButton"),
+ updateButton: document.getElementById("editSignatureUpdateButton")
+ },
+ annotationEditorParams: {
+ editorCommentsSidebar: document.getElementById("editorCommentsSidebar"),
+ editorCommentsSidebarCount: document.getElementById("editorCommentsSidebarCount"),
+ editorCommentsSidebarTitle: document.getElementById("editorCommentsSidebarTitle"),
+ editorCommentsSidebarCloseButton: document.getElementById("editorCommentsSidebarCloseButton"),
+ editorCommentsSidebarList: document.getElementById("editorCommentsSidebarList"),
+ editorCommentsSidebarResizer: document.getElementById("editorCommentsSidebarResizer"),
+ editorFreeTextFontSize: document.getElementById("editorFreeTextFontSize"),
+ editorFreeTextColor: document.getElementById("editorFreeTextColor"),
+ editorInkColor: document.getElementById("editorInkColor"),
+ editorInkThickness: document.getElementById("editorInkThickness"),
+ editorInkOpacity: document.getElementById("editorInkOpacity"),
+ editorStampAddImage: document.getElementById("editorStampAddImage"),
+ editorSignatureAddSignature: document.getElementById("editorSignatureAddSignature"),
+ editorFreeHighlightThickness: document.getElementById("editorFreeHighlightThickness"),
+ editorHighlightShowAll: document.getElementById("editorHighlightShowAll")
+ },
+ printContainer: document.getElementById("printContainer"),
+ editorUndoBar: {
+ container: document.getElementById("editorUndoBar"),
+ message: document.getElementById("editorUndoBarMessage"),
+ undoButton: document.getElementById("editorUndoBarUndoButton"),
+ closeButton: document.getElementById("editorUndoBarCloseButton")
+ },
+ editCommentDialog: {
+ dialog: document.getElementById("commentManagerDialog"),
+ toolbar: document.getElementById("commentManagerToolbar"),
+ title: document.getElementById("commentManagerTitle"),
+ textInput: document.getElementById("commentManagerTextInput"),
+ cancelButton: document.getElementById("commentManagerCancelButton"),
+ saveButton: document.getElementById("commentManagerSaveButton")
+ }
+ };
+}
+function webViewerLoad() {
+ const config = getViewerConfiguration();
+ const event = new CustomEvent("webviewerloaded", {
+ bubbles: true,
+ cancelable: true,
+ detail: {
+ source: window
+ }
+ });
+ try {
+ parent.document.dispatchEvent(event);
+ } catch (ex) {
+ console.error("webviewerloaded:", ex);
+ document.dispatchEvent(event);
+ }
+ PDFViewerApplication.run(config);
+}
+document.blockUnblockOnload?.(true);
+if (document.readyState === "interactive" || document.readyState === "complete") {
+ webViewerLoad();
+} else {
+ document.addEventListener("DOMContentLoaded", webViewerLoad, true);
+}
+
+export { PDFViewerApplication, AppConstants as PDFViewerApplicationConstants, AppOptions as PDFViewerApplicationOptions };
+
+//# sourceMappingURL=viewer.mjs.map
\ No newline at end of file
diff --git a/public/pdfjs-viewer/viewer.mjs.bak b/public/pdfjs-viewer/viewer.mjs.bak
new file mode 100644
index 00000000..51d76034
--- /dev/null
+++ b/public/pdfjs-viewer/viewer.mjs.bak
@@ -0,0 +1,18337 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * JavaScript code in this page
+ *
+ * Copyright 2024 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * JavaScript code in this page
+ */
+
+/**
+ * pdfjsVersion = 5.4.296
+ * pdfjsBuild = f56dc8601
+ */
+/******/ // The require scope
+/******/ var __webpack_require__ = {};
+/******/
+/************************************************************************/
+/******/ /* webpack/runtime/define property getters */
+/******/ (() => {
+/******/ // define getter functions for harmony exports
+/******/ __webpack_require__.d = (exports, definition) => {
+/******/ for(var key in definition) {
+/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
+/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
+/******/ }
+/******/ }
+/******/ };
+/******/ })();
+/******/
+/******/ /* webpack/runtime/hasOwnProperty shorthand */
+/******/ (() => {
+/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
+/******/ })();
+/******/
+/************************************************************************/
+var __webpack_exports__ = {};
+
+;// ./web/pdfjs.js
+const {
+ AbortException,
+ AnnotationEditorLayer,
+ AnnotationEditorParamsType,
+ AnnotationEditorType,
+ AnnotationEditorUIManager,
+ AnnotationLayer,
+ AnnotationMode,
+ AnnotationType,
+ applyOpacity,
+ build,
+ ColorPicker,
+ createValidAbsoluteUrl,
+ CSSConstants,
+ DOMSVGFactory,
+ DrawLayer,
+ FeatureTest,
+ fetchData,
+ findContrastColor,
+ getDocument,
+ getFilenameFromUrl,
+ getPdfFilenameFromUrl: pdfjs_getPdfFilenameFromUrl,
+ getRGB,
+ getUuid,
+ getXfaPageViewport,
+ GlobalWorkerOptions,
+ ImageKind,
+ InvalidPDFException,
+ isDataScheme,
+ isPdfFile,
+ isValidExplicitDest,
+ MathClamp,
+ noContextMenu,
+ normalizeUnicode,
+ OPS,
+ OutputScale,
+ PasswordResponses,
+ PDFDataRangeTransport,
+ PDFDateString,
+ PDFWorker,
+ PermissionFlag,
+ PixelsPerInch,
+ RenderingCancelledException,
+ renderRichText,
+ ResponseException,
+ setLayerDimensions,
+ shadow,
+ SignatureExtractor,
+ stopEvent,
+ SupportedImageMimeTypes,
+ TextLayer,
+ TouchManager,
+ updateUrlHash,
+ Util,
+ VerbosityLevel,
+ version,
+ XfaLayer
+} = globalThis.pdfjsLib;
+
+;// ./web/ui_utils.js
+
+const DEFAULT_SCALE_VALUE = "auto";
+const DEFAULT_SCALE = 1.0;
+const DEFAULT_SCALE_DELTA = 1.1;
+const MIN_SCALE = 0.1;
+const MAX_SCALE = 10.0;
+const UNKNOWN_SCALE = 0;
+const MAX_AUTO_SCALE = 1.25;
+const SCROLLBAR_PADDING = 40;
+const VERTICAL_PADDING = 5;
+const RenderingStates = {
+ INITIAL: 0,
+ RUNNING: 1,
+ PAUSED: 2,
+ FINISHED: 3
+};
+const PresentationModeState = {
+ UNKNOWN: 0,
+ NORMAL: 1,
+ CHANGING: 2,
+ FULLSCREEN: 3
+};
+const SidebarView = {
+ UNKNOWN: -1,
+ NONE: 0,
+ THUMBS: 1,
+ OUTLINE: 2,
+ ATTACHMENTS: 3,
+ LAYERS: 4
+};
+const TextLayerMode = {
+ DISABLE: 0,
+ ENABLE: 1,
+ ENABLE_PERMISSIONS: 2
+};
+const ScrollMode = {
+ UNKNOWN: -1,
+ VERTICAL: 0,
+ HORIZONTAL: 1,
+ WRAPPED: 2,
+ PAGE: 3
+};
+const SpreadMode = {
+ UNKNOWN: -1,
+ NONE: 0,
+ ODD: 1,
+ EVEN: 2
+};
+const CursorTool = {
+ SELECT: 0,
+ HAND: 1,
+ ZOOM: 2
+};
+const AutoPrintRegExp = /\bprint\s*\(/;
+function scrollIntoView(element, spot, scrollMatches = false) {
+ let parent = element.offsetParent;
+ if (!parent) {
+ console.error("offsetParent is not set -- cannot scroll");
+ return;
+ }
+ let offsetY = element.offsetTop + element.clientTop;
+ let offsetX = element.offsetLeft + element.clientLeft;
+ while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || scrollMatches && (parent.classList.contains("markedContent") || getComputedStyle(parent).overflow === "hidden")) {
+ offsetY += parent.offsetTop;
+ offsetX += parent.offsetLeft;
+ parent = parent.offsetParent;
+ if (!parent) {
+ return;
+ }
+ }
+ if (spot) {
+ if (spot.top !== undefined) {
+ offsetY += spot.top;
+ }
+ if (spot.left !== undefined) {
+ if (scrollMatches) {
+ const elementWidth = element.getBoundingClientRect().width;
+ const padding = MathClamp((parent.clientWidth - elementWidth) / 2, 20, 400);
+ offsetX += spot.left - padding;
+ } else {
+ offsetX += spot.left;
+ }
+ parent.scrollLeft = offsetX;
+ }
+ }
+ parent.scrollTop = offsetY;
+}
+function watchScroll(viewAreaElement, callback, abortSignal = undefined) {
+ const debounceScroll = function (evt) {
+ if (rAF) {
+ return;
+ }
+ rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
+ rAF = null;
+ const currentX = viewAreaElement.scrollLeft;
+ const lastX = state.lastX;
+ if (currentX !== lastX) {
+ state.right = currentX > lastX;
+ }
+ state.lastX = currentX;
+ const currentY = viewAreaElement.scrollTop;
+ const lastY = state.lastY;
+ if (currentY !== lastY) {
+ state.down = currentY > lastY;
+ }
+ state.lastY = currentY;
+ callback(state);
+ });
+ };
+ const state = {
+ right: true,
+ down: true,
+ lastX: viewAreaElement.scrollLeft,
+ lastY: viewAreaElement.scrollTop,
+ _eventHandler: debounceScroll
+ };
+ let rAF = null;
+ viewAreaElement.addEventListener("scroll", debounceScroll, {
+ useCapture: true,
+ signal: abortSignal
+ });
+ abortSignal?.addEventListener("abort", () => window.cancelAnimationFrame(rAF), {
+ once: true
+ });
+ return state;
+}
+function parseQueryString(query) {
+ const params = new Map();
+ for (const [key, value] of new URLSearchParams(query)) {
+ params.set(key.toLowerCase(), value);
+ }
+ return params;
+}
+const InvisibleCharsRegExp = /[\x00-\x1F]/g;
+function removeNullCharacters(str, replaceInvisible = false) {
+ if (!InvisibleCharsRegExp.test(str)) {
+ return str;
+ }
+ if (replaceInvisible) {
+ return str.replaceAll(InvisibleCharsRegExp, m => m === "\x00" ? "" : " ");
+ }
+ return str.replaceAll("\x00", "");
+}
+function binarySearchFirstItem(items, condition, start = 0) {
+ let minIndex = start;
+ let maxIndex = items.length - 1;
+ if (maxIndex < 0 || !condition(items[maxIndex])) {
+ return items.length;
+ }
+ if (condition(items[minIndex])) {
+ return minIndex;
+ }
+ while (minIndex < maxIndex) {
+ const currentIndex = minIndex + maxIndex >> 1;
+ const currentItem = items[currentIndex];
+ if (condition(currentItem)) {
+ maxIndex = currentIndex;
+ } else {
+ minIndex = currentIndex + 1;
+ }
+ }
+ return minIndex;
+}
+function approximateFraction(x) {
+ if (Math.floor(x) === x) {
+ return [x, 1];
+ }
+ const xinv = 1 / x;
+ const limit = 8;
+ if (xinv > limit) {
+ return [1, limit];
+ } else if (Math.floor(xinv) === xinv) {
+ return [1, xinv];
+ }
+ const x_ = x > 1 ? xinv : x;
+ let a = 0,
+ b = 1,
+ c = 1,
+ d = 1;
+ while (true) {
+ const p = a + c,
+ q = b + d;
+ if (q > limit) {
+ break;
+ }
+ if (x_ <= p / q) {
+ c = p;
+ d = q;
+ } else {
+ a = p;
+ b = q;
+ }
+ }
+ let result;
+ if (x_ - a / b < c / d - x_) {
+ result = x_ === x ? [a, b] : [b, a];
+ } else {
+ result = x_ === x ? [c, d] : [d, c];
+ }
+ return result;
+}
+function floorToDivide(x, div) {
+ return x - x % div;
+}
+function getPageSizeInches({
+ view,
+ userUnit,
+ rotate
+}) {
+ const [x1, y1, x2, y2] = view;
+ const changeOrientation = rotate % 180 !== 0;
+ const width = (x2 - x1) / 72 * userUnit;
+ const height = (y2 - y1) / 72 * userUnit;
+ return {
+ width: changeOrientation ? height : width,
+ height: changeOrientation ? width : height
+ };
+}
+function backtrackBeforeAllVisibleElements(index, views, top) {
+ if (index < 2) {
+ return index;
+ }
+ let elt = views[index].div;
+ let pageTop = elt.offsetTop + elt.clientTop;
+ if (pageTop >= top) {
+ elt = views[index - 1].div;
+ pageTop = elt.offsetTop + elt.clientTop;
+ }
+ for (let i = index - 2; i >= 0; --i) {
+ elt = views[i].div;
+ if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
+ break;
+ }
+ index = i;
+ }
+ return index;
+}
+function getVisibleElements({
+ scrollEl,
+ views,
+ sortByVisibility = false,
+ horizontal = false,
+ rtl = false
+}) {
+ const top = scrollEl.scrollTop,
+ bottom = top + scrollEl.clientHeight;
+ const left = scrollEl.scrollLeft,
+ right = left + scrollEl.clientWidth;
+ function isElementBottomAfterViewTop(view) {
+ const element = view.div;
+ const elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
+ return elementBottom > top;
+ }
+ function isElementNextAfterViewHorizontally(view) {
+ const element = view.div;
+ const elementLeft = element.offsetLeft + element.clientLeft;
+ const elementRight = elementLeft + element.clientWidth;
+ return rtl ? elementLeft < right : elementRight > left;
+ }
+ const visible = [],
+ ids = new Set(),
+ numViews = views.length;
+ let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop);
+ if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
+ firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
+ }
+ let lastEdge = horizontal ? right : -1;
+ for (let i = firstVisibleElementInd; i < numViews; i++) {
+ const view = views[i],
+ element = view.div;
+ const currentWidth = element.offsetLeft + element.clientLeft;
+ const currentHeight = element.offsetTop + element.clientTop;
+ const viewWidth = element.clientWidth,
+ viewHeight = element.clientHeight;
+ const viewRight = currentWidth + viewWidth;
+ const viewBottom = currentHeight + viewHeight;
+ if (lastEdge === -1) {
+ if (viewBottom >= bottom) {
+ lastEdge = viewBottom;
+ }
+ } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
+ break;
+ }
+ if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
+ continue;
+ }
+ const minY = Math.max(0, top - currentHeight);
+ const minX = Math.max(0, left - currentWidth);
+ const hiddenHeight = minY + Math.max(0, viewBottom - bottom);
+ const hiddenWidth = minX + Math.max(0, viewRight - right);
+ const fractionHeight = (viewHeight - hiddenHeight) / viewHeight,
+ fractionWidth = (viewWidth - hiddenWidth) / viewWidth;
+ const percent = fractionHeight * fractionWidth * 100 | 0;
+ visible.push({
+ id: view.id,
+ x: currentWidth,
+ y: currentHeight,
+ visibleArea: percent === 100 ? null : {
+ minX,
+ minY,
+ maxX: Math.min(viewRight, right) - currentWidth,
+ maxY: Math.min(viewBottom, bottom) - currentHeight
+ },
+ view,
+ percent,
+ widthPercent: fractionWidth * 100 | 0
+ });
+ ids.add(view.id);
+ }
+ const first = visible[0],
+ last = visible.at(-1);
+ if (sortByVisibility) {
+ visible.sort(function (a, b) {
+ const pc = a.percent - b.percent;
+ if (Math.abs(pc) > 0.001) {
+ return -pc;
+ }
+ return a.id - b.id;
+ });
+ }
+ return {
+ first,
+ last,
+ views: visible,
+ ids
+ };
+}
+function normalizeWheelEventDirection(evt) {
+ let delta = Math.hypot(evt.deltaX, evt.deltaY);
+ const angle = Math.atan2(evt.deltaY, evt.deltaX);
+ if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
+ delta = -delta;
+ }
+ return delta;
+}
+function normalizeWheelEventDelta(evt) {
+ const deltaMode = evt.deltaMode;
+ let delta = normalizeWheelEventDirection(evt);
+ const MOUSE_PIXELS_PER_LINE = 30;
+ const MOUSE_LINES_PER_PAGE = 30;
+ if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
+ delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
+ } else if (deltaMode === WheelEvent.DOM_DELTA_LINE) {
+ delta /= MOUSE_LINES_PER_PAGE;
+ }
+ return delta;
+}
+function isValidRotation(angle) {
+ return Number.isInteger(angle) && angle % 90 === 0;
+}
+function isValidScrollMode(mode) {
+ return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
+}
+function isValidSpreadMode(mode) {
+ return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
+}
+function isPortraitOrientation(size) {
+ return size.width <= size.height;
+}
+const animationStarted = new Promise(function (resolve) {
+ window.requestAnimationFrame(resolve);
+});
+const docStyle = document.documentElement.style;
+class ProgressBar {
+ #classList = null;
+ #disableAutoFetchTimeout = null;
+ #percent = 0;
+ #style = null;
+ #visible = true;
+ constructor(bar) {
+ this.#classList = bar.classList;
+ this.#style = bar.style;
+ }
+ get percent() {
+ return this.#percent;
+ }
+ set percent(val) {
+ this.#percent = MathClamp(val, 0, 100);
+ if (isNaN(val)) {
+ this.#classList.add("indeterminate");
+ return;
+ }
+ this.#classList.remove("indeterminate");
+ this.#style.setProperty("--progressBar-percent", `${this.#percent}%`);
+ }
+ setWidth(viewer) {
+ if (!viewer) {
+ return;
+ }
+ const container = viewer.parentNode;
+ const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
+ if (scrollbarWidth > 0) {
+ this.#style.setProperty("--progressBar-end-offset", `${scrollbarWidth}px`);
+ }
+ }
+ setDisableAutoFetch(delay = 5000) {
+ if (this.#percent === 100 || isNaN(this.#percent)) {
+ return;
+ }
+ if (this.#disableAutoFetchTimeout) {
+ clearTimeout(this.#disableAutoFetchTimeout);
+ }
+ this.show();
+ this.#disableAutoFetchTimeout = setTimeout(() => {
+ this.#disableAutoFetchTimeout = null;
+ this.hide();
+ }, delay);
+ }
+ hide() {
+ if (!this.#visible) {
+ return;
+ }
+ this.#visible = false;
+ this.#classList.add("hidden");
+ }
+ show() {
+ if (this.#visible) {
+ return;
+ }
+ this.#visible = true;
+ this.#classList.remove("hidden");
+ }
+}
+function getActiveOrFocusedElement() {
+ let curRoot = document;
+ let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
+ while (curActiveOrFocused?.shadowRoot) {
+ curRoot = curActiveOrFocused.shadowRoot;
+ curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
+ }
+ return curActiveOrFocused;
+}
+function apiPageLayoutToViewerModes(layout) {
+ let scrollMode = ScrollMode.VERTICAL,
+ spreadMode = SpreadMode.NONE;
+ switch (layout) {
+ case "SinglePage":
+ scrollMode = ScrollMode.PAGE;
+ break;
+ case "OneColumn":
+ break;
+ case "TwoPageLeft":
+ scrollMode = ScrollMode.PAGE;
+ case "TwoColumnLeft":
+ spreadMode = SpreadMode.ODD;
+ break;
+ case "TwoPageRight":
+ scrollMode = ScrollMode.PAGE;
+ case "TwoColumnRight":
+ spreadMode = SpreadMode.EVEN;
+ break;
+ }
+ return {
+ scrollMode,
+ spreadMode
+ };
+}
+function apiPageModeToSidebarView(mode) {
+ switch (mode) {
+ case "UseNone":
+ return SidebarView.NONE;
+ case "UseThumbs":
+ return SidebarView.THUMBS;
+ case "UseOutlines":
+ return SidebarView.OUTLINE;
+ case "UseAttachments":
+ return SidebarView.ATTACHMENTS;
+ case "UseOC":
+ return SidebarView.LAYERS;
+ }
+ return SidebarView.NONE;
+}
+function toggleCheckedBtn(button, toggle, view = null) {
+ button.classList.toggle("toggled", toggle);
+ button.setAttribute("aria-checked", toggle);
+ view?.classList.toggle("hidden", !toggle);
+}
+function toggleExpandedBtn(button, toggle, view = null) {
+ button.classList.toggle("toggled", toggle);
+ button.setAttribute("aria-expanded", toggle);
+ view?.classList.toggle("hidden", !toggle);
+}
+const calcRound = function () {
+ const e = document.createElement("div");
+ e.style.width = "round(down, calc(1.6666666666666665 * 792px), 1px)";
+ return e.style.width === "calc(1320px)" ? Math.fround : x => x;
+}();
+
+;// ./web/app_options.js
+{
+ var compatParams = new Map();
+ const {
+ maxTouchPoints,
+ platform,
+ userAgent
+ } = navigator;
+ const isAndroid = /Android/.test(userAgent);
+ const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
+ (function () {
+ if (isIOS || isAndroid) {
+ compatParams.set("maxCanvasPixels", 5242880);
+ }
+ })();
+ (function () {
+ if (isAndroid) {
+ compatParams.set("useSystemFonts", false);
+ }
+ })();
+}
+const OptionKind = {
+ BROWSER: 0x01,
+ VIEWER: 0x02,
+ API: 0x04,
+ WORKER: 0x08,
+ EVENT_DISPATCH: 0x10,
+ PREFERENCE: 0x80
+};
+const Type = {
+ BOOLEAN: 0x01,
+ NUMBER: 0x02,
+ OBJECT: 0x04,
+ STRING: 0x08,
+ UNDEFINED: 0x10
+};
+const defaultOptions = {
+ allowedGlobalEvents: {
+ value: null,
+ kind: OptionKind.BROWSER
+ },
+ canvasMaxAreaInBytes: {
+ value: -1,
+ kind: OptionKind.BROWSER + OptionKind.API
+ },
+ isInAutomation: {
+ value: false,
+ kind: OptionKind.BROWSER
+ },
+ localeProperties: {
+ value: {
+ lang: navigator.language || "en-US"
+ },
+ kind: OptionKind.BROWSER
+ },
+ maxCanvasDim: {
+ value: 32767,
+ kind: OptionKind.BROWSER + OptionKind.VIEWER
+ },
+ nimbusDataStr: {
+ value: "",
+ kind: OptionKind.BROWSER
+ },
+ supportsCaretBrowsingMode: {
+ value: false,
+ kind: OptionKind.BROWSER
+ },
+ supportsDocumentFonts: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsIntegratedFind: {
+ value: false,
+ kind: OptionKind.BROWSER
+ },
+ supportsMouseWheelZoomCtrlKey: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsMouseWheelZoomMetaKey: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsPinchToZoom: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsPrinting: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ toolbarDensity: {
+ value: 0,
+ kind: OptionKind.BROWSER + OptionKind.EVENT_DISPATCH
+ },
+ altTextLearnMoreUrl: {
+ value: "",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ annotationEditorMode: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ annotationMode: {
+ value: 2,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ capCanvasAreaFactor: {
+ value: 200,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ commentLearnMoreUrl: {
+ value: "",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ cursorToolOnLoad: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ debuggerSrc: {
+ value: "./debugger.mjs",
+ kind: OptionKind.VIEWER
+ },
+ defaultZoomDelay: {
+ value: 400,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ defaultZoomValue: {
+ value: "",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ disableHistory: {
+ value: false,
+ kind: OptionKind.VIEWER
+ },
+ disablePageLabels: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableAltText: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableAltTextModelDownload: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE + OptionKind.EVENT_DISPATCH
+ },
+ enableAutoLinking: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableComment: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableDetailCanvas: {
+ value: true,
+ kind: OptionKind.VIEWER
+ },
+ enableGuessAltText: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE + OptionKind.EVENT_DISPATCH
+ },
+ enableHighlightFloatingButton: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableNewAltTextWhenAddingImage: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableOptimizedPartialRendering: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enablePermissions: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enablePrintAutoRotate: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableScripting: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableSignatureEditor: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableUpdatedAddImage: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ externalLinkRel: {
+ value: "noopener noreferrer nofollow",
+ kind: OptionKind.VIEWER
+ },
+ externalLinkTarget: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ highlightEditorColors: {
+ value: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F," + "yellow_HCM=#FFFFCC,green_HCM=#53FFBC,blue_HCM=#80EBFF,pink_HCM=#F6B8FF,red_HCM=#C50043",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ historyUpdateUrl: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ ignoreDestinationZoom: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ imageResourcesPath: {
+ value: "./images/",
+ kind: OptionKind.VIEWER
+ },
+ maxCanvasPixels: {
+ value: 2 ** 25,
+ kind: OptionKind.VIEWER
+ },
+ minDurationToUpdateCanvas: {
+ value: 500,
+ kind: OptionKind.VIEWER
+ },
+ forcePageColors: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ pageColorsBackground: {
+ value: "Canvas",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ pageColorsForeground: {
+ value: "CanvasText",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ pdfBugEnabled: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ printResolution: {
+ value: 150,
+ kind: OptionKind.VIEWER
+ },
+ sidebarViewOnLoad: {
+ value: -1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ scrollModeOnLoad: {
+ value: -1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ spreadModeOnLoad: {
+ value: -1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ textLayerMode: {
+ value: 1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ viewerCssTheme: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ viewOnLoad: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ cMapPacked: {
+ value: true,
+ kind: OptionKind.API
+ },
+ cMapUrl: {
+ value: "../web/cmaps/",
+ kind: OptionKind.API
+ },
+ disableAutoFetch: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ disableFontFace: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ disableRange: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ disableStream: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ docBaseUrl: {
+ value: "",
+ kind: OptionKind.API
+ },
+ enableHWA: {
+ value: true,
+ kind: OptionKind.API + OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableXfa: {
+ value: true,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ fontExtraProperties: {
+ value: false,
+ kind: OptionKind.API
+ },
+ iccUrl: {
+ value: "../web/iccs/",
+ kind: OptionKind.API
+ },
+ isEvalSupported: {
+ value: true,
+ kind: OptionKind.API
+ },
+ isOffscreenCanvasSupported: {
+ value: true,
+ kind: OptionKind.API
+ },
+ maxImageSize: {
+ value: -1,
+ kind: OptionKind.API
+ },
+ pdfBug: {
+ value: false,
+ kind: OptionKind.API
+ },
+ standardFontDataUrl: {
+ value: "../web/standard_fonts/",
+ kind: OptionKind.API
+ },
+ useSystemFonts: {
+ value: undefined,
+ kind: OptionKind.API,
+ type: Type.BOOLEAN + Type.UNDEFINED
+ },
+ verbosity: {
+ value: 1,
+ kind: OptionKind.API
+ },
+ wasmUrl: {
+ value: "../web/wasm/",
+ kind: OptionKind.API
+ },
+ workerPort: {
+ value: null,
+ kind: OptionKind.WORKER
+ },
+ workerSrc: {
+ value: "pdf.worker.mjs",
+ kind: OptionKind.WORKER
+ }
+};
+{
+ defaultOptions.defaultUrl = {
+ value: "compressed.tracemonkey-pldi-09.pdf",
+ kind: OptionKind.VIEWER
+ };
+ defaultOptions.sandboxBundleSrc = {
+ value: "../build/pdf.sandbox.mjs",
+ kind: OptionKind.VIEWER
+ };
+ defaultOptions.enableFakeMLManager = {
+ value: true,
+ kind: OptionKind.VIEWER
+ };
+}
+{
+ defaultOptions.disablePreferences = {
+ value: false,
+ kind: OptionKind.VIEWER
+ };
+}
+class AppOptions {
+ static eventBus;
+ static #opts = new Map();
+ static {
+ for (const name in defaultOptions) {
+ this.#opts.set(name, defaultOptions[name].value);
+ }
+ for (const [name, value] of compatParams) {
+ this.#opts.set(name, value);
+ }
+ this._hasInvokedSet = false;
+ this._checkDisablePreferences = () => {
+ if (this.get("disablePreferences")) {
+ return true;
+ }
+ if (this._hasInvokedSet) {
+ console.warn("The Preferences may override manually set AppOptions; " + 'please use the "disablePreferences"-option to prevent that.');
+ }
+ return false;
+ };
+ }
+ static get(name) {
+ return this.#opts.get(name);
+ }
+ static getAll(kind = null, defaultOnly = false) {
+ const options = Object.create(null);
+ for (const name in defaultOptions) {
+ const defaultOpt = defaultOptions[name];
+ if (kind && !(kind & defaultOpt.kind)) {
+ continue;
+ }
+ options[name] = !defaultOnly ? this.#opts.get(name) : defaultOpt.value;
+ }
+ return options;
+ }
+ static set(name, value) {
+ this.setAll({
+ [name]: value
+ });
+ }
+ static setAll(options, prefs = false) {
+ this._hasInvokedSet ||= true;
+ let events;
+ for (const name in options) {
+ const defaultOpt = defaultOptions[name],
+ userOpt = options[name];
+ if (!defaultOpt || !(typeof userOpt === typeof defaultOpt.value || Type[(typeof userOpt).toUpperCase()] & defaultOpt.type)) {
+ continue;
+ }
+ const {
+ kind
+ } = defaultOpt;
+ if (prefs && !(kind & OptionKind.BROWSER || kind & OptionKind.PREFERENCE)) {
+ continue;
+ }
+ if (this.eventBus && kind & OptionKind.EVENT_DISPATCH) {
+ (events ||= new Map()).set(name, userOpt);
+ }
+ this.#opts.set(name, userOpt);
+ }
+ if (events) {
+ for (const [name, value] of events) {
+ this.eventBus.dispatch(name.toLowerCase(), {
+ source: this,
+ value
+ });
+ }
+ }
+ }
+}
+
+;// ./web/pdf_link_service.js
+
+
+const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
+const LinkTarget = {
+ NONE: 0,
+ SELF: 1,
+ BLANK: 2,
+ PARENT: 3,
+ TOP: 4
+};
+class PDFLinkService {
+ externalLinkEnabled = true;
+ constructor({
+ eventBus,
+ externalLinkTarget = null,
+ externalLinkRel = null,
+ ignoreDestinationZoom = false
+ } = {}) {
+ this.eventBus = eventBus;
+ this.externalLinkTarget = externalLinkTarget;
+ this.externalLinkRel = externalLinkRel;
+ this._ignoreDestinationZoom = ignoreDestinationZoom;
+ this.baseUrl = null;
+ this.pdfDocument = null;
+ this.pdfViewer = null;
+ this.pdfHistory = null;
+ }
+ setDocument(pdfDocument, baseUrl = null) {
+ this.baseUrl = baseUrl;
+ this.pdfDocument = pdfDocument;
+ }
+ setViewer(pdfViewer) {
+ this.pdfViewer = pdfViewer;
+ }
+ setHistory(pdfHistory) {
+ this.pdfHistory = pdfHistory;
+ }
+ get pagesCount() {
+ return this.pdfDocument ? this.pdfDocument.numPages : 0;
+ }
+ get page() {
+ return this.pdfDocument ? this.pdfViewer.currentPageNumber : 1;
+ }
+ set page(value) {
+ if (this.pdfDocument) {
+ this.pdfViewer.currentPageNumber = value;
+ }
+ }
+ get rotation() {
+ return this.pdfDocument ? this.pdfViewer.pagesRotation : 0;
+ }
+ set rotation(value) {
+ if (this.pdfDocument) {
+ this.pdfViewer.pagesRotation = value;
+ }
+ }
+ get isInPresentationMode() {
+ return this.pdfDocument ? this.pdfViewer.isInPresentationMode : false;
+ }
+ async goToDestination(dest) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ let namedDest, explicitDest, pageNumber;
+ if (typeof dest === "string") {
+ namedDest = dest;
+ explicitDest = await this.pdfDocument.getDestination(dest);
+ } else {
+ namedDest = null;
+ explicitDest = await dest;
+ }
+ if (!Array.isArray(explicitDest)) {
+ console.error(`goToDestination: "${explicitDest}" is not a valid destination array, for dest="${dest}".`);
+ return;
+ }
+ const [destRef] = explicitDest;
+ if (destRef && typeof destRef === "object") {
+ pageNumber = this.pdfDocument.cachedPageNumber(destRef);
+ if (!pageNumber) {
+ try {
+ pageNumber = (await this.pdfDocument.getPageIndex(destRef)) + 1;
+ } catch {
+ console.error(`goToDestination: "${destRef}" is not a valid page reference, for dest="${dest}".`);
+ return;
+ }
+ }
+ } else if (Number.isInteger(destRef)) {
+ pageNumber = destRef + 1;
+ }
+ if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
+ console.error(`goToDestination: "${pageNumber}" is not a valid page number, for dest="${dest}".`);
+ return;
+ }
+ if (this.pdfHistory) {
+ this.pdfHistory.pushCurrentPosition();
+ this.pdfHistory.push({
+ namedDest,
+ explicitDest,
+ pageNumber
+ });
+ }
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber,
+ destArray: explicitDest,
+ ignoreDestinationZoom: this._ignoreDestinationZoom
+ });
+ const ac = new AbortController();
+ this.eventBus._on("textlayerrendered", evt => {
+ if (evt.pageNumber === pageNumber) {
+ evt.source.textLayer.div.focus();
+ ac.abort();
+ }
+ }, {
+ signal: ac.signal
+ });
+ }
+ goToPage(val) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const pageNumber = typeof val === "string" && this.pdfViewer.pageLabelToPageNumber(val) || val | 0;
+ if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
+ console.error(`PDFLinkService.goToPage: "${val}" is not a valid page.`);
+ return;
+ }
+ if (this.pdfHistory) {
+ this.pdfHistory.pushCurrentPosition();
+ this.pdfHistory.pushPage(pageNumber);
+ }
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber
+ });
+ }
+ goToXY(pageNumber, x, y, options = {}) {
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber,
+ destArray: [null, {
+ name: "XYZ"
+ }, x, y],
+ ignoreDestinationZoom: true,
+ ...options
+ });
+ }
+ addLinkAttributes(link, url, newWindow = false) {
+ if (!url || typeof url !== "string") {
+ throw new Error('A valid "url" parameter must provided.');
+ }
+ const target = newWindow ? LinkTarget.BLANK : this.externalLinkTarget,
+ rel = this.externalLinkRel;
+ if (this.externalLinkEnabled) {
+ link.href = link.title = url;
+ } else {
+ link.href = "";
+ link.title = `Disabled: ${url}`;
+ link.onclick = () => false;
+ }
+ let targetStr = "";
+ switch (target) {
+ case LinkTarget.NONE:
+ break;
+ case LinkTarget.SELF:
+ targetStr = "_self";
+ break;
+ case LinkTarget.BLANK:
+ targetStr = "_blank";
+ break;
+ case LinkTarget.PARENT:
+ targetStr = "_parent";
+ break;
+ case LinkTarget.TOP:
+ targetStr = "_top";
+ break;
+ }
+ link.target = targetStr;
+ link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
+ }
+ getDestinationHash(dest) {
+ if (typeof dest === "string") {
+ if (dest.length > 0) {
+ return this.getAnchorUrl("#" + escape(dest));
+ }
+ } else if (Array.isArray(dest)) {
+ const str = JSON.stringify(dest);
+ if (str.length > 0) {
+ return this.getAnchorUrl("#" + escape(str));
+ }
+ }
+ return this.getAnchorUrl("");
+ }
+ getAnchorUrl(anchor) {
+ return this.baseUrl ? this.baseUrl + anchor : anchor;
+ }
+ setHash(hash) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ let pageNumber, dest;
+ if (hash.includes("=")) {
+ const params = parseQueryString(hash);
+ if (params.has("search")) {
+ const query = params.get("search").replaceAll('"', ""),
+ phrase = params.get("phrase") === "true";
+ this.eventBus.dispatch("findfromurlhash", {
+ source: this,
+ query: phrase ? query : query.match(/\S+/g)
+ });
+ }
+ if (params.has("page")) {
+ pageNumber = params.get("page") | 0 || 1;
+ }
+ if (params.has("zoom")) {
+ const zoomArgs = params.get("zoom").split(",");
+ const zoomArg = zoomArgs[0];
+ const zoomArgNumber = parseFloat(zoomArg);
+ if (!zoomArg.includes("Fit")) {
+ dest = [null, {
+ name: "XYZ"
+ }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
+ } else if (zoomArg === "Fit" || zoomArg === "FitB") {
+ dest = [null, {
+ name: zoomArg
+ }];
+ } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
+ dest = [null, {
+ name: zoomArg
+ }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
+ } else if (zoomArg === "FitR") {
+ if (zoomArgs.length !== 5) {
+ console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
+ } else {
+ dest = [null, {
+ name: zoomArg
+ }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
+ }
+ } else {
+ console.error(`PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`);
+ }
+ }
+ if (dest) {
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber: pageNumber || this.page,
+ destArray: dest,
+ allowNegativeOffset: true
+ });
+ } else if (pageNumber) {
+ this.page = pageNumber;
+ }
+ if (params.has("pagemode")) {
+ this.eventBus.dispatch("pagemode", {
+ source: this,
+ mode: params.get("pagemode")
+ });
+ }
+ if (params.has("nameddest")) {
+ this.goToDestination(params.get("nameddest"));
+ }
+ return;
+ }
+ dest = unescape(hash);
+ try {
+ dest = JSON.parse(dest);
+ if (!Array.isArray(dest)) {
+ dest = dest.toString();
+ }
+ } catch {}
+ if (typeof dest === "string" || isValidExplicitDest(dest)) {
+ this.goToDestination(dest);
+ return;
+ }
+ console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not a valid destination.`);
+ }
+ executeNamedAction(action) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ switch (action) {
+ case "GoBack":
+ this.pdfHistory?.back();
+ break;
+ case "GoForward":
+ this.pdfHistory?.forward();
+ break;
+ case "NextPage":
+ this.pdfViewer.nextPage();
+ break;
+ case "PrevPage":
+ this.pdfViewer.previousPage();
+ break;
+ case "LastPage":
+ this.page = this.pagesCount;
+ break;
+ case "FirstPage":
+ this.page = 1;
+ break;
+ default:
+ break;
+ }
+ this.eventBus.dispatch("namedaction", {
+ source: this,
+ action
+ });
+ }
+ async executeSetOCGState(action) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const pdfDocument = this.pdfDocument,
+ optionalContentConfig = await this.pdfViewer.optionalContentConfigPromise;
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ optionalContentConfig.setOCGState(action);
+ this.pdfViewer.optionalContentConfigPromise = Promise.resolve(optionalContentConfig);
+ }
+}
+class SimpleLinkService extends PDFLinkService {
+ setDocument(pdfDocument, baseUrl = null) {}
+}
+
+;// ./web/event_utils.js
+const WaitOnType = {
+ EVENT: "event",
+ TIMEOUT: "timeout"
+};
+async function waitOnEventOrTimeout({
+ target,
+ name,
+ delay = 0
+}) {
+ if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
+ throw new Error("waitOnEventOrTimeout - invalid parameters.");
+ }
+ const {
+ promise,
+ resolve
+ } = Promise.withResolvers();
+ const ac = new AbortController();
+ function handler(type) {
+ ac.abort();
+ clearTimeout(timeout);
+ resolve(type);
+ }
+ const evtMethod = target instanceof EventBus ? "_on" : "addEventListener";
+ target[evtMethod](name, handler.bind(null, WaitOnType.EVENT), {
+ signal: ac.signal
+ });
+ const timeout = setTimeout(handler.bind(null, WaitOnType.TIMEOUT), delay);
+ return promise;
+}
+class EventBus {
+ #listeners = Object.create(null);
+ on(eventName, listener, options = null) {
+ this._on(eventName, listener, {
+ external: true,
+ once: options?.once,
+ signal: options?.signal
+ });
+ }
+ off(eventName, listener, options = null) {
+ this._off(eventName, listener);
+ }
+ dispatch(eventName, data) {
+ const eventListeners = this.#listeners[eventName];
+ if (!eventListeners || eventListeners.length === 0) {
+ return;
+ }
+ let externalListeners;
+ for (const {
+ listener,
+ external,
+ once
+ } of eventListeners.slice(0)) {
+ if (once) {
+ this._off(eventName, listener);
+ }
+ if (external) {
+ (externalListeners ||= []).push(listener);
+ continue;
+ }
+ listener(data);
+ }
+ if (externalListeners) {
+ for (const listener of externalListeners) {
+ listener(data);
+ }
+ externalListeners = null;
+ }
+ }
+ _on(eventName, listener, options = null) {
+ let rmAbort = null;
+ if (options?.signal instanceof AbortSignal) {
+ const {
+ signal
+ } = options;
+ if (signal.aborted) {
+ console.error("Cannot use an `aborted` signal.");
+ return;
+ }
+ const onAbort = () => this._off(eventName, listener);
+ rmAbort = () => signal.removeEventListener("abort", onAbort);
+ signal.addEventListener("abort", onAbort);
+ }
+ const eventListeners = this.#listeners[eventName] ||= [];
+ eventListeners.push({
+ listener,
+ external: options?.external === true,
+ once: options?.once === true,
+ rmAbort
+ });
+ }
+ _off(eventName, listener, options = null) {
+ const eventListeners = this.#listeners[eventName];
+ if (!eventListeners) {
+ return;
+ }
+ for (let i = 0, ii = eventListeners.length; i < ii; i++) {
+ const evt = eventListeners[i];
+ if (evt.listener === listener) {
+ evt.rmAbort?.();
+ eventListeners.splice(i, 1);
+ return;
+ }
+ }
+ }
+}
+class FirefoxEventBus extends EventBus {
+ #externalServices;
+ #globalEventNames;
+ #isInAutomation;
+ constructor(globalEventNames, externalServices, isInAutomation) {
+ super();
+ this.#globalEventNames = globalEventNames;
+ this.#externalServices = externalServices;
+ this.#isInAutomation = isInAutomation;
+ }
+ dispatch(eventName, data) {
+ throw new Error("Not implemented: FirefoxEventBus.dispatch");
+ }
+}
+
+;// ./web/external_services.js
+class BaseExternalServices {
+ updateFindControlState(data) {}
+ updateFindMatchesCount(data) {}
+ initPassiveLoading() {}
+ reportTelemetry(data) {}
+ async createL10n() {
+ throw new Error("Not implemented: createL10n");
+ }
+ createScripting() {
+ throw new Error("Not implemented: createScripting");
+ }
+ createSignatureStorage() {
+ throw new Error("Not implemented: createSignatureStorage");
+ }
+ updateEditorStates(data) {
+ throw new Error("Not implemented: updateEditorStates");
+ }
+ dispatchGlobalEvent(_event) {}
+}
+
+;// ./web/preferences.js
+
+class BasePreferences {
+ #defaults = Object.freeze({
+ altTextLearnMoreUrl: "",
+ annotationEditorMode: 0,
+ annotationMode: 2,
+ capCanvasAreaFactor: 200,
+ commentLearnMoreUrl: "",
+ cursorToolOnLoad: 0,
+ defaultZoomDelay: 400,
+ defaultZoomValue: "",
+ disablePageLabels: false,
+ enableAltText: false,
+ enableAltTextModelDownload: true,
+ enableAutoLinking: true,
+ enableComment: false,
+ enableGuessAltText: true,
+ enableHighlightFloatingButton: false,
+ enableNewAltTextWhenAddingImage: true,
+ enableOptimizedPartialRendering: false,
+ enablePermissions: false,
+ enablePrintAutoRotate: true,
+ enableScripting: true,
+ enableSignatureEditor: false,
+ enableUpdatedAddImage: false,
+ externalLinkTarget: 0,
+ highlightEditorColors: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F,yellow_HCM=#FFFFCC,green_HCM=#53FFBC,blue_HCM=#80EBFF,pink_HCM=#F6B8FF,red_HCM=#C50043",
+ historyUpdateUrl: false,
+ ignoreDestinationZoom: false,
+ forcePageColors: false,
+ pageColorsBackground: "Canvas",
+ pageColorsForeground: "CanvasText",
+ pdfBugEnabled: false,
+ sidebarViewOnLoad: -1,
+ scrollModeOnLoad: -1,
+ spreadModeOnLoad: -1,
+ textLayerMode: 1,
+ viewerCssTheme: 0,
+ viewOnLoad: 0,
+ disableAutoFetch: false,
+ disableFontFace: false,
+ disableRange: false,
+ disableStream: false,
+ enableHWA: true,
+ enableXfa: true
+ });
+ #initializedPromise = null;
+ constructor() {
+ this.#initializedPromise = this._readFromStorage(this.#defaults).then(({
+ browserPrefs,
+ prefs
+ }) => {
+ if (AppOptions._checkDisablePreferences()) {
+ return;
+ }
+ AppOptions.setAll({
+ ...browserPrefs,
+ ...prefs
+ }, true);
+ });
+ }
+ async _writeToStorage(prefObj) {
+ throw new Error("Not implemented: _writeToStorage");
+ }
+ async _readFromStorage(prefObj) {
+ throw new Error("Not implemented: _readFromStorage");
+ }
+ async reset() {
+ await this.#initializedPromise;
+ AppOptions.setAll(this.#defaults, true);
+ await this._writeToStorage(this.#defaults);
+ }
+ async set(name, value) {
+ await this.#initializedPromise;
+ AppOptions.setAll({
+ [name]: value
+ }, true);
+ await this._writeToStorage(AppOptions.getAll(OptionKind.PREFERENCE));
+ }
+ async get(name) {
+ await this.#initializedPromise;
+ return AppOptions.get(name);
+ }
+ get initializedPromise() {
+ return this.#initializedPromise;
+ }
+}
+
+;// ./node_modules/@fluent/bundle/esm/types.js
+class FluentType {
+ constructor(value) {
+ this.value = value;
+ }
+ valueOf() {
+ return this.value;
+ }
+}
+class FluentNone extends FluentType {
+ constructor(value = "???") {
+ super(value);
+ }
+ toString(scope) {
+ return `{${this.value}}`;
+ }
+}
+class FluentNumber extends FluentType {
+ constructor(value, opts = {}) {
+ super(value);
+ this.opts = opts;
+ }
+ toString(scope) {
+ if (scope) {
+ try {
+ const nf = scope.memoizeIntlObject(Intl.NumberFormat, this.opts);
+ return nf.format(this.value);
+ } catch (err) {
+ scope.reportError(err);
+ }
+ }
+ return this.value.toString(10);
+ }
+}
+class FluentDateTime extends FluentType {
+ static supportsValue(value) {
+ if (typeof value === "number") return true;
+ if (value instanceof Date) return true;
+ if (value instanceof FluentType) return FluentDateTime.supportsValue(value.valueOf());
+ if ("Temporal" in globalThis) {
+ const _Temporal = globalThis.Temporal;
+ if (value instanceof _Temporal.Instant || value instanceof _Temporal.PlainDateTime || value instanceof _Temporal.PlainDate || value instanceof _Temporal.PlainMonthDay || value instanceof _Temporal.PlainTime || value instanceof _Temporal.PlainYearMonth) {
+ return true;
+ }
+ }
+ return false;
+ }
+ constructor(value, opts = {}) {
+ if (value instanceof FluentDateTime) {
+ opts = {
+ ...value.opts,
+ ...opts
+ };
+ value = value.value;
+ } else if (value instanceof FluentType) {
+ value = value.valueOf();
+ }
+ if (typeof value === "object" && "calendarId" in value && opts.calendar === undefined) {
+ opts = {
+ ...opts,
+ calendar: value.calendarId
+ };
+ }
+ super(value);
+ this.opts = opts;
+ }
+ [Symbol.toPrimitive](hint) {
+ return hint === "string" ? this.toString() : this.toNumber();
+ }
+ toNumber() {
+ const value = this.value;
+ if (typeof value === "number") return value;
+ if (value instanceof Date) return value.getTime();
+ if ("epochMilliseconds" in value) {
+ return value.epochMilliseconds;
+ }
+ if ("toZonedDateTime" in value) {
+ return value.toZonedDateTime("UTC").epochMilliseconds;
+ }
+ throw new TypeError("Unwrapping a non-number value as a number");
+ }
+ toString(scope) {
+ if (scope) {
+ try {
+ const dtf = scope.memoizeIntlObject(Intl.DateTimeFormat, this.opts);
+ return dtf.format(this.value);
+ } catch (err) {
+ scope.reportError(err);
+ }
+ }
+ if (typeof this.value === "number" || this.value instanceof Date) {
+ return new Date(this.value).toISOString();
+ }
+ return this.value.toString();
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/resolver.js
+
+const MAX_PLACEABLES = 100;
+const FSI = "\u2068";
+const PDI = "\u2069";
+function match(scope, selector, key) {
+ if (key === selector) {
+ return true;
+ }
+ if (key instanceof FluentNumber && selector instanceof FluentNumber && key.value === selector.value) {
+ return true;
+ }
+ if (selector instanceof FluentNumber && typeof key === "string") {
+ let category = scope.memoizeIntlObject(Intl.PluralRules, selector.opts).select(selector.value);
+ if (key === category) {
+ return true;
+ }
+ }
+ return false;
+}
+function getDefault(scope, variants, star) {
+ if (variants[star]) {
+ return resolvePattern(scope, variants[star].value);
+ }
+ scope.reportError(new RangeError("No default"));
+ return new FluentNone();
+}
+function getArguments(scope, args) {
+ const positional = [];
+ const named = Object.create(null);
+ for (const arg of args) {
+ if (arg.type === "narg") {
+ named[arg.name] = resolveExpression(scope, arg.value);
+ } else {
+ positional.push(resolveExpression(scope, arg));
+ }
+ }
+ return {
+ positional,
+ named
+ };
+}
+function resolveExpression(scope, expr) {
+ switch (expr.type) {
+ case "str":
+ return expr.value;
+ case "num":
+ return new FluentNumber(expr.value, {
+ minimumFractionDigits: expr.precision
+ });
+ case "var":
+ return resolveVariableReference(scope, expr);
+ case "mesg":
+ return resolveMessageReference(scope, expr);
+ case "term":
+ return resolveTermReference(scope, expr);
+ case "func":
+ return resolveFunctionReference(scope, expr);
+ case "select":
+ return resolveSelectExpression(scope, expr);
+ default:
+ return new FluentNone();
+ }
+}
+function resolveVariableReference(scope, {
+ name
+}) {
+ let arg;
+ if (scope.params) {
+ if (Object.prototype.hasOwnProperty.call(scope.params, name)) {
+ arg = scope.params[name];
+ } else {
+ return new FluentNone(`$${name}`);
+ }
+ } else if (scope.args && Object.prototype.hasOwnProperty.call(scope.args, name)) {
+ arg = scope.args[name];
+ } else {
+ scope.reportError(new ReferenceError(`Unknown variable: $${name}`));
+ return new FluentNone(`$${name}`);
+ }
+ if (arg instanceof FluentType) {
+ return arg;
+ }
+ switch (typeof arg) {
+ case "string":
+ return arg;
+ case "number":
+ return new FluentNumber(arg);
+ case "object":
+ if (FluentDateTime.supportsValue(arg)) {
+ return new FluentDateTime(arg);
+ }
+ default:
+ scope.reportError(new TypeError(`Variable type not supported: $${name}, ${typeof arg}`));
+ return new FluentNone(`$${name}`);
+ }
+}
+function resolveMessageReference(scope, {
+ name,
+ attr
+}) {
+ const message = scope.bundle._messages.get(name);
+ if (!message) {
+ scope.reportError(new ReferenceError(`Unknown message: ${name}`));
+ return new FluentNone(name);
+ }
+ if (attr) {
+ const attribute = message.attributes[attr];
+ if (attribute) {
+ return resolvePattern(scope, attribute);
+ }
+ scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));
+ return new FluentNone(`${name}.${attr}`);
+ }
+ if (message.value) {
+ return resolvePattern(scope, message.value);
+ }
+ scope.reportError(new ReferenceError(`No value: ${name}`));
+ return new FluentNone(name);
+}
+function resolveTermReference(scope, {
+ name,
+ attr,
+ args
+}) {
+ const id = `-${name}`;
+ const term = scope.bundle._terms.get(id);
+ if (!term) {
+ scope.reportError(new ReferenceError(`Unknown term: ${id}`));
+ return new FluentNone(id);
+ }
+ if (attr) {
+ const attribute = term.attributes[attr];
+ if (attribute) {
+ scope.params = getArguments(scope, args).named;
+ const resolved = resolvePattern(scope, attribute);
+ scope.params = null;
+ return resolved;
+ }
+ scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));
+ return new FluentNone(`${id}.${attr}`);
+ }
+ scope.params = getArguments(scope, args).named;
+ const resolved = resolvePattern(scope, term.value);
+ scope.params = null;
+ return resolved;
+}
+function resolveFunctionReference(scope, {
+ name,
+ args
+}) {
+ let func = scope.bundle._functions[name];
+ if (!func) {
+ scope.reportError(new ReferenceError(`Unknown function: ${name}()`));
+ return new FluentNone(`${name}()`);
+ }
+ if (typeof func !== "function") {
+ scope.reportError(new TypeError(`Function ${name}() is not callable`));
+ return new FluentNone(`${name}()`);
+ }
+ try {
+ let resolved = getArguments(scope, args);
+ return func(resolved.positional, resolved.named);
+ } catch (err) {
+ scope.reportError(err);
+ return new FluentNone(`${name}()`);
+ }
+}
+function resolveSelectExpression(scope, {
+ selector,
+ variants,
+ star
+}) {
+ let sel = resolveExpression(scope, selector);
+ if (sel instanceof FluentNone) {
+ return getDefault(scope, variants, star);
+ }
+ for (const variant of variants) {
+ const key = resolveExpression(scope, variant.key);
+ if (match(scope, sel, key)) {
+ return resolvePattern(scope, variant.value);
+ }
+ }
+ return getDefault(scope, variants, star);
+}
+function resolveComplexPattern(scope, ptn) {
+ if (scope.dirty.has(ptn)) {
+ scope.reportError(new RangeError("Cyclic reference"));
+ return new FluentNone();
+ }
+ scope.dirty.add(ptn);
+ const result = [];
+ const useIsolating = scope.bundle._useIsolating && ptn.length > 1;
+ for (const elem of ptn) {
+ if (typeof elem === "string") {
+ result.push(scope.bundle._transform(elem));
+ continue;
+ }
+ scope.placeables++;
+ if (scope.placeables > MAX_PLACEABLES) {
+ scope.dirty.delete(ptn);
+ throw new RangeError(`Too many placeables expanded: ${scope.placeables}, ` + `max allowed is ${MAX_PLACEABLES}`);
+ }
+ if (useIsolating) {
+ result.push(FSI);
+ }
+ result.push(resolveExpression(scope, elem).toString(scope));
+ if (useIsolating) {
+ result.push(PDI);
+ }
+ }
+ scope.dirty.delete(ptn);
+ return result.join("");
+}
+function resolvePattern(scope, value) {
+ if (typeof value === "string") {
+ return scope.bundle._transform(value);
+ }
+ return resolveComplexPattern(scope, value);
+}
+;// ./node_modules/@fluent/bundle/esm/scope.js
+class Scope {
+ constructor(bundle, errors, args) {
+ this.dirty = new WeakSet();
+ this.params = null;
+ this.placeables = 0;
+ this.bundle = bundle;
+ this.errors = errors;
+ this.args = args;
+ }
+ reportError(error) {
+ if (!this.errors || !(error instanceof Error)) {
+ throw error;
+ }
+ this.errors.push(error);
+ }
+ memoizeIntlObject(ctor, opts) {
+ let cache = this.bundle._intls.get(ctor);
+ if (!cache) {
+ cache = {};
+ this.bundle._intls.set(ctor, cache);
+ }
+ let id = JSON.stringify(opts);
+ if (!cache[id]) {
+ cache[id] = new ctor(this.bundle.locales, opts);
+ }
+ return cache[id];
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/builtins.js
+
+function values(opts, allowed) {
+ const unwrapped = Object.create(null);
+ for (const [name, opt] of Object.entries(opts)) {
+ if (allowed.includes(name)) {
+ unwrapped[name] = opt.valueOf();
+ }
+ }
+ return unwrapped;
+}
+const NUMBER_ALLOWED = ["unitDisplay", "currencyDisplay", "useGrouping", "minimumIntegerDigits", "minimumFractionDigits", "maximumFractionDigits", "minimumSignificantDigits", "maximumSignificantDigits"];
+function NUMBER(args, opts) {
+ let arg = args[0];
+ if (arg instanceof FluentNone) {
+ return new FluentNone(`NUMBER(${arg.valueOf()})`);
+ }
+ if (arg instanceof FluentNumber) {
+ return new FluentNumber(arg.valueOf(), {
+ ...arg.opts,
+ ...values(opts, NUMBER_ALLOWED)
+ });
+ }
+ if (arg instanceof FluentDateTime) {
+ return new FluentNumber(arg.toNumber(), {
+ ...values(opts, NUMBER_ALLOWED)
+ });
+ }
+ throw new TypeError("Invalid argument to NUMBER");
+}
+const DATETIME_ALLOWED = ["dateStyle", "timeStyle", "fractionalSecondDigits", "dayPeriod", "hour12", "weekday", "era", "year", "month", "day", "hour", "minute", "second", "timeZoneName"];
+function DATETIME(args, opts) {
+ let arg = args[0];
+ if (arg instanceof FluentNone) {
+ return new FluentNone(`DATETIME(${arg.valueOf()})`);
+ }
+ if (arg instanceof FluentDateTime || arg instanceof FluentNumber) {
+ return new FluentDateTime(arg, values(opts, DATETIME_ALLOWED));
+ }
+ throw new TypeError("Invalid argument to DATETIME");
+}
+;// ./node_modules/@fluent/bundle/esm/memoizer.js
+const cache = new Map();
+function getMemoizerForLocale(locales) {
+ const stringLocale = Array.isArray(locales) ? locales.join(" ") : locales;
+ let memoizer = cache.get(stringLocale);
+ if (memoizer === undefined) {
+ memoizer = new Map();
+ cache.set(stringLocale, memoizer);
+ }
+ return memoizer;
+}
+;// ./node_modules/@fluent/bundle/esm/bundle.js
+
+
+
+
+
+class FluentBundle {
+ constructor(locales, {
+ functions,
+ useIsolating = true,
+ transform = v => v
+ } = {}) {
+ this._terms = new Map();
+ this._messages = new Map();
+ this.locales = Array.isArray(locales) ? locales : [locales];
+ this._functions = {
+ NUMBER: NUMBER,
+ DATETIME: DATETIME,
+ ...functions
+ };
+ this._useIsolating = useIsolating;
+ this._transform = transform;
+ this._intls = getMemoizerForLocale(locales);
+ }
+ hasMessage(id) {
+ return this._messages.has(id);
+ }
+ getMessage(id) {
+ return this._messages.get(id);
+ }
+ addResource(res, {
+ allowOverrides = false
+ } = {}) {
+ const errors = [];
+ for (let i = 0; i < res.body.length; i++) {
+ let entry = res.body[i];
+ if (entry.id.startsWith("-")) {
+ if (allowOverrides === false && this._terms.has(entry.id)) {
+ errors.push(new Error(`Attempt to override an existing term: "${entry.id}"`));
+ continue;
+ }
+ this._terms.set(entry.id, entry);
+ } else {
+ if (allowOverrides === false && this._messages.has(entry.id)) {
+ errors.push(new Error(`Attempt to override an existing message: "${entry.id}"`));
+ continue;
+ }
+ this._messages.set(entry.id, entry);
+ }
+ }
+ return errors;
+ }
+ formatPattern(pattern, args = null, errors = null) {
+ if (typeof pattern === "string") {
+ return this._transform(pattern);
+ }
+ let scope = new Scope(this, errors, args);
+ try {
+ let value = resolveComplexPattern(scope, pattern);
+ return value.toString(scope);
+ } catch (err) {
+ if (scope.errors && err instanceof Error) {
+ scope.errors.push(err);
+ return new FluentNone().toString(scope);
+ }
+ throw err;
+ }
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/resource.js
+const RE_MESSAGE_START = /^(-?[a-zA-Z][\w-]*) *= */gm;
+const RE_ATTRIBUTE_START = /\.([a-zA-Z][\w-]*) *= */y;
+const RE_VARIANT_START = /\*?\[/y;
+const RE_NUMBER_LITERAL = /(-?[0-9]+(?:\.([0-9]+))?)/y;
+const RE_IDENTIFIER = /([a-zA-Z][\w-]*)/y;
+const RE_REFERENCE = /([$-])?([a-zA-Z][\w-]*)(?:\.([a-zA-Z][\w-]*))?/y;
+const RE_FUNCTION_NAME = /^[A-Z][A-Z0-9_-]*$/;
+const RE_TEXT_RUN = /([^{}\n\r]+)/y;
+const RE_STRING_RUN = /([^\\"\n\r]*)/y;
+const RE_STRING_ESCAPE = /\\([\\"])/y;
+const RE_UNICODE_ESCAPE = /\\u([a-fA-F0-9]{4})|\\U([a-fA-F0-9]{6})/y;
+const RE_LEADING_NEWLINES = /^\n+/;
+const RE_TRAILING_SPACES = / +$/;
+const RE_BLANK_LINES = / *\r?\n/g;
+const RE_INDENT = /( *)$/;
+const TOKEN_BRACE_OPEN = /{\s*/y;
+const TOKEN_BRACE_CLOSE = /\s*}/y;
+const TOKEN_BRACKET_OPEN = /\[\s*/y;
+const TOKEN_BRACKET_CLOSE = /\s*] */y;
+const TOKEN_PAREN_OPEN = /\s*\(\s*/y;
+const TOKEN_ARROW = /\s*->\s*/y;
+const TOKEN_COLON = /\s*:\s*/y;
+const TOKEN_COMMA = /\s*,?\s*/y;
+const TOKEN_BLANK = /\s+/y;
+class FluentResource {
+ constructor(source) {
+ this.body = [];
+ RE_MESSAGE_START.lastIndex = 0;
+ let cursor = 0;
+ while (true) {
+ let next = RE_MESSAGE_START.exec(source);
+ if (next === null) {
+ break;
+ }
+ cursor = RE_MESSAGE_START.lastIndex;
+ try {
+ this.body.push(parseMessage(next[1]));
+ } catch (err) {
+ if (err instanceof SyntaxError) {
+ continue;
+ }
+ throw err;
+ }
+ }
+ function test(re) {
+ re.lastIndex = cursor;
+ return re.test(source);
+ }
+ function consumeChar(char, errorClass) {
+ if (source[cursor] === char) {
+ cursor++;
+ return true;
+ }
+ if (errorClass) {
+ throw new errorClass(`Expected ${char}`);
+ }
+ return false;
+ }
+ function consumeToken(re, errorClass) {
+ if (test(re)) {
+ cursor = re.lastIndex;
+ return true;
+ }
+ if (errorClass) {
+ throw new errorClass(`Expected ${re.toString()}`);
+ }
+ return false;
+ }
+ function match(re) {
+ re.lastIndex = cursor;
+ let result = re.exec(source);
+ if (result === null) {
+ throw new SyntaxError(`Expected ${re.toString()}`);
+ }
+ cursor = re.lastIndex;
+ return result;
+ }
+ function match1(re) {
+ return match(re)[1];
+ }
+ function parseMessage(id) {
+ let value = parsePattern();
+ let attributes = parseAttributes();
+ if (value === null && Object.keys(attributes).length === 0) {
+ throw new SyntaxError("Expected message value or attributes");
+ }
+ return {
+ id,
+ value,
+ attributes
+ };
+ }
+ function parseAttributes() {
+ let attrs = Object.create(null);
+ while (test(RE_ATTRIBUTE_START)) {
+ let name = match1(RE_ATTRIBUTE_START);
+ let value = parsePattern();
+ if (value === null) {
+ throw new SyntaxError("Expected attribute value");
+ }
+ attrs[name] = value;
+ }
+ return attrs;
+ }
+ function parsePattern() {
+ let first;
+ if (test(RE_TEXT_RUN)) {
+ first = match1(RE_TEXT_RUN);
+ }
+ if (source[cursor] === "{" || source[cursor] === "}") {
+ return parsePatternElements(first ? [first] : [], Infinity);
+ }
+ let indent = parseIndent();
+ if (indent) {
+ if (first) {
+ return parsePatternElements([first, indent], indent.length);
+ }
+ indent.value = trim(indent.value, RE_LEADING_NEWLINES);
+ return parsePatternElements([indent], indent.length);
+ }
+ if (first) {
+ return trim(first, RE_TRAILING_SPACES);
+ }
+ return null;
+ }
+ function parsePatternElements(elements = [], commonIndent) {
+ while (true) {
+ if (test(RE_TEXT_RUN)) {
+ elements.push(match1(RE_TEXT_RUN));
+ continue;
+ }
+ if (source[cursor] === "{") {
+ elements.push(parsePlaceable());
+ continue;
+ }
+ if (source[cursor] === "}") {
+ throw new SyntaxError("Unbalanced closing brace");
+ }
+ let indent = parseIndent();
+ if (indent) {
+ elements.push(indent);
+ commonIndent = Math.min(commonIndent, indent.length);
+ continue;
+ }
+ break;
+ }
+ let lastIndex = elements.length - 1;
+ let lastElement = elements[lastIndex];
+ if (typeof lastElement === "string") {
+ elements[lastIndex] = trim(lastElement, RE_TRAILING_SPACES);
+ }
+ let baked = [];
+ for (let element of elements) {
+ if (element instanceof Indent) {
+ element = element.value.slice(0, element.value.length - commonIndent);
+ }
+ if (element) {
+ baked.push(element);
+ }
+ }
+ return baked;
+ }
+ function parsePlaceable() {
+ consumeToken(TOKEN_BRACE_OPEN, SyntaxError);
+ let selector = parseInlineExpression();
+ if (consumeToken(TOKEN_BRACE_CLOSE)) {
+ return selector;
+ }
+ if (consumeToken(TOKEN_ARROW)) {
+ let variants = parseVariants();
+ consumeToken(TOKEN_BRACE_CLOSE, SyntaxError);
+ return {
+ type: "select",
+ selector,
+ ...variants
+ };
+ }
+ throw new SyntaxError("Unclosed placeable");
+ }
+ function parseInlineExpression() {
+ if (source[cursor] === "{") {
+ return parsePlaceable();
+ }
+ if (test(RE_REFERENCE)) {
+ let [, sigil, name, attr = null] = match(RE_REFERENCE);
+ if (sigil === "$") {
+ return {
+ type: "var",
+ name
+ };
+ }
+ if (consumeToken(TOKEN_PAREN_OPEN)) {
+ let args = parseArguments();
+ if (sigil === "-") {
+ return {
+ type: "term",
+ name,
+ attr,
+ args
+ };
+ }
+ if (RE_FUNCTION_NAME.test(name)) {
+ return {
+ type: "func",
+ name,
+ args
+ };
+ }
+ throw new SyntaxError("Function names must be all upper-case");
+ }
+ if (sigil === "-") {
+ return {
+ type: "term",
+ name,
+ attr,
+ args: []
+ };
+ }
+ return {
+ type: "mesg",
+ name,
+ attr
+ };
+ }
+ return parseLiteral();
+ }
+ function parseArguments() {
+ let args = [];
+ while (true) {
+ switch (source[cursor]) {
+ case ")":
+ cursor++;
+ return args;
+ case undefined:
+ throw new SyntaxError("Unclosed argument list");
+ }
+ args.push(parseArgument());
+ consumeToken(TOKEN_COMMA);
+ }
+ }
+ function parseArgument() {
+ let expr = parseInlineExpression();
+ if (expr.type !== "mesg") {
+ return expr;
+ }
+ if (consumeToken(TOKEN_COLON)) {
+ return {
+ type: "narg",
+ name: expr.name,
+ value: parseLiteral()
+ };
+ }
+ return expr;
+ }
+ function parseVariants() {
+ let variants = [];
+ let count = 0;
+ let star;
+ while (test(RE_VARIANT_START)) {
+ if (consumeChar("*")) {
+ star = count;
+ }
+ let key = parseVariantKey();
+ let value = parsePattern();
+ if (value === null) {
+ throw new SyntaxError("Expected variant value");
+ }
+ variants[count++] = {
+ key,
+ value
+ };
+ }
+ if (count === 0) {
+ return null;
+ }
+ if (star === undefined) {
+ throw new SyntaxError("Expected default variant");
+ }
+ return {
+ variants,
+ star
+ };
+ }
+ function parseVariantKey() {
+ consumeToken(TOKEN_BRACKET_OPEN, SyntaxError);
+ let key;
+ if (test(RE_NUMBER_LITERAL)) {
+ key = parseNumberLiteral();
+ } else {
+ key = {
+ type: "str",
+ value: match1(RE_IDENTIFIER)
+ };
+ }
+ consumeToken(TOKEN_BRACKET_CLOSE, SyntaxError);
+ return key;
+ }
+ function parseLiteral() {
+ if (test(RE_NUMBER_LITERAL)) {
+ return parseNumberLiteral();
+ }
+ if (source[cursor] === '"') {
+ return parseStringLiteral();
+ }
+ throw new SyntaxError("Invalid expression");
+ }
+ function parseNumberLiteral() {
+ let [, value, fraction = ""] = match(RE_NUMBER_LITERAL);
+ let precision = fraction.length;
+ return {
+ type: "num",
+ value: parseFloat(value),
+ precision
+ };
+ }
+ function parseStringLiteral() {
+ consumeChar('"', SyntaxError);
+ let value = "";
+ while (true) {
+ value += match1(RE_STRING_RUN);
+ if (source[cursor] === "\\") {
+ value += parseEscapeSequence();
+ continue;
+ }
+ if (consumeChar('"')) {
+ return {
+ type: "str",
+ value
+ };
+ }
+ throw new SyntaxError("Unclosed string literal");
+ }
+ }
+ function parseEscapeSequence() {
+ if (test(RE_STRING_ESCAPE)) {
+ return match1(RE_STRING_ESCAPE);
+ }
+ if (test(RE_UNICODE_ESCAPE)) {
+ let [, codepoint4, codepoint6] = match(RE_UNICODE_ESCAPE);
+ let codepoint = parseInt(codepoint4 || codepoint6, 16);
+ return codepoint <= 0xd7ff || 0xe000 <= codepoint ? String.fromCodePoint(codepoint) : "�";
+ }
+ throw new SyntaxError("Unknown escape sequence");
+ }
+ function parseIndent() {
+ let start = cursor;
+ consumeToken(TOKEN_BLANK);
+ switch (source[cursor]) {
+ case ".":
+ case "[":
+ case "*":
+ case "}":
+ case undefined:
+ return false;
+ case "{":
+ return makeIndent(source.slice(start, cursor));
+ }
+ if (source[cursor - 1] === " ") {
+ return makeIndent(source.slice(start, cursor));
+ }
+ return false;
+ }
+ function trim(text, re) {
+ return text.replace(re, "");
+ }
+ function makeIndent(blank) {
+ let value = blank.replace(RE_BLANK_LINES, "\n");
+ let length = RE_INDENT.exec(blank)[1].length;
+ return new Indent(value, length);
+ }
+ }
+}
+class Indent {
+ constructor(value, length) {
+ this.value = value;
+ this.length = length;
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/index.js
+
+
+
+;// ./node_modules/@fluent/dom/esm/overlay.js
+const reOverlay = /<|?\w+;/;
+const TEXT_LEVEL_ELEMENTS = {
+ "http://www.w3.org/1999/xhtml": ["em", "strong", "small", "s", "cite", "q", "dfn", "abbr", "data", "time", "code", "var", "samp", "kbd", "sub", "sup", "i", "b", "u", "mark", "bdi", "bdo", "span", "br", "wbr"]
+};
+const LOCALIZABLE_ATTRIBUTES = {
+ "http://www.w3.org/1999/xhtml": {
+ global: ["title", "aria-description", "aria-label", "aria-valuetext"],
+ a: ["download"],
+ area: ["download", "alt"],
+ input: ["alt", "placeholder"],
+ menuitem: ["label"],
+ menu: ["label"],
+ optgroup: ["label"],
+ option: ["label"],
+ track: ["label"],
+ img: ["alt"],
+ textarea: ["placeholder"],
+ th: ["abbr"]
+ },
+ "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul": {
+ global: ["accesskey", "aria-label", "aria-valuetext", "label", "title", "tooltiptext"],
+ description: ["value"],
+ key: ["key", "keycode"],
+ label: ["value"],
+ textbox: ["placeholder", "value"]
+ }
+};
+function translateElement(element, translation) {
+ const {
+ value
+ } = translation;
+ if (typeof value === "string") {
+ if (element.localName === "title" && element.namespaceURI === "http://www.w3.org/1999/xhtml") {
+ element.textContent = value;
+ } else if (!reOverlay.test(value)) {
+ element.textContent = value;
+ } else {
+ const templateElement = element.ownerDocument.createElementNS("http://www.w3.org/1999/xhtml", "template");
+ templateElement.innerHTML = value;
+ overlayChildNodes(templateElement.content, element);
+ }
+ }
+ overlayAttributes(translation, element);
+}
+function overlayChildNodes(fromFragment, toElement) {
+ for (const childNode of fromFragment.childNodes) {
+ if (childNode.nodeType === childNode.TEXT_NODE) {
+ continue;
+ }
+ if (childNode.hasAttribute("data-l10n-name")) {
+ const sanitized = getNodeForNamedElement(toElement, childNode);
+ fromFragment.replaceChild(sanitized, childNode);
+ continue;
+ }
+ if (isElementAllowed(childNode)) {
+ const sanitized = createSanitizedElement(childNode);
+ fromFragment.replaceChild(sanitized, childNode);
+ continue;
+ }
+ console.warn(`An element of forbidden type "${childNode.localName}" was found in ` + "the translation. Only safe text-level elements and elements with " + "data-l10n-name are allowed.");
+ fromFragment.replaceChild(createTextNodeFromTextContent(childNode), childNode);
+ }
+ toElement.textContent = "";
+ toElement.appendChild(fromFragment);
+}
+function hasAttribute(attributes, name) {
+ if (!attributes) {
+ return false;
+ }
+ for (let attr of attributes) {
+ if (attr.name === name) {
+ return true;
+ }
+ }
+ return false;
+}
+function overlayAttributes(fromElement, toElement) {
+ const explicitlyAllowed = toElement.hasAttribute("data-l10n-attrs") ? toElement.getAttribute("data-l10n-attrs").split(",").map(i => i.trim()) : null;
+ for (const attr of Array.from(toElement.attributes)) {
+ if (isAttrNameLocalizable(attr.name, toElement, explicitlyAllowed) && !hasAttribute(fromElement.attributes, attr.name)) {
+ toElement.removeAttribute(attr.name);
+ }
+ }
+ if (!fromElement.attributes) {
+ return;
+ }
+ for (const attr of Array.from(fromElement.attributes)) {
+ if (isAttrNameLocalizable(attr.name, toElement, explicitlyAllowed) && toElement.getAttribute(attr.name) !== attr.value) {
+ toElement.setAttribute(attr.name, attr.value);
+ }
+ }
+}
+function getNodeForNamedElement(sourceElement, translatedChild) {
+ const childName = translatedChild.getAttribute("data-l10n-name");
+ const sourceChild = sourceElement.querySelector(`[data-l10n-name="${childName}"]`);
+ if (!sourceChild) {
+ console.warn(`An element named "${childName}" wasn't found in the source.`);
+ return createTextNodeFromTextContent(translatedChild);
+ }
+ if (sourceChild.localName !== translatedChild.localName) {
+ console.warn(`An element named "${childName}" was found in the translation ` + `but its type ${translatedChild.localName} didn't match the ` + `element found in the source (${sourceChild.localName}).`);
+ return createTextNodeFromTextContent(translatedChild);
+ }
+ sourceElement.removeChild(sourceChild);
+ const clone = sourceChild.cloneNode(false);
+ return shallowPopulateUsing(translatedChild, clone);
+}
+function createSanitizedElement(element) {
+ const clone = element.ownerDocument.createElement(element.localName);
+ return shallowPopulateUsing(element, clone);
+}
+function createTextNodeFromTextContent(element) {
+ return element.ownerDocument.createTextNode(element.textContent);
+}
+function isElementAllowed(element) {
+ const allowed = TEXT_LEVEL_ELEMENTS[element.namespaceURI];
+ return allowed && allowed.includes(element.localName);
+}
+function isAttrNameLocalizable(name, element, explicitlyAllowed = null) {
+ if (explicitlyAllowed && explicitlyAllowed.includes(name)) {
+ return true;
+ }
+ const allowed = LOCALIZABLE_ATTRIBUTES[element.namespaceURI];
+ if (!allowed) {
+ return false;
+ }
+ const attrName = name.toLowerCase();
+ const elemName = element.localName;
+ if (allowed.global.includes(attrName)) {
+ return true;
+ }
+ if (!allowed[elemName]) {
+ return false;
+ }
+ if (allowed[elemName].includes(attrName)) {
+ return true;
+ }
+ if (element.namespaceURI === "http://www.w3.org/1999/xhtml" && elemName === "input" && attrName === "value") {
+ const type = element.type.toLowerCase();
+ if (type === "submit" || type === "button" || type === "reset") {
+ return true;
+ }
+ }
+ return false;
+}
+function shallowPopulateUsing(fromElement, toElement) {
+ toElement.textContent = fromElement.textContent;
+ overlayAttributes(fromElement, toElement);
+ return toElement;
+}
+;// ./node_modules/cached-iterable/src/cached_iterable.mjs
+class CachedIterable extends Array {
+ static from(iterable) {
+ if (iterable instanceof this) {
+ return iterable;
+ }
+ return new this(iterable);
+ }
+}
+;// ./node_modules/cached-iterable/src/cached_sync_iterable.mjs
+
+class CachedSyncIterable extends CachedIterable {
+ constructor(iterable) {
+ super();
+ if (Symbol.iterator in Object(iterable)) {
+ this.iterator = iterable[Symbol.iterator]();
+ } else {
+ throw new TypeError("Argument must implement the iteration protocol.");
+ }
+ }
+ [Symbol.iterator]() {
+ const cached = this;
+ let cur = 0;
+ return {
+ next() {
+ if (cached.length <= cur) {
+ cached.push(cached.iterator.next());
+ }
+ return cached[cur++];
+ }
+ };
+ }
+ touchNext(count = 1) {
+ let idx = 0;
+ while (idx++ < count) {
+ const last = this[this.length - 1];
+ if (last && last.done) {
+ break;
+ }
+ this.push(this.iterator.next());
+ }
+ return this[this.length - 1];
+ }
+}
+;// ./node_modules/cached-iterable/src/cached_async_iterable.mjs
+
+class CachedAsyncIterable extends CachedIterable {
+ constructor(iterable) {
+ super();
+ if (Symbol.asyncIterator in Object(iterable)) {
+ this.iterator = iterable[Symbol.asyncIterator]();
+ } else if (Symbol.iterator in Object(iterable)) {
+ this.iterator = iterable[Symbol.iterator]();
+ } else {
+ throw new TypeError("Argument must implement the iteration protocol.");
+ }
+ }
+ [Symbol.asyncIterator]() {
+ const cached = this;
+ let cur = 0;
+ return {
+ async next() {
+ if (cached.length <= cur) {
+ cached.push(cached.iterator.next());
+ }
+ return cached[cur++];
+ }
+ };
+ }
+ async touchNext(count = 1) {
+ let idx = 0;
+ while (idx++ < count) {
+ const last = this[this.length - 1];
+ if (last && (await last).done) {
+ break;
+ }
+ this.push(this.iterator.next());
+ }
+ return this[this.length - 1];
+ }
+}
+;// ./node_modules/cached-iterable/src/index.mjs
+
+
+;// ./node_modules/@fluent/dom/esm/localization.js
+
+class Localization {
+ constructor(resourceIds = [], generateBundles) {
+ this.resourceIds = resourceIds;
+ this.generateBundles = generateBundles;
+ this.onChange(true);
+ }
+ addResourceIds(resourceIds, eager = false) {
+ this.resourceIds.push(...resourceIds);
+ this.onChange(eager);
+ return this.resourceIds.length;
+ }
+ removeResourceIds(resourceIds) {
+ this.resourceIds = this.resourceIds.filter(r => !resourceIds.includes(r));
+ this.onChange();
+ return this.resourceIds.length;
+ }
+ async formatWithFallback(keys, method) {
+ const translations = [];
+ let hasAtLeastOneBundle = false;
+ for await (const bundle of this.bundles) {
+ hasAtLeastOneBundle = true;
+ const missingIds = keysFromBundle(method, bundle, keys, translations);
+ if (missingIds.size === 0) {
+ break;
+ }
+ if (typeof console !== "undefined") {
+ const locale = bundle.locales[0];
+ const ids = Array.from(missingIds).join(", ");
+ console.warn(`[fluent] Missing translations in ${locale}: ${ids}`);
+ }
+ }
+ if (!hasAtLeastOneBundle && typeof console !== "undefined") {
+ console.warn(`[fluent] Request for keys failed because no resource bundles got generated.
+ keys: ${JSON.stringify(keys)}.
+ resourceIds: ${JSON.stringify(this.resourceIds)}.`);
+ }
+ return translations;
+ }
+ formatMessages(keys) {
+ return this.formatWithFallback(keys, messageFromBundle);
+ }
+ formatValues(keys) {
+ return this.formatWithFallback(keys, valueFromBundle);
+ }
+ async formatValue(id, args) {
+ const [val] = await this.formatValues([{
+ id,
+ args
+ }]);
+ return val;
+ }
+ handleEvent() {
+ this.onChange();
+ }
+ onChange(eager = false) {
+ this.bundles = CachedAsyncIterable.from(this.generateBundles(this.resourceIds));
+ if (eager) {
+ this.bundles.touchNext(2);
+ }
+ }
+}
+function valueFromBundle(bundle, errors, message, args) {
+ if (message.value) {
+ return bundle.formatPattern(message.value, args, errors);
+ }
+ return null;
+}
+function messageFromBundle(bundle, errors, message, args) {
+ const formatted = {
+ value: null,
+ attributes: null
+ };
+ if (message.value) {
+ formatted.value = bundle.formatPattern(message.value, args, errors);
+ }
+ let attrNames = Object.keys(message.attributes);
+ if (attrNames.length > 0) {
+ formatted.attributes = new Array(attrNames.length);
+ for (let [i, name] of attrNames.entries()) {
+ let value = bundle.formatPattern(message.attributes[name], args, errors);
+ formatted.attributes[i] = {
+ name,
+ value
+ };
+ }
+ }
+ return formatted;
+}
+function keysFromBundle(method, bundle, keys, translations) {
+ const messageErrors = [];
+ const missingIds = new Set();
+ keys.forEach(({
+ id,
+ args
+ }, i) => {
+ if (translations[i] !== undefined) {
+ return;
+ }
+ let message = bundle.getMessage(id);
+ if (message) {
+ messageErrors.length = 0;
+ translations[i] = method(bundle, messageErrors, message, args);
+ if (messageErrors.length > 0 && typeof console !== "undefined") {
+ const locale = bundle.locales[0];
+ const errors = messageErrors.join(", ");
+ console.warn(`[fluent][resolver] errors in ${locale}/${id}: ${errors}.`);
+ }
+ } else {
+ missingIds.add(id);
+ }
+ });
+ return missingIds;
+}
+;// ./node_modules/@fluent/dom/esm/dom_localization.js
+
+
+const L10NID_ATTR_NAME = "data-l10n-id";
+const L10NARGS_ATTR_NAME = "data-l10n-args";
+const L10N_ELEMENT_QUERY = `[${L10NID_ATTR_NAME}]`;
+class DOMLocalization extends Localization {
+ constructor(resourceIds, generateBundles) {
+ super(resourceIds, generateBundles);
+ this.roots = new Set();
+ this.pendingrAF = null;
+ this.pendingElements = new Set();
+ this.windowElement = null;
+ this.mutationObserver = null;
+ this.observerConfig = {
+ attributes: true,
+ characterData: false,
+ childList: true,
+ subtree: true,
+ attributeFilter: [L10NID_ATTR_NAME, L10NARGS_ATTR_NAME]
+ };
+ }
+ onChange(eager = false) {
+ super.onChange(eager);
+ if (this.roots) {
+ this.translateRoots();
+ }
+ }
+ setAttributes(element, id, args) {
+ element.setAttribute(L10NID_ATTR_NAME, id);
+ if (args) {
+ element.setAttribute(L10NARGS_ATTR_NAME, JSON.stringify(args));
+ } else {
+ element.removeAttribute(L10NARGS_ATTR_NAME);
+ }
+ return element;
+ }
+ getAttributes(element) {
+ return {
+ id: element.getAttribute(L10NID_ATTR_NAME),
+ args: JSON.parse(element.getAttribute(L10NARGS_ATTR_NAME) || null)
+ };
+ }
+ connectRoot(newRoot) {
+ for (const root of this.roots) {
+ if (root === newRoot || root.contains(newRoot) || newRoot.contains(root)) {
+ throw new Error("Cannot add a root that overlaps with existing root.");
+ }
+ }
+ if (this.windowElement) {
+ if (this.windowElement !== newRoot.ownerDocument.defaultView) {
+ throw new Error(`Cannot connect a root:
+ DOMLocalization already has a root from a different window.`);
+ }
+ } else {
+ this.windowElement = newRoot.ownerDocument.defaultView;
+ this.mutationObserver = new this.windowElement.MutationObserver(mutations => this.translateMutations(mutations));
+ }
+ this.roots.add(newRoot);
+ this.mutationObserver.observe(newRoot, this.observerConfig);
+ }
+ disconnectRoot(root) {
+ this.roots.delete(root);
+ this.pauseObserving();
+ if (this.roots.size === 0) {
+ this.mutationObserver = null;
+ if (this.windowElement && this.pendingrAF) {
+ this.windowElement.cancelAnimationFrame(this.pendingrAF);
+ }
+ this.windowElement = null;
+ this.pendingrAF = null;
+ this.pendingElements.clear();
+ return true;
+ }
+ this.resumeObserving();
+ return false;
+ }
+ translateRoots() {
+ const roots = Array.from(this.roots);
+ return Promise.all(roots.map(root => this.translateFragment(root)));
+ }
+ pauseObserving() {
+ if (!this.mutationObserver) {
+ return;
+ }
+ this.translateMutations(this.mutationObserver.takeRecords());
+ this.mutationObserver.disconnect();
+ }
+ resumeObserving() {
+ if (!this.mutationObserver) {
+ return;
+ }
+ for (const root of this.roots) {
+ this.mutationObserver.observe(root, this.observerConfig);
+ }
+ }
+ translateMutations(mutations) {
+ for (const mutation of mutations) {
+ switch (mutation.type) {
+ case "attributes":
+ if (mutation.target.hasAttribute("data-l10n-id")) {
+ this.pendingElements.add(mutation.target);
+ }
+ break;
+ case "childList":
+ for (const addedNode of mutation.addedNodes) {
+ if (addedNode.nodeType === addedNode.ELEMENT_NODE) {
+ if (addedNode.childElementCount) {
+ for (const element of this.getTranslatables(addedNode)) {
+ this.pendingElements.add(element);
+ }
+ } else if (addedNode.hasAttribute(L10NID_ATTR_NAME)) {
+ this.pendingElements.add(addedNode);
+ }
+ }
+ }
+ break;
+ }
+ }
+ if (this.pendingElements.size > 0) {
+ if (this.pendingrAF === null) {
+ this.pendingrAF = this.windowElement.requestAnimationFrame(() => {
+ this.translateElements(Array.from(this.pendingElements));
+ this.pendingElements.clear();
+ this.pendingrAF = null;
+ });
+ }
+ }
+ }
+ translateFragment(frag) {
+ return this.translateElements(this.getTranslatables(frag));
+ }
+ async translateElements(elements) {
+ if (!elements.length) {
+ return undefined;
+ }
+ const keys = elements.map(this.getKeysForElement);
+ const translations = await this.formatMessages(keys);
+ return this.applyTranslations(elements, translations);
+ }
+ applyTranslations(elements, translations) {
+ this.pauseObserving();
+ for (let i = 0; i < elements.length; i++) {
+ if (translations[i] !== undefined) {
+ translateElement(elements[i], translations[i]);
+ }
+ }
+ this.resumeObserving();
+ }
+ getTranslatables(element) {
+ const nodes = Array.from(element.querySelectorAll(L10N_ELEMENT_QUERY));
+ if (typeof element.hasAttribute === "function" && element.hasAttribute(L10NID_ATTR_NAME)) {
+ nodes.push(element);
+ }
+ return nodes;
+ }
+ getKeysForElement(element) {
+ return {
+ id: element.getAttribute(L10NID_ATTR_NAME),
+ args: JSON.parse(element.getAttribute(L10NARGS_ATTR_NAME) || null)
+ };
+ }
+}
+;// ./node_modules/@fluent/dom/esm/index.js
+
+
+;// ./web/l10n.js
+class L10n {
+ #dir;
+ #elements;
+ #lang;
+ #l10n;
+ constructor({
+ lang,
+ isRTL
+ }, l10n = null) {
+ this.#lang = L10n.#fixupLangCode(lang);
+ this.#l10n = l10n;
+ this.#dir = isRTL ?? L10n.#isRTL(this.#lang) ? "rtl" : "ltr";
+ }
+ _setL10n(l10n) {
+ this.#l10n = l10n;
+ }
+ getLanguage() {
+ return this.#lang;
+ }
+ getDirection() {
+ return this.#dir;
+ }
+ async get(ids, args = null, fallback) {
+ if (Array.isArray(ids)) {
+ ids = ids.map(id => ({
+ id
+ }));
+ const messages = await this.#l10n.formatMessages(ids);
+ return messages.map(message => message.value);
+ }
+ const messages = await this.#l10n.formatMessages([{
+ id: ids,
+ args
+ }]);
+ return messages[0]?.value || fallback;
+ }
+ async translate(element) {
+ (this.#elements ||= new Set()).add(element);
+ try {
+ this.#l10n.connectRoot(element);
+ await this.#l10n.translateRoots();
+ } catch {}
+ }
+ async translateOnce(element) {
+ try {
+ await this.#l10n.translateElements([element]);
+ } catch (ex) {
+ console.error("translateOnce:", ex);
+ }
+ }
+ async destroy() {
+ if (this.#elements) {
+ for (const element of this.#elements) {
+ this.#l10n.disconnectRoot(element);
+ }
+ this.#elements.clear();
+ this.#elements = null;
+ }
+ this.#l10n.pauseObserving();
+ }
+ pause() {
+ this.#l10n.pauseObserving();
+ }
+ resume() {
+ this.#l10n.resumeObserving();
+ }
+ static #fixupLangCode(langCode) {
+ langCode = langCode?.toLowerCase() || "en-us";
+ const PARTIAL_LANG_CODES = {
+ en: "en-us",
+ es: "es-es",
+ fy: "fy-nl",
+ ga: "ga-ie",
+ gu: "gu-in",
+ hi: "hi-in",
+ hy: "hy-am",
+ nb: "nb-no",
+ ne: "ne-np",
+ nn: "nn-no",
+ pa: "pa-in",
+ pt: "pt-pt",
+ sv: "sv-se",
+ zh: "zh-cn"
+ };
+ return PARTIAL_LANG_CODES[langCode] || langCode;
+ }
+ static #isRTL(lang) {
+ const shortCode = lang.split("-", 1)[0];
+ return ["ar", "he", "fa", "ps", "ur"].includes(shortCode);
+ }
+}
+const GenericL10n = null;
+
+;// ./web/genericl10n.js
+
+
+
+
+function PLATFORM() {
+ const {
+ isAndroid,
+ isLinux,
+ isMac,
+ isWindows
+ } = FeatureTest.platform;
+ if (isLinux) {
+ return "linux";
+ }
+ if (isWindows) {
+ return "windows";
+ }
+ if (isMac) {
+ return "macos";
+ }
+ if (isAndroid) {
+ return "android";
+ }
+ return "other";
+}
+function createBundle(lang, text) {
+ const resource = new FluentResource(text);
+ const bundle = new FluentBundle(lang, {
+ functions: {
+ PLATFORM
+ }
+ });
+ const errors = bundle.addResource(resource);
+ if (errors.length) {
+ console.error("L10n errors", errors);
+ }
+ return bundle;
+}
+class genericl10n_GenericL10n extends L10n {
+ constructor(lang) {
+ super({
+ lang
+ });
+ const generateBundles = !lang ? genericl10n_GenericL10n.#generateBundlesFallback.bind(genericl10n_GenericL10n, this.getLanguage()) : genericl10n_GenericL10n.#generateBundles.bind(genericl10n_GenericL10n, "en-us", this.getLanguage());
+ this._setL10n(new DOMLocalization([], generateBundles));
+ }
+ static async *#generateBundles(defaultLang, baseLang) {
+ const {
+ baseURL,
+ paths
+ } = await this.#getPaths();
+ const langs = [baseLang];
+ if (defaultLang !== baseLang) {
+ const shortLang = baseLang.split("-", 1)[0];
+ if (shortLang !== baseLang) {
+ langs.push(shortLang);
+ }
+ langs.push(defaultLang);
+ }
+ const bundles = langs.map(lang => [lang, this.#createBundle(lang, baseURL, paths)]);
+ for (const [lang, bundlePromise] of bundles) {
+ const bundle = await bundlePromise;
+ if (bundle) {
+ yield bundle;
+ } else if (lang === "en-us") {
+ yield this.#createBundleFallback(lang);
+ }
+ }
+ }
+ static async #createBundle(lang, baseURL, paths) {
+ const path = paths[lang];
+ if (!path) {
+ return null;
+ }
+ const url = new URL(path, baseURL);
+ const text = await fetchData(url, "text");
+ return createBundle(lang, text);
+ }
+ static async #getPaths() {
+ try {
+ const {
+ href
+ } = document.querySelector(`link[type="application/l10n"]`);
+ const paths = await fetchData(href, "json");
+ return {
+ baseURL: href.substring(0, href.lastIndexOf("/") + 1) || "./",
+ paths
+ };
+ } catch {}
+ return {
+ baseURL: "./",
+ paths: Object.create(null)
+ };
+ }
+ static async *#generateBundlesFallback(lang) {
+ yield this.#createBundleFallback(lang);
+ }
+ static async #createBundleFallback(lang) {
+ const text = "pdfjs-previous-button =\n .title = Previous Page\npdfjs-previous-button-label = Previous\npdfjs-next-button =\n .title = Next Page\npdfjs-next-button-label = Next\npdfjs-page-input =\n .title = Page\npdfjs-of-pages = of { $pagesCount }\npdfjs-page-of-pages = ({ $pageNumber } of { $pagesCount })\npdfjs-zoom-out-button =\n .title = Zoom Out\npdfjs-zoom-out-button-label = Zoom Out\npdfjs-zoom-in-button =\n .title = Zoom In\npdfjs-zoom-in-button-label = Zoom In\npdfjs-zoom-select =\n .title = Zoom\npdfjs-presentation-mode-button =\n .title = Switch to Presentation Mode\npdfjs-presentation-mode-button-label = Presentation Mode\npdfjs-open-file-button =\n .title = Open File\npdfjs-open-file-button-label = Open\npdfjs-print-button =\n .title = Print\npdfjs-print-button-label = Print\npdfjs-save-button =\n .title = Save\npdfjs-save-button-label = Save\npdfjs-download-button =\n .title = Download\npdfjs-download-button-label = Download\npdfjs-bookmark-button =\n .title = Current Page (View URL from Current Page)\npdfjs-bookmark-button-label = Current Page\npdfjs-tools-button =\n .title = Tools\npdfjs-tools-button-label = Tools\npdfjs-first-page-button =\n .title = Go to First Page\npdfjs-first-page-button-label = Go to First Page\npdfjs-last-page-button =\n .title = Go to Last Page\npdfjs-last-page-button-label = Go to Last Page\npdfjs-page-rotate-cw-button =\n .title = Rotate Clockwise\npdfjs-page-rotate-cw-button-label = Rotate Clockwise\npdfjs-page-rotate-ccw-button =\n .title = Rotate Counterclockwise\npdfjs-page-rotate-ccw-button-label = Rotate Counterclockwise\npdfjs-cursor-text-select-tool-button =\n .title = Enable Text Selection Tool\npdfjs-cursor-text-select-tool-button-label = Text Selection Tool\npdfjs-cursor-hand-tool-button =\n .title = Enable Hand Tool\npdfjs-cursor-hand-tool-button-label = Hand Tool\npdfjs-scroll-page-button =\n .title = Use Page Scrolling\npdfjs-scroll-page-button-label = Page Scrolling\npdfjs-scroll-vertical-button =\n .title = Use Vertical Scrolling\npdfjs-scroll-vertical-button-label = Vertical Scrolling\npdfjs-scroll-horizontal-button =\n .title = Use Horizontal Scrolling\npdfjs-scroll-horizontal-button-label = Horizontal Scrolling\npdfjs-scroll-wrapped-button =\n .title = Use Wrapped Scrolling\npdfjs-scroll-wrapped-button-label = Wrapped Scrolling\npdfjs-spread-none-button =\n .title = Do not join page spreads\npdfjs-spread-none-button-label = No Spreads\npdfjs-spread-odd-button =\n .title = Join page spreads starting with odd-numbered pages\npdfjs-spread-odd-button-label = Odd Spreads\npdfjs-spread-even-button =\n .title = Join page spreads starting with even-numbered pages\npdfjs-spread-even-button-label = Even Spreads\npdfjs-document-properties-button =\n .title = Document Properties\u2026\npdfjs-document-properties-button-label = Document Properties\u2026\npdfjs-document-properties-file-name = File name:\npdfjs-document-properties-file-size = File size:\npdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)\npdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)\npdfjs-document-properties-title = Title:\npdfjs-document-properties-author = Author:\npdfjs-document-properties-subject = Subject:\npdfjs-document-properties-keywords = Keywords:\npdfjs-document-properties-creation-date = Creation Date:\npdfjs-document-properties-modification-date = Modification Date:\npdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: \"short\", timeStyle: \"medium\") }\npdfjs-document-properties-creator = Creator:\npdfjs-document-properties-producer = PDF Producer:\npdfjs-document-properties-version = PDF Version:\npdfjs-document-properties-page-count = Page Count:\npdfjs-document-properties-page-size = Page Size:\npdfjs-document-properties-page-size-unit-inches = in\npdfjs-document-properties-page-size-unit-millimeters = mm\npdfjs-document-properties-page-size-orientation-portrait = portrait\npdfjs-document-properties-page-size-orientation-landscape = landscape\npdfjs-document-properties-page-size-name-a-three = A3\npdfjs-document-properties-page-size-name-a-four = A4\npdfjs-document-properties-page-size-name-letter = Letter\npdfjs-document-properties-page-size-name-legal = Legal\npdfjs-document-properties-page-size-dimension-string = { $width } \xD7 { $height } { $unit } ({ $orientation })\npdfjs-document-properties-page-size-dimension-name-string = { $width } \xD7 { $height } { $unit } ({ $name }, { $orientation })\npdfjs-document-properties-linearized = Fast Web View:\npdfjs-document-properties-linearized-yes = Yes\npdfjs-document-properties-linearized-no = No\npdfjs-document-properties-close-button = Close\npdfjs-print-progress-message = Preparing document for printing\u2026\npdfjs-print-progress-percent = { $progress }%\npdfjs-print-progress-close-button = Cancel\npdfjs-printing-not-supported = Warning: Printing is not fully supported by this browser.\npdfjs-printing-not-ready = Warning: The PDF is not fully loaded for printing.\npdfjs-toggle-sidebar-button =\n .title = Toggle Sidebar\npdfjs-toggle-sidebar-notification-button =\n .title = Toggle Sidebar (document contains outline/attachments/layers)\npdfjs-toggle-sidebar-button-label = Toggle Sidebar\npdfjs-document-outline-button =\n .title = Show Document Outline (double-click to expand/collapse all items)\npdfjs-document-outline-button-label = Document Outline\npdfjs-attachments-button =\n .title = Show Attachments\npdfjs-attachments-button-label = Attachments\npdfjs-layers-button =\n .title = Show Layers (double-click to reset all layers to the default state)\npdfjs-layers-button-label = Layers\npdfjs-thumbs-button =\n .title = Show Thumbnails\npdfjs-thumbs-button-label = Thumbnails\npdfjs-current-outline-item-button =\n .title = Find Current Outline Item\npdfjs-current-outline-item-button-label = Current Outline Item\npdfjs-findbar-button =\n .title = Find in Document\npdfjs-findbar-button-label = Find\npdfjs-additional-layers = Additional Layers\npdfjs-thumb-page-title =\n .title = Page { $page }\npdfjs-thumb-page-canvas =\n .aria-label = Thumbnail of Page { $page }\npdfjs-find-input =\n .title = Find\n .placeholder = Find in document\u2026\npdfjs-find-previous-button =\n .title = Find the previous occurrence of the phrase\npdfjs-find-previous-button-label = Previous\npdfjs-find-next-button =\n .title = Find the next occurrence of the phrase\npdfjs-find-next-button-label = Next\npdfjs-find-highlight-checkbox = Highlight All\npdfjs-find-match-case-checkbox-label = Match Case\npdfjs-find-match-diacritics-checkbox-label = Match Diacritics\npdfjs-find-entire-word-checkbox-label = Whole Words\npdfjs-find-reached-top = Reached top of document, continued from bottom\npdfjs-find-reached-bottom = Reached end of document, continued from top\npdfjs-find-match-count =\n { $total ->\n [one] { $current } of { $total } match\n *[other] { $current } of { $total } matches\n }\npdfjs-find-match-count-limit =\n { $limit ->\n [one] More than { $limit } match\n *[other] More than { $limit } matches\n }\npdfjs-find-not-found = Phrase not found\npdfjs-page-scale-width = Page Width\npdfjs-page-scale-fit = Page Fit\npdfjs-page-scale-auto = Automatic Zoom\npdfjs-page-scale-actual = Actual Size\npdfjs-page-scale-percent = { $scale }%\npdfjs-page-landmark =\n .aria-label = Page { $page }\npdfjs-loading-error = An error occurred while loading the PDF.\npdfjs-invalid-file-error = Invalid or corrupted PDF file.\npdfjs-missing-file-error = Missing PDF file.\npdfjs-unexpected-response-error = Unexpected server response.\npdfjs-rendering-error = An error occurred while rendering the page.\npdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: \"short\", timeStyle: \"medium\") }\npdfjs-text-annotation-type =\n .alt = [{ $type } Annotation]\npdfjs-password-label = Enter the password to open this PDF file.\npdfjs-password-invalid = Invalid password. Please try again.\npdfjs-password-ok-button = OK\npdfjs-password-cancel-button = Cancel\npdfjs-web-fonts-disabled = Web fonts are disabled: unable to use embedded PDF fonts.\npdfjs-editor-free-text-button =\n .title = Text\npdfjs-editor-color-picker-free-text-input =\n .title = Change text color\npdfjs-editor-free-text-button-label = Text\npdfjs-editor-ink-button =\n .title = Draw\npdfjs-editor-color-picker-ink-input =\n .title = Change drawing color\npdfjs-editor-ink-button-label = Draw\npdfjs-editor-stamp-button =\n .title = Add or edit images\npdfjs-editor-stamp-button-label = Add or edit images\npdfjs-editor-highlight-button =\n .title = Highlight\npdfjs-editor-highlight-button-label = Highlight\npdfjs-highlight-floating-button1 =\n .title = Highlight\n .aria-label = Highlight\npdfjs-highlight-floating-button-label = Highlight\npdfjs-comment-floating-button =\n .title = Comment\n .aria-label = Comment\npdfjs-comment-floating-button-label = Comment\npdfjs-editor-comment-button =\n .title = Comment\n .aria-label = Comment\npdfjs-editor-comment-button-label = Comment\npdfjs-editor-signature-button =\n .title = Add signature\npdfjs-editor-signature-button-label = Add signature\npdfjs-editor-highlight-editor =\n .aria-label = Highlight editor\npdfjs-editor-ink-editor =\n .aria-label = Drawing editor\npdfjs-editor-signature-editor1 =\n .aria-description = Signature editor: { $description }\npdfjs-editor-stamp-editor =\n .aria-label = Image editor\npdfjs-editor-remove-ink-button =\n .title = Remove drawing\npdfjs-editor-remove-freetext-button =\n .title = Remove text\npdfjs-editor-remove-stamp-button =\n .title = Remove image\npdfjs-editor-remove-highlight-button =\n .title = Remove highlight\npdfjs-editor-remove-signature-button =\n .title = Remove signature\npdfjs-editor-free-text-color-input = Color\npdfjs-editor-free-text-size-input = Size\npdfjs-editor-ink-color-input = Color\npdfjs-editor-ink-thickness-input = Thickness\npdfjs-editor-ink-opacity-input = Opacity\npdfjs-editor-stamp-add-image-button =\n .title = Add image\npdfjs-editor-stamp-add-image-button-label = Add image\npdfjs-editor-free-highlight-thickness-input = Thickness\npdfjs-editor-free-highlight-thickness-title =\n .title = Change thickness when highlighting items other than text\npdfjs-editor-add-signature-container =\n .aria-label = Signature controls and saved signatures\npdfjs-editor-signature-add-signature-button =\n .title = Add new signature\npdfjs-editor-signature-add-signature-button-label = Add new signature\npdfjs-editor-add-saved-signature-button =\n .title = Saved signature: { $description }\npdfjs-free-text2 =\n .aria-label = Text Editor\n .default-content = Start typing\u2026\npdfjs-editor-comments-sidebar-title =\n { $count ->\n [one] Comment\n *[other] Comments\n }\npdfjs-editor-comments-sidebar-close-button =\n .title = Close the sidebar\n .aria-label = Close the sidebar\npdfjs-editor-comments-sidebar-close-button-label = Close the sidebar\npdfjs-editor-comments-sidebar-no-comments1 = See something noteworthy? Highlight it and leave a comment.\npdfjs-editor-comments-sidebar-no-comments-link = Learn more\npdfjs-editor-alt-text-button =\n .aria-label = Alt text\npdfjs-editor-alt-text-button-label = Alt text\npdfjs-editor-alt-text-edit-button =\n .aria-label = Edit alt text\npdfjs-editor-alt-text-dialog-label = Choose an option\npdfjs-editor-alt-text-dialog-description = Alt text (alternative text) helps when people can\u2019t see the image or when it doesn\u2019t load.\npdfjs-editor-alt-text-add-description-label = Add a description\npdfjs-editor-alt-text-add-description-description = Aim for 1-2 sentences that describe the subject, setting, or actions.\npdfjs-editor-alt-text-mark-decorative-label = Mark as decorative\npdfjs-editor-alt-text-mark-decorative-description = This is used for ornamental images, like borders or watermarks.\npdfjs-editor-alt-text-cancel-button = Cancel\npdfjs-editor-alt-text-save-button = Save\npdfjs-editor-alt-text-decorative-tooltip = Marked as decorative\npdfjs-editor-alt-text-textarea =\n .placeholder = For example, \u201CA young man sits down at a table to eat a meal\u201D\npdfjs-editor-resizer-top-left =\n .aria-label = Top left corner \u2014 resize\npdfjs-editor-resizer-top-middle =\n .aria-label = Top middle \u2014 resize\npdfjs-editor-resizer-top-right =\n .aria-label = Top right corner \u2014 resize\npdfjs-editor-resizer-middle-right =\n .aria-label = Middle right \u2014 resize\npdfjs-editor-resizer-bottom-right =\n .aria-label = Bottom right corner \u2014 resize\npdfjs-editor-resizer-bottom-middle =\n .aria-label = Bottom middle \u2014 resize\npdfjs-editor-resizer-bottom-left =\n .aria-label = Bottom left corner \u2014 resize\npdfjs-editor-resizer-middle-left =\n .aria-label = Middle left \u2014 resize\npdfjs-editor-highlight-colorpicker-label = Highlight color\npdfjs-editor-colorpicker-button =\n .title = Change color\npdfjs-editor-colorpicker-dropdown =\n .aria-label = Color choices\npdfjs-editor-colorpicker-yellow =\n .title = Yellow\npdfjs-editor-colorpicker-green =\n .title = Green\npdfjs-editor-colorpicker-blue =\n .title = Blue\npdfjs-editor-colorpicker-pink =\n .title = Pink\npdfjs-editor-colorpicker-red =\n .title = Red\npdfjs-editor-highlight-show-all-button-label = Show all\npdfjs-editor-highlight-show-all-button =\n .title = Show all\npdfjs-editor-new-alt-text-dialog-edit-label = Edit alt text (image description)\npdfjs-editor-new-alt-text-dialog-add-label = Add alt text (image description)\npdfjs-editor-new-alt-text-textarea =\n .placeholder = Write your description here\u2026\npdfjs-editor-new-alt-text-description = Short description for people who can\u2019t see the image or when the image doesn\u2019t load.\npdfjs-editor-new-alt-text-disclaimer1 = This alt text was created automatically and may be inaccurate.\npdfjs-editor-new-alt-text-disclaimer-learn-more-url = Learn more\npdfjs-editor-new-alt-text-create-automatically-button-label = Create alt text automatically\npdfjs-editor-new-alt-text-not-now-button = Not now\npdfjs-editor-new-alt-text-error-title = Couldn\u2019t create alt text automatically\npdfjs-editor-new-alt-text-error-description = Please write your own alt text or try again later.\npdfjs-editor-new-alt-text-error-close-button = Close\npdfjs-editor-new-alt-text-ai-model-downloading-progress = Downloading alt text AI model ({ $downloadedSize } of { $totalSize } MB)\n .aria-valuetext = Downloading alt text AI model ({ $downloadedSize } of { $totalSize } MB)\npdfjs-editor-new-alt-text-added-button =\n .aria-label = Alt text added\npdfjs-editor-new-alt-text-added-button-label = Alt text added\npdfjs-editor-new-alt-text-missing-button =\n .aria-label = Missing alt text\npdfjs-editor-new-alt-text-missing-button-label = Missing alt text\npdfjs-editor-new-alt-text-to-review-button =\n .aria-label = Review alt text\npdfjs-editor-new-alt-text-to-review-button-label = Review alt text\npdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Created automatically: { $generatedAltText }\npdfjs-image-alt-text-settings-button =\n .title = Image alt text settings\npdfjs-image-alt-text-settings-button-label = Image alt text settings\npdfjs-editor-alt-text-settings-dialog-label = Image alt text settings\npdfjs-editor-alt-text-settings-automatic-title = Automatic alt text\npdfjs-editor-alt-text-settings-create-model-button-label = Create alt text automatically\npdfjs-editor-alt-text-settings-create-model-description = Suggests descriptions to help people who can\u2019t see the image or when the image doesn\u2019t load.\npdfjs-editor-alt-text-settings-download-model-label = Alt text AI model ({ $totalSize } MB)\npdfjs-editor-alt-text-settings-ai-model-description = Runs locally on your device so your data stays private. Required for automatic alt text.\npdfjs-editor-alt-text-settings-delete-model-button = Delete\npdfjs-editor-alt-text-settings-download-model-button = Download\npdfjs-editor-alt-text-settings-downloading-model-button = Downloading\u2026\npdfjs-editor-alt-text-settings-editor-title = Alt text editor\npdfjs-editor-alt-text-settings-show-dialog-button-label = Show alt text editor right away when adding an image\npdfjs-editor-alt-text-settings-show-dialog-description = Helps you make sure all your images have alt text.\npdfjs-editor-alt-text-settings-close-button = Close\npdfjs-editor-highlight-added-alert = Highlight added\npdfjs-editor-freetext-added-alert = Text added\npdfjs-editor-ink-added-alert = Drawing added\npdfjs-editor-stamp-added-alert = Image added\npdfjs-editor-signature-added-alert = Signature added\npdfjs-editor-undo-bar-message-highlight = Highlight removed\npdfjs-editor-undo-bar-message-freetext = Text removed\npdfjs-editor-undo-bar-message-ink = Drawing removed\npdfjs-editor-undo-bar-message-stamp = Image removed\npdfjs-editor-undo-bar-message-signature = Signature removed\npdfjs-editor-undo-bar-message-multiple =\n { $count ->\n [one] { $count } annotation removed\n *[other] { $count } annotations removed\n }\npdfjs-editor-undo-bar-undo-button =\n .title = Undo\npdfjs-editor-undo-bar-undo-button-label = Undo\npdfjs-editor-undo-bar-close-button =\n .title = Close\npdfjs-editor-undo-bar-close-button-label = Close\npdfjs-editor-add-signature-dialog-label = This modal allows the user to create a signature to add to a PDF document. The user can edit the name (which also serves as the alt text), and optionally save the signature for repeated use.\npdfjs-editor-add-signature-dialog-title = Add a signature\npdfjs-editor-add-signature-type-button = Type\n .title = Type\npdfjs-editor-add-signature-draw-button = Draw\n .title = Draw\npdfjs-editor-add-signature-image-button = Image\n .title = Image\npdfjs-editor-add-signature-type-input =\n .aria-label = Type your signature\n .placeholder = Type your signature\npdfjs-editor-add-signature-draw-placeholder = Draw your signature\npdfjs-editor-add-signature-draw-thickness-range-label = Thickness\npdfjs-editor-add-signature-draw-thickness-range =\n .title = Drawing thickness: { $thickness }\npdfjs-editor-add-signature-image-placeholder = Drag a file here to upload\npdfjs-editor-add-signature-image-browse-link =\n { PLATFORM() ->\n [macos] Or choose image files\n *[other] Or browse image files\n }\npdfjs-editor-add-signature-description-label = Description (alt text)\npdfjs-editor-add-signature-description-input =\n .title = Description (alt text)\npdfjs-editor-add-signature-description-default-when-drawing = Signature\npdfjs-editor-add-signature-clear-button-label = Clear signature\npdfjs-editor-add-signature-clear-button =\n .title = Clear signature\npdfjs-editor-add-signature-save-checkbox = Save signature\npdfjs-editor-add-signature-save-warning-message = You\u2019ve reached the limit of 5 saved signatures. Remove one to save more.\npdfjs-editor-add-signature-image-upload-error-title = Couldn\u2019t upload image\npdfjs-editor-add-signature-image-upload-error-description = Check your network connection or try another image.\npdfjs-editor-add-signature-image-no-data-error-title = Can\u2019t convert this image into a signature\npdfjs-editor-add-signature-image-no-data-error-description = Please try uploading a different image.\npdfjs-editor-add-signature-error-close-button = Close\npdfjs-editor-add-signature-cancel-button = Cancel\npdfjs-editor-add-signature-add-button = Add\npdfjs-editor-delete-signature-button1 =\n .title = Remove saved signature\npdfjs-editor-delete-signature-button-label1 = Remove saved signature\npdfjs-editor-add-signature-edit-button-label = Edit description\npdfjs-editor-edit-signature-dialog-title = Edit description\npdfjs-editor-edit-signature-update-button = Update\npdfjs-show-comment-button =\n .title = Show comment\npdfjs-editor-edit-comment-popup-button-label = Edit comment\npdfjs-editor-edit-comment-popup-button =\n .title = Edit comment\npdfjs-editor-delete-comment-popup-button-label = Remove comment\npdfjs-editor-delete-comment-popup-button =\n .title = Remove comment\npdfjs-editor-edit-comment-dialog-title-when-editing = Edit comment\npdfjs-editor-edit-comment-dialog-save-button-when-editing = Update\npdfjs-editor-edit-comment-dialog-title-when-adding = Add comment\npdfjs-editor-edit-comment-dialog-save-button-when-adding = Add\npdfjs-editor-edit-comment-dialog-text-input =\n .placeholder = Start typing\u2026\npdfjs-editor-edit-comment-dialog-cancel-button = Cancel\npdfjs-editor-edit-comment-button =\n .title = Edit comment";
+ return createBundle(lang, text);
+ }
+}
+
+;// ./web/generic_scripting.js
+
+async function docProperties(pdfDocument) {
+ const url = "",
+ baseUrl = "";
+ const {
+ info,
+ metadata,
+ contentDispositionFilename,
+ contentLength
+ } = await pdfDocument.getMetadata();
+ return {
+ ...info,
+ baseURL: baseUrl,
+ filesize: contentLength || (await pdfDocument.getDownloadInfo()).length,
+ filename: contentDispositionFilename || getPdfFilenameFromUrl(url),
+ metadata: metadata?.getRaw(),
+ authors: metadata?.get("dc:creator"),
+ numPages: pdfDocument.numPages,
+ URL: url
+ };
+}
+class GenericScripting {
+ constructor(sandboxBundleSrc) {
+ this._ready = new Promise((resolve, reject) => {
+ const sandbox = import(
+ /*webpackIgnore: true*/
+ /*@vite-ignore*/
+ sandboxBundleSrc);
+ sandbox.then(pdfjsSandbox => {
+ resolve(pdfjsSandbox.QuickJSSandbox());
+ }).catch(reject);
+ });
+ }
+ async createSandbox(data) {
+ const sandbox = await this._ready;
+ sandbox.create(data);
+ }
+ async dispatchEventInSandbox(event) {
+ const sandbox = await this._ready;
+ setTimeout(() => sandbox.dispatchEvent(event), 0);
+ }
+ async destroySandbox() {
+ const sandbox = await this._ready;
+ sandbox.nukeSandbox();
+ }
+}
+
+;// ./web/generic_signature_storage.js
+
+const KEY_STORAGE = "pdfjs.signature";
+class SignatureStorage {
+ #eventBus;
+ #signatures = null;
+ #signal = null;
+ constructor(eventBus, signal) {
+ this.#eventBus = eventBus;
+ this.#signal = signal;
+ }
+ #save() {
+ localStorage.setItem(KEY_STORAGE, JSON.stringify(Object.fromEntries(this.#signatures)));
+ }
+ async getAll() {
+ if (this.#signal) {
+ window.addEventListener("storage", ({
+ key
+ }) => {
+ if (key === KEY_STORAGE) {
+ this.#signatures = null;
+ this.#eventBus?.dispatch("storedsignatureschanged", {
+ source: this
+ });
+ }
+ }, {
+ signal: this.#signal
+ });
+ this.#signal = null;
+ }
+ if (!this.#signatures) {
+ this.#signatures = new Map();
+ const data = localStorage.getItem(KEY_STORAGE);
+ if (data) {
+ for (const [key, value] of Object.entries(JSON.parse(data))) {
+ this.#signatures.set(key, value);
+ }
+ }
+ }
+ return this.#signatures;
+ }
+ async isFull() {
+ return (await this.size()) === 5;
+ }
+ async size() {
+ return (await this.getAll()).size;
+ }
+ async create(data) {
+ if (await this.isFull()) {
+ return null;
+ }
+ const uuid = getUuid();
+ this.#signatures.set(uuid, data);
+ this.#save();
+ return uuid;
+ }
+ async delete(uuid) {
+ const signatures = await this.getAll();
+ if (!signatures.has(uuid)) {
+ return false;
+ }
+ signatures.delete(uuid);
+ this.#save();
+ return true;
+ }
+}
+
+;// ./web/genericcom.js
+
+
+
+
+
+
+function initCom(app) {}
+class Preferences extends BasePreferences {
+ async _writeToStorage(prefObj) {
+ localStorage.setItem("pdfjs.preferences", JSON.stringify(prefObj));
+ }
+ async _readFromStorage(prefObj) {
+ return {
+ prefs: JSON.parse(localStorage.getItem("pdfjs.preferences"))
+ };
+ }
+}
+class ExternalServices extends BaseExternalServices {
+ async createL10n() {
+ return new genericl10n_GenericL10n(AppOptions.get("localeProperties")?.lang);
+ }
+ createScripting() {
+ return new GenericScripting(AppOptions.get("sandboxBundleSrc"));
+ }
+ createSignatureStorage(eventBus, signal) {
+ return new SignatureStorage(eventBus, signal);
+ }
+}
+class MLManager {
+ async isEnabledFor(_name) {
+ return false;
+ }
+ async deleteModel(_service) {
+ return null;
+ }
+ isReady(_name) {
+ return false;
+ }
+ guess(_data) {}
+ toggleService(_name, _enabled) {}
+}
+
+;// ./web/new_alt_text_manager.js
+
+class NewAltTextManager {
+ #boundCancel = this.#cancel.bind(this);
+ #createAutomaticallyButton;
+ #currentEditor = null;
+ #cancelButton;
+ #descriptionContainer;
+ #dialog;
+ #disclaimer;
+ #downloadModel;
+ #downloadModelDescription;
+ #eventBus;
+ #firstTime = false;
+ #guessedAltText;
+ #hasAI = null;
+ #isEditing = null;
+ #imagePreview;
+ #imageData;
+ #isAILoading = false;
+ #wasAILoading = false;
+ #learnMore;
+ #notNowButton;
+ #overlayManager;
+ #textarea;
+ #title;
+ #uiManager;
+ #previousAltText = null;
+ constructor({
+ descriptionContainer,
+ dialog,
+ imagePreview,
+ cancelButton,
+ disclaimer,
+ notNowButton,
+ saveButton,
+ textarea,
+ learnMore,
+ errorCloseButton,
+ createAutomaticallyButton,
+ downloadModel,
+ downloadModelDescription,
+ title
+ }, overlayManager, eventBus) {
+ this.#cancelButton = cancelButton;
+ this.#createAutomaticallyButton = createAutomaticallyButton;
+ this.#descriptionContainer = descriptionContainer;
+ this.#dialog = dialog;
+ this.#disclaimer = disclaimer;
+ this.#notNowButton = notNowButton;
+ this.#imagePreview = imagePreview;
+ this.#textarea = textarea;
+ this.#learnMore = learnMore;
+ this.#title = title;
+ this.#downloadModel = downloadModel;
+ this.#downloadModelDescription = downloadModelDescription;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", event => {
+ if (event.target !== this.#textarea) {
+ event.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", this.#boundCancel);
+ notNowButton.addEventListener("click", this.#boundCancel);
+ saveButton.addEventListener("click", this.#save.bind(this));
+ errorCloseButton.addEventListener("click", () => {
+ this.#toggleError(false);
+ });
+ createAutomaticallyButton.addEventListener("click", async () => {
+ const checked = createAutomaticallyButton.getAttribute("aria-pressed") !== "true";
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.ai_generation_check",
+ data: {
+ status: checked
+ }
+ });
+ if (this.#uiManager) {
+ this.#uiManager.setPreference("enableGuessAltText", checked);
+ await this.#uiManager.mlManager.toggleService("altText", checked);
+ }
+ this.#toggleGuessAltText(checked, false);
+ });
+ textarea.addEventListener("focus", () => {
+ this.#wasAILoading = this.#isAILoading;
+ this.#toggleLoading(false);
+ this.#toggleTitleAndDisclaimer();
+ });
+ textarea.addEventListener("blur", () => {
+ if (!textarea.value) {
+ this.#toggleLoading(this.#wasAILoading);
+ }
+ this.#toggleTitleAndDisclaimer();
+ });
+ textarea.addEventListener("input", () => {
+ this.#toggleTitleAndDisclaimer();
+ });
+ eventBus._on("enableguessalttext", ({
+ value
+ }) => {
+ this.#toggleGuessAltText(value, false);
+ });
+ this.#overlayManager.register(dialog);
+ this.#learnMore.addEventListener("click", () => {
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.info",
+ data: {
+ topic: "alt_text"
+ }
+ });
+ });
+ }
+ #toggleLoading(value) {
+ if (!this.#uiManager || this.#isAILoading === value) {
+ return;
+ }
+ this.#isAILoading = value;
+ this.#descriptionContainer.classList.toggle("loading", value);
+ }
+ #toggleError(value) {
+ if (!this.#uiManager) {
+ return;
+ }
+ this.#dialog.classList.toggle("error", value);
+ }
+ async #toggleGuessAltText(value, isInitial = false) {
+ if (!this.#uiManager) {
+ return;
+ }
+ this.#dialog.classList.toggle("aiDisabled", !value);
+ this.#createAutomaticallyButton.setAttribute("aria-pressed", value);
+ if (value) {
+ const {
+ altTextLearnMoreUrl
+ } = this.#uiManager.mlManager;
+ if (altTextLearnMoreUrl) {
+ this.#learnMore.href = altTextLearnMoreUrl;
+ }
+ this.#mlGuessAltText(isInitial);
+ } else {
+ this.#toggleLoading(false);
+ this.#isAILoading = false;
+ this.#toggleTitleAndDisclaimer();
+ }
+ }
+ #toggleNotNow() {
+ this.#notNowButton.classList.toggle("hidden", !this.#firstTime);
+ this.#cancelButton.classList.toggle("hidden", this.#firstTime);
+ }
+ #toggleAI(value) {
+ if (!this.#uiManager || this.#hasAI === value) {
+ return;
+ }
+ this.#hasAI = value;
+ this.#dialog.classList.toggle("noAi", !value);
+ this.#toggleTitleAndDisclaimer();
+ }
+ #toggleTitleAndDisclaimer() {
+ const visible = this.#isAILoading || this.#guessedAltText && this.#guessedAltText === this.#textarea.value;
+ this.#disclaimer.hidden = !visible;
+ const isEditing = this.#isAILoading || !!this.#textarea.value;
+ if (this.#isEditing === isEditing) {
+ return;
+ }
+ this.#isEditing = isEditing;
+ this.#title.setAttribute("data-l10n-id", isEditing ? "pdfjs-editor-new-alt-text-dialog-edit-label" : "pdfjs-editor-new-alt-text-dialog-add-label");
+ }
+ async #mlGuessAltText(isInitial) {
+ if (this.#isAILoading) {
+ return;
+ }
+ if (this.#textarea.value) {
+ return;
+ }
+ if (isInitial && this.#previousAltText !== null) {
+ return;
+ }
+ this.#guessedAltText = this.#currentEditor.guessedAltText;
+ if (this.#previousAltText === null && this.#guessedAltText) {
+ this.#addAltText(this.#guessedAltText);
+ return;
+ }
+ this.#toggleLoading(true);
+ this.#toggleTitleAndDisclaimer();
+ let hasError = false;
+ try {
+ const altText = await this.#currentEditor.mlGuessAltText(this.#imageData, false);
+ if (altText) {
+ this.#guessedAltText = altText;
+ this.#wasAILoading = this.#isAILoading;
+ if (this.#isAILoading) {
+ this.#addAltText(altText);
+ }
+ }
+ } catch (e) {
+ console.error(e);
+ hasError = true;
+ }
+ this.#toggleLoading(false);
+ this.#toggleTitleAndDisclaimer();
+ if (hasError && this.#uiManager) {
+ this.#toggleError(true);
+ }
+ }
+ #addAltText(altText) {
+ if (!this.#uiManager || this.#textarea.value) {
+ return;
+ }
+ this.#textarea.value = altText;
+ this.#toggleTitleAndDisclaimer();
+ }
+ #setProgress() {
+ this.#downloadModel.classList.toggle("hidden", false);
+ const callback = async ({
+ detail: {
+ finished,
+ total,
+ totalLoaded
+ }
+ }) => {
+ const ONE_MEGA_BYTES = 1e6;
+ totalLoaded = Math.min(0.99 * total, totalLoaded);
+ const totalSize = this.#downloadModelDescription.ariaValueMax = Math.round(total / ONE_MEGA_BYTES);
+ const downloadedSize = this.#downloadModelDescription.ariaValueNow = Math.round(totalLoaded / ONE_MEGA_BYTES);
+ this.#downloadModelDescription.setAttribute("data-l10n-args", JSON.stringify({
+ totalSize,
+ downloadedSize
+ }));
+ if (!finished) {
+ return;
+ }
+ this.#eventBus._off("loadaiengineprogress", callback);
+ this.#downloadModel.classList.toggle("hidden", true);
+ this.#toggleAI(true);
+ if (!this.#uiManager) {
+ return;
+ }
+ const {
+ mlManager
+ } = this.#uiManager;
+ mlManager.toggleService("altText", true);
+ this.#toggleGuessAltText(await mlManager.isEnabledFor("altText"), true);
+ };
+ this.#eventBus._on("loadaiengineprogress", callback);
+ }
+ async editAltText(uiManager, editor, firstTime) {
+ if (this.#currentEditor || !editor) {
+ return;
+ }
+ if (firstTime && editor.hasAltTextData()) {
+ editor.altTextFinish();
+ return;
+ }
+ this.#firstTime = firstTime;
+ let {
+ mlManager
+ } = uiManager;
+ let hasAI = !!mlManager;
+ this.#toggleTitleAndDisclaimer();
+ if (mlManager && !mlManager.isReady("altText")) {
+ hasAI = false;
+ if (mlManager.hasProgress) {
+ this.#setProgress();
+ } else {
+ mlManager = null;
+ }
+ } else {
+ this.#downloadModel.classList.toggle("hidden", true);
+ }
+ const isAltTextEnabledPromise = mlManager?.isEnabledFor("altText");
+ this.#currentEditor = editor;
+ this.#uiManager = uiManager;
+ this.#uiManager.removeEditListeners();
+ ({
+ altText: this.#previousAltText
+ } = editor.altTextData);
+ this.#textarea.value = this.#previousAltText ?? "";
+ const AI_MAX_IMAGE_DIMENSION = 224;
+ const MAX_PREVIEW_DIMENSION = 180;
+ let canvas, width, height;
+ if (mlManager) {
+ ({
+ canvas,
+ width,
+ height,
+ imageData: this.#imageData
+ } = editor.copyCanvas(AI_MAX_IMAGE_DIMENSION, MAX_PREVIEW_DIMENSION, true));
+ if (hasAI) {
+ this.#toggleGuessAltText(await isAltTextEnabledPromise, true);
+ }
+ } else {
+ ({
+ canvas,
+ width,
+ height
+ } = editor.copyCanvas(AI_MAX_IMAGE_DIMENSION, MAX_PREVIEW_DIMENSION, false));
+ }
+ canvas.setAttribute("role", "presentation");
+ const {
+ style
+ } = canvas;
+ style.width = `${width}px`;
+ style.height = `${height}px`;
+ this.#imagePreview.append(canvas);
+ this.#toggleNotNow();
+ this.#toggleAI(hasAI);
+ this.#toggleError(false);
+ try {
+ await this.#overlayManager.open(this.#dialog);
+ } catch (ex) {
+ this.#close();
+ throw ex;
+ }
+ }
+ #cancel() {
+ this.#currentEditor.altTextData = {
+ cancel: true
+ };
+ const altText = this.#textarea.value.trim();
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.dismiss",
+ data: {
+ alt_text_type: altText ? "present" : "empty",
+ flow: this.#firstTime ? "image_add" : "alt_text_edit"
+ }
+ });
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.image_added",
+ data: {
+ alt_text_modal: true,
+ alt_text_type: "skipped"
+ }
+ });
+ this.#finish();
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ const canvas = this.#imagePreview.firstChild;
+ canvas.remove();
+ canvas.width = canvas.height = 0;
+ this.#imageData = null;
+ this.#toggleLoading(false);
+ this.#uiManager?.addEditListeners();
+ this.#currentEditor.altTextFinish();
+ this.#uiManager?.setSelected(this.#currentEditor);
+ this.#currentEditor = null;
+ this.#uiManager = null;
+ }
+ #extractWords(text) {
+ return new Set(text.toLowerCase().split(/[^\p{L}\p{N}]+/gu).filter(x => !!x));
+ }
+ #save() {
+ const altText = this.#textarea.value.trim();
+ this.#currentEditor.altTextData = {
+ altText,
+ decorative: false
+ };
+ this.#currentEditor.altTextData.guessedAltText = this.#guessedAltText;
+ if (this.#guessedAltText && this.#guessedAltText !== altText) {
+ const guessedWords = this.#extractWords(this.#guessedAltText);
+ const words = this.#extractWords(altText);
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.user_edit",
+ data: {
+ total_words: guessedWords.size,
+ words_removed: guessedWords.difference(words).size,
+ words_added: words.difference(guessedWords).size
+ }
+ });
+ }
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.image_added",
+ data: {
+ alt_text_modal: true,
+ alt_text_type: altText ? "present" : "empty"
+ }
+ });
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.save",
+ data: {
+ alt_text_type: altText ? "present" : "empty",
+ flow: this.#firstTime ? "image_add" : "alt_text_edit"
+ }
+ });
+ this.#finish();
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#finish();
+ }
+}
+class ImageAltTextSettings {
+ #aiModelSettings;
+ #createModelButton;
+ #downloadModelButton;
+ #dialog;
+ #eventBus;
+ #mlManager;
+ #overlayManager;
+ #showAltTextDialogButton;
+ constructor({
+ dialog,
+ createModelButton,
+ aiModelSettings,
+ learnMore,
+ closeButton,
+ deleteModelButton,
+ downloadModelButton,
+ showAltTextDialogButton
+ }, overlayManager, eventBus, mlManager) {
+ this.#dialog = dialog;
+ this.#aiModelSettings = aiModelSettings;
+ this.#createModelButton = createModelButton;
+ this.#downloadModelButton = downloadModelButton;
+ this.#showAltTextDialogButton = showAltTextDialogButton;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ this.#mlManager = mlManager;
+ const {
+ altTextLearnMoreUrl
+ } = mlManager;
+ if (altTextLearnMoreUrl) {
+ learnMore.href = altTextLearnMoreUrl;
+ }
+ dialog.addEventListener("contextmenu", noContextMenu);
+ createModelButton.addEventListener("click", async e => {
+ const checked = this.#togglePref("enableGuessAltText", e);
+ await mlManager.toggleService("altText", checked);
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.settings_ai_generation_check",
+ data: {
+ status: checked
+ }
+ });
+ });
+ showAltTextDialogButton.addEventListener("click", e => {
+ const checked = this.#togglePref("enableNewAltTextWhenAddingImage", e);
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.settings_edit_alt_text_check",
+ data: {
+ status: checked
+ }
+ });
+ });
+ deleteModelButton.addEventListener("click", this.#delete.bind(this, true));
+ downloadModelButton.addEventListener("click", this.#download.bind(this, true));
+ closeButton.addEventListener("click", this.#finish.bind(this));
+ learnMore.addEventListener("click", () => {
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.info",
+ data: {
+ topic: "ai_generation"
+ }
+ });
+ });
+ eventBus._on("enablealttextmodeldownload", ({
+ value
+ }) => {
+ if (value) {
+ this.#download(false);
+ } else {
+ this.#delete(false);
+ }
+ });
+ this.#overlayManager.register(dialog);
+ }
+ #reportTelemetry(data) {
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "editing",
+ data
+ }
+ });
+ }
+ async #download(isFromUI = false) {
+ if (isFromUI) {
+ this.#downloadModelButton.disabled = true;
+ const span = this.#downloadModelButton.firstChild;
+ span.setAttribute("data-l10n-id", "pdfjs-editor-alt-text-settings-downloading-model-button");
+ await this.#mlManager.downloadModel("altText");
+ span.setAttribute("data-l10n-id", "pdfjs-editor-alt-text-settings-download-model-button");
+ this.#createModelButton.disabled = false;
+ this.#setPref("enableGuessAltText", true);
+ this.#mlManager.toggleService("altText", true);
+ this.#setPref("enableAltTextModelDownload", true);
+ this.#downloadModelButton.disabled = false;
+ }
+ this.#aiModelSettings.classList.toggle("download", false);
+ this.#createModelButton.setAttribute("aria-pressed", true);
+ }
+ async #delete(isFromUI = false) {
+ if (isFromUI) {
+ await this.#mlManager.deleteModel("altText");
+ this.#setPref("enableGuessAltText", false);
+ this.#setPref("enableAltTextModelDownload", false);
+ }
+ this.#aiModelSettings.classList.toggle("download", true);
+ this.#createModelButton.disabled = true;
+ this.#createModelButton.setAttribute("aria-pressed", false);
+ }
+ async open({
+ enableGuessAltText,
+ enableNewAltTextWhenAddingImage
+ }) {
+ const {
+ enableAltTextModelDownload
+ } = this.#mlManager;
+ this.#createModelButton.disabled = !enableAltTextModelDownload;
+ this.#createModelButton.setAttribute("aria-pressed", enableAltTextModelDownload && enableGuessAltText);
+ this.#showAltTextDialogButton.setAttribute("aria-pressed", enableNewAltTextWhenAddingImage);
+ this.#aiModelSettings.classList.toggle("download", !enableAltTextModelDownload);
+ await this.#overlayManager.open(this.#dialog);
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.settings_displayed"
+ });
+ }
+ #togglePref(name, {
+ target
+ }) {
+ const checked = target.getAttribute("aria-pressed") !== "true";
+ this.#setPref(name, checked);
+ target.setAttribute("aria-pressed", checked);
+ return checked;
+ }
+ #setPref(name, value) {
+ this.#eventBus.dispatch("setpreference", {
+ source: this,
+ name,
+ value
+ });
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+}
+
+;// ./web/alt_text_manager.js
+
+class AltTextManager {
+ #clickAC = null;
+ #currentEditor = null;
+ #cancelButton;
+ #dialog;
+ #eventBus;
+ #hasUsedPointer = false;
+ #optionDescription;
+ #optionDecorative;
+ #overlayManager;
+ #saveButton;
+ #textarea;
+ #uiManager;
+ #previousAltText = null;
+ #resizeAC = null;
+ #svgElement = null;
+ #rectElement = null;
+ #container;
+ #telemetryData = null;
+ constructor({
+ dialog,
+ optionDescription,
+ optionDecorative,
+ textarea,
+ cancelButton,
+ saveButton
+ }, container, overlayManager, eventBus) {
+ this.#dialog = dialog;
+ this.#optionDescription = optionDescription;
+ this.#optionDecorative = optionDecorative;
+ this.#textarea = textarea;
+ this.#cancelButton = cancelButton;
+ this.#saveButton = saveButton;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ this.#container = container;
+ const onUpdateUIState = this.#updateUIState.bind(this);
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", event => {
+ if (event.target !== this.#textarea) {
+ event.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", this.#finish.bind(this));
+ saveButton.addEventListener("click", this.#save.bind(this));
+ optionDescription.addEventListener("change", onUpdateUIState);
+ optionDecorative.addEventListener("change", onUpdateUIState);
+ this.#overlayManager.register(dialog);
+ }
+ #createSVGElement() {
+ if (this.#svgElement) {
+ return;
+ }
+ const svgFactory = new DOMSVGFactory();
+ const svg = this.#svgElement = svgFactory.createElement("svg");
+ svg.setAttribute("width", "0");
+ svg.setAttribute("height", "0");
+ const defs = svgFactory.createElement("defs");
+ svg.append(defs);
+ const mask = svgFactory.createElement("mask");
+ defs.append(mask);
+ mask.setAttribute("id", "alttext-manager-mask");
+ mask.setAttribute("maskContentUnits", "objectBoundingBox");
+ let rect = svgFactory.createElement("rect");
+ mask.append(rect);
+ rect.setAttribute("fill", "white");
+ rect.setAttribute("width", "1");
+ rect.setAttribute("height", "1");
+ rect.setAttribute("x", "0");
+ rect.setAttribute("y", "0");
+ rect = this.#rectElement = svgFactory.createElement("rect");
+ mask.append(rect);
+ rect.setAttribute("fill", "black");
+ this.#dialog.append(svg);
+ }
+ async editAltText(uiManager, editor) {
+ if (this.#currentEditor || !editor) {
+ return;
+ }
+ this.#createSVGElement();
+ this.#hasUsedPointer = false;
+ this.#clickAC = new AbortController();
+ const clickOpts = {
+ signal: this.#clickAC.signal
+ },
+ onClick = this.#onClick.bind(this);
+ for (const element of [this.#optionDescription, this.#optionDecorative, this.#textarea, this.#saveButton, this.#cancelButton]) {
+ element.addEventListener("click", onClick, clickOpts);
+ }
+ const {
+ altText,
+ decorative
+ } = editor.altTextData;
+ if (decorative === true) {
+ this.#optionDecorative.checked = true;
+ this.#optionDescription.checked = false;
+ } else {
+ this.#optionDecorative.checked = false;
+ this.#optionDescription.checked = true;
+ }
+ this.#previousAltText = this.#textarea.value = altText?.trim() || "";
+ this.#updateUIState();
+ this.#currentEditor = editor;
+ this.#uiManager = uiManager;
+ this.#uiManager.removeEditListeners();
+ this.#resizeAC = new AbortController();
+ this.#eventBus._on("resize", this.#setPosition.bind(this), {
+ signal: this.#resizeAC.signal
+ });
+ try {
+ await this.#overlayManager.open(this.#dialog);
+ this.#setPosition();
+ } catch (ex) {
+ this.#close();
+ throw ex;
+ }
+ }
+ #setPosition() {
+ if (!this.#currentEditor) {
+ return;
+ }
+ const dialog = this.#dialog;
+ const {
+ style
+ } = dialog;
+ const {
+ x: containerX,
+ y: containerY,
+ width: containerW,
+ height: containerH
+ } = this.#container.getBoundingClientRect();
+ const {
+ innerWidth: windowW,
+ innerHeight: windowH
+ } = window;
+ const {
+ width: dialogW,
+ height: dialogH
+ } = dialog.getBoundingClientRect();
+ const {
+ x,
+ y,
+ width,
+ height
+ } = this.#currentEditor.getClientDimensions();
+ const MARGIN = 10;
+ const isLTR = this.#uiManager.direction === "ltr";
+ const xs = Math.max(x, containerX);
+ const xe = Math.min(x + width, containerX + containerW);
+ const ys = Math.max(y, containerY);
+ const ye = Math.min(y + height, containerY + containerH);
+ this.#rectElement.setAttribute("width", `${(xe - xs) / windowW}`);
+ this.#rectElement.setAttribute("height", `${(ye - ys) / windowH}`);
+ this.#rectElement.setAttribute("x", `${xs / windowW}`);
+ this.#rectElement.setAttribute("y", `${ys / windowH}`);
+ let left = null;
+ let top = Math.max(y, 0);
+ top += Math.min(windowH - (top + dialogH), 0);
+ if (isLTR) {
+ if (x + width + MARGIN + dialogW < windowW) {
+ left = x + width + MARGIN;
+ } else if (x > dialogW + MARGIN) {
+ left = x - dialogW - MARGIN;
+ }
+ } else if (x > dialogW + MARGIN) {
+ left = x - dialogW - MARGIN;
+ } else if (x + width + MARGIN + dialogW < windowW) {
+ left = x + width + MARGIN;
+ }
+ if (left === null) {
+ top = null;
+ left = Math.max(x, 0);
+ left += Math.min(windowW - (left + dialogW), 0);
+ if (y > dialogH + MARGIN) {
+ top = y - dialogH - MARGIN;
+ } else if (y + height + MARGIN + dialogH < windowH) {
+ top = y + height + MARGIN;
+ }
+ }
+ if (top !== null) {
+ dialog.classList.add("positioned");
+ if (isLTR) {
+ style.left = `${left}px`;
+ } else {
+ style.right = `${windowW - left - dialogW}px`;
+ }
+ style.top = `${top}px`;
+ } else {
+ dialog.classList.remove("positioned");
+ style.left = "";
+ style.top = "";
+ }
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ this.#currentEditor._reportTelemetry(this.#telemetryData || {
+ action: "alt_text_cancel",
+ alt_text_keyboard: !this.#hasUsedPointer
+ });
+ this.#telemetryData = null;
+ this.#removeOnClickListeners();
+ this.#uiManager?.addEditListeners();
+ this.#resizeAC?.abort();
+ this.#resizeAC = null;
+ this.#currentEditor.altTextFinish();
+ this.#currentEditor = null;
+ this.#uiManager = null;
+ }
+ #updateUIState() {
+ this.#textarea.disabled = this.#optionDecorative.checked;
+ }
+ #save() {
+ const altText = this.#textarea.value.trim();
+ const decorative = this.#optionDecorative.checked;
+ this.#currentEditor.altTextData = {
+ altText,
+ decorative
+ };
+ this.#telemetryData = {
+ action: "alt_text_save",
+ alt_text_description: !!altText,
+ alt_text_edit: !!this.#previousAltText && this.#previousAltText !== altText,
+ alt_text_decorative: decorative,
+ alt_text_keyboard: !this.#hasUsedPointer
+ };
+ this.#finish();
+ }
+ #onClick(evt) {
+ if (evt.detail === 0) {
+ return;
+ }
+ this.#hasUsedPointer = true;
+ this.#removeOnClickListeners();
+ }
+ #removeOnClickListeners() {
+ this.#clickAC?.abort();
+ this.#clickAC = null;
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#finish();
+ this.#svgElement?.remove();
+ this.#svgElement = this.#rectElement = null;
+ }
+}
+
+;// ./web/annotation_editor_params.js
+
+class AnnotationEditorParams {
+ constructor(options, eventBus) {
+ this.eventBus = eventBus;
+ this.#bindListeners(options);
+ }
+ #bindListeners({
+ editorFreeTextFontSize,
+ editorFreeTextColor,
+ editorInkColor,
+ editorInkThickness,
+ editorInkOpacity,
+ editorStampAddImage,
+ editorFreeHighlightThickness,
+ editorHighlightShowAll,
+ editorSignatureAddSignature
+ }) {
+ const {
+ eventBus
+ } = this;
+ const dispatchEvent = (typeStr, value) => {
+ eventBus.dispatch("switchannotationeditorparams", {
+ source: this,
+ type: AnnotationEditorParamsType[typeStr],
+ value
+ });
+ };
+ editorFreeTextFontSize.addEventListener("input", function () {
+ dispatchEvent("FREETEXT_SIZE", this.valueAsNumber);
+ });
+ editorFreeTextColor.addEventListener("input", function () {
+ dispatchEvent("FREETEXT_COLOR", this.value);
+ });
+ editorInkColor.addEventListener("input", function () {
+ dispatchEvent("INK_COLOR", this.value);
+ });
+ editorInkThickness.addEventListener("input", function () {
+ dispatchEvent("INK_THICKNESS", this.valueAsNumber);
+ });
+ editorInkOpacity.addEventListener("input", function () {
+ dispatchEvent("INK_OPACITY", this.valueAsNumber);
+ });
+ editorStampAddImage.addEventListener("click", () => {
+ eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "editing",
+ data: {
+ action: "pdfjs.image.add_image_click"
+ }
+ }
+ });
+ dispatchEvent("CREATE");
+ });
+ editorFreeHighlightThickness.addEventListener("input", function () {
+ dispatchEvent("HIGHLIGHT_THICKNESS", this.valueAsNumber);
+ });
+ editorHighlightShowAll.addEventListener("click", function () {
+ const checked = this.getAttribute("aria-pressed") === "true";
+ this.setAttribute("aria-pressed", !checked);
+ dispatchEvent("HIGHLIGHT_SHOW_ALL", !checked);
+ });
+ editorSignatureAddSignature.addEventListener("click", () => {
+ dispatchEvent("CREATE");
+ });
+ eventBus._on("annotationeditorparamschanged", evt => {
+ for (const [type, value] of evt.details) {
+ switch (type) {
+ case AnnotationEditorParamsType.FREETEXT_SIZE:
+ editorFreeTextFontSize.value = value;
+ break;
+ case AnnotationEditorParamsType.FREETEXT_COLOR:
+ editorFreeTextColor.value = value;
+ break;
+ case AnnotationEditorParamsType.INK_COLOR:
+ editorInkColor.value = value;
+ break;
+ case AnnotationEditorParamsType.INK_THICKNESS:
+ editorInkThickness.value = value;
+ break;
+ case AnnotationEditorParamsType.INK_OPACITY:
+ editorInkOpacity.value = value;
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_COLOR:
+ eventBus.dispatch("mainhighlightcolorpickerupdatecolor", {
+ source: this,
+ value
+ });
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_THICKNESS:
+ editorFreeHighlightThickness.value = value;
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_FREE:
+ editorFreeHighlightThickness.disabled = !value;
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_SHOW_ALL:
+ editorHighlightShowAll.setAttribute("aria-pressed", value);
+ break;
+ }
+ }
+ });
+ }
+}
+
+;// ./web/caret_browsing.js
+const PRECISION = 1e-1;
+class CaretBrowsingMode {
+ #mainContainer;
+ #toolBarHeight = 0;
+ #viewerContainer;
+ constructor(abortSignal, mainContainer, viewerContainer, toolbarContainer) {
+ this.#mainContainer = mainContainer;
+ this.#viewerContainer = viewerContainer;
+ if (!toolbarContainer) {
+ return;
+ }
+ this.#toolBarHeight = toolbarContainer.getBoundingClientRect().height;
+ const toolbarObserver = new ResizeObserver(entries => {
+ for (const entry of entries) {
+ if (entry.target === toolbarContainer) {
+ this.#toolBarHeight = Math.floor(entry.borderBoxSize[0].blockSize);
+ break;
+ }
+ }
+ });
+ toolbarObserver.observe(toolbarContainer);
+ abortSignal.addEventListener("abort", () => toolbarObserver.disconnect(), {
+ once: true
+ });
+ }
+ #isOnSameLine(rect1, rect2) {
+ const top1 = rect1.y;
+ const bot1 = rect1.bottom;
+ const mid1 = rect1.y + rect1.height / 2;
+ const top2 = rect2.y;
+ const bot2 = rect2.bottom;
+ const mid2 = rect2.y + rect2.height / 2;
+ return top1 <= mid2 && mid2 <= bot1 || top2 <= mid1 && mid1 <= bot2;
+ }
+ #isUnderOver(rect, x, y, isUp) {
+ const midY = rect.y + rect.height / 2;
+ return (isUp ? y >= midY : y <= midY) && rect.x - PRECISION <= x && x <= rect.right + PRECISION;
+ }
+ #isVisible(rect) {
+ return rect.top >= this.#toolBarHeight && rect.left >= 0 && rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && rect.right <= (window.innerWidth || document.documentElement.clientWidth);
+ }
+ #getCaretPosition(selection, isUp) {
+ const {
+ focusNode,
+ focusOffset
+ } = selection;
+ const range = document.createRange();
+ range.setStart(focusNode, focusOffset);
+ range.setEnd(focusNode, focusOffset);
+ const rect = range.getBoundingClientRect();
+ return [rect.x, isUp ? rect.top : rect.bottom];
+ }
+ static #caretPositionFromPoint(x, y) {
+ if (!document.caretPositionFromPoint) {
+ const {
+ startContainer: offsetNode,
+ startOffset: offset
+ } = document.caretRangeFromPoint(x, y);
+ return {
+ offsetNode,
+ offset
+ };
+ }
+ return document.caretPositionFromPoint(x, y);
+ }
+ #setCaretPositionHelper(selection, caretX, select, element, rect) {
+ rect ||= element.getBoundingClientRect();
+ if (caretX <= rect.x + PRECISION) {
+ if (select) {
+ selection.extend(element.firstChild, 0);
+ } else {
+ selection.setPosition(element.firstChild, 0);
+ }
+ return;
+ }
+ if (rect.right - PRECISION <= caretX) {
+ const {
+ lastChild
+ } = element;
+ if (select) {
+ selection.extend(lastChild, lastChild.length);
+ } else {
+ selection.setPosition(lastChild, lastChild.length);
+ }
+ return;
+ }
+ const midY = rect.y + rect.height / 2;
+ let caretPosition = CaretBrowsingMode.#caretPositionFromPoint(caretX, midY);
+ let parentElement = caretPosition.offsetNode?.parentElement;
+ if (parentElement && parentElement !== element) {
+ const elementsAtPoint = document.elementsFromPoint(caretX, midY);
+ const savedVisibilities = [];
+ for (const el of elementsAtPoint) {
+ if (el === element) {
+ break;
+ }
+ const {
+ style
+ } = el;
+ savedVisibilities.push([el, style.visibility]);
+ style.visibility = "hidden";
+ }
+ caretPosition = CaretBrowsingMode.#caretPositionFromPoint(caretX, midY);
+ parentElement = caretPosition.offsetNode?.parentElement;
+ for (const [el, visibility] of savedVisibilities) {
+ el.style.visibility = visibility;
+ }
+ }
+ if (parentElement !== element) {
+ if (select) {
+ selection.extend(element.firstChild, 0);
+ } else {
+ selection.setPosition(element.firstChild, 0);
+ }
+ return;
+ }
+ if (select) {
+ selection.extend(caretPosition.offsetNode, caretPosition.offset);
+ } else {
+ selection.setPosition(caretPosition.offsetNode, caretPosition.offset);
+ }
+ }
+ #setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX) {
+ if (this.#isVisible(newLineElementRect)) {
+ this.#setCaretPositionHelper(selection, caretX, select, newLineElement, newLineElementRect);
+ return;
+ }
+ this.#mainContainer.addEventListener("scrollend", this.#setCaretPositionHelper.bind(this, selection, caretX, select, newLineElement, null), {
+ once: true
+ });
+ newLineElement.scrollIntoView();
+ }
+ #getNodeOnNextPage(textLayer, isUp) {
+ while (true) {
+ const page = textLayer.closest(".page");
+ const pageNumber = parseInt(page.getAttribute("data-page-number"));
+ const nextPage = isUp ? pageNumber - 1 : pageNumber + 1;
+ textLayer = this.#viewerContainer.querySelector(`.page[data-page-number="${nextPage}"] .textLayer`);
+ if (!textLayer) {
+ return null;
+ }
+ const walker = document.createTreeWalker(textLayer, NodeFilter.SHOW_TEXT);
+ const node = isUp ? walker.lastChild() : walker.firstChild();
+ if (node) {
+ return node;
+ }
+ }
+ }
+ moveCaret(isUp, select) {
+ const selection = document.getSelection();
+ if (selection.rangeCount === 0) {
+ return;
+ }
+ const {
+ focusNode
+ } = selection;
+ const focusElement = focusNode.nodeType !== Node.ELEMENT_NODE ? focusNode.parentElement : focusNode;
+ const root = focusElement.closest(".textLayer");
+ if (!root) {
+ return;
+ }
+ const walker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT);
+ walker.currentNode = focusNode;
+ const focusRect = focusElement.getBoundingClientRect();
+ let newLineElement = null;
+ const nodeIterator = (isUp ? walker.previousSibling : walker.nextSibling).bind(walker);
+ while (nodeIterator()) {
+ const element = walker.currentNode.parentElement;
+ if (!this.#isOnSameLine(focusRect, element.getBoundingClientRect())) {
+ newLineElement = element;
+ break;
+ }
+ }
+ if (!newLineElement) {
+ const node = this.#getNodeOnNextPage(root, isUp);
+ if (!node) {
+ return;
+ }
+ if (select) {
+ const lastNode = (isUp ? walker.firstChild() : walker.lastChild()) || focusNode;
+ selection.extend(lastNode, isUp ? 0 : lastNode.length);
+ const range = document.createRange();
+ range.setStart(node, isUp ? node.length : 0);
+ range.setEnd(node, isUp ? node.length : 0);
+ selection.addRange(range);
+ return;
+ }
+ const [caretX] = this.#getCaretPosition(selection, isUp);
+ const {
+ parentElement
+ } = node;
+ this.#setCaretPosition(select, selection, parentElement, parentElement.getBoundingClientRect(), caretX);
+ return;
+ }
+ const [caretX, caretY] = this.#getCaretPosition(selection, isUp);
+ const newLineElementRect = newLineElement.getBoundingClientRect();
+ if (this.#isUnderOver(newLineElementRect, caretX, caretY, isUp)) {
+ this.#setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX);
+ return;
+ }
+ while (nodeIterator()) {
+ const element = walker.currentNode.parentElement;
+ const elementRect = element.getBoundingClientRect();
+ if (!this.#isOnSameLine(newLineElementRect, elementRect)) {
+ break;
+ }
+ if (this.#isUnderOver(elementRect, caretX, caretY, isUp)) {
+ this.#setCaretPosition(select, selection, element, elementRect, caretX);
+ return;
+ }
+ }
+ this.#setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX);
+ }
+}
+
+;// ./web/comment_manager.js
+
+
+class CommentManager {
+ #dialog;
+ #popup;
+ #sidebar;
+ static #hasForcedColors = null;
+ constructor(commentDialog, sidebar, eventBus, linkService, overlayManager, ltr, hasForcedColors) {
+ const dateFormat = new Intl.DateTimeFormat(undefined, {
+ dateStyle: "long"
+ });
+ this.dialogElement = commentDialog.dialog;
+ this.#dialog = new CommentDialog(commentDialog, overlayManager, eventBus, ltr);
+ this.#popup = new CommentPopup(eventBus, dateFormat, ltr, this.dialogElement);
+ this.#sidebar = new CommentSidebar(sidebar, eventBus, linkService, this.#popup, dateFormat, ltr);
+ this.#popup.sidebar = this.#sidebar;
+ CommentManager.#hasForcedColors = hasForcedColors;
+ }
+ setSidebarUiManager(uiManager) {
+ this.#sidebar.setUIManager(uiManager);
+ }
+ showSidebar(annotations) {
+ this.#sidebar.show(annotations);
+ }
+ hideSidebar() {
+ this.#sidebar.hide();
+ }
+ removeComments(ids) {
+ this.#sidebar.removeComments(ids);
+ }
+ selectComment(id) {
+ this.#sidebar.selectComment(null, id);
+ }
+ addComment(annotation) {
+ this.#sidebar.addComment(annotation);
+ }
+ updateComment(annotation) {
+ this.#sidebar.updateComment(annotation);
+ }
+ toggleCommentPopup(editor, isSelected, visibility, isEditable) {
+ if (isSelected) {
+ this.selectComment(editor.uid);
+ }
+ this.#popup.toggle(editor, isSelected, visibility, isEditable);
+ }
+ destroyPopup() {
+ this.#popup.destroy();
+ }
+ updatePopupColor(editor) {
+ this.#popup.updateColor(editor);
+ }
+ showDialog(uiManager, editor, posX, posY, options) {
+ return this.#dialog.open(uiManager, editor, posX, posY, options);
+ }
+ makeCommentColor(color, opacity) {
+ return CommentManager._makeCommentColor(color, opacity);
+ }
+ static _makeCommentColor(color, opacity) {
+ return this.#hasForcedColors ? null : findContrastColor(applyOpacity(...color, opacity ?? 1), CSSConstants.commentForegroundColor);
+ }
+ destroy() {
+ this.#dialog.destroy();
+ this.#sidebar.hide();
+ this.#popup.destroy();
+ }
+}
+class CommentSidebar {
+ #annotations = null;
+ #eventBus;
+ #boundCommentClick = this.#commentClick.bind(this);
+ #boundCommentKeydown = this.#commentKeydown.bind(this);
+ #sidebar;
+ #closeButton;
+ #commentsList;
+ #commentCount;
+ #dateFormat;
+ #sidebarTitle;
+ #learnMoreUrl;
+ #linkService;
+ #popup;
+ #elementsToAnnotations = null;
+ #idsToElements = null;
+ #uiManager = null;
+ #minWidth = 0;
+ #maxWidth = 0;
+ #initialWidth = 0;
+ #width = 0;
+ #ltr;
+ constructor({
+ learnMoreUrl,
+ sidebar,
+ sidebarResizer,
+ commentsList,
+ commentCount,
+ sidebarTitle,
+ closeButton,
+ commentToolbarButton
+ }, eventBus, linkService, popup, dateFormat, ltr) {
+ this.#sidebar = sidebar;
+ this.#sidebarTitle = sidebarTitle;
+ this.#commentsList = commentsList;
+ this.#commentCount = commentCount;
+ this.#learnMoreUrl = learnMoreUrl;
+ this.#linkService = linkService;
+ this.#closeButton = closeButton;
+ this.#popup = popup;
+ this.#dateFormat = dateFormat;
+ this.#ltr = ltr;
+ this.#eventBus = eventBus;
+ const style = window.getComputedStyle(sidebar);
+ this.#minWidth = parseFloat(style.getPropertyValue("--sidebar-min-width"));
+ this.#maxWidth = parseFloat(style.getPropertyValue("--sidebar-max-width"));
+ this.#initialWidth = this.#width = parseFloat(style.getPropertyValue("--sidebar-width"));
+ this.#makeSidebarResizable(sidebarResizer);
+ closeButton.addEventListener("click", () => {
+ eventBus.dispatch("switchannotationeditormode", {
+ source: this,
+ mode: AnnotationEditorType.NONE
+ });
+ });
+ const keyDownCallback = e => {
+ if (e.key === "ArrowDown" || e.key === "Home" || e.key === "F6") {
+ this.#commentsList.firstElementChild.focus();
+ stopEvent(e);
+ } else if (e.key === "ArrowUp" || e.key === "End") {
+ this.#commentsList.lastElementChild.focus();
+ stopEvent(e);
+ }
+ };
+ commentToolbarButton.addEventListener("keydown", keyDownCallback);
+ sidebar.addEventListener("keydown", keyDownCallback);
+ this.#sidebar.hidden = true;
+ }
+ #makeSidebarResizable(resizer) {
+ let pointerMoveAC;
+ const cancelResize = () => {
+ this.#width = MathClamp(this.#width, this.#minWidth, this.#maxWidth);
+ this.#sidebar.classList.remove("resizing");
+ pointerMoveAC?.abort();
+ pointerMoveAC = null;
+ };
+ resizer.addEventListener("pointerdown", e => {
+ if (pointerMoveAC) {
+ cancelResize();
+ return;
+ }
+ const {
+ clientX
+ } = e;
+ stopEvent(e);
+ let prevX = clientX;
+ pointerMoveAC = new AbortController();
+ const {
+ signal
+ } = pointerMoveAC;
+ const sign = this.#ltr ? -1 : 1;
+ const sidebar = this.#sidebar;
+ const sidebarStyle = sidebar.style;
+ sidebar.classList.add("resizing");
+ const parentStyle = sidebar.parentElement.style;
+ parentStyle.minWidth = 0;
+ window.addEventListener("contextmenu", noContextMenu, {
+ signal
+ });
+ window.addEventListener("pointermove", ev => {
+ if (!pointerMoveAC) {
+ return;
+ }
+ stopEvent(ev);
+ const {
+ clientX: x
+ } = ev;
+ const newWidth = this.#width += sign * (x - prevX);
+ prevX = x;
+ if (newWidth > this.#maxWidth || newWidth < this.#minWidth) {
+ return;
+ }
+ sidebarStyle.width = `${newWidth.toFixed(3)}px`;
+ parentStyle.insetInlineStart = `${(this.#initialWidth - newWidth).toFixed(3)}px`;
+ }, {
+ signal,
+ capture: true
+ });
+ window.addEventListener("blur", cancelResize, {
+ signal
+ });
+ window.addEventListener("pointerup", ev => {
+ if (pointerMoveAC) {
+ cancelResize();
+ stopEvent(ev);
+ }
+ }, {
+ signal
+ });
+ });
+ }
+ setUIManager(uiManager) {
+ this.#uiManager = uiManager;
+ }
+ show(annotations) {
+ this.#elementsToAnnotations = new WeakMap();
+ this.#idsToElements = new Map();
+ this.#annotations = annotations;
+ annotations.sort(this.#sortComments.bind(this));
+ if (annotations.length !== 0) {
+ const fragment = document.createDocumentFragment();
+ for (const annotation of annotations) {
+ fragment.append(this.#createCommentElement(annotation));
+ }
+ this.#setCommentsCount(fragment);
+ this.#commentsList.append(fragment);
+ } else {
+ this.#setCommentsCount();
+ }
+ this.#sidebar.hidden = false;
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "commentSidebar",
+ data: {
+ numberOfAnnotations: annotations.length
+ }
+ }
+ });
+ }
+ hide() {
+ this.#sidebar.hidden = true;
+ this.#commentsList.replaceChildren();
+ this.#elementsToAnnotations = null;
+ this.#idsToElements = null;
+ this.#annotations = null;
+ }
+ removeComments(ids) {
+ if (ids.length === 0 || !this.#idsToElements) {
+ return;
+ }
+ if (new Set(this.#idsToElements.keys()).difference(new Set(ids)).size === 0) {
+ this.#removeAll();
+ return;
+ }
+ for (const id of ids) {
+ this.#removeComment(id);
+ }
+ }
+ focusComment(id) {
+ const element = this.#idsToElements.get(id);
+ if (!element) {
+ return;
+ }
+ this.#sidebar.scrollTop = element.offsetTop - this.#sidebar.offsetTop;
+ for (const el of this.#commentsList.children) {
+ el.classList.toggle("selected", el === element);
+ }
+ }
+ updateComment(annotation) {
+ if (!this.#idsToElements) {
+ return;
+ }
+ const {
+ id,
+ creationDate,
+ modificationDate,
+ richText,
+ contentsObj,
+ popupRef
+ } = annotation;
+ if (!popupRef || !richText && !contentsObj?.str) {
+ this.#removeComment(id);
+ }
+ const element = this.#idsToElements.get(id);
+ if (!element) {
+ return;
+ }
+ const prevAnnotation = this.#elementsToAnnotations.get(element);
+ let index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, prevAnnotation) >= 0);
+ if (index >= this.#annotations.length) {
+ return;
+ }
+ this.#setDate(element.firstChild, modificationDate || creationDate);
+ this.#setText(element.lastChild, richText, contentsObj);
+ this.#annotations.splice(index, 1);
+ index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, annotation) >= 0);
+ this.#annotations.splice(index, 0, annotation);
+ if (index >= this.#commentsList.children.length) {
+ this.#commentsList.append(element);
+ } else {
+ this.#commentsList.insertBefore(element, this.#commentsList.children[index]);
+ }
+ }
+ #removeComment(id) {
+ const element = this.#idsToElements?.get(id);
+ if (!element) {
+ return;
+ }
+ const annotation = this.#elementsToAnnotations.get(element);
+ const index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, annotation) >= 0);
+ if (index >= this.#annotations.length) {
+ return;
+ }
+ this.#annotations.splice(index, 1);
+ element.remove();
+ this.#idsToElements.delete(id);
+ this.#setCommentsCount();
+ }
+ #removeAll() {
+ this.#commentsList.replaceChildren();
+ this.#elementsToAnnotations = new WeakMap();
+ this.#idsToElements.clear();
+ this.#annotations.length = 0;
+ this.#setCommentsCount();
+ }
+ selectComment(element, id = null) {
+ if (!this.#idsToElements) {
+ return;
+ }
+ const hasNoElement = !element;
+ element ||= this.#idsToElements.get(id);
+ for (const el of this.#commentsList.children) {
+ el.classList.toggle("selected", el === element);
+ }
+ if (hasNoElement) {
+ element?.scrollIntoView({
+ behavior: "instant",
+ block: "center"
+ });
+ }
+ }
+ addComment(annotation) {
+ if (this.#idsToElements?.has(annotation.id)) {
+ return;
+ }
+ const {
+ popupRef,
+ contentsObj
+ } = annotation;
+ if (!popupRef || !contentsObj?.str) {
+ return;
+ }
+ const commentItem = this.#createCommentElement(annotation);
+ if (this.#annotations.length === 0) {
+ this.#commentsList.replaceChildren(commentItem);
+ this.#annotations.push(annotation);
+ this.#setCommentsCount();
+ return;
+ }
+ const index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, annotation) >= 0);
+ this.#annotations.splice(index, 0, annotation);
+ if (index >= this.#commentsList.children.length) {
+ this.#commentsList.append(commentItem);
+ } else {
+ this.#commentsList.insertBefore(commentItem, this.#commentsList.children[index]);
+ }
+ this.#setCommentsCount();
+ }
+ #setCommentsCount(container = this.#commentsList) {
+ const count = this.#idsToElements.size;
+ this.#sidebarTitle.setAttribute("data-l10n-args", JSON.stringify({
+ count
+ }));
+ this.#commentCount.textContent = count;
+ if (count === 0) {
+ container.append(this.#createZeroCommentElement());
+ }
+ }
+ #createZeroCommentElement() {
+ const commentItem = document.createElement("li");
+ commentItem.classList.add("sidebarComment", "noComments");
+ const textDiv = document.createElement("div");
+ textDiv.className = "sidebarCommentText";
+ textDiv.setAttribute("data-l10n-id", "pdfjs-editor-comments-sidebar-no-comments1");
+ commentItem.append(textDiv);
+ if (this.#learnMoreUrl) {
+ const a = document.createElement("a");
+ a.setAttribute("data-l10n-id", "pdfjs-editor-comments-sidebar-no-comments-link");
+ a.href = this.#learnMoreUrl;
+ a.target = "_blank";
+ a.rel = "noopener noreferrer";
+ commentItem.append(a);
+ }
+ return commentItem;
+ }
+ #setDate(element, date) {
+ date = PDFDateString.toDateObject(date);
+ element.dateTime = date.toISOString();
+ element.textContent = this.#dateFormat.format(date);
+ }
+ #setText(element, richText, contentsObj) {
+ element.replaceChildren();
+ const html = richText?.str && (!contentsObj?.str || richText.str === contentsObj.str) ? richText.html : contentsObj?.str;
+ renderRichText({
+ html,
+ dir: contentsObj?.dir || "auto",
+ className: "richText"
+ }, element);
+ }
+ #createCommentElement(annotation) {
+ const {
+ id,
+ creationDate,
+ modificationDate,
+ richText,
+ contentsObj,
+ color,
+ opacity
+ } = annotation;
+ const commentItem = document.createElement("li");
+ commentItem.role = "button";
+ commentItem.className = "sidebarComment";
+ commentItem.tabIndex = -1;
+ commentItem.style.backgroundColor = color && CommentManager._makeCommentColor(color, opacity) || "";
+ const dateDiv = document.createElement("time");
+ this.#setDate(dateDiv, modificationDate || creationDate);
+ const textDiv = document.createElement("div");
+ textDiv.className = "sidebarCommentText";
+ this.#setText(textDiv, richText, contentsObj);
+ commentItem.append(dateDiv, textDiv);
+ commentItem.addEventListener("click", this.#boundCommentClick);
+ commentItem.addEventListener("keydown", this.#boundCommentKeydown);
+ this.#elementsToAnnotations.set(commentItem, annotation);
+ this.#idsToElements.set(id, commentItem);
+ return commentItem;
+ }
+ async #commentClick({
+ currentTarget
+ }) {
+ if (currentTarget.classList.contains("selected")) {
+ currentTarget.classList.remove("selected");
+ this.#popup._hide();
+ return;
+ }
+ const annotation = this.#elementsToAnnotations.get(currentTarget);
+ if (!annotation) {
+ return;
+ }
+ this.#popup._hide();
+ const {
+ id,
+ pageIndex,
+ rect
+ } = annotation;
+ const pageNumber = pageIndex + 1;
+ const pageVisiblePromise = this.#uiManager?.waitForEditorsRendered(pageNumber);
+ this.#linkService?.goToXY(pageNumber, rect[0], rect[3], {
+ center: "both"
+ });
+ this.selectComment(currentTarget);
+ await pageVisiblePromise;
+ this.#uiManager?.selectComment(pageIndex, id);
+ }
+ #commentKeydown(e) {
+ const {
+ key,
+ currentTarget
+ } = e;
+ switch (key) {
+ case "ArrowDown":
+ (currentTarget.nextElementSibling || this.#commentsList.firstElementChild).focus();
+ stopEvent(e);
+ break;
+ case "ArrowUp":
+ (currentTarget.previousElementSibling || this.#commentsList.lastElementChild).focus();
+ stopEvent(e);
+ break;
+ case "Home":
+ this.#commentsList.firstElementChild.focus();
+ stopEvent(e);
+ break;
+ case "End":
+ this.#commentsList.lastElementChild.focus();
+ stopEvent(e);
+ break;
+ case "Enter":
+ case " ":
+ this.#commentClick(e);
+ stopEvent(e);
+ break;
+ case "ShiftTab":
+ this.#closeButton.focus();
+ stopEvent(e);
+ break;
+ }
+ }
+ #sortComments(a, b) {
+ const dateA = PDFDateString.toDateObject(a.modificationDate || a.creationDate);
+ const dateB = PDFDateString.toDateObject(b.modificationDate || b.creationDate);
+ if (dateA !== dateB) {
+ if (dateA !== null && dateB !== null) {
+ return dateB - dateA;
+ }
+ return dateA !== null ? -1 : 1;
+ }
+ if (a.pageIndex !== b.pageIndex) {
+ return a.pageIndex - b.pageIndex;
+ }
+ if (a.rect[3] !== b.rect[3]) {
+ return b.rect[3] - a.rect[3];
+ }
+ if (a.rect[0] !== b.rect[0]) {
+ return a.rect[0] - b.rect[0];
+ }
+ if (a.rect[1] !== b.rect[1]) {
+ return b.rect[1] - a.rect[1];
+ }
+ if (a.rect[2] !== b.rect[2]) {
+ return a.rect[2] - b.rect[2];
+ }
+ return a.id.localeCompare(b.id);
+ }
+}
+class CommentDialog {
+ #dialog;
+ #editor;
+ #overlayManager;
+ #previousText = "";
+ #commentText = "";
+ #textInput;
+ #title;
+ #saveButton;
+ #uiManager;
+ #prevDragX = 0;
+ #prevDragY = 0;
+ #dialogX = 0;
+ #dialogY = 0;
+ #isLTR;
+ #eventBus;
+ constructor({
+ dialog,
+ toolbar,
+ title,
+ textInput,
+ cancelButton,
+ saveButton
+ }, overlayManager, eventBus, ltr) {
+ this.#dialog = dialog;
+ this.#textInput = textInput;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ this.#saveButton = saveButton;
+ this.#title = title;
+ this.#isLTR = ltr;
+ const finishBound = this.#finish.bind(this);
+ dialog.addEventListener("close", finishBound);
+ dialog.addEventListener("contextmenu", e => {
+ if (e.target !== this.#textInput) {
+ e.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", finishBound);
+ saveButton.addEventListener("click", this.#save.bind(this));
+ textInput.addEventListener("input", () => {
+ saveButton.disabled = textInput.value === this.#previousText;
+ });
+ let pointerMoveAC;
+ const cancelDrag = () => {
+ dialog.classList.remove("dragging");
+ pointerMoveAC?.abort();
+ pointerMoveAC = null;
+ };
+ toolbar.addEventListener("pointerdown", e => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ return;
+ }
+ const {
+ clientX,
+ clientY
+ } = e;
+ stopEvent(e);
+ this.#prevDragX = clientX;
+ this.#prevDragY = clientY;
+ pointerMoveAC = new AbortController();
+ const {
+ signal
+ } = pointerMoveAC;
+ const {
+ innerHeight,
+ innerWidth
+ } = window;
+ dialog.classList.add("dragging");
+ window.addEventListener("pointermove", ev => {
+ if (!pointerMoveAC) {
+ return;
+ }
+ const {
+ clientX: x,
+ clientY: y
+ } = ev;
+ this.#setPosition(this.#dialogX + (x - this.#prevDragX) / innerWidth, this.#dialogY + (y - this.#prevDragY) / innerHeight);
+ this.#prevDragX = x;
+ this.#prevDragY = y;
+ stopEvent(ev);
+ }, {
+ signal
+ });
+ window.addEventListener("blur", cancelDrag, {
+ signal
+ });
+ window.addEventListener("pointerup", ev => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ stopEvent(ev);
+ }
+ }, {
+ signal
+ });
+ });
+ overlayManager.register(dialog);
+ }
+ async open(uiManager, editor, posX, posY, options) {
+ if (editor) {
+ this.#uiManager = uiManager;
+ this.#editor = editor;
+ }
+ const {
+ contentsObj: {
+ str
+ },
+ color,
+ opacity
+ } = editor.getData();
+ const {
+ style: dialogStyle
+ } = this.#dialog;
+ if (color) {
+ dialogStyle.backgroundColor = CommentManager._makeCommentColor(color, opacity);
+ dialogStyle.borderColor = Util.makeHexColor(...color);
+ } else {
+ dialogStyle.backgroundColor = dialogStyle.borderColor = "";
+ }
+ this.#commentText = str || "";
+ const textInput = this.#textInput;
+ textInput.value = this.#previousText = this.#commentText;
+ if (str) {
+ this.#title.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-title-when-editing");
+ this.#saveButton.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-save-button-when-editing");
+ } else {
+ this.#title.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-title-when-adding");
+ this.#saveButton.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-save-button-when-adding");
+ }
+ if (options?.height) {
+ textInput.style.height = `${options.height}px`;
+ }
+ this.#uiManager?.removeEditListeners();
+ this.#saveButton.disabled = true;
+ const parentDimensions = options?.parentDimensions;
+ const {
+ innerHeight,
+ innerWidth
+ } = window;
+ if (editor.hasDefaultPopupPosition()) {
+ const {
+ dialogWidth,
+ dialogHeight
+ } = this._dialogDimensions;
+ if (parentDimensions) {
+ if (this.#isLTR && posX + dialogWidth > Math.min(parentDimensions.x + parentDimensions.width, innerWidth)) {
+ const buttonWidth = this.#editor.commentButtonWidth;
+ posX -= dialogWidth - buttonWidth * parentDimensions.width;
+ } else if (!this.#isLTR) {
+ const buttonWidth = this.#editor.commentButtonWidth * parentDimensions.width;
+ if (posX - dialogWidth < Math.max(0, parentDimensions.x)) {
+ posX = Math.max(0, posX);
+ } else {
+ posX -= dialogWidth - buttonWidth;
+ }
+ }
+ }
+ const height = Math.max(dialogHeight, options?.height || 0);
+ if (posY + height > innerHeight) {
+ posY = innerHeight - height;
+ }
+ if (posY < 0) {
+ posY = 0;
+ }
+ }
+ posX = MathClamp(posX / innerWidth, 0, 1);
+ posY = MathClamp(posY / innerHeight, 0, 1);
+ this.#setPosition(posX, posY);
+ await this.#overlayManager.open(this.#dialog);
+ textInput.focus();
+ }
+ async #save() {
+ this.#editor.comment = this.#textInput.value;
+ this.#finish();
+ }
+ get _dialogDimensions() {
+ const dialog = this.#dialog;
+ const {
+ style
+ } = dialog;
+ style.opacity = "0";
+ style.display = "block";
+ const {
+ width,
+ height
+ } = dialog.getBoundingClientRect();
+ style.opacity = style.display = "";
+ return shadow(this, "_dialogDimensions", {
+ dialogWidth: width,
+ dialogHeight: height
+ });
+ }
+ #setPosition(x, y) {
+ this.#dialogX = x;
+ this.#dialogY = y;
+ const {
+ style
+ } = this.#dialog;
+ style.left = `${100 * x}%`;
+ style.top = `${100 * y}%`;
+ }
+ #finish() {
+ if (!this.#editor) {
+ return;
+ }
+ const edited = this.#textInput.value !== this.#commentText;
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "comment",
+ data: {
+ edited
+ }
+ }
+ });
+ this.#editor?.focusCommentButton();
+ this.#editor = null;
+ this.#textInput.value = this.#previousText = this.#commentText = "";
+ this.#overlayManager.closeIfActive(this.#dialog);
+ this.#textInput.style.height = "";
+ this.#uiManager?.addEditListeners();
+ this.#uiManager = null;
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#editor = null;
+ this.#finish();
+ }
+}
+class CommentPopup {
+ #buttonsContainer = null;
+ #eventBus;
+ #commentDialog;
+ #dateFormat;
+ #editor = null;
+ #isLTR;
+ #container = null;
+ #text = null;
+ #time = null;
+ #prevDragX = 0;
+ #prevDragY = 0;
+ #posX = 0;
+ #posY = 0;
+ #previousFocusedElement = null;
+ #selected = false;
+ #visible = false;
+ constructor(eventBus, dateFormat, ltr, commentDialog) {
+ this.#eventBus = eventBus;
+ this.#dateFormat = dateFormat;
+ this.#isLTR = ltr;
+ this.#commentDialog = commentDialog;
+ this.sidebar = null;
+ }
+ get _popupWidth() {
+ const container = this.#createPopup();
+ const {
+ style
+ } = container;
+ style.opacity = "0";
+ style.display = "block";
+ document.body.append(container);
+ const width = container.getBoundingClientRect().width;
+ container.remove();
+ style.opacity = style.display = "";
+ return shadow(this, "_popupWidth", width);
+ }
+ #createPopup() {
+ if (this.#container) {
+ return this.#container;
+ }
+ const container = this.#container = document.createElement("div");
+ container.className = "commentPopup";
+ container.id = "commentPopup";
+ container.tabIndex = -1;
+ container.role = "dialog";
+ container.ariaModal = "false";
+ container.addEventListener("contextmenu", noContextMenu);
+ container.addEventListener("keydown", e => {
+ if (e.key === "Escape") {
+ this.toggle(this.#editor, true, false);
+ this.#previousFocusedElement?.focus();
+ stopEvent(e);
+ }
+ });
+ container.addEventListener("click", () => {
+ container.focus();
+ });
+ const top = document.createElement("div");
+ top.className = "commentPopupTop";
+ const time = this.#time = document.createElement("time");
+ time.className = "commentPopupTime";
+ const buttons = this.#buttonsContainer = document.createElement("div");
+ buttons.className = "commentPopupButtons";
+ const edit = document.createElement("button");
+ edit.classList.add("commentPopupEdit", "toolbarButton");
+ edit.tabIndex = 0;
+ edit.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-popup-button");
+ edit.ariaHasPopup = "dialog";
+ edit.ariaControlsElements = [this.#commentDialog];
+ const editLabel = document.createElement("span");
+ editLabel.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-popup-button-label");
+ edit.append(editLabel);
+ edit.addEventListener("click", () => {
+ const editor = this.#editor;
+ const height = parseFloat(getComputedStyle(this.#text).height);
+ this.toggle(editor, true, false);
+ editor.editComment({
+ height
+ });
+ });
+ edit.addEventListener("contextmenu", noContextMenu);
+ const del = document.createElement("button");
+ del.classList.add("commentPopupDelete", "toolbarButton");
+ del.tabIndex = 0;
+ del.setAttribute("data-l10n-id", "pdfjs-editor-delete-comment-popup-button");
+ const delLabel = document.createElement("span");
+ delLabel.setAttribute("data-l10n-id", "pdfjs-editor-delete-comment-popup-button-label");
+ del.append(delLabel);
+ del.addEventListener("click", () => {
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "comment",
+ data: {
+ deleted: true
+ }
+ }
+ });
+ this.#editor.comment = null;
+ this.destroy();
+ });
+ del.addEventListener("contextmenu", noContextMenu);
+ buttons.append(edit, del);
+ top.append(time, buttons);
+ const separator = document.createElement("hr");
+ const text = this.#text = document.createElement("div");
+ text.className = "commentPopupText";
+ container.append(top, separator, text);
+ let pointerMoveAC;
+ const cancelDrag = () => {
+ container.classList.remove("dragging");
+ pointerMoveAC?.abort();
+ pointerMoveAC = null;
+ };
+ top.addEventListener("pointerdown", e => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ return;
+ }
+ const {
+ target,
+ clientX,
+ clientY
+ } = e;
+ if (buttons.contains(target)) {
+ return;
+ }
+ stopEvent(e);
+ const {
+ width: parentWidth,
+ height: parentHeight
+ } = this.#editor.parentBoundingClientRect;
+ this.#prevDragX = clientX;
+ this.#prevDragY = clientY;
+ pointerMoveAC = new AbortController();
+ const {
+ signal
+ } = pointerMoveAC;
+ container.classList.add("dragging");
+ window.addEventListener("pointermove", ev => {
+ if (!pointerMoveAC) {
+ return;
+ }
+ const {
+ clientX: x,
+ clientY: y
+ } = ev;
+ this.#setPosition(this.#posX + (x - this.#prevDragX) / parentWidth, this.#posY + (y - this.#prevDragY) / parentHeight, false);
+ this.#prevDragX = x;
+ this.#prevDragY = y;
+ stopEvent(ev);
+ }, {
+ signal
+ });
+ window.addEventListener("blur", cancelDrag, {
+ signal
+ });
+ window.addEventListener("pointerup", ev => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ stopEvent(ev);
+ }
+ }, {
+ signal
+ });
+ });
+ return container;
+ }
+ updateColor(editor) {
+ if (this.#editor !== editor || !this.#visible) {
+ return;
+ }
+ const {
+ color,
+ opacity
+ } = editor.getData();
+ this.#container.style.backgroundColor = color && CommentManager._makeCommentColor(color, opacity) || "";
+ }
+ _hide(editor) {
+ const container = this.#createPopup();
+ container.classList.toggle("hidden", true);
+ container.classList.toggle("selected", false);
+ (editor || this.#editor)?.setCommentButtonStates({
+ selected: false,
+ hasPopup: false
+ });
+ this.#editor = null;
+ this.#selected = false;
+ this.#visible = false;
+ this.#text.replaceChildren();
+ this.sidebar.selectComment(null);
+ }
+ toggle(editor, isSelected, visibility = undefined, isEditable = true) {
+ if (!editor) {
+ this.destroy();
+ return;
+ }
+ if (isSelected) {
+ visibility ??= this.#editor === editor ? !this.#selected || !this.#visible : true;
+ } else {
+ if (this.#selected) {
+ return;
+ }
+ visibility ??= !this.#visible;
+ }
+ if (!visibility) {
+ this._hide(editor);
+ return;
+ }
+ this.#visible = true;
+ if (this.#editor !== editor) {
+ this.#editor?.setCommentButtonStates({
+ selected: false,
+ hasPopup: false
+ });
+ }
+ const container = this.#createPopup();
+ this.#buttonsContainer.classList.toggle("hidden", !isEditable);
+ container.classList.toggle("hidden", false);
+ container.classList.toggle("selected", isSelected);
+ this.#selected = isSelected;
+ this.#editor = editor;
+ editor.setCommentButtonStates({
+ selected: isSelected,
+ hasPopup: true
+ });
+ const {
+ contentsObj,
+ richText,
+ creationDate,
+ modificationDate,
+ color,
+ opacity
+ } = editor.getData();
+ container.style.backgroundColor = color && CommentManager._makeCommentColor(color, opacity) || "";
+ this.#text.replaceChildren();
+ const html = richText?.str && (!contentsObj?.str || richText.str === contentsObj.str) ? richText.html : contentsObj?.str;
+ if (html) {
+ renderRichText({
+ html,
+ dir: contentsObj?.dir || "auto",
+ className: "richText"
+ }, this.#text);
+ }
+ this.#time.textContent = this.#dateFormat.format(PDFDateString.toDateObject(modificationDate || creationDate));
+ this.#setPosition(...editor.commentPopupPosition, editor.hasDefaultPopupPosition());
+ editor.elementBeforePopup.after(container);
+ container.addEventListener("focus", ({
+ relatedTarget
+ }) => {
+ this.#previousFocusedElement = relatedTarget;
+ }, {
+ once: true
+ });
+ if (isSelected) {
+ setTimeout(() => container.focus(), 0);
+ }
+ }
+ #setPosition(x, y, correctPosition) {
+ if (!correctPosition) {
+ this.#editor.commentPopupPosition = [x, y];
+ } else {
+ const widthRatio = this._popupWidth / this.#editor.parentBoundingClientRect.width;
+ if (this.#isLTR && x + widthRatio > 1 || !this.#isLTR && x - widthRatio >= 0) {
+ const buttonWidth = this.#editor.commentButtonWidth;
+ x -= widthRatio - buttonWidth;
+ }
+ }
+ this.#posX = x;
+ this.#posY = y;
+ const {
+ style
+ } = this.#container;
+ style.left = `${100 * x}%`;
+ style.top = `${100 * y}%`;
+ }
+ destroy() {
+ this._hide();
+ this.#container?.remove();
+ this.#container = this.#text = this.#time = null;
+ this.#prevDragX = this.#prevDragY = Infinity;
+ this.#posX = this.#posY = 0;
+ this.#previousFocusedElement = null;
+ }
+}
+
+;// ./web/download_manager.js
+
+function download(blobUrl, filename) {
+ const a = document.createElement("a");
+ if (!a.click) {
+ throw new Error('DownloadManager: "a.click()" is not supported.');
+ }
+ a.href = blobUrl;
+ a.target = "_parent";
+ if ("download" in a) {
+ a.download = filename;
+ }
+ (document.body || document.documentElement).append(a);
+ a.click();
+ a.remove();
+}
+class DownloadManager {
+ #openBlobUrls = new WeakMap();
+ downloadData(data, filename, contentType) {
+ const blobUrl = URL.createObjectURL(new Blob([data], {
+ type: contentType
+ }));
+ download(blobUrl, filename);
+ }
+ openOrDownloadData(data, filename, dest = null) {
+ const isPdfData = isPdfFile(filename);
+ const contentType = isPdfData ? "application/pdf" : "";
+ if (isPdfData) {
+ let blobUrl = this.#openBlobUrls.get(data);
+ if (!blobUrl) {
+ blobUrl = URL.createObjectURL(new Blob([data], {
+ type: contentType
+ }));
+ this.#openBlobUrls.set(data, blobUrl);
+ }
+ let viewerUrl;
+ viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename);
+ if (dest) {
+ viewerUrl += `#${escape(dest)}`;
+ }
+ try {
+ window.open(viewerUrl);
+ return true;
+ } catch (ex) {
+ console.error("openOrDownloadData:", ex);
+ URL.revokeObjectURL(blobUrl);
+ this.#openBlobUrls.delete(data);
+ }
+ }
+ this.downloadData(data, filename, contentType);
+ return false;
+ }
+ download(data, url, filename) {
+ let blobUrl;
+ if (data) {
+ blobUrl = URL.createObjectURL(new Blob([data], {
+ type: "application/pdf"
+ }));
+ } else {
+ if (!createValidAbsoluteUrl(url, "http://example.com")) {
+ console.error(`download - not a valid URL: ${url}`);
+ return;
+ }
+ blobUrl = url + "#pdfjs.action=download";
+ }
+ download(blobUrl, filename);
+ }
+}
+
+;// ./web/editor_undo_bar.js
+
+class EditorUndoBar {
+ #closeButton = null;
+ #container;
+ #eventBus = null;
+ #focusTimeout = null;
+ #initController = null;
+ isOpen = false;
+ #message;
+ #showController = null;
+ #undoButton;
+ static #l10nMessages = Object.freeze({
+ highlight: "pdfjs-editor-undo-bar-message-highlight",
+ freetext: "pdfjs-editor-undo-bar-message-freetext",
+ stamp: "pdfjs-editor-undo-bar-message-stamp",
+ ink: "pdfjs-editor-undo-bar-message-ink",
+ signature: "pdfjs-editor-undo-bar-message-signature",
+ _multiple: "pdfjs-editor-undo-bar-message-multiple"
+ });
+ constructor({
+ container,
+ message,
+ undoButton,
+ closeButton
+ }, eventBus) {
+ this.#container = container;
+ this.#message = message;
+ this.#undoButton = undoButton;
+ this.#closeButton = closeButton;
+ this.#eventBus = eventBus;
+ }
+ destroy() {
+ this.#initController?.abort();
+ this.#initController = null;
+ this.hide();
+ }
+ show(undoAction, messageData) {
+ if (!this.#initController) {
+ this.#initController = new AbortController();
+ const opts = {
+ signal: this.#initController.signal
+ };
+ const boundHide = this.hide.bind(this);
+ this.#container.addEventListener("contextmenu", noContextMenu, opts);
+ this.#closeButton.addEventListener("click", boundHide, opts);
+ this.#eventBus._on("beforeprint", boundHide, opts);
+ this.#eventBus._on("download", boundHide, opts);
+ }
+ this.hide();
+ if (typeof messageData === "string") {
+ this.#message.setAttribute("data-l10n-id", EditorUndoBar.#l10nMessages[messageData]);
+ } else {
+ this.#message.setAttribute("data-l10n-id", EditorUndoBar.#l10nMessages._multiple);
+ this.#message.setAttribute("data-l10n-args", JSON.stringify({
+ count: messageData
+ }));
+ }
+ this.isOpen = true;
+ this.#container.hidden = false;
+ this.#showController = new AbortController();
+ this.#undoButton.addEventListener("click", () => {
+ undoAction();
+ this.hide();
+ }, {
+ signal: this.#showController.signal
+ });
+ this.#focusTimeout = setTimeout(() => {
+ this.#container.focus();
+ this.#focusTimeout = null;
+ }, 100);
+ }
+ hide() {
+ if (!this.isOpen) {
+ return;
+ }
+ this.isOpen = false;
+ this.#container.hidden = true;
+ this.#showController?.abort();
+ this.#showController = null;
+ if (this.#focusTimeout) {
+ clearTimeout(this.#focusTimeout);
+ this.#focusTimeout = null;
+ }
+ }
+}
+
+;// ./web/overlay_manager.js
+class OverlayManager {
+ #overlays = new WeakMap();
+ #active = null;
+ get active() {
+ return this.#active;
+ }
+ async register(dialog, canForceClose = false) {
+ if (typeof dialog !== "object") {
+ throw new Error("Not enough parameters.");
+ } else if (this.#overlays.has(dialog)) {
+ throw new Error("The overlay is already registered.");
+ }
+ this.#overlays.set(dialog, {
+ canForceClose
+ });
+ dialog.addEventListener("cancel", ({
+ target
+ }) => {
+ if (this.#active === target) {
+ this.#active = null;
+ }
+ });
+ }
+ async open(dialog) {
+ if (!this.#overlays.has(dialog)) {
+ throw new Error("The overlay does not exist.");
+ } else if (this.#active) {
+ if (this.#active === dialog) {
+ throw new Error("The overlay is already active.");
+ } else if (this.#overlays.get(dialog).canForceClose) {
+ await this.close();
+ } else {
+ throw new Error("Another overlay is currently active.");
+ }
+ }
+ this.#active = dialog;
+ dialog.showModal();
+ }
+ async close(dialog = this.#active) {
+ if (!this.#overlays.has(dialog)) {
+ throw new Error("The overlay does not exist.");
+ } else if (!this.#active) {
+ throw new Error("The overlay is currently not active.");
+ } else if (this.#active !== dialog) {
+ throw new Error("Another overlay is currently active.");
+ }
+ dialog.close();
+ this.#active = null;
+ }
+ async closeIfActive(dialog) {
+ if (this.#active === dialog) {
+ await this.close(dialog);
+ }
+ }
+}
+
+;// ./web/password_prompt.js
+
+class PasswordPrompt {
+ #activeCapability = null;
+ #updateCallback = null;
+ #reason = null;
+ constructor(options, overlayManager, isViewerEmbedded = false) {
+ this.dialog = options.dialog;
+ this.label = options.label;
+ this.input = options.input;
+ this.submitButton = options.submitButton;
+ this.cancelButton = options.cancelButton;
+ this.overlayManager = overlayManager;
+ this._isViewerEmbedded = isViewerEmbedded;
+ this.submitButton.addEventListener("click", this.#verify.bind(this));
+ this.cancelButton.addEventListener("click", this.close.bind(this));
+ this.input.addEventListener("keydown", e => {
+ if (e.keyCode === 13) {
+ this.#verify();
+ }
+ });
+ this.overlayManager.register(this.dialog, true);
+ this.dialog.addEventListener("close", this.#cancel.bind(this));
+ }
+ async open() {
+ await this.#activeCapability?.promise;
+ this.#activeCapability = Promise.withResolvers();
+ try {
+ await this.overlayManager.open(this.dialog);
+ } catch (ex) {
+ this.#activeCapability.resolve();
+ throw ex;
+ }
+ const passwordIncorrect = this.#reason === PasswordResponses.INCORRECT_PASSWORD;
+ if (!this._isViewerEmbedded || passwordIncorrect) {
+ this.input.focus();
+ }
+ this.label.setAttribute("data-l10n-id", passwordIncorrect ? "pdfjs-password-invalid" : "pdfjs-password-label");
+ }
+ async close() {
+ this.overlayManager.closeIfActive(this.dialog);
+ }
+ #verify() {
+ const password = this.input.value;
+ if (password?.length > 0) {
+ this.#invokeCallback(password);
+ }
+ }
+ #cancel() {
+ this.#invokeCallback(new Error("PasswordPrompt cancelled."));
+ this.#activeCapability.resolve();
+ }
+ #invokeCallback(password) {
+ if (!this.#updateCallback) {
+ return;
+ }
+ this.close();
+ this.input.value = "";
+ this.#updateCallback(password);
+ this.#updateCallback = null;
+ }
+ async setUpdateCallback(updateCallback, reason) {
+ if (this.#activeCapability) {
+ await this.#activeCapability.promise;
+ }
+ this.#updateCallback = updateCallback;
+ this.#reason = reason;
+ }
+}
+
+;// ./web/base_tree_viewer.js
+
+const TREEITEM_OFFSET_TOP = -100;
+const TREEITEM_SELECTED_CLASS = "selected";
+class BaseTreeViewer {
+ constructor(options) {
+ this.container = options.container;
+ this.eventBus = options.eventBus;
+ this._l10n = options.l10n;
+ this.reset();
+ }
+ reset() {
+ this._pdfDocument = null;
+ this._lastToggleIsShow = true;
+ this._currentTreeItem = null;
+ this.container.textContent = "";
+ this.container.classList.remove("treeWithDeepNesting");
+ }
+ _dispatchEvent(count) {
+ throw new Error("Not implemented: _dispatchEvent");
+ }
+ _bindLink(element, params) {
+ throw new Error("Not implemented: _bindLink");
+ }
+ _normalizeTextContent(str) {
+ return removeNullCharacters(str, true) || "\u2013";
+ }
+ _addToggleButton(div, hidden = false) {
+ const toggler = document.createElement("div");
+ toggler.className = "treeItemToggler";
+ if (hidden) {
+ toggler.classList.add("treeItemsHidden");
+ }
+ toggler.onclick = evt => {
+ evt.stopPropagation();
+ toggler.classList.toggle("treeItemsHidden");
+ if (evt.shiftKey) {
+ const shouldShowAll = !toggler.classList.contains("treeItemsHidden");
+ this._toggleTreeItem(div, shouldShowAll);
+ }
+ };
+ div.prepend(toggler);
+ }
+ _toggleTreeItem(root, show = false) {
+ this._l10n.pause();
+ this._lastToggleIsShow = show;
+ for (const toggler of root.querySelectorAll(".treeItemToggler")) {
+ toggler.classList.toggle("treeItemsHidden", !show);
+ }
+ this._l10n.resume();
+ }
+ _toggleAllTreeItems() {
+ this._toggleTreeItem(this.container, !this._lastToggleIsShow);
+ }
+ _finishRendering(fragment, count, hasAnyNesting = false) {
+ if (hasAnyNesting) {
+ this.container.classList.add("treeWithDeepNesting");
+ this._lastToggleIsShow = !fragment.querySelector(".treeItemsHidden");
+ }
+ this._l10n.pause();
+ this.container.append(fragment);
+ this._l10n.resume();
+ this._dispatchEvent(count);
+ }
+ render(params) {
+ throw new Error("Not implemented: render");
+ }
+ _updateCurrentTreeItem(treeItem = null) {
+ if (this._currentTreeItem) {
+ this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS);
+ this._currentTreeItem = null;
+ }
+ if (treeItem) {
+ treeItem.classList.add(TREEITEM_SELECTED_CLASS);
+ this._currentTreeItem = treeItem;
+ }
+ }
+ _scrollToCurrentTreeItem(treeItem) {
+ if (!treeItem) {
+ return;
+ }
+ this._l10n.pause();
+ let currentNode = treeItem.parentNode;
+ while (currentNode && currentNode !== this.container) {
+ if (currentNode.classList.contains("treeItem")) {
+ const toggler = currentNode.firstElementChild;
+ toggler?.classList.remove("treeItemsHidden");
+ }
+ currentNode = currentNode.parentNode;
+ }
+ this._l10n.resume();
+ this._updateCurrentTreeItem(treeItem);
+ this.container.scrollTo(treeItem.offsetLeft, treeItem.offsetTop + TREEITEM_OFFSET_TOP);
+ }
+}
+
+;// ./web/pdf_attachment_viewer.js
+
+
+class PDFAttachmentViewer extends BaseTreeViewer {
+ constructor(options) {
+ super(options);
+ this.downloadManager = options.downloadManager;
+ this.eventBus._on("fileattachmentannotation", this.#appendAttachment.bind(this));
+ }
+ reset(keepRenderedCapability = false) {
+ super.reset();
+ this._attachments = null;
+ if (!keepRenderedCapability) {
+ this._renderedCapability = Promise.withResolvers();
+ }
+ this._pendingDispatchEvent = false;
+ }
+ async _dispatchEvent(attachmentsCount) {
+ this._renderedCapability.resolve();
+ if (attachmentsCount === 0 && !this._pendingDispatchEvent) {
+ this._pendingDispatchEvent = true;
+ await waitOnEventOrTimeout({
+ target: this.eventBus,
+ name: "annotationlayerrendered",
+ delay: 1000
+ });
+ if (!this._pendingDispatchEvent) {
+ return;
+ }
+ }
+ this._pendingDispatchEvent = false;
+ this.eventBus.dispatch("attachmentsloaded", {
+ source: this,
+ attachmentsCount
+ });
+ }
+ _bindLink(element, {
+ content,
+ description,
+ filename
+ }) {
+ if (description) {
+ element.title = description;
+ }
+ element.onclick = () => {
+ this.downloadManager.openOrDownloadData(content, filename);
+ return false;
+ };
+ }
+ render({
+ attachments,
+ keepRenderedCapability = false
+ }) {
+ if (this._attachments) {
+ this.reset(keepRenderedCapability);
+ }
+ this._attachments = attachments || null;
+ if (!attachments) {
+ this._dispatchEvent(0);
+ return;
+ }
+ const fragment = document.createDocumentFragment();
+ let attachmentsCount = 0;
+ for (const name in attachments) {
+ const item = attachments[name];
+ const div = document.createElement("div");
+ div.className = "treeItem";
+ const element = document.createElement("a");
+ this._bindLink(element, item);
+ element.textContent = this._normalizeTextContent(item.filename);
+ div.append(element);
+ fragment.append(div);
+ attachmentsCount++;
+ }
+ this._finishRendering(fragment, attachmentsCount);
+ }
+ #appendAttachment(item) {
+ const renderedPromise = this._renderedCapability.promise;
+ renderedPromise.then(() => {
+ if (renderedPromise !== this._renderedCapability.promise) {
+ return;
+ }
+ const attachments = this._attachments || Object.create(null);
+ for (const name in attachments) {
+ if (item.filename === name) {
+ return;
+ }
+ }
+ attachments[item.filename] = item;
+ this.render({
+ attachments,
+ keepRenderedCapability: true
+ });
+ });
+ }
+}
+
+;// ./web/grab_to_pan.js
+
+const CSS_CLASS_GRAB = "grab-to-pan-grab";
+class GrabToPan {
+ #activateAC = null;
+ #mouseDownAC = null;
+ #scrollAC = null;
+ constructor({
+ element
+ }) {
+ this.element = element;
+ this.document = element.ownerDocument;
+ const overlay = this.overlay = document.createElement("div");
+ overlay.className = "grab-to-pan-grabbing";
+ }
+ activate() {
+ if (!this.#activateAC) {
+ this.#activateAC = new AbortController();
+ this.element.addEventListener("mousedown", this.#onMouseDown.bind(this), {
+ capture: true,
+ signal: this.#activateAC.signal
+ });
+ this.element.classList.add(CSS_CLASS_GRAB);
+ }
+ }
+ deactivate() {
+ if (this.#activateAC) {
+ this.#activateAC.abort();
+ this.#activateAC = null;
+ this.#endPan();
+ this.element.classList.remove(CSS_CLASS_GRAB);
+ }
+ }
+ toggle() {
+ if (this.#activateAC) {
+ this.deactivate();
+ } else {
+ this.activate();
+ }
+ }
+ ignoreTarget(node) {
+ return node.matches("a[href], a[href] *, input, textarea, button, button *, select, option");
+ }
+ #onMouseDown(event) {
+ if (event.button !== 0 || this.ignoreTarget(event.target)) {
+ return;
+ }
+ if (event.originalTarget) {
+ try {
+ event.originalTarget.tagName;
+ } catch {
+ return;
+ }
+ }
+ this.scrollLeftStart = this.element.scrollLeft;
+ this.scrollTopStart = this.element.scrollTop;
+ this.clientXStart = event.clientX;
+ this.clientYStart = event.clientY;
+ this.#mouseDownAC = new AbortController();
+ const boundEndPan = this.#endPan.bind(this),
+ mouseOpts = {
+ capture: true,
+ signal: this.#mouseDownAC.signal
+ };
+ this.document.addEventListener("mousemove", this.#onMouseMove.bind(this), mouseOpts);
+ this.document.addEventListener("mouseup", boundEndPan, mouseOpts);
+ this.#scrollAC = new AbortController();
+ this.element.addEventListener("scroll", boundEndPan, {
+ capture: true,
+ signal: this.#scrollAC.signal
+ });
+ stopEvent(event);
+ const focusedElement = document.activeElement;
+ if (focusedElement && !focusedElement.contains(event.target)) {
+ focusedElement.blur();
+ }
+ }
+ #onMouseMove(event) {
+ this.#scrollAC?.abort();
+ this.#scrollAC = null;
+ if (!(event.buttons & 1)) {
+ this.#endPan();
+ return;
+ }
+ const xDiff = event.clientX - this.clientXStart;
+ const yDiff = event.clientY - this.clientYStart;
+ this.element.scrollTo({
+ top: this.scrollTopStart - yDiff,
+ left: this.scrollLeftStart - xDiff,
+ behavior: "instant"
+ });
+ if (!this.overlay.parentNode) {
+ document.body.append(this.overlay);
+ }
+ }
+ #endPan() {
+ this.#mouseDownAC?.abort();
+ this.#mouseDownAC = null;
+ this.#scrollAC?.abort();
+ this.#scrollAC = null;
+ this.overlay.remove();
+ }
+}
+
+;// ./web/pdf_cursor_tools.js
+
+
+
+class PDFCursorTools {
+ #active = CursorTool.SELECT;
+ #prevActive = null;
+ constructor({
+ container,
+ eventBus,
+ cursorToolOnLoad = CursorTool.SELECT
+ }) {
+ this.container = container;
+ this.eventBus = eventBus;
+ this.#addEventListeners();
+ Promise.resolve().then(() => {
+ this.switchTool(cursorToolOnLoad);
+ });
+ }
+ get activeTool() {
+ return this.#active;
+ }
+ switchTool(tool) {
+ if (this.#prevActive !== null) {
+ return;
+ }
+ this.#switchTool(tool);
+ }
+ #switchTool(tool, disabled = false) {
+ if (tool === this.#active) {
+ if (this.#prevActive !== null) {
+ this.eventBus.dispatch("cursortoolchanged", {
+ source: this,
+ tool,
+ disabled
+ });
+ }
+ return;
+ }
+ const disableActiveTool = () => {
+ switch (this.#active) {
+ case CursorTool.SELECT:
+ break;
+ case CursorTool.HAND:
+ this._handTool.deactivate();
+ break;
+ case CursorTool.ZOOM:
+ }
+ };
+ switch (tool) {
+ case CursorTool.SELECT:
+ disableActiveTool();
+ break;
+ case CursorTool.HAND:
+ disableActiveTool();
+ this._handTool.activate();
+ break;
+ case CursorTool.ZOOM:
+ default:
+ console.error(`switchTool: "${tool}" is an unsupported value.`);
+ return;
+ }
+ this.#active = tool;
+ this.eventBus.dispatch("cursortoolchanged", {
+ source: this,
+ tool,
+ disabled
+ });
+ }
+ #addEventListeners() {
+ this.eventBus._on("switchcursortool", evt => {
+ if (!evt.reset) {
+ this.switchTool(evt.tool);
+ } else if (this.#prevActive !== null) {
+ annotationEditorMode = AnnotationEditorType.NONE;
+ presentationModeState = PresentationModeState.NORMAL;
+ enableActive();
+ }
+ });
+ let annotationEditorMode = AnnotationEditorType.NONE,
+ presentationModeState = PresentationModeState.NORMAL;
+ const disableActive = () => {
+ this.#prevActive ??= this.#active;
+ this.#switchTool(CursorTool.SELECT, true);
+ };
+ const enableActive = () => {
+ if (this.#prevActive !== null && annotationEditorMode === AnnotationEditorType.NONE && presentationModeState === PresentationModeState.NORMAL) {
+ this.#switchTool(this.#prevActive);
+ this.#prevActive = null;
+ }
+ };
+ this.eventBus._on("annotationeditormodechanged", ({
+ mode
+ }) => {
+ annotationEditorMode = mode;
+ if (mode === AnnotationEditorType.NONE) {
+ enableActive();
+ } else {
+ disableActive();
+ }
+ });
+ this.eventBus._on("presentationmodechanged", ({
+ state
+ }) => {
+ presentationModeState = state;
+ if (state === PresentationModeState.NORMAL) {
+ enableActive();
+ } else if (state === PresentationModeState.FULLSCREEN) {
+ disableActive();
+ }
+ });
+ }
+ get _handTool() {
+ return shadow(this, "_handTool", new GrabToPan({
+ element: this.container
+ }));
+ }
+}
+
+;// ./web/pdf_document_properties.js
+
+
+const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"];
+const US_PAGE_NAMES = {
+ "8.5x11": "pdfjs-document-properties-page-size-name-letter",
+ "8.5x14": "pdfjs-document-properties-page-size-name-legal"
+};
+const METRIC_PAGE_NAMES = {
+ "297x420": "pdfjs-document-properties-page-size-name-a-three",
+ "210x297": "pdfjs-document-properties-page-size-name-a-four"
+};
+function getPageName(size, isPortrait, pageNames) {
+ const width = isPortrait ? size.width : size.height;
+ const height = isPortrait ? size.height : size.width;
+ return pageNames[`${width}x${height}`];
+}
+class PDFDocumentProperties {
+ #fieldData = null;
+ constructor({
+ dialog,
+ fields,
+ closeButton
+ }, overlayManager, eventBus, l10n, fileNameLookup, titleLookup) {
+ this.dialog = dialog;
+ this.fields = fields;
+ this.overlayManager = overlayManager;
+ this.l10n = l10n;
+ this._fileNameLookup = fileNameLookup;
+ this._titleLookup = titleLookup;
+ this.#reset();
+ closeButton.addEventListener("click", this.close.bind(this));
+ this.overlayManager.register(this.dialog);
+ eventBus._on("pagechanging", evt => {
+ this._currentPageNumber = evt.pageNumber;
+ });
+ eventBus._on("rotationchanging", evt => {
+ this._pagesRotation = evt.pagesRotation;
+ });
+ }
+ async open() {
+ await Promise.all([this.overlayManager.open(this.dialog), this._dataAvailableCapability.promise]);
+ const currentPageNumber = this._currentPageNumber;
+ const pagesRotation = this._pagesRotation;
+ if (this.#fieldData && currentPageNumber === this.#fieldData._currentPageNumber && pagesRotation === this.#fieldData._pagesRotation) {
+ this.#updateUI();
+ return;
+ }
+ const [{
+ info,
+ metadata,
+ contentLength
+ }, pdfPage] = await Promise.all([this.pdfDocument.getMetadata(), this.pdfDocument.getPage(currentPageNumber)]);
+ const [fileName, fileSize, title, creationDate, modificationDate, pageSize, isLinearized] = await Promise.all([this._fileNameLookup(), this.#parseFileSize(contentLength), this._titleLookup(), this.#parseDate(metadata?.get("xmp:createdate"), info.CreationDate), this.#parseDate(metadata?.get("xmp:modifydate"), info.ModDate), this.#parsePageSize(getPageSizeInches(pdfPage), pagesRotation), this.#parseLinearization(info.IsLinearized)]);
+ this.#fieldData = Object.freeze({
+ fileName,
+ fileSize,
+ title,
+ author: metadata?.get("dc:creator")?.join("\n") || info.Author,
+ subject: metadata?.get("dc:subject")?.join("\n") || info.Subject,
+ keywords: metadata?.get("pdf:keywords") || info.Keywords,
+ creationDate,
+ modificationDate,
+ creator: metadata?.get("xmp:creatortool") || info.Creator,
+ producer: metadata?.get("pdf:producer") || info.Producer,
+ version: info.PDFFormatVersion,
+ pageCount: this.pdfDocument.numPages,
+ pageSize,
+ linearized: isLinearized,
+ _currentPageNumber: currentPageNumber,
+ _pagesRotation: pagesRotation
+ });
+ this.#updateUI();
+ const {
+ length
+ } = await this.pdfDocument.getDownloadInfo();
+ if (contentLength === length) {
+ return;
+ }
+ const data = Object.assign(Object.create(null), this.#fieldData);
+ data.fileSize = await this.#parseFileSize(length);
+ this.#fieldData = Object.freeze(data);
+ this.#updateUI();
+ }
+ async close() {
+ this.overlayManager.close(this.dialog);
+ }
+ setDocument(pdfDocument) {
+ if (this.pdfDocument) {
+ this.#reset();
+ this.#updateUI();
+ }
+ if (!pdfDocument) {
+ return;
+ }
+ this.pdfDocument = pdfDocument;
+ this._dataAvailableCapability.resolve();
+ }
+ #reset() {
+ this.pdfDocument = null;
+ this.#fieldData = null;
+ this._dataAvailableCapability = Promise.withResolvers();
+ this._currentPageNumber = 1;
+ this._pagesRotation = 0;
+ }
+ #updateUI() {
+ if (this.#fieldData && this.overlayManager.active !== this.dialog) {
+ return;
+ }
+ for (const id in this.fields) {
+ const content = this.#fieldData?.[id];
+ this.fields[id].textContent = content || content === 0 ? content : "-";
+ }
+ }
+ async #parseFileSize(b = 0) {
+ const kb = b / 1024,
+ mb = kb / 1024;
+ return kb ? this.l10n.get(mb >= 1 ? "pdfjs-document-properties-size-mb" : "pdfjs-document-properties-size-kb", {
+ mb,
+ kb,
+ b
+ }) : undefined;
+ }
+ async #parsePageSize(pageSizeInches, pagesRotation) {
+ if (!pageSizeInches) {
+ return undefined;
+ }
+ if (pagesRotation % 180 !== 0) {
+ pageSizeInches = {
+ width: pageSizeInches.height,
+ height: pageSizeInches.width
+ };
+ }
+ const isPortrait = isPortraitOrientation(pageSizeInches),
+ nonMetric = NON_METRIC_LOCALES.includes(this.l10n.getLanguage());
+ let sizeInches = {
+ width: Math.round(pageSizeInches.width * 100) / 100,
+ height: Math.round(pageSizeInches.height * 100) / 100
+ };
+ let sizeMillimeters = {
+ width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
+ height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
+ };
+ let nameId = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
+ if (!nameId && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
+ const exactMillimeters = {
+ width: pageSizeInches.width * 25.4,
+ height: pageSizeInches.height * 25.4
+ };
+ const intMillimeters = {
+ width: Math.round(sizeMillimeters.width),
+ height: Math.round(sizeMillimeters.height)
+ };
+ if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
+ nameId = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);
+ if (nameId) {
+ sizeInches = {
+ width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
+ height: Math.round(intMillimeters.height / 25.4 * 100) / 100
+ };
+ sizeMillimeters = intMillimeters;
+ }
+ }
+ }
+ const [{
+ width,
+ height
+ }, unit, name, orientation] = await Promise.all([nonMetric ? sizeInches : sizeMillimeters, this.l10n.get(nonMetric ? "pdfjs-document-properties-page-size-unit-inches" : "pdfjs-document-properties-page-size-unit-millimeters"), nameId && this.l10n.get(nameId), this.l10n.get(isPortrait ? "pdfjs-document-properties-page-size-orientation-portrait" : "pdfjs-document-properties-page-size-orientation-landscape")]);
+ return this.l10n.get(name ? "pdfjs-document-properties-page-size-dimension-name-string" : "pdfjs-document-properties-page-size-dimension-string", {
+ width,
+ height,
+ unit,
+ name,
+ orientation
+ });
+ }
+ async #parseDate(metadataDate, infoDate) {
+ const dateObj = Date.parse(metadataDate) || PDFDateString.toDateObject(infoDate);
+ return dateObj ? this.l10n.get("pdfjs-document-properties-date-time-string", {
+ dateObj: dateObj.valueOf()
+ }) : undefined;
+ }
+ #parseLinearization(isLinearized) {
+ return this.l10n.get(isLinearized ? "pdfjs-document-properties-linearized-yes" : "pdfjs-document-properties-linearized-no");
+ }
+}
+
+;// ./web/pdf_find_utils.js
+const CharacterType = {
+ SPACE: 0,
+ ALPHA_LETTER: 1,
+ PUNCT: 2,
+ HAN_LETTER: 3,
+ KATAKANA_LETTER: 4,
+ HIRAGANA_LETTER: 5,
+ HALFWIDTH_KATAKANA_LETTER: 6,
+ THAI_LETTER: 7
+};
+function isAlphabeticalScript(charCode) {
+ return charCode < 0x2e80;
+}
+function isAscii(charCode) {
+ return (charCode & 0xff80) === 0;
+}
+function isAsciiAlpha(charCode) {
+ return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
+}
+function isAsciiDigit(charCode) {
+ return charCode >= 0x30 && charCode <= 0x39;
+}
+function isAsciiSpace(charCode) {
+ return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
+}
+function isHan(charCode) {
+ return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
+}
+function isKatakana(charCode) {
+ return charCode >= 0x30a0 && charCode <= 0x30ff;
+}
+function isHiragana(charCode) {
+ return charCode >= 0x3040 && charCode <= 0x309f;
+}
+function isHalfwidthKatakana(charCode) {
+ return charCode >= 0xff60 && charCode <= 0xff9f;
+}
+function isThai(charCode) {
+ return (charCode & 0xff80) === 0x0e00;
+}
+function getCharacterType(charCode) {
+ if (isAlphabeticalScript(charCode)) {
+ if (isAscii(charCode)) {
+ if (isAsciiSpace(charCode)) {
+ return CharacterType.SPACE;
+ } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
+ return CharacterType.ALPHA_LETTER;
+ }
+ return CharacterType.PUNCT;
+ } else if (isThai(charCode)) {
+ return CharacterType.THAI_LETTER;
+ } else if (charCode === 0xa0) {
+ return CharacterType.SPACE;
+ }
+ return CharacterType.ALPHA_LETTER;
+ }
+ if (isHan(charCode)) {
+ return CharacterType.HAN_LETTER;
+ } else if (isKatakana(charCode)) {
+ return CharacterType.KATAKANA_LETTER;
+ } else if (isHiragana(charCode)) {
+ return CharacterType.HIRAGANA_LETTER;
+ } else if (isHalfwidthKatakana(charCode)) {
+ return CharacterType.HALFWIDTH_KATAKANA_LETTER;
+ }
+ return CharacterType.ALPHA_LETTER;
+}
+let NormalizeWithNFKC;
+function getNormalizeWithNFKC() {
+ NormalizeWithNFKC ||= ` ¨ª¯²-µ¸-º¼-¾IJ-ijĿ-ŀʼnſDŽ-njDZ-dzʰ-ʸ˘-˝ˠ-ˤʹͺ;΄-΅·ϐ-ϖϰ-ϲϴ-ϵϹևٵ-ٸक़-य़ড়-ঢ়য়ਲ਼ਸ਼ਖ਼-ਜ਼ਫ਼ଡ଼-ଢ଼ำຳໜ-ໝ༌གྷཌྷདྷབྷཛྷཀྵჼᴬ-ᴮᴰ-ᴺᴼ-ᵍᵏ-ᵪᵸᶛ-ᶿẚ-ẛάέήίόύώΆ᾽-῁ΈΉ῍-῏ΐΊ῝-῟ΰΎ῭-`ΌΏ´-῾ - ‑‗․-… ″-‴‶-‷‼‾⁇-⁉⁗ ⁰-ⁱ⁴-₎ₐ-ₜ₨℀-℃℅-ℇ℉-ℓℕ-№ℙ-ℝ℠-™ℤΩℨK-ℭℯ-ℱℳ-ℹ℻-⅀ⅅ-ⅉ⅐-ⅿ↉∬-∭∯-∰〈-〉①-⓪⨌⩴-⩶⫝̸ⱼ-ⱽⵯ⺟⻳⼀-⿕ 〶〸-〺゛-゜ゟヿㄱ-ㆎ㆒-㆟㈀-㈞㈠-㉇㉐-㉾㊀-㏿ꚜ-ꚝꝰꟲ-ꟴꟸ-ꟹꭜ-ꭟꭩ豈-嗀塚晴凞-羽蘒諸逸-都飯-舘並-龎ff-stﬓ-ﬗיִײַ-זּטּ-לּמּנּ-סּףּ-פּצּ-ﮱﯓ-ﴽﵐ-ﶏﶒ-ﷇﷰ-﷼︐-︙︰-﹄﹇-﹒﹔-﹦﹨-﹫ﹰ-ﹲﹴﹶ-ﻼ!-하-ᅦᅧ-ᅬᅭ-ᅲᅳ-ᅵ¢-₩`;
+ return NormalizeWithNFKC;
+}
+
+;// ./web/pdf_find_controller.js
+
+
+const FindState = {
+ FOUND: 0,
+ NOT_FOUND: 1,
+ WRAPPED: 2,
+ PENDING: 3
+};
+const FIND_TIMEOUT = 250;
+const MATCH_SCROLL_OFFSET_TOP = -50;
+const CHARACTERS_TO_NORMALIZE = {
+ "\u2010": "-",
+ "\u2018": "'",
+ "\u2019": "'",
+ "\u201A": "'",
+ "\u201B": "'",
+ "\u201C": '"',
+ "\u201D": '"',
+ "\u201E": '"',
+ "\u201F": '"',
+ "\u00BC": "1/4",
+ "\u00BD": "1/2",
+ "\u00BE": "3/4"
+};
+const DIACRITICS_EXCEPTION = new Set([0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d, 0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039, 0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2, 0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed, 0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74]);
+let DIACRITICS_EXCEPTION_STR;
+const DIACRITICS_REG_EXP = /\p{M}+/gu;
+const SPECIAL_CHARS_REG_EXP = /([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu;
+const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u;
+const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u;
+const SYLLABLES_REG_EXP = /[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g;
+const SYLLABLES_LENGTHS = new Map();
+const FIRST_CHAR_SYLLABLES_REG_EXP = "[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]";
+const NFKC_CHARS_TO_NORMALIZE = new Map();
+let noSyllablesRegExp = null;
+let withSyllablesRegExp = null;
+function normalize(text, options = {}) {
+ const syllablePositions = [];
+ let m;
+ while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) {
+ let {
+ index
+ } = m;
+ for (const char of m[0]) {
+ let len = SYLLABLES_LENGTHS.get(char);
+ if (!len) {
+ len = char.normalize("NFD").length;
+ SYLLABLES_LENGTHS.set(char, len);
+ }
+ syllablePositions.push([len, index++]);
+ }
+ }
+ const hasSyllables = syllablePositions.length > 0;
+ const ignoreDashEOL = options.ignoreDashEOL ?? false;
+ let normalizationRegex;
+ if (!hasSyllables && noSyllablesRegExp) {
+ normalizationRegex = noSyllablesRegExp;
+ } else if (hasSyllables && withSyllablesRegExp) {
+ normalizationRegex = withSyllablesRegExp;
+ } else {
+ const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
+ const toNormalizeWithNFKC = getNormalizeWithNFKC();
+ const CJK = "(?:\\p{Ideographic}|[\u3040-\u30FF])";
+ const HKDiacritics = "(?:\u3099|\u309A)";
+ const BrokenWord = `\\p{Ll}-\\n(?=\\p{Ll})|\\p{Lu}-\\n(?=\\p{L})`;
+ const regexps = [`[${replace}]`, `[${toNormalizeWithNFKC}]`, `${HKDiacritics}\\n`, "\\p{M}+(?:-\\n)?", `${BrokenWord}`, "\\S-\\n", `${CJK}\\n`, "\\n", hasSyllables ? FIRST_CHAR_SYLLABLES_REG_EXP : "\\u0000"];
+ normalizationRegex = new RegExp(regexps.map(r => `(${r})`).join("|"), "gum");
+ if (hasSyllables) {
+ withSyllablesRegExp = normalizationRegex;
+ } else {
+ noSyllablesRegExp = normalizationRegex;
+ }
+ }
+ const rawDiacriticsPositions = [];
+ while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) {
+ rawDiacriticsPositions.push([m[0].length, m.index]);
+ }
+ let normalized = text.normalize("NFD");
+ const positions = [0, 0];
+ let rawDiacriticsIndex = 0;
+ let syllableIndex = 0;
+ let shift = 0;
+ let shiftOrigin = 0;
+ let eol = 0;
+ let hasDiacritics = false;
+ normalized = normalized.replace(normalizationRegex, (match, p1, p2, p3, p4, p5, p6, p7, p8, p9, i) => {
+ i -= shiftOrigin;
+ if (p1) {
+ const replacement = CHARACTERS_TO_NORMALIZE[p1];
+ const jj = replacement.length;
+ for (let j = 1; j < jj; j++) {
+ positions.push(i - shift + j, shift - j);
+ }
+ shift -= jj - 1;
+ return replacement;
+ }
+ if (p2) {
+ let replacement = NFKC_CHARS_TO_NORMALIZE.get(p2);
+ if (!replacement) {
+ replacement = p2.normalize("NFKC");
+ NFKC_CHARS_TO_NORMALIZE.set(p2, replacement);
+ }
+ const jj = replacement.length;
+ for (let j = 1; j < jj; j++) {
+ positions.push(i - shift + j, shift - j);
+ }
+ shift -= jj - 1;
+ return replacement;
+ }
+ if (p3) {
+ hasDiacritics = true;
+ if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
+ ++rawDiacriticsIndex;
+ } else {
+ positions.push(i - 1 - shift + 1, shift - 1);
+ shift -= 1;
+ shiftOrigin += 1;
+ }
+ positions.push(i - shift + 1, shift);
+ shiftOrigin += 1;
+ eol += 1;
+ return p3.charAt(0);
+ }
+ if (p4) {
+ const hasTrailingDashEOL = p4.endsWith("\n");
+ const len = hasTrailingDashEOL ? p4.length - 2 : p4.length;
+ hasDiacritics = true;
+ let jj = len;
+ if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
+ jj -= rawDiacriticsPositions[rawDiacriticsIndex][0];
+ ++rawDiacriticsIndex;
+ }
+ for (let j = 1; j <= jj; j++) {
+ positions.push(i - 1 - shift + j, shift - j);
+ }
+ shift -= jj;
+ shiftOrigin += jj;
+ if (hasTrailingDashEOL) {
+ i += len - 1;
+ positions.push(i - shift + 1, 1 + shift);
+ shift += 1;
+ shiftOrigin += 1;
+ eol += 1;
+ return p4.slice(0, len);
+ }
+ return p4;
+ }
+ if (p5) {
+ if (ignoreDashEOL) {
+ shiftOrigin += 1;
+ eol += 1;
+ return p5.slice(0, -1);
+ }
+ const len = p5.length - 2;
+ positions.push(i - shift + len, 1 + shift);
+ shift += 1;
+ shiftOrigin += 1;
+ eol += 1;
+ return p5.slice(0, -2);
+ }
+ if (p6) {
+ shiftOrigin += 1;
+ eol += 1;
+ return p6.slice(0, -1);
+ }
+ if (p7) {
+ const len = p7.length - 1;
+ positions.push(i - shift + len, shift);
+ shiftOrigin += 1;
+ eol += 1;
+ return p7.slice(0, -1);
+ }
+ if (p8) {
+ positions.push(i - shift + 1, shift - 1);
+ shift -= 1;
+ shiftOrigin += 1;
+ eol += 1;
+ return " ";
+ }
+ if (i + eol === syllablePositions[syllableIndex]?.[1]) {
+ const newCharLen = syllablePositions[syllableIndex][0] - 1;
+ ++syllableIndex;
+ for (let j = 1; j <= newCharLen; j++) {
+ positions.push(i - (shift - j), shift - j);
+ }
+ shift -= newCharLen;
+ shiftOrigin += newCharLen;
+ }
+ return p9;
+ });
+ positions.push(normalized.length, shift);
+ const starts = new Uint32Array(positions.length >> 1);
+ const shifts = new Int32Array(positions.length >> 1);
+ for (let i = 0, ii = positions.length; i < ii; i += 2) {
+ starts[i >> 1] = positions[i];
+ shifts[i >> 1] = positions[i + 1];
+ }
+ return [normalized, [starts, shifts], hasDiacritics];
+}
+function getOriginalIndex(diffs, pos, len) {
+ if (!diffs) {
+ return [pos, len];
+ }
+ const [starts, shifts] = diffs;
+ const start = pos;
+ const end = pos + len - 1;
+ let i = binarySearchFirstItem(starts, x => x >= start);
+ if (starts[i] > start) {
+ --i;
+ }
+ let j = binarySearchFirstItem(starts, x => x >= end, i);
+ if (starts[j] > end) {
+ --j;
+ }
+ const oldStart = start + shifts[i];
+ const oldEnd = end + shifts[j];
+ const oldLen = oldEnd + 1 - oldStart;
+ return [oldStart, oldLen];
+}
+class PDFFindController {
+ #state = null;
+ #updateMatchesCountOnProgress = true;
+ #visitedPagesCount = 0;
+ constructor({
+ linkService,
+ eventBus,
+ updateMatchesCountOnProgress = true
+ }) {
+ this._linkService = linkService;
+ this._eventBus = eventBus;
+ this.#updateMatchesCountOnProgress = updateMatchesCountOnProgress;
+ this.onIsPageVisible = null;
+ this.#reset();
+ eventBus._on("find", this.#onFind.bind(this));
+ eventBus._on("findbarclose", this.#onFindBarClose.bind(this));
+ }
+ get highlightMatches() {
+ return this._highlightMatches;
+ }
+ get pageMatches() {
+ return this._pageMatches;
+ }
+ get pageMatchesLength() {
+ return this._pageMatchesLength;
+ }
+ get selected() {
+ return this._selected;
+ }
+ get state() {
+ return this.#state;
+ }
+ setDocument(pdfDocument) {
+ if (this._pdfDocument) {
+ this.#reset();
+ }
+ if (!pdfDocument) {
+ return;
+ }
+ this._pdfDocument = pdfDocument;
+ this._firstPageCapability.resolve();
+ }
+ #onFind(state) {
+ if (!state) {
+ return;
+ }
+ const pdfDocument = this._pdfDocument;
+ const {
+ type
+ } = state;
+ if (this.#state === null || this.#shouldDirtyMatch(state)) {
+ this._dirtyMatch = true;
+ }
+ this.#state = state;
+ if (type !== "highlightallchange") {
+ this.#updateUIState(FindState.PENDING);
+ }
+ this._firstPageCapability.promise.then(() => {
+ if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
+ return;
+ }
+ this.#extractText();
+ const findbarClosed = !this._highlightMatches;
+ const pendingTimeout = !!this._findTimeout;
+ if (this._findTimeout) {
+ clearTimeout(this._findTimeout);
+ this._findTimeout = null;
+ }
+ if (!type) {
+ this._findTimeout = setTimeout(() => {
+ this.#nextMatch();
+ this._findTimeout = null;
+ }, FIND_TIMEOUT);
+ } else if (this._dirtyMatch) {
+ this.#nextMatch();
+ } else if (type === "again") {
+ this.#nextMatch();
+ if (findbarClosed && this.#state.highlightAll) {
+ this.#updateAllPages();
+ }
+ } else if (type === "highlightallchange") {
+ if (pendingTimeout) {
+ this.#nextMatch();
+ } else {
+ this._highlightMatches = true;
+ }
+ this.#updateAllPages();
+ } else {
+ this.#nextMatch();
+ }
+ });
+ }
+ scrollMatchIntoView({
+ element = null,
+ selectedLeft = 0,
+ pageIndex = -1,
+ matchIndex = -1
+ }) {
+ if (!this._scrollMatches || !element) {
+ return;
+ } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
+ return;
+ } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
+ return;
+ }
+ this._scrollMatches = false;
+ const spot = {
+ top: MATCH_SCROLL_OFFSET_TOP,
+ left: selectedLeft
+ };
+ scrollIntoView(element, spot, true);
+ }
+ #reset() {
+ this._highlightMatches = false;
+ this._scrollMatches = false;
+ this._pdfDocument = null;
+ this._pageMatches = [];
+ this._pageMatchesLength = [];
+ this.#visitedPagesCount = 0;
+ this.#state = null;
+ this._selected = {
+ pageIdx: -1,
+ matchIdx: -1
+ };
+ this._offset = {
+ pageIdx: null,
+ matchIdx: null,
+ wrapped: false
+ };
+ this._extractTextPromises = [];
+ this._pageContents = [];
+ this._pageDiffs = [];
+ this._hasDiacritics = [];
+ this._matchesCountTotal = 0;
+ this._pagesToSearch = null;
+ this._pendingFindMatches = new Set();
+ this._resumePageIdx = null;
+ this._dirtyMatch = false;
+ clearTimeout(this._findTimeout);
+ this._findTimeout = null;
+ this._firstPageCapability = Promise.withResolvers();
+ }
+ get #query() {
+ const {
+ query
+ } = this.#state;
+ if (typeof query === "string") {
+ if (query !== this._rawQuery) {
+ this._rawQuery = query;
+ [this._normalizedQuery] = normalize(query);
+ }
+ return this._normalizedQuery;
+ }
+ return (query || []).filter(q => !!q).map(q => normalize(q)[0]);
+ }
+ #shouldDirtyMatch(state) {
+ const newQuery = state.query,
+ prevQuery = this.#state.query;
+ const newType = typeof newQuery,
+ prevType = typeof prevQuery;
+ if (newType !== prevType) {
+ return true;
+ }
+ if (newType === "string") {
+ if (newQuery !== prevQuery) {
+ return true;
+ }
+ } else if (JSON.stringify(newQuery) !== JSON.stringify(prevQuery)) {
+ return true;
+ }
+ switch (state.type) {
+ case "again":
+ const pageNumber = this._selected.pageIdx + 1;
+ const linkService = this._linkService;
+ return pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !(this.onIsPageVisible?.(pageNumber) ?? true);
+ case "highlightallchange":
+ return false;
+ }
+ return true;
+ }
+ #isEntireWord(content, startIdx, length) {
+ let match = content.slice(0, startIdx).match(NOT_DIACRITIC_FROM_END_REG_EXP);
+ if (match) {
+ const first = content.charCodeAt(startIdx);
+ const limit = match[1].charCodeAt(0);
+ if (getCharacterType(first) === getCharacterType(limit)) {
+ return false;
+ }
+ }
+ match = content.slice(startIdx + length).match(NOT_DIACRITIC_FROM_START_REG_EXP);
+ if (match) {
+ const last = content.charCodeAt(startIdx + length - 1);
+ const limit = match[1].charCodeAt(0);
+ if (getCharacterType(last) === getCharacterType(limit)) {
+ return false;
+ }
+ }
+ return true;
+ }
+ #convertToRegExpString(query, hasDiacritics) {
+ const {
+ matchDiacritics
+ } = this.#state;
+ let isUnicode = false;
+ query = query.replaceAll(SPECIAL_CHARS_REG_EXP, (match, p1, p2, p3, p4, p5) => {
+ if (p1) {
+ return `[ ]*\\${p1}[ ]*`;
+ }
+ if (p2) {
+ return `[ ]*${p2}[ ]*`;
+ }
+ if (p3) {
+ return "[ ]+";
+ }
+ if (matchDiacritics) {
+ return p4 || p5;
+ }
+ if (p4) {
+ return DIACRITICS_EXCEPTION.has(p4.charCodeAt(0)) ? p4 : "";
+ }
+ if (hasDiacritics) {
+ isUnicode = true;
+ return `${p5}\\p{M}*`;
+ }
+ return p5;
+ });
+ const trailingSpaces = "[ ]*";
+ if (query.endsWith(trailingSpaces)) {
+ query = query.slice(0, query.length - trailingSpaces.length);
+ }
+ if (matchDiacritics) {
+ if (hasDiacritics) {
+ DIACRITICS_EXCEPTION_STR ||= String.fromCharCode(...DIACRITICS_EXCEPTION);
+ isUnicode = true;
+ query = `${query}(?=[${DIACRITICS_EXCEPTION_STR}]|[^\\p{M}]|$)`;
+ }
+ }
+ return [isUnicode, query];
+ }
+ #calculateMatch(pageIndex) {
+ if (!this.#state) {
+ return;
+ }
+ const query = this.#query;
+ if (query.length === 0) {
+ return;
+ }
+ const pageContent = this._pageContents[pageIndex];
+ const matcherResult = this.match(query, pageContent, pageIndex);
+ const matches = this._pageMatches[pageIndex] = [];
+ const matchesLength = this._pageMatchesLength[pageIndex] = [];
+ const diffs = this._pageDiffs[pageIndex];
+ matcherResult?.forEach(({
+ index,
+ length
+ }) => {
+ const [matchPos, matchLen] = getOriginalIndex(diffs, index, length);
+ if (matchLen) {
+ matches.push(matchPos);
+ matchesLength.push(matchLen);
+ }
+ });
+ if (this.#state.highlightAll) {
+ this.#updatePage(pageIndex);
+ }
+ if (this._resumePageIdx === pageIndex) {
+ this._resumePageIdx = null;
+ this.#nextPageMatch();
+ }
+ const pageMatchesCount = matches.length;
+ this._matchesCountTotal += pageMatchesCount;
+ if (this.#updateMatchesCountOnProgress) {
+ if (pageMatchesCount > 0) {
+ this.#updateUIResultsCount();
+ }
+ } else if (++this.#visitedPagesCount === this._linkService.pagesCount) {
+ this.#updateUIResultsCount();
+ }
+ }
+ match(query, pageContent, pageIndex) {
+ const hasDiacritics = this._hasDiacritics[pageIndex];
+ let isUnicode = false;
+ if (typeof query === "string") {
+ [isUnicode, query] = this.#convertToRegExpString(query, hasDiacritics);
+ } else {
+ query = query.sort().reverse().map(q => {
+ const [isUnicodePart, queryPart] = this.#convertToRegExpString(q, hasDiacritics);
+ isUnicode ||= isUnicodePart;
+ return `(${queryPart})`;
+ }).join("|");
+ }
+ if (!query) {
+ return undefined;
+ }
+ const {
+ caseSensitive,
+ entireWord
+ } = this.#state;
+ const flags = `g${isUnicode ? "u" : ""}${caseSensitive ? "" : "i"}`;
+ query = new RegExp(query, flags);
+ const matches = [];
+ let match;
+ while ((match = query.exec(pageContent)) !== null) {
+ if (entireWord && !this.#isEntireWord(pageContent, match.index, match[0].length)) {
+ continue;
+ }
+ matches.push({
+ index: match.index,
+ length: match[0].length
+ });
+ }
+ return matches;
+ }
+ #extractText() {
+ if (this._extractTextPromises.length > 0) {
+ return;
+ }
+ let deferred = Promise.resolve();
+ const textOptions = {
+ disableNormalization: true
+ };
+ const pdfDoc = this._pdfDocument;
+ for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
+ const {
+ promise,
+ resolve
+ } = Promise.withResolvers();
+ this._extractTextPromises[i] = promise;
+ deferred = deferred.then(async () => {
+ if (pdfDoc !== this._pdfDocument) {
+ resolve();
+ return;
+ }
+ await pdfDoc.getPage(i + 1).then(pdfPage => pdfPage.getTextContent(textOptions)).then(textContent => {
+ const strBuf = [];
+ for (const textItem of textContent.items) {
+ strBuf.push(textItem.str);
+ if (textItem.hasEOL) {
+ strBuf.push("\n");
+ }
+ }
+ [this._pageContents[i], this._pageDiffs[i], this._hasDiacritics[i]] = normalize(strBuf.join(""));
+ resolve();
+ }, reason => {
+ console.error(`Unable to get text content for page ${i + 1}`, reason);
+ this._pageContents[i] = "";
+ this._pageDiffs[i] = null;
+ this._hasDiacritics[i] = false;
+ resolve();
+ });
+ });
+ }
+ }
+ #updatePage(index) {
+ if (this._scrollMatches && this._selected.pageIdx === index) {
+ this._linkService.page = index + 1;
+ }
+ this._eventBus.dispatch("updatetextlayermatches", {
+ source: this,
+ pageIndex: index
+ });
+ }
+ #updateAllPages() {
+ this._eventBus.dispatch("updatetextlayermatches", {
+ source: this,
+ pageIndex: -1
+ });
+ }
+ #nextMatch() {
+ const previous = this.#state.findPrevious;
+ const currentPageIndex = this._linkService.page - 1;
+ const numPages = this._linkService.pagesCount;
+ this._highlightMatches = true;
+ if (this._dirtyMatch) {
+ this._dirtyMatch = false;
+ this._selected.pageIdx = this._selected.matchIdx = -1;
+ this._offset.pageIdx = currentPageIndex;
+ this._offset.matchIdx = null;
+ this._offset.wrapped = false;
+ this._resumePageIdx = null;
+ this._pageMatches.length = 0;
+ this._pageMatchesLength.length = 0;
+ this.#visitedPagesCount = 0;
+ this._matchesCountTotal = 0;
+ this.#updateAllPages();
+ for (let i = 0; i < numPages; i++) {
+ if (this._pendingFindMatches.has(i)) {
+ continue;
+ }
+ this._pendingFindMatches.add(i);
+ this._extractTextPromises[i].then(() => {
+ this._pendingFindMatches.delete(i);
+ this.#calculateMatch(i);
+ });
+ }
+ }
+ const query = this.#query;
+ if (query.length === 0) {
+ this.#updateUIState(FindState.FOUND);
+ return;
+ }
+ if (this._resumePageIdx) {
+ return;
+ }
+ const offset = this._offset;
+ this._pagesToSearch = numPages;
+ if (offset.matchIdx !== null) {
+ const numPageMatches = this._pageMatches[offset.pageIdx].length;
+ if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
+ offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
+ this.#updateMatch(true);
+ return;
+ }
+ this.#advanceOffsetPage(previous);
+ }
+ this.#nextPageMatch();
+ }
+ #matchesReady(matches) {
+ const offset = this._offset;
+ const numMatches = matches.length;
+ const previous = this.#state.findPrevious;
+ if (numMatches) {
+ offset.matchIdx = previous ? numMatches - 1 : 0;
+ this.#updateMatch(true);
+ return true;
+ }
+ this.#advanceOffsetPage(previous);
+ if (offset.wrapped) {
+ offset.matchIdx = null;
+ if (this._pagesToSearch < 0) {
+ this.#updateMatch(false);
+ return true;
+ }
+ }
+ return false;
+ }
+ #nextPageMatch() {
+ if (this._resumePageIdx !== null) {
+ console.error("There can only be one pending page.");
+ }
+ let matches = null;
+ do {
+ const pageIdx = this._offset.pageIdx;
+ matches = this._pageMatches[pageIdx];
+ if (!matches) {
+ this._resumePageIdx = pageIdx;
+ break;
+ }
+ } while (!this.#matchesReady(matches));
+ }
+ #advanceOffsetPage(previous) {
+ const offset = this._offset;
+ const numPages = this._linkService.pagesCount;
+ offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
+ offset.matchIdx = null;
+ this._pagesToSearch--;
+ if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
+ offset.pageIdx = previous ? numPages - 1 : 0;
+ offset.wrapped = true;
+ }
+ }
+ #updateMatch(found = false) {
+ let state = FindState.NOT_FOUND;
+ const wrapped = this._offset.wrapped;
+ this._offset.wrapped = false;
+ if (found) {
+ const previousPage = this._selected.pageIdx;
+ this._selected.pageIdx = this._offset.pageIdx;
+ this._selected.matchIdx = this._offset.matchIdx;
+ state = wrapped ? FindState.WRAPPED : FindState.FOUND;
+ if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
+ this.#updatePage(previousPage);
+ }
+ }
+ this.#updateUIState(state, this.#state.findPrevious);
+ if (this._selected.pageIdx !== -1) {
+ this._scrollMatches = true;
+ this.#updatePage(this._selected.pageIdx);
+ }
+ }
+ #onFindBarClose(evt) {
+ const pdfDocument = this._pdfDocument;
+ this._firstPageCapability.promise.then(() => {
+ if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
+ return;
+ }
+ if (this._findTimeout) {
+ clearTimeout(this._findTimeout);
+ this._findTimeout = null;
+ }
+ if (this._resumePageIdx) {
+ this._resumePageIdx = null;
+ this._dirtyMatch = true;
+ }
+ this.#updateUIState(FindState.FOUND);
+ this._highlightMatches = false;
+ this.#updateAllPages();
+ });
+ }
+ #requestMatchesCount() {
+ const {
+ pageIdx,
+ matchIdx
+ } = this._selected;
+ let current = 0,
+ total = this._matchesCountTotal;
+ if (matchIdx !== -1) {
+ for (let i = 0; i < pageIdx; i++) {
+ current += this._pageMatches[i]?.length || 0;
+ }
+ current += matchIdx + 1;
+ }
+ if (current < 1 || current > total) {
+ current = total = 0;
+ }
+ return {
+ current,
+ total
+ };
+ }
+ #updateUIResultsCount() {
+ this._eventBus.dispatch("updatefindmatchescount", {
+ source: this,
+ matchesCount: this.#requestMatchesCount()
+ });
+ }
+ #updateUIState(state, previous = false) {
+ if (!this.#updateMatchesCountOnProgress && (this.#visitedPagesCount !== this._linkService.pagesCount || state === FindState.PENDING)) {
+ return;
+ }
+ this._eventBus.dispatch("updatefindcontrolstate", {
+ source: this,
+ state,
+ previous,
+ entireWord: this.#state?.entireWord ?? null,
+ matchesCount: this.#requestMatchesCount(),
+ rawQuery: this.#state?.query ?? null
+ });
+ }
+}
+
+;// ./web/pdf_find_bar.js
+
+
+const MATCHES_COUNT_LIMIT = 1000;
+class PDFFindBar {
+ #mainContainer;
+ #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this));
+ constructor(options, mainContainer, eventBus) {
+ this.opened = false;
+ this.bar = options.bar;
+ this.toggleButton = options.toggleButton;
+ this.findField = options.findField;
+ this.highlightAll = options.highlightAllCheckbox;
+ this.caseSensitive = options.caseSensitiveCheckbox;
+ this.matchDiacritics = options.matchDiacriticsCheckbox;
+ this.entireWord = options.entireWordCheckbox;
+ this.findMsg = options.findMsg;
+ this.findResultsCount = options.findResultsCount;
+ this.findPreviousButton = options.findPreviousButton;
+ this.findNextButton = options.findNextButton;
+ this.eventBus = eventBus;
+ this.#mainContainer = mainContainer;
+ const checkedInputs = new Map([[this.highlightAll, "highlightallchange"], [this.caseSensitive, "casesensitivitychange"], [this.entireWord, "entirewordchange"], [this.matchDiacritics, "diacriticmatchingchange"]]);
+ this.toggleButton.addEventListener("click", () => {
+ this.toggle();
+ });
+ this.findField.addEventListener("input", () => {
+ this.dispatchEvent("");
+ });
+ this.bar.addEventListener("keydown", ({
+ keyCode,
+ shiftKey,
+ target
+ }) => {
+ switch (keyCode) {
+ case 13:
+ if (target === this.findField) {
+ this.dispatchEvent("again", shiftKey);
+ } else if (checkedInputs.has(target)) {
+ target.checked = !target.checked;
+ this.dispatchEvent(checkedInputs.get(target));
+ }
+ break;
+ case 27:
+ this.close();
+ break;
+ }
+ });
+ this.findPreviousButton.addEventListener("click", () => {
+ this.dispatchEvent("again", true);
+ });
+ this.findNextButton.addEventListener("click", () => {
+ this.dispatchEvent("again", false);
+ });
+ for (const [elem, evtName] of checkedInputs) {
+ elem.addEventListener("click", () => {
+ this.dispatchEvent(evtName);
+ });
+ }
+ }
+ reset() {
+ this.updateUIState();
+ }
+ dispatchEvent(type, findPrev = false) {
+ this.eventBus.dispatch("find", {
+ source: this,
+ type,
+ query: this.findField.value,
+ caseSensitive: this.caseSensitive.checked,
+ entireWord: this.entireWord.checked,
+ highlightAll: this.highlightAll.checked,
+ findPrevious: findPrev,
+ matchDiacritics: this.matchDiacritics.checked
+ });
+ }
+ updateUIState(state, previous, matchesCount) {
+ const {
+ findField,
+ findMsg
+ } = this;
+ let findMsgId = "",
+ status = "";
+ switch (state) {
+ case FindState.FOUND:
+ break;
+ case FindState.PENDING:
+ status = "pending";
+ break;
+ case FindState.NOT_FOUND:
+ findMsgId = "pdfjs-find-not-found";
+ status = "notFound";
+ break;
+ case FindState.WRAPPED:
+ findMsgId = previous ? "pdfjs-find-reached-top" : "pdfjs-find-reached-bottom";
+ break;
+ }
+ findField.setAttribute("data-status", status);
+ findField.setAttribute("aria-invalid", state === FindState.NOT_FOUND);
+ findMsg.setAttribute("data-status", status);
+ if (findMsgId) {
+ findMsg.setAttribute("data-l10n-id", findMsgId);
+ } else {
+ findMsg.removeAttribute("data-l10n-id");
+ findMsg.textContent = "";
+ }
+ this.updateResultsCount(matchesCount);
+ }
+ updateResultsCount({
+ current = 0,
+ total = 0
+ } = {}) {
+ const {
+ findResultsCount
+ } = this;
+ if (total > 0) {
+ const limit = MATCHES_COUNT_LIMIT;
+ findResultsCount.setAttribute("data-l10n-id", total > limit ? "pdfjs-find-match-count-limit" : "pdfjs-find-match-count");
+ findResultsCount.setAttribute("data-l10n-args", JSON.stringify({
+ limit,
+ current,
+ total
+ }));
+ } else {
+ findResultsCount.removeAttribute("data-l10n-id");
+ findResultsCount.textContent = "";
+ }
+ }
+ open() {
+ if (!this.opened) {
+ this.#resizeObserver.observe(this.#mainContainer);
+ this.#resizeObserver.observe(this.bar);
+ this.opened = true;
+ toggleExpandedBtn(this.toggleButton, true, this.bar);
+ }
+ this.findField.select();
+ this.findField.focus();
+ }
+ close() {
+ if (!this.opened) {
+ return;
+ }
+ this.#resizeObserver.disconnect();
+ this.opened = false;
+ toggleExpandedBtn(this.toggleButton, false, this.bar);
+ this.eventBus.dispatch("findbarclose", {
+ source: this
+ });
+ }
+ toggle() {
+ if (this.opened) {
+ this.close();
+ } else {
+ this.open();
+ }
+ }
+ #resizeObserverCallback() {
+ const {
+ bar
+ } = this;
+ bar.classList.remove("wrapContainers");
+ const findbarHeight = bar.clientHeight;
+ const inputContainerHeight = bar.firstElementChild.clientHeight;
+ if (findbarHeight > inputContainerHeight) {
+ bar.classList.add("wrapContainers");
+ }
+ }
+}
+
+;// ./web/pdf_history.js
+
+
+
+const HASH_CHANGE_TIMEOUT = 1000;
+const POSITION_UPDATED_THRESHOLD = 50;
+const UPDATE_VIEWAREA_TIMEOUT = 1000;
+function getCurrentHash() {
+ return document.location.hash;
+}
+class PDFHistory {
+ #eventAbortController = null;
+ constructor({
+ linkService,
+ eventBus
+ }) {
+ this.linkService = linkService;
+ this.eventBus = eventBus;
+ this._initialized = false;
+ this._fingerprint = "";
+ this.reset();
+ this.eventBus._on("pagesinit", () => {
+ this._isPagesLoaded = false;
+ this.eventBus._on("pagesloaded", evt => {
+ this._isPagesLoaded = !!evt.pagesCount;
+ }, {
+ once: true
+ });
+ });
+ }
+ initialize({
+ fingerprint,
+ resetHistory = false,
+ updateUrl = false
+ }) {
+ if (!fingerprint || typeof fingerprint !== "string") {
+ console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
+ return;
+ }
+ if (this._initialized) {
+ this.reset();
+ }
+ const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
+ this._fingerprint = fingerprint;
+ this._updateUrl = updateUrl === true;
+ this._initialized = true;
+ this.#bindEvents();
+ const state = window.history.state;
+ this._popStateInProgress = false;
+ this._blockHashChange = 0;
+ this._currentHash = getCurrentHash();
+ this._numPositionUpdates = 0;
+ this._uid = this._maxUid = 0;
+ this._destination = null;
+ this._position = null;
+ if (!this.#isValidState(state, true) || resetHistory) {
+ const {
+ hash,
+ page,
+ rotation
+ } = this.#parseCurrentHash(true);
+ if (!hash || reInitialized || resetHistory) {
+ this.#pushOrReplaceState(null, true);
+ return;
+ }
+ this.#pushOrReplaceState({
+ hash,
+ page,
+ rotation
+ }, true);
+ return;
+ }
+ const destination = state.destination;
+ this.#updateInternalState(destination, state.uid, true);
+ if (destination.rotation !== undefined) {
+ this._initialRotation = destination.rotation;
+ }
+ if (destination.dest) {
+ this._initialBookmark = JSON.stringify(destination.dest);
+ this._destination.page = null;
+ } else if (destination.hash) {
+ this._initialBookmark = destination.hash;
+ } else if (destination.page) {
+ this._initialBookmark = `page=${destination.page}`;
+ }
+ }
+ reset() {
+ if (this._initialized) {
+ this.#pageHide();
+ this._initialized = false;
+ this.#unbindEvents();
+ }
+ if (this._updateViewareaTimeout) {
+ clearTimeout(this._updateViewareaTimeout);
+ this._updateViewareaTimeout = null;
+ }
+ this._initialBookmark = null;
+ this._initialRotation = null;
+ }
+ push({
+ namedDest = null,
+ explicitDest,
+ pageNumber
+ }) {
+ if (!this._initialized) {
+ return;
+ }
+ if (namedDest && typeof namedDest !== "string") {
+ console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`);
+ return;
+ } else if (!Array.isArray(explicitDest)) {
+ console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`);
+ return;
+ } else if (!this.#isValidPage(pageNumber)) {
+ if (pageNumber !== null || this._destination) {
+ console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`);
+ return;
+ }
+ }
+ const hash = namedDest || JSON.stringify(explicitDest);
+ if (!hash) {
+ return;
+ }
+ let forceReplace = false;
+ if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
+ if (this._destination.page) {
+ return;
+ }
+ forceReplace = true;
+ }
+ if (this._popStateInProgress && !forceReplace) {
+ return;
+ }
+ this.#pushOrReplaceState({
+ dest: explicitDest,
+ hash,
+ page: pageNumber,
+ rotation: this.linkService.rotation
+ }, forceReplace);
+ if (!this._popStateInProgress) {
+ this._popStateInProgress = true;
+ Promise.resolve().then(() => {
+ this._popStateInProgress = false;
+ });
+ }
+ }
+ pushPage(pageNumber) {
+ if (!this._initialized) {
+ return;
+ }
+ if (!this.#isValidPage(pageNumber)) {
+ console.error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`);
+ return;
+ }
+ if (this._destination?.page === pageNumber) {
+ return;
+ }
+ if (this._popStateInProgress) {
+ return;
+ }
+ this.#pushOrReplaceState({
+ dest: null,
+ hash: `page=${pageNumber}`,
+ page: pageNumber,
+ rotation: this.linkService.rotation
+ });
+ if (!this._popStateInProgress) {
+ this._popStateInProgress = true;
+ Promise.resolve().then(() => {
+ this._popStateInProgress = false;
+ });
+ }
+ }
+ pushCurrentPosition() {
+ if (!this._initialized || this._popStateInProgress) {
+ return;
+ }
+ this.#tryPushCurrentPosition();
+ }
+ back() {
+ if (!this._initialized || this._popStateInProgress) {
+ return;
+ }
+ const state = window.history.state;
+ if (this.#isValidState(state) && state.uid > 0) {
+ window.history.back();
+ }
+ }
+ forward() {
+ if (!this._initialized || this._popStateInProgress) {
+ return;
+ }
+ const state = window.history.state;
+ if (this.#isValidState(state) && state.uid < this._maxUid) {
+ window.history.forward();
+ }
+ }
+ get popStateInProgress() {
+ return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
+ }
+ get initialBookmark() {
+ return this._initialized ? this._initialBookmark : null;
+ }
+ get initialRotation() {
+ return this._initialized ? this._initialRotation : null;
+ }
+ #pushOrReplaceState(destination, forceReplace = false) {
+ const shouldReplace = forceReplace || !this._destination;
+ const newState = {
+ fingerprint: this._fingerprint,
+ uid: shouldReplace ? this._uid : this._uid + 1,
+ destination
+ };
+ this.#updateInternalState(destination, newState.uid);
+ let newUrl;
+ if (this._updateUrl && destination?.hash) {
+ const {
+ href,
+ protocol
+ } = document.location;
+ if (protocol !== "file:") {
+ newUrl = updateUrlHash(href, destination.hash);
+ }
+ }
+ if (shouldReplace) {
+ window.history.replaceState(newState, "", newUrl);
+ } else {
+ window.history.pushState(newState, "", newUrl);
+ }
+ }
+ #tryPushCurrentPosition(temporary = false) {
+ if (!this._position) {
+ return;
+ }
+ let position = this._position;
+ if (temporary) {
+ position = Object.assign(Object.create(null), this._position);
+ position.temporary = true;
+ }
+ if (!this._destination) {
+ this.#pushOrReplaceState(position);
+ return;
+ }
+ if (this._destination.temporary) {
+ this.#pushOrReplaceState(position, true);
+ return;
+ }
+ if (this._destination.hash === position.hash) {
+ return;
+ }
+ if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
+ return;
+ }
+ let forceReplace = false;
+ if (this._destination.page >= position.first && this._destination.page <= position.page) {
+ if (this._destination.dest !== undefined || !this._destination.first) {
+ return;
+ }
+ forceReplace = true;
+ }
+ this.#pushOrReplaceState(position, forceReplace);
+ }
+ #isValidPage(val) {
+ return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount;
+ }
+ #isValidState(state, checkReload = false) {
+ if (!state) {
+ return false;
+ }
+ if (state.fingerprint !== this._fingerprint) {
+ if (checkReload) {
+ if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
+ return false;
+ }
+ const [perfEntry] = performance.getEntriesByType("navigation");
+ if (perfEntry?.type !== "reload") {
+ return false;
+ }
+ } else {
+ return false;
+ }
+ }
+ if (!Number.isInteger(state.uid) || state.uid < 0) {
+ return false;
+ }
+ if (state.destination === null || typeof state.destination !== "object") {
+ return false;
+ }
+ return true;
+ }
+ #updateInternalState(destination, uid, removeTemporary = false) {
+ if (this._updateViewareaTimeout) {
+ clearTimeout(this._updateViewareaTimeout);
+ this._updateViewareaTimeout = null;
+ }
+ if (removeTemporary && destination?.temporary) {
+ delete destination.temporary;
+ }
+ this._destination = destination;
+ this._uid = uid;
+ this._maxUid = Math.max(this._maxUid, uid);
+ this._numPositionUpdates = 0;
+ }
+ #parseCurrentHash(checkNameddest = false) {
+ const hash = unescape(getCurrentHash()).substring(1);
+ const params = parseQueryString(hash);
+ const nameddest = params.get("nameddest") || "";
+ let page = params.get("page") | 0;
+ if (!this.#isValidPage(page) || checkNameddest && nameddest.length > 0) {
+ page = null;
+ }
+ return {
+ hash,
+ page,
+ rotation: this.linkService.rotation
+ };
+ }
+ #updateViewarea({
+ location
+ }) {
+ if (this._updateViewareaTimeout) {
+ clearTimeout(this._updateViewareaTimeout);
+ this._updateViewareaTimeout = null;
+ }
+ this._position = {
+ hash: location.pdfOpenParams.substring(1),
+ page: this.linkService.page,
+ first: location.pageNumber,
+ rotation: location.rotation
+ };
+ if (this._popStateInProgress) {
+ return;
+ }
+ if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
+ this._numPositionUpdates++;
+ }
+ if (UPDATE_VIEWAREA_TIMEOUT > 0) {
+ this._updateViewareaTimeout = setTimeout(() => {
+ if (!this._popStateInProgress) {
+ this.#tryPushCurrentPosition(true);
+ }
+ this._updateViewareaTimeout = null;
+ }, UPDATE_VIEWAREA_TIMEOUT);
+ }
+ }
+ #popState({
+ state
+ }) {
+ const newHash = getCurrentHash(),
+ hashChanged = this._currentHash !== newHash;
+ this._currentHash = newHash;
+ if (!state) {
+ this._uid++;
+ const {
+ hash,
+ page,
+ rotation
+ } = this.#parseCurrentHash();
+ this.#pushOrReplaceState({
+ hash,
+ page,
+ rotation
+ }, true);
+ return;
+ }
+ if (!this.#isValidState(state)) {
+ return;
+ }
+ this._popStateInProgress = true;
+ if (hashChanged) {
+ this._blockHashChange++;
+ waitOnEventOrTimeout({
+ target: window,
+ name: "hashchange",
+ delay: HASH_CHANGE_TIMEOUT
+ }).then(() => {
+ this._blockHashChange--;
+ });
+ }
+ const destination = state.destination;
+ this.#updateInternalState(destination, state.uid, true);
+ if (isValidRotation(destination.rotation)) {
+ this.linkService.rotation = destination.rotation;
+ }
+ if (destination.dest) {
+ this.linkService.goToDestination(destination.dest);
+ } else if (destination.hash) {
+ this.linkService.setHash(destination.hash);
+ } else if (destination.page) {
+ this.linkService.page = destination.page;
+ }
+ Promise.resolve().then(() => {
+ this._popStateInProgress = false;
+ });
+ }
+ #pageHide() {
+ if (!this._destination || this._destination.temporary) {
+ this.#tryPushCurrentPosition();
+ }
+ }
+ #bindEvents() {
+ if (this.#eventAbortController) {
+ return;
+ }
+ this.#eventAbortController = new AbortController();
+ const {
+ signal
+ } = this.#eventAbortController;
+ this.eventBus._on("updateviewarea", this.#updateViewarea.bind(this), {
+ signal
+ });
+ window.addEventListener("popstate", this.#popState.bind(this), {
+ signal
+ });
+ window.addEventListener("pagehide", this.#pageHide.bind(this), {
+ signal
+ });
+ }
+ #unbindEvents() {
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ }
+}
+function isDestHashesEqual(destHash, pushHash) {
+ if (typeof destHash !== "string" || typeof pushHash !== "string") {
+ return false;
+ }
+ if (destHash === pushHash) {
+ return true;
+ }
+ const nameddest = parseQueryString(destHash).get("nameddest");
+ if (nameddest === pushHash) {
+ return true;
+ }
+ return false;
+}
+function isDestArraysEqual(firstDest, secondDest) {
+ function isEntryEqual(first, second) {
+ if (typeof first !== typeof second) {
+ return false;
+ }
+ if (Array.isArray(first) || Array.isArray(second)) {
+ return false;
+ }
+ if (first !== null && typeof first === "object" && second !== null) {
+ if (Object.keys(first).length !== Object.keys(second).length) {
+ return false;
+ }
+ for (const key in first) {
+ if (!isEntryEqual(first[key], second[key])) {
+ return false;
+ }
+ }
+ return true;
+ }
+ return first === second || Number.isNaN(first) && Number.isNaN(second);
+ }
+ if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
+ return false;
+ }
+ if (firstDest.length !== secondDest.length) {
+ return false;
+ }
+ for (let i = 0, ii = firstDest.length; i < ii; i++) {
+ if (!isEntryEqual(firstDest[i], secondDest[i])) {
+ return false;
+ }
+ }
+ return true;
+}
+
+;// ./web/pdf_layer_viewer.js
+
+class PDFLayerViewer extends BaseTreeViewer {
+ constructor(options) {
+ super(options);
+ this.eventBus._on("optionalcontentconfigchanged", evt => {
+ this.#updateLayers(evt.promise);
+ });
+ this.eventBus._on("resetlayers", () => {
+ this.#updateLayers();
+ });
+ this.eventBus._on("togglelayerstree", this._toggleAllTreeItems.bind(this));
+ }
+ reset() {
+ super.reset();
+ this._optionalContentConfig = null;
+ this._optionalContentVisibility?.clear();
+ this._optionalContentVisibility = null;
+ }
+ _dispatchEvent(layersCount) {
+ this.eventBus.dispatch("layersloaded", {
+ source: this,
+ layersCount
+ });
+ }
+ _bindLink(element, {
+ groupId,
+ input
+ }) {
+ const setVisibility = () => {
+ const visible = input.checked;
+ this._optionalContentConfig.setVisibility(groupId, visible);
+ const cached = this._optionalContentVisibility.get(groupId);
+ if (cached) {
+ cached.visible = visible;
+ }
+ this.eventBus.dispatch("optionalcontentconfig", {
+ source: this,
+ promise: Promise.resolve(this._optionalContentConfig)
+ });
+ };
+ element.onclick = evt => {
+ if (evt.target === input) {
+ setVisibility();
+ return true;
+ } else if (evt.target !== element) {
+ return true;
+ }
+ input.checked = !input.checked;
+ setVisibility();
+ return false;
+ };
+ }
+ _setNestedName(element, {
+ name = null
+ }) {
+ if (typeof name === "string") {
+ element.textContent = this._normalizeTextContent(name);
+ return;
+ }
+ element.setAttribute("data-l10n-id", "pdfjs-additional-layers");
+ element.style.fontStyle = "italic";
+ this._l10n.translateOnce(element);
+ }
+ _addToggleButton(div, {
+ name = null
+ }) {
+ super._addToggleButton(div, name === null);
+ }
+ _toggleAllTreeItems() {
+ if (!this._optionalContentConfig) {
+ return;
+ }
+ super._toggleAllTreeItems();
+ }
+ render({
+ optionalContentConfig,
+ pdfDocument
+ }) {
+ if (this._optionalContentConfig) {
+ this.reset();
+ }
+ this._optionalContentConfig = optionalContentConfig || null;
+ this._pdfDocument = pdfDocument || null;
+ const groups = optionalContentConfig?.getOrder();
+ if (!groups) {
+ this._dispatchEvent(0);
+ return;
+ }
+ this._optionalContentVisibility = new Map();
+ const fragment = document.createDocumentFragment(),
+ queue = [{
+ parent: fragment,
+ groups
+ }];
+ let layersCount = 0,
+ hasAnyNesting = false;
+ while (queue.length > 0) {
+ const levelData = queue.shift();
+ for (const groupId of levelData.groups) {
+ const div = document.createElement("div");
+ div.className = "treeItem";
+ const element = document.createElement("a");
+ div.append(element);
+ if (typeof groupId === "object") {
+ hasAnyNesting = true;
+ this._addToggleButton(div, groupId);
+ this._setNestedName(element, groupId);
+ const itemsDiv = document.createElement("div");
+ itemsDiv.className = "treeItems";
+ div.append(itemsDiv);
+ queue.push({
+ parent: itemsDiv,
+ groups: groupId.order
+ });
+ } else {
+ const group = optionalContentConfig.getGroup(groupId);
+ const input = document.createElement("input");
+ this._bindLink(element, {
+ groupId,
+ input
+ });
+ input.type = "checkbox";
+ input.checked = group.visible;
+ this._optionalContentVisibility.set(groupId, {
+ input,
+ visible: input.checked
+ });
+ const label = document.createElement("label");
+ label.textContent = this._normalizeTextContent(group.name);
+ label.append(input);
+ element.append(label);
+ layersCount++;
+ }
+ levelData.parent.append(div);
+ }
+ }
+ this._finishRendering(fragment, layersCount, hasAnyNesting);
+ }
+ async #updateLayers(promise = null) {
+ if (!this._optionalContentConfig) {
+ return;
+ }
+ const pdfDocument = this._pdfDocument;
+ const optionalContentConfig = await (promise || pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ }));
+ if (pdfDocument !== this._pdfDocument) {
+ return;
+ }
+ if (promise) {
+ for (const [groupId, cached] of this._optionalContentVisibility) {
+ const group = optionalContentConfig.getGroup(groupId);
+ if (group && cached.visible !== group.visible) {
+ cached.input.checked = cached.visible = !cached.visible;
+ }
+ }
+ return;
+ }
+ this.eventBus.dispatch("optionalcontentconfig", {
+ source: this,
+ promise: Promise.resolve(optionalContentConfig)
+ });
+ this.render({
+ optionalContentConfig,
+ pdfDocument: this._pdfDocument
+ });
+ }
+}
+
+;// ./web/pdf_outline_viewer.js
+
+
+class PDFOutlineViewer extends BaseTreeViewer {
+ constructor(options) {
+ super(options);
+ this.linkService = options.linkService;
+ this.downloadManager = options.downloadManager;
+ this.eventBus._on("toggleoutlinetree", this._toggleAllTreeItems.bind(this));
+ this.eventBus._on("currentoutlineitem", this._currentOutlineItem.bind(this));
+ this.eventBus._on("pagechanging", evt => {
+ this._currentPageNumber = evt.pageNumber;
+ });
+ this.eventBus._on("pagesloaded", evt => {
+ this._isPagesLoaded = !!evt.pagesCount;
+ this._currentOutlineItemCapability?.resolve(this._isPagesLoaded);
+ });
+ this.eventBus._on("sidebarviewchanged", evt => {
+ this._sidebarView = evt.view;
+ });
+ }
+ reset() {
+ super.reset();
+ this._outline = null;
+ this._pageNumberToDestHashCapability = null;
+ this._currentPageNumber = 1;
+ this._isPagesLoaded = null;
+ this._currentOutlineItemCapability?.resolve(false);
+ this._currentOutlineItemCapability = null;
+ }
+ _dispatchEvent(outlineCount) {
+ this._currentOutlineItemCapability = Promise.withResolvers();
+ if (outlineCount === 0 || this._pdfDocument?.loadingParams.disableAutoFetch) {
+ this._currentOutlineItemCapability.resolve(false);
+ } else if (this._isPagesLoaded !== null) {
+ this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
+ }
+ this.eventBus.dispatch("outlineloaded", {
+ source: this,
+ outlineCount,
+ currentOutlineItemPromise: this._currentOutlineItemCapability.promise
+ });
+ }
+ _bindLink(element, {
+ url,
+ newWindow,
+ action,
+ attachment,
+ dest,
+ setOCGState
+ }) {
+ const {
+ linkService
+ } = this;
+ if (url) {
+ linkService.addLinkAttributes(element, url, newWindow);
+ return;
+ }
+ if (action) {
+ element.href = linkService.getAnchorUrl("");
+ element.onclick = () => {
+ linkService.executeNamedAction(action);
+ return false;
+ };
+ return;
+ }
+ if (attachment) {
+ element.href = linkService.getAnchorUrl("");
+ element.onclick = () => {
+ this.downloadManager.openOrDownloadData(attachment.content, attachment.filename);
+ return false;
+ };
+ return;
+ }
+ if (setOCGState) {
+ element.href = linkService.getAnchorUrl("");
+ element.onclick = () => {
+ linkService.executeSetOCGState(setOCGState);
+ return false;
+ };
+ return;
+ }
+ element.href = linkService.getDestinationHash(dest);
+ element.onclick = evt => {
+ this._updateCurrentTreeItem(evt.target.parentNode);
+ if (dest) {
+ linkService.goToDestination(dest);
+ }
+ return false;
+ };
+ }
+ _setStyles(element, {
+ bold,
+ italic
+ }) {
+ if (bold) {
+ element.style.fontWeight = "bold";
+ }
+ if (italic) {
+ element.style.fontStyle = "italic";
+ }
+ }
+ _addToggleButton(div, {
+ count,
+ items
+ }) {
+ let hidden = false;
+ if (count < 0) {
+ let totalCount = items.length;
+ if (totalCount > 0) {
+ const queue = [...items];
+ while (queue.length > 0) {
+ const {
+ count: nestedCount,
+ items: nestedItems
+ } = queue.shift();
+ if (nestedCount > 0 && nestedItems.length > 0) {
+ totalCount += nestedItems.length;
+ queue.push(...nestedItems);
+ }
+ }
+ }
+ if (Math.abs(count) === totalCount) {
+ hidden = true;
+ }
+ }
+ super._addToggleButton(div, hidden);
+ }
+ _toggleAllTreeItems() {
+ if (!this._outline) {
+ return;
+ }
+ super._toggleAllTreeItems();
+ }
+ render({
+ outline,
+ pdfDocument
+ }) {
+ if (this._outline) {
+ this.reset();
+ }
+ this._outline = outline || null;
+ this._pdfDocument = pdfDocument || null;
+ if (!outline) {
+ this._dispatchEvent(0);
+ return;
+ }
+ const fragment = document.createDocumentFragment();
+ const queue = [{
+ parent: fragment,
+ items: outline
+ }];
+ let outlineCount = 0,
+ hasAnyNesting = false;
+ while (queue.length > 0) {
+ const levelData = queue.shift();
+ for (const item of levelData.items) {
+ const div = document.createElement("div");
+ div.className = "treeItem";
+ const element = document.createElement("a");
+ this._bindLink(element, item);
+ this._setStyles(element, item);
+ element.textContent = this._normalizeTextContent(item.title);
+ div.append(element);
+ if (item.items.length > 0) {
+ hasAnyNesting = true;
+ this._addToggleButton(div, item);
+ const itemsDiv = document.createElement("div");
+ itemsDiv.className = "treeItems";
+ div.append(itemsDiv);
+ queue.push({
+ parent: itemsDiv,
+ items: item.items
+ });
+ }
+ levelData.parent.append(div);
+ outlineCount++;
+ }
+ }
+ this._finishRendering(fragment, outlineCount, hasAnyNesting);
+ }
+ async _currentOutlineItem() {
+ if (!this._isPagesLoaded) {
+ throw new Error("_currentOutlineItem: All pages have not been loaded.");
+ }
+ if (!this._outline || !this._pdfDocument) {
+ return;
+ }
+ const pageNumberToDestHash = await this._getPageNumberToDestHash(this._pdfDocument);
+ if (!pageNumberToDestHash) {
+ return;
+ }
+ this._updateCurrentTreeItem(null);
+ if (this._sidebarView !== SidebarView.OUTLINE) {
+ return;
+ }
+ for (let i = this._currentPageNumber; i > 0; i--) {
+ const destHash = pageNumberToDestHash.get(i);
+ if (!destHash) {
+ continue;
+ }
+ const linkElement = this.container.querySelector(`a[href="${destHash}"]`);
+ if (!linkElement) {
+ continue;
+ }
+ this._scrollToCurrentTreeItem(linkElement.parentNode);
+ break;
+ }
+ }
+ async _getPageNumberToDestHash(pdfDocument) {
+ if (this._pageNumberToDestHashCapability) {
+ return this._pageNumberToDestHashCapability.promise;
+ }
+ this._pageNumberToDestHashCapability = Promise.withResolvers();
+ const pageNumberToDestHash = new Map(),
+ pageNumberNesting = new Map();
+ const queue = [{
+ nesting: 0,
+ items: this._outline
+ }];
+ while (queue.length > 0) {
+ const levelData = queue.shift(),
+ currentNesting = levelData.nesting;
+ for (const {
+ dest,
+ items
+ } of levelData.items) {
+ let explicitDest, pageNumber;
+ if (typeof dest === "string") {
+ explicitDest = await pdfDocument.getDestination(dest);
+ if (pdfDocument !== this._pdfDocument) {
+ return null;
+ }
+ } else {
+ explicitDest = dest;
+ }
+ if (Array.isArray(explicitDest)) {
+ const [destRef] = explicitDest;
+ if (destRef && typeof destRef === "object") {
+ pageNumber = pdfDocument.cachedPageNumber(destRef);
+ } else if (Number.isInteger(destRef)) {
+ pageNumber = destRef + 1;
+ }
+ if (Number.isInteger(pageNumber) && (!pageNumberToDestHash.has(pageNumber) || currentNesting > pageNumberNesting.get(pageNumber))) {
+ const destHash = this.linkService.getDestinationHash(dest);
+ pageNumberToDestHash.set(pageNumber, destHash);
+ pageNumberNesting.set(pageNumber, currentNesting);
+ }
+ }
+ if (items.length > 0) {
+ queue.push({
+ nesting: currentNesting + 1,
+ items
+ });
+ }
+ }
+ }
+ this._pageNumberToDestHashCapability.resolve(pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null);
+ return this._pageNumberToDestHashCapability.promise;
+ }
+}
+
+;// ./web/pdf_presentation_mode.js
+
+
+const DELAY_BEFORE_HIDING_CONTROLS = 3000;
+const ACTIVE_SELECTOR = "pdfPresentationMode";
+const CONTROLS_SELECTOR = "pdfPresentationModeControls";
+const MOUSE_SCROLL_COOLDOWN_TIME = 50;
+const PAGE_SWITCH_THRESHOLD = 0.1;
+const SWIPE_MIN_DISTANCE_THRESHOLD = 50;
+const SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
+class PDFPresentationMode {
+ #state = PresentationModeState.UNKNOWN;
+ #args = null;
+ #fullscreenChangeAbortController = null;
+ #windowAbortController = null;
+ constructor({
+ container,
+ pdfViewer,
+ eventBus
+ }) {
+ this.container = container;
+ this.pdfViewer = pdfViewer;
+ this.eventBus = eventBus;
+ this.contextMenuOpen = false;
+ this.mouseScrollTimeStamp = 0;
+ this.mouseScrollDelta = 0;
+ this.touchSwipeState = null;
+ }
+ async request() {
+ const {
+ container,
+ pdfViewer
+ } = this;
+ if (this.active || !pdfViewer.pagesCount || !container.requestFullscreen) {
+ return false;
+ }
+ this.#addFullscreenChangeListeners();
+ this.#notifyStateChange(PresentationModeState.CHANGING);
+ const promise = container.requestFullscreen();
+ this.#args = {
+ pageNumber: pdfViewer.currentPageNumber,
+ scaleValue: pdfViewer.currentScaleValue,
+ scrollMode: pdfViewer.scrollMode,
+ spreadMode: null,
+ annotationEditorMode: null
+ };
+ if (pdfViewer.spreadMode !== SpreadMode.NONE && !(pdfViewer.pageViewsReady && pdfViewer.hasEqualPageSizes)) {
+ console.warn("Ignoring Spread modes when entering PresentationMode, " + "since the document may contain varying page sizes.");
+ this.#args.spreadMode = pdfViewer.spreadMode;
+ }
+ if (pdfViewer.annotationEditorMode !== AnnotationEditorType.DISABLE) {
+ this.#args.annotationEditorMode = pdfViewer.annotationEditorMode;
+ }
+ try {
+ await promise;
+ pdfViewer.focus();
+ return true;
+ } catch {
+ this.#removeFullscreenChangeListeners();
+ this.#notifyStateChange(PresentationModeState.NORMAL);
+ }
+ return false;
+ }
+ get active() {
+ return this.#state === PresentationModeState.CHANGING || this.#state === PresentationModeState.FULLSCREEN;
+ }
+ #mouseWheel(evt) {
+ if (!this.active) {
+ return;
+ }
+ evt.preventDefault();
+ const delta = normalizeWheelEventDelta(evt);
+ const currentTime = Date.now();
+ const storedTime = this.mouseScrollTimeStamp;
+ if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
+ return;
+ }
+ if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
+ this.#resetMouseScrollState();
+ }
+ this.mouseScrollDelta += delta;
+ if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
+ const totalDelta = this.mouseScrollDelta;
+ this.#resetMouseScrollState();
+ const success = totalDelta > 0 ? this.pdfViewer.previousPage() : this.pdfViewer.nextPage();
+ if (success) {
+ this.mouseScrollTimeStamp = currentTime;
+ }
+ }
+ }
+ #notifyStateChange(state) {
+ this.#state = state;
+ this.eventBus.dispatch("presentationmodechanged", {
+ source: this,
+ state
+ });
+ }
+ #enter() {
+ this.#notifyStateChange(PresentationModeState.FULLSCREEN);
+ this.container.classList.add(ACTIVE_SELECTOR);
+ setTimeout(() => {
+ this.pdfViewer.scrollMode = ScrollMode.PAGE;
+ if (this.#args.spreadMode !== null) {
+ this.pdfViewer.spreadMode = SpreadMode.NONE;
+ }
+ this.pdfViewer.currentPageNumber = this.#args.pageNumber;
+ this.pdfViewer.currentScaleValue = "page-fit";
+ if (this.#args.annotationEditorMode !== null) {
+ this.pdfViewer.annotationEditorMode = {
+ mode: AnnotationEditorType.NONE
+ };
+ }
+ }, 0);
+ this.#addWindowListeners();
+ this.#showControls();
+ this.contextMenuOpen = false;
+ document.getSelection().empty();
+ }
+ #exit() {
+ const pageNumber = this.pdfViewer.currentPageNumber;
+ this.container.classList.remove(ACTIVE_SELECTOR);
+ setTimeout(() => {
+ this.#removeFullscreenChangeListeners();
+ this.#notifyStateChange(PresentationModeState.NORMAL);
+ this.pdfViewer.scrollMode = this.#args.scrollMode;
+ if (this.#args.spreadMode !== null) {
+ this.pdfViewer.spreadMode = this.#args.spreadMode;
+ }
+ this.pdfViewer.currentScaleValue = this.#args.scaleValue;
+ this.pdfViewer.currentPageNumber = pageNumber;
+ if (this.#args.annotationEditorMode !== null) {
+ this.pdfViewer.annotationEditorMode = {
+ mode: this.#args.annotationEditorMode
+ };
+ }
+ this.#args = null;
+ }, 0);
+ this.#removeWindowListeners();
+ this.#hideControls();
+ this.#resetMouseScrollState();
+ this.contextMenuOpen = false;
+ }
+ #mouseDown(evt) {
+ if (this.contextMenuOpen) {
+ this.contextMenuOpen = false;
+ evt.preventDefault();
+ return;
+ }
+ if (evt.button !== 0) {
+ return;
+ }
+ if (evt.target.href && evt.target.parentNode?.hasAttribute("data-internal-link")) {
+ return;
+ }
+ evt.preventDefault();
+ if (evt.shiftKey) {
+ this.pdfViewer.previousPage();
+ } else {
+ this.pdfViewer.nextPage();
+ }
+ }
+ #contextMenu() {
+ this.contextMenuOpen = true;
+ }
+ #showControls() {
+ if (this.controlsTimeout) {
+ clearTimeout(this.controlsTimeout);
+ } else {
+ this.container.classList.add(CONTROLS_SELECTOR);
+ }
+ this.controlsTimeout = setTimeout(() => {
+ this.container.classList.remove(CONTROLS_SELECTOR);
+ delete this.controlsTimeout;
+ }, DELAY_BEFORE_HIDING_CONTROLS);
+ }
+ #hideControls() {
+ if (!this.controlsTimeout) {
+ return;
+ }
+ clearTimeout(this.controlsTimeout);
+ this.container.classList.remove(CONTROLS_SELECTOR);
+ delete this.controlsTimeout;
+ }
+ #resetMouseScrollState() {
+ this.mouseScrollTimeStamp = 0;
+ this.mouseScrollDelta = 0;
+ }
+ #touchSwipe(evt) {
+ if (!this.active) {
+ return;
+ }
+ if (evt.touches.length > 1) {
+ this.touchSwipeState = null;
+ return;
+ }
+ switch (evt.type) {
+ case "touchstart":
+ this.touchSwipeState = {
+ startX: evt.touches[0].pageX,
+ startY: evt.touches[0].pageY,
+ endX: evt.touches[0].pageX,
+ endY: evt.touches[0].pageY
+ };
+ break;
+ case "touchmove":
+ if (this.touchSwipeState === null) {
+ return;
+ }
+ this.touchSwipeState.endX = evt.touches[0].pageX;
+ this.touchSwipeState.endY = evt.touches[0].pageY;
+ evt.preventDefault();
+ break;
+ case "touchend":
+ if (this.touchSwipeState === null) {
+ return;
+ }
+ let delta = 0;
+ const dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
+ const dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
+ const absAngle = Math.abs(Math.atan2(dy, dx));
+ if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
+ delta = dx;
+ } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
+ delta = dy;
+ }
+ if (delta > 0) {
+ this.pdfViewer.previousPage();
+ } else if (delta < 0) {
+ this.pdfViewer.nextPage();
+ }
+ break;
+ }
+ }
+ #addWindowListeners() {
+ if (this.#windowAbortController) {
+ return;
+ }
+ this.#windowAbortController = new AbortController();
+ const {
+ signal
+ } = this.#windowAbortController;
+ const touchSwipeBind = this.#touchSwipe.bind(this);
+ window.addEventListener("mousemove", this.#showControls.bind(this), {
+ signal
+ });
+ window.addEventListener("mousedown", this.#mouseDown.bind(this), {
+ signal
+ });
+ window.addEventListener("wheel", this.#mouseWheel.bind(this), {
+ passive: false,
+ signal
+ });
+ window.addEventListener("keydown", this.#resetMouseScrollState.bind(this), {
+ signal
+ });
+ window.addEventListener("contextmenu", this.#contextMenu.bind(this), {
+ signal
+ });
+ window.addEventListener("touchstart", touchSwipeBind, {
+ signal
+ });
+ window.addEventListener("touchmove", touchSwipeBind, {
+ signal
+ });
+ window.addEventListener("touchend", touchSwipeBind, {
+ signal
+ });
+ }
+ #removeWindowListeners() {
+ this.#windowAbortController?.abort();
+ this.#windowAbortController = null;
+ }
+ #addFullscreenChangeListeners() {
+ if (this.#fullscreenChangeAbortController) {
+ return;
+ }
+ this.#fullscreenChangeAbortController = new AbortController();
+ window.addEventListener("fullscreenchange", () => {
+ if (document.fullscreenElement) {
+ this.#enter();
+ } else {
+ this.#exit();
+ }
+ }, {
+ signal: this.#fullscreenChangeAbortController.signal
+ });
+ }
+ #removeFullscreenChangeListeners() {
+ this.#fullscreenChangeAbortController?.abort();
+ this.#fullscreenChangeAbortController = null;
+ }
+}
+
+;// ./web/xfa_layer_builder.js
+
+class XfaLayerBuilder {
+ constructor({
+ pdfPage,
+ annotationStorage = null,
+ linkService,
+ xfaHtml = null
+ }) {
+ this.pdfPage = pdfPage;
+ this.annotationStorage = annotationStorage;
+ this.linkService = linkService;
+ this.xfaHtml = xfaHtml;
+ this.div = null;
+ this._cancelled = false;
+ }
+ async render({
+ viewport,
+ intent = "display"
+ }) {
+ if (intent === "print") {
+ const parameters = {
+ viewport: viewport.clone({
+ dontFlip: true
+ }),
+ div: this.div,
+ xfaHtml: this.xfaHtml,
+ annotationStorage: this.annotationStorage,
+ linkService: this.linkService,
+ intent
+ };
+ this.div = document.createElement("div");
+ parameters.div = this.div;
+ return XfaLayer.render(parameters);
+ }
+ const xfaHtml = await this.pdfPage.getXfa();
+ if (this._cancelled || !xfaHtml) {
+ return {
+ textDivs: []
+ };
+ }
+ const parameters = {
+ viewport: viewport.clone({
+ dontFlip: true
+ }),
+ div: this.div,
+ xfaHtml,
+ annotationStorage: this.annotationStorage,
+ linkService: this.linkService,
+ intent
+ };
+ if (this.div) {
+ return XfaLayer.update(parameters);
+ }
+ this.div = document.createElement("div");
+ parameters.div = this.div;
+ return XfaLayer.render(parameters);
+ }
+ cancel() {
+ this._cancelled = true;
+ }
+ hide() {
+ if (!this.div) {
+ return;
+ }
+ this.div.hidden = true;
+ }
+}
+
+;// ./web/print_utils.js
+
+
+
+function getXfaHtmlForPrinting(printContainer, pdfDocument) {
+ const xfaHtml = pdfDocument.allXfaHtml;
+ const linkService = new SimpleLinkService();
+ const scale = Math.round(PixelsPerInch.PDF_TO_CSS_UNITS * 100) / 100;
+ for (const xfaPage of xfaHtml.children) {
+ const page = document.createElement("div");
+ page.className = "xfaPrintedPage";
+ printContainer.append(page);
+ const builder = new XfaLayerBuilder({
+ pdfPage: null,
+ annotationStorage: pdfDocument.annotationStorage,
+ linkService,
+ xfaHtml: xfaPage
+ });
+ const viewport = getXfaPageViewport(xfaPage, {
+ scale
+ });
+ builder.render({
+ viewport,
+ intent: "print"
+ });
+ page.append(builder.div);
+ }
+}
+
+;// ./web/pdf_print_service.js
+
+
+let activeService = null;
+let dialog = null;
+let overlayManager = null;
+let viewerApp = {
+ initialized: false
+};
+function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise) {
+ const scratchCanvas = activeService.scratchCanvas;
+ const PRINT_UNITS = printResolution / PixelsPerInch.PDF;
+ scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
+ scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
+ const ctx = scratchCanvas.getContext("2d");
+ ctx.save();
+ ctx.fillStyle = "rgb(255, 255, 255)";
+ ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
+ ctx.restore();
+ return Promise.all([pdfDocument.getPage(pageNumber), printAnnotationStoragePromise]).then(function ([pdfPage, printAnnotationStorage]) {
+ const renderContext = {
+ canvas: scratchCanvas,
+ transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
+ viewport: pdfPage.getViewport({
+ scale: 1,
+ rotation: size.rotation
+ }),
+ intent: "print",
+ annotationMode: AnnotationMode.ENABLE_STORAGE,
+ optionalContentConfigPromise,
+ printAnnotationStorage
+ };
+ const renderTask = pdfPage.render(renderContext);
+ return renderTask.promise.catch(reason => {
+ if (!(reason instanceof RenderingCancelledException)) {
+ console.error(reason);
+ }
+ throw reason;
+ });
+ });
+}
+class PDFPrintService {
+ constructor({
+ pdfDocument,
+ pagesOverview,
+ printContainer,
+ printResolution,
+ printAnnotationStoragePromise = null
+ }) {
+ this.pdfDocument = pdfDocument;
+ this.pagesOverview = pagesOverview;
+ this.printContainer = printContainer;
+ this._printResolution = printResolution || 150;
+ this._optionalContentConfigPromise = pdfDocument.getOptionalContentConfig({
+ intent: "print"
+ });
+ this._printAnnotationStoragePromise = printAnnotationStoragePromise || Promise.resolve();
+ this.currentPage = -1;
+ this.scratchCanvas = document.createElement("canvas");
+ }
+ layout() {
+ this.throwIfInactive();
+ const body = document.querySelector("body");
+ body.setAttribute("data-pdfjsprinting", true);
+ const {
+ width,
+ height
+ } = this.pagesOverview[0];
+ const hasEqualPageSizes = this.pagesOverview.every(size => size.width === width && size.height === height);
+ if (!hasEqualPageSizes) {
+ console.warn("Not all pages have the same size. The printed result may be incorrect!");
+ }
+ this.pageStyleSheet = document.createElement("style");
+ this.pageStyleSheet.textContent = `@page { size: ${width}pt ${height}pt;}`;
+ body.append(this.pageStyleSheet);
+ }
+ destroy() {
+ if (activeService !== this) {
+ return;
+ }
+ this.printContainer.textContent = "";
+ const body = document.querySelector("body");
+ body.removeAttribute("data-pdfjsprinting");
+ if (this.pageStyleSheet) {
+ this.pageStyleSheet.remove();
+ this.pageStyleSheet = null;
+ }
+ this.scratchCanvas.width = this.scratchCanvas.height = 0;
+ this.scratchCanvas = null;
+ activeService = null;
+ ensureOverlay().then(function () {
+ overlayManager.closeIfActive(dialog);
+ });
+ }
+ renderPages() {
+ if (this.pdfDocument.isPureXfa) {
+ getXfaHtmlForPrinting(this.printContainer, this.pdfDocument);
+ return Promise.resolve();
+ }
+ const pageCount = this.pagesOverview.length;
+ const renderNextPage = (resolve, reject) => {
+ this.throwIfInactive();
+ if (++this.currentPage >= pageCount) {
+ renderProgress(pageCount, pageCount);
+ resolve();
+ return;
+ }
+ const index = this.currentPage;
+ renderProgress(index, pageCount);
+ renderPage(this, this.pdfDocument, index + 1, this.pagesOverview[index], this._printResolution, this._optionalContentConfigPromise, this._printAnnotationStoragePromise).then(this.useRenderedPage.bind(this)).then(function () {
+ renderNextPage(resolve, reject);
+ }, reject);
+ };
+ return new Promise(renderNextPage);
+ }
+ useRenderedPage() {
+ this.throwIfInactive();
+ const img = document.createElement("img");
+ this.scratchCanvas.toBlob(blob => {
+ img.src = URL.createObjectURL(blob);
+ });
+ const wrapper = document.createElement("div");
+ wrapper.className = "printedPage";
+ wrapper.append(img);
+ this.printContainer.append(wrapper);
+ const {
+ promise,
+ resolve,
+ reject
+ } = Promise.withResolvers();
+ img.onload = resolve;
+ img.onerror = reject;
+ promise.catch(() => {}).then(() => {
+ URL.revokeObjectURL(img.src);
+ });
+ return promise;
+ }
+ performPrint() {
+ this.throwIfInactive();
+ return new Promise(resolve => {
+ setTimeout(() => {
+ if (!this.active) {
+ resolve();
+ return;
+ }
+ print.call(window);
+ setTimeout(resolve, 20);
+ }, 0);
+ });
+ }
+ get active() {
+ return this === activeService;
+ }
+ throwIfInactive() {
+ if (!this.active) {
+ throw new Error("This print request was cancelled or completed.");
+ }
+ }
+}
+const print = window.print;
+window.print = function () {
+ if (activeService) {
+ console.warn("Ignored window.print() because of a pending print job.");
+ return;
+ }
+ ensureOverlay().then(function () {
+ if (activeService) {
+ overlayManager.open(dialog);
+ }
+ });
+ try {
+ dispatchEvent("beforeprint");
+ } finally {
+ if (!activeService) {
+ console.error("Expected print service to be initialized.");
+ ensureOverlay().then(function () {
+ overlayManager.closeIfActive(dialog);
+ });
+ } else {
+ const activeServiceOnEntry = activeService;
+ activeService.renderPages().then(() => activeServiceOnEntry.performPrint()).catch(() => {}).then(() => {
+ if (activeServiceOnEntry.active) {
+ abort();
+ }
+ });
+ }
+ }
+};
+function dispatchEvent(eventType) {
+ const event = new CustomEvent(eventType, {
+ bubbles: false,
+ cancelable: false,
+ detail: "custom"
+ });
+ window.dispatchEvent(event);
+}
+function abort() {
+ if (activeService) {
+ activeService.destroy();
+ dispatchEvent("afterprint");
+ }
+}
+function renderProgress(index, total) {
+ dialog ||= document.getElementById("printServiceDialog");
+ const progress = Math.round(100 * index / total);
+ const progressBar = dialog.querySelector("progress");
+ const progressPerc = dialog.querySelector(".relative-progress");
+ progressBar.value = progress;
+ progressPerc.setAttribute("data-l10n-args", JSON.stringify({
+ progress
+ }));
+}
+window.addEventListener("keydown", function (event) {
+ if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
+ window.print();
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ }
+}, true);
+if ("onbeforeprint" in window) {
+ const stopPropagationIfNeeded = function (event) {
+ if (event.detail !== "custom") {
+ event.stopImmediatePropagation();
+ }
+ };
+ window.addEventListener("beforeprint", stopPropagationIfNeeded);
+ window.addEventListener("afterprint", stopPropagationIfNeeded);
+}
+let overlayPromise;
+function ensureOverlay() {
+ if (!overlayPromise) {
+ overlayManager = viewerApp.overlayManager;
+ if (!overlayManager) {
+ throw new Error("The overlay manager has not yet been initialized.");
+ }
+ dialog ||= document.getElementById("printServiceDialog");
+ overlayPromise = overlayManager.register(dialog, true);
+ document.getElementById("printCancel").onclick = abort;
+ dialog.addEventListener("close", abort);
+ }
+ return overlayPromise;
+}
+class PDFPrintServiceFactory {
+ static initGlobals(app) {
+ viewerApp = app;
+ }
+ static get supportsPrinting() {
+ return shadow(this, "supportsPrinting", true);
+ }
+ static createPrintService(params) {
+ if (activeService) {
+ throw new Error("The print service is created and active.");
+ }
+ return activeService = new PDFPrintService(params);
+ }
+}
+
+;// ./web/pdf_rendering_queue.js
+
+
+const CLEANUP_TIMEOUT = 30000;
+class PDFRenderingQueue {
+ constructor() {
+ this.pdfViewer = null;
+ this.pdfThumbnailViewer = null;
+ this.onIdle = null;
+ this.highestPriorityPage = null;
+ this.idleTimeout = null;
+ this.printing = false;
+ this.isThumbnailViewEnabled = false;
+ Object.defineProperty(this, "hasViewer", {
+ value: () => !!this.pdfViewer
+ });
+ }
+ setViewer(pdfViewer) {
+ this.pdfViewer = pdfViewer;
+ }
+ setThumbnailViewer(pdfThumbnailViewer) {
+ this.pdfThumbnailViewer = pdfThumbnailViewer;
+ }
+ isHighestPriority(view) {
+ return this.highestPriorityPage === view.renderingId;
+ }
+ renderHighestPriority(currentlyVisiblePages) {
+ if (this.idleTimeout) {
+ clearTimeout(this.idleTimeout);
+ this.idleTimeout = null;
+ }
+ if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
+ return;
+ }
+ if (this.isThumbnailViewEnabled && this.pdfThumbnailViewer?.forceRendering()) {
+ return;
+ }
+ if (this.printing) {
+ return;
+ }
+ if (this.onIdle) {
+ this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
+ }
+ }
+ getHighestPriority(visible, views, scrolledDown, preRenderExtra = false, ignoreDetailViews = false) {
+ const visibleViews = visible.views,
+ numVisible = visibleViews.length;
+ if (numVisible === 0) {
+ return null;
+ }
+ for (let i = 0; i < numVisible; i++) {
+ const view = visibleViews[i].view;
+ if (!this.isViewFinished(view)) {
+ return view;
+ }
+ }
+ if (!ignoreDetailViews) {
+ for (let i = 0; i < numVisible; i++) {
+ const {
+ detailView
+ } = visibleViews[i].view;
+ if (detailView && !this.isViewFinished(detailView)) {
+ return detailView;
+ }
+ }
+ }
+ const firstId = visible.first.id,
+ lastId = visible.last.id;
+ if (lastId - firstId + 1 > numVisible) {
+ const visibleIds = visible.ids;
+ for (let i = 1, ii = lastId - firstId; i < ii; i++) {
+ const holeId = scrolledDown ? firstId + i : lastId - i;
+ if (visibleIds.has(holeId)) {
+ continue;
+ }
+ const holeView = views[holeId - 1];
+ if (!this.isViewFinished(holeView)) {
+ return holeView;
+ }
+ }
+ }
+ let preRenderIndex = scrolledDown ? lastId : firstId - 2;
+ let preRenderView = views[preRenderIndex];
+ if (preRenderView && !this.isViewFinished(preRenderView)) {
+ return preRenderView;
+ }
+ if (preRenderExtra) {
+ preRenderIndex += scrolledDown ? 1 : -1;
+ preRenderView = views[preRenderIndex];
+ if (preRenderView && !this.isViewFinished(preRenderView)) {
+ return preRenderView;
+ }
+ }
+ return null;
+ }
+ isViewFinished(view) {
+ return view.renderingState === RenderingStates.FINISHED;
+ }
+ renderView(view) {
+ switch (view.renderingState) {
+ case RenderingStates.FINISHED:
+ return false;
+ case RenderingStates.PAUSED:
+ this.highestPriorityPage = view.renderingId;
+ view.resume();
+ break;
+ case RenderingStates.RUNNING:
+ this.highestPriorityPage = view.renderingId;
+ break;
+ case RenderingStates.INITIAL:
+ this.highestPriorityPage = view.renderingId;
+ view.draw().finally(() => {
+ this.renderHighestPriority();
+ }).catch(reason => {
+ if (reason instanceof RenderingCancelledException) {
+ return;
+ }
+ console.error("renderView:", reason);
+ });
+ break;
+ }
+ return true;
+ }
+}
+
+;// ./web/pdf_scripting_manager.js
+
+
+class PDFScriptingManager {
+ #closeCapability = null;
+ #destroyCapability = null;
+ #docProperties = null;
+ #eventAbortController = null;
+ #eventBus = null;
+ #externalServices = null;
+ #pdfDocument = null;
+ #pdfViewer = null;
+ #ready = false;
+ #scripting = null;
+ #willPrintCapability = null;
+ constructor({
+ eventBus,
+ externalServices = null,
+ docProperties = null
+ }) {
+ this.#eventBus = eventBus;
+ this.#externalServices = externalServices;
+ this.#docProperties = docProperties;
+ }
+ setViewer(pdfViewer) {
+ this.#pdfViewer = pdfViewer;
+ }
+ async setDocument(pdfDocument) {
+ if (this.#pdfDocument) {
+ await this.#destroyScripting();
+ }
+ this.#pdfDocument = pdfDocument;
+ if (!pdfDocument) {
+ return;
+ }
+ const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]);
+ if (!objects && !docActions) {
+ await this.#destroyScripting();
+ return;
+ }
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ try {
+ this.#scripting = this.#initScripting();
+ } catch (error) {
+ console.error("setDocument:", error);
+ await this.#destroyScripting();
+ return;
+ }
+ const eventBus = this.#eventBus;
+ this.#eventAbortController = new AbortController();
+ const {
+ signal
+ } = this.#eventAbortController;
+ eventBus._on("updatefromsandbox", event => {
+ if (event?.source === window) {
+ this.#updateFromSandbox(event.detail);
+ }
+ }, {
+ signal
+ });
+ eventBus._on("dispatcheventinsandbox", event => {
+ this.#scripting?.dispatchEventInSandbox(event.detail);
+ }, {
+ signal
+ });
+ eventBus._on("pagechanging", ({
+ pageNumber,
+ previous
+ }) => {
+ if (pageNumber === previous) {
+ return;
+ }
+ this.#dispatchPageClose(previous);
+ this.#dispatchPageOpen(pageNumber);
+ }, {
+ signal
+ });
+ eventBus._on("pagerendered", ({
+ pageNumber
+ }) => {
+ if (!this._pageOpenPending.has(pageNumber)) {
+ return;
+ }
+ if (pageNumber !== this.#pdfViewer.currentPageNumber) {
+ return;
+ }
+ this.#dispatchPageOpen(pageNumber);
+ }, {
+ signal
+ });
+ eventBus._on("pagesdestroy", async () => {
+ await this.#dispatchPageClose(this.#pdfViewer.currentPageNumber);
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "WillClose"
+ });
+ this.#closeCapability?.resolve();
+ }, {
+ signal
+ });
+ try {
+ const docProperties = await this.#docProperties(pdfDocument);
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ await this.#scripting.createSandbox({
+ objects,
+ calculationOrder,
+ appInfo: {
+ platform: navigator.platform,
+ language: navigator.language
+ },
+ docInfo: {
+ ...docProperties,
+ actions: docActions
+ }
+ });
+ eventBus.dispatch("sandboxcreated", {
+ source: this
+ });
+ } catch (error) {
+ console.error("setDocument:", error);
+ await this.#destroyScripting();
+ return;
+ }
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "Open"
+ });
+ await this.#dispatchPageOpen(this.#pdfViewer.currentPageNumber, true);
+ Promise.resolve().then(() => {
+ if (pdfDocument === this.#pdfDocument) {
+ this.#ready = true;
+ }
+ });
+ }
+ async dispatchWillSave() {
+ return this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "WillSave"
+ });
+ }
+ async dispatchDidSave() {
+ return this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "DidSave"
+ });
+ }
+ async dispatchWillPrint() {
+ if (!this.#scripting) {
+ return;
+ }
+ await this.#willPrintCapability?.promise;
+ this.#willPrintCapability = Promise.withResolvers();
+ try {
+ await this.#scripting.dispatchEventInSandbox({
+ id: "doc",
+ name: "WillPrint"
+ });
+ } catch (ex) {
+ this.#willPrintCapability.resolve();
+ this.#willPrintCapability = null;
+ throw ex;
+ }
+ await this.#willPrintCapability.promise;
+ }
+ async dispatchDidPrint() {
+ return this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "DidPrint"
+ });
+ }
+ get destroyPromise() {
+ return this.#destroyCapability?.promise || null;
+ }
+ get ready() {
+ return this.#ready;
+ }
+ get _pageOpenPending() {
+ return shadow(this, "_pageOpenPending", new Set());
+ }
+ get _visitedPages() {
+ return shadow(this, "_visitedPages", new Map());
+ }
+ async #updateFromSandbox(detail) {
+ const pdfViewer = this.#pdfViewer;
+ const isInPresentationMode = pdfViewer.isInPresentationMode || pdfViewer.isChangingPresentationMode;
+ const {
+ id,
+ siblings,
+ command,
+ value
+ } = detail;
+ if (!id) {
+ switch (command) {
+ case "clear":
+ console.clear();
+ break;
+ case "error":
+ console.error(value);
+ break;
+ case "layout":
+ if (!isInPresentationMode) {
+ const modes = apiPageLayoutToViewerModes(value);
+ pdfViewer.spreadMode = modes.spreadMode;
+ }
+ break;
+ case "page-num":
+ pdfViewer.currentPageNumber = value + 1;
+ break;
+ case "print":
+ await pdfViewer.pagesPromise;
+ this.#eventBus.dispatch("print", {
+ source: this
+ });
+ break;
+ case "println":
+ console.log(value);
+ break;
+ case "zoom":
+ if (!isInPresentationMode) {
+ pdfViewer.currentScaleValue = value;
+ }
+ break;
+ case "SaveAs":
+ this.#eventBus.dispatch("download", {
+ source: this
+ });
+ break;
+ case "FirstPage":
+ pdfViewer.currentPageNumber = 1;
+ break;
+ case "LastPage":
+ pdfViewer.currentPageNumber = pdfViewer.pagesCount;
+ break;
+ case "NextPage":
+ pdfViewer.nextPage();
+ break;
+ case "PrevPage":
+ pdfViewer.previousPage();
+ break;
+ case "ZoomViewIn":
+ if (!isInPresentationMode) {
+ pdfViewer.increaseScale();
+ }
+ break;
+ case "ZoomViewOut":
+ if (!isInPresentationMode) {
+ pdfViewer.decreaseScale();
+ }
+ break;
+ case "WillPrintFinished":
+ this.#willPrintCapability?.resolve();
+ this.#willPrintCapability = null;
+ break;
+ }
+ return;
+ }
+ if (isInPresentationMode && detail.focus) {
+ return;
+ }
+ delete detail.id;
+ delete detail.siblings;
+ const ids = siblings ? [id, ...siblings] : [id];
+ for (const elementId of ids) {
+ const element = document.querySelector(`[data-element-id="${elementId}"]`);
+ if (element) {
+ element.dispatchEvent(new CustomEvent("updatefromsandbox", {
+ detail
+ }));
+ } else {
+ this.#pdfDocument?.annotationStorage.setValue(elementId, detail);
+ }
+ }
+ }
+ async #dispatchPageOpen(pageNumber, initialize = false) {
+ const pdfDocument = this.#pdfDocument,
+ visitedPages = this._visitedPages;
+ if (initialize) {
+ this.#closeCapability = Promise.withResolvers();
+ }
+ if (!this.#closeCapability) {
+ return;
+ }
+ const pageView = this.#pdfViewer.getPageView(pageNumber - 1);
+ if (pageView?.renderingState !== RenderingStates.FINISHED) {
+ this._pageOpenPending.add(pageNumber);
+ return;
+ }
+ this._pageOpenPending.delete(pageNumber);
+ const actionsPromise = (async () => {
+ const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null);
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "page",
+ name: "PageOpen",
+ pageNumber,
+ actions
+ });
+ })();
+ visitedPages.set(pageNumber, actionsPromise);
+ }
+ async #dispatchPageClose(pageNumber) {
+ const pdfDocument = this.#pdfDocument,
+ visitedPages = this._visitedPages;
+ if (!this.#closeCapability) {
+ return;
+ }
+ if (this._pageOpenPending.has(pageNumber)) {
+ return;
+ }
+ const actionsPromise = visitedPages.get(pageNumber);
+ if (!actionsPromise) {
+ return;
+ }
+ visitedPages.set(pageNumber, null);
+ await actionsPromise;
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "page",
+ name: "PageClose",
+ pageNumber
+ });
+ }
+ #initScripting() {
+ this.#destroyCapability = Promise.withResolvers();
+ if (this.#scripting) {
+ throw new Error("#initScripting: Scripting already exists.");
+ }
+ return this.#externalServices.createScripting();
+ }
+ async #destroyScripting() {
+ if (!this.#scripting) {
+ this.#pdfDocument = null;
+ this.#destroyCapability?.resolve();
+ return;
+ }
+ if (this.#closeCapability) {
+ await Promise.race([this.#closeCapability.promise, new Promise(resolve => {
+ setTimeout(resolve, 1000);
+ })]).catch(() => {});
+ this.#closeCapability = null;
+ }
+ this.#pdfDocument = null;
+ try {
+ await this.#scripting.destroySandbox();
+ } catch {}
+ this.#willPrintCapability?.reject(new Error("Scripting destroyed."));
+ this.#willPrintCapability = null;
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ this._pageOpenPending.clear();
+ this._visitedPages.clear();
+ this.#scripting = null;
+ this.#ready = false;
+ this.#destroyCapability?.resolve();
+ }
+}
+
+;// ./web/pdf_sidebar.js
+
+const SIDEBAR_WIDTH_VAR = "--sidebar-width";
+const SIDEBAR_MIN_WIDTH = 200;
+const SIDEBAR_RESIZING_CLASS = "sidebarResizing";
+const UI_NOTIFICATION_CLASS = "pdfSidebarNotification";
+class PDFSidebar {
+ #isRTL = false;
+ #mouseAC = null;
+ #outerContainerWidth = null;
+ #width = null;
+ constructor({
+ elements,
+ eventBus,
+ l10n
+ }) {
+ this.isOpen = false;
+ this.active = SidebarView.THUMBS;
+ this.isInitialViewSet = false;
+ this.isInitialEventDispatched = false;
+ this.onToggled = null;
+ this.onUpdateThumbnails = null;
+ this.outerContainer = elements.outerContainer;
+ this.sidebarContainer = elements.sidebarContainer;
+ this.toggleButton = elements.toggleButton;
+ this.resizer = elements.resizer;
+ this.thumbnailButton = elements.thumbnailButton;
+ this.outlineButton = elements.outlineButton;
+ this.attachmentsButton = elements.attachmentsButton;
+ this.layersButton = elements.layersButton;
+ this.thumbnailView = elements.thumbnailView;
+ this.outlineView = elements.outlineView;
+ this.attachmentsView = elements.attachmentsView;
+ this.layersView = elements.layersView;
+ this._currentOutlineItemButton = elements.currentOutlineItemButton;
+ this.eventBus = eventBus;
+ this.#isRTL = l10n.getDirection() === "rtl";
+ this.#addEventListeners();
+ }
+ reset() {
+ this.isInitialViewSet = false;
+ this.isInitialEventDispatched = false;
+ this.#hideUINotification(true);
+ this.switchView(SidebarView.THUMBS);
+ this.outlineButton.disabled = false;
+ this.attachmentsButton.disabled = false;
+ this.layersButton.disabled = false;
+ this._currentOutlineItemButton.disabled = true;
+ }
+ get visibleView() {
+ return this.isOpen ? this.active : SidebarView.NONE;
+ }
+ setInitialView(view = SidebarView.NONE) {
+ if (this.isInitialViewSet) {
+ return;
+ }
+ this.isInitialViewSet = true;
+ if (view === SidebarView.NONE || view === SidebarView.UNKNOWN) {
+ this.#dispatchEvent();
+ return;
+ }
+ this.switchView(view, true);
+ if (!this.isInitialEventDispatched) {
+ this.#dispatchEvent();
+ }
+ }
+ switchView(view, forceOpen = false) {
+ const isViewChanged = view !== this.active;
+ let forceRendering = false;
+ switch (view) {
+ case SidebarView.NONE:
+ if (this.isOpen) {
+ this.close();
+ }
+ return;
+ case SidebarView.THUMBS:
+ if (this.isOpen && isViewChanged) {
+ forceRendering = true;
+ }
+ break;
+ case SidebarView.OUTLINE:
+ if (this.outlineButton.disabled) {
+ return;
+ }
+ break;
+ case SidebarView.ATTACHMENTS:
+ if (this.attachmentsButton.disabled) {
+ return;
+ }
+ break;
+ case SidebarView.LAYERS:
+ if (this.layersButton.disabled) {
+ return;
+ }
+ break;
+ default:
+ console.error(`PDFSidebar.switchView: "${view}" is not a valid view.`);
+ return;
+ }
+ this.active = view;
+ toggleCheckedBtn(this.thumbnailButton, view === SidebarView.THUMBS, this.thumbnailView);
+ toggleCheckedBtn(this.outlineButton, view === SidebarView.OUTLINE, this.outlineView);
+ toggleCheckedBtn(this.attachmentsButton, view === SidebarView.ATTACHMENTS, this.attachmentsView);
+ toggleCheckedBtn(this.layersButton, view === SidebarView.LAYERS, this.layersView);
+ if (forceOpen && !this.isOpen) {
+ this.open();
+ return;
+ }
+ if (forceRendering) {
+ this.onUpdateThumbnails();
+ this.onToggled();
+ }
+ if (isViewChanged) {
+ this.#dispatchEvent();
+ }
+ }
+ open() {
+ if (this.isOpen) {
+ return;
+ }
+ this.isOpen = true;
+ toggleExpandedBtn(this.toggleButton, true);
+ this.outerContainer.classList.add("sidebarMoving", "sidebarOpen");
+ if (this.active === SidebarView.THUMBS) {
+ this.onUpdateThumbnails();
+ }
+ this.onToggled();
+ this.#dispatchEvent();
+ this.#hideUINotification();
+ }
+ close(evt = null) {
+ if (!this.isOpen) {
+ return;
+ }
+ this.isOpen = false;
+ toggleExpandedBtn(this.toggleButton, false);
+ this.outerContainer.classList.add("sidebarMoving");
+ this.outerContainer.classList.remove("sidebarOpen");
+ this.onToggled();
+ this.#dispatchEvent();
+ if (evt?.detail > 0) {
+ this.toggleButton.blur();
+ }
+ }
+ toggle(evt = null) {
+ if (this.isOpen) {
+ this.close(evt);
+ } else {
+ this.open();
+ }
+ }
+ #dispatchEvent() {
+ if (this.isInitialViewSet) {
+ this.isInitialEventDispatched ||= true;
+ }
+ this.eventBus.dispatch("sidebarviewchanged", {
+ source: this,
+ view: this.visibleView
+ });
+ }
+ #showUINotification() {
+ this.toggleButton.setAttribute("data-l10n-id", "pdfjs-toggle-sidebar-notification-button");
+ if (!this.isOpen) {
+ this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
+ }
+ }
+ #hideUINotification(reset = false) {
+ if (this.isOpen || reset) {
+ this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
+ }
+ if (reset) {
+ this.toggleButton.setAttribute("data-l10n-id", "pdfjs-toggle-sidebar-button");
+ }
+ }
+ #addEventListeners() {
+ const {
+ eventBus,
+ outerContainer
+ } = this;
+ this.sidebarContainer.addEventListener("transitionend", evt => {
+ if (evt.target === this.sidebarContainer) {
+ outerContainer.classList.remove("sidebarMoving");
+ eventBus.dispatch("resize", {
+ source: this
+ });
+ }
+ });
+ this.toggleButton.addEventListener("click", evt => {
+ this.toggle(evt);
+ });
+ this.thumbnailButton.addEventListener("click", () => {
+ this.switchView(SidebarView.THUMBS);
+ });
+ this.outlineButton.addEventListener("click", () => {
+ this.switchView(SidebarView.OUTLINE);
+ });
+ this.outlineButton.addEventListener("dblclick", () => {
+ eventBus.dispatch("toggleoutlinetree", {
+ source: this
+ });
+ });
+ this.attachmentsButton.addEventListener("click", () => {
+ this.switchView(SidebarView.ATTACHMENTS);
+ });
+ this.layersButton.addEventListener("click", () => {
+ this.switchView(SidebarView.LAYERS);
+ });
+ this.layersButton.addEventListener("dblclick", () => {
+ eventBus.dispatch("resetlayers", {
+ source: this
+ });
+ });
+ this._currentOutlineItemButton.addEventListener("click", () => {
+ eventBus.dispatch("currentoutlineitem", {
+ source: this
+ });
+ });
+ const onTreeLoaded = (count, button, view) => {
+ button.disabled = !count;
+ if (count) {
+ this.#showUINotification();
+ } else if (this.active === view) {
+ this.switchView(SidebarView.THUMBS);
+ }
+ };
+ eventBus._on("outlineloaded", evt => {
+ onTreeLoaded(evt.outlineCount, this.outlineButton, SidebarView.OUTLINE);
+ evt.currentOutlineItemPromise.then(enabled => {
+ if (!this.isInitialViewSet) {
+ return;
+ }
+ this._currentOutlineItemButton.disabled = !enabled;
+ });
+ });
+ eventBus._on("attachmentsloaded", evt => {
+ onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, SidebarView.ATTACHMENTS);
+ });
+ eventBus._on("layersloaded", evt => {
+ onTreeLoaded(evt.layersCount, this.layersButton, SidebarView.LAYERS);
+ });
+ eventBus._on("presentationmodechanged", evt => {
+ if (evt.state === PresentationModeState.NORMAL && this.visibleView === SidebarView.THUMBS) {
+ this.onUpdateThumbnails();
+ }
+ });
+ this.resizer.addEventListener("mousedown", evt => {
+ if (evt.button !== 0) {
+ return;
+ }
+ outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
+ this.#mouseAC = new AbortController();
+ const opts = {
+ signal: this.#mouseAC.signal
+ };
+ window.addEventListener("mousemove", this.#mouseMove.bind(this), opts);
+ window.addEventListener("mouseup", this.#mouseUp.bind(this), opts);
+ window.addEventListener("blur", this.#mouseUp.bind(this), opts);
+ });
+ eventBus._on("resize", evt => {
+ if (evt.source !== window) {
+ return;
+ }
+ this.#outerContainerWidth = null;
+ if (!this.#width) {
+ return;
+ }
+ if (!this.isOpen) {
+ this.#updateWidth(this.#width);
+ return;
+ }
+ outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
+ const updated = this.#updateWidth(this.#width);
+ Promise.resolve().then(() => {
+ outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
+ if (updated) {
+ eventBus.dispatch("resize", {
+ source: this
+ });
+ }
+ });
+ });
+ }
+ get outerContainerWidth() {
+ return this.#outerContainerWidth ||= this.outerContainer.clientWidth;
+ }
+ #updateWidth(width = 0) {
+ const maxWidth = Math.floor(this.outerContainerWidth / 2);
+ if (width > maxWidth) {
+ width = maxWidth;
+ }
+ if (width < SIDEBAR_MIN_WIDTH) {
+ width = SIDEBAR_MIN_WIDTH;
+ }
+ if (width === this.#width) {
+ return false;
+ }
+ this.#width = width;
+ docStyle.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`);
+ return true;
+ }
+ #mouseMove(evt) {
+ let width = evt.clientX;
+ if (this.#isRTL) {
+ width = this.outerContainerWidth - width;
+ }
+ this.#updateWidth(width);
+ }
+ #mouseUp(evt) {
+ this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
+ this.eventBus.dispatch("resize", {
+ source: this
+ });
+ this.#mouseAC?.abort();
+ this.#mouseAC = null;
+ }
+}
+
+;// ./web/pdf_thumbnail_view.js
+
+
+
+const DRAW_UPSCALE_FACTOR = 2;
+const MAX_NUM_SCALING_STEPS = 3;
+const THUMBNAIL_WIDTH = 98;
+function zeroCanvas(c) {
+ c.width = 0;
+ c.height = 0;
+}
+class TempImageFactory {
+ static #tempCanvas = null;
+ static getCanvas(width, height) {
+ const tempCanvas = this.#tempCanvas ||= document.createElement("canvas");
+ tempCanvas.width = width;
+ tempCanvas.height = height;
+ const ctx = tempCanvas.getContext("2d", {
+ alpha: false
+ });
+ ctx.save();
+ ctx.fillStyle = "rgb(255, 255, 255)";
+ ctx.fillRect(0, 0, width, height);
+ ctx.restore();
+ return [tempCanvas, tempCanvas.getContext("2d")];
+ }
+ static destroyCanvas() {
+ if (this.#tempCanvas) {
+ zeroCanvas(this.#tempCanvas);
+ }
+ this.#tempCanvas = null;
+ }
+}
+class PDFThumbnailView {
+ constructor({
+ container,
+ eventBus,
+ id,
+ defaultViewport,
+ optionalContentConfigPromise,
+ linkService,
+ renderingQueue,
+ maxCanvasPixels,
+ maxCanvasDim,
+ pageColors
+ }) {
+ this.id = id;
+ this.renderingId = "thumbnail" + id;
+ this.pageLabel = null;
+ this.pdfPage = null;
+ this.rotation = 0;
+ this.viewport = defaultViewport;
+ this.pdfPageRotate = defaultViewport.rotation;
+ this._optionalContentConfigPromise = optionalContentConfigPromise || null;
+ this.maxCanvasPixels = maxCanvasPixels ?? AppOptions.get("maxCanvasPixels");
+ this.maxCanvasDim = maxCanvasDim || AppOptions.get("maxCanvasDim");
+ this.pageColors = pageColors || null;
+ this.eventBus = eventBus;
+ this.linkService = linkService;
+ this.renderingQueue = renderingQueue;
+ this.renderTask = null;
+ this.renderingState = RenderingStates.INITIAL;
+ this.resume = null;
+ const anchor = document.createElement("a");
+ anchor.href = linkService.getAnchorUrl("#page=" + id);
+ anchor.setAttribute("data-l10n-id", "pdfjs-thumb-page-title");
+ anchor.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ anchor.onclick = function () {
+ linkService.goToPage(id);
+ return false;
+ };
+ this.anchor = anchor;
+ const div = document.createElement("div");
+ div.className = "thumbnail";
+ div.setAttribute("data-page-number", this.id);
+ this.div = div;
+ this.#updateDims();
+ const img = document.createElement("div");
+ img.className = "thumbnailImage";
+ this._placeholderImg = img;
+ div.append(img);
+ anchor.append(div);
+ container.append(anchor);
+ }
+ #updateDims() {
+ const {
+ width,
+ height
+ } = this.viewport;
+ const ratio = width / height;
+ this.canvasWidth = THUMBNAIL_WIDTH;
+ this.canvasHeight = this.canvasWidth / ratio | 0;
+ this.scale = this.canvasWidth / width;
+ const {
+ style
+ } = this.div;
+ style.setProperty("--thumbnail-width", `${this.canvasWidth}px`);
+ style.setProperty("--thumbnail-height", `${this.canvasHeight}px`);
+ }
+ setPdfPage(pdfPage) {
+ this.pdfPage = pdfPage;
+ this.pdfPageRotate = pdfPage.rotate;
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = pdfPage.getViewport({
+ scale: 1,
+ rotation: totalRotation
+ });
+ this.reset();
+ }
+ reset() {
+ this.cancelRendering();
+ this.renderingState = RenderingStates.INITIAL;
+ this.div.removeAttribute("data-loaded");
+ this.image?.replaceWith(this._placeholderImg);
+ this.#updateDims();
+ if (this.image) {
+ this.image.removeAttribute("src");
+ delete this.image;
+ }
+ }
+ update({
+ rotation = null
+ }) {
+ if (typeof rotation === "number") {
+ this.rotation = rotation;
+ }
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = this.viewport.clone({
+ scale: 1,
+ rotation: totalRotation
+ });
+ this.reset();
+ }
+ cancelRendering() {
+ if (this.renderTask) {
+ this.renderTask.cancel();
+ this.renderTask = null;
+ }
+ this.resume = null;
+ }
+ #getPageDrawContext(upscaleFactor = 1) {
+ const canvas = document.createElement("canvas");
+ const outputScale = new OutputScale();
+ const width = upscaleFactor * this.canvasWidth,
+ height = upscaleFactor * this.canvasHeight;
+ outputScale.limitCanvas(width, height, this.maxCanvasPixels, this.maxCanvasDim);
+ canvas.width = width * outputScale.sx | 0;
+ canvas.height = height * outputScale.sy | 0;
+ const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
+ return {
+ canvas,
+ transform
+ };
+ }
+ #convertCanvasToImage(canvas) {
+ if (this.renderingState !== RenderingStates.FINISHED) {
+ throw new Error("#convertCanvasToImage: Rendering has not finished.");
+ }
+ const reducedCanvas = this.#reduceImage(canvas);
+ const image = document.createElement("img");
+ image.className = "thumbnailImage";
+ image.setAttribute("data-l10n-id", "pdfjs-thumb-page-canvas");
+ image.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ image.src = reducedCanvas.toDataURL();
+ this.image = image;
+ this.div.setAttribute("data-loaded", true);
+ this._placeholderImg.replaceWith(image);
+ zeroCanvas(reducedCanvas);
+ }
+ async draw() {
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ console.error("Must be in new state before drawing");
+ return;
+ }
+ const {
+ pageColors,
+ pdfPage
+ } = this;
+ if (!pdfPage) {
+ this.renderingState = RenderingStates.FINISHED;
+ throw new Error("pdfPage is not loaded");
+ }
+ this.renderingState = RenderingStates.RUNNING;
+ const {
+ canvas,
+ transform
+ } = this.#getPageDrawContext(DRAW_UPSCALE_FACTOR);
+ const drawViewport = this.viewport.clone({
+ scale: DRAW_UPSCALE_FACTOR * this.scale
+ });
+ const renderContinueCallback = cont => {
+ if (!this.renderingQueue.isHighestPriority(this)) {
+ this.renderingState = RenderingStates.PAUSED;
+ this.resume = () => {
+ this.renderingState = RenderingStates.RUNNING;
+ cont();
+ };
+ return;
+ }
+ cont();
+ };
+ const renderContext = {
+ canvas,
+ transform,
+ viewport: drawViewport,
+ optionalContentConfigPromise: this._optionalContentConfigPromise,
+ pageColors
+ };
+ const renderTask = this.renderTask = pdfPage.render(renderContext);
+ renderTask.onContinue = renderContinueCallback;
+ let error = null;
+ try {
+ await renderTask.promise;
+ } catch (e) {
+ if (e instanceof RenderingCancelledException) {
+ zeroCanvas(canvas);
+ return;
+ }
+ error = e;
+ } finally {
+ if (renderTask === this.renderTask) {
+ this.renderTask = null;
+ }
+ }
+ this.renderingState = RenderingStates.FINISHED;
+ this.#convertCanvasToImage(canvas);
+ zeroCanvas(canvas);
+ this.eventBus.dispatch("thumbnailrendered", {
+ source: this,
+ pageNumber: this.id,
+ pdfPage
+ });
+ if (error) {
+ throw error;
+ }
+ }
+ setImage(pageView) {
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ return;
+ }
+ const {
+ thumbnailCanvas: canvas,
+ pdfPage,
+ scale
+ } = pageView;
+ if (!canvas) {
+ return;
+ }
+ if (!this.pdfPage) {
+ this.setPdfPage(pdfPage);
+ }
+ if (scale < this.scale) {
+ return;
+ }
+ this.renderingState = RenderingStates.FINISHED;
+ this.#convertCanvasToImage(canvas);
+ }
+ #getReducedImageDims(canvas) {
+ const width = canvas.width << MAX_NUM_SCALING_STEPS,
+ height = canvas.height << MAX_NUM_SCALING_STEPS;
+ const outputScale = new OutputScale();
+ outputScale.sx = outputScale.sy = 1;
+ outputScale.limitCanvas(width, height, this.maxCanvasPixels, this.maxCanvasDim);
+ return [width * outputScale.sx | 0, height * outputScale.sy | 0];
+ }
+ #reduceImage(img) {
+ const {
+ canvas
+ } = this.#getPageDrawContext(1);
+ const ctx = canvas.getContext("2d", {
+ alpha: false,
+ willReadFrequently: false
+ });
+ if (img.width <= 2 * canvas.width) {
+ ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
+ return canvas;
+ }
+ let [reducedWidth, reducedHeight] = this.#getReducedImageDims(canvas);
+ const [reducedImage, reducedImageCtx] = TempImageFactory.getCanvas(reducedWidth, reducedHeight);
+ while (reducedWidth > img.width || reducedHeight > img.height) {
+ reducedWidth >>= 1;
+ reducedHeight >>= 1;
+ }
+ reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
+ while (reducedWidth > 2 * canvas.width) {
+ reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
+ reducedWidth >>= 1;
+ reducedHeight >>= 1;
+ }
+ ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
+ return canvas;
+ }
+ get #pageL10nArgs() {
+ return JSON.stringify({
+ page: this.pageLabel ?? this.id
+ });
+ }
+ setPageLabel(label) {
+ this.pageLabel = typeof label === "string" ? label : null;
+ this.anchor.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ if (this.renderingState !== RenderingStates.FINISHED) {
+ return;
+ }
+ this.image?.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ }
+}
+
+;// ./web/pdf_thumbnail_viewer.js
+
+
+const THUMBNAIL_SCROLL_MARGIN = -19;
+const THUMBNAIL_SELECTED_CLASS = "selected";
+class PDFThumbnailViewer {
+ constructor({
+ container,
+ eventBus,
+ linkService,
+ renderingQueue,
+ maxCanvasPixels,
+ maxCanvasDim,
+ pageColors,
+ abortSignal,
+ enableHWA
+ }) {
+ this.container = container;
+ this.eventBus = eventBus;
+ this.linkService = linkService;
+ this.renderingQueue = renderingQueue;
+ this.maxCanvasPixels = maxCanvasPixels;
+ this.maxCanvasDim = maxCanvasDim;
+ this.pageColors = pageColors || null;
+ this.enableHWA = enableHWA || false;
+ this.scroll = watchScroll(this.container, this.#scrollUpdated.bind(this), abortSignal);
+ this.#resetView();
+ }
+ #scrollUpdated() {
+ this.renderingQueue.renderHighestPriority();
+ }
+ getThumbnail(index) {
+ return this._thumbnails[index];
+ }
+ #getVisibleThumbs() {
+ return getVisibleElements({
+ scrollEl: this.container,
+ views: this._thumbnails
+ });
+ }
+ scrollThumbnailIntoView(pageNumber) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const thumbnailView = this._thumbnails[pageNumber - 1];
+ if (!thumbnailView) {
+ console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
+ return;
+ }
+ if (pageNumber !== this._currentPageNumber) {
+ const prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
+ prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
+ thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
+ }
+ const {
+ first,
+ last,
+ views
+ } = this.#getVisibleThumbs();
+ if (views.length > 0) {
+ let shouldScroll = false;
+ if (pageNumber <= first.id || pageNumber >= last.id) {
+ shouldScroll = true;
+ } else {
+ for (const {
+ id,
+ percent
+ } of views) {
+ if (id !== pageNumber) {
+ continue;
+ }
+ shouldScroll = percent < 100;
+ break;
+ }
+ }
+ if (shouldScroll) {
+ scrollIntoView(thumbnailView.div, {
+ top: THUMBNAIL_SCROLL_MARGIN
+ });
+ }
+ }
+ this._currentPageNumber = pageNumber;
+ }
+ get pagesRotation() {
+ return this._pagesRotation;
+ }
+ set pagesRotation(rotation) {
+ if (!isValidRotation(rotation)) {
+ throw new Error("Invalid thumbnails rotation angle.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (this._pagesRotation === rotation) {
+ return;
+ }
+ this._pagesRotation = rotation;
+ const updateArgs = {
+ rotation
+ };
+ for (const thumbnail of this._thumbnails) {
+ thumbnail.update(updateArgs);
+ }
+ }
+ cleanup() {
+ for (const thumbnail of this._thumbnails) {
+ if (thumbnail.renderingState !== RenderingStates.FINISHED) {
+ thumbnail.reset();
+ }
+ }
+ TempImageFactory.destroyCanvas();
+ }
+ #resetView() {
+ this._thumbnails = [];
+ this._currentPageNumber = 1;
+ this._pageLabels = null;
+ this._pagesRotation = 0;
+ this.container.textContent = "";
+ }
+ setDocument(pdfDocument) {
+ if (this.pdfDocument) {
+ this.#cancelRendering();
+ this.#resetView();
+ }
+ this.pdfDocument = pdfDocument;
+ if (!pdfDocument) {
+ return;
+ }
+ const firstPagePromise = pdfDocument.getPage(1);
+ const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ });
+ firstPagePromise.then(firstPdfPage => {
+ const pagesCount = pdfDocument.numPages;
+ const viewport = firstPdfPage.getViewport({
+ scale: 1
+ });
+ for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
+ const thumbnail = new PDFThumbnailView({
+ container: this.container,
+ eventBus: this.eventBus,
+ id: pageNum,
+ defaultViewport: viewport.clone(),
+ optionalContentConfigPromise,
+ linkService: this.linkService,
+ renderingQueue: this.renderingQueue,
+ maxCanvasPixels: this.maxCanvasPixels,
+ maxCanvasDim: this.maxCanvasDim,
+ pageColors: this.pageColors,
+ enableHWA: this.enableHWA
+ });
+ this._thumbnails.push(thumbnail);
+ }
+ this._thumbnails[0]?.setPdfPage(firstPdfPage);
+ const thumbnailView = this._thumbnails[this._currentPageNumber - 1];
+ thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
+ }).catch(reason => {
+ console.error("Unable to initialize thumbnail viewer", reason);
+ });
+ }
+ #cancelRendering() {
+ for (const thumbnail of this._thumbnails) {
+ thumbnail.cancelRendering();
+ }
+ }
+ setPageLabels(labels) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!labels) {
+ this._pageLabels = null;
+ } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
+ this._pageLabels = null;
+ console.error("PDFThumbnailViewer_setPageLabels: Invalid page labels.");
+ } else {
+ this._pageLabels = labels;
+ }
+ for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
+ this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null);
+ }
+ }
+ async #ensurePdfPageLoaded(thumbView) {
+ if (thumbView.pdfPage) {
+ return thumbView.pdfPage;
+ }
+ try {
+ const pdfPage = await this.pdfDocument.getPage(thumbView.id);
+ if (!thumbView.pdfPage) {
+ thumbView.setPdfPage(pdfPage);
+ }
+ return pdfPage;
+ } catch (reason) {
+ console.error("Unable to get page for thumb view", reason);
+ return null;
+ }
+ }
+ #getScrollAhead(visible) {
+ if (visible.first?.id === 1) {
+ return true;
+ } else if (visible.last?.id === this._thumbnails.length) {
+ return false;
+ }
+ return this.scroll.down;
+ }
+ forceRendering() {
+ const visibleThumbs = this.#getVisibleThumbs();
+ const scrollAhead = this.#getScrollAhead(visibleThumbs);
+ const thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, scrollAhead, false, true);
+ if (thumbView) {
+ this.#ensurePdfPageLoaded(thumbView).then(() => {
+ this.renderingQueue.renderView(thumbView);
+ });
+ return true;
+ }
+ return false;
+ }
+}
+
+;// ./web/annotation_editor_layer_builder.js
+
+
+class AnnotationEditorLayerBuilder {
+ #annotationLayer = null;
+ #drawLayer = null;
+ #onAppend = null;
+ #structTreeLayer = null;
+ #textLayer = null;
+ #uiManager;
+ constructor(options) {
+ this.pdfPage = options.pdfPage;
+ this.accessibilityManager = options.accessibilityManager;
+ this.l10n = options.l10n;
+ this.l10n ||= new genericl10n_GenericL10n();
+ this.annotationEditorLayer = null;
+ this.div = null;
+ this._cancelled = false;
+ this.#uiManager = options.uiManager;
+ this.#annotationLayer = options.annotationLayer || null;
+ this.#textLayer = options.textLayer || null;
+ this.#drawLayer = options.drawLayer || null;
+ this.#onAppend = options.onAppend || null;
+ this.#structTreeLayer = options.structTreeLayer || null;
+ }
+ async render({
+ viewport,
+ intent = "display"
+ }) {
+ if (intent !== "display") {
+ return;
+ }
+ if (this._cancelled) {
+ return;
+ }
+ const clonedViewport = viewport.clone({
+ dontFlip: true
+ });
+ if (this.div) {
+ this.annotationEditorLayer.update({
+ viewport: clonedViewport
+ });
+ this.show();
+ return;
+ }
+ const div = this.div = document.createElement("div");
+ div.className = "annotationEditorLayer";
+ div.hidden = true;
+ div.dir = this.#uiManager.direction;
+ this.#onAppend?.(div);
+ this.annotationEditorLayer = new AnnotationEditorLayer({
+ uiManager: this.#uiManager,
+ div,
+ structTreeLayer: this.#structTreeLayer,
+ accessibilityManager: this.accessibilityManager,
+ pageIndex: this.pdfPage.pageNumber - 1,
+ l10n: this.l10n,
+ viewport: clonedViewport,
+ annotationLayer: this.#annotationLayer,
+ textLayer: this.#textLayer,
+ drawLayer: this.#drawLayer
+ });
+ const parameters = {
+ viewport: clonedViewport,
+ div,
+ annotations: null,
+ intent
+ };
+ this.annotationEditorLayer.render(parameters);
+ this.show();
+ }
+ cancel() {
+ this._cancelled = true;
+ if (!this.div) {
+ return;
+ }
+ this.annotationEditorLayer.destroy();
+ }
+ hide() {
+ if (!this.div) {
+ return;
+ }
+ this.annotationEditorLayer.pause(true);
+ this.div.hidden = true;
+ }
+ show() {
+ if (!this.div || this.annotationEditorLayer.isInvisible) {
+ return;
+ }
+ this.div.hidden = false;
+ this.annotationEditorLayer.pause(false);
+ }
+}
+
+;// ./web/annotation_layer_builder.js
+
+
+class AnnotationLayerBuilder {
+ #annotations = null;
+ #commentManager = null;
+ #externalHide = false;
+ #onAppend = null;
+ #eventAbortController = null;
+ #linksInjected = false;
+ constructor({
+ pdfPage,
+ linkService,
+ downloadManager,
+ annotationStorage = null,
+ imageResourcesPath = "",
+ renderForms = true,
+ enableComment = false,
+ commentManager = null,
+ enableScripting = false,
+ hasJSActionsPromise = null,
+ fieldObjectsPromise = null,
+ annotationCanvasMap = null,
+ accessibilityManager = null,
+ annotationEditorUIManager = null,
+ onAppend = null
+ }) {
+ this.pdfPage = pdfPage;
+ this.linkService = linkService;
+ this.downloadManager = downloadManager;
+ this.imageResourcesPath = imageResourcesPath;
+ this.renderForms = renderForms;
+ this.annotationStorage = annotationStorage;
+ this.enableComment = enableComment;
+ this.#commentManager = commentManager;
+ this.enableScripting = enableScripting;
+ this._hasJSActionsPromise = hasJSActionsPromise || Promise.resolve(false);
+ this._fieldObjectsPromise = fieldObjectsPromise || Promise.resolve(null);
+ this._annotationCanvasMap = annotationCanvasMap;
+ this._accessibilityManager = accessibilityManager;
+ this._annotationEditorUIManager = annotationEditorUIManager;
+ this.#onAppend = onAppend;
+ this.annotationLayer = null;
+ this.div = null;
+ this._cancelled = false;
+ this._eventBus = linkService.eventBus;
+ }
+ async render({
+ viewport,
+ intent = "display",
+ structTreeLayer = null
+ }) {
+ if (this.div) {
+ if (this._cancelled || !this.annotationLayer) {
+ return;
+ }
+ this.annotationLayer.update({
+ viewport: viewport.clone({
+ dontFlip: true
+ })
+ });
+ return;
+ }
+ const [annotations, hasJSActions, fieldObjects] = await Promise.all([this.pdfPage.getAnnotations({
+ intent
+ }), this._hasJSActionsPromise, this._fieldObjectsPromise]);
+ if (this._cancelled) {
+ return;
+ }
+ const div = this.div = document.createElement("div");
+ div.className = "annotationLayer";
+ this.#onAppend?.(div);
+ this.#initAnnotationLayer(viewport, structTreeLayer);
+ if (annotations.length === 0) {
+ this.#annotations = annotations;
+ setLayerDimensions(this.div, viewport);
+ return;
+ }
+ await this.annotationLayer.render({
+ annotations,
+ imageResourcesPath: this.imageResourcesPath,
+ renderForms: this.renderForms,
+ downloadManager: this.downloadManager,
+ enableComment: this.enableComment,
+ enableScripting: this.enableScripting,
+ hasJSActions,
+ fieldObjects
+ });
+ this.#annotations = annotations;
+ if (this.linkService.isInPresentationMode) {
+ this.#updatePresentationModeState(PresentationModeState.FULLSCREEN);
+ }
+ if (!this.#eventAbortController) {
+ this.#eventAbortController = new AbortController();
+ this._eventBus?._on("presentationmodechanged", evt => {
+ this.#updatePresentationModeState(evt.state);
+ }, {
+ signal: this.#eventAbortController.signal
+ });
+ }
+ }
+ #initAnnotationLayer(viewport, structTreeLayer) {
+ this.annotationLayer = new AnnotationLayer({
+ div: this.div,
+ accessibilityManager: this._accessibilityManager,
+ annotationCanvasMap: this._annotationCanvasMap,
+ annotationEditorUIManager: this._annotationEditorUIManager,
+ annotationStorage: this.annotationStorage,
+ page: this.pdfPage,
+ viewport: viewport.clone({
+ dontFlip: true
+ }),
+ structTreeLayer,
+ commentManager: this.#commentManager,
+ linkService: this.linkService
+ });
+ }
+ cancel() {
+ this._cancelled = true;
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ }
+ hide(internal = false) {
+ this.#externalHide = !internal;
+ if (!this.div) {
+ return;
+ }
+ this.div.hidden = true;
+ }
+ hasEditableAnnotations() {
+ return !!this.annotationLayer?.hasEditableAnnotations();
+ }
+ async injectLinkAnnotations(inferredLinks) {
+ if (this.#annotations === null) {
+ throw new Error("`render` method must be called before `injectLinkAnnotations`.");
+ }
+ if (this._cancelled || this.#linksInjected) {
+ return;
+ }
+ this.#linksInjected = true;
+ const newLinks = this.#annotations.length ? this.#checkInferredLinks(inferredLinks) : inferredLinks;
+ if (!newLinks.length) {
+ return;
+ }
+ await this.annotationLayer.addLinkAnnotations(newLinks);
+ if (!this.#externalHide) {
+ this.div.hidden = false;
+ }
+ }
+ #updatePresentationModeState(state) {
+ if (!this.div) {
+ return;
+ }
+ let disableFormElements = false;
+ switch (state) {
+ case PresentationModeState.FULLSCREEN:
+ disableFormElements = true;
+ break;
+ case PresentationModeState.NORMAL:
+ break;
+ default:
+ return;
+ }
+ for (const section of this.div.childNodes) {
+ if (section.hasAttribute("data-internal-link")) {
+ continue;
+ }
+ section.inert = disableFormElements;
+ }
+ }
+ #checkInferredLinks(inferredLinks) {
+ function annotationRects(annot) {
+ if (!annot.quadPoints) {
+ return [annot.rect];
+ }
+ const rects = [];
+ for (let i = 2, ii = annot.quadPoints.length; i < ii; i += 8) {
+ const trX = annot.quadPoints[i];
+ const trY = annot.quadPoints[i + 1];
+ const blX = annot.quadPoints[i + 2];
+ const blY = annot.quadPoints[i + 3];
+ rects.push([blX, blY, trX, trY]);
+ }
+ return rects;
+ }
+ function intersectAnnotations(annot1, annot2) {
+ const intersections = [];
+ const annot1Rects = annotationRects(annot1);
+ const annot2Rects = annotationRects(annot2);
+ for (const rect1 of annot1Rects) {
+ for (const rect2 of annot2Rects) {
+ const intersection = Util.intersect(rect1, rect2);
+ if (intersection) {
+ intersections.push(intersection);
+ }
+ }
+ }
+ return intersections;
+ }
+ function areaRects(rects) {
+ let totalArea = 0;
+ for (const rect of rects) {
+ totalArea += Math.abs((rect[2] - rect[0]) * (rect[3] - rect[1]));
+ }
+ return totalArea;
+ }
+ return inferredLinks.filter(link => {
+ let linkAreaRects;
+ for (const annotation of this.#annotations) {
+ if (annotation.annotationType !== AnnotationType.LINK || !annotation.url) {
+ continue;
+ }
+ const intersections = intersectAnnotations(annotation, link);
+ if (intersections.length === 0) {
+ continue;
+ }
+ linkAreaRects ??= areaRects(annotationRects(link));
+ if (areaRects(intersections) / linkAreaRects > 0.5) {
+ return false;
+ }
+ }
+ return true;
+ });
+ }
+}
+
+;// ./web/autolinker.js
+
+
+function DOMRectToPDF({
+ width,
+ height,
+ left,
+ top
+}, pdfPageView) {
+ if (width === 0 || height === 0) {
+ return null;
+ }
+ const pageBox = pdfPageView.textLayer.div.getBoundingClientRect();
+ const bottomLeft = pdfPageView.getPagePoint(left - pageBox.left, top - pageBox.top);
+ const topRight = pdfPageView.getPagePoint(left - pageBox.left + width, top - pageBox.top + height);
+ return Util.normalizeRect([bottomLeft[0], bottomLeft[1], topRight[0], topRight[1]]);
+}
+function calculateLinkPosition(range, pdfPageView) {
+ const rangeRects = range.getClientRects();
+ if (rangeRects.length === 1) {
+ return {
+ rect: DOMRectToPDF(rangeRects[0], pdfPageView)
+ };
+ }
+ const rect = [Infinity, Infinity, -Infinity, -Infinity];
+ const quadPoints = [];
+ let i = 0;
+ for (const domRect of rangeRects) {
+ const normalized = DOMRectToPDF(domRect, pdfPageView);
+ if (normalized === null) {
+ continue;
+ }
+ quadPoints[i] = quadPoints[i + 4] = normalized[0];
+ quadPoints[i + 1] = quadPoints[i + 3] = normalized[3];
+ quadPoints[i + 2] = quadPoints[i + 6] = normalized[2];
+ quadPoints[i + 5] = quadPoints[i + 7] = normalized[1];
+ Util.rectBoundingBox(...normalized, rect);
+ i += 8;
+ }
+ return {
+ quadPoints,
+ rect
+ };
+}
+function textPosition(container, offset) {
+ let currentContainer = container;
+ do {
+ if (currentContainer.nodeType === Node.TEXT_NODE) {
+ const currentLength = currentContainer.textContent.length;
+ if (offset <= currentLength) {
+ return [currentContainer, offset];
+ }
+ offset -= currentLength;
+ } else if (currentContainer.firstChild) {
+ currentContainer = currentContainer.firstChild;
+ continue;
+ }
+ while (!currentContainer.nextSibling && currentContainer !== container) {
+ currentContainer = currentContainer.parentNode;
+ }
+ if (currentContainer !== container) {
+ currentContainer = currentContainer.nextSibling;
+ }
+ } while (currentContainer !== container);
+ throw new Error("Offset is bigger than container's contents length.");
+}
+function createLinkAnnotation({
+ url,
+ index,
+ length
+}, pdfPageView, id) {
+ const highlighter = pdfPageView._textHighlighter;
+ const [{
+ begin,
+ end
+ }] = highlighter._convertMatches([index], [length]);
+ const range = new Range();
+ range.setStart(...textPosition(highlighter.textDivs[begin.divIdx], begin.offset));
+ range.setEnd(...textPosition(highlighter.textDivs[end.divIdx], end.offset));
+ return {
+ id: `inferred_link_${id}`,
+ unsafeUrl: url,
+ url,
+ annotationType: AnnotationType.LINK,
+ rotation: 0,
+ ...calculateLinkPosition(range, pdfPageView),
+ borderStyle: null
+ };
+}
+class Autolinker {
+ static #index = 0;
+ static #regex;
+ static findLinks(text) {
+ this.#regex ??= /\b(?:https?:\/\/|mailto:|www\.)(?:[\S--[\p{P}<>]]|\/|[\S--[\[\]]]+[\S--[\p{P}<>]])+|\b[\S--[@\p{Ps}\p{Pe}<>]]+@([\S--[\p{P}<>]]+(?:\.[\S--[\p{P}<>]]+)+)/gmv;
+ const [normalizedText, diffs] = normalize(text, {
+ ignoreDashEOL: true
+ });
+ const matches = normalizedText.matchAll(this.#regex);
+ const links = [];
+ for (const match of matches) {
+ const [url, emailDomain] = match;
+ let raw;
+ if (url.startsWith("www.") || url.startsWith("http://") || url.startsWith("https://")) {
+ raw = url;
+ } else if (URL.canParse(`http://${emailDomain}`)) {
+ raw = url.startsWith("mailto:") ? url : `mailto:${url}`;
+ } else {
+ continue;
+ }
+ const absoluteURL = createValidAbsoluteUrl(raw, null, {
+ addDefaultProtocol: true
+ });
+ if (absoluteURL) {
+ const [index, length] = getOriginalIndex(diffs, match.index, url.length);
+ links.push({
+ url: absoluteURL.href,
+ index,
+ length
+ });
+ }
+ }
+ return links;
+ }
+ static processLinks(pdfPageView) {
+ return this.findLinks(pdfPageView._textHighlighter.textContentItemsStr.join("\n")).map(link => createLinkAnnotation(link, pdfPageView, this.#index++));
+ }
+}
+
+;// ./web/base_pdf_page_view.js
+
+
+class BasePDFPageView {
+ #loadingId = null;
+ #minDurationToUpdateCanvas = 0;
+ #renderError = null;
+ #renderingState = RenderingStates.INITIAL;
+ #showCanvas = null;
+ #startTime = 0;
+ #tempCanvas = null;
+ canvas = null;
+ div = null;
+ enableOptimizedPartialRendering = false;
+ eventBus = null;
+ id = null;
+ pageColors = null;
+ recordedBBoxes = null;
+ renderingQueue = null;
+ renderTask = null;
+ resume = null;
+ constructor(options) {
+ this.eventBus = options.eventBus;
+ this.id = options.id;
+ this.pageColors = options.pageColors || null;
+ this.renderingQueue = options.renderingQueue;
+ this.enableOptimizedPartialRendering = options.enableOptimizedPartialRendering ?? false;
+ this.#minDurationToUpdateCanvas = options.minDurationToUpdateCanvas ?? 500;
+ }
+ get renderingState() {
+ return this.#renderingState;
+ }
+ set renderingState(state) {
+ if (state === this.#renderingState) {
+ return;
+ }
+ this.#renderingState = state;
+ if (this.#loadingId) {
+ clearTimeout(this.#loadingId);
+ this.#loadingId = null;
+ }
+ switch (state) {
+ case RenderingStates.PAUSED:
+ this.div.classList.remove("loading");
+ this.#startTime = 0;
+ this.#showCanvas?.(false);
+ break;
+ case RenderingStates.RUNNING:
+ this.div.classList.add("loadingIcon");
+ this.#loadingId = setTimeout(() => {
+ this.div.classList.add("loading");
+ this.#loadingId = null;
+ }, 0);
+ this.#startTime = Date.now();
+ break;
+ case RenderingStates.INITIAL:
+ case RenderingStates.FINISHED:
+ this.div.classList.remove("loadingIcon", "loading");
+ this.#startTime = 0;
+ break;
+ }
+ }
+ _createCanvas(onShow, hideUntilComplete = false) {
+ const {
+ pageColors
+ } = this;
+ const hasHCM = !!(pageColors?.background && pageColors?.foreground);
+ const prevCanvas = this.canvas;
+ const updateOnFirstShow = !prevCanvas && !hasHCM && !hideUntilComplete;
+ let canvas = this.canvas = document.createElement("canvas");
+ this.#showCanvas = isLastShow => {
+ if (updateOnFirstShow) {
+ let tempCanvas = this.#tempCanvas;
+ if (!isLastShow && this.#minDurationToUpdateCanvas > 0) {
+ if (Date.now() - this.#startTime < this.#minDurationToUpdateCanvas) {
+ return;
+ }
+ if (!tempCanvas) {
+ tempCanvas = this.#tempCanvas = canvas;
+ canvas = this.canvas = canvas.cloneNode(false);
+ onShow(canvas);
+ }
+ }
+ if (tempCanvas) {
+ const ctx = canvas.getContext("2d", {
+ alpha: false
+ });
+ ctx.drawImage(tempCanvas, 0, 0);
+ if (isLastShow) {
+ this.#resetTempCanvas();
+ } else {
+ this.#startTime = Date.now();
+ }
+ return;
+ }
+ onShow(canvas);
+ this.#showCanvas = null;
+ return;
+ }
+ if (!isLastShow) {
+ return;
+ }
+ if (prevCanvas) {
+ prevCanvas.replaceWith(canvas);
+ prevCanvas.width = prevCanvas.height = 0;
+ } else {
+ onShow(canvas);
+ }
+ };
+ return {
+ canvas,
+ prevCanvas
+ };
+ }
+ #renderContinueCallback = cont => {
+ this.#showCanvas?.(false);
+ if (this.renderingQueue && !this.renderingQueue.isHighestPriority(this)) {
+ this.renderingState = RenderingStates.PAUSED;
+ this.resume = () => {
+ this.renderingState = RenderingStates.RUNNING;
+ cont();
+ };
+ return;
+ }
+ cont();
+ };
+ _resetCanvas() {
+ const {
+ canvas
+ } = this;
+ if (!canvas) {
+ return;
+ }
+ canvas.remove();
+ canvas.width = canvas.height = 0;
+ this.canvas = null;
+ this.#resetTempCanvas();
+ }
+ #resetTempCanvas() {
+ if (this.#tempCanvas) {
+ this.#tempCanvas.width = this.#tempCanvas.height = 0;
+ this.#tempCanvas = null;
+ }
+ }
+ async _drawCanvas(options, onCancel, onFinish) {
+ const renderTask = this.renderTask = this.pdfPage.render(options);
+ renderTask.onContinue = this.#renderContinueCallback;
+ renderTask.onError = error => {
+ if (error instanceof RenderingCancelledException) {
+ onCancel();
+ this.#renderError = null;
+ }
+ };
+ let error = null;
+ try {
+ await renderTask.promise;
+ this.#showCanvas?.(true);
+ } catch (e) {
+ if (e instanceof RenderingCancelledException) {
+ return;
+ }
+ error = e;
+ this.#showCanvas?.(true);
+ } finally {
+ this.#renderError = error;
+ if (renderTask === this.renderTask) {
+ this.renderTask = null;
+ if (this.enableOptimizedPartialRendering) {
+ this.recordedBBoxes ??= renderTask.recordedBBoxes;
+ }
+ }
+ }
+ this.renderingState = RenderingStates.FINISHED;
+ onFinish(renderTask);
+ if (error) {
+ throw error;
+ }
+ }
+ cancelRendering({
+ cancelExtraDelay = 0
+ } = {}) {
+ if (this.renderTask) {
+ this.renderTask.cancel(cancelExtraDelay);
+ this.renderTask = null;
+ }
+ this.resume = null;
+ }
+ dispatchPageRender() {
+ this.eventBus.dispatch("pagerender", {
+ source: this,
+ pageNumber: this.id
+ });
+ }
+ dispatchPageRendered(cssTransform, isDetailView) {
+ this.eventBus.dispatch("pagerendered", {
+ source: this,
+ pageNumber: this.id,
+ cssTransform,
+ isDetailView,
+ timestamp: performance.now(),
+ error: this.#renderError
+ });
+ }
+}
+
+;// ./web/draw_layer_builder.js
+
+class DrawLayerBuilder {
+ #drawLayer = null;
+ constructor(options) {
+ this.pageIndex = options.pageIndex;
+ }
+ async render({
+ intent = "display"
+ }) {
+ if (intent !== "display" || this.#drawLayer || this._cancelled) {
+ return;
+ }
+ this.#drawLayer = new DrawLayer({
+ pageIndex: this.pageIndex
+ });
+ }
+ cancel() {
+ this._cancelled = true;
+ if (!this.#drawLayer) {
+ return;
+ }
+ this.#drawLayer.destroy();
+ this.#drawLayer = null;
+ }
+ setParent(parent) {
+ this.#drawLayer?.setParent(parent);
+ }
+ getDrawLayer() {
+ return this.#drawLayer;
+ }
+}
+
+;// ./web/pdf_page_detail_view.js
+
+
+
+class PDFPageDetailView extends BasePDFPageView {
+ #detailArea = null;
+ renderingCancelled = false;
+ constructor({
+ pageView
+ }) {
+ super(pageView);
+ this.pageView = pageView;
+ this.renderingId = "detail" + this.id;
+ this.div = pageView.div;
+ }
+ setPdfPage(pdfPage) {
+ this.pageView.setPdfPage(pdfPage);
+ }
+ get pdfPage() {
+ return this.pageView.pdfPage;
+ }
+ get renderingState() {
+ return super.renderingState;
+ }
+ set renderingState(value) {
+ this.renderingCancelled = false;
+ super.renderingState = value;
+ }
+ reset({
+ keepCanvas = false
+ } = {}) {
+ const renderingCancelled = this.renderingCancelled || this.renderingState === RenderingStates.RUNNING || this.renderingState === RenderingStates.PAUSED;
+ this.cancelRendering();
+ this.renderingState = RenderingStates.INITIAL;
+ this.renderingCancelled = renderingCancelled;
+ if (!keepCanvas) {
+ this._resetCanvas();
+ }
+ }
+ #shouldRenderDifferentArea(visibleArea) {
+ if (!this.#detailArea) {
+ return true;
+ }
+ const minDetailX = this.#detailArea.minX;
+ const minDetailY = this.#detailArea.minY;
+ const maxDetailX = this.#detailArea.width + minDetailX;
+ const maxDetailY = this.#detailArea.height + minDetailY;
+ if (visibleArea.minX < minDetailX || visibleArea.minY < minDetailY || visibleArea.maxX > maxDetailX || visibleArea.maxY > maxDetailY) {
+ return true;
+ }
+ const {
+ width: maxWidth,
+ height: maxHeight,
+ scale
+ } = this.pageView.viewport;
+ if (this.#detailArea.scale !== scale) {
+ return true;
+ }
+ const paddingLeftSize = visibleArea.minX - minDetailX;
+ const paddingRightSize = maxDetailX - visibleArea.maxX;
+ const paddingTopSize = visibleArea.minY - minDetailY;
+ const paddingBottomSize = maxDetailY - visibleArea.maxY;
+ const MOVEMENT_THRESHOLD = 0.5;
+ const ratio = (1 + MOVEMENT_THRESHOLD) / MOVEMENT_THRESHOLD;
+ if (minDetailX > 0 && paddingRightSize / paddingLeftSize > ratio || maxDetailX < maxWidth && paddingLeftSize / paddingRightSize > ratio || minDetailY > 0 && paddingBottomSize / paddingTopSize > ratio || maxDetailY < maxHeight && paddingTopSize / paddingBottomSize > ratio) {
+ return true;
+ }
+ return false;
+ }
+ update({
+ visibleArea = null,
+ underlyingViewUpdated = false
+ } = {}) {
+ if (underlyingViewUpdated) {
+ this.cancelRendering();
+ this.renderingState = RenderingStates.INITIAL;
+ return;
+ }
+ if (!this.#shouldRenderDifferentArea(visibleArea)) {
+ return;
+ }
+ const {
+ viewport,
+ maxCanvasPixels,
+ capCanvasAreaFactor
+ } = this.pageView;
+ const visibleWidth = visibleArea.maxX - visibleArea.minX;
+ const visibleHeight = visibleArea.maxY - visibleArea.minY;
+ const visiblePixels = visibleWidth * visibleHeight * OutputScale.pixelRatio ** 2;
+ const maxDetailToVisibleLinearRatio = Math.sqrt(OutputScale.capPixels(maxCanvasPixels, capCanvasAreaFactor) / visiblePixels);
+ const maxOverflowScale = (maxDetailToVisibleLinearRatio - 1) / 2;
+ let overflowScale = Math.min(1, maxOverflowScale);
+ if (overflowScale < 0) {
+ overflowScale = 0;
+ }
+ const overflowWidth = visibleWidth * overflowScale;
+ const overflowHeight = visibleHeight * overflowScale;
+ const minX = Math.max(0, visibleArea.minX - overflowWidth);
+ const maxX = Math.min(viewport.width, visibleArea.maxX + overflowWidth);
+ const minY = Math.max(0, visibleArea.minY - overflowHeight);
+ const maxY = Math.min(viewport.height, visibleArea.maxY + overflowHeight);
+ const width = maxX - minX;
+ const height = maxY - minY;
+ this.#detailArea = {
+ minX,
+ minY,
+ width,
+ height,
+ scale: viewport.scale
+ };
+ this.reset({
+ keepCanvas: true
+ });
+ }
+ _getRenderingContext(canvas, transform) {
+ const baseContext = this.pageView._getRenderingContext(canvas, transform, false);
+ const recordedBBoxes = this.pdfPage.recordedBBoxes;
+ if (!recordedBBoxes || !this.enableOptimizedPartialRendering) {
+ return baseContext;
+ }
+ const {
+ viewport: {
+ width: vWidth,
+ height: vHeight
+ }
+ } = this.pageView;
+ const {
+ width: aWidth,
+ height: aHeight,
+ minX: aMinX,
+ minY: aMinY
+ } = this.#detailArea;
+ const detailMinX = aMinX / vWidth;
+ const detailMinY = aMinY / vHeight;
+ const detailMaxX = (aMinX + aWidth) / vWidth;
+ const detailMaxY = (aMinY + aHeight) / vHeight;
+ return {
+ ...baseContext,
+ operationsFilter(index) {
+ if (recordedBBoxes.isEmpty(index)) {
+ return false;
+ }
+ return recordedBBoxes.minX(index) <= detailMaxX && recordedBBoxes.maxX(index) >= detailMinX && recordedBBoxes.minY(index) <= detailMaxY && recordedBBoxes.maxY(index) >= detailMinY;
+ }
+ };
+ }
+ async draw() {
+ if (this.pageView.detailView !== this) {
+ return undefined;
+ }
+ const hideUntilComplete = this.pageView.renderingState === RenderingStates.FINISHED || this.renderingState === RenderingStates.FINISHED;
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ console.error("Must be in new state before drawing");
+ this.reset();
+ }
+ const {
+ div,
+ pdfPage,
+ viewport
+ } = this.pageView;
+ if (!pdfPage) {
+ this.renderingState = RenderingStates.FINISHED;
+ throw new Error("pdfPage is not loaded");
+ }
+ this.renderingState = RenderingStates.RUNNING;
+ const canvasWrapper = this.pageView._ensureCanvasWrapper();
+ const {
+ canvas,
+ prevCanvas
+ } = this._createCanvas(newCanvas => {
+ if (canvasWrapper.firstElementChild?.tagName === "CANVAS") {
+ canvasWrapper.firstElementChild.after(newCanvas);
+ } else {
+ canvasWrapper.prepend(newCanvas);
+ }
+ }, hideUntilComplete);
+ canvas.ariaHidden = true;
+ if (this.enableOptimizedPartialRendering) {
+ canvas.className = "detailView";
+ }
+ const {
+ width,
+ height
+ } = viewport;
+ const area = this.#detailArea;
+ const {
+ pixelRatio
+ } = OutputScale;
+ const transform = [pixelRatio, 0, 0, pixelRatio, -area.minX * pixelRatio, -area.minY * pixelRatio];
+ canvas.width = area.width * pixelRatio;
+ canvas.height = area.height * pixelRatio;
+ const {
+ style
+ } = canvas;
+ style.width = `${area.width * 100 / width}%`;
+ style.height = `${area.height * 100 / height}%`;
+ style.top = `${area.minY * 100 / height}%`;
+ style.left = `${area.minX * 100 / width}%`;
+ const renderingPromise = this._drawCanvas(this._getRenderingContext(canvas, transform), () => {
+ this.canvas?.remove();
+ this.canvas = prevCanvas;
+ }, () => {
+ this.dispatchPageRendered(false, true);
+ });
+ div.setAttribute("data-loaded", true);
+ this.dispatchPageRender();
+ return renderingPromise;
+ }
+}
+
+;// ./web/struct_tree_layer_builder.js
+
+const PDF_ROLE_TO_HTML_ROLE = {
+ Document: null,
+ DocumentFragment: null,
+ Part: "group",
+ Sect: "group",
+ Div: "group",
+ Aside: "note",
+ NonStruct: "none",
+ P: null,
+ H: "heading",
+ Title: null,
+ FENote: "note",
+ Sub: "group",
+ Lbl: null,
+ Span: null,
+ Em: null,
+ Strong: null,
+ Link: "link",
+ Annot: "note",
+ Form: "form",
+ Ruby: null,
+ RB: null,
+ RT: null,
+ RP: null,
+ Warichu: null,
+ WT: null,
+ WP: null,
+ L: "list",
+ LI: "listitem",
+ LBody: null,
+ Table: "table",
+ TR: "row",
+ TH: "columnheader",
+ TD: "cell",
+ THead: "columnheader",
+ TBody: null,
+ TFoot: null,
+ Caption: null,
+ Figure: "figure",
+ Formula: null,
+ Artifact: null
+};
+const HEADING_PATTERN = /^H(\d+)$/;
+class StructTreeLayerBuilder {
+ #promise;
+ #treeDom = null;
+ #treePromise;
+ #elementAttributes = new Map();
+ #rawDims;
+ #elementsToAddToTextLayer = null;
+ constructor(pdfPage, rawDims) {
+ this.#promise = pdfPage.getStructTree();
+ this.#rawDims = rawDims;
+ }
+ async render() {
+ if (this.#treePromise) {
+ return this.#treePromise;
+ }
+ const {
+ promise,
+ resolve,
+ reject
+ } = Promise.withResolvers();
+ this.#treePromise = promise;
+ try {
+ this.#treeDom = this.#walk(await this.#promise);
+ } catch (ex) {
+ reject(ex);
+ }
+ this.#promise = null;
+ this.#treeDom?.classList.add("structTree");
+ resolve(this.#treeDom);
+ return promise;
+ }
+ async getAriaAttributes(annotationId) {
+ try {
+ await this.render();
+ return this.#elementAttributes.get(annotationId);
+ } catch {}
+ return null;
+ }
+ hide() {
+ if (this.#treeDom && !this.#treeDom.hidden) {
+ this.#treeDom.hidden = true;
+ }
+ }
+ show() {
+ if (this.#treeDom?.hidden) {
+ this.#treeDom.hidden = false;
+ }
+ }
+ #setAttributes(structElement, htmlElement) {
+ const {
+ alt,
+ id,
+ lang
+ } = structElement;
+ if (alt !== undefined) {
+ let added = false;
+ const label = removeNullCharacters(alt);
+ for (const child of structElement.children) {
+ if (child.type === "annotation") {
+ let attrs = this.#elementAttributes.get(child.id);
+ if (!attrs) {
+ attrs = new Map();
+ this.#elementAttributes.set(child.id, attrs);
+ }
+ attrs.set("aria-label", label);
+ added = true;
+ }
+ }
+ if (!added) {
+ htmlElement.setAttribute("aria-label", label);
+ }
+ }
+ if (id !== undefined) {
+ htmlElement.setAttribute("aria-owns", id);
+ }
+ if (lang !== undefined) {
+ htmlElement.setAttribute("lang", removeNullCharacters(lang, true));
+ }
+ }
+ #addImageInTextLayer(node, element) {
+ const {
+ alt,
+ bbox,
+ children
+ } = node;
+ const child = children?.[0];
+ if (!this.#rawDims || !alt || !bbox || child?.type !== "content") {
+ return false;
+ }
+ const {
+ id
+ } = child;
+ if (!id) {
+ return false;
+ }
+ element.setAttribute("aria-owns", id);
+ const img = document.createElement("span");
+ (this.#elementsToAddToTextLayer ||= new Map()).set(id, img);
+ img.setAttribute("role", "img");
+ img.setAttribute("aria-label", removeNullCharacters(alt));
+ const {
+ pageHeight,
+ pageX,
+ pageY
+ } = this.#rawDims;
+ const calc = "calc(var(--total-scale-factor) *";
+ const {
+ style
+ } = img;
+ style.width = `${calc}${bbox[2] - bbox[0]}px)`;
+ style.height = `${calc}${bbox[3] - bbox[1]}px)`;
+ style.left = `${calc}${bbox[0] - pageX}px)`;
+ style.top = `${calc}${pageHeight - bbox[3] + pageY}px)`;
+ return true;
+ }
+ addElementsToTextLayer() {
+ if (!this.#elementsToAddToTextLayer) {
+ return;
+ }
+ for (const [id, img] of this.#elementsToAddToTextLayer) {
+ document.getElementById(id)?.append(img);
+ }
+ this.#elementsToAddToTextLayer.clear();
+ this.#elementsToAddToTextLayer = null;
+ }
+ #walk(node) {
+ if (!node) {
+ return null;
+ }
+ const element = document.createElement("span");
+ if ("role" in node) {
+ const {
+ role
+ } = node;
+ const match = role.match(HEADING_PATTERN);
+ if (match) {
+ element.setAttribute("role", "heading");
+ element.setAttribute("aria-level", match[1]);
+ } else if (PDF_ROLE_TO_HTML_ROLE[role]) {
+ element.setAttribute("role", PDF_ROLE_TO_HTML_ROLE[role]);
+ }
+ if (role === "Figure" && this.#addImageInTextLayer(node, element)) {
+ return element;
+ }
+ }
+ this.#setAttributes(node, element);
+ if (node.children) {
+ if (node.children.length === 1 && "id" in node.children[0]) {
+ this.#setAttributes(node.children[0], element);
+ } else {
+ for (const kid of node.children) {
+ element.append(this.#walk(kid));
+ }
+ }
+ }
+ return element;
+ }
+}
+
+;// ./web/text_accessibility.js
+
+class TextAccessibilityManager {
+ #enabled = false;
+ #textChildren = null;
+ #textNodes = new Map();
+ #waitingElements = new Map();
+ setTextMapping(textDivs) {
+ this.#textChildren = textDivs;
+ }
+ static #compareElementPositions(e1, e2) {
+ const rect1 = e1.getBoundingClientRect();
+ const rect2 = e2.getBoundingClientRect();
+ if (rect1.width === 0 && rect1.height === 0) {
+ return +1;
+ }
+ if (rect2.width === 0 && rect2.height === 0) {
+ return -1;
+ }
+ const top1 = rect1.y;
+ const bot1 = rect1.y + rect1.height;
+ const mid1 = rect1.y + rect1.height / 2;
+ const top2 = rect2.y;
+ const bot2 = rect2.y + rect2.height;
+ const mid2 = rect2.y + rect2.height / 2;
+ if (mid1 <= top2 && mid2 >= bot1) {
+ return -1;
+ }
+ if (mid2 <= top1 && mid1 >= bot2) {
+ return +1;
+ }
+ const centerX1 = rect1.x + rect1.width / 2;
+ const centerX2 = rect2.x + rect2.width / 2;
+ return centerX1 - centerX2;
+ }
+ enable() {
+ if (this.#enabled) {
+ throw new Error("TextAccessibilityManager is already enabled.");
+ }
+ if (!this.#textChildren) {
+ throw new Error("Text divs and strings have not been set.");
+ }
+ this.#enabled = true;
+ this.#textChildren = this.#textChildren.slice();
+ this.#textChildren.sort(TextAccessibilityManager.#compareElementPositions);
+ if (this.#textNodes.size > 0) {
+ const textChildren = this.#textChildren;
+ for (const [id, nodeIndex] of this.#textNodes) {
+ const element = document.getElementById(id);
+ if (!element) {
+ this.#textNodes.delete(id);
+ continue;
+ }
+ this.#addIdToAriaOwns(id, textChildren[nodeIndex]);
+ }
+ }
+ for (const [element, isRemovable] of this.#waitingElements) {
+ this.addPointerInTextLayer(element, isRemovable);
+ }
+ this.#waitingElements.clear();
+ }
+ disable() {
+ if (!this.#enabled) {
+ return;
+ }
+ this.#waitingElements.clear();
+ this.#textChildren = null;
+ this.#enabled = false;
+ }
+ removePointerInTextLayer(element) {
+ if (!this.#enabled) {
+ this.#waitingElements.delete(element);
+ return;
+ }
+ const children = this.#textChildren;
+ if (!children || children.length === 0) {
+ return;
+ }
+ const {
+ id
+ } = element;
+ const nodeIndex = this.#textNodes.get(id);
+ if (nodeIndex === undefined) {
+ return;
+ }
+ const node = children[nodeIndex];
+ this.#textNodes.delete(id);
+ let owns = node.getAttribute("aria-owns");
+ if (owns?.includes(id)) {
+ owns = owns.split(" ").filter(x => x !== id).join(" ");
+ if (owns) {
+ node.setAttribute("aria-owns", owns);
+ } else {
+ node.removeAttribute("aria-owns");
+ node.setAttribute("role", "presentation");
+ }
+ }
+ }
+ #addIdToAriaOwns(id, node) {
+ const owns = node.getAttribute("aria-owns");
+ if (!owns?.includes(id)) {
+ node.setAttribute("aria-owns", owns ? `${owns} ${id}` : id);
+ }
+ node.removeAttribute("role");
+ }
+ addPointerInTextLayer(element, isRemovable) {
+ const {
+ id
+ } = element;
+ if (!id) {
+ return null;
+ }
+ if (!this.#enabled) {
+ this.#waitingElements.set(element, isRemovable);
+ return null;
+ }
+ if (isRemovable) {
+ this.removePointerInTextLayer(element);
+ }
+ const children = this.#textChildren;
+ if (!children || children.length === 0) {
+ return null;
+ }
+ const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(element, node) < 0);
+ const nodeIndex = Math.max(0, index - 1);
+ const child = children[nodeIndex];
+ this.#addIdToAriaOwns(id, child);
+ this.#textNodes.set(id, nodeIndex);
+ const parent = child.parentNode;
+ return parent?.classList.contains("markedContent") ? parent.id : null;
+ }
+ moveElementInDOM(container, element, contentElement, isRemovable) {
+ const id = this.addPointerInTextLayer(contentElement, isRemovable);
+ if (!container.hasChildNodes()) {
+ container.append(element);
+ return id;
+ }
+ const children = Array.from(container.childNodes).filter(node => node !== element);
+ if (children.length === 0) {
+ return id;
+ }
+ const elementToCompare = contentElement || element;
+ const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(elementToCompare, node) < 0);
+ if (index === 0) {
+ children[0].before(element);
+ } else {
+ children[index - 1].after(element);
+ }
+ return id;
+ }
+}
+
+;// ./web/text_highlighter.js
+class TextHighlighter {
+ #eventAbortController = null;
+ constructor({
+ findController,
+ eventBus,
+ pageIndex
+ }) {
+ this.findController = findController;
+ this.matches = [];
+ this.eventBus = eventBus;
+ this.pageIdx = pageIndex;
+ this.textDivs = null;
+ this.textContentItemsStr = null;
+ this.enabled = false;
+ }
+ setTextMapping(divs, texts) {
+ this.textDivs = divs;
+ this.textContentItemsStr = texts;
+ }
+ enable() {
+ if (!this.textDivs || !this.textContentItemsStr) {
+ throw new Error("Text divs and strings have not been set.");
+ }
+ if (this.enabled) {
+ throw new Error("TextHighlighter is already enabled.");
+ }
+ this.enabled = true;
+ if (!this.#eventAbortController) {
+ this.#eventAbortController = new AbortController();
+ this.eventBus._on("updatetextlayermatches", evt => {
+ if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
+ this._updateMatches();
+ }
+ }, {
+ signal: this.#eventAbortController.signal
+ });
+ }
+ this._updateMatches();
+ }
+ disable() {
+ if (!this.enabled) {
+ return;
+ }
+ this.enabled = false;
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ this._updateMatches(true);
+ }
+ _convertMatches(matches, matchesLength) {
+ if (!matches) {
+ return [];
+ }
+ const {
+ textContentItemsStr
+ } = this;
+ let i = 0,
+ iIndex = 0;
+ const end = textContentItemsStr.length - 1;
+ const result = [];
+ for (let m = 0, mm = matches.length; m < mm; m++) {
+ let matchIdx = matches[m];
+ while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
+ iIndex += textContentItemsStr[i].length;
+ i++;
+ }
+ if (i === textContentItemsStr.length) {
+ console.error("Could not find a matching mapping");
+ }
+ const match = {
+ begin: {
+ divIdx: i,
+ offset: matchIdx - iIndex
+ }
+ };
+ matchIdx += matchesLength[m];
+ while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
+ iIndex += textContentItemsStr[i].length;
+ i++;
+ }
+ match.end = {
+ divIdx: i,
+ offset: matchIdx - iIndex
+ };
+ result.push(match);
+ }
+ return result;
+ }
+ _renderMatches(matches) {
+ if (matches.length === 0) {
+ return;
+ }
+ const {
+ findController,
+ pageIdx
+ } = this;
+ const {
+ textContentItemsStr,
+ textDivs
+ } = this;
+ const isSelectedPage = pageIdx === findController.selected.pageIdx;
+ const selectedMatchIdx = findController.selected.matchIdx;
+ const highlightAll = findController.state.highlightAll;
+ let prevEnd = null;
+ const infinity = {
+ divIdx: -1,
+ offset: undefined
+ };
+ function beginText(begin, className) {
+ const divIdx = begin.divIdx;
+ textDivs[divIdx].textContent = "";
+ return appendTextToDiv(divIdx, 0, begin.offset, className);
+ }
+ function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
+ let div = textDivs[divIdx];
+ if (div.nodeType === Node.TEXT_NODE) {
+ const span = document.createElement("span");
+ div.before(span);
+ span.append(div);
+ textDivs[divIdx] = span;
+ div = span;
+ }
+ const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
+ const node = document.createTextNode(content);
+ if (className) {
+ const span = document.createElement("span");
+ span.className = `${className} appended`;
+ span.append(node);
+ div.append(span);
+ if (className.includes("selected")) {
+ const {
+ left
+ } = span.getClientRects()[0];
+ const parentLeft = div.getBoundingClientRect().left;
+ return left - parentLeft;
+ }
+ return 0;
+ }
+ div.append(node);
+ return 0;
+ }
+ let i0 = selectedMatchIdx,
+ i1 = i0 + 1;
+ if (highlightAll) {
+ i0 = 0;
+ i1 = matches.length;
+ } else if (!isSelectedPage) {
+ return;
+ }
+ let lastDivIdx = -1;
+ let lastOffset = -1;
+ for (let i = i0; i < i1; i++) {
+ const match = matches[i];
+ const begin = match.begin;
+ if (begin.divIdx === lastDivIdx && begin.offset === lastOffset) {
+ continue;
+ }
+ lastDivIdx = begin.divIdx;
+ lastOffset = begin.offset;
+ const end = match.end;
+ const isSelected = isSelectedPage && i === selectedMatchIdx;
+ const highlightSuffix = isSelected ? " selected" : "";
+ let selectedLeft = 0;
+ if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
+ if (prevEnd !== null) {
+ appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+ }
+ beginText(begin);
+ } else {
+ appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
+ }
+ if (begin.divIdx === end.divIdx) {
+ selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix);
+ } else {
+ selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix);
+ for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
+ textDivs[n0].className = "highlight middle" + highlightSuffix;
+ }
+ beginText(end, "highlight end" + highlightSuffix);
+ }
+ prevEnd = end;
+ if (isSelected) {
+ findController.scrollMatchIntoView({
+ element: textDivs[begin.divIdx],
+ selectedLeft,
+ pageIndex: pageIdx,
+ matchIndex: selectedMatchIdx
+ });
+ }
+ }
+ if (prevEnd) {
+ appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+ }
+ }
+ _updateMatches(reset = false) {
+ if (!this.enabled && !reset) {
+ return;
+ }
+ const {
+ findController,
+ matches,
+ pageIdx
+ } = this;
+ const {
+ textContentItemsStr,
+ textDivs
+ } = this;
+ let clearedUntilDivIdx = -1;
+ for (const match of matches) {
+ const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
+ for (let n = begin, end = match.end.divIdx; n <= end; n++) {
+ const div = textDivs[n];
+ div.textContent = textContentItemsStr[n];
+ div.className = "";
+ }
+ clearedUntilDivIdx = match.end.divIdx + 1;
+ }
+ if (!findController?.highlightMatches || reset) {
+ return;
+ }
+ const pageMatches = findController.pageMatches[pageIdx] || null;
+ const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
+ this.matches = this._convertMatches(pageMatches, pageMatchesLength);
+ this._renderMatches(this.matches);
+ }
+}
+
+;// ./web/text_layer_builder.js
+
+
+class TextLayerBuilder {
+ #enablePermissions = false;
+ #onAppend = null;
+ #renderingDone = false;
+ #textLayer = null;
+ static #textLayers = new Map();
+ static #selectionChangeAbortController = null;
+ constructor({
+ pdfPage,
+ highlighter = null,
+ accessibilityManager = null,
+ enablePermissions = false,
+ onAppend = null
+ }) {
+ this.pdfPage = pdfPage;
+ this.highlighter = highlighter;
+ this.accessibilityManager = accessibilityManager;
+ this.#enablePermissions = enablePermissions === true;
+ this.#onAppend = onAppend;
+ this.div = document.createElement("div");
+ this.div.tabIndex = 0;
+ this.div.className = "textLayer";
+ }
+ async render({
+ viewport,
+ textContentParams = null
+ }) {
+ if (this.#renderingDone && this.#textLayer) {
+ this.#textLayer.update({
+ viewport,
+ onBefore: this.hide.bind(this)
+ });
+ this.show();
+ return;
+ }
+ this.cancel();
+ this.#textLayer = new TextLayer({
+ textContentSource: this.pdfPage.streamTextContent(textContentParams || {
+ includeMarkedContent: true,
+ disableNormalization: true
+ }),
+ container: this.div,
+ viewport
+ });
+ const {
+ textDivs,
+ textContentItemsStr
+ } = this.#textLayer;
+ this.highlighter?.setTextMapping(textDivs, textContentItemsStr);
+ this.accessibilityManager?.setTextMapping(textDivs);
+ await this.#textLayer.render();
+ this.#renderingDone = true;
+ const endOfContent = document.createElement("div");
+ endOfContent.className = "endOfContent";
+ this.div.append(endOfContent);
+ this.#bindMouse(endOfContent);
+ this.#onAppend?.(this.div);
+ this.highlighter?.enable();
+ this.accessibilityManager?.enable();
+ }
+ hide() {
+ if (!this.div.hidden && this.#renderingDone) {
+ this.highlighter?.disable();
+ this.div.hidden = true;
+ }
+ }
+ show() {
+ if (this.div.hidden && this.#renderingDone) {
+ this.div.hidden = false;
+ this.highlighter?.enable();
+ }
+ }
+ cancel() {
+ this.#textLayer?.cancel();
+ this.#textLayer = null;
+ this.highlighter?.disable();
+ this.accessibilityManager?.disable();
+ TextLayerBuilder.#removeGlobalSelectionListener(this.div);
+ }
+ #bindMouse(end) {
+ const {
+ div
+ } = this;
+ div.addEventListener("mousedown", () => {
+ div.classList.add("selecting");
+ });
+ div.addEventListener("copy", event => {
+ if (!this.#enablePermissions) {
+ const selection = document.getSelection();
+ event.clipboardData.setData("text/plain", removeNullCharacters(normalizeUnicode(selection.toString())));
+ }
+ stopEvent(event);
+ });
+ TextLayerBuilder.#textLayers.set(div, end);
+ TextLayerBuilder.#enableGlobalSelectionListener();
+ }
+ static #removeGlobalSelectionListener(textLayerDiv) {
+ this.#textLayers.delete(textLayerDiv);
+ if (this.#textLayers.size === 0) {
+ this.#selectionChangeAbortController?.abort();
+ this.#selectionChangeAbortController = null;
+ }
+ }
+ static #enableGlobalSelectionListener() {
+ if (this.#selectionChangeAbortController) {
+ return;
+ }
+ this.#selectionChangeAbortController = new AbortController();
+ const {
+ signal
+ } = this.#selectionChangeAbortController;
+ const reset = (end, textLayer) => {
+ textLayer.append(end);
+ end.style.width = "";
+ end.style.height = "";
+ textLayer.classList.remove("selecting");
+ };
+ let isPointerDown = false;
+ document.addEventListener("pointerdown", () => {
+ isPointerDown = true;
+ }, {
+ signal
+ });
+ document.addEventListener("pointerup", () => {
+ isPointerDown = false;
+ this.#textLayers.forEach(reset);
+ }, {
+ signal
+ });
+ window.addEventListener("blur", () => {
+ isPointerDown = false;
+ this.#textLayers.forEach(reset);
+ }, {
+ signal
+ });
+ document.addEventListener("keyup", () => {
+ if (!isPointerDown) {
+ this.#textLayers.forEach(reset);
+ }
+ }, {
+ signal
+ });
+ var isFirefox, prevRange;
+ document.addEventListener("selectionchange", () => {
+ const selection = document.getSelection();
+ if (selection.rangeCount === 0) {
+ this.#textLayers.forEach(reset);
+ return;
+ }
+ const activeTextLayers = new Set();
+ for (let i = 0; i < selection.rangeCount; i++) {
+ const range = selection.getRangeAt(i);
+ for (const textLayerDiv of this.#textLayers.keys()) {
+ if (!activeTextLayers.has(textLayerDiv) && range.intersectsNode(textLayerDiv)) {
+ activeTextLayers.add(textLayerDiv);
+ }
+ }
+ }
+ for (const [textLayerDiv, endDiv] of this.#textLayers) {
+ if (activeTextLayers.has(textLayerDiv)) {
+ textLayerDiv.classList.add("selecting");
+ } else {
+ reset(endDiv, textLayerDiv);
+ }
+ }
+ isFirefox ??= getComputedStyle(this.#textLayers.values().next().value).getPropertyValue("-moz-user-select") === "none";
+ if (isFirefox) {
+ return;
+ }
+ const range = selection.getRangeAt(0);
+ const modifyStart = prevRange && (range.compareBoundaryPoints(Range.END_TO_END, prevRange) === 0 || range.compareBoundaryPoints(Range.START_TO_END, prevRange) === 0);
+ let anchor = modifyStart ? range.startContainer : range.endContainer;
+ if (anchor.nodeType === Node.TEXT_NODE) {
+ anchor = anchor.parentNode;
+ }
+ if (!modifyStart && range.endOffset === 0) {
+ do {
+ while (!anchor.previousSibling) {
+ anchor = anchor.parentNode;
+ }
+ anchor = anchor.previousSibling;
+ } while (!anchor.childNodes.length);
+ }
+ const parentTextLayer = anchor.parentElement?.closest(".textLayer");
+ const endDiv = this.#textLayers.get(parentTextLayer);
+ if (endDiv) {
+ endDiv.style.width = parentTextLayer.style.width;
+ endDiv.style.height = parentTextLayer.style.height;
+ anchor.parentElement.insertBefore(endDiv, modifyStart ? anchor : anchor.nextSibling);
+ }
+ prevRange = range.cloneRange();
+ }, {
+ signal
+ });
+ }
+}
+
+;// ./web/pdf_page_view.js
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+const DEFAULT_LAYER_PROPERTIES = null;
+const LAYERS_ORDER = new Map([["canvasWrapper", 0], ["textLayer", 1], ["annotationLayer", 2], ["annotationEditorLayer", 3], ["xfaLayer", 3]]);
+class PDFPageView extends BasePDFPageView {
+ #annotationMode = AnnotationMode.ENABLE_FORMS;
+ #canvasWrapper = null;
+ #commentManager = null;
+ #enableAutoLinking = true;
+ #hasRestrictedScaling = false;
+ #isEditing = false;
+ #layerProperties = null;
+ #needsRestrictedScaling = false;
+ #originalViewport = null;
+ #previousRotation = null;
+ #scaleRoundX = 1;
+ #scaleRoundY = 1;
+ #textLayerMode = TextLayerMode.ENABLE;
+ #userUnit = 1;
+ #useThumbnailCanvas = {
+ directDrawing: true,
+ initialOptionalContent: true,
+ regularAnnotations: true
+ };
+ #layers = [null, null, null, null];
+ constructor(options) {
+ super(options);
+ const container = options.container;
+ const defaultViewport = options.defaultViewport;
+ this.renderingId = "page" + this.id;
+ this.#layerProperties = options.layerProperties || DEFAULT_LAYER_PROPERTIES;
+ this.pdfPage = null;
+ this.pageLabel = null;
+ this.rotation = 0;
+ this.scale = options.scale || DEFAULT_SCALE;
+ this.viewport = defaultViewport;
+ this.pdfPageRotate = defaultViewport.rotation;
+ this._optionalContentConfigPromise = options.optionalContentConfigPromise || null;
+ this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE;
+ this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS;
+ this.imageResourcesPath = options.imageResourcesPath || "";
+ this.enableDetailCanvas = options.enableDetailCanvas ?? true;
+ this.maxCanvasPixels = options.maxCanvasPixels ?? AppOptions.get("maxCanvasPixels");
+ this.maxCanvasDim = options.maxCanvasDim || AppOptions.get("maxCanvasDim");
+ this.capCanvasAreaFactor = options.capCanvasAreaFactor ?? AppOptions.get("capCanvasAreaFactor");
+ this.#enableAutoLinking = options.enableAutoLinking !== false;
+ this.#commentManager = options.commentManager || null;
+ this.l10n = options.l10n;
+ this.l10n ||= new genericl10n_GenericL10n();
+ this._isStandalone = !this.renderingQueue?.hasViewer();
+ this._container = container;
+ this._annotationCanvasMap = null;
+ this.annotationLayer = null;
+ this.annotationEditorLayer = null;
+ this.textLayer = null;
+ this.xfaLayer = null;
+ this.structTreeLayer = null;
+ this.drawLayer = null;
+ this.detailView = null;
+ const div = document.createElement("div");
+ div.className = "page";
+ div.setAttribute("data-page-number", this.id);
+ div.setAttribute("role", "region");
+ div.setAttribute("data-l10n-id", "pdfjs-page-landmark");
+ div.setAttribute("data-l10n-args", JSON.stringify({
+ page: this.id
+ }));
+ this.div = div;
+ this.#setDimensions();
+ container?.append(div);
+ if (this._isStandalone) {
+ container?.style.setProperty("--scale-factor", this.scale * PixelsPerInch.PDF_TO_CSS_UNITS);
+ if (this.pageColors?.background) {
+ container?.style.setProperty("--page-bg-color", this.pageColors.background);
+ }
+ const {
+ optionalContentConfigPromise
+ } = options;
+ if (optionalContentConfigPromise) {
+ optionalContentConfigPromise.then(optionalContentConfig => {
+ if (optionalContentConfigPromise !== this._optionalContentConfigPromise) {
+ return;
+ }
+ this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility;
+ });
+ }
+ if (!options.l10n) {
+ this.l10n.translate(this.div);
+ }
+ }
+ }
+ #addLayer(div, name) {
+ const pos = LAYERS_ORDER.get(name);
+ const oldDiv = this.#layers[pos];
+ this.#layers[pos] = div;
+ if (oldDiv) {
+ oldDiv.replaceWith(div);
+ return;
+ }
+ for (let i = pos - 1; i >= 0; i--) {
+ const layer = this.#layers[i];
+ if (layer) {
+ layer.after(div);
+ return;
+ }
+ }
+ this.div.prepend(div);
+ }
+ #setDimensions() {
+ const {
+ div,
+ viewport
+ } = this;
+ if (viewport.userUnit !== this.#userUnit) {
+ if (viewport.userUnit !== 1) {
+ div.style.setProperty("--user-unit", viewport.userUnit);
+ } else {
+ div.style.removeProperty("--user-unit");
+ }
+ this.#userUnit = viewport.userUnit;
+ }
+ if (this.pdfPage) {
+ if (this.#previousRotation === viewport.rotation) {
+ return;
+ }
+ this.#previousRotation = viewport.rotation;
+ }
+ setLayerDimensions(div, viewport, true, false);
+ }
+ setPdfPage(pdfPage) {
+ if (this._isStandalone && (this.pageColors?.foreground === "CanvasText" || this.pageColors?.background === "Canvas")) {
+ this._container?.style.setProperty("--hcm-highlight-filter", pdfPage.filterFactory.addHighlightHCMFilter("highlight", "CanvasText", "Canvas", "HighlightText", "Highlight"));
+ this._container?.style.setProperty("--hcm-highlight-selected-filter", pdfPage.filterFactory.addHighlightHCMFilter("highlight_selected", "CanvasText", "Canvas", "HighlightText", "Highlight"));
+ }
+ this.pdfPage = pdfPage;
+ this.pdfPageRotate = pdfPage.rotate;
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = pdfPage.getViewport({
+ scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS,
+ rotation: totalRotation
+ });
+ this.#setDimensions();
+ this.reset();
+ }
+ destroy() {
+ this.reset();
+ this.pdfPage?.cleanup();
+ }
+ hasEditableAnnotations() {
+ return !!this.annotationLayer?.hasEditableAnnotations();
+ }
+ get _textHighlighter() {
+ return shadow(this, "_textHighlighter", new TextHighlighter({
+ pageIndex: this.id - 1,
+ eventBus: this.eventBus,
+ findController: this.#layerProperties.findController
+ }));
+ }
+ #dispatchLayerRendered(name, error) {
+ this.eventBus.dispatch(name, {
+ source: this,
+ pageNumber: this.id,
+ error
+ });
+ }
+ async #renderAnnotationLayer() {
+ let error = null;
+ try {
+ await this.annotationLayer.render({
+ viewport: this.viewport,
+ intent: "display",
+ structTreeLayer: this.structTreeLayer
+ });
+ } catch (ex) {
+ console.error("#renderAnnotationLayer:", ex);
+ error = ex;
+ } finally {
+ this.#dispatchLayerRendered("annotationlayerrendered", error);
+ }
+ }
+ async #renderAnnotationEditorLayer() {
+ let error = null;
+ try {
+ await this.annotationEditorLayer.render({
+ viewport: this.viewport,
+ intent: "display"
+ });
+ } catch (ex) {
+ console.error("#renderAnnotationEditorLayer:", ex);
+ error = ex;
+ } finally {
+ this.#dispatchLayerRendered("annotationeditorlayerrendered", error);
+ }
+ }
+ async #renderDrawLayer() {
+ try {
+ await this.drawLayer.render({
+ intent: "display"
+ });
+ } catch (ex) {
+ console.error("#renderDrawLayer:", ex);
+ }
+ }
+ async #renderXfaLayer() {
+ let error = null;
+ try {
+ const result = await this.xfaLayer.render({
+ viewport: this.viewport,
+ intent: "display"
+ });
+ if (result?.textDivs && this._textHighlighter) {
+ this.#buildXfaTextContentItems(result.textDivs);
+ }
+ } catch (ex) {
+ console.error("#renderXfaLayer:", ex);
+ error = ex;
+ } finally {
+ if (this.xfaLayer?.div) {
+ this.l10n.pause();
+ this.#addLayer(this.xfaLayer.div, "xfaLayer");
+ this.l10n.resume();
+ }
+ this.#dispatchLayerRendered("xfalayerrendered", error);
+ }
+ }
+ async #renderTextLayer() {
+ if (!this.textLayer) {
+ return;
+ }
+ let error = null;
+ try {
+ await this.textLayer.render({
+ viewport: this.viewport
+ });
+ } catch (ex) {
+ if (ex instanceof AbortException) {
+ return;
+ }
+ console.error("#renderTextLayer:", ex);
+ error = ex;
+ }
+ this.#dispatchLayerRendered("textlayerrendered", error);
+ this.#renderStructTreeLayer();
+ }
+ async #renderStructTreeLayer() {
+ if (!this.textLayer) {
+ return;
+ }
+ const treeDom = await this.structTreeLayer?.render();
+ if (treeDom) {
+ this.l10n.pause();
+ this.structTreeLayer?.addElementsToTextLayer();
+ if (this.canvas && treeDom.parentNode !== this.canvas) {
+ this.canvas.append(treeDom);
+ }
+ this.l10n.resume();
+ }
+ this.structTreeLayer?.show();
+ }
+ async #buildXfaTextContentItems(textDivs) {
+ const text = await this.pdfPage.getTextContent();
+ const items = [];
+ for (const item of text.items) {
+ items.push(item.str);
+ }
+ this._textHighlighter.setTextMapping(textDivs, items);
+ this._textHighlighter.enable();
+ }
+ async #injectLinkAnnotations(textLayerPromise) {
+ let error = null;
+ try {
+ await textLayerPromise;
+ if (!this.annotationLayer) {
+ return;
+ }
+ await this.annotationLayer.injectLinkAnnotations(Autolinker.processLinks(this));
+ } catch (ex) {
+ console.error("#injectLinkAnnotations:", ex);
+ error = ex;
+ }
+ }
+ _resetCanvas() {
+ super._resetCanvas();
+ this.#originalViewport = null;
+ }
+ reset({
+ keepAnnotationLayer = false,
+ keepAnnotationEditorLayer = false,
+ keepXfaLayer = false,
+ keepTextLayer = false,
+ keepCanvasWrapper = false,
+ preserveDetailViewState = false
+ } = {}) {
+ const keepPdfBugGroups = this.pdfPage?._pdfBug ?? false;
+ this.cancelRendering({
+ keepAnnotationLayer,
+ keepAnnotationEditorLayer,
+ keepXfaLayer,
+ keepTextLayer
+ });
+ this.renderingState = RenderingStates.INITIAL;
+ const div = this.div;
+ const childNodes = div.childNodes,
+ annotationLayerNode = keepAnnotationLayer && this.annotationLayer?.div || null,
+ annotationEditorLayerNode = keepAnnotationEditorLayer && this.annotationEditorLayer?.div || null,
+ xfaLayerNode = keepXfaLayer && this.xfaLayer?.div || null,
+ textLayerNode = keepTextLayer && this.textLayer?.div || null,
+ canvasWrapperNode = keepCanvasWrapper && this.#canvasWrapper || null;
+ for (let i = childNodes.length - 1; i >= 0; i--) {
+ const node = childNodes[i];
+ switch (node) {
+ case annotationLayerNode:
+ case annotationEditorLayerNode:
+ case xfaLayerNode:
+ case textLayerNode:
+ case canvasWrapperNode:
+ continue;
+ }
+ if (keepPdfBugGroups && node.classList.contains("pdfBugGroupsLayer")) {
+ continue;
+ }
+ node.remove();
+ const layerIndex = this.#layers.indexOf(node);
+ if (layerIndex >= 0) {
+ this.#layers[layerIndex] = null;
+ }
+ }
+ div.removeAttribute("data-loaded");
+ if (annotationLayerNode) {
+ this.annotationLayer.hide();
+ }
+ if (annotationEditorLayerNode) {
+ this.annotationEditorLayer.hide();
+ }
+ if (xfaLayerNode) {
+ this.xfaLayer.hide();
+ }
+ if (textLayerNode) {
+ this.textLayer.hide();
+ }
+ this.structTreeLayer?.hide();
+ if (!keepCanvasWrapper && this.#canvasWrapper) {
+ this.#canvasWrapper = null;
+ this._resetCanvas();
+ }
+ if (!preserveDetailViewState) {
+ this.detailView?.reset({
+ keepCanvas: keepCanvasWrapper
+ });
+ if (!keepCanvasWrapper) {
+ this.detailView = null;
+ }
+ }
+ }
+ toggleEditingMode(isEditing) {
+ this.#isEditing = isEditing;
+ if (!this.hasEditableAnnotations()) {
+ return;
+ }
+ this.reset({
+ keepAnnotationLayer: true,
+ keepAnnotationEditorLayer: true,
+ keepXfaLayer: true,
+ keepTextLayer: true,
+ keepCanvasWrapper: true
+ });
+ }
+ updateVisibleArea(visibleArea) {
+ if (this.enableDetailCanvas) {
+ if (this.#needsRestrictedScaling && this.maxCanvasPixels > 0 && visibleArea) {
+ this.detailView ??= new PDFPageDetailView({
+ pageView: this,
+ enableOptimizedPartialRendering: this.enableOptimizedPartialRendering
+ });
+ this.detailView.update({
+ visibleArea
+ });
+ } else if (this.detailView) {
+ this.detailView.reset();
+ this.detailView = null;
+ }
+ }
+ }
+ update({
+ scale = 0,
+ rotation = null,
+ optionalContentConfigPromise = null,
+ drawingDelay = -1
+ }) {
+ this.scale = scale || this.scale;
+ if (typeof rotation === "number") {
+ this.rotation = rotation;
+ }
+ if (optionalContentConfigPromise instanceof Promise) {
+ this._optionalContentConfigPromise = optionalContentConfigPromise;
+ optionalContentConfigPromise.then(optionalContentConfig => {
+ if (optionalContentConfigPromise !== this._optionalContentConfigPromise) {
+ return;
+ }
+ this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility;
+ });
+ }
+ this.#useThumbnailCanvas.directDrawing = true;
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = this.viewport.clone({
+ scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS,
+ rotation: totalRotation
+ });
+ this.#setDimensions();
+ if (this._isStandalone) {
+ this._container?.style.setProperty("--scale-factor", this.viewport.scale);
+ }
+ this.#computeScale();
+ if (this.canvas) {
+ const onlyCssZoom = this.#hasRestrictedScaling && this.#needsRestrictedScaling;
+ const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000;
+ if (postponeDrawing || onlyCssZoom) {
+ if (postponeDrawing && !onlyCssZoom && this.renderingState !== RenderingStates.FINISHED) {
+ this.cancelRendering({
+ keepAnnotationLayer: true,
+ keepAnnotationEditorLayer: true,
+ keepXfaLayer: true,
+ keepTextLayer: true,
+ cancelExtraDelay: drawingDelay
+ });
+ this.renderingState = RenderingStates.FINISHED;
+ this.#useThumbnailCanvas.directDrawing = false;
+ }
+ this.cssTransform({
+ redrawAnnotationLayer: true,
+ redrawAnnotationEditorLayer: true,
+ redrawXfaLayer: true,
+ redrawTextLayer: !postponeDrawing,
+ hideTextLayer: postponeDrawing
+ });
+ if (!postponeDrawing) {
+ this.detailView?.update({
+ underlyingViewUpdated: true
+ });
+ this.dispatchPageRendered(true, false);
+ }
+ return;
+ }
+ }
+ this.cssTransform({});
+ this.reset({
+ keepAnnotationLayer: true,
+ keepAnnotationEditorLayer: true,
+ keepXfaLayer: true,
+ keepTextLayer: true,
+ keepCanvasWrapper: true,
+ preserveDetailViewState: true
+ });
+ this.detailView?.update({
+ underlyingViewUpdated: true
+ });
+ }
+ #computeScale() {
+ const {
+ width,
+ height
+ } = this.viewport;
+ const outputScale = this.outputScale = new OutputScale();
+ if (this.maxCanvasPixels === 0) {
+ const invScale = 1 / this.scale;
+ outputScale.sx *= invScale;
+ outputScale.sy *= invScale;
+ this.#needsRestrictedScaling = true;
+ } else {
+ this.#needsRestrictedScaling = outputScale.limitCanvas(width, height, this.maxCanvasPixels, this.maxCanvasDim, this.capCanvasAreaFactor);
+ if (this.#needsRestrictedScaling && this.enableDetailCanvas) {
+ const factor = this.enableOptimizedPartialRendering ? 4 : 2;
+ outputScale.sx /= factor;
+ outputScale.sy /= factor;
+ }
+ }
+ }
+ cancelRendering({
+ keepAnnotationLayer = false,
+ keepAnnotationEditorLayer = false,
+ keepXfaLayer = false,
+ keepTextLayer = false,
+ cancelExtraDelay = 0
+ } = {}) {
+ super.cancelRendering({
+ cancelExtraDelay
+ });
+ if (this.textLayer && (!keepTextLayer || !this.textLayer.div)) {
+ this.textLayer.cancel();
+ this.textLayer = null;
+ }
+ if (this.annotationLayer && (!keepAnnotationLayer || !this.annotationLayer.div)) {
+ this.annotationLayer.cancel();
+ this.annotationLayer = null;
+ this._annotationCanvasMap = null;
+ }
+ if (this.structTreeLayer && !this.textLayer) {
+ this.structTreeLayer = null;
+ }
+ if (this.annotationEditorLayer && (!keepAnnotationEditorLayer || !this.annotationEditorLayer.div)) {
+ if (this.drawLayer) {
+ this.drawLayer.cancel();
+ this.drawLayer = null;
+ }
+ this.annotationEditorLayer.cancel();
+ this.annotationEditorLayer = null;
+ }
+ if (this.xfaLayer && (!keepXfaLayer || !this.xfaLayer.div)) {
+ this.xfaLayer.cancel();
+ this.xfaLayer = null;
+ this._textHighlighter?.disable();
+ }
+ }
+ cssTransform({
+ redrawAnnotationLayer = false,
+ redrawAnnotationEditorLayer = false,
+ redrawXfaLayer = false,
+ redrawTextLayer = false,
+ hideTextLayer = false
+ }) {
+ const {
+ canvas
+ } = this;
+ if (!canvas) {
+ return;
+ }
+ const originalViewport = this.#originalViewport;
+ if (this.viewport !== originalViewport) {
+ const relativeRotation = (360 + this.viewport.rotation - originalViewport.rotation) % 360;
+ if (relativeRotation === 90 || relativeRotation === 270) {
+ const {
+ width,
+ height
+ } = this.viewport;
+ const scaleX = height / width;
+ const scaleY = width / height;
+ canvas.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX},${scaleY})`;
+ } else {
+ canvas.style.transform = relativeRotation === 0 ? "" : `rotate(${relativeRotation}deg)`;
+ }
+ }
+ if (redrawAnnotationLayer && this.annotationLayer) {
+ this.#renderAnnotationLayer();
+ }
+ if (redrawAnnotationEditorLayer && this.annotationEditorLayer) {
+ if (this.drawLayer) {
+ this.#renderDrawLayer();
+ }
+ this.#renderAnnotationEditorLayer();
+ }
+ if (redrawXfaLayer && this.xfaLayer) {
+ this.#renderXfaLayer();
+ }
+ if (this.textLayer) {
+ if (hideTextLayer) {
+ this.textLayer.hide();
+ this.structTreeLayer?.hide();
+ } else if (redrawTextLayer) {
+ this.#renderTextLayer();
+ }
+ }
+ }
+ get width() {
+ return this.viewport.width;
+ }
+ get height() {
+ return this.viewport.height;
+ }
+ getPagePoint(x, y) {
+ return this.viewport.convertToPdfPoint(x, y);
+ }
+ _ensureCanvasWrapper() {
+ let canvasWrapper = this.#canvasWrapper;
+ if (!canvasWrapper) {
+ canvasWrapper = this.#canvasWrapper = document.createElement("div");
+ canvasWrapper.classList.add("canvasWrapper");
+ this.#addLayer(canvasWrapper, "canvasWrapper");
+ }
+ return canvasWrapper;
+ }
+ _getRenderingContext(canvas, transform, recordOperations) {
+ return {
+ canvas,
+ transform,
+ viewport: this.viewport,
+ annotationMode: this.#annotationMode,
+ optionalContentConfigPromise: this._optionalContentConfigPromise,
+ annotationCanvasMap: this._annotationCanvasMap,
+ pageColors: this.pageColors,
+ isEditing: this.#isEditing,
+ recordOperations
+ };
+ }
+ async draw() {
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ console.error("Must be in new state before drawing");
+ this.reset();
+ }
+ const {
+ div,
+ l10n,
+ pdfPage,
+ viewport
+ } = this;
+ if (!pdfPage) {
+ this.renderingState = RenderingStates.FINISHED;
+ throw new Error("pdfPage is not loaded");
+ }
+ this.renderingState = RenderingStates.RUNNING;
+ const canvasWrapper = this._ensureCanvasWrapper();
+ if (!this.textLayer && this.#textLayerMode !== TextLayerMode.DISABLE && !pdfPage.isPureXfa) {
+ this._accessibilityManager ||= new TextAccessibilityManager();
+ this.textLayer = new TextLayerBuilder({
+ pdfPage,
+ highlighter: this._textHighlighter,
+ accessibilityManager: this._accessibilityManager,
+ enablePermissions: this.#textLayerMode === TextLayerMode.ENABLE_PERMISSIONS,
+ onAppend: textLayerDiv => {
+ this.l10n.pause();
+ this.#addLayer(textLayerDiv, "textLayer");
+ this.l10n.resume();
+ }
+ });
+ }
+ if (!this.annotationLayer && this.#annotationMode !== AnnotationMode.DISABLE) {
+ const {
+ annotationStorage,
+ annotationEditorUIManager,
+ downloadManager,
+ enableComment,
+ enableScripting,
+ fieldObjectsPromise,
+ hasJSActionsPromise,
+ linkService
+ } = this.#layerProperties;
+ this._annotationCanvasMap ||= new Map();
+ this.annotationLayer = new AnnotationLayerBuilder({
+ pdfPage,
+ annotationStorage,
+ imageResourcesPath: this.imageResourcesPath,
+ renderForms: this.#annotationMode === AnnotationMode.ENABLE_FORMS,
+ linkService,
+ downloadManager,
+ enableComment,
+ enableScripting,
+ hasJSActionsPromise,
+ fieldObjectsPromise,
+ annotationCanvasMap: this._annotationCanvasMap,
+ accessibilityManager: this._accessibilityManager,
+ annotationEditorUIManager,
+ commentManager: this.#commentManager,
+ onAppend: annotationLayerDiv => {
+ this.#addLayer(annotationLayerDiv, "annotationLayer");
+ }
+ });
+ }
+ const {
+ width,
+ height
+ } = viewport;
+ this.#originalViewport = viewport;
+ const {
+ canvas,
+ prevCanvas
+ } = this._createCanvas(newCanvas => {
+ canvasWrapper.prepend(newCanvas);
+ });
+ canvas.setAttribute("role", "presentation");
+ if (!this.outputScale) {
+ this.#computeScale();
+ }
+ const {
+ outputScale
+ } = this;
+ this.#hasRestrictedScaling = this.#needsRestrictedScaling;
+ const sfx = approximateFraction(outputScale.sx);
+ const sfy = approximateFraction(outputScale.sy);
+ const canvasWidth = canvas.width = floorToDivide(calcRound(width * outputScale.sx), sfx[0]);
+ const canvasHeight = canvas.height = floorToDivide(calcRound(height * outputScale.sy), sfy[0]);
+ const pageWidth = floorToDivide(calcRound(width), sfx[1]);
+ const pageHeight = floorToDivide(calcRound(height), sfy[1]);
+ outputScale.sx = canvasWidth / pageWidth;
+ outputScale.sy = canvasHeight / pageHeight;
+ if (this.#scaleRoundX !== sfx[1]) {
+ div.style.setProperty("--scale-round-x", `${sfx[1]}px`);
+ this.#scaleRoundX = sfx[1];
+ }
+ if (this.#scaleRoundY !== sfy[1]) {
+ div.style.setProperty("--scale-round-y", `${sfy[1]}px`);
+ this.#scaleRoundY = sfy[1];
+ }
+ const recordBBoxes = this.enableOptimizedPartialRendering && this.#hasRestrictedScaling && !this.recordedBBoxes;
+ const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
+ const resultPromise = this._drawCanvas(this._getRenderingContext(canvas, transform, recordBBoxes), () => {
+ prevCanvas?.remove();
+ this._resetCanvas();
+ }, renderTask => {
+ this.#useThumbnailCanvas.regularAnnotations = !renderTask.separateAnnots;
+ this.dispatchPageRendered(false, false);
+ }).then(async () => {
+ if (this.renderingState !== RenderingStates.FINISHED) {
+ return;
+ }
+ this.structTreeLayer ||= new StructTreeLayerBuilder(pdfPage, viewport.rawDims);
+ const textLayerPromise = this.#renderTextLayer();
+ if (this.annotationLayer) {
+ await this.#renderAnnotationLayer();
+ if (this.#enableAutoLinking && this.annotationLayer && this.textLayer) {
+ await this.#injectLinkAnnotations(textLayerPromise);
+ }
+ }
+ const {
+ annotationEditorUIManager
+ } = this.#layerProperties;
+ if (!annotationEditorUIManager) {
+ return;
+ }
+ this.drawLayer ||= new DrawLayerBuilder({
+ pageIndex: this.id
+ });
+ await this.#renderDrawLayer();
+ this.drawLayer.setParent(canvasWrapper);
+ if (this.annotationLayer || this.#annotationMode === AnnotationMode.DISABLE) {
+ this.annotationEditorLayer ||= new AnnotationEditorLayerBuilder({
+ uiManager: annotationEditorUIManager,
+ pdfPage,
+ l10n,
+ structTreeLayer: this.structTreeLayer,
+ accessibilityManager: this._accessibilityManager,
+ annotationLayer: this.annotationLayer?.annotationLayer,
+ textLayer: this.textLayer,
+ drawLayer: this.drawLayer.getDrawLayer(),
+ onAppend: annotationEditorLayerDiv => {
+ this.#addLayer(annotationEditorLayerDiv, "annotationEditorLayer");
+ }
+ });
+ this.#renderAnnotationEditorLayer();
+ }
+ });
+ if (pdfPage.isPureXfa) {
+ if (!this.xfaLayer) {
+ const {
+ annotationStorage,
+ linkService
+ } = this.#layerProperties;
+ this.xfaLayer = new XfaLayerBuilder({
+ pdfPage,
+ annotationStorage,
+ linkService
+ });
+ }
+ this.#renderXfaLayer();
+ }
+ div.setAttribute("data-loaded", true);
+ this.dispatchPageRender();
+ return resultPromise;
+ }
+ setPageLabel(label) {
+ this.pageLabel = typeof label === "string" ? label : null;
+ this.div.setAttribute("data-l10n-args", JSON.stringify({
+ page: this.pageLabel ?? this.id
+ }));
+ if (this.pageLabel !== null) {
+ this.div.setAttribute("data-page-label", this.pageLabel);
+ } else {
+ this.div.removeAttribute("data-page-label");
+ }
+ }
+ get thumbnailCanvas() {
+ const {
+ directDrawing,
+ initialOptionalContent,
+ regularAnnotations
+ } = this.#useThumbnailCanvas;
+ return directDrawing && initialOptionalContent && regularAnnotations ? this.canvas : null;
+ }
+}
+
+;// ./web/pdf_viewer.js
+
+
+
+
+
+
+const DEFAULT_CACHE_SIZE = 10;
+const PagesCountLimit = {
+ FORCE_SCROLL_MODE_PAGE: 10000,
+ FORCE_LAZY_PAGE_INIT: 5000,
+ PAUSE_EAGER_PAGE_INIT: 250
+};
+function isValidAnnotationEditorMode(mode) {
+ return Object.values(AnnotationEditorType).includes(mode) && mode !== AnnotationEditorType.DISABLE;
+}
+class PDFPageViewBuffer {
+ #buf = new Set();
+ #size = 0;
+ constructor(size) {
+ this.#size = size;
+ }
+ push(view) {
+ const buf = this.#buf;
+ if (buf.has(view)) {
+ buf.delete(view);
+ }
+ buf.add(view);
+ if (buf.size > this.#size) {
+ this.#destroyFirstView();
+ }
+ }
+ resize(newSize, idsToKeep = null) {
+ this.#size = newSize;
+ const buf = this.#buf;
+ if (idsToKeep) {
+ const ii = buf.size;
+ let i = 1;
+ for (const view of buf) {
+ if (idsToKeep.has(view.id)) {
+ buf.delete(view);
+ buf.add(view);
+ }
+ if (++i > ii) {
+ break;
+ }
+ }
+ }
+ while (buf.size > this.#size) {
+ this.#destroyFirstView();
+ }
+ }
+ has(view) {
+ return this.#buf.has(view);
+ }
+ [Symbol.iterator]() {
+ return this.#buf.keys();
+ }
+ #destroyFirstView() {
+ const firstView = this.#buf.keys().next().value;
+ firstView?.destroy();
+ this.#buf.delete(firstView);
+ }
+}
+class PDFViewer {
+ #buffer = null;
+ #altTextManager = null;
+ #annotationEditorHighlightColors = null;
+ #annotationEditorMode = AnnotationEditorType.NONE;
+ #annotationEditorUIManager = null;
+ #annotationMode = AnnotationMode.ENABLE_FORMS;
+ #commentManager = null;
+ #containerTopLeft = null;
+ #editorUndoBar = null;
+ #enableHWA = false;
+ #enableHighlightFloatingButton = false;
+ #enablePermissions = false;
+ #enableUpdatedAddImage = false;
+ #enableNewAltTextWhenAddingImage = false;
+ #enableAutoLinking = true;
+ #eventAbortController = null;
+ #minDurationToUpdateCanvas = 0;
+ #mlManager = null;
+ #printingAllowed = true;
+ #scrollTimeoutId = null;
+ #switchAnnotationEditorModeAC = null;
+ #switchAnnotationEditorModeTimeoutId = null;
+ #getAllTextInProgress = false;
+ #hiddenCopyElement = null;
+ #interruptCopyCondition = false;
+ #previousContainerHeight = 0;
+ #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this));
+ #scrollModePageState = null;
+ #scaleTimeoutId = null;
+ #signatureManager = null;
+ #supportsPinchToZoom = true;
+ #textLayerMode = TextLayerMode.ENABLE;
+ #viewerAlert = null;
+ constructor(options) {
+ const viewerVersion = "5.4.296";
+ if (version !== viewerVersion) {
+ throw new Error(`The API version "${version}" does not match the Viewer version "${viewerVersion}".`);
+ }
+ this.container = options.container;
+ this.viewer = options.viewer || options.container.firstElementChild;
+ this.#viewerAlert = options.viewerAlert || null;
+ if (this.container?.tagName !== "DIV" || this.viewer?.tagName !== "DIV") {
+ throw new Error("Invalid `container` and/or `viewer` option.");
+ }
+ if (this.container.offsetParent && getComputedStyle(this.container).position !== "absolute") {
+ throw new Error("The `container` must be absolutely positioned.");
+ }
+ this.#resizeObserver.observe(this.container);
+ this.eventBus = options.eventBus;
+ this.linkService = options.linkService || new SimpleLinkService();
+ this.downloadManager = options.downloadManager || null;
+ this.findController = options.findController || null;
+ this.#altTextManager = options.altTextManager || null;
+ this.#commentManager = options.commentManager || null;
+ this.#signatureManager = options.signatureManager || null;
+ this.#editorUndoBar = options.editorUndoBar || null;
+ if (this.findController) {
+ this.findController.onIsPageVisible = pageNumber => this._getVisiblePages().ids.has(pageNumber);
+ }
+ this._scriptingManager = options.scriptingManager || null;
+ this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE;
+ this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS;
+ this.#annotationEditorMode = options.annotationEditorMode ?? AnnotationEditorType.NONE;
+ this.#annotationEditorHighlightColors = options.annotationEditorHighlightColors || null;
+ this.#enableHighlightFloatingButton = options.enableHighlightFloatingButton === true;
+ this.#enableUpdatedAddImage = options.enableUpdatedAddImage === true;
+ this.#enableNewAltTextWhenAddingImage = options.enableNewAltTextWhenAddingImage === true;
+ this.imageResourcesPath = options.imageResourcesPath || "";
+ this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
+ this.removePageBorders = options.removePageBorders || false;
+ this.maxCanvasPixels = options.maxCanvasPixels;
+ this.maxCanvasDim = options.maxCanvasDim;
+ this.capCanvasAreaFactor = options.capCanvasAreaFactor;
+ this.enableDetailCanvas = options.enableDetailCanvas ?? true;
+ this.enableOptimizedPartialRendering = options.enableOptimizedPartialRendering ?? false;
+ this.l10n = options.l10n;
+ this.l10n ||= new genericl10n_GenericL10n();
+ this.#enablePermissions = options.enablePermissions || false;
+ this.pageColors = options.pageColors || null;
+ this.#mlManager = options.mlManager || null;
+ this.#enableHWA = options.enableHWA || false;
+ this.#supportsPinchToZoom = options.supportsPinchToZoom !== false;
+ this.#enableAutoLinking = options.enableAutoLinking !== false;
+ this.#minDurationToUpdateCanvas = options.minDurationToUpdateCanvas ?? 500;
+ this.defaultRenderingQueue = !options.renderingQueue;
+ if (this.defaultRenderingQueue) {
+ this.renderingQueue = new PDFRenderingQueue();
+ this.renderingQueue.setViewer(this);
+ } else {
+ this.renderingQueue = options.renderingQueue;
+ }
+ const {
+ abortSignal
+ } = options;
+ abortSignal?.addEventListener("abort", () => {
+ this.#resizeObserver.disconnect();
+ this.#resizeObserver = null;
+ }, {
+ once: true
+ });
+ this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this), abortSignal);
+ this.presentationModeState = PresentationModeState.UNKNOWN;
+ this._resetView();
+ if (this.removePageBorders) {
+ this.viewer.classList.add("removePageBorders");
+ }
+ this.#updateContainerHeightCss();
+ this.eventBus._on("thumbnailrendered", ({
+ pageNumber,
+ pdfPage
+ }) => {
+ const pageView = this._pages[pageNumber - 1];
+ if (!this.#buffer.has(pageView)) {
+ pdfPage?.cleanup();
+ }
+ });
+ if (!options.l10n) {
+ this.l10n.translate(this.container);
+ }
+ }
+ get printingAllowed() {
+ return this.#printingAllowed;
+ }
+ get pagesCount() {
+ return this._pages.length;
+ }
+ getPageView(index) {
+ return this._pages[index];
+ }
+ getCachedPageViews() {
+ return new Set(this.#buffer);
+ }
+ get pageViewsReady() {
+ return this._pages.every(pageView => pageView?.pdfPage);
+ }
+ get renderForms() {
+ return this.#annotationMode === AnnotationMode.ENABLE_FORMS;
+ }
+ get enableScripting() {
+ return !!this._scriptingManager;
+ }
+ get currentPageNumber() {
+ return this._currentPageNumber;
+ }
+ set currentPageNumber(val) {
+ if (!Number.isInteger(val)) {
+ throw new Error("Invalid page number.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!this._setCurrentPageNumber(val, true)) {
+ console.error(`currentPageNumber: "${val}" is not a valid page.`);
+ }
+ }
+ _setCurrentPageNumber(val, resetCurrentPageView = false) {
+ if (this._currentPageNumber === val) {
+ if (resetCurrentPageView) {
+ this.#resetCurrentPageView();
+ }
+ return true;
+ }
+ if (!(0 < val && val <= this.pagesCount)) {
+ return false;
+ }
+ const previous = this._currentPageNumber;
+ this._currentPageNumber = val;
+ this.eventBus.dispatch("pagechanging", {
+ source: this,
+ pageNumber: val,
+ pageLabel: this._pageLabels?.[val - 1] ?? null,
+ previous
+ });
+ if (resetCurrentPageView) {
+ this.#resetCurrentPageView();
+ }
+ return true;
+ }
+ get currentPageLabel() {
+ return this._pageLabels?.[this._currentPageNumber - 1] ?? null;
+ }
+ set currentPageLabel(val) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ let page = val | 0;
+ if (this._pageLabels) {
+ const i = this._pageLabels.indexOf(val);
+ if (i >= 0) {
+ page = i + 1;
+ }
+ }
+ if (!this._setCurrentPageNumber(page, true)) {
+ console.error(`currentPageLabel: "${val}" is not a valid page.`);
+ }
+ }
+ get currentScale() {
+ return this._currentScale !== UNKNOWN_SCALE ? this._currentScale : DEFAULT_SCALE;
+ }
+ set currentScale(val) {
+ if (isNaN(val)) {
+ throw new Error("Invalid numeric scale.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.#setScale(val, {
+ noScroll: false
+ });
+ }
+ get currentScaleValue() {
+ return this._currentScaleValue;
+ }
+ set currentScaleValue(val) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.#setScale(val, {
+ noScroll: false
+ });
+ }
+ get pagesRotation() {
+ return this._pagesRotation;
+ }
+ set pagesRotation(rotation) {
+ if (!isValidRotation(rotation)) {
+ throw new Error("Invalid pages rotation angle.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ rotation %= 360;
+ if (rotation < 0) {
+ rotation += 360;
+ }
+ if (this._pagesRotation === rotation) {
+ return;
+ }
+ this._pagesRotation = rotation;
+ const pageNumber = this._currentPageNumber;
+ this.refresh(true, {
+ rotation
+ });
+ if (this._currentScaleValue) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this.eventBus.dispatch("rotationchanging", {
+ source: this,
+ pagesRotation: rotation,
+ pageNumber
+ });
+ if (this.defaultRenderingQueue) {
+ this.update();
+ }
+ }
+ get firstPagePromise() {
+ return this.pdfDocument ? this._firstPageCapability.promise : null;
+ }
+ get onePageRendered() {
+ return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
+ }
+ get pagesPromise() {
+ return this.pdfDocument ? this._pagesCapability.promise : null;
+ }
+ get _layerProperties() {
+ const self = this;
+ return shadow(this, "_layerProperties", {
+ get annotationEditorUIManager() {
+ return self.#annotationEditorUIManager;
+ },
+ get annotationStorage() {
+ return self.pdfDocument?.annotationStorage;
+ },
+ get downloadManager() {
+ return self.downloadManager;
+ },
+ get enableComment() {
+ return !!self.#commentManager;
+ },
+ get enableScripting() {
+ return !!self._scriptingManager;
+ },
+ get fieldObjectsPromise() {
+ return self.pdfDocument?.getFieldObjects();
+ },
+ get findController() {
+ return self.findController;
+ },
+ get hasJSActionsPromise() {
+ return self.pdfDocument?.hasJSActions();
+ },
+ get linkService() {
+ return self.linkService;
+ }
+ });
+ }
+ #initializePermissions(permissions) {
+ const params = {
+ annotationEditorMode: this.#annotationEditorMode,
+ annotationMode: this.#annotationMode,
+ textLayerMode: this.#textLayerMode
+ };
+ if (!permissions) {
+ this.#printingAllowed = true;
+ this.eventBus.dispatch("printingallowed", {
+ source: this,
+ isAllowed: this.#printingAllowed
+ });
+ return params;
+ }
+ this.#printingAllowed = permissions.includes(PermissionFlag.PRINT_HIGH_QUALITY) || permissions.includes(PermissionFlag.PRINT);
+ this.eventBus.dispatch("printingallowed", {
+ source: this,
+ isAllowed: this.#printingAllowed
+ });
+ if (!permissions.includes(PermissionFlag.COPY) && this.#textLayerMode === TextLayerMode.ENABLE) {
+ params.textLayerMode = TextLayerMode.ENABLE_PERMISSIONS;
+ }
+ if (!permissions.includes(PermissionFlag.MODIFY_CONTENTS)) {
+ params.annotationEditorMode = AnnotationEditorType.DISABLE;
+ }
+ if (!permissions.includes(PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(PermissionFlag.FILL_INTERACTIVE_FORMS) && this.#annotationMode === AnnotationMode.ENABLE_FORMS) {
+ params.annotationMode = AnnotationMode.ENABLE;
+ }
+ return params;
+ }
+ async #onePageRenderedOrForceFetch(signal) {
+ if (document.visibilityState === "hidden" || !this.container.offsetParent || this._getVisiblePages().views.length === 0) {
+ return;
+ }
+ const hiddenCapability = Promise.withResolvers(),
+ ac = new AbortController();
+ document.addEventListener("visibilitychange", () => {
+ if (document.visibilityState === "hidden") {
+ hiddenCapability.resolve();
+ }
+ }, {
+ signal: AbortSignal.any([signal, ac.signal])
+ });
+ await Promise.race([this._onePageRenderedCapability.promise, hiddenCapability.promise]);
+ ac.abort();
+ }
+ async getAllText() {
+ const texts = [];
+ const buffer = [];
+ for (let pageNum = 1, pagesCount = this.pdfDocument.numPages; pageNum <= pagesCount; ++pageNum) {
+ if (this.#interruptCopyCondition) {
+ return null;
+ }
+ buffer.length = 0;
+ const page = await this.pdfDocument.getPage(pageNum);
+ const {
+ items
+ } = await page.getTextContent();
+ for (const item of items) {
+ if (item.str) {
+ buffer.push(item.str);
+ }
+ if (item.hasEOL) {
+ buffer.push("\n");
+ }
+ }
+ texts.push(removeNullCharacters(buffer.join("")));
+ }
+ return texts.join("\n");
+ }
+ #copyCallback(textLayerMode, event) {
+ const selection = document.getSelection();
+ const {
+ focusNode,
+ anchorNode
+ } = selection;
+ if (anchorNode && focusNode && selection.containsNode(this.#hiddenCopyElement)) {
+ if (this.#getAllTextInProgress || textLayerMode === TextLayerMode.ENABLE_PERMISSIONS) {
+ stopEvent(event);
+ return;
+ }
+ this.#getAllTextInProgress = true;
+ const {
+ classList
+ } = this.viewer;
+ classList.add("copyAll");
+ const ac = new AbortController();
+ window.addEventListener("keydown", ev => this.#interruptCopyCondition = ev.key === "Escape", {
+ signal: ac.signal
+ });
+ this.getAllText().then(async text => {
+ if (text !== null) {
+ await navigator.clipboard.writeText(text);
+ }
+ }).catch(reason => {
+ console.warn(`Something goes wrong when extracting the text: ${reason.message}`);
+ }).finally(() => {
+ this.#getAllTextInProgress = false;
+ this.#interruptCopyCondition = false;
+ ac.abort();
+ classList.remove("copyAll");
+ });
+ stopEvent(event);
+ }
+ }
+ setDocument(pdfDocument) {
+ if (this.pdfDocument) {
+ this.eventBus.dispatch("pagesdestroy", {
+ source: this
+ });
+ this._cancelRendering();
+ this._resetView();
+ this.findController?.setDocument(null);
+ this._scriptingManager?.setDocument(null);
+ this.#annotationEditorUIManager?.destroy();
+ this.#annotationEditorUIManager = null;
+ this.#annotationEditorMode = AnnotationEditorType.NONE;
+ this.#printingAllowed = true;
+ }
+ this.pdfDocument = pdfDocument;
+ if (!pdfDocument) {
+ return;
+ }
+ const pagesCount = pdfDocument.numPages;
+ const firstPagePromise = pdfDocument.getPage(1);
+ const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ });
+ const permissionsPromise = this.#enablePermissions ? pdfDocument.getPermissions() : Promise.resolve();
+ const {
+ eventBus,
+ pageColors,
+ viewer
+ } = this;
+ this.#eventAbortController = new AbortController();
+ const {
+ signal
+ } = this.#eventAbortController;
+ if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
+ console.warn("Forcing PAGE-scrolling for performance reasons, given the length of the document.");
+ const mode = this._scrollMode = ScrollMode.PAGE;
+ eventBus.dispatch("scrollmodechanged", {
+ source: this,
+ mode
+ });
+ }
+ this._pagesCapability.promise.then(() => {
+ eventBus.dispatch("pagesloaded", {
+ source: this,
+ pagesCount
+ });
+ }, () => {});
+ const onBeforeDraw = evt => {
+ const pageView = this._pages[evt.pageNumber - 1];
+ if (!pageView) {
+ return;
+ }
+ this.#buffer.push(pageView);
+ };
+ eventBus._on("pagerender", onBeforeDraw, {
+ signal
+ });
+ const onAfterDraw = evt => {
+ if (evt.cssTransform || evt.isDetailView) {
+ return;
+ }
+ this._onePageRenderedCapability.resolve({
+ timestamp: evt.timestamp
+ });
+ eventBus._off("pagerendered", onAfterDraw);
+ };
+ eventBus._on("pagerendered", onAfterDraw, {
+ signal
+ });
+ Promise.all([firstPagePromise, permissionsPromise]).then(([firstPdfPage, permissions]) => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this._firstPageCapability.resolve(firstPdfPage);
+ this._optionalContentConfigPromise = optionalContentConfigPromise;
+ const {
+ annotationEditorMode,
+ annotationMode,
+ textLayerMode
+ } = this.#initializePermissions(permissions);
+ if (textLayerMode !== TextLayerMode.DISABLE) {
+ const element = this.#hiddenCopyElement = document.createElement("div");
+ element.id = "hiddenCopyElement";
+ viewer.before(element);
+ }
+ if (annotationEditorMode !== AnnotationEditorType.DISABLE) {
+ const mode = annotationEditorMode;
+ if (pdfDocument.isPureXfa) {
+ console.warn("Warning: XFA-editing is not implemented.");
+ } else if (isValidAnnotationEditorMode(mode)) {
+ this.#annotationEditorUIManager = new AnnotationEditorUIManager(this.container, viewer, this.#viewerAlert, this.#altTextManager, this.#commentManager, this.#signatureManager, eventBus, pdfDocument, pageColors, this.#annotationEditorHighlightColors, this.#enableHighlightFloatingButton, this.#enableUpdatedAddImage, this.#enableNewAltTextWhenAddingImage, this.#mlManager, this.#editorUndoBar, this.#supportsPinchToZoom);
+ eventBus.dispatch("annotationeditoruimanager", {
+ source: this,
+ uiManager: this.#annotationEditorUIManager
+ });
+ if (mode !== AnnotationEditorType.NONE) {
+ this.#preloadEditingData(mode);
+ this.#annotationEditorUIManager.updateMode(mode);
+ }
+ } else {
+ console.error(`Invalid AnnotationEditor mode: ${mode}`);
+ }
+ }
+ const viewerElement = this._scrollMode === ScrollMode.PAGE ? null : viewer;
+ const scale = this.currentScale;
+ const viewport = firstPdfPage.getViewport({
+ scale: scale * PixelsPerInch.PDF_TO_CSS_UNITS
+ });
+ viewer.style.setProperty("--scale-factor", viewport.scale);
+ if (pageColors?.background) {
+ viewer.style.setProperty("--page-bg-color", pageColors.background);
+ }
+ if (pageColors?.foreground === "CanvasText" || pageColors?.background === "Canvas") {
+ viewer.style.setProperty("--hcm-highlight-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight", "CanvasText", "Canvas", "HighlightText", "Highlight"));
+ viewer.style.setProperty("--hcm-highlight-selected-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight_selected", "CanvasText", "Canvas", "HighlightText", "ButtonText"));
+ }
+ for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
+ const pageView = new PDFPageView({
+ container: viewerElement,
+ eventBus,
+ id: pageNum,
+ scale,
+ defaultViewport: viewport.clone(),
+ optionalContentConfigPromise,
+ renderingQueue: this.renderingQueue,
+ textLayerMode,
+ annotationMode,
+ imageResourcesPath: this.imageResourcesPath,
+ maxCanvasPixels: this.maxCanvasPixels,
+ maxCanvasDim: this.maxCanvasDim,
+ capCanvasAreaFactor: this.capCanvasAreaFactor,
+ enableDetailCanvas: this.enableDetailCanvas,
+ enableOptimizedPartialRendering: this.enableOptimizedPartialRendering,
+ pageColors,
+ l10n: this.l10n,
+ layerProperties: this._layerProperties,
+ enableHWA: this.#enableHWA,
+ enableAutoLinking: this.#enableAutoLinking,
+ minDurationToUpdateCanvas: this.#minDurationToUpdateCanvas,
+ commentManager: this.#commentManager
+ });
+ this._pages.push(pageView);
+ }
+ this._pages[0]?.setPdfPage(firstPdfPage);
+ if (this._scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ } else if (this._spreadMode !== SpreadMode.NONE) {
+ this._updateSpreadMode();
+ }
+ eventBus._on("annotationeditorlayerrendered", evt => {
+ if (this.#annotationEditorUIManager) {
+ eventBus.dispatch("annotationeditormodechanged", {
+ source: this,
+ mode: this.#annotationEditorMode
+ });
+ }
+ }, {
+ once: true,
+ signal
+ });
+ this.#onePageRenderedOrForceFetch(signal).then(async () => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.findController?.setDocument(pdfDocument);
+ this._scriptingManager?.setDocument(pdfDocument);
+ if (this.#hiddenCopyElement) {
+ document.addEventListener("copy", this.#copyCallback.bind(this, textLayerMode), {
+ signal
+ });
+ }
+ if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT) {
+ this._pagesCapability.resolve();
+ return;
+ }
+ let getPagesLeft = pagesCount - 1;
+ if (getPagesLeft <= 0) {
+ this._pagesCapability.resolve();
+ return;
+ }
+ for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
+ const promise = pdfDocument.getPage(pageNum).then(pdfPage => {
+ const pageView = this._pages[pageNum - 1];
+ if (!pageView.pdfPage) {
+ pageView.setPdfPage(pdfPage);
+ }
+ if (--getPagesLeft === 0) {
+ this._pagesCapability.resolve();
+ }
+ }, reason => {
+ console.error(`Unable to get page ${pageNum} to initialize viewer`, reason);
+ if (--getPagesLeft === 0) {
+ this._pagesCapability.resolve();
+ }
+ });
+ if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) {
+ await promise;
+ }
+ }
+ });
+ eventBus.dispatch("pagesinit", {
+ source: this
+ });
+ pdfDocument.getMetadata().then(({
+ info
+ }) => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ if (info.Language) {
+ viewer.lang = info.Language;
+ }
+ });
+ if (this.defaultRenderingQueue) {
+ this.update();
+ }
+ }).catch(reason => {
+ console.error("Unable to initialize viewer", reason);
+ this._pagesCapability.reject(reason);
+ });
+ }
+ setPageLabels(labels) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!labels) {
+ this._pageLabels = null;
+ } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
+ this._pageLabels = null;
+ console.error(`setPageLabels: Invalid page labels.`);
+ } else {
+ this._pageLabels = labels;
+ }
+ for (let i = 0, ii = this._pages.length; i < ii; i++) {
+ this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null);
+ }
+ }
+ _resetView() {
+ this._pages = [];
+ this._currentPageNumber = 1;
+ this._currentScale = UNKNOWN_SCALE;
+ this._currentScaleValue = null;
+ this._pageLabels = null;
+ this.#buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
+ this._location = null;
+ this._pagesRotation = 0;
+ this._optionalContentConfigPromise = null;
+ this._firstPageCapability = Promise.withResolvers();
+ this._onePageRenderedCapability = Promise.withResolvers();
+ this._pagesCapability = Promise.withResolvers();
+ this._scrollMode = ScrollMode.VERTICAL;
+ this._previousScrollMode = ScrollMode.UNKNOWN;
+ this._spreadMode = SpreadMode.NONE;
+ this.#scrollModePageState = {
+ previousPageNumber: 1,
+ scrollDown: true,
+ pages: []
+ };
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ this.viewer.textContent = "";
+ this._updateScrollMode();
+ this.viewer.removeAttribute("lang");
+ this.#hiddenCopyElement?.remove();
+ this.#hiddenCopyElement = null;
+ this.#cleanupTimeouts();
+ this.#cleanupSwitchAnnotationEditorMode();
+ }
+ #ensurePageViewVisible() {
+ if (this._scrollMode !== ScrollMode.PAGE) {
+ throw new Error("#ensurePageViewVisible: Invalid scrollMode value.");
+ }
+ const pageNumber = this._currentPageNumber,
+ state = this.#scrollModePageState,
+ viewer = this.viewer;
+ viewer.textContent = "";
+ state.pages.length = 0;
+ if (this._spreadMode === SpreadMode.NONE && !this.isInPresentationMode) {
+ const pageView = this._pages[pageNumber - 1];
+ viewer.append(pageView.div);
+ state.pages.push(pageView);
+ } else {
+ const pageIndexSet = new Set(),
+ parity = this._spreadMode - 1;
+ if (parity === -1) {
+ pageIndexSet.add(pageNumber - 1);
+ } else if (pageNumber % 2 !== parity) {
+ pageIndexSet.add(pageNumber - 1);
+ pageIndexSet.add(pageNumber);
+ } else {
+ pageIndexSet.add(pageNumber - 2);
+ pageIndexSet.add(pageNumber - 1);
+ }
+ const spread = document.createElement("div");
+ spread.className = "spread";
+ if (this.isInPresentationMode) {
+ const dummyPage = document.createElement("div");
+ dummyPage.className = "dummyPage";
+ spread.append(dummyPage);
+ }
+ for (const i of pageIndexSet) {
+ const pageView = this._pages[i];
+ if (!pageView) {
+ continue;
+ }
+ spread.append(pageView.div);
+ state.pages.push(pageView);
+ }
+ viewer.append(spread);
+ }
+ state.scrollDown = pageNumber >= state.previousPageNumber;
+ state.previousPageNumber = pageNumber;
+ }
+ _scrollUpdate() {
+ if (this.pagesCount === 0) {
+ return;
+ }
+ if (this.#scrollTimeoutId) {
+ clearTimeout(this.#scrollTimeoutId);
+ }
+ this.#scrollTimeoutId = setTimeout(() => {
+ this.#scrollTimeoutId = null;
+ this.update();
+ }, 100);
+ this.update();
+ }
+ #scrollIntoView(pageView, pageSpot = null) {
+ const {
+ div,
+ id
+ } = pageView;
+ if (this._currentPageNumber !== id) {
+ this._setCurrentPageNumber(id);
+ }
+ if (this._scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ this.update();
+ }
+ if (!pageSpot && !this.isInPresentationMode) {
+ const left = div.offsetLeft + div.clientLeft,
+ right = left + div.clientWidth;
+ const {
+ scrollLeft,
+ clientWidth
+ } = this.container;
+ if (this._scrollMode === ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) {
+ pageSpot = {
+ left: 0,
+ top: 0
+ };
+ }
+ }
+ scrollIntoView(div, pageSpot);
+ if (!this._currentScaleValue && this._location) {
+ this._location = null;
+ }
+ }
+ #isSameScale(newScale) {
+ return newScale === this._currentScale || Math.abs(newScale - this._currentScale) < 1e-15;
+ }
+ #setScaleUpdatePages(newScale, newValue, {
+ noScroll = false,
+ preset = false,
+ drawingDelay = -1,
+ origin = null
+ }) {
+ this._currentScaleValue = newValue.toString();
+ if (this.#isSameScale(newScale)) {
+ if (preset) {
+ this.eventBus.dispatch("scalechanging", {
+ source: this,
+ scale: newScale,
+ presetValue: newValue
+ });
+ }
+ return;
+ }
+ this.viewer.style.setProperty("--scale-factor", newScale * PixelsPerInch.PDF_TO_CSS_UNITS);
+ const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000;
+ this.refresh(true, {
+ scale: newScale,
+ drawingDelay: postponeDrawing ? drawingDelay : -1
+ });
+ if (postponeDrawing) {
+ this.#scaleTimeoutId = setTimeout(() => {
+ this.#scaleTimeoutId = null;
+ this.refresh();
+ }, drawingDelay);
+ }
+ const previousScale = this._currentScale;
+ this._currentScale = newScale;
+ if (!noScroll) {
+ let page = this._currentPageNumber,
+ dest;
+ if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
+ page = this._location.pageNumber;
+ dest = [null, {
+ name: "XYZ"
+ }, this._location.left, this._location.top, null];
+ }
+ this.scrollPageIntoView({
+ pageNumber: page,
+ destArray: dest,
+ allowNegativeOffset: true
+ });
+ if (Array.isArray(origin)) {
+ const scaleDiff = newScale / previousScale - 1;
+ const [top, left] = this.containerTopLeft;
+ this.container.scrollLeft += (origin[0] - left) * scaleDiff;
+ this.container.scrollTop += (origin[1] - top) * scaleDiff;
+ }
+ }
+ this.eventBus.dispatch("scalechanging", {
+ source: this,
+ scale: newScale,
+ presetValue: preset ? newValue : undefined
+ });
+ if (this.defaultRenderingQueue) {
+ this.update();
+ }
+ }
+ get #pageWidthScaleFactor() {
+ if (this._spreadMode !== SpreadMode.NONE && this._scrollMode !== ScrollMode.HORIZONTAL) {
+ return 2;
+ }
+ return 1;
+ }
+ #setScale(value, options) {
+ let scale = parseFloat(value);
+ if (scale > 0) {
+ options.preset = false;
+ this.#setScaleUpdatePages(scale, value, options);
+ } else {
+ const currentPage = this._pages[this._currentPageNumber - 1];
+ if (!currentPage) {
+ return;
+ }
+ let hPadding = SCROLLBAR_PADDING,
+ vPadding = VERTICAL_PADDING;
+ if (this.isInPresentationMode) {
+ hPadding = vPadding = 4;
+ if (this._spreadMode !== SpreadMode.NONE) {
+ hPadding *= 2;
+ }
+ } else if (this.removePageBorders) {
+ hPadding = vPadding = 0;
+ } else if (this._scrollMode === ScrollMode.HORIZONTAL) {
+ [hPadding, vPadding] = [vPadding, hPadding];
+ }
+ const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale / this.#pageWidthScaleFactor;
+ const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
+ switch (value) {
+ case "page-actual":
+ scale = 1;
+ break;
+ case "page-width":
+ scale = pageWidthScale;
+ break;
+ case "page-height":
+ scale = pageHeightScale;
+ break;
+ case "page-fit":
+ scale = Math.min(pageWidthScale, pageHeightScale);
+ break;
+ case "auto":
+ const horizontalScale = isPortraitOrientation(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
+ scale = Math.min(MAX_AUTO_SCALE, horizontalScale);
+ break;
+ default:
+ console.error(`#setScale: "${value}" is an unknown zoom value.`);
+ return;
+ }
+ options.preset = true;
+ this.#setScaleUpdatePages(scale, value, options);
+ }
+ }
+ #resetCurrentPageView() {
+ const pageView = this._pages[this._currentPageNumber - 1];
+ if (this.isInPresentationMode) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this.#scrollIntoView(pageView);
+ }
+ pageLabelToPageNumber(label) {
+ if (!this._pageLabels) {
+ return null;
+ }
+ const i = this._pageLabels.indexOf(label);
+ if (i < 0) {
+ return null;
+ }
+ return i + 1;
+ }
+ scrollPageIntoView({
+ pageNumber,
+ destArray = null,
+ allowNegativeOffset = false,
+ ignoreDestinationZoom = false,
+ center = null
+ }) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
+ if (!pageView) {
+ console.error(`scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`);
+ return;
+ }
+ if (this.isInPresentationMode || !destArray) {
+ this._setCurrentPageNumber(pageNumber, true);
+ return;
+ }
+ let x = 0,
+ y = 0;
+ let width = 0,
+ height = 0,
+ widthScale,
+ heightScale;
+ const changeOrientation = pageView.rotation % 180 !== 0;
+ const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS;
+ const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS;
+ let scale = 0;
+ switch (destArray[1].name) {
+ case "XYZ":
+ x = destArray[2];
+ y = destArray[3];
+ scale = destArray[4];
+ x = x !== null ? x : 0;
+ y = y !== null ? y : pageHeight;
+ break;
+ case "Fit":
+ case "FitB":
+ scale = "page-fit";
+ break;
+ case "FitH":
+ case "FitBH":
+ y = destArray[2];
+ scale = "page-width";
+ if (y === null && this._location) {
+ x = this._location.left;
+ y = this._location.top;
+ } else if (typeof y !== "number" || y < 0) {
+ y = pageHeight;
+ }
+ break;
+ case "FitV":
+ case "FitBV":
+ x = destArray[2];
+ width = pageWidth;
+ height = pageHeight;
+ scale = "page-height";
+ break;
+ case "FitR":
+ x = destArray[2];
+ y = destArray[3];
+ width = destArray[4] - x;
+ height = destArray[5] - y;
+ let hPadding = SCROLLBAR_PADDING,
+ vPadding = VERTICAL_PADDING;
+ if (this.removePageBorders) {
+ hPadding = vPadding = 0;
+ }
+ widthScale = (this.container.clientWidth - hPadding) / width / PixelsPerInch.PDF_TO_CSS_UNITS;
+ heightScale = (this.container.clientHeight - vPadding) / height / PixelsPerInch.PDF_TO_CSS_UNITS;
+ scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
+ break;
+ default:
+ console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`);
+ return;
+ }
+ if (!ignoreDestinationZoom) {
+ if (scale && scale !== this._currentScale) {
+ this.currentScaleValue = scale;
+ } else if (this._currentScale === UNKNOWN_SCALE) {
+ this.currentScaleValue = DEFAULT_SCALE_VALUE;
+ }
+ }
+ if (scale === "page-fit" && !destArray[4]) {
+ this.#scrollIntoView(pageView);
+ return;
+ }
+ const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
+ let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
+ let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
+ if (center) {
+ if (center === "both" || center === "vertical") {
+ top -= (this.container.clientHeight - Math.abs(boundingRect[1][1] - boundingRect[0][1])) / 2;
+ }
+ if (center === "both" || center === "horizontal") {
+ left -= (this.container.clientWidth - Math.abs(boundingRect[1][0] - boundingRect[0][0])) / 2;
+ }
+ } else if (!allowNegativeOffset) {
+ left = Math.max(left, 0);
+ top = Math.max(top, 0);
+ }
+ this.#scrollIntoView(pageView, {
+ left,
+ top
+ });
+ }
+ _updateLocation(firstPage) {
+ const currentScale = this._currentScale;
+ const currentScaleValue = this._currentScaleValue;
+ const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
+ const pageNumber = firstPage.id;
+ const currentPageView = this._pages[pageNumber - 1];
+ const container = this.container;
+ const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
+ const intLeft = Math.round(topLeft[0]);
+ const intTop = Math.round(topLeft[1]);
+ let pdfOpenParams = `#page=${pageNumber}`;
+ if (!this.isInPresentationMode) {
+ pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`;
+ }
+ this._location = {
+ pageNumber,
+ scale: normalizedScaleValue,
+ top: intTop,
+ left: intLeft,
+ rotation: this._pagesRotation,
+ pdfOpenParams
+ };
+ }
+ update() {
+ const visible = this._getVisiblePages();
+ const visiblePages = visible.views,
+ numVisiblePages = visiblePages.length;
+ if (numVisiblePages === 0) {
+ return;
+ }
+ const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
+ this.#buffer.resize(newCacheSize, visible.ids);
+ for (const {
+ view,
+ visibleArea
+ } of visiblePages) {
+ view.updateVisibleArea(visibleArea);
+ }
+ for (const view of this.#buffer) {
+ if (!visible.ids.has(view.id)) {
+ view.updateVisibleArea(null);
+ }
+ }
+ this.renderingQueue.renderHighestPriority(visible);
+ const isSimpleLayout = this._spreadMode === SpreadMode.NONE && (this._scrollMode === ScrollMode.PAGE || this._scrollMode === ScrollMode.VERTICAL);
+ const currentId = this._currentPageNumber;
+ let stillFullyVisible = false;
+ for (const page of visiblePages) {
+ if (page.percent < 100) {
+ break;
+ }
+ if (page.id === currentId && isSimpleLayout) {
+ stillFullyVisible = true;
+ break;
+ }
+ }
+ this._setCurrentPageNumber(stillFullyVisible ? currentId : visiblePages[0].id);
+ this._updateLocation(visible.first);
+ this.eventBus.dispatch("updateviewarea", {
+ source: this,
+ location: this._location
+ });
+ }
+ #switchToEditAnnotationMode() {
+ const visible = this._getVisiblePages();
+ const pagesToRefresh = [];
+ const {
+ ids,
+ views
+ } = visible;
+ for (const page of views) {
+ const {
+ view
+ } = page;
+ if (!view.hasEditableAnnotations()) {
+ ids.delete(view.id);
+ continue;
+ }
+ pagesToRefresh.push(page);
+ }
+ if (pagesToRefresh.length === 0) {
+ return null;
+ }
+ this.renderingQueue.renderHighestPriority({
+ first: pagesToRefresh[0],
+ last: pagesToRefresh.at(-1),
+ views: pagesToRefresh,
+ ids
+ });
+ return ids;
+ }
+ containsElement(element) {
+ return this.container.contains(element);
+ }
+ focus() {
+ this.container.focus();
+ }
+ get _isContainerRtl() {
+ return getComputedStyle(this.container).direction === "rtl";
+ }
+ get isInPresentationMode() {
+ return this.presentationModeState === PresentationModeState.FULLSCREEN;
+ }
+ get isChangingPresentationMode() {
+ return this.presentationModeState === PresentationModeState.CHANGING;
+ }
+ get isHorizontalScrollbarEnabled() {
+ return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
+ }
+ get isVerticalScrollbarEnabled() {
+ return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
+ }
+ _getVisiblePages() {
+ const views = this._scrollMode === ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages,
+ horizontal = this._scrollMode === ScrollMode.HORIZONTAL,
+ rtl = horizontal && this._isContainerRtl;
+ return getVisibleElements({
+ scrollEl: this.container,
+ views,
+ sortByVisibility: true,
+ horizontal,
+ rtl
+ });
+ }
+ cleanup() {
+ for (const pageView of this._pages) {
+ if (pageView.renderingState !== RenderingStates.FINISHED) {
+ pageView.reset();
+ }
+ }
+ }
+ _cancelRendering() {
+ for (const pageView of this._pages) {
+ pageView.cancelRendering();
+ }
+ }
+ async #ensurePdfPageLoaded(pageView) {
+ if (pageView.pdfPage) {
+ return pageView.pdfPage;
+ }
+ try {
+ const pdfPage = await this.pdfDocument.getPage(pageView.id);
+ if (!pageView.pdfPage) {
+ pageView.setPdfPage(pdfPage);
+ }
+ return pdfPage;
+ } catch (reason) {
+ console.error("Unable to get page for page view", reason);
+ return null;
+ }
+ }
+ #getScrollAhead(visible) {
+ if (visible.first?.id === 1) {
+ return true;
+ } else if (visible.last?.id === this.pagesCount) {
+ return false;
+ }
+ switch (this._scrollMode) {
+ case ScrollMode.PAGE:
+ return this.#scrollModePageState.scrollDown;
+ case ScrollMode.HORIZONTAL:
+ return this.scroll.right;
+ }
+ return this.scroll.down;
+ }
+ forceRendering(currentlyVisiblePages) {
+ const visiblePages = currentlyVisiblePages || this._getVisiblePages();
+ const scrollAhead = this.#getScrollAhead(visiblePages);
+ const preRenderExtra = this._spreadMode !== SpreadMode.NONE && this._scrollMode !== ScrollMode.HORIZONTAL;
+ const ignoreDetailViews = this.#scaleTimeoutId !== null || this.#scrollTimeoutId !== null && visiblePages.views.some(page => page.detailView?.renderingCancelled);
+ const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead, preRenderExtra, ignoreDetailViews);
+ if (pageView) {
+ this.#ensurePdfPageLoaded(pageView).then(() => {
+ this.renderingQueue.renderView(pageView);
+ });
+ return true;
+ }
+ return false;
+ }
+ get hasEqualPageSizes() {
+ const firstPageView = this._pages[0];
+ for (let i = 1, ii = this._pages.length; i < ii; ++i) {
+ const pageView = this._pages[i];
+ if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
+ return false;
+ }
+ }
+ return true;
+ }
+ getPagesOverview() {
+ let initialOrientation;
+ return this._pages.map(pageView => {
+ const viewport = pageView.pdfPage.getViewport({
+ scale: 1
+ });
+ const orientation = isPortraitOrientation(viewport);
+ if (initialOrientation === undefined) {
+ initialOrientation = orientation;
+ } else if (this.enablePrintAutoRotate && orientation !== initialOrientation) {
+ return {
+ width: viewport.height,
+ height: viewport.width,
+ rotation: (viewport.rotation - 90) % 360
+ };
+ }
+ return {
+ width: viewport.width,
+ height: viewport.height,
+ rotation: viewport.rotation
+ };
+ });
+ }
+ get optionalContentConfigPromise() {
+ if (!this.pdfDocument) {
+ return Promise.resolve(null);
+ }
+ if (!this._optionalContentConfigPromise) {
+ console.error("optionalContentConfigPromise: Not initialized yet.");
+ return this.pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ });
+ }
+ return this._optionalContentConfigPromise;
+ }
+ set optionalContentConfigPromise(promise) {
+ if (!(promise instanceof Promise)) {
+ throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!this._optionalContentConfigPromise) {
+ return;
+ }
+ this._optionalContentConfigPromise = promise;
+ this.refresh(false, {
+ optionalContentConfigPromise: promise
+ });
+ this.eventBus.dispatch("optionalcontentconfigchanged", {
+ source: this,
+ promise
+ });
+ }
+ get scrollMode() {
+ return this._scrollMode;
+ }
+ set scrollMode(mode) {
+ if (this._scrollMode === mode) {
+ return;
+ }
+ if (!isValidScrollMode(mode)) {
+ throw new Error(`Invalid scroll mode: ${mode}`);
+ }
+ if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
+ return;
+ }
+ this._previousScrollMode = this._scrollMode;
+ this._scrollMode = mode;
+ this.eventBus.dispatch("scrollmodechanged", {
+ source: this,
+ mode
+ });
+ this._updateScrollMode(this._currentPageNumber);
+ }
+ _updateScrollMode(pageNumber = null) {
+ const scrollMode = this._scrollMode,
+ viewer = this.viewer;
+ viewer.classList.toggle("scrollHorizontal", scrollMode === ScrollMode.HORIZONTAL);
+ viewer.classList.toggle("scrollWrapped", scrollMode === ScrollMode.WRAPPED);
+ if (!this.pdfDocument || !pageNumber) {
+ return;
+ }
+ if (scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ } else if (this._previousScrollMode === ScrollMode.PAGE) {
+ this._updateSpreadMode();
+ }
+ if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this._setCurrentPageNumber(pageNumber, true);
+ this.update();
+ }
+ get spreadMode() {
+ return this._spreadMode;
+ }
+ set spreadMode(mode) {
+ if (this._spreadMode === mode) {
+ return;
+ }
+ if (!isValidSpreadMode(mode)) {
+ throw new Error(`Invalid spread mode: ${mode}`);
+ }
+ this._spreadMode = mode;
+ this.eventBus.dispatch("spreadmodechanged", {
+ source: this,
+ mode
+ });
+ this._updateSpreadMode(this._currentPageNumber);
+ }
+ _updateSpreadMode(pageNumber = null) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const viewer = this.viewer,
+ pages = this._pages;
+ if (this._scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ } else {
+ viewer.textContent = "";
+ if (this._spreadMode === SpreadMode.NONE) {
+ for (const pageView of this._pages) {
+ viewer.append(pageView.div);
+ }
+ } else {
+ const parity = this._spreadMode - 1;
+ let spread = null;
+ for (let i = 0, ii = pages.length; i < ii; ++i) {
+ if (spread === null) {
+ spread = document.createElement("div");
+ spread.className = "spread";
+ viewer.append(spread);
+ } else if (i % 2 === parity) {
+ spread = spread.cloneNode(false);
+ viewer.append(spread);
+ }
+ spread.append(pages[i].div);
+ }
+ }
+ }
+ if (!pageNumber) {
+ return;
+ }
+ if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this._setCurrentPageNumber(pageNumber, true);
+ this.update();
+ }
+ _getPageAdvance(currentPageNumber, previous = false) {
+ switch (this._scrollMode) {
+ case ScrollMode.WRAPPED:
+ {
+ const {
+ views
+ } = this._getVisiblePages(),
+ pageLayout = new Map();
+ for (const {
+ id,
+ y,
+ percent,
+ widthPercent
+ } of views) {
+ if (percent === 0 || widthPercent < 100) {
+ continue;
+ }
+ let yArray = pageLayout.get(y);
+ if (!yArray) {
+ pageLayout.set(y, yArray ||= []);
+ }
+ yArray.push(id);
+ }
+ for (const yArray of pageLayout.values()) {
+ const currentIndex = yArray.indexOf(currentPageNumber);
+ if (currentIndex === -1) {
+ continue;
+ }
+ const numPages = yArray.length;
+ if (numPages === 1) {
+ break;
+ }
+ if (previous) {
+ for (let i = currentIndex - 1, ii = 0; i >= ii; i--) {
+ const currentId = yArray[i],
+ expectedId = yArray[i + 1] - 1;
+ if (currentId < expectedId) {
+ return currentPageNumber - expectedId;
+ }
+ }
+ } else {
+ for (let i = currentIndex + 1, ii = numPages; i < ii; i++) {
+ const currentId = yArray[i],
+ expectedId = yArray[i - 1] + 1;
+ if (currentId > expectedId) {
+ return expectedId - currentPageNumber;
+ }
+ }
+ }
+ if (previous) {
+ const firstId = yArray[0];
+ if (firstId < currentPageNumber) {
+ return currentPageNumber - firstId + 1;
+ }
+ } else {
+ const lastId = yArray[numPages - 1];
+ if (lastId > currentPageNumber) {
+ return lastId - currentPageNumber + 1;
+ }
+ }
+ break;
+ }
+ break;
+ }
+ case ScrollMode.HORIZONTAL:
+ {
+ break;
+ }
+ case ScrollMode.PAGE:
+ case ScrollMode.VERTICAL:
+ {
+ if (this._spreadMode === SpreadMode.NONE) {
+ break;
+ }
+ const parity = this._spreadMode - 1;
+ if (previous && currentPageNumber % 2 !== parity) {
+ break;
+ } else if (!previous && currentPageNumber % 2 === parity) {
+ break;
+ }
+ const {
+ views
+ } = this._getVisiblePages(),
+ expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1;
+ for (const {
+ id,
+ percent,
+ widthPercent
+ } of views) {
+ if (id !== expectedId) {
+ continue;
+ }
+ if (percent > 0 && widthPercent === 100) {
+ return 2;
+ }
+ break;
+ }
+ break;
+ }
+ }
+ return 1;
+ }
+ nextPage() {
+ const currentPageNumber = this._currentPageNumber,
+ pagesCount = this.pagesCount;
+ if (currentPageNumber >= pagesCount) {
+ return false;
+ }
+ const advance = this._getPageAdvance(currentPageNumber, false) || 1;
+ this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount);
+ return true;
+ }
+ previousPage() {
+ const currentPageNumber = this._currentPageNumber;
+ if (currentPageNumber <= 1) {
+ return false;
+ }
+ const advance = this._getPageAdvance(currentPageNumber, true) || 1;
+ this.currentPageNumber = Math.max(currentPageNumber - advance, 1);
+ return true;
+ }
+ updateScale({
+ drawingDelay,
+ scaleFactor = null,
+ steps = null,
+ origin
+ }) {
+ if (steps === null && scaleFactor === null) {
+ throw new Error("Invalid updateScale options: either `steps` or `scaleFactor` must be provided.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ let newScale = this._currentScale;
+ if (scaleFactor > 0 && scaleFactor !== 1) {
+ newScale = Math.round(newScale * scaleFactor * 100) / 100;
+ } else if (steps) {
+ const delta = steps > 0 ? DEFAULT_SCALE_DELTA : 1 / DEFAULT_SCALE_DELTA;
+ const round = steps > 0 ? Math.ceil : Math.floor;
+ steps = Math.abs(steps);
+ do {
+ newScale = round((newScale * delta).toFixed(2) * 10) / 10;
+ } while (--steps > 0);
+ }
+ newScale = MathClamp(newScale, MIN_SCALE, MAX_SCALE);
+ this.#setScale(newScale, {
+ noScroll: false,
+ drawingDelay,
+ origin
+ });
+ }
+ increaseScale(options = {}) {
+ this.updateScale({
+ ...options,
+ steps: options.steps ?? 1
+ });
+ }
+ decreaseScale(options = {}) {
+ this.updateScale({
+ ...options,
+ steps: -(options.steps ?? 1)
+ });
+ }
+ #updateContainerHeightCss(height = this.container.clientHeight) {
+ if (height !== this.#previousContainerHeight) {
+ this.#previousContainerHeight = height;
+ docStyle.setProperty("--viewer-container-height", `${height}px`);
+ }
+ }
+ #resizeObserverCallback(entries) {
+ for (const entry of entries) {
+ if (entry.target === this.container) {
+ this.#updateContainerHeightCss(Math.floor(entry.borderBoxSize[0].blockSize));
+ this.#containerTopLeft = null;
+ break;
+ }
+ }
+ }
+ get containerTopLeft() {
+ return this.#containerTopLeft ||= [this.container.offsetTop, this.container.offsetLeft];
+ }
+ #cleanupTimeouts() {
+ if (this.#scaleTimeoutId !== null) {
+ clearTimeout(this.#scaleTimeoutId);
+ this.#scaleTimeoutId = null;
+ }
+ if (this.#scrollTimeoutId !== null) {
+ clearTimeout(this.#scrollTimeoutId);
+ this.#scrollTimeoutId = null;
+ }
+ }
+ #cleanupSwitchAnnotationEditorMode() {
+ this.#switchAnnotationEditorModeAC?.abort();
+ this.#switchAnnotationEditorModeAC = null;
+ if (this.#switchAnnotationEditorModeTimeoutId !== null) {
+ clearTimeout(this.#switchAnnotationEditorModeTimeoutId);
+ this.#switchAnnotationEditorModeTimeoutId = null;
+ }
+ }
+ #preloadEditingData(mode) {
+ switch (mode) {
+ case AnnotationEditorType.STAMP:
+ this.#mlManager?.loadModel("altText");
+ break;
+ case AnnotationEditorType.SIGNATURE:
+ this.#signatureManager?.loadSignatures();
+ break;
+ }
+ }
+ get annotationEditorMode() {
+ return this.#annotationEditorUIManager ? this.#annotationEditorMode : AnnotationEditorType.DISABLE;
+ }
+ set annotationEditorMode({
+ mode,
+ editId = null,
+ isFromKeyboard = false,
+ mustEnterInEditMode = false,
+ editComment = false
+ }) {
+ if (!this.#annotationEditorUIManager) {
+ throw new Error(`The AnnotationEditor is not enabled.`);
+ }
+ if (this.#annotationEditorMode === mode) {
+ return;
+ }
+ if (!isValidAnnotationEditorMode(mode)) {
+ throw new Error(`Invalid AnnotationEditor mode: ${mode}`);
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.#preloadEditingData(mode);
+ const {
+ eventBus,
+ pdfDocument
+ } = this;
+ const updater = async () => {
+ this.#cleanupSwitchAnnotationEditorMode();
+ this.#annotationEditorMode = mode;
+ await this.#annotationEditorUIManager.updateMode(mode, editId, isFromKeyboard, mustEnterInEditMode, editComment);
+ if (mode !== this.#annotationEditorMode || pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ eventBus.dispatch("annotationeditormodechanged", {
+ source: this,
+ mode
+ });
+ };
+ if (mode === AnnotationEditorType.NONE || this.#annotationEditorMode === AnnotationEditorType.NONE) {
+ const isEditing = mode !== AnnotationEditorType.NONE;
+ if (!isEditing) {
+ this.pdfDocument.annotationStorage.resetModifiedIds();
+ }
+ this.cleanup();
+ for (const pageView of this._pages) {
+ pageView.toggleEditingMode(isEditing);
+ }
+ const idsToRefresh = this.#switchToEditAnnotationMode();
+ if (isEditing && idsToRefresh) {
+ this.#cleanupSwitchAnnotationEditorMode();
+ this.#switchAnnotationEditorModeAC = new AbortController();
+ const signal = AbortSignal.any([this.#eventAbortController.signal, this.#switchAnnotationEditorModeAC.signal]);
+ eventBus._on("pagerendered", ({
+ pageNumber
+ }) => {
+ idsToRefresh.delete(pageNumber);
+ if (idsToRefresh.size === 0) {
+ this.#switchAnnotationEditorModeTimeoutId = setTimeout(updater, 0);
+ }
+ }, {
+ signal
+ });
+ return;
+ }
+ }
+ updater();
+ }
+ refresh(noUpdate = false, updateArgs = Object.create(null)) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ for (const pageView of this._pages) {
+ pageView.update(updateArgs);
+ }
+ this.#cleanupTimeouts();
+ if (!noUpdate) {
+ this.update();
+ }
+ }
+}
+
+;// ./web/secondary_toolbar.js
+
+
+class SecondaryToolbar {
+ #opts;
+ constructor(options, eventBus) {
+ this.#opts = options;
+ const buttons = [{
+ element: options.presentationModeButton,
+ eventName: "presentationmode",
+ close: true
+ }, {
+ element: options.printButton,
+ eventName: "print",
+ close: true
+ }, {
+ element: options.downloadButton,
+ eventName: "download",
+ close: true
+ }, {
+ element: options.viewBookmarkButton,
+ eventName: null,
+ close: true
+ }, {
+ element: options.firstPageButton,
+ eventName: "firstpage",
+ close: true
+ }, {
+ element: options.lastPageButton,
+ eventName: "lastpage",
+ close: true
+ }, {
+ element: options.pageRotateCwButton,
+ eventName: "rotatecw",
+ close: false
+ }, {
+ element: options.pageRotateCcwButton,
+ eventName: "rotateccw",
+ close: false
+ }, {
+ element: options.cursorSelectToolButton,
+ eventName: "switchcursortool",
+ eventDetails: {
+ tool: CursorTool.SELECT
+ },
+ close: true
+ }, {
+ element: options.cursorHandToolButton,
+ eventName: "switchcursortool",
+ eventDetails: {
+ tool: CursorTool.HAND
+ },
+ close: true
+ }, {
+ element: options.scrollPageButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.PAGE
+ },
+ close: true
+ }, {
+ element: options.scrollVerticalButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.VERTICAL
+ },
+ close: true
+ }, {
+ element: options.scrollHorizontalButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.HORIZONTAL
+ },
+ close: true
+ }, {
+ element: options.scrollWrappedButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.WRAPPED
+ },
+ close: true
+ }, {
+ element: options.spreadNoneButton,
+ eventName: "switchspreadmode",
+ eventDetails: {
+ mode: SpreadMode.NONE
+ },
+ close: true
+ }, {
+ element: options.spreadOddButton,
+ eventName: "switchspreadmode",
+ eventDetails: {
+ mode: SpreadMode.ODD
+ },
+ close: true
+ }, {
+ element: options.spreadEvenButton,
+ eventName: "switchspreadmode",
+ eventDetails: {
+ mode: SpreadMode.EVEN
+ },
+ close: true
+ }, {
+ element: options.imageAltTextSettingsButton,
+ eventName: "imagealttextsettings",
+ close: true
+ }, {
+ element: options.documentPropertiesButton,
+ eventName: "documentproperties",
+ close: true
+ }];
+ buttons.push({
+ element: options.openFileButton,
+ eventName: "openfile",
+ close: true
+ });
+ this.eventBus = eventBus;
+ this.opened = false;
+ this.#bindListeners(buttons);
+ this.reset();
+ }
+ get isOpen() {
+ return this.opened;
+ }
+ setPageNumber(pageNumber) {
+ this.pageNumber = pageNumber;
+ this.#updateUIState();
+ }
+ setPagesCount(pagesCount) {
+ this.pagesCount = pagesCount;
+ this.#updateUIState();
+ }
+ reset() {
+ this.pageNumber = 0;
+ this.pagesCount = 0;
+ this.#updateUIState();
+ this.eventBus.dispatch("switchcursortool", {
+ source: this,
+ reset: true
+ });
+ this.#scrollModeChanged({
+ mode: ScrollMode.VERTICAL
+ });
+ this.#spreadModeChanged({
+ mode: SpreadMode.NONE
+ });
+ }
+ #updateUIState() {
+ const {
+ firstPageButton,
+ lastPageButton,
+ pageRotateCwButton,
+ pageRotateCcwButton
+ } = this.#opts;
+ firstPageButton.disabled = this.pageNumber <= 1;
+ lastPageButton.disabled = this.pageNumber >= this.pagesCount;
+ pageRotateCwButton.disabled = this.pagesCount === 0;
+ pageRotateCcwButton.disabled = this.pagesCount === 0;
+ }
+ #bindListeners(buttons) {
+ const {
+ eventBus
+ } = this;
+ const {
+ toggleButton
+ } = this.#opts;
+ toggleButton.addEventListener("click", this.toggle.bind(this));
+ for (const {
+ element,
+ eventName,
+ close,
+ eventDetails
+ } of buttons) {
+ element.addEventListener("click", evt => {
+ if (eventName !== null) {
+ eventBus.dispatch(eventName, {
+ source: this,
+ ...eventDetails
+ });
+ }
+ if (close) {
+ this.close();
+ }
+ eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "buttons",
+ data: {
+ id: element.id
+ }
+ }
+ });
+ });
+ }
+ eventBus._on("cursortoolchanged", this.#cursorToolChanged.bind(this));
+ eventBus._on("scrollmodechanged", this.#scrollModeChanged.bind(this));
+ eventBus._on("spreadmodechanged", this.#spreadModeChanged.bind(this));
+ }
+ #cursorToolChanged({
+ tool,
+ disabled
+ }) {
+ const {
+ cursorSelectToolButton,
+ cursorHandToolButton
+ } = this.#opts;
+ toggleCheckedBtn(cursorSelectToolButton, tool === CursorTool.SELECT);
+ toggleCheckedBtn(cursorHandToolButton, tool === CursorTool.HAND);
+ cursorSelectToolButton.disabled = disabled;
+ cursorHandToolButton.disabled = disabled;
+ }
+ #scrollModeChanged({
+ mode
+ }) {
+ const {
+ scrollPageButton,
+ scrollVerticalButton,
+ scrollHorizontalButton,
+ scrollWrappedButton,
+ spreadNoneButton,
+ spreadOddButton,
+ spreadEvenButton
+ } = this.#opts;
+ toggleCheckedBtn(scrollPageButton, mode === ScrollMode.PAGE);
+ toggleCheckedBtn(scrollVerticalButton, mode === ScrollMode.VERTICAL);
+ toggleCheckedBtn(scrollHorizontalButton, mode === ScrollMode.HORIZONTAL);
+ toggleCheckedBtn(scrollWrappedButton, mode === ScrollMode.WRAPPED);
+ const forceScrollModePage = this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE;
+ scrollPageButton.disabled = forceScrollModePage;
+ scrollVerticalButton.disabled = forceScrollModePage;
+ scrollHorizontalButton.disabled = forceScrollModePage;
+ scrollWrappedButton.disabled = forceScrollModePage;
+ const isHorizontal = mode === ScrollMode.HORIZONTAL;
+ spreadNoneButton.disabled = isHorizontal;
+ spreadOddButton.disabled = isHorizontal;
+ spreadEvenButton.disabled = isHorizontal;
+ }
+ #spreadModeChanged({
+ mode
+ }) {
+ const {
+ spreadNoneButton,
+ spreadOddButton,
+ spreadEvenButton
+ } = this.#opts;
+ toggleCheckedBtn(spreadNoneButton, mode === SpreadMode.NONE);
+ toggleCheckedBtn(spreadOddButton, mode === SpreadMode.ODD);
+ toggleCheckedBtn(spreadEvenButton, mode === SpreadMode.EVEN);
+ }
+ open() {
+ if (this.opened) {
+ return;
+ }
+ this.opened = true;
+ const {
+ toggleButton,
+ toolbar
+ } = this.#opts;
+ toggleExpandedBtn(toggleButton, true, toolbar);
+ }
+ close() {
+ if (!this.opened) {
+ return;
+ }
+ this.opened = false;
+ const {
+ toggleButton,
+ toolbar
+ } = this.#opts;
+ toggleExpandedBtn(toggleButton, false, toolbar);
+ }
+ toggle() {
+ if (this.opened) {
+ this.close();
+ } else {
+ this.open();
+ }
+ }
+}
+
+;// ./web/signature_manager.js
+
+const DEFAULT_HEIGHT_IN_PAGE = 40;
+class SignatureManager {
+ #addButton;
+ #tabsToAltText = null;
+ #clearButton;
+ #clearDescription;
+ #currentEditor;
+ #description;
+ #dialog;
+ #drawCurves = null;
+ #drawPlaceholder;
+ #drawPath = null;
+ #drawPathString = "";
+ #drawPoints = null;
+ #drawSVG;
+ #drawThickness;
+ #errorBar;
+ #errorDescription;
+ #errorTitle;
+ #extractedSignatureData = null;
+ #imagePath = null;
+ #imagePicker;
+ #imagePickerLink;
+ #imagePlaceholder;
+ #imageSVG;
+ #saveCheckbox;
+ #saveContainer;
+ #tabButtons;
+ #addSignatureToolbarButton;
+ #loadSignaturesPromise = null;
+ #typeInput;
+ #currentTab = null;
+ #currentTabAC = null;
+ #hasDescriptionChanged = false;
+ #eventBus;
+ #isStorageFull = false;
+ #l10n;
+ #overlayManager;
+ #editDescriptionDialog;
+ #signatureStorage;
+ #uiManager = null;
+ static #l10nDescription = null;
+ constructor({
+ dialog,
+ panels,
+ typeButton,
+ typeInput,
+ drawButton,
+ drawPlaceholder,
+ drawSVG,
+ drawThickness,
+ imageButton,
+ imageSVG,
+ imagePlaceholder,
+ imagePicker,
+ imagePickerLink,
+ description,
+ clearButton,
+ cancelButton,
+ addButton,
+ errorCloseButton,
+ errorBar,
+ errorTitle,
+ errorDescription,
+ saveCheckbox,
+ saveContainer
+ }, editSignatureElements, addSignatureToolbarButton, overlayManager, l10n, signatureStorage, eventBus) {
+ this.#addButton = addButton;
+ this.#clearButton = clearButton;
+ this.#clearDescription = description.lastElementChild;
+ this.#description = description.firstElementChild;
+ this.#dialog = dialog;
+ this.#drawSVG = drawSVG;
+ this.#drawPlaceholder = drawPlaceholder;
+ this.#drawThickness = drawThickness;
+ this.#errorBar = errorBar;
+ this.#errorTitle = errorTitle;
+ this.#errorDescription = errorDescription;
+ this.#imageSVG = imageSVG;
+ this.#imagePlaceholder = imagePlaceholder;
+ this.#imagePicker = imagePicker;
+ this.#imagePickerLink = imagePickerLink;
+ this.#overlayManager = overlayManager;
+ this.#saveCheckbox = saveCheckbox;
+ this.#saveContainer = saveContainer;
+ this.#addSignatureToolbarButton = addSignatureToolbarButton;
+ this.#typeInput = typeInput;
+ this.#l10n = l10n;
+ this.#signatureStorage = signatureStorage;
+ this.#eventBus = eventBus;
+ this.#editDescriptionDialog = new EditDescriptionDialog(editSignatureElements, overlayManager);
+ SignatureManager.#l10nDescription ||= Object.freeze({
+ signature: "pdfjs-editor-add-signature-description-default-when-drawing",
+ errorUploadTitle: "pdfjs-editor-add-signature-image-upload-error-title",
+ errorUploadDescription: "pdfjs-editor-add-signature-image-upload-error-description",
+ errorNoDataTitle: "pdfjs-editor-add-signature-image-no-data-error-title",
+ errorNoDataDescription: "pdfjs-editor-add-signature-image-no-data-error-description"
+ });
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", e => {
+ const {
+ target
+ } = e;
+ if (target !== this.#typeInput && target !== this.#description) {
+ e.preventDefault();
+ }
+ });
+ dialog.addEventListener("drop", e => {
+ stopEvent(e);
+ });
+ cancelButton.addEventListener("click", this.#cancel.bind(this));
+ addButton.addEventListener("click", this.#add.bind(this));
+ clearButton.addEventListener("click", () => {
+ this.#reportTelemetry({
+ type: "signature",
+ action: "pdfjs.signature.clear",
+ data: {
+ type: this.#currentTab
+ }
+ });
+ this.#initTab(null);
+ }, {
+ passive: true
+ });
+ this.#description.addEventListener("input", () => {
+ this.#clearDescription.disabled = this.#description.value === "";
+ }, {
+ passive: true
+ });
+ this.#clearDescription.addEventListener("click", () => {
+ this.#description.value = "";
+ this.#clearDescription.disabled = true;
+ }, {
+ passive: true
+ });
+ errorCloseButton.addEventListener("click", () => {
+ errorBar.hidden = true;
+ }, {
+ passive: true
+ });
+ this.#initTabButtons(typeButton, drawButton, imageButton, panels);
+ imagePicker.accept = SupportedImageMimeTypes.join(",");
+ eventBus._on("storedsignatureschanged", this.#signaturesChanged.bind(this));
+ overlayManager.register(dialog);
+ }
+ #initTabButtons(typeButton, drawButton, imageButton, panels) {
+ const buttons = this.#tabButtons = new Map([["type", typeButton], ["draw", drawButton], ["image", imageButton]]);
+ const tabCallback = e => {
+ for (const [name, button] of buttons) {
+ if (button === e.target) {
+ button.setAttribute("aria-selected", true);
+ button.setAttribute("tabindex", 0);
+ panels.setAttribute("data-selected", name);
+ this.#initTab(name);
+ } else {
+ button.setAttribute("aria-selected", false);
+ button.setAttribute("tabindex", -1);
+ }
+ }
+ };
+ const buttonsArray = Array.from(buttons.values());
+ for (let i = 0, ii = buttonsArray.length; i < ii; i++) {
+ const button = buttonsArray[i];
+ button.addEventListener("click", tabCallback, {
+ passive: true
+ });
+ button.addEventListener("keydown", ({
+ key
+ }) => {
+ if (key !== "ArrowLeft" && key !== "ArrowRight") {
+ return;
+ }
+ buttonsArray[i + (key === "ArrowLeft" ? -1 : 1)]?.focus();
+ }, {
+ passive: true
+ });
+ }
+ }
+ #resetCommon() {
+ this.#hasDescriptionChanged = false;
+ this.#description.value = "";
+ if (this.#currentTab) {
+ this.#tabsToAltText.get(this.#currentTab).value = "";
+ }
+ }
+ #resetTab(name) {
+ switch (name) {
+ case "type":
+ this.#typeInput.value = "";
+ break;
+ case "draw":
+ this.#drawCurves = null;
+ this.#drawPoints = null;
+ this.#drawPathString = "";
+ this.#drawPath?.remove();
+ this.#drawPath = null;
+ this.#drawPlaceholder.hidden = false;
+ this.#drawThickness.value = 1;
+ break;
+ case "image":
+ this.#imagePlaceholder.hidden = false;
+ this.#imagePath?.remove();
+ this.#imagePath = null;
+ break;
+ }
+ }
+ #initTab(name) {
+ if (name && this.#currentTab === name) {
+ return;
+ }
+ if (this.#currentTab) {
+ this.#tabsToAltText.get(this.#currentTab).value = this.#description.value;
+ }
+ if (name) {
+ this.#currentTab = name;
+ }
+ this.#errorBar.hidden = true;
+ const reset = !name;
+ if (reset) {
+ this.#resetCommon();
+ } else {
+ this.#description.value = this.#tabsToAltText.get(this.#currentTab).value;
+ }
+ this.#clearDescription.disabled = this.#description.value === "";
+ this.#currentTabAC?.abort();
+ this.#currentTabAC = new AbortController();
+ switch (this.#currentTab) {
+ case "type":
+ this.#initTypeTab(reset);
+ break;
+ case "draw":
+ this.#initDrawTab(reset);
+ break;
+ case "image":
+ this.#initImageTab(reset);
+ break;
+ }
+ }
+ #disableButtons(value) {
+ if (!value || !this.#isStorageFull) {
+ this.#saveCheckbox.disabled = !value;
+ }
+ this.#clearButton.disabled = this.#addButton.disabled = this.#description.disabled = !value;
+ }
+ #initTypeTab(reset) {
+ if (reset) {
+ this.#resetTab("type");
+ }
+ this.#disableButtons(this.#typeInput.value);
+ const {
+ signal
+ } = this.#currentTabAC;
+ const options = {
+ passive: true,
+ signal
+ };
+ this.#typeInput.addEventListener("input", () => {
+ const {
+ value
+ } = this.#typeInput;
+ if (!this.#hasDescriptionChanged) {
+ this.#tabsToAltText.get("type").default = this.#description.value = value;
+ this.#clearDescription.disabled = value === "";
+ }
+ this.#disableButtons(value);
+ }, options);
+ this.#description.addEventListener("input", () => {
+ this.#hasDescriptionChanged = this.#typeInput.value !== this.#description.value;
+ }, options);
+ }
+ #initDrawTab(reset) {
+ if (reset) {
+ this.#resetTab("draw");
+ }
+ this.#disableButtons(this.#drawPath);
+ const {
+ signal
+ } = this.#currentTabAC;
+ const options = {
+ signal
+ };
+ let currentPointerId = NaN;
+ const drawCallback = e => {
+ const {
+ pointerId
+ } = e;
+ if (!isNaN(currentPointerId) && currentPointerId !== pointerId) {
+ return;
+ }
+ currentPointerId = pointerId;
+ e.preventDefault();
+ this.#drawSVG.setPointerCapture(pointerId);
+ const {
+ width: drawWidth,
+ height: drawHeight
+ } = this.#drawSVG.getBoundingClientRect();
+ let {
+ offsetX,
+ offsetY
+ } = e;
+ offsetX = Math.round(offsetX);
+ offsetY = Math.round(offsetY);
+ if (e.target === this.#drawPlaceholder) {
+ this.#drawPlaceholder.hidden = true;
+ }
+ if (!this.#drawCurves) {
+ this.#drawCurves = {
+ width: drawWidth,
+ height: drawHeight,
+ thickness: parseInt(this.#drawThickness.value),
+ curves: []
+ };
+ this.#disableButtons(true);
+ const svgFactory = new DOMSVGFactory();
+ const path = this.#drawPath = svgFactory.createElement("path");
+ path.setAttribute("stroke-width", this.#drawThickness.value);
+ this.#drawSVG.append(path);
+ this.#drawSVG.addEventListener("pointerdown", drawCallback, options);
+ this.#drawPlaceholder.removeEventListener("pointerdown", drawCallback);
+ if (this.#description.value === "") {
+ this.#l10n.get(SignatureManager.#l10nDescription.signature).then(description => {
+ this.#tabsToAltText.get("draw").default = description;
+ this.#description.value ||= description;
+ this.#clearDescription.disabled = this.#description.value === "";
+ });
+ }
+ }
+ this.#drawPoints = [offsetX, offsetY];
+ this.#drawCurves.curves.push({
+ points: this.#drawPoints
+ });
+ this.#drawPathString += `M ${offsetX} ${offsetY}`;
+ this.#drawPath.setAttribute("d", this.#drawPathString);
+ const finishDrawAC = new AbortController();
+ const listenerDrawOptions = {
+ signal: AbortSignal.any([signal, finishDrawAC.signal])
+ };
+ this.#drawSVG.addEventListener("contextmenu", noContextMenu, listenerDrawOptions);
+ this.#drawSVG.addEventListener("pointermove", evt => {
+ evt.preventDefault();
+ let {
+ offsetX: x,
+ offsetY: y
+ } = evt;
+ x = Math.round(x);
+ y = Math.round(y);
+ const drawPoints = this.#drawPoints;
+ if (x < 0 || y < 0 || x > drawWidth || y > drawHeight || x === drawPoints.at(-2) && y === drawPoints.at(-1)) {
+ return;
+ }
+ if (drawPoints.length >= 4) {
+ const [x1, y1, x2, y2] = drawPoints.slice(-4);
+ this.#drawPathString += `C${(x1 + 5 * x2) / 6} ${(y1 + 5 * y2) / 6} ${(5 * x2 + x) / 6} ${(5 * y2 + y) / 6} ${(x2 + x) / 2} ${(y2 + y) / 2}`;
+ } else {
+ this.#drawPathString += `L${x} ${y}`;
+ }
+ drawPoints.push(x, y);
+ this.#drawPath.setAttribute("d", this.#drawPathString);
+ }, listenerDrawOptions);
+ this.#drawSVG.addEventListener("pointerup", evt => {
+ const {
+ pointerId: pId
+ } = evt;
+ if (!isNaN(currentPointerId) && currentPointerId !== pId) {
+ return;
+ }
+ currentPointerId = NaN;
+ evt.preventDefault();
+ this.#drawSVG.releasePointerCapture(pId);
+ finishDrawAC.abort();
+ if (this.#drawPoints.length === 2) {
+ this.#drawPathString += `L${this.#drawPoints[0]} ${this.#drawPoints[1]}`;
+ this.#drawPath.setAttribute("d", this.#drawPathString);
+ }
+ }, listenerDrawOptions);
+ };
+ if (this.#drawCurves) {
+ this.#drawSVG.addEventListener("pointerdown", drawCallback, options);
+ } else {
+ this.#drawPlaceholder.addEventListener("pointerdown", drawCallback, options);
+ }
+ this.#drawThickness.addEventListener("input", () => {
+ const {
+ value: thickness
+ } = this.#drawThickness;
+ this.#drawThickness.setAttribute("data-l10n-args", JSON.stringify({
+ thickness
+ }));
+ if (!this.#drawCurves) {
+ return;
+ }
+ this.#drawPath.setAttribute("stroke-width", thickness);
+ this.#drawCurves.thickness = thickness;
+ }, options);
+ }
+ #showError(type) {
+ this.#errorTitle.setAttribute("data-l10n-id", SignatureManager.#l10nDescription[`error${type}Title`]);
+ this.#errorDescription.setAttribute("data-l10n-id", SignatureManager.#l10nDescription[`error${type}Description`]);
+ this.#errorBar.hidden = false;
+ }
+ #initImageTab(reset) {
+ if (reset) {
+ this.#resetTab("image");
+ }
+ this.#disableButtons(this.#imagePath);
+ const {
+ signal
+ } = this.#currentTabAC;
+ const options = {
+ signal
+ };
+ const passiveOptions = {
+ passive: true,
+ signal
+ };
+ this.#imagePickerLink.addEventListener("keydown", e => {
+ const {
+ key
+ } = e;
+ if (key === "Enter" || key === " ") {
+ stopEvent(e);
+ this.#imagePicker.click();
+ }
+ }, options);
+ this.#imagePicker.addEventListener("click", () => {
+ this.#dialog.classList.toggle("waiting", true);
+ }, passiveOptions);
+ this.#imagePicker.addEventListener("change", async () => {
+ const file = this.#imagePicker.files?.[0];
+ if (!file || !SupportedImageMimeTypes.includes(file.type)) {
+ this.#showError("Upload");
+ this.#dialog.classList.toggle("waiting", false);
+ return;
+ }
+ await this.#extractSignature(file);
+ }, passiveOptions);
+ this.#imagePicker.addEventListener("cancel", () => {
+ this.#dialog.classList.toggle("waiting", false);
+ }, passiveOptions);
+ this.#imagePlaceholder.addEventListener("dragover", e => {
+ const {
+ dataTransfer
+ } = e;
+ for (const {
+ type
+ } of dataTransfer.items) {
+ if (!SupportedImageMimeTypes.includes(type)) {
+ continue;
+ }
+ dataTransfer.dropEffect = dataTransfer.effectAllowed === "copy" ? "copy" : "move";
+ stopEvent(e);
+ return;
+ }
+ dataTransfer.dropEffect = "none";
+ }, options);
+ this.#imagePlaceholder.addEventListener("drop", e => {
+ const {
+ dataTransfer: {
+ files
+ }
+ } = e;
+ if (!files?.length) {
+ return;
+ }
+ for (const file of files) {
+ if (SupportedImageMimeTypes.includes(file.type)) {
+ this.#extractSignature(file);
+ break;
+ }
+ }
+ stopEvent(e);
+ this.#dialog.classList.toggle("waiting", true);
+ }, options);
+ }
+ async #extractSignature(file) {
+ let data;
+ try {
+ data = await this.#uiManager.imageManager.getFromFile(file);
+ } catch (e) {
+ console.error("SignatureManager.#extractSignature.", e);
+ }
+ if (!data) {
+ this.#showError("Upload");
+ this.#dialog.classList.toggle("waiting", false);
+ return;
+ }
+ const lineData = this.#extractedSignatureData = this.#currentEditor.getFromImage(data.bitmap);
+ if (!lineData) {
+ this.#showError("NoData");
+ this.#dialog.classList.toggle("waiting", false);
+ return;
+ }
+ const {
+ outline
+ } = lineData;
+ this.#imagePlaceholder.hidden = true;
+ this.#disableButtons(true);
+ const svgFactory = new DOMSVGFactory();
+ const path = this.#imagePath = svgFactory.createElement("path");
+ this.#imageSVG.setAttribute("viewBox", outline.viewBox);
+ this.#imageSVG.setAttribute("preserveAspectRatio", "xMidYMid meet");
+ this.#imageSVG.append(path);
+ path.setAttribute("d", outline.toSVGPath());
+ this.#tabsToAltText.get("image").default = file.name;
+ if (this.#description.value === "") {
+ this.#description.value = file.name || "";
+ this.#clearDescription.disabled = this.#description.value === "";
+ }
+ this.#dialog.classList.toggle("waiting", false);
+ }
+ #getOutlineForType() {
+ return this.#currentEditor.getFromText(this.#typeInput.value, window.getComputedStyle(this.#typeInput));
+ }
+ #getOutlineForDraw() {
+ const {
+ width,
+ height
+ } = this.#drawSVG.getBoundingClientRect();
+ return this.#currentEditor.getDrawnSignature(this.#drawCurves, width, height);
+ }
+ #reportTelemetry(data) {
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "editing",
+ data
+ }
+ });
+ }
+ #addToolbarButton(signatureData, uuid, description) {
+ const {
+ curves,
+ areContours,
+ thickness,
+ width,
+ height
+ } = signatureData;
+ const maxDim = Math.max(width, height);
+ const outlineData = SignatureExtractor.processDrawnLines({
+ lines: {
+ curves,
+ thickness,
+ width,
+ height
+ },
+ pageWidth: maxDim,
+ pageHeight: maxDim,
+ rotation: 0,
+ innerMargin: 0,
+ mustSmooth: false,
+ areContours
+ });
+ if (!outlineData) {
+ return;
+ }
+ const {
+ outline
+ } = outlineData;
+ const svgFactory = new DOMSVGFactory();
+ const div = document.createElement("div");
+ const button = document.createElement("button");
+ button.addEventListener("click", () => {
+ this.#eventBus.dispatch("switchannotationeditorparams", {
+ source: this,
+ type: AnnotationEditorParamsType.CREATE,
+ value: {
+ signatureData: {
+ lines: {
+ curves,
+ thickness,
+ width,
+ height
+ },
+ mustSmooth: false,
+ areContours,
+ description,
+ uuid,
+ heightInPage: DEFAULT_HEIGHT_IN_PAGE
+ }
+ }
+ });
+ });
+ div.append(button);
+ div.classList.add("toolbarAddSignatureButtonContainer");
+ const svg = svgFactory.create(1, 1, true);
+ button.append(svg);
+ const span = document.createElement("span");
+ span.ariaHidden = true;
+ button.append(span);
+ button.classList.add("toolbarAddSignatureButton");
+ button.type = "button";
+ span.textContent = description;
+ button.setAttribute("data-l10n-id", "pdfjs-editor-add-saved-signature-button");
+ button.setAttribute("data-l10n-args", JSON.stringify({
+ description
+ }));
+ button.tabIndex = 0;
+ const path = svgFactory.createElement("path");
+ svg.append(path);
+ svg.setAttribute("viewBox", outline.viewBox);
+ svg.setAttribute("preserveAspectRatio", "xMidYMid meet");
+ if (areContours) {
+ path.classList.add("contours");
+ }
+ path.setAttribute("d", outline.toSVGPath());
+ const deleteButton = document.createElement("button");
+ div.append(deleteButton);
+ deleteButton.classList.add("toolbarButton", "deleteButton");
+ deleteButton.setAttribute("data-l10n-id", "pdfjs-editor-delete-signature-button1");
+ deleteButton.type = "button";
+ deleteButton.tabIndex = 0;
+ deleteButton.addEventListener("click", async () => {
+ if (await this.#signatureStorage.delete(uuid)) {
+ div.remove();
+ this.#reportTelemetry({
+ type: "signature",
+ action: "pdfjs.signature.delete_saved",
+ data: {
+ savedCount: await this.#signatureStorage.size()
+ }
+ });
+ }
+ });
+ const deleteSpan = document.createElement("span");
+ deleteButton.append(deleteSpan);
+ deleteSpan.setAttribute("data-l10n-id", "pdfjs-editor-delete-signature-button-label1");
+ this.#addSignatureToolbarButton.before(div);
+ }
+ async #signaturesChanged() {
+ const parent = this.#addSignatureToolbarButton.parentElement;
+ while (parent.firstElementChild !== this.#addSignatureToolbarButton) {
+ parent.firstElementChild.remove();
+ }
+ this.#loadSignaturesPromise = null;
+ await this.loadSignatures(true);
+ }
+ getSignature(params) {
+ return this.open(params);
+ }
+ async loadSignatures(reload = false) {
+ if (!this.#addSignatureToolbarButton || !reload && this.#addSignatureToolbarButton.previousElementSibling || !this.#signatureStorage) {
+ return;
+ }
+ if (!this.#loadSignaturesPromise) {
+ this.#loadSignaturesPromise = this.#signatureStorage.getAll().then(async signatures => [signatures, await Promise.all(Array.from(signatures.values(), ({
+ signatureData
+ }) => SignatureExtractor.decompressSignature(signatureData)))]);
+ if (!reload) {
+ return;
+ }
+ }
+ const [signatures, signaturesData] = await this.#loadSignaturesPromise;
+ this.#loadSignaturesPromise = null;
+ let i = 0;
+ for (const [uuid, {
+ description
+ }] of signatures) {
+ const data = signaturesData[i++];
+ if (!data) {
+ continue;
+ }
+ data.curves = data.outlines.map(points => ({
+ points
+ }));
+ delete data.outlines;
+ this.#addToolbarButton(data, uuid, description);
+ }
+ }
+ async renderEditButton(editor) {
+ const button = document.createElement("button");
+ button.classList.add("altText", "editDescription");
+ button.tabIndex = 0;
+ if (editor.description) {
+ button.title = editor.description;
+ }
+ const span = document.createElement("span");
+ button.append(span);
+ span.setAttribute("data-l10n-id", "pdfjs-editor-add-signature-edit-button-label");
+ button.addEventListener("click", () => {
+ this.#editDescriptionDialog.open(editor);
+ }, {
+ passive: true
+ });
+ return button;
+ }
+ async open({
+ uiManager,
+ editor
+ }) {
+ this.#tabsToAltText ||= new Map(this.#tabButtons.keys().map(name => [name, {
+ value: "",
+ default: ""
+ }]));
+ this.#uiManager = uiManager;
+ this.#currentEditor = editor;
+ this.#uiManager.removeEditListeners();
+ const isStorageFull = this.#isStorageFull = await this.#signatureStorage.isFull();
+ this.#saveContainer.classList.toggle("fullStorage", isStorageFull);
+ this.#saveCheckbox.checked = !isStorageFull;
+ await this.#overlayManager.open(this.#dialog);
+ const tabType = this.#tabButtons.get("type");
+ tabType.focus();
+ tabType.click();
+ }
+ #cancel() {
+ this.#finish();
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ if (this.#currentEditor._drawId === null) {
+ this.#currentEditor.remove();
+ }
+ this.#uiManager?.addEditListeners();
+ this.#currentTabAC?.abort();
+ this.#currentTabAC = null;
+ this.#uiManager = null;
+ this.#currentEditor = null;
+ this.#resetCommon();
+ for (const [name] of this.#tabButtons) {
+ this.#resetTab(name);
+ }
+ this.#disableButtons(false);
+ this.#currentTab = null;
+ this.#tabsToAltText = null;
+ }
+ async #add() {
+ let data;
+ const type = this.#currentTab;
+ switch (type) {
+ case "type":
+ data = this.#getOutlineForType();
+ break;
+ case "draw":
+ data = this.#getOutlineForDraw();
+ break;
+ case "image":
+ data = this.#extractedSignatureData;
+ break;
+ }
+ let uuid = null;
+ const description = this.#description.value;
+ if (this.#saveCheckbox.checked) {
+ const {
+ newCurves,
+ areContours,
+ thickness,
+ width,
+ height
+ } = data;
+ const signatureData = await SignatureExtractor.compressSignature({
+ outlines: newCurves,
+ areContours,
+ thickness,
+ width,
+ height
+ });
+ uuid = await this.#signatureStorage.create({
+ description,
+ signatureData
+ });
+ if (uuid) {
+ this.#addToolbarButton({
+ curves: newCurves.map(points => ({
+ points
+ })),
+ areContours,
+ thickness,
+ width,
+ height
+ }, uuid, description);
+ } else {
+ console.warn("SignatureManager.add: cannot save the signature.");
+ }
+ }
+ const altText = this.#tabsToAltText.get(type);
+ this.#reportTelemetry({
+ type: "signature",
+ action: "pdfjs.signature.created",
+ data: {
+ type,
+ saved: !!uuid,
+ savedCount: await this.#signatureStorage.size(),
+ descriptionChanged: description !== altText.default
+ }
+ });
+ this.#currentEditor.addSignature(data, DEFAULT_HEIGHT_IN_PAGE, this.#description.value, uuid);
+ this.#finish();
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#finish();
+ }
+}
+class EditDescriptionDialog {
+ #currentEditor;
+ #previousDescription;
+ #description;
+ #dialog;
+ #overlayManager;
+ #signatureSVG;
+ #uiManager;
+ constructor({
+ dialog,
+ description,
+ cancelButton,
+ updateButton,
+ editSignatureView
+ }, overlayManager) {
+ const descriptionInput = this.#description = description.firstElementChild;
+ this.#signatureSVG = editSignatureView;
+ this.#dialog = dialog;
+ this.#overlayManager = overlayManager;
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", e => {
+ if (e.target !== this.#description) {
+ e.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", this.#cancel.bind(this));
+ updateButton.addEventListener("click", this.#update.bind(this));
+ const clearDescription = description.lastElementChild;
+ clearDescription.addEventListener("click", () => {
+ descriptionInput.value = "";
+ clearDescription.disabled = true;
+ updateButton.disabled = this.#previousDescription === "";
+ });
+ descriptionInput.addEventListener("input", () => {
+ const {
+ value
+ } = descriptionInput;
+ clearDescription.disabled = value === "";
+ updateButton.disabled = value === this.#previousDescription;
+ editSignatureView.setAttribute("aria-label", value);
+ }, {
+ passive: true
+ });
+ overlayManager.register(dialog);
+ }
+ async open(editor) {
+ this.#uiManager = editor._uiManager;
+ this.#currentEditor = editor;
+ this.#previousDescription = this.#description.value = editor.description;
+ this.#description.dispatchEvent(new Event("input"));
+ this.#uiManager.removeEditListeners();
+ const {
+ areContours,
+ outline
+ } = editor.getSignaturePreview();
+ const svgFactory = new DOMSVGFactory();
+ const path = svgFactory.createElement("path");
+ this.#signatureSVG.append(path);
+ this.#signatureSVG.setAttribute("viewBox", outline.viewBox);
+ path.setAttribute("d", outline.toSVGPath());
+ if (areContours) {
+ path.classList.add("contours");
+ }
+ await this.#overlayManager.open(this.#dialog);
+ }
+ async #update() {
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.signature.edit_description",
+ data: {
+ hasBeenChanged: true
+ }
+ });
+ this.#currentEditor.description = this.#description.value;
+ this.#finish();
+ }
+ #cancel() {
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.signature.edit_description",
+ data: {
+ hasBeenChanged: false
+ }
+ });
+ this.#finish();
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ this.#uiManager?.addEditListeners();
+ this.#uiManager = null;
+ this.#currentEditor = null;
+ this.#signatureSVG.firstElementChild.remove();
+ }
+}
+
+;// ./web/toolbar.js
+
+
+class Toolbar {
+ #colorPicker = null;
+ #opts;
+ constructor(options, eventBus, toolbarDensity = 0) {
+ this.#opts = options;
+ this.eventBus = eventBus;
+ const buttons = [{
+ element: options.previous,
+ eventName: "previouspage"
+ }, {
+ element: options.next,
+ eventName: "nextpage"
+ }, {
+ element: options.zoomIn,
+ eventName: "zoomin"
+ }, {
+ element: options.zoomOut,
+ eventName: "zoomout"
+ }, {
+ element: options.print,
+ eventName: "print"
+ }, {
+ element: options.download,
+ eventName: "download"
+ }, {
+ element: options.editorCommentButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorCommentButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.POPUP;
+ }
+ }
+ }, {
+ element: options.editorFreeTextButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorFreeTextButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.FREETEXT;
+ }
+ }
+ }, {
+ element: options.editorHighlightButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorHighlightButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.HIGHLIGHT;
+ }
+ }
+ }, {
+ element: options.editorInkButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorInkButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.INK;
+ }
+ }
+ }, {
+ element: options.editorStampButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorStampButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.STAMP;
+ }
+ },
+ telemetry: {
+ type: "editing",
+ data: {
+ action: "pdfjs.image.icon_click"
+ }
+ }
+ }, {
+ element: options.editorSignatureButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorSignatureButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.SIGNATURE;
+ }
+ }
+ }];
+ this.#bindListeners(buttons);
+ this.#updateToolbarDensity({
+ value: toolbarDensity
+ });
+ this.reset();
+ }
+ #updateToolbarDensity({
+ value
+ }) {
+ let name = "normal";
+ switch (value) {
+ case 1:
+ name = "compact";
+ break;
+ case 2:
+ name = "touch";
+ break;
+ }
+ document.documentElement.setAttribute("data-toolbar-density", name);
+ }
+ setPageNumber(pageNumber, pageLabel) {
+ this.pageNumber = pageNumber;
+ this.pageLabel = pageLabel;
+ this.#updateUIState(false);
+ }
+ setPagesCount(pagesCount, hasPageLabels) {
+ this.pagesCount = pagesCount;
+ this.hasPageLabels = hasPageLabels;
+ this.#updateUIState(true);
+ }
+ setPageScale(pageScaleValue, pageScale) {
+ this.pageScaleValue = (pageScaleValue || pageScale).toString();
+ this.pageScale = pageScale;
+ this.#updateUIState(false);
+ }
+ reset() {
+ this.#colorPicker = null;
+ this.pageNumber = 0;
+ this.pageLabel = null;
+ this.hasPageLabels = false;
+ this.pagesCount = 0;
+ this.pageScaleValue = DEFAULT_SCALE_VALUE;
+ this.pageScale = DEFAULT_SCALE;
+ this.#updateUIState(true);
+ this.updateLoadingIndicatorState();
+ this.#editorModeChanged({
+ mode: AnnotationEditorType.DISABLE
+ });
+ }
+ #bindListeners(buttons) {
+ const {
+ eventBus
+ } = this;
+ const {
+ editorHighlightColorPicker,
+ editorHighlightButton,
+ pageNumber,
+ scaleSelect
+ } = this.#opts;
+ const self = this;
+ for (const {
+ element,
+ eventName,
+ eventDetails,
+ telemetry
+ } of buttons) {
+ element.addEventListener("click", evt => {
+ if (eventName !== null) {
+ eventBus.dispatch(eventName, {
+ source: this,
+ ...eventDetails,
+ isFromKeyboard: evt.detail === 0
+ });
+ }
+ if (telemetry) {
+ eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: telemetry
+ });
+ }
+ });
+ }
+ pageNumber.addEventListener("click", function () {
+ this.select();
+ });
+ pageNumber.addEventListener("change", function () {
+ eventBus.dispatch("pagenumberchanged", {
+ source: self,
+ value: this.value
+ });
+ });
+ scaleSelect.addEventListener("change", function () {
+ if (this.value === "custom") {
+ return;
+ }
+ eventBus.dispatch("scalechanged", {
+ source: self,
+ value: this.value
+ });
+ });
+ scaleSelect.addEventListener("click", function ({
+ target
+ }) {
+ if (this.value === self.pageScaleValue && target.tagName.toUpperCase() === "OPTION") {
+ this.blur();
+ }
+ });
+ scaleSelect.oncontextmenu = noContextMenu;
+ eventBus._on("annotationeditormodechanged", this.#editorModeChanged.bind(this));
+ eventBus._on("showannotationeditorui", ({
+ mode
+ }) => {
+ switch (mode) {
+ case AnnotationEditorType.HIGHLIGHT:
+ editorHighlightButton.click();
+ break;
+ }
+ });
+ eventBus._on("toolbardensity", this.#updateToolbarDensity.bind(this));
+ if (editorHighlightColorPicker) {
+ eventBus._on("annotationeditoruimanager", ({
+ uiManager
+ }) => {
+ const cp = this.#colorPicker = new ColorPicker({
+ uiManager
+ });
+ uiManager.setMainHighlightColorPicker(cp);
+ editorHighlightColorPicker.append(cp.renderMainDropdown());
+ });
+ eventBus._on("mainhighlightcolorpickerupdatecolor", ({
+ value
+ }) => {
+ this.#colorPicker?.updateColor(value);
+ });
+ }
+ }
+ #editorModeChanged({
+ mode
+ }) {
+ const {
+ editorCommentButton,
+ editorCommentParamsToolbar,
+ editorFreeTextButton,
+ editorFreeTextParamsToolbar,
+ editorHighlightButton,
+ editorHighlightParamsToolbar,
+ editorInkButton,
+ editorInkParamsToolbar,
+ editorStampButton,
+ editorStampParamsToolbar,
+ editorSignatureButton,
+ editorSignatureParamsToolbar
+ } = this.#opts;
+ toggleExpandedBtn(editorCommentButton, mode === AnnotationEditorType.POPUP, editorCommentParamsToolbar);
+ toggleExpandedBtn(editorFreeTextButton, mode === AnnotationEditorType.FREETEXT, editorFreeTextParamsToolbar);
+ toggleExpandedBtn(editorHighlightButton, mode === AnnotationEditorType.HIGHLIGHT, editorHighlightParamsToolbar);
+ toggleExpandedBtn(editorInkButton, mode === AnnotationEditorType.INK, editorInkParamsToolbar);
+ toggleExpandedBtn(editorStampButton, mode === AnnotationEditorType.STAMP, editorStampParamsToolbar);
+ toggleExpandedBtn(editorSignatureButton, mode === AnnotationEditorType.SIGNATURE, editorSignatureParamsToolbar);
+ editorCommentButton.disabled = editorFreeTextButton.disabled = editorHighlightButton.disabled = editorInkButton.disabled = editorStampButton.disabled = editorSignatureButton.disabled = mode === AnnotationEditorType.DISABLE;
+ }
+ #updateUIState(resetNumPages = false) {
+ const {
+ pageNumber,
+ pagesCount,
+ pageScaleValue,
+ pageScale
+ } = this;
+ const opts = this.#opts;
+ if (resetNumPages) {
+ if (this.hasPageLabels) {
+ opts.pageNumber.type = "text";
+ opts.numPages.setAttribute("data-l10n-id", "pdfjs-page-of-pages");
+ } else {
+ opts.pageNumber.type = "number";
+ opts.numPages.setAttribute("data-l10n-id", "pdfjs-of-pages");
+ opts.numPages.setAttribute("data-l10n-args", JSON.stringify({
+ pagesCount
+ }));
+ }
+ opts.pageNumber.max = pagesCount;
+ }
+ if (this.hasPageLabels) {
+ opts.pageNumber.value = this.pageLabel;
+ opts.numPages.setAttribute("data-l10n-args", JSON.stringify({
+ pageNumber,
+ pagesCount
+ }));
+ } else {
+ opts.pageNumber.value = pageNumber;
+ }
+ opts.previous.disabled = pageNumber <= 1;
+ opts.next.disabled = pageNumber >= pagesCount;
+ opts.zoomOut.disabled = pageScale <= MIN_SCALE;
+ opts.zoomIn.disabled = pageScale >= MAX_SCALE;
+ let predefinedValueFound = false;
+ for (const option of opts.scaleSelect.options) {
+ if (option.value !== pageScaleValue) {
+ option.selected = false;
+ continue;
+ }
+ option.selected = true;
+ predefinedValueFound = true;
+ }
+ if (!predefinedValueFound) {
+ opts.customScaleOption.selected = true;
+ opts.customScaleOption.setAttribute("data-l10n-args", JSON.stringify({
+ scale: Math.round(pageScale * 10000) / 100
+ }));
+ }
+ }
+ updateLoadingIndicatorState(loading = false) {
+ const {
+ pageNumber
+ } = this.#opts;
+ pageNumber.classList.toggle("loading", loading);
+ }
+}
+
+;// ./web/view_history.js
+const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
+class ViewHistory {
+ constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) {
+ this.fingerprint = fingerprint;
+ this.cacheSize = cacheSize;
+ this._initializedPromise = this._readFromStorage().then(databaseStr => {
+ const database = JSON.parse(databaseStr || "{}");
+ let index = -1;
+ if (!Array.isArray(database.files)) {
+ database.files = [];
+ } else {
+ while (database.files.length >= this.cacheSize) {
+ database.files.shift();
+ }
+ for (let i = 0, ii = database.files.length; i < ii; i++) {
+ const branch = database.files[i];
+ if (branch.fingerprint === this.fingerprint) {
+ index = i;
+ break;
+ }
+ }
+ }
+ if (index === -1) {
+ index = database.files.push({
+ fingerprint: this.fingerprint
+ }) - 1;
+ }
+ this.file = database.files[index];
+ this.database = database;
+ });
+ }
+ async _writeToStorage() {
+ const databaseStr = JSON.stringify(this.database);
+ localStorage.setItem("pdfjs.history", databaseStr);
+ }
+ async _readFromStorage() {
+ return localStorage.getItem("pdfjs.history");
+ }
+ async set(name, val) {
+ await this._initializedPromise;
+ this.file[name] = val;
+ return this._writeToStorage();
+ }
+ async setMultiple(properties) {
+ await this._initializedPromise;
+ for (const name in properties) {
+ this.file[name] = properties[name];
+ }
+ return this._writeToStorage();
+ }
+ async get(name, defaultValue) {
+ await this._initializedPromise;
+ const val = this.file[name];
+ return val !== undefined ? val : defaultValue;
+ }
+ async getMultiple(properties) {
+ await this._initializedPromise;
+ const values = Object.create(null);
+ for (const name in properties) {
+ const val = this.file[name];
+ values[name] = val !== undefined ? val : properties[name];
+ }
+ return values;
+ }
+}
+
+;// ./web/app.js
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+const FORCE_PAGES_LOADED_TIMEOUT = 10000;
+const ViewOnLoad = {
+ UNKNOWN: -1,
+ PREVIOUS: 0,
+ INITIAL: 1
+};
+const PDFViewerApplication = {
+ initialBookmark: document.location.hash.substring(1),
+ _initializedCapability: {
+ ...Promise.withResolvers(),
+ settled: false
+ },
+ appConfig: null,
+ pdfDocument: null,
+ pdfLoadingTask: null,
+ printService: null,
+ pdfViewer: null,
+ pdfThumbnailViewer: null,
+ pdfRenderingQueue: null,
+ pdfPresentationMode: null,
+ pdfDocumentProperties: null,
+ pdfLinkService: null,
+ pdfHistory: null,
+ pdfSidebar: null,
+ pdfOutlineViewer: null,
+ pdfAttachmentViewer: null,
+ pdfLayerViewer: null,
+ pdfCursorTools: null,
+ pdfScriptingManager: null,
+ store: null,
+ downloadManager: null,
+ overlayManager: null,
+ preferences: new Preferences(),
+ toolbar: null,
+ secondaryToolbar: null,
+ eventBus: null,
+ l10n: null,
+ annotationEditorParams: null,
+ imageAltTextSettings: null,
+ isInitialViewSet: false,
+ isViewerEmbedded: window.parent !== window,
+ url: "",
+ baseUrl: "",
+ mlManager: null,
+ _downloadUrl: "",
+ _eventBusAbortController: null,
+ _windowAbortController: null,
+ _globalAbortController: new AbortController(),
+ documentInfo: null,
+ metadata: null,
+ _contentDispositionFilename: null,
+ _contentLength: null,
+ _saveInProgress: false,
+ _wheelUnusedTicks: 0,
+ _wheelUnusedFactor: 1,
+ _touchManager: null,
+ _touchUnusedTicks: 0,
+ _touchUnusedFactor: 1,
+ _PDFBug: null,
+ _hasAnnotationEditors: false,
+ _title: document.title,
+ _printAnnotationStoragePromise: null,
+ _isCtrlKeyDown: false,
+ _caretBrowsing: null,
+ _isScrolling: false,
+ editorUndoBar: null,
+ _printPermissionPromise: null,
+ async initialize(appConfig) {
+ this.appConfig = appConfig;
+ try {
+ await this.preferences.initializedPromise;
+ } catch (ex) {
+ console.error("initialize:", ex);
+ }
+ if (AppOptions.get("pdfBugEnabled")) {
+ await this._parseHashParams();
+ }
+ let mode;
+ switch (AppOptions.get("viewerCssTheme")) {
+ case 1:
+ mode = "light";
+ break;
+ case 2:
+ mode = "dark";
+ break;
+ }
+ if (mode) {
+ docStyle.setProperty("color-scheme", mode);
+ }
+ this.l10n = await this.externalServices.createL10n();
+ document.getElementsByTagName("html")[0].dir = this.l10n.getDirection();
+ this.l10n.translate(appConfig.appContainer || document.documentElement);
+ if (this.isViewerEmbedded && AppOptions.get("externalLinkTarget") === LinkTarget.NONE) {
+ AppOptions.set("externalLinkTarget", LinkTarget.TOP);
+ }
+ await this._initializeViewerComponents();
+ this.bindEvents();
+ this.bindWindowEvents();
+ this._initializedCapability.settled = true;
+ this._initializedCapability.resolve();
+ },
+ async _parseHashParams() {
+ const hash = document.location.hash.substring(1);
+ if (!hash) {
+ return;
+ }
+ const {
+ mainContainer,
+ viewerContainer
+ } = this.appConfig,
+ params = parseQueryString(hash);
+ const loadPDFBug = async () => {
+ if (this._PDFBug) {
+ return;
+ }
+ const {
+ PDFBug
+ } = await import(
+ /*webpackIgnore: true*/
+ /*@vite-ignore*/
+ AppOptions.get("debuggerSrc"));
+ this._PDFBug = PDFBug;
+ };
+ if (params.get("disableworker") === "true") {
+ try {
+ GlobalWorkerOptions.workerSrc ||= AppOptions.get("workerSrc");
+ await import(
+ /*webpackIgnore: true*/
+ /*@vite-ignore*/
+ PDFWorker.workerSrc);
+ AppOptions.set("workerPort", null);
+ } catch (ex) {
+ console.error("_parseHashParams:", ex);
+ }
+ }
+ if (params.has("textlayer")) {
+ switch (params.get("textlayer")) {
+ case "off":
+ AppOptions.set("textLayerMode", TextLayerMode.DISABLE);
+ break;
+ case "visible":
+ case "shadow":
+ case "hover":
+ viewerContainer.classList.add(`textLayer-${params.get("textlayer")}`);
+ try {
+ await loadPDFBug();
+ this._PDFBug.loadCSS();
+ } catch (ex) {
+ console.error("_parseHashParams:", ex);
+ }
+ break;
+ }
+ }
+ if (params.has("pdfbug")) {
+ const enabled = params.get("pdfbug").split(",");
+ try {
+ await loadPDFBug();
+ this._PDFBug.init(mainContainer, enabled);
+ } catch (ex) {
+ console.error("_parseHashParams:", ex);
+ }
+ const debugOpts = {
+ pdfBug: true,
+ fontExtraProperties: true
+ };
+ if (globalThis.StepperManager?.enabled) {
+ debugOpts.minDurationToUpdateCanvas = 0;
+ }
+ AppOptions.setAll(debugOpts);
+ }
+ if (params.has("locale")) {
+ AppOptions.set("localeProperties", {
+ lang: params.get("locale")
+ });
+ }
+ const opts = {
+ disableAutoFetch: x => x === "true",
+ disableFontFace: x => x === "true",
+ disableHistory: x => x === "true",
+ disableRange: x => x === "true",
+ disableStream: x => x === "true",
+ verbosity: x => x | 0
+ };
+ for (const name in opts) {
+ const check = opts[name],
+ key = name.toLowerCase();
+ if (params.has(key)) {
+ AppOptions.set(name, check(params.get(key)));
+ }
+ }
+ },
+ async _initializeViewerComponents() {
+ const {
+ appConfig,
+ externalServices,
+ l10n,
+ mlManager
+ } = this;
+ const abortSignal = this._globalAbortController.signal;
+ const eventBus = new EventBus();
+ this.eventBus = AppOptions.eventBus = eventBus;
+ mlManager?.setEventBus(eventBus, abortSignal);
+ const overlayManager = this.overlayManager = new OverlayManager();
+ const renderingQueue = this.pdfRenderingQueue = new PDFRenderingQueue();
+ renderingQueue.onIdle = this._cleanup.bind(this);
+ const linkService = this.pdfLinkService = new PDFLinkService({
+ eventBus,
+ externalLinkTarget: AppOptions.get("externalLinkTarget"),
+ externalLinkRel: AppOptions.get("externalLinkRel"),
+ ignoreDestinationZoom: AppOptions.get("ignoreDestinationZoom")
+ });
+ const downloadManager = this.downloadManager = new DownloadManager();
+ const findController = this.findController = new PDFFindController({
+ linkService,
+ eventBus,
+ updateMatchesCountOnProgress: true
+ });
+ const pdfScriptingManager = this.pdfScriptingManager = new PDFScriptingManager({
+ eventBus,
+ externalServices,
+ docProperties: this._scriptingDocProperties.bind(this)
+ });
+ const container = appConfig.mainContainer,
+ viewer = appConfig.viewerContainer;
+ const annotationEditorMode = AppOptions.get("annotationEditorMode");
+ const hasForcedColors = AppOptions.get("forcePageColors") || window.matchMedia("(forced-colors: active)").matches;
+ const pageColors = hasForcedColors ? {
+ background: AppOptions.get("pageColorsBackground"),
+ foreground: AppOptions.get("pageColorsForeground")
+ } : null;
+ let altTextManager;
+ if (AppOptions.get("enableUpdatedAddImage")) {
+ altTextManager = appConfig.newAltTextDialog ? new NewAltTextManager(appConfig.newAltTextDialog, overlayManager, eventBus) : null;
+ } else {
+ altTextManager = appConfig.altTextDialog ? new AltTextManager(appConfig.altTextDialog, container, overlayManager, eventBus) : null;
+ }
+ if (appConfig.editorUndoBar) {
+ this.editorUndoBar = new EditorUndoBar(appConfig.editorUndoBar, eventBus);
+ }
+ const signatureManager = AppOptions.get("enableSignatureEditor") && appConfig.addSignatureDialog ? new SignatureManager(appConfig.addSignatureDialog, appConfig.editSignatureDialog, appConfig.annotationEditorParams?.editorSignatureAddSignature || null, overlayManager, l10n, externalServices.createSignatureStorage(eventBus, abortSignal), eventBus) : null;
+ const ltr = appConfig.viewerContainer ? getComputedStyle(appConfig.viewerContainer).direction === "ltr" : true;
+ const commentManager = AppOptions.get("enableComment") && appConfig.editCommentDialog ? new CommentManager(appConfig.editCommentDialog, {
+ learnMoreUrl: AppOptions.get("commentLearnMoreUrl"),
+ sidebar: appConfig.annotationEditorParams?.editorCommentsSidebar || null,
+ sidebarResizer: appConfig.annotationEditorParams?.editorCommentsSidebarResizer || null,
+ commentsList: appConfig.annotationEditorParams?.editorCommentsSidebarList || null,
+ commentCount: appConfig.annotationEditorParams?.editorCommentsSidebarCount || null,
+ sidebarTitle: appConfig.annotationEditorParams?.editorCommentsSidebarTitle || null,
+ closeButton: appConfig.annotationEditorParams?.editorCommentsSidebarCloseButton || null,
+ commentToolbarButton: appConfig.toolbar?.editorCommentButton || null
+ }, eventBus, linkService, overlayManager, ltr, hasForcedColors) : null;
+ const enableHWA = AppOptions.get("enableHWA"),
+ maxCanvasPixels = AppOptions.get("maxCanvasPixels"),
+ maxCanvasDim = AppOptions.get("maxCanvasDim"),
+ capCanvasAreaFactor = AppOptions.get("capCanvasAreaFactor");
+ const pdfViewer = this.pdfViewer = new PDFViewer({
+ container,
+ viewer,
+ viewerAlert: appConfig.viewerAlert,
+ eventBus,
+ renderingQueue,
+ linkService,
+ downloadManager,
+ altTextManager,
+ commentManager,
+ signatureManager,
+ editorUndoBar: this.editorUndoBar,
+ findController,
+ scriptingManager: AppOptions.get("enableScripting") && pdfScriptingManager,
+ l10n,
+ textLayerMode: AppOptions.get("textLayerMode"),
+ annotationMode: AppOptions.get("annotationMode"),
+ annotationEditorMode,
+ annotationEditorHighlightColors: AppOptions.get("highlightEditorColors"),
+ enableHighlightFloatingButton: AppOptions.get("enableHighlightFloatingButton"),
+ enableUpdatedAddImage: AppOptions.get("enableUpdatedAddImage"),
+ enableNewAltTextWhenAddingImage: AppOptions.get("enableNewAltTextWhenAddingImage"),
+ imageResourcesPath: AppOptions.get("imageResourcesPath"),
+ enablePrintAutoRotate: AppOptions.get("enablePrintAutoRotate"),
+ maxCanvasPixels,
+ maxCanvasDim,
+ capCanvasAreaFactor,
+ enableDetailCanvas: AppOptions.get("enableDetailCanvas"),
+ enablePermissions: AppOptions.get("enablePermissions"),
+ enableOptimizedPartialRendering: AppOptions.get("enableOptimizedPartialRendering"),
+ pageColors,
+ mlManager,
+ abortSignal,
+ enableHWA,
+ supportsPinchToZoom: this.supportsPinchToZoom,
+ enableAutoLinking: AppOptions.get("enableAutoLinking"),
+ minDurationToUpdateCanvas: AppOptions.get("minDurationToUpdateCanvas")
+ });
+ renderingQueue.setViewer(pdfViewer);
+ linkService.setViewer(pdfViewer);
+ pdfScriptingManager.setViewer(pdfViewer);
+ if (appConfig.sidebar?.thumbnailView) {
+ this.pdfThumbnailViewer = new PDFThumbnailViewer({
+ container: appConfig.sidebar.thumbnailView,
+ eventBus,
+ renderingQueue,
+ linkService,
+ maxCanvasPixels,
+ maxCanvasDim,
+ pageColors,
+ abortSignal,
+ enableHWA
+ });
+ renderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
+ }
+ if (!this.isViewerEmbedded && !AppOptions.get("disableHistory")) {
+ this.pdfHistory = new PDFHistory({
+ linkService,
+ eventBus
+ });
+ linkService.setHistory(this.pdfHistory);
+ }
+ if (!this.supportsIntegratedFind && appConfig.findBar) {
+ this.findBar = new PDFFindBar(appConfig.findBar, appConfig.principalContainer, eventBus);
+ }
+ if (appConfig.annotationEditorParams) {
+ if (annotationEditorMode !== AnnotationEditorType.DISABLE) {
+ const editorSignatureButton = appConfig.toolbar?.editorSignatureButton;
+ if (editorSignatureButton && AppOptions.get("enableSignatureEditor")) {
+ editorSignatureButton.parentElement.hidden = false;
+ }
+ const editorCommentButton = appConfig.toolbar?.editorCommentButton;
+ if (editorCommentButton && AppOptions.get("enableComment")) {
+ editorCommentButton.parentElement.hidden = false;
+ }
+ this.annotationEditorParams = new AnnotationEditorParams(appConfig.annotationEditorParams, eventBus);
+ } else {
+ for (const id of ["editorModeButtons", "editorModeSeparator"]) {
+ document.getElementById(id)?.classList.add("hidden");
+ }
+ }
+ }
+ if (mlManager && appConfig.secondaryToolbar?.imageAltTextSettingsButton) {
+ this.imageAltTextSettings = new ImageAltTextSettings(appConfig.altTextSettingsDialog, overlayManager, eventBus, mlManager);
+ }
+ if (appConfig.documentProperties) {
+ this.pdfDocumentProperties = new PDFDocumentProperties(appConfig.documentProperties, overlayManager, eventBus, l10n, () => this._docFilename, () => this._docTitle);
+ }
+ if (appConfig.secondaryToolbar?.cursorHandToolButton) {
+ this.pdfCursorTools = new PDFCursorTools({
+ container,
+ eventBus,
+ cursorToolOnLoad: AppOptions.get("cursorToolOnLoad")
+ });
+ }
+ if (appConfig.toolbar) {
+ this.toolbar = new Toolbar(appConfig.toolbar, eventBus, AppOptions.get("toolbarDensity"));
+ }
+ if (appConfig.secondaryToolbar) {
+ if (AppOptions.get("enableAltText")) {
+ appConfig.secondaryToolbar.imageAltTextSettingsButton?.classList.remove("hidden");
+ appConfig.secondaryToolbar.imageAltTextSettingsSeparator?.classList.remove("hidden");
+ }
+ this.secondaryToolbar = new SecondaryToolbar(appConfig.secondaryToolbar, eventBus);
+ }
+ if (this.supportsFullscreen && appConfig.secondaryToolbar?.presentationModeButton) {
+ this.pdfPresentationMode = new PDFPresentationMode({
+ container,
+ pdfViewer,
+ eventBus
+ });
+ }
+ if (appConfig.passwordOverlay) {
+ this.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay, overlayManager, this.isViewerEmbedded);
+ }
+ if (appConfig.sidebar?.outlineView) {
+ this.pdfOutlineViewer = new PDFOutlineViewer({
+ container: appConfig.sidebar.outlineView,
+ eventBus,
+ l10n,
+ linkService,
+ downloadManager
+ });
+ }
+ if (appConfig.sidebar?.attachmentsView) {
+ this.pdfAttachmentViewer = new PDFAttachmentViewer({
+ container: appConfig.sidebar.attachmentsView,
+ eventBus,
+ l10n,
+ downloadManager
+ });
+ }
+ if (appConfig.sidebar?.layersView) {
+ this.pdfLayerViewer = new PDFLayerViewer({
+ container: appConfig.sidebar.layersView,
+ eventBus,
+ l10n
+ });
+ }
+ if (appConfig.sidebar) {
+ this.pdfSidebar = new PDFSidebar({
+ elements: appConfig.sidebar,
+ eventBus,
+ l10n
+ });
+ this.pdfSidebar.onToggled = this.forceRendering.bind(this);
+ this.pdfSidebar.onUpdateThumbnails = () => {
+ for (const pageView of pdfViewer.getCachedPageViews()) {
+ if (pageView.renderingState === RenderingStates.FINISHED) {
+ this.pdfThumbnailViewer.getThumbnail(pageView.id - 1)?.setImage(pageView);
+ }
+ }
+ this.pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
+ };
+ }
+ },
+ async run(config) {
+ await this.initialize(config);
+ const {
+ appConfig,
+ eventBus
+ } = this;
+ let file;
+ const queryString = document.location.search.substring(1);
+ const params = parseQueryString(queryString);
+ file = params.get("file") ?? AppOptions.get("defaultUrl");
+ try {
+ file = new URL(decodeURIComponent(file)).href;
+ } catch {
+ file = encodeURIComponent(file).replaceAll("%2F", "/");
+ }
+ validateFileURL(file);
+ const fileInput = this._openFileInput = document.createElement("input");
+ fileInput.id = "fileInput";
+ fileInput.hidden = true;
+ fileInput.type = "file";
+ fileInput.value = null;
+ document.body.append(fileInput);
+ fileInput.addEventListener("change", function (evt) {
+ const {
+ files
+ } = evt.target;
+ if (!files || files.length === 0) {
+ return;
+ }
+ eventBus.dispatch("fileinputchange", {
+ source: this,
+ fileInput: evt.target
+ });
+ });
+ appConfig.mainContainer.addEventListener("dragover", function (evt) {
+ for (const item of evt.dataTransfer.items) {
+ if (item.type === "application/pdf") {
+ evt.dataTransfer.dropEffect = evt.dataTransfer.effectAllowed === "copy" ? "copy" : "move";
+ stopEvent(evt);
+ return;
+ }
+ }
+ });
+ appConfig.mainContainer.addEventListener("drop", function (evt) {
+ if (evt.dataTransfer.files?.[0].type !== "application/pdf") {
+ return;
+ }
+ stopEvent(evt);
+ eventBus.dispatch("fileinputchange", {
+ source: this,
+ fileInput: evt.dataTransfer
+ });
+ });
+ if (!AppOptions.get("supportsDocumentFonts")) {
+ AppOptions.set("disableFontFace", true);
+ this.l10n.get("pdfjs-web-fonts-disabled").then(msg => {
+ console.warn(msg);
+ });
+ }
+ const togglePrintingButtons = visible => {
+ appConfig.toolbar?.print?.classList.toggle("hidden", !visible);
+ appConfig.secondaryToolbar?.printButton.classList.toggle("hidden", !visible);
+ };
+ if (!this.supportsPrinting) {
+ togglePrintingButtons(false);
+ } else {
+ eventBus.on("printingallowed", ({
+ isAllowed
+ }) => togglePrintingButtons(isAllowed));
+ }
+ if (!this.supportsFullscreen) {
+ appConfig.secondaryToolbar?.presentationModeButton.classList.add("hidden");
+ }
+ if (this.supportsIntegratedFind) {
+ appConfig.findBar?.toggleButton?.classList.add("hidden");
+ }
+ if (file) {
+ this.open({
+ url: file
+ });
+ } else {
+ this._hideViewBookmark();
+ }
+ },
+ get externalServices() {
+ return shadow(this, "externalServices", new ExternalServices());
+ },
+ get initialized() {
+ return this._initializedCapability.settled;
+ },
+ get initializedPromise() {
+ return this._initializedCapability.promise;
+ },
+ updateZoom(steps, scaleFactor, origin) {
+ if (this.pdfViewer.isInPresentationMode) {
+ return;
+ }
+ this.pdfViewer.updateScale({
+ drawingDelay: AppOptions.get("defaultZoomDelay"),
+ steps,
+ scaleFactor,
+ origin
+ });
+ },
+ zoomIn() {
+ this.updateZoom(1);
+ },
+ zoomOut() {
+ this.updateZoom(-1);
+ },
+ zoomReset() {
+ if (this.pdfViewer.isInPresentationMode) {
+ return;
+ }
+ this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
+ },
+ touchPinchCallback(origin, prevDistance, distance) {
+ if (this.supportsPinchToZoom) {
+ const newScaleFactor = this._accumulateFactor(this.pdfViewer.currentScale, distance / prevDistance, "_touchUnusedFactor");
+ this.updateZoom(null, newScaleFactor, origin);
+ } else {
+ const PIXELS_PER_LINE_SCALE = 30;
+ const ticks = this._accumulateTicks((distance - prevDistance) / PIXELS_PER_LINE_SCALE, "_touchUnusedTicks");
+ this.updateZoom(ticks, null, origin);
+ }
+ },
+ touchPinchEndCallback() {
+ this._touchUnusedTicks = 0;
+ this._touchUnusedFactor = 1;
+ },
+ get pagesCount() {
+ return this.pdfDocument ? this.pdfDocument.numPages : 0;
+ },
+ get page() {
+ return this.pdfViewer.currentPageNumber;
+ },
+ set page(val) {
+ this.pdfViewer.currentPageNumber = val;
+ },
+ get supportsPrinting() {
+ return shadow(this, "supportsPrinting", AppOptions.get("supportsPrinting") && PDFPrintServiceFactory.supportsPrinting);
+ },
+ get supportsFullscreen() {
+ return shadow(this, "supportsFullscreen", document.fullscreenEnabled);
+ },
+ get supportsPinchToZoom() {
+ return shadow(this, "supportsPinchToZoom", AppOptions.get("supportsPinchToZoom"));
+ },
+ get supportsIntegratedFind() {
+ return shadow(this, "supportsIntegratedFind", AppOptions.get("supportsIntegratedFind"));
+ },
+ get loadingBar() {
+ const barElement = document.getElementById("loadingBar");
+ const bar = barElement ? new ProgressBar(barElement) : null;
+ return shadow(this, "loadingBar", bar);
+ },
+ get supportsMouseWheelZoomCtrlKey() {
+ return shadow(this, "supportsMouseWheelZoomCtrlKey", AppOptions.get("supportsMouseWheelZoomCtrlKey"));
+ },
+ get supportsMouseWheelZoomMetaKey() {
+ return shadow(this, "supportsMouseWheelZoomMetaKey", AppOptions.get("supportsMouseWheelZoomMetaKey"));
+ },
+ get supportsCaretBrowsingMode() {
+ return AppOptions.get("supportsCaretBrowsingMode");
+ },
+ moveCaret(isUp, select) {
+ this._caretBrowsing ||= new CaretBrowsingMode(this._globalAbortController.signal, this.appConfig.mainContainer, this.appConfig.viewerContainer, this.appConfig.toolbar?.container);
+ this._caretBrowsing.moveCaret(isUp, select);
+ },
+ setTitleUsingUrl(url = "", downloadUrl = null) {
+ this.url = url;
+ this.baseUrl = updateUrlHash(url, "", true);
+ if (downloadUrl) {
+ this._downloadUrl = downloadUrl === url ? this.baseUrl : updateUrlHash(downloadUrl, "", true);
+ }
+ if (isDataScheme(url)) {
+ this._hideViewBookmark();
+ }
+ let title = pdfjs_getPdfFilenameFromUrl(url, "");
+ if (!title) {
+ try {
+ title = decodeURIComponent(getFilenameFromUrl(url));
+ } catch {}
+ }
+ this.setTitle(title || url);
+ },
+ setTitle(title = this._title) {
+ this._title = title;
+ if (this.isViewerEmbedded) {
+ return;
+ }
+ const editorIndicator = this._hasAnnotationEditors && !this.pdfRenderingQueue.printing;
+ document.title = `${editorIndicator ? "* " : ""}${title}`;
+ },
+ get _docFilename() {
+ return this._contentDispositionFilename || pdfjs_getPdfFilenameFromUrl(this.url);
+ },
+ get _docTitle() {
+ const {
+ documentInfo,
+ metadata
+ } = this;
+ const title = metadata?.get("dc:title");
+ if (title) {
+ if (title !== "Untitled" && !/[\uFFF0-\uFFFF]/g.test(title)) {
+ return title;
+ }
+ }
+ return documentInfo.Title;
+ },
+ _hideViewBookmark() {
+ const {
+ secondaryToolbar
+ } = this.appConfig;
+ secondaryToolbar?.viewBookmarkButton.classList.add("hidden");
+ if (secondaryToolbar?.presentationModeButton.classList.contains("hidden")) {
+ document.getElementById("viewBookmarkSeparator")?.classList.add("hidden");
+ }
+ },
+ async close() {
+ this._unblockDocumentLoadEvent();
+ this._hideViewBookmark();
+ if (!this.pdfLoadingTask) {
+ return;
+ }
+ if (this.pdfDocument?.annotationStorage.size > 0 && this._annotationStorageModified) {
+ try {
+ await this.save();
+ } catch {}
+ }
+ const promises = [];
+ promises.push(this.pdfLoadingTask.destroy());
+ this.pdfLoadingTask = null;
+ if (this.pdfDocument) {
+ this.pdfDocument = null;
+ this.pdfThumbnailViewer?.setDocument(null);
+ this.pdfViewer.setDocument(null);
+ this.pdfLinkService.setDocument(null);
+ this.pdfDocumentProperties?.setDocument(null);
+ }
+ this.pdfLinkService.externalLinkEnabled = true;
+ this.store = null;
+ this.isInitialViewSet = false;
+ this.url = "";
+ this.baseUrl = "";
+ this._downloadUrl = "";
+ this.documentInfo = null;
+ this.metadata = null;
+ this._contentDispositionFilename = null;
+ this._contentLength = null;
+ this._saveInProgress = false;
+ this._hasAnnotationEditors = false;
+ promises.push(this.pdfScriptingManager.destroyPromise, this.passwordPrompt.close());
+ this.setTitle();
+ this.pdfSidebar?.reset();
+ this.pdfOutlineViewer?.reset();
+ this.pdfAttachmentViewer?.reset();
+ this.pdfLayerViewer?.reset();
+ this.pdfHistory?.reset();
+ this.findBar?.reset();
+ this.toolbar?.reset();
+ this.secondaryToolbar?.reset();
+ this._PDFBug?.cleanup();
+ await Promise.all(promises);
+ },
+ async open(args) {
+ if (this.pdfLoadingTask) {
+ await this.close();
+ }
+ const workerParams = AppOptions.getAll(OptionKind.WORKER);
+ Object.assign(GlobalWorkerOptions, workerParams);
+ if (args.url) {
+ this.setTitleUsingUrl(args.originalUrl || args.url, args.url);
+ }
+ const apiParams = AppOptions.getAll(OptionKind.API);
+ const loadingTask = getDocument({
+ ...apiParams,
+ ...args
+ });
+ this.pdfLoadingTask = loadingTask;
+ loadingTask.onPassword = (updateCallback, reason) => {
+ if (this.isViewerEmbedded) {
+ this._unblockDocumentLoadEvent();
+ }
+ this.pdfLinkService.externalLinkEnabled = false;
+ this.passwordPrompt.setUpdateCallback(updateCallback, reason);
+ this.passwordPrompt.open();
+ };
+ loadingTask.onProgress = ({
+ loaded,
+ total
+ }) => {
+ this.progress(loaded / total);
+ };
+ return loadingTask.promise.then(pdfDocument => {
+ this.load(pdfDocument);
+ }, reason => {
+ if (loadingTask !== this.pdfLoadingTask) {
+ return undefined;
+ }
+ let key = "pdfjs-loading-error";
+ if (reason instanceof InvalidPDFException) {
+ key = "pdfjs-invalid-file-error";
+ } else if (reason instanceof ResponseException) {
+ key = reason.missing ? "pdfjs-missing-file-error" : "pdfjs-unexpected-response-error";
+ }
+ return this._documentError(key, {
+ message: reason.message
+ }).then(() => {
+ throw reason;
+ });
+ });
+ },
+ async download() {
+ let data;
+ try {
+ data = await (this.pdfDocument ? this.pdfDocument.getData() : this.pdfLoadingTask.getData());
+ } catch {}
+ this.downloadManager.download(data, this._downloadUrl, this._docFilename);
+ },
+ async save() {
+ if (this._saveInProgress) {
+ return;
+ }
+ this._saveInProgress = true;
+ await this.pdfScriptingManager.dispatchWillSave();
+ try {
+ const data = await this.pdfDocument.saveDocument();
+ this.downloadManager.download(data, this._downloadUrl, this._docFilename);
+ } catch (reason) {
+ console.error(`Error when saving the document:`, reason);
+ await this.download();
+ } finally {
+ await this.pdfScriptingManager.dispatchDidSave();
+ this._saveInProgress = false;
+ }
+ const editorStats = this.pdfDocument?.annotationStorage.editorStats;
+ if (editorStats) {
+ this.externalServices.reportTelemetry({
+ type: "editing",
+ data: {
+ type: "save",
+ stats: editorStats
+ }
+ });
+ }
+ },
+ async downloadOrSave() {
+ const {
+ classList
+ } = this.appConfig.appContainer;
+ classList.add("wait");
+ await (this.pdfDocument?.annotationStorage.size > 0 ? this.save() : this.download());
+ classList.remove("wait");
+ },
+ async _documentError(key, moreInfo = null) {
+ this._unblockDocumentLoadEvent();
+ const message = await this._otherError(key || "pdfjs-loading-error", moreInfo);
+ this.eventBus.dispatch("documenterror", {
+ source: this,
+ message,
+ reason: moreInfo?.message ?? null
+ });
+ },
+ async _otherError(key, moreInfo = null) {
+ const message = await this.l10n.get(key);
+ const moreInfoText = [`PDF.js v${version || "?"} (build: ${build || "?"})`];
+ if (moreInfo) {
+ moreInfoText.push(`Message: ${moreInfo.message}`);
+ if (moreInfo.stack) {
+ moreInfoText.push(`Stack: ${moreInfo.stack}`);
+ } else {
+ if (moreInfo.filename) {
+ moreInfoText.push(`File: ${moreInfo.filename}`);
+ }
+ if (moreInfo.lineNumber) {
+ moreInfoText.push(`Line: ${moreInfo.lineNumber}`);
+ }
+ }
+ }
+ console.error(`${message}\n\n${moreInfoText.join("\n")}`);
+ return message;
+ },
+ progress(level) {
+ const percent = Math.round(level * 100);
+ if (!this.loadingBar || percent <= this.loadingBar.percent) {
+ return;
+ }
+ this.loadingBar.percent = percent;
+ if (this.pdfDocument?.loadingParams.disableAutoFetch ?? AppOptions.get("disableAutoFetch")) {
+ this.loadingBar.setDisableAutoFetch();
+ }
+ },
+ load(pdfDocument) {
+ this.pdfDocument = pdfDocument;
+ this._printPermissionPromise = new Promise(resolve => {
+ this.eventBus.on("printingallowed", ({
+ isAllowed
+ }) => {
+ resolve(isAllowed);
+ }, {
+ once: true
+ });
+ });
+ pdfDocument.getDownloadInfo().then(({
+ length
+ }) => {
+ this._contentLength = length;
+ this.loadingBar?.hide();
+ firstPagePromise.then(() => {
+ this.eventBus.dispatch("documentloaded", {
+ source: this
+ });
+ });
+ });
+ const pageLayoutPromise = pdfDocument.getPageLayout().catch(() => {});
+ const pageModePromise = pdfDocument.getPageMode().catch(() => {});
+ const openActionPromise = pdfDocument.getOpenAction().catch(() => {});
+ this.toolbar?.setPagesCount(pdfDocument.numPages, false);
+ this.secondaryToolbar?.setPagesCount(pdfDocument.numPages);
+ this.pdfLinkService.setDocument(pdfDocument);
+ this.pdfDocumentProperties?.setDocument(pdfDocument);
+ const pdfViewer = this.pdfViewer;
+ pdfViewer.setDocument(pdfDocument);
+ const {
+ firstPagePromise,
+ onePageRendered,
+ pagesPromise
+ } = pdfViewer;
+ this.pdfThumbnailViewer?.setDocument(pdfDocument);
+ const storedPromise = (this.store = new ViewHistory(pdfDocument.fingerprints[0])).getMultiple({
+ page: null,
+ zoom: DEFAULT_SCALE_VALUE,
+ scrollLeft: "0",
+ scrollTop: "0",
+ rotation: null,
+ sidebarView: SidebarView.UNKNOWN,
+ scrollMode: ScrollMode.UNKNOWN,
+ spreadMode: SpreadMode.UNKNOWN
+ }).catch(() => {});
+ firstPagePromise.then(pdfPage => {
+ this.loadingBar?.setWidth(this.appConfig.viewerContainer);
+ this._initializeAnnotationStorageCallbacks(pdfDocument);
+ Promise.all([animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => {
+ const viewOnLoad = AppOptions.get("viewOnLoad");
+ this._initializePdfHistory({
+ fingerprint: pdfDocument.fingerprints[0],
+ viewOnLoad,
+ initialDest: openAction?.dest
+ });
+ const initialBookmark = this.initialBookmark;
+ const zoom = AppOptions.get("defaultZoomValue");
+ let hash = zoom ? `zoom=${zoom}` : null;
+ let rotation = null;
+ let sidebarView = AppOptions.get("sidebarViewOnLoad");
+ let scrollMode = AppOptions.get("scrollModeOnLoad");
+ let spreadMode = AppOptions.get("spreadModeOnLoad");
+ if (stored?.page && viewOnLoad !== ViewOnLoad.INITIAL) {
+ hash = `page=${stored.page}&zoom=${zoom || stored.zoom},` + `${stored.scrollLeft},${stored.scrollTop}`;
+ rotation = parseInt(stored.rotation, 10);
+ if (sidebarView === SidebarView.UNKNOWN) {
+ sidebarView = stored.sidebarView | 0;
+ }
+ if (scrollMode === ScrollMode.UNKNOWN) {
+ scrollMode = stored.scrollMode | 0;
+ }
+ if (spreadMode === SpreadMode.UNKNOWN) {
+ spreadMode = stored.spreadMode | 0;
+ }
+ }
+ if (pageMode && sidebarView === SidebarView.UNKNOWN) {
+ sidebarView = apiPageModeToSidebarView(pageMode);
+ }
+ if (pageLayout && scrollMode === ScrollMode.UNKNOWN && spreadMode === SpreadMode.UNKNOWN) {
+ const modes = apiPageLayoutToViewerModes(pageLayout);
+ spreadMode = modes.spreadMode;
+ }
+ this.setInitialView(hash, {
+ rotation,
+ sidebarView,
+ scrollMode,
+ spreadMode
+ });
+ this.eventBus.dispatch("documentinit", {
+ source: this
+ });
+ await Promise.race([pagesPromise, new Promise(resolve => {
+ setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
+ })]);
+ if (!initialBookmark && !hash) {
+ return;
+ }
+ if (pdfViewer.hasEqualPageSizes) {
+ return;
+ }
+ this.initialBookmark = initialBookmark;
+ pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
+ this.setInitialView(hash);
+ }).catch(() => {
+ this.setInitialView();
+ }).then(function () {
+ pdfViewer.update();
+ });
+ });
+ pagesPromise.then(() => {
+ this._unblockDocumentLoadEvent();
+ this._initializeAutoPrint(pdfDocument, openActionPromise);
+ }, reason => {
+ this._documentError("pdfjs-loading-error", {
+ message: reason.message
+ });
+ });
+ onePageRendered.then(data => {
+ this.externalServices.reportTelemetry({
+ type: "pageInfo",
+ timestamp: data.timestamp
+ });
+ if (this.pdfOutlineViewer) {
+ pdfDocument.getOutline().then(outline => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.pdfOutlineViewer.render({
+ outline,
+ pdfDocument
+ });
+ });
+ }
+ if (this.pdfAttachmentViewer) {
+ pdfDocument.getAttachments().then(attachments => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.pdfAttachmentViewer.render({
+ attachments
+ });
+ });
+ }
+ if (this.pdfLayerViewer) {
+ pdfViewer.optionalContentConfigPromise.then(optionalContentConfig => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.pdfLayerViewer.render({
+ optionalContentConfig,
+ pdfDocument
+ });
+ });
+ }
+ });
+ this._initializePageLabels(pdfDocument);
+ this._initializeMetadata(pdfDocument);
+ },
+ async _scriptingDocProperties(pdfDocument) {
+ if (!this.documentInfo) {
+ await new Promise(resolve => {
+ this.eventBus._on("metadataloaded", resolve, {
+ once: true
+ });
+ });
+ if (pdfDocument !== this.pdfDocument) {
+ return null;
+ }
+ }
+ if (!this._contentLength) {
+ await new Promise(resolve => {
+ this.eventBus._on("documentloaded", resolve, {
+ once: true
+ });
+ });
+ if (pdfDocument !== this.pdfDocument) {
+ return null;
+ }
+ }
+ return {
+ ...this.documentInfo,
+ baseURL: this.baseUrl,
+ filesize: this._contentLength,
+ filename: this._docFilename,
+ metadata: this.metadata?.getRaw(),
+ authors: this.metadata?.get("dc:creator"),
+ numPages: this.pagesCount,
+ URL: this.url
+ };
+ },
+ async _initializeAutoPrint(pdfDocument, openActionPromise) {
+ const [openAction, jsActions] = await Promise.all([openActionPromise, this.pdfViewer.enableScripting ? null : pdfDocument.getJSActions()]);
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ let triggerAutoPrint = openAction?.action === "Print";
+ if (jsActions) {
+ console.warn("Warning: JavaScript support is not enabled");
+ for (const name in jsActions) {
+ if (triggerAutoPrint) {
+ break;
+ }
+ switch (name) {
+ case "WillClose":
+ case "WillSave":
+ case "DidSave":
+ case "WillPrint":
+ case "DidPrint":
+ continue;
+ }
+ triggerAutoPrint = jsActions[name].some(js => AutoPrintRegExp.test(js));
+ }
+ }
+ if (triggerAutoPrint) {
+ this.triggerPrinting();
+ }
+ },
+ async _initializeMetadata(pdfDocument) {
+ const {
+ info,
+ metadata,
+ contentDispositionFilename,
+ contentLength
+ } = await pdfDocument.getMetadata();
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ if (info.collectedSignatureCertificates) {
+ this.externalServices.reportTelemetry({
+ type: "signatureCertificates",
+ data: info.collectedSignatureCertificates
+ });
+ }
+ this.documentInfo = info;
+ this.metadata = metadata;
+ this._contentDispositionFilename ??= contentDispositionFilename;
+ this._contentLength ??= contentLength;
+ console.log(`PDF ${pdfDocument.fingerprints[0]} [${info.PDFFormatVersion} ` + `${(metadata?.get("pdf:producer") || info.Producer || "-").trim()} / ` + `${(metadata?.get("xmp:creatortool") || info.Creator || "-").trim()}` + `] (PDF.js: ${version || "?"} [${build || "?"}])`);
+ const pdfTitle = this._docTitle;
+ if (pdfTitle) {
+ this.setTitle(`${pdfTitle} - ${this._contentDispositionFilename || this._title}`);
+ } else if (this._contentDispositionFilename) {
+ this.setTitle(this._contentDispositionFilename);
+ }
+ if (info.IsXFAPresent && !info.IsAcroFormPresent && !pdfDocument.isPureXfa) {
+ if (pdfDocument.loadingParams.enableXfa) {
+ console.warn("Warning: XFA Foreground documents are not supported");
+ } else {
+ console.warn("Warning: XFA support is not enabled");
+ }
+ } else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderForms) {
+ console.warn("Warning: Interactive form support is not enabled");
+ }
+ if (info.IsSignaturesPresent) {
+ console.warn("Warning: Digital signatures validation is not supported");
+ }
+ this.eventBus.dispatch("metadataloaded", {
+ source: this
+ });
+ },
+ async _initializePageLabels(pdfDocument) {
+ const labels = await pdfDocument.getPageLabels();
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ if (!labels || AppOptions.get("disablePageLabels")) {
+ return;
+ }
+ const numLabels = labels.length;
+ let standardLabels = 0,
+ emptyLabels = 0;
+ for (let i = 0; i < numLabels; i++) {
+ const label = labels[i];
+ if (label === (i + 1).toString()) {
+ standardLabels++;
+ } else if (label === "") {
+ emptyLabels++;
+ } else {
+ break;
+ }
+ }
+ if (standardLabels >= numLabels || emptyLabels >= numLabels) {
+ return;
+ }
+ const {
+ pdfViewer,
+ pdfThumbnailViewer,
+ toolbar
+ } = this;
+ pdfViewer.setPageLabels(labels);
+ pdfThumbnailViewer?.setPageLabels(labels);
+ toolbar?.setPagesCount(numLabels, true);
+ toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
+ },
+ _initializePdfHistory({
+ fingerprint,
+ viewOnLoad,
+ initialDest = null
+ }) {
+ if (!this.pdfHistory) {
+ return;
+ }
+ this.pdfHistory.initialize({
+ fingerprint,
+ resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
+ updateUrl: AppOptions.get("historyUpdateUrl")
+ });
+ if (this.pdfHistory.initialBookmark) {
+ this.initialBookmark = this.pdfHistory.initialBookmark;
+ this.initialRotation = this.pdfHistory.initialRotation;
+ }
+ if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) {
+ this.initialBookmark = JSON.stringify(initialDest);
+ this.pdfHistory.push({
+ explicitDest: initialDest,
+ pageNumber: null
+ });
+ }
+ },
+ _initializeAnnotationStorageCallbacks(pdfDocument) {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ const {
+ annotationStorage
+ } = pdfDocument;
+ annotationStorage.onSetModified = () => {
+ window.addEventListener("beforeunload", beforeUnload);
+ this._annotationStorageModified = true;
+ };
+ annotationStorage.onResetModified = () => {
+ window.removeEventListener("beforeunload", beforeUnload);
+ delete this._annotationStorageModified;
+ };
+ annotationStorage.onAnnotationEditor = typeStr => {
+ this._hasAnnotationEditors = !!typeStr;
+ this.setTitle();
+ };
+ },
+ setInitialView(storedHash, {
+ rotation,
+ sidebarView,
+ scrollMode,
+ spreadMode
+ } = {}) {
+ const setRotation = angle => {
+ if (isValidRotation(angle)) {
+ this.pdfViewer.pagesRotation = angle;
+ }
+ };
+ const setViewerModes = (scroll, spread) => {
+ if (isValidScrollMode(scroll)) {
+ this.pdfViewer.scrollMode = scroll;
+ }
+ if (isValidSpreadMode(spread)) {
+ this.pdfViewer.spreadMode = spread;
+ }
+ };
+ this.isInitialViewSet = true;
+ this.pdfSidebar?.setInitialView(sidebarView);
+ setViewerModes(scrollMode, spreadMode);
+ if (this.initialBookmark) {
+ setRotation(this.initialRotation);
+ delete this.initialRotation;
+ this.pdfLinkService.setHash(this.initialBookmark);
+ this.initialBookmark = null;
+ } else if (storedHash) {
+ setRotation(rotation);
+ this.pdfLinkService.setHash(storedHash);
+ }
+ this.toolbar?.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
+ this.secondaryToolbar?.setPageNumber(this.pdfViewer.currentPageNumber);
+ if (!this.pdfViewer.currentScaleValue) {
+ this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
+ }
+ },
+ _cleanup() {
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.pdfViewer.cleanup();
+ this.pdfThumbnailViewer?.cleanup();
+ this.pdfDocument.cleanup(AppOptions.get("fontExtraProperties"));
+ },
+ forceRendering() {
+ this.pdfRenderingQueue.printing = !!this.printService;
+ this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar?.visibleView === SidebarView.THUMBS;
+ this.pdfRenderingQueue.renderHighestPriority();
+ },
+ beforePrint() {
+ this._printAnnotationStoragePromise = this.pdfScriptingManager.dispatchWillPrint().catch(() => {}).then(() => this.pdfDocument?.annotationStorage.print);
+ if (this.printService) {
+ return;
+ }
+ if (!this.supportsPrinting || !this.pdfViewer.printingAllowed) {
+ this._otherError("pdfjs-printing-not-supported");
+ return;
+ }
+ if (!this.pdfViewer.pageViewsReady) {
+ this.l10n.get("pdfjs-printing-not-ready").then(msg => {
+ window.alert(msg);
+ });
+ return;
+ }
+ this.printService = PDFPrintServiceFactory.createPrintService({
+ pdfDocument: this.pdfDocument,
+ pagesOverview: this.pdfViewer.getPagesOverview(),
+ printContainer: this.appConfig.printContainer,
+ printResolution: AppOptions.get("printResolution"),
+ printAnnotationStoragePromise: this._printAnnotationStoragePromise
+ });
+ this.forceRendering();
+ this.setTitle();
+ this.printService.layout();
+ if (this._hasAnnotationEditors) {
+ this.externalServices.reportTelemetry({
+ type: "editing",
+ data: {
+ type: "print",
+ stats: this.pdfDocument?.annotationStorage.editorStats
+ }
+ });
+ }
+ },
+ afterPrint() {
+ if (this._printAnnotationStoragePromise) {
+ this._printAnnotationStoragePromise.then(() => {
+ this.pdfScriptingManager.dispatchDidPrint();
+ });
+ this._printAnnotationStoragePromise = null;
+ }
+ if (this.printService) {
+ this.printService.destroy();
+ this.printService = null;
+ this.pdfDocument?.annotationStorage.resetModified();
+ }
+ this.forceRendering();
+ this.setTitle();
+ },
+ rotatePages(delta) {
+ this.pdfViewer.pagesRotation += delta;
+ },
+ requestPresentationMode() {
+ this.pdfPresentationMode?.request();
+ },
+ async triggerPrinting() {
+ if (this.supportsPrinting && (await this._printPermissionPromise)) {
+ window.print();
+ }
+ },
+ bindEvents() {
+ if (this._eventBusAbortController) {
+ return;
+ }
+ const ac = this._eventBusAbortController = new AbortController();
+ const opts = {
+ signal: ac.signal
+ };
+ const {
+ eventBus,
+ externalServices,
+ pdfDocumentProperties,
+ pdfViewer,
+ preferences
+ } = this;
+ eventBus._on("resize", onResize.bind(this), opts);
+ eventBus._on("hashchange", onHashchange.bind(this), opts);
+ eventBus._on("beforeprint", this.beforePrint.bind(this), opts);
+ eventBus._on("afterprint", this.afterPrint.bind(this), opts);
+ eventBus._on("pagerender", onPageRender.bind(this), opts);
+ eventBus._on("pagerendered", onPageRendered.bind(this), opts);
+ eventBus._on("updateviewarea", onUpdateViewarea.bind(this), opts);
+ eventBus._on("pagechanging", onPageChanging.bind(this), opts);
+ eventBus._on("scalechanging", onScaleChanging.bind(this), opts);
+ eventBus._on("rotationchanging", onRotationChanging.bind(this), opts);
+ eventBus._on("sidebarviewchanged", onSidebarViewChanged.bind(this), opts);
+ eventBus._on("pagemode", onPageMode.bind(this), opts);
+ eventBus._on("namedaction", onNamedAction.bind(this), opts);
+ eventBus._on("presentationmodechanged", evt => pdfViewer.presentationModeState = evt.state, opts);
+ eventBus._on("presentationmode", this.requestPresentationMode.bind(this), opts);
+ eventBus._on("switchannotationeditormode", evt => pdfViewer.annotationEditorMode = evt, opts);
+ eventBus._on("print", this.triggerPrinting.bind(this), opts);
+ eventBus._on("download", this.downloadOrSave.bind(this), opts);
+ eventBus._on("firstpage", () => this.page = 1, opts);
+ eventBus._on("lastpage", () => this.page = this.pagesCount, opts);
+ eventBus._on("nextpage", () => pdfViewer.nextPage(), opts);
+ eventBus._on("previouspage", () => pdfViewer.previousPage(), opts);
+ eventBus._on("zoomin", this.zoomIn.bind(this), opts);
+ eventBus._on("zoomout", this.zoomOut.bind(this), opts);
+ eventBus._on("zoomreset", this.zoomReset.bind(this), opts);
+ eventBus._on("pagenumberchanged", onPageNumberChanged.bind(this), opts);
+ eventBus._on("scalechanged", evt => pdfViewer.currentScaleValue = evt.value, opts);
+ eventBus._on("rotatecw", this.rotatePages.bind(this, 90), opts);
+ eventBus._on("rotateccw", this.rotatePages.bind(this, -90), opts);
+ eventBus._on("optionalcontentconfig", evt => pdfViewer.optionalContentConfigPromise = evt.promise, opts);
+ eventBus._on("switchscrollmode", evt => pdfViewer.scrollMode = evt.mode, opts);
+ eventBus._on("scrollmodechanged", onViewerModesChanged.bind(this, "scrollMode"), opts);
+ eventBus._on("switchspreadmode", evt => pdfViewer.spreadMode = evt.mode, opts);
+ eventBus._on("spreadmodechanged", onViewerModesChanged.bind(this, "spreadMode"), opts);
+ eventBus._on("imagealttextsettings", onImageAltTextSettings.bind(this), opts);
+ eventBus._on("documentproperties", () => pdfDocumentProperties?.open(), opts);
+ eventBus._on("findfromurlhash", onFindFromUrlHash.bind(this), opts);
+ eventBus._on("updatefindmatchescount", onUpdateFindMatchesCount.bind(this), opts);
+ eventBus._on("updatefindcontrolstate", onUpdateFindControlState.bind(this), opts);
+ eventBus._on("fileinputchange", onFileInputChange.bind(this), opts);
+ eventBus._on("openfile", onOpenFile.bind(this), opts);
+ },
+ bindWindowEvents() {
+ if (this._windowAbortController) {
+ return;
+ }
+ this._windowAbortController = new AbortController();
+ const {
+ eventBus,
+ appConfig: {
+ mainContainer
+ },
+ pdfViewer,
+ _windowAbortController: {
+ signal
+ }
+ } = this;
+ this._touchManager = new TouchManager({
+ container: window,
+ isPinchingDisabled: () => pdfViewer.isInPresentationMode,
+ isPinchingStopped: () => this.overlayManager?.active,
+ onPinching: this.touchPinchCallback.bind(this),
+ onPinchEnd: this.touchPinchEndCallback.bind(this),
+ signal
+ });
+ function addWindowResolutionChange(evt = null) {
+ if (evt) {
+ pdfViewer.refresh();
+ }
+ const mediaQueryList = window.matchMedia(`(resolution: ${OutputScale.pixelRatio}dppx)`);
+ mediaQueryList.addEventListener("change", addWindowResolutionChange, {
+ once: true,
+ signal
+ });
+ }
+ addWindowResolutionChange();
+ window.addEventListener("wheel", onWheel.bind(this), {
+ passive: false,
+ signal
+ });
+ window.addEventListener("click", onClick.bind(this), {
+ signal
+ });
+ window.addEventListener("keydown", onKeyDown.bind(this), {
+ signal
+ });
+ window.addEventListener("keyup", onKeyUp.bind(this), {
+ signal
+ });
+ window.addEventListener("resize", () => eventBus.dispatch("resize", {
+ source: window
+ }), {
+ signal
+ });
+ window.addEventListener("hashchange", () => {
+ eventBus.dispatch("hashchange", {
+ source: window,
+ hash: document.location.hash.substring(1)
+ });
+ }, {
+ signal
+ });
+ window.addEventListener("beforeprint", () => eventBus.dispatch("beforeprint", {
+ source: window
+ }), {
+ signal
+ });
+ window.addEventListener("afterprint", () => eventBus.dispatch("afterprint", {
+ source: window
+ }), {
+ signal
+ });
+ window.addEventListener("updatefromsandbox", evt => {
+ eventBus.dispatch("updatefromsandbox", {
+ source: window,
+ detail: evt.detail
+ });
+ }, {
+ signal
+ });
+ if (!("onscrollend" in document.documentElement)) {
+ return;
+ }
+ ({
+ scrollTop: this._lastScrollTop,
+ scrollLeft: this._lastScrollLeft
+ } = mainContainer);
+ let scrollendTimeoutID, scrollAbortController;
+ const scrollend = () => {
+ ({
+ scrollTop: this._lastScrollTop,
+ scrollLeft: this._lastScrollLeft
+ } = mainContainer);
+ clearTimeout(scrollendTimeoutID);
+ if (this._isScrolling) {
+ scrollAbortController.abort();
+ scrollAbortController = null;
+ this._isScrolling = false;
+ }
+ };
+ const scroll = () => {
+ if (this._isCtrlKeyDown) {
+ return;
+ }
+ if (this._lastScrollTop === mainContainer.scrollTop && this._lastScrollLeft === mainContainer.scrollLeft) {
+ return;
+ }
+ if (!this._isScrolling) {
+ scrollAbortController = new AbortController();
+ const abortSignal = AbortSignal.any([scrollAbortController.signal, signal]);
+ mainContainer.addEventListener("scrollend", scrollend, {
+ signal: abortSignal
+ });
+ mainContainer.addEventListener("blur", scrollend, {
+ signal: abortSignal
+ });
+ this._isScrolling = true;
+ }
+ clearTimeout(scrollendTimeoutID);
+ scrollendTimeoutID = setTimeout(scrollend, 100);
+ };
+ mainContainer.addEventListener("scroll", scroll, {
+ passive: true,
+ signal
+ });
+ },
+ unbindEvents() {
+ this._eventBusAbortController?.abort();
+ this._eventBusAbortController = null;
+ },
+ unbindWindowEvents() {
+ this._windowAbortController?.abort();
+ this._windowAbortController = null;
+ this._touchManager = null;
+ },
+ async testingClose() {
+ this.unbindEvents();
+ this.unbindWindowEvents();
+ this._globalAbortController?.abort();
+ this._globalAbortController = null;
+ this.findBar?.close();
+ await Promise.all([this.l10n?.destroy(), this.close()]);
+ },
+ _accumulateTicks(ticks, prop) {
+ if (this[prop] > 0 && ticks < 0 || this[prop] < 0 && ticks > 0) {
+ this[prop] = 0;
+ }
+ this[prop] += ticks;
+ const wholeTicks = Math.trunc(this[prop]);
+ this[prop] -= wholeTicks;
+ return wholeTicks;
+ },
+ _accumulateFactor(previousScale, factor, prop) {
+ if (factor === 1) {
+ return 1;
+ }
+ if (this[prop] > 1 && factor < 1 || this[prop] < 1 && factor > 1) {
+ this[prop] = 1;
+ }
+ const newFactor = Math.floor(previousScale * factor * this[prop] * 100) / (100 * previousScale);
+ this[prop] = factor / newFactor;
+ return newFactor;
+ },
+ _unblockDocumentLoadEvent() {
+ document.blockUnblockOnload?.(false);
+ this._unblockDocumentLoadEvent = () => {};
+ },
+ get scriptingReady() {
+ return this.pdfScriptingManager.ready;
+ }
+};
+initCom(PDFViewerApplication);
+{
+ PDFPrintServiceFactory.initGlobals(PDFViewerApplication);
+}
+{
+ const HOSTED_VIEWER_ORIGINS = new Set(["null", "http://mozilla.github.io", "https://mozilla.github.io"]);
+ var validateFileURL = function (file) {
+ if (!file) {
+ return;
+ }
+ const viewerOrigin = URL.parse(window.location)?.origin || "null";
+ if (HOSTED_VIEWER_ORIGINS.has(viewerOrigin)) {
+ return;
+ }
+ const fileOrigin = URL.parse(file, window.location)?.origin;
+ if (fileOrigin === viewerOrigin) {
+ return;
+ }
+ const ex = new Error("file origin does not match viewer's");
+ PDFViewerApplication._documentError("pdfjs-loading-error", {
+ message: ex.message
+ });
+ throw ex;
+ };
+ var onFileInputChange = function (evt) {
+ if (this.pdfViewer?.isInPresentationMode) {
+ return;
+ }
+ const file = evt.fileInput.files[0];
+ this.open({
+ url: URL.createObjectURL(file),
+ originalUrl: encodeURIComponent(file.name)
+ });
+ };
+ var onOpenFile = function (evt) {
+ this._openFileInput?.click();
+ };
+}
+function onPageRender({
+ pageNumber
+}) {
+ if (pageNumber === this.page) {
+ this.toolbar?.updateLoadingIndicatorState(true);
+ }
+}
+function onPageRendered({
+ pageNumber,
+ isDetailView,
+ error
+}) {
+ if (pageNumber === this.page) {
+ this.toolbar?.updateLoadingIndicatorState(false);
+ }
+ if (!isDetailView && this.pdfSidebar?.visibleView === SidebarView.THUMBS) {
+ const pageView = this.pdfViewer.getPageView(pageNumber - 1);
+ const thumbnailView = this.pdfThumbnailViewer?.getThumbnail(pageNumber - 1);
+ if (pageView) {
+ thumbnailView?.setImage(pageView);
+ }
+ }
+ if (error) {
+ this._otherError("pdfjs-rendering-error", error);
+ }
+}
+function onPageMode({
+ mode
+}) {
+ let view;
+ switch (mode) {
+ case "thumbs":
+ view = SidebarView.THUMBS;
+ break;
+ case "bookmarks":
+ case "outline":
+ view = SidebarView.OUTLINE;
+ break;
+ case "attachments":
+ view = SidebarView.ATTACHMENTS;
+ break;
+ case "layers":
+ view = SidebarView.LAYERS;
+ break;
+ case "none":
+ view = SidebarView.NONE;
+ break;
+ default:
+ console.error('Invalid "pagemode" hash parameter: ' + mode);
+ return;
+ }
+ this.pdfSidebar?.switchView(view, true);
+}
+function onNamedAction(evt) {
+ switch (evt.action) {
+ case "GoToPage":
+ this.appConfig.toolbar?.pageNumber.select();
+ break;
+ case "Find":
+ if (!this.supportsIntegratedFind) {
+ this.findBar?.toggle();
+ }
+ break;
+ case "Print":
+ this.triggerPrinting();
+ break;
+ case "SaveAs":
+ this.downloadOrSave();
+ break;
+ }
+}
+function onSidebarViewChanged({
+ view
+}) {
+ this.pdfRenderingQueue.isThumbnailViewEnabled = view === SidebarView.THUMBS;
+ if (this.isInitialViewSet) {
+ this.store?.set("sidebarView", view).catch(() => {});
+ }
+}
+function onUpdateViewarea({
+ location
+}) {
+ if (this.isInitialViewSet) {
+ this.store?.setMultiple({
+ page: location.pageNumber,
+ zoom: location.scale,
+ scrollLeft: location.left,
+ scrollTop: location.top,
+ rotation: location.rotation
+ }).catch(() => {});
+ }
+ if (this.appConfig.secondaryToolbar) {
+ this.appConfig.secondaryToolbar.viewBookmarkButton.href = this.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
+ }
+}
+function onViewerModesChanged(name, evt) {
+ if (this.isInitialViewSet && !this.pdfViewer.isInPresentationMode) {
+ this.store?.set(name, evt.mode).catch(() => {});
+ }
+}
+function onResize() {
+ const {
+ pdfDocument,
+ pdfViewer,
+ pdfRenderingQueue
+ } = this;
+ if (pdfRenderingQueue.printing && window.matchMedia("print").matches) {
+ return;
+ }
+ if (!pdfDocument) {
+ return;
+ }
+ const currentScaleValue = pdfViewer.currentScaleValue;
+ if (currentScaleValue === "auto" || currentScaleValue === "page-fit" || currentScaleValue === "page-width") {
+ pdfViewer.currentScaleValue = currentScaleValue;
+ }
+ pdfViewer.update();
+}
+function onHashchange(evt) {
+ const hash = evt.hash;
+ if (!hash) {
+ return;
+ }
+ if (!this.isInitialViewSet) {
+ this.initialBookmark = hash;
+ } else if (!this.pdfHistory?.popStateInProgress) {
+ this.pdfLinkService.setHash(hash);
+ }
+}
+function onPageNumberChanged(evt) {
+ const {
+ pdfViewer
+ } = this;
+ if (evt.value !== "") {
+ this.pdfLinkService.goToPage(evt.value);
+ }
+ if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
+ this.toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
+ }
+}
+function onImageAltTextSettings() {
+ this.imageAltTextSettings?.open({
+ enableGuessAltText: AppOptions.get("enableGuessAltText"),
+ enableNewAltTextWhenAddingImage: AppOptions.get("enableNewAltTextWhenAddingImage")
+ });
+}
+function onFindFromUrlHash(evt) {
+ this.eventBus.dispatch("find", {
+ source: evt.source,
+ type: "",
+ query: evt.query,
+ caseSensitive: false,
+ entireWord: false,
+ highlightAll: true,
+ findPrevious: false,
+ matchDiacritics: true
+ });
+}
+function onUpdateFindMatchesCount({
+ matchesCount
+}) {
+ if (this.supportsIntegratedFind) {
+ this.externalServices.updateFindMatchesCount(matchesCount);
+ } else {
+ this.findBar?.updateResultsCount(matchesCount);
+ }
+}
+function onUpdateFindControlState({
+ state,
+ previous,
+ entireWord,
+ matchesCount,
+ rawQuery
+}) {
+ if (this.supportsIntegratedFind) {
+ this.externalServices.updateFindControlState({
+ result: state,
+ findPrevious: previous,
+ entireWord,
+ matchesCount,
+ rawQuery
+ });
+ } else {
+ this.findBar?.updateUIState(state, previous, matchesCount);
+ }
+}
+function onScaleChanging(evt) {
+ this.toolbar?.setPageScale(evt.presetValue, evt.scale);
+ this.pdfViewer.update();
+}
+function onRotationChanging(evt) {
+ if (this.pdfThumbnailViewer) {
+ this.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
+ }
+ this.forceRendering();
+ this.pdfViewer.currentPageNumber = evt.pageNumber;
+}
+function onPageChanging({
+ pageNumber,
+ pageLabel
+}) {
+ this.toolbar?.setPageNumber(pageNumber, pageLabel);
+ this.secondaryToolbar?.setPageNumber(pageNumber);
+ if (this.pdfSidebar?.visibleView === SidebarView.THUMBS) {
+ this.pdfThumbnailViewer?.scrollThumbnailIntoView(pageNumber);
+ }
+ const currentPage = this.pdfViewer.getPageView(pageNumber - 1);
+ this.toolbar?.updateLoadingIndicatorState(currentPage?.renderingState === RenderingStates.RUNNING);
+}
+function onWheel(evt) {
+ const {
+ pdfViewer,
+ supportsMouseWheelZoomCtrlKey,
+ supportsMouseWheelZoomMetaKey,
+ supportsPinchToZoom
+ } = this;
+ if (pdfViewer.isInPresentationMode) {
+ return;
+ }
+ const deltaMode = evt.deltaMode;
+ let scaleFactor = Math.exp(-evt.deltaY / 100);
+ const isBuiltInMac = false;
+ const isPinchToZoom = evt.ctrlKey && !this._isCtrlKeyDown && deltaMode === WheelEvent.DOM_DELTA_PIXEL && evt.deltaX === 0 && (Math.abs(scaleFactor - 1) < 0.05 || isBuiltInMac) && evt.deltaZ === 0;
+ const origin = [evt.clientX, evt.clientY];
+ if (isPinchToZoom || evt.ctrlKey && supportsMouseWheelZoomCtrlKey || evt.metaKey && supportsMouseWheelZoomMetaKey) {
+ evt.preventDefault();
+ if (this._isScrolling || document.visibilityState === "hidden" || this.overlayManager.active) {
+ return;
+ }
+ if (isPinchToZoom && supportsPinchToZoom) {
+ scaleFactor = this._accumulateFactor(pdfViewer.currentScale, scaleFactor, "_wheelUnusedFactor");
+ this.updateZoom(null, scaleFactor, origin);
+ } else {
+ const delta = normalizeWheelEventDirection(evt);
+ let ticks = 0;
+ if (deltaMode === WheelEvent.DOM_DELTA_LINE || deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+ ticks = Math.abs(delta) >= 1 ? Math.sign(delta) : this._accumulateTicks(delta, "_wheelUnusedTicks");
+ } else {
+ const PIXELS_PER_LINE_SCALE = 30;
+ ticks = this._accumulateTicks(delta / PIXELS_PER_LINE_SCALE, "_wheelUnusedTicks");
+ }
+ this.updateZoom(ticks, null, origin);
+ }
+ }
+}
+function closeSecondaryToolbar({
+ target
+}) {
+ if (!this.secondaryToolbar?.isOpen) {
+ return;
+ }
+ const {
+ toolbar,
+ secondaryToolbar
+ } = this.appConfig;
+ if (this.pdfViewer.containsElement(target) || toolbar?.container.contains(target) && !secondaryToolbar?.toolbar.contains(target) && !secondaryToolbar?.toggleButton.contains(target)) {
+ this.secondaryToolbar.close();
+ }
+}
+function closeEditorUndoBar(evt) {
+ if (!this.editorUndoBar?.isOpen) {
+ return;
+ }
+ if (this.appConfig.secondaryToolbar?.toolbar.contains(evt.target)) {
+ this.editorUndoBar.hide();
+ }
+}
+function onClick(evt) {
+ closeSecondaryToolbar.call(this, evt);
+ closeEditorUndoBar.call(this, evt);
+}
+function onKeyUp(evt) {
+ if (evt.key === "Control") {
+ this._isCtrlKeyDown = false;
+ }
+}
+function onKeyDown(evt) {
+ this._isCtrlKeyDown = evt.key === "Control";
+ if (this.editorUndoBar?.isOpen && evt.keyCode !== 9 && evt.keyCode !== 16 && !((evt.keyCode === 13 || evt.keyCode === 32) && getActiveOrFocusedElement() === this.appConfig.editorUndoBar.undoButton)) {
+ this.editorUndoBar.hide();
+ }
+ if (this.overlayManager.active) {
+ return;
+ }
+ const {
+ eventBus,
+ pdfViewer
+ } = this;
+ const isViewerInPresentationMode = pdfViewer.isInPresentationMode;
+ let handled = false,
+ ensureViewerFocused = false;
+ const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
+ if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
+ switch (evt.keyCode) {
+ case 70:
+ if (!this.supportsIntegratedFind && !evt.shiftKey) {
+ this.findBar?.open();
+ handled = true;
+ }
+ break;
+ case 71:
+ if (!this.supportsIntegratedFind) {
+ const {
+ state
+ } = this.findController;
+ if (state) {
+ const newState = {
+ source: window,
+ type: "again",
+ findPrevious: cmd === 5 || cmd === 12
+ };
+ eventBus.dispatch("find", {
+ ...state,
+ ...newState
+ });
+ }
+ handled = true;
+ }
+ break;
+ case 61:
+ case 107:
+ case 187:
+ case 171:
+ this.zoomIn();
+ handled = true;
+ break;
+ case 173:
+ case 109:
+ case 189:
+ this.zoomOut();
+ handled = true;
+ break;
+ case 48:
+ case 96:
+ if (!isViewerInPresentationMode) {
+ setTimeout(() => {
+ this.zoomReset();
+ });
+ handled = false;
+ }
+ break;
+ case 38:
+ if (isViewerInPresentationMode || this.page > 1) {
+ this.page = 1;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ case 40:
+ if (isViewerInPresentationMode || this.page < this.pagesCount) {
+ this.page = this.pagesCount;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ }
+ }
+ if (cmd === 1 || cmd === 8) {
+ switch (evt.keyCode) {
+ case 83:
+ eventBus.dispatch("download", {
+ source: window
+ });
+ handled = true;
+ break;
+ case 79:
+ {
+ eventBus.dispatch("openfile", {
+ source: window
+ });
+ handled = true;
+ }
+ break;
+ }
+ }
+ if (cmd === 3 || cmd === 10) {
+ switch (evt.keyCode) {
+ case 80:
+ this.requestPresentationMode();
+ handled = true;
+ this.externalServices.reportTelemetry({
+ type: "buttons",
+ data: {
+ id: "presentationModeKeyboard"
+ }
+ });
+ break;
+ case 71:
+ if (this.appConfig.toolbar) {
+ this.appConfig.toolbar.pageNumber.select();
+ handled = true;
+ }
+ break;
+ }
+ }
+ if (handled) {
+ if (ensureViewerFocused && !isViewerInPresentationMode) {
+ pdfViewer.focus();
+ }
+ evt.preventDefault();
+ return;
+ }
+ const curElement = getActiveOrFocusedElement();
+ const curElementTagName = curElement?.tagName.toUpperCase();
+ if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElementTagName === "BUTTON" && evt.keyCode === 32 || curElement?.isContentEditable) {
+ if (evt.keyCode !== 27) {
+ return;
+ }
+ }
+ if (cmd === 0) {
+ let turnPage = 0,
+ turnOnlyIfPageFit = false;
+ switch (evt.keyCode) {
+ case 38:
+ if (this.supportsCaretBrowsingMode) {
+ this.moveCaret(true, false);
+ handled = true;
+ break;
+ }
+ case 33:
+ if (pdfViewer.isVerticalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = -1;
+ break;
+ case 8:
+ if (!isViewerInPresentationMode) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = -1;
+ break;
+ case 37:
+ if (this.supportsCaretBrowsingMode) {
+ return;
+ }
+ if (pdfViewer.isHorizontalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ case 75:
+ case 80:
+ turnPage = -1;
+ break;
+ case 27:
+ if (this.secondaryToolbar?.isOpen) {
+ this.secondaryToolbar.close();
+ handled = true;
+ }
+ if (!this.supportsIntegratedFind && this.findBar?.opened) {
+ this.findBar.close();
+ handled = true;
+ }
+ break;
+ case 40:
+ if (this.supportsCaretBrowsingMode) {
+ this.moveCaret(false, false);
+ handled = true;
+ break;
+ }
+ case 34:
+ if (pdfViewer.isVerticalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = 1;
+ break;
+ case 32:
+ if (!isViewerInPresentationMode) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = 1;
+ break;
+ case 39:
+ if (this.supportsCaretBrowsingMode) {
+ return;
+ }
+ if (pdfViewer.isHorizontalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ case 74:
+ case 78:
+ turnPage = 1;
+ break;
+ case 36:
+ if (isViewerInPresentationMode || this.page > 1) {
+ this.page = 1;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ case 35:
+ if (isViewerInPresentationMode || this.page < this.pagesCount) {
+ this.page = this.pagesCount;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ case 83:
+ this.pdfCursorTools?.switchTool(CursorTool.SELECT);
+ break;
+ case 72:
+ this.pdfCursorTools?.switchTool(CursorTool.HAND);
+ break;
+ case 82:
+ this.rotatePages(90);
+ break;
+ case 115:
+ this.pdfSidebar?.toggle();
+ break;
+ }
+ if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")) {
+ if (turnPage > 0) {
+ pdfViewer.nextPage();
+ } else {
+ pdfViewer.previousPage();
+ }
+ handled = true;
+ }
+ }
+ if (cmd === 4) {
+ switch (evt.keyCode) {
+ case 32:
+ if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== "page-fit") {
+ break;
+ }
+ pdfViewer.previousPage();
+ handled = true;
+ break;
+ case 38:
+ this.moveCaret(true, true);
+ handled = true;
+ break;
+ case 40:
+ this.moveCaret(false, true);
+ handled = true;
+ break;
+ case 82:
+ this.rotatePages(-90);
+ break;
+ }
+ }
+ if (!handled && !isViewerInPresentationMode) {
+ if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== "BUTTON") {
+ ensureViewerFocused = true;
+ }
+ }
+ if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
+ pdfViewer.focus();
+ }
+ if (handled) {
+ evt.preventDefault();
+ }
+}
+function beforeUnload(evt) {
+ evt.preventDefault();
+ evt.returnValue = "";
+ return false;
+}
+
+;// ./web/viewer.js
+
+
+
+
+const AppConstants = {
+ LinkTarget: LinkTarget,
+ RenderingStates: RenderingStates,
+ ScrollMode: ScrollMode,
+ SpreadMode: SpreadMode
+};
+window.PDFViewerApplication = PDFViewerApplication;
+window.PDFViewerApplicationConstants = AppConstants;
+window.PDFViewerApplicationOptions = AppOptions;
+function getViewerConfiguration() {
+ return {
+ appContainer: document.body,
+ principalContainer: document.getElementById("mainContainer"),
+ mainContainer: document.getElementById("viewerContainer"),
+ viewerContainer: document.getElementById("viewer"),
+ viewerAlert: document.getElementById("viewer-alert"),
+ toolbar: {
+ container: document.getElementById("toolbarContainer"),
+ numPages: document.getElementById("numPages"),
+ pageNumber: document.getElementById("pageNumber"),
+ scaleSelect: document.getElementById("scaleSelect"),
+ customScaleOption: document.getElementById("customScaleOption"),
+ previous: document.getElementById("previous"),
+ next: document.getElementById("next"),
+ zoomIn: document.getElementById("zoomInButton"),
+ zoomOut: document.getElementById("zoomOutButton"),
+ print: document.getElementById("printButton"),
+ editorCommentButton: document.getElementById("editorCommentButton"),
+ editorCommentParamsToolbar: document.getElementById("editorCommentParamsToolbar"),
+ editorFreeTextButton: document.getElementById("editorFreeTextButton"),
+ editorFreeTextParamsToolbar: document.getElementById("editorFreeTextParamsToolbar"),
+ editorHighlightButton: document.getElementById("editorHighlightButton"),
+ editorHighlightParamsToolbar: document.getElementById("editorHighlightParamsToolbar"),
+ editorHighlightColorPicker: document.getElementById("editorHighlightColorPicker"),
+ editorInkButton: document.getElementById("editorInkButton"),
+ editorInkParamsToolbar: document.getElementById("editorInkParamsToolbar"),
+ editorStampButton: document.getElementById("editorStampButton"),
+ editorStampParamsToolbar: document.getElementById("editorStampParamsToolbar"),
+ editorSignatureButton: document.getElementById("editorSignatureButton"),
+ editorSignatureParamsToolbar: document.getElementById("editorSignatureParamsToolbar"),
+ download: document.getElementById("downloadButton")
+ },
+ secondaryToolbar: {
+ toolbar: document.getElementById("secondaryToolbar"),
+ toggleButton: document.getElementById("secondaryToolbarToggleButton"),
+ presentationModeButton: document.getElementById("presentationMode"),
+ openFileButton: document.getElementById("secondaryOpenFile"),
+ printButton: document.getElementById("secondaryPrint"),
+ downloadButton: document.getElementById("secondaryDownload"),
+ viewBookmarkButton: document.getElementById("viewBookmark"),
+ firstPageButton: document.getElementById("firstPage"),
+ lastPageButton: document.getElementById("lastPage"),
+ pageRotateCwButton: document.getElementById("pageRotateCw"),
+ pageRotateCcwButton: document.getElementById("pageRotateCcw"),
+ cursorSelectToolButton: document.getElementById("cursorSelectTool"),
+ cursorHandToolButton: document.getElementById("cursorHandTool"),
+ scrollPageButton: document.getElementById("scrollPage"),
+ scrollVerticalButton: document.getElementById("scrollVertical"),
+ scrollHorizontalButton: document.getElementById("scrollHorizontal"),
+ scrollWrappedButton: document.getElementById("scrollWrapped"),
+ spreadNoneButton: document.getElementById("spreadNone"),
+ spreadOddButton: document.getElementById("spreadOdd"),
+ spreadEvenButton: document.getElementById("spreadEven"),
+ imageAltTextSettingsButton: document.getElementById("imageAltTextSettings"),
+ imageAltTextSettingsSeparator: document.getElementById("imageAltTextSettingsSeparator"),
+ documentPropertiesButton: document.getElementById("documentProperties")
+ },
+ sidebar: {
+ outerContainer: document.getElementById("outerContainer"),
+ sidebarContainer: document.getElementById("sidebarContainer"),
+ toggleButton: document.getElementById("sidebarToggleButton"),
+ resizer: document.getElementById("sidebarResizer"),
+ thumbnailButton: document.getElementById("viewThumbnail"),
+ outlineButton: document.getElementById("viewOutline"),
+ attachmentsButton: document.getElementById("viewAttachments"),
+ layersButton: document.getElementById("viewLayers"),
+ thumbnailView: document.getElementById("thumbnailView"),
+ outlineView: document.getElementById("outlineView"),
+ attachmentsView: document.getElementById("attachmentsView"),
+ layersView: document.getElementById("layersView"),
+ currentOutlineItemButton: document.getElementById("currentOutlineItem")
+ },
+ findBar: {
+ bar: document.getElementById("findbar"),
+ toggleButton: document.getElementById("viewFindButton"),
+ findField: document.getElementById("findInput"),
+ highlightAllCheckbox: document.getElementById("findHighlightAll"),
+ caseSensitiveCheckbox: document.getElementById("findMatchCase"),
+ matchDiacriticsCheckbox: document.getElementById("findMatchDiacritics"),
+ entireWordCheckbox: document.getElementById("findEntireWord"),
+ findMsg: document.getElementById("findMsg"),
+ findResultsCount: document.getElementById("findResultsCount"),
+ findPreviousButton: document.getElementById("findPreviousButton"),
+ findNextButton: document.getElementById("findNextButton")
+ },
+ passwordOverlay: {
+ dialog: document.getElementById("passwordDialog"),
+ label: document.getElementById("passwordText"),
+ input: document.getElementById("password"),
+ submitButton: document.getElementById("passwordSubmit"),
+ cancelButton: document.getElementById("passwordCancel")
+ },
+ documentProperties: {
+ dialog: document.getElementById("documentPropertiesDialog"),
+ closeButton: document.getElementById("documentPropertiesClose"),
+ fields: {
+ fileName: document.getElementById("fileNameField"),
+ fileSize: document.getElementById("fileSizeField"),
+ title: document.getElementById("titleField"),
+ author: document.getElementById("authorField"),
+ subject: document.getElementById("subjectField"),
+ keywords: document.getElementById("keywordsField"),
+ creationDate: document.getElementById("creationDateField"),
+ modificationDate: document.getElementById("modificationDateField"),
+ creator: document.getElementById("creatorField"),
+ producer: document.getElementById("producerField"),
+ version: document.getElementById("versionField"),
+ pageCount: document.getElementById("pageCountField"),
+ pageSize: document.getElementById("pageSizeField"),
+ linearized: document.getElementById("linearizedField")
+ }
+ },
+ altTextDialog: {
+ dialog: document.getElementById("altTextDialog"),
+ optionDescription: document.getElementById("descriptionButton"),
+ optionDecorative: document.getElementById("decorativeButton"),
+ textarea: document.getElementById("descriptionTextarea"),
+ cancelButton: document.getElementById("altTextCancel"),
+ saveButton: document.getElementById("altTextSave")
+ },
+ newAltTextDialog: {
+ dialog: document.getElementById("newAltTextDialog"),
+ title: document.getElementById("newAltTextTitle"),
+ descriptionContainer: document.getElementById("newAltTextDescriptionContainer"),
+ textarea: document.getElementById("newAltTextDescriptionTextarea"),
+ disclaimer: document.getElementById("newAltTextDisclaimer"),
+ learnMore: document.getElementById("newAltTextLearnMore"),
+ imagePreview: document.getElementById("newAltTextImagePreview"),
+ createAutomatically: document.getElementById("newAltTextCreateAutomatically"),
+ createAutomaticallyButton: document.getElementById("newAltTextCreateAutomaticallyButton"),
+ downloadModel: document.getElementById("newAltTextDownloadModel"),
+ downloadModelDescription: document.getElementById("newAltTextDownloadModelDescription"),
+ error: document.getElementById("newAltTextError"),
+ errorCloseButton: document.getElementById("newAltTextCloseButton"),
+ cancelButton: document.getElementById("newAltTextCancel"),
+ notNowButton: document.getElementById("newAltTextNotNow"),
+ saveButton: document.getElementById("newAltTextSave")
+ },
+ altTextSettingsDialog: {
+ dialog: document.getElementById("altTextSettingsDialog"),
+ createModelButton: document.getElementById("createModelButton"),
+ aiModelSettings: document.getElementById("aiModelSettings"),
+ learnMore: document.getElementById("altTextSettingsLearnMore"),
+ deleteModelButton: document.getElementById("deleteModelButton"),
+ downloadModelButton: document.getElementById("downloadModelButton"),
+ showAltTextDialogButton: document.getElementById("showAltTextDialogButton"),
+ altTextSettingsCloseButton: document.getElementById("altTextSettingsCloseButton"),
+ closeButton: document.getElementById("altTextSettingsCloseButton")
+ },
+ addSignatureDialog: {
+ dialog: document.getElementById("addSignatureDialog"),
+ panels: document.getElementById("addSignatureActionContainer"),
+ typeButton: document.getElementById("addSignatureTypeButton"),
+ typeInput: document.getElementById("addSignatureTypeInput"),
+ drawButton: document.getElementById("addSignatureDrawButton"),
+ drawSVG: document.getElementById("addSignatureDraw"),
+ drawPlaceholder: document.getElementById("addSignatureDrawPlaceholder"),
+ drawThickness: document.getElementById("addSignatureDrawThickness"),
+ imageButton: document.getElementById("addSignatureImageButton"),
+ imageSVG: document.getElementById("addSignatureImage"),
+ imagePlaceholder: document.getElementById("addSignatureImagePlaceholder"),
+ imagePicker: document.getElementById("addSignatureFilePicker"),
+ imagePickerLink: document.getElementById("addSignatureImageBrowse"),
+ description: document.getElementById("addSignatureDescription"),
+ clearButton: document.getElementById("clearSignatureButton"),
+ saveContainer: document.getElementById("addSignatureSaveContainer"),
+ saveCheckbox: document.getElementById("addSignatureSaveCheckbox"),
+ errorBar: document.getElementById("addSignatureError"),
+ errorTitle: document.getElementById("addSignatureErrorTitle"),
+ errorDescription: document.getElementById("addSignatureErrorDescription"),
+ errorCloseButton: document.getElementById("addSignatureErrorCloseButton"),
+ cancelButton: document.getElementById("addSignatureCancelButton"),
+ addButton: document.getElementById("addSignatureAddButton")
+ },
+ editSignatureDialog: {
+ dialog: document.getElementById("editSignatureDescriptionDialog"),
+ description: document.getElementById("editSignatureDescription"),
+ editSignatureView: document.getElementById("editSignatureView"),
+ cancelButton: document.getElementById("editSignatureCancelButton"),
+ updateButton: document.getElementById("editSignatureUpdateButton")
+ },
+ annotationEditorParams: {
+ editorCommentsSidebar: document.getElementById("editorCommentsSidebar"),
+ editorCommentsSidebarCount: document.getElementById("editorCommentsSidebarCount"),
+ editorCommentsSidebarTitle: document.getElementById("editorCommentsSidebarTitle"),
+ editorCommentsSidebarCloseButton: document.getElementById("editorCommentsSidebarCloseButton"),
+ editorCommentsSidebarList: document.getElementById("editorCommentsSidebarList"),
+ editorCommentsSidebarResizer: document.getElementById("editorCommentsSidebarResizer"),
+ editorFreeTextFontSize: document.getElementById("editorFreeTextFontSize"),
+ editorFreeTextColor: document.getElementById("editorFreeTextColor"),
+ editorInkColor: document.getElementById("editorInkColor"),
+ editorInkThickness: document.getElementById("editorInkThickness"),
+ editorInkOpacity: document.getElementById("editorInkOpacity"),
+ editorStampAddImage: document.getElementById("editorStampAddImage"),
+ editorSignatureAddSignature: document.getElementById("editorSignatureAddSignature"),
+ editorFreeHighlightThickness: document.getElementById("editorFreeHighlightThickness"),
+ editorHighlightShowAll: document.getElementById("editorHighlightShowAll")
+ },
+ printContainer: document.getElementById("printContainer"),
+ editorUndoBar: {
+ container: document.getElementById("editorUndoBar"),
+ message: document.getElementById("editorUndoBarMessage"),
+ undoButton: document.getElementById("editorUndoBarUndoButton"),
+ closeButton: document.getElementById("editorUndoBarCloseButton")
+ },
+ editCommentDialog: {
+ dialog: document.getElementById("commentManagerDialog"),
+ toolbar: document.getElementById("commentManagerToolbar"),
+ title: document.getElementById("commentManagerTitle"),
+ textInput: document.getElementById("commentManagerTextInput"),
+ cancelButton: document.getElementById("commentManagerCancelButton"),
+ saveButton: document.getElementById("commentManagerSaveButton")
+ }
+ };
+}
+function webViewerLoad() {
+ const config = getViewerConfiguration();
+ const event = new CustomEvent("webviewerloaded", {
+ bubbles: true,
+ cancelable: true,
+ detail: {
+ source: window
+ }
+ });
+ try {
+ parent.document.dispatchEvent(event);
+ } catch (ex) {
+ console.error("webviewerloaded:", ex);
+ document.dispatchEvent(event);
+ }
+ PDFViewerApplication.run(config);
+}
+document.blockUnblockOnload?.(true);
+if (document.readyState === "interactive" || document.readyState === "complete") {
+ webViewerLoad();
+} else {
+ document.addEventListener("DOMContentLoaded", webViewerLoad, true);
+}
+
+export { PDFViewerApplication, AppConstants as PDFViewerApplicationConstants, AppOptions as PDFViewerApplicationOptions };
+
+//# sourceMappingURL=viewer.mjs.map
\ No newline at end of file
diff --git a/public/pdfjs-viewer/viewer.mjs.bak2 b/public/pdfjs-viewer/viewer.mjs.bak2
new file mode 100644
index 00000000..9e54649e
--- /dev/null
+++ b/public/pdfjs-viewer/viewer.mjs.bak2
@@ -0,0 +1,18337 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * JavaScript code in this page
+ *
+ * Copyright 2024 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * JavaScript code in this page
+ */
+
+/**
+ * pdfjsVersion = 5.4.296
+ * pdfjsBuild = f56dc8601
+ */
+/******/ // The require scope
+/******/ var __webpack_require__ = {};
+/******/
+/************************************************************************/
+/******/ /* webpack/runtime/define property getters */
+/******/ (() => {
+/******/ // define getter functions for harmony exports
+/******/ __webpack_require__.d = (exports, definition) => {
+/******/ for(var key in definition) {
+/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
+/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
+/******/ }
+/******/ }
+/******/ };
+/******/ })();
+/******/
+/******/ /* webpack/runtime/hasOwnProperty shorthand */
+/******/ (() => {
+/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
+/******/ })();
+/******/
+/************************************************************************/
+var __webpack_exports__ = {};
+
+;// ./web/pdfjs.js
+const {
+ AbortException,
+ AnnotationEditorLayer,
+ AnnotationEditorParamsType,
+ AnnotationEditorType,
+ AnnotationEditorUIManager,
+ AnnotationLayer,
+ AnnotationMode,
+ AnnotationType,
+ applyOpacity,
+ build,
+ ColorPicker,
+ createValidAbsoluteUrl,
+ CSSConstants,
+ DOMSVGFactory,
+ DrawLayer,
+ FeatureTest,
+ fetchData,
+ findContrastColor,
+ getDocument,
+ getFilenameFromUrl,
+ getPdfFilenameFromUrl: pdfjs_getPdfFilenameFromUrl,
+ getRGB,
+ getUuid,
+ getXfaPageViewport,
+ GlobalWorkerOptions,
+ ImageKind,
+ InvalidPDFException,
+ isDataScheme,
+ isPdfFile,
+ isValidExplicitDest,
+ MathClamp,
+ noContextMenu,
+ normalizeUnicode,
+ OPS,
+ OutputScale,
+ PasswordResponses,
+ PDFDataRangeTransport,
+ PDFDateString,
+ PDFWorker,
+ PermissionFlag,
+ PixelsPerInch,
+ RenderingCancelledException,
+ renderRichText,
+ ResponseException,
+ setLayerDimensions,
+ shadow,
+ SignatureExtractor,
+ stopEvent,
+ SupportedImageMimeTypes,
+ TextLayer,
+ TouchManager,
+ updateUrlHash,
+ Util,
+ VerbosityLevel,
+ version,
+ XfaLayer
+} = globalThis.pdfjsLib;
+
+;// ./web/ui_utils.js
+
+const DEFAULT_SCALE_VALUE = "auto";
+const DEFAULT_SCALE = 1.0;
+const DEFAULT_SCALE_DELTA = 1.1;
+const MIN_SCALE = 0.1;
+const MAX_SCALE = 10.0;
+const UNKNOWN_SCALE = 0;
+const MAX_AUTO_SCALE = 1.25;
+const SCROLLBAR_PADDING = 40;
+const VERTICAL_PADDING = 5;
+const RenderingStates = {
+ INITIAL: 0,
+ RUNNING: 1,
+ PAUSED: 2,
+ FINISHED: 3
+};
+const PresentationModeState = {
+ UNKNOWN: 0,
+ NORMAL: 1,
+ CHANGING: 2,
+ FULLSCREEN: 3
+};
+const SidebarView = {
+ UNKNOWN: -1,
+ NONE: 0,
+ THUMBS: 1,
+ OUTLINE: 2,
+ ATTACHMENTS: 3,
+ LAYERS: 4
+};
+const TextLayerMode = {
+ DISABLE: 0,
+ ENABLE: 1,
+ ENABLE_PERMISSIONS: 2
+};
+const ScrollMode = {
+ UNKNOWN: -1,
+ VERTICAL: 0,
+ HORIZONTAL: 1,
+ WRAPPED: 2,
+ PAGE: 3
+};
+const SpreadMode = {
+ UNKNOWN: -1,
+ NONE: 0,
+ ODD: 1,
+ EVEN: 2
+};
+const CursorTool = {
+ SELECT: 0,
+ HAND: 1,
+ ZOOM: 2
+};
+const AutoPrintRegExp = /\bprint\s*\(/;
+function scrollIntoView(element, spot, scrollMatches = false) {
+ let parent = element.offsetParent;
+ if (!parent) {
+ console.error("offsetParent is not set -- cannot scroll");
+ return;
+ }
+ let offsetY = element.offsetTop + element.clientTop;
+ let offsetX = element.offsetLeft + element.clientLeft;
+ while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || scrollMatches && (parent.classList.contains("markedContent") || getComputedStyle(parent).overflow === "hidden")) {
+ offsetY += parent.offsetTop;
+ offsetX += parent.offsetLeft;
+ parent = parent.offsetParent;
+ if (!parent) {
+ return;
+ }
+ }
+ if (spot) {
+ if (spot.top !== undefined) {
+ offsetY += spot.top;
+ }
+ if (spot.left !== undefined) {
+ if (scrollMatches) {
+ const elementWidth = element.getBoundingClientRect().width;
+ const padding = MathClamp((parent.clientWidth - elementWidth) / 2, 20, 400);
+ offsetX += spot.left - padding;
+ } else {
+ offsetX += spot.left;
+ }
+ parent.scrollLeft = offsetX;
+ }
+ }
+ parent.scrollTop = offsetY;
+}
+function watchScroll(viewAreaElement, callback, abortSignal = undefined) {
+ const debounceScroll = function (evt) {
+ if (rAF) {
+ return;
+ }
+ rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
+ rAF = null;
+ const currentX = viewAreaElement.scrollLeft;
+ const lastX = state.lastX;
+ if (currentX !== lastX) {
+ state.right = currentX > lastX;
+ }
+ state.lastX = currentX;
+ const currentY = viewAreaElement.scrollTop;
+ const lastY = state.lastY;
+ if (currentY !== lastY) {
+ state.down = currentY > lastY;
+ }
+ state.lastY = currentY;
+ callback(state);
+ });
+ };
+ const state = {
+ right: true,
+ down: true,
+ lastX: viewAreaElement.scrollLeft,
+ lastY: viewAreaElement.scrollTop,
+ _eventHandler: debounceScroll
+ };
+ let rAF = null;
+ viewAreaElement.addEventListener("scroll", debounceScroll, {
+ useCapture: true,
+ signal: abortSignal
+ });
+ abortSignal?.addEventListener("abort", () => window.cancelAnimationFrame(rAF), {
+ once: true
+ });
+ return state;
+}
+function parseQueryString(query) {
+ const params = new Map();
+ for (const [key, value] of new URLSearchParams(query)) {
+ params.set(key.toLowerCase(), value);
+ }
+ return params;
+}
+const InvisibleCharsRegExp = /[\x00-\x1F]/g;
+function removeNullCharacters(str, replaceInvisible = false) {
+ if (!InvisibleCharsRegExp.test(str)) {
+ return str;
+ }
+ if (replaceInvisible) {
+ return str.replaceAll(InvisibleCharsRegExp, m => m === "\x00" ? "" : " ");
+ }
+ return str.replaceAll("\x00", "");
+}
+function binarySearchFirstItem(items, condition, start = 0) {
+ let minIndex = start;
+ let maxIndex = items.length - 1;
+ if (maxIndex < 0 || !condition(items[maxIndex])) {
+ return items.length;
+ }
+ if (condition(items[minIndex])) {
+ return minIndex;
+ }
+ while (minIndex < maxIndex) {
+ const currentIndex = minIndex + maxIndex >> 1;
+ const currentItem = items[currentIndex];
+ if (condition(currentItem)) {
+ maxIndex = currentIndex;
+ } else {
+ minIndex = currentIndex + 1;
+ }
+ }
+ return minIndex;
+}
+function approximateFraction(x) {
+ if (Math.floor(x) === x) {
+ return [x, 1];
+ }
+ const xinv = 1 / x;
+ const limit = 8;
+ if (xinv > limit) {
+ return [1, limit];
+ } else if (Math.floor(xinv) === xinv) {
+ return [1, xinv];
+ }
+ const x_ = x > 1 ? xinv : x;
+ let a = 0,
+ b = 1,
+ c = 1,
+ d = 1;
+ while (true) {
+ const p = a + c,
+ q = b + d;
+ if (q > limit) {
+ break;
+ }
+ if (x_ <= p / q) {
+ c = p;
+ d = q;
+ } else {
+ a = p;
+ b = q;
+ }
+ }
+ let result;
+ if (x_ - a / b < c / d - x_) {
+ result = x_ === x ? [a, b] : [b, a];
+ } else {
+ result = x_ === x ? [c, d] : [d, c];
+ }
+ return result;
+}
+function floorToDivide(x, div) {
+ return x - x % div;
+}
+function getPageSizeInches({
+ view,
+ userUnit,
+ rotate
+}) {
+ const [x1, y1, x2, y2] = view;
+ const changeOrientation = rotate % 180 !== 0;
+ const width = (x2 - x1) / 72 * userUnit;
+ const height = (y2 - y1) / 72 * userUnit;
+ return {
+ width: changeOrientation ? height : width,
+ height: changeOrientation ? width : height
+ };
+}
+function backtrackBeforeAllVisibleElements(index, views, top) {
+ if (index < 2) {
+ return index;
+ }
+ let elt = views[index].div;
+ let pageTop = elt.offsetTop + elt.clientTop;
+ if (pageTop >= top) {
+ elt = views[index - 1].div;
+ pageTop = elt.offsetTop + elt.clientTop;
+ }
+ for (let i = index - 2; i >= 0; --i) {
+ elt = views[i].div;
+ if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
+ break;
+ }
+ index = i;
+ }
+ return index;
+}
+function getVisibleElements({
+ scrollEl,
+ views,
+ sortByVisibility = false,
+ horizontal = false,
+ rtl = false
+}) {
+ const top = scrollEl.scrollTop,
+ bottom = top + scrollEl.clientHeight;
+ const left = scrollEl.scrollLeft,
+ right = left + scrollEl.clientWidth;
+ function isElementBottomAfterViewTop(view) {
+ const element = view.div;
+ const elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
+ return elementBottom > top;
+ }
+ function isElementNextAfterViewHorizontally(view) {
+ const element = view.div;
+ const elementLeft = element.offsetLeft + element.clientLeft;
+ const elementRight = elementLeft + element.clientWidth;
+ return rtl ? elementLeft < right : elementRight > left;
+ }
+ const visible = [],
+ ids = new Set(),
+ numViews = views.length;
+ let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop);
+ if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
+ firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
+ }
+ let lastEdge = horizontal ? right : -1;
+ for (let i = firstVisibleElementInd; i < numViews; i++) {
+ const view = views[i],
+ element = view.div;
+ const currentWidth = element.offsetLeft + element.clientLeft;
+ const currentHeight = element.offsetTop + element.clientTop;
+ const viewWidth = element.clientWidth,
+ viewHeight = element.clientHeight;
+ const viewRight = currentWidth + viewWidth;
+ const viewBottom = currentHeight + viewHeight;
+ if (lastEdge === -1) {
+ if (viewBottom >= bottom) {
+ lastEdge = viewBottom;
+ }
+ } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
+ break;
+ }
+ if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
+ continue;
+ }
+ const minY = Math.max(0, top - currentHeight);
+ const minX = Math.max(0, left - currentWidth);
+ const hiddenHeight = minY + Math.max(0, viewBottom - bottom);
+ const hiddenWidth = minX + Math.max(0, viewRight - right);
+ const fractionHeight = (viewHeight - hiddenHeight) / viewHeight,
+ fractionWidth = (viewWidth - hiddenWidth) / viewWidth;
+ const percent = fractionHeight * fractionWidth * 100 | 0;
+ visible.push({
+ id: view.id,
+ x: currentWidth,
+ y: currentHeight,
+ visibleArea: percent === 100 ? null : {
+ minX,
+ minY,
+ maxX: Math.min(viewRight, right) - currentWidth,
+ maxY: Math.min(viewBottom, bottom) - currentHeight
+ },
+ view,
+ percent,
+ widthPercent: fractionWidth * 100 | 0
+ });
+ ids.add(view.id);
+ }
+ const first = visible[0],
+ last = visible.at(-1);
+ if (sortByVisibility) {
+ visible.sort(function (a, b) {
+ const pc = a.percent - b.percent;
+ if (Math.abs(pc) > 0.001) {
+ return -pc;
+ }
+ return a.id - b.id;
+ });
+ }
+ return {
+ first,
+ last,
+ views: visible,
+ ids
+ };
+}
+function normalizeWheelEventDirection(evt) {
+ let delta = Math.hypot(evt.deltaX, evt.deltaY);
+ const angle = Math.atan2(evt.deltaY, evt.deltaX);
+ if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
+ delta = -delta;
+ }
+ return delta;
+}
+function normalizeWheelEventDelta(evt) {
+ const deltaMode = evt.deltaMode;
+ let delta = normalizeWheelEventDirection(evt);
+ const MOUSE_PIXELS_PER_LINE = 30;
+ const MOUSE_LINES_PER_PAGE = 30;
+ if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
+ delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
+ } else if (deltaMode === WheelEvent.DOM_DELTA_LINE) {
+ delta /= MOUSE_LINES_PER_PAGE;
+ }
+ return delta;
+}
+function isValidRotation(angle) {
+ return Number.isInteger(angle) && angle % 90 === 0;
+}
+function isValidScrollMode(mode) {
+ return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
+}
+function isValidSpreadMode(mode) {
+ return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
+}
+function isPortraitOrientation(size) {
+ return size.width <= size.height;
+}
+const animationStarted = new Promise(function (resolve) {
+ window.requestAnimationFrame(resolve);
+});
+const docStyle = document.documentElement.style;
+class ProgressBar {
+ #classList = null;
+ #disableAutoFetchTimeout = null;
+ #percent = 0;
+ #style = null;
+ #visible = true;
+ constructor(bar) {
+ this.#classList = bar.classList;
+ this.#style = bar.style;
+ }
+ get percent() {
+ return this.#percent;
+ }
+ set percent(val) {
+ this.#percent = MathClamp(val, 0, 100);
+ if (isNaN(val)) {
+ this.#classList.add("indeterminate");
+ return;
+ }
+ this.#classList.remove("indeterminate");
+ this.#style.setProperty("--progressBar-percent", `${this.#percent}%`);
+ }
+ setWidth(viewer) {
+ if (!viewer) {
+ return;
+ }
+ const container = viewer.parentNode;
+ const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
+ if (scrollbarWidth > 0) {
+ this.#style.setProperty("--progressBar-end-offset", `${scrollbarWidth}px`);
+ }
+ }
+ setDisableAutoFetch(delay = 5000) {
+ if (this.#percent === 100 || isNaN(this.#percent)) {
+ return;
+ }
+ if (this.#disableAutoFetchTimeout) {
+ clearTimeout(this.#disableAutoFetchTimeout);
+ }
+ this.show();
+ this.#disableAutoFetchTimeout = setTimeout(() => {
+ this.#disableAutoFetchTimeout = null;
+ this.hide();
+ }, delay);
+ }
+ hide() {
+ if (!this.#visible) {
+ return;
+ }
+ this.#visible = false;
+ this.#classList.add("hidden");
+ }
+ show() {
+ if (this.#visible) {
+ return;
+ }
+ this.#visible = true;
+ this.#classList.remove("hidden");
+ }
+}
+function getActiveOrFocusedElement() {
+ let curRoot = document;
+ let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
+ while (curActiveOrFocused?.shadowRoot) {
+ curRoot = curActiveOrFocused.shadowRoot;
+ curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
+ }
+ return curActiveOrFocused;
+}
+function apiPageLayoutToViewerModes(layout) {
+ let scrollMode = ScrollMode.VERTICAL,
+ spreadMode = SpreadMode.NONE;
+ switch (layout) {
+ case "SinglePage":
+ scrollMode = ScrollMode.PAGE;
+ break;
+ case "OneColumn":
+ break;
+ case "TwoPageLeft":
+ scrollMode = ScrollMode.PAGE;
+ case "TwoColumnLeft":
+ spreadMode = SpreadMode.ODD;
+ break;
+ case "TwoPageRight":
+ scrollMode = ScrollMode.PAGE;
+ case "TwoColumnRight":
+ spreadMode = SpreadMode.EVEN;
+ break;
+ }
+ return {
+ scrollMode,
+ spreadMode
+ };
+}
+function apiPageModeToSidebarView(mode) {
+ switch (mode) {
+ case "UseNone":
+ return SidebarView.NONE;
+ case "UseThumbs":
+ return SidebarView.THUMBS;
+ case "UseOutlines":
+ return SidebarView.OUTLINE;
+ case "UseAttachments":
+ return SidebarView.ATTACHMENTS;
+ case "UseOC":
+ return SidebarView.LAYERS;
+ }
+ return SidebarView.NONE;
+}
+function toggleCheckedBtn(button, toggle, view = null) {
+ button.classList.toggle("toggled", toggle);
+ button.setAttribute("aria-checked", toggle);
+ view?.classList.toggle("hidden", !toggle);
+}
+function toggleExpandedBtn(button, toggle, view = null) {
+ button.classList.toggle("toggled", toggle);
+ button.setAttribute("aria-expanded", toggle);
+ view?.classList.toggle("hidden", !toggle);
+}
+const calcRound = function () {
+ const e = document.createElement("div");
+ e.style.width = "round(down, calc(1.6666666666666665 * 792px), 1px)";
+ return e.style.width === "calc(1320px)" ? Math.fround : x => x;
+}();
+
+;// ./web/app_options.js
+{
+ var compatParams = new Map();
+ const {
+ maxTouchPoints,
+ platform,
+ userAgent
+ } = navigator;
+ const isAndroid = /Android/.test(userAgent);
+ const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
+ (function () {
+ if (isIOS || isAndroid) {
+ compatParams.set("maxCanvasPixels", 5242880);
+ }
+ })();
+ (function () {
+ if (isAndroid) {
+ compatParams.set("useSystemFonts", false);
+ }
+ })();
+}
+const OptionKind = {
+ BROWSER: 0x01,
+ VIEWER: 0x02,
+ API: 0x04,
+ WORKER: 0x08,
+ EVENT_DISPATCH: 0x10,
+ PREFERENCE: 0x80
+};
+const Type = {
+ BOOLEAN: 0x01,
+ NUMBER: 0x02,
+ OBJECT: 0x04,
+ STRING: 0x08,
+ UNDEFINED: 0x10
+};
+const defaultOptions = {
+ allowedGlobalEvents: {
+ value: null,
+ kind: OptionKind.BROWSER
+ },
+ canvasMaxAreaInBytes: {
+ value: -1,
+ kind: OptionKind.BROWSER + OptionKind.API
+ },
+ isInAutomation: {
+ value: false,
+ kind: OptionKind.BROWSER
+ },
+ localeProperties: {
+ value: {
+ lang: navigator.language || "en-US"
+ },
+ kind: OptionKind.BROWSER
+ },
+ maxCanvasDim: {
+ value: 32767,
+ kind: OptionKind.BROWSER + OptionKind.VIEWER
+ },
+ nimbusDataStr: {
+ value: "",
+ kind: OptionKind.BROWSER
+ },
+ supportsCaretBrowsingMode: {
+ value: false,
+ kind: OptionKind.BROWSER
+ },
+ supportsDocumentFonts: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsIntegratedFind: {
+ value: false,
+ kind: OptionKind.BROWSER
+ },
+ supportsMouseWheelZoomCtrlKey: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsMouseWheelZoomMetaKey: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsPinchToZoom: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ supportsPrinting: {
+ value: true,
+ kind: OptionKind.BROWSER
+ },
+ toolbarDensity: {
+ value: 0,
+ kind: OptionKind.BROWSER + OptionKind.EVENT_DISPATCH
+ },
+ altTextLearnMoreUrl: {
+ value: "",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ annotationEditorMode: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ annotationMode: {
+ value: 2,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ capCanvasAreaFactor: {
+ value: 200,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ commentLearnMoreUrl: {
+ value: "",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ cursorToolOnLoad: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ debuggerSrc: {
+ value: "./debugger.mjs",
+ kind: OptionKind.VIEWER
+ },
+ defaultZoomDelay: {
+ value: 400,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ defaultZoomValue: {
+ value: "",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ disableHistory: {
+ value: false,
+ kind: OptionKind.VIEWER
+ },
+ disablePageLabels: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableAltText: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableAltTextModelDownload: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE + OptionKind.EVENT_DISPATCH
+ },
+ enableAutoLinking: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableComment: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableDetailCanvas: {
+ value: true,
+ kind: OptionKind.VIEWER
+ },
+ enableGuessAltText: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE + OptionKind.EVENT_DISPATCH
+ },
+ enableHighlightFloatingButton: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableNewAltTextWhenAddingImage: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableOptimizedPartialRendering: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enablePermissions: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enablePrintAutoRotate: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableScripting: {
+ value: true,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableSignatureEditor: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableUpdatedAddImage: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ externalLinkRel: {
+ value: "noopener noreferrer nofollow",
+ kind: OptionKind.VIEWER
+ },
+ externalLinkTarget: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ highlightEditorColors: {
+ value: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F," + "yellow_HCM=#FFFFCC,green_HCM=#53FFBC,blue_HCM=#80EBFF,pink_HCM=#F6B8FF,red_HCM=#C50043",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ historyUpdateUrl: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ ignoreDestinationZoom: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ imageResourcesPath: {
+ value: "./images/",
+ kind: OptionKind.VIEWER
+ },
+ maxCanvasPixels: {
+ value: 2 ** 25,
+ kind: OptionKind.VIEWER
+ },
+ minDurationToUpdateCanvas: {
+ value: 500,
+ kind: OptionKind.VIEWER
+ },
+ forcePageColors: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ pageColorsBackground: {
+ value: "Canvas",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ pageColorsForeground: {
+ value: "CanvasText",
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ pdfBugEnabled: {
+ value: false,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ printResolution: {
+ value: 150,
+ kind: OptionKind.VIEWER
+ },
+ sidebarViewOnLoad: {
+ value: -1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ scrollModeOnLoad: {
+ value: -1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ spreadModeOnLoad: {
+ value: -1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ textLayerMode: {
+ value: 1,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ viewerCssTheme: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ viewOnLoad: {
+ value: 0,
+ kind: OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ cMapPacked: {
+ value: true,
+ kind: OptionKind.API
+ },
+ cMapUrl: {
+ value: "../web/cmaps/",
+ kind: OptionKind.API
+ },
+ disableAutoFetch: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ disableFontFace: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ disableRange: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ disableStream: {
+ value: false,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ docBaseUrl: {
+ value: "",
+ kind: OptionKind.API
+ },
+ enableHWA: {
+ value: true,
+ kind: OptionKind.API + OptionKind.VIEWER + OptionKind.PREFERENCE
+ },
+ enableXfa: {
+ value: true,
+ kind: OptionKind.API + OptionKind.PREFERENCE
+ },
+ fontExtraProperties: {
+ value: false,
+ kind: OptionKind.API
+ },
+ iccUrl: {
+ value: "../web/iccs/",
+ kind: OptionKind.API
+ },
+ isEvalSupported: {
+ value: true,
+ kind: OptionKind.API
+ },
+ isOffscreenCanvasSupported: {
+ value: true,
+ kind: OptionKind.API
+ },
+ maxImageSize: {
+ value: -1,
+ kind: OptionKind.API
+ },
+ pdfBug: {
+ value: false,
+ kind: OptionKind.API
+ },
+ standardFontDataUrl: {
+ value: "../web/standard_fonts/",
+ kind: OptionKind.API
+ },
+ useSystemFonts: {
+ value: undefined,
+ kind: OptionKind.API,
+ type: Type.BOOLEAN + Type.UNDEFINED
+ },
+ verbosity: {
+ value: 1,
+ kind: OptionKind.API
+ },
+ wasmUrl: {
+ value: "../web/wasm/",
+ kind: OptionKind.API
+ },
+ workerPort: {
+ value: null,
+ kind: OptionKind.WORKER
+ },
+ workerSrc: {
+ value: "pdf.worker.mjs",
+ kind: OptionKind.WORKER
+ }
+};
+{
+ defaultOptions.defaultUrl = {
+ value: "compressed.tracemonkey-pldi-09.pdf",
+ kind: OptionKind.VIEWER
+ };
+ defaultOptions.sandboxBundleSrc = {
+ value: "pdf.sandbox.mjs",
+ kind: OptionKind.VIEWER
+ };
+ defaultOptions.enableFakeMLManager = {
+ value: true,
+ kind: OptionKind.VIEWER
+ };
+}
+{
+ defaultOptions.disablePreferences = {
+ value: false,
+ kind: OptionKind.VIEWER
+ };
+}
+class AppOptions {
+ static eventBus;
+ static #opts = new Map();
+ static {
+ for (const name in defaultOptions) {
+ this.#opts.set(name, defaultOptions[name].value);
+ }
+ for (const [name, value] of compatParams) {
+ this.#opts.set(name, value);
+ }
+ this._hasInvokedSet = false;
+ this._checkDisablePreferences = () => {
+ if (this.get("disablePreferences")) {
+ return true;
+ }
+ if (this._hasInvokedSet) {
+ console.warn("The Preferences may override manually set AppOptions; " + 'please use the "disablePreferences"-option to prevent that.');
+ }
+ return false;
+ };
+ }
+ static get(name) {
+ return this.#opts.get(name);
+ }
+ static getAll(kind = null, defaultOnly = false) {
+ const options = Object.create(null);
+ for (const name in defaultOptions) {
+ const defaultOpt = defaultOptions[name];
+ if (kind && !(kind & defaultOpt.kind)) {
+ continue;
+ }
+ options[name] = !defaultOnly ? this.#opts.get(name) : defaultOpt.value;
+ }
+ return options;
+ }
+ static set(name, value) {
+ this.setAll({
+ [name]: value
+ });
+ }
+ static setAll(options, prefs = false) {
+ this._hasInvokedSet ||= true;
+ let events;
+ for (const name in options) {
+ const defaultOpt = defaultOptions[name],
+ userOpt = options[name];
+ if (!defaultOpt || !(typeof userOpt === typeof defaultOpt.value || Type[(typeof userOpt).toUpperCase()] & defaultOpt.type)) {
+ continue;
+ }
+ const {
+ kind
+ } = defaultOpt;
+ if (prefs && !(kind & OptionKind.BROWSER || kind & OptionKind.PREFERENCE)) {
+ continue;
+ }
+ if (this.eventBus && kind & OptionKind.EVENT_DISPATCH) {
+ (events ||= new Map()).set(name, userOpt);
+ }
+ this.#opts.set(name, userOpt);
+ }
+ if (events) {
+ for (const [name, value] of events) {
+ this.eventBus.dispatch(name.toLowerCase(), {
+ source: this,
+ value
+ });
+ }
+ }
+ }
+}
+
+;// ./web/pdf_link_service.js
+
+
+const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
+const LinkTarget = {
+ NONE: 0,
+ SELF: 1,
+ BLANK: 2,
+ PARENT: 3,
+ TOP: 4
+};
+class PDFLinkService {
+ externalLinkEnabled = true;
+ constructor({
+ eventBus,
+ externalLinkTarget = null,
+ externalLinkRel = null,
+ ignoreDestinationZoom = false
+ } = {}) {
+ this.eventBus = eventBus;
+ this.externalLinkTarget = externalLinkTarget;
+ this.externalLinkRel = externalLinkRel;
+ this._ignoreDestinationZoom = ignoreDestinationZoom;
+ this.baseUrl = null;
+ this.pdfDocument = null;
+ this.pdfViewer = null;
+ this.pdfHistory = null;
+ }
+ setDocument(pdfDocument, baseUrl = null) {
+ this.baseUrl = baseUrl;
+ this.pdfDocument = pdfDocument;
+ }
+ setViewer(pdfViewer) {
+ this.pdfViewer = pdfViewer;
+ }
+ setHistory(pdfHistory) {
+ this.pdfHistory = pdfHistory;
+ }
+ get pagesCount() {
+ return this.pdfDocument ? this.pdfDocument.numPages : 0;
+ }
+ get page() {
+ return this.pdfDocument ? this.pdfViewer.currentPageNumber : 1;
+ }
+ set page(value) {
+ if (this.pdfDocument) {
+ this.pdfViewer.currentPageNumber = value;
+ }
+ }
+ get rotation() {
+ return this.pdfDocument ? this.pdfViewer.pagesRotation : 0;
+ }
+ set rotation(value) {
+ if (this.pdfDocument) {
+ this.pdfViewer.pagesRotation = value;
+ }
+ }
+ get isInPresentationMode() {
+ return this.pdfDocument ? this.pdfViewer.isInPresentationMode : false;
+ }
+ async goToDestination(dest) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ let namedDest, explicitDest, pageNumber;
+ if (typeof dest === "string") {
+ namedDest = dest;
+ explicitDest = await this.pdfDocument.getDestination(dest);
+ } else {
+ namedDest = null;
+ explicitDest = await dest;
+ }
+ if (!Array.isArray(explicitDest)) {
+ console.error(`goToDestination: "${explicitDest}" is not a valid destination array, for dest="${dest}".`);
+ return;
+ }
+ const [destRef] = explicitDest;
+ if (destRef && typeof destRef === "object") {
+ pageNumber = this.pdfDocument.cachedPageNumber(destRef);
+ if (!pageNumber) {
+ try {
+ pageNumber = (await this.pdfDocument.getPageIndex(destRef)) + 1;
+ } catch {
+ console.error(`goToDestination: "${destRef}" is not a valid page reference, for dest="${dest}".`);
+ return;
+ }
+ }
+ } else if (Number.isInteger(destRef)) {
+ pageNumber = destRef + 1;
+ }
+ if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
+ console.error(`goToDestination: "${pageNumber}" is not a valid page number, for dest="${dest}".`);
+ return;
+ }
+ if (this.pdfHistory) {
+ this.pdfHistory.pushCurrentPosition();
+ this.pdfHistory.push({
+ namedDest,
+ explicitDest,
+ pageNumber
+ });
+ }
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber,
+ destArray: explicitDest,
+ ignoreDestinationZoom: this._ignoreDestinationZoom
+ });
+ const ac = new AbortController();
+ this.eventBus._on("textlayerrendered", evt => {
+ if (evt.pageNumber === pageNumber) {
+ evt.source.textLayer.div.focus();
+ ac.abort();
+ }
+ }, {
+ signal: ac.signal
+ });
+ }
+ goToPage(val) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const pageNumber = typeof val === "string" && this.pdfViewer.pageLabelToPageNumber(val) || val | 0;
+ if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
+ console.error(`PDFLinkService.goToPage: "${val}" is not a valid page.`);
+ return;
+ }
+ if (this.pdfHistory) {
+ this.pdfHistory.pushCurrentPosition();
+ this.pdfHistory.pushPage(pageNumber);
+ }
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber
+ });
+ }
+ goToXY(pageNumber, x, y, options = {}) {
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber,
+ destArray: [null, {
+ name: "XYZ"
+ }, x, y],
+ ignoreDestinationZoom: true,
+ ...options
+ });
+ }
+ addLinkAttributes(link, url, newWindow = false) {
+ if (!url || typeof url !== "string") {
+ throw new Error('A valid "url" parameter must provided.');
+ }
+ const target = newWindow ? LinkTarget.BLANK : this.externalLinkTarget,
+ rel = this.externalLinkRel;
+ if (this.externalLinkEnabled) {
+ link.href = link.title = url;
+ } else {
+ link.href = "";
+ link.title = `Disabled: ${url}`;
+ link.onclick = () => false;
+ }
+ let targetStr = "";
+ switch (target) {
+ case LinkTarget.NONE:
+ break;
+ case LinkTarget.SELF:
+ targetStr = "_self";
+ break;
+ case LinkTarget.BLANK:
+ targetStr = "_blank";
+ break;
+ case LinkTarget.PARENT:
+ targetStr = "_parent";
+ break;
+ case LinkTarget.TOP:
+ targetStr = "_top";
+ break;
+ }
+ link.target = targetStr;
+ link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
+ }
+ getDestinationHash(dest) {
+ if (typeof dest === "string") {
+ if (dest.length > 0) {
+ return this.getAnchorUrl("#" + escape(dest));
+ }
+ } else if (Array.isArray(dest)) {
+ const str = JSON.stringify(dest);
+ if (str.length > 0) {
+ return this.getAnchorUrl("#" + escape(str));
+ }
+ }
+ return this.getAnchorUrl("");
+ }
+ getAnchorUrl(anchor) {
+ return this.baseUrl ? this.baseUrl + anchor : anchor;
+ }
+ setHash(hash) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ let pageNumber, dest;
+ if (hash.includes("=")) {
+ const params = parseQueryString(hash);
+ if (params.has("search")) {
+ const query = params.get("search").replaceAll('"', ""),
+ phrase = params.get("phrase") === "true";
+ this.eventBus.dispatch("findfromurlhash", {
+ source: this,
+ query: phrase ? query : query.match(/\S+/g)
+ });
+ }
+ if (params.has("page")) {
+ pageNumber = params.get("page") | 0 || 1;
+ }
+ if (params.has("zoom")) {
+ const zoomArgs = params.get("zoom").split(",");
+ const zoomArg = zoomArgs[0];
+ const zoomArgNumber = parseFloat(zoomArg);
+ if (!zoomArg.includes("Fit")) {
+ dest = [null, {
+ name: "XYZ"
+ }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
+ } else if (zoomArg === "Fit" || zoomArg === "FitB") {
+ dest = [null, {
+ name: zoomArg
+ }];
+ } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
+ dest = [null, {
+ name: zoomArg
+ }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
+ } else if (zoomArg === "FitR") {
+ if (zoomArgs.length !== 5) {
+ console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
+ } else {
+ dest = [null, {
+ name: zoomArg
+ }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
+ }
+ } else {
+ console.error(`PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`);
+ }
+ }
+ if (dest) {
+ this.pdfViewer.scrollPageIntoView({
+ pageNumber: pageNumber || this.page,
+ destArray: dest,
+ allowNegativeOffset: true
+ });
+ } else if (pageNumber) {
+ this.page = pageNumber;
+ }
+ if (params.has("pagemode")) {
+ this.eventBus.dispatch("pagemode", {
+ source: this,
+ mode: params.get("pagemode")
+ });
+ }
+ if (params.has("nameddest")) {
+ this.goToDestination(params.get("nameddest"));
+ }
+ return;
+ }
+ dest = unescape(hash);
+ try {
+ dest = JSON.parse(dest);
+ if (!Array.isArray(dest)) {
+ dest = dest.toString();
+ }
+ } catch {}
+ if (typeof dest === "string" || isValidExplicitDest(dest)) {
+ this.goToDestination(dest);
+ return;
+ }
+ console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not a valid destination.`);
+ }
+ executeNamedAction(action) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ switch (action) {
+ case "GoBack":
+ this.pdfHistory?.back();
+ break;
+ case "GoForward":
+ this.pdfHistory?.forward();
+ break;
+ case "NextPage":
+ this.pdfViewer.nextPage();
+ break;
+ case "PrevPage":
+ this.pdfViewer.previousPage();
+ break;
+ case "LastPage":
+ this.page = this.pagesCount;
+ break;
+ case "FirstPage":
+ this.page = 1;
+ break;
+ default:
+ break;
+ }
+ this.eventBus.dispatch("namedaction", {
+ source: this,
+ action
+ });
+ }
+ async executeSetOCGState(action) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const pdfDocument = this.pdfDocument,
+ optionalContentConfig = await this.pdfViewer.optionalContentConfigPromise;
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ optionalContentConfig.setOCGState(action);
+ this.pdfViewer.optionalContentConfigPromise = Promise.resolve(optionalContentConfig);
+ }
+}
+class SimpleLinkService extends PDFLinkService {
+ setDocument(pdfDocument, baseUrl = null) {}
+}
+
+;// ./web/event_utils.js
+const WaitOnType = {
+ EVENT: "event",
+ TIMEOUT: "timeout"
+};
+async function waitOnEventOrTimeout({
+ target,
+ name,
+ delay = 0
+}) {
+ if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
+ throw new Error("waitOnEventOrTimeout - invalid parameters.");
+ }
+ const {
+ promise,
+ resolve
+ } = Promise.withResolvers();
+ const ac = new AbortController();
+ function handler(type) {
+ ac.abort();
+ clearTimeout(timeout);
+ resolve(type);
+ }
+ const evtMethod = target instanceof EventBus ? "_on" : "addEventListener";
+ target[evtMethod](name, handler.bind(null, WaitOnType.EVENT), {
+ signal: ac.signal
+ });
+ const timeout = setTimeout(handler.bind(null, WaitOnType.TIMEOUT), delay);
+ return promise;
+}
+class EventBus {
+ #listeners = Object.create(null);
+ on(eventName, listener, options = null) {
+ this._on(eventName, listener, {
+ external: true,
+ once: options?.once,
+ signal: options?.signal
+ });
+ }
+ off(eventName, listener, options = null) {
+ this._off(eventName, listener);
+ }
+ dispatch(eventName, data) {
+ const eventListeners = this.#listeners[eventName];
+ if (!eventListeners || eventListeners.length === 0) {
+ return;
+ }
+ let externalListeners;
+ for (const {
+ listener,
+ external,
+ once
+ } of eventListeners.slice(0)) {
+ if (once) {
+ this._off(eventName, listener);
+ }
+ if (external) {
+ (externalListeners ||= []).push(listener);
+ continue;
+ }
+ listener(data);
+ }
+ if (externalListeners) {
+ for (const listener of externalListeners) {
+ listener(data);
+ }
+ externalListeners = null;
+ }
+ }
+ _on(eventName, listener, options = null) {
+ let rmAbort = null;
+ if (options?.signal instanceof AbortSignal) {
+ const {
+ signal
+ } = options;
+ if (signal.aborted) {
+ console.error("Cannot use an `aborted` signal.");
+ return;
+ }
+ const onAbort = () => this._off(eventName, listener);
+ rmAbort = () => signal.removeEventListener("abort", onAbort);
+ signal.addEventListener("abort", onAbort);
+ }
+ const eventListeners = this.#listeners[eventName] ||= [];
+ eventListeners.push({
+ listener,
+ external: options?.external === true,
+ once: options?.once === true,
+ rmAbort
+ });
+ }
+ _off(eventName, listener, options = null) {
+ const eventListeners = this.#listeners[eventName];
+ if (!eventListeners) {
+ return;
+ }
+ for (let i = 0, ii = eventListeners.length; i < ii; i++) {
+ const evt = eventListeners[i];
+ if (evt.listener === listener) {
+ evt.rmAbort?.();
+ eventListeners.splice(i, 1);
+ return;
+ }
+ }
+ }
+}
+class FirefoxEventBus extends EventBus {
+ #externalServices;
+ #globalEventNames;
+ #isInAutomation;
+ constructor(globalEventNames, externalServices, isInAutomation) {
+ super();
+ this.#globalEventNames = globalEventNames;
+ this.#externalServices = externalServices;
+ this.#isInAutomation = isInAutomation;
+ }
+ dispatch(eventName, data) {
+ throw new Error("Not implemented: FirefoxEventBus.dispatch");
+ }
+}
+
+;// ./web/external_services.js
+class BaseExternalServices {
+ updateFindControlState(data) {}
+ updateFindMatchesCount(data) {}
+ initPassiveLoading() {}
+ reportTelemetry(data) {}
+ async createL10n() {
+ throw new Error("Not implemented: createL10n");
+ }
+ createScripting() {
+ throw new Error("Not implemented: createScripting");
+ }
+ createSignatureStorage() {
+ throw new Error("Not implemented: createSignatureStorage");
+ }
+ updateEditorStates(data) {
+ throw new Error("Not implemented: updateEditorStates");
+ }
+ dispatchGlobalEvent(_event) {}
+}
+
+;// ./web/preferences.js
+
+class BasePreferences {
+ #defaults = Object.freeze({
+ altTextLearnMoreUrl: "",
+ annotationEditorMode: 0,
+ annotationMode: 2,
+ capCanvasAreaFactor: 200,
+ commentLearnMoreUrl: "",
+ cursorToolOnLoad: 0,
+ defaultZoomDelay: 400,
+ defaultZoomValue: "",
+ disablePageLabels: false,
+ enableAltText: false,
+ enableAltTextModelDownload: true,
+ enableAutoLinking: true,
+ enableComment: false,
+ enableGuessAltText: true,
+ enableHighlightFloatingButton: false,
+ enableNewAltTextWhenAddingImage: true,
+ enableOptimizedPartialRendering: false,
+ enablePermissions: false,
+ enablePrintAutoRotate: true,
+ enableScripting: true,
+ enableSignatureEditor: false,
+ enableUpdatedAddImage: false,
+ externalLinkTarget: 0,
+ highlightEditorColors: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F,yellow_HCM=#FFFFCC,green_HCM=#53FFBC,blue_HCM=#80EBFF,pink_HCM=#F6B8FF,red_HCM=#C50043",
+ historyUpdateUrl: false,
+ ignoreDestinationZoom: false,
+ forcePageColors: false,
+ pageColorsBackground: "Canvas",
+ pageColorsForeground: "CanvasText",
+ pdfBugEnabled: false,
+ sidebarViewOnLoad: -1,
+ scrollModeOnLoad: -1,
+ spreadModeOnLoad: -1,
+ textLayerMode: 1,
+ viewerCssTheme: 0,
+ viewOnLoad: 0,
+ disableAutoFetch: false,
+ disableFontFace: false,
+ disableRange: false,
+ disableStream: false,
+ enableHWA: true,
+ enableXfa: true
+ });
+ #initializedPromise = null;
+ constructor() {
+ this.#initializedPromise = this._readFromStorage(this.#defaults).then(({
+ browserPrefs,
+ prefs
+ }) => {
+ if (AppOptions._checkDisablePreferences()) {
+ return;
+ }
+ AppOptions.setAll({
+ ...browserPrefs,
+ ...prefs
+ }, true);
+ });
+ }
+ async _writeToStorage(prefObj) {
+ throw new Error("Not implemented: _writeToStorage");
+ }
+ async _readFromStorage(prefObj) {
+ throw new Error("Not implemented: _readFromStorage");
+ }
+ async reset() {
+ await this.#initializedPromise;
+ AppOptions.setAll(this.#defaults, true);
+ await this._writeToStorage(this.#defaults);
+ }
+ async set(name, value) {
+ await this.#initializedPromise;
+ AppOptions.setAll({
+ [name]: value
+ }, true);
+ await this._writeToStorage(AppOptions.getAll(OptionKind.PREFERENCE));
+ }
+ async get(name) {
+ await this.#initializedPromise;
+ return AppOptions.get(name);
+ }
+ get initializedPromise() {
+ return this.#initializedPromise;
+ }
+}
+
+;// ./node_modules/@fluent/bundle/esm/types.js
+class FluentType {
+ constructor(value) {
+ this.value = value;
+ }
+ valueOf() {
+ return this.value;
+ }
+}
+class FluentNone extends FluentType {
+ constructor(value = "???") {
+ super(value);
+ }
+ toString(scope) {
+ return `{${this.value}}`;
+ }
+}
+class FluentNumber extends FluentType {
+ constructor(value, opts = {}) {
+ super(value);
+ this.opts = opts;
+ }
+ toString(scope) {
+ if (scope) {
+ try {
+ const nf = scope.memoizeIntlObject(Intl.NumberFormat, this.opts);
+ return nf.format(this.value);
+ } catch (err) {
+ scope.reportError(err);
+ }
+ }
+ return this.value.toString(10);
+ }
+}
+class FluentDateTime extends FluentType {
+ static supportsValue(value) {
+ if (typeof value === "number") return true;
+ if (value instanceof Date) return true;
+ if (value instanceof FluentType) return FluentDateTime.supportsValue(value.valueOf());
+ if ("Temporal" in globalThis) {
+ const _Temporal = globalThis.Temporal;
+ if (value instanceof _Temporal.Instant || value instanceof _Temporal.PlainDateTime || value instanceof _Temporal.PlainDate || value instanceof _Temporal.PlainMonthDay || value instanceof _Temporal.PlainTime || value instanceof _Temporal.PlainYearMonth) {
+ return true;
+ }
+ }
+ return false;
+ }
+ constructor(value, opts = {}) {
+ if (value instanceof FluentDateTime) {
+ opts = {
+ ...value.opts,
+ ...opts
+ };
+ value = value.value;
+ } else if (value instanceof FluentType) {
+ value = value.valueOf();
+ }
+ if (typeof value === "object" && "calendarId" in value && opts.calendar === undefined) {
+ opts = {
+ ...opts,
+ calendar: value.calendarId
+ };
+ }
+ super(value);
+ this.opts = opts;
+ }
+ [Symbol.toPrimitive](hint) {
+ return hint === "string" ? this.toString() : this.toNumber();
+ }
+ toNumber() {
+ const value = this.value;
+ if (typeof value === "number") return value;
+ if (value instanceof Date) return value.getTime();
+ if ("epochMilliseconds" in value) {
+ return value.epochMilliseconds;
+ }
+ if ("toZonedDateTime" in value) {
+ return value.toZonedDateTime("UTC").epochMilliseconds;
+ }
+ throw new TypeError("Unwrapping a non-number value as a number");
+ }
+ toString(scope) {
+ if (scope) {
+ try {
+ const dtf = scope.memoizeIntlObject(Intl.DateTimeFormat, this.opts);
+ return dtf.format(this.value);
+ } catch (err) {
+ scope.reportError(err);
+ }
+ }
+ if (typeof this.value === "number" || this.value instanceof Date) {
+ return new Date(this.value).toISOString();
+ }
+ return this.value.toString();
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/resolver.js
+
+const MAX_PLACEABLES = 100;
+const FSI = "\u2068";
+const PDI = "\u2069";
+function match(scope, selector, key) {
+ if (key === selector) {
+ return true;
+ }
+ if (key instanceof FluentNumber && selector instanceof FluentNumber && key.value === selector.value) {
+ return true;
+ }
+ if (selector instanceof FluentNumber && typeof key === "string") {
+ let category = scope.memoizeIntlObject(Intl.PluralRules, selector.opts).select(selector.value);
+ if (key === category) {
+ return true;
+ }
+ }
+ return false;
+}
+function getDefault(scope, variants, star) {
+ if (variants[star]) {
+ return resolvePattern(scope, variants[star].value);
+ }
+ scope.reportError(new RangeError("No default"));
+ return new FluentNone();
+}
+function getArguments(scope, args) {
+ const positional = [];
+ const named = Object.create(null);
+ for (const arg of args) {
+ if (arg.type === "narg") {
+ named[arg.name] = resolveExpression(scope, arg.value);
+ } else {
+ positional.push(resolveExpression(scope, arg));
+ }
+ }
+ return {
+ positional,
+ named
+ };
+}
+function resolveExpression(scope, expr) {
+ switch (expr.type) {
+ case "str":
+ return expr.value;
+ case "num":
+ return new FluentNumber(expr.value, {
+ minimumFractionDigits: expr.precision
+ });
+ case "var":
+ return resolveVariableReference(scope, expr);
+ case "mesg":
+ return resolveMessageReference(scope, expr);
+ case "term":
+ return resolveTermReference(scope, expr);
+ case "func":
+ return resolveFunctionReference(scope, expr);
+ case "select":
+ return resolveSelectExpression(scope, expr);
+ default:
+ return new FluentNone();
+ }
+}
+function resolveVariableReference(scope, {
+ name
+}) {
+ let arg;
+ if (scope.params) {
+ if (Object.prototype.hasOwnProperty.call(scope.params, name)) {
+ arg = scope.params[name];
+ } else {
+ return new FluentNone(`$${name}`);
+ }
+ } else if (scope.args && Object.prototype.hasOwnProperty.call(scope.args, name)) {
+ arg = scope.args[name];
+ } else {
+ scope.reportError(new ReferenceError(`Unknown variable: $${name}`));
+ return new FluentNone(`$${name}`);
+ }
+ if (arg instanceof FluentType) {
+ return arg;
+ }
+ switch (typeof arg) {
+ case "string":
+ return arg;
+ case "number":
+ return new FluentNumber(arg);
+ case "object":
+ if (FluentDateTime.supportsValue(arg)) {
+ return new FluentDateTime(arg);
+ }
+ default:
+ scope.reportError(new TypeError(`Variable type not supported: $${name}, ${typeof arg}`));
+ return new FluentNone(`$${name}`);
+ }
+}
+function resolveMessageReference(scope, {
+ name,
+ attr
+}) {
+ const message = scope.bundle._messages.get(name);
+ if (!message) {
+ scope.reportError(new ReferenceError(`Unknown message: ${name}`));
+ return new FluentNone(name);
+ }
+ if (attr) {
+ const attribute = message.attributes[attr];
+ if (attribute) {
+ return resolvePattern(scope, attribute);
+ }
+ scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));
+ return new FluentNone(`${name}.${attr}`);
+ }
+ if (message.value) {
+ return resolvePattern(scope, message.value);
+ }
+ scope.reportError(new ReferenceError(`No value: ${name}`));
+ return new FluentNone(name);
+}
+function resolveTermReference(scope, {
+ name,
+ attr,
+ args
+}) {
+ const id = `-${name}`;
+ const term = scope.bundle._terms.get(id);
+ if (!term) {
+ scope.reportError(new ReferenceError(`Unknown term: ${id}`));
+ return new FluentNone(id);
+ }
+ if (attr) {
+ const attribute = term.attributes[attr];
+ if (attribute) {
+ scope.params = getArguments(scope, args).named;
+ const resolved = resolvePattern(scope, attribute);
+ scope.params = null;
+ return resolved;
+ }
+ scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));
+ return new FluentNone(`${id}.${attr}`);
+ }
+ scope.params = getArguments(scope, args).named;
+ const resolved = resolvePattern(scope, term.value);
+ scope.params = null;
+ return resolved;
+}
+function resolveFunctionReference(scope, {
+ name,
+ args
+}) {
+ let func = scope.bundle._functions[name];
+ if (!func) {
+ scope.reportError(new ReferenceError(`Unknown function: ${name}()`));
+ return new FluentNone(`${name}()`);
+ }
+ if (typeof func !== "function") {
+ scope.reportError(new TypeError(`Function ${name}() is not callable`));
+ return new FluentNone(`${name}()`);
+ }
+ try {
+ let resolved = getArguments(scope, args);
+ return func(resolved.positional, resolved.named);
+ } catch (err) {
+ scope.reportError(err);
+ return new FluentNone(`${name}()`);
+ }
+}
+function resolveSelectExpression(scope, {
+ selector,
+ variants,
+ star
+}) {
+ let sel = resolveExpression(scope, selector);
+ if (sel instanceof FluentNone) {
+ return getDefault(scope, variants, star);
+ }
+ for (const variant of variants) {
+ const key = resolveExpression(scope, variant.key);
+ if (match(scope, sel, key)) {
+ return resolvePattern(scope, variant.value);
+ }
+ }
+ return getDefault(scope, variants, star);
+}
+function resolveComplexPattern(scope, ptn) {
+ if (scope.dirty.has(ptn)) {
+ scope.reportError(new RangeError("Cyclic reference"));
+ return new FluentNone();
+ }
+ scope.dirty.add(ptn);
+ const result = [];
+ const useIsolating = scope.bundle._useIsolating && ptn.length > 1;
+ for (const elem of ptn) {
+ if (typeof elem === "string") {
+ result.push(scope.bundle._transform(elem));
+ continue;
+ }
+ scope.placeables++;
+ if (scope.placeables > MAX_PLACEABLES) {
+ scope.dirty.delete(ptn);
+ throw new RangeError(`Too many placeables expanded: ${scope.placeables}, ` + `max allowed is ${MAX_PLACEABLES}`);
+ }
+ if (useIsolating) {
+ result.push(FSI);
+ }
+ result.push(resolveExpression(scope, elem).toString(scope));
+ if (useIsolating) {
+ result.push(PDI);
+ }
+ }
+ scope.dirty.delete(ptn);
+ return result.join("");
+}
+function resolvePattern(scope, value) {
+ if (typeof value === "string") {
+ return scope.bundle._transform(value);
+ }
+ return resolveComplexPattern(scope, value);
+}
+;// ./node_modules/@fluent/bundle/esm/scope.js
+class Scope {
+ constructor(bundle, errors, args) {
+ this.dirty = new WeakSet();
+ this.params = null;
+ this.placeables = 0;
+ this.bundle = bundle;
+ this.errors = errors;
+ this.args = args;
+ }
+ reportError(error) {
+ if (!this.errors || !(error instanceof Error)) {
+ throw error;
+ }
+ this.errors.push(error);
+ }
+ memoizeIntlObject(ctor, opts) {
+ let cache = this.bundle._intls.get(ctor);
+ if (!cache) {
+ cache = {};
+ this.bundle._intls.set(ctor, cache);
+ }
+ let id = JSON.stringify(opts);
+ if (!cache[id]) {
+ cache[id] = new ctor(this.bundle.locales, opts);
+ }
+ return cache[id];
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/builtins.js
+
+function values(opts, allowed) {
+ const unwrapped = Object.create(null);
+ for (const [name, opt] of Object.entries(opts)) {
+ if (allowed.includes(name)) {
+ unwrapped[name] = opt.valueOf();
+ }
+ }
+ return unwrapped;
+}
+const NUMBER_ALLOWED = ["unitDisplay", "currencyDisplay", "useGrouping", "minimumIntegerDigits", "minimumFractionDigits", "maximumFractionDigits", "minimumSignificantDigits", "maximumSignificantDigits"];
+function NUMBER(args, opts) {
+ let arg = args[0];
+ if (arg instanceof FluentNone) {
+ return new FluentNone(`NUMBER(${arg.valueOf()})`);
+ }
+ if (arg instanceof FluentNumber) {
+ return new FluentNumber(arg.valueOf(), {
+ ...arg.opts,
+ ...values(opts, NUMBER_ALLOWED)
+ });
+ }
+ if (arg instanceof FluentDateTime) {
+ return new FluentNumber(arg.toNumber(), {
+ ...values(opts, NUMBER_ALLOWED)
+ });
+ }
+ throw new TypeError("Invalid argument to NUMBER");
+}
+const DATETIME_ALLOWED = ["dateStyle", "timeStyle", "fractionalSecondDigits", "dayPeriod", "hour12", "weekday", "era", "year", "month", "day", "hour", "minute", "second", "timeZoneName"];
+function DATETIME(args, opts) {
+ let arg = args[0];
+ if (arg instanceof FluentNone) {
+ return new FluentNone(`DATETIME(${arg.valueOf()})`);
+ }
+ if (arg instanceof FluentDateTime || arg instanceof FluentNumber) {
+ return new FluentDateTime(arg, values(opts, DATETIME_ALLOWED));
+ }
+ throw new TypeError("Invalid argument to DATETIME");
+}
+;// ./node_modules/@fluent/bundle/esm/memoizer.js
+const cache = new Map();
+function getMemoizerForLocale(locales) {
+ const stringLocale = Array.isArray(locales) ? locales.join(" ") : locales;
+ let memoizer = cache.get(stringLocale);
+ if (memoizer === undefined) {
+ memoizer = new Map();
+ cache.set(stringLocale, memoizer);
+ }
+ return memoizer;
+}
+;// ./node_modules/@fluent/bundle/esm/bundle.js
+
+
+
+
+
+class FluentBundle {
+ constructor(locales, {
+ functions,
+ useIsolating = true,
+ transform = v => v
+ } = {}) {
+ this._terms = new Map();
+ this._messages = new Map();
+ this.locales = Array.isArray(locales) ? locales : [locales];
+ this._functions = {
+ NUMBER: NUMBER,
+ DATETIME: DATETIME,
+ ...functions
+ };
+ this._useIsolating = useIsolating;
+ this._transform = transform;
+ this._intls = getMemoizerForLocale(locales);
+ }
+ hasMessage(id) {
+ return this._messages.has(id);
+ }
+ getMessage(id) {
+ return this._messages.get(id);
+ }
+ addResource(res, {
+ allowOverrides = false
+ } = {}) {
+ const errors = [];
+ for (let i = 0; i < res.body.length; i++) {
+ let entry = res.body[i];
+ if (entry.id.startsWith("-")) {
+ if (allowOverrides === false && this._terms.has(entry.id)) {
+ errors.push(new Error(`Attempt to override an existing term: "${entry.id}"`));
+ continue;
+ }
+ this._terms.set(entry.id, entry);
+ } else {
+ if (allowOverrides === false && this._messages.has(entry.id)) {
+ errors.push(new Error(`Attempt to override an existing message: "${entry.id}"`));
+ continue;
+ }
+ this._messages.set(entry.id, entry);
+ }
+ }
+ return errors;
+ }
+ formatPattern(pattern, args = null, errors = null) {
+ if (typeof pattern === "string") {
+ return this._transform(pattern);
+ }
+ let scope = new Scope(this, errors, args);
+ try {
+ let value = resolveComplexPattern(scope, pattern);
+ return value.toString(scope);
+ } catch (err) {
+ if (scope.errors && err instanceof Error) {
+ scope.errors.push(err);
+ return new FluentNone().toString(scope);
+ }
+ throw err;
+ }
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/resource.js
+const RE_MESSAGE_START = /^(-?[a-zA-Z][\w-]*) *= */gm;
+const RE_ATTRIBUTE_START = /\.([a-zA-Z][\w-]*) *= */y;
+const RE_VARIANT_START = /\*?\[/y;
+const RE_NUMBER_LITERAL = /(-?[0-9]+(?:\.([0-9]+))?)/y;
+const RE_IDENTIFIER = /([a-zA-Z][\w-]*)/y;
+const RE_REFERENCE = /([$-])?([a-zA-Z][\w-]*)(?:\.([a-zA-Z][\w-]*))?/y;
+const RE_FUNCTION_NAME = /^[A-Z][A-Z0-9_-]*$/;
+const RE_TEXT_RUN = /([^{}\n\r]+)/y;
+const RE_STRING_RUN = /([^\\"\n\r]*)/y;
+const RE_STRING_ESCAPE = /\\([\\"])/y;
+const RE_UNICODE_ESCAPE = /\\u([a-fA-F0-9]{4})|\\U([a-fA-F0-9]{6})/y;
+const RE_LEADING_NEWLINES = /^\n+/;
+const RE_TRAILING_SPACES = / +$/;
+const RE_BLANK_LINES = / *\r?\n/g;
+const RE_INDENT = /( *)$/;
+const TOKEN_BRACE_OPEN = /{\s*/y;
+const TOKEN_BRACE_CLOSE = /\s*}/y;
+const TOKEN_BRACKET_OPEN = /\[\s*/y;
+const TOKEN_BRACKET_CLOSE = /\s*] */y;
+const TOKEN_PAREN_OPEN = /\s*\(\s*/y;
+const TOKEN_ARROW = /\s*->\s*/y;
+const TOKEN_COLON = /\s*:\s*/y;
+const TOKEN_COMMA = /\s*,?\s*/y;
+const TOKEN_BLANK = /\s+/y;
+class FluentResource {
+ constructor(source) {
+ this.body = [];
+ RE_MESSAGE_START.lastIndex = 0;
+ let cursor = 0;
+ while (true) {
+ let next = RE_MESSAGE_START.exec(source);
+ if (next === null) {
+ break;
+ }
+ cursor = RE_MESSAGE_START.lastIndex;
+ try {
+ this.body.push(parseMessage(next[1]));
+ } catch (err) {
+ if (err instanceof SyntaxError) {
+ continue;
+ }
+ throw err;
+ }
+ }
+ function test(re) {
+ re.lastIndex = cursor;
+ return re.test(source);
+ }
+ function consumeChar(char, errorClass) {
+ if (source[cursor] === char) {
+ cursor++;
+ return true;
+ }
+ if (errorClass) {
+ throw new errorClass(`Expected ${char}`);
+ }
+ return false;
+ }
+ function consumeToken(re, errorClass) {
+ if (test(re)) {
+ cursor = re.lastIndex;
+ return true;
+ }
+ if (errorClass) {
+ throw new errorClass(`Expected ${re.toString()}`);
+ }
+ return false;
+ }
+ function match(re) {
+ re.lastIndex = cursor;
+ let result = re.exec(source);
+ if (result === null) {
+ throw new SyntaxError(`Expected ${re.toString()}`);
+ }
+ cursor = re.lastIndex;
+ return result;
+ }
+ function match1(re) {
+ return match(re)[1];
+ }
+ function parseMessage(id) {
+ let value = parsePattern();
+ let attributes = parseAttributes();
+ if (value === null && Object.keys(attributes).length === 0) {
+ throw new SyntaxError("Expected message value or attributes");
+ }
+ return {
+ id,
+ value,
+ attributes
+ };
+ }
+ function parseAttributes() {
+ let attrs = Object.create(null);
+ while (test(RE_ATTRIBUTE_START)) {
+ let name = match1(RE_ATTRIBUTE_START);
+ let value = parsePattern();
+ if (value === null) {
+ throw new SyntaxError("Expected attribute value");
+ }
+ attrs[name] = value;
+ }
+ return attrs;
+ }
+ function parsePattern() {
+ let first;
+ if (test(RE_TEXT_RUN)) {
+ first = match1(RE_TEXT_RUN);
+ }
+ if (source[cursor] === "{" || source[cursor] === "}") {
+ return parsePatternElements(first ? [first] : [], Infinity);
+ }
+ let indent = parseIndent();
+ if (indent) {
+ if (first) {
+ return parsePatternElements([first, indent], indent.length);
+ }
+ indent.value = trim(indent.value, RE_LEADING_NEWLINES);
+ return parsePatternElements([indent], indent.length);
+ }
+ if (first) {
+ return trim(first, RE_TRAILING_SPACES);
+ }
+ return null;
+ }
+ function parsePatternElements(elements = [], commonIndent) {
+ while (true) {
+ if (test(RE_TEXT_RUN)) {
+ elements.push(match1(RE_TEXT_RUN));
+ continue;
+ }
+ if (source[cursor] === "{") {
+ elements.push(parsePlaceable());
+ continue;
+ }
+ if (source[cursor] === "}") {
+ throw new SyntaxError("Unbalanced closing brace");
+ }
+ let indent = parseIndent();
+ if (indent) {
+ elements.push(indent);
+ commonIndent = Math.min(commonIndent, indent.length);
+ continue;
+ }
+ break;
+ }
+ let lastIndex = elements.length - 1;
+ let lastElement = elements[lastIndex];
+ if (typeof lastElement === "string") {
+ elements[lastIndex] = trim(lastElement, RE_TRAILING_SPACES);
+ }
+ let baked = [];
+ for (let element of elements) {
+ if (element instanceof Indent) {
+ element = element.value.slice(0, element.value.length - commonIndent);
+ }
+ if (element) {
+ baked.push(element);
+ }
+ }
+ return baked;
+ }
+ function parsePlaceable() {
+ consumeToken(TOKEN_BRACE_OPEN, SyntaxError);
+ let selector = parseInlineExpression();
+ if (consumeToken(TOKEN_BRACE_CLOSE)) {
+ return selector;
+ }
+ if (consumeToken(TOKEN_ARROW)) {
+ let variants = parseVariants();
+ consumeToken(TOKEN_BRACE_CLOSE, SyntaxError);
+ return {
+ type: "select",
+ selector,
+ ...variants
+ };
+ }
+ throw new SyntaxError("Unclosed placeable");
+ }
+ function parseInlineExpression() {
+ if (source[cursor] === "{") {
+ return parsePlaceable();
+ }
+ if (test(RE_REFERENCE)) {
+ let [, sigil, name, attr = null] = match(RE_REFERENCE);
+ if (sigil === "$") {
+ return {
+ type: "var",
+ name
+ };
+ }
+ if (consumeToken(TOKEN_PAREN_OPEN)) {
+ let args = parseArguments();
+ if (sigil === "-") {
+ return {
+ type: "term",
+ name,
+ attr,
+ args
+ };
+ }
+ if (RE_FUNCTION_NAME.test(name)) {
+ return {
+ type: "func",
+ name,
+ args
+ };
+ }
+ throw new SyntaxError("Function names must be all upper-case");
+ }
+ if (sigil === "-") {
+ return {
+ type: "term",
+ name,
+ attr,
+ args: []
+ };
+ }
+ return {
+ type: "mesg",
+ name,
+ attr
+ };
+ }
+ return parseLiteral();
+ }
+ function parseArguments() {
+ let args = [];
+ while (true) {
+ switch (source[cursor]) {
+ case ")":
+ cursor++;
+ return args;
+ case undefined:
+ throw new SyntaxError("Unclosed argument list");
+ }
+ args.push(parseArgument());
+ consumeToken(TOKEN_COMMA);
+ }
+ }
+ function parseArgument() {
+ let expr = parseInlineExpression();
+ if (expr.type !== "mesg") {
+ return expr;
+ }
+ if (consumeToken(TOKEN_COLON)) {
+ return {
+ type: "narg",
+ name: expr.name,
+ value: parseLiteral()
+ };
+ }
+ return expr;
+ }
+ function parseVariants() {
+ let variants = [];
+ let count = 0;
+ let star;
+ while (test(RE_VARIANT_START)) {
+ if (consumeChar("*")) {
+ star = count;
+ }
+ let key = parseVariantKey();
+ let value = parsePattern();
+ if (value === null) {
+ throw new SyntaxError("Expected variant value");
+ }
+ variants[count++] = {
+ key,
+ value
+ };
+ }
+ if (count === 0) {
+ return null;
+ }
+ if (star === undefined) {
+ throw new SyntaxError("Expected default variant");
+ }
+ return {
+ variants,
+ star
+ };
+ }
+ function parseVariantKey() {
+ consumeToken(TOKEN_BRACKET_OPEN, SyntaxError);
+ let key;
+ if (test(RE_NUMBER_LITERAL)) {
+ key = parseNumberLiteral();
+ } else {
+ key = {
+ type: "str",
+ value: match1(RE_IDENTIFIER)
+ };
+ }
+ consumeToken(TOKEN_BRACKET_CLOSE, SyntaxError);
+ return key;
+ }
+ function parseLiteral() {
+ if (test(RE_NUMBER_LITERAL)) {
+ return parseNumberLiteral();
+ }
+ if (source[cursor] === '"') {
+ return parseStringLiteral();
+ }
+ throw new SyntaxError("Invalid expression");
+ }
+ function parseNumberLiteral() {
+ let [, value, fraction = ""] = match(RE_NUMBER_LITERAL);
+ let precision = fraction.length;
+ return {
+ type: "num",
+ value: parseFloat(value),
+ precision
+ };
+ }
+ function parseStringLiteral() {
+ consumeChar('"', SyntaxError);
+ let value = "";
+ while (true) {
+ value += match1(RE_STRING_RUN);
+ if (source[cursor] === "\\") {
+ value += parseEscapeSequence();
+ continue;
+ }
+ if (consumeChar('"')) {
+ return {
+ type: "str",
+ value
+ };
+ }
+ throw new SyntaxError("Unclosed string literal");
+ }
+ }
+ function parseEscapeSequence() {
+ if (test(RE_STRING_ESCAPE)) {
+ return match1(RE_STRING_ESCAPE);
+ }
+ if (test(RE_UNICODE_ESCAPE)) {
+ let [, codepoint4, codepoint6] = match(RE_UNICODE_ESCAPE);
+ let codepoint = parseInt(codepoint4 || codepoint6, 16);
+ return codepoint <= 0xd7ff || 0xe000 <= codepoint ? String.fromCodePoint(codepoint) : "�";
+ }
+ throw new SyntaxError("Unknown escape sequence");
+ }
+ function parseIndent() {
+ let start = cursor;
+ consumeToken(TOKEN_BLANK);
+ switch (source[cursor]) {
+ case ".":
+ case "[":
+ case "*":
+ case "}":
+ case undefined:
+ return false;
+ case "{":
+ return makeIndent(source.slice(start, cursor));
+ }
+ if (source[cursor - 1] === " ") {
+ return makeIndent(source.slice(start, cursor));
+ }
+ return false;
+ }
+ function trim(text, re) {
+ return text.replace(re, "");
+ }
+ function makeIndent(blank) {
+ let value = blank.replace(RE_BLANK_LINES, "\n");
+ let length = RE_INDENT.exec(blank)[1].length;
+ return new Indent(value, length);
+ }
+ }
+}
+class Indent {
+ constructor(value, length) {
+ this.value = value;
+ this.length = length;
+ }
+}
+;// ./node_modules/@fluent/bundle/esm/index.js
+
+
+
+;// ./node_modules/@fluent/dom/esm/overlay.js
+const reOverlay = /<|?\w+;/;
+const TEXT_LEVEL_ELEMENTS = {
+ "http://www.w3.org/1999/xhtml": ["em", "strong", "small", "s", "cite", "q", "dfn", "abbr", "data", "time", "code", "var", "samp", "kbd", "sub", "sup", "i", "b", "u", "mark", "bdi", "bdo", "span", "br", "wbr"]
+};
+const LOCALIZABLE_ATTRIBUTES = {
+ "http://www.w3.org/1999/xhtml": {
+ global: ["title", "aria-description", "aria-label", "aria-valuetext"],
+ a: ["download"],
+ area: ["download", "alt"],
+ input: ["alt", "placeholder"],
+ menuitem: ["label"],
+ menu: ["label"],
+ optgroup: ["label"],
+ option: ["label"],
+ track: ["label"],
+ img: ["alt"],
+ textarea: ["placeholder"],
+ th: ["abbr"]
+ },
+ "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul": {
+ global: ["accesskey", "aria-label", "aria-valuetext", "label", "title", "tooltiptext"],
+ description: ["value"],
+ key: ["key", "keycode"],
+ label: ["value"],
+ textbox: ["placeholder", "value"]
+ }
+};
+function translateElement(element, translation) {
+ const {
+ value
+ } = translation;
+ if (typeof value === "string") {
+ if (element.localName === "title" && element.namespaceURI === "http://www.w3.org/1999/xhtml") {
+ element.textContent = value;
+ } else if (!reOverlay.test(value)) {
+ element.textContent = value;
+ } else {
+ const templateElement = element.ownerDocument.createElementNS("http://www.w3.org/1999/xhtml", "template");
+ templateElement.innerHTML = value;
+ overlayChildNodes(templateElement.content, element);
+ }
+ }
+ overlayAttributes(translation, element);
+}
+function overlayChildNodes(fromFragment, toElement) {
+ for (const childNode of fromFragment.childNodes) {
+ if (childNode.nodeType === childNode.TEXT_NODE) {
+ continue;
+ }
+ if (childNode.hasAttribute("data-l10n-name")) {
+ const sanitized = getNodeForNamedElement(toElement, childNode);
+ fromFragment.replaceChild(sanitized, childNode);
+ continue;
+ }
+ if (isElementAllowed(childNode)) {
+ const sanitized = createSanitizedElement(childNode);
+ fromFragment.replaceChild(sanitized, childNode);
+ continue;
+ }
+ console.warn(`An element of forbidden type "${childNode.localName}" was found in ` + "the translation. Only safe text-level elements and elements with " + "data-l10n-name are allowed.");
+ fromFragment.replaceChild(createTextNodeFromTextContent(childNode), childNode);
+ }
+ toElement.textContent = "";
+ toElement.appendChild(fromFragment);
+}
+function hasAttribute(attributes, name) {
+ if (!attributes) {
+ return false;
+ }
+ for (let attr of attributes) {
+ if (attr.name === name) {
+ return true;
+ }
+ }
+ return false;
+}
+function overlayAttributes(fromElement, toElement) {
+ const explicitlyAllowed = toElement.hasAttribute("data-l10n-attrs") ? toElement.getAttribute("data-l10n-attrs").split(",").map(i => i.trim()) : null;
+ for (const attr of Array.from(toElement.attributes)) {
+ if (isAttrNameLocalizable(attr.name, toElement, explicitlyAllowed) && !hasAttribute(fromElement.attributes, attr.name)) {
+ toElement.removeAttribute(attr.name);
+ }
+ }
+ if (!fromElement.attributes) {
+ return;
+ }
+ for (const attr of Array.from(fromElement.attributes)) {
+ if (isAttrNameLocalizable(attr.name, toElement, explicitlyAllowed) && toElement.getAttribute(attr.name) !== attr.value) {
+ toElement.setAttribute(attr.name, attr.value);
+ }
+ }
+}
+function getNodeForNamedElement(sourceElement, translatedChild) {
+ const childName = translatedChild.getAttribute("data-l10n-name");
+ const sourceChild = sourceElement.querySelector(`[data-l10n-name="${childName}"]`);
+ if (!sourceChild) {
+ console.warn(`An element named "${childName}" wasn't found in the source.`);
+ return createTextNodeFromTextContent(translatedChild);
+ }
+ if (sourceChild.localName !== translatedChild.localName) {
+ console.warn(`An element named "${childName}" was found in the translation ` + `but its type ${translatedChild.localName} didn't match the ` + `element found in the source (${sourceChild.localName}).`);
+ return createTextNodeFromTextContent(translatedChild);
+ }
+ sourceElement.removeChild(sourceChild);
+ const clone = sourceChild.cloneNode(false);
+ return shallowPopulateUsing(translatedChild, clone);
+}
+function createSanitizedElement(element) {
+ const clone = element.ownerDocument.createElement(element.localName);
+ return shallowPopulateUsing(element, clone);
+}
+function createTextNodeFromTextContent(element) {
+ return element.ownerDocument.createTextNode(element.textContent);
+}
+function isElementAllowed(element) {
+ const allowed = TEXT_LEVEL_ELEMENTS[element.namespaceURI];
+ return allowed && allowed.includes(element.localName);
+}
+function isAttrNameLocalizable(name, element, explicitlyAllowed = null) {
+ if (explicitlyAllowed && explicitlyAllowed.includes(name)) {
+ return true;
+ }
+ const allowed = LOCALIZABLE_ATTRIBUTES[element.namespaceURI];
+ if (!allowed) {
+ return false;
+ }
+ const attrName = name.toLowerCase();
+ const elemName = element.localName;
+ if (allowed.global.includes(attrName)) {
+ return true;
+ }
+ if (!allowed[elemName]) {
+ return false;
+ }
+ if (allowed[elemName].includes(attrName)) {
+ return true;
+ }
+ if (element.namespaceURI === "http://www.w3.org/1999/xhtml" && elemName === "input" && attrName === "value") {
+ const type = element.type.toLowerCase();
+ if (type === "submit" || type === "button" || type === "reset") {
+ return true;
+ }
+ }
+ return false;
+}
+function shallowPopulateUsing(fromElement, toElement) {
+ toElement.textContent = fromElement.textContent;
+ overlayAttributes(fromElement, toElement);
+ return toElement;
+}
+;// ./node_modules/cached-iterable/src/cached_iterable.mjs
+class CachedIterable extends Array {
+ static from(iterable) {
+ if (iterable instanceof this) {
+ return iterable;
+ }
+ return new this(iterable);
+ }
+}
+;// ./node_modules/cached-iterable/src/cached_sync_iterable.mjs
+
+class CachedSyncIterable extends CachedIterable {
+ constructor(iterable) {
+ super();
+ if (Symbol.iterator in Object(iterable)) {
+ this.iterator = iterable[Symbol.iterator]();
+ } else {
+ throw new TypeError("Argument must implement the iteration protocol.");
+ }
+ }
+ [Symbol.iterator]() {
+ const cached = this;
+ let cur = 0;
+ return {
+ next() {
+ if (cached.length <= cur) {
+ cached.push(cached.iterator.next());
+ }
+ return cached[cur++];
+ }
+ };
+ }
+ touchNext(count = 1) {
+ let idx = 0;
+ while (idx++ < count) {
+ const last = this[this.length - 1];
+ if (last && last.done) {
+ break;
+ }
+ this.push(this.iterator.next());
+ }
+ return this[this.length - 1];
+ }
+}
+;// ./node_modules/cached-iterable/src/cached_async_iterable.mjs
+
+class CachedAsyncIterable extends CachedIterable {
+ constructor(iterable) {
+ super();
+ if (Symbol.asyncIterator in Object(iterable)) {
+ this.iterator = iterable[Symbol.asyncIterator]();
+ } else if (Symbol.iterator in Object(iterable)) {
+ this.iterator = iterable[Symbol.iterator]();
+ } else {
+ throw new TypeError("Argument must implement the iteration protocol.");
+ }
+ }
+ [Symbol.asyncIterator]() {
+ const cached = this;
+ let cur = 0;
+ return {
+ async next() {
+ if (cached.length <= cur) {
+ cached.push(cached.iterator.next());
+ }
+ return cached[cur++];
+ }
+ };
+ }
+ async touchNext(count = 1) {
+ let idx = 0;
+ while (idx++ < count) {
+ const last = this[this.length - 1];
+ if (last && (await last).done) {
+ break;
+ }
+ this.push(this.iterator.next());
+ }
+ return this[this.length - 1];
+ }
+}
+;// ./node_modules/cached-iterable/src/index.mjs
+
+
+;// ./node_modules/@fluent/dom/esm/localization.js
+
+class Localization {
+ constructor(resourceIds = [], generateBundles) {
+ this.resourceIds = resourceIds;
+ this.generateBundles = generateBundles;
+ this.onChange(true);
+ }
+ addResourceIds(resourceIds, eager = false) {
+ this.resourceIds.push(...resourceIds);
+ this.onChange(eager);
+ return this.resourceIds.length;
+ }
+ removeResourceIds(resourceIds) {
+ this.resourceIds = this.resourceIds.filter(r => !resourceIds.includes(r));
+ this.onChange();
+ return this.resourceIds.length;
+ }
+ async formatWithFallback(keys, method) {
+ const translations = [];
+ let hasAtLeastOneBundle = false;
+ for await (const bundle of this.bundles) {
+ hasAtLeastOneBundle = true;
+ const missingIds = keysFromBundle(method, bundle, keys, translations);
+ if (missingIds.size === 0) {
+ break;
+ }
+ if (typeof console !== "undefined") {
+ const locale = bundle.locales[0];
+ const ids = Array.from(missingIds).join(", ");
+ console.warn(`[fluent] Missing translations in ${locale}: ${ids}`);
+ }
+ }
+ if (!hasAtLeastOneBundle && typeof console !== "undefined") {
+ console.warn(`[fluent] Request for keys failed because no resource bundles got generated.
+ keys: ${JSON.stringify(keys)}.
+ resourceIds: ${JSON.stringify(this.resourceIds)}.`);
+ }
+ return translations;
+ }
+ formatMessages(keys) {
+ return this.formatWithFallback(keys, messageFromBundle);
+ }
+ formatValues(keys) {
+ return this.formatWithFallback(keys, valueFromBundle);
+ }
+ async formatValue(id, args) {
+ const [val] = await this.formatValues([{
+ id,
+ args
+ }]);
+ return val;
+ }
+ handleEvent() {
+ this.onChange();
+ }
+ onChange(eager = false) {
+ this.bundles = CachedAsyncIterable.from(this.generateBundles(this.resourceIds));
+ if (eager) {
+ this.bundles.touchNext(2);
+ }
+ }
+}
+function valueFromBundle(bundle, errors, message, args) {
+ if (message.value) {
+ return bundle.formatPattern(message.value, args, errors);
+ }
+ return null;
+}
+function messageFromBundle(bundle, errors, message, args) {
+ const formatted = {
+ value: null,
+ attributes: null
+ };
+ if (message.value) {
+ formatted.value = bundle.formatPattern(message.value, args, errors);
+ }
+ let attrNames = Object.keys(message.attributes);
+ if (attrNames.length > 0) {
+ formatted.attributes = new Array(attrNames.length);
+ for (let [i, name] of attrNames.entries()) {
+ let value = bundle.formatPattern(message.attributes[name], args, errors);
+ formatted.attributes[i] = {
+ name,
+ value
+ };
+ }
+ }
+ return formatted;
+}
+function keysFromBundle(method, bundle, keys, translations) {
+ const messageErrors = [];
+ const missingIds = new Set();
+ keys.forEach(({
+ id,
+ args
+ }, i) => {
+ if (translations[i] !== undefined) {
+ return;
+ }
+ let message = bundle.getMessage(id);
+ if (message) {
+ messageErrors.length = 0;
+ translations[i] = method(bundle, messageErrors, message, args);
+ if (messageErrors.length > 0 && typeof console !== "undefined") {
+ const locale = bundle.locales[0];
+ const errors = messageErrors.join(", ");
+ console.warn(`[fluent][resolver] errors in ${locale}/${id}: ${errors}.`);
+ }
+ } else {
+ missingIds.add(id);
+ }
+ });
+ return missingIds;
+}
+;// ./node_modules/@fluent/dom/esm/dom_localization.js
+
+
+const L10NID_ATTR_NAME = "data-l10n-id";
+const L10NARGS_ATTR_NAME = "data-l10n-args";
+const L10N_ELEMENT_QUERY = `[${L10NID_ATTR_NAME}]`;
+class DOMLocalization extends Localization {
+ constructor(resourceIds, generateBundles) {
+ super(resourceIds, generateBundles);
+ this.roots = new Set();
+ this.pendingrAF = null;
+ this.pendingElements = new Set();
+ this.windowElement = null;
+ this.mutationObserver = null;
+ this.observerConfig = {
+ attributes: true,
+ characterData: false,
+ childList: true,
+ subtree: true,
+ attributeFilter: [L10NID_ATTR_NAME, L10NARGS_ATTR_NAME]
+ };
+ }
+ onChange(eager = false) {
+ super.onChange(eager);
+ if (this.roots) {
+ this.translateRoots();
+ }
+ }
+ setAttributes(element, id, args) {
+ element.setAttribute(L10NID_ATTR_NAME, id);
+ if (args) {
+ element.setAttribute(L10NARGS_ATTR_NAME, JSON.stringify(args));
+ } else {
+ element.removeAttribute(L10NARGS_ATTR_NAME);
+ }
+ return element;
+ }
+ getAttributes(element) {
+ return {
+ id: element.getAttribute(L10NID_ATTR_NAME),
+ args: JSON.parse(element.getAttribute(L10NARGS_ATTR_NAME) || null)
+ };
+ }
+ connectRoot(newRoot) {
+ for (const root of this.roots) {
+ if (root === newRoot || root.contains(newRoot) || newRoot.contains(root)) {
+ throw new Error("Cannot add a root that overlaps with existing root.");
+ }
+ }
+ if (this.windowElement) {
+ if (this.windowElement !== newRoot.ownerDocument.defaultView) {
+ throw new Error(`Cannot connect a root:
+ DOMLocalization already has a root from a different window.`);
+ }
+ } else {
+ this.windowElement = newRoot.ownerDocument.defaultView;
+ this.mutationObserver = new this.windowElement.MutationObserver(mutations => this.translateMutations(mutations));
+ }
+ this.roots.add(newRoot);
+ this.mutationObserver.observe(newRoot, this.observerConfig);
+ }
+ disconnectRoot(root) {
+ this.roots.delete(root);
+ this.pauseObserving();
+ if (this.roots.size === 0) {
+ this.mutationObserver = null;
+ if (this.windowElement && this.pendingrAF) {
+ this.windowElement.cancelAnimationFrame(this.pendingrAF);
+ }
+ this.windowElement = null;
+ this.pendingrAF = null;
+ this.pendingElements.clear();
+ return true;
+ }
+ this.resumeObserving();
+ return false;
+ }
+ translateRoots() {
+ const roots = Array.from(this.roots);
+ return Promise.all(roots.map(root => this.translateFragment(root)));
+ }
+ pauseObserving() {
+ if (!this.mutationObserver) {
+ return;
+ }
+ this.translateMutations(this.mutationObserver.takeRecords());
+ this.mutationObserver.disconnect();
+ }
+ resumeObserving() {
+ if (!this.mutationObserver) {
+ return;
+ }
+ for (const root of this.roots) {
+ this.mutationObserver.observe(root, this.observerConfig);
+ }
+ }
+ translateMutations(mutations) {
+ for (const mutation of mutations) {
+ switch (mutation.type) {
+ case "attributes":
+ if (mutation.target.hasAttribute("data-l10n-id")) {
+ this.pendingElements.add(mutation.target);
+ }
+ break;
+ case "childList":
+ for (const addedNode of mutation.addedNodes) {
+ if (addedNode.nodeType === addedNode.ELEMENT_NODE) {
+ if (addedNode.childElementCount) {
+ for (const element of this.getTranslatables(addedNode)) {
+ this.pendingElements.add(element);
+ }
+ } else if (addedNode.hasAttribute(L10NID_ATTR_NAME)) {
+ this.pendingElements.add(addedNode);
+ }
+ }
+ }
+ break;
+ }
+ }
+ if (this.pendingElements.size > 0) {
+ if (this.pendingrAF === null) {
+ this.pendingrAF = this.windowElement.requestAnimationFrame(() => {
+ this.translateElements(Array.from(this.pendingElements));
+ this.pendingElements.clear();
+ this.pendingrAF = null;
+ });
+ }
+ }
+ }
+ translateFragment(frag) {
+ return this.translateElements(this.getTranslatables(frag));
+ }
+ async translateElements(elements) {
+ if (!elements.length) {
+ return undefined;
+ }
+ const keys = elements.map(this.getKeysForElement);
+ const translations = await this.formatMessages(keys);
+ return this.applyTranslations(elements, translations);
+ }
+ applyTranslations(elements, translations) {
+ this.pauseObserving();
+ for (let i = 0; i < elements.length; i++) {
+ if (translations[i] !== undefined) {
+ translateElement(elements[i], translations[i]);
+ }
+ }
+ this.resumeObserving();
+ }
+ getTranslatables(element) {
+ const nodes = Array.from(element.querySelectorAll(L10N_ELEMENT_QUERY));
+ if (typeof element.hasAttribute === "function" && element.hasAttribute(L10NID_ATTR_NAME)) {
+ nodes.push(element);
+ }
+ return nodes;
+ }
+ getKeysForElement(element) {
+ return {
+ id: element.getAttribute(L10NID_ATTR_NAME),
+ args: JSON.parse(element.getAttribute(L10NARGS_ATTR_NAME) || null)
+ };
+ }
+}
+;// ./node_modules/@fluent/dom/esm/index.js
+
+
+;// ./web/l10n.js
+class L10n {
+ #dir;
+ #elements;
+ #lang;
+ #l10n;
+ constructor({
+ lang,
+ isRTL
+ }, l10n = null) {
+ this.#lang = L10n.#fixupLangCode(lang);
+ this.#l10n = l10n;
+ this.#dir = isRTL ?? L10n.#isRTL(this.#lang) ? "rtl" : "ltr";
+ }
+ _setL10n(l10n) {
+ this.#l10n = l10n;
+ }
+ getLanguage() {
+ return this.#lang;
+ }
+ getDirection() {
+ return this.#dir;
+ }
+ async get(ids, args = null, fallback) {
+ if (Array.isArray(ids)) {
+ ids = ids.map(id => ({
+ id
+ }));
+ const messages = await this.#l10n.formatMessages(ids);
+ return messages.map(message => message.value);
+ }
+ const messages = await this.#l10n.formatMessages([{
+ id: ids,
+ args
+ }]);
+ return messages[0]?.value || fallback;
+ }
+ async translate(element) {
+ (this.#elements ||= new Set()).add(element);
+ try {
+ this.#l10n.connectRoot(element);
+ await this.#l10n.translateRoots();
+ } catch {}
+ }
+ async translateOnce(element) {
+ try {
+ await this.#l10n.translateElements([element]);
+ } catch (ex) {
+ console.error("translateOnce:", ex);
+ }
+ }
+ async destroy() {
+ if (this.#elements) {
+ for (const element of this.#elements) {
+ this.#l10n.disconnectRoot(element);
+ }
+ this.#elements.clear();
+ this.#elements = null;
+ }
+ this.#l10n.pauseObserving();
+ }
+ pause() {
+ this.#l10n.pauseObserving();
+ }
+ resume() {
+ this.#l10n.resumeObserving();
+ }
+ static #fixupLangCode(langCode) {
+ langCode = langCode?.toLowerCase() || "en-us";
+ const PARTIAL_LANG_CODES = {
+ en: "en-us",
+ es: "es-es",
+ fy: "fy-nl",
+ ga: "ga-ie",
+ gu: "gu-in",
+ hi: "hi-in",
+ hy: "hy-am",
+ nb: "nb-no",
+ ne: "ne-np",
+ nn: "nn-no",
+ pa: "pa-in",
+ pt: "pt-pt",
+ sv: "sv-se",
+ zh: "zh-cn"
+ };
+ return PARTIAL_LANG_CODES[langCode] || langCode;
+ }
+ static #isRTL(lang) {
+ const shortCode = lang.split("-", 1)[0];
+ return ["ar", "he", "fa", "ps", "ur"].includes(shortCode);
+ }
+}
+const GenericL10n = null;
+
+;// ./web/genericl10n.js
+
+
+
+
+function PLATFORM() {
+ const {
+ isAndroid,
+ isLinux,
+ isMac,
+ isWindows
+ } = FeatureTest.platform;
+ if (isLinux) {
+ return "linux";
+ }
+ if (isWindows) {
+ return "windows";
+ }
+ if (isMac) {
+ return "macos";
+ }
+ if (isAndroid) {
+ return "android";
+ }
+ return "other";
+}
+function createBundle(lang, text) {
+ const resource = new FluentResource(text);
+ const bundle = new FluentBundle(lang, {
+ functions: {
+ PLATFORM
+ }
+ });
+ const errors = bundle.addResource(resource);
+ if (errors.length) {
+ console.error("L10n errors", errors);
+ }
+ return bundle;
+}
+class genericl10n_GenericL10n extends L10n {
+ constructor(lang) {
+ super({
+ lang
+ });
+ const generateBundles = !lang ? genericl10n_GenericL10n.#generateBundlesFallback.bind(genericl10n_GenericL10n, this.getLanguage()) : genericl10n_GenericL10n.#generateBundles.bind(genericl10n_GenericL10n, "en-us", this.getLanguage());
+ this._setL10n(new DOMLocalization([], generateBundles));
+ }
+ static async *#generateBundles(defaultLang, baseLang) {
+ const {
+ baseURL,
+ paths
+ } = await this.#getPaths();
+ const langs = [baseLang];
+ if (defaultLang !== baseLang) {
+ const shortLang = baseLang.split("-", 1)[0];
+ if (shortLang !== baseLang) {
+ langs.push(shortLang);
+ }
+ langs.push(defaultLang);
+ }
+ const bundles = langs.map(lang => [lang, this.#createBundle(lang, baseURL, paths)]);
+ for (const [lang, bundlePromise] of bundles) {
+ const bundle = await bundlePromise;
+ if (bundle) {
+ yield bundle;
+ } else if (lang === "en-us") {
+ yield this.#createBundleFallback(lang);
+ }
+ }
+ }
+ static async #createBundle(lang, baseURL, paths) {
+ const path = paths[lang];
+ if (!path) {
+ return null;
+ }
+ const url = new URL(path, baseURL);
+ const text = await fetchData(url, "text");
+ return createBundle(lang, text);
+ }
+ static async #getPaths() {
+ try {
+ const {
+ href
+ } = document.querySelector(`link[type="application/l10n"]`);
+ const paths = await fetchData(href, "json");
+ return {
+ baseURL: href.substring(0, href.lastIndexOf("/") + 1) || "./",
+ paths
+ };
+ } catch {}
+ return {
+ baseURL: "./",
+ paths: Object.create(null)
+ };
+ }
+ static async *#generateBundlesFallback(lang) {
+ yield this.#createBundleFallback(lang);
+ }
+ static async #createBundleFallback(lang) {
+ const text = "pdfjs-previous-button =\n .title = Previous Page\npdfjs-previous-button-label = Previous\npdfjs-next-button =\n .title = Next Page\npdfjs-next-button-label = Next\npdfjs-page-input =\n .title = Page\npdfjs-of-pages = of { $pagesCount }\npdfjs-page-of-pages = ({ $pageNumber } of { $pagesCount })\npdfjs-zoom-out-button =\n .title = Zoom Out\npdfjs-zoom-out-button-label = Zoom Out\npdfjs-zoom-in-button =\n .title = Zoom In\npdfjs-zoom-in-button-label = Zoom In\npdfjs-zoom-select =\n .title = Zoom\npdfjs-presentation-mode-button =\n .title = Switch to Presentation Mode\npdfjs-presentation-mode-button-label = Presentation Mode\npdfjs-open-file-button =\n .title = Open File\npdfjs-open-file-button-label = Open\npdfjs-print-button =\n .title = Print\npdfjs-print-button-label = Print\npdfjs-save-button =\n .title = Save\npdfjs-save-button-label = Save\npdfjs-download-button =\n .title = Download\npdfjs-download-button-label = Download\npdfjs-bookmark-button =\n .title = Current Page (View URL from Current Page)\npdfjs-bookmark-button-label = Current Page\npdfjs-tools-button =\n .title = Tools\npdfjs-tools-button-label = Tools\npdfjs-first-page-button =\n .title = Go to First Page\npdfjs-first-page-button-label = Go to First Page\npdfjs-last-page-button =\n .title = Go to Last Page\npdfjs-last-page-button-label = Go to Last Page\npdfjs-page-rotate-cw-button =\n .title = Rotate Clockwise\npdfjs-page-rotate-cw-button-label = Rotate Clockwise\npdfjs-page-rotate-ccw-button =\n .title = Rotate Counterclockwise\npdfjs-page-rotate-ccw-button-label = Rotate Counterclockwise\npdfjs-cursor-text-select-tool-button =\n .title = Enable Text Selection Tool\npdfjs-cursor-text-select-tool-button-label = Text Selection Tool\npdfjs-cursor-hand-tool-button =\n .title = Enable Hand Tool\npdfjs-cursor-hand-tool-button-label = Hand Tool\npdfjs-scroll-page-button =\n .title = Use Page Scrolling\npdfjs-scroll-page-button-label = Page Scrolling\npdfjs-scroll-vertical-button =\n .title = Use Vertical Scrolling\npdfjs-scroll-vertical-button-label = Vertical Scrolling\npdfjs-scroll-horizontal-button =\n .title = Use Horizontal Scrolling\npdfjs-scroll-horizontal-button-label = Horizontal Scrolling\npdfjs-scroll-wrapped-button =\n .title = Use Wrapped Scrolling\npdfjs-scroll-wrapped-button-label = Wrapped Scrolling\npdfjs-spread-none-button =\n .title = Do not join page spreads\npdfjs-spread-none-button-label = No Spreads\npdfjs-spread-odd-button =\n .title = Join page spreads starting with odd-numbered pages\npdfjs-spread-odd-button-label = Odd Spreads\npdfjs-spread-even-button =\n .title = Join page spreads starting with even-numbered pages\npdfjs-spread-even-button-label = Even Spreads\npdfjs-document-properties-button =\n .title = Document Properties\u2026\npdfjs-document-properties-button-label = Document Properties\u2026\npdfjs-document-properties-file-name = File name:\npdfjs-document-properties-file-size = File size:\npdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)\npdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)\npdfjs-document-properties-title = Title:\npdfjs-document-properties-author = Author:\npdfjs-document-properties-subject = Subject:\npdfjs-document-properties-keywords = Keywords:\npdfjs-document-properties-creation-date = Creation Date:\npdfjs-document-properties-modification-date = Modification Date:\npdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: \"short\", timeStyle: \"medium\") }\npdfjs-document-properties-creator = Creator:\npdfjs-document-properties-producer = PDF Producer:\npdfjs-document-properties-version = PDF Version:\npdfjs-document-properties-page-count = Page Count:\npdfjs-document-properties-page-size = Page Size:\npdfjs-document-properties-page-size-unit-inches = in\npdfjs-document-properties-page-size-unit-millimeters = mm\npdfjs-document-properties-page-size-orientation-portrait = portrait\npdfjs-document-properties-page-size-orientation-landscape = landscape\npdfjs-document-properties-page-size-name-a-three = A3\npdfjs-document-properties-page-size-name-a-four = A4\npdfjs-document-properties-page-size-name-letter = Letter\npdfjs-document-properties-page-size-name-legal = Legal\npdfjs-document-properties-page-size-dimension-string = { $width } \xD7 { $height } { $unit } ({ $orientation })\npdfjs-document-properties-page-size-dimension-name-string = { $width } \xD7 { $height } { $unit } ({ $name }, { $orientation })\npdfjs-document-properties-linearized = Fast Web View:\npdfjs-document-properties-linearized-yes = Yes\npdfjs-document-properties-linearized-no = No\npdfjs-document-properties-close-button = Close\npdfjs-print-progress-message = Preparing document for printing\u2026\npdfjs-print-progress-percent = { $progress }%\npdfjs-print-progress-close-button = Cancel\npdfjs-printing-not-supported = Warning: Printing is not fully supported by this browser.\npdfjs-printing-not-ready = Warning: The PDF is not fully loaded for printing.\npdfjs-toggle-sidebar-button =\n .title = Toggle Sidebar\npdfjs-toggle-sidebar-notification-button =\n .title = Toggle Sidebar (document contains outline/attachments/layers)\npdfjs-toggle-sidebar-button-label = Toggle Sidebar\npdfjs-document-outline-button =\n .title = Show Document Outline (double-click to expand/collapse all items)\npdfjs-document-outline-button-label = Document Outline\npdfjs-attachments-button =\n .title = Show Attachments\npdfjs-attachments-button-label = Attachments\npdfjs-layers-button =\n .title = Show Layers (double-click to reset all layers to the default state)\npdfjs-layers-button-label = Layers\npdfjs-thumbs-button =\n .title = Show Thumbnails\npdfjs-thumbs-button-label = Thumbnails\npdfjs-current-outline-item-button =\n .title = Find Current Outline Item\npdfjs-current-outline-item-button-label = Current Outline Item\npdfjs-findbar-button =\n .title = Find in Document\npdfjs-findbar-button-label = Find\npdfjs-additional-layers = Additional Layers\npdfjs-thumb-page-title =\n .title = Page { $page }\npdfjs-thumb-page-canvas =\n .aria-label = Thumbnail of Page { $page }\npdfjs-find-input =\n .title = Find\n .placeholder = Find in document\u2026\npdfjs-find-previous-button =\n .title = Find the previous occurrence of the phrase\npdfjs-find-previous-button-label = Previous\npdfjs-find-next-button =\n .title = Find the next occurrence of the phrase\npdfjs-find-next-button-label = Next\npdfjs-find-highlight-checkbox = Highlight All\npdfjs-find-match-case-checkbox-label = Match Case\npdfjs-find-match-diacritics-checkbox-label = Match Diacritics\npdfjs-find-entire-word-checkbox-label = Whole Words\npdfjs-find-reached-top = Reached top of document, continued from bottom\npdfjs-find-reached-bottom = Reached end of document, continued from top\npdfjs-find-match-count =\n { $total ->\n [one] { $current } of { $total } match\n *[other] { $current } of { $total } matches\n }\npdfjs-find-match-count-limit =\n { $limit ->\n [one] More than { $limit } match\n *[other] More than { $limit } matches\n }\npdfjs-find-not-found = Phrase not found\npdfjs-page-scale-width = Page Width\npdfjs-page-scale-fit = Page Fit\npdfjs-page-scale-auto = Automatic Zoom\npdfjs-page-scale-actual = Actual Size\npdfjs-page-scale-percent = { $scale }%\npdfjs-page-landmark =\n .aria-label = Page { $page }\npdfjs-loading-error = An error occurred while loading the PDF.\npdfjs-invalid-file-error = Invalid or corrupted PDF file.\npdfjs-missing-file-error = Missing PDF file.\npdfjs-unexpected-response-error = Unexpected server response.\npdfjs-rendering-error = An error occurred while rendering the page.\npdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: \"short\", timeStyle: \"medium\") }\npdfjs-text-annotation-type =\n .alt = [{ $type } Annotation]\npdfjs-password-label = Enter the password to open this PDF file.\npdfjs-password-invalid = Invalid password. Please try again.\npdfjs-password-ok-button = OK\npdfjs-password-cancel-button = Cancel\npdfjs-web-fonts-disabled = Web fonts are disabled: unable to use embedded PDF fonts.\npdfjs-editor-free-text-button =\n .title = Text\npdfjs-editor-color-picker-free-text-input =\n .title = Change text color\npdfjs-editor-free-text-button-label = Text\npdfjs-editor-ink-button =\n .title = Draw\npdfjs-editor-color-picker-ink-input =\n .title = Change drawing color\npdfjs-editor-ink-button-label = Draw\npdfjs-editor-stamp-button =\n .title = Add or edit images\npdfjs-editor-stamp-button-label = Add or edit images\npdfjs-editor-highlight-button =\n .title = Highlight\npdfjs-editor-highlight-button-label = Highlight\npdfjs-highlight-floating-button1 =\n .title = Highlight\n .aria-label = Highlight\npdfjs-highlight-floating-button-label = Highlight\npdfjs-comment-floating-button =\n .title = Comment\n .aria-label = Comment\npdfjs-comment-floating-button-label = Comment\npdfjs-editor-comment-button =\n .title = Comment\n .aria-label = Comment\npdfjs-editor-comment-button-label = Comment\npdfjs-editor-signature-button =\n .title = Add signature\npdfjs-editor-signature-button-label = Add signature\npdfjs-editor-highlight-editor =\n .aria-label = Highlight editor\npdfjs-editor-ink-editor =\n .aria-label = Drawing editor\npdfjs-editor-signature-editor1 =\n .aria-description = Signature editor: { $description }\npdfjs-editor-stamp-editor =\n .aria-label = Image editor\npdfjs-editor-remove-ink-button =\n .title = Remove drawing\npdfjs-editor-remove-freetext-button =\n .title = Remove text\npdfjs-editor-remove-stamp-button =\n .title = Remove image\npdfjs-editor-remove-highlight-button =\n .title = Remove highlight\npdfjs-editor-remove-signature-button =\n .title = Remove signature\npdfjs-editor-free-text-color-input = Color\npdfjs-editor-free-text-size-input = Size\npdfjs-editor-ink-color-input = Color\npdfjs-editor-ink-thickness-input = Thickness\npdfjs-editor-ink-opacity-input = Opacity\npdfjs-editor-stamp-add-image-button =\n .title = Add image\npdfjs-editor-stamp-add-image-button-label = Add image\npdfjs-editor-free-highlight-thickness-input = Thickness\npdfjs-editor-free-highlight-thickness-title =\n .title = Change thickness when highlighting items other than text\npdfjs-editor-add-signature-container =\n .aria-label = Signature controls and saved signatures\npdfjs-editor-signature-add-signature-button =\n .title = Add new signature\npdfjs-editor-signature-add-signature-button-label = Add new signature\npdfjs-editor-add-saved-signature-button =\n .title = Saved signature: { $description }\npdfjs-free-text2 =\n .aria-label = Text Editor\n .default-content = Start typing\u2026\npdfjs-editor-comments-sidebar-title =\n { $count ->\n [one] Comment\n *[other] Comments\n }\npdfjs-editor-comments-sidebar-close-button =\n .title = Close the sidebar\n .aria-label = Close the sidebar\npdfjs-editor-comments-sidebar-close-button-label = Close the sidebar\npdfjs-editor-comments-sidebar-no-comments1 = See something noteworthy? Highlight it and leave a comment.\npdfjs-editor-comments-sidebar-no-comments-link = Learn more\npdfjs-editor-alt-text-button =\n .aria-label = Alt text\npdfjs-editor-alt-text-button-label = Alt text\npdfjs-editor-alt-text-edit-button =\n .aria-label = Edit alt text\npdfjs-editor-alt-text-dialog-label = Choose an option\npdfjs-editor-alt-text-dialog-description = Alt text (alternative text) helps when people can\u2019t see the image or when it doesn\u2019t load.\npdfjs-editor-alt-text-add-description-label = Add a description\npdfjs-editor-alt-text-add-description-description = Aim for 1-2 sentences that describe the subject, setting, or actions.\npdfjs-editor-alt-text-mark-decorative-label = Mark as decorative\npdfjs-editor-alt-text-mark-decorative-description = This is used for ornamental images, like borders or watermarks.\npdfjs-editor-alt-text-cancel-button = Cancel\npdfjs-editor-alt-text-save-button = Save\npdfjs-editor-alt-text-decorative-tooltip = Marked as decorative\npdfjs-editor-alt-text-textarea =\n .placeholder = For example, \u201CA young man sits down at a table to eat a meal\u201D\npdfjs-editor-resizer-top-left =\n .aria-label = Top left corner \u2014 resize\npdfjs-editor-resizer-top-middle =\n .aria-label = Top middle \u2014 resize\npdfjs-editor-resizer-top-right =\n .aria-label = Top right corner \u2014 resize\npdfjs-editor-resizer-middle-right =\n .aria-label = Middle right \u2014 resize\npdfjs-editor-resizer-bottom-right =\n .aria-label = Bottom right corner \u2014 resize\npdfjs-editor-resizer-bottom-middle =\n .aria-label = Bottom middle \u2014 resize\npdfjs-editor-resizer-bottom-left =\n .aria-label = Bottom left corner \u2014 resize\npdfjs-editor-resizer-middle-left =\n .aria-label = Middle left \u2014 resize\npdfjs-editor-highlight-colorpicker-label = Highlight color\npdfjs-editor-colorpicker-button =\n .title = Change color\npdfjs-editor-colorpicker-dropdown =\n .aria-label = Color choices\npdfjs-editor-colorpicker-yellow =\n .title = Yellow\npdfjs-editor-colorpicker-green =\n .title = Green\npdfjs-editor-colorpicker-blue =\n .title = Blue\npdfjs-editor-colorpicker-pink =\n .title = Pink\npdfjs-editor-colorpicker-red =\n .title = Red\npdfjs-editor-highlight-show-all-button-label = Show all\npdfjs-editor-highlight-show-all-button =\n .title = Show all\npdfjs-editor-new-alt-text-dialog-edit-label = Edit alt text (image description)\npdfjs-editor-new-alt-text-dialog-add-label = Add alt text (image description)\npdfjs-editor-new-alt-text-textarea =\n .placeholder = Write your description here\u2026\npdfjs-editor-new-alt-text-description = Short description for people who can\u2019t see the image or when the image doesn\u2019t load.\npdfjs-editor-new-alt-text-disclaimer1 = This alt text was created automatically and may be inaccurate.\npdfjs-editor-new-alt-text-disclaimer-learn-more-url = Learn more\npdfjs-editor-new-alt-text-create-automatically-button-label = Create alt text automatically\npdfjs-editor-new-alt-text-not-now-button = Not now\npdfjs-editor-new-alt-text-error-title = Couldn\u2019t create alt text automatically\npdfjs-editor-new-alt-text-error-description = Please write your own alt text or try again later.\npdfjs-editor-new-alt-text-error-close-button = Close\npdfjs-editor-new-alt-text-ai-model-downloading-progress = Downloading alt text AI model ({ $downloadedSize } of { $totalSize } MB)\n .aria-valuetext = Downloading alt text AI model ({ $downloadedSize } of { $totalSize } MB)\npdfjs-editor-new-alt-text-added-button =\n .aria-label = Alt text added\npdfjs-editor-new-alt-text-added-button-label = Alt text added\npdfjs-editor-new-alt-text-missing-button =\n .aria-label = Missing alt text\npdfjs-editor-new-alt-text-missing-button-label = Missing alt text\npdfjs-editor-new-alt-text-to-review-button =\n .aria-label = Review alt text\npdfjs-editor-new-alt-text-to-review-button-label = Review alt text\npdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Created automatically: { $generatedAltText }\npdfjs-image-alt-text-settings-button =\n .title = Image alt text settings\npdfjs-image-alt-text-settings-button-label = Image alt text settings\npdfjs-editor-alt-text-settings-dialog-label = Image alt text settings\npdfjs-editor-alt-text-settings-automatic-title = Automatic alt text\npdfjs-editor-alt-text-settings-create-model-button-label = Create alt text automatically\npdfjs-editor-alt-text-settings-create-model-description = Suggests descriptions to help people who can\u2019t see the image or when the image doesn\u2019t load.\npdfjs-editor-alt-text-settings-download-model-label = Alt text AI model ({ $totalSize } MB)\npdfjs-editor-alt-text-settings-ai-model-description = Runs locally on your device so your data stays private. Required for automatic alt text.\npdfjs-editor-alt-text-settings-delete-model-button = Delete\npdfjs-editor-alt-text-settings-download-model-button = Download\npdfjs-editor-alt-text-settings-downloading-model-button = Downloading\u2026\npdfjs-editor-alt-text-settings-editor-title = Alt text editor\npdfjs-editor-alt-text-settings-show-dialog-button-label = Show alt text editor right away when adding an image\npdfjs-editor-alt-text-settings-show-dialog-description = Helps you make sure all your images have alt text.\npdfjs-editor-alt-text-settings-close-button = Close\npdfjs-editor-highlight-added-alert = Highlight added\npdfjs-editor-freetext-added-alert = Text added\npdfjs-editor-ink-added-alert = Drawing added\npdfjs-editor-stamp-added-alert = Image added\npdfjs-editor-signature-added-alert = Signature added\npdfjs-editor-undo-bar-message-highlight = Highlight removed\npdfjs-editor-undo-bar-message-freetext = Text removed\npdfjs-editor-undo-bar-message-ink = Drawing removed\npdfjs-editor-undo-bar-message-stamp = Image removed\npdfjs-editor-undo-bar-message-signature = Signature removed\npdfjs-editor-undo-bar-message-multiple =\n { $count ->\n [one] { $count } annotation removed\n *[other] { $count } annotations removed\n }\npdfjs-editor-undo-bar-undo-button =\n .title = Undo\npdfjs-editor-undo-bar-undo-button-label = Undo\npdfjs-editor-undo-bar-close-button =\n .title = Close\npdfjs-editor-undo-bar-close-button-label = Close\npdfjs-editor-add-signature-dialog-label = This modal allows the user to create a signature to add to a PDF document. The user can edit the name (which also serves as the alt text), and optionally save the signature for repeated use.\npdfjs-editor-add-signature-dialog-title = Add a signature\npdfjs-editor-add-signature-type-button = Type\n .title = Type\npdfjs-editor-add-signature-draw-button = Draw\n .title = Draw\npdfjs-editor-add-signature-image-button = Image\n .title = Image\npdfjs-editor-add-signature-type-input =\n .aria-label = Type your signature\n .placeholder = Type your signature\npdfjs-editor-add-signature-draw-placeholder = Draw your signature\npdfjs-editor-add-signature-draw-thickness-range-label = Thickness\npdfjs-editor-add-signature-draw-thickness-range =\n .title = Drawing thickness: { $thickness }\npdfjs-editor-add-signature-image-placeholder = Drag a file here to upload\npdfjs-editor-add-signature-image-browse-link =\n { PLATFORM() ->\n [macos] Or choose image files\n *[other] Or browse image files\n }\npdfjs-editor-add-signature-description-label = Description (alt text)\npdfjs-editor-add-signature-description-input =\n .title = Description (alt text)\npdfjs-editor-add-signature-description-default-when-drawing = Signature\npdfjs-editor-add-signature-clear-button-label = Clear signature\npdfjs-editor-add-signature-clear-button =\n .title = Clear signature\npdfjs-editor-add-signature-save-checkbox = Save signature\npdfjs-editor-add-signature-save-warning-message = You\u2019ve reached the limit of 5 saved signatures. Remove one to save more.\npdfjs-editor-add-signature-image-upload-error-title = Couldn\u2019t upload image\npdfjs-editor-add-signature-image-upload-error-description = Check your network connection or try another image.\npdfjs-editor-add-signature-image-no-data-error-title = Can\u2019t convert this image into a signature\npdfjs-editor-add-signature-image-no-data-error-description = Please try uploading a different image.\npdfjs-editor-add-signature-error-close-button = Close\npdfjs-editor-add-signature-cancel-button = Cancel\npdfjs-editor-add-signature-add-button = Add\npdfjs-editor-delete-signature-button1 =\n .title = Remove saved signature\npdfjs-editor-delete-signature-button-label1 = Remove saved signature\npdfjs-editor-add-signature-edit-button-label = Edit description\npdfjs-editor-edit-signature-dialog-title = Edit description\npdfjs-editor-edit-signature-update-button = Update\npdfjs-show-comment-button =\n .title = Show comment\npdfjs-editor-edit-comment-popup-button-label = Edit comment\npdfjs-editor-edit-comment-popup-button =\n .title = Edit comment\npdfjs-editor-delete-comment-popup-button-label = Remove comment\npdfjs-editor-delete-comment-popup-button =\n .title = Remove comment\npdfjs-editor-edit-comment-dialog-title-when-editing = Edit comment\npdfjs-editor-edit-comment-dialog-save-button-when-editing = Update\npdfjs-editor-edit-comment-dialog-title-when-adding = Add comment\npdfjs-editor-edit-comment-dialog-save-button-when-adding = Add\npdfjs-editor-edit-comment-dialog-text-input =\n .placeholder = Start typing\u2026\npdfjs-editor-edit-comment-dialog-cancel-button = Cancel\npdfjs-editor-edit-comment-button =\n .title = Edit comment";
+ return createBundle(lang, text);
+ }
+}
+
+;// ./web/generic_scripting.js
+
+async function docProperties(pdfDocument) {
+ const url = "",
+ baseUrl = "";
+ const {
+ info,
+ metadata,
+ contentDispositionFilename,
+ contentLength
+ } = await pdfDocument.getMetadata();
+ return {
+ ...info,
+ baseURL: baseUrl,
+ filesize: contentLength || (await pdfDocument.getDownloadInfo()).length,
+ filename: contentDispositionFilename || getPdfFilenameFromUrl(url),
+ metadata: metadata?.getRaw(),
+ authors: metadata?.get("dc:creator"),
+ numPages: pdfDocument.numPages,
+ URL: url
+ };
+}
+class GenericScripting {
+ constructor(sandboxBundleSrc) {
+ this._ready = new Promise((resolve, reject) => {
+ const sandbox = import(
+ /*webpackIgnore: true*/
+ /*@vite-ignore*/
+ sandboxBundleSrc);
+ sandbox.then(pdfjsSandbox => {
+ resolve(pdfjsSandbox.QuickJSSandbox());
+ }).catch(reject);
+ });
+ }
+ async createSandbox(data) {
+ const sandbox = await this._ready;
+ sandbox.create(data);
+ }
+ async dispatchEventInSandbox(event) {
+ const sandbox = await this._ready;
+ setTimeout(() => sandbox.dispatchEvent(event), 0);
+ }
+ async destroySandbox() {
+ const sandbox = await this._ready;
+ sandbox.nukeSandbox();
+ }
+}
+
+;// ./web/generic_signature_storage.js
+
+const KEY_STORAGE = "pdfjs.signature";
+class SignatureStorage {
+ #eventBus;
+ #signatures = null;
+ #signal = null;
+ constructor(eventBus, signal) {
+ this.#eventBus = eventBus;
+ this.#signal = signal;
+ }
+ #save() {
+ localStorage.setItem(KEY_STORAGE, JSON.stringify(Object.fromEntries(this.#signatures)));
+ }
+ async getAll() {
+ if (this.#signal) {
+ window.addEventListener("storage", ({
+ key
+ }) => {
+ if (key === KEY_STORAGE) {
+ this.#signatures = null;
+ this.#eventBus?.dispatch("storedsignatureschanged", {
+ source: this
+ });
+ }
+ }, {
+ signal: this.#signal
+ });
+ this.#signal = null;
+ }
+ if (!this.#signatures) {
+ this.#signatures = new Map();
+ const data = localStorage.getItem(KEY_STORAGE);
+ if (data) {
+ for (const [key, value] of Object.entries(JSON.parse(data))) {
+ this.#signatures.set(key, value);
+ }
+ }
+ }
+ return this.#signatures;
+ }
+ async isFull() {
+ return (await this.size()) === 5;
+ }
+ async size() {
+ return (await this.getAll()).size;
+ }
+ async create(data) {
+ if (await this.isFull()) {
+ return null;
+ }
+ const uuid = getUuid();
+ this.#signatures.set(uuid, data);
+ this.#save();
+ return uuid;
+ }
+ async delete(uuid) {
+ const signatures = await this.getAll();
+ if (!signatures.has(uuid)) {
+ return false;
+ }
+ signatures.delete(uuid);
+ this.#save();
+ return true;
+ }
+}
+
+;// ./web/genericcom.js
+
+
+
+
+
+
+function initCom(app) {}
+class Preferences extends BasePreferences {
+ async _writeToStorage(prefObj) {
+ localStorage.setItem("pdfjs.preferences", JSON.stringify(prefObj));
+ }
+ async _readFromStorage(prefObj) {
+ return {
+ prefs: JSON.parse(localStorage.getItem("pdfjs.preferences"))
+ };
+ }
+}
+class ExternalServices extends BaseExternalServices {
+ async createL10n() {
+ return new genericl10n_GenericL10n(AppOptions.get("localeProperties")?.lang);
+ }
+ createScripting() {
+ return new GenericScripting(AppOptions.get("sandboxBundleSrc"));
+ }
+ createSignatureStorage(eventBus, signal) {
+ return new SignatureStorage(eventBus, signal);
+ }
+}
+class MLManager {
+ async isEnabledFor(_name) {
+ return false;
+ }
+ async deleteModel(_service) {
+ return null;
+ }
+ isReady(_name) {
+ return false;
+ }
+ guess(_data) {}
+ toggleService(_name, _enabled) {}
+}
+
+;// ./web/new_alt_text_manager.js
+
+class NewAltTextManager {
+ #boundCancel = this.#cancel.bind(this);
+ #createAutomaticallyButton;
+ #currentEditor = null;
+ #cancelButton;
+ #descriptionContainer;
+ #dialog;
+ #disclaimer;
+ #downloadModel;
+ #downloadModelDescription;
+ #eventBus;
+ #firstTime = false;
+ #guessedAltText;
+ #hasAI = null;
+ #isEditing = null;
+ #imagePreview;
+ #imageData;
+ #isAILoading = false;
+ #wasAILoading = false;
+ #learnMore;
+ #notNowButton;
+ #overlayManager;
+ #textarea;
+ #title;
+ #uiManager;
+ #previousAltText = null;
+ constructor({
+ descriptionContainer,
+ dialog,
+ imagePreview,
+ cancelButton,
+ disclaimer,
+ notNowButton,
+ saveButton,
+ textarea,
+ learnMore,
+ errorCloseButton,
+ createAutomaticallyButton,
+ downloadModel,
+ downloadModelDescription,
+ title
+ }, overlayManager, eventBus) {
+ this.#cancelButton = cancelButton;
+ this.#createAutomaticallyButton = createAutomaticallyButton;
+ this.#descriptionContainer = descriptionContainer;
+ this.#dialog = dialog;
+ this.#disclaimer = disclaimer;
+ this.#notNowButton = notNowButton;
+ this.#imagePreview = imagePreview;
+ this.#textarea = textarea;
+ this.#learnMore = learnMore;
+ this.#title = title;
+ this.#downloadModel = downloadModel;
+ this.#downloadModelDescription = downloadModelDescription;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", event => {
+ if (event.target !== this.#textarea) {
+ event.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", this.#boundCancel);
+ notNowButton.addEventListener("click", this.#boundCancel);
+ saveButton.addEventListener("click", this.#save.bind(this));
+ errorCloseButton.addEventListener("click", () => {
+ this.#toggleError(false);
+ });
+ createAutomaticallyButton.addEventListener("click", async () => {
+ const checked = createAutomaticallyButton.getAttribute("aria-pressed") !== "true";
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.ai_generation_check",
+ data: {
+ status: checked
+ }
+ });
+ if (this.#uiManager) {
+ this.#uiManager.setPreference("enableGuessAltText", checked);
+ await this.#uiManager.mlManager.toggleService("altText", checked);
+ }
+ this.#toggleGuessAltText(checked, false);
+ });
+ textarea.addEventListener("focus", () => {
+ this.#wasAILoading = this.#isAILoading;
+ this.#toggleLoading(false);
+ this.#toggleTitleAndDisclaimer();
+ });
+ textarea.addEventListener("blur", () => {
+ if (!textarea.value) {
+ this.#toggleLoading(this.#wasAILoading);
+ }
+ this.#toggleTitleAndDisclaimer();
+ });
+ textarea.addEventListener("input", () => {
+ this.#toggleTitleAndDisclaimer();
+ });
+ eventBus._on("enableguessalttext", ({
+ value
+ }) => {
+ this.#toggleGuessAltText(value, false);
+ });
+ this.#overlayManager.register(dialog);
+ this.#learnMore.addEventListener("click", () => {
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.info",
+ data: {
+ topic: "alt_text"
+ }
+ });
+ });
+ }
+ #toggleLoading(value) {
+ if (!this.#uiManager || this.#isAILoading === value) {
+ return;
+ }
+ this.#isAILoading = value;
+ this.#descriptionContainer.classList.toggle("loading", value);
+ }
+ #toggleError(value) {
+ if (!this.#uiManager) {
+ return;
+ }
+ this.#dialog.classList.toggle("error", value);
+ }
+ async #toggleGuessAltText(value, isInitial = false) {
+ if (!this.#uiManager) {
+ return;
+ }
+ this.#dialog.classList.toggle("aiDisabled", !value);
+ this.#createAutomaticallyButton.setAttribute("aria-pressed", value);
+ if (value) {
+ const {
+ altTextLearnMoreUrl
+ } = this.#uiManager.mlManager;
+ if (altTextLearnMoreUrl) {
+ this.#learnMore.href = altTextLearnMoreUrl;
+ }
+ this.#mlGuessAltText(isInitial);
+ } else {
+ this.#toggleLoading(false);
+ this.#isAILoading = false;
+ this.#toggleTitleAndDisclaimer();
+ }
+ }
+ #toggleNotNow() {
+ this.#notNowButton.classList.toggle("hidden", !this.#firstTime);
+ this.#cancelButton.classList.toggle("hidden", this.#firstTime);
+ }
+ #toggleAI(value) {
+ if (!this.#uiManager || this.#hasAI === value) {
+ return;
+ }
+ this.#hasAI = value;
+ this.#dialog.classList.toggle("noAi", !value);
+ this.#toggleTitleAndDisclaimer();
+ }
+ #toggleTitleAndDisclaimer() {
+ const visible = this.#isAILoading || this.#guessedAltText && this.#guessedAltText === this.#textarea.value;
+ this.#disclaimer.hidden = !visible;
+ const isEditing = this.#isAILoading || !!this.#textarea.value;
+ if (this.#isEditing === isEditing) {
+ return;
+ }
+ this.#isEditing = isEditing;
+ this.#title.setAttribute("data-l10n-id", isEditing ? "pdfjs-editor-new-alt-text-dialog-edit-label" : "pdfjs-editor-new-alt-text-dialog-add-label");
+ }
+ async #mlGuessAltText(isInitial) {
+ if (this.#isAILoading) {
+ return;
+ }
+ if (this.#textarea.value) {
+ return;
+ }
+ if (isInitial && this.#previousAltText !== null) {
+ return;
+ }
+ this.#guessedAltText = this.#currentEditor.guessedAltText;
+ if (this.#previousAltText === null && this.#guessedAltText) {
+ this.#addAltText(this.#guessedAltText);
+ return;
+ }
+ this.#toggleLoading(true);
+ this.#toggleTitleAndDisclaimer();
+ let hasError = false;
+ try {
+ const altText = await this.#currentEditor.mlGuessAltText(this.#imageData, false);
+ if (altText) {
+ this.#guessedAltText = altText;
+ this.#wasAILoading = this.#isAILoading;
+ if (this.#isAILoading) {
+ this.#addAltText(altText);
+ }
+ }
+ } catch (e) {
+ console.error(e);
+ hasError = true;
+ }
+ this.#toggleLoading(false);
+ this.#toggleTitleAndDisclaimer();
+ if (hasError && this.#uiManager) {
+ this.#toggleError(true);
+ }
+ }
+ #addAltText(altText) {
+ if (!this.#uiManager || this.#textarea.value) {
+ return;
+ }
+ this.#textarea.value = altText;
+ this.#toggleTitleAndDisclaimer();
+ }
+ #setProgress() {
+ this.#downloadModel.classList.toggle("hidden", false);
+ const callback = async ({
+ detail: {
+ finished,
+ total,
+ totalLoaded
+ }
+ }) => {
+ const ONE_MEGA_BYTES = 1e6;
+ totalLoaded = Math.min(0.99 * total, totalLoaded);
+ const totalSize = this.#downloadModelDescription.ariaValueMax = Math.round(total / ONE_MEGA_BYTES);
+ const downloadedSize = this.#downloadModelDescription.ariaValueNow = Math.round(totalLoaded / ONE_MEGA_BYTES);
+ this.#downloadModelDescription.setAttribute("data-l10n-args", JSON.stringify({
+ totalSize,
+ downloadedSize
+ }));
+ if (!finished) {
+ return;
+ }
+ this.#eventBus._off("loadaiengineprogress", callback);
+ this.#downloadModel.classList.toggle("hidden", true);
+ this.#toggleAI(true);
+ if (!this.#uiManager) {
+ return;
+ }
+ const {
+ mlManager
+ } = this.#uiManager;
+ mlManager.toggleService("altText", true);
+ this.#toggleGuessAltText(await mlManager.isEnabledFor("altText"), true);
+ };
+ this.#eventBus._on("loadaiengineprogress", callback);
+ }
+ async editAltText(uiManager, editor, firstTime) {
+ if (this.#currentEditor || !editor) {
+ return;
+ }
+ if (firstTime && editor.hasAltTextData()) {
+ editor.altTextFinish();
+ return;
+ }
+ this.#firstTime = firstTime;
+ let {
+ mlManager
+ } = uiManager;
+ let hasAI = !!mlManager;
+ this.#toggleTitleAndDisclaimer();
+ if (mlManager && !mlManager.isReady("altText")) {
+ hasAI = false;
+ if (mlManager.hasProgress) {
+ this.#setProgress();
+ } else {
+ mlManager = null;
+ }
+ } else {
+ this.#downloadModel.classList.toggle("hidden", true);
+ }
+ const isAltTextEnabledPromise = mlManager?.isEnabledFor("altText");
+ this.#currentEditor = editor;
+ this.#uiManager = uiManager;
+ this.#uiManager.removeEditListeners();
+ ({
+ altText: this.#previousAltText
+ } = editor.altTextData);
+ this.#textarea.value = this.#previousAltText ?? "";
+ const AI_MAX_IMAGE_DIMENSION = 224;
+ const MAX_PREVIEW_DIMENSION = 180;
+ let canvas, width, height;
+ if (mlManager) {
+ ({
+ canvas,
+ width,
+ height,
+ imageData: this.#imageData
+ } = editor.copyCanvas(AI_MAX_IMAGE_DIMENSION, MAX_PREVIEW_DIMENSION, true));
+ if (hasAI) {
+ this.#toggleGuessAltText(await isAltTextEnabledPromise, true);
+ }
+ } else {
+ ({
+ canvas,
+ width,
+ height
+ } = editor.copyCanvas(AI_MAX_IMAGE_DIMENSION, MAX_PREVIEW_DIMENSION, false));
+ }
+ canvas.setAttribute("role", "presentation");
+ const {
+ style
+ } = canvas;
+ style.width = `${width}px`;
+ style.height = `${height}px`;
+ this.#imagePreview.append(canvas);
+ this.#toggleNotNow();
+ this.#toggleAI(hasAI);
+ this.#toggleError(false);
+ try {
+ await this.#overlayManager.open(this.#dialog);
+ } catch (ex) {
+ this.#close();
+ throw ex;
+ }
+ }
+ #cancel() {
+ this.#currentEditor.altTextData = {
+ cancel: true
+ };
+ const altText = this.#textarea.value.trim();
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.dismiss",
+ data: {
+ alt_text_type: altText ? "present" : "empty",
+ flow: this.#firstTime ? "image_add" : "alt_text_edit"
+ }
+ });
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.image_added",
+ data: {
+ alt_text_modal: true,
+ alt_text_type: "skipped"
+ }
+ });
+ this.#finish();
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ const canvas = this.#imagePreview.firstChild;
+ canvas.remove();
+ canvas.width = canvas.height = 0;
+ this.#imageData = null;
+ this.#toggleLoading(false);
+ this.#uiManager?.addEditListeners();
+ this.#currentEditor.altTextFinish();
+ this.#uiManager?.setSelected(this.#currentEditor);
+ this.#currentEditor = null;
+ this.#uiManager = null;
+ }
+ #extractWords(text) {
+ return new Set(text.toLowerCase().split(/[^\p{L}\p{N}]+/gu).filter(x => !!x));
+ }
+ #save() {
+ const altText = this.#textarea.value.trim();
+ this.#currentEditor.altTextData = {
+ altText,
+ decorative: false
+ };
+ this.#currentEditor.altTextData.guessedAltText = this.#guessedAltText;
+ if (this.#guessedAltText && this.#guessedAltText !== altText) {
+ const guessedWords = this.#extractWords(this.#guessedAltText);
+ const words = this.#extractWords(altText);
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.user_edit",
+ data: {
+ total_words: guessedWords.size,
+ words_removed: guessedWords.difference(words).size,
+ words_added: words.difference(guessedWords).size
+ }
+ });
+ }
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.image_added",
+ data: {
+ alt_text_modal: true,
+ alt_text_type: altText ? "present" : "empty"
+ }
+ });
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.image.alt_text.save",
+ data: {
+ alt_text_type: altText ? "present" : "empty",
+ flow: this.#firstTime ? "image_add" : "alt_text_edit"
+ }
+ });
+ this.#finish();
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#finish();
+ }
+}
+class ImageAltTextSettings {
+ #aiModelSettings;
+ #createModelButton;
+ #downloadModelButton;
+ #dialog;
+ #eventBus;
+ #mlManager;
+ #overlayManager;
+ #showAltTextDialogButton;
+ constructor({
+ dialog,
+ createModelButton,
+ aiModelSettings,
+ learnMore,
+ closeButton,
+ deleteModelButton,
+ downloadModelButton,
+ showAltTextDialogButton
+ }, overlayManager, eventBus, mlManager) {
+ this.#dialog = dialog;
+ this.#aiModelSettings = aiModelSettings;
+ this.#createModelButton = createModelButton;
+ this.#downloadModelButton = downloadModelButton;
+ this.#showAltTextDialogButton = showAltTextDialogButton;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ this.#mlManager = mlManager;
+ const {
+ altTextLearnMoreUrl
+ } = mlManager;
+ if (altTextLearnMoreUrl) {
+ learnMore.href = altTextLearnMoreUrl;
+ }
+ dialog.addEventListener("contextmenu", noContextMenu);
+ createModelButton.addEventListener("click", async e => {
+ const checked = this.#togglePref("enableGuessAltText", e);
+ await mlManager.toggleService("altText", checked);
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.settings_ai_generation_check",
+ data: {
+ status: checked
+ }
+ });
+ });
+ showAltTextDialogButton.addEventListener("click", e => {
+ const checked = this.#togglePref("enableNewAltTextWhenAddingImage", e);
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.settings_edit_alt_text_check",
+ data: {
+ status: checked
+ }
+ });
+ });
+ deleteModelButton.addEventListener("click", this.#delete.bind(this, true));
+ downloadModelButton.addEventListener("click", this.#download.bind(this, true));
+ closeButton.addEventListener("click", this.#finish.bind(this));
+ learnMore.addEventListener("click", () => {
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.info",
+ data: {
+ topic: "ai_generation"
+ }
+ });
+ });
+ eventBus._on("enablealttextmodeldownload", ({
+ value
+ }) => {
+ if (value) {
+ this.#download(false);
+ } else {
+ this.#delete(false);
+ }
+ });
+ this.#overlayManager.register(dialog);
+ }
+ #reportTelemetry(data) {
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "editing",
+ data
+ }
+ });
+ }
+ async #download(isFromUI = false) {
+ if (isFromUI) {
+ this.#downloadModelButton.disabled = true;
+ const span = this.#downloadModelButton.firstChild;
+ span.setAttribute("data-l10n-id", "pdfjs-editor-alt-text-settings-downloading-model-button");
+ await this.#mlManager.downloadModel("altText");
+ span.setAttribute("data-l10n-id", "pdfjs-editor-alt-text-settings-download-model-button");
+ this.#createModelButton.disabled = false;
+ this.#setPref("enableGuessAltText", true);
+ this.#mlManager.toggleService("altText", true);
+ this.#setPref("enableAltTextModelDownload", true);
+ this.#downloadModelButton.disabled = false;
+ }
+ this.#aiModelSettings.classList.toggle("download", false);
+ this.#createModelButton.setAttribute("aria-pressed", true);
+ }
+ async #delete(isFromUI = false) {
+ if (isFromUI) {
+ await this.#mlManager.deleteModel("altText");
+ this.#setPref("enableGuessAltText", false);
+ this.#setPref("enableAltTextModelDownload", false);
+ }
+ this.#aiModelSettings.classList.toggle("download", true);
+ this.#createModelButton.disabled = true;
+ this.#createModelButton.setAttribute("aria-pressed", false);
+ }
+ async open({
+ enableGuessAltText,
+ enableNewAltTextWhenAddingImage
+ }) {
+ const {
+ enableAltTextModelDownload
+ } = this.#mlManager;
+ this.#createModelButton.disabled = !enableAltTextModelDownload;
+ this.#createModelButton.setAttribute("aria-pressed", enableAltTextModelDownload && enableGuessAltText);
+ this.#showAltTextDialogButton.setAttribute("aria-pressed", enableNewAltTextWhenAddingImage);
+ this.#aiModelSettings.classList.toggle("download", !enableAltTextModelDownload);
+ await this.#overlayManager.open(this.#dialog);
+ this.#reportTelemetry({
+ type: "stamp",
+ action: "pdfjs.image.alt_text.settings_displayed"
+ });
+ }
+ #togglePref(name, {
+ target
+ }) {
+ const checked = target.getAttribute("aria-pressed") !== "true";
+ this.#setPref(name, checked);
+ target.setAttribute("aria-pressed", checked);
+ return checked;
+ }
+ #setPref(name, value) {
+ this.#eventBus.dispatch("setpreference", {
+ source: this,
+ name,
+ value
+ });
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+}
+
+;// ./web/alt_text_manager.js
+
+class AltTextManager {
+ #clickAC = null;
+ #currentEditor = null;
+ #cancelButton;
+ #dialog;
+ #eventBus;
+ #hasUsedPointer = false;
+ #optionDescription;
+ #optionDecorative;
+ #overlayManager;
+ #saveButton;
+ #textarea;
+ #uiManager;
+ #previousAltText = null;
+ #resizeAC = null;
+ #svgElement = null;
+ #rectElement = null;
+ #container;
+ #telemetryData = null;
+ constructor({
+ dialog,
+ optionDescription,
+ optionDecorative,
+ textarea,
+ cancelButton,
+ saveButton
+ }, container, overlayManager, eventBus) {
+ this.#dialog = dialog;
+ this.#optionDescription = optionDescription;
+ this.#optionDecorative = optionDecorative;
+ this.#textarea = textarea;
+ this.#cancelButton = cancelButton;
+ this.#saveButton = saveButton;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ this.#container = container;
+ const onUpdateUIState = this.#updateUIState.bind(this);
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", event => {
+ if (event.target !== this.#textarea) {
+ event.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", this.#finish.bind(this));
+ saveButton.addEventListener("click", this.#save.bind(this));
+ optionDescription.addEventListener("change", onUpdateUIState);
+ optionDecorative.addEventListener("change", onUpdateUIState);
+ this.#overlayManager.register(dialog);
+ }
+ #createSVGElement() {
+ if (this.#svgElement) {
+ return;
+ }
+ const svgFactory = new DOMSVGFactory();
+ const svg = this.#svgElement = svgFactory.createElement("svg");
+ svg.setAttribute("width", "0");
+ svg.setAttribute("height", "0");
+ const defs = svgFactory.createElement("defs");
+ svg.append(defs);
+ const mask = svgFactory.createElement("mask");
+ defs.append(mask);
+ mask.setAttribute("id", "alttext-manager-mask");
+ mask.setAttribute("maskContentUnits", "objectBoundingBox");
+ let rect = svgFactory.createElement("rect");
+ mask.append(rect);
+ rect.setAttribute("fill", "white");
+ rect.setAttribute("width", "1");
+ rect.setAttribute("height", "1");
+ rect.setAttribute("x", "0");
+ rect.setAttribute("y", "0");
+ rect = this.#rectElement = svgFactory.createElement("rect");
+ mask.append(rect);
+ rect.setAttribute("fill", "black");
+ this.#dialog.append(svg);
+ }
+ async editAltText(uiManager, editor) {
+ if (this.#currentEditor || !editor) {
+ return;
+ }
+ this.#createSVGElement();
+ this.#hasUsedPointer = false;
+ this.#clickAC = new AbortController();
+ const clickOpts = {
+ signal: this.#clickAC.signal
+ },
+ onClick = this.#onClick.bind(this);
+ for (const element of [this.#optionDescription, this.#optionDecorative, this.#textarea, this.#saveButton, this.#cancelButton]) {
+ element.addEventListener("click", onClick, clickOpts);
+ }
+ const {
+ altText,
+ decorative
+ } = editor.altTextData;
+ if (decorative === true) {
+ this.#optionDecorative.checked = true;
+ this.#optionDescription.checked = false;
+ } else {
+ this.#optionDecorative.checked = false;
+ this.#optionDescription.checked = true;
+ }
+ this.#previousAltText = this.#textarea.value = altText?.trim() || "";
+ this.#updateUIState();
+ this.#currentEditor = editor;
+ this.#uiManager = uiManager;
+ this.#uiManager.removeEditListeners();
+ this.#resizeAC = new AbortController();
+ this.#eventBus._on("resize", this.#setPosition.bind(this), {
+ signal: this.#resizeAC.signal
+ });
+ try {
+ await this.#overlayManager.open(this.#dialog);
+ this.#setPosition();
+ } catch (ex) {
+ this.#close();
+ throw ex;
+ }
+ }
+ #setPosition() {
+ if (!this.#currentEditor) {
+ return;
+ }
+ const dialog = this.#dialog;
+ const {
+ style
+ } = dialog;
+ const {
+ x: containerX,
+ y: containerY,
+ width: containerW,
+ height: containerH
+ } = this.#container.getBoundingClientRect();
+ const {
+ innerWidth: windowW,
+ innerHeight: windowH
+ } = window;
+ const {
+ width: dialogW,
+ height: dialogH
+ } = dialog.getBoundingClientRect();
+ const {
+ x,
+ y,
+ width,
+ height
+ } = this.#currentEditor.getClientDimensions();
+ const MARGIN = 10;
+ const isLTR = this.#uiManager.direction === "ltr";
+ const xs = Math.max(x, containerX);
+ const xe = Math.min(x + width, containerX + containerW);
+ const ys = Math.max(y, containerY);
+ const ye = Math.min(y + height, containerY + containerH);
+ this.#rectElement.setAttribute("width", `${(xe - xs) / windowW}`);
+ this.#rectElement.setAttribute("height", `${(ye - ys) / windowH}`);
+ this.#rectElement.setAttribute("x", `${xs / windowW}`);
+ this.#rectElement.setAttribute("y", `${ys / windowH}`);
+ let left = null;
+ let top = Math.max(y, 0);
+ top += Math.min(windowH - (top + dialogH), 0);
+ if (isLTR) {
+ if (x + width + MARGIN + dialogW < windowW) {
+ left = x + width + MARGIN;
+ } else if (x > dialogW + MARGIN) {
+ left = x - dialogW - MARGIN;
+ }
+ } else if (x > dialogW + MARGIN) {
+ left = x - dialogW - MARGIN;
+ } else if (x + width + MARGIN + dialogW < windowW) {
+ left = x + width + MARGIN;
+ }
+ if (left === null) {
+ top = null;
+ left = Math.max(x, 0);
+ left += Math.min(windowW - (left + dialogW), 0);
+ if (y > dialogH + MARGIN) {
+ top = y - dialogH - MARGIN;
+ } else if (y + height + MARGIN + dialogH < windowH) {
+ top = y + height + MARGIN;
+ }
+ }
+ if (top !== null) {
+ dialog.classList.add("positioned");
+ if (isLTR) {
+ style.left = `${left}px`;
+ } else {
+ style.right = `${windowW - left - dialogW}px`;
+ }
+ style.top = `${top}px`;
+ } else {
+ dialog.classList.remove("positioned");
+ style.left = "";
+ style.top = "";
+ }
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ this.#currentEditor._reportTelemetry(this.#telemetryData || {
+ action: "alt_text_cancel",
+ alt_text_keyboard: !this.#hasUsedPointer
+ });
+ this.#telemetryData = null;
+ this.#removeOnClickListeners();
+ this.#uiManager?.addEditListeners();
+ this.#resizeAC?.abort();
+ this.#resizeAC = null;
+ this.#currentEditor.altTextFinish();
+ this.#currentEditor = null;
+ this.#uiManager = null;
+ }
+ #updateUIState() {
+ this.#textarea.disabled = this.#optionDecorative.checked;
+ }
+ #save() {
+ const altText = this.#textarea.value.trim();
+ const decorative = this.#optionDecorative.checked;
+ this.#currentEditor.altTextData = {
+ altText,
+ decorative
+ };
+ this.#telemetryData = {
+ action: "alt_text_save",
+ alt_text_description: !!altText,
+ alt_text_edit: !!this.#previousAltText && this.#previousAltText !== altText,
+ alt_text_decorative: decorative,
+ alt_text_keyboard: !this.#hasUsedPointer
+ };
+ this.#finish();
+ }
+ #onClick(evt) {
+ if (evt.detail === 0) {
+ return;
+ }
+ this.#hasUsedPointer = true;
+ this.#removeOnClickListeners();
+ }
+ #removeOnClickListeners() {
+ this.#clickAC?.abort();
+ this.#clickAC = null;
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#finish();
+ this.#svgElement?.remove();
+ this.#svgElement = this.#rectElement = null;
+ }
+}
+
+;// ./web/annotation_editor_params.js
+
+class AnnotationEditorParams {
+ constructor(options, eventBus) {
+ this.eventBus = eventBus;
+ this.#bindListeners(options);
+ }
+ #bindListeners({
+ editorFreeTextFontSize,
+ editorFreeTextColor,
+ editorInkColor,
+ editorInkThickness,
+ editorInkOpacity,
+ editorStampAddImage,
+ editorFreeHighlightThickness,
+ editorHighlightShowAll,
+ editorSignatureAddSignature
+ }) {
+ const {
+ eventBus
+ } = this;
+ const dispatchEvent = (typeStr, value) => {
+ eventBus.dispatch("switchannotationeditorparams", {
+ source: this,
+ type: AnnotationEditorParamsType[typeStr],
+ value
+ });
+ };
+ editorFreeTextFontSize.addEventListener("input", function () {
+ dispatchEvent("FREETEXT_SIZE", this.valueAsNumber);
+ });
+ editorFreeTextColor.addEventListener("input", function () {
+ dispatchEvent("FREETEXT_COLOR", this.value);
+ });
+ editorInkColor.addEventListener("input", function () {
+ dispatchEvent("INK_COLOR", this.value);
+ });
+ editorInkThickness.addEventListener("input", function () {
+ dispatchEvent("INK_THICKNESS", this.valueAsNumber);
+ });
+ editorInkOpacity.addEventListener("input", function () {
+ dispatchEvent("INK_OPACITY", this.valueAsNumber);
+ });
+ editorStampAddImage.addEventListener("click", () => {
+ eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "editing",
+ data: {
+ action: "pdfjs.image.add_image_click"
+ }
+ }
+ });
+ dispatchEvent("CREATE");
+ });
+ editorFreeHighlightThickness.addEventListener("input", function () {
+ dispatchEvent("HIGHLIGHT_THICKNESS", this.valueAsNumber);
+ });
+ editorHighlightShowAll.addEventListener("click", function () {
+ const checked = this.getAttribute("aria-pressed") === "true";
+ this.setAttribute("aria-pressed", !checked);
+ dispatchEvent("HIGHLIGHT_SHOW_ALL", !checked);
+ });
+ editorSignatureAddSignature.addEventListener("click", () => {
+ dispatchEvent("CREATE");
+ });
+ eventBus._on("annotationeditorparamschanged", evt => {
+ for (const [type, value] of evt.details) {
+ switch (type) {
+ case AnnotationEditorParamsType.FREETEXT_SIZE:
+ editorFreeTextFontSize.value = value;
+ break;
+ case AnnotationEditorParamsType.FREETEXT_COLOR:
+ editorFreeTextColor.value = value;
+ break;
+ case AnnotationEditorParamsType.INK_COLOR:
+ editorInkColor.value = value;
+ break;
+ case AnnotationEditorParamsType.INK_THICKNESS:
+ editorInkThickness.value = value;
+ break;
+ case AnnotationEditorParamsType.INK_OPACITY:
+ editorInkOpacity.value = value;
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_COLOR:
+ eventBus.dispatch("mainhighlightcolorpickerupdatecolor", {
+ source: this,
+ value
+ });
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_THICKNESS:
+ editorFreeHighlightThickness.value = value;
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_FREE:
+ editorFreeHighlightThickness.disabled = !value;
+ break;
+ case AnnotationEditorParamsType.HIGHLIGHT_SHOW_ALL:
+ editorHighlightShowAll.setAttribute("aria-pressed", value);
+ break;
+ }
+ }
+ });
+ }
+}
+
+;// ./web/caret_browsing.js
+const PRECISION = 1e-1;
+class CaretBrowsingMode {
+ #mainContainer;
+ #toolBarHeight = 0;
+ #viewerContainer;
+ constructor(abortSignal, mainContainer, viewerContainer, toolbarContainer) {
+ this.#mainContainer = mainContainer;
+ this.#viewerContainer = viewerContainer;
+ if (!toolbarContainer) {
+ return;
+ }
+ this.#toolBarHeight = toolbarContainer.getBoundingClientRect().height;
+ const toolbarObserver = new ResizeObserver(entries => {
+ for (const entry of entries) {
+ if (entry.target === toolbarContainer) {
+ this.#toolBarHeight = Math.floor(entry.borderBoxSize[0].blockSize);
+ break;
+ }
+ }
+ });
+ toolbarObserver.observe(toolbarContainer);
+ abortSignal.addEventListener("abort", () => toolbarObserver.disconnect(), {
+ once: true
+ });
+ }
+ #isOnSameLine(rect1, rect2) {
+ const top1 = rect1.y;
+ const bot1 = rect1.bottom;
+ const mid1 = rect1.y + rect1.height / 2;
+ const top2 = rect2.y;
+ const bot2 = rect2.bottom;
+ const mid2 = rect2.y + rect2.height / 2;
+ return top1 <= mid2 && mid2 <= bot1 || top2 <= mid1 && mid1 <= bot2;
+ }
+ #isUnderOver(rect, x, y, isUp) {
+ const midY = rect.y + rect.height / 2;
+ return (isUp ? y >= midY : y <= midY) && rect.x - PRECISION <= x && x <= rect.right + PRECISION;
+ }
+ #isVisible(rect) {
+ return rect.top >= this.#toolBarHeight && rect.left >= 0 && rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && rect.right <= (window.innerWidth || document.documentElement.clientWidth);
+ }
+ #getCaretPosition(selection, isUp) {
+ const {
+ focusNode,
+ focusOffset
+ } = selection;
+ const range = document.createRange();
+ range.setStart(focusNode, focusOffset);
+ range.setEnd(focusNode, focusOffset);
+ const rect = range.getBoundingClientRect();
+ return [rect.x, isUp ? rect.top : rect.bottom];
+ }
+ static #caretPositionFromPoint(x, y) {
+ if (!document.caretPositionFromPoint) {
+ const {
+ startContainer: offsetNode,
+ startOffset: offset
+ } = document.caretRangeFromPoint(x, y);
+ return {
+ offsetNode,
+ offset
+ };
+ }
+ return document.caretPositionFromPoint(x, y);
+ }
+ #setCaretPositionHelper(selection, caretX, select, element, rect) {
+ rect ||= element.getBoundingClientRect();
+ if (caretX <= rect.x + PRECISION) {
+ if (select) {
+ selection.extend(element.firstChild, 0);
+ } else {
+ selection.setPosition(element.firstChild, 0);
+ }
+ return;
+ }
+ if (rect.right - PRECISION <= caretX) {
+ const {
+ lastChild
+ } = element;
+ if (select) {
+ selection.extend(lastChild, lastChild.length);
+ } else {
+ selection.setPosition(lastChild, lastChild.length);
+ }
+ return;
+ }
+ const midY = rect.y + rect.height / 2;
+ let caretPosition = CaretBrowsingMode.#caretPositionFromPoint(caretX, midY);
+ let parentElement = caretPosition.offsetNode?.parentElement;
+ if (parentElement && parentElement !== element) {
+ const elementsAtPoint = document.elementsFromPoint(caretX, midY);
+ const savedVisibilities = [];
+ for (const el of elementsAtPoint) {
+ if (el === element) {
+ break;
+ }
+ const {
+ style
+ } = el;
+ savedVisibilities.push([el, style.visibility]);
+ style.visibility = "hidden";
+ }
+ caretPosition = CaretBrowsingMode.#caretPositionFromPoint(caretX, midY);
+ parentElement = caretPosition.offsetNode?.parentElement;
+ for (const [el, visibility] of savedVisibilities) {
+ el.style.visibility = visibility;
+ }
+ }
+ if (parentElement !== element) {
+ if (select) {
+ selection.extend(element.firstChild, 0);
+ } else {
+ selection.setPosition(element.firstChild, 0);
+ }
+ return;
+ }
+ if (select) {
+ selection.extend(caretPosition.offsetNode, caretPosition.offset);
+ } else {
+ selection.setPosition(caretPosition.offsetNode, caretPosition.offset);
+ }
+ }
+ #setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX) {
+ if (this.#isVisible(newLineElementRect)) {
+ this.#setCaretPositionHelper(selection, caretX, select, newLineElement, newLineElementRect);
+ return;
+ }
+ this.#mainContainer.addEventListener("scrollend", this.#setCaretPositionHelper.bind(this, selection, caretX, select, newLineElement, null), {
+ once: true
+ });
+ newLineElement.scrollIntoView();
+ }
+ #getNodeOnNextPage(textLayer, isUp) {
+ while (true) {
+ const page = textLayer.closest(".page");
+ const pageNumber = parseInt(page.getAttribute("data-page-number"));
+ const nextPage = isUp ? pageNumber - 1 : pageNumber + 1;
+ textLayer = this.#viewerContainer.querySelector(`.page[data-page-number="${nextPage}"] .textLayer`);
+ if (!textLayer) {
+ return null;
+ }
+ const walker = document.createTreeWalker(textLayer, NodeFilter.SHOW_TEXT);
+ const node = isUp ? walker.lastChild() : walker.firstChild();
+ if (node) {
+ return node;
+ }
+ }
+ }
+ moveCaret(isUp, select) {
+ const selection = document.getSelection();
+ if (selection.rangeCount === 0) {
+ return;
+ }
+ const {
+ focusNode
+ } = selection;
+ const focusElement = focusNode.nodeType !== Node.ELEMENT_NODE ? focusNode.parentElement : focusNode;
+ const root = focusElement.closest(".textLayer");
+ if (!root) {
+ return;
+ }
+ const walker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT);
+ walker.currentNode = focusNode;
+ const focusRect = focusElement.getBoundingClientRect();
+ let newLineElement = null;
+ const nodeIterator = (isUp ? walker.previousSibling : walker.nextSibling).bind(walker);
+ while (nodeIterator()) {
+ const element = walker.currentNode.parentElement;
+ if (!this.#isOnSameLine(focusRect, element.getBoundingClientRect())) {
+ newLineElement = element;
+ break;
+ }
+ }
+ if (!newLineElement) {
+ const node = this.#getNodeOnNextPage(root, isUp);
+ if (!node) {
+ return;
+ }
+ if (select) {
+ const lastNode = (isUp ? walker.firstChild() : walker.lastChild()) || focusNode;
+ selection.extend(lastNode, isUp ? 0 : lastNode.length);
+ const range = document.createRange();
+ range.setStart(node, isUp ? node.length : 0);
+ range.setEnd(node, isUp ? node.length : 0);
+ selection.addRange(range);
+ return;
+ }
+ const [caretX] = this.#getCaretPosition(selection, isUp);
+ const {
+ parentElement
+ } = node;
+ this.#setCaretPosition(select, selection, parentElement, parentElement.getBoundingClientRect(), caretX);
+ return;
+ }
+ const [caretX, caretY] = this.#getCaretPosition(selection, isUp);
+ const newLineElementRect = newLineElement.getBoundingClientRect();
+ if (this.#isUnderOver(newLineElementRect, caretX, caretY, isUp)) {
+ this.#setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX);
+ return;
+ }
+ while (nodeIterator()) {
+ const element = walker.currentNode.parentElement;
+ const elementRect = element.getBoundingClientRect();
+ if (!this.#isOnSameLine(newLineElementRect, elementRect)) {
+ break;
+ }
+ if (this.#isUnderOver(elementRect, caretX, caretY, isUp)) {
+ this.#setCaretPosition(select, selection, element, elementRect, caretX);
+ return;
+ }
+ }
+ this.#setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX);
+ }
+}
+
+;// ./web/comment_manager.js
+
+
+class CommentManager {
+ #dialog;
+ #popup;
+ #sidebar;
+ static #hasForcedColors = null;
+ constructor(commentDialog, sidebar, eventBus, linkService, overlayManager, ltr, hasForcedColors) {
+ const dateFormat = new Intl.DateTimeFormat(undefined, {
+ dateStyle: "long"
+ });
+ this.dialogElement = commentDialog.dialog;
+ this.#dialog = new CommentDialog(commentDialog, overlayManager, eventBus, ltr);
+ this.#popup = new CommentPopup(eventBus, dateFormat, ltr, this.dialogElement);
+ this.#sidebar = new CommentSidebar(sidebar, eventBus, linkService, this.#popup, dateFormat, ltr);
+ this.#popup.sidebar = this.#sidebar;
+ CommentManager.#hasForcedColors = hasForcedColors;
+ }
+ setSidebarUiManager(uiManager) {
+ this.#sidebar.setUIManager(uiManager);
+ }
+ showSidebar(annotations) {
+ this.#sidebar.show(annotations);
+ }
+ hideSidebar() {
+ this.#sidebar.hide();
+ }
+ removeComments(ids) {
+ this.#sidebar.removeComments(ids);
+ }
+ selectComment(id) {
+ this.#sidebar.selectComment(null, id);
+ }
+ addComment(annotation) {
+ this.#sidebar.addComment(annotation);
+ }
+ updateComment(annotation) {
+ this.#sidebar.updateComment(annotation);
+ }
+ toggleCommentPopup(editor, isSelected, visibility, isEditable) {
+ if (isSelected) {
+ this.selectComment(editor.uid);
+ }
+ this.#popup.toggle(editor, isSelected, visibility, isEditable);
+ }
+ destroyPopup() {
+ this.#popup.destroy();
+ }
+ updatePopupColor(editor) {
+ this.#popup.updateColor(editor);
+ }
+ showDialog(uiManager, editor, posX, posY, options) {
+ return this.#dialog.open(uiManager, editor, posX, posY, options);
+ }
+ makeCommentColor(color, opacity) {
+ return CommentManager._makeCommentColor(color, opacity);
+ }
+ static _makeCommentColor(color, opacity) {
+ return this.#hasForcedColors ? null : findContrastColor(applyOpacity(...color, opacity ?? 1), CSSConstants.commentForegroundColor);
+ }
+ destroy() {
+ this.#dialog.destroy();
+ this.#sidebar.hide();
+ this.#popup.destroy();
+ }
+}
+class CommentSidebar {
+ #annotations = null;
+ #eventBus;
+ #boundCommentClick = this.#commentClick.bind(this);
+ #boundCommentKeydown = this.#commentKeydown.bind(this);
+ #sidebar;
+ #closeButton;
+ #commentsList;
+ #commentCount;
+ #dateFormat;
+ #sidebarTitle;
+ #learnMoreUrl;
+ #linkService;
+ #popup;
+ #elementsToAnnotations = null;
+ #idsToElements = null;
+ #uiManager = null;
+ #minWidth = 0;
+ #maxWidth = 0;
+ #initialWidth = 0;
+ #width = 0;
+ #ltr;
+ constructor({
+ learnMoreUrl,
+ sidebar,
+ sidebarResizer,
+ commentsList,
+ commentCount,
+ sidebarTitle,
+ closeButton,
+ commentToolbarButton
+ }, eventBus, linkService, popup, dateFormat, ltr) {
+ this.#sidebar = sidebar;
+ this.#sidebarTitle = sidebarTitle;
+ this.#commentsList = commentsList;
+ this.#commentCount = commentCount;
+ this.#learnMoreUrl = learnMoreUrl;
+ this.#linkService = linkService;
+ this.#closeButton = closeButton;
+ this.#popup = popup;
+ this.#dateFormat = dateFormat;
+ this.#ltr = ltr;
+ this.#eventBus = eventBus;
+ const style = window.getComputedStyle(sidebar);
+ this.#minWidth = parseFloat(style.getPropertyValue("--sidebar-min-width"));
+ this.#maxWidth = parseFloat(style.getPropertyValue("--sidebar-max-width"));
+ this.#initialWidth = this.#width = parseFloat(style.getPropertyValue("--sidebar-width"));
+ this.#makeSidebarResizable(sidebarResizer);
+ closeButton.addEventListener("click", () => {
+ eventBus.dispatch("switchannotationeditormode", {
+ source: this,
+ mode: AnnotationEditorType.NONE
+ });
+ });
+ const keyDownCallback = e => {
+ if (e.key === "ArrowDown" || e.key === "Home" || e.key === "F6") {
+ this.#commentsList.firstElementChild.focus();
+ stopEvent(e);
+ } else if (e.key === "ArrowUp" || e.key === "End") {
+ this.#commentsList.lastElementChild.focus();
+ stopEvent(e);
+ }
+ };
+ commentToolbarButton.addEventListener("keydown", keyDownCallback);
+ sidebar.addEventListener("keydown", keyDownCallback);
+ this.#sidebar.hidden = true;
+ }
+ #makeSidebarResizable(resizer) {
+ let pointerMoveAC;
+ const cancelResize = () => {
+ this.#width = MathClamp(this.#width, this.#minWidth, this.#maxWidth);
+ this.#sidebar.classList.remove("resizing");
+ pointerMoveAC?.abort();
+ pointerMoveAC = null;
+ };
+ resizer.addEventListener("pointerdown", e => {
+ if (pointerMoveAC) {
+ cancelResize();
+ return;
+ }
+ const {
+ clientX
+ } = e;
+ stopEvent(e);
+ let prevX = clientX;
+ pointerMoveAC = new AbortController();
+ const {
+ signal
+ } = pointerMoveAC;
+ const sign = this.#ltr ? -1 : 1;
+ const sidebar = this.#sidebar;
+ const sidebarStyle = sidebar.style;
+ sidebar.classList.add("resizing");
+ const parentStyle = sidebar.parentElement.style;
+ parentStyle.minWidth = 0;
+ window.addEventListener("contextmenu", noContextMenu, {
+ signal
+ });
+ window.addEventListener("pointermove", ev => {
+ if (!pointerMoveAC) {
+ return;
+ }
+ stopEvent(ev);
+ const {
+ clientX: x
+ } = ev;
+ const newWidth = this.#width += sign * (x - prevX);
+ prevX = x;
+ if (newWidth > this.#maxWidth || newWidth < this.#minWidth) {
+ return;
+ }
+ sidebarStyle.width = `${newWidth.toFixed(3)}px`;
+ parentStyle.insetInlineStart = `${(this.#initialWidth - newWidth).toFixed(3)}px`;
+ }, {
+ signal,
+ capture: true
+ });
+ window.addEventListener("blur", cancelResize, {
+ signal
+ });
+ window.addEventListener("pointerup", ev => {
+ if (pointerMoveAC) {
+ cancelResize();
+ stopEvent(ev);
+ }
+ }, {
+ signal
+ });
+ });
+ }
+ setUIManager(uiManager) {
+ this.#uiManager = uiManager;
+ }
+ show(annotations) {
+ this.#elementsToAnnotations = new WeakMap();
+ this.#idsToElements = new Map();
+ this.#annotations = annotations;
+ annotations.sort(this.#sortComments.bind(this));
+ if (annotations.length !== 0) {
+ const fragment = document.createDocumentFragment();
+ for (const annotation of annotations) {
+ fragment.append(this.#createCommentElement(annotation));
+ }
+ this.#setCommentsCount(fragment);
+ this.#commentsList.append(fragment);
+ } else {
+ this.#setCommentsCount();
+ }
+ this.#sidebar.hidden = false;
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "commentSidebar",
+ data: {
+ numberOfAnnotations: annotations.length
+ }
+ }
+ });
+ }
+ hide() {
+ this.#sidebar.hidden = true;
+ this.#commentsList.replaceChildren();
+ this.#elementsToAnnotations = null;
+ this.#idsToElements = null;
+ this.#annotations = null;
+ }
+ removeComments(ids) {
+ if (ids.length === 0 || !this.#idsToElements) {
+ return;
+ }
+ if (new Set(this.#idsToElements.keys()).difference(new Set(ids)).size === 0) {
+ this.#removeAll();
+ return;
+ }
+ for (const id of ids) {
+ this.#removeComment(id);
+ }
+ }
+ focusComment(id) {
+ const element = this.#idsToElements.get(id);
+ if (!element) {
+ return;
+ }
+ this.#sidebar.scrollTop = element.offsetTop - this.#sidebar.offsetTop;
+ for (const el of this.#commentsList.children) {
+ el.classList.toggle("selected", el === element);
+ }
+ }
+ updateComment(annotation) {
+ if (!this.#idsToElements) {
+ return;
+ }
+ const {
+ id,
+ creationDate,
+ modificationDate,
+ richText,
+ contentsObj,
+ popupRef
+ } = annotation;
+ if (!popupRef || !richText && !contentsObj?.str) {
+ this.#removeComment(id);
+ }
+ const element = this.#idsToElements.get(id);
+ if (!element) {
+ return;
+ }
+ const prevAnnotation = this.#elementsToAnnotations.get(element);
+ let index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, prevAnnotation) >= 0);
+ if (index >= this.#annotations.length) {
+ return;
+ }
+ this.#setDate(element.firstChild, modificationDate || creationDate);
+ this.#setText(element.lastChild, richText, contentsObj);
+ this.#annotations.splice(index, 1);
+ index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, annotation) >= 0);
+ this.#annotations.splice(index, 0, annotation);
+ if (index >= this.#commentsList.children.length) {
+ this.#commentsList.append(element);
+ } else {
+ this.#commentsList.insertBefore(element, this.#commentsList.children[index]);
+ }
+ }
+ #removeComment(id) {
+ const element = this.#idsToElements?.get(id);
+ if (!element) {
+ return;
+ }
+ const annotation = this.#elementsToAnnotations.get(element);
+ const index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, annotation) >= 0);
+ if (index >= this.#annotations.length) {
+ return;
+ }
+ this.#annotations.splice(index, 1);
+ element.remove();
+ this.#idsToElements.delete(id);
+ this.#setCommentsCount();
+ }
+ #removeAll() {
+ this.#commentsList.replaceChildren();
+ this.#elementsToAnnotations = new WeakMap();
+ this.#idsToElements.clear();
+ this.#annotations.length = 0;
+ this.#setCommentsCount();
+ }
+ selectComment(element, id = null) {
+ if (!this.#idsToElements) {
+ return;
+ }
+ const hasNoElement = !element;
+ element ||= this.#idsToElements.get(id);
+ for (const el of this.#commentsList.children) {
+ el.classList.toggle("selected", el === element);
+ }
+ if (hasNoElement) {
+ element?.scrollIntoView({
+ behavior: "instant",
+ block: "center"
+ });
+ }
+ }
+ addComment(annotation) {
+ if (this.#idsToElements?.has(annotation.id)) {
+ return;
+ }
+ const {
+ popupRef,
+ contentsObj
+ } = annotation;
+ if (!popupRef || !contentsObj?.str) {
+ return;
+ }
+ const commentItem = this.#createCommentElement(annotation);
+ if (this.#annotations.length === 0) {
+ this.#commentsList.replaceChildren(commentItem);
+ this.#annotations.push(annotation);
+ this.#setCommentsCount();
+ return;
+ }
+ const index = binarySearchFirstItem(this.#annotations, a => this.#sortComments(a, annotation) >= 0);
+ this.#annotations.splice(index, 0, annotation);
+ if (index >= this.#commentsList.children.length) {
+ this.#commentsList.append(commentItem);
+ } else {
+ this.#commentsList.insertBefore(commentItem, this.#commentsList.children[index]);
+ }
+ this.#setCommentsCount();
+ }
+ #setCommentsCount(container = this.#commentsList) {
+ const count = this.#idsToElements.size;
+ this.#sidebarTitle.setAttribute("data-l10n-args", JSON.stringify({
+ count
+ }));
+ this.#commentCount.textContent = count;
+ if (count === 0) {
+ container.append(this.#createZeroCommentElement());
+ }
+ }
+ #createZeroCommentElement() {
+ const commentItem = document.createElement("li");
+ commentItem.classList.add("sidebarComment", "noComments");
+ const textDiv = document.createElement("div");
+ textDiv.className = "sidebarCommentText";
+ textDiv.setAttribute("data-l10n-id", "pdfjs-editor-comments-sidebar-no-comments1");
+ commentItem.append(textDiv);
+ if (this.#learnMoreUrl) {
+ const a = document.createElement("a");
+ a.setAttribute("data-l10n-id", "pdfjs-editor-comments-sidebar-no-comments-link");
+ a.href = this.#learnMoreUrl;
+ a.target = "_blank";
+ a.rel = "noopener noreferrer";
+ commentItem.append(a);
+ }
+ return commentItem;
+ }
+ #setDate(element, date) {
+ date = PDFDateString.toDateObject(date);
+ element.dateTime = date.toISOString();
+ element.textContent = this.#dateFormat.format(date);
+ }
+ #setText(element, richText, contentsObj) {
+ element.replaceChildren();
+ const html = richText?.str && (!contentsObj?.str || richText.str === contentsObj.str) ? richText.html : contentsObj?.str;
+ renderRichText({
+ html,
+ dir: contentsObj?.dir || "auto",
+ className: "richText"
+ }, element);
+ }
+ #createCommentElement(annotation) {
+ const {
+ id,
+ creationDate,
+ modificationDate,
+ richText,
+ contentsObj,
+ color,
+ opacity
+ } = annotation;
+ const commentItem = document.createElement("li");
+ commentItem.role = "button";
+ commentItem.className = "sidebarComment";
+ commentItem.tabIndex = -1;
+ commentItem.style.backgroundColor = color && CommentManager._makeCommentColor(color, opacity) || "";
+ const dateDiv = document.createElement("time");
+ this.#setDate(dateDiv, modificationDate || creationDate);
+ const textDiv = document.createElement("div");
+ textDiv.className = "sidebarCommentText";
+ this.#setText(textDiv, richText, contentsObj);
+ commentItem.append(dateDiv, textDiv);
+ commentItem.addEventListener("click", this.#boundCommentClick);
+ commentItem.addEventListener("keydown", this.#boundCommentKeydown);
+ this.#elementsToAnnotations.set(commentItem, annotation);
+ this.#idsToElements.set(id, commentItem);
+ return commentItem;
+ }
+ async #commentClick({
+ currentTarget
+ }) {
+ if (currentTarget.classList.contains("selected")) {
+ currentTarget.classList.remove("selected");
+ this.#popup._hide();
+ return;
+ }
+ const annotation = this.#elementsToAnnotations.get(currentTarget);
+ if (!annotation) {
+ return;
+ }
+ this.#popup._hide();
+ const {
+ id,
+ pageIndex,
+ rect
+ } = annotation;
+ const pageNumber = pageIndex + 1;
+ const pageVisiblePromise = this.#uiManager?.waitForEditorsRendered(pageNumber);
+ this.#linkService?.goToXY(pageNumber, rect[0], rect[3], {
+ center: "both"
+ });
+ this.selectComment(currentTarget);
+ await pageVisiblePromise;
+ this.#uiManager?.selectComment(pageIndex, id);
+ }
+ #commentKeydown(e) {
+ const {
+ key,
+ currentTarget
+ } = e;
+ switch (key) {
+ case "ArrowDown":
+ (currentTarget.nextElementSibling || this.#commentsList.firstElementChild).focus();
+ stopEvent(e);
+ break;
+ case "ArrowUp":
+ (currentTarget.previousElementSibling || this.#commentsList.lastElementChild).focus();
+ stopEvent(e);
+ break;
+ case "Home":
+ this.#commentsList.firstElementChild.focus();
+ stopEvent(e);
+ break;
+ case "End":
+ this.#commentsList.lastElementChild.focus();
+ stopEvent(e);
+ break;
+ case "Enter":
+ case " ":
+ this.#commentClick(e);
+ stopEvent(e);
+ break;
+ case "ShiftTab":
+ this.#closeButton.focus();
+ stopEvent(e);
+ break;
+ }
+ }
+ #sortComments(a, b) {
+ const dateA = PDFDateString.toDateObject(a.modificationDate || a.creationDate);
+ const dateB = PDFDateString.toDateObject(b.modificationDate || b.creationDate);
+ if (dateA !== dateB) {
+ if (dateA !== null && dateB !== null) {
+ return dateB - dateA;
+ }
+ return dateA !== null ? -1 : 1;
+ }
+ if (a.pageIndex !== b.pageIndex) {
+ return a.pageIndex - b.pageIndex;
+ }
+ if (a.rect[3] !== b.rect[3]) {
+ return b.rect[3] - a.rect[3];
+ }
+ if (a.rect[0] !== b.rect[0]) {
+ return a.rect[0] - b.rect[0];
+ }
+ if (a.rect[1] !== b.rect[1]) {
+ return b.rect[1] - a.rect[1];
+ }
+ if (a.rect[2] !== b.rect[2]) {
+ return a.rect[2] - b.rect[2];
+ }
+ return a.id.localeCompare(b.id);
+ }
+}
+class CommentDialog {
+ #dialog;
+ #editor;
+ #overlayManager;
+ #previousText = "";
+ #commentText = "";
+ #textInput;
+ #title;
+ #saveButton;
+ #uiManager;
+ #prevDragX = 0;
+ #prevDragY = 0;
+ #dialogX = 0;
+ #dialogY = 0;
+ #isLTR;
+ #eventBus;
+ constructor({
+ dialog,
+ toolbar,
+ title,
+ textInput,
+ cancelButton,
+ saveButton
+ }, overlayManager, eventBus, ltr) {
+ this.#dialog = dialog;
+ this.#textInput = textInput;
+ this.#overlayManager = overlayManager;
+ this.#eventBus = eventBus;
+ this.#saveButton = saveButton;
+ this.#title = title;
+ this.#isLTR = ltr;
+ const finishBound = this.#finish.bind(this);
+ dialog.addEventListener("close", finishBound);
+ dialog.addEventListener("contextmenu", e => {
+ if (e.target !== this.#textInput) {
+ e.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", finishBound);
+ saveButton.addEventListener("click", this.#save.bind(this));
+ textInput.addEventListener("input", () => {
+ saveButton.disabled = textInput.value === this.#previousText;
+ });
+ let pointerMoveAC;
+ const cancelDrag = () => {
+ dialog.classList.remove("dragging");
+ pointerMoveAC?.abort();
+ pointerMoveAC = null;
+ };
+ toolbar.addEventListener("pointerdown", e => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ return;
+ }
+ const {
+ clientX,
+ clientY
+ } = e;
+ stopEvent(e);
+ this.#prevDragX = clientX;
+ this.#prevDragY = clientY;
+ pointerMoveAC = new AbortController();
+ const {
+ signal
+ } = pointerMoveAC;
+ const {
+ innerHeight,
+ innerWidth
+ } = window;
+ dialog.classList.add("dragging");
+ window.addEventListener("pointermove", ev => {
+ if (!pointerMoveAC) {
+ return;
+ }
+ const {
+ clientX: x,
+ clientY: y
+ } = ev;
+ this.#setPosition(this.#dialogX + (x - this.#prevDragX) / innerWidth, this.#dialogY + (y - this.#prevDragY) / innerHeight);
+ this.#prevDragX = x;
+ this.#prevDragY = y;
+ stopEvent(ev);
+ }, {
+ signal
+ });
+ window.addEventListener("blur", cancelDrag, {
+ signal
+ });
+ window.addEventListener("pointerup", ev => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ stopEvent(ev);
+ }
+ }, {
+ signal
+ });
+ });
+ overlayManager.register(dialog);
+ }
+ async open(uiManager, editor, posX, posY, options) {
+ if (editor) {
+ this.#uiManager = uiManager;
+ this.#editor = editor;
+ }
+ const {
+ contentsObj: {
+ str
+ },
+ color,
+ opacity
+ } = editor.getData();
+ const {
+ style: dialogStyle
+ } = this.#dialog;
+ if (color) {
+ dialogStyle.backgroundColor = CommentManager._makeCommentColor(color, opacity);
+ dialogStyle.borderColor = Util.makeHexColor(...color);
+ } else {
+ dialogStyle.backgroundColor = dialogStyle.borderColor = "";
+ }
+ this.#commentText = str || "";
+ const textInput = this.#textInput;
+ textInput.value = this.#previousText = this.#commentText;
+ if (str) {
+ this.#title.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-title-when-editing");
+ this.#saveButton.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-save-button-when-editing");
+ } else {
+ this.#title.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-title-when-adding");
+ this.#saveButton.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-dialog-save-button-when-adding");
+ }
+ if (options?.height) {
+ textInput.style.height = `${options.height}px`;
+ }
+ this.#uiManager?.removeEditListeners();
+ this.#saveButton.disabled = true;
+ const parentDimensions = options?.parentDimensions;
+ const {
+ innerHeight,
+ innerWidth
+ } = window;
+ if (editor.hasDefaultPopupPosition()) {
+ const {
+ dialogWidth,
+ dialogHeight
+ } = this._dialogDimensions;
+ if (parentDimensions) {
+ if (this.#isLTR && posX + dialogWidth > Math.min(parentDimensions.x + parentDimensions.width, innerWidth)) {
+ const buttonWidth = this.#editor.commentButtonWidth;
+ posX -= dialogWidth - buttonWidth * parentDimensions.width;
+ } else if (!this.#isLTR) {
+ const buttonWidth = this.#editor.commentButtonWidth * parentDimensions.width;
+ if (posX - dialogWidth < Math.max(0, parentDimensions.x)) {
+ posX = Math.max(0, posX);
+ } else {
+ posX -= dialogWidth - buttonWidth;
+ }
+ }
+ }
+ const height = Math.max(dialogHeight, options?.height || 0);
+ if (posY + height > innerHeight) {
+ posY = innerHeight - height;
+ }
+ if (posY < 0) {
+ posY = 0;
+ }
+ }
+ posX = MathClamp(posX / innerWidth, 0, 1);
+ posY = MathClamp(posY / innerHeight, 0, 1);
+ this.#setPosition(posX, posY);
+ await this.#overlayManager.open(this.#dialog);
+ textInput.focus();
+ }
+ async #save() {
+ this.#editor.comment = this.#textInput.value;
+ this.#finish();
+ }
+ get _dialogDimensions() {
+ const dialog = this.#dialog;
+ const {
+ style
+ } = dialog;
+ style.opacity = "0";
+ style.display = "block";
+ const {
+ width,
+ height
+ } = dialog.getBoundingClientRect();
+ style.opacity = style.display = "";
+ return shadow(this, "_dialogDimensions", {
+ dialogWidth: width,
+ dialogHeight: height
+ });
+ }
+ #setPosition(x, y) {
+ this.#dialogX = x;
+ this.#dialogY = y;
+ const {
+ style
+ } = this.#dialog;
+ style.left = `${100 * x}%`;
+ style.top = `${100 * y}%`;
+ }
+ #finish() {
+ if (!this.#editor) {
+ return;
+ }
+ const edited = this.#textInput.value !== this.#commentText;
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "comment",
+ data: {
+ edited
+ }
+ }
+ });
+ this.#editor?.focusCommentButton();
+ this.#editor = null;
+ this.#textInput.value = this.#previousText = this.#commentText = "";
+ this.#overlayManager.closeIfActive(this.#dialog);
+ this.#textInput.style.height = "";
+ this.#uiManager?.addEditListeners();
+ this.#uiManager = null;
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#editor = null;
+ this.#finish();
+ }
+}
+class CommentPopup {
+ #buttonsContainer = null;
+ #eventBus;
+ #commentDialog;
+ #dateFormat;
+ #editor = null;
+ #isLTR;
+ #container = null;
+ #text = null;
+ #time = null;
+ #prevDragX = 0;
+ #prevDragY = 0;
+ #posX = 0;
+ #posY = 0;
+ #previousFocusedElement = null;
+ #selected = false;
+ #visible = false;
+ constructor(eventBus, dateFormat, ltr, commentDialog) {
+ this.#eventBus = eventBus;
+ this.#dateFormat = dateFormat;
+ this.#isLTR = ltr;
+ this.#commentDialog = commentDialog;
+ this.sidebar = null;
+ }
+ get _popupWidth() {
+ const container = this.#createPopup();
+ const {
+ style
+ } = container;
+ style.opacity = "0";
+ style.display = "block";
+ document.body.append(container);
+ const width = container.getBoundingClientRect().width;
+ container.remove();
+ style.opacity = style.display = "";
+ return shadow(this, "_popupWidth", width);
+ }
+ #createPopup() {
+ if (this.#container) {
+ return this.#container;
+ }
+ const container = this.#container = document.createElement("div");
+ container.className = "commentPopup";
+ container.id = "commentPopup";
+ container.tabIndex = -1;
+ container.role = "dialog";
+ container.ariaModal = "false";
+ container.addEventListener("contextmenu", noContextMenu);
+ container.addEventListener("keydown", e => {
+ if (e.key === "Escape") {
+ this.toggle(this.#editor, true, false);
+ this.#previousFocusedElement?.focus();
+ stopEvent(e);
+ }
+ });
+ container.addEventListener("click", () => {
+ container.focus();
+ });
+ const top = document.createElement("div");
+ top.className = "commentPopupTop";
+ const time = this.#time = document.createElement("time");
+ time.className = "commentPopupTime";
+ const buttons = this.#buttonsContainer = document.createElement("div");
+ buttons.className = "commentPopupButtons";
+ const edit = document.createElement("button");
+ edit.classList.add("commentPopupEdit", "toolbarButton");
+ edit.tabIndex = 0;
+ edit.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-popup-button");
+ edit.ariaHasPopup = "dialog";
+ edit.ariaControlsElements = [this.#commentDialog];
+ const editLabel = document.createElement("span");
+ editLabel.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-popup-button-label");
+ edit.append(editLabel);
+ edit.addEventListener("click", () => {
+ const editor = this.#editor;
+ const height = parseFloat(getComputedStyle(this.#text).height);
+ this.toggle(editor, true, false);
+ editor.editComment({
+ height
+ });
+ });
+ edit.addEventListener("contextmenu", noContextMenu);
+ const del = document.createElement("button");
+ del.classList.add("commentPopupDelete", "toolbarButton");
+ del.tabIndex = 0;
+ del.setAttribute("data-l10n-id", "pdfjs-editor-delete-comment-popup-button");
+ const delLabel = document.createElement("span");
+ delLabel.setAttribute("data-l10n-id", "pdfjs-editor-delete-comment-popup-button-label");
+ del.append(delLabel);
+ del.addEventListener("click", () => {
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "comment",
+ data: {
+ deleted: true
+ }
+ }
+ });
+ this.#editor.comment = null;
+ this.destroy();
+ });
+ del.addEventListener("contextmenu", noContextMenu);
+ buttons.append(edit, del);
+ top.append(time, buttons);
+ const separator = document.createElement("hr");
+ const text = this.#text = document.createElement("div");
+ text.className = "commentPopupText";
+ container.append(top, separator, text);
+ let pointerMoveAC;
+ const cancelDrag = () => {
+ container.classList.remove("dragging");
+ pointerMoveAC?.abort();
+ pointerMoveAC = null;
+ };
+ top.addEventListener("pointerdown", e => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ return;
+ }
+ const {
+ target,
+ clientX,
+ clientY
+ } = e;
+ if (buttons.contains(target)) {
+ return;
+ }
+ stopEvent(e);
+ const {
+ width: parentWidth,
+ height: parentHeight
+ } = this.#editor.parentBoundingClientRect;
+ this.#prevDragX = clientX;
+ this.#prevDragY = clientY;
+ pointerMoveAC = new AbortController();
+ const {
+ signal
+ } = pointerMoveAC;
+ container.classList.add("dragging");
+ window.addEventListener("pointermove", ev => {
+ if (!pointerMoveAC) {
+ return;
+ }
+ const {
+ clientX: x,
+ clientY: y
+ } = ev;
+ this.#setPosition(this.#posX + (x - this.#prevDragX) / parentWidth, this.#posY + (y - this.#prevDragY) / parentHeight, false);
+ this.#prevDragX = x;
+ this.#prevDragY = y;
+ stopEvent(ev);
+ }, {
+ signal
+ });
+ window.addEventListener("blur", cancelDrag, {
+ signal
+ });
+ window.addEventListener("pointerup", ev => {
+ if (pointerMoveAC) {
+ cancelDrag();
+ stopEvent(ev);
+ }
+ }, {
+ signal
+ });
+ });
+ return container;
+ }
+ updateColor(editor) {
+ if (this.#editor !== editor || !this.#visible) {
+ return;
+ }
+ const {
+ color,
+ opacity
+ } = editor.getData();
+ this.#container.style.backgroundColor = color && CommentManager._makeCommentColor(color, opacity) || "";
+ }
+ _hide(editor) {
+ const container = this.#createPopup();
+ container.classList.toggle("hidden", true);
+ container.classList.toggle("selected", false);
+ (editor || this.#editor)?.setCommentButtonStates({
+ selected: false,
+ hasPopup: false
+ });
+ this.#editor = null;
+ this.#selected = false;
+ this.#visible = false;
+ this.#text.replaceChildren();
+ this.sidebar.selectComment(null);
+ }
+ toggle(editor, isSelected, visibility = undefined, isEditable = true) {
+ if (!editor) {
+ this.destroy();
+ return;
+ }
+ if (isSelected) {
+ visibility ??= this.#editor === editor ? !this.#selected || !this.#visible : true;
+ } else {
+ if (this.#selected) {
+ return;
+ }
+ visibility ??= !this.#visible;
+ }
+ if (!visibility) {
+ this._hide(editor);
+ return;
+ }
+ this.#visible = true;
+ if (this.#editor !== editor) {
+ this.#editor?.setCommentButtonStates({
+ selected: false,
+ hasPopup: false
+ });
+ }
+ const container = this.#createPopup();
+ this.#buttonsContainer.classList.toggle("hidden", !isEditable);
+ container.classList.toggle("hidden", false);
+ container.classList.toggle("selected", isSelected);
+ this.#selected = isSelected;
+ this.#editor = editor;
+ editor.setCommentButtonStates({
+ selected: isSelected,
+ hasPopup: true
+ });
+ const {
+ contentsObj,
+ richText,
+ creationDate,
+ modificationDate,
+ color,
+ opacity
+ } = editor.getData();
+ container.style.backgroundColor = color && CommentManager._makeCommentColor(color, opacity) || "";
+ this.#text.replaceChildren();
+ const html = richText?.str && (!contentsObj?.str || richText.str === contentsObj.str) ? richText.html : contentsObj?.str;
+ if (html) {
+ renderRichText({
+ html,
+ dir: contentsObj?.dir || "auto",
+ className: "richText"
+ }, this.#text);
+ }
+ this.#time.textContent = this.#dateFormat.format(PDFDateString.toDateObject(modificationDate || creationDate));
+ this.#setPosition(...editor.commentPopupPosition, editor.hasDefaultPopupPosition());
+ editor.elementBeforePopup.after(container);
+ container.addEventListener("focus", ({
+ relatedTarget
+ }) => {
+ this.#previousFocusedElement = relatedTarget;
+ }, {
+ once: true
+ });
+ if (isSelected) {
+ setTimeout(() => container.focus(), 0);
+ }
+ }
+ #setPosition(x, y, correctPosition) {
+ if (!correctPosition) {
+ this.#editor.commentPopupPosition = [x, y];
+ } else {
+ const widthRatio = this._popupWidth / this.#editor.parentBoundingClientRect.width;
+ if (this.#isLTR && x + widthRatio > 1 || !this.#isLTR && x - widthRatio >= 0) {
+ const buttonWidth = this.#editor.commentButtonWidth;
+ x -= widthRatio - buttonWidth;
+ }
+ }
+ this.#posX = x;
+ this.#posY = y;
+ const {
+ style
+ } = this.#container;
+ style.left = `${100 * x}%`;
+ style.top = `${100 * y}%`;
+ }
+ destroy() {
+ this._hide();
+ this.#container?.remove();
+ this.#container = this.#text = this.#time = null;
+ this.#prevDragX = this.#prevDragY = Infinity;
+ this.#posX = this.#posY = 0;
+ this.#previousFocusedElement = null;
+ }
+}
+
+;// ./web/download_manager.js
+
+function download(blobUrl, filename) {
+ const a = document.createElement("a");
+ if (!a.click) {
+ throw new Error('DownloadManager: "a.click()" is not supported.');
+ }
+ a.href = blobUrl;
+ a.target = "_parent";
+ if ("download" in a) {
+ a.download = filename;
+ }
+ (document.body || document.documentElement).append(a);
+ a.click();
+ a.remove();
+}
+class DownloadManager {
+ #openBlobUrls = new WeakMap();
+ downloadData(data, filename, contentType) {
+ const blobUrl = URL.createObjectURL(new Blob([data], {
+ type: contentType
+ }));
+ download(blobUrl, filename);
+ }
+ openOrDownloadData(data, filename, dest = null) {
+ const isPdfData = isPdfFile(filename);
+ const contentType = isPdfData ? "application/pdf" : "";
+ if (isPdfData) {
+ let blobUrl = this.#openBlobUrls.get(data);
+ if (!blobUrl) {
+ blobUrl = URL.createObjectURL(new Blob([data], {
+ type: contentType
+ }));
+ this.#openBlobUrls.set(data, blobUrl);
+ }
+ let viewerUrl;
+ viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename);
+ if (dest) {
+ viewerUrl += `#${escape(dest)}`;
+ }
+ try {
+ window.open(viewerUrl);
+ return true;
+ } catch (ex) {
+ console.error("openOrDownloadData:", ex);
+ URL.revokeObjectURL(blobUrl);
+ this.#openBlobUrls.delete(data);
+ }
+ }
+ this.downloadData(data, filename, contentType);
+ return false;
+ }
+ download(data, url, filename) {
+ let blobUrl;
+ if (data) {
+ blobUrl = URL.createObjectURL(new Blob([data], {
+ type: "application/pdf"
+ }));
+ } else {
+ if (!createValidAbsoluteUrl(url, "http://example.com")) {
+ console.error(`download - not a valid URL: ${url}`);
+ return;
+ }
+ blobUrl = url + "#pdfjs.action=download";
+ }
+ download(blobUrl, filename);
+ }
+}
+
+;// ./web/editor_undo_bar.js
+
+class EditorUndoBar {
+ #closeButton = null;
+ #container;
+ #eventBus = null;
+ #focusTimeout = null;
+ #initController = null;
+ isOpen = false;
+ #message;
+ #showController = null;
+ #undoButton;
+ static #l10nMessages = Object.freeze({
+ highlight: "pdfjs-editor-undo-bar-message-highlight",
+ freetext: "pdfjs-editor-undo-bar-message-freetext",
+ stamp: "pdfjs-editor-undo-bar-message-stamp",
+ ink: "pdfjs-editor-undo-bar-message-ink",
+ signature: "pdfjs-editor-undo-bar-message-signature",
+ _multiple: "pdfjs-editor-undo-bar-message-multiple"
+ });
+ constructor({
+ container,
+ message,
+ undoButton,
+ closeButton
+ }, eventBus) {
+ this.#container = container;
+ this.#message = message;
+ this.#undoButton = undoButton;
+ this.#closeButton = closeButton;
+ this.#eventBus = eventBus;
+ }
+ destroy() {
+ this.#initController?.abort();
+ this.#initController = null;
+ this.hide();
+ }
+ show(undoAction, messageData) {
+ if (!this.#initController) {
+ this.#initController = new AbortController();
+ const opts = {
+ signal: this.#initController.signal
+ };
+ const boundHide = this.hide.bind(this);
+ this.#container.addEventListener("contextmenu", noContextMenu, opts);
+ this.#closeButton.addEventListener("click", boundHide, opts);
+ this.#eventBus._on("beforeprint", boundHide, opts);
+ this.#eventBus._on("download", boundHide, opts);
+ }
+ this.hide();
+ if (typeof messageData === "string") {
+ this.#message.setAttribute("data-l10n-id", EditorUndoBar.#l10nMessages[messageData]);
+ } else {
+ this.#message.setAttribute("data-l10n-id", EditorUndoBar.#l10nMessages._multiple);
+ this.#message.setAttribute("data-l10n-args", JSON.stringify({
+ count: messageData
+ }));
+ }
+ this.isOpen = true;
+ this.#container.hidden = false;
+ this.#showController = new AbortController();
+ this.#undoButton.addEventListener("click", () => {
+ undoAction();
+ this.hide();
+ }, {
+ signal: this.#showController.signal
+ });
+ this.#focusTimeout = setTimeout(() => {
+ this.#container.focus();
+ this.#focusTimeout = null;
+ }, 100);
+ }
+ hide() {
+ if (!this.isOpen) {
+ return;
+ }
+ this.isOpen = false;
+ this.#container.hidden = true;
+ this.#showController?.abort();
+ this.#showController = null;
+ if (this.#focusTimeout) {
+ clearTimeout(this.#focusTimeout);
+ this.#focusTimeout = null;
+ }
+ }
+}
+
+;// ./web/overlay_manager.js
+class OverlayManager {
+ #overlays = new WeakMap();
+ #active = null;
+ get active() {
+ return this.#active;
+ }
+ async register(dialog, canForceClose = false) {
+ if (typeof dialog !== "object") {
+ throw new Error("Not enough parameters.");
+ } else if (this.#overlays.has(dialog)) {
+ throw new Error("The overlay is already registered.");
+ }
+ this.#overlays.set(dialog, {
+ canForceClose
+ });
+ dialog.addEventListener("cancel", ({
+ target
+ }) => {
+ if (this.#active === target) {
+ this.#active = null;
+ }
+ });
+ }
+ async open(dialog) {
+ if (!this.#overlays.has(dialog)) {
+ throw new Error("The overlay does not exist.");
+ } else if (this.#active) {
+ if (this.#active === dialog) {
+ throw new Error("The overlay is already active.");
+ } else if (this.#overlays.get(dialog).canForceClose) {
+ await this.close();
+ } else {
+ throw new Error("Another overlay is currently active.");
+ }
+ }
+ this.#active = dialog;
+ dialog.showModal();
+ }
+ async close(dialog = this.#active) {
+ if (!this.#overlays.has(dialog)) {
+ throw new Error("The overlay does not exist.");
+ } else if (!this.#active) {
+ throw new Error("The overlay is currently not active.");
+ } else if (this.#active !== dialog) {
+ throw new Error("Another overlay is currently active.");
+ }
+ dialog.close();
+ this.#active = null;
+ }
+ async closeIfActive(dialog) {
+ if (this.#active === dialog) {
+ await this.close(dialog);
+ }
+ }
+}
+
+;// ./web/password_prompt.js
+
+class PasswordPrompt {
+ #activeCapability = null;
+ #updateCallback = null;
+ #reason = null;
+ constructor(options, overlayManager, isViewerEmbedded = false) {
+ this.dialog = options.dialog;
+ this.label = options.label;
+ this.input = options.input;
+ this.submitButton = options.submitButton;
+ this.cancelButton = options.cancelButton;
+ this.overlayManager = overlayManager;
+ this._isViewerEmbedded = isViewerEmbedded;
+ this.submitButton.addEventListener("click", this.#verify.bind(this));
+ this.cancelButton.addEventListener("click", this.close.bind(this));
+ this.input.addEventListener("keydown", e => {
+ if (e.keyCode === 13) {
+ this.#verify();
+ }
+ });
+ this.overlayManager.register(this.dialog, true);
+ this.dialog.addEventListener("close", this.#cancel.bind(this));
+ }
+ async open() {
+ await this.#activeCapability?.promise;
+ this.#activeCapability = Promise.withResolvers();
+ try {
+ await this.overlayManager.open(this.dialog);
+ } catch (ex) {
+ this.#activeCapability.resolve();
+ throw ex;
+ }
+ const passwordIncorrect = this.#reason === PasswordResponses.INCORRECT_PASSWORD;
+ if (!this._isViewerEmbedded || passwordIncorrect) {
+ this.input.focus();
+ }
+ this.label.setAttribute("data-l10n-id", passwordIncorrect ? "pdfjs-password-invalid" : "pdfjs-password-label");
+ }
+ async close() {
+ this.overlayManager.closeIfActive(this.dialog);
+ }
+ #verify() {
+ const password = this.input.value;
+ if (password?.length > 0) {
+ this.#invokeCallback(password);
+ }
+ }
+ #cancel() {
+ this.#invokeCallback(new Error("PasswordPrompt cancelled."));
+ this.#activeCapability.resolve();
+ }
+ #invokeCallback(password) {
+ if (!this.#updateCallback) {
+ return;
+ }
+ this.close();
+ this.input.value = "";
+ this.#updateCallback(password);
+ this.#updateCallback = null;
+ }
+ async setUpdateCallback(updateCallback, reason) {
+ if (this.#activeCapability) {
+ await this.#activeCapability.promise;
+ }
+ this.#updateCallback = updateCallback;
+ this.#reason = reason;
+ }
+}
+
+;// ./web/base_tree_viewer.js
+
+const TREEITEM_OFFSET_TOP = -100;
+const TREEITEM_SELECTED_CLASS = "selected";
+class BaseTreeViewer {
+ constructor(options) {
+ this.container = options.container;
+ this.eventBus = options.eventBus;
+ this._l10n = options.l10n;
+ this.reset();
+ }
+ reset() {
+ this._pdfDocument = null;
+ this._lastToggleIsShow = true;
+ this._currentTreeItem = null;
+ this.container.textContent = "";
+ this.container.classList.remove("treeWithDeepNesting");
+ }
+ _dispatchEvent(count) {
+ throw new Error("Not implemented: _dispatchEvent");
+ }
+ _bindLink(element, params) {
+ throw new Error("Not implemented: _bindLink");
+ }
+ _normalizeTextContent(str) {
+ return removeNullCharacters(str, true) || "\u2013";
+ }
+ _addToggleButton(div, hidden = false) {
+ const toggler = document.createElement("div");
+ toggler.className = "treeItemToggler";
+ if (hidden) {
+ toggler.classList.add("treeItemsHidden");
+ }
+ toggler.onclick = evt => {
+ evt.stopPropagation();
+ toggler.classList.toggle("treeItemsHidden");
+ if (evt.shiftKey) {
+ const shouldShowAll = !toggler.classList.contains("treeItemsHidden");
+ this._toggleTreeItem(div, shouldShowAll);
+ }
+ };
+ div.prepend(toggler);
+ }
+ _toggleTreeItem(root, show = false) {
+ this._l10n.pause();
+ this._lastToggleIsShow = show;
+ for (const toggler of root.querySelectorAll(".treeItemToggler")) {
+ toggler.classList.toggle("treeItemsHidden", !show);
+ }
+ this._l10n.resume();
+ }
+ _toggleAllTreeItems() {
+ this._toggleTreeItem(this.container, !this._lastToggleIsShow);
+ }
+ _finishRendering(fragment, count, hasAnyNesting = false) {
+ if (hasAnyNesting) {
+ this.container.classList.add("treeWithDeepNesting");
+ this._lastToggleIsShow = !fragment.querySelector(".treeItemsHidden");
+ }
+ this._l10n.pause();
+ this.container.append(fragment);
+ this._l10n.resume();
+ this._dispatchEvent(count);
+ }
+ render(params) {
+ throw new Error("Not implemented: render");
+ }
+ _updateCurrentTreeItem(treeItem = null) {
+ if (this._currentTreeItem) {
+ this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS);
+ this._currentTreeItem = null;
+ }
+ if (treeItem) {
+ treeItem.classList.add(TREEITEM_SELECTED_CLASS);
+ this._currentTreeItem = treeItem;
+ }
+ }
+ _scrollToCurrentTreeItem(treeItem) {
+ if (!treeItem) {
+ return;
+ }
+ this._l10n.pause();
+ let currentNode = treeItem.parentNode;
+ while (currentNode && currentNode !== this.container) {
+ if (currentNode.classList.contains("treeItem")) {
+ const toggler = currentNode.firstElementChild;
+ toggler?.classList.remove("treeItemsHidden");
+ }
+ currentNode = currentNode.parentNode;
+ }
+ this._l10n.resume();
+ this._updateCurrentTreeItem(treeItem);
+ this.container.scrollTo(treeItem.offsetLeft, treeItem.offsetTop + TREEITEM_OFFSET_TOP);
+ }
+}
+
+;// ./web/pdf_attachment_viewer.js
+
+
+class PDFAttachmentViewer extends BaseTreeViewer {
+ constructor(options) {
+ super(options);
+ this.downloadManager = options.downloadManager;
+ this.eventBus._on("fileattachmentannotation", this.#appendAttachment.bind(this));
+ }
+ reset(keepRenderedCapability = false) {
+ super.reset();
+ this._attachments = null;
+ if (!keepRenderedCapability) {
+ this._renderedCapability = Promise.withResolvers();
+ }
+ this._pendingDispatchEvent = false;
+ }
+ async _dispatchEvent(attachmentsCount) {
+ this._renderedCapability.resolve();
+ if (attachmentsCount === 0 && !this._pendingDispatchEvent) {
+ this._pendingDispatchEvent = true;
+ await waitOnEventOrTimeout({
+ target: this.eventBus,
+ name: "annotationlayerrendered",
+ delay: 1000
+ });
+ if (!this._pendingDispatchEvent) {
+ return;
+ }
+ }
+ this._pendingDispatchEvent = false;
+ this.eventBus.dispatch("attachmentsloaded", {
+ source: this,
+ attachmentsCount
+ });
+ }
+ _bindLink(element, {
+ content,
+ description,
+ filename
+ }) {
+ if (description) {
+ element.title = description;
+ }
+ element.onclick = () => {
+ this.downloadManager.openOrDownloadData(content, filename);
+ return false;
+ };
+ }
+ render({
+ attachments,
+ keepRenderedCapability = false
+ }) {
+ if (this._attachments) {
+ this.reset(keepRenderedCapability);
+ }
+ this._attachments = attachments || null;
+ if (!attachments) {
+ this._dispatchEvent(0);
+ return;
+ }
+ const fragment = document.createDocumentFragment();
+ let attachmentsCount = 0;
+ for (const name in attachments) {
+ const item = attachments[name];
+ const div = document.createElement("div");
+ div.className = "treeItem";
+ const element = document.createElement("a");
+ this._bindLink(element, item);
+ element.textContent = this._normalizeTextContent(item.filename);
+ div.append(element);
+ fragment.append(div);
+ attachmentsCount++;
+ }
+ this._finishRendering(fragment, attachmentsCount);
+ }
+ #appendAttachment(item) {
+ const renderedPromise = this._renderedCapability.promise;
+ renderedPromise.then(() => {
+ if (renderedPromise !== this._renderedCapability.promise) {
+ return;
+ }
+ const attachments = this._attachments || Object.create(null);
+ for (const name in attachments) {
+ if (item.filename === name) {
+ return;
+ }
+ }
+ attachments[item.filename] = item;
+ this.render({
+ attachments,
+ keepRenderedCapability: true
+ });
+ });
+ }
+}
+
+;// ./web/grab_to_pan.js
+
+const CSS_CLASS_GRAB = "grab-to-pan-grab";
+class GrabToPan {
+ #activateAC = null;
+ #mouseDownAC = null;
+ #scrollAC = null;
+ constructor({
+ element
+ }) {
+ this.element = element;
+ this.document = element.ownerDocument;
+ const overlay = this.overlay = document.createElement("div");
+ overlay.className = "grab-to-pan-grabbing";
+ }
+ activate() {
+ if (!this.#activateAC) {
+ this.#activateAC = new AbortController();
+ this.element.addEventListener("mousedown", this.#onMouseDown.bind(this), {
+ capture: true,
+ signal: this.#activateAC.signal
+ });
+ this.element.classList.add(CSS_CLASS_GRAB);
+ }
+ }
+ deactivate() {
+ if (this.#activateAC) {
+ this.#activateAC.abort();
+ this.#activateAC = null;
+ this.#endPan();
+ this.element.classList.remove(CSS_CLASS_GRAB);
+ }
+ }
+ toggle() {
+ if (this.#activateAC) {
+ this.deactivate();
+ } else {
+ this.activate();
+ }
+ }
+ ignoreTarget(node) {
+ return node.matches("a[href], a[href] *, input, textarea, button, button *, select, option");
+ }
+ #onMouseDown(event) {
+ if (event.button !== 0 || this.ignoreTarget(event.target)) {
+ return;
+ }
+ if (event.originalTarget) {
+ try {
+ event.originalTarget.tagName;
+ } catch {
+ return;
+ }
+ }
+ this.scrollLeftStart = this.element.scrollLeft;
+ this.scrollTopStart = this.element.scrollTop;
+ this.clientXStart = event.clientX;
+ this.clientYStart = event.clientY;
+ this.#mouseDownAC = new AbortController();
+ const boundEndPan = this.#endPan.bind(this),
+ mouseOpts = {
+ capture: true,
+ signal: this.#mouseDownAC.signal
+ };
+ this.document.addEventListener("mousemove", this.#onMouseMove.bind(this), mouseOpts);
+ this.document.addEventListener("mouseup", boundEndPan, mouseOpts);
+ this.#scrollAC = new AbortController();
+ this.element.addEventListener("scroll", boundEndPan, {
+ capture: true,
+ signal: this.#scrollAC.signal
+ });
+ stopEvent(event);
+ const focusedElement = document.activeElement;
+ if (focusedElement && !focusedElement.contains(event.target)) {
+ focusedElement.blur();
+ }
+ }
+ #onMouseMove(event) {
+ this.#scrollAC?.abort();
+ this.#scrollAC = null;
+ if (!(event.buttons & 1)) {
+ this.#endPan();
+ return;
+ }
+ const xDiff = event.clientX - this.clientXStart;
+ const yDiff = event.clientY - this.clientYStart;
+ this.element.scrollTo({
+ top: this.scrollTopStart - yDiff,
+ left: this.scrollLeftStart - xDiff,
+ behavior: "instant"
+ });
+ if (!this.overlay.parentNode) {
+ document.body.append(this.overlay);
+ }
+ }
+ #endPan() {
+ this.#mouseDownAC?.abort();
+ this.#mouseDownAC = null;
+ this.#scrollAC?.abort();
+ this.#scrollAC = null;
+ this.overlay.remove();
+ }
+}
+
+;// ./web/pdf_cursor_tools.js
+
+
+
+class PDFCursorTools {
+ #active = CursorTool.SELECT;
+ #prevActive = null;
+ constructor({
+ container,
+ eventBus,
+ cursorToolOnLoad = CursorTool.SELECT
+ }) {
+ this.container = container;
+ this.eventBus = eventBus;
+ this.#addEventListeners();
+ Promise.resolve().then(() => {
+ this.switchTool(cursorToolOnLoad);
+ });
+ }
+ get activeTool() {
+ return this.#active;
+ }
+ switchTool(tool) {
+ if (this.#prevActive !== null) {
+ return;
+ }
+ this.#switchTool(tool);
+ }
+ #switchTool(tool, disabled = false) {
+ if (tool === this.#active) {
+ if (this.#prevActive !== null) {
+ this.eventBus.dispatch("cursortoolchanged", {
+ source: this,
+ tool,
+ disabled
+ });
+ }
+ return;
+ }
+ const disableActiveTool = () => {
+ switch (this.#active) {
+ case CursorTool.SELECT:
+ break;
+ case CursorTool.HAND:
+ this._handTool.deactivate();
+ break;
+ case CursorTool.ZOOM:
+ }
+ };
+ switch (tool) {
+ case CursorTool.SELECT:
+ disableActiveTool();
+ break;
+ case CursorTool.HAND:
+ disableActiveTool();
+ this._handTool.activate();
+ break;
+ case CursorTool.ZOOM:
+ default:
+ console.error(`switchTool: "${tool}" is an unsupported value.`);
+ return;
+ }
+ this.#active = tool;
+ this.eventBus.dispatch("cursortoolchanged", {
+ source: this,
+ tool,
+ disabled
+ });
+ }
+ #addEventListeners() {
+ this.eventBus._on("switchcursortool", evt => {
+ if (!evt.reset) {
+ this.switchTool(evt.tool);
+ } else if (this.#prevActive !== null) {
+ annotationEditorMode = AnnotationEditorType.NONE;
+ presentationModeState = PresentationModeState.NORMAL;
+ enableActive();
+ }
+ });
+ let annotationEditorMode = AnnotationEditorType.NONE,
+ presentationModeState = PresentationModeState.NORMAL;
+ const disableActive = () => {
+ this.#prevActive ??= this.#active;
+ this.#switchTool(CursorTool.SELECT, true);
+ };
+ const enableActive = () => {
+ if (this.#prevActive !== null && annotationEditorMode === AnnotationEditorType.NONE && presentationModeState === PresentationModeState.NORMAL) {
+ this.#switchTool(this.#prevActive);
+ this.#prevActive = null;
+ }
+ };
+ this.eventBus._on("annotationeditormodechanged", ({
+ mode
+ }) => {
+ annotationEditorMode = mode;
+ if (mode === AnnotationEditorType.NONE) {
+ enableActive();
+ } else {
+ disableActive();
+ }
+ });
+ this.eventBus._on("presentationmodechanged", ({
+ state
+ }) => {
+ presentationModeState = state;
+ if (state === PresentationModeState.NORMAL) {
+ enableActive();
+ } else if (state === PresentationModeState.FULLSCREEN) {
+ disableActive();
+ }
+ });
+ }
+ get _handTool() {
+ return shadow(this, "_handTool", new GrabToPan({
+ element: this.container
+ }));
+ }
+}
+
+;// ./web/pdf_document_properties.js
+
+
+const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"];
+const US_PAGE_NAMES = {
+ "8.5x11": "pdfjs-document-properties-page-size-name-letter",
+ "8.5x14": "pdfjs-document-properties-page-size-name-legal"
+};
+const METRIC_PAGE_NAMES = {
+ "297x420": "pdfjs-document-properties-page-size-name-a-three",
+ "210x297": "pdfjs-document-properties-page-size-name-a-four"
+};
+function getPageName(size, isPortrait, pageNames) {
+ const width = isPortrait ? size.width : size.height;
+ const height = isPortrait ? size.height : size.width;
+ return pageNames[`${width}x${height}`];
+}
+class PDFDocumentProperties {
+ #fieldData = null;
+ constructor({
+ dialog,
+ fields,
+ closeButton
+ }, overlayManager, eventBus, l10n, fileNameLookup, titleLookup) {
+ this.dialog = dialog;
+ this.fields = fields;
+ this.overlayManager = overlayManager;
+ this.l10n = l10n;
+ this._fileNameLookup = fileNameLookup;
+ this._titleLookup = titleLookup;
+ this.#reset();
+ closeButton.addEventListener("click", this.close.bind(this));
+ this.overlayManager.register(this.dialog);
+ eventBus._on("pagechanging", evt => {
+ this._currentPageNumber = evt.pageNumber;
+ });
+ eventBus._on("rotationchanging", evt => {
+ this._pagesRotation = evt.pagesRotation;
+ });
+ }
+ async open() {
+ await Promise.all([this.overlayManager.open(this.dialog), this._dataAvailableCapability.promise]);
+ const currentPageNumber = this._currentPageNumber;
+ const pagesRotation = this._pagesRotation;
+ if (this.#fieldData && currentPageNumber === this.#fieldData._currentPageNumber && pagesRotation === this.#fieldData._pagesRotation) {
+ this.#updateUI();
+ return;
+ }
+ const [{
+ info,
+ metadata,
+ contentLength
+ }, pdfPage] = await Promise.all([this.pdfDocument.getMetadata(), this.pdfDocument.getPage(currentPageNumber)]);
+ const [fileName, fileSize, title, creationDate, modificationDate, pageSize, isLinearized] = await Promise.all([this._fileNameLookup(), this.#parseFileSize(contentLength), this._titleLookup(), this.#parseDate(metadata?.get("xmp:createdate"), info.CreationDate), this.#parseDate(metadata?.get("xmp:modifydate"), info.ModDate), this.#parsePageSize(getPageSizeInches(pdfPage), pagesRotation), this.#parseLinearization(info.IsLinearized)]);
+ this.#fieldData = Object.freeze({
+ fileName,
+ fileSize,
+ title,
+ author: metadata?.get("dc:creator")?.join("\n") || info.Author,
+ subject: metadata?.get("dc:subject")?.join("\n") || info.Subject,
+ keywords: metadata?.get("pdf:keywords") || info.Keywords,
+ creationDate,
+ modificationDate,
+ creator: metadata?.get("xmp:creatortool") || info.Creator,
+ producer: metadata?.get("pdf:producer") || info.Producer,
+ version: info.PDFFormatVersion,
+ pageCount: this.pdfDocument.numPages,
+ pageSize,
+ linearized: isLinearized,
+ _currentPageNumber: currentPageNumber,
+ _pagesRotation: pagesRotation
+ });
+ this.#updateUI();
+ const {
+ length
+ } = await this.pdfDocument.getDownloadInfo();
+ if (contentLength === length) {
+ return;
+ }
+ const data = Object.assign(Object.create(null), this.#fieldData);
+ data.fileSize = await this.#parseFileSize(length);
+ this.#fieldData = Object.freeze(data);
+ this.#updateUI();
+ }
+ async close() {
+ this.overlayManager.close(this.dialog);
+ }
+ setDocument(pdfDocument) {
+ if (this.pdfDocument) {
+ this.#reset();
+ this.#updateUI();
+ }
+ if (!pdfDocument) {
+ return;
+ }
+ this.pdfDocument = pdfDocument;
+ this._dataAvailableCapability.resolve();
+ }
+ #reset() {
+ this.pdfDocument = null;
+ this.#fieldData = null;
+ this._dataAvailableCapability = Promise.withResolvers();
+ this._currentPageNumber = 1;
+ this._pagesRotation = 0;
+ }
+ #updateUI() {
+ if (this.#fieldData && this.overlayManager.active !== this.dialog) {
+ return;
+ }
+ for (const id in this.fields) {
+ const content = this.#fieldData?.[id];
+ this.fields[id].textContent = content || content === 0 ? content : "-";
+ }
+ }
+ async #parseFileSize(b = 0) {
+ const kb = b / 1024,
+ mb = kb / 1024;
+ return kb ? this.l10n.get(mb >= 1 ? "pdfjs-document-properties-size-mb" : "pdfjs-document-properties-size-kb", {
+ mb,
+ kb,
+ b
+ }) : undefined;
+ }
+ async #parsePageSize(pageSizeInches, pagesRotation) {
+ if (!pageSizeInches) {
+ return undefined;
+ }
+ if (pagesRotation % 180 !== 0) {
+ pageSizeInches = {
+ width: pageSizeInches.height,
+ height: pageSizeInches.width
+ };
+ }
+ const isPortrait = isPortraitOrientation(pageSizeInches),
+ nonMetric = NON_METRIC_LOCALES.includes(this.l10n.getLanguage());
+ let sizeInches = {
+ width: Math.round(pageSizeInches.width * 100) / 100,
+ height: Math.round(pageSizeInches.height * 100) / 100
+ };
+ let sizeMillimeters = {
+ width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
+ height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
+ };
+ let nameId = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
+ if (!nameId && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
+ const exactMillimeters = {
+ width: pageSizeInches.width * 25.4,
+ height: pageSizeInches.height * 25.4
+ };
+ const intMillimeters = {
+ width: Math.round(sizeMillimeters.width),
+ height: Math.round(sizeMillimeters.height)
+ };
+ if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
+ nameId = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);
+ if (nameId) {
+ sizeInches = {
+ width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
+ height: Math.round(intMillimeters.height / 25.4 * 100) / 100
+ };
+ sizeMillimeters = intMillimeters;
+ }
+ }
+ }
+ const [{
+ width,
+ height
+ }, unit, name, orientation] = await Promise.all([nonMetric ? sizeInches : sizeMillimeters, this.l10n.get(nonMetric ? "pdfjs-document-properties-page-size-unit-inches" : "pdfjs-document-properties-page-size-unit-millimeters"), nameId && this.l10n.get(nameId), this.l10n.get(isPortrait ? "pdfjs-document-properties-page-size-orientation-portrait" : "pdfjs-document-properties-page-size-orientation-landscape")]);
+ return this.l10n.get(name ? "pdfjs-document-properties-page-size-dimension-name-string" : "pdfjs-document-properties-page-size-dimension-string", {
+ width,
+ height,
+ unit,
+ name,
+ orientation
+ });
+ }
+ async #parseDate(metadataDate, infoDate) {
+ const dateObj = Date.parse(metadataDate) || PDFDateString.toDateObject(infoDate);
+ return dateObj ? this.l10n.get("pdfjs-document-properties-date-time-string", {
+ dateObj: dateObj.valueOf()
+ }) : undefined;
+ }
+ #parseLinearization(isLinearized) {
+ return this.l10n.get(isLinearized ? "pdfjs-document-properties-linearized-yes" : "pdfjs-document-properties-linearized-no");
+ }
+}
+
+;// ./web/pdf_find_utils.js
+const CharacterType = {
+ SPACE: 0,
+ ALPHA_LETTER: 1,
+ PUNCT: 2,
+ HAN_LETTER: 3,
+ KATAKANA_LETTER: 4,
+ HIRAGANA_LETTER: 5,
+ HALFWIDTH_KATAKANA_LETTER: 6,
+ THAI_LETTER: 7
+};
+function isAlphabeticalScript(charCode) {
+ return charCode < 0x2e80;
+}
+function isAscii(charCode) {
+ return (charCode & 0xff80) === 0;
+}
+function isAsciiAlpha(charCode) {
+ return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
+}
+function isAsciiDigit(charCode) {
+ return charCode >= 0x30 && charCode <= 0x39;
+}
+function isAsciiSpace(charCode) {
+ return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
+}
+function isHan(charCode) {
+ return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
+}
+function isKatakana(charCode) {
+ return charCode >= 0x30a0 && charCode <= 0x30ff;
+}
+function isHiragana(charCode) {
+ return charCode >= 0x3040 && charCode <= 0x309f;
+}
+function isHalfwidthKatakana(charCode) {
+ return charCode >= 0xff60 && charCode <= 0xff9f;
+}
+function isThai(charCode) {
+ return (charCode & 0xff80) === 0x0e00;
+}
+function getCharacterType(charCode) {
+ if (isAlphabeticalScript(charCode)) {
+ if (isAscii(charCode)) {
+ if (isAsciiSpace(charCode)) {
+ return CharacterType.SPACE;
+ } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
+ return CharacterType.ALPHA_LETTER;
+ }
+ return CharacterType.PUNCT;
+ } else if (isThai(charCode)) {
+ return CharacterType.THAI_LETTER;
+ } else if (charCode === 0xa0) {
+ return CharacterType.SPACE;
+ }
+ return CharacterType.ALPHA_LETTER;
+ }
+ if (isHan(charCode)) {
+ return CharacterType.HAN_LETTER;
+ } else if (isKatakana(charCode)) {
+ return CharacterType.KATAKANA_LETTER;
+ } else if (isHiragana(charCode)) {
+ return CharacterType.HIRAGANA_LETTER;
+ } else if (isHalfwidthKatakana(charCode)) {
+ return CharacterType.HALFWIDTH_KATAKANA_LETTER;
+ }
+ return CharacterType.ALPHA_LETTER;
+}
+let NormalizeWithNFKC;
+function getNormalizeWithNFKC() {
+ NormalizeWithNFKC ||= ` ¨ª¯²-µ¸-º¼-¾IJ-ijĿ-ŀʼnſDŽ-njDZ-dzʰ-ʸ˘-˝ˠ-ˤʹͺ;΄-΅·ϐ-ϖϰ-ϲϴ-ϵϹևٵ-ٸक़-य़ড়-ঢ়য়ਲ਼ਸ਼ਖ਼-ਜ਼ਫ਼ଡ଼-ଢ଼ำຳໜ-ໝ༌གྷཌྷདྷབྷཛྷཀྵჼᴬ-ᴮᴰ-ᴺᴼ-ᵍᵏ-ᵪᵸᶛ-ᶿẚ-ẛάέήίόύώΆ᾽-῁ΈΉ῍-῏ΐΊ῝-῟ΰΎ῭-`ΌΏ´-῾ - ‑‗․-… ″-‴‶-‷‼‾⁇-⁉⁗ ⁰-ⁱ⁴-₎ₐ-ₜ₨℀-℃℅-ℇ℉-ℓℕ-№ℙ-ℝ℠-™ℤΩℨK-ℭℯ-ℱℳ-ℹ℻-⅀ⅅ-ⅉ⅐-ⅿ↉∬-∭∯-∰〈-〉①-⓪⨌⩴-⩶⫝̸ⱼ-ⱽⵯ⺟⻳⼀-⿕ 〶〸-〺゛-゜ゟヿㄱ-ㆎ㆒-㆟㈀-㈞㈠-㉇㉐-㉾㊀-㏿ꚜ-ꚝꝰꟲ-ꟴꟸ-ꟹꭜ-ꭟꭩ豈-嗀塚晴凞-羽蘒諸逸-都飯-舘並-龎ff-stﬓ-ﬗיִײַ-זּטּ-לּמּנּ-סּףּ-פּצּ-ﮱﯓ-ﴽﵐ-ﶏﶒ-ﷇﷰ-﷼︐-︙︰-﹄﹇-﹒﹔-﹦﹨-﹫ﹰ-ﹲﹴﹶ-ﻼ!-하-ᅦᅧ-ᅬᅭ-ᅲᅳ-ᅵ¢-₩`;
+ return NormalizeWithNFKC;
+}
+
+;// ./web/pdf_find_controller.js
+
+
+const FindState = {
+ FOUND: 0,
+ NOT_FOUND: 1,
+ WRAPPED: 2,
+ PENDING: 3
+};
+const FIND_TIMEOUT = 250;
+const MATCH_SCROLL_OFFSET_TOP = -50;
+const CHARACTERS_TO_NORMALIZE = {
+ "\u2010": "-",
+ "\u2018": "'",
+ "\u2019": "'",
+ "\u201A": "'",
+ "\u201B": "'",
+ "\u201C": '"',
+ "\u201D": '"',
+ "\u201E": '"',
+ "\u201F": '"',
+ "\u00BC": "1/4",
+ "\u00BD": "1/2",
+ "\u00BE": "3/4"
+};
+const DIACRITICS_EXCEPTION = new Set([0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d, 0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039, 0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2, 0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed, 0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74]);
+let DIACRITICS_EXCEPTION_STR;
+const DIACRITICS_REG_EXP = /\p{M}+/gu;
+const SPECIAL_CHARS_REG_EXP = /([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu;
+const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u;
+const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u;
+const SYLLABLES_REG_EXP = /[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g;
+const SYLLABLES_LENGTHS = new Map();
+const FIRST_CHAR_SYLLABLES_REG_EXP = "[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]";
+const NFKC_CHARS_TO_NORMALIZE = new Map();
+let noSyllablesRegExp = null;
+let withSyllablesRegExp = null;
+function normalize(text, options = {}) {
+ const syllablePositions = [];
+ let m;
+ while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) {
+ let {
+ index
+ } = m;
+ for (const char of m[0]) {
+ let len = SYLLABLES_LENGTHS.get(char);
+ if (!len) {
+ len = char.normalize("NFD").length;
+ SYLLABLES_LENGTHS.set(char, len);
+ }
+ syllablePositions.push([len, index++]);
+ }
+ }
+ const hasSyllables = syllablePositions.length > 0;
+ const ignoreDashEOL = options.ignoreDashEOL ?? false;
+ let normalizationRegex;
+ if (!hasSyllables && noSyllablesRegExp) {
+ normalizationRegex = noSyllablesRegExp;
+ } else if (hasSyllables && withSyllablesRegExp) {
+ normalizationRegex = withSyllablesRegExp;
+ } else {
+ const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
+ const toNormalizeWithNFKC = getNormalizeWithNFKC();
+ const CJK = "(?:\\p{Ideographic}|[\u3040-\u30FF])";
+ const HKDiacritics = "(?:\u3099|\u309A)";
+ const BrokenWord = `\\p{Ll}-\\n(?=\\p{Ll})|\\p{Lu}-\\n(?=\\p{L})`;
+ const regexps = [`[${replace}]`, `[${toNormalizeWithNFKC}]`, `${HKDiacritics}\\n`, "\\p{M}+(?:-\\n)?", `${BrokenWord}`, "\\S-\\n", `${CJK}\\n`, "\\n", hasSyllables ? FIRST_CHAR_SYLLABLES_REG_EXP : "\\u0000"];
+ normalizationRegex = new RegExp(regexps.map(r => `(${r})`).join("|"), "gum");
+ if (hasSyllables) {
+ withSyllablesRegExp = normalizationRegex;
+ } else {
+ noSyllablesRegExp = normalizationRegex;
+ }
+ }
+ const rawDiacriticsPositions = [];
+ while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) {
+ rawDiacriticsPositions.push([m[0].length, m.index]);
+ }
+ let normalized = text.normalize("NFD");
+ const positions = [0, 0];
+ let rawDiacriticsIndex = 0;
+ let syllableIndex = 0;
+ let shift = 0;
+ let shiftOrigin = 0;
+ let eol = 0;
+ let hasDiacritics = false;
+ normalized = normalized.replace(normalizationRegex, (match, p1, p2, p3, p4, p5, p6, p7, p8, p9, i) => {
+ i -= shiftOrigin;
+ if (p1) {
+ const replacement = CHARACTERS_TO_NORMALIZE[p1];
+ const jj = replacement.length;
+ for (let j = 1; j < jj; j++) {
+ positions.push(i - shift + j, shift - j);
+ }
+ shift -= jj - 1;
+ return replacement;
+ }
+ if (p2) {
+ let replacement = NFKC_CHARS_TO_NORMALIZE.get(p2);
+ if (!replacement) {
+ replacement = p2.normalize("NFKC");
+ NFKC_CHARS_TO_NORMALIZE.set(p2, replacement);
+ }
+ const jj = replacement.length;
+ for (let j = 1; j < jj; j++) {
+ positions.push(i - shift + j, shift - j);
+ }
+ shift -= jj - 1;
+ return replacement;
+ }
+ if (p3) {
+ hasDiacritics = true;
+ if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
+ ++rawDiacriticsIndex;
+ } else {
+ positions.push(i - 1 - shift + 1, shift - 1);
+ shift -= 1;
+ shiftOrigin += 1;
+ }
+ positions.push(i - shift + 1, shift);
+ shiftOrigin += 1;
+ eol += 1;
+ return p3.charAt(0);
+ }
+ if (p4) {
+ const hasTrailingDashEOL = p4.endsWith("\n");
+ const len = hasTrailingDashEOL ? p4.length - 2 : p4.length;
+ hasDiacritics = true;
+ let jj = len;
+ if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
+ jj -= rawDiacriticsPositions[rawDiacriticsIndex][0];
+ ++rawDiacriticsIndex;
+ }
+ for (let j = 1; j <= jj; j++) {
+ positions.push(i - 1 - shift + j, shift - j);
+ }
+ shift -= jj;
+ shiftOrigin += jj;
+ if (hasTrailingDashEOL) {
+ i += len - 1;
+ positions.push(i - shift + 1, 1 + shift);
+ shift += 1;
+ shiftOrigin += 1;
+ eol += 1;
+ return p4.slice(0, len);
+ }
+ return p4;
+ }
+ if (p5) {
+ if (ignoreDashEOL) {
+ shiftOrigin += 1;
+ eol += 1;
+ return p5.slice(0, -1);
+ }
+ const len = p5.length - 2;
+ positions.push(i - shift + len, 1 + shift);
+ shift += 1;
+ shiftOrigin += 1;
+ eol += 1;
+ return p5.slice(0, -2);
+ }
+ if (p6) {
+ shiftOrigin += 1;
+ eol += 1;
+ return p6.slice(0, -1);
+ }
+ if (p7) {
+ const len = p7.length - 1;
+ positions.push(i - shift + len, shift);
+ shiftOrigin += 1;
+ eol += 1;
+ return p7.slice(0, -1);
+ }
+ if (p8) {
+ positions.push(i - shift + 1, shift - 1);
+ shift -= 1;
+ shiftOrigin += 1;
+ eol += 1;
+ return " ";
+ }
+ if (i + eol === syllablePositions[syllableIndex]?.[1]) {
+ const newCharLen = syllablePositions[syllableIndex][0] - 1;
+ ++syllableIndex;
+ for (let j = 1; j <= newCharLen; j++) {
+ positions.push(i - (shift - j), shift - j);
+ }
+ shift -= newCharLen;
+ shiftOrigin += newCharLen;
+ }
+ return p9;
+ });
+ positions.push(normalized.length, shift);
+ const starts = new Uint32Array(positions.length >> 1);
+ const shifts = new Int32Array(positions.length >> 1);
+ for (let i = 0, ii = positions.length; i < ii; i += 2) {
+ starts[i >> 1] = positions[i];
+ shifts[i >> 1] = positions[i + 1];
+ }
+ return [normalized, [starts, shifts], hasDiacritics];
+}
+function getOriginalIndex(diffs, pos, len) {
+ if (!diffs) {
+ return [pos, len];
+ }
+ const [starts, shifts] = diffs;
+ const start = pos;
+ const end = pos + len - 1;
+ let i = binarySearchFirstItem(starts, x => x >= start);
+ if (starts[i] > start) {
+ --i;
+ }
+ let j = binarySearchFirstItem(starts, x => x >= end, i);
+ if (starts[j] > end) {
+ --j;
+ }
+ const oldStart = start + shifts[i];
+ const oldEnd = end + shifts[j];
+ const oldLen = oldEnd + 1 - oldStart;
+ return [oldStart, oldLen];
+}
+class PDFFindController {
+ #state = null;
+ #updateMatchesCountOnProgress = true;
+ #visitedPagesCount = 0;
+ constructor({
+ linkService,
+ eventBus,
+ updateMatchesCountOnProgress = true
+ }) {
+ this._linkService = linkService;
+ this._eventBus = eventBus;
+ this.#updateMatchesCountOnProgress = updateMatchesCountOnProgress;
+ this.onIsPageVisible = null;
+ this.#reset();
+ eventBus._on("find", this.#onFind.bind(this));
+ eventBus._on("findbarclose", this.#onFindBarClose.bind(this));
+ }
+ get highlightMatches() {
+ return this._highlightMatches;
+ }
+ get pageMatches() {
+ return this._pageMatches;
+ }
+ get pageMatchesLength() {
+ return this._pageMatchesLength;
+ }
+ get selected() {
+ return this._selected;
+ }
+ get state() {
+ return this.#state;
+ }
+ setDocument(pdfDocument) {
+ if (this._pdfDocument) {
+ this.#reset();
+ }
+ if (!pdfDocument) {
+ return;
+ }
+ this._pdfDocument = pdfDocument;
+ this._firstPageCapability.resolve();
+ }
+ #onFind(state) {
+ if (!state) {
+ return;
+ }
+ const pdfDocument = this._pdfDocument;
+ const {
+ type
+ } = state;
+ if (this.#state === null || this.#shouldDirtyMatch(state)) {
+ this._dirtyMatch = true;
+ }
+ this.#state = state;
+ if (type !== "highlightallchange") {
+ this.#updateUIState(FindState.PENDING);
+ }
+ this._firstPageCapability.promise.then(() => {
+ if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
+ return;
+ }
+ this.#extractText();
+ const findbarClosed = !this._highlightMatches;
+ const pendingTimeout = !!this._findTimeout;
+ if (this._findTimeout) {
+ clearTimeout(this._findTimeout);
+ this._findTimeout = null;
+ }
+ if (!type) {
+ this._findTimeout = setTimeout(() => {
+ this.#nextMatch();
+ this._findTimeout = null;
+ }, FIND_TIMEOUT);
+ } else if (this._dirtyMatch) {
+ this.#nextMatch();
+ } else if (type === "again") {
+ this.#nextMatch();
+ if (findbarClosed && this.#state.highlightAll) {
+ this.#updateAllPages();
+ }
+ } else if (type === "highlightallchange") {
+ if (pendingTimeout) {
+ this.#nextMatch();
+ } else {
+ this._highlightMatches = true;
+ }
+ this.#updateAllPages();
+ } else {
+ this.#nextMatch();
+ }
+ });
+ }
+ scrollMatchIntoView({
+ element = null,
+ selectedLeft = 0,
+ pageIndex = -1,
+ matchIndex = -1
+ }) {
+ if (!this._scrollMatches || !element) {
+ return;
+ } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
+ return;
+ } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
+ return;
+ }
+ this._scrollMatches = false;
+ const spot = {
+ top: MATCH_SCROLL_OFFSET_TOP,
+ left: selectedLeft
+ };
+ scrollIntoView(element, spot, true);
+ }
+ #reset() {
+ this._highlightMatches = false;
+ this._scrollMatches = false;
+ this._pdfDocument = null;
+ this._pageMatches = [];
+ this._pageMatchesLength = [];
+ this.#visitedPagesCount = 0;
+ this.#state = null;
+ this._selected = {
+ pageIdx: -1,
+ matchIdx: -1
+ };
+ this._offset = {
+ pageIdx: null,
+ matchIdx: null,
+ wrapped: false
+ };
+ this._extractTextPromises = [];
+ this._pageContents = [];
+ this._pageDiffs = [];
+ this._hasDiacritics = [];
+ this._matchesCountTotal = 0;
+ this._pagesToSearch = null;
+ this._pendingFindMatches = new Set();
+ this._resumePageIdx = null;
+ this._dirtyMatch = false;
+ clearTimeout(this._findTimeout);
+ this._findTimeout = null;
+ this._firstPageCapability = Promise.withResolvers();
+ }
+ get #query() {
+ const {
+ query
+ } = this.#state;
+ if (typeof query === "string") {
+ if (query !== this._rawQuery) {
+ this._rawQuery = query;
+ [this._normalizedQuery] = normalize(query);
+ }
+ return this._normalizedQuery;
+ }
+ return (query || []).filter(q => !!q).map(q => normalize(q)[0]);
+ }
+ #shouldDirtyMatch(state) {
+ const newQuery = state.query,
+ prevQuery = this.#state.query;
+ const newType = typeof newQuery,
+ prevType = typeof prevQuery;
+ if (newType !== prevType) {
+ return true;
+ }
+ if (newType === "string") {
+ if (newQuery !== prevQuery) {
+ return true;
+ }
+ } else if (JSON.stringify(newQuery) !== JSON.stringify(prevQuery)) {
+ return true;
+ }
+ switch (state.type) {
+ case "again":
+ const pageNumber = this._selected.pageIdx + 1;
+ const linkService = this._linkService;
+ return pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !(this.onIsPageVisible?.(pageNumber) ?? true);
+ case "highlightallchange":
+ return false;
+ }
+ return true;
+ }
+ #isEntireWord(content, startIdx, length) {
+ let match = content.slice(0, startIdx).match(NOT_DIACRITIC_FROM_END_REG_EXP);
+ if (match) {
+ const first = content.charCodeAt(startIdx);
+ const limit = match[1].charCodeAt(0);
+ if (getCharacterType(first) === getCharacterType(limit)) {
+ return false;
+ }
+ }
+ match = content.slice(startIdx + length).match(NOT_DIACRITIC_FROM_START_REG_EXP);
+ if (match) {
+ const last = content.charCodeAt(startIdx + length - 1);
+ const limit = match[1].charCodeAt(0);
+ if (getCharacterType(last) === getCharacterType(limit)) {
+ return false;
+ }
+ }
+ return true;
+ }
+ #convertToRegExpString(query, hasDiacritics) {
+ const {
+ matchDiacritics
+ } = this.#state;
+ let isUnicode = false;
+ query = query.replaceAll(SPECIAL_CHARS_REG_EXP, (match, p1, p2, p3, p4, p5) => {
+ if (p1) {
+ return `[ ]*\\${p1}[ ]*`;
+ }
+ if (p2) {
+ return `[ ]*${p2}[ ]*`;
+ }
+ if (p3) {
+ return "[ ]+";
+ }
+ if (matchDiacritics) {
+ return p4 || p5;
+ }
+ if (p4) {
+ return DIACRITICS_EXCEPTION.has(p4.charCodeAt(0)) ? p4 : "";
+ }
+ if (hasDiacritics) {
+ isUnicode = true;
+ return `${p5}\\p{M}*`;
+ }
+ return p5;
+ });
+ const trailingSpaces = "[ ]*";
+ if (query.endsWith(trailingSpaces)) {
+ query = query.slice(0, query.length - trailingSpaces.length);
+ }
+ if (matchDiacritics) {
+ if (hasDiacritics) {
+ DIACRITICS_EXCEPTION_STR ||= String.fromCharCode(...DIACRITICS_EXCEPTION);
+ isUnicode = true;
+ query = `${query}(?=[${DIACRITICS_EXCEPTION_STR}]|[^\\p{M}]|$)`;
+ }
+ }
+ return [isUnicode, query];
+ }
+ #calculateMatch(pageIndex) {
+ if (!this.#state) {
+ return;
+ }
+ const query = this.#query;
+ if (query.length === 0) {
+ return;
+ }
+ const pageContent = this._pageContents[pageIndex];
+ const matcherResult = this.match(query, pageContent, pageIndex);
+ const matches = this._pageMatches[pageIndex] = [];
+ const matchesLength = this._pageMatchesLength[pageIndex] = [];
+ const diffs = this._pageDiffs[pageIndex];
+ matcherResult?.forEach(({
+ index,
+ length
+ }) => {
+ const [matchPos, matchLen] = getOriginalIndex(diffs, index, length);
+ if (matchLen) {
+ matches.push(matchPos);
+ matchesLength.push(matchLen);
+ }
+ });
+ if (this.#state.highlightAll) {
+ this.#updatePage(pageIndex);
+ }
+ if (this._resumePageIdx === pageIndex) {
+ this._resumePageIdx = null;
+ this.#nextPageMatch();
+ }
+ const pageMatchesCount = matches.length;
+ this._matchesCountTotal += pageMatchesCount;
+ if (this.#updateMatchesCountOnProgress) {
+ if (pageMatchesCount > 0) {
+ this.#updateUIResultsCount();
+ }
+ } else if (++this.#visitedPagesCount === this._linkService.pagesCount) {
+ this.#updateUIResultsCount();
+ }
+ }
+ match(query, pageContent, pageIndex) {
+ const hasDiacritics = this._hasDiacritics[pageIndex];
+ let isUnicode = false;
+ if (typeof query === "string") {
+ [isUnicode, query] = this.#convertToRegExpString(query, hasDiacritics);
+ } else {
+ query = query.sort().reverse().map(q => {
+ const [isUnicodePart, queryPart] = this.#convertToRegExpString(q, hasDiacritics);
+ isUnicode ||= isUnicodePart;
+ return `(${queryPart})`;
+ }).join("|");
+ }
+ if (!query) {
+ return undefined;
+ }
+ const {
+ caseSensitive,
+ entireWord
+ } = this.#state;
+ const flags = `g${isUnicode ? "u" : ""}${caseSensitive ? "" : "i"}`;
+ query = new RegExp(query, flags);
+ const matches = [];
+ let match;
+ while ((match = query.exec(pageContent)) !== null) {
+ if (entireWord && !this.#isEntireWord(pageContent, match.index, match[0].length)) {
+ continue;
+ }
+ matches.push({
+ index: match.index,
+ length: match[0].length
+ });
+ }
+ return matches;
+ }
+ #extractText() {
+ if (this._extractTextPromises.length > 0) {
+ return;
+ }
+ let deferred = Promise.resolve();
+ const textOptions = {
+ disableNormalization: true
+ };
+ const pdfDoc = this._pdfDocument;
+ for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
+ const {
+ promise,
+ resolve
+ } = Promise.withResolvers();
+ this._extractTextPromises[i] = promise;
+ deferred = deferred.then(async () => {
+ if (pdfDoc !== this._pdfDocument) {
+ resolve();
+ return;
+ }
+ await pdfDoc.getPage(i + 1).then(pdfPage => pdfPage.getTextContent(textOptions)).then(textContent => {
+ const strBuf = [];
+ for (const textItem of textContent.items) {
+ strBuf.push(textItem.str);
+ if (textItem.hasEOL) {
+ strBuf.push("\n");
+ }
+ }
+ [this._pageContents[i], this._pageDiffs[i], this._hasDiacritics[i]] = normalize(strBuf.join(""));
+ resolve();
+ }, reason => {
+ console.error(`Unable to get text content for page ${i + 1}`, reason);
+ this._pageContents[i] = "";
+ this._pageDiffs[i] = null;
+ this._hasDiacritics[i] = false;
+ resolve();
+ });
+ });
+ }
+ }
+ #updatePage(index) {
+ if (this._scrollMatches && this._selected.pageIdx === index) {
+ this._linkService.page = index + 1;
+ }
+ this._eventBus.dispatch("updatetextlayermatches", {
+ source: this,
+ pageIndex: index
+ });
+ }
+ #updateAllPages() {
+ this._eventBus.dispatch("updatetextlayermatches", {
+ source: this,
+ pageIndex: -1
+ });
+ }
+ #nextMatch() {
+ const previous = this.#state.findPrevious;
+ const currentPageIndex = this._linkService.page - 1;
+ const numPages = this._linkService.pagesCount;
+ this._highlightMatches = true;
+ if (this._dirtyMatch) {
+ this._dirtyMatch = false;
+ this._selected.pageIdx = this._selected.matchIdx = -1;
+ this._offset.pageIdx = currentPageIndex;
+ this._offset.matchIdx = null;
+ this._offset.wrapped = false;
+ this._resumePageIdx = null;
+ this._pageMatches.length = 0;
+ this._pageMatchesLength.length = 0;
+ this.#visitedPagesCount = 0;
+ this._matchesCountTotal = 0;
+ this.#updateAllPages();
+ for (let i = 0; i < numPages; i++) {
+ if (this._pendingFindMatches.has(i)) {
+ continue;
+ }
+ this._pendingFindMatches.add(i);
+ this._extractTextPromises[i].then(() => {
+ this._pendingFindMatches.delete(i);
+ this.#calculateMatch(i);
+ });
+ }
+ }
+ const query = this.#query;
+ if (query.length === 0) {
+ this.#updateUIState(FindState.FOUND);
+ return;
+ }
+ if (this._resumePageIdx) {
+ return;
+ }
+ const offset = this._offset;
+ this._pagesToSearch = numPages;
+ if (offset.matchIdx !== null) {
+ const numPageMatches = this._pageMatches[offset.pageIdx].length;
+ if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
+ offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
+ this.#updateMatch(true);
+ return;
+ }
+ this.#advanceOffsetPage(previous);
+ }
+ this.#nextPageMatch();
+ }
+ #matchesReady(matches) {
+ const offset = this._offset;
+ const numMatches = matches.length;
+ const previous = this.#state.findPrevious;
+ if (numMatches) {
+ offset.matchIdx = previous ? numMatches - 1 : 0;
+ this.#updateMatch(true);
+ return true;
+ }
+ this.#advanceOffsetPage(previous);
+ if (offset.wrapped) {
+ offset.matchIdx = null;
+ if (this._pagesToSearch < 0) {
+ this.#updateMatch(false);
+ return true;
+ }
+ }
+ return false;
+ }
+ #nextPageMatch() {
+ if (this._resumePageIdx !== null) {
+ console.error("There can only be one pending page.");
+ }
+ let matches = null;
+ do {
+ const pageIdx = this._offset.pageIdx;
+ matches = this._pageMatches[pageIdx];
+ if (!matches) {
+ this._resumePageIdx = pageIdx;
+ break;
+ }
+ } while (!this.#matchesReady(matches));
+ }
+ #advanceOffsetPage(previous) {
+ const offset = this._offset;
+ const numPages = this._linkService.pagesCount;
+ offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
+ offset.matchIdx = null;
+ this._pagesToSearch--;
+ if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
+ offset.pageIdx = previous ? numPages - 1 : 0;
+ offset.wrapped = true;
+ }
+ }
+ #updateMatch(found = false) {
+ let state = FindState.NOT_FOUND;
+ const wrapped = this._offset.wrapped;
+ this._offset.wrapped = false;
+ if (found) {
+ const previousPage = this._selected.pageIdx;
+ this._selected.pageIdx = this._offset.pageIdx;
+ this._selected.matchIdx = this._offset.matchIdx;
+ state = wrapped ? FindState.WRAPPED : FindState.FOUND;
+ if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
+ this.#updatePage(previousPage);
+ }
+ }
+ this.#updateUIState(state, this.#state.findPrevious);
+ if (this._selected.pageIdx !== -1) {
+ this._scrollMatches = true;
+ this.#updatePage(this._selected.pageIdx);
+ }
+ }
+ #onFindBarClose(evt) {
+ const pdfDocument = this._pdfDocument;
+ this._firstPageCapability.promise.then(() => {
+ if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
+ return;
+ }
+ if (this._findTimeout) {
+ clearTimeout(this._findTimeout);
+ this._findTimeout = null;
+ }
+ if (this._resumePageIdx) {
+ this._resumePageIdx = null;
+ this._dirtyMatch = true;
+ }
+ this.#updateUIState(FindState.FOUND);
+ this._highlightMatches = false;
+ this.#updateAllPages();
+ });
+ }
+ #requestMatchesCount() {
+ const {
+ pageIdx,
+ matchIdx
+ } = this._selected;
+ let current = 0,
+ total = this._matchesCountTotal;
+ if (matchIdx !== -1) {
+ for (let i = 0; i < pageIdx; i++) {
+ current += this._pageMatches[i]?.length || 0;
+ }
+ current += matchIdx + 1;
+ }
+ if (current < 1 || current > total) {
+ current = total = 0;
+ }
+ return {
+ current,
+ total
+ };
+ }
+ #updateUIResultsCount() {
+ this._eventBus.dispatch("updatefindmatchescount", {
+ source: this,
+ matchesCount: this.#requestMatchesCount()
+ });
+ }
+ #updateUIState(state, previous = false) {
+ if (!this.#updateMatchesCountOnProgress && (this.#visitedPagesCount !== this._linkService.pagesCount || state === FindState.PENDING)) {
+ return;
+ }
+ this._eventBus.dispatch("updatefindcontrolstate", {
+ source: this,
+ state,
+ previous,
+ entireWord: this.#state?.entireWord ?? null,
+ matchesCount: this.#requestMatchesCount(),
+ rawQuery: this.#state?.query ?? null
+ });
+ }
+}
+
+;// ./web/pdf_find_bar.js
+
+
+const MATCHES_COUNT_LIMIT = 1000;
+class PDFFindBar {
+ #mainContainer;
+ #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this));
+ constructor(options, mainContainer, eventBus) {
+ this.opened = false;
+ this.bar = options.bar;
+ this.toggleButton = options.toggleButton;
+ this.findField = options.findField;
+ this.highlightAll = options.highlightAllCheckbox;
+ this.caseSensitive = options.caseSensitiveCheckbox;
+ this.matchDiacritics = options.matchDiacriticsCheckbox;
+ this.entireWord = options.entireWordCheckbox;
+ this.findMsg = options.findMsg;
+ this.findResultsCount = options.findResultsCount;
+ this.findPreviousButton = options.findPreviousButton;
+ this.findNextButton = options.findNextButton;
+ this.eventBus = eventBus;
+ this.#mainContainer = mainContainer;
+ const checkedInputs = new Map([[this.highlightAll, "highlightallchange"], [this.caseSensitive, "casesensitivitychange"], [this.entireWord, "entirewordchange"], [this.matchDiacritics, "diacriticmatchingchange"]]);
+ this.toggleButton.addEventListener("click", () => {
+ this.toggle();
+ });
+ this.findField.addEventListener("input", () => {
+ this.dispatchEvent("");
+ });
+ this.bar.addEventListener("keydown", ({
+ keyCode,
+ shiftKey,
+ target
+ }) => {
+ switch (keyCode) {
+ case 13:
+ if (target === this.findField) {
+ this.dispatchEvent("again", shiftKey);
+ } else if (checkedInputs.has(target)) {
+ target.checked = !target.checked;
+ this.dispatchEvent(checkedInputs.get(target));
+ }
+ break;
+ case 27:
+ this.close();
+ break;
+ }
+ });
+ this.findPreviousButton.addEventListener("click", () => {
+ this.dispatchEvent("again", true);
+ });
+ this.findNextButton.addEventListener("click", () => {
+ this.dispatchEvent("again", false);
+ });
+ for (const [elem, evtName] of checkedInputs) {
+ elem.addEventListener("click", () => {
+ this.dispatchEvent(evtName);
+ });
+ }
+ }
+ reset() {
+ this.updateUIState();
+ }
+ dispatchEvent(type, findPrev = false) {
+ this.eventBus.dispatch("find", {
+ source: this,
+ type,
+ query: this.findField.value,
+ caseSensitive: this.caseSensitive.checked,
+ entireWord: this.entireWord.checked,
+ highlightAll: this.highlightAll.checked,
+ findPrevious: findPrev,
+ matchDiacritics: this.matchDiacritics.checked
+ });
+ }
+ updateUIState(state, previous, matchesCount) {
+ const {
+ findField,
+ findMsg
+ } = this;
+ let findMsgId = "",
+ status = "";
+ switch (state) {
+ case FindState.FOUND:
+ break;
+ case FindState.PENDING:
+ status = "pending";
+ break;
+ case FindState.NOT_FOUND:
+ findMsgId = "pdfjs-find-not-found";
+ status = "notFound";
+ break;
+ case FindState.WRAPPED:
+ findMsgId = previous ? "pdfjs-find-reached-top" : "pdfjs-find-reached-bottom";
+ break;
+ }
+ findField.setAttribute("data-status", status);
+ findField.setAttribute("aria-invalid", state === FindState.NOT_FOUND);
+ findMsg.setAttribute("data-status", status);
+ if (findMsgId) {
+ findMsg.setAttribute("data-l10n-id", findMsgId);
+ } else {
+ findMsg.removeAttribute("data-l10n-id");
+ findMsg.textContent = "";
+ }
+ this.updateResultsCount(matchesCount);
+ }
+ updateResultsCount({
+ current = 0,
+ total = 0
+ } = {}) {
+ const {
+ findResultsCount
+ } = this;
+ if (total > 0) {
+ const limit = MATCHES_COUNT_LIMIT;
+ findResultsCount.setAttribute("data-l10n-id", total > limit ? "pdfjs-find-match-count-limit" : "pdfjs-find-match-count");
+ findResultsCount.setAttribute("data-l10n-args", JSON.stringify({
+ limit,
+ current,
+ total
+ }));
+ } else {
+ findResultsCount.removeAttribute("data-l10n-id");
+ findResultsCount.textContent = "";
+ }
+ }
+ open() {
+ if (!this.opened) {
+ this.#resizeObserver.observe(this.#mainContainer);
+ this.#resizeObserver.observe(this.bar);
+ this.opened = true;
+ toggleExpandedBtn(this.toggleButton, true, this.bar);
+ }
+ this.findField.select();
+ this.findField.focus();
+ }
+ close() {
+ if (!this.opened) {
+ return;
+ }
+ this.#resizeObserver.disconnect();
+ this.opened = false;
+ toggleExpandedBtn(this.toggleButton, false, this.bar);
+ this.eventBus.dispatch("findbarclose", {
+ source: this
+ });
+ }
+ toggle() {
+ if (this.opened) {
+ this.close();
+ } else {
+ this.open();
+ }
+ }
+ #resizeObserverCallback() {
+ const {
+ bar
+ } = this;
+ bar.classList.remove("wrapContainers");
+ const findbarHeight = bar.clientHeight;
+ const inputContainerHeight = bar.firstElementChild.clientHeight;
+ if (findbarHeight > inputContainerHeight) {
+ bar.classList.add("wrapContainers");
+ }
+ }
+}
+
+;// ./web/pdf_history.js
+
+
+
+const HASH_CHANGE_TIMEOUT = 1000;
+const POSITION_UPDATED_THRESHOLD = 50;
+const UPDATE_VIEWAREA_TIMEOUT = 1000;
+function getCurrentHash() {
+ return document.location.hash;
+}
+class PDFHistory {
+ #eventAbortController = null;
+ constructor({
+ linkService,
+ eventBus
+ }) {
+ this.linkService = linkService;
+ this.eventBus = eventBus;
+ this._initialized = false;
+ this._fingerprint = "";
+ this.reset();
+ this.eventBus._on("pagesinit", () => {
+ this._isPagesLoaded = false;
+ this.eventBus._on("pagesloaded", evt => {
+ this._isPagesLoaded = !!evt.pagesCount;
+ }, {
+ once: true
+ });
+ });
+ }
+ initialize({
+ fingerprint,
+ resetHistory = false,
+ updateUrl = false
+ }) {
+ if (!fingerprint || typeof fingerprint !== "string") {
+ console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
+ return;
+ }
+ if (this._initialized) {
+ this.reset();
+ }
+ const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
+ this._fingerprint = fingerprint;
+ this._updateUrl = updateUrl === true;
+ this._initialized = true;
+ this.#bindEvents();
+ const state = window.history.state;
+ this._popStateInProgress = false;
+ this._blockHashChange = 0;
+ this._currentHash = getCurrentHash();
+ this._numPositionUpdates = 0;
+ this._uid = this._maxUid = 0;
+ this._destination = null;
+ this._position = null;
+ if (!this.#isValidState(state, true) || resetHistory) {
+ const {
+ hash,
+ page,
+ rotation
+ } = this.#parseCurrentHash(true);
+ if (!hash || reInitialized || resetHistory) {
+ this.#pushOrReplaceState(null, true);
+ return;
+ }
+ this.#pushOrReplaceState({
+ hash,
+ page,
+ rotation
+ }, true);
+ return;
+ }
+ const destination = state.destination;
+ this.#updateInternalState(destination, state.uid, true);
+ if (destination.rotation !== undefined) {
+ this._initialRotation = destination.rotation;
+ }
+ if (destination.dest) {
+ this._initialBookmark = JSON.stringify(destination.dest);
+ this._destination.page = null;
+ } else if (destination.hash) {
+ this._initialBookmark = destination.hash;
+ } else if (destination.page) {
+ this._initialBookmark = `page=${destination.page}`;
+ }
+ }
+ reset() {
+ if (this._initialized) {
+ this.#pageHide();
+ this._initialized = false;
+ this.#unbindEvents();
+ }
+ if (this._updateViewareaTimeout) {
+ clearTimeout(this._updateViewareaTimeout);
+ this._updateViewareaTimeout = null;
+ }
+ this._initialBookmark = null;
+ this._initialRotation = null;
+ }
+ push({
+ namedDest = null,
+ explicitDest,
+ pageNumber
+ }) {
+ if (!this._initialized) {
+ return;
+ }
+ if (namedDest && typeof namedDest !== "string") {
+ console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`);
+ return;
+ } else if (!Array.isArray(explicitDest)) {
+ console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`);
+ return;
+ } else if (!this.#isValidPage(pageNumber)) {
+ if (pageNumber !== null || this._destination) {
+ console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`);
+ return;
+ }
+ }
+ const hash = namedDest || JSON.stringify(explicitDest);
+ if (!hash) {
+ return;
+ }
+ let forceReplace = false;
+ if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
+ if (this._destination.page) {
+ return;
+ }
+ forceReplace = true;
+ }
+ if (this._popStateInProgress && !forceReplace) {
+ return;
+ }
+ this.#pushOrReplaceState({
+ dest: explicitDest,
+ hash,
+ page: pageNumber,
+ rotation: this.linkService.rotation
+ }, forceReplace);
+ if (!this._popStateInProgress) {
+ this._popStateInProgress = true;
+ Promise.resolve().then(() => {
+ this._popStateInProgress = false;
+ });
+ }
+ }
+ pushPage(pageNumber) {
+ if (!this._initialized) {
+ return;
+ }
+ if (!this.#isValidPage(pageNumber)) {
+ console.error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`);
+ return;
+ }
+ if (this._destination?.page === pageNumber) {
+ return;
+ }
+ if (this._popStateInProgress) {
+ return;
+ }
+ this.#pushOrReplaceState({
+ dest: null,
+ hash: `page=${pageNumber}`,
+ page: pageNumber,
+ rotation: this.linkService.rotation
+ });
+ if (!this._popStateInProgress) {
+ this._popStateInProgress = true;
+ Promise.resolve().then(() => {
+ this._popStateInProgress = false;
+ });
+ }
+ }
+ pushCurrentPosition() {
+ if (!this._initialized || this._popStateInProgress) {
+ return;
+ }
+ this.#tryPushCurrentPosition();
+ }
+ back() {
+ if (!this._initialized || this._popStateInProgress) {
+ return;
+ }
+ const state = window.history.state;
+ if (this.#isValidState(state) && state.uid > 0) {
+ window.history.back();
+ }
+ }
+ forward() {
+ if (!this._initialized || this._popStateInProgress) {
+ return;
+ }
+ const state = window.history.state;
+ if (this.#isValidState(state) && state.uid < this._maxUid) {
+ window.history.forward();
+ }
+ }
+ get popStateInProgress() {
+ return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
+ }
+ get initialBookmark() {
+ return this._initialized ? this._initialBookmark : null;
+ }
+ get initialRotation() {
+ return this._initialized ? this._initialRotation : null;
+ }
+ #pushOrReplaceState(destination, forceReplace = false) {
+ const shouldReplace = forceReplace || !this._destination;
+ const newState = {
+ fingerprint: this._fingerprint,
+ uid: shouldReplace ? this._uid : this._uid + 1,
+ destination
+ };
+ this.#updateInternalState(destination, newState.uid);
+ let newUrl;
+ if (this._updateUrl && destination?.hash) {
+ const {
+ href,
+ protocol
+ } = document.location;
+ if (protocol !== "file:") {
+ newUrl = updateUrlHash(href, destination.hash);
+ }
+ }
+ if (shouldReplace) {
+ window.history.replaceState(newState, "", newUrl);
+ } else {
+ window.history.pushState(newState, "", newUrl);
+ }
+ }
+ #tryPushCurrentPosition(temporary = false) {
+ if (!this._position) {
+ return;
+ }
+ let position = this._position;
+ if (temporary) {
+ position = Object.assign(Object.create(null), this._position);
+ position.temporary = true;
+ }
+ if (!this._destination) {
+ this.#pushOrReplaceState(position);
+ return;
+ }
+ if (this._destination.temporary) {
+ this.#pushOrReplaceState(position, true);
+ return;
+ }
+ if (this._destination.hash === position.hash) {
+ return;
+ }
+ if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
+ return;
+ }
+ let forceReplace = false;
+ if (this._destination.page >= position.first && this._destination.page <= position.page) {
+ if (this._destination.dest !== undefined || !this._destination.first) {
+ return;
+ }
+ forceReplace = true;
+ }
+ this.#pushOrReplaceState(position, forceReplace);
+ }
+ #isValidPage(val) {
+ return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount;
+ }
+ #isValidState(state, checkReload = false) {
+ if (!state) {
+ return false;
+ }
+ if (state.fingerprint !== this._fingerprint) {
+ if (checkReload) {
+ if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
+ return false;
+ }
+ const [perfEntry] = performance.getEntriesByType("navigation");
+ if (perfEntry?.type !== "reload") {
+ return false;
+ }
+ } else {
+ return false;
+ }
+ }
+ if (!Number.isInteger(state.uid) || state.uid < 0) {
+ return false;
+ }
+ if (state.destination === null || typeof state.destination !== "object") {
+ return false;
+ }
+ return true;
+ }
+ #updateInternalState(destination, uid, removeTemporary = false) {
+ if (this._updateViewareaTimeout) {
+ clearTimeout(this._updateViewareaTimeout);
+ this._updateViewareaTimeout = null;
+ }
+ if (removeTemporary && destination?.temporary) {
+ delete destination.temporary;
+ }
+ this._destination = destination;
+ this._uid = uid;
+ this._maxUid = Math.max(this._maxUid, uid);
+ this._numPositionUpdates = 0;
+ }
+ #parseCurrentHash(checkNameddest = false) {
+ const hash = unescape(getCurrentHash()).substring(1);
+ const params = parseQueryString(hash);
+ const nameddest = params.get("nameddest") || "";
+ let page = params.get("page") | 0;
+ if (!this.#isValidPage(page) || checkNameddest && nameddest.length > 0) {
+ page = null;
+ }
+ return {
+ hash,
+ page,
+ rotation: this.linkService.rotation
+ };
+ }
+ #updateViewarea({
+ location
+ }) {
+ if (this._updateViewareaTimeout) {
+ clearTimeout(this._updateViewareaTimeout);
+ this._updateViewareaTimeout = null;
+ }
+ this._position = {
+ hash: location.pdfOpenParams.substring(1),
+ page: this.linkService.page,
+ first: location.pageNumber,
+ rotation: location.rotation
+ };
+ if (this._popStateInProgress) {
+ return;
+ }
+ if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
+ this._numPositionUpdates++;
+ }
+ if (UPDATE_VIEWAREA_TIMEOUT > 0) {
+ this._updateViewareaTimeout = setTimeout(() => {
+ if (!this._popStateInProgress) {
+ this.#tryPushCurrentPosition(true);
+ }
+ this._updateViewareaTimeout = null;
+ }, UPDATE_VIEWAREA_TIMEOUT);
+ }
+ }
+ #popState({
+ state
+ }) {
+ const newHash = getCurrentHash(),
+ hashChanged = this._currentHash !== newHash;
+ this._currentHash = newHash;
+ if (!state) {
+ this._uid++;
+ const {
+ hash,
+ page,
+ rotation
+ } = this.#parseCurrentHash();
+ this.#pushOrReplaceState({
+ hash,
+ page,
+ rotation
+ }, true);
+ return;
+ }
+ if (!this.#isValidState(state)) {
+ return;
+ }
+ this._popStateInProgress = true;
+ if (hashChanged) {
+ this._blockHashChange++;
+ waitOnEventOrTimeout({
+ target: window,
+ name: "hashchange",
+ delay: HASH_CHANGE_TIMEOUT
+ }).then(() => {
+ this._blockHashChange--;
+ });
+ }
+ const destination = state.destination;
+ this.#updateInternalState(destination, state.uid, true);
+ if (isValidRotation(destination.rotation)) {
+ this.linkService.rotation = destination.rotation;
+ }
+ if (destination.dest) {
+ this.linkService.goToDestination(destination.dest);
+ } else if (destination.hash) {
+ this.linkService.setHash(destination.hash);
+ } else if (destination.page) {
+ this.linkService.page = destination.page;
+ }
+ Promise.resolve().then(() => {
+ this._popStateInProgress = false;
+ });
+ }
+ #pageHide() {
+ if (!this._destination || this._destination.temporary) {
+ this.#tryPushCurrentPosition();
+ }
+ }
+ #bindEvents() {
+ if (this.#eventAbortController) {
+ return;
+ }
+ this.#eventAbortController = new AbortController();
+ const {
+ signal
+ } = this.#eventAbortController;
+ this.eventBus._on("updateviewarea", this.#updateViewarea.bind(this), {
+ signal
+ });
+ window.addEventListener("popstate", this.#popState.bind(this), {
+ signal
+ });
+ window.addEventListener("pagehide", this.#pageHide.bind(this), {
+ signal
+ });
+ }
+ #unbindEvents() {
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ }
+}
+function isDestHashesEqual(destHash, pushHash) {
+ if (typeof destHash !== "string" || typeof pushHash !== "string") {
+ return false;
+ }
+ if (destHash === pushHash) {
+ return true;
+ }
+ const nameddest = parseQueryString(destHash).get("nameddest");
+ if (nameddest === pushHash) {
+ return true;
+ }
+ return false;
+}
+function isDestArraysEqual(firstDest, secondDest) {
+ function isEntryEqual(first, second) {
+ if (typeof first !== typeof second) {
+ return false;
+ }
+ if (Array.isArray(first) || Array.isArray(second)) {
+ return false;
+ }
+ if (first !== null && typeof first === "object" && second !== null) {
+ if (Object.keys(first).length !== Object.keys(second).length) {
+ return false;
+ }
+ for (const key in first) {
+ if (!isEntryEqual(first[key], second[key])) {
+ return false;
+ }
+ }
+ return true;
+ }
+ return first === second || Number.isNaN(first) && Number.isNaN(second);
+ }
+ if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
+ return false;
+ }
+ if (firstDest.length !== secondDest.length) {
+ return false;
+ }
+ for (let i = 0, ii = firstDest.length; i < ii; i++) {
+ if (!isEntryEqual(firstDest[i], secondDest[i])) {
+ return false;
+ }
+ }
+ return true;
+}
+
+;// ./web/pdf_layer_viewer.js
+
+class PDFLayerViewer extends BaseTreeViewer {
+ constructor(options) {
+ super(options);
+ this.eventBus._on("optionalcontentconfigchanged", evt => {
+ this.#updateLayers(evt.promise);
+ });
+ this.eventBus._on("resetlayers", () => {
+ this.#updateLayers();
+ });
+ this.eventBus._on("togglelayerstree", this._toggleAllTreeItems.bind(this));
+ }
+ reset() {
+ super.reset();
+ this._optionalContentConfig = null;
+ this._optionalContentVisibility?.clear();
+ this._optionalContentVisibility = null;
+ }
+ _dispatchEvent(layersCount) {
+ this.eventBus.dispatch("layersloaded", {
+ source: this,
+ layersCount
+ });
+ }
+ _bindLink(element, {
+ groupId,
+ input
+ }) {
+ const setVisibility = () => {
+ const visible = input.checked;
+ this._optionalContentConfig.setVisibility(groupId, visible);
+ const cached = this._optionalContentVisibility.get(groupId);
+ if (cached) {
+ cached.visible = visible;
+ }
+ this.eventBus.dispatch("optionalcontentconfig", {
+ source: this,
+ promise: Promise.resolve(this._optionalContentConfig)
+ });
+ };
+ element.onclick = evt => {
+ if (evt.target === input) {
+ setVisibility();
+ return true;
+ } else if (evt.target !== element) {
+ return true;
+ }
+ input.checked = !input.checked;
+ setVisibility();
+ return false;
+ };
+ }
+ _setNestedName(element, {
+ name = null
+ }) {
+ if (typeof name === "string") {
+ element.textContent = this._normalizeTextContent(name);
+ return;
+ }
+ element.setAttribute("data-l10n-id", "pdfjs-additional-layers");
+ element.style.fontStyle = "italic";
+ this._l10n.translateOnce(element);
+ }
+ _addToggleButton(div, {
+ name = null
+ }) {
+ super._addToggleButton(div, name === null);
+ }
+ _toggleAllTreeItems() {
+ if (!this._optionalContentConfig) {
+ return;
+ }
+ super._toggleAllTreeItems();
+ }
+ render({
+ optionalContentConfig,
+ pdfDocument
+ }) {
+ if (this._optionalContentConfig) {
+ this.reset();
+ }
+ this._optionalContentConfig = optionalContentConfig || null;
+ this._pdfDocument = pdfDocument || null;
+ const groups = optionalContentConfig?.getOrder();
+ if (!groups) {
+ this._dispatchEvent(0);
+ return;
+ }
+ this._optionalContentVisibility = new Map();
+ const fragment = document.createDocumentFragment(),
+ queue = [{
+ parent: fragment,
+ groups
+ }];
+ let layersCount = 0,
+ hasAnyNesting = false;
+ while (queue.length > 0) {
+ const levelData = queue.shift();
+ for (const groupId of levelData.groups) {
+ const div = document.createElement("div");
+ div.className = "treeItem";
+ const element = document.createElement("a");
+ div.append(element);
+ if (typeof groupId === "object") {
+ hasAnyNesting = true;
+ this._addToggleButton(div, groupId);
+ this._setNestedName(element, groupId);
+ const itemsDiv = document.createElement("div");
+ itemsDiv.className = "treeItems";
+ div.append(itemsDiv);
+ queue.push({
+ parent: itemsDiv,
+ groups: groupId.order
+ });
+ } else {
+ const group = optionalContentConfig.getGroup(groupId);
+ const input = document.createElement("input");
+ this._bindLink(element, {
+ groupId,
+ input
+ });
+ input.type = "checkbox";
+ input.checked = group.visible;
+ this._optionalContentVisibility.set(groupId, {
+ input,
+ visible: input.checked
+ });
+ const label = document.createElement("label");
+ label.textContent = this._normalizeTextContent(group.name);
+ label.append(input);
+ element.append(label);
+ layersCount++;
+ }
+ levelData.parent.append(div);
+ }
+ }
+ this._finishRendering(fragment, layersCount, hasAnyNesting);
+ }
+ async #updateLayers(promise = null) {
+ if (!this._optionalContentConfig) {
+ return;
+ }
+ const pdfDocument = this._pdfDocument;
+ const optionalContentConfig = await (promise || pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ }));
+ if (pdfDocument !== this._pdfDocument) {
+ return;
+ }
+ if (promise) {
+ for (const [groupId, cached] of this._optionalContentVisibility) {
+ const group = optionalContentConfig.getGroup(groupId);
+ if (group && cached.visible !== group.visible) {
+ cached.input.checked = cached.visible = !cached.visible;
+ }
+ }
+ return;
+ }
+ this.eventBus.dispatch("optionalcontentconfig", {
+ source: this,
+ promise: Promise.resolve(optionalContentConfig)
+ });
+ this.render({
+ optionalContentConfig,
+ pdfDocument: this._pdfDocument
+ });
+ }
+}
+
+;// ./web/pdf_outline_viewer.js
+
+
+class PDFOutlineViewer extends BaseTreeViewer {
+ constructor(options) {
+ super(options);
+ this.linkService = options.linkService;
+ this.downloadManager = options.downloadManager;
+ this.eventBus._on("toggleoutlinetree", this._toggleAllTreeItems.bind(this));
+ this.eventBus._on("currentoutlineitem", this._currentOutlineItem.bind(this));
+ this.eventBus._on("pagechanging", evt => {
+ this._currentPageNumber = evt.pageNumber;
+ });
+ this.eventBus._on("pagesloaded", evt => {
+ this._isPagesLoaded = !!evt.pagesCount;
+ this._currentOutlineItemCapability?.resolve(this._isPagesLoaded);
+ });
+ this.eventBus._on("sidebarviewchanged", evt => {
+ this._sidebarView = evt.view;
+ });
+ }
+ reset() {
+ super.reset();
+ this._outline = null;
+ this._pageNumberToDestHashCapability = null;
+ this._currentPageNumber = 1;
+ this._isPagesLoaded = null;
+ this._currentOutlineItemCapability?.resolve(false);
+ this._currentOutlineItemCapability = null;
+ }
+ _dispatchEvent(outlineCount) {
+ this._currentOutlineItemCapability = Promise.withResolvers();
+ if (outlineCount === 0 || this._pdfDocument?.loadingParams.disableAutoFetch) {
+ this._currentOutlineItemCapability.resolve(false);
+ } else if (this._isPagesLoaded !== null) {
+ this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
+ }
+ this.eventBus.dispatch("outlineloaded", {
+ source: this,
+ outlineCount,
+ currentOutlineItemPromise: this._currentOutlineItemCapability.promise
+ });
+ }
+ _bindLink(element, {
+ url,
+ newWindow,
+ action,
+ attachment,
+ dest,
+ setOCGState
+ }) {
+ const {
+ linkService
+ } = this;
+ if (url) {
+ linkService.addLinkAttributes(element, url, newWindow);
+ return;
+ }
+ if (action) {
+ element.href = linkService.getAnchorUrl("");
+ element.onclick = () => {
+ linkService.executeNamedAction(action);
+ return false;
+ };
+ return;
+ }
+ if (attachment) {
+ element.href = linkService.getAnchorUrl("");
+ element.onclick = () => {
+ this.downloadManager.openOrDownloadData(attachment.content, attachment.filename);
+ return false;
+ };
+ return;
+ }
+ if (setOCGState) {
+ element.href = linkService.getAnchorUrl("");
+ element.onclick = () => {
+ linkService.executeSetOCGState(setOCGState);
+ return false;
+ };
+ return;
+ }
+ element.href = linkService.getDestinationHash(dest);
+ element.onclick = evt => {
+ this._updateCurrentTreeItem(evt.target.parentNode);
+ if (dest) {
+ linkService.goToDestination(dest);
+ }
+ return false;
+ };
+ }
+ _setStyles(element, {
+ bold,
+ italic
+ }) {
+ if (bold) {
+ element.style.fontWeight = "bold";
+ }
+ if (italic) {
+ element.style.fontStyle = "italic";
+ }
+ }
+ _addToggleButton(div, {
+ count,
+ items
+ }) {
+ let hidden = false;
+ if (count < 0) {
+ let totalCount = items.length;
+ if (totalCount > 0) {
+ const queue = [...items];
+ while (queue.length > 0) {
+ const {
+ count: nestedCount,
+ items: nestedItems
+ } = queue.shift();
+ if (nestedCount > 0 && nestedItems.length > 0) {
+ totalCount += nestedItems.length;
+ queue.push(...nestedItems);
+ }
+ }
+ }
+ if (Math.abs(count) === totalCount) {
+ hidden = true;
+ }
+ }
+ super._addToggleButton(div, hidden);
+ }
+ _toggleAllTreeItems() {
+ if (!this._outline) {
+ return;
+ }
+ super._toggleAllTreeItems();
+ }
+ render({
+ outline,
+ pdfDocument
+ }) {
+ if (this._outline) {
+ this.reset();
+ }
+ this._outline = outline || null;
+ this._pdfDocument = pdfDocument || null;
+ if (!outline) {
+ this._dispatchEvent(0);
+ return;
+ }
+ const fragment = document.createDocumentFragment();
+ const queue = [{
+ parent: fragment,
+ items: outline
+ }];
+ let outlineCount = 0,
+ hasAnyNesting = false;
+ while (queue.length > 0) {
+ const levelData = queue.shift();
+ for (const item of levelData.items) {
+ const div = document.createElement("div");
+ div.className = "treeItem";
+ const element = document.createElement("a");
+ this._bindLink(element, item);
+ this._setStyles(element, item);
+ element.textContent = this._normalizeTextContent(item.title);
+ div.append(element);
+ if (item.items.length > 0) {
+ hasAnyNesting = true;
+ this._addToggleButton(div, item);
+ const itemsDiv = document.createElement("div");
+ itemsDiv.className = "treeItems";
+ div.append(itemsDiv);
+ queue.push({
+ parent: itemsDiv,
+ items: item.items
+ });
+ }
+ levelData.parent.append(div);
+ outlineCount++;
+ }
+ }
+ this._finishRendering(fragment, outlineCount, hasAnyNesting);
+ }
+ async _currentOutlineItem() {
+ if (!this._isPagesLoaded) {
+ throw new Error("_currentOutlineItem: All pages have not been loaded.");
+ }
+ if (!this._outline || !this._pdfDocument) {
+ return;
+ }
+ const pageNumberToDestHash = await this._getPageNumberToDestHash(this._pdfDocument);
+ if (!pageNumberToDestHash) {
+ return;
+ }
+ this._updateCurrentTreeItem(null);
+ if (this._sidebarView !== SidebarView.OUTLINE) {
+ return;
+ }
+ for (let i = this._currentPageNumber; i > 0; i--) {
+ const destHash = pageNumberToDestHash.get(i);
+ if (!destHash) {
+ continue;
+ }
+ const linkElement = this.container.querySelector(`a[href="${destHash}"]`);
+ if (!linkElement) {
+ continue;
+ }
+ this._scrollToCurrentTreeItem(linkElement.parentNode);
+ break;
+ }
+ }
+ async _getPageNumberToDestHash(pdfDocument) {
+ if (this._pageNumberToDestHashCapability) {
+ return this._pageNumberToDestHashCapability.promise;
+ }
+ this._pageNumberToDestHashCapability = Promise.withResolvers();
+ const pageNumberToDestHash = new Map(),
+ pageNumberNesting = new Map();
+ const queue = [{
+ nesting: 0,
+ items: this._outline
+ }];
+ while (queue.length > 0) {
+ const levelData = queue.shift(),
+ currentNesting = levelData.nesting;
+ for (const {
+ dest,
+ items
+ } of levelData.items) {
+ let explicitDest, pageNumber;
+ if (typeof dest === "string") {
+ explicitDest = await pdfDocument.getDestination(dest);
+ if (pdfDocument !== this._pdfDocument) {
+ return null;
+ }
+ } else {
+ explicitDest = dest;
+ }
+ if (Array.isArray(explicitDest)) {
+ const [destRef] = explicitDest;
+ if (destRef && typeof destRef === "object") {
+ pageNumber = pdfDocument.cachedPageNumber(destRef);
+ } else if (Number.isInteger(destRef)) {
+ pageNumber = destRef + 1;
+ }
+ if (Number.isInteger(pageNumber) && (!pageNumberToDestHash.has(pageNumber) || currentNesting > pageNumberNesting.get(pageNumber))) {
+ const destHash = this.linkService.getDestinationHash(dest);
+ pageNumberToDestHash.set(pageNumber, destHash);
+ pageNumberNesting.set(pageNumber, currentNesting);
+ }
+ }
+ if (items.length > 0) {
+ queue.push({
+ nesting: currentNesting + 1,
+ items
+ });
+ }
+ }
+ }
+ this._pageNumberToDestHashCapability.resolve(pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null);
+ return this._pageNumberToDestHashCapability.promise;
+ }
+}
+
+;// ./web/pdf_presentation_mode.js
+
+
+const DELAY_BEFORE_HIDING_CONTROLS = 3000;
+const ACTIVE_SELECTOR = "pdfPresentationMode";
+const CONTROLS_SELECTOR = "pdfPresentationModeControls";
+const MOUSE_SCROLL_COOLDOWN_TIME = 50;
+const PAGE_SWITCH_THRESHOLD = 0.1;
+const SWIPE_MIN_DISTANCE_THRESHOLD = 50;
+const SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
+class PDFPresentationMode {
+ #state = PresentationModeState.UNKNOWN;
+ #args = null;
+ #fullscreenChangeAbortController = null;
+ #windowAbortController = null;
+ constructor({
+ container,
+ pdfViewer,
+ eventBus
+ }) {
+ this.container = container;
+ this.pdfViewer = pdfViewer;
+ this.eventBus = eventBus;
+ this.contextMenuOpen = false;
+ this.mouseScrollTimeStamp = 0;
+ this.mouseScrollDelta = 0;
+ this.touchSwipeState = null;
+ }
+ async request() {
+ const {
+ container,
+ pdfViewer
+ } = this;
+ if (this.active || !pdfViewer.pagesCount || !container.requestFullscreen) {
+ return false;
+ }
+ this.#addFullscreenChangeListeners();
+ this.#notifyStateChange(PresentationModeState.CHANGING);
+ const promise = container.requestFullscreen();
+ this.#args = {
+ pageNumber: pdfViewer.currentPageNumber,
+ scaleValue: pdfViewer.currentScaleValue,
+ scrollMode: pdfViewer.scrollMode,
+ spreadMode: null,
+ annotationEditorMode: null
+ };
+ if (pdfViewer.spreadMode !== SpreadMode.NONE && !(pdfViewer.pageViewsReady && pdfViewer.hasEqualPageSizes)) {
+ console.warn("Ignoring Spread modes when entering PresentationMode, " + "since the document may contain varying page sizes.");
+ this.#args.spreadMode = pdfViewer.spreadMode;
+ }
+ if (pdfViewer.annotationEditorMode !== AnnotationEditorType.DISABLE) {
+ this.#args.annotationEditorMode = pdfViewer.annotationEditorMode;
+ }
+ try {
+ await promise;
+ pdfViewer.focus();
+ return true;
+ } catch {
+ this.#removeFullscreenChangeListeners();
+ this.#notifyStateChange(PresentationModeState.NORMAL);
+ }
+ return false;
+ }
+ get active() {
+ return this.#state === PresentationModeState.CHANGING || this.#state === PresentationModeState.FULLSCREEN;
+ }
+ #mouseWheel(evt) {
+ if (!this.active) {
+ return;
+ }
+ evt.preventDefault();
+ const delta = normalizeWheelEventDelta(evt);
+ const currentTime = Date.now();
+ const storedTime = this.mouseScrollTimeStamp;
+ if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
+ return;
+ }
+ if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
+ this.#resetMouseScrollState();
+ }
+ this.mouseScrollDelta += delta;
+ if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
+ const totalDelta = this.mouseScrollDelta;
+ this.#resetMouseScrollState();
+ const success = totalDelta > 0 ? this.pdfViewer.previousPage() : this.pdfViewer.nextPage();
+ if (success) {
+ this.mouseScrollTimeStamp = currentTime;
+ }
+ }
+ }
+ #notifyStateChange(state) {
+ this.#state = state;
+ this.eventBus.dispatch("presentationmodechanged", {
+ source: this,
+ state
+ });
+ }
+ #enter() {
+ this.#notifyStateChange(PresentationModeState.FULLSCREEN);
+ this.container.classList.add(ACTIVE_SELECTOR);
+ setTimeout(() => {
+ this.pdfViewer.scrollMode = ScrollMode.PAGE;
+ if (this.#args.spreadMode !== null) {
+ this.pdfViewer.spreadMode = SpreadMode.NONE;
+ }
+ this.pdfViewer.currentPageNumber = this.#args.pageNumber;
+ this.pdfViewer.currentScaleValue = "page-fit";
+ if (this.#args.annotationEditorMode !== null) {
+ this.pdfViewer.annotationEditorMode = {
+ mode: AnnotationEditorType.NONE
+ };
+ }
+ }, 0);
+ this.#addWindowListeners();
+ this.#showControls();
+ this.contextMenuOpen = false;
+ document.getSelection().empty();
+ }
+ #exit() {
+ const pageNumber = this.pdfViewer.currentPageNumber;
+ this.container.classList.remove(ACTIVE_SELECTOR);
+ setTimeout(() => {
+ this.#removeFullscreenChangeListeners();
+ this.#notifyStateChange(PresentationModeState.NORMAL);
+ this.pdfViewer.scrollMode = this.#args.scrollMode;
+ if (this.#args.spreadMode !== null) {
+ this.pdfViewer.spreadMode = this.#args.spreadMode;
+ }
+ this.pdfViewer.currentScaleValue = this.#args.scaleValue;
+ this.pdfViewer.currentPageNumber = pageNumber;
+ if (this.#args.annotationEditorMode !== null) {
+ this.pdfViewer.annotationEditorMode = {
+ mode: this.#args.annotationEditorMode
+ };
+ }
+ this.#args = null;
+ }, 0);
+ this.#removeWindowListeners();
+ this.#hideControls();
+ this.#resetMouseScrollState();
+ this.contextMenuOpen = false;
+ }
+ #mouseDown(evt) {
+ if (this.contextMenuOpen) {
+ this.contextMenuOpen = false;
+ evt.preventDefault();
+ return;
+ }
+ if (evt.button !== 0) {
+ return;
+ }
+ if (evt.target.href && evt.target.parentNode?.hasAttribute("data-internal-link")) {
+ return;
+ }
+ evt.preventDefault();
+ if (evt.shiftKey) {
+ this.pdfViewer.previousPage();
+ } else {
+ this.pdfViewer.nextPage();
+ }
+ }
+ #contextMenu() {
+ this.contextMenuOpen = true;
+ }
+ #showControls() {
+ if (this.controlsTimeout) {
+ clearTimeout(this.controlsTimeout);
+ } else {
+ this.container.classList.add(CONTROLS_SELECTOR);
+ }
+ this.controlsTimeout = setTimeout(() => {
+ this.container.classList.remove(CONTROLS_SELECTOR);
+ delete this.controlsTimeout;
+ }, DELAY_BEFORE_HIDING_CONTROLS);
+ }
+ #hideControls() {
+ if (!this.controlsTimeout) {
+ return;
+ }
+ clearTimeout(this.controlsTimeout);
+ this.container.classList.remove(CONTROLS_SELECTOR);
+ delete this.controlsTimeout;
+ }
+ #resetMouseScrollState() {
+ this.mouseScrollTimeStamp = 0;
+ this.mouseScrollDelta = 0;
+ }
+ #touchSwipe(evt) {
+ if (!this.active) {
+ return;
+ }
+ if (evt.touches.length > 1) {
+ this.touchSwipeState = null;
+ return;
+ }
+ switch (evt.type) {
+ case "touchstart":
+ this.touchSwipeState = {
+ startX: evt.touches[0].pageX,
+ startY: evt.touches[0].pageY,
+ endX: evt.touches[0].pageX,
+ endY: evt.touches[0].pageY
+ };
+ break;
+ case "touchmove":
+ if (this.touchSwipeState === null) {
+ return;
+ }
+ this.touchSwipeState.endX = evt.touches[0].pageX;
+ this.touchSwipeState.endY = evt.touches[0].pageY;
+ evt.preventDefault();
+ break;
+ case "touchend":
+ if (this.touchSwipeState === null) {
+ return;
+ }
+ let delta = 0;
+ const dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
+ const dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
+ const absAngle = Math.abs(Math.atan2(dy, dx));
+ if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
+ delta = dx;
+ } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
+ delta = dy;
+ }
+ if (delta > 0) {
+ this.pdfViewer.previousPage();
+ } else if (delta < 0) {
+ this.pdfViewer.nextPage();
+ }
+ break;
+ }
+ }
+ #addWindowListeners() {
+ if (this.#windowAbortController) {
+ return;
+ }
+ this.#windowAbortController = new AbortController();
+ const {
+ signal
+ } = this.#windowAbortController;
+ const touchSwipeBind = this.#touchSwipe.bind(this);
+ window.addEventListener("mousemove", this.#showControls.bind(this), {
+ signal
+ });
+ window.addEventListener("mousedown", this.#mouseDown.bind(this), {
+ signal
+ });
+ window.addEventListener("wheel", this.#mouseWheel.bind(this), {
+ passive: false,
+ signal
+ });
+ window.addEventListener("keydown", this.#resetMouseScrollState.bind(this), {
+ signal
+ });
+ window.addEventListener("contextmenu", this.#contextMenu.bind(this), {
+ signal
+ });
+ window.addEventListener("touchstart", touchSwipeBind, {
+ signal
+ });
+ window.addEventListener("touchmove", touchSwipeBind, {
+ signal
+ });
+ window.addEventListener("touchend", touchSwipeBind, {
+ signal
+ });
+ }
+ #removeWindowListeners() {
+ this.#windowAbortController?.abort();
+ this.#windowAbortController = null;
+ }
+ #addFullscreenChangeListeners() {
+ if (this.#fullscreenChangeAbortController) {
+ return;
+ }
+ this.#fullscreenChangeAbortController = new AbortController();
+ window.addEventListener("fullscreenchange", () => {
+ if (document.fullscreenElement) {
+ this.#enter();
+ } else {
+ this.#exit();
+ }
+ }, {
+ signal: this.#fullscreenChangeAbortController.signal
+ });
+ }
+ #removeFullscreenChangeListeners() {
+ this.#fullscreenChangeAbortController?.abort();
+ this.#fullscreenChangeAbortController = null;
+ }
+}
+
+;// ./web/xfa_layer_builder.js
+
+class XfaLayerBuilder {
+ constructor({
+ pdfPage,
+ annotationStorage = null,
+ linkService,
+ xfaHtml = null
+ }) {
+ this.pdfPage = pdfPage;
+ this.annotationStorage = annotationStorage;
+ this.linkService = linkService;
+ this.xfaHtml = xfaHtml;
+ this.div = null;
+ this._cancelled = false;
+ }
+ async render({
+ viewport,
+ intent = "display"
+ }) {
+ if (intent === "print") {
+ const parameters = {
+ viewport: viewport.clone({
+ dontFlip: true
+ }),
+ div: this.div,
+ xfaHtml: this.xfaHtml,
+ annotationStorage: this.annotationStorage,
+ linkService: this.linkService,
+ intent
+ };
+ this.div = document.createElement("div");
+ parameters.div = this.div;
+ return XfaLayer.render(parameters);
+ }
+ const xfaHtml = await this.pdfPage.getXfa();
+ if (this._cancelled || !xfaHtml) {
+ return {
+ textDivs: []
+ };
+ }
+ const parameters = {
+ viewport: viewport.clone({
+ dontFlip: true
+ }),
+ div: this.div,
+ xfaHtml,
+ annotationStorage: this.annotationStorage,
+ linkService: this.linkService,
+ intent
+ };
+ if (this.div) {
+ return XfaLayer.update(parameters);
+ }
+ this.div = document.createElement("div");
+ parameters.div = this.div;
+ return XfaLayer.render(parameters);
+ }
+ cancel() {
+ this._cancelled = true;
+ }
+ hide() {
+ if (!this.div) {
+ return;
+ }
+ this.div.hidden = true;
+ }
+}
+
+;// ./web/print_utils.js
+
+
+
+function getXfaHtmlForPrinting(printContainer, pdfDocument) {
+ const xfaHtml = pdfDocument.allXfaHtml;
+ const linkService = new SimpleLinkService();
+ const scale = Math.round(PixelsPerInch.PDF_TO_CSS_UNITS * 100) / 100;
+ for (const xfaPage of xfaHtml.children) {
+ const page = document.createElement("div");
+ page.className = "xfaPrintedPage";
+ printContainer.append(page);
+ const builder = new XfaLayerBuilder({
+ pdfPage: null,
+ annotationStorage: pdfDocument.annotationStorage,
+ linkService,
+ xfaHtml: xfaPage
+ });
+ const viewport = getXfaPageViewport(xfaPage, {
+ scale
+ });
+ builder.render({
+ viewport,
+ intent: "print"
+ });
+ page.append(builder.div);
+ }
+}
+
+;// ./web/pdf_print_service.js
+
+
+let activeService = null;
+let dialog = null;
+let overlayManager = null;
+let viewerApp = {
+ initialized: false
+};
+function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise) {
+ const scratchCanvas = activeService.scratchCanvas;
+ const PRINT_UNITS = printResolution / PixelsPerInch.PDF;
+ scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
+ scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
+ const ctx = scratchCanvas.getContext("2d");
+ ctx.save();
+ ctx.fillStyle = "rgb(255, 255, 255)";
+ ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
+ ctx.restore();
+ return Promise.all([pdfDocument.getPage(pageNumber), printAnnotationStoragePromise]).then(function ([pdfPage, printAnnotationStorage]) {
+ const renderContext = {
+ canvas: scratchCanvas,
+ transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
+ viewport: pdfPage.getViewport({
+ scale: 1,
+ rotation: size.rotation
+ }),
+ intent: "print",
+ annotationMode: AnnotationMode.ENABLE_STORAGE,
+ optionalContentConfigPromise,
+ printAnnotationStorage
+ };
+ const renderTask = pdfPage.render(renderContext);
+ return renderTask.promise.catch(reason => {
+ if (!(reason instanceof RenderingCancelledException)) {
+ console.error(reason);
+ }
+ throw reason;
+ });
+ });
+}
+class PDFPrintService {
+ constructor({
+ pdfDocument,
+ pagesOverview,
+ printContainer,
+ printResolution,
+ printAnnotationStoragePromise = null
+ }) {
+ this.pdfDocument = pdfDocument;
+ this.pagesOverview = pagesOverview;
+ this.printContainer = printContainer;
+ this._printResolution = printResolution || 150;
+ this._optionalContentConfigPromise = pdfDocument.getOptionalContentConfig({
+ intent: "print"
+ });
+ this._printAnnotationStoragePromise = printAnnotationStoragePromise || Promise.resolve();
+ this.currentPage = -1;
+ this.scratchCanvas = document.createElement("canvas");
+ }
+ layout() {
+ this.throwIfInactive();
+ const body = document.querySelector("body");
+ body.setAttribute("data-pdfjsprinting", true);
+ const {
+ width,
+ height
+ } = this.pagesOverview[0];
+ const hasEqualPageSizes = this.pagesOverview.every(size => size.width === width && size.height === height);
+ if (!hasEqualPageSizes) {
+ console.warn("Not all pages have the same size. The printed result may be incorrect!");
+ }
+ this.pageStyleSheet = document.createElement("style");
+ this.pageStyleSheet.textContent = `@page { size: ${width}pt ${height}pt;}`;
+ body.append(this.pageStyleSheet);
+ }
+ destroy() {
+ if (activeService !== this) {
+ return;
+ }
+ this.printContainer.textContent = "";
+ const body = document.querySelector("body");
+ body.removeAttribute("data-pdfjsprinting");
+ if (this.pageStyleSheet) {
+ this.pageStyleSheet.remove();
+ this.pageStyleSheet = null;
+ }
+ this.scratchCanvas.width = this.scratchCanvas.height = 0;
+ this.scratchCanvas = null;
+ activeService = null;
+ ensureOverlay().then(function () {
+ overlayManager.closeIfActive(dialog);
+ });
+ }
+ renderPages() {
+ if (this.pdfDocument.isPureXfa) {
+ getXfaHtmlForPrinting(this.printContainer, this.pdfDocument);
+ return Promise.resolve();
+ }
+ const pageCount = this.pagesOverview.length;
+ const renderNextPage = (resolve, reject) => {
+ this.throwIfInactive();
+ if (++this.currentPage >= pageCount) {
+ renderProgress(pageCount, pageCount);
+ resolve();
+ return;
+ }
+ const index = this.currentPage;
+ renderProgress(index, pageCount);
+ renderPage(this, this.pdfDocument, index + 1, this.pagesOverview[index], this._printResolution, this._optionalContentConfigPromise, this._printAnnotationStoragePromise).then(this.useRenderedPage.bind(this)).then(function () {
+ renderNextPage(resolve, reject);
+ }, reject);
+ };
+ return new Promise(renderNextPage);
+ }
+ useRenderedPage() {
+ this.throwIfInactive();
+ const img = document.createElement("img");
+ this.scratchCanvas.toBlob(blob => {
+ img.src = URL.createObjectURL(blob);
+ });
+ const wrapper = document.createElement("div");
+ wrapper.className = "printedPage";
+ wrapper.append(img);
+ this.printContainer.append(wrapper);
+ const {
+ promise,
+ resolve,
+ reject
+ } = Promise.withResolvers();
+ img.onload = resolve;
+ img.onerror = reject;
+ promise.catch(() => {}).then(() => {
+ URL.revokeObjectURL(img.src);
+ });
+ return promise;
+ }
+ performPrint() {
+ this.throwIfInactive();
+ return new Promise(resolve => {
+ setTimeout(() => {
+ if (!this.active) {
+ resolve();
+ return;
+ }
+ print.call(window);
+ setTimeout(resolve, 20);
+ }, 0);
+ });
+ }
+ get active() {
+ return this === activeService;
+ }
+ throwIfInactive() {
+ if (!this.active) {
+ throw new Error("This print request was cancelled or completed.");
+ }
+ }
+}
+const print = window.print;
+window.print = function () {
+ if (activeService) {
+ console.warn("Ignored window.print() because of a pending print job.");
+ return;
+ }
+ ensureOverlay().then(function () {
+ if (activeService) {
+ overlayManager.open(dialog);
+ }
+ });
+ try {
+ dispatchEvent("beforeprint");
+ } finally {
+ if (!activeService) {
+ console.error("Expected print service to be initialized.");
+ ensureOverlay().then(function () {
+ overlayManager.closeIfActive(dialog);
+ });
+ } else {
+ const activeServiceOnEntry = activeService;
+ activeService.renderPages().then(() => activeServiceOnEntry.performPrint()).catch(() => {}).then(() => {
+ if (activeServiceOnEntry.active) {
+ abort();
+ }
+ });
+ }
+ }
+};
+function dispatchEvent(eventType) {
+ const event = new CustomEvent(eventType, {
+ bubbles: false,
+ cancelable: false,
+ detail: "custom"
+ });
+ window.dispatchEvent(event);
+}
+function abort() {
+ if (activeService) {
+ activeService.destroy();
+ dispatchEvent("afterprint");
+ }
+}
+function renderProgress(index, total) {
+ dialog ||= document.getElementById("printServiceDialog");
+ const progress = Math.round(100 * index / total);
+ const progressBar = dialog.querySelector("progress");
+ const progressPerc = dialog.querySelector(".relative-progress");
+ progressBar.value = progress;
+ progressPerc.setAttribute("data-l10n-args", JSON.stringify({
+ progress
+ }));
+}
+window.addEventListener("keydown", function (event) {
+ if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
+ window.print();
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ }
+}, true);
+if ("onbeforeprint" in window) {
+ const stopPropagationIfNeeded = function (event) {
+ if (event.detail !== "custom") {
+ event.stopImmediatePropagation();
+ }
+ };
+ window.addEventListener("beforeprint", stopPropagationIfNeeded);
+ window.addEventListener("afterprint", stopPropagationIfNeeded);
+}
+let overlayPromise;
+function ensureOverlay() {
+ if (!overlayPromise) {
+ overlayManager = viewerApp.overlayManager;
+ if (!overlayManager) {
+ throw new Error("The overlay manager has not yet been initialized.");
+ }
+ dialog ||= document.getElementById("printServiceDialog");
+ overlayPromise = overlayManager.register(dialog, true);
+ document.getElementById("printCancel").onclick = abort;
+ dialog.addEventListener("close", abort);
+ }
+ return overlayPromise;
+}
+class PDFPrintServiceFactory {
+ static initGlobals(app) {
+ viewerApp = app;
+ }
+ static get supportsPrinting() {
+ return shadow(this, "supportsPrinting", true);
+ }
+ static createPrintService(params) {
+ if (activeService) {
+ throw new Error("The print service is created and active.");
+ }
+ return activeService = new PDFPrintService(params);
+ }
+}
+
+;// ./web/pdf_rendering_queue.js
+
+
+const CLEANUP_TIMEOUT = 30000;
+class PDFRenderingQueue {
+ constructor() {
+ this.pdfViewer = null;
+ this.pdfThumbnailViewer = null;
+ this.onIdle = null;
+ this.highestPriorityPage = null;
+ this.idleTimeout = null;
+ this.printing = false;
+ this.isThumbnailViewEnabled = false;
+ Object.defineProperty(this, "hasViewer", {
+ value: () => !!this.pdfViewer
+ });
+ }
+ setViewer(pdfViewer) {
+ this.pdfViewer = pdfViewer;
+ }
+ setThumbnailViewer(pdfThumbnailViewer) {
+ this.pdfThumbnailViewer = pdfThumbnailViewer;
+ }
+ isHighestPriority(view) {
+ return this.highestPriorityPage === view.renderingId;
+ }
+ renderHighestPriority(currentlyVisiblePages) {
+ if (this.idleTimeout) {
+ clearTimeout(this.idleTimeout);
+ this.idleTimeout = null;
+ }
+ if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
+ return;
+ }
+ if (this.isThumbnailViewEnabled && this.pdfThumbnailViewer?.forceRendering()) {
+ return;
+ }
+ if (this.printing) {
+ return;
+ }
+ if (this.onIdle) {
+ this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
+ }
+ }
+ getHighestPriority(visible, views, scrolledDown, preRenderExtra = false, ignoreDetailViews = false) {
+ const visibleViews = visible.views,
+ numVisible = visibleViews.length;
+ if (numVisible === 0) {
+ return null;
+ }
+ for (let i = 0; i < numVisible; i++) {
+ const view = visibleViews[i].view;
+ if (!this.isViewFinished(view)) {
+ return view;
+ }
+ }
+ if (!ignoreDetailViews) {
+ for (let i = 0; i < numVisible; i++) {
+ const {
+ detailView
+ } = visibleViews[i].view;
+ if (detailView && !this.isViewFinished(detailView)) {
+ return detailView;
+ }
+ }
+ }
+ const firstId = visible.first.id,
+ lastId = visible.last.id;
+ if (lastId - firstId + 1 > numVisible) {
+ const visibleIds = visible.ids;
+ for (let i = 1, ii = lastId - firstId; i < ii; i++) {
+ const holeId = scrolledDown ? firstId + i : lastId - i;
+ if (visibleIds.has(holeId)) {
+ continue;
+ }
+ const holeView = views[holeId - 1];
+ if (!this.isViewFinished(holeView)) {
+ return holeView;
+ }
+ }
+ }
+ let preRenderIndex = scrolledDown ? lastId : firstId - 2;
+ let preRenderView = views[preRenderIndex];
+ if (preRenderView && !this.isViewFinished(preRenderView)) {
+ return preRenderView;
+ }
+ if (preRenderExtra) {
+ preRenderIndex += scrolledDown ? 1 : -1;
+ preRenderView = views[preRenderIndex];
+ if (preRenderView && !this.isViewFinished(preRenderView)) {
+ return preRenderView;
+ }
+ }
+ return null;
+ }
+ isViewFinished(view) {
+ return view.renderingState === RenderingStates.FINISHED;
+ }
+ renderView(view) {
+ switch (view.renderingState) {
+ case RenderingStates.FINISHED:
+ return false;
+ case RenderingStates.PAUSED:
+ this.highestPriorityPage = view.renderingId;
+ view.resume();
+ break;
+ case RenderingStates.RUNNING:
+ this.highestPriorityPage = view.renderingId;
+ break;
+ case RenderingStates.INITIAL:
+ this.highestPriorityPage = view.renderingId;
+ view.draw().finally(() => {
+ this.renderHighestPriority();
+ }).catch(reason => {
+ if (reason instanceof RenderingCancelledException) {
+ return;
+ }
+ console.error("renderView:", reason);
+ });
+ break;
+ }
+ return true;
+ }
+}
+
+;// ./web/pdf_scripting_manager.js
+
+
+class PDFScriptingManager {
+ #closeCapability = null;
+ #destroyCapability = null;
+ #docProperties = null;
+ #eventAbortController = null;
+ #eventBus = null;
+ #externalServices = null;
+ #pdfDocument = null;
+ #pdfViewer = null;
+ #ready = false;
+ #scripting = null;
+ #willPrintCapability = null;
+ constructor({
+ eventBus,
+ externalServices = null,
+ docProperties = null
+ }) {
+ this.#eventBus = eventBus;
+ this.#externalServices = externalServices;
+ this.#docProperties = docProperties;
+ }
+ setViewer(pdfViewer) {
+ this.#pdfViewer = pdfViewer;
+ }
+ async setDocument(pdfDocument) {
+ if (this.#pdfDocument) {
+ await this.#destroyScripting();
+ }
+ this.#pdfDocument = pdfDocument;
+ if (!pdfDocument) {
+ return;
+ }
+ const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]);
+ if (!objects && !docActions) {
+ await this.#destroyScripting();
+ return;
+ }
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ try {
+ this.#scripting = this.#initScripting();
+ } catch (error) {
+ console.error("setDocument:", error);
+ await this.#destroyScripting();
+ return;
+ }
+ const eventBus = this.#eventBus;
+ this.#eventAbortController = new AbortController();
+ const {
+ signal
+ } = this.#eventAbortController;
+ eventBus._on("updatefromsandbox", event => {
+ if (event?.source === window) {
+ this.#updateFromSandbox(event.detail);
+ }
+ }, {
+ signal
+ });
+ eventBus._on("dispatcheventinsandbox", event => {
+ this.#scripting?.dispatchEventInSandbox(event.detail);
+ }, {
+ signal
+ });
+ eventBus._on("pagechanging", ({
+ pageNumber,
+ previous
+ }) => {
+ if (pageNumber === previous) {
+ return;
+ }
+ this.#dispatchPageClose(previous);
+ this.#dispatchPageOpen(pageNumber);
+ }, {
+ signal
+ });
+ eventBus._on("pagerendered", ({
+ pageNumber
+ }) => {
+ if (!this._pageOpenPending.has(pageNumber)) {
+ return;
+ }
+ if (pageNumber !== this.#pdfViewer.currentPageNumber) {
+ return;
+ }
+ this.#dispatchPageOpen(pageNumber);
+ }, {
+ signal
+ });
+ eventBus._on("pagesdestroy", async () => {
+ await this.#dispatchPageClose(this.#pdfViewer.currentPageNumber);
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "WillClose"
+ });
+ this.#closeCapability?.resolve();
+ }, {
+ signal
+ });
+ try {
+ const docProperties = await this.#docProperties(pdfDocument);
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ await this.#scripting.createSandbox({
+ objects,
+ calculationOrder,
+ appInfo: {
+ platform: navigator.platform,
+ language: navigator.language
+ },
+ docInfo: {
+ ...docProperties,
+ actions: docActions
+ }
+ });
+ eventBus.dispatch("sandboxcreated", {
+ source: this
+ });
+ } catch (error) {
+ console.error("setDocument:", error);
+ await this.#destroyScripting();
+ return;
+ }
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "Open"
+ });
+ await this.#dispatchPageOpen(this.#pdfViewer.currentPageNumber, true);
+ Promise.resolve().then(() => {
+ if (pdfDocument === this.#pdfDocument) {
+ this.#ready = true;
+ }
+ });
+ }
+ async dispatchWillSave() {
+ return this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "WillSave"
+ });
+ }
+ async dispatchDidSave() {
+ return this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "DidSave"
+ });
+ }
+ async dispatchWillPrint() {
+ if (!this.#scripting) {
+ return;
+ }
+ await this.#willPrintCapability?.promise;
+ this.#willPrintCapability = Promise.withResolvers();
+ try {
+ await this.#scripting.dispatchEventInSandbox({
+ id: "doc",
+ name: "WillPrint"
+ });
+ } catch (ex) {
+ this.#willPrintCapability.resolve();
+ this.#willPrintCapability = null;
+ throw ex;
+ }
+ await this.#willPrintCapability.promise;
+ }
+ async dispatchDidPrint() {
+ return this.#scripting?.dispatchEventInSandbox({
+ id: "doc",
+ name: "DidPrint"
+ });
+ }
+ get destroyPromise() {
+ return this.#destroyCapability?.promise || null;
+ }
+ get ready() {
+ return this.#ready;
+ }
+ get _pageOpenPending() {
+ return shadow(this, "_pageOpenPending", new Set());
+ }
+ get _visitedPages() {
+ return shadow(this, "_visitedPages", new Map());
+ }
+ async #updateFromSandbox(detail) {
+ const pdfViewer = this.#pdfViewer;
+ const isInPresentationMode = pdfViewer.isInPresentationMode || pdfViewer.isChangingPresentationMode;
+ const {
+ id,
+ siblings,
+ command,
+ value
+ } = detail;
+ if (!id) {
+ switch (command) {
+ case "clear":
+ console.clear();
+ break;
+ case "error":
+ console.error(value);
+ break;
+ case "layout":
+ if (!isInPresentationMode) {
+ const modes = apiPageLayoutToViewerModes(value);
+ pdfViewer.spreadMode = modes.spreadMode;
+ }
+ break;
+ case "page-num":
+ pdfViewer.currentPageNumber = value + 1;
+ break;
+ case "print":
+ await pdfViewer.pagesPromise;
+ this.#eventBus.dispatch("print", {
+ source: this
+ });
+ break;
+ case "println":
+ console.log(value);
+ break;
+ case "zoom":
+ if (!isInPresentationMode) {
+ pdfViewer.currentScaleValue = value;
+ }
+ break;
+ case "SaveAs":
+ this.#eventBus.dispatch("download", {
+ source: this
+ });
+ break;
+ case "FirstPage":
+ pdfViewer.currentPageNumber = 1;
+ break;
+ case "LastPage":
+ pdfViewer.currentPageNumber = pdfViewer.pagesCount;
+ break;
+ case "NextPage":
+ pdfViewer.nextPage();
+ break;
+ case "PrevPage":
+ pdfViewer.previousPage();
+ break;
+ case "ZoomViewIn":
+ if (!isInPresentationMode) {
+ pdfViewer.increaseScale();
+ }
+ break;
+ case "ZoomViewOut":
+ if (!isInPresentationMode) {
+ pdfViewer.decreaseScale();
+ }
+ break;
+ case "WillPrintFinished":
+ this.#willPrintCapability?.resolve();
+ this.#willPrintCapability = null;
+ break;
+ }
+ return;
+ }
+ if (isInPresentationMode && detail.focus) {
+ return;
+ }
+ delete detail.id;
+ delete detail.siblings;
+ const ids = siblings ? [id, ...siblings] : [id];
+ for (const elementId of ids) {
+ const element = document.querySelector(`[data-element-id="${elementId}"]`);
+ if (element) {
+ element.dispatchEvent(new CustomEvent("updatefromsandbox", {
+ detail
+ }));
+ } else {
+ this.#pdfDocument?.annotationStorage.setValue(elementId, detail);
+ }
+ }
+ }
+ async #dispatchPageOpen(pageNumber, initialize = false) {
+ const pdfDocument = this.#pdfDocument,
+ visitedPages = this._visitedPages;
+ if (initialize) {
+ this.#closeCapability = Promise.withResolvers();
+ }
+ if (!this.#closeCapability) {
+ return;
+ }
+ const pageView = this.#pdfViewer.getPageView(pageNumber - 1);
+ if (pageView?.renderingState !== RenderingStates.FINISHED) {
+ this._pageOpenPending.add(pageNumber);
+ return;
+ }
+ this._pageOpenPending.delete(pageNumber);
+ const actionsPromise = (async () => {
+ const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null);
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "page",
+ name: "PageOpen",
+ pageNumber,
+ actions
+ });
+ })();
+ visitedPages.set(pageNumber, actionsPromise);
+ }
+ async #dispatchPageClose(pageNumber) {
+ const pdfDocument = this.#pdfDocument,
+ visitedPages = this._visitedPages;
+ if (!this.#closeCapability) {
+ return;
+ }
+ if (this._pageOpenPending.has(pageNumber)) {
+ return;
+ }
+ const actionsPromise = visitedPages.get(pageNumber);
+ if (!actionsPromise) {
+ return;
+ }
+ visitedPages.set(pageNumber, null);
+ await actionsPromise;
+ if (pdfDocument !== this.#pdfDocument) {
+ return;
+ }
+ await this.#scripting?.dispatchEventInSandbox({
+ id: "page",
+ name: "PageClose",
+ pageNumber
+ });
+ }
+ #initScripting() {
+ this.#destroyCapability = Promise.withResolvers();
+ if (this.#scripting) {
+ throw new Error("#initScripting: Scripting already exists.");
+ }
+ return this.#externalServices.createScripting();
+ }
+ async #destroyScripting() {
+ if (!this.#scripting) {
+ this.#pdfDocument = null;
+ this.#destroyCapability?.resolve();
+ return;
+ }
+ if (this.#closeCapability) {
+ await Promise.race([this.#closeCapability.promise, new Promise(resolve => {
+ setTimeout(resolve, 1000);
+ })]).catch(() => {});
+ this.#closeCapability = null;
+ }
+ this.#pdfDocument = null;
+ try {
+ await this.#scripting.destroySandbox();
+ } catch {}
+ this.#willPrintCapability?.reject(new Error("Scripting destroyed."));
+ this.#willPrintCapability = null;
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ this._pageOpenPending.clear();
+ this._visitedPages.clear();
+ this.#scripting = null;
+ this.#ready = false;
+ this.#destroyCapability?.resolve();
+ }
+}
+
+;// ./web/pdf_sidebar.js
+
+const SIDEBAR_WIDTH_VAR = "--sidebar-width";
+const SIDEBAR_MIN_WIDTH = 200;
+const SIDEBAR_RESIZING_CLASS = "sidebarResizing";
+const UI_NOTIFICATION_CLASS = "pdfSidebarNotification";
+class PDFSidebar {
+ #isRTL = false;
+ #mouseAC = null;
+ #outerContainerWidth = null;
+ #width = null;
+ constructor({
+ elements,
+ eventBus,
+ l10n
+ }) {
+ this.isOpen = false;
+ this.active = SidebarView.THUMBS;
+ this.isInitialViewSet = false;
+ this.isInitialEventDispatched = false;
+ this.onToggled = null;
+ this.onUpdateThumbnails = null;
+ this.outerContainer = elements.outerContainer;
+ this.sidebarContainer = elements.sidebarContainer;
+ this.toggleButton = elements.toggleButton;
+ this.resizer = elements.resizer;
+ this.thumbnailButton = elements.thumbnailButton;
+ this.outlineButton = elements.outlineButton;
+ this.attachmentsButton = elements.attachmentsButton;
+ this.layersButton = elements.layersButton;
+ this.thumbnailView = elements.thumbnailView;
+ this.outlineView = elements.outlineView;
+ this.attachmentsView = elements.attachmentsView;
+ this.layersView = elements.layersView;
+ this._currentOutlineItemButton = elements.currentOutlineItemButton;
+ this.eventBus = eventBus;
+ this.#isRTL = l10n.getDirection() === "rtl";
+ this.#addEventListeners();
+ }
+ reset() {
+ this.isInitialViewSet = false;
+ this.isInitialEventDispatched = false;
+ this.#hideUINotification(true);
+ this.switchView(SidebarView.THUMBS);
+ this.outlineButton.disabled = false;
+ this.attachmentsButton.disabled = false;
+ this.layersButton.disabled = false;
+ this._currentOutlineItemButton.disabled = true;
+ }
+ get visibleView() {
+ return this.isOpen ? this.active : SidebarView.NONE;
+ }
+ setInitialView(view = SidebarView.NONE) {
+ if (this.isInitialViewSet) {
+ return;
+ }
+ this.isInitialViewSet = true;
+ if (view === SidebarView.NONE || view === SidebarView.UNKNOWN) {
+ this.#dispatchEvent();
+ return;
+ }
+ this.switchView(view, true);
+ if (!this.isInitialEventDispatched) {
+ this.#dispatchEvent();
+ }
+ }
+ switchView(view, forceOpen = false) {
+ const isViewChanged = view !== this.active;
+ let forceRendering = false;
+ switch (view) {
+ case SidebarView.NONE:
+ if (this.isOpen) {
+ this.close();
+ }
+ return;
+ case SidebarView.THUMBS:
+ if (this.isOpen && isViewChanged) {
+ forceRendering = true;
+ }
+ break;
+ case SidebarView.OUTLINE:
+ if (this.outlineButton.disabled) {
+ return;
+ }
+ break;
+ case SidebarView.ATTACHMENTS:
+ if (this.attachmentsButton.disabled) {
+ return;
+ }
+ break;
+ case SidebarView.LAYERS:
+ if (this.layersButton.disabled) {
+ return;
+ }
+ break;
+ default:
+ console.error(`PDFSidebar.switchView: "${view}" is not a valid view.`);
+ return;
+ }
+ this.active = view;
+ toggleCheckedBtn(this.thumbnailButton, view === SidebarView.THUMBS, this.thumbnailView);
+ toggleCheckedBtn(this.outlineButton, view === SidebarView.OUTLINE, this.outlineView);
+ toggleCheckedBtn(this.attachmentsButton, view === SidebarView.ATTACHMENTS, this.attachmentsView);
+ toggleCheckedBtn(this.layersButton, view === SidebarView.LAYERS, this.layersView);
+ if (forceOpen && !this.isOpen) {
+ this.open();
+ return;
+ }
+ if (forceRendering) {
+ this.onUpdateThumbnails();
+ this.onToggled();
+ }
+ if (isViewChanged) {
+ this.#dispatchEvent();
+ }
+ }
+ open() {
+ if (this.isOpen) {
+ return;
+ }
+ this.isOpen = true;
+ toggleExpandedBtn(this.toggleButton, true);
+ this.outerContainer.classList.add("sidebarMoving", "sidebarOpen");
+ if (this.active === SidebarView.THUMBS) {
+ this.onUpdateThumbnails();
+ }
+ this.onToggled();
+ this.#dispatchEvent();
+ this.#hideUINotification();
+ }
+ close(evt = null) {
+ if (!this.isOpen) {
+ return;
+ }
+ this.isOpen = false;
+ toggleExpandedBtn(this.toggleButton, false);
+ this.outerContainer.classList.add("sidebarMoving");
+ this.outerContainer.classList.remove("sidebarOpen");
+ this.onToggled();
+ this.#dispatchEvent();
+ if (evt?.detail > 0) {
+ this.toggleButton.blur();
+ }
+ }
+ toggle(evt = null) {
+ if (this.isOpen) {
+ this.close(evt);
+ } else {
+ this.open();
+ }
+ }
+ #dispatchEvent() {
+ if (this.isInitialViewSet) {
+ this.isInitialEventDispatched ||= true;
+ }
+ this.eventBus.dispatch("sidebarviewchanged", {
+ source: this,
+ view: this.visibleView
+ });
+ }
+ #showUINotification() {
+ this.toggleButton.setAttribute("data-l10n-id", "pdfjs-toggle-sidebar-notification-button");
+ if (!this.isOpen) {
+ this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
+ }
+ }
+ #hideUINotification(reset = false) {
+ if (this.isOpen || reset) {
+ this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
+ }
+ if (reset) {
+ this.toggleButton.setAttribute("data-l10n-id", "pdfjs-toggle-sidebar-button");
+ }
+ }
+ #addEventListeners() {
+ const {
+ eventBus,
+ outerContainer
+ } = this;
+ this.sidebarContainer.addEventListener("transitionend", evt => {
+ if (evt.target === this.sidebarContainer) {
+ outerContainer.classList.remove("sidebarMoving");
+ eventBus.dispatch("resize", {
+ source: this
+ });
+ }
+ });
+ this.toggleButton.addEventListener("click", evt => {
+ this.toggle(evt);
+ });
+ this.thumbnailButton.addEventListener("click", () => {
+ this.switchView(SidebarView.THUMBS);
+ });
+ this.outlineButton.addEventListener("click", () => {
+ this.switchView(SidebarView.OUTLINE);
+ });
+ this.outlineButton.addEventListener("dblclick", () => {
+ eventBus.dispatch("toggleoutlinetree", {
+ source: this
+ });
+ });
+ this.attachmentsButton.addEventListener("click", () => {
+ this.switchView(SidebarView.ATTACHMENTS);
+ });
+ this.layersButton.addEventListener("click", () => {
+ this.switchView(SidebarView.LAYERS);
+ });
+ this.layersButton.addEventListener("dblclick", () => {
+ eventBus.dispatch("resetlayers", {
+ source: this
+ });
+ });
+ this._currentOutlineItemButton.addEventListener("click", () => {
+ eventBus.dispatch("currentoutlineitem", {
+ source: this
+ });
+ });
+ const onTreeLoaded = (count, button, view) => {
+ button.disabled = !count;
+ if (count) {
+ this.#showUINotification();
+ } else if (this.active === view) {
+ this.switchView(SidebarView.THUMBS);
+ }
+ };
+ eventBus._on("outlineloaded", evt => {
+ onTreeLoaded(evt.outlineCount, this.outlineButton, SidebarView.OUTLINE);
+ evt.currentOutlineItemPromise.then(enabled => {
+ if (!this.isInitialViewSet) {
+ return;
+ }
+ this._currentOutlineItemButton.disabled = !enabled;
+ });
+ });
+ eventBus._on("attachmentsloaded", evt => {
+ onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, SidebarView.ATTACHMENTS);
+ });
+ eventBus._on("layersloaded", evt => {
+ onTreeLoaded(evt.layersCount, this.layersButton, SidebarView.LAYERS);
+ });
+ eventBus._on("presentationmodechanged", evt => {
+ if (evt.state === PresentationModeState.NORMAL && this.visibleView === SidebarView.THUMBS) {
+ this.onUpdateThumbnails();
+ }
+ });
+ this.resizer.addEventListener("mousedown", evt => {
+ if (evt.button !== 0) {
+ return;
+ }
+ outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
+ this.#mouseAC = new AbortController();
+ const opts = {
+ signal: this.#mouseAC.signal
+ };
+ window.addEventListener("mousemove", this.#mouseMove.bind(this), opts);
+ window.addEventListener("mouseup", this.#mouseUp.bind(this), opts);
+ window.addEventListener("blur", this.#mouseUp.bind(this), opts);
+ });
+ eventBus._on("resize", evt => {
+ if (evt.source !== window) {
+ return;
+ }
+ this.#outerContainerWidth = null;
+ if (!this.#width) {
+ return;
+ }
+ if (!this.isOpen) {
+ this.#updateWidth(this.#width);
+ return;
+ }
+ outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
+ const updated = this.#updateWidth(this.#width);
+ Promise.resolve().then(() => {
+ outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
+ if (updated) {
+ eventBus.dispatch("resize", {
+ source: this
+ });
+ }
+ });
+ });
+ }
+ get outerContainerWidth() {
+ return this.#outerContainerWidth ||= this.outerContainer.clientWidth;
+ }
+ #updateWidth(width = 0) {
+ const maxWidth = Math.floor(this.outerContainerWidth / 2);
+ if (width > maxWidth) {
+ width = maxWidth;
+ }
+ if (width < SIDEBAR_MIN_WIDTH) {
+ width = SIDEBAR_MIN_WIDTH;
+ }
+ if (width === this.#width) {
+ return false;
+ }
+ this.#width = width;
+ docStyle.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`);
+ return true;
+ }
+ #mouseMove(evt) {
+ let width = evt.clientX;
+ if (this.#isRTL) {
+ width = this.outerContainerWidth - width;
+ }
+ this.#updateWidth(width);
+ }
+ #mouseUp(evt) {
+ this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
+ this.eventBus.dispatch("resize", {
+ source: this
+ });
+ this.#mouseAC?.abort();
+ this.#mouseAC = null;
+ }
+}
+
+;// ./web/pdf_thumbnail_view.js
+
+
+
+const DRAW_UPSCALE_FACTOR = 2;
+const MAX_NUM_SCALING_STEPS = 3;
+const THUMBNAIL_WIDTH = 98;
+function zeroCanvas(c) {
+ c.width = 0;
+ c.height = 0;
+}
+class TempImageFactory {
+ static #tempCanvas = null;
+ static getCanvas(width, height) {
+ const tempCanvas = this.#tempCanvas ||= document.createElement("canvas");
+ tempCanvas.width = width;
+ tempCanvas.height = height;
+ const ctx = tempCanvas.getContext("2d", {
+ alpha: false
+ });
+ ctx.save();
+ ctx.fillStyle = "rgb(255, 255, 255)";
+ ctx.fillRect(0, 0, width, height);
+ ctx.restore();
+ return [tempCanvas, tempCanvas.getContext("2d")];
+ }
+ static destroyCanvas() {
+ if (this.#tempCanvas) {
+ zeroCanvas(this.#tempCanvas);
+ }
+ this.#tempCanvas = null;
+ }
+}
+class PDFThumbnailView {
+ constructor({
+ container,
+ eventBus,
+ id,
+ defaultViewport,
+ optionalContentConfigPromise,
+ linkService,
+ renderingQueue,
+ maxCanvasPixels,
+ maxCanvasDim,
+ pageColors
+ }) {
+ this.id = id;
+ this.renderingId = "thumbnail" + id;
+ this.pageLabel = null;
+ this.pdfPage = null;
+ this.rotation = 0;
+ this.viewport = defaultViewport;
+ this.pdfPageRotate = defaultViewport.rotation;
+ this._optionalContentConfigPromise = optionalContentConfigPromise || null;
+ this.maxCanvasPixels = maxCanvasPixels ?? AppOptions.get("maxCanvasPixels");
+ this.maxCanvasDim = maxCanvasDim || AppOptions.get("maxCanvasDim");
+ this.pageColors = pageColors || null;
+ this.eventBus = eventBus;
+ this.linkService = linkService;
+ this.renderingQueue = renderingQueue;
+ this.renderTask = null;
+ this.renderingState = RenderingStates.INITIAL;
+ this.resume = null;
+ const anchor = document.createElement("a");
+ anchor.href = linkService.getAnchorUrl("#page=" + id);
+ anchor.setAttribute("data-l10n-id", "pdfjs-thumb-page-title");
+ anchor.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ anchor.onclick = function () {
+ linkService.goToPage(id);
+ return false;
+ };
+ this.anchor = anchor;
+ const div = document.createElement("div");
+ div.className = "thumbnail";
+ div.setAttribute("data-page-number", this.id);
+ this.div = div;
+ this.#updateDims();
+ const img = document.createElement("div");
+ img.className = "thumbnailImage";
+ this._placeholderImg = img;
+ div.append(img);
+ anchor.append(div);
+ container.append(anchor);
+ }
+ #updateDims() {
+ const {
+ width,
+ height
+ } = this.viewport;
+ const ratio = width / height;
+ this.canvasWidth = THUMBNAIL_WIDTH;
+ this.canvasHeight = this.canvasWidth / ratio | 0;
+ this.scale = this.canvasWidth / width;
+ const {
+ style
+ } = this.div;
+ style.setProperty("--thumbnail-width", `${this.canvasWidth}px`);
+ style.setProperty("--thumbnail-height", `${this.canvasHeight}px`);
+ }
+ setPdfPage(pdfPage) {
+ this.pdfPage = pdfPage;
+ this.pdfPageRotate = pdfPage.rotate;
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = pdfPage.getViewport({
+ scale: 1,
+ rotation: totalRotation
+ });
+ this.reset();
+ }
+ reset() {
+ this.cancelRendering();
+ this.renderingState = RenderingStates.INITIAL;
+ this.div.removeAttribute("data-loaded");
+ this.image?.replaceWith(this._placeholderImg);
+ this.#updateDims();
+ if (this.image) {
+ this.image.removeAttribute("src");
+ delete this.image;
+ }
+ }
+ update({
+ rotation = null
+ }) {
+ if (typeof rotation === "number") {
+ this.rotation = rotation;
+ }
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = this.viewport.clone({
+ scale: 1,
+ rotation: totalRotation
+ });
+ this.reset();
+ }
+ cancelRendering() {
+ if (this.renderTask) {
+ this.renderTask.cancel();
+ this.renderTask = null;
+ }
+ this.resume = null;
+ }
+ #getPageDrawContext(upscaleFactor = 1) {
+ const canvas = document.createElement("canvas");
+ const outputScale = new OutputScale();
+ const width = upscaleFactor * this.canvasWidth,
+ height = upscaleFactor * this.canvasHeight;
+ outputScale.limitCanvas(width, height, this.maxCanvasPixels, this.maxCanvasDim);
+ canvas.width = width * outputScale.sx | 0;
+ canvas.height = height * outputScale.sy | 0;
+ const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
+ return {
+ canvas,
+ transform
+ };
+ }
+ #convertCanvasToImage(canvas) {
+ if (this.renderingState !== RenderingStates.FINISHED) {
+ throw new Error("#convertCanvasToImage: Rendering has not finished.");
+ }
+ const reducedCanvas = this.#reduceImage(canvas);
+ const image = document.createElement("img");
+ image.className = "thumbnailImage";
+ image.setAttribute("data-l10n-id", "pdfjs-thumb-page-canvas");
+ image.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ image.src = reducedCanvas.toDataURL();
+ this.image = image;
+ this.div.setAttribute("data-loaded", true);
+ this._placeholderImg.replaceWith(image);
+ zeroCanvas(reducedCanvas);
+ }
+ async draw() {
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ console.error("Must be in new state before drawing");
+ return;
+ }
+ const {
+ pageColors,
+ pdfPage
+ } = this;
+ if (!pdfPage) {
+ this.renderingState = RenderingStates.FINISHED;
+ throw new Error("pdfPage is not loaded");
+ }
+ this.renderingState = RenderingStates.RUNNING;
+ const {
+ canvas,
+ transform
+ } = this.#getPageDrawContext(DRAW_UPSCALE_FACTOR);
+ const drawViewport = this.viewport.clone({
+ scale: DRAW_UPSCALE_FACTOR * this.scale
+ });
+ const renderContinueCallback = cont => {
+ if (!this.renderingQueue.isHighestPriority(this)) {
+ this.renderingState = RenderingStates.PAUSED;
+ this.resume = () => {
+ this.renderingState = RenderingStates.RUNNING;
+ cont();
+ };
+ return;
+ }
+ cont();
+ };
+ const renderContext = {
+ canvas,
+ transform,
+ viewport: drawViewport,
+ optionalContentConfigPromise: this._optionalContentConfigPromise,
+ pageColors
+ };
+ const renderTask = this.renderTask = pdfPage.render(renderContext);
+ renderTask.onContinue = renderContinueCallback;
+ let error = null;
+ try {
+ await renderTask.promise;
+ } catch (e) {
+ if (e instanceof RenderingCancelledException) {
+ zeroCanvas(canvas);
+ return;
+ }
+ error = e;
+ } finally {
+ if (renderTask === this.renderTask) {
+ this.renderTask = null;
+ }
+ }
+ this.renderingState = RenderingStates.FINISHED;
+ this.#convertCanvasToImage(canvas);
+ zeroCanvas(canvas);
+ this.eventBus.dispatch("thumbnailrendered", {
+ source: this,
+ pageNumber: this.id,
+ pdfPage
+ });
+ if (error) {
+ throw error;
+ }
+ }
+ setImage(pageView) {
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ return;
+ }
+ const {
+ thumbnailCanvas: canvas,
+ pdfPage,
+ scale
+ } = pageView;
+ if (!canvas) {
+ return;
+ }
+ if (!this.pdfPage) {
+ this.setPdfPage(pdfPage);
+ }
+ if (scale < this.scale) {
+ return;
+ }
+ this.renderingState = RenderingStates.FINISHED;
+ this.#convertCanvasToImage(canvas);
+ }
+ #getReducedImageDims(canvas) {
+ const width = canvas.width << MAX_NUM_SCALING_STEPS,
+ height = canvas.height << MAX_NUM_SCALING_STEPS;
+ const outputScale = new OutputScale();
+ outputScale.sx = outputScale.sy = 1;
+ outputScale.limitCanvas(width, height, this.maxCanvasPixels, this.maxCanvasDim);
+ return [width * outputScale.sx | 0, height * outputScale.sy | 0];
+ }
+ #reduceImage(img) {
+ const {
+ canvas
+ } = this.#getPageDrawContext(1);
+ const ctx = canvas.getContext("2d", {
+ alpha: false,
+ willReadFrequently: false
+ });
+ if (img.width <= 2 * canvas.width) {
+ ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
+ return canvas;
+ }
+ let [reducedWidth, reducedHeight] = this.#getReducedImageDims(canvas);
+ const [reducedImage, reducedImageCtx] = TempImageFactory.getCanvas(reducedWidth, reducedHeight);
+ while (reducedWidth > img.width || reducedHeight > img.height) {
+ reducedWidth >>= 1;
+ reducedHeight >>= 1;
+ }
+ reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
+ while (reducedWidth > 2 * canvas.width) {
+ reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
+ reducedWidth >>= 1;
+ reducedHeight >>= 1;
+ }
+ ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
+ return canvas;
+ }
+ get #pageL10nArgs() {
+ return JSON.stringify({
+ page: this.pageLabel ?? this.id
+ });
+ }
+ setPageLabel(label) {
+ this.pageLabel = typeof label === "string" ? label : null;
+ this.anchor.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ if (this.renderingState !== RenderingStates.FINISHED) {
+ return;
+ }
+ this.image?.setAttribute("data-l10n-args", this.#pageL10nArgs);
+ }
+}
+
+;// ./web/pdf_thumbnail_viewer.js
+
+
+const THUMBNAIL_SCROLL_MARGIN = -19;
+const THUMBNAIL_SELECTED_CLASS = "selected";
+class PDFThumbnailViewer {
+ constructor({
+ container,
+ eventBus,
+ linkService,
+ renderingQueue,
+ maxCanvasPixels,
+ maxCanvasDim,
+ pageColors,
+ abortSignal,
+ enableHWA
+ }) {
+ this.container = container;
+ this.eventBus = eventBus;
+ this.linkService = linkService;
+ this.renderingQueue = renderingQueue;
+ this.maxCanvasPixels = maxCanvasPixels;
+ this.maxCanvasDim = maxCanvasDim;
+ this.pageColors = pageColors || null;
+ this.enableHWA = enableHWA || false;
+ this.scroll = watchScroll(this.container, this.#scrollUpdated.bind(this), abortSignal);
+ this.#resetView();
+ }
+ #scrollUpdated() {
+ this.renderingQueue.renderHighestPriority();
+ }
+ getThumbnail(index) {
+ return this._thumbnails[index];
+ }
+ #getVisibleThumbs() {
+ return getVisibleElements({
+ scrollEl: this.container,
+ views: this._thumbnails
+ });
+ }
+ scrollThumbnailIntoView(pageNumber) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const thumbnailView = this._thumbnails[pageNumber - 1];
+ if (!thumbnailView) {
+ console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
+ return;
+ }
+ if (pageNumber !== this._currentPageNumber) {
+ const prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
+ prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
+ thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
+ }
+ const {
+ first,
+ last,
+ views
+ } = this.#getVisibleThumbs();
+ if (views.length > 0) {
+ let shouldScroll = false;
+ if (pageNumber <= first.id || pageNumber >= last.id) {
+ shouldScroll = true;
+ } else {
+ for (const {
+ id,
+ percent
+ } of views) {
+ if (id !== pageNumber) {
+ continue;
+ }
+ shouldScroll = percent < 100;
+ break;
+ }
+ }
+ if (shouldScroll) {
+ scrollIntoView(thumbnailView.div, {
+ top: THUMBNAIL_SCROLL_MARGIN
+ });
+ }
+ }
+ this._currentPageNumber = pageNumber;
+ }
+ get pagesRotation() {
+ return this._pagesRotation;
+ }
+ set pagesRotation(rotation) {
+ if (!isValidRotation(rotation)) {
+ throw new Error("Invalid thumbnails rotation angle.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (this._pagesRotation === rotation) {
+ return;
+ }
+ this._pagesRotation = rotation;
+ const updateArgs = {
+ rotation
+ };
+ for (const thumbnail of this._thumbnails) {
+ thumbnail.update(updateArgs);
+ }
+ }
+ cleanup() {
+ for (const thumbnail of this._thumbnails) {
+ if (thumbnail.renderingState !== RenderingStates.FINISHED) {
+ thumbnail.reset();
+ }
+ }
+ TempImageFactory.destroyCanvas();
+ }
+ #resetView() {
+ this._thumbnails = [];
+ this._currentPageNumber = 1;
+ this._pageLabels = null;
+ this._pagesRotation = 0;
+ this.container.textContent = "";
+ }
+ setDocument(pdfDocument) {
+ if (this.pdfDocument) {
+ this.#cancelRendering();
+ this.#resetView();
+ }
+ this.pdfDocument = pdfDocument;
+ if (!pdfDocument) {
+ return;
+ }
+ const firstPagePromise = pdfDocument.getPage(1);
+ const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ });
+ firstPagePromise.then(firstPdfPage => {
+ const pagesCount = pdfDocument.numPages;
+ const viewport = firstPdfPage.getViewport({
+ scale: 1
+ });
+ for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
+ const thumbnail = new PDFThumbnailView({
+ container: this.container,
+ eventBus: this.eventBus,
+ id: pageNum,
+ defaultViewport: viewport.clone(),
+ optionalContentConfigPromise,
+ linkService: this.linkService,
+ renderingQueue: this.renderingQueue,
+ maxCanvasPixels: this.maxCanvasPixels,
+ maxCanvasDim: this.maxCanvasDim,
+ pageColors: this.pageColors,
+ enableHWA: this.enableHWA
+ });
+ this._thumbnails.push(thumbnail);
+ }
+ this._thumbnails[0]?.setPdfPage(firstPdfPage);
+ const thumbnailView = this._thumbnails[this._currentPageNumber - 1];
+ thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
+ }).catch(reason => {
+ console.error("Unable to initialize thumbnail viewer", reason);
+ });
+ }
+ #cancelRendering() {
+ for (const thumbnail of this._thumbnails) {
+ thumbnail.cancelRendering();
+ }
+ }
+ setPageLabels(labels) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!labels) {
+ this._pageLabels = null;
+ } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
+ this._pageLabels = null;
+ console.error("PDFThumbnailViewer_setPageLabels: Invalid page labels.");
+ } else {
+ this._pageLabels = labels;
+ }
+ for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
+ this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null);
+ }
+ }
+ async #ensurePdfPageLoaded(thumbView) {
+ if (thumbView.pdfPage) {
+ return thumbView.pdfPage;
+ }
+ try {
+ const pdfPage = await this.pdfDocument.getPage(thumbView.id);
+ if (!thumbView.pdfPage) {
+ thumbView.setPdfPage(pdfPage);
+ }
+ return pdfPage;
+ } catch (reason) {
+ console.error("Unable to get page for thumb view", reason);
+ return null;
+ }
+ }
+ #getScrollAhead(visible) {
+ if (visible.first?.id === 1) {
+ return true;
+ } else if (visible.last?.id === this._thumbnails.length) {
+ return false;
+ }
+ return this.scroll.down;
+ }
+ forceRendering() {
+ const visibleThumbs = this.#getVisibleThumbs();
+ const scrollAhead = this.#getScrollAhead(visibleThumbs);
+ const thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, scrollAhead, false, true);
+ if (thumbView) {
+ this.#ensurePdfPageLoaded(thumbView).then(() => {
+ this.renderingQueue.renderView(thumbView);
+ });
+ return true;
+ }
+ return false;
+ }
+}
+
+;// ./web/annotation_editor_layer_builder.js
+
+
+class AnnotationEditorLayerBuilder {
+ #annotationLayer = null;
+ #drawLayer = null;
+ #onAppend = null;
+ #structTreeLayer = null;
+ #textLayer = null;
+ #uiManager;
+ constructor(options) {
+ this.pdfPage = options.pdfPage;
+ this.accessibilityManager = options.accessibilityManager;
+ this.l10n = options.l10n;
+ this.l10n ||= new genericl10n_GenericL10n();
+ this.annotationEditorLayer = null;
+ this.div = null;
+ this._cancelled = false;
+ this.#uiManager = options.uiManager;
+ this.#annotationLayer = options.annotationLayer || null;
+ this.#textLayer = options.textLayer || null;
+ this.#drawLayer = options.drawLayer || null;
+ this.#onAppend = options.onAppend || null;
+ this.#structTreeLayer = options.structTreeLayer || null;
+ }
+ async render({
+ viewport,
+ intent = "display"
+ }) {
+ if (intent !== "display") {
+ return;
+ }
+ if (this._cancelled) {
+ return;
+ }
+ const clonedViewport = viewport.clone({
+ dontFlip: true
+ });
+ if (this.div) {
+ this.annotationEditorLayer.update({
+ viewport: clonedViewport
+ });
+ this.show();
+ return;
+ }
+ const div = this.div = document.createElement("div");
+ div.className = "annotationEditorLayer";
+ div.hidden = true;
+ div.dir = this.#uiManager.direction;
+ this.#onAppend?.(div);
+ this.annotationEditorLayer = new AnnotationEditorLayer({
+ uiManager: this.#uiManager,
+ div,
+ structTreeLayer: this.#structTreeLayer,
+ accessibilityManager: this.accessibilityManager,
+ pageIndex: this.pdfPage.pageNumber - 1,
+ l10n: this.l10n,
+ viewport: clonedViewport,
+ annotationLayer: this.#annotationLayer,
+ textLayer: this.#textLayer,
+ drawLayer: this.#drawLayer
+ });
+ const parameters = {
+ viewport: clonedViewport,
+ div,
+ annotations: null,
+ intent
+ };
+ this.annotationEditorLayer.render(parameters);
+ this.show();
+ }
+ cancel() {
+ this._cancelled = true;
+ if (!this.div) {
+ return;
+ }
+ this.annotationEditorLayer.destroy();
+ }
+ hide() {
+ if (!this.div) {
+ return;
+ }
+ this.annotationEditorLayer.pause(true);
+ this.div.hidden = true;
+ }
+ show() {
+ if (!this.div || this.annotationEditorLayer.isInvisible) {
+ return;
+ }
+ this.div.hidden = false;
+ this.annotationEditorLayer.pause(false);
+ }
+}
+
+;// ./web/annotation_layer_builder.js
+
+
+class AnnotationLayerBuilder {
+ #annotations = null;
+ #commentManager = null;
+ #externalHide = false;
+ #onAppend = null;
+ #eventAbortController = null;
+ #linksInjected = false;
+ constructor({
+ pdfPage,
+ linkService,
+ downloadManager,
+ annotationStorage = null,
+ imageResourcesPath = "",
+ renderForms = true,
+ enableComment = false,
+ commentManager = null,
+ enableScripting = false,
+ hasJSActionsPromise = null,
+ fieldObjectsPromise = null,
+ annotationCanvasMap = null,
+ accessibilityManager = null,
+ annotationEditorUIManager = null,
+ onAppend = null
+ }) {
+ this.pdfPage = pdfPage;
+ this.linkService = linkService;
+ this.downloadManager = downloadManager;
+ this.imageResourcesPath = imageResourcesPath;
+ this.renderForms = renderForms;
+ this.annotationStorage = annotationStorage;
+ this.enableComment = enableComment;
+ this.#commentManager = commentManager;
+ this.enableScripting = enableScripting;
+ this._hasJSActionsPromise = hasJSActionsPromise || Promise.resolve(false);
+ this._fieldObjectsPromise = fieldObjectsPromise || Promise.resolve(null);
+ this._annotationCanvasMap = annotationCanvasMap;
+ this._accessibilityManager = accessibilityManager;
+ this._annotationEditorUIManager = annotationEditorUIManager;
+ this.#onAppend = onAppend;
+ this.annotationLayer = null;
+ this.div = null;
+ this._cancelled = false;
+ this._eventBus = linkService.eventBus;
+ }
+ async render({
+ viewport,
+ intent = "display",
+ structTreeLayer = null
+ }) {
+ if (this.div) {
+ if (this._cancelled || !this.annotationLayer) {
+ return;
+ }
+ this.annotationLayer.update({
+ viewport: viewport.clone({
+ dontFlip: true
+ })
+ });
+ return;
+ }
+ const [annotations, hasJSActions, fieldObjects] = await Promise.all([this.pdfPage.getAnnotations({
+ intent
+ }), this._hasJSActionsPromise, this._fieldObjectsPromise]);
+ if (this._cancelled) {
+ return;
+ }
+ const div = this.div = document.createElement("div");
+ div.className = "annotationLayer";
+ this.#onAppend?.(div);
+ this.#initAnnotationLayer(viewport, structTreeLayer);
+ if (annotations.length === 0) {
+ this.#annotations = annotations;
+ setLayerDimensions(this.div, viewport);
+ return;
+ }
+ await this.annotationLayer.render({
+ annotations,
+ imageResourcesPath: this.imageResourcesPath,
+ renderForms: this.renderForms,
+ downloadManager: this.downloadManager,
+ enableComment: this.enableComment,
+ enableScripting: this.enableScripting,
+ hasJSActions,
+ fieldObjects
+ });
+ this.#annotations = annotations;
+ if (this.linkService.isInPresentationMode) {
+ this.#updatePresentationModeState(PresentationModeState.FULLSCREEN);
+ }
+ if (!this.#eventAbortController) {
+ this.#eventAbortController = new AbortController();
+ this._eventBus?._on("presentationmodechanged", evt => {
+ this.#updatePresentationModeState(evt.state);
+ }, {
+ signal: this.#eventAbortController.signal
+ });
+ }
+ }
+ #initAnnotationLayer(viewport, structTreeLayer) {
+ this.annotationLayer = new AnnotationLayer({
+ div: this.div,
+ accessibilityManager: this._accessibilityManager,
+ annotationCanvasMap: this._annotationCanvasMap,
+ annotationEditorUIManager: this._annotationEditorUIManager,
+ annotationStorage: this.annotationStorage,
+ page: this.pdfPage,
+ viewport: viewport.clone({
+ dontFlip: true
+ }),
+ structTreeLayer,
+ commentManager: this.#commentManager,
+ linkService: this.linkService
+ });
+ }
+ cancel() {
+ this._cancelled = true;
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ }
+ hide(internal = false) {
+ this.#externalHide = !internal;
+ if (!this.div) {
+ return;
+ }
+ this.div.hidden = true;
+ }
+ hasEditableAnnotations() {
+ return !!this.annotationLayer?.hasEditableAnnotations();
+ }
+ async injectLinkAnnotations(inferredLinks) {
+ if (this.#annotations === null) {
+ throw new Error("`render` method must be called before `injectLinkAnnotations`.");
+ }
+ if (this._cancelled || this.#linksInjected) {
+ return;
+ }
+ this.#linksInjected = true;
+ const newLinks = this.#annotations.length ? this.#checkInferredLinks(inferredLinks) : inferredLinks;
+ if (!newLinks.length) {
+ return;
+ }
+ await this.annotationLayer.addLinkAnnotations(newLinks);
+ if (!this.#externalHide) {
+ this.div.hidden = false;
+ }
+ }
+ #updatePresentationModeState(state) {
+ if (!this.div) {
+ return;
+ }
+ let disableFormElements = false;
+ switch (state) {
+ case PresentationModeState.FULLSCREEN:
+ disableFormElements = true;
+ break;
+ case PresentationModeState.NORMAL:
+ break;
+ default:
+ return;
+ }
+ for (const section of this.div.childNodes) {
+ if (section.hasAttribute("data-internal-link")) {
+ continue;
+ }
+ section.inert = disableFormElements;
+ }
+ }
+ #checkInferredLinks(inferredLinks) {
+ function annotationRects(annot) {
+ if (!annot.quadPoints) {
+ return [annot.rect];
+ }
+ const rects = [];
+ for (let i = 2, ii = annot.quadPoints.length; i < ii; i += 8) {
+ const trX = annot.quadPoints[i];
+ const trY = annot.quadPoints[i + 1];
+ const blX = annot.quadPoints[i + 2];
+ const blY = annot.quadPoints[i + 3];
+ rects.push([blX, blY, trX, trY]);
+ }
+ return rects;
+ }
+ function intersectAnnotations(annot1, annot2) {
+ const intersections = [];
+ const annot1Rects = annotationRects(annot1);
+ const annot2Rects = annotationRects(annot2);
+ for (const rect1 of annot1Rects) {
+ for (const rect2 of annot2Rects) {
+ const intersection = Util.intersect(rect1, rect2);
+ if (intersection) {
+ intersections.push(intersection);
+ }
+ }
+ }
+ return intersections;
+ }
+ function areaRects(rects) {
+ let totalArea = 0;
+ for (const rect of rects) {
+ totalArea += Math.abs((rect[2] - rect[0]) * (rect[3] - rect[1]));
+ }
+ return totalArea;
+ }
+ return inferredLinks.filter(link => {
+ let linkAreaRects;
+ for (const annotation of this.#annotations) {
+ if (annotation.annotationType !== AnnotationType.LINK || !annotation.url) {
+ continue;
+ }
+ const intersections = intersectAnnotations(annotation, link);
+ if (intersections.length === 0) {
+ continue;
+ }
+ linkAreaRects ??= areaRects(annotationRects(link));
+ if (areaRects(intersections) / linkAreaRects > 0.5) {
+ return false;
+ }
+ }
+ return true;
+ });
+ }
+}
+
+;// ./web/autolinker.js
+
+
+function DOMRectToPDF({
+ width,
+ height,
+ left,
+ top
+}, pdfPageView) {
+ if (width === 0 || height === 0) {
+ return null;
+ }
+ const pageBox = pdfPageView.textLayer.div.getBoundingClientRect();
+ const bottomLeft = pdfPageView.getPagePoint(left - pageBox.left, top - pageBox.top);
+ const topRight = pdfPageView.getPagePoint(left - pageBox.left + width, top - pageBox.top + height);
+ return Util.normalizeRect([bottomLeft[0], bottomLeft[1], topRight[0], topRight[1]]);
+}
+function calculateLinkPosition(range, pdfPageView) {
+ const rangeRects = range.getClientRects();
+ if (rangeRects.length === 1) {
+ return {
+ rect: DOMRectToPDF(rangeRects[0], pdfPageView)
+ };
+ }
+ const rect = [Infinity, Infinity, -Infinity, -Infinity];
+ const quadPoints = [];
+ let i = 0;
+ for (const domRect of rangeRects) {
+ const normalized = DOMRectToPDF(domRect, pdfPageView);
+ if (normalized === null) {
+ continue;
+ }
+ quadPoints[i] = quadPoints[i + 4] = normalized[0];
+ quadPoints[i + 1] = quadPoints[i + 3] = normalized[3];
+ quadPoints[i + 2] = quadPoints[i + 6] = normalized[2];
+ quadPoints[i + 5] = quadPoints[i + 7] = normalized[1];
+ Util.rectBoundingBox(...normalized, rect);
+ i += 8;
+ }
+ return {
+ quadPoints,
+ rect
+ };
+}
+function textPosition(container, offset) {
+ let currentContainer = container;
+ do {
+ if (currentContainer.nodeType === Node.TEXT_NODE) {
+ const currentLength = currentContainer.textContent.length;
+ if (offset <= currentLength) {
+ return [currentContainer, offset];
+ }
+ offset -= currentLength;
+ } else if (currentContainer.firstChild) {
+ currentContainer = currentContainer.firstChild;
+ continue;
+ }
+ while (!currentContainer.nextSibling && currentContainer !== container) {
+ currentContainer = currentContainer.parentNode;
+ }
+ if (currentContainer !== container) {
+ currentContainer = currentContainer.nextSibling;
+ }
+ } while (currentContainer !== container);
+ throw new Error("Offset is bigger than container's contents length.");
+}
+function createLinkAnnotation({
+ url,
+ index,
+ length
+}, pdfPageView, id) {
+ const highlighter = pdfPageView._textHighlighter;
+ const [{
+ begin,
+ end
+ }] = highlighter._convertMatches([index], [length]);
+ const range = new Range();
+ range.setStart(...textPosition(highlighter.textDivs[begin.divIdx], begin.offset));
+ range.setEnd(...textPosition(highlighter.textDivs[end.divIdx], end.offset));
+ return {
+ id: `inferred_link_${id}`,
+ unsafeUrl: url,
+ url,
+ annotationType: AnnotationType.LINK,
+ rotation: 0,
+ ...calculateLinkPosition(range, pdfPageView),
+ borderStyle: null
+ };
+}
+class Autolinker {
+ static #index = 0;
+ static #regex;
+ static findLinks(text) {
+ this.#regex ??= /\b(?:https?:\/\/|mailto:|www\.)(?:[\S--[\p{P}<>]]|\/|[\S--[\[\]]]+[\S--[\p{P}<>]])+|\b[\S--[@\p{Ps}\p{Pe}<>]]+@([\S--[\p{P}<>]]+(?:\.[\S--[\p{P}<>]]+)+)/gmv;
+ const [normalizedText, diffs] = normalize(text, {
+ ignoreDashEOL: true
+ });
+ const matches = normalizedText.matchAll(this.#regex);
+ const links = [];
+ for (const match of matches) {
+ const [url, emailDomain] = match;
+ let raw;
+ if (url.startsWith("www.") || url.startsWith("http://") || url.startsWith("https://")) {
+ raw = url;
+ } else if (URL.canParse(`http://${emailDomain}`)) {
+ raw = url.startsWith("mailto:") ? url : `mailto:${url}`;
+ } else {
+ continue;
+ }
+ const absoluteURL = createValidAbsoluteUrl(raw, null, {
+ addDefaultProtocol: true
+ });
+ if (absoluteURL) {
+ const [index, length] = getOriginalIndex(diffs, match.index, url.length);
+ links.push({
+ url: absoluteURL.href,
+ index,
+ length
+ });
+ }
+ }
+ return links;
+ }
+ static processLinks(pdfPageView) {
+ return this.findLinks(pdfPageView._textHighlighter.textContentItemsStr.join("\n")).map(link => createLinkAnnotation(link, pdfPageView, this.#index++));
+ }
+}
+
+;// ./web/base_pdf_page_view.js
+
+
+class BasePDFPageView {
+ #loadingId = null;
+ #minDurationToUpdateCanvas = 0;
+ #renderError = null;
+ #renderingState = RenderingStates.INITIAL;
+ #showCanvas = null;
+ #startTime = 0;
+ #tempCanvas = null;
+ canvas = null;
+ div = null;
+ enableOptimizedPartialRendering = false;
+ eventBus = null;
+ id = null;
+ pageColors = null;
+ recordedBBoxes = null;
+ renderingQueue = null;
+ renderTask = null;
+ resume = null;
+ constructor(options) {
+ this.eventBus = options.eventBus;
+ this.id = options.id;
+ this.pageColors = options.pageColors || null;
+ this.renderingQueue = options.renderingQueue;
+ this.enableOptimizedPartialRendering = options.enableOptimizedPartialRendering ?? false;
+ this.#minDurationToUpdateCanvas = options.minDurationToUpdateCanvas ?? 500;
+ }
+ get renderingState() {
+ return this.#renderingState;
+ }
+ set renderingState(state) {
+ if (state === this.#renderingState) {
+ return;
+ }
+ this.#renderingState = state;
+ if (this.#loadingId) {
+ clearTimeout(this.#loadingId);
+ this.#loadingId = null;
+ }
+ switch (state) {
+ case RenderingStates.PAUSED:
+ this.div.classList.remove("loading");
+ this.#startTime = 0;
+ this.#showCanvas?.(false);
+ break;
+ case RenderingStates.RUNNING:
+ this.div.classList.add("loadingIcon");
+ this.#loadingId = setTimeout(() => {
+ this.div.classList.add("loading");
+ this.#loadingId = null;
+ }, 0);
+ this.#startTime = Date.now();
+ break;
+ case RenderingStates.INITIAL:
+ case RenderingStates.FINISHED:
+ this.div.classList.remove("loadingIcon", "loading");
+ this.#startTime = 0;
+ break;
+ }
+ }
+ _createCanvas(onShow, hideUntilComplete = false) {
+ const {
+ pageColors
+ } = this;
+ const hasHCM = !!(pageColors?.background && pageColors?.foreground);
+ const prevCanvas = this.canvas;
+ const updateOnFirstShow = !prevCanvas && !hasHCM && !hideUntilComplete;
+ let canvas = this.canvas = document.createElement("canvas");
+ this.#showCanvas = isLastShow => {
+ if (updateOnFirstShow) {
+ let tempCanvas = this.#tempCanvas;
+ if (!isLastShow && this.#minDurationToUpdateCanvas > 0) {
+ if (Date.now() - this.#startTime < this.#minDurationToUpdateCanvas) {
+ return;
+ }
+ if (!tempCanvas) {
+ tempCanvas = this.#tempCanvas = canvas;
+ canvas = this.canvas = canvas.cloneNode(false);
+ onShow(canvas);
+ }
+ }
+ if (tempCanvas) {
+ const ctx = canvas.getContext("2d", {
+ alpha: false
+ });
+ ctx.drawImage(tempCanvas, 0, 0);
+ if (isLastShow) {
+ this.#resetTempCanvas();
+ } else {
+ this.#startTime = Date.now();
+ }
+ return;
+ }
+ onShow(canvas);
+ this.#showCanvas = null;
+ return;
+ }
+ if (!isLastShow) {
+ return;
+ }
+ if (prevCanvas) {
+ prevCanvas.replaceWith(canvas);
+ prevCanvas.width = prevCanvas.height = 0;
+ } else {
+ onShow(canvas);
+ }
+ };
+ return {
+ canvas,
+ prevCanvas
+ };
+ }
+ #renderContinueCallback = cont => {
+ this.#showCanvas?.(false);
+ if (this.renderingQueue && !this.renderingQueue.isHighestPriority(this)) {
+ this.renderingState = RenderingStates.PAUSED;
+ this.resume = () => {
+ this.renderingState = RenderingStates.RUNNING;
+ cont();
+ };
+ return;
+ }
+ cont();
+ };
+ _resetCanvas() {
+ const {
+ canvas
+ } = this;
+ if (!canvas) {
+ return;
+ }
+ canvas.remove();
+ canvas.width = canvas.height = 0;
+ this.canvas = null;
+ this.#resetTempCanvas();
+ }
+ #resetTempCanvas() {
+ if (this.#tempCanvas) {
+ this.#tempCanvas.width = this.#tempCanvas.height = 0;
+ this.#tempCanvas = null;
+ }
+ }
+ async _drawCanvas(options, onCancel, onFinish) {
+ const renderTask = this.renderTask = this.pdfPage.render(options);
+ renderTask.onContinue = this.#renderContinueCallback;
+ renderTask.onError = error => {
+ if (error instanceof RenderingCancelledException) {
+ onCancel();
+ this.#renderError = null;
+ }
+ };
+ let error = null;
+ try {
+ await renderTask.promise;
+ this.#showCanvas?.(true);
+ } catch (e) {
+ if (e instanceof RenderingCancelledException) {
+ return;
+ }
+ error = e;
+ this.#showCanvas?.(true);
+ } finally {
+ this.#renderError = error;
+ if (renderTask === this.renderTask) {
+ this.renderTask = null;
+ if (this.enableOptimizedPartialRendering) {
+ this.recordedBBoxes ??= renderTask.recordedBBoxes;
+ }
+ }
+ }
+ this.renderingState = RenderingStates.FINISHED;
+ onFinish(renderTask);
+ if (error) {
+ throw error;
+ }
+ }
+ cancelRendering({
+ cancelExtraDelay = 0
+ } = {}) {
+ if (this.renderTask) {
+ this.renderTask.cancel(cancelExtraDelay);
+ this.renderTask = null;
+ }
+ this.resume = null;
+ }
+ dispatchPageRender() {
+ this.eventBus.dispatch("pagerender", {
+ source: this,
+ pageNumber: this.id
+ });
+ }
+ dispatchPageRendered(cssTransform, isDetailView) {
+ this.eventBus.dispatch("pagerendered", {
+ source: this,
+ pageNumber: this.id,
+ cssTransform,
+ isDetailView,
+ timestamp: performance.now(),
+ error: this.#renderError
+ });
+ }
+}
+
+;// ./web/draw_layer_builder.js
+
+class DrawLayerBuilder {
+ #drawLayer = null;
+ constructor(options) {
+ this.pageIndex = options.pageIndex;
+ }
+ async render({
+ intent = "display"
+ }) {
+ if (intent !== "display" || this.#drawLayer || this._cancelled) {
+ return;
+ }
+ this.#drawLayer = new DrawLayer({
+ pageIndex: this.pageIndex
+ });
+ }
+ cancel() {
+ this._cancelled = true;
+ if (!this.#drawLayer) {
+ return;
+ }
+ this.#drawLayer.destroy();
+ this.#drawLayer = null;
+ }
+ setParent(parent) {
+ this.#drawLayer?.setParent(parent);
+ }
+ getDrawLayer() {
+ return this.#drawLayer;
+ }
+}
+
+;// ./web/pdf_page_detail_view.js
+
+
+
+class PDFPageDetailView extends BasePDFPageView {
+ #detailArea = null;
+ renderingCancelled = false;
+ constructor({
+ pageView
+ }) {
+ super(pageView);
+ this.pageView = pageView;
+ this.renderingId = "detail" + this.id;
+ this.div = pageView.div;
+ }
+ setPdfPage(pdfPage) {
+ this.pageView.setPdfPage(pdfPage);
+ }
+ get pdfPage() {
+ return this.pageView.pdfPage;
+ }
+ get renderingState() {
+ return super.renderingState;
+ }
+ set renderingState(value) {
+ this.renderingCancelled = false;
+ super.renderingState = value;
+ }
+ reset({
+ keepCanvas = false
+ } = {}) {
+ const renderingCancelled = this.renderingCancelled || this.renderingState === RenderingStates.RUNNING || this.renderingState === RenderingStates.PAUSED;
+ this.cancelRendering();
+ this.renderingState = RenderingStates.INITIAL;
+ this.renderingCancelled = renderingCancelled;
+ if (!keepCanvas) {
+ this._resetCanvas();
+ }
+ }
+ #shouldRenderDifferentArea(visibleArea) {
+ if (!this.#detailArea) {
+ return true;
+ }
+ const minDetailX = this.#detailArea.minX;
+ const minDetailY = this.#detailArea.minY;
+ const maxDetailX = this.#detailArea.width + minDetailX;
+ const maxDetailY = this.#detailArea.height + minDetailY;
+ if (visibleArea.minX < minDetailX || visibleArea.minY < minDetailY || visibleArea.maxX > maxDetailX || visibleArea.maxY > maxDetailY) {
+ return true;
+ }
+ const {
+ width: maxWidth,
+ height: maxHeight,
+ scale
+ } = this.pageView.viewport;
+ if (this.#detailArea.scale !== scale) {
+ return true;
+ }
+ const paddingLeftSize = visibleArea.minX - minDetailX;
+ const paddingRightSize = maxDetailX - visibleArea.maxX;
+ const paddingTopSize = visibleArea.minY - minDetailY;
+ const paddingBottomSize = maxDetailY - visibleArea.maxY;
+ const MOVEMENT_THRESHOLD = 0.5;
+ const ratio = (1 + MOVEMENT_THRESHOLD) / MOVEMENT_THRESHOLD;
+ if (minDetailX > 0 && paddingRightSize / paddingLeftSize > ratio || maxDetailX < maxWidth && paddingLeftSize / paddingRightSize > ratio || minDetailY > 0 && paddingBottomSize / paddingTopSize > ratio || maxDetailY < maxHeight && paddingTopSize / paddingBottomSize > ratio) {
+ return true;
+ }
+ return false;
+ }
+ update({
+ visibleArea = null,
+ underlyingViewUpdated = false
+ } = {}) {
+ if (underlyingViewUpdated) {
+ this.cancelRendering();
+ this.renderingState = RenderingStates.INITIAL;
+ return;
+ }
+ if (!this.#shouldRenderDifferentArea(visibleArea)) {
+ return;
+ }
+ const {
+ viewport,
+ maxCanvasPixels,
+ capCanvasAreaFactor
+ } = this.pageView;
+ const visibleWidth = visibleArea.maxX - visibleArea.minX;
+ const visibleHeight = visibleArea.maxY - visibleArea.minY;
+ const visiblePixels = visibleWidth * visibleHeight * OutputScale.pixelRatio ** 2;
+ const maxDetailToVisibleLinearRatio = Math.sqrt(OutputScale.capPixels(maxCanvasPixels, capCanvasAreaFactor) / visiblePixels);
+ const maxOverflowScale = (maxDetailToVisibleLinearRatio - 1) / 2;
+ let overflowScale = Math.min(1, maxOverflowScale);
+ if (overflowScale < 0) {
+ overflowScale = 0;
+ }
+ const overflowWidth = visibleWidth * overflowScale;
+ const overflowHeight = visibleHeight * overflowScale;
+ const minX = Math.max(0, visibleArea.minX - overflowWidth);
+ const maxX = Math.min(viewport.width, visibleArea.maxX + overflowWidth);
+ const minY = Math.max(0, visibleArea.minY - overflowHeight);
+ const maxY = Math.min(viewport.height, visibleArea.maxY + overflowHeight);
+ const width = maxX - minX;
+ const height = maxY - minY;
+ this.#detailArea = {
+ minX,
+ minY,
+ width,
+ height,
+ scale: viewport.scale
+ };
+ this.reset({
+ keepCanvas: true
+ });
+ }
+ _getRenderingContext(canvas, transform) {
+ const baseContext = this.pageView._getRenderingContext(canvas, transform, false);
+ const recordedBBoxes = this.pdfPage.recordedBBoxes;
+ if (!recordedBBoxes || !this.enableOptimizedPartialRendering) {
+ return baseContext;
+ }
+ const {
+ viewport: {
+ width: vWidth,
+ height: vHeight
+ }
+ } = this.pageView;
+ const {
+ width: aWidth,
+ height: aHeight,
+ minX: aMinX,
+ minY: aMinY
+ } = this.#detailArea;
+ const detailMinX = aMinX / vWidth;
+ const detailMinY = aMinY / vHeight;
+ const detailMaxX = (aMinX + aWidth) / vWidth;
+ const detailMaxY = (aMinY + aHeight) / vHeight;
+ return {
+ ...baseContext,
+ operationsFilter(index) {
+ if (recordedBBoxes.isEmpty(index)) {
+ return false;
+ }
+ return recordedBBoxes.minX(index) <= detailMaxX && recordedBBoxes.maxX(index) >= detailMinX && recordedBBoxes.minY(index) <= detailMaxY && recordedBBoxes.maxY(index) >= detailMinY;
+ }
+ };
+ }
+ async draw() {
+ if (this.pageView.detailView !== this) {
+ return undefined;
+ }
+ const hideUntilComplete = this.pageView.renderingState === RenderingStates.FINISHED || this.renderingState === RenderingStates.FINISHED;
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ console.error("Must be in new state before drawing");
+ this.reset();
+ }
+ const {
+ div,
+ pdfPage,
+ viewport
+ } = this.pageView;
+ if (!pdfPage) {
+ this.renderingState = RenderingStates.FINISHED;
+ throw new Error("pdfPage is not loaded");
+ }
+ this.renderingState = RenderingStates.RUNNING;
+ const canvasWrapper = this.pageView._ensureCanvasWrapper();
+ const {
+ canvas,
+ prevCanvas
+ } = this._createCanvas(newCanvas => {
+ if (canvasWrapper.firstElementChild?.tagName === "CANVAS") {
+ canvasWrapper.firstElementChild.after(newCanvas);
+ } else {
+ canvasWrapper.prepend(newCanvas);
+ }
+ }, hideUntilComplete);
+ canvas.ariaHidden = true;
+ if (this.enableOptimizedPartialRendering) {
+ canvas.className = "detailView";
+ }
+ const {
+ width,
+ height
+ } = viewport;
+ const area = this.#detailArea;
+ const {
+ pixelRatio
+ } = OutputScale;
+ const transform = [pixelRatio, 0, 0, pixelRatio, -area.minX * pixelRatio, -area.minY * pixelRatio];
+ canvas.width = area.width * pixelRatio;
+ canvas.height = area.height * pixelRatio;
+ const {
+ style
+ } = canvas;
+ style.width = `${area.width * 100 / width}%`;
+ style.height = `${area.height * 100 / height}%`;
+ style.top = `${area.minY * 100 / height}%`;
+ style.left = `${area.minX * 100 / width}%`;
+ const renderingPromise = this._drawCanvas(this._getRenderingContext(canvas, transform), () => {
+ this.canvas?.remove();
+ this.canvas = prevCanvas;
+ }, () => {
+ this.dispatchPageRendered(false, true);
+ });
+ div.setAttribute("data-loaded", true);
+ this.dispatchPageRender();
+ return renderingPromise;
+ }
+}
+
+;// ./web/struct_tree_layer_builder.js
+
+const PDF_ROLE_TO_HTML_ROLE = {
+ Document: null,
+ DocumentFragment: null,
+ Part: "group",
+ Sect: "group",
+ Div: "group",
+ Aside: "note",
+ NonStruct: "none",
+ P: null,
+ H: "heading",
+ Title: null,
+ FENote: "note",
+ Sub: "group",
+ Lbl: null,
+ Span: null,
+ Em: null,
+ Strong: null,
+ Link: "link",
+ Annot: "note",
+ Form: "form",
+ Ruby: null,
+ RB: null,
+ RT: null,
+ RP: null,
+ Warichu: null,
+ WT: null,
+ WP: null,
+ L: "list",
+ LI: "listitem",
+ LBody: null,
+ Table: "table",
+ TR: "row",
+ TH: "columnheader",
+ TD: "cell",
+ THead: "columnheader",
+ TBody: null,
+ TFoot: null,
+ Caption: null,
+ Figure: "figure",
+ Formula: null,
+ Artifact: null
+};
+const HEADING_PATTERN = /^H(\d+)$/;
+class StructTreeLayerBuilder {
+ #promise;
+ #treeDom = null;
+ #treePromise;
+ #elementAttributes = new Map();
+ #rawDims;
+ #elementsToAddToTextLayer = null;
+ constructor(pdfPage, rawDims) {
+ this.#promise = pdfPage.getStructTree();
+ this.#rawDims = rawDims;
+ }
+ async render() {
+ if (this.#treePromise) {
+ return this.#treePromise;
+ }
+ const {
+ promise,
+ resolve,
+ reject
+ } = Promise.withResolvers();
+ this.#treePromise = promise;
+ try {
+ this.#treeDom = this.#walk(await this.#promise);
+ } catch (ex) {
+ reject(ex);
+ }
+ this.#promise = null;
+ this.#treeDom?.classList.add("structTree");
+ resolve(this.#treeDom);
+ return promise;
+ }
+ async getAriaAttributes(annotationId) {
+ try {
+ await this.render();
+ return this.#elementAttributes.get(annotationId);
+ } catch {}
+ return null;
+ }
+ hide() {
+ if (this.#treeDom && !this.#treeDom.hidden) {
+ this.#treeDom.hidden = true;
+ }
+ }
+ show() {
+ if (this.#treeDom?.hidden) {
+ this.#treeDom.hidden = false;
+ }
+ }
+ #setAttributes(structElement, htmlElement) {
+ const {
+ alt,
+ id,
+ lang
+ } = structElement;
+ if (alt !== undefined) {
+ let added = false;
+ const label = removeNullCharacters(alt);
+ for (const child of structElement.children) {
+ if (child.type === "annotation") {
+ let attrs = this.#elementAttributes.get(child.id);
+ if (!attrs) {
+ attrs = new Map();
+ this.#elementAttributes.set(child.id, attrs);
+ }
+ attrs.set("aria-label", label);
+ added = true;
+ }
+ }
+ if (!added) {
+ htmlElement.setAttribute("aria-label", label);
+ }
+ }
+ if (id !== undefined) {
+ htmlElement.setAttribute("aria-owns", id);
+ }
+ if (lang !== undefined) {
+ htmlElement.setAttribute("lang", removeNullCharacters(lang, true));
+ }
+ }
+ #addImageInTextLayer(node, element) {
+ const {
+ alt,
+ bbox,
+ children
+ } = node;
+ const child = children?.[0];
+ if (!this.#rawDims || !alt || !bbox || child?.type !== "content") {
+ return false;
+ }
+ const {
+ id
+ } = child;
+ if (!id) {
+ return false;
+ }
+ element.setAttribute("aria-owns", id);
+ const img = document.createElement("span");
+ (this.#elementsToAddToTextLayer ||= new Map()).set(id, img);
+ img.setAttribute("role", "img");
+ img.setAttribute("aria-label", removeNullCharacters(alt));
+ const {
+ pageHeight,
+ pageX,
+ pageY
+ } = this.#rawDims;
+ const calc = "calc(var(--total-scale-factor) *";
+ const {
+ style
+ } = img;
+ style.width = `${calc}${bbox[2] - bbox[0]}px)`;
+ style.height = `${calc}${bbox[3] - bbox[1]}px)`;
+ style.left = `${calc}${bbox[0] - pageX}px)`;
+ style.top = `${calc}${pageHeight - bbox[3] + pageY}px)`;
+ return true;
+ }
+ addElementsToTextLayer() {
+ if (!this.#elementsToAddToTextLayer) {
+ return;
+ }
+ for (const [id, img] of this.#elementsToAddToTextLayer) {
+ document.getElementById(id)?.append(img);
+ }
+ this.#elementsToAddToTextLayer.clear();
+ this.#elementsToAddToTextLayer = null;
+ }
+ #walk(node) {
+ if (!node) {
+ return null;
+ }
+ const element = document.createElement("span");
+ if ("role" in node) {
+ const {
+ role
+ } = node;
+ const match = role.match(HEADING_PATTERN);
+ if (match) {
+ element.setAttribute("role", "heading");
+ element.setAttribute("aria-level", match[1]);
+ } else if (PDF_ROLE_TO_HTML_ROLE[role]) {
+ element.setAttribute("role", PDF_ROLE_TO_HTML_ROLE[role]);
+ }
+ if (role === "Figure" && this.#addImageInTextLayer(node, element)) {
+ return element;
+ }
+ }
+ this.#setAttributes(node, element);
+ if (node.children) {
+ if (node.children.length === 1 && "id" in node.children[0]) {
+ this.#setAttributes(node.children[0], element);
+ } else {
+ for (const kid of node.children) {
+ element.append(this.#walk(kid));
+ }
+ }
+ }
+ return element;
+ }
+}
+
+;// ./web/text_accessibility.js
+
+class TextAccessibilityManager {
+ #enabled = false;
+ #textChildren = null;
+ #textNodes = new Map();
+ #waitingElements = new Map();
+ setTextMapping(textDivs) {
+ this.#textChildren = textDivs;
+ }
+ static #compareElementPositions(e1, e2) {
+ const rect1 = e1.getBoundingClientRect();
+ const rect2 = e2.getBoundingClientRect();
+ if (rect1.width === 0 && rect1.height === 0) {
+ return +1;
+ }
+ if (rect2.width === 0 && rect2.height === 0) {
+ return -1;
+ }
+ const top1 = rect1.y;
+ const bot1 = rect1.y + rect1.height;
+ const mid1 = rect1.y + rect1.height / 2;
+ const top2 = rect2.y;
+ const bot2 = rect2.y + rect2.height;
+ const mid2 = rect2.y + rect2.height / 2;
+ if (mid1 <= top2 && mid2 >= bot1) {
+ return -1;
+ }
+ if (mid2 <= top1 && mid1 >= bot2) {
+ return +1;
+ }
+ const centerX1 = rect1.x + rect1.width / 2;
+ const centerX2 = rect2.x + rect2.width / 2;
+ return centerX1 - centerX2;
+ }
+ enable() {
+ if (this.#enabled) {
+ throw new Error("TextAccessibilityManager is already enabled.");
+ }
+ if (!this.#textChildren) {
+ throw new Error("Text divs and strings have not been set.");
+ }
+ this.#enabled = true;
+ this.#textChildren = this.#textChildren.slice();
+ this.#textChildren.sort(TextAccessibilityManager.#compareElementPositions);
+ if (this.#textNodes.size > 0) {
+ const textChildren = this.#textChildren;
+ for (const [id, nodeIndex] of this.#textNodes) {
+ const element = document.getElementById(id);
+ if (!element) {
+ this.#textNodes.delete(id);
+ continue;
+ }
+ this.#addIdToAriaOwns(id, textChildren[nodeIndex]);
+ }
+ }
+ for (const [element, isRemovable] of this.#waitingElements) {
+ this.addPointerInTextLayer(element, isRemovable);
+ }
+ this.#waitingElements.clear();
+ }
+ disable() {
+ if (!this.#enabled) {
+ return;
+ }
+ this.#waitingElements.clear();
+ this.#textChildren = null;
+ this.#enabled = false;
+ }
+ removePointerInTextLayer(element) {
+ if (!this.#enabled) {
+ this.#waitingElements.delete(element);
+ return;
+ }
+ const children = this.#textChildren;
+ if (!children || children.length === 0) {
+ return;
+ }
+ const {
+ id
+ } = element;
+ const nodeIndex = this.#textNodes.get(id);
+ if (nodeIndex === undefined) {
+ return;
+ }
+ const node = children[nodeIndex];
+ this.#textNodes.delete(id);
+ let owns = node.getAttribute("aria-owns");
+ if (owns?.includes(id)) {
+ owns = owns.split(" ").filter(x => x !== id).join(" ");
+ if (owns) {
+ node.setAttribute("aria-owns", owns);
+ } else {
+ node.removeAttribute("aria-owns");
+ node.setAttribute("role", "presentation");
+ }
+ }
+ }
+ #addIdToAriaOwns(id, node) {
+ const owns = node.getAttribute("aria-owns");
+ if (!owns?.includes(id)) {
+ node.setAttribute("aria-owns", owns ? `${owns} ${id}` : id);
+ }
+ node.removeAttribute("role");
+ }
+ addPointerInTextLayer(element, isRemovable) {
+ const {
+ id
+ } = element;
+ if (!id) {
+ return null;
+ }
+ if (!this.#enabled) {
+ this.#waitingElements.set(element, isRemovable);
+ return null;
+ }
+ if (isRemovable) {
+ this.removePointerInTextLayer(element);
+ }
+ const children = this.#textChildren;
+ if (!children || children.length === 0) {
+ return null;
+ }
+ const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(element, node) < 0);
+ const nodeIndex = Math.max(0, index - 1);
+ const child = children[nodeIndex];
+ this.#addIdToAriaOwns(id, child);
+ this.#textNodes.set(id, nodeIndex);
+ const parent = child.parentNode;
+ return parent?.classList.contains("markedContent") ? parent.id : null;
+ }
+ moveElementInDOM(container, element, contentElement, isRemovable) {
+ const id = this.addPointerInTextLayer(contentElement, isRemovable);
+ if (!container.hasChildNodes()) {
+ container.append(element);
+ return id;
+ }
+ const children = Array.from(container.childNodes).filter(node => node !== element);
+ if (children.length === 0) {
+ return id;
+ }
+ const elementToCompare = contentElement || element;
+ const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(elementToCompare, node) < 0);
+ if (index === 0) {
+ children[0].before(element);
+ } else {
+ children[index - 1].after(element);
+ }
+ return id;
+ }
+}
+
+;// ./web/text_highlighter.js
+class TextHighlighter {
+ #eventAbortController = null;
+ constructor({
+ findController,
+ eventBus,
+ pageIndex
+ }) {
+ this.findController = findController;
+ this.matches = [];
+ this.eventBus = eventBus;
+ this.pageIdx = pageIndex;
+ this.textDivs = null;
+ this.textContentItemsStr = null;
+ this.enabled = false;
+ }
+ setTextMapping(divs, texts) {
+ this.textDivs = divs;
+ this.textContentItemsStr = texts;
+ }
+ enable() {
+ if (!this.textDivs || !this.textContentItemsStr) {
+ throw new Error("Text divs and strings have not been set.");
+ }
+ if (this.enabled) {
+ throw new Error("TextHighlighter is already enabled.");
+ }
+ this.enabled = true;
+ if (!this.#eventAbortController) {
+ this.#eventAbortController = new AbortController();
+ this.eventBus._on("updatetextlayermatches", evt => {
+ if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
+ this._updateMatches();
+ }
+ }, {
+ signal: this.#eventAbortController.signal
+ });
+ }
+ this._updateMatches();
+ }
+ disable() {
+ if (!this.enabled) {
+ return;
+ }
+ this.enabled = false;
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ this._updateMatches(true);
+ }
+ _convertMatches(matches, matchesLength) {
+ if (!matches) {
+ return [];
+ }
+ const {
+ textContentItemsStr
+ } = this;
+ let i = 0,
+ iIndex = 0;
+ const end = textContentItemsStr.length - 1;
+ const result = [];
+ for (let m = 0, mm = matches.length; m < mm; m++) {
+ let matchIdx = matches[m];
+ while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
+ iIndex += textContentItemsStr[i].length;
+ i++;
+ }
+ if (i === textContentItemsStr.length) {
+ console.error("Could not find a matching mapping");
+ }
+ const match = {
+ begin: {
+ divIdx: i,
+ offset: matchIdx - iIndex
+ }
+ };
+ matchIdx += matchesLength[m];
+ while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
+ iIndex += textContentItemsStr[i].length;
+ i++;
+ }
+ match.end = {
+ divIdx: i,
+ offset: matchIdx - iIndex
+ };
+ result.push(match);
+ }
+ return result;
+ }
+ _renderMatches(matches) {
+ if (matches.length === 0) {
+ return;
+ }
+ const {
+ findController,
+ pageIdx
+ } = this;
+ const {
+ textContentItemsStr,
+ textDivs
+ } = this;
+ const isSelectedPage = pageIdx === findController.selected.pageIdx;
+ const selectedMatchIdx = findController.selected.matchIdx;
+ const highlightAll = findController.state.highlightAll;
+ let prevEnd = null;
+ const infinity = {
+ divIdx: -1,
+ offset: undefined
+ };
+ function beginText(begin, className) {
+ const divIdx = begin.divIdx;
+ textDivs[divIdx].textContent = "";
+ return appendTextToDiv(divIdx, 0, begin.offset, className);
+ }
+ function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
+ let div = textDivs[divIdx];
+ if (div.nodeType === Node.TEXT_NODE) {
+ const span = document.createElement("span");
+ div.before(span);
+ span.append(div);
+ textDivs[divIdx] = span;
+ div = span;
+ }
+ const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
+ const node = document.createTextNode(content);
+ if (className) {
+ const span = document.createElement("span");
+ span.className = `${className} appended`;
+ span.append(node);
+ div.append(span);
+ if (className.includes("selected")) {
+ const {
+ left
+ } = span.getClientRects()[0];
+ const parentLeft = div.getBoundingClientRect().left;
+ return left - parentLeft;
+ }
+ return 0;
+ }
+ div.append(node);
+ return 0;
+ }
+ let i0 = selectedMatchIdx,
+ i1 = i0 + 1;
+ if (highlightAll) {
+ i0 = 0;
+ i1 = matches.length;
+ } else if (!isSelectedPage) {
+ return;
+ }
+ let lastDivIdx = -1;
+ let lastOffset = -1;
+ for (let i = i0; i < i1; i++) {
+ const match = matches[i];
+ const begin = match.begin;
+ if (begin.divIdx === lastDivIdx && begin.offset === lastOffset) {
+ continue;
+ }
+ lastDivIdx = begin.divIdx;
+ lastOffset = begin.offset;
+ const end = match.end;
+ const isSelected = isSelectedPage && i === selectedMatchIdx;
+ const highlightSuffix = isSelected ? " selected" : "";
+ let selectedLeft = 0;
+ if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
+ if (prevEnd !== null) {
+ appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+ }
+ beginText(begin);
+ } else {
+ appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
+ }
+ if (begin.divIdx === end.divIdx) {
+ selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix);
+ } else {
+ selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix);
+ for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
+ textDivs[n0].className = "highlight middle" + highlightSuffix;
+ }
+ beginText(end, "highlight end" + highlightSuffix);
+ }
+ prevEnd = end;
+ if (isSelected) {
+ findController.scrollMatchIntoView({
+ element: textDivs[begin.divIdx],
+ selectedLeft,
+ pageIndex: pageIdx,
+ matchIndex: selectedMatchIdx
+ });
+ }
+ }
+ if (prevEnd) {
+ appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
+ }
+ }
+ _updateMatches(reset = false) {
+ if (!this.enabled && !reset) {
+ return;
+ }
+ const {
+ findController,
+ matches,
+ pageIdx
+ } = this;
+ const {
+ textContentItemsStr,
+ textDivs
+ } = this;
+ let clearedUntilDivIdx = -1;
+ for (const match of matches) {
+ const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
+ for (let n = begin, end = match.end.divIdx; n <= end; n++) {
+ const div = textDivs[n];
+ div.textContent = textContentItemsStr[n];
+ div.className = "";
+ }
+ clearedUntilDivIdx = match.end.divIdx + 1;
+ }
+ if (!findController?.highlightMatches || reset) {
+ return;
+ }
+ const pageMatches = findController.pageMatches[pageIdx] || null;
+ const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
+ this.matches = this._convertMatches(pageMatches, pageMatchesLength);
+ this._renderMatches(this.matches);
+ }
+}
+
+;// ./web/text_layer_builder.js
+
+
+class TextLayerBuilder {
+ #enablePermissions = false;
+ #onAppend = null;
+ #renderingDone = false;
+ #textLayer = null;
+ static #textLayers = new Map();
+ static #selectionChangeAbortController = null;
+ constructor({
+ pdfPage,
+ highlighter = null,
+ accessibilityManager = null,
+ enablePermissions = false,
+ onAppend = null
+ }) {
+ this.pdfPage = pdfPage;
+ this.highlighter = highlighter;
+ this.accessibilityManager = accessibilityManager;
+ this.#enablePermissions = enablePermissions === true;
+ this.#onAppend = onAppend;
+ this.div = document.createElement("div");
+ this.div.tabIndex = 0;
+ this.div.className = "textLayer";
+ }
+ async render({
+ viewport,
+ textContentParams = null
+ }) {
+ if (this.#renderingDone && this.#textLayer) {
+ this.#textLayer.update({
+ viewport,
+ onBefore: this.hide.bind(this)
+ });
+ this.show();
+ return;
+ }
+ this.cancel();
+ this.#textLayer = new TextLayer({
+ textContentSource: this.pdfPage.streamTextContent(textContentParams || {
+ includeMarkedContent: true,
+ disableNormalization: true
+ }),
+ container: this.div,
+ viewport
+ });
+ const {
+ textDivs,
+ textContentItemsStr
+ } = this.#textLayer;
+ this.highlighter?.setTextMapping(textDivs, textContentItemsStr);
+ this.accessibilityManager?.setTextMapping(textDivs);
+ await this.#textLayer.render();
+ this.#renderingDone = true;
+ const endOfContent = document.createElement("div");
+ endOfContent.className = "endOfContent";
+ this.div.append(endOfContent);
+ this.#bindMouse(endOfContent);
+ this.#onAppend?.(this.div);
+ this.highlighter?.enable();
+ this.accessibilityManager?.enable();
+ }
+ hide() {
+ if (!this.div.hidden && this.#renderingDone) {
+ this.highlighter?.disable();
+ this.div.hidden = true;
+ }
+ }
+ show() {
+ if (this.div.hidden && this.#renderingDone) {
+ this.div.hidden = false;
+ this.highlighter?.enable();
+ }
+ }
+ cancel() {
+ this.#textLayer?.cancel();
+ this.#textLayer = null;
+ this.highlighter?.disable();
+ this.accessibilityManager?.disable();
+ TextLayerBuilder.#removeGlobalSelectionListener(this.div);
+ }
+ #bindMouse(end) {
+ const {
+ div
+ } = this;
+ div.addEventListener("mousedown", () => {
+ div.classList.add("selecting");
+ });
+ div.addEventListener("copy", event => {
+ if (!this.#enablePermissions) {
+ const selection = document.getSelection();
+ event.clipboardData.setData("text/plain", removeNullCharacters(normalizeUnicode(selection.toString())));
+ }
+ stopEvent(event);
+ });
+ TextLayerBuilder.#textLayers.set(div, end);
+ TextLayerBuilder.#enableGlobalSelectionListener();
+ }
+ static #removeGlobalSelectionListener(textLayerDiv) {
+ this.#textLayers.delete(textLayerDiv);
+ if (this.#textLayers.size === 0) {
+ this.#selectionChangeAbortController?.abort();
+ this.#selectionChangeAbortController = null;
+ }
+ }
+ static #enableGlobalSelectionListener() {
+ if (this.#selectionChangeAbortController) {
+ return;
+ }
+ this.#selectionChangeAbortController = new AbortController();
+ const {
+ signal
+ } = this.#selectionChangeAbortController;
+ const reset = (end, textLayer) => {
+ textLayer.append(end);
+ end.style.width = "";
+ end.style.height = "";
+ textLayer.classList.remove("selecting");
+ };
+ let isPointerDown = false;
+ document.addEventListener("pointerdown", () => {
+ isPointerDown = true;
+ }, {
+ signal
+ });
+ document.addEventListener("pointerup", () => {
+ isPointerDown = false;
+ this.#textLayers.forEach(reset);
+ }, {
+ signal
+ });
+ window.addEventListener("blur", () => {
+ isPointerDown = false;
+ this.#textLayers.forEach(reset);
+ }, {
+ signal
+ });
+ document.addEventListener("keyup", () => {
+ if (!isPointerDown) {
+ this.#textLayers.forEach(reset);
+ }
+ }, {
+ signal
+ });
+ var isFirefox, prevRange;
+ document.addEventListener("selectionchange", () => {
+ const selection = document.getSelection();
+ if (selection.rangeCount === 0) {
+ this.#textLayers.forEach(reset);
+ return;
+ }
+ const activeTextLayers = new Set();
+ for (let i = 0; i < selection.rangeCount; i++) {
+ const range = selection.getRangeAt(i);
+ for (const textLayerDiv of this.#textLayers.keys()) {
+ if (!activeTextLayers.has(textLayerDiv) && range.intersectsNode(textLayerDiv)) {
+ activeTextLayers.add(textLayerDiv);
+ }
+ }
+ }
+ for (const [textLayerDiv, endDiv] of this.#textLayers) {
+ if (activeTextLayers.has(textLayerDiv)) {
+ textLayerDiv.classList.add("selecting");
+ } else {
+ reset(endDiv, textLayerDiv);
+ }
+ }
+ isFirefox ??= getComputedStyle(this.#textLayers.values().next().value).getPropertyValue("-moz-user-select") === "none";
+ if (isFirefox) {
+ return;
+ }
+ const range = selection.getRangeAt(0);
+ const modifyStart = prevRange && (range.compareBoundaryPoints(Range.END_TO_END, prevRange) === 0 || range.compareBoundaryPoints(Range.START_TO_END, prevRange) === 0);
+ let anchor = modifyStart ? range.startContainer : range.endContainer;
+ if (anchor.nodeType === Node.TEXT_NODE) {
+ anchor = anchor.parentNode;
+ }
+ if (!modifyStart && range.endOffset === 0) {
+ do {
+ while (!anchor.previousSibling) {
+ anchor = anchor.parentNode;
+ }
+ anchor = anchor.previousSibling;
+ } while (!anchor.childNodes.length);
+ }
+ const parentTextLayer = anchor.parentElement?.closest(".textLayer");
+ const endDiv = this.#textLayers.get(parentTextLayer);
+ if (endDiv) {
+ endDiv.style.width = parentTextLayer.style.width;
+ endDiv.style.height = parentTextLayer.style.height;
+ anchor.parentElement.insertBefore(endDiv, modifyStart ? anchor : anchor.nextSibling);
+ }
+ prevRange = range.cloneRange();
+ }, {
+ signal
+ });
+ }
+}
+
+;// ./web/pdf_page_view.js
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+const DEFAULT_LAYER_PROPERTIES = null;
+const LAYERS_ORDER = new Map([["canvasWrapper", 0], ["textLayer", 1], ["annotationLayer", 2], ["annotationEditorLayer", 3], ["xfaLayer", 3]]);
+class PDFPageView extends BasePDFPageView {
+ #annotationMode = AnnotationMode.ENABLE_FORMS;
+ #canvasWrapper = null;
+ #commentManager = null;
+ #enableAutoLinking = true;
+ #hasRestrictedScaling = false;
+ #isEditing = false;
+ #layerProperties = null;
+ #needsRestrictedScaling = false;
+ #originalViewport = null;
+ #previousRotation = null;
+ #scaleRoundX = 1;
+ #scaleRoundY = 1;
+ #textLayerMode = TextLayerMode.ENABLE;
+ #userUnit = 1;
+ #useThumbnailCanvas = {
+ directDrawing: true,
+ initialOptionalContent: true,
+ regularAnnotations: true
+ };
+ #layers = [null, null, null, null];
+ constructor(options) {
+ super(options);
+ const container = options.container;
+ const defaultViewport = options.defaultViewport;
+ this.renderingId = "page" + this.id;
+ this.#layerProperties = options.layerProperties || DEFAULT_LAYER_PROPERTIES;
+ this.pdfPage = null;
+ this.pageLabel = null;
+ this.rotation = 0;
+ this.scale = options.scale || DEFAULT_SCALE;
+ this.viewport = defaultViewport;
+ this.pdfPageRotate = defaultViewport.rotation;
+ this._optionalContentConfigPromise = options.optionalContentConfigPromise || null;
+ this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE;
+ this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS;
+ this.imageResourcesPath = options.imageResourcesPath || "";
+ this.enableDetailCanvas = options.enableDetailCanvas ?? true;
+ this.maxCanvasPixels = options.maxCanvasPixels ?? AppOptions.get("maxCanvasPixels");
+ this.maxCanvasDim = options.maxCanvasDim || AppOptions.get("maxCanvasDim");
+ this.capCanvasAreaFactor = options.capCanvasAreaFactor ?? AppOptions.get("capCanvasAreaFactor");
+ this.#enableAutoLinking = options.enableAutoLinking !== false;
+ this.#commentManager = options.commentManager || null;
+ this.l10n = options.l10n;
+ this.l10n ||= new genericl10n_GenericL10n();
+ this._isStandalone = !this.renderingQueue?.hasViewer();
+ this._container = container;
+ this._annotationCanvasMap = null;
+ this.annotationLayer = null;
+ this.annotationEditorLayer = null;
+ this.textLayer = null;
+ this.xfaLayer = null;
+ this.structTreeLayer = null;
+ this.drawLayer = null;
+ this.detailView = null;
+ const div = document.createElement("div");
+ div.className = "page";
+ div.setAttribute("data-page-number", this.id);
+ div.setAttribute("role", "region");
+ div.setAttribute("data-l10n-id", "pdfjs-page-landmark");
+ div.setAttribute("data-l10n-args", JSON.stringify({
+ page: this.id
+ }));
+ this.div = div;
+ this.#setDimensions();
+ container?.append(div);
+ if (this._isStandalone) {
+ container?.style.setProperty("--scale-factor", this.scale * PixelsPerInch.PDF_TO_CSS_UNITS);
+ if (this.pageColors?.background) {
+ container?.style.setProperty("--page-bg-color", this.pageColors.background);
+ }
+ const {
+ optionalContentConfigPromise
+ } = options;
+ if (optionalContentConfigPromise) {
+ optionalContentConfigPromise.then(optionalContentConfig => {
+ if (optionalContentConfigPromise !== this._optionalContentConfigPromise) {
+ return;
+ }
+ this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility;
+ });
+ }
+ if (!options.l10n) {
+ this.l10n.translate(this.div);
+ }
+ }
+ }
+ #addLayer(div, name) {
+ const pos = LAYERS_ORDER.get(name);
+ const oldDiv = this.#layers[pos];
+ this.#layers[pos] = div;
+ if (oldDiv) {
+ oldDiv.replaceWith(div);
+ return;
+ }
+ for (let i = pos - 1; i >= 0; i--) {
+ const layer = this.#layers[i];
+ if (layer) {
+ layer.after(div);
+ return;
+ }
+ }
+ this.div.prepend(div);
+ }
+ #setDimensions() {
+ const {
+ div,
+ viewport
+ } = this;
+ if (viewport.userUnit !== this.#userUnit) {
+ if (viewport.userUnit !== 1) {
+ div.style.setProperty("--user-unit", viewport.userUnit);
+ } else {
+ div.style.removeProperty("--user-unit");
+ }
+ this.#userUnit = viewport.userUnit;
+ }
+ if (this.pdfPage) {
+ if (this.#previousRotation === viewport.rotation) {
+ return;
+ }
+ this.#previousRotation = viewport.rotation;
+ }
+ setLayerDimensions(div, viewport, true, false);
+ }
+ setPdfPage(pdfPage) {
+ if (this._isStandalone && (this.pageColors?.foreground === "CanvasText" || this.pageColors?.background === "Canvas")) {
+ this._container?.style.setProperty("--hcm-highlight-filter", pdfPage.filterFactory.addHighlightHCMFilter("highlight", "CanvasText", "Canvas", "HighlightText", "Highlight"));
+ this._container?.style.setProperty("--hcm-highlight-selected-filter", pdfPage.filterFactory.addHighlightHCMFilter("highlight_selected", "CanvasText", "Canvas", "HighlightText", "Highlight"));
+ }
+ this.pdfPage = pdfPage;
+ this.pdfPageRotate = pdfPage.rotate;
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = pdfPage.getViewport({
+ scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS,
+ rotation: totalRotation
+ });
+ this.#setDimensions();
+ this.reset();
+ }
+ destroy() {
+ this.reset();
+ this.pdfPage?.cleanup();
+ }
+ hasEditableAnnotations() {
+ return !!this.annotationLayer?.hasEditableAnnotations();
+ }
+ get _textHighlighter() {
+ return shadow(this, "_textHighlighter", new TextHighlighter({
+ pageIndex: this.id - 1,
+ eventBus: this.eventBus,
+ findController: this.#layerProperties.findController
+ }));
+ }
+ #dispatchLayerRendered(name, error) {
+ this.eventBus.dispatch(name, {
+ source: this,
+ pageNumber: this.id,
+ error
+ });
+ }
+ async #renderAnnotationLayer() {
+ let error = null;
+ try {
+ await this.annotationLayer.render({
+ viewport: this.viewport,
+ intent: "display",
+ structTreeLayer: this.structTreeLayer
+ });
+ } catch (ex) {
+ console.error("#renderAnnotationLayer:", ex);
+ error = ex;
+ } finally {
+ this.#dispatchLayerRendered("annotationlayerrendered", error);
+ }
+ }
+ async #renderAnnotationEditorLayer() {
+ let error = null;
+ try {
+ await this.annotationEditorLayer.render({
+ viewport: this.viewport,
+ intent: "display"
+ });
+ } catch (ex) {
+ console.error("#renderAnnotationEditorLayer:", ex);
+ error = ex;
+ } finally {
+ this.#dispatchLayerRendered("annotationeditorlayerrendered", error);
+ }
+ }
+ async #renderDrawLayer() {
+ try {
+ await this.drawLayer.render({
+ intent: "display"
+ });
+ } catch (ex) {
+ console.error("#renderDrawLayer:", ex);
+ }
+ }
+ async #renderXfaLayer() {
+ let error = null;
+ try {
+ const result = await this.xfaLayer.render({
+ viewport: this.viewport,
+ intent: "display"
+ });
+ if (result?.textDivs && this._textHighlighter) {
+ this.#buildXfaTextContentItems(result.textDivs);
+ }
+ } catch (ex) {
+ console.error("#renderXfaLayer:", ex);
+ error = ex;
+ } finally {
+ if (this.xfaLayer?.div) {
+ this.l10n.pause();
+ this.#addLayer(this.xfaLayer.div, "xfaLayer");
+ this.l10n.resume();
+ }
+ this.#dispatchLayerRendered("xfalayerrendered", error);
+ }
+ }
+ async #renderTextLayer() {
+ if (!this.textLayer) {
+ return;
+ }
+ let error = null;
+ try {
+ await this.textLayer.render({
+ viewport: this.viewport
+ });
+ } catch (ex) {
+ if (ex instanceof AbortException) {
+ return;
+ }
+ console.error("#renderTextLayer:", ex);
+ error = ex;
+ }
+ this.#dispatchLayerRendered("textlayerrendered", error);
+ this.#renderStructTreeLayer();
+ }
+ async #renderStructTreeLayer() {
+ if (!this.textLayer) {
+ return;
+ }
+ const treeDom = await this.structTreeLayer?.render();
+ if (treeDom) {
+ this.l10n.pause();
+ this.structTreeLayer?.addElementsToTextLayer();
+ if (this.canvas && treeDom.parentNode !== this.canvas) {
+ this.canvas.append(treeDom);
+ }
+ this.l10n.resume();
+ }
+ this.structTreeLayer?.show();
+ }
+ async #buildXfaTextContentItems(textDivs) {
+ const text = await this.pdfPage.getTextContent();
+ const items = [];
+ for (const item of text.items) {
+ items.push(item.str);
+ }
+ this._textHighlighter.setTextMapping(textDivs, items);
+ this._textHighlighter.enable();
+ }
+ async #injectLinkAnnotations(textLayerPromise) {
+ let error = null;
+ try {
+ await textLayerPromise;
+ if (!this.annotationLayer) {
+ return;
+ }
+ await this.annotationLayer.injectLinkAnnotations(Autolinker.processLinks(this));
+ } catch (ex) {
+ console.error("#injectLinkAnnotations:", ex);
+ error = ex;
+ }
+ }
+ _resetCanvas() {
+ super._resetCanvas();
+ this.#originalViewport = null;
+ }
+ reset({
+ keepAnnotationLayer = false,
+ keepAnnotationEditorLayer = false,
+ keepXfaLayer = false,
+ keepTextLayer = false,
+ keepCanvasWrapper = false,
+ preserveDetailViewState = false
+ } = {}) {
+ const keepPdfBugGroups = this.pdfPage?._pdfBug ?? false;
+ this.cancelRendering({
+ keepAnnotationLayer,
+ keepAnnotationEditorLayer,
+ keepXfaLayer,
+ keepTextLayer
+ });
+ this.renderingState = RenderingStates.INITIAL;
+ const div = this.div;
+ const childNodes = div.childNodes,
+ annotationLayerNode = keepAnnotationLayer && this.annotationLayer?.div || null,
+ annotationEditorLayerNode = keepAnnotationEditorLayer && this.annotationEditorLayer?.div || null,
+ xfaLayerNode = keepXfaLayer && this.xfaLayer?.div || null,
+ textLayerNode = keepTextLayer && this.textLayer?.div || null,
+ canvasWrapperNode = keepCanvasWrapper && this.#canvasWrapper || null;
+ for (let i = childNodes.length - 1; i >= 0; i--) {
+ const node = childNodes[i];
+ switch (node) {
+ case annotationLayerNode:
+ case annotationEditorLayerNode:
+ case xfaLayerNode:
+ case textLayerNode:
+ case canvasWrapperNode:
+ continue;
+ }
+ if (keepPdfBugGroups && node.classList.contains("pdfBugGroupsLayer")) {
+ continue;
+ }
+ node.remove();
+ const layerIndex = this.#layers.indexOf(node);
+ if (layerIndex >= 0) {
+ this.#layers[layerIndex] = null;
+ }
+ }
+ div.removeAttribute("data-loaded");
+ if (annotationLayerNode) {
+ this.annotationLayer.hide();
+ }
+ if (annotationEditorLayerNode) {
+ this.annotationEditorLayer.hide();
+ }
+ if (xfaLayerNode) {
+ this.xfaLayer.hide();
+ }
+ if (textLayerNode) {
+ this.textLayer.hide();
+ }
+ this.structTreeLayer?.hide();
+ if (!keepCanvasWrapper && this.#canvasWrapper) {
+ this.#canvasWrapper = null;
+ this._resetCanvas();
+ }
+ if (!preserveDetailViewState) {
+ this.detailView?.reset({
+ keepCanvas: keepCanvasWrapper
+ });
+ if (!keepCanvasWrapper) {
+ this.detailView = null;
+ }
+ }
+ }
+ toggleEditingMode(isEditing) {
+ this.#isEditing = isEditing;
+ if (!this.hasEditableAnnotations()) {
+ return;
+ }
+ this.reset({
+ keepAnnotationLayer: true,
+ keepAnnotationEditorLayer: true,
+ keepXfaLayer: true,
+ keepTextLayer: true,
+ keepCanvasWrapper: true
+ });
+ }
+ updateVisibleArea(visibleArea) {
+ if (this.enableDetailCanvas) {
+ if (this.#needsRestrictedScaling && this.maxCanvasPixels > 0 && visibleArea) {
+ this.detailView ??= new PDFPageDetailView({
+ pageView: this,
+ enableOptimizedPartialRendering: this.enableOptimizedPartialRendering
+ });
+ this.detailView.update({
+ visibleArea
+ });
+ } else if (this.detailView) {
+ this.detailView.reset();
+ this.detailView = null;
+ }
+ }
+ }
+ update({
+ scale = 0,
+ rotation = null,
+ optionalContentConfigPromise = null,
+ drawingDelay = -1
+ }) {
+ this.scale = scale || this.scale;
+ if (typeof rotation === "number") {
+ this.rotation = rotation;
+ }
+ if (optionalContentConfigPromise instanceof Promise) {
+ this._optionalContentConfigPromise = optionalContentConfigPromise;
+ optionalContentConfigPromise.then(optionalContentConfig => {
+ if (optionalContentConfigPromise !== this._optionalContentConfigPromise) {
+ return;
+ }
+ this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility;
+ });
+ }
+ this.#useThumbnailCanvas.directDrawing = true;
+ const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
+ this.viewport = this.viewport.clone({
+ scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS,
+ rotation: totalRotation
+ });
+ this.#setDimensions();
+ if (this._isStandalone) {
+ this._container?.style.setProperty("--scale-factor", this.viewport.scale);
+ }
+ this.#computeScale();
+ if (this.canvas) {
+ const onlyCssZoom = this.#hasRestrictedScaling && this.#needsRestrictedScaling;
+ const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000;
+ if (postponeDrawing || onlyCssZoom) {
+ if (postponeDrawing && !onlyCssZoom && this.renderingState !== RenderingStates.FINISHED) {
+ this.cancelRendering({
+ keepAnnotationLayer: true,
+ keepAnnotationEditorLayer: true,
+ keepXfaLayer: true,
+ keepTextLayer: true,
+ cancelExtraDelay: drawingDelay
+ });
+ this.renderingState = RenderingStates.FINISHED;
+ this.#useThumbnailCanvas.directDrawing = false;
+ }
+ this.cssTransform({
+ redrawAnnotationLayer: true,
+ redrawAnnotationEditorLayer: true,
+ redrawXfaLayer: true,
+ redrawTextLayer: !postponeDrawing,
+ hideTextLayer: postponeDrawing
+ });
+ if (!postponeDrawing) {
+ this.detailView?.update({
+ underlyingViewUpdated: true
+ });
+ this.dispatchPageRendered(true, false);
+ }
+ return;
+ }
+ }
+ this.cssTransform({});
+ this.reset({
+ keepAnnotationLayer: true,
+ keepAnnotationEditorLayer: true,
+ keepXfaLayer: true,
+ keepTextLayer: true,
+ keepCanvasWrapper: true,
+ preserveDetailViewState: true
+ });
+ this.detailView?.update({
+ underlyingViewUpdated: true
+ });
+ }
+ #computeScale() {
+ const {
+ width,
+ height
+ } = this.viewport;
+ const outputScale = this.outputScale = new OutputScale();
+ if (this.maxCanvasPixels === 0) {
+ const invScale = 1 / this.scale;
+ outputScale.sx *= invScale;
+ outputScale.sy *= invScale;
+ this.#needsRestrictedScaling = true;
+ } else {
+ this.#needsRestrictedScaling = outputScale.limitCanvas(width, height, this.maxCanvasPixels, this.maxCanvasDim, this.capCanvasAreaFactor);
+ if (this.#needsRestrictedScaling && this.enableDetailCanvas) {
+ const factor = this.enableOptimizedPartialRendering ? 4 : 2;
+ outputScale.sx /= factor;
+ outputScale.sy /= factor;
+ }
+ }
+ }
+ cancelRendering({
+ keepAnnotationLayer = false,
+ keepAnnotationEditorLayer = false,
+ keepXfaLayer = false,
+ keepTextLayer = false,
+ cancelExtraDelay = 0
+ } = {}) {
+ super.cancelRendering({
+ cancelExtraDelay
+ });
+ if (this.textLayer && (!keepTextLayer || !this.textLayer.div)) {
+ this.textLayer.cancel();
+ this.textLayer = null;
+ }
+ if (this.annotationLayer && (!keepAnnotationLayer || !this.annotationLayer.div)) {
+ this.annotationLayer.cancel();
+ this.annotationLayer = null;
+ this._annotationCanvasMap = null;
+ }
+ if (this.structTreeLayer && !this.textLayer) {
+ this.structTreeLayer = null;
+ }
+ if (this.annotationEditorLayer && (!keepAnnotationEditorLayer || !this.annotationEditorLayer.div)) {
+ if (this.drawLayer) {
+ this.drawLayer.cancel();
+ this.drawLayer = null;
+ }
+ this.annotationEditorLayer.cancel();
+ this.annotationEditorLayer = null;
+ }
+ if (this.xfaLayer && (!keepXfaLayer || !this.xfaLayer.div)) {
+ this.xfaLayer.cancel();
+ this.xfaLayer = null;
+ this._textHighlighter?.disable();
+ }
+ }
+ cssTransform({
+ redrawAnnotationLayer = false,
+ redrawAnnotationEditorLayer = false,
+ redrawXfaLayer = false,
+ redrawTextLayer = false,
+ hideTextLayer = false
+ }) {
+ const {
+ canvas
+ } = this;
+ if (!canvas) {
+ return;
+ }
+ const originalViewport = this.#originalViewport;
+ if (this.viewport !== originalViewport) {
+ const relativeRotation = (360 + this.viewport.rotation - originalViewport.rotation) % 360;
+ if (relativeRotation === 90 || relativeRotation === 270) {
+ const {
+ width,
+ height
+ } = this.viewport;
+ const scaleX = height / width;
+ const scaleY = width / height;
+ canvas.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX},${scaleY})`;
+ } else {
+ canvas.style.transform = relativeRotation === 0 ? "" : `rotate(${relativeRotation}deg)`;
+ }
+ }
+ if (redrawAnnotationLayer && this.annotationLayer) {
+ this.#renderAnnotationLayer();
+ }
+ if (redrawAnnotationEditorLayer && this.annotationEditorLayer) {
+ if (this.drawLayer) {
+ this.#renderDrawLayer();
+ }
+ this.#renderAnnotationEditorLayer();
+ }
+ if (redrawXfaLayer && this.xfaLayer) {
+ this.#renderXfaLayer();
+ }
+ if (this.textLayer) {
+ if (hideTextLayer) {
+ this.textLayer.hide();
+ this.structTreeLayer?.hide();
+ } else if (redrawTextLayer) {
+ this.#renderTextLayer();
+ }
+ }
+ }
+ get width() {
+ return this.viewport.width;
+ }
+ get height() {
+ return this.viewport.height;
+ }
+ getPagePoint(x, y) {
+ return this.viewport.convertToPdfPoint(x, y);
+ }
+ _ensureCanvasWrapper() {
+ let canvasWrapper = this.#canvasWrapper;
+ if (!canvasWrapper) {
+ canvasWrapper = this.#canvasWrapper = document.createElement("div");
+ canvasWrapper.classList.add("canvasWrapper");
+ this.#addLayer(canvasWrapper, "canvasWrapper");
+ }
+ return canvasWrapper;
+ }
+ _getRenderingContext(canvas, transform, recordOperations) {
+ return {
+ canvas,
+ transform,
+ viewport: this.viewport,
+ annotationMode: this.#annotationMode,
+ optionalContentConfigPromise: this._optionalContentConfigPromise,
+ annotationCanvasMap: this._annotationCanvasMap,
+ pageColors: this.pageColors,
+ isEditing: this.#isEditing,
+ recordOperations
+ };
+ }
+ async draw() {
+ if (this.renderingState !== RenderingStates.INITIAL) {
+ console.error("Must be in new state before drawing");
+ this.reset();
+ }
+ const {
+ div,
+ l10n,
+ pdfPage,
+ viewport
+ } = this;
+ if (!pdfPage) {
+ this.renderingState = RenderingStates.FINISHED;
+ throw new Error("pdfPage is not loaded");
+ }
+ this.renderingState = RenderingStates.RUNNING;
+ const canvasWrapper = this._ensureCanvasWrapper();
+ if (!this.textLayer && this.#textLayerMode !== TextLayerMode.DISABLE && !pdfPage.isPureXfa) {
+ this._accessibilityManager ||= new TextAccessibilityManager();
+ this.textLayer = new TextLayerBuilder({
+ pdfPage,
+ highlighter: this._textHighlighter,
+ accessibilityManager: this._accessibilityManager,
+ enablePermissions: this.#textLayerMode === TextLayerMode.ENABLE_PERMISSIONS,
+ onAppend: textLayerDiv => {
+ this.l10n.pause();
+ this.#addLayer(textLayerDiv, "textLayer");
+ this.l10n.resume();
+ }
+ });
+ }
+ if (!this.annotationLayer && this.#annotationMode !== AnnotationMode.DISABLE) {
+ const {
+ annotationStorage,
+ annotationEditorUIManager,
+ downloadManager,
+ enableComment,
+ enableScripting,
+ fieldObjectsPromise,
+ hasJSActionsPromise,
+ linkService
+ } = this.#layerProperties;
+ this._annotationCanvasMap ||= new Map();
+ this.annotationLayer = new AnnotationLayerBuilder({
+ pdfPage,
+ annotationStorage,
+ imageResourcesPath: this.imageResourcesPath,
+ renderForms: this.#annotationMode === AnnotationMode.ENABLE_FORMS,
+ linkService,
+ downloadManager,
+ enableComment,
+ enableScripting,
+ hasJSActionsPromise,
+ fieldObjectsPromise,
+ annotationCanvasMap: this._annotationCanvasMap,
+ accessibilityManager: this._accessibilityManager,
+ annotationEditorUIManager,
+ commentManager: this.#commentManager,
+ onAppend: annotationLayerDiv => {
+ this.#addLayer(annotationLayerDiv, "annotationLayer");
+ }
+ });
+ }
+ const {
+ width,
+ height
+ } = viewport;
+ this.#originalViewport = viewport;
+ const {
+ canvas,
+ prevCanvas
+ } = this._createCanvas(newCanvas => {
+ canvasWrapper.prepend(newCanvas);
+ });
+ canvas.setAttribute("role", "presentation");
+ if (!this.outputScale) {
+ this.#computeScale();
+ }
+ const {
+ outputScale
+ } = this;
+ this.#hasRestrictedScaling = this.#needsRestrictedScaling;
+ const sfx = approximateFraction(outputScale.sx);
+ const sfy = approximateFraction(outputScale.sy);
+ const canvasWidth = canvas.width = floorToDivide(calcRound(width * outputScale.sx), sfx[0]);
+ const canvasHeight = canvas.height = floorToDivide(calcRound(height * outputScale.sy), sfy[0]);
+ const pageWidth = floorToDivide(calcRound(width), sfx[1]);
+ const pageHeight = floorToDivide(calcRound(height), sfy[1]);
+ outputScale.sx = canvasWidth / pageWidth;
+ outputScale.sy = canvasHeight / pageHeight;
+ if (this.#scaleRoundX !== sfx[1]) {
+ div.style.setProperty("--scale-round-x", `${sfx[1]}px`);
+ this.#scaleRoundX = sfx[1];
+ }
+ if (this.#scaleRoundY !== sfy[1]) {
+ div.style.setProperty("--scale-round-y", `${sfy[1]}px`);
+ this.#scaleRoundY = sfy[1];
+ }
+ const recordBBoxes = this.enableOptimizedPartialRendering && this.#hasRestrictedScaling && !this.recordedBBoxes;
+ const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
+ const resultPromise = this._drawCanvas(this._getRenderingContext(canvas, transform, recordBBoxes), () => {
+ prevCanvas?.remove();
+ this._resetCanvas();
+ }, renderTask => {
+ this.#useThumbnailCanvas.regularAnnotations = !renderTask.separateAnnots;
+ this.dispatchPageRendered(false, false);
+ }).then(async () => {
+ if (this.renderingState !== RenderingStates.FINISHED) {
+ return;
+ }
+ this.structTreeLayer ||= new StructTreeLayerBuilder(pdfPage, viewport.rawDims);
+ const textLayerPromise = this.#renderTextLayer();
+ if (this.annotationLayer) {
+ await this.#renderAnnotationLayer();
+ if (this.#enableAutoLinking && this.annotationLayer && this.textLayer) {
+ await this.#injectLinkAnnotations(textLayerPromise);
+ }
+ }
+ const {
+ annotationEditorUIManager
+ } = this.#layerProperties;
+ if (!annotationEditorUIManager) {
+ return;
+ }
+ this.drawLayer ||= new DrawLayerBuilder({
+ pageIndex: this.id
+ });
+ await this.#renderDrawLayer();
+ this.drawLayer.setParent(canvasWrapper);
+ if (this.annotationLayer || this.#annotationMode === AnnotationMode.DISABLE) {
+ this.annotationEditorLayer ||= new AnnotationEditorLayerBuilder({
+ uiManager: annotationEditorUIManager,
+ pdfPage,
+ l10n,
+ structTreeLayer: this.structTreeLayer,
+ accessibilityManager: this._accessibilityManager,
+ annotationLayer: this.annotationLayer?.annotationLayer,
+ textLayer: this.textLayer,
+ drawLayer: this.drawLayer.getDrawLayer(),
+ onAppend: annotationEditorLayerDiv => {
+ this.#addLayer(annotationEditorLayerDiv, "annotationEditorLayer");
+ }
+ });
+ this.#renderAnnotationEditorLayer();
+ }
+ });
+ if (pdfPage.isPureXfa) {
+ if (!this.xfaLayer) {
+ const {
+ annotationStorage,
+ linkService
+ } = this.#layerProperties;
+ this.xfaLayer = new XfaLayerBuilder({
+ pdfPage,
+ annotationStorage,
+ linkService
+ });
+ }
+ this.#renderXfaLayer();
+ }
+ div.setAttribute("data-loaded", true);
+ this.dispatchPageRender();
+ return resultPromise;
+ }
+ setPageLabel(label) {
+ this.pageLabel = typeof label === "string" ? label : null;
+ this.div.setAttribute("data-l10n-args", JSON.stringify({
+ page: this.pageLabel ?? this.id
+ }));
+ if (this.pageLabel !== null) {
+ this.div.setAttribute("data-page-label", this.pageLabel);
+ } else {
+ this.div.removeAttribute("data-page-label");
+ }
+ }
+ get thumbnailCanvas() {
+ const {
+ directDrawing,
+ initialOptionalContent,
+ regularAnnotations
+ } = this.#useThumbnailCanvas;
+ return directDrawing && initialOptionalContent && regularAnnotations ? this.canvas : null;
+ }
+}
+
+;// ./web/pdf_viewer.js
+
+
+
+
+
+
+const DEFAULT_CACHE_SIZE = 10;
+const PagesCountLimit = {
+ FORCE_SCROLL_MODE_PAGE: 10000,
+ FORCE_LAZY_PAGE_INIT: 5000,
+ PAUSE_EAGER_PAGE_INIT: 250
+};
+function isValidAnnotationEditorMode(mode) {
+ return Object.values(AnnotationEditorType).includes(mode) && mode !== AnnotationEditorType.DISABLE;
+}
+class PDFPageViewBuffer {
+ #buf = new Set();
+ #size = 0;
+ constructor(size) {
+ this.#size = size;
+ }
+ push(view) {
+ const buf = this.#buf;
+ if (buf.has(view)) {
+ buf.delete(view);
+ }
+ buf.add(view);
+ if (buf.size > this.#size) {
+ this.#destroyFirstView();
+ }
+ }
+ resize(newSize, idsToKeep = null) {
+ this.#size = newSize;
+ const buf = this.#buf;
+ if (idsToKeep) {
+ const ii = buf.size;
+ let i = 1;
+ for (const view of buf) {
+ if (idsToKeep.has(view.id)) {
+ buf.delete(view);
+ buf.add(view);
+ }
+ if (++i > ii) {
+ break;
+ }
+ }
+ }
+ while (buf.size > this.#size) {
+ this.#destroyFirstView();
+ }
+ }
+ has(view) {
+ return this.#buf.has(view);
+ }
+ [Symbol.iterator]() {
+ return this.#buf.keys();
+ }
+ #destroyFirstView() {
+ const firstView = this.#buf.keys().next().value;
+ firstView?.destroy();
+ this.#buf.delete(firstView);
+ }
+}
+class PDFViewer {
+ #buffer = null;
+ #altTextManager = null;
+ #annotationEditorHighlightColors = null;
+ #annotationEditorMode = AnnotationEditorType.NONE;
+ #annotationEditorUIManager = null;
+ #annotationMode = AnnotationMode.ENABLE_FORMS;
+ #commentManager = null;
+ #containerTopLeft = null;
+ #editorUndoBar = null;
+ #enableHWA = false;
+ #enableHighlightFloatingButton = false;
+ #enablePermissions = false;
+ #enableUpdatedAddImage = false;
+ #enableNewAltTextWhenAddingImage = false;
+ #enableAutoLinking = true;
+ #eventAbortController = null;
+ #minDurationToUpdateCanvas = 0;
+ #mlManager = null;
+ #printingAllowed = true;
+ #scrollTimeoutId = null;
+ #switchAnnotationEditorModeAC = null;
+ #switchAnnotationEditorModeTimeoutId = null;
+ #getAllTextInProgress = false;
+ #hiddenCopyElement = null;
+ #interruptCopyCondition = false;
+ #previousContainerHeight = 0;
+ #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this));
+ #scrollModePageState = null;
+ #scaleTimeoutId = null;
+ #signatureManager = null;
+ #supportsPinchToZoom = true;
+ #textLayerMode = TextLayerMode.ENABLE;
+ #viewerAlert = null;
+ constructor(options) {
+ const viewerVersion = "5.4.296";
+ if (version !== viewerVersion) {
+ throw new Error(`The API version "${version}" does not match the Viewer version "${viewerVersion}".`);
+ }
+ this.container = options.container;
+ this.viewer = options.viewer || options.container.firstElementChild;
+ this.#viewerAlert = options.viewerAlert || null;
+ if (this.container?.tagName !== "DIV" || this.viewer?.tagName !== "DIV") {
+ throw new Error("Invalid `container` and/or `viewer` option.");
+ }
+ if (this.container.offsetParent && getComputedStyle(this.container).position !== "absolute") {
+ throw new Error("The `container` must be absolutely positioned.");
+ }
+ this.#resizeObserver.observe(this.container);
+ this.eventBus = options.eventBus;
+ this.linkService = options.linkService || new SimpleLinkService();
+ this.downloadManager = options.downloadManager || null;
+ this.findController = options.findController || null;
+ this.#altTextManager = options.altTextManager || null;
+ this.#commentManager = options.commentManager || null;
+ this.#signatureManager = options.signatureManager || null;
+ this.#editorUndoBar = options.editorUndoBar || null;
+ if (this.findController) {
+ this.findController.onIsPageVisible = pageNumber => this._getVisiblePages().ids.has(pageNumber);
+ }
+ this._scriptingManager = options.scriptingManager || null;
+ this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE;
+ this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS;
+ this.#annotationEditorMode = options.annotationEditorMode ?? AnnotationEditorType.NONE;
+ this.#annotationEditorHighlightColors = options.annotationEditorHighlightColors || null;
+ this.#enableHighlightFloatingButton = options.enableHighlightFloatingButton === true;
+ this.#enableUpdatedAddImage = options.enableUpdatedAddImage === true;
+ this.#enableNewAltTextWhenAddingImage = options.enableNewAltTextWhenAddingImage === true;
+ this.imageResourcesPath = options.imageResourcesPath || "";
+ this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
+ this.removePageBorders = options.removePageBorders || false;
+ this.maxCanvasPixels = options.maxCanvasPixels;
+ this.maxCanvasDim = options.maxCanvasDim;
+ this.capCanvasAreaFactor = options.capCanvasAreaFactor;
+ this.enableDetailCanvas = options.enableDetailCanvas ?? true;
+ this.enableOptimizedPartialRendering = options.enableOptimizedPartialRendering ?? false;
+ this.l10n = options.l10n;
+ this.l10n ||= new genericl10n_GenericL10n();
+ this.#enablePermissions = options.enablePermissions || false;
+ this.pageColors = options.pageColors || null;
+ this.#mlManager = options.mlManager || null;
+ this.#enableHWA = options.enableHWA || false;
+ this.#supportsPinchToZoom = options.supportsPinchToZoom !== false;
+ this.#enableAutoLinking = options.enableAutoLinking !== false;
+ this.#minDurationToUpdateCanvas = options.minDurationToUpdateCanvas ?? 500;
+ this.defaultRenderingQueue = !options.renderingQueue;
+ if (this.defaultRenderingQueue) {
+ this.renderingQueue = new PDFRenderingQueue();
+ this.renderingQueue.setViewer(this);
+ } else {
+ this.renderingQueue = options.renderingQueue;
+ }
+ const {
+ abortSignal
+ } = options;
+ abortSignal?.addEventListener("abort", () => {
+ this.#resizeObserver.disconnect();
+ this.#resizeObserver = null;
+ }, {
+ once: true
+ });
+ this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this), abortSignal);
+ this.presentationModeState = PresentationModeState.UNKNOWN;
+ this._resetView();
+ if (this.removePageBorders) {
+ this.viewer.classList.add("removePageBorders");
+ }
+ this.#updateContainerHeightCss();
+ this.eventBus._on("thumbnailrendered", ({
+ pageNumber,
+ pdfPage
+ }) => {
+ const pageView = this._pages[pageNumber - 1];
+ if (!this.#buffer.has(pageView)) {
+ pdfPage?.cleanup();
+ }
+ });
+ if (!options.l10n) {
+ this.l10n.translate(this.container);
+ }
+ }
+ get printingAllowed() {
+ return this.#printingAllowed;
+ }
+ get pagesCount() {
+ return this._pages.length;
+ }
+ getPageView(index) {
+ return this._pages[index];
+ }
+ getCachedPageViews() {
+ return new Set(this.#buffer);
+ }
+ get pageViewsReady() {
+ return this._pages.every(pageView => pageView?.pdfPage);
+ }
+ get renderForms() {
+ return this.#annotationMode === AnnotationMode.ENABLE_FORMS;
+ }
+ get enableScripting() {
+ return !!this._scriptingManager;
+ }
+ get currentPageNumber() {
+ return this._currentPageNumber;
+ }
+ set currentPageNumber(val) {
+ if (!Number.isInteger(val)) {
+ throw new Error("Invalid page number.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!this._setCurrentPageNumber(val, true)) {
+ console.error(`currentPageNumber: "${val}" is not a valid page.`);
+ }
+ }
+ _setCurrentPageNumber(val, resetCurrentPageView = false) {
+ if (this._currentPageNumber === val) {
+ if (resetCurrentPageView) {
+ this.#resetCurrentPageView();
+ }
+ return true;
+ }
+ if (!(0 < val && val <= this.pagesCount)) {
+ return false;
+ }
+ const previous = this._currentPageNumber;
+ this._currentPageNumber = val;
+ this.eventBus.dispatch("pagechanging", {
+ source: this,
+ pageNumber: val,
+ pageLabel: this._pageLabels?.[val - 1] ?? null,
+ previous
+ });
+ if (resetCurrentPageView) {
+ this.#resetCurrentPageView();
+ }
+ return true;
+ }
+ get currentPageLabel() {
+ return this._pageLabels?.[this._currentPageNumber - 1] ?? null;
+ }
+ set currentPageLabel(val) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ let page = val | 0;
+ if (this._pageLabels) {
+ const i = this._pageLabels.indexOf(val);
+ if (i >= 0) {
+ page = i + 1;
+ }
+ }
+ if (!this._setCurrentPageNumber(page, true)) {
+ console.error(`currentPageLabel: "${val}" is not a valid page.`);
+ }
+ }
+ get currentScale() {
+ return this._currentScale !== UNKNOWN_SCALE ? this._currentScale : DEFAULT_SCALE;
+ }
+ set currentScale(val) {
+ if (isNaN(val)) {
+ throw new Error("Invalid numeric scale.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.#setScale(val, {
+ noScroll: false
+ });
+ }
+ get currentScaleValue() {
+ return this._currentScaleValue;
+ }
+ set currentScaleValue(val) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.#setScale(val, {
+ noScroll: false
+ });
+ }
+ get pagesRotation() {
+ return this._pagesRotation;
+ }
+ set pagesRotation(rotation) {
+ if (!isValidRotation(rotation)) {
+ throw new Error("Invalid pages rotation angle.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ rotation %= 360;
+ if (rotation < 0) {
+ rotation += 360;
+ }
+ if (this._pagesRotation === rotation) {
+ return;
+ }
+ this._pagesRotation = rotation;
+ const pageNumber = this._currentPageNumber;
+ this.refresh(true, {
+ rotation
+ });
+ if (this._currentScaleValue) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this.eventBus.dispatch("rotationchanging", {
+ source: this,
+ pagesRotation: rotation,
+ pageNumber
+ });
+ if (this.defaultRenderingQueue) {
+ this.update();
+ }
+ }
+ get firstPagePromise() {
+ return this.pdfDocument ? this._firstPageCapability.promise : null;
+ }
+ get onePageRendered() {
+ return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
+ }
+ get pagesPromise() {
+ return this.pdfDocument ? this._pagesCapability.promise : null;
+ }
+ get _layerProperties() {
+ const self = this;
+ return shadow(this, "_layerProperties", {
+ get annotationEditorUIManager() {
+ return self.#annotationEditorUIManager;
+ },
+ get annotationStorage() {
+ return self.pdfDocument?.annotationStorage;
+ },
+ get downloadManager() {
+ return self.downloadManager;
+ },
+ get enableComment() {
+ return !!self.#commentManager;
+ },
+ get enableScripting() {
+ return !!self._scriptingManager;
+ },
+ get fieldObjectsPromise() {
+ return self.pdfDocument?.getFieldObjects();
+ },
+ get findController() {
+ return self.findController;
+ },
+ get hasJSActionsPromise() {
+ return self.pdfDocument?.hasJSActions();
+ },
+ get linkService() {
+ return self.linkService;
+ }
+ });
+ }
+ #initializePermissions(permissions) {
+ const params = {
+ annotationEditorMode: this.#annotationEditorMode,
+ annotationMode: this.#annotationMode,
+ textLayerMode: this.#textLayerMode
+ };
+ if (!permissions) {
+ this.#printingAllowed = true;
+ this.eventBus.dispatch("printingallowed", {
+ source: this,
+ isAllowed: this.#printingAllowed
+ });
+ return params;
+ }
+ this.#printingAllowed = permissions.includes(PermissionFlag.PRINT_HIGH_QUALITY) || permissions.includes(PermissionFlag.PRINT);
+ this.eventBus.dispatch("printingallowed", {
+ source: this,
+ isAllowed: this.#printingAllowed
+ });
+ if (!permissions.includes(PermissionFlag.COPY) && this.#textLayerMode === TextLayerMode.ENABLE) {
+ params.textLayerMode = TextLayerMode.ENABLE_PERMISSIONS;
+ }
+ if (!permissions.includes(PermissionFlag.MODIFY_CONTENTS)) {
+ params.annotationEditorMode = AnnotationEditorType.DISABLE;
+ }
+ if (!permissions.includes(PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(PermissionFlag.FILL_INTERACTIVE_FORMS) && this.#annotationMode === AnnotationMode.ENABLE_FORMS) {
+ params.annotationMode = AnnotationMode.ENABLE;
+ }
+ return params;
+ }
+ async #onePageRenderedOrForceFetch(signal) {
+ if (document.visibilityState === "hidden" || !this.container.offsetParent || this._getVisiblePages().views.length === 0) {
+ return;
+ }
+ const hiddenCapability = Promise.withResolvers(),
+ ac = new AbortController();
+ document.addEventListener("visibilitychange", () => {
+ if (document.visibilityState === "hidden") {
+ hiddenCapability.resolve();
+ }
+ }, {
+ signal: AbortSignal.any([signal, ac.signal])
+ });
+ await Promise.race([this._onePageRenderedCapability.promise, hiddenCapability.promise]);
+ ac.abort();
+ }
+ async getAllText() {
+ const texts = [];
+ const buffer = [];
+ for (let pageNum = 1, pagesCount = this.pdfDocument.numPages; pageNum <= pagesCount; ++pageNum) {
+ if (this.#interruptCopyCondition) {
+ return null;
+ }
+ buffer.length = 0;
+ const page = await this.pdfDocument.getPage(pageNum);
+ const {
+ items
+ } = await page.getTextContent();
+ for (const item of items) {
+ if (item.str) {
+ buffer.push(item.str);
+ }
+ if (item.hasEOL) {
+ buffer.push("\n");
+ }
+ }
+ texts.push(removeNullCharacters(buffer.join("")));
+ }
+ return texts.join("\n");
+ }
+ #copyCallback(textLayerMode, event) {
+ const selection = document.getSelection();
+ const {
+ focusNode,
+ anchorNode
+ } = selection;
+ if (anchorNode && focusNode && selection.containsNode(this.#hiddenCopyElement)) {
+ if (this.#getAllTextInProgress || textLayerMode === TextLayerMode.ENABLE_PERMISSIONS) {
+ stopEvent(event);
+ return;
+ }
+ this.#getAllTextInProgress = true;
+ const {
+ classList
+ } = this.viewer;
+ classList.add("copyAll");
+ const ac = new AbortController();
+ window.addEventListener("keydown", ev => this.#interruptCopyCondition = ev.key === "Escape", {
+ signal: ac.signal
+ });
+ this.getAllText().then(async text => {
+ if (text !== null) {
+ await navigator.clipboard.writeText(text);
+ }
+ }).catch(reason => {
+ console.warn(`Something goes wrong when extracting the text: ${reason.message}`);
+ }).finally(() => {
+ this.#getAllTextInProgress = false;
+ this.#interruptCopyCondition = false;
+ ac.abort();
+ classList.remove("copyAll");
+ });
+ stopEvent(event);
+ }
+ }
+ setDocument(pdfDocument) {
+ if (this.pdfDocument) {
+ this.eventBus.dispatch("pagesdestroy", {
+ source: this
+ });
+ this._cancelRendering();
+ this._resetView();
+ this.findController?.setDocument(null);
+ this._scriptingManager?.setDocument(null);
+ this.#annotationEditorUIManager?.destroy();
+ this.#annotationEditorUIManager = null;
+ this.#annotationEditorMode = AnnotationEditorType.NONE;
+ this.#printingAllowed = true;
+ }
+ this.pdfDocument = pdfDocument;
+ if (!pdfDocument) {
+ return;
+ }
+ const pagesCount = pdfDocument.numPages;
+ const firstPagePromise = pdfDocument.getPage(1);
+ const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ });
+ const permissionsPromise = this.#enablePermissions ? pdfDocument.getPermissions() : Promise.resolve();
+ const {
+ eventBus,
+ pageColors,
+ viewer
+ } = this;
+ this.#eventAbortController = new AbortController();
+ const {
+ signal
+ } = this.#eventAbortController;
+ if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
+ console.warn("Forcing PAGE-scrolling for performance reasons, given the length of the document.");
+ const mode = this._scrollMode = ScrollMode.PAGE;
+ eventBus.dispatch("scrollmodechanged", {
+ source: this,
+ mode
+ });
+ }
+ this._pagesCapability.promise.then(() => {
+ eventBus.dispatch("pagesloaded", {
+ source: this,
+ pagesCount
+ });
+ }, () => {});
+ const onBeforeDraw = evt => {
+ const pageView = this._pages[evt.pageNumber - 1];
+ if (!pageView) {
+ return;
+ }
+ this.#buffer.push(pageView);
+ };
+ eventBus._on("pagerender", onBeforeDraw, {
+ signal
+ });
+ const onAfterDraw = evt => {
+ if (evt.cssTransform || evt.isDetailView) {
+ return;
+ }
+ this._onePageRenderedCapability.resolve({
+ timestamp: evt.timestamp
+ });
+ eventBus._off("pagerendered", onAfterDraw);
+ };
+ eventBus._on("pagerendered", onAfterDraw, {
+ signal
+ });
+ Promise.all([firstPagePromise, permissionsPromise]).then(([firstPdfPage, permissions]) => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this._firstPageCapability.resolve(firstPdfPage);
+ this._optionalContentConfigPromise = optionalContentConfigPromise;
+ const {
+ annotationEditorMode,
+ annotationMode,
+ textLayerMode
+ } = this.#initializePermissions(permissions);
+ if (textLayerMode !== TextLayerMode.DISABLE) {
+ const element = this.#hiddenCopyElement = document.createElement("div");
+ element.id = "hiddenCopyElement";
+ viewer.before(element);
+ }
+ if (annotationEditorMode !== AnnotationEditorType.DISABLE) {
+ const mode = annotationEditorMode;
+ if (pdfDocument.isPureXfa) {
+ console.warn("Warning: XFA-editing is not implemented.");
+ } else if (isValidAnnotationEditorMode(mode)) {
+ this.#annotationEditorUIManager = new AnnotationEditorUIManager(this.container, viewer, this.#viewerAlert, this.#altTextManager, this.#commentManager, this.#signatureManager, eventBus, pdfDocument, pageColors, this.#annotationEditorHighlightColors, this.#enableHighlightFloatingButton, this.#enableUpdatedAddImage, this.#enableNewAltTextWhenAddingImage, this.#mlManager, this.#editorUndoBar, this.#supportsPinchToZoom);
+ eventBus.dispatch("annotationeditoruimanager", {
+ source: this,
+ uiManager: this.#annotationEditorUIManager
+ });
+ if (mode !== AnnotationEditorType.NONE) {
+ this.#preloadEditingData(mode);
+ this.#annotationEditorUIManager.updateMode(mode);
+ }
+ } else {
+ console.error(`Invalid AnnotationEditor mode: ${mode}`);
+ }
+ }
+ const viewerElement = this._scrollMode === ScrollMode.PAGE ? null : viewer;
+ const scale = this.currentScale;
+ const viewport = firstPdfPage.getViewport({
+ scale: scale * PixelsPerInch.PDF_TO_CSS_UNITS
+ });
+ viewer.style.setProperty("--scale-factor", viewport.scale);
+ if (pageColors?.background) {
+ viewer.style.setProperty("--page-bg-color", pageColors.background);
+ }
+ if (pageColors?.foreground === "CanvasText" || pageColors?.background === "Canvas") {
+ viewer.style.setProperty("--hcm-highlight-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight", "CanvasText", "Canvas", "HighlightText", "Highlight"));
+ viewer.style.setProperty("--hcm-highlight-selected-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight_selected", "CanvasText", "Canvas", "HighlightText", "ButtonText"));
+ }
+ for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
+ const pageView = new PDFPageView({
+ container: viewerElement,
+ eventBus,
+ id: pageNum,
+ scale,
+ defaultViewport: viewport.clone(),
+ optionalContentConfigPromise,
+ renderingQueue: this.renderingQueue,
+ textLayerMode,
+ annotationMode,
+ imageResourcesPath: this.imageResourcesPath,
+ maxCanvasPixels: this.maxCanvasPixels,
+ maxCanvasDim: this.maxCanvasDim,
+ capCanvasAreaFactor: this.capCanvasAreaFactor,
+ enableDetailCanvas: this.enableDetailCanvas,
+ enableOptimizedPartialRendering: this.enableOptimizedPartialRendering,
+ pageColors,
+ l10n: this.l10n,
+ layerProperties: this._layerProperties,
+ enableHWA: this.#enableHWA,
+ enableAutoLinking: this.#enableAutoLinking,
+ minDurationToUpdateCanvas: this.#minDurationToUpdateCanvas,
+ commentManager: this.#commentManager
+ });
+ this._pages.push(pageView);
+ }
+ this._pages[0]?.setPdfPage(firstPdfPage);
+ if (this._scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ } else if (this._spreadMode !== SpreadMode.NONE) {
+ this._updateSpreadMode();
+ }
+ eventBus._on("annotationeditorlayerrendered", evt => {
+ if (this.#annotationEditorUIManager) {
+ eventBus.dispatch("annotationeditormodechanged", {
+ source: this,
+ mode: this.#annotationEditorMode
+ });
+ }
+ }, {
+ once: true,
+ signal
+ });
+ this.#onePageRenderedOrForceFetch(signal).then(async () => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.findController?.setDocument(pdfDocument);
+ this._scriptingManager?.setDocument(pdfDocument);
+ if (this.#hiddenCopyElement) {
+ document.addEventListener("copy", this.#copyCallback.bind(this, textLayerMode), {
+ signal
+ });
+ }
+ if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT) {
+ this._pagesCapability.resolve();
+ return;
+ }
+ let getPagesLeft = pagesCount - 1;
+ if (getPagesLeft <= 0) {
+ this._pagesCapability.resolve();
+ return;
+ }
+ for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
+ const promise = pdfDocument.getPage(pageNum).then(pdfPage => {
+ const pageView = this._pages[pageNum - 1];
+ if (!pageView.pdfPage) {
+ pageView.setPdfPage(pdfPage);
+ }
+ if (--getPagesLeft === 0) {
+ this._pagesCapability.resolve();
+ }
+ }, reason => {
+ console.error(`Unable to get page ${pageNum} to initialize viewer`, reason);
+ if (--getPagesLeft === 0) {
+ this._pagesCapability.resolve();
+ }
+ });
+ if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) {
+ await promise;
+ }
+ }
+ });
+ eventBus.dispatch("pagesinit", {
+ source: this
+ });
+ pdfDocument.getMetadata().then(({
+ info
+ }) => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ if (info.Language) {
+ viewer.lang = info.Language;
+ }
+ });
+ if (this.defaultRenderingQueue) {
+ this.update();
+ }
+ }).catch(reason => {
+ console.error("Unable to initialize viewer", reason);
+ this._pagesCapability.reject(reason);
+ });
+ }
+ setPageLabels(labels) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!labels) {
+ this._pageLabels = null;
+ } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
+ this._pageLabels = null;
+ console.error(`setPageLabels: Invalid page labels.`);
+ } else {
+ this._pageLabels = labels;
+ }
+ for (let i = 0, ii = this._pages.length; i < ii; i++) {
+ this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null);
+ }
+ }
+ _resetView() {
+ this._pages = [];
+ this._currentPageNumber = 1;
+ this._currentScale = UNKNOWN_SCALE;
+ this._currentScaleValue = null;
+ this._pageLabels = null;
+ this.#buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
+ this._location = null;
+ this._pagesRotation = 0;
+ this._optionalContentConfigPromise = null;
+ this._firstPageCapability = Promise.withResolvers();
+ this._onePageRenderedCapability = Promise.withResolvers();
+ this._pagesCapability = Promise.withResolvers();
+ this._scrollMode = ScrollMode.VERTICAL;
+ this._previousScrollMode = ScrollMode.UNKNOWN;
+ this._spreadMode = SpreadMode.NONE;
+ this.#scrollModePageState = {
+ previousPageNumber: 1,
+ scrollDown: true,
+ pages: []
+ };
+ this.#eventAbortController?.abort();
+ this.#eventAbortController = null;
+ this.viewer.textContent = "";
+ this._updateScrollMode();
+ this.viewer.removeAttribute("lang");
+ this.#hiddenCopyElement?.remove();
+ this.#hiddenCopyElement = null;
+ this.#cleanupTimeouts();
+ this.#cleanupSwitchAnnotationEditorMode();
+ }
+ #ensurePageViewVisible() {
+ if (this._scrollMode !== ScrollMode.PAGE) {
+ throw new Error("#ensurePageViewVisible: Invalid scrollMode value.");
+ }
+ const pageNumber = this._currentPageNumber,
+ state = this.#scrollModePageState,
+ viewer = this.viewer;
+ viewer.textContent = "";
+ state.pages.length = 0;
+ if (this._spreadMode === SpreadMode.NONE && !this.isInPresentationMode) {
+ const pageView = this._pages[pageNumber - 1];
+ viewer.append(pageView.div);
+ state.pages.push(pageView);
+ } else {
+ const pageIndexSet = new Set(),
+ parity = this._spreadMode - 1;
+ if (parity === -1) {
+ pageIndexSet.add(pageNumber - 1);
+ } else if (pageNumber % 2 !== parity) {
+ pageIndexSet.add(pageNumber - 1);
+ pageIndexSet.add(pageNumber);
+ } else {
+ pageIndexSet.add(pageNumber - 2);
+ pageIndexSet.add(pageNumber - 1);
+ }
+ const spread = document.createElement("div");
+ spread.className = "spread";
+ if (this.isInPresentationMode) {
+ const dummyPage = document.createElement("div");
+ dummyPage.className = "dummyPage";
+ spread.append(dummyPage);
+ }
+ for (const i of pageIndexSet) {
+ const pageView = this._pages[i];
+ if (!pageView) {
+ continue;
+ }
+ spread.append(pageView.div);
+ state.pages.push(pageView);
+ }
+ viewer.append(spread);
+ }
+ state.scrollDown = pageNumber >= state.previousPageNumber;
+ state.previousPageNumber = pageNumber;
+ }
+ _scrollUpdate() {
+ if (this.pagesCount === 0) {
+ return;
+ }
+ if (this.#scrollTimeoutId) {
+ clearTimeout(this.#scrollTimeoutId);
+ }
+ this.#scrollTimeoutId = setTimeout(() => {
+ this.#scrollTimeoutId = null;
+ this.update();
+ }, 100);
+ this.update();
+ }
+ #scrollIntoView(pageView, pageSpot = null) {
+ const {
+ div,
+ id
+ } = pageView;
+ if (this._currentPageNumber !== id) {
+ this._setCurrentPageNumber(id);
+ }
+ if (this._scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ this.update();
+ }
+ if (!pageSpot && !this.isInPresentationMode) {
+ const left = div.offsetLeft + div.clientLeft,
+ right = left + div.clientWidth;
+ const {
+ scrollLeft,
+ clientWidth
+ } = this.container;
+ if (this._scrollMode === ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) {
+ pageSpot = {
+ left: 0,
+ top: 0
+ };
+ }
+ }
+ scrollIntoView(div, pageSpot);
+ if (!this._currentScaleValue && this._location) {
+ this._location = null;
+ }
+ }
+ #isSameScale(newScale) {
+ return newScale === this._currentScale || Math.abs(newScale - this._currentScale) < 1e-15;
+ }
+ #setScaleUpdatePages(newScale, newValue, {
+ noScroll = false,
+ preset = false,
+ drawingDelay = -1,
+ origin = null
+ }) {
+ this._currentScaleValue = newValue.toString();
+ if (this.#isSameScale(newScale)) {
+ if (preset) {
+ this.eventBus.dispatch("scalechanging", {
+ source: this,
+ scale: newScale,
+ presetValue: newValue
+ });
+ }
+ return;
+ }
+ this.viewer.style.setProperty("--scale-factor", newScale * PixelsPerInch.PDF_TO_CSS_UNITS);
+ const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000;
+ this.refresh(true, {
+ scale: newScale,
+ drawingDelay: postponeDrawing ? drawingDelay : -1
+ });
+ if (postponeDrawing) {
+ this.#scaleTimeoutId = setTimeout(() => {
+ this.#scaleTimeoutId = null;
+ this.refresh();
+ }, drawingDelay);
+ }
+ const previousScale = this._currentScale;
+ this._currentScale = newScale;
+ if (!noScroll) {
+ let page = this._currentPageNumber,
+ dest;
+ if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
+ page = this._location.pageNumber;
+ dest = [null, {
+ name: "XYZ"
+ }, this._location.left, this._location.top, null];
+ }
+ this.scrollPageIntoView({
+ pageNumber: page,
+ destArray: dest,
+ allowNegativeOffset: true
+ });
+ if (Array.isArray(origin)) {
+ const scaleDiff = newScale / previousScale - 1;
+ const [top, left] = this.containerTopLeft;
+ this.container.scrollLeft += (origin[0] - left) * scaleDiff;
+ this.container.scrollTop += (origin[1] - top) * scaleDiff;
+ }
+ }
+ this.eventBus.dispatch("scalechanging", {
+ source: this,
+ scale: newScale,
+ presetValue: preset ? newValue : undefined
+ });
+ if (this.defaultRenderingQueue) {
+ this.update();
+ }
+ }
+ get #pageWidthScaleFactor() {
+ if (this._spreadMode !== SpreadMode.NONE && this._scrollMode !== ScrollMode.HORIZONTAL) {
+ return 2;
+ }
+ return 1;
+ }
+ #setScale(value, options) {
+ let scale = parseFloat(value);
+ if (scale > 0) {
+ options.preset = false;
+ this.#setScaleUpdatePages(scale, value, options);
+ } else {
+ const currentPage = this._pages[this._currentPageNumber - 1];
+ if (!currentPage) {
+ return;
+ }
+ let hPadding = SCROLLBAR_PADDING,
+ vPadding = VERTICAL_PADDING;
+ if (this.isInPresentationMode) {
+ hPadding = vPadding = 4;
+ if (this._spreadMode !== SpreadMode.NONE) {
+ hPadding *= 2;
+ }
+ } else if (this.removePageBorders) {
+ hPadding = vPadding = 0;
+ } else if (this._scrollMode === ScrollMode.HORIZONTAL) {
+ [hPadding, vPadding] = [vPadding, hPadding];
+ }
+ const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale / this.#pageWidthScaleFactor;
+ const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
+ switch (value) {
+ case "page-actual":
+ scale = 1;
+ break;
+ case "page-width":
+ scale = pageWidthScale;
+ break;
+ case "page-height":
+ scale = pageHeightScale;
+ break;
+ case "page-fit":
+ scale = Math.min(pageWidthScale, pageHeightScale);
+ break;
+ case "auto":
+ const horizontalScale = isPortraitOrientation(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
+ scale = Math.min(MAX_AUTO_SCALE, horizontalScale);
+ break;
+ default:
+ console.error(`#setScale: "${value}" is an unknown zoom value.`);
+ return;
+ }
+ options.preset = true;
+ this.#setScaleUpdatePages(scale, value, options);
+ }
+ }
+ #resetCurrentPageView() {
+ const pageView = this._pages[this._currentPageNumber - 1];
+ if (this.isInPresentationMode) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this.#scrollIntoView(pageView);
+ }
+ pageLabelToPageNumber(label) {
+ if (!this._pageLabels) {
+ return null;
+ }
+ const i = this._pageLabels.indexOf(label);
+ if (i < 0) {
+ return null;
+ }
+ return i + 1;
+ }
+ scrollPageIntoView({
+ pageNumber,
+ destArray = null,
+ allowNegativeOffset = false,
+ ignoreDestinationZoom = false,
+ center = null
+ }) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
+ if (!pageView) {
+ console.error(`scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`);
+ return;
+ }
+ if (this.isInPresentationMode || !destArray) {
+ this._setCurrentPageNumber(pageNumber, true);
+ return;
+ }
+ let x = 0,
+ y = 0;
+ let width = 0,
+ height = 0,
+ widthScale,
+ heightScale;
+ const changeOrientation = pageView.rotation % 180 !== 0;
+ const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS;
+ const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS;
+ let scale = 0;
+ switch (destArray[1].name) {
+ case "XYZ":
+ x = destArray[2];
+ y = destArray[3];
+ scale = destArray[4];
+ x = x !== null ? x : 0;
+ y = y !== null ? y : pageHeight;
+ break;
+ case "Fit":
+ case "FitB":
+ scale = "page-fit";
+ break;
+ case "FitH":
+ case "FitBH":
+ y = destArray[2];
+ scale = "page-width";
+ if (y === null && this._location) {
+ x = this._location.left;
+ y = this._location.top;
+ } else if (typeof y !== "number" || y < 0) {
+ y = pageHeight;
+ }
+ break;
+ case "FitV":
+ case "FitBV":
+ x = destArray[2];
+ width = pageWidth;
+ height = pageHeight;
+ scale = "page-height";
+ break;
+ case "FitR":
+ x = destArray[2];
+ y = destArray[3];
+ width = destArray[4] - x;
+ height = destArray[5] - y;
+ let hPadding = SCROLLBAR_PADDING,
+ vPadding = VERTICAL_PADDING;
+ if (this.removePageBorders) {
+ hPadding = vPadding = 0;
+ }
+ widthScale = (this.container.clientWidth - hPadding) / width / PixelsPerInch.PDF_TO_CSS_UNITS;
+ heightScale = (this.container.clientHeight - vPadding) / height / PixelsPerInch.PDF_TO_CSS_UNITS;
+ scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
+ break;
+ default:
+ console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`);
+ return;
+ }
+ if (!ignoreDestinationZoom) {
+ if (scale && scale !== this._currentScale) {
+ this.currentScaleValue = scale;
+ } else if (this._currentScale === UNKNOWN_SCALE) {
+ this.currentScaleValue = DEFAULT_SCALE_VALUE;
+ }
+ }
+ if (scale === "page-fit" && !destArray[4]) {
+ this.#scrollIntoView(pageView);
+ return;
+ }
+ const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
+ let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
+ let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
+ if (center) {
+ if (center === "both" || center === "vertical") {
+ top -= (this.container.clientHeight - Math.abs(boundingRect[1][1] - boundingRect[0][1])) / 2;
+ }
+ if (center === "both" || center === "horizontal") {
+ left -= (this.container.clientWidth - Math.abs(boundingRect[1][0] - boundingRect[0][0])) / 2;
+ }
+ } else if (!allowNegativeOffset) {
+ left = Math.max(left, 0);
+ top = Math.max(top, 0);
+ }
+ this.#scrollIntoView(pageView, {
+ left,
+ top
+ });
+ }
+ _updateLocation(firstPage) {
+ const currentScale = this._currentScale;
+ const currentScaleValue = this._currentScaleValue;
+ const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
+ const pageNumber = firstPage.id;
+ const currentPageView = this._pages[pageNumber - 1];
+ const container = this.container;
+ const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
+ const intLeft = Math.round(topLeft[0]);
+ const intTop = Math.round(topLeft[1]);
+ let pdfOpenParams = `#page=${pageNumber}`;
+ if (!this.isInPresentationMode) {
+ pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`;
+ }
+ this._location = {
+ pageNumber,
+ scale: normalizedScaleValue,
+ top: intTop,
+ left: intLeft,
+ rotation: this._pagesRotation,
+ pdfOpenParams
+ };
+ }
+ update() {
+ const visible = this._getVisiblePages();
+ const visiblePages = visible.views,
+ numVisiblePages = visiblePages.length;
+ if (numVisiblePages === 0) {
+ return;
+ }
+ const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
+ this.#buffer.resize(newCacheSize, visible.ids);
+ for (const {
+ view,
+ visibleArea
+ } of visiblePages) {
+ view.updateVisibleArea(visibleArea);
+ }
+ for (const view of this.#buffer) {
+ if (!visible.ids.has(view.id)) {
+ view.updateVisibleArea(null);
+ }
+ }
+ this.renderingQueue.renderHighestPriority(visible);
+ const isSimpleLayout = this._spreadMode === SpreadMode.NONE && (this._scrollMode === ScrollMode.PAGE || this._scrollMode === ScrollMode.VERTICAL);
+ const currentId = this._currentPageNumber;
+ let stillFullyVisible = false;
+ for (const page of visiblePages) {
+ if (page.percent < 100) {
+ break;
+ }
+ if (page.id === currentId && isSimpleLayout) {
+ stillFullyVisible = true;
+ break;
+ }
+ }
+ this._setCurrentPageNumber(stillFullyVisible ? currentId : visiblePages[0].id);
+ this._updateLocation(visible.first);
+ this.eventBus.dispatch("updateviewarea", {
+ source: this,
+ location: this._location
+ });
+ }
+ #switchToEditAnnotationMode() {
+ const visible = this._getVisiblePages();
+ const pagesToRefresh = [];
+ const {
+ ids,
+ views
+ } = visible;
+ for (const page of views) {
+ const {
+ view
+ } = page;
+ if (!view.hasEditableAnnotations()) {
+ ids.delete(view.id);
+ continue;
+ }
+ pagesToRefresh.push(page);
+ }
+ if (pagesToRefresh.length === 0) {
+ return null;
+ }
+ this.renderingQueue.renderHighestPriority({
+ first: pagesToRefresh[0],
+ last: pagesToRefresh.at(-1),
+ views: pagesToRefresh,
+ ids
+ });
+ return ids;
+ }
+ containsElement(element) {
+ return this.container.contains(element);
+ }
+ focus() {
+ this.container.focus();
+ }
+ get _isContainerRtl() {
+ return getComputedStyle(this.container).direction === "rtl";
+ }
+ get isInPresentationMode() {
+ return this.presentationModeState === PresentationModeState.FULLSCREEN;
+ }
+ get isChangingPresentationMode() {
+ return this.presentationModeState === PresentationModeState.CHANGING;
+ }
+ get isHorizontalScrollbarEnabled() {
+ return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
+ }
+ get isVerticalScrollbarEnabled() {
+ return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
+ }
+ _getVisiblePages() {
+ const views = this._scrollMode === ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages,
+ horizontal = this._scrollMode === ScrollMode.HORIZONTAL,
+ rtl = horizontal && this._isContainerRtl;
+ return getVisibleElements({
+ scrollEl: this.container,
+ views,
+ sortByVisibility: true,
+ horizontal,
+ rtl
+ });
+ }
+ cleanup() {
+ for (const pageView of this._pages) {
+ if (pageView.renderingState !== RenderingStates.FINISHED) {
+ pageView.reset();
+ }
+ }
+ }
+ _cancelRendering() {
+ for (const pageView of this._pages) {
+ pageView.cancelRendering();
+ }
+ }
+ async #ensurePdfPageLoaded(pageView) {
+ if (pageView.pdfPage) {
+ return pageView.pdfPage;
+ }
+ try {
+ const pdfPage = await this.pdfDocument.getPage(pageView.id);
+ if (!pageView.pdfPage) {
+ pageView.setPdfPage(pdfPage);
+ }
+ return pdfPage;
+ } catch (reason) {
+ console.error("Unable to get page for page view", reason);
+ return null;
+ }
+ }
+ #getScrollAhead(visible) {
+ if (visible.first?.id === 1) {
+ return true;
+ } else if (visible.last?.id === this.pagesCount) {
+ return false;
+ }
+ switch (this._scrollMode) {
+ case ScrollMode.PAGE:
+ return this.#scrollModePageState.scrollDown;
+ case ScrollMode.HORIZONTAL:
+ return this.scroll.right;
+ }
+ return this.scroll.down;
+ }
+ forceRendering(currentlyVisiblePages) {
+ const visiblePages = currentlyVisiblePages || this._getVisiblePages();
+ const scrollAhead = this.#getScrollAhead(visiblePages);
+ const preRenderExtra = this._spreadMode !== SpreadMode.NONE && this._scrollMode !== ScrollMode.HORIZONTAL;
+ const ignoreDetailViews = this.#scaleTimeoutId !== null || this.#scrollTimeoutId !== null && visiblePages.views.some(page => page.detailView?.renderingCancelled);
+ const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead, preRenderExtra, ignoreDetailViews);
+ if (pageView) {
+ this.#ensurePdfPageLoaded(pageView).then(() => {
+ this.renderingQueue.renderView(pageView);
+ });
+ return true;
+ }
+ return false;
+ }
+ get hasEqualPageSizes() {
+ const firstPageView = this._pages[0];
+ for (let i = 1, ii = this._pages.length; i < ii; ++i) {
+ const pageView = this._pages[i];
+ if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
+ return false;
+ }
+ }
+ return true;
+ }
+ getPagesOverview() {
+ let initialOrientation;
+ return this._pages.map(pageView => {
+ const viewport = pageView.pdfPage.getViewport({
+ scale: 1
+ });
+ const orientation = isPortraitOrientation(viewport);
+ if (initialOrientation === undefined) {
+ initialOrientation = orientation;
+ } else if (this.enablePrintAutoRotate && orientation !== initialOrientation) {
+ return {
+ width: viewport.height,
+ height: viewport.width,
+ rotation: (viewport.rotation - 90) % 360
+ };
+ }
+ return {
+ width: viewport.width,
+ height: viewport.height,
+ rotation: viewport.rotation
+ };
+ });
+ }
+ get optionalContentConfigPromise() {
+ if (!this.pdfDocument) {
+ return Promise.resolve(null);
+ }
+ if (!this._optionalContentConfigPromise) {
+ console.error("optionalContentConfigPromise: Not initialized yet.");
+ return this.pdfDocument.getOptionalContentConfig({
+ intent: "display"
+ });
+ }
+ return this._optionalContentConfigPromise;
+ }
+ set optionalContentConfigPromise(promise) {
+ if (!(promise instanceof Promise)) {
+ throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ if (!this._optionalContentConfigPromise) {
+ return;
+ }
+ this._optionalContentConfigPromise = promise;
+ this.refresh(false, {
+ optionalContentConfigPromise: promise
+ });
+ this.eventBus.dispatch("optionalcontentconfigchanged", {
+ source: this,
+ promise
+ });
+ }
+ get scrollMode() {
+ return this._scrollMode;
+ }
+ set scrollMode(mode) {
+ if (this._scrollMode === mode) {
+ return;
+ }
+ if (!isValidScrollMode(mode)) {
+ throw new Error(`Invalid scroll mode: ${mode}`);
+ }
+ if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
+ return;
+ }
+ this._previousScrollMode = this._scrollMode;
+ this._scrollMode = mode;
+ this.eventBus.dispatch("scrollmodechanged", {
+ source: this,
+ mode
+ });
+ this._updateScrollMode(this._currentPageNumber);
+ }
+ _updateScrollMode(pageNumber = null) {
+ const scrollMode = this._scrollMode,
+ viewer = this.viewer;
+ viewer.classList.toggle("scrollHorizontal", scrollMode === ScrollMode.HORIZONTAL);
+ viewer.classList.toggle("scrollWrapped", scrollMode === ScrollMode.WRAPPED);
+ if (!this.pdfDocument || !pageNumber) {
+ return;
+ }
+ if (scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ } else if (this._previousScrollMode === ScrollMode.PAGE) {
+ this._updateSpreadMode();
+ }
+ if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this._setCurrentPageNumber(pageNumber, true);
+ this.update();
+ }
+ get spreadMode() {
+ return this._spreadMode;
+ }
+ set spreadMode(mode) {
+ if (this._spreadMode === mode) {
+ return;
+ }
+ if (!isValidSpreadMode(mode)) {
+ throw new Error(`Invalid spread mode: ${mode}`);
+ }
+ this._spreadMode = mode;
+ this.eventBus.dispatch("spreadmodechanged", {
+ source: this,
+ mode
+ });
+ this._updateSpreadMode(this._currentPageNumber);
+ }
+ _updateSpreadMode(pageNumber = null) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ const viewer = this.viewer,
+ pages = this._pages;
+ if (this._scrollMode === ScrollMode.PAGE) {
+ this.#ensurePageViewVisible();
+ } else {
+ viewer.textContent = "";
+ if (this._spreadMode === SpreadMode.NONE) {
+ for (const pageView of this._pages) {
+ viewer.append(pageView.div);
+ }
+ } else {
+ const parity = this._spreadMode - 1;
+ let spread = null;
+ for (let i = 0, ii = pages.length; i < ii; ++i) {
+ if (spread === null) {
+ spread = document.createElement("div");
+ spread.className = "spread";
+ viewer.append(spread);
+ } else if (i % 2 === parity) {
+ spread = spread.cloneNode(false);
+ viewer.append(spread);
+ }
+ spread.append(pages[i].div);
+ }
+ }
+ }
+ if (!pageNumber) {
+ return;
+ }
+ if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
+ this.#setScale(this._currentScaleValue, {
+ noScroll: true
+ });
+ }
+ this._setCurrentPageNumber(pageNumber, true);
+ this.update();
+ }
+ _getPageAdvance(currentPageNumber, previous = false) {
+ switch (this._scrollMode) {
+ case ScrollMode.WRAPPED:
+ {
+ const {
+ views
+ } = this._getVisiblePages(),
+ pageLayout = new Map();
+ for (const {
+ id,
+ y,
+ percent,
+ widthPercent
+ } of views) {
+ if (percent === 0 || widthPercent < 100) {
+ continue;
+ }
+ let yArray = pageLayout.get(y);
+ if (!yArray) {
+ pageLayout.set(y, yArray ||= []);
+ }
+ yArray.push(id);
+ }
+ for (const yArray of pageLayout.values()) {
+ const currentIndex = yArray.indexOf(currentPageNumber);
+ if (currentIndex === -1) {
+ continue;
+ }
+ const numPages = yArray.length;
+ if (numPages === 1) {
+ break;
+ }
+ if (previous) {
+ for (let i = currentIndex - 1, ii = 0; i >= ii; i--) {
+ const currentId = yArray[i],
+ expectedId = yArray[i + 1] - 1;
+ if (currentId < expectedId) {
+ return currentPageNumber - expectedId;
+ }
+ }
+ } else {
+ for (let i = currentIndex + 1, ii = numPages; i < ii; i++) {
+ const currentId = yArray[i],
+ expectedId = yArray[i - 1] + 1;
+ if (currentId > expectedId) {
+ return expectedId - currentPageNumber;
+ }
+ }
+ }
+ if (previous) {
+ const firstId = yArray[0];
+ if (firstId < currentPageNumber) {
+ return currentPageNumber - firstId + 1;
+ }
+ } else {
+ const lastId = yArray[numPages - 1];
+ if (lastId > currentPageNumber) {
+ return lastId - currentPageNumber + 1;
+ }
+ }
+ break;
+ }
+ break;
+ }
+ case ScrollMode.HORIZONTAL:
+ {
+ break;
+ }
+ case ScrollMode.PAGE:
+ case ScrollMode.VERTICAL:
+ {
+ if (this._spreadMode === SpreadMode.NONE) {
+ break;
+ }
+ const parity = this._spreadMode - 1;
+ if (previous && currentPageNumber % 2 !== parity) {
+ break;
+ } else if (!previous && currentPageNumber % 2 === parity) {
+ break;
+ }
+ const {
+ views
+ } = this._getVisiblePages(),
+ expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1;
+ for (const {
+ id,
+ percent,
+ widthPercent
+ } of views) {
+ if (id !== expectedId) {
+ continue;
+ }
+ if (percent > 0 && widthPercent === 100) {
+ return 2;
+ }
+ break;
+ }
+ break;
+ }
+ }
+ return 1;
+ }
+ nextPage() {
+ const currentPageNumber = this._currentPageNumber,
+ pagesCount = this.pagesCount;
+ if (currentPageNumber >= pagesCount) {
+ return false;
+ }
+ const advance = this._getPageAdvance(currentPageNumber, false) || 1;
+ this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount);
+ return true;
+ }
+ previousPage() {
+ const currentPageNumber = this._currentPageNumber;
+ if (currentPageNumber <= 1) {
+ return false;
+ }
+ const advance = this._getPageAdvance(currentPageNumber, true) || 1;
+ this.currentPageNumber = Math.max(currentPageNumber - advance, 1);
+ return true;
+ }
+ updateScale({
+ drawingDelay,
+ scaleFactor = null,
+ steps = null,
+ origin
+ }) {
+ if (steps === null && scaleFactor === null) {
+ throw new Error("Invalid updateScale options: either `steps` or `scaleFactor` must be provided.");
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ let newScale = this._currentScale;
+ if (scaleFactor > 0 && scaleFactor !== 1) {
+ newScale = Math.round(newScale * scaleFactor * 100) / 100;
+ } else if (steps) {
+ const delta = steps > 0 ? DEFAULT_SCALE_DELTA : 1 / DEFAULT_SCALE_DELTA;
+ const round = steps > 0 ? Math.ceil : Math.floor;
+ steps = Math.abs(steps);
+ do {
+ newScale = round((newScale * delta).toFixed(2) * 10) / 10;
+ } while (--steps > 0);
+ }
+ newScale = MathClamp(newScale, MIN_SCALE, MAX_SCALE);
+ this.#setScale(newScale, {
+ noScroll: false,
+ drawingDelay,
+ origin
+ });
+ }
+ increaseScale(options = {}) {
+ this.updateScale({
+ ...options,
+ steps: options.steps ?? 1
+ });
+ }
+ decreaseScale(options = {}) {
+ this.updateScale({
+ ...options,
+ steps: -(options.steps ?? 1)
+ });
+ }
+ #updateContainerHeightCss(height = this.container.clientHeight) {
+ if (height !== this.#previousContainerHeight) {
+ this.#previousContainerHeight = height;
+ docStyle.setProperty("--viewer-container-height", `${height}px`);
+ }
+ }
+ #resizeObserverCallback(entries) {
+ for (const entry of entries) {
+ if (entry.target === this.container) {
+ this.#updateContainerHeightCss(Math.floor(entry.borderBoxSize[0].blockSize));
+ this.#containerTopLeft = null;
+ break;
+ }
+ }
+ }
+ get containerTopLeft() {
+ return this.#containerTopLeft ||= [this.container.offsetTop, this.container.offsetLeft];
+ }
+ #cleanupTimeouts() {
+ if (this.#scaleTimeoutId !== null) {
+ clearTimeout(this.#scaleTimeoutId);
+ this.#scaleTimeoutId = null;
+ }
+ if (this.#scrollTimeoutId !== null) {
+ clearTimeout(this.#scrollTimeoutId);
+ this.#scrollTimeoutId = null;
+ }
+ }
+ #cleanupSwitchAnnotationEditorMode() {
+ this.#switchAnnotationEditorModeAC?.abort();
+ this.#switchAnnotationEditorModeAC = null;
+ if (this.#switchAnnotationEditorModeTimeoutId !== null) {
+ clearTimeout(this.#switchAnnotationEditorModeTimeoutId);
+ this.#switchAnnotationEditorModeTimeoutId = null;
+ }
+ }
+ #preloadEditingData(mode) {
+ switch (mode) {
+ case AnnotationEditorType.STAMP:
+ this.#mlManager?.loadModel("altText");
+ break;
+ case AnnotationEditorType.SIGNATURE:
+ this.#signatureManager?.loadSignatures();
+ break;
+ }
+ }
+ get annotationEditorMode() {
+ return this.#annotationEditorUIManager ? this.#annotationEditorMode : AnnotationEditorType.DISABLE;
+ }
+ set annotationEditorMode({
+ mode,
+ editId = null,
+ isFromKeyboard = false,
+ mustEnterInEditMode = false,
+ editComment = false
+ }) {
+ if (!this.#annotationEditorUIManager) {
+ throw new Error(`The AnnotationEditor is not enabled.`);
+ }
+ if (this.#annotationEditorMode === mode) {
+ return;
+ }
+ if (!isValidAnnotationEditorMode(mode)) {
+ throw new Error(`Invalid AnnotationEditor mode: ${mode}`);
+ }
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.#preloadEditingData(mode);
+ const {
+ eventBus,
+ pdfDocument
+ } = this;
+ const updater = async () => {
+ this.#cleanupSwitchAnnotationEditorMode();
+ this.#annotationEditorMode = mode;
+ await this.#annotationEditorUIManager.updateMode(mode, editId, isFromKeyboard, mustEnterInEditMode, editComment);
+ if (mode !== this.#annotationEditorMode || pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ eventBus.dispatch("annotationeditormodechanged", {
+ source: this,
+ mode
+ });
+ };
+ if (mode === AnnotationEditorType.NONE || this.#annotationEditorMode === AnnotationEditorType.NONE) {
+ const isEditing = mode !== AnnotationEditorType.NONE;
+ if (!isEditing) {
+ this.pdfDocument.annotationStorage.resetModifiedIds();
+ }
+ this.cleanup();
+ for (const pageView of this._pages) {
+ pageView.toggleEditingMode(isEditing);
+ }
+ const idsToRefresh = this.#switchToEditAnnotationMode();
+ if (isEditing && idsToRefresh) {
+ this.#cleanupSwitchAnnotationEditorMode();
+ this.#switchAnnotationEditorModeAC = new AbortController();
+ const signal = AbortSignal.any([this.#eventAbortController.signal, this.#switchAnnotationEditorModeAC.signal]);
+ eventBus._on("pagerendered", ({
+ pageNumber
+ }) => {
+ idsToRefresh.delete(pageNumber);
+ if (idsToRefresh.size === 0) {
+ this.#switchAnnotationEditorModeTimeoutId = setTimeout(updater, 0);
+ }
+ }, {
+ signal
+ });
+ return;
+ }
+ }
+ updater();
+ }
+ refresh(noUpdate = false, updateArgs = Object.create(null)) {
+ if (!this.pdfDocument) {
+ return;
+ }
+ for (const pageView of this._pages) {
+ pageView.update(updateArgs);
+ }
+ this.#cleanupTimeouts();
+ if (!noUpdate) {
+ this.update();
+ }
+ }
+}
+
+;// ./web/secondary_toolbar.js
+
+
+class SecondaryToolbar {
+ #opts;
+ constructor(options, eventBus) {
+ this.#opts = options;
+ const buttons = [{
+ element: options.presentationModeButton,
+ eventName: "presentationmode",
+ close: true
+ }, {
+ element: options.printButton,
+ eventName: "print",
+ close: true
+ }, {
+ element: options.downloadButton,
+ eventName: "download",
+ close: true
+ }, {
+ element: options.viewBookmarkButton,
+ eventName: null,
+ close: true
+ }, {
+ element: options.firstPageButton,
+ eventName: "firstpage",
+ close: true
+ }, {
+ element: options.lastPageButton,
+ eventName: "lastpage",
+ close: true
+ }, {
+ element: options.pageRotateCwButton,
+ eventName: "rotatecw",
+ close: false
+ }, {
+ element: options.pageRotateCcwButton,
+ eventName: "rotateccw",
+ close: false
+ }, {
+ element: options.cursorSelectToolButton,
+ eventName: "switchcursortool",
+ eventDetails: {
+ tool: CursorTool.SELECT
+ },
+ close: true
+ }, {
+ element: options.cursorHandToolButton,
+ eventName: "switchcursortool",
+ eventDetails: {
+ tool: CursorTool.HAND
+ },
+ close: true
+ }, {
+ element: options.scrollPageButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.PAGE
+ },
+ close: true
+ }, {
+ element: options.scrollVerticalButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.VERTICAL
+ },
+ close: true
+ }, {
+ element: options.scrollHorizontalButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.HORIZONTAL
+ },
+ close: true
+ }, {
+ element: options.scrollWrappedButton,
+ eventName: "switchscrollmode",
+ eventDetails: {
+ mode: ScrollMode.WRAPPED
+ },
+ close: true
+ }, {
+ element: options.spreadNoneButton,
+ eventName: "switchspreadmode",
+ eventDetails: {
+ mode: SpreadMode.NONE
+ },
+ close: true
+ }, {
+ element: options.spreadOddButton,
+ eventName: "switchspreadmode",
+ eventDetails: {
+ mode: SpreadMode.ODD
+ },
+ close: true
+ }, {
+ element: options.spreadEvenButton,
+ eventName: "switchspreadmode",
+ eventDetails: {
+ mode: SpreadMode.EVEN
+ },
+ close: true
+ }, {
+ element: options.imageAltTextSettingsButton,
+ eventName: "imagealttextsettings",
+ close: true
+ }, {
+ element: options.documentPropertiesButton,
+ eventName: "documentproperties",
+ close: true
+ }];
+ buttons.push({
+ element: options.openFileButton,
+ eventName: "openfile",
+ close: true
+ });
+ this.eventBus = eventBus;
+ this.opened = false;
+ this.#bindListeners(buttons);
+ this.reset();
+ }
+ get isOpen() {
+ return this.opened;
+ }
+ setPageNumber(pageNumber) {
+ this.pageNumber = pageNumber;
+ this.#updateUIState();
+ }
+ setPagesCount(pagesCount) {
+ this.pagesCount = pagesCount;
+ this.#updateUIState();
+ }
+ reset() {
+ this.pageNumber = 0;
+ this.pagesCount = 0;
+ this.#updateUIState();
+ this.eventBus.dispatch("switchcursortool", {
+ source: this,
+ reset: true
+ });
+ this.#scrollModeChanged({
+ mode: ScrollMode.VERTICAL
+ });
+ this.#spreadModeChanged({
+ mode: SpreadMode.NONE
+ });
+ }
+ #updateUIState() {
+ const {
+ firstPageButton,
+ lastPageButton,
+ pageRotateCwButton,
+ pageRotateCcwButton
+ } = this.#opts;
+ firstPageButton.disabled = this.pageNumber <= 1;
+ lastPageButton.disabled = this.pageNumber >= this.pagesCount;
+ pageRotateCwButton.disabled = this.pagesCount === 0;
+ pageRotateCcwButton.disabled = this.pagesCount === 0;
+ }
+ #bindListeners(buttons) {
+ const {
+ eventBus
+ } = this;
+ const {
+ toggleButton
+ } = this.#opts;
+ toggleButton.addEventListener("click", this.toggle.bind(this));
+ for (const {
+ element,
+ eventName,
+ close,
+ eventDetails
+ } of buttons) {
+ element.addEventListener("click", evt => {
+ if (eventName !== null) {
+ eventBus.dispatch(eventName, {
+ source: this,
+ ...eventDetails
+ });
+ }
+ if (close) {
+ this.close();
+ }
+ eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "buttons",
+ data: {
+ id: element.id
+ }
+ }
+ });
+ });
+ }
+ eventBus._on("cursortoolchanged", this.#cursorToolChanged.bind(this));
+ eventBus._on("scrollmodechanged", this.#scrollModeChanged.bind(this));
+ eventBus._on("spreadmodechanged", this.#spreadModeChanged.bind(this));
+ }
+ #cursorToolChanged({
+ tool,
+ disabled
+ }) {
+ const {
+ cursorSelectToolButton,
+ cursorHandToolButton
+ } = this.#opts;
+ toggleCheckedBtn(cursorSelectToolButton, tool === CursorTool.SELECT);
+ toggleCheckedBtn(cursorHandToolButton, tool === CursorTool.HAND);
+ cursorSelectToolButton.disabled = disabled;
+ cursorHandToolButton.disabled = disabled;
+ }
+ #scrollModeChanged({
+ mode
+ }) {
+ const {
+ scrollPageButton,
+ scrollVerticalButton,
+ scrollHorizontalButton,
+ scrollWrappedButton,
+ spreadNoneButton,
+ spreadOddButton,
+ spreadEvenButton
+ } = this.#opts;
+ toggleCheckedBtn(scrollPageButton, mode === ScrollMode.PAGE);
+ toggleCheckedBtn(scrollVerticalButton, mode === ScrollMode.VERTICAL);
+ toggleCheckedBtn(scrollHorizontalButton, mode === ScrollMode.HORIZONTAL);
+ toggleCheckedBtn(scrollWrappedButton, mode === ScrollMode.WRAPPED);
+ const forceScrollModePage = this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE;
+ scrollPageButton.disabled = forceScrollModePage;
+ scrollVerticalButton.disabled = forceScrollModePage;
+ scrollHorizontalButton.disabled = forceScrollModePage;
+ scrollWrappedButton.disabled = forceScrollModePage;
+ const isHorizontal = mode === ScrollMode.HORIZONTAL;
+ spreadNoneButton.disabled = isHorizontal;
+ spreadOddButton.disabled = isHorizontal;
+ spreadEvenButton.disabled = isHorizontal;
+ }
+ #spreadModeChanged({
+ mode
+ }) {
+ const {
+ spreadNoneButton,
+ spreadOddButton,
+ spreadEvenButton
+ } = this.#opts;
+ toggleCheckedBtn(spreadNoneButton, mode === SpreadMode.NONE);
+ toggleCheckedBtn(spreadOddButton, mode === SpreadMode.ODD);
+ toggleCheckedBtn(spreadEvenButton, mode === SpreadMode.EVEN);
+ }
+ open() {
+ if (this.opened) {
+ return;
+ }
+ this.opened = true;
+ const {
+ toggleButton,
+ toolbar
+ } = this.#opts;
+ toggleExpandedBtn(toggleButton, true, toolbar);
+ }
+ close() {
+ if (!this.opened) {
+ return;
+ }
+ this.opened = false;
+ const {
+ toggleButton,
+ toolbar
+ } = this.#opts;
+ toggleExpandedBtn(toggleButton, false, toolbar);
+ }
+ toggle() {
+ if (this.opened) {
+ this.close();
+ } else {
+ this.open();
+ }
+ }
+}
+
+;// ./web/signature_manager.js
+
+const DEFAULT_HEIGHT_IN_PAGE = 40;
+class SignatureManager {
+ #addButton;
+ #tabsToAltText = null;
+ #clearButton;
+ #clearDescription;
+ #currentEditor;
+ #description;
+ #dialog;
+ #drawCurves = null;
+ #drawPlaceholder;
+ #drawPath = null;
+ #drawPathString = "";
+ #drawPoints = null;
+ #drawSVG;
+ #drawThickness;
+ #errorBar;
+ #errorDescription;
+ #errorTitle;
+ #extractedSignatureData = null;
+ #imagePath = null;
+ #imagePicker;
+ #imagePickerLink;
+ #imagePlaceholder;
+ #imageSVG;
+ #saveCheckbox;
+ #saveContainer;
+ #tabButtons;
+ #addSignatureToolbarButton;
+ #loadSignaturesPromise = null;
+ #typeInput;
+ #currentTab = null;
+ #currentTabAC = null;
+ #hasDescriptionChanged = false;
+ #eventBus;
+ #isStorageFull = false;
+ #l10n;
+ #overlayManager;
+ #editDescriptionDialog;
+ #signatureStorage;
+ #uiManager = null;
+ static #l10nDescription = null;
+ constructor({
+ dialog,
+ panels,
+ typeButton,
+ typeInput,
+ drawButton,
+ drawPlaceholder,
+ drawSVG,
+ drawThickness,
+ imageButton,
+ imageSVG,
+ imagePlaceholder,
+ imagePicker,
+ imagePickerLink,
+ description,
+ clearButton,
+ cancelButton,
+ addButton,
+ errorCloseButton,
+ errorBar,
+ errorTitle,
+ errorDescription,
+ saveCheckbox,
+ saveContainer
+ }, editSignatureElements, addSignatureToolbarButton, overlayManager, l10n, signatureStorage, eventBus) {
+ this.#addButton = addButton;
+ this.#clearButton = clearButton;
+ this.#clearDescription = description.lastElementChild;
+ this.#description = description.firstElementChild;
+ this.#dialog = dialog;
+ this.#drawSVG = drawSVG;
+ this.#drawPlaceholder = drawPlaceholder;
+ this.#drawThickness = drawThickness;
+ this.#errorBar = errorBar;
+ this.#errorTitle = errorTitle;
+ this.#errorDescription = errorDescription;
+ this.#imageSVG = imageSVG;
+ this.#imagePlaceholder = imagePlaceholder;
+ this.#imagePicker = imagePicker;
+ this.#imagePickerLink = imagePickerLink;
+ this.#overlayManager = overlayManager;
+ this.#saveCheckbox = saveCheckbox;
+ this.#saveContainer = saveContainer;
+ this.#addSignatureToolbarButton = addSignatureToolbarButton;
+ this.#typeInput = typeInput;
+ this.#l10n = l10n;
+ this.#signatureStorage = signatureStorage;
+ this.#eventBus = eventBus;
+ this.#editDescriptionDialog = new EditDescriptionDialog(editSignatureElements, overlayManager);
+ SignatureManager.#l10nDescription ||= Object.freeze({
+ signature: "pdfjs-editor-add-signature-description-default-when-drawing",
+ errorUploadTitle: "pdfjs-editor-add-signature-image-upload-error-title",
+ errorUploadDescription: "pdfjs-editor-add-signature-image-upload-error-description",
+ errorNoDataTitle: "pdfjs-editor-add-signature-image-no-data-error-title",
+ errorNoDataDescription: "pdfjs-editor-add-signature-image-no-data-error-description"
+ });
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", e => {
+ const {
+ target
+ } = e;
+ if (target !== this.#typeInput && target !== this.#description) {
+ e.preventDefault();
+ }
+ });
+ dialog.addEventListener("drop", e => {
+ stopEvent(e);
+ });
+ cancelButton.addEventListener("click", this.#cancel.bind(this));
+ addButton.addEventListener("click", this.#add.bind(this));
+ clearButton.addEventListener("click", () => {
+ this.#reportTelemetry({
+ type: "signature",
+ action: "pdfjs.signature.clear",
+ data: {
+ type: this.#currentTab
+ }
+ });
+ this.#initTab(null);
+ }, {
+ passive: true
+ });
+ this.#description.addEventListener("input", () => {
+ this.#clearDescription.disabled = this.#description.value === "";
+ }, {
+ passive: true
+ });
+ this.#clearDescription.addEventListener("click", () => {
+ this.#description.value = "";
+ this.#clearDescription.disabled = true;
+ }, {
+ passive: true
+ });
+ errorCloseButton.addEventListener("click", () => {
+ errorBar.hidden = true;
+ }, {
+ passive: true
+ });
+ this.#initTabButtons(typeButton, drawButton, imageButton, panels);
+ imagePicker.accept = SupportedImageMimeTypes.join(",");
+ eventBus._on("storedsignatureschanged", this.#signaturesChanged.bind(this));
+ overlayManager.register(dialog);
+ }
+ #initTabButtons(typeButton, drawButton, imageButton, panels) {
+ const buttons = this.#tabButtons = new Map([["type", typeButton], ["draw", drawButton], ["image", imageButton]]);
+ const tabCallback = e => {
+ for (const [name, button] of buttons) {
+ if (button === e.target) {
+ button.setAttribute("aria-selected", true);
+ button.setAttribute("tabindex", 0);
+ panels.setAttribute("data-selected", name);
+ this.#initTab(name);
+ } else {
+ button.setAttribute("aria-selected", false);
+ button.setAttribute("tabindex", -1);
+ }
+ }
+ };
+ const buttonsArray = Array.from(buttons.values());
+ for (let i = 0, ii = buttonsArray.length; i < ii; i++) {
+ const button = buttonsArray[i];
+ button.addEventListener("click", tabCallback, {
+ passive: true
+ });
+ button.addEventListener("keydown", ({
+ key
+ }) => {
+ if (key !== "ArrowLeft" && key !== "ArrowRight") {
+ return;
+ }
+ buttonsArray[i + (key === "ArrowLeft" ? -1 : 1)]?.focus();
+ }, {
+ passive: true
+ });
+ }
+ }
+ #resetCommon() {
+ this.#hasDescriptionChanged = false;
+ this.#description.value = "";
+ if (this.#currentTab) {
+ this.#tabsToAltText.get(this.#currentTab).value = "";
+ }
+ }
+ #resetTab(name) {
+ switch (name) {
+ case "type":
+ this.#typeInput.value = "";
+ break;
+ case "draw":
+ this.#drawCurves = null;
+ this.#drawPoints = null;
+ this.#drawPathString = "";
+ this.#drawPath?.remove();
+ this.#drawPath = null;
+ this.#drawPlaceholder.hidden = false;
+ this.#drawThickness.value = 1;
+ break;
+ case "image":
+ this.#imagePlaceholder.hidden = false;
+ this.#imagePath?.remove();
+ this.#imagePath = null;
+ break;
+ }
+ }
+ #initTab(name) {
+ if (name && this.#currentTab === name) {
+ return;
+ }
+ if (this.#currentTab) {
+ this.#tabsToAltText.get(this.#currentTab).value = this.#description.value;
+ }
+ if (name) {
+ this.#currentTab = name;
+ }
+ this.#errorBar.hidden = true;
+ const reset = !name;
+ if (reset) {
+ this.#resetCommon();
+ } else {
+ this.#description.value = this.#tabsToAltText.get(this.#currentTab).value;
+ }
+ this.#clearDescription.disabled = this.#description.value === "";
+ this.#currentTabAC?.abort();
+ this.#currentTabAC = new AbortController();
+ switch (this.#currentTab) {
+ case "type":
+ this.#initTypeTab(reset);
+ break;
+ case "draw":
+ this.#initDrawTab(reset);
+ break;
+ case "image":
+ this.#initImageTab(reset);
+ break;
+ }
+ }
+ #disableButtons(value) {
+ if (!value || !this.#isStorageFull) {
+ this.#saveCheckbox.disabled = !value;
+ }
+ this.#clearButton.disabled = this.#addButton.disabled = this.#description.disabled = !value;
+ }
+ #initTypeTab(reset) {
+ if (reset) {
+ this.#resetTab("type");
+ }
+ this.#disableButtons(this.#typeInput.value);
+ const {
+ signal
+ } = this.#currentTabAC;
+ const options = {
+ passive: true,
+ signal
+ };
+ this.#typeInput.addEventListener("input", () => {
+ const {
+ value
+ } = this.#typeInput;
+ if (!this.#hasDescriptionChanged) {
+ this.#tabsToAltText.get("type").default = this.#description.value = value;
+ this.#clearDescription.disabled = value === "";
+ }
+ this.#disableButtons(value);
+ }, options);
+ this.#description.addEventListener("input", () => {
+ this.#hasDescriptionChanged = this.#typeInput.value !== this.#description.value;
+ }, options);
+ }
+ #initDrawTab(reset) {
+ if (reset) {
+ this.#resetTab("draw");
+ }
+ this.#disableButtons(this.#drawPath);
+ const {
+ signal
+ } = this.#currentTabAC;
+ const options = {
+ signal
+ };
+ let currentPointerId = NaN;
+ const drawCallback = e => {
+ const {
+ pointerId
+ } = e;
+ if (!isNaN(currentPointerId) && currentPointerId !== pointerId) {
+ return;
+ }
+ currentPointerId = pointerId;
+ e.preventDefault();
+ this.#drawSVG.setPointerCapture(pointerId);
+ const {
+ width: drawWidth,
+ height: drawHeight
+ } = this.#drawSVG.getBoundingClientRect();
+ let {
+ offsetX,
+ offsetY
+ } = e;
+ offsetX = Math.round(offsetX);
+ offsetY = Math.round(offsetY);
+ if (e.target === this.#drawPlaceholder) {
+ this.#drawPlaceholder.hidden = true;
+ }
+ if (!this.#drawCurves) {
+ this.#drawCurves = {
+ width: drawWidth,
+ height: drawHeight,
+ thickness: parseInt(this.#drawThickness.value),
+ curves: []
+ };
+ this.#disableButtons(true);
+ const svgFactory = new DOMSVGFactory();
+ const path = this.#drawPath = svgFactory.createElement("path");
+ path.setAttribute("stroke-width", this.#drawThickness.value);
+ this.#drawSVG.append(path);
+ this.#drawSVG.addEventListener("pointerdown", drawCallback, options);
+ this.#drawPlaceholder.removeEventListener("pointerdown", drawCallback);
+ if (this.#description.value === "") {
+ this.#l10n.get(SignatureManager.#l10nDescription.signature).then(description => {
+ this.#tabsToAltText.get("draw").default = description;
+ this.#description.value ||= description;
+ this.#clearDescription.disabled = this.#description.value === "";
+ });
+ }
+ }
+ this.#drawPoints = [offsetX, offsetY];
+ this.#drawCurves.curves.push({
+ points: this.#drawPoints
+ });
+ this.#drawPathString += `M ${offsetX} ${offsetY}`;
+ this.#drawPath.setAttribute("d", this.#drawPathString);
+ const finishDrawAC = new AbortController();
+ const listenerDrawOptions = {
+ signal: AbortSignal.any([signal, finishDrawAC.signal])
+ };
+ this.#drawSVG.addEventListener("contextmenu", noContextMenu, listenerDrawOptions);
+ this.#drawSVG.addEventListener("pointermove", evt => {
+ evt.preventDefault();
+ let {
+ offsetX: x,
+ offsetY: y
+ } = evt;
+ x = Math.round(x);
+ y = Math.round(y);
+ const drawPoints = this.#drawPoints;
+ if (x < 0 || y < 0 || x > drawWidth || y > drawHeight || x === drawPoints.at(-2) && y === drawPoints.at(-1)) {
+ return;
+ }
+ if (drawPoints.length >= 4) {
+ const [x1, y1, x2, y2] = drawPoints.slice(-4);
+ this.#drawPathString += `C${(x1 + 5 * x2) / 6} ${(y1 + 5 * y2) / 6} ${(5 * x2 + x) / 6} ${(5 * y2 + y) / 6} ${(x2 + x) / 2} ${(y2 + y) / 2}`;
+ } else {
+ this.#drawPathString += `L${x} ${y}`;
+ }
+ drawPoints.push(x, y);
+ this.#drawPath.setAttribute("d", this.#drawPathString);
+ }, listenerDrawOptions);
+ this.#drawSVG.addEventListener("pointerup", evt => {
+ const {
+ pointerId: pId
+ } = evt;
+ if (!isNaN(currentPointerId) && currentPointerId !== pId) {
+ return;
+ }
+ currentPointerId = NaN;
+ evt.preventDefault();
+ this.#drawSVG.releasePointerCapture(pId);
+ finishDrawAC.abort();
+ if (this.#drawPoints.length === 2) {
+ this.#drawPathString += `L${this.#drawPoints[0]} ${this.#drawPoints[1]}`;
+ this.#drawPath.setAttribute("d", this.#drawPathString);
+ }
+ }, listenerDrawOptions);
+ };
+ if (this.#drawCurves) {
+ this.#drawSVG.addEventListener("pointerdown", drawCallback, options);
+ } else {
+ this.#drawPlaceholder.addEventListener("pointerdown", drawCallback, options);
+ }
+ this.#drawThickness.addEventListener("input", () => {
+ const {
+ value: thickness
+ } = this.#drawThickness;
+ this.#drawThickness.setAttribute("data-l10n-args", JSON.stringify({
+ thickness
+ }));
+ if (!this.#drawCurves) {
+ return;
+ }
+ this.#drawPath.setAttribute("stroke-width", thickness);
+ this.#drawCurves.thickness = thickness;
+ }, options);
+ }
+ #showError(type) {
+ this.#errorTitle.setAttribute("data-l10n-id", SignatureManager.#l10nDescription[`error${type}Title`]);
+ this.#errorDescription.setAttribute("data-l10n-id", SignatureManager.#l10nDescription[`error${type}Description`]);
+ this.#errorBar.hidden = false;
+ }
+ #initImageTab(reset) {
+ if (reset) {
+ this.#resetTab("image");
+ }
+ this.#disableButtons(this.#imagePath);
+ const {
+ signal
+ } = this.#currentTabAC;
+ const options = {
+ signal
+ };
+ const passiveOptions = {
+ passive: true,
+ signal
+ };
+ this.#imagePickerLink.addEventListener("keydown", e => {
+ const {
+ key
+ } = e;
+ if (key === "Enter" || key === " ") {
+ stopEvent(e);
+ this.#imagePicker.click();
+ }
+ }, options);
+ this.#imagePicker.addEventListener("click", () => {
+ this.#dialog.classList.toggle("waiting", true);
+ }, passiveOptions);
+ this.#imagePicker.addEventListener("change", async () => {
+ const file = this.#imagePicker.files?.[0];
+ if (!file || !SupportedImageMimeTypes.includes(file.type)) {
+ this.#showError("Upload");
+ this.#dialog.classList.toggle("waiting", false);
+ return;
+ }
+ await this.#extractSignature(file);
+ }, passiveOptions);
+ this.#imagePicker.addEventListener("cancel", () => {
+ this.#dialog.classList.toggle("waiting", false);
+ }, passiveOptions);
+ this.#imagePlaceholder.addEventListener("dragover", e => {
+ const {
+ dataTransfer
+ } = e;
+ for (const {
+ type
+ } of dataTransfer.items) {
+ if (!SupportedImageMimeTypes.includes(type)) {
+ continue;
+ }
+ dataTransfer.dropEffect = dataTransfer.effectAllowed === "copy" ? "copy" : "move";
+ stopEvent(e);
+ return;
+ }
+ dataTransfer.dropEffect = "none";
+ }, options);
+ this.#imagePlaceholder.addEventListener("drop", e => {
+ const {
+ dataTransfer: {
+ files
+ }
+ } = e;
+ if (!files?.length) {
+ return;
+ }
+ for (const file of files) {
+ if (SupportedImageMimeTypes.includes(file.type)) {
+ this.#extractSignature(file);
+ break;
+ }
+ }
+ stopEvent(e);
+ this.#dialog.classList.toggle("waiting", true);
+ }, options);
+ }
+ async #extractSignature(file) {
+ let data;
+ try {
+ data = await this.#uiManager.imageManager.getFromFile(file);
+ } catch (e) {
+ console.error("SignatureManager.#extractSignature.", e);
+ }
+ if (!data) {
+ this.#showError("Upload");
+ this.#dialog.classList.toggle("waiting", false);
+ return;
+ }
+ const lineData = this.#extractedSignatureData = this.#currentEditor.getFromImage(data.bitmap);
+ if (!lineData) {
+ this.#showError("NoData");
+ this.#dialog.classList.toggle("waiting", false);
+ return;
+ }
+ const {
+ outline
+ } = lineData;
+ this.#imagePlaceholder.hidden = true;
+ this.#disableButtons(true);
+ const svgFactory = new DOMSVGFactory();
+ const path = this.#imagePath = svgFactory.createElement("path");
+ this.#imageSVG.setAttribute("viewBox", outline.viewBox);
+ this.#imageSVG.setAttribute("preserveAspectRatio", "xMidYMid meet");
+ this.#imageSVG.append(path);
+ path.setAttribute("d", outline.toSVGPath());
+ this.#tabsToAltText.get("image").default = file.name;
+ if (this.#description.value === "") {
+ this.#description.value = file.name || "";
+ this.#clearDescription.disabled = this.#description.value === "";
+ }
+ this.#dialog.classList.toggle("waiting", false);
+ }
+ #getOutlineForType() {
+ return this.#currentEditor.getFromText(this.#typeInput.value, window.getComputedStyle(this.#typeInput));
+ }
+ #getOutlineForDraw() {
+ const {
+ width,
+ height
+ } = this.#drawSVG.getBoundingClientRect();
+ return this.#currentEditor.getDrawnSignature(this.#drawCurves, width, height);
+ }
+ #reportTelemetry(data) {
+ this.#eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: {
+ type: "editing",
+ data
+ }
+ });
+ }
+ #addToolbarButton(signatureData, uuid, description) {
+ const {
+ curves,
+ areContours,
+ thickness,
+ width,
+ height
+ } = signatureData;
+ const maxDim = Math.max(width, height);
+ const outlineData = SignatureExtractor.processDrawnLines({
+ lines: {
+ curves,
+ thickness,
+ width,
+ height
+ },
+ pageWidth: maxDim,
+ pageHeight: maxDim,
+ rotation: 0,
+ innerMargin: 0,
+ mustSmooth: false,
+ areContours
+ });
+ if (!outlineData) {
+ return;
+ }
+ const {
+ outline
+ } = outlineData;
+ const svgFactory = new DOMSVGFactory();
+ const div = document.createElement("div");
+ const button = document.createElement("button");
+ button.addEventListener("click", () => {
+ this.#eventBus.dispatch("switchannotationeditorparams", {
+ source: this,
+ type: AnnotationEditorParamsType.CREATE,
+ value: {
+ signatureData: {
+ lines: {
+ curves,
+ thickness,
+ width,
+ height
+ },
+ mustSmooth: false,
+ areContours,
+ description,
+ uuid,
+ heightInPage: DEFAULT_HEIGHT_IN_PAGE
+ }
+ }
+ });
+ });
+ div.append(button);
+ div.classList.add("toolbarAddSignatureButtonContainer");
+ const svg = svgFactory.create(1, 1, true);
+ button.append(svg);
+ const span = document.createElement("span");
+ span.ariaHidden = true;
+ button.append(span);
+ button.classList.add("toolbarAddSignatureButton");
+ button.type = "button";
+ span.textContent = description;
+ button.setAttribute("data-l10n-id", "pdfjs-editor-add-saved-signature-button");
+ button.setAttribute("data-l10n-args", JSON.stringify({
+ description
+ }));
+ button.tabIndex = 0;
+ const path = svgFactory.createElement("path");
+ svg.append(path);
+ svg.setAttribute("viewBox", outline.viewBox);
+ svg.setAttribute("preserveAspectRatio", "xMidYMid meet");
+ if (areContours) {
+ path.classList.add("contours");
+ }
+ path.setAttribute("d", outline.toSVGPath());
+ const deleteButton = document.createElement("button");
+ div.append(deleteButton);
+ deleteButton.classList.add("toolbarButton", "deleteButton");
+ deleteButton.setAttribute("data-l10n-id", "pdfjs-editor-delete-signature-button1");
+ deleteButton.type = "button";
+ deleteButton.tabIndex = 0;
+ deleteButton.addEventListener("click", async () => {
+ if (await this.#signatureStorage.delete(uuid)) {
+ div.remove();
+ this.#reportTelemetry({
+ type: "signature",
+ action: "pdfjs.signature.delete_saved",
+ data: {
+ savedCount: await this.#signatureStorage.size()
+ }
+ });
+ }
+ });
+ const deleteSpan = document.createElement("span");
+ deleteButton.append(deleteSpan);
+ deleteSpan.setAttribute("data-l10n-id", "pdfjs-editor-delete-signature-button-label1");
+ this.#addSignatureToolbarButton.before(div);
+ }
+ async #signaturesChanged() {
+ const parent = this.#addSignatureToolbarButton.parentElement;
+ while (parent.firstElementChild !== this.#addSignatureToolbarButton) {
+ parent.firstElementChild.remove();
+ }
+ this.#loadSignaturesPromise = null;
+ await this.loadSignatures(true);
+ }
+ getSignature(params) {
+ return this.open(params);
+ }
+ async loadSignatures(reload = false) {
+ if (!this.#addSignatureToolbarButton || !reload && this.#addSignatureToolbarButton.previousElementSibling || !this.#signatureStorage) {
+ return;
+ }
+ if (!this.#loadSignaturesPromise) {
+ this.#loadSignaturesPromise = this.#signatureStorage.getAll().then(async signatures => [signatures, await Promise.all(Array.from(signatures.values(), ({
+ signatureData
+ }) => SignatureExtractor.decompressSignature(signatureData)))]);
+ if (!reload) {
+ return;
+ }
+ }
+ const [signatures, signaturesData] = await this.#loadSignaturesPromise;
+ this.#loadSignaturesPromise = null;
+ let i = 0;
+ for (const [uuid, {
+ description
+ }] of signatures) {
+ const data = signaturesData[i++];
+ if (!data) {
+ continue;
+ }
+ data.curves = data.outlines.map(points => ({
+ points
+ }));
+ delete data.outlines;
+ this.#addToolbarButton(data, uuid, description);
+ }
+ }
+ async renderEditButton(editor) {
+ const button = document.createElement("button");
+ button.classList.add("altText", "editDescription");
+ button.tabIndex = 0;
+ if (editor.description) {
+ button.title = editor.description;
+ }
+ const span = document.createElement("span");
+ button.append(span);
+ span.setAttribute("data-l10n-id", "pdfjs-editor-add-signature-edit-button-label");
+ button.addEventListener("click", () => {
+ this.#editDescriptionDialog.open(editor);
+ }, {
+ passive: true
+ });
+ return button;
+ }
+ async open({
+ uiManager,
+ editor
+ }) {
+ this.#tabsToAltText ||= new Map(this.#tabButtons.keys().map(name => [name, {
+ value: "",
+ default: ""
+ }]));
+ this.#uiManager = uiManager;
+ this.#currentEditor = editor;
+ this.#uiManager.removeEditListeners();
+ const isStorageFull = this.#isStorageFull = await this.#signatureStorage.isFull();
+ this.#saveContainer.classList.toggle("fullStorage", isStorageFull);
+ this.#saveCheckbox.checked = !isStorageFull;
+ await this.#overlayManager.open(this.#dialog);
+ const tabType = this.#tabButtons.get("type");
+ tabType.focus();
+ tabType.click();
+ }
+ #cancel() {
+ this.#finish();
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ if (this.#currentEditor._drawId === null) {
+ this.#currentEditor.remove();
+ }
+ this.#uiManager?.addEditListeners();
+ this.#currentTabAC?.abort();
+ this.#currentTabAC = null;
+ this.#uiManager = null;
+ this.#currentEditor = null;
+ this.#resetCommon();
+ for (const [name] of this.#tabButtons) {
+ this.#resetTab(name);
+ }
+ this.#disableButtons(false);
+ this.#currentTab = null;
+ this.#tabsToAltText = null;
+ }
+ async #add() {
+ let data;
+ const type = this.#currentTab;
+ switch (type) {
+ case "type":
+ data = this.#getOutlineForType();
+ break;
+ case "draw":
+ data = this.#getOutlineForDraw();
+ break;
+ case "image":
+ data = this.#extractedSignatureData;
+ break;
+ }
+ let uuid = null;
+ const description = this.#description.value;
+ if (this.#saveCheckbox.checked) {
+ const {
+ newCurves,
+ areContours,
+ thickness,
+ width,
+ height
+ } = data;
+ const signatureData = await SignatureExtractor.compressSignature({
+ outlines: newCurves,
+ areContours,
+ thickness,
+ width,
+ height
+ });
+ uuid = await this.#signatureStorage.create({
+ description,
+ signatureData
+ });
+ if (uuid) {
+ this.#addToolbarButton({
+ curves: newCurves.map(points => ({
+ points
+ })),
+ areContours,
+ thickness,
+ width,
+ height
+ }, uuid, description);
+ } else {
+ console.warn("SignatureManager.add: cannot save the signature.");
+ }
+ }
+ const altText = this.#tabsToAltText.get(type);
+ this.#reportTelemetry({
+ type: "signature",
+ action: "pdfjs.signature.created",
+ data: {
+ type,
+ saved: !!uuid,
+ savedCount: await this.#signatureStorage.size(),
+ descriptionChanged: description !== altText.default
+ }
+ });
+ this.#currentEditor.addSignature(data, DEFAULT_HEIGHT_IN_PAGE, this.#description.value, uuid);
+ this.#finish();
+ }
+ destroy() {
+ this.#uiManager = null;
+ this.#finish();
+ }
+}
+class EditDescriptionDialog {
+ #currentEditor;
+ #previousDescription;
+ #description;
+ #dialog;
+ #overlayManager;
+ #signatureSVG;
+ #uiManager;
+ constructor({
+ dialog,
+ description,
+ cancelButton,
+ updateButton,
+ editSignatureView
+ }, overlayManager) {
+ const descriptionInput = this.#description = description.firstElementChild;
+ this.#signatureSVG = editSignatureView;
+ this.#dialog = dialog;
+ this.#overlayManager = overlayManager;
+ dialog.addEventListener("close", this.#close.bind(this));
+ dialog.addEventListener("contextmenu", e => {
+ if (e.target !== this.#description) {
+ e.preventDefault();
+ }
+ });
+ cancelButton.addEventListener("click", this.#cancel.bind(this));
+ updateButton.addEventListener("click", this.#update.bind(this));
+ const clearDescription = description.lastElementChild;
+ clearDescription.addEventListener("click", () => {
+ descriptionInput.value = "";
+ clearDescription.disabled = true;
+ updateButton.disabled = this.#previousDescription === "";
+ });
+ descriptionInput.addEventListener("input", () => {
+ const {
+ value
+ } = descriptionInput;
+ clearDescription.disabled = value === "";
+ updateButton.disabled = value === this.#previousDescription;
+ editSignatureView.setAttribute("aria-label", value);
+ }, {
+ passive: true
+ });
+ overlayManager.register(dialog);
+ }
+ async open(editor) {
+ this.#uiManager = editor._uiManager;
+ this.#currentEditor = editor;
+ this.#previousDescription = this.#description.value = editor.description;
+ this.#description.dispatchEvent(new Event("input"));
+ this.#uiManager.removeEditListeners();
+ const {
+ areContours,
+ outline
+ } = editor.getSignaturePreview();
+ const svgFactory = new DOMSVGFactory();
+ const path = svgFactory.createElement("path");
+ this.#signatureSVG.append(path);
+ this.#signatureSVG.setAttribute("viewBox", outline.viewBox);
+ path.setAttribute("d", outline.toSVGPath());
+ if (areContours) {
+ path.classList.add("contours");
+ }
+ await this.#overlayManager.open(this.#dialog);
+ }
+ async #update() {
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.signature.edit_description",
+ data: {
+ hasBeenChanged: true
+ }
+ });
+ this.#currentEditor.description = this.#description.value;
+ this.#finish();
+ }
+ #cancel() {
+ this.#currentEditor._reportTelemetry({
+ action: "pdfjs.signature.edit_description",
+ data: {
+ hasBeenChanged: false
+ }
+ });
+ this.#finish();
+ }
+ #finish() {
+ this.#overlayManager.closeIfActive(this.#dialog);
+ }
+ #close() {
+ this.#uiManager?.addEditListeners();
+ this.#uiManager = null;
+ this.#currentEditor = null;
+ this.#signatureSVG.firstElementChild.remove();
+ }
+}
+
+;// ./web/toolbar.js
+
+
+class Toolbar {
+ #colorPicker = null;
+ #opts;
+ constructor(options, eventBus, toolbarDensity = 0) {
+ this.#opts = options;
+ this.eventBus = eventBus;
+ const buttons = [{
+ element: options.previous,
+ eventName: "previouspage"
+ }, {
+ element: options.next,
+ eventName: "nextpage"
+ }, {
+ element: options.zoomIn,
+ eventName: "zoomin"
+ }, {
+ element: options.zoomOut,
+ eventName: "zoomout"
+ }, {
+ element: options.print,
+ eventName: "print"
+ }, {
+ element: options.download,
+ eventName: "download"
+ }, {
+ element: options.editorCommentButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorCommentButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.POPUP;
+ }
+ }
+ }, {
+ element: options.editorFreeTextButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorFreeTextButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.FREETEXT;
+ }
+ }
+ }, {
+ element: options.editorHighlightButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorHighlightButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.HIGHLIGHT;
+ }
+ }
+ }, {
+ element: options.editorInkButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorInkButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.INK;
+ }
+ }
+ }, {
+ element: options.editorStampButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorStampButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.STAMP;
+ }
+ },
+ telemetry: {
+ type: "editing",
+ data: {
+ action: "pdfjs.image.icon_click"
+ }
+ }
+ }, {
+ element: options.editorSignatureButton,
+ eventName: "switchannotationeditormode",
+ eventDetails: {
+ get mode() {
+ const {
+ classList
+ } = options.editorSignatureButton;
+ return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.SIGNATURE;
+ }
+ }
+ }];
+ this.#bindListeners(buttons);
+ this.#updateToolbarDensity({
+ value: toolbarDensity
+ });
+ this.reset();
+ }
+ #updateToolbarDensity({
+ value
+ }) {
+ let name = "normal";
+ switch (value) {
+ case 1:
+ name = "compact";
+ break;
+ case 2:
+ name = "touch";
+ break;
+ }
+ document.documentElement.setAttribute("data-toolbar-density", name);
+ }
+ setPageNumber(pageNumber, pageLabel) {
+ this.pageNumber = pageNumber;
+ this.pageLabel = pageLabel;
+ this.#updateUIState(false);
+ }
+ setPagesCount(pagesCount, hasPageLabels) {
+ this.pagesCount = pagesCount;
+ this.hasPageLabels = hasPageLabels;
+ this.#updateUIState(true);
+ }
+ setPageScale(pageScaleValue, pageScale) {
+ this.pageScaleValue = (pageScaleValue || pageScale).toString();
+ this.pageScale = pageScale;
+ this.#updateUIState(false);
+ }
+ reset() {
+ this.#colorPicker = null;
+ this.pageNumber = 0;
+ this.pageLabel = null;
+ this.hasPageLabels = false;
+ this.pagesCount = 0;
+ this.pageScaleValue = DEFAULT_SCALE_VALUE;
+ this.pageScale = DEFAULT_SCALE;
+ this.#updateUIState(true);
+ this.updateLoadingIndicatorState();
+ this.#editorModeChanged({
+ mode: AnnotationEditorType.DISABLE
+ });
+ }
+ #bindListeners(buttons) {
+ const {
+ eventBus
+ } = this;
+ const {
+ editorHighlightColorPicker,
+ editorHighlightButton,
+ pageNumber,
+ scaleSelect
+ } = this.#opts;
+ const self = this;
+ for (const {
+ element,
+ eventName,
+ eventDetails,
+ telemetry
+ } of buttons) {
+ element.addEventListener("click", evt => {
+ if (eventName !== null) {
+ eventBus.dispatch(eventName, {
+ source: this,
+ ...eventDetails,
+ isFromKeyboard: evt.detail === 0
+ });
+ }
+ if (telemetry) {
+ eventBus.dispatch("reporttelemetry", {
+ source: this,
+ details: telemetry
+ });
+ }
+ });
+ }
+ pageNumber.addEventListener("click", function () {
+ this.select();
+ });
+ pageNumber.addEventListener("change", function () {
+ eventBus.dispatch("pagenumberchanged", {
+ source: self,
+ value: this.value
+ });
+ });
+ scaleSelect.addEventListener("change", function () {
+ if (this.value === "custom") {
+ return;
+ }
+ eventBus.dispatch("scalechanged", {
+ source: self,
+ value: this.value
+ });
+ });
+ scaleSelect.addEventListener("click", function ({
+ target
+ }) {
+ if (this.value === self.pageScaleValue && target.tagName.toUpperCase() === "OPTION") {
+ this.blur();
+ }
+ });
+ scaleSelect.oncontextmenu = noContextMenu;
+ eventBus._on("annotationeditormodechanged", this.#editorModeChanged.bind(this));
+ eventBus._on("showannotationeditorui", ({
+ mode
+ }) => {
+ switch (mode) {
+ case AnnotationEditorType.HIGHLIGHT:
+ editorHighlightButton.click();
+ break;
+ }
+ });
+ eventBus._on("toolbardensity", this.#updateToolbarDensity.bind(this));
+ if (editorHighlightColorPicker) {
+ eventBus._on("annotationeditoruimanager", ({
+ uiManager
+ }) => {
+ const cp = this.#colorPicker = new ColorPicker({
+ uiManager
+ });
+ uiManager.setMainHighlightColorPicker(cp);
+ editorHighlightColorPicker.append(cp.renderMainDropdown());
+ });
+ eventBus._on("mainhighlightcolorpickerupdatecolor", ({
+ value
+ }) => {
+ this.#colorPicker?.updateColor(value);
+ });
+ }
+ }
+ #editorModeChanged({
+ mode
+ }) {
+ const {
+ editorCommentButton,
+ editorCommentParamsToolbar,
+ editorFreeTextButton,
+ editorFreeTextParamsToolbar,
+ editorHighlightButton,
+ editorHighlightParamsToolbar,
+ editorInkButton,
+ editorInkParamsToolbar,
+ editorStampButton,
+ editorStampParamsToolbar,
+ editorSignatureButton,
+ editorSignatureParamsToolbar
+ } = this.#opts;
+ toggleExpandedBtn(editorCommentButton, mode === AnnotationEditorType.POPUP, editorCommentParamsToolbar);
+ toggleExpandedBtn(editorFreeTextButton, mode === AnnotationEditorType.FREETEXT, editorFreeTextParamsToolbar);
+ toggleExpandedBtn(editorHighlightButton, mode === AnnotationEditorType.HIGHLIGHT, editorHighlightParamsToolbar);
+ toggleExpandedBtn(editorInkButton, mode === AnnotationEditorType.INK, editorInkParamsToolbar);
+ toggleExpandedBtn(editorStampButton, mode === AnnotationEditorType.STAMP, editorStampParamsToolbar);
+ toggleExpandedBtn(editorSignatureButton, mode === AnnotationEditorType.SIGNATURE, editorSignatureParamsToolbar);
+ editorCommentButton.disabled = editorFreeTextButton.disabled = editorHighlightButton.disabled = editorInkButton.disabled = editorStampButton.disabled = editorSignatureButton.disabled = mode === AnnotationEditorType.DISABLE;
+ }
+ #updateUIState(resetNumPages = false) {
+ const {
+ pageNumber,
+ pagesCount,
+ pageScaleValue,
+ pageScale
+ } = this;
+ const opts = this.#opts;
+ if (resetNumPages) {
+ if (this.hasPageLabels) {
+ opts.pageNumber.type = "text";
+ opts.numPages.setAttribute("data-l10n-id", "pdfjs-page-of-pages");
+ } else {
+ opts.pageNumber.type = "number";
+ opts.numPages.setAttribute("data-l10n-id", "pdfjs-of-pages");
+ opts.numPages.setAttribute("data-l10n-args", JSON.stringify({
+ pagesCount
+ }));
+ }
+ opts.pageNumber.max = pagesCount;
+ }
+ if (this.hasPageLabels) {
+ opts.pageNumber.value = this.pageLabel;
+ opts.numPages.setAttribute("data-l10n-args", JSON.stringify({
+ pageNumber,
+ pagesCount
+ }));
+ } else {
+ opts.pageNumber.value = pageNumber;
+ }
+ opts.previous.disabled = pageNumber <= 1;
+ opts.next.disabled = pageNumber >= pagesCount;
+ opts.zoomOut.disabled = pageScale <= MIN_SCALE;
+ opts.zoomIn.disabled = pageScale >= MAX_SCALE;
+ let predefinedValueFound = false;
+ for (const option of opts.scaleSelect.options) {
+ if (option.value !== pageScaleValue) {
+ option.selected = false;
+ continue;
+ }
+ option.selected = true;
+ predefinedValueFound = true;
+ }
+ if (!predefinedValueFound) {
+ opts.customScaleOption.selected = true;
+ opts.customScaleOption.setAttribute("data-l10n-args", JSON.stringify({
+ scale: Math.round(pageScale * 10000) / 100
+ }));
+ }
+ }
+ updateLoadingIndicatorState(loading = false) {
+ const {
+ pageNumber
+ } = this.#opts;
+ pageNumber.classList.toggle("loading", loading);
+ }
+}
+
+;// ./web/view_history.js
+const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
+class ViewHistory {
+ constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) {
+ this.fingerprint = fingerprint;
+ this.cacheSize = cacheSize;
+ this._initializedPromise = this._readFromStorage().then(databaseStr => {
+ const database = JSON.parse(databaseStr || "{}");
+ let index = -1;
+ if (!Array.isArray(database.files)) {
+ database.files = [];
+ } else {
+ while (database.files.length >= this.cacheSize) {
+ database.files.shift();
+ }
+ for (let i = 0, ii = database.files.length; i < ii; i++) {
+ const branch = database.files[i];
+ if (branch.fingerprint === this.fingerprint) {
+ index = i;
+ break;
+ }
+ }
+ }
+ if (index === -1) {
+ index = database.files.push({
+ fingerprint: this.fingerprint
+ }) - 1;
+ }
+ this.file = database.files[index];
+ this.database = database;
+ });
+ }
+ async _writeToStorage() {
+ const databaseStr = JSON.stringify(this.database);
+ localStorage.setItem("pdfjs.history", databaseStr);
+ }
+ async _readFromStorage() {
+ return localStorage.getItem("pdfjs.history");
+ }
+ async set(name, val) {
+ await this._initializedPromise;
+ this.file[name] = val;
+ return this._writeToStorage();
+ }
+ async setMultiple(properties) {
+ await this._initializedPromise;
+ for (const name in properties) {
+ this.file[name] = properties[name];
+ }
+ return this._writeToStorage();
+ }
+ async get(name, defaultValue) {
+ await this._initializedPromise;
+ const val = this.file[name];
+ return val !== undefined ? val : defaultValue;
+ }
+ async getMultiple(properties) {
+ await this._initializedPromise;
+ const values = Object.create(null);
+ for (const name in properties) {
+ const val = this.file[name];
+ values[name] = val !== undefined ? val : properties[name];
+ }
+ return values;
+ }
+}
+
+;// ./web/app.js
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+const FORCE_PAGES_LOADED_TIMEOUT = 10000;
+const ViewOnLoad = {
+ UNKNOWN: -1,
+ PREVIOUS: 0,
+ INITIAL: 1
+};
+const PDFViewerApplication = {
+ initialBookmark: document.location.hash.substring(1),
+ _initializedCapability: {
+ ...Promise.withResolvers(),
+ settled: false
+ },
+ appConfig: null,
+ pdfDocument: null,
+ pdfLoadingTask: null,
+ printService: null,
+ pdfViewer: null,
+ pdfThumbnailViewer: null,
+ pdfRenderingQueue: null,
+ pdfPresentationMode: null,
+ pdfDocumentProperties: null,
+ pdfLinkService: null,
+ pdfHistory: null,
+ pdfSidebar: null,
+ pdfOutlineViewer: null,
+ pdfAttachmentViewer: null,
+ pdfLayerViewer: null,
+ pdfCursorTools: null,
+ pdfScriptingManager: null,
+ store: null,
+ downloadManager: null,
+ overlayManager: null,
+ preferences: new Preferences(),
+ toolbar: null,
+ secondaryToolbar: null,
+ eventBus: null,
+ l10n: null,
+ annotationEditorParams: null,
+ imageAltTextSettings: null,
+ isInitialViewSet: false,
+ isViewerEmbedded: window.parent !== window,
+ url: "",
+ baseUrl: "",
+ mlManager: null,
+ _downloadUrl: "",
+ _eventBusAbortController: null,
+ _windowAbortController: null,
+ _globalAbortController: new AbortController(),
+ documentInfo: null,
+ metadata: null,
+ _contentDispositionFilename: null,
+ _contentLength: null,
+ _saveInProgress: false,
+ _wheelUnusedTicks: 0,
+ _wheelUnusedFactor: 1,
+ _touchManager: null,
+ _touchUnusedTicks: 0,
+ _touchUnusedFactor: 1,
+ _PDFBug: null,
+ _hasAnnotationEditors: false,
+ _title: document.title,
+ _printAnnotationStoragePromise: null,
+ _isCtrlKeyDown: false,
+ _caretBrowsing: null,
+ _isScrolling: false,
+ editorUndoBar: null,
+ _printPermissionPromise: null,
+ async initialize(appConfig) {
+ this.appConfig = appConfig;
+ try {
+ await this.preferences.initializedPromise;
+ } catch (ex) {
+ console.error("initialize:", ex);
+ }
+ if (AppOptions.get("pdfBugEnabled")) {
+ await this._parseHashParams();
+ }
+ let mode;
+ switch (AppOptions.get("viewerCssTheme")) {
+ case 1:
+ mode = "light";
+ break;
+ case 2:
+ mode = "dark";
+ break;
+ }
+ if (mode) {
+ docStyle.setProperty("color-scheme", mode);
+ }
+ this.l10n = await this.externalServices.createL10n();
+ document.getElementsByTagName("html")[0].dir = this.l10n.getDirection();
+ this.l10n.translate(appConfig.appContainer || document.documentElement);
+ if (this.isViewerEmbedded && AppOptions.get("externalLinkTarget") === LinkTarget.NONE) {
+ AppOptions.set("externalLinkTarget", LinkTarget.TOP);
+ }
+ await this._initializeViewerComponents();
+ this.bindEvents();
+ this.bindWindowEvents();
+ this._initializedCapability.settled = true;
+ this._initializedCapability.resolve();
+ },
+ async _parseHashParams() {
+ const hash = document.location.hash.substring(1);
+ if (!hash) {
+ return;
+ }
+ const {
+ mainContainer,
+ viewerContainer
+ } = this.appConfig,
+ params = parseQueryString(hash);
+ const loadPDFBug = async () => {
+ if (this._PDFBug) {
+ return;
+ }
+ const {
+ PDFBug
+ } = await import(
+ /*webpackIgnore: true*/
+ /*@vite-ignore*/
+ AppOptions.get("debuggerSrc"));
+ this._PDFBug = PDFBug;
+ };
+ if (params.get("disableworker") === "true") {
+ try {
+ GlobalWorkerOptions.workerSrc ||= AppOptions.get("workerSrc");
+ await import(
+ /*webpackIgnore: true*/
+ /*@vite-ignore*/
+ PDFWorker.workerSrc);
+ AppOptions.set("workerPort", null);
+ } catch (ex) {
+ console.error("_parseHashParams:", ex);
+ }
+ }
+ if (params.has("textlayer")) {
+ switch (params.get("textlayer")) {
+ case "off":
+ AppOptions.set("textLayerMode", TextLayerMode.DISABLE);
+ break;
+ case "visible":
+ case "shadow":
+ case "hover":
+ viewerContainer.classList.add(`textLayer-${params.get("textlayer")}`);
+ try {
+ await loadPDFBug();
+ this._PDFBug.loadCSS();
+ } catch (ex) {
+ console.error("_parseHashParams:", ex);
+ }
+ break;
+ }
+ }
+ if (params.has("pdfbug")) {
+ const enabled = params.get("pdfbug").split(",");
+ try {
+ await loadPDFBug();
+ this._PDFBug.init(mainContainer, enabled);
+ } catch (ex) {
+ console.error("_parseHashParams:", ex);
+ }
+ const debugOpts = {
+ pdfBug: true,
+ fontExtraProperties: true
+ };
+ if (globalThis.StepperManager?.enabled) {
+ debugOpts.minDurationToUpdateCanvas = 0;
+ }
+ AppOptions.setAll(debugOpts);
+ }
+ if (params.has("locale")) {
+ AppOptions.set("localeProperties", {
+ lang: params.get("locale")
+ });
+ }
+ const opts = {
+ disableAutoFetch: x => x === "true",
+ disableFontFace: x => x === "true",
+ disableHistory: x => x === "true",
+ disableRange: x => x === "true",
+ disableStream: x => x === "true",
+ verbosity: x => x | 0
+ };
+ for (const name in opts) {
+ const check = opts[name],
+ key = name.toLowerCase();
+ if (params.has(key)) {
+ AppOptions.set(name, check(params.get(key)));
+ }
+ }
+ },
+ async _initializeViewerComponents() {
+ const {
+ appConfig,
+ externalServices,
+ l10n,
+ mlManager
+ } = this;
+ const abortSignal = this._globalAbortController.signal;
+ const eventBus = new EventBus();
+ this.eventBus = AppOptions.eventBus = eventBus;
+ mlManager?.setEventBus(eventBus, abortSignal);
+ const overlayManager = this.overlayManager = new OverlayManager();
+ const renderingQueue = this.pdfRenderingQueue = new PDFRenderingQueue();
+ renderingQueue.onIdle = this._cleanup.bind(this);
+ const linkService = this.pdfLinkService = new PDFLinkService({
+ eventBus,
+ externalLinkTarget: AppOptions.get("externalLinkTarget"),
+ externalLinkRel: AppOptions.get("externalLinkRel"),
+ ignoreDestinationZoom: AppOptions.get("ignoreDestinationZoom")
+ });
+ const downloadManager = this.downloadManager = new DownloadManager();
+ const findController = this.findController = new PDFFindController({
+ linkService,
+ eventBus,
+ updateMatchesCountOnProgress: true
+ });
+ const pdfScriptingManager = this.pdfScriptingManager = new PDFScriptingManager({
+ eventBus,
+ externalServices,
+ docProperties: this._scriptingDocProperties.bind(this)
+ });
+ const container = appConfig.mainContainer,
+ viewer = appConfig.viewerContainer;
+ const annotationEditorMode = AppOptions.get("annotationEditorMode");
+ const hasForcedColors = AppOptions.get("forcePageColors") || window.matchMedia("(forced-colors: active)").matches;
+ const pageColors = hasForcedColors ? {
+ background: AppOptions.get("pageColorsBackground"),
+ foreground: AppOptions.get("pageColorsForeground")
+ } : null;
+ let altTextManager;
+ if (AppOptions.get("enableUpdatedAddImage")) {
+ altTextManager = appConfig.newAltTextDialog ? new NewAltTextManager(appConfig.newAltTextDialog, overlayManager, eventBus) : null;
+ } else {
+ altTextManager = appConfig.altTextDialog ? new AltTextManager(appConfig.altTextDialog, container, overlayManager, eventBus) : null;
+ }
+ if (appConfig.editorUndoBar) {
+ this.editorUndoBar = new EditorUndoBar(appConfig.editorUndoBar, eventBus);
+ }
+ const signatureManager = AppOptions.get("enableSignatureEditor") && appConfig.addSignatureDialog ? new SignatureManager(appConfig.addSignatureDialog, appConfig.editSignatureDialog, appConfig.annotationEditorParams?.editorSignatureAddSignature || null, overlayManager, l10n, externalServices.createSignatureStorage(eventBus, abortSignal), eventBus) : null;
+ const ltr = appConfig.viewerContainer ? getComputedStyle(appConfig.viewerContainer).direction === "ltr" : true;
+ const commentManager = AppOptions.get("enableComment") && appConfig.editCommentDialog ? new CommentManager(appConfig.editCommentDialog, {
+ learnMoreUrl: AppOptions.get("commentLearnMoreUrl"),
+ sidebar: appConfig.annotationEditorParams?.editorCommentsSidebar || null,
+ sidebarResizer: appConfig.annotationEditorParams?.editorCommentsSidebarResizer || null,
+ commentsList: appConfig.annotationEditorParams?.editorCommentsSidebarList || null,
+ commentCount: appConfig.annotationEditorParams?.editorCommentsSidebarCount || null,
+ sidebarTitle: appConfig.annotationEditorParams?.editorCommentsSidebarTitle || null,
+ closeButton: appConfig.annotationEditorParams?.editorCommentsSidebarCloseButton || null,
+ commentToolbarButton: appConfig.toolbar?.editorCommentButton || null
+ }, eventBus, linkService, overlayManager, ltr, hasForcedColors) : null;
+ const enableHWA = AppOptions.get("enableHWA"),
+ maxCanvasPixels = AppOptions.get("maxCanvasPixels"),
+ maxCanvasDim = AppOptions.get("maxCanvasDim"),
+ capCanvasAreaFactor = AppOptions.get("capCanvasAreaFactor");
+ const pdfViewer = this.pdfViewer = new PDFViewer({
+ container,
+ viewer,
+ viewerAlert: appConfig.viewerAlert,
+ eventBus,
+ renderingQueue,
+ linkService,
+ downloadManager,
+ altTextManager,
+ commentManager,
+ signatureManager,
+ editorUndoBar: this.editorUndoBar,
+ findController,
+ scriptingManager: AppOptions.get("enableScripting") && pdfScriptingManager,
+ l10n,
+ textLayerMode: AppOptions.get("textLayerMode"),
+ annotationMode: AppOptions.get("annotationMode"),
+ annotationEditorMode,
+ annotationEditorHighlightColors: AppOptions.get("highlightEditorColors"),
+ enableHighlightFloatingButton: AppOptions.get("enableHighlightFloatingButton"),
+ enableUpdatedAddImage: AppOptions.get("enableUpdatedAddImage"),
+ enableNewAltTextWhenAddingImage: AppOptions.get("enableNewAltTextWhenAddingImage"),
+ imageResourcesPath: AppOptions.get("imageResourcesPath"),
+ enablePrintAutoRotate: AppOptions.get("enablePrintAutoRotate"),
+ maxCanvasPixels,
+ maxCanvasDim,
+ capCanvasAreaFactor,
+ enableDetailCanvas: AppOptions.get("enableDetailCanvas"),
+ enablePermissions: AppOptions.get("enablePermissions"),
+ enableOptimizedPartialRendering: AppOptions.get("enableOptimizedPartialRendering"),
+ pageColors,
+ mlManager,
+ abortSignal,
+ enableHWA,
+ supportsPinchToZoom: this.supportsPinchToZoom,
+ enableAutoLinking: AppOptions.get("enableAutoLinking"),
+ minDurationToUpdateCanvas: AppOptions.get("minDurationToUpdateCanvas")
+ });
+ renderingQueue.setViewer(pdfViewer);
+ linkService.setViewer(pdfViewer);
+ pdfScriptingManager.setViewer(pdfViewer);
+ if (appConfig.sidebar?.thumbnailView) {
+ this.pdfThumbnailViewer = new PDFThumbnailViewer({
+ container: appConfig.sidebar.thumbnailView,
+ eventBus,
+ renderingQueue,
+ linkService,
+ maxCanvasPixels,
+ maxCanvasDim,
+ pageColors,
+ abortSignal,
+ enableHWA
+ });
+ renderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
+ }
+ if (!this.isViewerEmbedded && !AppOptions.get("disableHistory")) {
+ this.pdfHistory = new PDFHistory({
+ linkService,
+ eventBus
+ });
+ linkService.setHistory(this.pdfHistory);
+ }
+ if (!this.supportsIntegratedFind && appConfig.findBar) {
+ this.findBar = new PDFFindBar(appConfig.findBar, appConfig.principalContainer, eventBus);
+ }
+ if (appConfig.annotationEditorParams) {
+ if (annotationEditorMode !== AnnotationEditorType.DISABLE) {
+ const editorSignatureButton = appConfig.toolbar?.editorSignatureButton;
+ if (editorSignatureButton && AppOptions.get("enableSignatureEditor")) {
+ editorSignatureButton.parentElement.hidden = false;
+ }
+ const editorCommentButton = appConfig.toolbar?.editorCommentButton;
+ if (editorCommentButton && AppOptions.get("enableComment")) {
+ editorCommentButton.parentElement.hidden = false;
+ }
+ this.annotationEditorParams = new AnnotationEditorParams(appConfig.annotationEditorParams, eventBus);
+ } else {
+ for (const id of ["editorModeButtons", "editorModeSeparator"]) {
+ document.getElementById(id)?.classList.add("hidden");
+ }
+ }
+ }
+ if (mlManager && appConfig.secondaryToolbar?.imageAltTextSettingsButton) {
+ this.imageAltTextSettings = new ImageAltTextSettings(appConfig.altTextSettingsDialog, overlayManager, eventBus, mlManager);
+ }
+ if (appConfig.documentProperties) {
+ this.pdfDocumentProperties = new PDFDocumentProperties(appConfig.documentProperties, overlayManager, eventBus, l10n, () => this._docFilename, () => this._docTitle);
+ }
+ if (appConfig.secondaryToolbar?.cursorHandToolButton) {
+ this.pdfCursorTools = new PDFCursorTools({
+ container,
+ eventBus,
+ cursorToolOnLoad: AppOptions.get("cursorToolOnLoad")
+ });
+ }
+ if (appConfig.toolbar) {
+ this.toolbar = new Toolbar(appConfig.toolbar, eventBus, AppOptions.get("toolbarDensity"));
+ }
+ if (appConfig.secondaryToolbar) {
+ if (AppOptions.get("enableAltText")) {
+ appConfig.secondaryToolbar.imageAltTextSettingsButton?.classList.remove("hidden");
+ appConfig.secondaryToolbar.imageAltTextSettingsSeparator?.classList.remove("hidden");
+ }
+ this.secondaryToolbar = new SecondaryToolbar(appConfig.secondaryToolbar, eventBus);
+ }
+ if (this.supportsFullscreen && appConfig.secondaryToolbar?.presentationModeButton) {
+ this.pdfPresentationMode = new PDFPresentationMode({
+ container,
+ pdfViewer,
+ eventBus
+ });
+ }
+ if (appConfig.passwordOverlay) {
+ this.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay, overlayManager, this.isViewerEmbedded);
+ }
+ if (appConfig.sidebar?.outlineView) {
+ this.pdfOutlineViewer = new PDFOutlineViewer({
+ container: appConfig.sidebar.outlineView,
+ eventBus,
+ l10n,
+ linkService,
+ downloadManager
+ });
+ }
+ if (appConfig.sidebar?.attachmentsView) {
+ this.pdfAttachmentViewer = new PDFAttachmentViewer({
+ container: appConfig.sidebar.attachmentsView,
+ eventBus,
+ l10n,
+ downloadManager
+ });
+ }
+ if (appConfig.sidebar?.layersView) {
+ this.pdfLayerViewer = new PDFLayerViewer({
+ container: appConfig.sidebar.layersView,
+ eventBus,
+ l10n
+ });
+ }
+ if (appConfig.sidebar) {
+ this.pdfSidebar = new PDFSidebar({
+ elements: appConfig.sidebar,
+ eventBus,
+ l10n
+ });
+ this.pdfSidebar.onToggled = this.forceRendering.bind(this);
+ this.pdfSidebar.onUpdateThumbnails = () => {
+ for (const pageView of pdfViewer.getCachedPageViews()) {
+ if (pageView.renderingState === RenderingStates.FINISHED) {
+ this.pdfThumbnailViewer.getThumbnail(pageView.id - 1)?.setImage(pageView);
+ }
+ }
+ this.pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
+ };
+ }
+ },
+ async run(config) {
+ await this.initialize(config);
+ const {
+ appConfig,
+ eventBus
+ } = this;
+ let file;
+ const queryString = document.location.search.substring(1);
+ const params = parseQueryString(queryString);
+ file = params.get("file") ?? AppOptions.get("defaultUrl");
+ try {
+ file = new URL(decodeURIComponent(file)).href;
+ } catch {
+ file = encodeURIComponent(file).replaceAll("%2F", "/");
+ }
+ validateFileURL(file);
+ const fileInput = this._openFileInput = document.createElement("input");
+ fileInput.id = "fileInput";
+ fileInput.hidden = true;
+ fileInput.type = "file";
+ fileInput.value = null;
+ document.body.append(fileInput);
+ fileInput.addEventListener("change", function (evt) {
+ const {
+ files
+ } = evt.target;
+ if (!files || files.length === 0) {
+ return;
+ }
+ eventBus.dispatch("fileinputchange", {
+ source: this,
+ fileInput: evt.target
+ });
+ });
+ appConfig.mainContainer.addEventListener("dragover", function (evt) {
+ for (const item of evt.dataTransfer.items) {
+ if (item.type === "application/pdf") {
+ evt.dataTransfer.dropEffect = evt.dataTransfer.effectAllowed === "copy" ? "copy" : "move";
+ stopEvent(evt);
+ return;
+ }
+ }
+ });
+ appConfig.mainContainer.addEventListener("drop", function (evt) {
+ if (evt.dataTransfer.files?.[0].type !== "application/pdf") {
+ return;
+ }
+ stopEvent(evt);
+ eventBus.dispatch("fileinputchange", {
+ source: this,
+ fileInput: evt.dataTransfer
+ });
+ });
+ if (!AppOptions.get("supportsDocumentFonts")) {
+ AppOptions.set("disableFontFace", true);
+ this.l10n.get("pdfjs-web-fonts-disabled").then(msg => {
+ console.warn(msg);
+ });
+ }
+ const togglePrintingButtons = visible => {
+ appConfig.toolbar?.print?.classList.toggle("hidden", !visible);
+ appConfig.secondaryToolbar?.printButton.classList.toggle("hidden", !visible);
+ };
+ if (!this.supportsPrinting) {
+ togglePrintingButtons(false);
+ } else {
+ eventBus.on("printingallowed", ({
+ isAllowed
+ }) => togglePrintingButtons(isAllowed));
+ }
+ if (!this.supportsFullscreen) {
+ appConfig.secondaryToolbar?.presentationModeButton.classList.add("hidden");
+ }
+ if (this.supportsIntegratedFind) {
+ appConfig.findBar?.toggleButton?.classList.add("hidden");
+ }
+ if (file) {
+ this.open({
+ url: file
+ });
+ } else {
+ this._hideViewBookmark();
+ }
+ },
+ get externalServices() {
+ return shadow(this, "externalServices", new ExternalServices());
+ },
+ get initialized() {
+ return this._initializedCapability.settled;
+ },
+ get initializedPromise() {
+ return this._initializedCapability.promise;
+ },
+ updateZoom(steps, scaleFactor, origin) {
+ if (this.pdfViewer.isInPresentationMode) {
+ return;
+ }
+ this.pdfViewer.updateScale({
+ drawingDelay: AppOptions.get("defaultZoomDelay"),
+ steps,
+ scaleFactor,
+ origin
+ });
+ },
+ zoomIn() {
+ this.updateZoom(1);
+ },
+ zoomOut() {
+ this.updateZoom(-1);
+ },
+ zoomReset() {
+ if (this.pdfViewer.isInPresentationMode) {
+ return;
+ }
+ this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
+ },
+ touchPinchCallback(origin, prevDistance, distance) {
+ if (this.supportsPinchToZoom) {
+ const newScaleFactor = this._accumulateFactor(this.pdfViewer.currentScale, distance / prevDistance, "_touchUnusedFactor");
+ this.updateZoom(null, newScaleFactor, origin);
+ } else {
+ const PIXELS_PER_LINE_SCALE = 30;
+ const ticks = this._accumulateTicks((distance - prevDistance) / PIXELS_PER_LINE_SCALE, "_touchUnusedTicks");
+ this.updateZoom(ticks, null, origin);
+ }
+ },
+ touchPinchEndCallback() {
+ this._touchUnusedTicks = 0;
+ this._touchUnusedFactor = 1;
+ },
+ get pagesCount() {
+ return this.pdfDocument ? this.pdfDocument.numPages : 0;
+ },
+ get page() {
+ return this.pdfViewer.currentPageNumber;
+ },
+ set page(val) {
+ this.pdfViewer.currentPageNumber = val;
+ },
+ get supportsPrinting() {
+ return shadow(this, "supportsPrinting", AppOptions.get("supportsPrinting") && PDFPrintServiceFactory.supportsPrinting);
+ },
+ get supportsFullscreen() {
+ return shadow(this, "supportsFullscreen", document.fullscreenEnabled);
+ },
+ get supportsPinchToZoom() {
+ return shadow(this, "supportsPinchToZoom", AppOptions.get("supportsPinchToZoom"));
+ },
+ get supportsIntegratedFind() {
+ return shadow(this, "supportsIntegratedFind", AppOptions.get("supportsIntegratedFind"));
+ },
+ get loadingBar() {
+ const barElement = document.getElementById("loadingBar");
+ const bar = barElement ? new ProgressBar(barElement) : null;
+ return shadow(this, "loadingBar", bar);
+ },
+ get supportsMouseWheelZoomCtrlKey() {
+ return shadow(this, "supportsMouseWheelZoomCtrlKey", AppOptions.get("supportsMouseWheelZoomCtrlKey"));
+ },
+ get supportsMouseWheelZoomMetaKey() {
+ return shadow(this, "supportsMouseWheelZoomMetaKey", AppOptions.get("supportsMouseWheelZoomMetaKey"));
+ },
+ get supportsCaretBrowsingMode() {
+ return AppOptions.get("supportsCaretBrowsingMode");
+ },
+ moveCaret(isUp, select) {
+ this._caretBrowsing ||= new CaretBrowsingMode(this._globalAbortController.signal, this.appConfig.mainContainer, this.appConfig.viewerContainer, this.appConfig.toolbar?.container);
+ this._caretBrowsing.moveCaret(isUp, select);
+ },
+ setTitleUsingUrl(url = "", downloadUrl = null) {
+ this.url = url;
+ this.baseUrl = updateUrlHash(url, "", true);
+ if (downloadUrl) {
+ this._downloadUrl = downloadUrl === url ? this.baseUrl : updateUrlHash(downloadUrl, "", true);
+ }
+ if (isDataScheme(url)) {
+ this._hideViewBookmark();
+ }
+ let title = pdfjs_getPdfFilenameFromUrl(url, "");
+ if (!title) {
+ try {
+ title = decodeURIComponent(getFilenameFromUrl(url));
+ } catch {}
+ }
+ this.setTitle(title || url);
+ },
+ setTitle(title = this._title) {
+ this._title = title;
+ if (this.isViewerEmbedded) {
+ return;
+ }
+ const editorIndicator = this._hasAnnotationEditors && !this.pdfRenderingQueue.printing;
+ document.title = `${editorIndicator ? "* " : ""}${title}`;
+ },
+ get _docFilename() {
+ return this._contentDispositionFilename || pdfjs_getPdfFilenameFromUrl(this.url);
+ },
+ get _docTitle() {
+ const {
+ documentInfo,
+ metadata
+ } = this;
+ const title = metadata?.get("dc:title");
+ if (title) {
+ if (title !== "Untitled" && !/[\uFFF0-\uFFFF]/g.test(title)) {
+ return title;
+ }
+ }
+ return documentInfo.Title;
+ },
+ _hideViewBookmark() {
+ const {
+ secondaryToolbar
+ } = this.appConfig;
+ secondaryToolbar?.viewBookmarkButton.classList.add("hidden");
+ if (secondaryToolbar?.presentationModeButton.classList.contains("hidden")) {
+ document.getElementById("viewBookmarkSeparator")?.classList.add("hidden");
+ }
+ },
+ async close() {
+ this._unblockDocumentLoadEvent();
+ this._hideViewBookmark();
+ if (!this.pdfLoadingTask) {
+ return;
+ }
+ if (this.pdfDocument?.annotationStorage.size > 0 && this._annotationStorageModified) {
+ try {
+ await this.save();
+ } catch {}
+ }
+ const promises = [];
+ promises.push(this.pdfLoadingTask.destroy());
+ this.pdfLoadingTask = null;
+ if (this.pdfDocument) {
+ this.pdfDocument = null;
+ this.pdfThumbnailViewer?.setDocument(null);
+ this.pdfViewer.setDocument(null);
+ this.pdfLinkService.setDocument(null);
+ this.pdfDocumentProperties?.setDocument(null);
+ }
+ this.pdfLinkService.externalLinkEnabled = true;
+ this.store = null;
+ this.isInitialViewSet = false;
+ this.url = "";
+ this.baseUrl = "";
+ this._downloadUrl = "";
+ this.documentInfo = null;
+ this.metadata = null;
+ this._contentDispositionFilename = null;
+ this._contentLength = null;
+ this._saveInProgress = false;
+ this._hasAnnotationEditors = false;
+ promises.push(this.pdfScriptingManager.destroyPromise, this.passwordPrompt.close());
+ this.setTitle();
+ this.pdfSidebar?.reset();
+ this.pdfOutlineViewer?.reset();
+ this.pdfAttachmentViewer?.reset();
+ this.pdfLayerViewer?.reset();
+ this.pdfHistory?.reset();
+ this.findBar?.reset();
+ this.toolbar?.reset();
+ this.secondaryToolbar?.reset();
+ this._PDFBug?.cleanup();
+ await Promise.all(promises);
+ },
+ async open(args) {
+ if (this.pdfLoadingTask) {
+ await this.close();
+ }
+ const workerParams = AppOptions.getAll(OptionKind.WORKER);
+ Object.assign(GlobalWorkerOptions, workerParams);
+ if (args.url) {
+ this.setTitleUsingUrl(args.originalUrl || args.url, args.url);
+ }
+ const apiParams = AppOptions.getAll(OptionKind.API);
+ const loadingTask = getDocument({
+ ...apiParams,
+ ...args
+ });
+ this.pdfLoadingTask = loadingTask;
+ loadingTask.onPassword = (updateCallback, reason) => {
+ if (this.isViewerEmbedded) {
+ this._unblockDocumentLoadEvent();
+ }
+ this.pdfLinkService.externalLinkEnabled = false;
+ this.passwordPrompt.setUpdateCallback(updateCallback, reason);
+ this.passwordPrompt.open();
+ };
+ loadingTask.onProgress = ({
+ loaded,
+ total
+ }) => {
+ this.progress(loaded / total);
+ };
+ return loadingTask.promise.then(pdfDocument => {
+ this.load(pdfDocument);
+ }, reason => {
+ if (loadingTask !== this.pdfLoadingTask) {
+ return undefined;
+ }
+ let key = "pdfjs-loading-error";
+ if (reason instanceof InvalidPDFException) {
+ key = "pdfjs-invalid-file-error";
+ } else if (reason instanceof ResponseException) {
+ key = reason.missing ? "pdfjs-missing-file-error" : "pdfjs-unexpected-response-error";
+ }
+ return this._documentError(key, {
+ message: reason.message
+ }).then(() => {
+ throw reason;
+ });
+ });
+ },
+ async download() {
+ let data;
+ try {
+ data = await (this.pdfDocument ? this.pdfDocument.getData() : this.pdfLoadingTask.getData());
+ } catch {}
+ this.downloadManager.download(data, this._downloadUrl, this._docFilename);
+ },
+ async save() {
+ if (this._saveInProgress) {
+ return;
+ }
+ this._saveInProgress = true;
+ await this.pdfScriptingManager.dispatchWillSave();
+ try {
+ const data = await this.pdfDocument.saveDocument();
+ this.downloadManager.download(data, this._downloadUrl, this._docFilename);
+ } catch (reason) {
+ console.error(`Error when saving the document:`, reason);
+ await this.download();
+ } finally {
+ await this.pdfScriptingManager.dispatchDidSave();
+ this._saveInProgress = false;
+ }
+ const editorStats = this.pdfDocument?.annotationStorage.editorStats;
+ if (editorStats) {
+ this.externalServices.reportTelemetry({
+ type: "editing",
+ data: {
+ type: "save",
+ stats: editorStats
+ }
+ });
+ }
+ },
+ async downloadOrSave() {
+ const {
+ classList
+ } = this.appConfig.appContainer;
+ classList.add("wait");
+ await (this.pdfDocument?.annotationStorage.size > 0 ? this.save() : this.download());
+ classList.remove("wait");
+ },
+ async _documentError(key, moreInfo = null) {
+ this._unblockDocumentLoadEvent();
+ const message = await this._otherError(key || "pdfjs-loading-error", moreInfo);
+ this.eventBus.dispatch("documenterror", {
+ source: this,
+ message,
+ reason: moreInfo?.message ?? null
+ });
+ },
+ async _otherError(key, moreInfo = null) {
+ const message = await this.l10n.get(key);
+ const moreInfoText = [`PDF.js v${version || "?"} (build: ${build || "?"})`];
+ if (moreInfo) {
+ moreInfoText.push(`Message: ${moreInfo.message}`);
+ if (moreInfo.stack) {
+ moreInfoText.push(`Stack: ${moreInfo.stack}`);
+ } else {
+ if (moreInfo.filename) {
+ moreInfoText.push(`File: ${moreInfo.filename}`);
+ }
+ if (moreInfo.lineNumber) {
+ moreInfoText.push(`Line: ${moreInfo.lineNumber}`);
+ }
+ }
+ }
+ console.error(`${message}\n\n${moreInfoText.join("\n")}`);
+ return message;
+ },
+ progress(level) {
+ const percent = Math.round(level * 100);
+ if (!this.loadingBar || percent <= this.loadingBar.percent) {
+ return;
+ }
+ this.loadingBar.percent = percent;
+ if (this.pdfDocument?.loadingParams.disableAutoFetch ?? AppOptions.get("disableAutoFetch")) {
+ this.loadingBar.setDisableAutoFetch();
+ }
+ },
+ load(pdfDocument) {
+ this.pdfDocument = pdfDocument;
+ this._printPermissionPromise = new Promise(resolve => {
+ this.eventBus.on("printingallowed", ({
+ isAllowed
+ }) => {
+ resolve(isAllowed);
+ }, {
+ once: true
+ });
+ });
+ pdfDocument.getDownloadInfo().then(({
+ length
+ }) => {
+ this._contentLength = length;
+ this.loadingBar?.hide();
+ firstPagePromise.then(() => {
+ this.eventBus.dispatch("documentloaded", {
+ source: this
+ });
+ });
+ });
+ const pageLayoutPromise = pdfDocument.getPageLayout().catch(() => {});
+ const pageModePromise = pdfDocument.getPageMode().catch(() => {});
+ const openActionPromise = pdfDocument.getOpenAction().catch(() => {});
+ this.toolbar?.setPagesCount(pdfDocument.numPages, false);
+ this.secondaryToolbar?.setPagesCount(pdfDocument.numPages);
+ this.pdfLinkService.setDocument(pdfDocument);
+ this.pdfDocumentProperties?.setDocument(pdfDocument);
+ const pdfViewer = this.pdfViewer;
+ pdfViewer.setDocument(pdfDocument);
+ const {
+ firstPagePromise,
+ onePageRendered,
+ pagesPromise
+ } = pdfViewer;
+ this.pdfThumbnailViewer?.setDocument(pdfDocument);
+ const storedPromise = (this.store = new ViewHistory(pdfDocument.fingerprints[0])).getMultiple({
+ page: null,
+ zoom: DEFAULT_SCALE_VALUE,
+ scrollLeft: "0",
+ scrollTop: "0",
+ rotation: null,
+ sidebarView: SidebarView.UNKNOWN,
+ scrollMode: ScrollMode.UNKNOWN,
+ spreadMode: SpreadMode.UNKNOWN
+ }).catch(() => {});
+ firstPagePromise.then(pdfPage => {
+ this.loadingBar?.setWidth(this.appConfig.viewerContainer);
+ this._initializeAnnotationStorageCallbacks(pdfDocument);
+ Promise.all([animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => {
+ const viewOnLoad = AppOptions.get("viewOnLoad");
+ this._initializePdfHistory({
+ fingerprint: pdfDocument.fingerprints[0],
+ viewOnLoad,
+ initialDest: openAction?.dest
+ });
+ const initialBookmark = this.initialBookmark;
+ const zoom = AppOptions.get("defaultZoomValue");
+ let hash = zoom ? `zoom=${zoom}` : null;
+ let rotation = null;
+ let sidebarView = AppOptions.get("sidebarViewOnLoad");
+ let scrollMode = AppOptions.get("scrollModeOnLoad");
+ let spreadMode = AppOptions.get("spreadModeOnLoad");
+ if (stored?.page && viewOnLoad !== ViewOnLoad.INITIAL) {
+ hash = `page=${stored.page}&zoom=${zoom || stored.zoom},` + `${stored.scrollLeft},${stored.scrollTop}`;
+ rotation = parseInt(stored.rotation, 10);
+ if (sidebarView === SidebarView.UNKNOWN) {
+ sidebarView = stored.sidebarView | 0;
+ }
+ if (scrollMode === ScrollMode.UNKNOWN) {
+ scrollMode = stored.scrollMode | 0;
+ }
+ if (spreadMode === SpreadMode.UNKNOWN) {
+ spreadMode = stored.spreadMode | 0;
+ }
+ }
+ if (pageMode && sidebarView === SidebarView.UNKNOWN) {
+ sidebarView = apiPageModeToSidebarView(pageMode);
+ }
+ if (pageLayout && scrollMode === ScrollMode.UNKNOWN && spreadMode === SpreadMode.UNKNOWN) {
+ const modes = apiPageLayoutToViewerModes(pageLayout);
+ spreadMode = modes.spreadMode;
+ }
+ this.setInitialView(hash, {
+ rotation,
+ sidebarView,
+ scrollMode,
+ spreadMode
+ });
+ this.eventBus.dispatch("documentinit", {
+ source: this
+ });
+ await Promise.race([pagesPromise, new Promise(resolve => {
+ setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
+ })]);
+ if (!initialBookmark && !hash) {
+ return;
+ }
+ if (pdfViewer.hasEqualPageSizes) {
+ return;
+ }
+ this.initialBookmark = initialBookmark;
+ pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
+ this.setInitialView(hash);
+ }).catch(() => {
+ this.setInitialView();
+ }).then(function () {
+ pdfViewer.update();
+ });
+ });
+ pagesPromise.then(() => {
+ this._unblockDocumentLoadEvent();
+ this._initializeAutoPrint(pdfDocument, openActionPromise);
+ }, reason => {
+ this._documentError("pdfjs-loading-error", {
+ message: reason.message
+ });
+ });
+ onePageRendered.then(data => {
+ this.externalServices.reportTelemetry({
+ type: "pageInfo",
+ timestamp: data.timestamp
+ });
+ if (this.pdfOutlineViewer) {
+ pdfDocument.getOutline().then(outline => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.pdfOutlineViewer.render({
+ outline,
+ pdfDocument
+ });
+ });
+ }
+ if (this.pdfAttachmentViewer) {
+ pdfDocument.getAttachments().then(attachments => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.pdfAttachmentViewer.render({
+ attachments
+ });
+ });
+ }
+ if (this.pdfLayerViewer) {
+ pdfViewer.optionalContentConfigPromise.then(optionalContentConfig => {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ this.pdfLayerViewer.render({
+ optionalContentConfig,
+ pdfDocument
+ });
+ });
+ }
+ });
+ this._initializePageLabels(pdfDocument);
+ this._initializeMetadata(pdfDocument);
+ },
+ async _scriptingDocProperties(pdfDocument) {
+ if (!this.documentInfo) {
+ await new Promise(resolve => {
+ this.eventBus._on("metadataloaded", resolve, {
+ once: true
+ });
+ });
+ if (pdfDocument !== this.pdfDocument) {
+ return null;
+ }
+ }
+ if (!this._contentLength) {
+ await new Promise(resolve => {
+ this.eventBus._on("documentloaded", resolve, {
+ once: true
+ });
+ });
+ if (pdfDocument !== this.pdfDocument) {
+ return null;
+ }
+ }
+ return {
+ ...this.documentInfo,
+ baseURL: this.baseUrl,
+ filesize: this._contentLength,
+ filename: this._docFilename,
+ metadata: this.metadata?.getRaw(),
+ authors: this.metadata?.get("dc:creator"),
+ numPages: this.pagesCount,
+ URL: this.url
+ };
+ },
+ async _initializeAutoPrint(pdfDocument, openActionPromise) {
+ const [openAction, jsActions] = await Promise.all([openActionPromise, this.pdfViewer.enableScripting ? null : pdfDocument.getJSActions()]);
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ let triggerAutoPrint = openAction?.action === "Print";
+ if (jsActions) {
+ console.warn("Warning: JavaScript support is not enabled");
+ for (const name in jsActions) {
+ if (triggerAutoPrint) {
+ break;
+ }
+ switch (name) {
+ case "WillClose":
+ case "WillSave":
+ case "DidSave":
+ case "WillPrint":
+ case "DidPrint":
+ continue;
+ }
+ triggerAutoPrint = jsActions[name].some(js => AutoPrintRegExp.test(js));
+ }
+ }
+ if (triggerAutoPrint) {
+ this.triggerPrinting();
+ }
+ },
+ async _initializeMetadata(pdfDocument) {
+ const {
+ info,
+ metadata,
+ contentDispositionFilename,
+ contentLength
+ } = await pdfDocument.getMetadata();
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ if (info.collectedSignatureCertificates) {
+ this.externalServices.reportTelemetry({
+ type: "signatureCertificates",
+ data: info.collectedSignatureCertificates
+ });
+ }
+ this.documentInfo = info;
+ this.metadata = metadata;
+ this._contentDispositionFilename ??= contentDispositionFilename;
+ this._contentLength ??= contentLength;
+ console.log(`PDF ${pdfDocument.fingerprints[0]} [${info.PDFFormatVersion} ` + `${(metadata?.get("pdf:producer") || info.Producer || "-").trim()} / ` + `${(metadata?.get("xmp:creatortool") || info.Creator || "-").trim()}` + `] (PDF.js: ${version || "?"} [${build || "?"}])`);
+ const pdfTitle = this._docTitle;
+ if (pdfTitle) {
+ this.setTitle(`${pdfTitle} - ${this._contentDispositionFilename || this._title}`);
+ } else if (this._contentDispositionFilename) {
+ this.setTitle(this._contentDispositionFilename);
+ }
+ if (info.IsXFAPresent && !info.IsAcroFormPresent && !pdfDocument.isPureXfa) {
+ if (pdfDocument.loadingParams.enableXfa) {
+ console.warn("Warning: XFA Foreground documents are not supported");
+ } else {
+ console.warn("Warning: XFA support is not enabled");
+ }
+ } else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderForms) {
+ console.warn("Warning: Interactive form support is not enabled");
+ }
+ if (info.IsSignaturesPresent) {
+ console.warn("Warning: Digital signatures validation is not supported");
+ }
+ this.eventBus.dispatch("metadataloaded", {
+ source: this
+ });
+ },
+ async _initializePageLabels(pdfDocument) {
+ const labels = await pdfDocument.getPageLabels();
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ if (!labels || AppOptions.get("disablePageLabels")) {
+ return;
+ }
+ const numLabels = labels.length;
+ let standardLabels = 0,
+ emptyLabels = 0;
+ for (let i = 0; i < numLabels; i++) {
+ const label = labels[i];
+ if (label === (i + 1).toString()) {
+ standardLabels++;
+ } else if (label === "") {
+ emptyLabels++;
+ } else {
+ break;
+ }
+ }
+ if (standardLabels >= numLabels || emptyLabels >= numLabels) {
+ return;
+ }
+ const {
+ pdfViewer,
+ pdfThumbnailViewer,
+ toolbar
+ } = this;
+ pdfViewer.setPageLabels(labels);
+ pdfThumbnailViewer?.setPageLabels(labels);
+ toolbar?.setPagesCount(numLabels, true);
+ toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
+ },
+ _initializePdfHistory({
+ fingerprint,
+ viewOnLoad,
+ initialDest = null
+ }) {
+ if (!this.pdfHistory) {
+ return;
+ }
+ this.pdfHistory.initialize({
+ fingerprint,
+ resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
+ updateUrl: AppOptions.get("historyUpdateUrl")
+ });
+ if (this.pdfHistory.initialBookmark) {
+ this.initialBookmark = this.pdfHistory.initialBookmark;
+ this.initialRotation = this.pdfHistory.initialRotation;
+ }
+ if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) {
+ this.initialBookmark = JSON.stringify(initialDest);
+ this.pdfHistory.push({
+ explicitDest: initialDest,
+ pageNumber: null
+ });
+ }
+ },
+ _initializeAnnotationStorageCallbacks(pdfDocument) {
+ if (pdfDocument !== this.pdfDocument) {
+ return;
+ }
+ const {
+ annotationStorage
+ } = pdfDocument;
+ annotationStorage.onSetModified = () => {
+ window.addEventListener("beforeunload", beforeUnload);
+ this._annotationStorageModified = true;
+ };
+ annotationStorage.onResetModified = () => {
+ window.removeEventListener("beforeunload", beforeUnload);
+ delete this._annotationStorageModified;
+ };
+ annotationStorage.onAnnotationEditor = typeStr => {
+ this._hasAnnotationEditors = !!typeStr;
+ this.setTitle();
+ };
+ },
+ setInitialView(storedHash, {
+ rotation,
+ sidebarView,
+ scrollMode,
+ spreadMode
+ } = {}) {
+ const setRotation = angle => {
+ if (isValidRotation(angle)) {
+ this.pdfViewer.pagesRotation = angle;
+ }
+ };
+ const setViewerModes = (scroll, spread) => {
+ if (isValidScrollMode(scroll)) {
+ this.pdfViewer.scrollMode = scroll;
+ }
+ if (isValidSpreadMode(spread)) {
+ this.pdfViewer.spreadMode = spread;
+ }
+ };
+ this.isInitialViewSet = true;
+ this.pdfSidebar?.setInitialView(sidebarView);
+ setViewerModes(scrollMode, spreadMode);
+ if (this.initialBookmark) {
+ setRotation(this.initialRotation);
+ delete this.initialRotation;
+ this.pdfLinkService.setHash(this.initialBookmark);
+ this.initialBookmark = null;
+ } else if (storedHash) {
+ setRotation(rotation);
+ this.pdfLinkService.setHash(storedHash);
+ }
+ this.toolbar?.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
+ this.secondaryToolbar?.setPageNumber(this.pdfViewer.currentPageNumber);
+ if (!this.pdfViewer.currentScaleValue) {
+ this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
+ }
+ },
+ _cleanup() {
+ if (!this.pdfDocument) {
+ return;
+ }
+ this.pdfViewer.cleanup();
+ this.pdfThumbnailViewer?.cleanup();
+ this.pdfDocument.cleanup(AppOptions.get("fontExtraProperties"));
+ },
+ forceRendering() {
+ this.pdfRenderingQueue.printing = !!this.printService;
+ this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar?.visibleView === SidebarView.THUMBS;
+ this.pdfRenderingQueue.renderHighestPriority();
+ },
+ beforePrint() {
+ this._printAnnotationStoragePromise = this.pdfScriptingManager.dispatchWillPrint().catch(() => {}).then(() => this.pdfDocument?.annotationStorage.print);
+ if (this.printService) {
+ return;
+ }
+ if (!this.supportsPrinting || !this.pdfViewer.printingAllowed) {
+ this._otherError("pdfjs-printing-not-supported");
+ return;
+ }
+ if (!this.pdfViewer.pageViewsReady) {
+ this.l10n.get("pdfjs-printing-not-ready").then(msg => {
+ window.alert(msg);
+ });
+ return;
+ }
+ this.printService = PDFPrintServiceFactory.createPrintService({
+ pdfDocument: this.pdfDocument,
+ pagesOverview: this.pdfViewer.getPagesOverview(),
+ printContainer: this.appConfig.printContainer,
+ printResolution: AppOptions.get("printResolution"),
+ printAnnotationStoragePromise: this._printAnnotationStoragePromise
+ });
+ this.forceRendering();
+ this.setTitle();
+ this.printService.layout();
+ if (this._hasAnnotationEditors) {
+ this.externalServices.reportTelemetry({
+ type: "editing",
+ data: {
+ type: "print",
+ stats: this.pdfDocument?.annotationStorage.editorStats
+ }
+ });
+ }
+ },
+ afterPrint() {
+ if (this._printAnnotationStoragePromise) {
+ this._printAnnotationStoragePromise.then(() => {
+ this.pdfScriptingManager.dispatchDidPrint();
+ });
+ this._printAnnotationStoragePromise = null;
+ }
+ if (this.printService) {
+ this.printService.destroy();
+ this.printService = null;
+ this.pdfDocument?.annotationStorage.resetModified();
+ }
+ this.forceRendering();
+ this.setTitle();
+ },
+ rotatePages(delta) {
+ this.pdfViewer.pagesRotation += delta;
+ },
+ requestPresentationMode() {
+ this.pdfPresentationMode?.request();
+ },
+ async triggerPrinting() {
+ if (this.supportsPrinting && (await this._printPermissionPromise)) {
+ window.print();
+ }
+ },
+ bindEvents() {
+ if (this._eventBusAbortController) {
+ return;
+ }
+ const ac = this._eventBusAbortController = new AbortController();
+ const opts = {
+ signal: ac.signal
+ };
+ const {
+ eventBus,
+ externalServices,
+ pdfDocumentProperties,
+ pdfViewer,
+ preferences
+ } = this;
+ eventBus._on("resize", onResize.bind(this), opts);
+ eventBus._on("hashchange", onHashchange.bind(this), opts);
+ eventBus._on("beforeprint", this.beforePrint.bind(this), opts);
+ eventBus._on("afterprint", this.afterPrint.bind(this), opts);
+ eventBus._on("pagerender", onPageRender.bind(this), opts);
+ eventBus._on("pagerendered", onPageRendered.bind(this), opts);
+ eventBus._on("updateviewarea", onUpdateViewarea.bind(this), opts);
+ eventBus._on("pagechanging", onPageChanging.bind(this), opts);
+ eventBus._on("scalechanging", onScaleChanging.bind(this), opts);
+ eventBus._on("rotationchanging", onRotationChanging.bind(this), opts);
+ eventBus._on("sidebarviewchanged", onSidebarViewChanged.bind(this), opts);
+ eventBus._on("pagemode", onPageMode.bind(this), opts);
+ eventBus._on("namedaction", onNamedAction.bind(this), opts);
+ eventBus._on("presentationmodechanged", evt => pdfViewer.presentationModeState = evt.state, opts);
+ eventBus._on("presentationmode", this.requestPresentationMode.bind(this), opts);
+ eventBus._on("switchannotationeditormode", evt => pdfViewer.annotationEditorMode = evt, opts);
+ eventBus._on("print", this.triggerPrinting.bind(this), opts);
+ eventBus._on("download", this.downloadOrSave.bind(this), opts);
+ eventBus._on("firstpage", () => this.page = 1, opts);
+ eventBus._on("lastpage", () => this.page = this.pagesCount, opts);
+ eventBus._on("nextpage", () => pdfViewer.nextPage(), opts);
+ eventBus._on("previouspage", () => pdfViewer.previousPage(), opts);
+ eventBus._on("zoomin", this.zoomIn.bind(this), opts);
+ eventBus._on("zoomout", this.zoomOut.bind(this), opts);
+ eventBus._on("zoomreset", this.zoomReset.bind(this), opts);
+ eventBus._on("pagenumberchanged", onPageNumberChanged.bind(this), opts);
+ eventBus._on("scalechanged", evt => pdfViewer.currentScaleValue = evt.value, opts);
+ eventBus._on("rotatecw", this.rotatePages.bind(this, 90), opts);
+ eventBus._on("rotateccw", this.rotatePages.bind(this, -90), opts);
+ eventBus._on("optionalcontentconfig", evt => pdfViewer.optionalContentConfigPromise = evt.promise, opts);
+ eventBus._on("switchscrollmode", evt => pdfViewer.scrollMode = evt.mode, opts);
+ eventBus._on("scrollmodechanged", onViewerModesChanged.bind(this, "scrollMode"), opts);
+ eventBus._on("switchspreadmode", evt => pdfViewer.spreadMode = evt.mode, opts);
+ eventBus._on("spreadmodechanged", onViewerModesChanged.bind(this, "spreadMode"), opts);
+ eventBus._on("imagealttextsettings", onImageAltTextSettings.bind(this), opts);
+ eventBus._on("documentproperties", () => pdfDocumentProperties?.open(), opts);
+ eventBus._on("findfromurlhash", onFindFromUrlHash.bind(this), opts);
+ eventBus._on("updatefindmatchescount", onUpdateFindMatchesCount.bind(this), opts);
+ eventBus._on("updatefindcontrolstate", onUpdateFindControlState.bind(this), opts);
+ eventBus._on("fileinputchange", onFileInputChange.bind(this), opts);
+ eventBus._on("openfile", onOpenFile.bind(this), opts);
+ },
+ bindWindowEvents() {
+ if (this._windowAbortController) {
+ return;
+ }
+ this._windowAbortController = new AbortController();
+ const {
+ eventBus,
+ appConfig: {
+ mainContainer
+ },
+ pdfViewer,
+ _windowAbortController: {
+ signal
+ }
+ } = this;
+ this._touchManager = new TouchManager({
+ container: window,
+ isPinchingDisabled: () => pdfViewer.isInPresentationMode,
+ isPinchingStopped: () => this.overlayManager?.active,
+ onPinching: this.touchPinchCallback.bind(this),
+ onPinchEnd: this.touchPinchEndCallback.bind(this),
+ signal
+ });
+ function addWindowResolutionChange(evt = null) {
+ if (evt) {
+ pdfViewer.refresh();
+ }
+ const mediaQueryList = window.matchMedia(`(resolution: ${OutputScale.pixelRatio}dppx)`);
+ mediaQueryList.addEventListener("change", addWindowResolutionChange, {
+ once: true,
+ signal
+ });
+ }
+ addWindowResolutionChange();
+ window.addEventListener("wheel", onWheel.bind(this), {
+ passive: false,
+ signal
+ });
+ window.addEventListener("click", onClick.bind(this), {
+ signal
+ });
+ window.addEventListener("keydown", onKeyDown.bind(this), {
+ signal
+ });
+ window.addEventListener("keyup", onKeyUp.bind(this), {
+ signal
+ });
+ window.addEventListener("resize", () => eventBus.dispatch("resize", {
+ source: window
+ }), {
+ signal
+ });
+ window.addEventListener("hashchange", () => {
+ eventBus.dispatch("hashchange", {
+ source: window,
+ hash: document.location.hash.substring(1)
+ });
+ }, {
+ signal
+ });
+ window.addEventListener("beforeprint", () => eventBus.dispatch("beforeprint", {
+ source: window
+ }), {
+ signal
+ });
+ window.addEventListener("afterprint", () => eventBus.dispatch("afterprint", {
+ source: window
+ }), {
+ signal
+ });
+ window.addEventListener("updatefromsandbox", evt => {
+ eventBus.dispatch("updatefromsandbox", {
+ source: window,
+ detail: evt.detail
+ });
+ }, {
+ signal
+ });
+ if (!("onscrollend" in document.documentElement)) {
+ return;
+ }
+ ({
+ scrollTop: this._lastScrollTop,
+ scrollLeft: this._lastScrollLeft
+ } = mainContainer);
+ let scrollendTimeoutID, scrollAbortController;
+ const scrollend = () => {
+ ({
+ scrollTop: this._lastScrollTop,
+ scrollLeft: this._lastScrollLeft
+ } = mainContainer);
+ clearTimeout(scrollendTimeoutID);
+ if (this._isScrolling) {
+ scrollAbortController.abort();
+ scrollAbortController = null;
+ this._isScrolling = false;
+ }
+ };
+ const scroll = () => {
+ if (this._isCtrlKeyDown) {
+ return;
+ }
+ if (this._lastScrollTop === mainContainer.scrollTop && this._lastScrollLeft === mainContainer.scrollLeft) {
+ return;
+ }
+ if (!this._isScrolling) {
+ scrollAbortController = new AbortController();
+ const abortSignal = AbortSignal.any([scrollAbortController.signal, signal]);
+ mainContainer.addEventListener("scrollend", scrollend, {
+ signal: abortSignal
+ });
+ mainContainer.addEventListener("blur", scrollend, {
+ signal: abortSignal
+ });
+ this._isScrolling = true;
+ }
+ clearTimeout(scrollendTimeoutID);
+ scrollendTimeoutID = setTimeout(scrollend, 100);
+ };
+ mainContainer.addEventListener("scroll", scroll, {
+ passive: true,
+ signal
+ });
+ },
+ unbindEvents() {
+ this._eventBusAbortController?.abort();
+ this._eventBusAbortController = null;
+ },
+ unbindWindowEvents() {
+ this._windowAbortController?.abort();
+ this._windowAbortController = null;
+ this._touchManager = null;
+ },
+ async testingClose() {
+ this.unbindEvents();
+ this.unbindWindowEvents();
+ this._globalAbortController?.abort();
+ this._globalAbortController = null;
+ this.findBar?.close();
+ await Promise.all([this.l10n?.destroy(), this.close()]);
+ },
+ _accumulateTicks(ticks, prop) {
+ if (this[prop] > 0 && ticks < 0 || this[prop] < 0 && ticks > 0) {
+ this[prop] = 0;
+ }
+ this[prop] += ticks;
+ const wholeTicks = Math.trunc(this[prop]);
+ this[prop] -= wholeTicks;
+ return wholeTicks;
+ },
+ _accumulateFactor(previousScale, factor, prop) {
+ if (factor === 1) {
+ return 1;
+ }
+ if (this[prop] > 1 && factor < 1 || this[prop] < 1 && factor > 1) {
+ this[prop] = 1;
+ }
+ const newFactor = Math.floor(previousScale * factor * this[prop] * 100) / (100 * previousScale);
+ this[prop] = factor / newFactor;
+ return newFactor;
+ },
+ _unblockDocumentLoadEvent() {
+ document.blockUnblockOnload?.(false);
+ this._unblockDocumentLoadEvent = () => {};
+ },
+ get scriptingReady() {
+ return this.pdfScriptingManager.ready;
+ }
+};
+initCom(PDFViewerApplication);
+{
+ PDFPrintServiceFactory.initGlobals(PDFViewerApplication);
+}
+{
+ const HOSTED_VIEWER_ORIGINS = new Set(["null", "http://mozilla.github.io", "https://mozilla.github.io"]);
+ var validateFileURL = function (file) {
+ if (!file) {
+ return;
+ }
+ const viewerOrigin = URL.parse(window.location)?.origin || "null";
+ if (HOSTED_VIEWER_ORIGINS.has(viewerOrigin)) {
+ return;
+ }
+ const fileOrigin = URL.parse(file, window.location)?.origin;
+ if (fileOrigin === viewerOrigin) {
+ return;
+ }
+ const ex = new Error("file origin does not match viewer's");
+ PDFViewerApplication._documentError("pdfjs-loading-error", {
+ message: ex.message
+ });
+ throw ex;
+ };
+ var onFileInputChange = function (evt) {
+ if (this.pdfViewer?.isInPresentationMode) {
+ return;
+ }
+ const file = evt.fileInput.files[0];
+ this.open({
+ url: URL.createObjectURL(file),
+ originalUrl: encodeURIComponent(file.name)
+ });
+ };
+ var onOpenFile = function (evt) {
+ this._openFileInput?.click();
+ };
+}
+function onPageRender({
+ pageNumber
+}) {
+ if (pageNumber === this.page) {
+ this.toolbar?.updateLoadingIndicatorState(true);
+ }
+}
+function onPageRendered({
+ pageNumber,
+ isDetailView,
+ error
+}) {
+ if (pageNumber === this.page) {
+ this.toolbar?.updateLoadingIndicatorState(false);
+ }
+ if (!isDetailView && this.pdfSidebar?.visibleView === SidebarView.THUMBS) {
+ const pageView = this.pdfViewer.getPageView(pageNumber - 1);
+ const thumbnailView = this.pdfThumbnailViewer?.getThumbnail(pageNumber - 1);
+ if (pageView) {
+ thumbnailView?.setImage(pageView);
+ }
+ }
+ if (error) {
+ this._otherError("pdfjs-rendering-error", error);
+ }
+}
+function onPageMode({
+ mode
+}) {
+ let view;
+ switch (mode) {
+ case "thumbs":
+ view = SidebarView.THUMBS;
+ break;
+ case "bookmarks":
+ case "outline":
+ view = SidebarView.OUTLINE;
+ break;
+ case "attachments":
+ view = SidebarView.ATTACHMENTS;
+ break;
+ case "layers":
+ view = SidebarView.LAYERS;
+ break;
+ case "none":
+ view = SidebarView.NONE;
+ break;
+ default:
+ console.error('Invalid "pagemode" hash parameter: ' + mode);
+ return;
+ }
+ this.pdfSidebar?.switchView(view, true);
+}
+function onNamedAction(evt) {
+ switch (evt.action) {
+ case "GoToPage":
+ this.appConfig.toolbar?.pageNumber.select();
+ break;
+ case "Find":
+ if (!this.supportsIntegratedFind) {
+ this.findBar?.toggle();
+ }
+ break;
+ case "Print":
+ this.triggerPrinting();
+ break;
+ case "SaveAs":
+ this.downloadOrSave();
+ break;
+ }
+}
+function onSidebarViewChanged({
+ view
+}) {
+ this.pdfRenderingQueue.isThumbnailViewEnabled = view === SidebarView.THUMBS;
+ if (this.isInitialViewSet) {
+ this.store?.set("sidebarView", view).catch(() => {});
+ }
+}
+function onUpdateViewarea({
+ location
+}) {
+ if (this.isInitialViewSet) {
+ this.store?.setMultiple({
+ page: location.pageNumber,
+ zoom: location.scale,
+ scrollLeft: location.left,
+ scrollTop: location.top,
+ rotation: location.rotation
+ }).catch(() => {});
+ }
+ if (this.appConfig.secondaryToolbar) {
+ this.appConfig.secondaryToolbar.viewBookmarkButton.href = this.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
+ }
+}
+function onViewerModesChanged(name, evt) {
+ if (this.isInitialViewSet && !this.pdfViewer.isInPresentationMode) {
+ this.store?.set(name, evt.mode).catch(() => {});
+ }
+}
+function onResize() {
+ const {
+ pdfDocument,
+ pdfViewer,
+ pdfRenderingQueue
+ } = this;
+ if (pdfRenderingQueue.printing && window.matchMedia("print").matches) {
+ return;
+ }
+ if (!pdfDocument) {
+ return;
+ }
+ const currentScaleValue = pdfViewer.currentScaleValue;
+ if (currentScaleValue === "auto" || currentScaleValue === "page-fit" || currentScaleValue === "page-width") {
+ pdfViewer.currentScaleValue = currentScaleValue;
+ }
+ pdfViewer.update();
+}
+function onHashchange(evt) {
+ const hash = evt.hash;
+ if (!hash) {
+ return;
+ }
+ if (!this.isInitialViewSet) {
+ this.initialBookmark = hash;
+ } else if (!this.pdfHistory?.popStateInProgress) {
+ this.pdfLinkService.setHash(hash);
+ }
+}
+function onPageNumberChanged(evt) {
+ const {
+ pdfViewer
+ } = this;
+ if (evt.value !== "") {
+ this.pdfLinkService.goToPage(evt.value);
+ }
+ if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
+ this.toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
+ }
+}
+function onImageAltTextSettings() {
+ this.imageAltTextSettings?.open({
+ enableGuessAltText: AppOptions.get("enableGuessAltText"),
+ enableNewAltTextWhenAddingImage: AppOptions.get("enableNewAltTextWhenAddingImage")
+ });
+}
+function onFindFromUrlHash(evt) {
+ this.eventBus.dispatch("find", {
+ source: evt.source,
+ type: "",
+ query: evt.query,
+ caseSensitive: false,
+ entireWord: false,
+ highlightAll: true,
+ findPrevious: false,
+ matchDiacritics: true
+ });
+}
+function onUpdateFindMatchesCount({
+ matchesCount
+}) {
+ if (this.supportsIntegratedFind) {
+ this.externalServices.updateFindMatchesCount(matchesCount);
+ } else {
+ this.findBar?.updateResultsCount(matchesCount);
+ }
+}
+function onUpdateFindControlState({
+ state,
+ previous,
+ entireWord,
+ matchesCount,
+ rawQuery
+}) {
+ if (this.supportsIntegratedFind) {
+ this.externalServices.updateFindControlState({
+ result: state,
+ findPrevious: previous,
+ entireWord,
+ matchesCount,
+ rawQuery
+ });
+ } else {
+ this.findBar?.updateUIState(state, previous, matchesCount);
+ }
+}
+function onScaleChanging(evt) {
+ this.toolbar?.setPageScale(evt.presetValue, evt.scale);
+ this.pdfViewer.update();
+}
+function onRotationChanging(evt) {
+ if (this.pdfThumbnailViewer) {
+ this.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
+ }
+ this.forceRendering();
+ this.pdfViewer.currentPageNumber = evt.pageNumber;
+}
+function onPageChanging({
+ pageNumber,
+ pageLabel
+}) {
+ this.toolbar?.setPageNumber(pageNumber, pageLabel);
+ this.secondaryToolbar?.setPageNumber(pageNumber);
+ if (this.pdfSidebar?.visibleView === SidebarView.THUMBS) {
+ this.pdfThumbnailViewer?.scrollThumbnailIntoView(pageNumber);
+ }
+ const currentPage = this.pdfViewer.getPageView(pageNumber - 1);
+ this.toolbar?.updateLoadingIndicatorState(currentPage?.renderingState === RenderingStates.RUNNING);
+}
+function onWheel(evt) {
+ const {
+ pdfViewer,
+ supportsMouseWheelZoomCtrlKey,
+ supportsMouseWheelZoomMetaKey,
+ supportsPinchToZoom
+ } = this;
+ if (pdfViewer.isInPresentationMode) {
+ return;
+ }
+ const deltaMode = evt.deltaMode;
+ let scaleFactor = Math.exp(-evt.deltaY / 100);
+ const isBuiltInMac = false;
+ const isPinchToZoom = evt.ctrlKey && !this._isCtrlKeyDown && deltaMode === WheelEvent.DOM_DELTA_PIXEL && evt.deltaX === 0 && (Math.abs(scaleFactor - 1) < 0.05 || isBuiltInMac) && evt.deltaZ === 0;
+ const origin = [evt.clientX, evt.clientY];
+ if (isPinchToZoom || evt.ctrlKey && supportsMouseWheelZoomCtrlKey || evt.metaKey && supportsMouseWheelZoomMetaKey) {
+ evt.preventDefault();
+ if (this._isScrolling || document.visibilityState === "hidden" || this.overlayManager.active) {
+ return;
+ }
+ if (isPinchToZoom && supportsPinchToZoom) {
+ scaleFactor = this._accumulateFactor(pdfViewer.currentScale, scaleFactor, "_wheelUnusedFactor");
+ this.updateZoom(null, scaleFactor, origin);
+ } else {
+ const delta = normalizeWheelEventDirection(evt);
+ let ticks = 0;
+ if (deltaMode === WheelEvent.DOM_DELTA_LINE || deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+ ticks = Math.abs(delta) >= 1 ? Math.sign(delta) : this._accumulateTicks(delta, "_wheelUnusedTicks");
+ } else {
+ const PIXELS_PER_LINE_SCALE = 30;
+ ticks = this._accumulateTicks(delta / PIXELS_PER_LINE_SCALE, "_wheelUnusedTicks");
+ }
+ this.updateZoom(ticks, null, origin);
+ }
+ }
+}
+function closeSecondaryToolbar({
+ target
+}) {
+ if (!this.secondaryToolbar?.isOpen) {
+ return;
+ }
+ const {
+ toolbar,
+ secondaryToolbar
+ } = this.appConfig;
+ if (this.pdfViewer.containsElement(target) || toolbar?.container.contains(target) && !secondaryToolbar?.toolbar.contains(target) && !secondaryToolbar?.toggleButton.contains(target)) {
+ this.secondaryToolbar.close();
+ }
+}
+function closeEditorUndoBar(evt) {
+ if (!this.editorUndoBar?.isOpen) {
+ return;
+ }
+ if (this.appConfig.secondaryToolbar?.toolbar.contains(evt.target)) {
+ this.editorUndoBar.hide();
+ }
+}
+function onClick(evt) {
+ closeSecondaryToolbar.call(this, evt);
+ closeEditorUndoBar.call(this, evt);
+}
+function onKeyUp(evt) {
+ if (evt.key === "Control") {
+ this._isCtrlKeyDown = false;
+ }
+}
+function onKeyDown(evt) {
+ this._isCtrlKeyDown = evt.key === "Control";
+ if (this.editorUndoBar?.isOpen && evt.keyCode !== 9 && evt.keyCode !== 16 && !((evt.keyCode === 13 || evt.keyCode === 32) && getActiveOrFocusedElement() === this.appConfig.editorUndoBar.undoButton)) {
+ this.editorUndoBar.hide();
+ }
+ if (this.overlayManager.active) {
+ return;
+ }
+ const {
+ eventBus,
+ pdfViewer
+ } = this;
+ const isViewerInPresentationMode = pdfViewer.isInPresentationMode;
+ let handled = false,
+ ensureViewerFocused = false;
+ const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
+ if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
+ switch (evt.keyCode) {
+ case 70:
+ if (!this.supportsIntegratedFind && !evt.shiftKey) {
+ this.findBar?.open();
+ handled = true;
+ }
+ break;
+ case 71:
+ if (!this.supportsIntegratedFind) {
+ const {
+ state
+ } = this.findController;
+ if (state) {
+ const newState = {
+ source: window,
+ type: "again",
+ findPrevious: cmd === 5 || cmd === 12
+ };
+ eventBus.dispatch("find", {
+ ...state,
+ ...newState
+ });
+ }
+ handled = true;
+ }
+ break;
+ case 61:
+ case 107:
+ case 187:
+ case 171:
+ this.zoomIn();
+ handled = true;
+ break;
+ case 173:
+ case 109:
+ case 189:
+ this.zoomOut();
+ handled = true;
+ break;
+ case 48:
+ case 96:
+ if (!isViewerInPresentationMode) {
+ setTimeout(() => {
+ this.zoomReset();
+ });
+ handled = false;
+ }
+ break;
+ case 38:
+ if (isViewerInPresentationMode || this.page > 1) {
+ this.page = 1;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ case 40:
+ if (isViewerInPresentationMode || this.page < this.pagesCount) {
+ this.page = this.pagesCount;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ }
+ }
+ if (cmd === 1 || cmd === 8) {
+ switch (evt.keyCode) {
+ case 83:
+ eventBus.dispatch("download", {
+ source: window
+ });
+ handled = true;
+ break;
+ case 79:
+ {
+ eventBus.dispatch("openfile", {
+ source: window
+ });
+ handled = true;
+ }
+ break;
+ }
+ }
+ if (cmd === 3 || cmd === 10) {
+ switch (evt.keyCode) {
+ case 80:
+ this.requestPresentationMode();
+ handled = true;
+ this.externalServices.reportTelemetry({
+ type: "buttons",
+ data: {
+ id: "presentationModeKeyboard"
+ }
+ });
+ break;
+ case 71:
+ if (this.appConfig.toolbar) {
+ this.appConfig.toolbar.pageNumber.select();
+ handled = true;
+ }
+ break;
+ }
+ }
+ if (handled) {
+ if (ensureViewerFocused && !isViewerInPresentationMode) {
+ pdfViewer.focus();
+ }
+ evt.preventDefault();
+ return;
+ }
+ const curElement = getActiveOrFocusedElement();
+ const curElementTagName = curElement?.tagName.toUpperCase();
+ if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElementTagName === "BUTTON" && evt.keyCode === 32 || curElement?.isContentEditable) {
+ if (evt.keyCode !== 27) {
+ return;
+ }
+ }
+ if (cmd === 0) {
+ let turnPage = 0,
+ turnOnlyIfPageFit = false;
+ switch (evt.keyCode) {
+ case 38:
+ if (this.supportsCaretBrowsingMode) {
+ this.moveCaret(true, false);
+ handled = true;
+ break;
+ }
+ case 33:
+ if (pdfViewer.isVerticalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = -1;
+ break;
+ case 8:
+ if (!isViewerInPresentationMode) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = -1;
+ break;
+ case 37:
+ if (this.supportsCaretBrowsingMode) {
+ return;
+ }
+ if (pdfViewer.isHorizontalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ case 75:
+ case 80:
+ turnPage = -1;
+ break;
+ case 27:
+ if (this.secondaryToolbar?.isOpen) {
+ this.secondaryToolbar.close();
+ handled = true;
+ }
+ if (!this.supportsIntegratedFind && this.findBar?.opened) {
+ this.findBar.close();
+ handled = true;
+ }
+ break;
+ case 40:
+ if (this.supportsCaretBrowsingMode) {
+ this.moveCaret(false, false);
+ handled = true;
+ break;
+ }
+ case 34:
+ if (pdfViewer.isVerticalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = 1;
+ break;
+ case 32:
+ if (!isViewerInPresentationMode) {
+ turnOnlyIfPageFit = true;
+ }
+ turnPage = 1;
+ break;
+ case 39:
+ if (this.supportsCaretBrowsingMode) {
+ return;
+ }
+ if (pdfViewer.isHorizontalScrollbarEnabled) {
+ turnOnlyIfPageFit = true;
+ }
+ case 74:
+ case 78:
+ turnPage = 1;
+ break;
+ case 36:
+ if (isViewerInPresentationMode || this.page > 1) {
+ this.page = 1;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ case 35:
+ if (isViewerInPresentationMode || this.page < this.pagesCount) {
+ this.page = this.pagesCount;
+ handled = true;
+ ensureViewerFocused = true;
+ }
+ break;
+ case 83:
+ this.pdfCursorTools?.switchTool(CursorTool.SELECT);
+ break;
+ case 72:
+ this.pdfCursorTools?.switchTool(CursorTool.HAND);
+ break;
+ case 82:
+ this.rotatePages(90);
+ break;
+ case 115:
+ this.pdfSidebar?.toggle();
+ break;
+ }
+ if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")) {
+ if (turnPage > 0) {
+ pdfViewer.nextPage();
+ } else {
+ pdfViewer.previousPage();
+ }
+ handled = true;
+ }
+ }
+ if (cmd === 4) {
+ switch (evt.keyCode) {
+ case 32:
+ if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== "page-fit") {
+ break;
+ }
+ pdfViewer.previousPage();
+ handled = true;
+ break;
+ case 38:
+ this.moveCaret(true, true);
+ handled = true;
+ break;
+ case 40:
+ this.moveCaret(false, true);
+ handled = true;
+ break;
+ case 82:
+ this.rotatePages(-90);
+ break;
+ }
+ }
+ if (!handled && !isViewerInPresentationMode) {
+ if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== "BUTTON") {
+ ensureViewerFocused = true;
+ }
+ }
+ if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
+ pdfViewer.focus();
+ }
+ if (handled) {
+ evt.preventDefault();
+ }
+}
+function beforeUnload(evt) {
+ evt.preventDefault();
+ evt.returnValue = "";
+ return false;
+}
+
+;// ./web/viewer.js
+
+
+
+
+const AppConstants = {
+ LinkTarget: LinkTarget,
+ RenderingStates: RenderingStates,
+ ScrollMode: ScrollMode,
+ SpreadMode: SpreadMode
+};
+window.PDFViewerApplication = PDFViewerApplication;
+window.PDFViewerApplicationConstants = AppConstants;
+window.PDFViewerApplicationOptions = AppOptions;
+function getViewerConfiguration() {
+ return {
+ appContainer: document.body,
+ principalContainer: document.getElementById("mainContainer"),
+ mainContainer: document.getElementById("viewerContainer"),
+ viewerContainer: document.getElementById("viewer"),
+ viewerAlert: document.getElementById("viewer-alert"),
+ toolbar: {
+ container: document.getElementById("toolbarContainer"),
+ numPages: document.getElementById("numPages"),
+ pageNumber: document.getElementById("pageNumber"),
+ scaleSelect: document.getElementById("scaleSelect"),
+ customScaleOption: document.getElementById("customScaleOption"),
+ previous: document.getElementById("previous"),
+ next: document.getElementById("next"),
+ zoomIn: document.getElementById("zoomInButton"),
+ zoomOut: document.getElementById("zoomOutButton"),
+ print: document.getElementById("printButton"),
+ editorCommentButton: document.getElementById("editorCommentButton"),
+ editorCommentParamsToolbar: document.getElementById("editorCommentParamsToolbar"),
+ editorFreeTextButton: document.getElementById("editorFreeTextButton"),
+ editorFreeTextParamsToolbar: document.getElementById("editorFreeTextParamsToolbar"),
+ editorHighlightButton: document.getElementById("editorHighlightButton"),
+ editorHighlightParamsToolbar: document.getElementById("editorHighlightParamsToolbar"),
+ editorHighlightColorPicker: document.getElementById("editorHighlightColorPicker"),
+ editorInkButton: document.getElementById("editorInkButton"),
+ editorInkParamsToolbar: document.getElementById("editorInkParamsToolbar"),
+ editorStampButton: document.getElementById("editorStampButton"),
+ editorStampParamsToolbar: document.getElementById("editorStampParamsToolbar"),
+ editorSignatureButton: document.getElementById("editorSignatureButton"),
+ editorSignatureParamsToolbar: document.getElementById("editorSignatureParamsToolbar"),
+ download: document.getElementById("downloadButton")
+ },
+ secondaryToolbar: {
+ toolbar: document.getElementById("secondaryToolbar"),
+ toggleButton: document.getElementById("secondaryToolbarToggleButton"),
+ presentationModeButton: document.getElementById("presentationMode"),
+ openFileButton: document.getElementById("secondaryOpenFile"),
+ printButton: document.getElementById("secondaryPrint"),
+ downloadButton: document.getElementById("secondaryDownload"),
+ viewBookmarkButton: document.getElementById("viewBookmark"),
+ firstPageButton: document.getElementById("firstPage"),
+ lastPageButton: document.getElementById("lastPage"),
+ pageRotateCwButton: document.getElementById("pageRotateCw"),
+ pageRotateCcwButton: document.getElementById("pageRotateCcw"),
+ cursorSelectToolButton: document.getElementById("cursorSelectTool"),
+ cursorHandToolButton: document.getElementById("cursorHandTool"),
+ scrollPageButton: document.getElementById("scrollPage"),
+ scrollVerticalButton: document.getElementById("scrollVertical"),
+ scrollHorizontalButton: document.getElementById("scrollHorizontal"),
+ scrollWrappedButton: document.getElementById("scrollWrapped"),
+ spreadNoneButton: document.getElementById("spreadNone"),
+ spreadOddButton: document.getElementById("spreadOdd"),
+ spreadEvenButton: document.getElementById("spreadEven"),
+ imageAltTextSettingsButton: document.getElementById("imageAltTextSettings"),
+ imageAltTextSettingsSeparator: document.getElementById("imageAltTextSettingsSeparator"),
+ documentPropertiesButton: document.getElementById("documentProperties")
+ },
+ sidebar: {
+ outerContainer: document.getElementById("outerContainer"),
+ sidebarContainer: document.getElementById("sidebarContainer"),
+ toggleButton: document.getElementById("sidebarToggleButton"),
+ resizer: document.getElementById("sidebarResizer"),
+ thumbnailButton: document.getElementById("viewThumbnail"),
+ outlineButton: document.getElementById("viewOutline"),
+ attachmentsButton: document.getElementById("viewAttachments"),
+ layersButton: document.getElementById("viewLayers"),
+ thumbnailView: document.getElementById("thumbnailView"),
+ outlineView: document.getElementById("outlineView"),
+ attachmentsView: document.getElementById("attachmentsView"),
+ layersView: document.getElementById("layersView"),
+ currentOutlineItemButton: document.getElementById("currentOutlineItem")
+ },
+ findBar: {
+ bar: document.getElementById("findbar"),
+ toggleButton: document.getElementById("viewFindButton"),
+ findField: document.getElementById("findInput"),
+ highlightAllCheckbox: document.getElementById("findHighlightAll"),
+ caseSensitiveCheckbox: document.getElementById("findMatchCase"),
+ matchDiacriticsCheckbox: document.getElementById("findMatchDiacritics"),
+ entireWordCheckbox: document.getElementById("findEntireWord"),
+ findMsg: document.getElementById("findMsg"),
+ findResultsCount: document.getElementById("findResultsCount"),
+ findPreviousButton: document.getElementById("findPreviousButton"),
+ findNextButton: document.getElementById("findNextButton")
+ },
+ passwordOverlay: {
+ dialog: document.getElementById("passwordDialog"),
+ label: document.getElementById("passwordText"),
+ input: document.getElementById("password"),
+ submitButton: document.getElementById("passwordSubmit"),
+ cancelButton: document.getElementById("passwordCancel")
+ },
+ documentProperties: {
+ dialog: document.getElementById("documentPropertiesDialog"),
+ closeButton: document.getElementById("documentPropertiesClose"),
+ fields: {
+ fileName: document.getElementById("fileNameField"),
+ fileSize: document.getElementById("fileSizeField"),
+ title: document.getElementById("titleField"),
+ author: document.getElementById("authorField"),
+ subject: document.getElementById("subjectField"),
+ keywords: document.getElementById("keywordsField"),
+ creationDate: document.getElementById("creationDateField"),
+ modificationDate: document.getElementById("modificationDateField"),
+ creator: document.getElementById("creatorField"),
+ producer: document.getElementById("producerField"),
+ version: document.getElementById("versionField"),
+ pageCount: document.getElementById("pageCountField"),
+ pageSize: document.getElementById("pageSizeField"),
+ linearized: document.getElementById("linearizedField")
+ }
+ },
+ altTextDialog: {
+ dialog: document.getElementById("altTextDialog"),
+ optionDescription: document.getElementById("descriptionButton"),
+ optionDecorative: document.getElementById("decorativeButton"),
+ textarea: document.getElementById("descriptionTextarea"),
+ cancelButton: document.getElementById("altTextCancel"),
+ saveButton: document.getElementById("altTextSave")
+ },
+ newAltTextDialog: {
+ dialog: document.getElementById("newAltTextDialog"),
+ title: document.getElementById("newAltTextTitle"),
+ descriptionContainer: document.getElementById("newAltTextDescriptionContainer"),
+ textarea: document.getElementById("newAltTextDescriptionTextarea"),
+ disclaimer: document.getElementById("newAltTextDisclaimer"),
+ learnMore: document.getElementById("newAltTextLearnMore"),
+ imagePreview: document.getElementById("newAltTextImagePreview"),
+ createAutomatically: document.getElementById("newAltTextCreateAutomatically"),
+ createAutomaticallyButton: document.getElementById("newAltTextCreateAutomaticallyButton"),
+ downloadModel: document.getElementById("newAltTextDownloadModel"),
+ downloadModelDescription: document.getElementById("newAltTextDownloadModelDescription"),
+ error: document.getElementById("newAltTextError"),
+ errorCloseButton: document.getElementById("newAltTextCloseButton"),
+ cancelButton: document.getElementById("newAltTextCancel"),
+ notNowButton: document.getElementById("newAltTextNotNow"),
+ saveButton: document.getElementById("newAltTextSave")
+ },
+ altTextSettingsDialog: {
+ dialog: document.getElementById("altTextSettingsDialog"),
+ createModelButton: document.getElementById("createModelButton"),
+ aiModelSettings: document.getElementById("aiModelSettings"),
+ learnMore: document.getElementById("altTextSettingsLearnMore"),
+ deleteModelButton: document.getElementById("deleteModelButton"),
+ downloadModelButton: document.getElementById("downloadModelButton"),
+ showAltTextDialogButton: document.getElementById("showAltTextDialogButton"),
+ altTextSettingsCloseButton: document.getElementById("altTextSettingsCloseButton"),
+ closeButton: document.getElementById("altTextSettingsCloseButton")
+ },
+ addSignatureDialog: {
+ dialog: document.getElementById("addSignatureDialog"),
+ panels: document.getElementById("addSignatureActionContainer"),
+ typeButton: document.getElementById("addSignatureTypeButton"),
+ typeInput: document.getElementById("addSignatureTypeInput"),
+ drawButton: document.getElementById("addSignatureDrawButton"),
+ drawSVG: document.getElementById("addSignatureDraw"),
+ drawPlaceholder: document.getElementById("addSignatureDrawPlaceholder"),
+ drawThickness: document.getElementById("addSignatureDrawThickness"),
+ imageButton: document.getElementById("addSignatureImageButton"),
+ imageSVG: document.getElementById("addSignatureImage"),
+ imagePlaceholder: document.getElementById("addSignatureImagePlaceholder"),
+ imagePicker: document.getElementById("addSignatureFilePicker"),
+ imagePickerLink: document.getElementById("addSignatureImageBrowse"),
+ description: document.getElementById("addSignatureDescription"),
+ clearButton: document.getElementById("clearSignatureButton"),
+ saveContainer: document.getElementById("addSignatureSaveContainer"),
+ saveCheckbox: document.getElementById("addSignatureSaveCheckbox"),
+ errorBar: document.getElementById("addSignatureError"),
+ errorTitle: document.getElementById("addSignatureErrorTitle"),
+ errorDescription: document.getElementById("addSignatureErrorDescription"),
+ errorCloseButton: document.getElementById("addSignatureErrorCloseButton"),
+ cancelButton: document.getElementById("addSignatureCancelButton"),
+ addButton: document.getElementById("addSignatureAddButton")
+ },
+ editSignatureDialog: {
+ dialog: document.getElementById("editSignatureDescriptionDialog"),
+ description: document.getElementById("editSignatureDescription"),
+ editSignatureView: document.getElementById("editSignatureView"),
+ cancelButton: document.getElementById("editSignatureCancelButton"),
+ updateButton: document.getElementById("editSignatureUpdateButton")
+ },
+ annotationEditorParams: {
+ editorCommentsSidebar: document.getElementById("editorCommentsSidebar"),
+ editorCommentsSidebarCount: document.getElementById("editorCommentsSidebarCount"),
+ editorCommentsSidebarTitle: document.getElementById("editorCommentsSidebarTitle"),
+ editorCommentsSidebarCloseButton: document.getElementById("editorCommentsSidebarCloseButton"),
+ editorCommentsSidebarList: document.getElementById("editorCommentsSidebarList"),
+ editorCommentsSidebarResizer: document.getElementById("editorCommentsSidebarResizer"),
+ editorFreeTextFontSize: document.getElementById("editorFreeTextFontSize"),
+ editorFreeTextColor: document.getElementById("editorFreeTextColor"),
+ editorInkColor: document.getElementById("editorInkColor"),
+ editorInkThickness: document.getElementById("editorInkThickness"),
+ editorInkOpacity: document.getElementById("editorInkOpacity"),
+ editorStampAddImage: document.getElementById("editorStampAddImage"),
+ editorSignatureAddSignature: document.getElementById("editorSignatureAddSignature"),
+ editorFreeHighlightThickness: document.getElementById("editorFreeHighlightThickness"),
+ editorHighlightShowAll: document.getElementById("editorHighlightShowAll")
+ },
+ printContainer: document.getElementById("printContainer"),
+ editorUndoBar: {
+ container: document.getElementById("editorUndoBar"),
+ message: document.getElementById("editorUndoBarMessage"),
+ undoButton: document.getElementById("editorUndoBarUndoButton"),
+ closeButton: document.getElementById("editorUndoBarCloseButton")
+ },
+ editCommentDialog: {
+ dialog: document.getElementById("commentManagerDialog"),
+ toolbar: document.getElementById("commentManagerToolbar"),
+ title: document.getElementById("commentManagerTitle"),
+ textInput: document.getElementById("commentManagerTextInput"),
+ cancelButton: document.getElementById("commentManagerCancelButton"),
+ saveButton: document.getElementById("commentManagerSaveButton")
+ }
+ };
+}
+function webViewerLoad() {
+ const config = getViewerConfiguration();
+ const event = new CustomEvent("webviewerloaded", {
+ bubbles: true,
+ cancelable: true,
+ detail: {
+ source: window
+ }
+ });
+ try {
+ parent.document.dispatchEvent(event);
+ } catch (ex) {
+ console.error("webviewerloaded:", ex);
+ document.dispatchEvent(event);
+ }
+ PDFViewerApplication.run(config);
+}
+document.blockUnblockOnload?.(true);
+if (document.readyState === "interactive" || document.readyState === "complete") {
+ webViewerLoad();
+} else {
+ document.addEventListener("DOMContentLoaded", webViewerLoad, true);
+}
+
+export { PDFViewerApplication, AppConstants as PDFViewerApplicationConstants, AppOptions as PDFViewerApplicationOptions };
+
+//# sourceMappingURL=viewer.mjs.map
\ No newline at end of file
diff --git a/public/pdfjs-viewer/viewer.mjs.map b/public/pdfjs-viewer/viewer.mjs.map
new file mode 100644
index 00000000..5f8383b1
--- /dev/null
+++ b/public/pdfjs-viewer/viewer.mjs.map
@@ -0,0 +1 @@
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specific language governing permissions and\n * limitations under the License.\n */\n\nconst {\n AbortException,\n AnnotationEditorLayer,\n AnnotationEditorParamsType,\n AnnotationEditorType,\n AnnotationEditorUIManager,\n AnnotationLayer,\n AnnotationMode,\n AnnotationType,\n applyOpacity,\n build,\n ColorPicker,\n createValidAbsoluteUrl,\n CSSConstants,\n DOMSVGFactory,\n DrawLayer,\n FeatureTest,\n fetchData,\n findContrastColor,\n getDocument,\n getFilenameFromUrl,\n getPdfFilenameFromUrl,\n getRGB,\n getUuid,\n getXfaPageViewport,\n GlobalWorkerOptions,\n ImageKind,\n InvalidPDFException,\n isDataScheme,\n isPdfFile,\n isValidExplicitDest,\n MathClamp,\n noContextMenu,\n normalizeUnicode,\n OPS,\n OutputScale,\n PasswordResponses,\n PDFDataRangeTransport,\n PDFDateString,\n PDFWorker,\n PermissionFlag,\n PixelsPerInch,\n RenderingCancelledException,\n renderRichText,\n ResponseException,\n setLayerDimensions,\n shadow,\n SignatureExtractor,\n stopEvent,\n SupportedImageMimeTypes,\n TextLayer,\n TouchManager,\n updateUrlHash,\n Util,\n VerbosityLevel,\n version,\n XfaLayer,\n} = globalThis.pdfjsLib;\n\nexport {\n AbortException,\n AnnotationEditorLayer,\n AnnotationEditorParamsType,\n AnnotationEditorType,\n AnnotationEditorUIManager,\n AnnotationLayer,\n AnnotationMode,\n AnnotationType,\n applyOpacity,\n build,\n ColorPicker,\n createValidAbsoluteUrl,\n CSSConstants,\n DOMSVGFactory,\n DrawLayer,\n FeatureTest,\n fetchData,\n findContrastColor,\n getDocument,\n getFilenameFromUrl,\n getPdfFilenameFromUrl,\n getRGB,\n getUuid,\n getXfaPageViewport,\n GlobalWorkerOptions,\n ImageKind,\n InvalidPDFException,\n isDataScheme,\n isPdfFile,\n isValidExplicitDest,\n MathClamp,\n noContextMenu,\n normalizeUnicode,\n OPS,\n OutputScale,\n PasswordResponses,\n PDFDataRangeTransport,\n PDFDateString,\n PDFWorker,\n PermissionFlag,\n PixelsPerInch,\n RenderingCancelledException,\n renderRichText,\n ResponseException,\n setLayerDimensions,\n shadow,\n SignatureExtractor,\n stopEvent,\n SupportedImageMimeTypes,\n TextLayer,\n TouchManager,\n updateUrlHash,\n Util,\n VerbosityLevel,\n version,\n XfaLayer,\n};\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { MathClamp } from \"pdfjs-lib\";\n\nconst DEFAULT_SCALE_VALUE = \"auto\";\nconst DEFAULT_SCALE = 1.0;\nconst DEFAULT_SCALE_DELTA = 1.1;\nconst MIN_SCALE = 0.1;\nconst MAX_SCALE = 10.0;\nconst UNKNOWN_SCALE = 0;\nconst MAX_AUTO_SCALE = 1.25;\nconst SCROLLBAR_PADDING = 40;\nconst VERTICAL_PADDING = 5;\n\nconst RenderingStates = {\n INITIAL: 0,\n RUNNING: 1,\n PAUSED: 2,\n FINISHED: 3,\n};\n\nconst PresentationModeState = {\n UNKNOWN: 0,\n NORMAL: 1,\n CHANGING: 2,\n FULLSCREEN: 3,\n};\n\nconst SidebarView = {\n UNKNOWN: -1,\n NONE: 0,\n THUMBS: 1, // Default value.\n OUTLINE: 2,\n ATTACHMENTS: 3,\n LAYERS: 4,\n};\n\nconst TextLayerMode = {\n DISABLE: 0,\n ENABLE: 1,\n ENABLE_PERMISSIONS: 2,\n};\n\nconst ScrollMode = {\n UNKNOWN: -1,\n VERTICAL: 0, // Default value.\n HORIZONTAL: 1,\n WRAPPED: 2,\n PAGE: 3,\n};\n\nconst SpreadMode = {\n UNKNOWN: -1,\n NONE: 0, // Default value.\n ODD: 1,\n EVEN: 2,\n};\n\nconst CursorTool = {\n SELECT: 0, // The default value.\n HAND: 1,\n ZOOM: 2,\n};\n\n// Used by `PDFViewerApplication`, and by the API unit-tests.\nconst AutoPrintRegExp = /\\bprint\\s*\\(/;\n\n/**\n * Scrolls specified element into view of its parent.\n * @param {HTMLElement} element - The element to be visible.\n * @param {Object} [spot] - An object with optional top and left properties,\n * specifying the offset from the top left edge.\n * @param {number} [spot.left]\n * @param {number} [spot.top]\n * @param {boolean} [scrollMatches] - When scrolling search results into view,\n * ignore elements that either: Contains marked content identifiers,\n * or have the CSS-rule `overflow: hidden;` set. The default value is `false`.\n */\nfunction scrollIntoView(element, spot, scrollMatches = false) {\n // Assuming offsetParent is available (it's not available when viewer is in\n // hidden iframe or object). We have to scroll: if the offsetParent is not set\n // producing the error. See also animationStarted.\n let parent = element.offsetParent;\n if (!parent) {\n console.error(\"offsetParent is not set -- cannot scroll\");\n return;\n }\n let offsetY = element.offsetTop + element.clientTop;\n let offsetX = element.offsetLeft + element.clientLeft;\n while (\n (parent.clientHeight === parent.scrollHeight &&\n parent.clientWidth === parent.scrollWidth) ||\n (scrollMatches &&\n (parent.classList.contains(\"markedContent\") ||\n getComputedStyle(parent).overflow === \"hidden\"))\n ) {\n offsetY += parent.offsetTop;\n offsetX += parent.offsetLeft;\n\n parent = parent.offsetParent;\n if (!parent) {\n return; // no need to scroll\n }\n }\n if (spot) {\n if (spot.top !== undefined) {\n offsetY += spot.top;\n }\n if (spot.left !== undefined) {\n if (scrollMatches) {\n const elementWidth = element.getBoundingClientRect().width;\n const padding = MathClamp(\n (parent.clientWidth - elementWidth) / 2,\n 20,\n 400\n );\n offsetX += spot.left - padding;\n } else {\n offsetX += spot.left;\n }\n parent.scrollLeft = offsetX;\n }\n }\n parent.scrollTop = offsetY;\n}\n\n/**\n * Helper function to start monitoring the scroll event and converting them into\n * PDF.js friendly one: with scroll debounce and scroll direction.\n */\nfunction watchScroll(viewAreaElement, callback, abortSignal = undefined) {\n const debounceScroll = function (evt) {\n if (rAF) {\n return;\n }\n // schedule an invocation of scroll for next animation frame.\n rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {\n rAF = null;\n\n const currentX = viewAreaElement.scrollLeft;\n const lastX = state.lastX;\n if (currentX !== lastX) {\n state.right = currentX > lastX;\n }\n state.lastX = currentX;\n const currentY = viewAreaElement.scrollTop;\n const lastY = state.lastY;\n if (currentY !== lastY) {\n state.down = currentY > lastY;\n }\n state.lastY = currentY;\n callback(state);\n });\n };\n\n const state = {\n right: true,\n down: true,\n lastX: viewAreaElement.scrollLeft,\n lastY: viewAreaElement.scrollTop,\n _eventHandler: debounceScroll,\n };\n\n let rAF = null;\n viewAreaElement.addEventListener(\"scroll\", debounceScroll, {\n useCapture: true,\n signal: abortSignal,\n });\n abortSignal?.addEventListener(\n \"abort\",\n () => window.cancelAnimationFrame(rAF),\n { once: true }\n );\n return state;\n}\n\n/**\n * Helper function to parse query string (e.g. ?param1=value¶m2=...).\n * @param {string} query\n * @returns {Map}\n */\nfunction parseQueryString(query) {\n const params = new Map();\n for (const [key, value] of new URLSearchParams(query)) {\n params.set(key.toLowerCase(), value);\n }\n return params;\n}\n\nconst InvisibleCharsRegExp = /[\\x00-\\x1F]/g;\n\n/**\n * @param {string} str\n * @param {boolean} [replaceInvisible]\n */\nfunction removeNullCharacters(str, replaceInvisible = false) {\n if (!InvisibleCharsRegExp.test(str)) {\n return str;\n }\n if (replaceInvisible) {\n return str.replaceAll(InvisibleCharsRegExp, m => (m === \"\\x00\" ? \"\" : \" \"));\n }\n return str.replaceAll(\"\\x00\", \"\");\n}\n\n/**\n * Use binary search to find the index of the first item in a given array which\n * passes a given condition. The items are expected to be sorted in the sense\n * that if the condition is true for one item in the array, then it is also true\n * for all following items.\n *\n * @returns {number} Index of the first array element to pass the test,\n * or |items.length| if no such element exists.\n */\nfunction binarySearchFirstItem(items, condition, start = 0) {\n let minIndex = start;\n let maxIndex = items.length - 1;\n\n if (maxIndex < 0 || !condition(items[maxIndex])) {\n return items.length;\n }\n if (condition(items[minIndex])) {\n return minIndex;\n }\n\n while (minIndex < maxIndex) {\n const currentIndex = (minIndex + maxIndex) >> 1;\n const currentItem = items[currentIndex];\n if (condition(currentItem)) {\n maxIndex = currentIndex;\n } else {\n minIndex = currentIndex + 1;\n }\n }\n return minIndex; /* === maxIndex */\n}\n\n/**\n * Approximates float number as a fraction using Farey sequence (max order\n * of 8).\n * @param {number} x - Positive float number.\n * @returns {Array} Estimated fraction: the first array item is a numerator,\n * the second one is a denominator.\n * They are both natural numbers.\n */\nfunction approximateFraction(x) {\n // Fast paths for int numbers or their inversions.\n if (Math.floor(x) === x) {\n return [x, 1];\n }\n const xinv = 1 / x;\n const limit = 8;\n if (xinv > limit) {\n return [1, limit];\n } else if (Math.floor(xinv) === xinv) {\n return [1, xinv];\n }\n\n const x_ = x > 1 ? xinv : x;\n // a/b and c/d are neighbours in Farey sequence.\n let a = 0,\n b = 1,\n c = 1,\n d = 1;\n // Limiting search to order 8.\n while (true) {\n // Generating next term in sequence (order of q).\n const p = a + c,\n q = b + d;\n if (q > limit) {\n break;\n }\n if (x_ <= p / q) {\n c = p;\n d = q;\n } else {\n a = p;\n b = q;\n }\n }\n let result;\n // Select closest of the neighbours to x.\n if (x_ - a / b < c / d - x_) {\n result = x_ === x ? [a, b] : [b, a];\n } else {\n result = x_ === x ? [c, d] : [d, c];\n }\n return result;\n}\n\n/**\n * @param {number} x - A positive number to round to a multiple of `div`.\n * @param {number} div - A natural number.\n */\nfunction floorToDivide(x, div) {\n return x - (x % div);\n}\n\n/**\n * @typedef {Object} GetPageSizeInchesParameters\n * @property {number[]} view\n * @property {number} userUnit\n * @property {number} rotate\n */\n\n/**\n * @typedef {Object} PageSize\n * @property {number} width - In inches.\n * @property {number} height - In inches.\n */\n\n/**\n * Gets the size of the specified page, converted from PDF units to inches.\n * @param {GetPageSizeInchesParameters} params\n * @returns {PageSize}\n */\nfunction getPageSizeInches({ view, userUnit, rotate }) {\n const [x1, y1, x2, y2] = view;\n // We need to take the page rotation into account as well.\n const changeOrientation = rotate % 180 !== 0;\n\n const width = ((x2 - x1) / 72) * userUnit;\n const height = ((y2 - y1) / 72) * userUnit;\n\n return {\n width: changeOrientation ? height : width,\n height: changeOrientation ? width : height,\n };\n}\n\n/**\n * Helper function for getVisibleElements.\n *\n * @param {number} index - initial guess at the first visible element\n * @param {Array} views - array of pages, into which `index` is an index\n * @param {number} top - the top of the scroll pane\n * @returns {number} less than or equal to `index` that is definitely at or\n * before the first visible element in `views`, but not by too much. (Usually,\n * this will be the first element in the first partially visible row in\n * `views`, although sometimes it goes back one row further.)\n */\nfunction backtrackBeforeAllVisibleElements(index, views, top) {\n // binarySearchFirstItem's assumption is that the input is ordered, with only\n // one index where the conditions flips from false to true: [false ...,\n // true...]. With vertical scrolling and spreads, it is possible to have\n // [false ..., true, false, true ...]. With wrapped scrolling we can have a\n // similar sequence, with many more mixed true and false in the middle.\n //\n // So there is no guarantee that the binary search yields the index of the\n // first visible element. It could have been any of the other visible elements\n // that were preceded by a hidden element.\n\n // Of course, if either this element or the previous (hidden) element is also\n // the first element, there's nothing to worry about.\n if (index < 2) {\n return index;\n }\n\n // That aside, the possible cases are represented below.\n //\n // **** = fully hidden\n // A*B* = mix of partially visible and/or hidden pages\n // CDEF = fully visible\n //\n // (1) Binary search could have returned A, in which case we can stop.\n // (2) Binary search could also have returned B, in which case we need to\n // check the whole row.\n // (3) Binary search could also have returned C, in which case we need to\n // check the whole previous row.\n //\n // There's one other possibility:\n //\n // **** = fully hidden\n // ABCD = mix of fully and/or partially visible pages\n //\n // (4) Binary search could only have returned A.\n\n // Initially assume that we need to find the beginning of the current row\n // (case 1, 2, or 4), which means finding a page that is above the current\n // page's top. If the found page is partially visible, we're definitely not in\n // case 3, and this assumption is correct.\n let elt = views[index].div;\n let pageTop = elt.offsetTop + elt.clientTop;\n\n if (pageTop >= top) {\n // The found page is fully visible, so we're actually either in case 3 or 4,\n // and unfortunately we can't tell the difference between them without\n // scanning the entire previous row, so we just conservatively assume that\n // we do need to backtrack to that row. In both cases, the previous page is\n // in the previous row, so use its top instead.\n elt = views[index - 1].div;\n pageTop = elt.offsetTop + elt.clientTop;\n }\n\n // Now we backtrack to the first page that still has its bottom below\n // `pageTop`, which is the top of a page in the first visible row (unless\n // we're in case 4, in which case it's the row before that).\n // `index` is found by binary search, so the page at `index - 1` is\n // invisible and we can start looking for potentially visible pages from\n // `index - 2`. (However, if this loop terminates on its first iteration,\n // which is the case when pages are stacked vertically, `index` should remain\n // unchanged, so we use a distinct loop variable.)\n for (let i = index - 2; i >= 0; --i) {\n elt = views[i].div;\n if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {\n // We have reached the previous row, so stop now.\n // This loop is expected to terminate relatively quickly because the\n // number of pages per row is expected to be small.\n break;\n }\n index = i;\n }\n return index;\n}\n\n/**\n * @typedef {Object} GetVisibleElementsParameters\n * @property {HTMLElement} scrollEl - A container that can possibly scroll.\n * @property {Array} views - Objects with a `div` property that contains an\n * HTMLElement, which should all be descendants of `scrollEl` satisfying the\n * relevant layout assumptions.\n * @property {boolean} sortByVisibility - If `true`, the returned elements are\n * sorted in descending order of the percent of their padding box that is\n * visible. The default value is `false`.\n * @property {boolean} horizontal - If `true`, the elements are assumed to be\n * laid out horizontally instead of vertically. The default value is `false`.\n * @property {boolean} rtl - If `true`, the `scrollEl` container is assumed to\n * be in right-to-left mode. The default value is `false`.\n */\n\n/**\n * Generic helper to find out what elements are visible within a scroll pane.\n *\n * Well, pretty generic. There are some assumptions placed on the elements\n * referenced by `views`:\n * - If `horizontal`, no left of any earlier element is to the right of the\n * left of any later element.\n * - Otherwise, `views` can be split into contiguous rows where, within a row,\n * no top of any element is below the bottom of any other element, and\n * between rows, no bottom of any element in an earlier row is below the\n * top of any element in a later row.\n *\n * (Here, top, left, etc. all refer to the padding edge of the element in\n * question. For pages, that ends up being equivalent to the bounding box of the\n * rendering canvas. Earlier and later refer to index in `views`, not page\n * layout.)\n *\n * @param {GetVisibleElementsParameters} params\n * @returns {Object} `{ first, last, views: [{ id, x, y, view, percent }] }`\n */\nfunction getVisibleElements({\n scrollEl,\n views,\n sortByVisibility = false,\n horizontal = false,\n rtl = false,\n}) {\n const top = scrollEl.scrollTop,\n bottom = top + scrollEl.clientHeight;\n const left = scrollEl.scrollLeft,\n right = left + scrollEl.clientWidth;\n\n // Throughout this \"generic\" function, comments will assume we're working with\n // PDF document pages, which is the most important and complex case. In this\n // case, the visible elements we're actually interested is the page canvas,\n // which is contained in a wrapper which adds no padding/border/margin, which\n // is itself contained in `view.div` which adds no padding (but does add a\n // border). So, as specified in this function's doc comment, this function\n // does all of its work on the padding edge of the provided views, starting at\n // offsetLeft/Top (which includes margin) and adding clientLeft/Top (which is\n // the border). Adding clientWidth/Height gets us the bottom-right corner of\n // the padding edge.\n function isElementBottomAfterViewTop(view) {\n const element = view.div;\n const elementBottom =\n element.offsetTop + element.clientTop + element.clientHeight;\n return elementBottom > top;\n }\n function isElementNextAfterViewHorizontally(view) {\n const element = view.div;\n const elementLeft = element.offsetLeft + element.clientLeft;\n const elementRight = elementLeft + element.clientWidth;\n return rtl ? elementLeft < right : elementRight > left;\n }\n\n const visible = [],\n ids = new Set(),\n numViews = views.length;\n let firstVisibleElementInd = binarySearchFirstItem(\n views,\n horizontal\n ? isElementNextAfterViewHorizontally\n : isElementBottomAfterViewTop\n );\n\n // Please note the return value of the `binarySearchFirstItem` function when\n // no valid element is found (hence the `firstVisibleElementInd` check below).\n if (\n firstVisibleElementInd > 0 &&\n firstVisibleElementInd < numViews &&\n !horizontal\n ) {\n // In wrapped scrolling (or vertical scrolling with spreads), with some page\n // sizes, isElementBottomAfterViewTop doesn't satisfy the binary search\n // condition: there can be pages with bottoms above the view top between\n // pages with bottoms below. This function detects and corrects that error;\n // see it for more comments.\n firstVisibleElementInd = backtrackBeforeAllVisibleElements(\n firstVisibleElementInd,\n views,\n top\n );\n }\n\n // lastEdge acts as a cutoff for us to stop looping, because we know all\n // subsequent pages will be hidden.\n //\n // When using wrapped scrolling or vertical scrolling with spreads, we can't\n // simply stop the first time we reach a page below the bottom of the view;\n // the tops of subsequent pages on the same row could still be visible. In\n // horizontal scrolling, we don't have that issue, so we can stop as soon as\n // we pass `right`, without needing the code below that handles the -1 case.\n let lastEdge = horizontal ? right : -1;\n\n for (let i = firstVisibleElementInd; i < numViews; i++) {\n const view = views[i],\n element = view.div;\n const currentWidth = element.offsetLeft + element.clientLeft;\n const currentHeight = element.offsetTop + element.clientTop;\n const viewWidth = element.clientWidth,\n viewHeight = element.clientHeight;\n const viewRight = currentWidth + viewWidth;\n const viewBottom = currentHeight + viewHeight;\n\n if (lastEdge === -1) {\n // As commented above, this is only needed in non-horizontal cases.\n // Setting lastEdge to the bottom of the first page that is partially\n // visible ensures that the next page fully below lastEdge is on the\n // next row, which has to be fully hidden along with all subsequent rows.\n if (viewBottom >= bottom) {\n lastEdge = viewBottom;\n }\n } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {\n break;\n }\n\n if (\n viewBottom <= top ||\n currentHeight >= bottom ||\n viewRight <= left ||\n currentWidth >= right\n ) {\n continue;\n }\n\n const minY = Math.max(0, top - currentHeight);\n const minX = Math.max(0, left - currentWidth);\n\n const hiddenHeight = minY + Math.max(0, viewBottom - bottom);\n const hiddenWidth = minX + Math.max(0, viewRight - right);\n\n const fractionHeight = (viewHeight - hiddenHeight) / viewHeight,\n fractionWidth = (viewWidth - hiddenWidth) / viewWidth;\n const percent = (fractionHeight * fractionWidth * 100) | 0;\n\n visible.push({\n id: view.id,\n x: currentWidth,\n y: currentHeight,\n visibleArea:\n // We only specify which part of the page is visible when it's not\n // the full page, as there is no point in handling a partial page\n // rendering otherwise.\n percent === 100\n ? null\n : {\n minX,\n minY,\n maxX: Math.min(viewRight, right) - currentWidth,\n maxY: Math.min(viewBottom, bottom) - currentHeight,\n },\n view,\n percent,\n widthPercent: (fractionWidth * 100) | 0,\n });\n ids.add(view.id);\n }\n\n const first = visible[0],\n last = visible.at(-1);\n\n if (sortByVisibility) {\n visible.sort(function (a, b) {\n const pc = a.percent - b.percent;\n if (Math.abs(pc) > 0.001) {\n return -pc;\n }\n return a.id - b.id; // ensure stability\n });\n }\n return { first, last, views: visible, ids };\n}\n\nfunction normalizeWheelEventDirection(evt) {\n let delta = Math.hypot(evt.deltaX, evt.deltaY);\n const angle = Math.atan2(evt.deltaY, evt.deltaX);\n if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {\n // All that is left-up oriented has to change the sign.\n delta = -delta;\n }\n return delta;\n}\n\nfunction normalizeWheelEventDelta(evt) {\n const deltaMode = evt.deltaMode; // Avoid being affected by bug 1392460.\n let delta = normalizeWheelEventDirection(evt);\n\n const MOUSE_PIXELS_PER_LINE = 30;\n const MOUSE_LINES_PER_PAGE = 30;\n\n // Converts delta to per-page units\n if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) {\n delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;\n } else if (deltaMode === WheelEvent.DOM_DELTA_LINE) {\n delta /= MOUSE_LINES_PER_PAGE;\n }\n return delta;\n}\n\nfunction isValidRotation(angle) {\n return Number.isInteger(angle) && angle % 90 === 0;\n}\n\nfunction isValidScrollMode(mode) {\n return (\n Number.isInteger(mode) &&\n Object.values(ScrollMode).includes(mode) &&\n mode !== ScrollMode.UNKNOWN\n );\n}\n\nfunction isValidSpreadMode(mode) {\n return (\n Number.isInteger(mode) &&\n Object.values(SpreadMode).includes(mode) &&\n mode !== SpreadMode.UNKNOWN\n );\n}\n\nfunction isPortraitOrientation(size) {\n return size.width <= size.height;\n}\n\n/**\n * Promise that is resolved when DOM window becomes visible.\n */\nconst animationStarted = new Promise(function (resolve) {\n if (\n typeof PDFJSDev !== \"undefined\" &&\n PDFJSDev.test(\"LIB\") &&\n typeof window === \"undefined\"\n ) {\n // Prevent \"ReferenceError: window is not defined\" errors when running the\n // unit-tests in Node.js environments.\n setTimeout(resolve, 20);\n return;\n }\n window.requestAnimationFrame(resolve);\n});\n\nconst docStyle =\n typeof PDFJSDev !== \"undefined\" &&\n PDFJSDev.test(\"LIB\") &&\n typeof document === \"undefined\"\n ? null\n : document.documentElement.style;\n\nclass ProgressBar {\n #classList = null;\n\n #disableAutoFetchTimeout = null;\n\n #percent = 0;\n\n #style = null;\n\n #visible = true;\n\n constructor(bar) {\n this.#classList = bar.classList;\n this.#style = bar.style;\n }\n\n get percent() {\n return this.#percent;\n }\n\n set percent(val) {\n this.#percent = MathClamp(val, 0, 100);\n\n if (isNaN(val)) {\n this.#classList.add(\"indeterminate\");\n return;\n }\n this.#classList.remove(\"indeterminate\");\n\n this.#style.setProperty(\"--progressBar-percent\", `${this.#percent}%`);\n }\n\n setWidth(viewer) {\n if (!viewer) {\n return;\n }\n const container = viewer.parentNode;\n const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;\n if (scrollbarWidth > 0) {\n this.#style.setProperty(\n \"--progressBar-end-offset\",\n `${scrollbarWidth}px`\n );\n }\n }\n\n setDisableAutoFetch(delay = /* ms = */ 5000) {\n if (this.#percent === 100 || isNaN(this.#percent)) {\n return;\n }\n if (this.#disableAutoFetchTimeout) {\n clearTimeout(this.#disableAutoFetchTimeout);\n }\n this.show();\n\n this.#disableAutoFetchTimeout = setTimeout(() => {\n this.#disableAutoFetchTimeout = null;\n this.hide();\n }, delay);\n }\n\n hide() {\n if (!this.#visible) {\n return;\n }\n this.#visible = false;\n this.#classList.add(\"hidden\");\n }\n\n show() {\n if (this.#visible) {\n return;\n }\n this.#visible = true;\n this.#classList.remove(\"hidden\");\n }\n}\n\n/**\n * Get the active or focused element in current DOM.\n *\n * Recursively search for the truly active or focused element in case there are\n * shadow DOMs.\n *\n * @returns {Element} the truly active or focused element.\n */\nfunction getActiveOrFocusedElement() {\n let curRoot = document;\n let curActiveOrFocused =\n curRoot.activeElement || curRoot.querySelector(\":focus\");\n\n while (curActiveOrFocused?.shadowRoot) {\n curRoot = curActiveOrFocused.shadowRoot;\n curActiveOrFocused =\n curRoot.activeElement || curRoot.querySelector(\":focus\");\n }\n\n return curActiveOrFocused;\n}\n\n/**\n * Converts API PageLayout values to the format used by `BaseViewer`.\n * @param {string} layout - The API PageLayout value.\n * @returns {Object}\n */\nfunction apiPageLayoutToViewerModes(layout) {\n let scrollMode = ScrollMode.VERTICAL,\n spreadMode = SpreadMode.NONE;\n\n switch (layout) {\n case \"SinglePage\":\n scrollMode = ScrollMode.PAGE;\n break;\n case \"OneColumn\":\n break;\n case \"TwoPageLeft\":\n scrollMode = ScrollMode.PAGE;\n /* falls through */\n case \"TwoColumnLeft\":\n spreadMode = SpreadMode.ODD;\n break;\n case \"TwoPageRight\":\n scrollMode = ScrollMode.PAGE;\n /* falls through */\n case \"TwoColumnRight\":\n spreadMode = SpreadMode.EVEN;\n break;\n }\n return { scrollMode, spreadMode };\n}\n\n/**\n * Converts API PageMode values to the format used by `PDFSidebar`.\n * NOTE: There's also a \"FullScreen\" parameter which is not possible to support,\n * since the Fullscreen API used in browsers requires that entering\n * fullscreen mode only occurs as a result of a user-initiated event.\n * @param {string} mode - The API PageMode value.\n * @returns {number} A value from {SidebarView}.\n */\nfunction apiPageModeToSidebarView(mode) {\n switch (mode) {\n case \"UseNone\":\n return SidebarView.NONE;\n case \"UseThumbs\":\n return SidebarView.THUMBS;\n case \"UseOutlines\":\n return SidebarView.OUTLINE;\n case \"UseAttachments\":\n return SidebarView.ATTACHMENTS;\n case \"UseOC\":\n return SidebarView.LAYERS;\n }\n return SidebarView.NONE; // Default value.\n}\n\nfunction toggleCheckedBtn(button, toggle, view = null) {\n button.classList.toggle(\"toggled\", toggle);\n button.setAttribute(\"aria-checked\", toggle);\n\n view?.classList.toggle(\"hidden\", !toggle);\n}\n\nfunction toggleExpandedBtn(button, toggle, view = null) {\n button.classList.toggle(\"toggled\", toggle);\n button.setAttribute(\"aria-expanded\", toggle);\n\n view?.classList.toggle(\"hidden\", !toggle);\n}\n\n// In Firefox, the css calc function uses f32 precision but the Chrome or Safari\n// are using f64 one. So in order to have the same rendering in all browsers, we\n// need to use the right precision in order to have correct dimensions.\nconst calcRound =\n typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")\n ? Math.fround\n : (function () {\n if (\n typeof PDFJSDev !== \"undefined\" &&\n PDFJSDev.test(\"LIB\") &&\n typeof document === \"undefined\"\n ) {\n return x => x;\n }\n const e = document.createElement(\"div\");\n e.style.width = \"round(down, calc(1.6666666666666665 * 792px), 1px)\";\n return e.style.width === \"calc(1320px)\" ? Math.fround : x => x;\n })();\n\nexport {\n animationStarted,\n apiPageLayoutToViewerModes,\n apiPageModeToSidebarView,\n approximateFraction,\n AutoPrintRegExp,\n backtrackBeforeAllVisibleElements, // only exported for testing\n binarySearchFirstItem,\n calcRound,\n CursorTool,\n DEFAULT_SCALE,\n DEFAULT_SCALE_DELTA,\n DEFAULT_SCALE_VALUE,\n docStyle,\n floorToDivide,\n getActiveOrFocusedElement,\n getPageSizeInches,\n getVisibleElements,\n isPortraitOrientation,\n isValidRotation,\n isValidScrollMode,\n isValidSpreadMode,\n MAX_AUTO_SCALE,\n MAX_SCALE,\n MIN_SCALE,\n normalizeWheelEventDelta,\n normalizeWheelEventDirection,\n parseQueryString,\n PresentationModeState,\n ProgressBar,\n removeNullCharacters,\n RenderingStates,\n SCROLLBAR_PADDING,\n scrollIntoView,\n ScrollMode,\n SidebarView,\n SpreadMode,\n TextLayerMode,\n toggleCheckedBtn,\n toggleExpandedBtn,\n UNKNOWN_SCALE,\n VERTICAL_PADDING,\n watchScroll,\n};\n","/* Copyright 2018 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nif (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n // eslint-disable-next-line no-var\n var compatParams = new Map();\n if (\n typeof PDFJSDev !== \"undefined\" &&\n PDFJSDev.test(\"LIB\") &&\n !globalThis.navigator?.language\n ) {\n globalThis.navigator = {\n language: \"en-US\",\n maxTouchPoints: 1,\n platform: \"\",\n userAgent: \"\",\n };\n }\n const { maxTouchPoints, platform, userAgent } = navigator;\n\n const isAndroid = /Android/.test(userAgent);\n const isIOS =\n /\\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) ||\n (platform === \"MacIntel\" && maxTouchPoints > 1);\n\n // Limit canvas size to 5 mega-pixels on mobile.\n // Support: Android, iOS\n (function () {\n if (isIOS || isAndroid) {\n compatParams.set(\"maxCanvasPixels\", 5242880);\n }\n })();\n\n // Don't use system fonts on Android (issue 18210).\n // Support: Android\n (function () {\n if (isAndroid) {\n compatParams.set(\"useSystemFonts\", false);\n }\n })();\n}\n\nconst OptionKind = {\n BROWSER: 0x01,\n VIEWER: 0x02,\n API: 0x04,\n WORKER: 0x08,\n EVENT_DISPATCH: 0x10,\n PREFERENCE: 0x80,\n};\n\n// Should only be used with options that allow multiple types.\nconst Type = {\n BOOLEAN: 0x01,\n NUMBER: 0x02,\n OBJECT: 0x04,\n STRING: 0x08,\n UNDEFINED: 0x10,\n};\n\n/**\n * NOTE: These options are used to generate the `default_preferences.json` file,\n * see `OptionKind.PREFERENCE`, hence the values below must use only\n * primitive types and cannot rely on any imported types.\n */\nconst defaultOptions = {\n allowedGlobalEvents: {\n /** @type {Object} */\n value: null,\n kind: OptionKind.BROWSER,\n },\n canvasMaxAreaInBytes: {\n /** @type {number} */\n value: -1,\n kind: OptionKind.BROWSER + OptionKind.API,\n },\n isInAutomation: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.BROWSER,\n },\n localeProperties: {\n /** @type {Object} */\n value:\n typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")\n ? { lang: navigator.language || \"en-US\" }\n : null,\n kind: OptionKind.BROWSER,\n },\n maxCanvasDim: {\n /** @type {number} */\n value: 32767,\n kind: OptionKind.BROWSER + OptionKind.VIEWER,\n },\n nimbusDataStr: {\n /** @type {string} */\n value: \"\",\n kind: OptionKind.BROWSER,\n },\n supportsCaretBrowsingMode: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.BROWSER,\n },\n supportsDocumentFonts: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.BROWSER,\n },\n supportsIntegratedFind: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.BROWSER,\n },\n supportsMouseWheelZoomCtrlKey: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.BROWSER,\n },\n supportsMouseWheelZoomMetaKey: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.BROWSER,\n },\n supportsPinchToZoom: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.BROWSER,\n },\n supportsPrinting: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.BROWSER,\n },\n toolbarDensity: {\n /** @type {number} */\n value: 0, // 0 = \"normal\", 1 = \"compact\", 2 = \"touch\"\n kind: OptionKind.BROWSER + OptionKind.EVENT_DISPATCH,\n },\n\n altTextLearnMoreUrl: {\n /** @type {string} */\n value:\n typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")\n ? \"https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/pdf-alt-text\"\n : \"\",\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n annotationEditorMode: {\n /** @type {number} */\n value: 0,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n annotationMode: {\n /** @type {number} */\n value: 2,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n capCanvasAreaFactor: {\n /** @type {number} */\n value: 200,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n commentLearnMoreUrl: {\n /** @type {string} */\n value:\n typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"MOZCENTRAL\")\n ? \"https://support.mozilla.org/%LOCALE%/kb/view-pdf-files-firefox-or-choose-another-viewer#w_add-a-comment-to-a-pdf\"\n : \"\",\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n cursorToolOnLoad: {\n /** @type {number} */\n value: 0,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n debuggerSrc: {\n /** @type {string} */\n value: \"./debugger.mjs\",\n kind: OptionKind.VIEWER,\n },\n defaultZoomDelay: {\n /** @type {number} */\n value: 400,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n defaultZoomValue: {\n /** @type {string} */\n value: \"\",\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n disableHistory: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.VIEWER,\n },\n disablePageLabels: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enableAltText: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enableAltTextModelDownload: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE + OptionKind.EVENT_DISPATCH,\n },\n enableAutoLinking: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enableComment: {\n /** @type {boolean} */\n value: typeof PDFJSDev === \"undefined\",\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enableDetailCanvas: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.VIEWER,\n },\n enableGuessAltText: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE + OptionKind.EVENT_DISPATCH,\n },\n enableHighlightFloatingButton: {\n // We'll probably want to make some experiments before enabling this\n // in Firefox release, but it has to be temporary.\n // TODO: remove it when unnecessary.\n /** @type {boolean} */\n value: typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"TESTING\"),\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enableNewAltTextWhenAddingImage: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enableOptimizedPartialRendering: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enablePermissions: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enablePrintAutoRotate: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enableScripting: {\n /** @type {boolean} */\n value: typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"CHROME\"),\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enableSignatureEditor: {\n /** @type {boolean} */\n value: typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"TESTING\"),\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enableUpdatedAddImage: {\n // We'll probably want to make some experiments before enabling this\n // in Firefox release, but it has to be temporary.\n // TODO: remove it when unnecessary.\n /** @type {boolean} */\n value: false,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n externalLinkRel: {\n /** @type {string} */\n value: \"noopener noreferrer nofollow\",\n kind: OptionKind.VIEWER,\n },\n externalLinkTarget: {\n /** @type {number} */\n value: 0,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n highlightEditorColors: {\n /** @type {string} */\n value:\n \"yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F,\" +\n \"yellow_HCM=#FFFFCC,green_HCM=#53FFBC,blue_HCM=#80EBFF,pink_HCM=#F6B8FF,red_HCM=#C50043\",\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n historyUpdateUrl: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n ignoreDestinationZoom: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n imageResourcesPath: {\n /** @type {string} */\n value:\n typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")\n ? \"resource://pdf.js/web/images/\"\n : \"./images/\",\n kind: OptionKind.VIEWER,\n },\n maxCanvasPixels: {\n /** @type {number} */\n value: 2 ** 25,\n kind: OptionKind.VIEWER,\n },\n minDurationToUpdateCanvas: {\n /** @type {number} */\n value: 500, // ms\n kind: OptionKind.VIEWER,\n },\n forcePageColors: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n pageColorsBackground: {\n /** @type {string} */\n value: \"Canvas\",\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n pageColorsForeground: {\n /** @type {string} */\n value: \"CanvasText\",\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n pdfBugEnabled: {\n /** @type {boolean} */\n value: typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"TESTING\"),\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n printResolution: {\n /** @type {number} */\n value: 150,\n kind: OptionKind.VIEWER,\n },\n sidebarViewOnLoad: {\n /** @type {number} */\n value: -1,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n scrollModeOnLoad: {\n /** @type {number} */\n value: -1,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n spreadModeOnLoad: {\n /** @type {number} */\n value: -1,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n textLayerMode: {\n /** @type {number} */\n value: 1,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n viewerCssTheme: {\n /** @type {number} */\n value: typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"CHROME\") ? 2 : 0,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n viewOnLoad: {\n /** @type {boolean} */\n value: 0,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n\n cMapPacked: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.API,\n },\n cMapUrl: {\n /** @type {string} */\n value:\n // eslint-disable-next-line no-nested-ternary\n typeof PDFJSDev === \"undefined\"\n ? \"../external/bcmaps/\"\n : PDFJSDev.test(\"MOZCENTRAL\")\n ? \"resource://pdf.js/web/cmaps/\"\n : \"../web/cmaps/\",\n kind: OptionKind.API,\n },\n disableAutoFetch: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.API + OptionKind.PREFERENCE,\n },\n disableFontFace: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.API + OptionKind.PREFERENCE,\n },\n disableRange: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.API + OptionKind.PREFERENCE,\n },\n disableStream: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.API + OptionKind.PREFERENCE,\n },\n docBaseUrl: {\n /** @type {string} */\n value:\n typeof PDFJSDev === \"undefined\"\n ? // NOTE: We cannot use the `updateUrlHash` function here, because of\n // the default preferences generation (see `gulpfile.mjs`).\n // However, the following line is *only* used in development mode.\n document.URL.split(\"#\", 1)[0]\n : \"\",\n kind: OptionKind.API,\n },\n enableHWA: {\n /** @type {boolean} */\n value: typeof PDFJSDev !== \"undefined\" && !PDFJSDev.test(\"MOZCENTRAL\"),\n kind: OptionKind.API + OptionKind.VIEWER + OptionKind.PREFERENCE,\n },\n enableXfa: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.API + OptionKind.PREFERENCE,\n },\n fontExtraProperties: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.API,\n },\n iccUrl: {\n /** @type {string} */\n value:\n // eslint-disable-next-line no-nested-ternary\n typeof PDFJSDev === \"undefined\"\n ? \"../external/iccs/\"\n : PDFJSDev.test(\"MOZCENTRAL\")\n ? \"resource://pdf.js/web/iccs/\"\n : \"../web/iccs/\",\n kind: OptionKind.API,\n },\n isEvalSupported: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.API,\n },\n isOffscreenCanvasSupported: {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.API,\n },\n maxImageSize: {\n /** @type {number} */\n value: -1,\n kind: OptionKind.API,\n },\n pdfBug: {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.API,\n },\n standardFontDataUrl: {\n /** @type {string} */\n value:\n // eslint-disable-next-line no-nested-ternary\n typeof PDFJSDev === \"undefined\"\n ? \"../external/standard_fonts/\"\n : PDFJSDev.test(\"MOZCENTRAL\")\n ? \"resource://pdf.js/web/standard_fonts/\"\n : \"../web/standard_fonts/\",\n kind: OptionKind.API,\n },\n useSystemFonts: {\n // On Android, there is almost no chance to have the font we want so we\n // don't use the system fonts in this case (bug 1882613).\n /** @type {boolean|undefined} */\n value: (\n typeof PDFJSDev === \"undefined\"\n ? window.isGECKOVIEW\n : PDFJSDev.test(\"GECKOVIEW\")\n )\n ? false\n : undefined,\n kind: OptionKind.API,\n type: Type.BOOLEAN + Type.UNDEFINED,\n },\n verbosity: {\n /** @type {number} */\n value: 1,\n kind: OptionKind.API,\n },\n wasmUrl: {\n /** @type {string} */\n value:\n typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")\n ? \"resource://pdf.js/web/wasm/\"\n : \"../web/wasm/\",\n kind: OptionKind.API,\n },\n\n workerPort: {\n /** @type {Object} */\n value:\n typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")\n ? globalThis.pdfjsPreloadedWorker || null\n : null,\n kind: OptionKind.WORKER,\n },\n workerSrc: {\n /** @type {string} */\n value:\n // eslint-disable-next-line no-nested-ternary\n typeof PDFJSDev === \"undefined\"\n ? \"../src/pdf.worker.js\"\n : PDFJSDev.test(\"MOZCENTRAL\")\n ? \"resource://pdf.js/build/pdf.worker.mjs\"\n : \"../build/pdf.worker.mjs\",\n kind: OptionKind.WORKER,\n },\n};\nif (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"MOZCENTRAL\")) {\n defaultOptions.defaultUrl = {\n /** @type {string} */\n value:\n typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"CHROME\")\n ? \"\"\n : \"compressed.tracemonkey-pldi-09.pdf\",\n kind: OptionKind.VIEWER,\n };\n defaultOptions.sandboxBundleSrc = {\n /** @type {string} */\n value:\n typeof PDFJSDev === \"undefined\"\n ? \"../build/dev-sandbox/pdf.sandbox.mjs\"\n : \"../build/pdf.sandbox.mjs\",\n kind: OptionKind.VIEWER,\n };\n defaultOptions.enableFakeMLManager = {\n /** @type {boolean} */\n value: true,\n kind: OptionKind.VIEWER,\n };\n}\nif (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n defaultOptions.disablePreferences = {\n /** @type {boolean} */\n value: typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"TESTING\"),\n kind: OptionKind.VIEWER,\n };\n} else if (PDFJSDev.test(\"CHROME\")) {\n defaultOptions.disableTelemetry = {\n /** @type {boolean} */\n value: false,\n kind: OptionKind.VIEWER + OptionKind.PREFERENCE,\n };\n}\n\nif (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"TESTING || LIB\")) {\n // Ensure that the `defaultOptions` are correctly specified.\n for (const name in defaultOptions) {\n const { value, kind, type } = defaultOptions[name];\n\n if (kind & OptionKind.PREFERENCE) {\n if (kind === OptionKind.PREFERENCE) {\n throw new Error(`Cannot use only \"PREFERENCE\" kind: ${name}`);\n }\n if (kind & OptionKind.BROWSER) {\n throw new Error(`Cannot mix \"PREFERENCE\" and \"BROWSER\" kind: ${name}`);\n }\n if (type !== undefined) {\n throw new Error(\n `Cannot have \\`type\\`-field for \"PREFERENCE\" kind: ${name}`\n );\n }\n if (typeof compatParams === \"object\" && compatParams.has(name)) {\n throw new Error(\n `Should not have compatibility-value for \"PREFERENCE\" kind: ${name}`\n );\n }\n // Only \"simple\" preference-values are allowed.\n if (\n typeof value !== \"boolean\" &&\n typeof value !== \"string\" &&\n !Number.isInteger(value)\n ) {\n throw new Error(`Invalid value for \"PREFERENCE\" kind: ${name}`);\n }\n } else if (kind & OptionKind.BROWSER) {\n if (type !== undefined) {\n throw new Error(\n `Cannot have \\`type\\`-field for \"BROWSER\" kind: ${name}`\n );\n }\n if (typeof compatParams === \"object\" && compatParams.has(name)) {\n throw new Error(\n `Should not have compatibility-value for \"BROWSER\" kind: ${name}`\n );\n }\n if (value === undefined) {\n throw new Error(`Invalid value for \"BROWSER\" kind: ${name}`);\n }\n }\n }\n}\n\nclass AppOptions {\n static eventBus;\n\n static #opts = new Map();\n\n static {\n // Initialize all the user-options.\n for (const name in defaultOptions) {\n this.#opts.set(name, defaultOptions[name].value);\n }\n\n if (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n // Apply any compatibility-values to the user-options.\n for (const [name, value] of compatParams) {\n this.#opts.set(name, value);\n }\n this._hasInvokedSet = false;\n\n this._checkDisablePreferences = () => {\n if (this.get(\"disablePreferences\")) {\n // Give custom implementations of the default viewer a simpler way to\n // opt-out of having the `Preferences` override existing `AppOptions`.\n return true;\n }\n if (this._hasInvokedSet) {\n console.warn(\n \"The Preferences may override manually set AppOptions; \" +\n 'please use the \"disablePreferences\"-option to prevent that.'\n );\n }\n return false;\n };\n }\n }\n\n constructor() {\n if (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"TESTING\")) {\n throw new Error(\"Cannot initialize AppOptions.\");\n }\n }\n\n static get(name) {\n return this.#opts.get(name);\n }\n\n static getAll(kind = null, defaultOnly = false) {\n const options = Object.create(null);\n for (const name in defaultOptions) {\n const defaultOpt = defaultOptions[name];\n\n if (kind && !(kind & defaultOpt.kind)) {\n continue;\n }\n options[name] = !defaultOnly ? this.#opts.get(name) : defaultOpt.value;\n }\n return options;\n }\n\n static set(name, value) {\n this.setAll({ [name]: value });\n }\n\n static setAll(options, prefs = false) {\n if (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) {\n this._hasInvokedSet ||= true;\n }\n let events;\n\n for (const name in options) {\n const defaultOpt = defaultOptions[name],\n userOpt = options[name];\n\n if (\n !defaultOpt ||\n !(\n typeof userOpt === typeof defaultOpt.value ||\n Type[(typeof userOpt).toUpperCase()] & defaultOpt.type\n )\n ) {\n continue;\n }\n const { kind } = defaultOpt;\n\n if (\n prefs &&\n !(kind & OptionKind.BROWSER || kind & OptionKind.PREFERENCE)\n ) {\n continue;\n }\n if (this.eventBus && kind & OptionKind.EVENT_DISPATCH) {\n (events ||= new Map()).set(name, userOpt);\n }\n this.#opts.set(name, userOpt);\n }\n\n if (events) {\n for (const [name, value] of events) {\n this.eventBus.dispatch(name.toLowerCase(), { source: this, value });\n }\n }\n }\n}\n\nexport { AppOptions, OptionKind };\n","/* Copyright 2015 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/** @typedef {import(\"./event_utils\").EventBus} EventBus */\n/** @typedef {import(\"./interfaces\").IPDFLinkService} IPDFLinkService */\n\nimport { isValidExplicitDest } from \"pdfjs-lib\";\nimport { parseQueryString } from \"./ui_utils.js\";\n\nconst DEFAULT_LINK_REL = \"noopener noreferrer nofollow\";\n\nconst LinkTarget = {\n NONE: 0, // Default value.\n SELF: 1,\n BLANK: 2,\n PARENT: 3,\n TOP: 4,\n};\n\n/**\n * @typedef {Object} PDFLinkServiceOptions\n * @property {EventBus} eventBus - The application event bus.\n * @property {number} [externalLinkTarget] - Specifies the `target` attribute\n * for external links. Must use one of the values from {LinkTarget}.\n * Defaults to using no target.\n * @property {string} [externalLinkRel] - Specifies the `rel` attribute for\n * external links. Defaults to stripping the referrer.\n * @property {boolean} [ignoreDestinationZoom] - Ignores the zoom argument,\n * thus preserving the current zoom level in the viewer, when navigating\n * to internal destinations. The default value is `false`.\n */\n\n/**\n * Performs navigation functions inside PDF, such as opening specified page,\n * or destination.\n * @implements {IPDFLinkService}\n */\nclass PDFLinkService {\n externalLinkEnabled = true;\n\n /**\n * @param {PDFLinkServiceOptions} options\n */\n constructor({\n eventBus,\n externalLinkTarget = null,\n externalLinkRel = null,\n ignoreDestinationZoom = false,\n } = {}) {\n this.eventBus = eventBus;\n this.externalLinkTarget = externalLinkTarget;\n this.externalLinkRel = externalLinkRel;\n this._ignoreDestinationZoom = ignoreDestinationZoom;\n\n this.baseUrl = null;\n this.pdfDocument = null;\n this.pdfViewer = null;\n this.pdfHistory = null;\n }\n\n setDocument(pdfDocument, baseUrl = null) {\n this.baseUrl = baseUrl;\n this.pdfDocument = pdfDocument;\n }\n\n setViewer(pdfViewer) {\n this.pdfViewer = pdfViewer;\n }\n\n setHistory(pdfHistory) {\n this.pdfHistory = pdfHistory;\n }\n\n /**\n * @type {number}\n */\n get pagesCount() {\n return this.pdfDocument ? this.pdfDocument.numPages : 0;\n }\n\n /**\n * @type {number}\n */\n get page() {\n return this.pdfDocument ? this.pdfViewer.currentPageNumber : 1;\n }\n\n /**\n * @param {number} value\n */\n set page(value) {\n if (this.pdfDocument) {\n this.pdfViewer.currentPageNumber = value;\n }\n }\n\n /**\n * @type {number}\n */\n get rotation() {\n return this.pdfDocument ? this.pdfViewer.pagesRotation : 0;\n }\n\n /**\n * @param {number} value\n */\n set rotation(value) {\n if (this.pdfDocument) {\n this.pdfViewer.pagesRotation = value;\n }\n }\n\n /**\n * @type {boolean}\n */\n get isInPresentationMode() {\n return this.pdfDocument ? this.pdfViewer.isInPresentationMode : false;\n }\n\n /**\n * This method will, when available, also update the browser history.\n *\n * @param {string|Array} dest - The named, or explicit, PDF destination.\n */\n async goToDestination(dest) {\n if (!this.pdfDocument) {\n return;\n }\n let namedDest, explicitDest, pageNumber;\n if (typeof dest === \"string\") {\n namedDest = dest;\n explicitDest = await this.pdfDocument.getDestination(dest);\n } else {\n namedDest = null;\n explicitDest = await dest;\n }\n if (!Array.isArray(explicitDest)) {\n console.error(\n `goToDestination: \"${explicitDest}\" is not a valid destination array, for dest=\"${dest}\".`\n );\n return;\n }\n // Dest array looks like that: \n const [destRef] = explicitDest;\n\n if (destRef && typeof destRef === \"object\") {\n pageNumber = this.pdfDocument.cachedPageNumber(destRef);\n\n if (!pageNumber) {\n // Fetch the page reference if it's not yet available. This could\n // only occur during loading, before all pages have been resolved.\n try {\n pageNumber = (await this.pdfDocument.getPageIndex(destRef)) + 1;\n } catch {\n console.error(\n `goToDestination: \"${destRef}\" is not a valid page reference, for dest=\"${dest}\".`\n );\n return;\n }\n }\n } else if (Number.isInteger(destRef)) {\n pageNumber = destRef + 1;\n }\n if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {\n console.error(\n `goToDestination: \"${pageNumber}\" is not a valid page number, for dest=\"${dest}\".`\n );\n return;\n }\n\n if (this.pdfHistory) {\n // Update the browser history before scrolling the new destination into\n // view, to be able to accurately capture the current document position.\n this.pdfHistory.pushCurrentPosition();\n this.pdfHistory.push({ namedDest, explicitDest, pageNumber });\n }\n\n this.pdfViewer.scrollPageIntoView({\n pageNumber,\n destArray: explicitDest,\n ignoreDestinationZoom: this._ignoreDestinationZoom,\n });\n\n const ac = new AbortController();\n this.eventBus._on(\n \"textlayerrendered\",\n evt => {\n if (evt.pageNumber === pageNumber) {\n evt.source.textLayer.div.focus();\n ac.abort();\n }\n },\n { signal: ac.signal }\n );\n }\n\n /**\n * This method will, when available, also update the browser history.\n *\n * @param {number|string} val - The page number, or page label.\n */\n goToPage(val) {\n if (!this.pdfDocument) {\n return;\n }\n const pageNumber =\n (typeof val === \"string\" && this.pdfViewer.pageLabelToPageNumber(val)) ||\n val | 0;\n if (\n !(\n Number.isInteger(pageNumber) &&\n pageNumber > 0 &&\n pageNumber <= this.pagesCount\n )\n ) {\n console.error(`PDFLinkService.goToPage: \"${val}\" is not a valid page.`);\n return;\n }\n\n if (this.pdfHistory) {\n // Update the browser history before scrolling the new page into view,\n // to be able to accurately capture the current document position.\n this.pdfHistory.pushCurrentPosition();\n this.pdfHistory.pushPage(pageNumber);\n }\n\n this.pdfViewer.scrollPageIntoView({ pageNumber });\n }\n\n /**\n * Scrolls to a specific location in the PDF document.\n * @param {number} pageNumber - The page number to scroll to.\n * @param {number} x - The x-coordinate to scroll to in page coordinates.\n * @param {number} y - The y-coordinate to scroll to in page coordinates.\n * @param {Object} [options]\n */\n goToXY(pageNumber, x, y, options = {}) {\n this.pdfViewer.scrollPageIntoView({\n pageNumber,\n destArray: [null, { name: \"XYZ\" }, x, y],\n ignoreDestinationZoom: true,\n ...options,\n });\n }\n\n /**\n * Adds various attributes (href, title, target, rel) to hyperlinks.\n * @param {HTMLAnchorElement} link\n * @param {string} url\n * @param {boolean} [newWindow]\n */\n addLinkAttributes(link, url, newWindow = false) {\n if (!url || typeof url !== \"string\") {\n throw new Error('A valid \"url\" parameter must provided.');\n }\n const target = newWindow ? LinkTarget.BLANK : this.externalLinkTarget,\n rel = this.externalLinkRel;\n\n if (this.externalLinkEnabled) {\n link.href = link.title = url;\n } else {\n link.href = \"\";\n link.title = `Disabled: ${url}`;\n link.onclick = () => false;\n }\n\n let targetStr = \"\"; // LinkTarget.NONE\n switch (target) {\n case LinkTarget.NONE:\n break;\n case LinkTarget.SELF:\n targetStr = \"_self\";\n break;\n case LinkTarget.BLANK:\n targetStr = \"_blank\";\n break;\n case LinkTarget.PARENT:\n targetStr = \"_parent\";\n break;\n case LinkTarget.TOP:\n targetStr = \"_top\";\n break;\n }\n link.target = targetStr;\n\n link.rel = typeof rel === \"string\" ? rel : DEFAULT_LINK_REL;\n }\n\n /**\n * @param {string|Array} dest - The PDF destination object.\n * @returns {string} The hyperlink to the PDF object.\n */\n getDestinationHash(dest) {\n if (typeof dest === \"string\") {\n if (dest.length > 0) {\n return this.getAnchorUrl(\"#\" + escape(dest));\n }\n } else if (Array.isArray(dest)) {\n const str = JSON.stringify(dest);\n if (str.length > 0) {\n return this.getAnchorUrl(\"#\" + escape(str));\n }\n }\n return this.getAnchorUrl(\"\");\n }\n\n /**\n * Prefix the full url on anchor links to make sure that links are resolved\n * relative to the current URL instead of the one defined in .\n * @param {string} anchor - The anchor hash, including the #.\n * @returns {string} The hyperlink to the PDF object.\n */\n getAnchorUrl(anchor) {\n return this.baseUrl ? this.baseUrl + anchor : anchor;\n }\n\n /**\n * @param {string} hash\n */\n setHash(hash) {\n if (!this.pdfDocument) {\n return;\n }\n let pageNumber, dest;\n if (hash.includes(\"=\")) {\n const params = parseQueryString(hash);\n if (params.has(\"search\")) {\n const query = params.get(\"search\").replaceAll('\"', \"\"),\n phrase = params.get(\"phrase\") === \"true\";\n\n this.eventBus.dispatch(\"findfromurlhash\", {\n source: this,\n query: phrase ? query : query.match(/\\S+/g),\n });\n }\n // borrowing syntax from \"Parameters for Opening PDF Files\"\n if (params.has(\"page\")) {\n pageNumber = params.get(\"page\") | 0 || 1;\n }\n if (params.has(\"zoom\")) {\n // Build the destination array.\n const zoomArgs = params.get(\"zoom\").split(\",\"); // scale,left,top\n const zoomArg = zoomArgs[0];\n const zoomArgNumber = parseFloat(zoomArg);\n\n if (!zoomArg.includes(\"Fit\")) {\n // If the zoomArg is a number, it has to get divided by 100. If it's\n // a string, it should stay as it is.\n dest = [\n null,\n { name: \"XYZ\" },\n zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,\n zoomArgs.length > 2 ? zoomArgs[2] | 0 : null,\n zoomArgNumber ? zoomArgNumber / 100 : zoomArg,\n ];\n } else if (zoomArg === \"Fit\" || zoomArg === \"FitB\") {\n dest = [null, { name: zoomArg }];\n } else if (\n zoomArg === \"FitH\" ||\n zoomArg === \"FitBH\" ||\n zoomArg === \"FitV\" ||\n zoomArg === \"FitBV\"\n ) {\n dest = [\n null,\n { name: zoomArg },\n zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,\n ];\n } else if (zoomArg === \"FitR\") {\n if (zoomArgs.length !== 5) {\n console.error(\n 'PDFLinkService.setHash: Not enough parameters for \"FitR\".'\n );\n } else {\n dest = [\n null,\n { name: zoomArg },\n zoomArgs[1] | 0,\n zoomArgs[2] | 0,\n zoomArgs[3] | 0,\n zoomArgs[4] | 0,\n ];\n }\n } else {\n console.error(\n `PDFLinkService.setHash: \"${zoomArg}\" is not a valid zoom value.`\n );\n }\n }\n if (dest) {\n this.pdfViewer.scrollPageIntoView({\n pageNumber: pageNumber || this.page,\n destArray: dest,\n allowNegativeOffset: true,\n });\n } else if (pageNumber) {\n this.page = pageNumber; // simple page\n }\n if (params.has(\"pagemode\")) {\n this.eventBus.dispatch(\"pagemode\", {\n source: this,\n mode: params.get(\"pagemode\"),\n });\n }\n // Ensure that this parameter is *always* handled last, in order to\n // guarantee that it won't be overridden (e.g. by the \"page\" parameter).\n if (params.has(\"nameddest\")) {\n this.goToDestination(params.get(\"nameddest\"));\n }\n\n if (typeof PDFJSDev === \"undefined\" || !PDFJSDev.test(\"MOZCENTRAL\")) {\n return;\n }\n // Support opening of PDF attachments in the Firefox PDF Viewer,\n // which uses a couple of non-standard hash parameters; refer to\n // `DownloadManager.openOrDownloadData` in the firefoxcom.js file.\n if (!params.has(\"filename\") || !params.has(\"filedest\")) {\n return;\n }\n hash = params.get(\"filedest\");\n }\n\n // Named (or explicit) destination.\n dest = unescape(hash);\n try {\n dest = JSON.parse(dest);\n\n if (!Array.isArray(dest)) {\n // Avoid incorrectly rejecting a valid named destination, such as\n // e.g. \"4.3\" or \"true\", because `JSON.parse` converted its type.\n dest = dest.toString();\n }\n } catch {}\n\n if (typeof dest === \"string\" || isValidExplicitDest(dest)) {\n this.goToDestination(dest);\n return;\n }\n console.error(\n `PDFLinkService.setHash: \"${unescape(hash)}\" is not a valid destination.`\n );\n }\n\n /**\n * @param {string} action\n */\n executeNamedAction(action) {\n if (!this.pdfDocument) {\n return;\n }\n // See PDF reference, table 8.45 - Named action\n switch (action) {\n case \"GoBack\":\n this.pdfHistory?.back();\n break;\n\n case \"GoForward\":\n this.pdfHistory?.forward();\n break;\n\n case \"NextPage\":\n this.pdfViewer.nextPage();\n break;\n\n case \"PrevPage\":\n this.pdfViewer.previousPage();\n break;\n\n case \"LastPage\":\n this.page = this.pagesCount;\n break;\n\n case \"FirstPage\":\n this.page = 1;\n break;\n\n default:\n break; // No action according to spec\n }\n\n this.eventBus.dispatch(\"namedaction\", {\n source: this,\n action,\n });\n }\n\n /**\n * @param {Object} action\n */\n async executeSetOCGState(action) {\n if (!this.pdfDocument) {\n return;\n }\n const pdfDocument = this.pdfDocument,\n optionalContentConfig = await this.pdfViewer.optionalContentConfigPromise;\n\n if (pdfDocument !== this.pdfDocument) {\n return; // The document was closed while the optional content resolved.\n }\n optionalContentConfig.setOCGState(action);\n\n this.pdfViewer.optionalContentConfigPromise = Promise.resolve(\n optionalContentConfig\n );\n }\n}\n\n/**\n * @implements {IPDFLinkService}\n */\nclass SimpleLinkService extends PDFLinkService {\n setDocument(pdfDocument, baseUrl = null) {}\n}\n\nexport { LinkTarget, PDFLinkService, SimpleLinkService };\n","/* Copyright 2012 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nconst WaitOnType = {\n EVENT: \"event\",\n TIMEOUT: \"timeout\",\n};\n\n/**\n * @typedef {Object} WaitOnEventOrTimeoutParameters\n * @property {Object} target - The event target, can for example be:\n * `window`, `document`, a DOM element, or an {EventBus} instance.\n * @property {string} name - The name of the event.\n * @property {number} delay - The delay, in milliseconds, after which the\n * timeout occurs (if the event wasn't already dispatched).\n */\n\n/**\n * Allows waiting for an event or a timeout, whichever occurs first.\n * Can be used to ensure that an action always occurs, even when an event\n * arrives late or not at all.\n *\n * @param {WaitOnEventOrTimeoutParameters}\n * @returns {Promise} A promise that is resolved with a {WaitOnType} value.\n */\nasync function waitOnEventOrTimeout({ target, name, delay = 0 }) {\n if (\n typeof target !== \"object\" ||\n !(name && typeof name === \"string\") ||\n !(Number.isInteger(delay) && delay >= 0)\n ) {\n throw new Error(\"waitOnEventOrTimeout - invalid parameters.\");\n }\n const { promise, resolve } = Promise.withResolvers();\n const ac = new AbortController();\n\n function handler(type) {\n ac.abort(); // Remove event listener.\n clearTimeout(timeout);\n\n resolve(type);\n }\n\n const evtMethod = target instanceof EventBus ? \"_on\" : \"addEventListener\";\n target[evtMethod](name, handler.bind(null, WaitOnType.EVENT), {\n signal: ac.signal,\n });\n\n const timeout = setTimeout(handler.bind(null, WaitOnType.TIMEOUT), delay);\n\n return promise;\n}\n\n/**\n * Simple event bus for an application. Listeners are attached using the `on`\n * and `off` methods. To raise an event, the `dispatch` method shall be used.\n */\nclass EventBus {\n #listeners = Object.create(null);\n\n /**\n * @param {string} eventName\n * @param {function} listener\n * @param {Object} [options]\n */\n on(eventName, listener, options = null) {\n this._on(eventName, listener, {\n external: true,\n once: options?.once,\n signal: options?.signal,\n });\n }\n\n /**\n * @param {string} eventName\n * @param {function} listener\n * @param {Object} [options]\n */\n off(eventName, listener, options = null) {\n this._off(eventName, listener);\n }\n\n /**\n * @param {string} eventName\n * @param {Object} data\n */\n dispatch(eventName, data) {\n const eventListeners = this.#listeners[eventName];\n if (!eventListeners || eventListeners.length === 0) {\n return;\n }\n let externalListeners;\n // Making copy of the listeners array in case if it will be modified\n // during dispatch.\n for (const { listener, external, once } of eventListeners.slice(0)) {\n if (once) {\n this._off(eventName, listener);\n }\n if (external) {\n (externalListeners ||= []).push(listener);\n continue;\n }\n listener(data);\n }\n // Dispatch any \"external\" listeners *after* the internal ones, to give the\n // viewer components time to handle events and update their state first.\n if (externalListeners) {\n for (const listener of externalListeners) {\n listener(data);\n }\n externalListeners = null;\n }\n }\n\n /**\n * @ignore\n */\n _on(eventName, listener, options = null) {\n let rmAbort = null;\n if (options?.signal instanceof AbortSignal) {\n const { signal } = options;\n if (signal.aborted) {\n console.error(\"Cannot use an `aborted` signal.\");\n return;\n }\n const onAbort = () => this._off(eventName, listener);\n rmAbort = () => signal.removeEventListener(\"abort\", onAbort);\n\n signal.addEventListener(\"abort\", onAbort);\n }\n\n const eventListeners = (this.#listeners[eventName] ||= []);\n eventListeners.push({\n listener,\n external: options?.external === true,\n once: options?.once === true,\n rmAbort,\n });\n }\n\n /**\n * @ignore\n */\n _off(eventName, listener, options = null) {\n const eventListeners = this.#listeners[eventName];\n if (!eventListeners) {\n return;\n }\n for (let i = 0, ii = eventListeners.length; i < ii; i++) {\n const evt = eventListeners[i];\n if (evt.listener === listener) {\n evt.rmAbort?.(); // Ensure that the `AbortSignal` listener is removed.\n eventListeners.splice(i, 1);\n return;\n }\n }\n }\n}\n\n/**\n * NOTE: Only used in the Firefox built-in pdf viewer.\n */\nclass FirefoxEventBus extends EventBus {\n #externalServices;\n\n #globalEventNames;\n\n #isInAutomation;\n\n constructor(globalEventNames, externalServices, isInAutomation) {\n super();\n this.#globalEventNames = globalEventNames;\n this.#externalServices = externalServices;\n this.#isInAutomation = isInAutomation;\n }\n\n dispatch(eventName, data) {\n if (typeof PDFJSDev !== \"undefined\" && !PDFJSDev.test(\"MOZCENTRAL\")) {\n throw new Error(\"Not implemented: FirefoxEventBus.dispatch\");\n }\n super.dispatch(eventName, data);\n\n if (this.#isInAutomation) {\n const detail = Object.create(null);\n if (data) {\n for (const key in data) {\n const value = data[key];\n if (key === \"source\") {\n if (value === window || value === document) {\n return; // No need to re-dispatch (already) global events.\n }\n continue; // Ignore the `source` property.\n }\n detail[key] = value;\n }\n }\n const event = new CustomEvent(eventName, {\n bubbles: true,\n cancelable: true,\n detail,\n });\n document.dispatchEvent(event);\n }\n\n if (this.#globalEventNames?.has(eventName)) {\n this.#externalServices.dispatchGlobalEvent({\n eventName,\n detail: data,\n });\n }\n }\n}\n\nexport { EventBus, FirefoxEventBus, waitOnEventOrTimeout, WaitOnType };\n","/* Copyright 2024 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/** @typedef {import(\"./interfaces.js\").IL10n} IL10n */\n\nclass BaseExternalServices {\n constructor() {\n if (\n (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"TESTING\")) &&\n this.constructor === BaseExternalServices\n ) {\n throw new Error(\"Cannot initialize BaseExternalServices.\");\n }\n }\n\n updateFindControlState(data) {}\n\n updateFindMatchesCount(data) {}\n\n initPassiveLoading() {}\n\n reportTelemetry(data) {}\n\n /**\n * @returns {Promise}\n */\n async createL10n() {\n throw new Error(\"Not implemented: createL10n\");\n }\n\n createScripting() {\n throw new Error(\"Not implemented: createScripting\");\n }\n\n createSignatureStorage() {\n throw new Error(\"Not implemented: createSignatureStorage\");\n }\n\n updateEditorStates(data) {\n throw new Error(\"Not implemented: updateEditorStates\");\n }\n\n dispatchGlobalEvent(_event) {}\n}\n\nexport { BaseExternalServices };\n","/* Copyright 2013 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { AppOptions, OptionKind } from \"./app_options.js\";\n\n/**\n * BasePreferences - Abstract base class for storing persistent settings.\n * Used for settings that should be applied to all opened documents,\n * or every time the viewer is loaded.\n */\nclass BasePreferences {\n #defaults = Object.freeze(\n typeof PDFJSDev === \"undefined\"\n ? AppOptions.getAll(OptionKind.PREFERENCE, /* defaultOnly = */ true)\n : PDFJSDev.eval(\"DEFAULT_PREFERENCES\")\n );\n\n #initializedPromise = null;\n\n constructor() {\n if (\n (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"TESTING\")) &&\n this.constructor === BasePreferences\n ) {\n throw new Error(\"Cannot initialize BasePreferences.\");\n }\n\n if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"CHROME\")) {\n Object.defineProperty(this, \"defaults\", {\n get() {\n return this.#defaults;\n },\n });\n }\n\n this.#initializedPromise = this._readFromStorage(this.#defaults).then(\n ({ browserPrefs, prefs }) => {\n if (\n (typeof PDFJSDev === \"undefined\" || PDFJSDev.test(\"GENERIC\")) &&\n AppOptions._checkDisablePreferences()\n ) {\n return;\n }\n AppOptions.setAll({ ...browserPrefs, ...prefs }, /* prefs = */ true);\n }\n );\n\n if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n window.addEventListener(\n \"updatedPreference\",\n async ({ detail: { name, value } }) => {\n await this.#initializedPromise;\n AppOptions.setAll({ [name]: value }, /* prefs = */ true);\n }\n );\n }\n }\n\n /**\n * Stub function for writing preferences to storage.\n * @param {Object} prefObj The preferences that should be written to storage.\n * @returns {Promise} A promise that is resolved when the preference values\n * have been written.\n */\n async _writeToStorage(prefObj) {\n throw new Error(\"Not implemented: _writeToStorage\");\n }\n\n /**\n * Stub function for reading preferences from storage.\n * @param {Object} prefObj The preferences that should be read from storage.\n * @returns {Promise} A promise that is resolved with an {Object} containing\n * the preferences that have been read.\n */\n async _readFromStorage(prefObj) {\n throw new Error(\"Not implemented: _readFromStorage\");\n }\n\n /**\n * Reset the preferences to their default values and update storage.\n * @returns {Promise} A promise that is resolved when the preference values\n * have been reset.\n */\n async reset() {\n if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n throw new Error(\"Please use `about:config` to change preferences.\");\n }\n await this.#initializedPromise;\n AppOptions.setAll(this.#defaults, /* prefs = */ true);\n\n await this._writeToStorage(this.#defaults);\n }\n\n /**\n * Set the value of a preference.\n * @param {string} name The name of the preference that should be changed.\n * @param {boolean|number|string} value The new value of the preference.\n * @returns {Promise} A promise that is resolved when the value has been set,\n * provided that the preference exists and the types match.\n */\n async set(name, value) {\n await this.#initializedPromise;\n AppOptions.setAll({ [name]: value }, /* prefs = */ true);\n\n await this._writeToStorage(\n typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")\n ? { [name]: AppOptions.get(name) }\n : AppOptions.getAll(OptionKind.PREFERENCE)\n );\n }\n\n /**\n * Get the value of a preference.\n * @param {string} name The name of the preference whose value is requested.\n * @returns {Promise} A promise resolved with a {boolean|number|string}\n * containing the value of the preference.\n */\n async get(name) {\n if (typeof PDFJSDev !== \"undefined\" && PDFJSDev.test(\"MOZCENTRAL\")) {\n throw new Error(\"Not implemented: get\");\n }\n await this.#initializedPromise;\n return AppOptions.get(name);\n }\n\n get initializedPromise() {\n return this.#initializedPromise;\n }\n}\n\nexport { BasePreferences };\n","/**\n * The `FluentType` class is the base of Fluent's type system.\n *\n * Fluent types wrap JavaScript values and store additional configuration for\n * them, which can then be used in the `toString` method together with a proper\n * `Intl` formatter.\n */\nexport class FluentType {\n /**\n * Create a `FluentType` instance.\n *\n * @param value The JavaScript value to wrap.\n */\n constructor(value) {\n this.value = value;\n }\n /**\n * Unwrap the raw value stored by this `FluentType`.\n */\n valueOf() {\n return this.value;\n }\n}\n/**\n * A {@link FluentType} representing no correct value.\n */\nexport class FluentNone extends FluentType {\n /**\n * Create an instance of `FluentNone` with an optional fallback value.\n * @param value The fallback value of this `FluentNone`.\n */\n constructor(value = \"???\") {\n super(value);\n }\n /**\n * Format this `FluentNone` to the fallback string.\n */\n toString(scope) {\n return `{${this.value}}`;\n }\n}\n/**\n * A {@link FluentType} representing a number.\n *\n * A `FluentNumber` instance stores the number value of the number it\n * represents. It may also store an option bag of options which will be passed\n * to `Intl.NumerFormat` when the `FluentNumber` is formatted to a string.\n */\nexport class FluentNumber extends FluentType {\n /**\n * Create an instance of `FluentNumber` with options to the\n * `Intl.NumberFormat` constructor.\n *\n * @param value The number value of this `FluentNumber`.\n * @param opts Options which will be passed to `Intl.NumberFormat`.\n */\n constructor(value, opts = {}) {\n super(value);\n this.opts = opts;\n }\n /**\n * Format this `FluentNumber` to a string.\n */\n toString(scope) {\n if (scope) {\n try {\n const nf = scope.memoizeIntlObject(Intl.NumberFormat, this.opts);\n return nf.format(this.value);\n }\n catch (err) {\n scope.reportError(err);\n }\n }\n return this.value.toString(10);\n }\n}\n/**\n * A {@link FluentType} representing a date and time.\n *\n * A `FluentDateTime` instance stores a Date object, Temporal object, or a number\n * as a numerical timestamp in milliseconds. It may also store an\n * option bag of options which will be passed to `Intl.DateTimeFormat` when the\n * `FluentDateTime` is formatted to a string.\n */\nexport class FluentDateTime extends FluentType {\n static supportsValue(value) {\n if (typeof value === \"number\")\n return true;\n if (value instanceof Date)\n return true;\n if (value instanceof FluentType)\n return FluentDateTime.supportsValue(value.valueOf());\n // Temporary workaround to support environments without Temporal\n if (\"Temporal\" in globalThis) {\n // for TypeScript, which doesn't know about Temporal yet\n const _Temporal = globalThis.Temporal;\n if (value instanceof _Temporal.Instant ||\n value instanceof _Temporal.PlainDateTime ||\n value instanceof _Temporal.PlainDate ||\n value instanceof _Temporal.PlainMonthDay ||\n value instanceof _Temporal.PlainTime ||\n value instanceof _Temporal.PlainYearMonth) {\n return true;\n }\n }\n return false;\n }\n /**\n * Create an instance of `FluentDateTime` with options to the\n * `Intl.DateTimeFormat` constructor.\n *\n * @param value The number value of this `FluentDateTime`, in milliseconds.\n * @param opts Options which will be passed to `Intl.DateTimeFormat`.\n */\n constructor(value, opts = {}) {\n // unwrap any FluentType value, but only retain the opts from FluentDateTime\n if (value instanceof FluentDateTime) {\n opts = { ...value.opts, ...opts };\n value = value.value;\n }\n else if (value instanceof FluentType) {\n value = value.valueOf();\n }\n // Intl.DateTimeFormat defaults to gregorian calendar, but Temporal defaults to iso8601\n if (typeof value === \"object\" &&\n \"calendarId\" in value &&\n opts.calendar === undefined) {\n opts = { ...opts, calendar: value.calendarId };\n }\n super(value);\n this.opts = opts;\n }\n [Symbol.toPrimitive](hint) {\n return hint === \"string\" ? this.toString() : this.toNumber();\n }\n /**\n * Convert this `FluentDateTime` to a number.\n * Note that this isn't always possible due to the nature of Temporal objects.\n * In such cases, a TypeError will be thrown.\n */\n toNumber() {\n const value = this.value;\n if (typeof value === \"number\")\n return value;\n if (value instanceof Date)\n return value.getTime();\n if (\"epochMilliseconds\" in value) {\n return value.epochMilliseconds;\n }\n if (\"toZonedDateTime\" in value) {\n return value.toZonedDateTime(\"UTC\").epochMilliseconds;\n }\n throw new TypeError(\"Unwrapping a non-number value as a number\");\n }\n /**\n * Format this `FluentDateTime` to a string.\n */\n toString(scope) {\n if (scope) {\n try {\n const dtf = scope.memoizeIntlObject(Intl.DateTimeFormat, this.opts);\n return dtf.format(this.value);\n }\n catch (err) {\n scope.reportError(err);\n }\n }\n if (typeof this.value === \"number\" || this.value instanceof Date) {\n return new Date(this.value).toISOString();\n }\n return this.value.toString();\n }\n}\n","/**\n * The role of the Fluent resolver is to format a `Pattern` to an instance of\n * `FluentValue`. For performance reasons, primitive strings are considered\n * such instances, too.\n *\n * Translations can contain references to other messages or variables,\n * conditional logic in form of select expressions, traits which describe their\n * grammatical features, and can use Fluent builtins which make use of the\n * `Intl` formatters to format numbers and dates into the bundle's languages.\n * See the documentation of the Fluent syntax for more information.\n *\n * In case of errors the resolver will try to salvage as much of the\n * translation as possible. In rare situations where the resolver didn't know\n * how to recover from an error it will return an instance of `FluentNone`.\n *\n * All expressions resolve to an instance of `FluentValue`. The caller should\n * use the `toString` method to convert the instance to a native value.\n *\n * Functions in this file pass around an instance of the `Scope` class, which\n * stores the data required for successful resolution and error recovery.\n */\nimport { FluentType, FluentNone, FluentNumber, FluentDateTime, } from \"./types.js\";\n/**\n * The maximum number of placeables which can be expanded in a single call to\n * `formatPattern`. The limit protects against the Billion Laughs and Quadratic\n * Blowup attacks. See https://msdn.microsoft.com/en-us/magazine/ee335713.aspx.\n */\nconst MAX_PLACEABLES = 100;\n/** Unicode bidi isolation characters. */\nconst FSI = \"\\u2068\";\nconst PDI = \"\\u2069\";\n/** Helper: match a variant key to the given selector. */\nfunction match(scope, selector, key) {\n if (key === selector) {\n // Both are strings.\n return true;\n }\n // XXX Consider comparing options too, e.g. minimumFractionDigits.\n if (key instanceof FluentNumber &&\n selector instanceof FluentNumber &&\n key.value === selector.value) {\n return true;\n }\n if (selector instanceof FluentNumber && typeof key === \"string\") {\n let category = scope\n .memoizeIntlObject(Intl.PluralRules, selector.opts)\n .select(selector.value);\n if (key === category) {\n return true;\n }\n }\n return false;\n}\n/** Helper: resolve the default variant from a list of variants. */\nfunction getDefault(scope, variants, star) {\n if (variants[star]) {\n return resolvePattern(scope, variants[star].value);\n }\n scope.reportError(new RangeError(\"No default\"));\n return new FluentNone();\n}\n/** Helper: resolve arguments to a call expression. */\nfunction getArguments(scope, args) {\n const positional = [];\n const named = Object.create(null);\n for (const arg of args) {\n if (arg.type === \"narg\") {\n named[arg.name] = resolveExpression(scope, arg.value);\n }\n else {\n positional.push(resolveExpression(scope, arg));\n }\n }\n return { positional, named };\n}\n/** Resolve an expression to a Fluent type. */\nfunction resolveExpression(scope, expr) {\n switch (expr.type) {\n case \"str\":\n return expr.value;\n case \"num\":\n return new FluentNumber(expr.value, {\n minimumFractionDigits: expr.precision,\n });\n case \"var\":\n return resolveVariableReference(scope, expr);\n case \"mesg\":\n return resolveMessageReference(scope, expr);\n case \"term\":\n return resolveTermReference(scope, expr);\n case \"func\":\n return resolveFunctionReference(scope, expr);\n case \"select\":\n return resolveSelectExpression(scope, expr);\n default:\n return new FluentNone();\n }\n}\n/** Resolve a reference to a variable. */\nfunction resolveVariableReference(scope, { name }) {\n let arg;\n if (scope.params) {\n // We're inside a TermReference. It's OK to reference undefined parameters.\n if (Object.prototype.hasOwnProperty.call(scope.params, name)) {\n arg = scope.params[name];\n }\n else {\n return new FluentNone(`$${name}`);\n }\n }\n else if (scope.args &&\n Object.prototype.hasOwnProperty.call(scope.args, name)) {\n // We're in the top-level Pattern or inside a MessageReference. Missing\n // variables references produce ReferenceErrors.\n arg = scope.args[name];\n }\n else {\n scope.reportError(new ReferenceError(`Unknown variable: $${name}`));\n return new FluentNone(`$${name}`);\n }\n // Return early if the argument already is an instance of FluentType.\n if (arg instanceof FluentType) {\n return arg;\n }\n // Convert the argument to a Fluent type.\n switch (typeof arg) {\n case \"string\":\n return arg;\n case \"number\":\n return new FluentNumber(arg);\n case \"object\":\n if (FluentDateTime.supportsValue(arg)) {\n return new FluentDateTime(arg);\n }\n // eslint-disable-next-line no-fallthrough\n default:\n scope.reportError(new TypeError(`Variable type not supported: $${name}, ${typeof arg}`));\n return new FluentNone(`$${name}`);\n }\n}\n/** Resolve a reference to another message. */\nfunction resolveMessageReference(scope, { name, attr }) {\n const message = scope.bundle._messages.get(name);\n if (!message) {\n scope.reportError(new ReferenceError(`Unknown message: ${name}`));\n return new FluentNone(name);\n }\n if (attr) {\n const attribute = message.attributes[attr];\n if (attribute) {\n return resolvePattern(scope, attribute);\n }\n scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));\n return new FluentNone(`${name}.${attr}`);\n }\n if (message.value) {\n return resolvePattern(scope, message.value);\n }\n scope.reportError(new ReferenceError(`No value: ${name}`));\n return new FluentNone(name);\n}\n/** Resolve a call to a Term with key-value arguments. */\nfunction resolveTermReference(scope, { name, attr, args }) {\n const id = `-${name}`;\n const term = scope.bundle._terms.get(id);\n if (!term) {\n scope.reportError(new ReferenceError(`Unknown term: ${id}`));\n return new FluentNone(id);\n }\n if (attr) {\n const attribute = term.attributes[attr];\n if (attribute) {\n // Every TermReference has its own variables.\n scope.params = getArguments(scope, args).named;\n const resolved = resolvePattern(scope, attribute);\n scope.params = null;\n return resolved;\n }\n scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));\n return new FluentNone(`${id}.${attr}`);\n }\n scope.params = getArguments(scope, args).named;\n const resolved = resolvePattern(scope, term.value);\n scope.params = null;\n return resolved;\n}\n/** Resolve a call to a Function with positional and key-value arguments. */\nfunction resolveFunctionReference(scope, { name, args }) {\n // Some functions are built-in. Others may be provided by the runtime via\n // the `FluentBundle` constructor.\n let func = scope.bundle._functions[name];\n if (!func) {\n scope.reportError(new ReferenceError(`Unknown function: ${name}()`));\n return new FluentNone(`${name}()`);\n }\n if (typeof func !== \"function\") {\n scope.reportError(new TypeError(`Function ${name}() is not callable`));\n return new FluentNone(`${name}()`);\n }\n try {\n let resolved = getArguments(scope, args);\n return func(resolved.positional, resolved.named);\n }\n catch (err) {\n scope.reportError(err);\n return new FluentNone(`${name}()`);\n }\n}\n/** Resolve a select expression to the member object. */\nfunction resolveSelectExpression(scope, { selector, variants, star }) {\n let sel = resolveExpression(scope, selector);\n if (sel instanceof FluentNone) {\n return getDefault(scope, variants, star);\n }\n // Match the selector against keys of each variant, in order.\n for (const variant of variants) {\n const key = resolveExpression(scope, variant.key);\n if (match(scope, sel, key)) {\n return resolvePattern(scope, variant.value);\n }\n }\n return getDefault(scope, variants, star);\n}\n/** Resolve a pattern (a complex string with placeables). */\nexport function resolveComplexPattern(scope, ptn) {\n if (scope.dirty.has(ptn)) {\n scope.reportError(new RangeError(\"Cyclic reference\"));\n return new FluentNone();\n }\n // Tag the pattern as dirty for the purpose of the current resolution.\n scope.dirty.add(ptn);\n const result = [];\n // Wrap interpolations with Directional Isolate Formatting characters\n // only when the pattern has more than one element.\n const useIsolating = scope.bundle._useIsolating && ptn.length > 1;\n for (const elem of ptn) {\n if (typeof elem === \"string\") {\n result.push(scope.bundle._transform(elem));\n continue;\n }\n scope.placeables++;\n if (scope.placeables > MAX_PLACEABLES) {\n scope.dirty.delete(ptn);\n // This is a fatal error which causes the resolver to instantly bail out\n // on this pattern. The length check protects against excessive memory\n // usage, and throwing protects against eating up the CPU when long\n // placeables are deeply nested.\n throw new RangeError(`Too many placeables expanded: ${scope.placeables}, ` +\n `max allowed is ${MAX_PLACEABLES}`);\n }\n if (useIsolating) {\n result.push(FSI);\n }\n result.push(resolveExpression(scope, elem).toString(scope));\n if (useIsolating) {\n result.push(PDI);\n }\n }\n scope.dirty.delete(ptn);\n return result.join(\"\");\n}\n/**\n * Resolve a simple or a complex Pattern to a FluentString\n * (which is really the string primitive).\n */\nfunction resolvePattern(scope, value) {\n // Resolve a simple pattern.\n if (typeof value === \"string\") {\n return scope.bundle._transform(value);\n }\n return resolveComplexPattern(scope, value);\n}\n","export class Scope {\n constructor(bundle, errors, args) {\n /**\n * The Set of patterns already encountered during this resolution.\n * Used to detect and prevent cyclic resolutions.\n * @ignore\n */\n this.dirty = new WeakSet();\n /** A dict of parameters passed to a TermReference. */\n this.params = null;\n /**\n * The running count of placeables resolved so far.\n * Used to detect the Billion Laughs and Quadratic Blowup attacks.\n * @ignore\n */\n this.placeables = 0;\n this.bundle = bundle;\n this.errors = errors;\n this.args = args;\n }\n reportError(error) {\n if (!this.errors || !(error instanceof Error)) {\n throw error;\n }\n this.errors.push(error);\n }\n memoizeIntlObject(ctor, opts) {\n let cache = this.bundle._intls.get(ctor);\n if (!cache) {\n cache = {};\n this.bundle._intls.set(ctor, cache);\n }\n let id = JSON.stringify(opts);\n if (!cache[id]) {\n // @ts-expect-error This is fine.\n // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment\n cache[id] = new ctor(this.bundle.locales, opts);\n }\n return cache[id];\n }\n}\n","/**\n * @overview\n *\n * The FTL resolver ships with a number of functions built-in.\n *\n * Each function take two arguments:\n * - args - an array of positional args\n * - opts - an object of key-value args\n *\n * Arguments to functions are guaranteed to already be instances of\n * `FluentValue`. Functions must return `FluentValues` as well.\n */\nimport { FluentNone, FluentNumber, FluentDateTime, } from \"./types.js\";\nfunction values(opts, allowed) {\n const unwrapped = Object.create(null);\n for (const [name, opt] of Object.entries(opts)) {\n if (allowed.includes(name)) {\n unwrapped[name] = opt.valueOf();\n }\n }\n return unwrapped;\n}\nconst NUMBER_ALLOWED = [\n \"unitDisplay\",\n \"currencyDisplay\",\n \"useGrouping\",\n \"minimumIntegerDigits\",\n \"minimumFractionDigits\",\n \"maximumFractionDigits\",\n \"minimumSignificantDigits\",\n \"maximumSignificantDigits\",\n];\n/**\n * The implementation of the `NUMBER()` builtin available to translations.\n *\n * Translations may call the `NUMBER()` builtin in order to specify formatting\n * options of a number. For example:\n *\n * pi = The value of π is {NUMBER($pi, maximumFractionDigits: 2)}.\n *\n * The implementation expects an array of {@link FluentValue | FluentValues} representing the\n * positional arguments, and an object of named {@link FluentValue | FluentValues} representing the\n * named parameters.\n *\n * The following options are recognized:\n *\n * unitDisplay\n * currencyDisplay\n * useGrouping\n * minimumIntegerDigits\n * minimumFractionDigits\n * maximumFractionDigits\n * minimumSignificantDigits\n * maximumSignificantDigits\n *\n * Other options are ignored.\n *\n * @param args The positional arguments passed to this `NUMBER()`.\n * @param opts The named argments passed to this `NUMBER()`.\n */\nexport function NUMBER(args, opts) {\n let arg = args[0];\n if (arg instanceof FluentNone) {\n return new FluentNone(`NUMBER(${arg.valueOf()})`);\n }\n if (arg instanceof FluentNumber) {\n return new FluentNumber(arg.valueOf(), {\n ...arg.opts,\n ...values(opts, NUMBER_ALLOWED),\n });\n }\n if (arg instanceof FluentDateTime) {\n return new FluentNumber(arg.toNumber(), {\n ...values(opts, NUMBER_ALLOWED),\n });\n }\n throw new TypeError(\"Invalid argument to NUMBER\");\n}\nconst DATETIME_ALLOWED = [\n \"dateStyle\",\n \"timeStyle\",\n \"fractionalSecondDigits\",\n \"dayPeriod\",\n \"hour12\",\n \"weekday\",\n \"era\",\n \"year\",\n \"month\",\n \"day\",\n \"hour\",\n \"minute\",\n \"second\",\n \"timeZoneName\",\n];\n/**\n * The implementation of the `DATETIME()` builtin available to translations.\n *\n * Translations may call the `DATETIME()` builtin in order to specify\n * formatting options of a number. For example:\n *\n * now = It's {DATETIME($today, month: \"long\")}.\n *\n * The implementation expects an array of {@link FluentValue | FluentValues} representing the\n * positional arguments, and an object of named {@link FluentValue | FluentValues} representing the\n * named parameters.\n *\n * The following options are recognized:\n *\n * dateStyle\n * timeStyle\n * fractionalSecondDigits\n * dayPeriod\n * hour12\n * weekday\n * era\n * year\n * month\n * day\n * hour\n * minute\n * second\n * timeZoneName\n *\n * Other options are ignored.\n *\n * @param args The positional arguments passed to this `DATETIME()`.\n * @param opts The named argments passed to this `DATETIME()`.\n */\nexport function DATETIME(args, opts) {\n let arg = args[0];\n if (arg instanceof FluentNone) {\n return new FluentNone(`DATETIME(${arg.valueOf()})`);\n }\n if (arg instanceof FluentDateTime || arg instanceof FluentNumber) {\n return new FluentDateTime(arg, values(opts, DATETIME_ALLOWED));\n }\n throw new TypeError(\"Invalid argument to DATETIME\");\n}\n","const cache = new Map();\nexport function getMemoizerForLocale(locales) {\n const stringLocale = Array.isArray(locales) ? locales.join(\" \") : locales;\n let memoizer = cache.get(stringLocale);\n if (memoizer === undefined) {\n memoizer = new Map();\n cache.set(stringLocale, memoizer);\n }\n return memoizer;\n}\n","import { resolveComplexPattern } from \"./resolver.js\";\nimport { Scope } from \"./scope.js\";\nimport { FluentNone } from \"./types.js\";\nimport { NUMBER, DATETIME } from \"./builtins.js\";\nimport { getMemoizerForLocale } from \"./memoizer.js\";\n/**\n * Message bundles are single-language stores of translation resources. They are\n * responsible for formatting message values and attributes to strings.\n */\nexport class FluentBundle {\n /**\n * Create an instance of `FluentBundle`.\n *\n * @example\n * ```js\n * let bundle = new FluentBundle([\"en-US\", \"en\"]);\n *\n * let bundle = new FluentBundle(locales, {useIsolating: false});\n *\n * let bundle = new FluentBundle(locales, {\n * useIsolating: true,\n * functions: {\n * NODE_ENV: () => process.env.NODE_ENV\n * }\n * });\n * ```\n *\n * @param locales - Used to instantiate `Intl` formatters used by translations.\n * @param options - Optional configuration for the bundle.\n */\n constructor(locales, { functions, useIsolating = true, transform = (v) => v, } = {}) {\n /** @ignore */\n this._terms = new Map();\n /** @ignore */\n this._messages = new Map();\n this.locales = Array.isArray(locales) ? locales : [locales];\n this._functions = {\n NUMBER,\n DATETIME,\n ...functions,\n };\n this._useIsolating = useIsolating;\n this._transform = transform;\n this._intls = getMemoizerForLocale(locales);\n }\n /**\n * Check if a message is present in the bundle.\n *\n * @param id - The identifier of the message to check.\n */\n hasMessage(id) {\n return this._messages.has(id);\n }\n /**\n * Return a raw unformatted message object from the bundle.\n *\n * Raw messages are `{value, attributes}` shapes containing translation units\n * called `Patterns`. `Patterns` are implementation-specific; they should be\n * treated as black boxes and formatted with `FluentBundle.formatPattern`.\n *\n * @param id - The identifier of the message to check.\n */\n getMessage(id) {\n return this._messages.get(id);\n }\n /**\n * Add a translation resource to the bundle.\n *\n * @example\n * ```js\n * let res = new FluentResource(\"foo = Foo\");\n * bundle.addResource(res);\n * bundle.getMessage(\"foo\");\n * // → {value: .., attributes: {..}}\n * ```\n *\n * @param res\n * @param options\n */\n addResource(res, { allowOverrides = false, } = {}) {\n const errors = [];\n for (let i = 0; i < res.body.length; i++) {\n let entry = res.body[i];\n if (entry.id.startsWith(\"-\")) {\n // Identifiers starting with a dash (-) define terms. Terms are private\n // and cannot be retrieved from FluentBundle.\n if (allowOverrides === false && this._terms.has(entry.id)) {\n errors.push(new Error(`Attempt to override an existing term: \"${entry.id}\"`));\n continue;\n }\n this._terms.set(entry.id, entry);\n }\n else {\n if (allowOverrides === false && this._messages.has(entry.id)) {\n errors.push(new Error(`Attempt to override an existing message: \"${entry.id}\"`));\n continue;\n }\n this._messages.set(entry.id, entry);\n }\n }\n return errors;\n }\n /**\n * Format a `Pattern` to a string.\n *\n * Format a raw `Pattern` into a string. `args` will be used to resolve\n * references to variables passed as arguments to the translation.\n *\n * In case of errors `formatPattern` will try to salvage as much of the\n * translation as possible and will still return a string. For performance\n * reasons, the encountered errors are not returned but instead are appended\n * to the `errors` array passed as the third argument.\n *\n * If `errors` is omitted, the first encountered error will be thrown.\n *\n * @example\n * ```js\n * let errors = [];\n * bundle.addResource(\n * new FluentResource(\"hello = Hello, {$name}!\"));\n *\n * let hello = bundle.getMessage(\"hello\");\n * if (hello.value) {\n * bundle.formatPattern(hello.value, {name: \"Jane\"}, errors);\n * // Returns \"Hello, Jane!\" and `errors` is empty.\n *\n * bundle.formatPattern(hello.value, undefined, errors);\n * // Returns \"Hello, {$name}!\" and `errors` is now:\n * // []\n * }\n * ```\n */\n formatPattern(pattern, args = null, errors = null) {\n // Resolve a simple pattern without creating a scope. No error handling is\n // required; by definition simple patterns don't have placeables.\n if (typeof pattern === \"string\") {\n return this._transform(pattern);\n }\n // Resolve a complex pattern.\n let scope = new Scope(this, errors, args);\n try {\n let value = resolveComplexPattern(scope, pattern);\n return value.toString(scope);\n }\n catch (err) {\n if (scope.errors && err instanceof Error) {\n scope.errors.push(err);\n return new FluentNone().toString(scope);\n }\n throw err;\n }\n }\n}\n","// This regex is used to iterate through the beginnings of messages and terms.\n// With the /m flag, the ^ matches at the beginning of every line.\nconst RE_MESSAGE_START = /^(-?[a-zA-Z][\\w-]*) *= */gm;\n// Both Attributes and Variants are parsed in while loops. These regexes are\n// used to break out of them.\nconst RE_ATTRIBUTE_START = /\\.([a-zA-Z][\\w-]*) *= */y;\nconst RE_VARIANT_START = /\\*?\\[/y;\nconst RE_NUMBER_LITERAL = /(-?[0-9]+(?:\\.([0-9]+))?)/y;\nconst RE_IDENTIFIER = /([a-zA-Z][\\w-]*)/y;\nconst RE_REFERENCE = /([$-])?([a-zA-Z][\\w-]*)(?:\\.([a-zA-Z][\\w-]*))?/y;\nconst RE_FUNCTION_NAME = /^[A-Z][A-Z0-9_-]*$/;\n// A \"run\" is a sequence of text or string literal characters which don't\n// require any special handling. For TextElements such special characters are: {\n// (starts a placeable), and line breaks which require additional logic to check\n// if the next line is indented. For StringLiterals they are: \\ (starts an\n// escape sequence), \" (ends the literal), and line breaks which are not allowed\n// in StringLiterals. Note that string runs may be empty; text runs may not.\nconst RE_TEXT_RUN = /([^{}\\n\\r]+)/y;\nconst RE_STRING_RUN = /([^\\\\\"\\n\\r]*)/y;\n// Escape sequences.\nconst RE_STRING_ESCAPE = /\\\\([\\\\\"])/y;\nconst RE_UNICODE_ESCAPE = /\\\\u([a-fA-F0-9]{4})|\\\\U([a-fA-F0-9]{6})/y;\n// Used for trimming TextElements and indents.\nconst RE_LEADING_NEWLINES = /^\\n+/;\nconst RE_TRAILING_SPACES = / +$/;\n// Used in makeIndent to strip spaces from blank lines and normalize CRLF to LF.\nconst RE_BLANK_LINES = / *\\r?\\n/g;\n// Used in makeIndent to measure the indentation.\nconst RE_INDENT = /( *)$/;\n// Common tokens.\nconst TOKEN_BRACE_OPEN = /{\\s*/y;\nconst TOKEN_BRACE_CLOSE = /\\s*}/y;\nconst TOKEN_BRACKET_OPEN = /\\[\\s*/y;\nconst TOKEN_BRACKET_CLOSE = /\\s*] */y;\nconst TOKEN_PAREN_OPEN = /\\s*\\(\\s*/y;\nconst TOKEN_ARROW = /\\s*->\\s*/y;\nconst TOKEN_COLON = /\\s*:\\s*/y;\n// Note the optional comma. As a deviation from the Fluent EBNF, the parser\n// doesn't enforce commas between call arguments.\nconst TOKEN_COMMA = /\\s*,?\\s*/y;\nconst TOKEN_BLANK = /\\s+/y;\n/**\n * Fluent Resource is a structure storing parsed localization entries.\n */\nexport class FluentResource {\n constructor(source) {\n this.body = [];\n RE_MESSAGE_START.lastIndex = 0;\n let cursor = 0;\n // Iterate over the beginnings of messages and terms to efficiently skip\n // comments and recover from errors.\n while (true) {\n let next = RE_MESSAGE_START.exec(source);\n if (next === null) {\n break;\n }\n cursor = RE_MESSAGE_START.lastIndex;\n try {\n this.body.push(parseMessage(next[1]));\n }\n catch (err) {\n if (err instanceof SyntaxError) {\n // Don't report any Fluent syntax errors. Skip directly to the\n // beginning of the next message or term.\n continue;\n }\n throw err;\n }\n }\n // The parser implementation is inlined below for performance reasons,\n // as well as for convenience of accessing `source` and `cursor`.\n // The parser focuses on minimizing the number of false negatives at the\n // expense of increasing the risk of false positives. In other words, it\n // aims at parsing valid Fluent messages with a success rate of 100%, but it\n // may also parse a few invalid messages which the reference parser would\n // reject. The parser doesn't perform any validation and may produce entries\n // which wouldn't make sense in the real world. For best results users are\n // advised to validate translations with the fluent-syntax parser\n // pre-runtime.\n // The parser makes an extensive use of sticky regexes which can be anchored\n // to any offset of the source string without slicing it. Errors are thrown\n // to bail out of parsing of ill-formed messages.\n function test(re) {\n re.lastIndex = cursor;\n return re.test(source);\n }\n // Advance the cursor by the char if it matches. May be used as a predicate\n // (was the match found?) or, if errorClass is passed, as an assertion.\n function consumeChar(char, errorClass) {\n if (source[cursor] === char) {\n cursor++;\n return true;\n }\n if (errorClass) {\n throw new errorClass(`Expected ${char}`);\n }\n return false;\n }\n // Advance the cursor by the token if it matches. May be used as a predicate\n // (was the match found?) or, if errorClass is passed, as an assertion.\n function consumeToken(re, errorClass) {\n if (test(re)) {\n cursor = re.lastIndex;\n return true;\n }\n if (errorClass) {\n throw new errorClass(`Expected ${re.toString()}`);\n }\n return false;\n }\n // Execute a regex, advance the cursor, and return all capture groups.\n function match(re) {\n re.lastIndex = cursor;\n let result = re.exec(source);\n if (result === null) {\n throw new SyntaxError(`Expected ${re.toString()}`);\n }\n cursor = re.lastIndex;\n return result;\n }\n // Execute a regex, advance the cursor, and return the capture group.\n function match1(re) {\n return match(re)[1];\n }\n function parseMessage(id) {\n let value = parsePattern();\n let attributes = parseAttributes();\n if (value === null && Object.keys(attributes).length === 0) {\n throw new SyntaxError(\"Expected message value or attributes\");\n }\n return { id, value, attributes };\n }\n function parseAttributes() {\n let attrs = Object.create(null);\n while (test(RE_ATTRIBUTE_START)) {\n let name = match1(RE_ATTRIBUTE_START);\n let value = parsePattern();\n if (value === null) {\n throw new SyntaxError(\"Expected attribute value\");\n }\n attrs[name] = value;\n }\n return attrs;\n }\n function parsePattern() {\n let first;\n // First try to parse any simple text on the same line as the id.\n if (test(RE_TEXT_RUN)) {\n first = match1(RE_TEXT_RUN);\n }\n // If there's a placeable on the first line, parse a complex pattern.\n if (source[cursor] === \"{\" || source[cursor] === \"}\") {\n // Re-use the text parsed above, if possible.\n return parsePatternElements(first ? [first] : [], Infinity);\n }\n // RE_TEXT_VALUE stops at newlines. Only continue parsing the pattern if\n // what comes after the newline is indented.\n let indent = parseIndent();\n if (indent) {\n if (first) {\n // If there's text on the first line, the blank block is part of the\n // translation content in its entirety.\n return parsePatternElements([first, indent], indent.length);\n }\n // Otherwise, we're dealing with a block pattern, i.e. a pattern which\n // starts on a new line. Discrad the leading newlines but keep the\n // inline indent; it will be used by the dedentation logic.\n indent.value = trim(indent.value, RE_LEADING_NEWLINES);\n return parsePatternElements([indent], indent.length);\n }\n if (first) {\n // It was just a simple inline text after all.\n return trim(first, RE_TRAILING_SPACES);\n }\n return null;\n }\n // Parse a complex pattern as an array of elements.\n function parsePatternElements(elements = [], commonIndent) {\n while (true) {\n if (test(RE_TEXT_RUN)) {\n elements.push(match1(RE_TEXT_RUN));\n continue;\n }\n if (source[cursor] === \"{\") {\n elements.push(parsePlaceable());\n continue;\n }\n if (source[cursor] === \"}\") {\n throw new SyntaxError(\"Unbalanced closing brace\");\n }\n let indent = parseIndent();\n if (indent) {\n elements.push(indent);\n commonIndent = Math.min(commonIndent, indent.length);\n continue;\n }\n break;\n }\n let lastIndex = elements.length - 1;\n let lastElement = elements[lastIndex];\n // Trim the trailing spaces in the last element if it's a TextElement.\n if (typeof lastElement === \"string\") {\n elements[lastIndex] = trim(lastElement, RE_TRAILING_SPACES);\n }\n let baked = [];\n for (let element of elements) {\n if (element instanceof Indent) {\n // Dedent indented lines by the maximum common indent.\n element = element.value.slice(0, element.value.length - commonIndent);\n }\n if (element) {\n baked.push(element);\n }\n }\n return baked;\n }\n function parsePlaceable() {\n consumeToken(TOKEN_BRACE_OPEN, SyntaxError);\n let selector = parseInlineExpression();\n if (consumeToken(TOKEN_BRACE_CLOSE)) {\n return selector;\n }\n if (consumeToken(TOKEN_ARROW)) {\n let variants = parseVariants();\n consumeToken(TOKEN_BRACE_CLOSE, SyntaxError);\n return {\n type: \"select\",\n selector,\n ...variants,\n };\n }\n throw new SyntaxError(\"Unclosed placeable\");\n }\n function parseInlineExpression() {\n if (source[cursor] === \"{\") {\n // It's a nested placeable.\n return parsePlaceable();\n }\n if (test(RE_REFERENCE)) {\n let [, sigil, name, attr = null] = match(RE_REFERENCE);\n if (sigil === \"$\") {\n return { type: \"var\", name };\n }\n if (consumeToken(TOKEN_PAREN_OPEN)) {\n let args = parseArguments();\n if (sigil === \"-\") {\n // A parameterized term: -term(...).\n return { type: \"term\", name, attr, args };\n }\n if (RE_FUNCTION_NAME.test(name)) {\n return { type: \"func\", name, args };\n }\n throw new SyntaxError(\"Function names must be all upper-case\");\n }\n if (sigil === \"-\") {\n // A non-parameterized term: -term.\n return {\n type: \"term\",\n name,\n attr,\n args: [],\n };\n }\n return { type: \"mesg\", name, attr };\n }\n return parseLiteral();\n }\n function parseArguments() {\n let args = [];\n while (true) {\n switch (source[cursor]) {\n case \")\": // End of the argument list.\n cursor++;\n return args;\n case undefined: // EOF\n throw new SyntaxError(\"Unclosed argument list\");\n }\n args.push(parseArgument());\n // Commas between arguments are treated as whitespace.\n consumeToken(TOKEN_COMMA);\n }\n }\n function parseArgument() {\n let expr = parseInlineExpression();\n if (expr.type !== \"mesg\") {\n return expr;\n }\n if (consumeToken(TOKEN_COLON)) {\n // The reference is the beginning of a named argument.\n return {\n type: \"narg\",\n name: expr.name,\n value: parseLiteral(),\n };\n }\n // It's a regular message reference.\n return expr;\n }\n function parseVariants() {\n let variants = [];\n let count = 0;\n let star;\n while (test(RE_VARIANT_START)) {\n if (consumeChar(\"*\")) {\n star = count;\n }\n let key = parseVariantKey();\n let value = parsePattern();\n if (value === null) {\n throw new SyntaxError(\"Expected variant value\");\n }\n variants[count++] = { key, value };\n }\n if (count === 0) {\n return null;\n }\n if (star === undefined) {\n throw new SyntaxError(\"Expected default variant\");\n }\n return { variants, star };\n }\n function parseVariantKey() {\n consumeToken(TOKEN_BRACKET_OPEN, SyntaxError);\n let key;\n if (test(RE_NUMBER_LITERAL)) {\n key = parseNumberLiteral();\n }\n else {\n key = {\n type: \"str\",\n value: match1(RE_IDENTIFIER),\n };\n }\n consumeToken(TOKEN_BRACKET_CLOSE, SyntaxError);\n return key;\n }\n function parseLiteral() {\n if (test(RE_NUMBER_LITERAL)) {\n return parseNumberLiteral();\n }\n if (source[cursor] === '\"') {\n return parseStringLiteral();\n }\n throw new SyntaxError(\"Invalid expression\");\n }\n function parseNumberLiteral() {\n let [, value, fraction = \"\"] = match(RE_NUMBER_LITERAL);\n let precision = fraction.length;\n return {\n type: \"num\",\n value: parseFloat(value),\n precision,\n };\n }\n function parseStringLiteral() {\n consumeChar('\"', SyntaxError);\n let value = \"\";\n while (true) {\n value += match1(RE_STRING_RUN);\n if (source[cursor] === \"\\\\\") {\n value += parseEscapeSequence();\n continue;\n }\n if (consumeChar('\"')) {\n return { type: \"str\", value };\n }\n // We've reached an EOL of EOF.\n throw new SyntaxError(\"Unclosed string literal\");\n }\n }\n // Unescape known escape sequences.\n function parseEscapeSequence() {\n if (test(RE_STRING_ESCAPE)) {\n return match1(RE_STRING_ESCAPE);\n }\n if (test(RE_UNICODE_ESCAPE)) {\n let [, codepoint4, codepoint6] = match(RE_UNICODE_ESCAPE);\n let codepoint = parseInt(codepoint4 || codepoint6, 16);\n return codepoint <= 0xd7ff || 0xe000 <= codepoint\n ? // It's a Unicode scalar value.\n String.fromCodePoint(codepoint)\n : // Lonely surrogates can cause trouble when the parsing result is\n // saved using UTF-8. Use U+FFFD REPLACEMENT CHARACTER instead.\n \"�\";\n }\n throw new SyntaxError(\"Unknown escape sequence\");\n }\n // Parse blank space. Return it if it looks like indent before a pattern\n // line. Skip it othwerwise.\n function parseIndent() {\n let start = cursor;\n consumeToken(TOKEN_BLANK);\n // Check the first non-blank character after the indent.\n switch (source[cursor]) {\n case \".\":\n case \"[\":\n case \"*\":\n case \"}\":\n case undefined: // EOF\n // A special character. End the Pattern.\n return false;\n case \"{\":\n // Placeables don't require indentation (in EBNF: block-placeable).\n // Continue the Pattern.\n return makeIndent(source.slice(start, cursor));\n }\n // If the first character on the line is not one of the special characters\n // listed above, it's a regular text character. Check if there's at least\n // one space of indent before it.\n if (source[cursor - 1] === \" \") {\n // It's an indented text character (in EBNF: indented-char). Continue\n // the Pattern.\n return makeIndent(source.slice(start, cursor));\n }\n // A not-indented text character is likely the identifier of the next\n // message. End the Pattern.\n return false;\n }\n // Trim blanks in text according to the given regex.\n function trim(text, re) {\n return text.replace(re, \"\");\n }\n // Normalize a blank block and extract the indent details.\n function makeIndent(blank) {\n let value = blank.replace(RE_BLANK_LINES, \"\\n\");\n let length = RE_INDENT.exec(blank)[1].length;\n return new Indent(value, length);\n }\n }\n}\nclass Indent {\n constructor(value, length) {\n this.value = value;\n this.length = length;\n }\n}\n","/**\n * A JavaScript implementation of Project Fluent, a localization\n * framework designed to unleash the expressive power of the natural language.\n *\n * @module\n */\nexport { FluentBundle } from \"./bundle.js\";\nexport { FluentResource } from \"./resource.js\";\nexport { FluentType, FluentNone, FluentNumber, FluentDateTime, } from \"./types.js\";\n","/* eslint no-console: [\"error\", {allow: [\"warn\"]}] */\n/* global console */\n// Match the opening angle bracket (<) in HTML tags, and HTML entities like\n// &, &, &.\nconst reOverlay = /<|?\\w+;/;\n/**\n * Elements allowed in translations even if they are not present in the source\n * HTML. They are text-level elements as defined by the HTML5 spec:\n * https://www.w3.org/TR/html5/text-level-semantics.html with the exception of:\n *\n * - a - because we don't allow href on it anyways,\n * - ruby, rt, rp - because we don't allow nested elements to be inserted.\n */\nconst TEXT_LEVEL_ELEMENTS = {\n \"http://www.w3.org/1999/xhtml\": [\n \"em\",\n \"strong\",\n \"small\",\n \"s\",\n \"cite\",\n \"q\",\n \"dfn\",\n \"abbr\",\n \"data\",\n \"time\",\n \"code\",\n \"var\",\n \"samp\",\n \"kbd\",\n \"sub\",\n \"sup\",\n \"i\",\n \"b\",\n \"u\",\n \"mark\",\n \"bdi\",\n \"bdo\",\n \"span\",\n \"br\",\n \"wbr\",\n ],\n};\nconst LOCALIZABLE_ATTRIBUTES = {\n \"http://www.w3.org/1999/xhtml\": {\n global: [\"title\", \"aria-description\", \"aria-label\", \"aria-valuetext\"],\n a: [\"download\"],\n area: [\"download\", \"alt\"],\n // value is special-cased in isAttrNameLocalizable\n input: [\"alt\", \"placeholder\"],\n menuitem: [\"label\"],\n menu: [\"label\"],\n optgroup: [\"label\"],\n option: [\"label\"],\n track: [\"label\"],\n img: [\"alt\"],\n textarea: [\"placeholder\"],\n th: [\"abbr\"],\n },\n \"http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul\": {\n global: [\n \"accesskey\",\n \"aria-label\",\n \"aria-valuetext\",\n \"label\",\n \"title\",\n \"tooltiptext\",\n ],\n description: [\"value\"],\n key: [\"key\", \"keycode\"],\n label: [\"value\"],\n textbox: [\"placeholder\", \"value\"],\n },\n};\n/**\n * Translate an element.\n *\n * Translate the element's text content and attributes. Some HTML markup is\n * allowed in the translation. The element's children with the data-l10n-name\n * attribute will be treated as arguments to the translation. If the\n * translation defines the same children, their attributes and text contents\n * will be used for translating the matching source child.\n *\n * @param {Element} element\n * @param {Object} translation\n * @private\n */\nexport default function translateElement(element, translation) {\n const { value } = translation;\n if (typeof value === \"string\") {\n if (element.localName === \"title\" &&\n element.namespaceURI === \"http://www.w3.org/1999/xhtml\") {\n // A special case for the HTML title element whose content must be text.\n element.textContent = value;\n }\n else if (!reOverlay.test(value)) {\n // If the translation doesn't contain any markup skip the overlay logic.\n element.textContent = value;\n }\n else {\n // Else parse the translation's HTML using an inert template element,\n // sanitize it and replace the element's content.\n const templateElement = element.ownerDocument.createElementNS(\"http://www.w3.org/1999/xhtml\", \"template\");\n templateElement.innerHTML = value;\n overlayChildNodes(templateElement.content, element);\n }\n }\n // Even if the translation doesn't define any localizable attributes, run\n // overlayAttributes to remove any localizable attributes set by previous\n // translations.\n overlayAttributes(translation, element);\n}\n/**\n * Replace child nodes of an element with child nodes of another element.\n *\n * The contents of the target element will be cleared and fully replaced with\n * sanitized contents of the source element.\n *\n * @param {DocumentFragment} fromFragment - The source of children to overlay.\n * @param {Element} toElement - The target of the overlay.\n * @private\n */\nfunction overlayChildNodes(fromFragment, toElement) {\n for (const childNode of fromFragment.childNodes) {\n if (childNode.nodeType === childNode.TEXT_NODE) {\n // Keep the translated text node.\n continue;\n }\n if (childNode.hasAttribute(\"data-l10n-name\")) {\n const sanitized = getNodeForNamedElement(toElement, childNode);\n fromFragment.replaceChild(sanitized, childNode);\n continue;\n }\n if (isElementAllowed(childNode)) {\n const sanitized = createSanitizedElement(childNode);\n fromFragment.replaceChild(sanitized, childNode);\n continue;\n }\n console.warn(`An element of forbidden type \"${childNode.localName}\" was found in ` +\n \"the translation. Only safe text-level elements and elements with \" +\n \"data-l10n-name are allowed.\");\n // If all else fails, replace the element with its text content.\n fromFragment.replaceChild(createTextNodeFromTextContent(childNode), childNode);\n }\n toElement.textContent = \"\";\n toElement.appendChild(fromFragment);\n}\nfunction hasAttribute(attributes, name) {\n if (!attributes) {\n return false;\n }\n for (let attr of attributes) {\n if (attr.name === name) {\n return true;\n }\n }\n return false;\n}\n/**\n * Transplant localizable attributes of an element to another element.\n *\n * Any localizable attributes already set on the target element will be\n * cleared.\n *\n * @param {Element|Object} fromElement - The source of child nodes to overlay.\n * @param {Element} toElement - The target of the overlay.\n * @private\n */\nfunction overlayAttributes(fromElement, toElement) {\n const explicitlyAllowed = toElement.hasAttribute(\"data-l10n-attrs\")\n ? toElement\n .getAttribute(\"data-l10n-attrs\")\n .split(\",\")\n .map(i => i.trim())\n : null;\n // Remove existing localizable attributes if they\n // will not be used in the new translation.\n for (const attr of Array.from(toElement.attributes)) {\n if (isAttrNameLocalizable(attr.name, toElement, explicitlyAllowed) &&\n !hasAttribute(fromElement.attributes, attr.name)) {\n toElement.removeAttribute(attr.name);\n }\n }\n // fromElement might be a {value, attributes} object as returned by\n // Localization.messageFromBundle. In which case attributes may be null to\n // save GC cycles.\n if (!fromElement.attributes) {\n return;\n }\n // Set localizable attributes.\n for (const attr of Array.from(fromElement.attributes)) {\n if (isAttrNameLocalizable(attr.name, toElement, explicitlyAllowed) &&\n toElement.getAttribute(attr.name) !== attr.value) {\n toElement.setAttribute(attr.name, attr.value);\n }\n }\n}\n/**\n * Sanitize a child element created by the translation.\n *\n * Try to find a corresponding child in sourceElement and use it as the base\n * for the sanitization. This will preserve functional attribtues defined on\n * the child element in the source HTML.\n *\n * @param {Element} sourceElement - The source for data-l10n-name lookups.\n * @param {Element} translatedChild - The translated child to be sanitized.\n * @returns {Element}\n * @private\n */\nfunction getNodeForNamedElement(sourceElement, translatedChild) {\n const childName = translatedChild.getAttribute(\"data-l10n-name\");\n const sourceChild = sourceElement.querySelector(`[data-l10n-name=\"${childName}\"]`);\n if (!sourceChild) {\n console.warn(`An element named \"${childName}\" wasn't found in the source.`);\n return createTextNodeFromTextContent(translatedChild);\n }\n if (sourceChild.localName !== translatedChild.localName) {\n console.warn(`An element named \"${childName}\" was found in the translation ` +\n `but its type ${translatedChild.localName} didn't match the ` +\n `element found in the source (${sourceChild.localName}).`);\n return createTextNodeFromTextContent(translatedChild);\n }\n // Remove it from sourceElement so that the translation cannot use\n // the same reference name again.\n sourceElement.removeChild(sourceChild);\n // We can't currently guarantee that a translation won't remove\n // sourceChild from the element completely, which could break the app if\n // it relies on an event handler attached to the sourceChild. Let's make\n // this limitation explicit for now by breaking the identitiy of the\n // sourceChild by cloning it. This will destroy all event handlers\n // attached to sourceChild via addEventListener and via on\n // properties.\n const clone = sourceChild.cloneNode(false);\n return shallowPopulateUsing(translatedChild, clone);\n}\n/**\n * Sanitize an allowed element.\n *\n * Text-level elements allowed in translations may only use safe attributes\n * and will have any nested markup stripped to text content.\n *\n * @param {Element} element - The element to be sanitized.\n * @returns {Element}\n * @private\n */\nfunction createSanitizedElement(element) {\n // Start with an empty element of the same type to remove nested children\n // and non-localizable attributes defined by the translation.\n const clone = element.ownerDocument.createElement(element.localName);\n return shallowPopulateUsing(element, clone);\n}\n/**\n * Convert an element to a text node.\n *\n * @param {Element} element - The element to be sanitized.\n * @returns {Node}\n * @private\n */\nfunction createTextNodeFromTextContent(element) {\n return element.ownerDocument.createTextNode(element.textContent);\n}\n/**\n * Check if element is allowed in the translation.\n *\n * This method is used by the sanitizer when the translation markup contains\n * an element which is not present in the source code.\n *\n * @param {Element} element\n * @returns {boolean}\n * @private\n */\nfunction isElementAllowed(element) {\n const allowed = TEXT_LEVEL_ELEMENTS[element.namespaceURI];\n return allowed && allowed.includes(element.localName);\n}\n/**\n * Check if attribute is allowed for the given element.\n *\n * This method is used by the sanitizer when the translation markup contains\n * DOM attributes, or when the translation has traits which map to DOM\n * attributes.\n *\n * `explicitlyAllowed` can be passed as a list of attributes explicitly\n * allowed on this element.\n *\n * @param {string} name\n * @param {Element} element\n * @param {Array} explicitlyAllowed\n * @returns {boolean}\n * @private\n */\nfunction isAttrNameLocalizable(name, element, explicitlyAllowed = null) {\n if (explicitlyAllowed && explicitlyAllowed.includes(name)) {\n return true;\n }\n const allowed = LOCALIZABLE_ATTRIBUTES[element.namespaceURI];\n if (!allowed) {\n return false;\n }\n const attrName = name.toLowerCase();\n const elemName = element.localName;\n // Is it a globally safe attribute?\n if (allowed.global.includes(attrName)) {\n return true;\n }\n // Are there no allowed attributes for this element?\n if (!allowed[elemName]) {\n return false;\n }\n // Is it allowed on this element?\n if (allowed[elemName].includes(attrName)) {\n return true;\n }\n // Special case for value on HTML inputs with type button, reset, submit\n if (element.namespaceURI === \"http://www.w3.org/1999/xhtml\" &&\n elemName === \"input\" &&\n attrName === \"value\") {\n const type = element.type.toLowerCase();\n if (type === \"submit\" || type === \"button\" || type === \"reset\") {\n return true;\n }\n }\n return false;\n}\n/**\n * Helper to set textContent and localizable attributes on an element.\n *\n * @param {Element} fromElement\n * @param {Element} toElement\n * @returns {Element}\n * @private\n */\nfunction shallowPopulateUsing(fromElement, toElement) {\n toElement.textContent = fromElement.textContent;\n overlayAttributes(fromElement, toElement);\n return toElement;\n}\n","/*\n * Base CachedIterable class.\n */\nexport default class CachedIterable extends Array {\n /**\n * Create a `CachedIterable` instance from an iterable or, if another\n * instance of `CachedIterable` is passed, return it without any\n * modifications.\n *\n * @param {Iterable} iterable\n * @returns {CachedIterable}\n */\n static from(iterable) {\n if (iterable instanceof this) {\n return iterable;\n }\n\n return new this(iterable);\n }\n}\n","import CachedIterable from \"./cached_iterable.mjs\";\n\n/*\n * CachedSyncIterable caches the elements yielded by an iterable.\n *\n * It can be used to iterate over an iterable many times without depleting the\n * iterable.\n */\nexport default class CachedSyncIterable extends CachedIterable {\n /**\n * Create an `CachedSyncIterable` instance.\n *\n * @param {Iterable} iterable\n * @returns {CachedSyncIterable}\n */\n constructor(iterable) {\n super();\n\n if (Symbol.iterator in Object(iterable)) {\n this.iterator = iterable[Symbol.iterator]();\n } else {\n throw new TypeError(\"Argument must implement the iteration protocol.\");\n }\n }\n\n [Symbol.iterator]() {\n const cached = this;\n let cur = 0;\n\n return {\n next() {\n if (cached.length <= cur) {\n cached.push(cached.iterator.next());\n }\n return cached[cur++];\n }\n };\n }\n\n /**\n * This method allows user to consume the next element from the iterator\n * into the cache.\n *\n * @param {number} count - number of elements to consume\n */\n touchNext(count = 1) {\n let idx = 0;\n while (idx++ < count) {\n const last = this[this.length - 1];\n if (last && last.done) {\n break;\n }\n this.push(this.iterator.next());\n }\n // Return the last cached {value, done} object to allow the calling\n // code to decide if it needs to call touchNext again.\n return this[this.length - 1];\n }\n}\n","import CachedIterable from \"./cached_iterable.mjs\";\n\n/*\n * CachedAsyncIterable caches the elements yielded by an async iterable.\n *\n * It can be used to iterate over an iterable many times without depleting the\n * iterable.\n */\nexport default class CachedAsyncIterable extends CachedIterable {\n /**\n * Create an `CachedAsyncIterable` instance.\n *\n * @param {Iterable} iterable\n * @returns {CachedAsyncIterable}\n */\n constructor(iterable) {\n super();\n\n if (Symbol.asyncIterator in Object(iterable)) {\n this.iterator = iterable[Symbol.asyncIterator]();\n } else if (Symbol.iterator in Object(iterable)) {\n this.iterator = iterable[Symbol.iterator]();\n } else {\n throw new TypeError(\"Argument must implement the iteration protocol.\");\n }\n }\n\n /**\n * Asynchronous iterator caching the yielded elements.\n *\n * Elements yielded by the original iterable will be cached and available\n * synchronously. Returns an async generator object implementing the\n * iterator protocol over the elements of the original (async or sync)\n * iterable.\n */\n [Symbol.asyncIterator]() {\n const cached = this;\n let cur = 0;\n\n return {\n async next() {\n if (cached.length <= cur) {\n cached.push(cached.iterator.next());\n }\n return cached[cur++];\n }\n };\n }\n\n /**\n * This method allows user to consume the next element from the iterator\n * into the cache.\n *\n * @param {number} count - number of elements to consume\n */\n async touchNext(count = 1) {\n let idx = 0;\n while (idx++ < count) {\n const last = this[this.length - 1];\n if (last && (await last).done) {\n break;\n }\n this.push(this.iterator.next());\n }\n // Return the last cached {value, done} object to allow the calling\n // code to decide if it needs to call touchNext again.\n return this[this.length - 1];\n }\n}\n","export {default as CachedSyncIterable} from \"./cached_sync_iterable.mjs\";\nexport {default as CachedAsyncIterable} from \"./cached_async_iterable.mjs\";\n","/* eslint no-console: [\"error\", { allow: [\"warn\", \"error\"] }] */\n/* global console */\nimport { CachedAsyncIterable } from \"cached-iterable\";\n/**\n * The `Localization` class is a central high-level API for vanilla\n * JavaScript use of Fluent.\n * It combines language negotiation, FluentBundle and I/O to\n * provide a scriptable API to format translations.\n */\nexport default class Localization {\n /**\n * @param {Array} resourceIds - List of resource IDs\n * @param {Function} generateBundles - Function that returns a\n * generator over FluentBundles\n *\n * @returns {Localization}\n */\n constructor(resourceIds = [], generateBundles) {\n this.resourceIds = resourceIds;\n this.generateBundles = generateBundles;\n this.onChange(true);\n }\n addResourceIds(resourceIds, eager = false) {\n this.resourceIds.push(...resourceIds);\n this.onChange(eager);\n return this.resourceIds.length;\n }\n removeResourceIds(resourceIds) {\n this.resourceIds = this.resourceIds.filter(r => !resourceIds.includes(r));\n this.onChange();\n return this.resourceIds.length;\n }\n /**\n * Format translations and handle fallback if needed.\n *\n * Format translations for `keys` from `FluentBundle` instances on this\n * DOMLocalization. In case of errors, fetch the next context in the\n * fallback chain.\n *\n * @param {Array