mirror of
https://github.com/ranaldsgift/KefinTweaks.git
synced 2026-11-05 15:52:47 +01:00
1117 lines
45 KiB
JavaScript
1117 lines
45 KiB
JavaScript
// Thumbnail Scrubber
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// YouTube-style scrubber: on card hover show a progress bar at the bottom; near the bar show timestamp and trickplay thumb above cursor.
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(function() {
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'use strict';
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const LOG = (...args) => console.log('[KefinTweaks ThumbnailScrubber]', ...args);
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const WARN = (...args) => console.warn('[KefinTweaks ThumbnailScrubber]', ...args);
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const ERR = (...args) => console.error('[KefinTweaks ThumbnailScrubber]', ...args);
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const SCRUB_ZONE_HEIGHT_PX = 40;
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const SCRUB_ACTIVATION_DELAY_MS = 300;
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const PROGRESS_BAR_WIDTH_PERCENT = 95;
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// Passive hover preview defaults (can be overridden by config)
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const HOVER_PREVIEW_DEFAULT_ENABLED = false;
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const HOVER_PREVIEW_DEFAULT_TIMEOUT_MS = 800;
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const HOVER_PREVIEW_DEFAULT_FRAME_MS = 333;
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const VIDEO_TYPES = ['Movie', 'Episode'];
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/** Ticks are 100-nanosecond units; 10_000 ticks = 1 ms */
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const TICKS_PER_MS = 10_000;
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const PREVIEW_WIDTH_PERCENT = 0.25;
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const PREVIEW_WIDTH_MIN_PX = 150;
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const PREVIEW_ASPECT = 16 / 9;
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/** Trickplay data by item id */
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const trickPlayMap = new Map();
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/**
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* Single module-level state for the card currently under the cursor (event delegation).
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* { card, cardImageContainer, itemId, overlay, activationTimer, scrubberData, lastClientX, lastClientY }
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*/
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let currentCardState = null;
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let rafId = null;
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let hoverPreviewRafId = null;
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let hoverPreviewIntervalId = null;
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if (!document.getElementById('kefin-scrubber-styles')) {
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const style = document.createElement('style');
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style.id = 'kefin-scrubber-styles';
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style.textContent = `
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.kefin-scrubber-overlay {
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position: absolute; inset: 0; z-index: 15;
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display: flex; flex-direction: column; justify-content: flex-end;
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pointer-events: none;
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opacity: 0; transition: opacity 0.15s ease;
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}
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.kefin-scrubber-overlay.is-visible { opacity: 1; }
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.kefin-scrubber-overlay.is-zone-active {
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pointer-events: auto;
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}
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.kefin-scrubber-progress-wrap {
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width: 100%;
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display: flex; justify-content: center;
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transition: transform 0.2s ease, padding 0.2s ease;
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position: relative;
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z-index: 20;
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}
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.kefin-scrubber-overlay.is-zone-active .kefin-scrubber-progress-wrap {
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transform: translateY(-8px);
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padding-bottom: 8px;
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pointer-events: auto;
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}
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.kefin-scrubber-progress-track {
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height: 4px; border-radius: 2px;
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background: rgba(255,255,255,0.3);
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width: 100%;
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max-width: 95%;
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overflow: hidden;
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}
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.kefin-scrubber-progress-fill {
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height: 100%; border-radius: 2px;
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background: rgba(255,255,255,0.9);
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width: 0%; transition: none;
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}
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.kefin-scrubber-preview {
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position: absolute;
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left: 0;
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bottom: 20px;
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padding: 0 0 6px;
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display: none; flex-direction: column; align-items: center;
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pointer-events: none;
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z-index: 10;
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transition: transform 0.2s ease;
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}
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.kefin-scrubber-overlay.is-zone-active .kefin-scrubber-preview {
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display: flex;
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}
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.kefin-scrubber-overlay.is-popover-open .kefin-scrubber-preview {
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transform: translateY(-80px);
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}
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.kefin-scrubber-popover {
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position: absolute; left: 50%; bottom: 100%;
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transform: translate(-50%, 8px);
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min-width: 160px;
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background: rgba(28,28,28,0.98);
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border: 1px solid rgba(255,255,255,0.2);
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border-radius: 6px;
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box-shadow: 0 4px 20px rgba(0,0,0,0.5);
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padding: 4px 0;
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z-index: 25;
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pointer-events: auto;
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opacity: 0;
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transition: transform 0.2s ease, opacity 0.2s ease;
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}
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.kefin-scrubber-overlay.is-popover-open .kefin-scrubber-popover {
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opacity: 1;
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transform: translate(-50%, -4px);
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}
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.kefin-scrubber-chapterThumbWrapper {
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overflow: hidden; border-radius: 4px;
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box-shadow: 0 2px 12px rgba(0,0,0,0.5);
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background: #000;
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background-repeat: no-repeat;
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border: 1px solid rgba(255, 255, 255, 0.85);
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}
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.kefin-scrubber-timestamp {
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margin-top: 4px; padding: 2px 8px;
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background: rgba(0,0,0,0.85); border-radius: 4px;
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color: #fff; font-size: 13px; font-weight: 500;
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}
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.card:has(.kefin-scrubber-overlay.is-visible.is-zone-active) .cardOverlayButton-br {
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bottom: 30px;
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}
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.card:has(.kefin-scrubber-overlay.is-visible) .cardOverlayButton-br {
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bottom: 10px;
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}
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.card:has(.kefin-scrubber-overlay) .cardOverlayButton-br {
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transition: bottom 200ms ease;
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}
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.kefin-scrubber-popover-option {
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display: block;
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width: 100%;
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padding: 8px 14px;
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border: none;
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background: none;
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color: rgba(255,255,255,0.9);
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font-size: 13px;
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text-align: left;
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cursor: pointer;
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}
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.kefin-scrubber-popover-option:hover {
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background: rgba(255,255,255,0.1);
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}
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.kefin-scrubber-overlay[data-no-trickplay] {
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display: none !important;
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}
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/* Passive hover preview: dedicated clipped box so only one tile is visible */
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.cardImageContainer .kefin-hover-preview-box {
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position: absolute;
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left: 0;
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right: 0;
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top: 50%;
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transform: translateY(-50%);
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margin: 0 auto;
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overflow: hidden;
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pointer-events: none;
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z-index: 18;
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}
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.cardImageContainer .kefin-hover-preview-frame {
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width: 100%;
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height: 100%;
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background-repeat: no-repeat;
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}
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`;
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document.head.appendChild(style);
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}
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/**
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* Read thumbnail scrubber configuration from global config.
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* Returns { previewOnHover: boolean, hoverTimeoutMs: number, scrubActivationDelayMs: number, hoverPreviewFrameMs?: number }.
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*/
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function getThumbnailScrubberConfig() {
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const root = (window.KefinTweaksConfig && window.KefinTweaksConfig.thumbnailScrubber) || {};
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const previewOnHover = root.PreviewOnHover === true;
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// Hover start delay (ms) - prefer HOVER_PREVIEW_TIMEOUT_MS, fall back to legacy HOVER_TIMEOUT.
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const hoverDelayRaw = root.HOVER_PREVIEW_TIMEOUT_MS != null ? root.HOVER_PREVIEW_TIMEOUT_MS : root.HOVER_TIMEOUT;
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const hoverTimeoutMs = Number.isFinite(hoverDelayRaw * 1)
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? Math.max(0, hoverDelayRaw * 1)
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: HOVER_PREVIEW_DEFAULT_TIMEOUT_MS;
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// Scrub activation delay override (ms) - fall back to default constant.
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const scrubDelayRaw = root.SCRUB_ACTIVATION_DELAY_MS;
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const scrubActivationDelayMs = Number.isFinite(scrubDelayRaw * 1) && scrubDelayRaw >= 0
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? scrubDelayRaw * 1
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: SCRUB_ACTIVATION_DELAY_MS;
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// Optional override for hover preview frame speed (ms between frames).
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const hoverPreviewFrameMs = Number.isFinite(root.HOVER_PREVIEW_FRAME_MS * 1) && root.HOVER_PREVIEW_FRAME_MS > 0
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? root.HOVER_PREVIEW_FRAME_MS * 1
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: null;
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return {
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previewOnHover: previewOnHover ?? HOVER_PREVIEW_DEFAULT_ENABLED,
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hoverTimeoutMs,
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scrubActivationDelayMs,
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hoverPreviewFrameMs
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};
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}
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function isHoverPreviewEnabled() {
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try {
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return !!getThumbnailScrubberConfig().previewOnHover;
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} catch (e) {
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WARN('Error reading hover preview config', e);
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return HOVER_PREVIEW_DEFAULT_ENABLED;
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}
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}
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function getHoverPreviewTimeoutMs() {
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try {
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return getThumbnailScrubberConfig().hoverTimeoutMs || HOVER_PREVIEW_DEFAULT_TIMEOUT_MS;
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} catch (e) {
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WARN('Error reading hover timeout config', e);
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return HOVER_PREVIEW_DEFAULT_TIMEOUT_MS;
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}
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}
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function getHoverPreviewFrameIntervalMs() {
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try {
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const cfg = getThumbnailScrubberConfig();
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return cfg.hoverPreviewFrameMs || HOVER_PREVIEW_DEFAULT_FRAME_MS;
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} catch (e) {
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WARN('Error reading hover frame interval config', e);
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return null;
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}
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}
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function getScrubActivationDelayMs() {
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try {
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return getThumbnailScrubberConfig().scrubActivationDelayMs || SCRUB_ACTIVATION_DELAY_MS;
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} catch (e) {
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WARN('Error reading scrub activation delay config', e);
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return SCRUB_ACTIVATION_DELAY_MS;
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}
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}
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/**
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* Format positionTicks as running time (MM:SS or HH:MM:SS).
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* Uses Jellyfin's datetime.getDisplayRunningTime if available.
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*/
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function formatRunningTime(positionTicks) {
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if (typeof datetime !== 'undefined' && typeof datetime.getDisplayRunningTime === 'function') {
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return datetime.getDisplayRunningTime(positionTicks);
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}
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const totalMs = Math.floor(positionTicks / TICKS_PER_MS);
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const totalSeconds = Math.floor(totalMs / 1000);
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const hours = Math.floor(totalSeconds / 3600);
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const minutes = Math.floor((totalSeconds % 3600) / 60);
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const seconds = totalSeconds % 60;
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if (hours > 0) {
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return `${hours}:${String(minutes).padStart(2, '0')}:${String(seconds).padStart(2, '0')}`;
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}
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return `${minutes}:${String(seconds).padStart(2, '0')}`;
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}
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/**
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* Check if item is video and has runtime (we need RunTimeTicks for scrub).
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* Returns { eligible: boolean, reason?: string } for logging.
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*/
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function checkEligibleCard(card) {
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let id = card.getAttribute('data-id');
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let type = card.getAttribute('data-type');
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if (!id) {
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if (card.parentElement.classList.contains('detailImageContainer')) {
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// If the card is a .detailImageContainer, we need to get the itemId from the page's Play button
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const detailPagePrimaryContainer = card.closest('.detailPagePrimaryContainer');
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if (detailPagePrimaryContainer) {
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const playStateButton = detailPagePrimaryContainer.querySelector('.btnPlaystate');
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if (playStateButton) {
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id = playStateButton.getAttribute('data-id');
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type = playStateButton.getAttribute('data-type');
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}
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}
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}
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}
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if (!id) return { eligible: false, reason: 'no data-id' };
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const isVideoType = VIDEO_TYPES.includes(type);
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if (!isVideoType) {
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return { eligible: false, reason: `not video (type=${type})` };
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}
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return { eligible: true };
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}
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function isEligibleCard(card) {
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return checkEligibleCard(card).eligible;
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}
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/**
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* Resolve the scrubber "card" context from an element (e.target or e.relatedTarget).
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* Returns { card, cardImageContainer, itemId } if the element is inside an eligible card within
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* .itemsContainer or .detailImageContainer; otherwise null.
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*/
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function resolveCardFromElement(element) {
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if (!element || !element.closest) return null;
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const card = element.closest('.card');
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if (!card) return null;
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const container = card.closest('.itemsContainer') || card.closest('.detailImageContainer');
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if (!container) return null;
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if (!isEligibleCard(card)) return null;
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const cardImageContainer = card.querySelector('.cardImageContainer');
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if (!cardImageContainer) return null;
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let itemId = card.getAttribute('data-id');
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if (!itemId && card.parentElement && card.parentElement.classList.contains('detailImageContainer')) {
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const detailPagePrimaryContainer = card.closest('.detailPagePrimaryContainer');
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if (detailPagePrimaryContainer) {
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const playStateButton = detailPagePrimaryContainer.querySelector('.btnPlaystate');
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if (playStateButton) itemId = playStateButton.getAttribute('data-id');
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}
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}
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if (!itemId) return null;
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return { card, cardImageContainer, itemId };
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}
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/**
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* Extract trickplay info object from item.Trickplay.
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* Item.Trickplay can be the info object directly, or nested e.g. Trickplay[mediaSourceId][width] = { Width, Height, Interval, ... }.
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*/
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function getTrickplayInfoFromItem(item) {
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const raw = item.Trickplay;
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if (!raw || typeof raw !== 'object') return null;
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// Already a flat info object (has Width/Interval etc.)
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if (typeof raw.Width !== 'undefined' && typeof raw.Interval !== 'undefined') {
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return raw;
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}
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// Nested: first key (e.g. mediaSourceId) -> second key (e.g. width) -> info
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const firstKey = Object.keys(raw)[0];
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if (!firstKey) return null;
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const inner = raw[firstKey];
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if (!inner || typeof inner !== 'object') return null;
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if (typeof inner.Width !== 'undefined' && typeof inner.Interval !== 'undefined') {
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return inner;
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}
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const secondKey = Object.keys(inner)[0];
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if (!secondKey) return null;
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const info = inner[secondKey];
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if (info && typeof info.Width !== 'undefined' && typeof info.Interval !== 'undefined') {
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return info;
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}
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return null;
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}
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/**
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* Fetch item to get RunTimeTicks, MediaSourceId, and Trickplay.
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*/
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async function fetchItem(itemId) {
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if (typeof ApiClient === 'undefined' || !ApiClient.getItem) {
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LOG('fetchItem: ApiClient unavailable');
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return null;
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}
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const userId = ApiClient.getCurrentUserId();
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if (!userId) {
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LOG('fetchItem: no userId', itemId);
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return null;
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}
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try {
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LOG('fetchItem: requesting', itemId);
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const item = await ApiClient.getItem(userId, itemId);
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LOG('fetchItem: got item', itemId, item ? (item.RunTimeTicks ? 'has RunTimeTicks' : 'no RunTimeTicks') : 'null');
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return item;
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} catch (e) {
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WARN('fetchItem failed', itemId, e);
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return null;
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}
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}
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/**
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* Get or populate scrubber data for an item. Uses only the item response (RunTimeTicks, MediaSourceId, Trickplay).
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*/
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async function getScrubberData(itemId) {
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if (trickPlayMap.has(itemId)) {
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LOG('getScrubberData: cache hit', itemId);
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return trickPlayMap.get(itemId);
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}
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LOG('getScrubberData: cache miss, fetching item', itemId);
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const item = await fetchItem(itemId);
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if (!item || !item.RunTimeTicks || item.RunTimeTicks <= 0) {
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LOG('getScrubberData: no item or RunTimeTicks', itemId);
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return null;
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}
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const mediaSourceId = item.MediaSourceId || item.Id;
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const trickplayInfo = getTrickplayInfoFromItem(item);
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if (!trickplayInfo) {
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LOG('getScrubberData: no Trickplay on item', itemId);
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return null;
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}
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LOG('getScrubberData: Trickplay from item', itemId, 'mediaSourceId=', mediaSourceId, 'interval=', trickplayInfo.Interval);
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const data = {
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runTimeTicks: item.RunTimeTicks,
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trickplayInfo,
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mediaSourceId,
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item
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};
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trickPlayMap.set(itemId, data);
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LOG('getScrubberData: cached', itemId, 'runTimeTicks=', data.runTimeTicks);
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return data;
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}
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/**
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* Compute trickplay tile index and background position from positionTicks.
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* Matches Jellyfin's updateTrickplayBubbleHtml tile math.
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* When containerWidth and containerHeight are provided and > 0, returns scaled backgroundSize and position
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* so one tile exactly fills the container; otherwise returns position in source pixels (backgroundSize left to call site).
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*/
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function getTrickplayStyle(apiClient, itemId, trickplayInfo, mediaSourceId, positionTicks, containerWidth, containerHeight) {
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const interval = trickplayInfo.Interval || 10000;
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const width = trickplayInfo.Width || 320;
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const height = trickplayInfo.Height || 180;
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const tileWidth = trickplayInfo.TileWidth || 10;
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const tileHeight = trickplayInfo.TileHeight || 10;
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const currentTimeMs = positionTicks / TICKS_PER_MS;
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const currentTile = Math.floor(currentTimeMs / interval);
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const tileSize = tileWidth * tileHeight;
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const index = Math.floor(currentTile / tileSize);
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const tileOffset = currentTile % tileSize;
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const tileOffsetX = tileOffset % tileWidth;
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const tileOffsetY = Math.floor(tileOffset / tileWidth);
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const imgSrc = apiClient.getUrl('Videos/' + itemId + '/Trickplay/' + width + '/' + index + '.jpg', {
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ApiKey: apiClient.accessToken(),
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MediaSourceId: mediaSourceId
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});
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const useScaled = containerWidth > 0 && containerHeight > 0;
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if (useScaled) {
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const backgroundSize = (tileWidth * containerWidth) + 'px ' + (tileHeight * containerHeight) + 'px';
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const backgroundPositionX = -(tileOffsetX * containerWidth) + 'px';
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const backgroundPositionY = -(tileOffsetY * containerHeight) + 'px';
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return {
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backgroundImage: `url('${imgSrc}')`,
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backgroundPositionX,
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backgroundPositionY,
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backgroundSize,
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width: width + 'px',
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height: height + 'px'
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};
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}
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const offsetX = -(tileOffsetX * width);
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const offsetY = -(tileOffsetY * height);
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return {
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backgroundImage: `url('${imgSrc}')`,
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backgroundPositionX: offsetX + 'px',
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backgroundPositionY: offsetY + 'px',
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width: width + 'px',
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height: height + 'px'
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};
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}
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/**
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* Estimate positionTicks from mouse X as fraction of card width and item runTimeTicks.
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*/
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function positionTicksFromCard(card, clientX, runTimeTicks) {
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const rect = card.getBoundingClientRect();
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const fraction = Math.max(0, Math.min(1, (clientX - rect.left) / rect.width));
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return Math.floor(fraction * runTimeTicks);
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}
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/**
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* True if pointer is in the bottom SCRUB_ZONE_HEIGHT_PX of the given element (e.g. cardImageContainer).
|
|
* Only the area up to the element's bottom edge is considered; below that is not in zone.
|
|
* Use cardImageContainer so the zone does not extend into card content below the image.
|
|
*/
|
|
function isInScrubZone(containerElement, clientY) {
|
|
if (!containerElement) return false;
|
|
const rect = containerElement.getBoundingClientRect();
|
|
return clientY >= rect.bottom - SCRUB_ZONE_HEIGHT_PX && clientY <= rect.bottom;
|
|
}
|
|
|
|
/**
|
|
* Create or return existing scrubber overlay as a sibling of .cardOverlayContainer (so it appears above it).
|
|
* Structure: overlay > progressWrap > progressTrack > progressFill; preview > chapterThumbWrapper + timestamp.
|
|
*/
|
|
function getOrCreateScrubberOverlay(cardImageContainer) {
|
|
const parent = cardImageContainer.parentNode;
|
|
if (!parent) return null;
|
|
|
|
let overlay = parent.querySelector('.kefin-scrubber-overlay');
|
|
if (overlay) return overlay;
|
|
|
|
overlay = document.createElement('div');
|
|
overlay.className = 'kefin-scrubber-overlay';
|
|
|
|
const progressWrap = document.createElement('div');
|
|
progressWrap.className = 'kefin-scrubber-progress-wrap';
|
|
|
|
const progressTrack = document.createElement('div');
|
|
progressTrack.className = 'kefin-scrubber-progress-track';
|
|
|
|
const progressFill = document.createElement('div');
|
|
progressFill.className = 'kefin-scrubber-progress-fill';
|
|
|
|
progressTrack.appendChild(progressFill);
|
|
progressWrap.appendChild(progressTrack);
|
|
overlay.appendChild(progressWrap);
|
|
|
|
const popover = document.createElement('div');
|
|
popover.className = 'kefin-scrubber-popover';
|
|
popover.style.display = 'none';
|
|
const optPlay = document.createElement('button');
|
|
optPlay.type = 'button';
|
|
optPlay.className = 'kefin-scrubber-popover-option';
|
|
optPlay.textContent = 'Play From Here';
|
|
const optResume = document.createElement('button');
|
|
optResume.type = 'button';
|
|
optResume.className = 'kefin-scrubber-popover-option';
|
|
optResume.textContent = 'Set Resume Position';
|
|
popover.appendChild(optPlay);
|
|
popover.appendChild(optResume);
|
|
progressWrap.appendChild(popover);
|
|
|
|
overlay._progressWrap = progressWrap;
|
|
overlay._popover = popover;
|
|
|
|
const preview = document.createElement('div');
|
|
preview.className = 'kefin-scrubber-preview';
|
|
|
|
const chapterThumbWrapper = document.createElement('div');
|
|
chapterThumbWrapper.className = 'kefin-scrubber-chapterThumbWrapper';
|
|
|
|
const timestampEl = document.createElement('div');
|
|
timestampEl.className = 'kefin-scrubber-timestamp';
|
|
|
|
preview.appendChild(chapterThumbWrapper);
|
|
preview.appendChild(timestampEl);
|
|
overlay.appendChild(preview);
|
|
|
|
const cardOverlayContainer = parent.querySelector('.cardOverlayContainer');
|
|
if (cardOverlayContainer) {
|
|
parent.insertBefore(overlay, cardOverlayContainer);
|
|
} else {
|
|
parent.appendChild(overlay);
|
|
}
|
|
/* if (!parent.style.position || parent.style.position === 'static') {
|
|
parent.style.position = 'relative';
|
|
} */
|
|
|
|
overlay._progressTrack = progressTrack;
|
|
overlay._progressFill = progressFill;
|
|
overlay._preview = preview;
|
|
overlay._chapterThumbWrapper = chapterThumbWrapper;
|
|
overlay._timestampEl = timestampEl;
|
|
return overlay;
|
|
}
|
|
|
|
/**
|
|
* Position preview (thumb + timestamp) so thumb is centered above cursor but clamped to card width.
|
|
*/
|
|
function positionPreview(previewEl, thumbWidth, cardRect, clientX) {
|
|
const cardPadding = 10;
|
|
const half = thumbWidth / 2;
|
|
let left = clientX - cardRect.left - half;
|
|
left = Math.max(cardPadding, Math.min(left, cardRect.width - thumbWidth - (cardPadding * 2)));
|
|
previewEl.style.left = left + 'px';
|
|
previewEl.style.right = 'auto';
|
|
previewEl.style.width = thumbWidth + 'px';
|
|
}
|
|
|
|
/**
|
|
* Update or create the innerCardFooter progress bar on the card image.
|
|
* fraction is 0..1 of total runtime.
|
|
*/
|
|
function updateCardResumeFooter(card, fraction) {
|
|
if (!card) return;
|
|
const cardImageContainer = card.querySelector('.cardImageContainer');
|
|
if (!cardImageContainer) return;
|
|
|
|
const clamped = Math.max(0, Math.min(1, fraction || 0));
|
|
const widthPercent = (clamped * 100).toFixed(4) + '%';
|
|
|
|
let footer = cardImageContainer.querySelector('.innerCardFooter');
|
|
if (!footer) {
|
|
footer = document.createElement('div');
|
|
footer.className = 'innerCardFooter fullInnerCardFooter innerCardFooterClear';
|
|
|
|
const bar = document.createElement('div');
|
|
bar.className = 'itemProgressBar';
|
|
|
|
const barFg = document.createElement('div');
|
|
barFg.className = 'itemProgressBarForeground';
|
|
|
|
bar.appendChild(barFg);
|
|
footer.appendChild(bar);
|
|
cardImageContainer.appendChild(footer);
|
|
}
|
|
|
|
const barFg = footer.querySelector('.itemProgressBarForeground');
|
|
if (barFg) {
|
|
barFg.style.width = widthPercent;
|
|
}
|
|
}
|
|
|
|
/** Fraction 0..1 from clientX relative to the visible progress track (for time/thumb). */
|
|
function getScrubFraction(card, clientX) {
|
|
if (!card) return 0;
|
|
const rect = card.getBoundingClientRect();
|
|
const barWidth = rect.width * (PROGRESS_BAR_WIDTH_PERCENT / 100);
|
|
const barLeft = rect.left + (rect.width - barWidth) / 2;
|
|
return Math.max(0, Math.min(1, (clientX - barLeft) / barWidth));
|
|
}
|
|
|
|
/** Fill the progress bar visually up to the cursor using the track's actual rect. */
|
|
function getProgressFillFraction(overlay, clientX) {
|
|
if (!overlay || !overlay._progressTrack) return 0;
|
|
const trackRect = overlay._progressTrack.getBoundingClientRect();
|
|
if (trackRect.width <= 0) return 0;
|
|
return Math.max(0, Math.min(1, (clientX - trackRect.left) / trackRect.width));
|
|
}
|
|
|
|
/**
|
|
* Update scrubber UI (progress fill, timestamp, thumb position, trickplay image).
|
|
* When popover is open, uses frozen _popoverClientX/_popoverClientY so position stays fixed.
|
|
* state: { card, cardImageContainer, itemId, overlay, scrubberData }
|
|
*/
|
|
function updateUI(state, clientX, clientY) {
|
|
if (!state || !state.overlay) return;
|
|
const { card, cardImageContainer, itemId, overlay, scrubberData } = state;
|
|
|
|
if (overlay._popoverOpen && overlay._popoverClientX != null) {
|
|
clientX = overlay._popoverClientX;
|
|
clientY = overlay._popoverClientY;
|
|
}
|
|
|
|
const rect = card.getBoundingClientRect();
|
|
const fraction = getScrubFraction(card, clientX);
|
|
|
|
const thumbWidth = Math.max(PREVIEW_WIDTH_MIN_PX, Math.round(rect.width * PREVIEW_WIDTH_PERCENT));
|
|
const thumbHeight = Math.round(thumbWidth / PREVIEW_ASPECT);
|
|
|
|
overlay._chapterThumbWrapper.style.width = thumbWidth + 'px';
|
|
overlay._chapterThumbWrapper.style.height = thumbHeight + 'px';
|
|
|
|
const fillFraction = getProgressFillFraction(overlay, clientX);
|
|
overlay._progressFill.style.width = (fillFraction * 100) + '%';
|
|
|
|
const runTimeTicks = scrubberData ? scrubberData.runTimeTicks : 0;
|
|
const positionTicks = Math.floor(fraction * runTimeTicks);
|
|
|
|
overlay._timestampEl.textContent = runTimeTicks ? formatRunningTime(positionTicks) : '0:00';
|
|
|
|
positionPreview(overlay._preview, thumbWidth, rect, clientX);
|
|
|
|
if (scrubberData && typeof ApiClient !== 'undefined') {
|
|
const cw = thumbWidth;
|
|
const ch = thumbHeight;
|
|
const style = getTrickplayStyle(
|
|
ApiClient,
|
|
itemId,
|
|
scrubberData.trickplayInfo,
|
|
scrubberData.mediaSourceId,
|
|
positionTicks,
|
|
cw,
|
|
ch
|
|
);
|
|
overlay._chapterThumbWrapper.style.backgroundImage = style.backgroundImage;
|
|
overlay._chapterThumbWrapper.style.backgroundPositionX = style.backgroundPositionX;
|
|
overlay._chapterThumbWrapper.style.backgroundPositionY = style.backgroundPositionY;
|
|
overlay._chapterThumbWrapper.style.backgroundSize = style.backgroundSize != null ? style.backgroundSize : 'auto';
|
|
}
|
|
}
|
|
|
|
function clearActivationTimer() {
|
|
if (currentCardState && currentCardState.activationTimer) {
|
|
clearTimeout(currentCardState.activationTimer);
|
|
currentCardState.activationTimer = null;
|
|
}
|
|
}
|
|
|
|
function hidePopoverState() {
|
|
if (currentCardState && currentCardState.overlay && currentCardState.overlay._popover) {
|
|
const overlay = currentCardState.overlay;
|
|
overlay._popover.style.display = 'none';
|
|
overlay._popoverOpen = false;
|
|
overlay.classList.remove('is-popover-open');
|
|
overlay._popoverClientX = null;
|
|
overlay._popoverClientY = null;
|
|
}
|
|
}
|
|
|
|
function collapseZone() {
|
|
if (currentCardState && currentCardState.overlay) {
|
|
const overlay = currentCardState.overlay;
|
|
overlay.classList.remove('is-zone-active');
|
|
if (overlay._progressFill) overlay._progressFill.style.width = '0%';
|
|
}
|
|
}
|
|
|
|
function stopHoverPreview() {
|
|
if (!currentCardState) return;
|
|
const state = currentCardState;
|
|
if (state.hoverPreviewTimer) {
|
|
clearTimeout(state.hoverPreviewTimer);
|
|
state.hoverPreviewTimer = null;
|
|
}
|
|
state.hoverPreviewRunning = false;
|
|
if (hoverPreviewRafId != null) {
|
|
cancelAnimationFrame(hoverPreviewRafId);
|
|
hoverPreviewRafId = null;
|
|
}
|
|
if (hoverPreviewIntervalId != null) {
|
|
clearInterval(hoverPreviewIntervalId);
|
|
hoverPreviewIntervalId = null;
|
|
}
|
|
if (state.cardImageContainer) {
|
|
const box = state.cardImageContainer.querySelector('.kefin-hover-preview-box');
|
|
if (box && box._frame) {
|
|
box._frame.style.backgroundImage = '';
|
|
box._frame.style.backgroundPositionX = '';
|
|
box._frame.style.backgroundPositionY = '';
|
|
box._frame.style.backgroundSize = '';
|
|
}
|
|
if (box) {
|
|
box.style.height = '';
|
|
box.style.width = '';
|
|
}
|
|
}
|
|
}
|
|
|
|
function teardown() {
|
|
if (!currentCardState) return;
|
|
clearActivationTimer();
|
|
stopHoverPreview();
|
|
if (currentCardState.overlay) {
|
|
const overlay = currentCardState.overlay;
|
|
overlay.classList.remove('is-visible', 'is-zone-active', 'is-popover-open');
|
|
if (overlay._progressFill) overlay._progressFill.style.width = '0%';
|
|
overlay._popoverOpen = false;
|
|
if (overlay._popover) overlay._popover.style.display = 'none';
|
|
}
|
|
currentCardState = null;
|
|
if (rafId != null) {
|
|
cancelAnimationFrame(rafId);
|
|
rafId = null;
|
|
}
|
|
}
|
|
|
|
function startHoverPreviewLoop() {
|
|
if (!currentCardState || !currentCardState.hoverPreviewRunning || !currentCardState.scrubberData) {
|
|
hoverPreviewRafId = null;
|
|
return;
|
|
}
|
|
|
|
const state = currentCardState;
|
|
const data = state.scrubberData;
|
|
const container = state.cardImageContainer;
|
|
if (!container || typeof ApiClient === 'undefined') {
|
|
state.hoverPreviewRunning = false;
|
|
hoverPreviewRafId = null;
|
|
return;
|
|
}
|
|
|
|
const runTimeTicks = data.runTimeTicks || 0;
|
|
if (runTimeTicks <= 0) {
|
|
state.hoverPreviewRunning = false;
|
|
hoverPreviewRafId = null;
|
|
return;
|
|
}
|
|
|
|
// Base trickplay interval (ms) comes from server metadata.
|
|
const baseIntervalMs = data.trickplayInfo && data.trickplayInfo.Interval ? data.trickplayInfo.Interval : 10000;
|
|
|
|
// Optional override from config for hover preview speed (ms between frames).
|
|
const configuredIntervalMs = getHoverPreviewFrameIntervalMs();
|
|
|
|
// Draw initial frame immediately at current positionTicks using original trickplay aspect ratio.
|
|
const renderFrame = () => {
|
|
if (!currentCardState || !currentCardState.hoverPreviewRunning || currentCardState.card !== state.card) {
|
|
return;
|
|
}
|
|
|
|
const rect = container.getBoundingClientRect();
|
|
const cw = rect.width || 0;
|
|
// Maintain trickplay aspect ratio (16:9 by default) regardless of poster aspect.
|
|
const ch = Math.round(cw / PREVIEW_ASPECT) || 0;
|
|
|
|
// Create or reuse a clipped hover preview box inside the card image.
|
|
let box = container.querySelector('.kefin-hover-preview-box');
|
|
if (!box) {
|
|
box = document.createElement('div');
|
|
box.className = 'kefin-hover-preview-box';
|
|
const frame = document.createElement('div');
|
|
frame.className = 'kefin-hover-preview-frame';
|
|
box.appendChild(frame);
|
|
box._frame = frame;
|
|
container.appendChild(box);
|
|
}
|
|
const frameEl = box._frame || box.firstElementChild || box;
|
|
|
|
box.style.width = cw + 'px';
|
|
box.style.height = ch + 'px';
|
|
|
|
const positionTicks = state.hoverPreviewPositionTicks || 0;
|
|
|
|
const style = getTrickplayStyle(
|
|
ApiClient,
|
|
state.itemId,
|
|
data.trickplayInfo,
|
|
data.mediaSourceId,
|
|
positionTicks,
|
|
cw,
|
|
ch
|
|
);
|
|
|
|
frameEl.style.backgroundImage = style.backgroundImage;
|
|
frameEl.style.backgroundPositionX = style.backgroundPositionX;
|
|
frameEl.style.backgroundPositionY = style.backgroundPositionY;
|
|
frameEl.style.backgroundSize = style.backgroundSize != null ? style.backgroundSize : 'auto';
|
|
};
|
|
|
|
// Initial draw
|
|
renderFrame();
|
|
|
|
// Clear any previous interval to avoid duplicates
|
|
if (hoverPreviewIntervalId != null) {
|
|
clearInterval(hoverPreviewIntervalId);
|
|
hoverPreviewIntervalId = null;
|
|
}
|
|
|
|
// Advance exactly one tile per tick, using the base trickplay interval for distance in ticks
|
|
// so we always land on real trickplay frame boundaries, even if the visual speed is overridden.
|
|
hoverPreviewIntervalId = setInterval(() => {
|
|
if (!currentCardState || !currentCardState.hoverPreviewRunning || currentCardState.card !== state.card) {
|
|
clearInterval(hoverPreviewIntervalId);
|
|
hoverPreviewIntervalId = null;
|
|
return;
|
|
}
|
|
|
|
const advanceTicks = baseIntervalMs * TICKS_PER_MS;
|
|
const currentTicks = (state.hoverPreviewPositionTicks || 0) + advanceTicks;
|
|
const wrappedTicks = currentTicks % runTimeTicks;
|
|
state.hoverPreviewPositionTicks = wrappedTicks;
|
|
|
|
renderFrame();
|
|
}, configuredIntervalMs);
|
|
}
|
|
|
|
async function ensureScrubberDataForHover(state) {
|
|
if (!state) return;
|
|
if (state.scrubberData) return;
|
|
const data = await getScrubberData(state.itemId);
|
|
if (!data) {
|
|
if (state.overlay) {
|
|
state.overlay.setAttribute('data-no-trickplay', 'true');
|
|
state.overlay.classList.remove('is-visible', 'is-zone-active');
|
|
}
|
|
return;
|
|
}
|
|
state.scrubberData = data;
|
|
}
|
|
|
|
async function maybeStartHoverPreview() {
|
|
if (!currentCardState || !isHoverPreviewEnabled()) return;
|
|
const state = currentCardState;
|
|
if (state.hoverPreviewRunning || state.hoverPreviewTimer) return;
|
|
|
|
const timeoutMs = getHoverPreviewTimeoutMs();
|
|
const timeout = timeoutMs < 0 ? 0 : timeoutMs;
|
|
|
|
state.hoverPreviewTimer = setTimeout(async () => {
|
|
state.hoverPreviewTimer = null;
|
|
if (!currentCardState || currentCardState.card !== state.card) return;
|
|
await ensureScrubberDataForHover(state);
|
|
if (!currentCardState || currentCardState.card !== state.card) return;
|
|
state.hoverPreviewRunning = true;
|
|
state.hoverPreviewLastTs = performance.now();
|
|
// Start from card's data-positionticks when available, otherwise from 0.
|
|
const posAttr = state.card && state.card.getAttribute
|
|
? state.card.getAttribute('data-positionticks')
|
|
: null;
|
|
const startTicks = posAttr && !Number.isNaN(Number(posAttr))
|
|
? Number(posAttr)
|
|
: 0;
|
|
state.hoverPreviewPositionTicks = startTicks;
|
|
state.hoverPreviewFrameAccumMs = 0;
|
|
startHoverPreviewLoop();
|
|
}, timeout);
|
|
}
|
|
|
|
function attachCard(ctx) {
|
|
if (!ctx) return;
|
|
const overlay = getOrCreateScrubberOverlay(ctx.cardImageContainer);
|
|
if (overlay.hasAttribute('data-no-trickplay')) return;
|
|
currentCardState = {
|
|
card: ctx.card,
|
|
cardImageContainer: ctx.cardImageContainer,
|
|
itemId: ctx.itemId,
|
|
overlay: overlay,
|
|
activationTimer: null,
|
|
scrubberData: null,
|
|
lastClientX: 0,
|
|
lastClientY: 0,
|
|
hoverPreviewTimer: null,
|
|
hoverPreviewRunning: false,
|
|
hoverPreviewLastTs: 0,
|
|
hoverPreviewPositionTicks: 0,
|
|
hoverPreviewFrameAccumMs: 0
|
|
};
|
|
overlay.classList.add('is-visible');
|
|
if (isHoverPreviewEnabled()) {
|
|
maybeStartHoverPreview();
|
|
}
|
|
}
|
|
|
|
function getDelegationRoot() {
|
|
return document.getElementById('reactRoot') || document.body;
|
|
}
|
|
|
|
function updateUIFromRAF() {
|
|
rafId = null;
|
|
if (currentCardState) {
|
|
updateUI(currentCardState, currentCardState.lastClientX, currentCardState.lastClientY);
|
|
}
|
|
}
|
|
|
|
function scheduleUIUpdate() {
|
|
if (rafId != null) return;
|
|
rafId = requestAnimationFrame(updateUIFromRAF);
|
|
}
|
|
|
|
async function activateScrubberForCurrentCard() {
|
|
if (!currentCardState) return;
|
|
const itemId = currentCardState.itemId;
|
|
const overlay = currentCardState.overlay;
|
|
LOG('activateScrubber: start', itemId);
|
|
const data = await getScrubberData(itemId);
|
|
if (!data) {
|
|
LOG('activateScrubber: no data, abort', itemId);
|
|
overlay.setAttribute('data-no-trickplay', 'true');
|
|
overlay.classList.remove('is-visible', 'is-zone-active');
|
|
return;
|
|
}
|
|
overlay.classList.add('is-zone-active');
|
|
currentCardState.scrubberData = data;
|
|
updateUI(currentCardState, currentCardState.lastClientX, currentCardState.lastClientY);
|
|
}
|
|
|
|
function showPopoverState(overlay, positionTicks, mediaSourceId, clientX, clientY) {
|
|
if (!currentCardState) return;
|
|
overlay._popover._positionTicks = positionTicks;
|
|
overlay._popover._itemId = currentCardState.itemId;
|
|
overlay._popover._mediaSourceId = mediaSourceId;
|
|
overlay._popoverClientX = clientX;
|
|
overlay._popoverClientY = clientY;
|
|
overlay._popover.style.display = 'block';
|
|
overlay._popoverOpen = true;
|
|
overlay.classList.add('is-popover-open');
|
|
}
|
|
|
|
function onDelegatedMouseOver(e) {
|
|
const ctx = resolveCardFromElement(e.target);
|
|
if (!ctx) return;
|
|
if (currentCardState && currentCardState.card === ctx.card) return;
|
|
teardown();
|
|
attachCard(ctx);
|
|
}
|
|
|
|
function onDelegatedMouseMove(e) {
|
|
const ctx = resolveCardFromElement(e.target);
|
|
if (!ctx) {
|
|
if (currentCardState) teardown();
|
|
return;
|
|
}
|
|
if (currentCardState && ctx.card !== currentCardState.card) {
|
|
teardown();
|
|
attachCard(ctx);
|
|
}
|
|
if (!currentCardState) return;
|
|
const state = currentCardState;
|
|
|
|
// Do not activate scrubber when hovering overlay action button (play, etc.)
|
|
if (e.target && e.target.closest && e.target.closest('.cardOverlayButton-br')) {
|
|
clearActivationTimer();
|
|
return;
|
|
}
|
|
|
|
state.lastClientX = e.clientX;
|
|
state.lastClientY = e.clientY;
|
|
const inZone = isInScrubZone(state.cardImageContainer, e.clientY);
|
|
const overlay = state.overlay;
|
|
|
|
if (inZone) {
|
|
// When user actively scrubs, stop passive hover preview
|
|
if (isHoverPreviewEnabled()) {
|
|
stopHoverPreview();
|
|
}
|
|
if (overlay.hasAttribute('data-no-trickplay')) return;
|
|
if (!state.activationTimer) {
|
|
const delayMs = getScrubActivationDelayMs();
|
|
state.activationTimer = setTimeout(() => {
|
|
state.activationTimer = null;
|
|
activateScrubberForCurrentCard();
|
|
}, delayMs);
|
|
}
|
|
scheduleUIUpdate();
|
|
} else {
|
|
if (!overlay._popoverOpen) {
|
|
overlay.classList.remove('is-zone-active');
|
|
if (overlay._progressFill) overlay._progressFill.style.width = '0%';
|
|
}
|
|
if (!overlay._popoverOpen) clearActivationTimer();
|
|
|
|
// Outside scrub zone but still on card - ensure hover preview timer is running
|
|
if (isHoverPreviewEnabled() && !state.hoverPreviewRunning && !state.hoverPreviewTimer) {
|
|
maybeStartHoverPreview();
|
|
}
|
|
}
|
|
}
|
|
|
|
function onDelegatedMouseOut(e) {
|
|
const related = resolveCardFromElement(e.relatedTarget);
|
|
if (related) return;
|
|
teardown();
|
|
}
|
|
|
|
function onDelegatedClick(e) {
|
|
const ctx = resolveCardFromElement(e.target);
|
|
if (!ctx || !currentCardState || ctx.card !== currentCardState.card) return;
|
|
const overlay = currentCardState.overlay;
|
|
if (!overlay) return;
|
|
|
|
if (overlay._popoverOpen && overlay._popover && !overlay._popover.contains(e.target) && currentCardState.card.contains(e.target)) {
|
|
hidePopoverState();
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
return;
|
|
}
|
|
|
|
if (!overlay.classList.contains('is-zone-active')) return;
|
|
if (overlay._popover && overlay._popover.contains(e.target)) return;
|
|
if (!overlay.contains(e.target)) return;
|
|
if (!isInScrubZone(currentCardState.cardImageContainer, e.clientY)) return;
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
(async () => {
|
|
const itemId = currentCardState.itemId;
|
|
const clickCard = currentCardState.card;
|
|
let data = currentCardState.scrubberData;
|
|
if (!data) {
|
|
data = await getScrubberData(itemId);
|
|
if (!data) {
|
|
overlay.setAttribute('data-no-trickplay', 'true');
|
|
overlay.classList.remove('is-visible', 'is-zone-active');
|
|
return;
|
|
}
|
|
currentCardState.scrubberData = data;
|
|
}
|
|
const fraction = getScrubFraction(currentCardState.card, e.clientX);
|
|
const positionTicks = Math.floor(fraction * data.runTimeTicks);
|
|
showPopoverState(overlay, positionTicks, data.mediaSourceId, e.clientX, e.clientY);
|
|
|
|
const pop = overlay._popover;
|
|
|
|
function playFromHere() {
|
|
if (window.apiHelper && typeof window.apiHelper.playItem === 'function') {
|
|
window.apiHelper.playItem(pop._itemId, {
|
|
startPositionTicks: pop._positionTicks,
|
|
mediaSourceId: pop._mediaSourceId || undefined
|
|
}).catch(err => WARN('Play From Here failed', err));
|
|
}
|
|
}
|
|
|
|
function setResumePosition() {
|
|
const userId = typeof ApiClient !== 'undefined' && ApiClient.getCurrentUserId ? ApiClient.getCurrentUserId() : null;
|
|
if (!userId || !ApiClient || !ApiClient.serverAddress) return;
|
|
const url = `${ApiClient.serverAddress()}/Users/${userId}/Items/${pop._itemId}/UserData`;
|
|
fetch(url, {
|
|
method: 'POST',
|
|
headers: {
|
|
'Content-Type': 'application/json',
|
|
'X-Emby-Token': ApiClient.accessToken()
|
|
},
|
|
body: JSON.stringify({ PlaybackPositionTicks: pop._positionTicks })
|
|
}).then(r => {
|
|
if (!r.ok) throw new Error(r.statusText);
|
|
if (!data || !data.runTimeTicks) return;
|
|
const fraction = pop._positionTicks / data.runTimeTicks;
|
|
updateCardResumeFooter(clickCard, fraction);
|
|
}).catch(err => WARN('Set Resume Position failed', err));
|
|
}
|
|
|
|
const opts = pop.querySelectorAll('.kefin-scrubber-popover-option');
|
|
const optClick = (ev, action) => {
|
|
ev.preventDefault();
|
|
ev.stopPropagation();
|
|
hidePopoverState();
|
|
collapseZone();
|
|
action();
|
|
};
|
|
opts[0].onclick = (ev) => optClick(ev, playFromHere);
|
|
opts[1].onclick = (ev) => optClick(ev, setResumePosition);
|
|
})();
|
|
}
|
|
|
|
function init() {
|
|
const root = getDelegationRoot();
|
|
root.addEventListener('mouseover', onDelegatedMouseOver, true);
|
|
root.addEventListener('mousemove', onDelegatedMouseMove, true);
|
|
root.addEventListener('mouseout', onDelegatedMouseOut, true);
|
|
root.addEventListener('click', onDelegatedClick, true);
|
|
LOG('Initialized (event delegation)');
|
|
}
|
|
|
|
if (document.readyState === 'loading') {
|
|
document.addEventListener('DOMContentLoaded', init);
|
|
} else {
|
|
init();
|
|
}
|
|
})();
|