mirror of
https://github.com/ranaldsgift/KefinTweaks.git
synced 2026-11-05 15:52:47 +01:00
1130 lines
40 KiB
JavaScript
1130 lines
40 KiB
JavaScript
// KefinTweaks Infinite Scroll
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// Adds infinite scrolling to media library pages (Movies, TV, Music)
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// Requires: cardBuilder.js module to be loaded before this script
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(function () {
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const RETRY_ATTEMPTS = 3;
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const RETRY_DELAY = 1000;
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// Common logging functions
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const LOG = (...args) => console.log('[KefinTweaks InfiniteScroll]', ...args);
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const WARN = (...args) => console.warn('[KefinTweaks InfiniteScroll]', ...args);
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const ERR = (...args) => console.error('[KefinTweaks InfiniteScroll]', ...args);
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LOG('Initializing...');
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// Supported pages (same as headerTabs)
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const SUPPORTED_PAGES = ['tv.html', 'movies.html', 'music.html', 'tv', 'movies', 'music', 'mixed'];
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// Media type configurations - Read from centralized config or use defaults
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const MEDIA_CONFIGS = {
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'movies.html': {
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includeItemTypes: 'Movie',
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context: 'movies',
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sortBy: 'SortName,ProductionYear'
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},
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'tv.html': {
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includeItemTypes: 'Series',
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context: 'tvshows',
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sortBy: 'SortName,ProductionYear'
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},
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'music.html': {
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includeItemTypes: 'Music',
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context: 'music',
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sortBy: 'SortName,ProductionYear'
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},
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'movies': {
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includeItemTypes: 'Movie',
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context: 'movies',
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sortBy: 'SortName,ProductionYear'
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},
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'tv': {
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includeItemTypes: 'Series',
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context: 'tvshows',
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sortBy: 'SortName,ProductionYear'
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},
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'music': {
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includeItemTypes: 'Music',
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context: 'music',
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sortBy: 'SortName,ProductionYear'
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},
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'mixed': {
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includeItemTypes: null,
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context: 'mixed',
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sortBy: 'SortName,ProductionYear'
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}
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};
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const MODERN_LIBRARY_PAGE_IDS = {
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movies: 'moviesPage',
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tv: 'tvshowsPage',
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music: 'musicPage',
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mixed: 'mixed'
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};
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let userId = null;
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const limit = 100;
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let currentPage = null;
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let currentTab = 0;
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let startIndex = 0;
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let loading = false;
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let hasMore = true;
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let totalRecordCount = null; // Track total items available from API
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let retryCount = 0;
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// scrollState removed - not needed
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let scrollTimeout = null;
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let isScrollTriggered = false; // Prevent multiple triggers
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let isRequestInProgress = false; // Blocking flag to prevent multiple simultaneous requests
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let hasInitialized = false; // Prevent multiple initializations
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let isInitializing = false; // Prevent concurrent initializations
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// # is not a normal sort prefix. Track when that bucket is finished so the next
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// page can continue at A without reusing the # offset.
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let alphaRangeKey = '';
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let hashBucketCount = null;
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// Create loading indicator element
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function createLoadingIndicator() {
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const loadingDiv = document.createElement('div');
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loadingDiv.className = 'infinite-scroll-loading';
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loadingDiv.id = 'infinite-scroll-loading-indicator';
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loadingDiv.innerHTML = `
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<div class="spinner"></div>
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<span>Loading more content...</span>
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`;
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return loadingDiv;
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}
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// Show loading indicator
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function showLoadingIndicator() {
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let loadingIndicator = document.getElementById('infinite-scroll-loading-indicator');
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if (!loadingIndicator) {
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loadingIndicator = createLoadingIndicator();
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// Find the container and append the loading indicator as a sibling
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const container = getContainer();
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if (container && container.parentNode) {
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container.parentNode.insertBefore(loadingIndicator, container.nextSibling);
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} else {
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// Fallback: append to body
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document.body.appendChild(loadingIndicator);
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}
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}
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// Show with animation
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setTimeout(() => {
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loadingIndicator.classList.add('show');
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}, 10);
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LOG('Loading indicator shown');
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}
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// Hide loading indicator
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function hideLoadingIndicator() {
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const loadingIndicator = document.getElementById('infinite-scroll-loading-indicator');
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if (loadingIndicator) {
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loadingIndicator.classList.remove('show');
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// Remove from DOM after animation
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setTimeout(() => {
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if (loadingIndicator.parentNode) {
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loadingIndicator.parentNode.removeChild(loadingIndicator);
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}
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}, 300);
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LOG('Loading indicator hidden');
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}
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}
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const COUNT_GROUPED_NUMBER = String.raw`\d{1,3}(?:[,\s\u00A0\u202F]\d{3})*|\d+`;
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const COUNT_RANGE_PATTERN = new RegExp(
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`^(${COUNT_GROUPED_NUMBER})\\s*-\\s*(${COUNT_GROUPED_NUMBER})\\s+of\\s+(${COUNT_GROUPED_NUMBER})\\s*$`
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);
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function formatItemCount(value) {
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if (value == null || value === '?') return value == null ? '' : '?';
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const digits = String(value).replace(/[,\s\u00A0\u202F]/g, '');
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const count = Number(digits);
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if (!Number.isFinite(count)) return String(value);
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return count.toLocaleString();
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}
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const MODERN_LIBRARY_PAGE_SELECTOR = '#moviesPage, #tvshowsPage, #musicPage, #mixed';
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let pagingObserver = null;
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let pagingApplyScheduled = false;
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function isInfiniteScrollEnabled() {
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return window.KefinTweaksConfig?.scripts?.infiniteScroll !== false;
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}
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function getInfiniteScrollOptions() {
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const options = window.KefinTweaksConfig?.infiniteScroll;
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if (!options || typeof options !== 'object' || Array.isArray(options)) {
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return { hidePageControls: false, onlyShowTotalItemCount: false };
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}
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return {
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hidePageControls: options.hidePageControls === true,
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onlyShowTotalItemCount: options.onlyShowTotalItemCount === true
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};
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}
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function pageControlHideCss() {
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if (!getInfiniteScrollOptions().hidePageControls) return '';
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const modernButtons = MODERN_LIBRARY_PAGE_SELECTOR
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.split(',')
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.map((page) => `${page.trim()} button[title="Previous"], ${page.trim()} button[title="Next"]`)
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.join(',\n');
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return `
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.libraryPage:not(.hide) .paging .listPaging .btnPreviousPage,
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.libraryPage:not(.hide) .paging .listPaging .btnNextPage,
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${modernButtons} {
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display: none !important;
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}
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`;
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}
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// Add CSS to hide paging controls when infinite scroll is active
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function addInfiniteScrollCSS() {
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if (!isInfiniteScrollEnabled()) {
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LOG('Infinite scroll disabled in configuration, skipping CSS addition');
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return;
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}
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const styleId = 'infinite-scroll-paging-hide';
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let style = document.getElementById(styleId);
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if (!style) {
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style = document.createElement('style');
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style.id = styleId;
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document.head.appendChild(style);
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}
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style.textContent = `
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${pageControlHideCss()}
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/* Infinite scroll loading indicator */
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.infinite-scroll-loading {
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display: flex;
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flex-direction: column;
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gap: 10px;
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justify-content: center;
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align-items: center;
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padding: 20px;
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margin: 20px 0;
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border-radius: 8px;
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font-size: 14px;
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color: #666;
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opacity: 0;
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transition: opacity 0.3s ease;
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}
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.infinite-scroll-loading.show {
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opacity: 1;
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}
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.infinite-scroll-loading .spinner {
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width: 20px;
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height: 20px;
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border: 2px solid #f3f3f3;
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border-top: 2px solid #3498db;
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border-radius: 50%;
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animation: infinite-scroll-spin 1s linear infinite;
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margin-right: 10px;
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}
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@keyframes infinite-scroll-spin {
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0% { transform: rotate(0deg); }
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100% { transform: rotate(360deg); }
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}
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`;
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LOG('Added CSS to hide paging controls for infinite scroll');
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}
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function countLabelScopes() {
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const scopes = [];
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const view = getLibraryViewRoot();
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if (view) scopes.push(view);
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const libraryPage = document.querySelector('.libraryPage:not(.hide)');
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if (libraryPage && !scopes.includes(libraryPage)) scopes.push(libraryPage);
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return scopes;
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}
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function isPagingCountLabel(el) {
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if (!el) return false;
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if (el.matches('.listPaging > span')) return true;
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if (!el.classList.contains('MuiChip-label')) return false;
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return COUNT_RANGE_PATTERN.test(String(el.textContent || '').trim())
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|| el.dataset.kefinTotalCount === 'true';
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}
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function forEachCountLabel(callback) {
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const seen = new Set();
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countLabelScopes().forEach((scope) => {
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scope.querySelectorAll('.listPaging > span, .MuiChip-label').forEach((el) => {
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if (seen.has(el) || !isPagingCountLabel(el)) return;
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seen.add(el);
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callback(el);
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});
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});
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}
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function totalFromLabel(el) {
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const match = String(el?.textContent || '').trim().match(COUNT_RANGE_PATTERN);
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if (match) return match[3];
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if (el?.dataset?.kefinTotalCount === 'true' && totalRecordCount != null) {
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return String(totalRecordCount);
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}
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return null;
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}
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function renderCountLabel(el, shownCount, total) {
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if (!el) return;
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if (getInfiniteScrollOptions().onlyShowTotalItemCount) {
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const raw = total == null || total === '?' ? totalFromLabel(el) : total;
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const next = raw == null || raw === '?' ? raw : formatItemCount(raw);
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if (!next) return;
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el.dataset.kefinTotalCount = 'true';
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if (el.textContent !== next) el.textContent = next;
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return;
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}
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if (shownCount == null || total == null) return;
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delete el.dataset.kefinTotalCount;
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el.textContent = `1-${formatItemCount(shownCount)} of ${formatItemCount(total)}`;
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}
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function applyTotalCountLabels() {
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if (!isInfiniteScrollEnabled() || !getInfiniteScrollOptions().onlyShowTotalItemCount) return;
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if (!getLibraryViewRoot()) return;
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forEachCountLabel((el) => {
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const total = totalFromLabel(el);
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if (!total) return;
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renderCountLabel(el, null, total);
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});
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}
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function scheduleApplyTotalCountLabels() {
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if (pagingApplyScheduled) return;
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pagingApplyScheduled = true;
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requestAnimationFrame(() => {
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pagingApplyScheduled = false;
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applyTotalCountLabels();
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});
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}
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function disconnectPagingObserver() {
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if (pagingObserver) {
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pagingObserver.disconnect();
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pagingObserver = null;
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}
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}
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function syncPagingPresentation() {
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addInfiniteScrollCSS();
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disconnectPagingObserver();
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if (!isInfiniteScrollEnabled() || !getInfiniteScrollOptions().onlyShowTotalItemCount) return;
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const root = getLibraryViewRoot() || document.querySelector('.libraryPage:not(.hide)');
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if (!root) return;
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applyTotalCountLabels();
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pagingObserver = new MutationObserver(() => {
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scheduleApplyTotalCountLabels();
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});
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pagingObserver.observe(root, { subtree: true, childList: true, characterData: true });
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}
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// Wait for ApiClient to be available
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function waitForApiClient() {
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return new Promise((resolve) => {
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if (typeof ApiClient !== 'undefined' && ApiClient._serverInfo && ApiClient._serverInfo.UserId) {
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LOG('ApiClient ready, userId:', ApiClient._serverInfo.UserId);
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resolve();
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} else {
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LOG('Waiting for ApiClient...');
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setTimeout(() => waitForApiClient().then(resolve), 100);
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}
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});
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}
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// Wait for cardBuilder to be available
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function waitForCardBuilder() {
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return new Promise((resolve) => {
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if (typeof window.cardBuilder !== 'undefined' && window.cardBuilder.buildCard) {
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LOG('cardBuilder ready');
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resolve();
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} else {
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LOG('Waiting for cardBuilder...');
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setTimeout(() => waitForCardBuilder().then(resolve), 100);
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}
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});
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}
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// Page detection function (same as headerTabs)
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function getCurrentPage() {
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const hash = window.location.hash;
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const hashMatches = hash.match(/#\/([^?]+)/g);
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if (!hashMatches || hashMatches.length === 0) {
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LOG('No hash matches found for:', hash);
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return null;
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}
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for (const match of hashMatches) {
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const pageFromHash = match.replace('#/', '');
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if (SUPPORTED_PAGES.includes(pageFromHash)) {
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return pageFromHash;
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}
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}
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return null;
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}
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// Get current tab index from URL
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function getCurrentTab() {
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const hash = window.location.hash;
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let searchParams = '';
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if (hash.includes('?')) {
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searchParams = hash.split('?')[1];
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} else {
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searchParams = window.location.search.substring(1);
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}
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const urlParams = new URLSearchParams(searchParams);
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const tabParam = urlParams.get('tab');
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return tabParam ? parseInt(tabParam, 10) : 0;
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}
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// State persistence functions - REMOVED
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// We don't need to store scroll state as it can cause issues with infinite scroll behavior
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function getParentId() {
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const match = window.location.hash.match(/topParentId=([^&]+)/);
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return match ? match[1] : null;
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}
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// Get current sort settings from Jellyfin's localStorage keys
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function getCurrentSortSettings() {
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const userId = ApiClient.getCurrentUserId();
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const parentId = getParentId();
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const page = getCurrentPage();
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if (!userId || !parentId || !page) {
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LOG('Missing required IDs for sort detection:', { userId, parentId, page });
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return null;
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}
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// Map page to media type
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const mediaTypeMap = {
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'movies.html': 'movies',
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'movies': 'movies',
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'tv.html': 'series',
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'tv': 'series'
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};
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const mediaType = mediaTypeMap[page];
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if (!mediaType) {
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LOG('Unsupported page for sort detection:', page);
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return null;
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}
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// Build localStorage keys
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const storageKey = `${userId}-${parentId}-${mediaType}`;
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const filterKey = `${userId}-${parentId}-${mediaType}-filter`;
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LOG('Looking for sort settings in localStorage keys:', { storageKey, filterKey });
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try {
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// Get main sort settings
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const sortData = JSON.parse(localStorage.getItem(storageKey) || '{}');
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const filterData = JSON.parse(localStorage.getItem(filterKey) || '{}');
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LOG('Found sort data:', sortData);
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LOG('Found filter data:', filterData);
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return {
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sortBy: sortData.SortBy || 'SortName,ProductionYear',
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sortOrder: sortData.SortOrder || 'Ascending',
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filters: filterData.Filters || '',
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years: filterData.Years || '',
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genres: filterData.Genres || '',
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tags: filterData.Tags || '',
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nameStartsWith: sortData.NameStartsWith || ''
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};
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} catch (error) {
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ERR('Error parsing sort settings from localStorage:', error);
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return null;
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}
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}
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function isModernLibraryUi() {
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return window.KefinTweaksUtils?.isModernUI?.() === true;
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}
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function getLibraryViewRoot() {
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const page = getCurrentPage();
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if (!page) return null;
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if (isModernLibraryUi()) {
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if (getCurrentTab() !== 0) return null;
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const pageId = MODERN_LIBRARY_PAGE_IDS[page];
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if (!pageId) return null;
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return document.getElementById(pageId);
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}
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const libraryPage = document.querySelector(".libraryPage:not(.hide)");
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if (!libraryPage) return null;
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if (page === 'tv.html' || page === 'tv') {
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return libraryPage.querySelector("#seriesTab.is-active");
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}
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if (page === 'movies.html' || page === 'movies') {
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return libraryPage.querySelector("#moviesTab.is-active");
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}
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return null;
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}
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function readSelectedAlphaPickerValue(root) {
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if (!root) return null;
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const selectedButton = root.querySelector(".alphaPickerButton-selected, .alphaPicker-fixed-right [aria-pressed='true']");
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if (!selectedButton) return null;
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const dataValue = selectedButton.getAttribute('data-value') || selectedButton.value;
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return dataValue ? dataValue : null;
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}
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// Selected letter from the side alpha picker. Jellyfin stores it as NameStartsWith.
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function getCurrentAlphaPicker() {
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const view = getLibraryViewRoot();
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const fromView = readSelectedAlphaPickerValue(view);
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if (fromView) {
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LOG('Found alpha picker selection:', fromView);
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return { value: fromView, sawPicker: true };
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}
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const libraryPage = document.querySelector(".libraryPage:not(.hide)");
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const fromPage = readSelectedAlphaPickerValue(libraryPage);
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if (fromPage) {
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LOG('Found alpha picker selection:', fromPage);
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return { value: fromPage, sawPicker: true };
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}
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const sawPicker = [view, libraryPage].some((scope) => scope?.querySelector(".alphaPickerButton, .alphaPickerRow"));
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return { value: null, sawPicker };
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}
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function primarySortField(sortBy) {
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return String(sortBy || '').split(',')[0].trim().toLowerCase();
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}
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function isSortNameSort(sortBy) {
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const field = primarySortField(sortBy);
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return field === 'sortname' || field === 'name';
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}
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function isDescendingSort(sortOrder) {
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return String(sortOrder || '').toLowerCase() === 'descending';
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}
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function nextAlphaLetter(letter) {
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const value = String(letter || '').trim().toUpperCase();
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if (value.length !== 1 || value < 'A' || value > 'Y') return null;
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|
return String.fromCharCode(value.charCodeAt(0) + 1);
|
|
}
|
|
|
|
function normalizeAlphaLetter(letter) {
|
|
const value = String(letter || '').trim();
|
|
if (value === '#') return '#';
|
|
if (/^[a-zA-Z]$/.test(value)) return value.toUpperCase();
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* Widen a selected alpha-picker letter across the rest of a SortName list.
|
|
* Ascending uses NameStartsWithOrGreater. Descending uses NameLessThan on the
|
|
* next letter, and Z drops the letter filter because the descending library
|
|
* already starts there. # stays an exact bucket until it is exhausted.
|
|
*/
|
|
function resolveAlphaQuery(nameStartsWith, sortBy, sortOrder, displayedCount) {
|
|
const letter = normalizeAlphaLetter(nameStartsWith);
|
|
const identity = [letter, sortBy, sortOrder, getParentId(), getCurrentPage(), getCurrentTab()].join('|');
|
|
if (identity !== alphaRangeKey) {
|
|
alphaRangeKey = identity;
|
|
hashBucketCount = null;
|
|
}
|
|
|
|
if (!letter || !isSortNameSort(sortBy)) {
|
|
return letter
|
|
? { mode: 'exact', startIndex: displayedCount, nameStartsWith: letter }
|
|
: { mode: 'none', startIndex: displayedCount };
|
|
}
|
|
|
|
const descending = isDescendingSort(sortOrder);
|
|
if (letter === '#') {
|
|
if (!descending && hashBucketCount != null) {
|
|
return { mode: 'after-hash', startIndex: Math.max(0, displayedCount - hashBucketCount), nameStartsWithOrGreater: 'A' };
|
|
}
|
|
return { mode: descending ? 'exact' : 'hash', startIndex: displayedCount, nameStartsWith: '#' };
|
|
}
|
|
|
|
if (!/^[A-Z]$/.test(letter)) {
|
|
return { mode: 'exact', startIndex: displayedCount, nameStartsWith: letter };
|
|
}
|
|
|
|
if (!descending) {
|
|
return { mode: 'or-greater', startIndex: displayedCount, nameStartsWithOrGreater: letter };
|
|
}
|
|
|
|
const next = nextAlphaLetter(letter);
|
|
if (!next) {
|
|
return { mode: 'unbounded', startIndex: displayedCount };
|
|
}
|
|
return { mode: 'less-than', startIndex: displayedCount, nameLessThan: next };
|
|
}
|
|
|
|
function applyAlphaQuery(apiParams, query) {
|
|
delete apiParams.NameStartsWith;
|
|
delete apiParams.NameStartsWithOrGreater;
|
|
delete apiParams.NameLessThan;
|
|
if (query.nameStartsWith) apiParams.NameStartsWith = query.nameStartsWith;
|
|
if (query.nameStartsWithOrGreater) apiParams.NameStartsWithOrGreater = query.nameStartsWithOrGreater;
|
|
if (query.nameLessThan) apiParams.NameLessThan = query.nameLessThan;
|
|
apiParams.StartIndex = query.startIndex;
|
|
}
|
|
|
|
// Get current start index based on existing items count
|
|
function getCurrentStartIndex() {
|
|
const container = getContainer();
|
|
if (!container) return 0;
|
|
|
|
const existingItemsCount = container.children.length;
|
|
LOG('Current start index based on existing items:', existingItemsCount);
|
|
|
|
return existingItemsCount;
|
|
}
|
|
|
|
// Update pagination display to show current range
|
|
function updatePaginationDisplay() {
|
|
const container = getContainer();
|
|
if (!container) return;
|
|
|
|
const currentItemsCount = container.children.length;
|
|
const totalCount = totalRecordCount || '?';
|
|
const showTotalOnly = getInfiniteScrollOptions().onlyShowTotalItemCount;
|
|
|
|
forEachCountLabel((el) => {
|
|
if (showTotalOnly) {
|
|
const total = totalCount !== '?' ? totalCount : totalFromLabel(el);
|
|
renderCountLabel(el, currentItemsCount, total);
|
|
return;
|
|
}
|
|
if (el.matches('.listPaging > span')) {
|
|
renderCountLabel(el, currentItemsCount, totalCount);
|
|
}
|
|
});
|
|
LOG('Updated pagination display:', { currentItemsCount, totalCount, showTotalOnly });
|
|
}
|
|
|
|
function getContainer() {
|
|
const activeTab = getLibraryViewRoot();
|
|
if (!activeTab) return null;
|
|
|
|
const container = activeTab.querySelector(".itemsContainer");
|
|
if (!container) return null;
|
|
|
|
return container;
|
|
}
|
|
|
|
/**
|
|
* Infer card format from existing cards in the items container.
|
|
* @param {Element} container
|
|
* @returns {string|null} 'backdrop'|'square'|'banner'|'portrait'|null
|
|
*/
|
|
function inferCardFormatFromContainer(container) {
|
|
if (!container) return null;
|
|
const existing = container.querySelector('.card');
|
|
if (!existing) return null;
|
|
|
|
if (existing.classList.contains('backdropCard') || existing.classList.contains('overflowBackdropCard')) {
|
|
return 'backdrop';
|
|
}
|
|
if (existing.classList.contains('squareCard') || existing.classList.contains('overflowSquareCard')) {
|
|
return 'square';
|
|
}
|
|
if (existing.classList.contains('bannerCard') || existing.classList.contains('overflowBannerCard')) {
|
|
return 'banner';
|
|
}
|
|
if (existing.classList.contains('portraitCard') || existing.classList.contains('overflowPortraitCard')) {
|
|
return 'portrait';
|
|
}
|
|
return null;
|
|
}
|
|
|
|
async function loadMore() {
|
|
LOG('LoadMore called:', { loading, hasMore, isRequestInProgress, isScrollTriggered });
|
|
|
|
if (loading || !hasMore || isRequestInProgress) {
|
|
LOG('LoadMore blocked:', { loading, hasMore, isRequestInProgress });
|
|
return;
|
|
}
|
|
|
|
const container = getContainer();
|
|
if (!container) {
|
|
LOG('LoadMore blocked: no eligible items container');
|
|
return;
|
|
}
|
|
if (container.children.length === 0) {
|
|
LOG('LoadMore blocked: No items in container yet (page still loading)');
|
|
return;
|
|
}
|
|
|
|
LOG('Starting loadMore request...');
|
|
loading = true;
|
|
isRequestInProgress = true;
|
|
|
|
// Show loading indicator
|
|
showLoadingIndicator();
|
|
|
|
// Wait for ApiClient to be ready
|
|
if (!userId) {
|
|
LOG('Waiting for ApiClient before loading...');
|
|
await waitForApiClient();
|
|
}
|
|
|
|
// Wait for cardBuilder to be ready
|
|
await waitForCardBuilder();
|
|
|
|
const page = getCurrentPage();
|
|
const tab = getCurrentTab();
|
|
|
|
if (!page) {
|
|
WARN("No supported page detected");
|
|
loading = false;
|
|
isRequestInProgress = false;
|
|
hideLoadingIndicator();
|
|
return;
|
|
}
|
|
|
|
const parentId = getParentId();
|
|
if (!parentId) {
|
|
WARN("No topParentId found in URL");
|
|
loading = false;
|
|
isRequestInProgress = false;
|
|
hideLoadingIndicator();
|
|
return;
|
|
}
|
|
|
|
const mediaConfig = MEDIA_CONFIGS[page];
|
|
if (!mediaConfig) {
|
|
WARN("No media configuration found for page:", page);
|
|
loading = false;
|
|
isRequestInProgress = false;
|
|
hideLoadingIndicator();
|
|
return;
|
|
}
|
|
|
|
// Double-check ApiClient is available
|
|
if (typeof ApiClient === 'undefined') {
|
|
ERR('ApiClient is not available');
|
|
loading = false;
|
|
isRequestInProgress = false;
|
|
hideLoadingIndicator();
|
|
return;
|
|
}
|
|
|
|
// Get current start index based on existing items
|
|
startIndex = getCurrentStartIndex();
|
|
|
|
// Get current sort settings from localStorage
|
|
const sortSettings = getCurrentSortSettings();
|
|
let apiParams = {
|
|
SortBy: mediaConfig.sortBy, // fallback
|
|
SortOrder: "Ascending", // fallback
|
|
Recursive: true,
|
|
Fields: "PrimaryImageAspectRatio,MediaSourceCount",
|
|
ImageTypeLimit: 1,
|
|
EnableImageTypes: "Primary,Backdrop,Banner,Thumb",
|
|
ParentId: parentId,
|
|
StartIndex: startIndex,
|
|
Limit: limit
|
|
};
|
|
if (mediaConfig.includeItemTypes) {
|
|
apiParams.IncludeItemTypes = mediaConfig.includeItemTypes;
|
|
}
|
|
|
|
// Apply detected sort settings if available
|
|
if (sortSettings) {
|
|
LOG('Using detected sort settings:', sortSettings);
|
|
apiParams.SortBy = sortSettings.sortBy;
|
|
apiParams.SortOrder = sortSettings.sortOrder;
|
|
|
|
// Add filter parameters if they exist
|
|
if (sortSettings.filters) {
|
|
apiParams.Filters = sortSettings.filters;
|
|
}
|
|
if (sortSettings.years) {
|
|
apiParams.Years = sortSettings.years;
|
|
}
|
|
if (sortSettings.genres) {
|
|
apiParams.Genres = sortSettings.genres;
|
|
}
|
|
if (sortSettings.tags) {
|
|
apiParams.Tags = sortSettings.tags;
|
|
}
|
|
} else {
|
|
LOG('Using fallback sort settings');
|
|
}
|
|
|
|
// Widen the selected letter across the rest of a SortName list.
|
|
const alphaPicker = getCurrentAlphaPicker();
|
|
const nameStartsWith = alphaPicker.value
|
|
|| (!alphaPicker.sawPicker && sortSettings?.nameStartsWith)
|
|
|| '';
|
|
let alphaQuery = resolveAlphaQuery(nameStartsWith, apiParams.SortBy, apiParams.SortOrder, startIndex);
|
|
applyAlphaQuery(apiParams, alphaQuery);
|
|
LOG('Alpha query:', alphaQuery);
|
|
|
|
try {
|
|
let fetchAnotherRange = true;
|
|
while (fetchAnotherRange) {
|
|
fetchAnotherRange = false;
|
|
const url = ApiClient.getUrl("Users/" + ApiClient.getCurrentUserId() + "/Items", apiParams);
|
|
LOG('Loading more items:', { page, tab, startIndex: alphaQuery.startIndex, limit, url, mode: alphaQuery.mode });
|
|
|
|
const result = await ApiClient.getJSON(url);
|
|
const items = result.Items || [];
|
|
const queryOffset = alphaQuery.startIndex + items.length;
|
|
|
|
if (items.length > 0) {
|
|
const container = getContainer();
|
|
if (container) {
|
|
if (typeof window.cardBuilder === 'undefined' || !window.cardBuilder.buildCard) {
|
|
ERR('cardBuilder not available or buildCard method missing');
|
|
loading = false;
|
|
isRequestInProgress = false;
|
|
hideLoadingIndicator();
|
|
return;
|
|
}
|
|
|
|
LOG('Building cards:', {
|
|
itemCount: items.length,
|
|
context: mediaConfig.context,
|
|
container: container
|
|
});
|
|
|
|
const cardFormat = inferCardFormatFromContainer(container);
|
|
const indexBase = container.children.length;
|
|
LOG('Inferred card format from container:', cardFormat);
|
|
items.forEach((item, index) => {
|
|
const card = window.cardBuilder.buildCard(item, false, cardFormat);
|
|
card.setAttribute('data-index', indexBase + index);
|
|
container.appendChild(card);
|
|
});
|
|
if (typeof window.cardBuilder.registerLazyImagesIn === 'function') {
|
|
window.cardBuilder.registerLazyImagesIn(container);
|
|
}
|
|
|
|
LOG('Cards built successfully');
|
|
}
|
|
}
|
|
|
|
// # is its own bucket. Once it is exhausted, continue at A in this same load.
|
|
if (alphaQuery.mode === 'hash') {
|
|
const hashDone = items.length === 0
|
|
|| (result.TotalRecordCount != null && queryOffset >= result.TotalRecordCount);
|
|
if (hashDone) {
|
|
hashBucketCount = queryOffset;
|
|
alphaQuery = { mode: 'after-hash', startIndex: 0, nameStartsWithOrGreater: 'A' };
|
|
applyAlphaQuery(apiParams, alphaQuery);
|
|
fetchAnotherRange = true;
|
|
LOG('Hash bucket exhausted, continuing from A');
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (result.TotalRecordCount !== undefined) {
|
|
if (alphaQuery.mode === 'after-hash' && hashBucketCount != null) {
|
|
totalRecordCount = hashBucketCount + result.TotalRecordCount;
|
|
hasMore = queryOffset < result.TotalRecordCount;
|
|
} else {
|
|
totalRecordCount = result.TotalRecordCount;
|
|
hasMore = queryOffset < totalRecordCount;
|
|
}
|
|
LOG('hasMore updated based on total count:', {
|
|
queryOffset,
|
|
totalRecordCount,
|
|
hasMore,
|
|
mode: alphaQuery.mode
|
|
});
|
|
} else {
|
|
totalRecordCount = null;
|
|
hasMore = items.length >= limit;
|
|
LOG('hasMore updated using fallback logic:', {
|
|
itemsLength: items.length,
|
|
limit,
|
|
hasMore
|
|
});
|
|
}
|
|
|
|
if (!items.length) {
|
|
hasMore = false;
|
|
LOG('No more items to load (empty result)');
|
|
}
|
|
|
|
startIndex = queryOffset;
|
|
updatePaginationDisplay();
|
|
LOG('Loaded items successfully:', {
|
|
loaded: items.length,
|
|
startIndex,
|
|
totalRecordCount,
|
|
hasMore,
|
|
mode: alphaQuery.mode
|
|
});
|
|
}
|
|
|
|
retryCount = 0;
|
|
|
|
} catch (err) {
|
|
ERR("Infinite scroll load error", err);
|
|
|
|
// Retry logic
|
|
if (retryCount < RETRY_ATTEMPTS) {
|
|
retryCount++;
|
|
WARN(`Retrying loadMore (attempt ${retryCount}/${RETRY_ATTEMPTS})`);
|
|
setTimeout(() => {
|
|
loading = false;
|
|
isRequestInProgress = false;
|
|
loadMore();
|
|
}, RETRY_DELAY * retryCount);
|
|
return;
|
|
} else {
|
|
ERR("Max retry attempts reached, giving up");
|
|
hasMore = false;
|
|
}
|
|
} finally {
|
|
loading = false;
|
|
isRequestInProgress = false;
|
|
|
|
// Hide loading indicator
|
|
hideLoadingIndicator();
|
|
}
|
|
}
|
|
|
|
function setupScrollWatcher() {
|
|
// Remove any existing scroll listener
|
|
window.removeEventListener("scroll", handleScroll);
|
|
|
|
// Add throttled scroll listener
|
|
window.addEventListener("scroll", handleScroll);
|
|
LOG('Scroll watcher setup complete');
|
|
}
|
|
|
|
function handleScroll() {
|
|
// Throttle scroll events - only check every 100ms
|
|
if (scrollTimeout) {
|
|
clearTimeout(scrollTimeout);
|
|
}
|
|
|
|
scrollTimeout = setTimeout(() => {
|
|
checkScrollPosition();
|
|
}, 100);
|
|
}
|
|
|
|
function checkScrollPosition() {
|
|
// Don't trigger if already loading, no more items, or request in progress
|
|
if (loading || !hasMore || isScrollTriggered || isRequestInProgress) {
|
|
return;
|
|
}
|
|
|
|
// Don't trigger when not on a supported page
|
|
const container = getContainer();
|
|
if (!container) {
|
|
return;
|
|
}
|
|
|
|
// Don't trigger if there are no items in the container (page still loading)
|
|
const existingItemsCount = container.children.length;
|
|
if (existingItemsCount === 0) {
|
|
LOG('Scroll check blocked: No items in container yet (page still loading)');
|
|
return;
|
|
}
|
|
|
|
const scrollTop = window.scrollY || document.documentElement.scrollTop;
|
|
const windowHeight = window.innerHeight;
|
|
const documentHeight = document.documentElement.scrollHeight;
|
|
|
|
// Calculate distance from bottom - trigger when one viewport height away
|
|
const distanceFromBottom = documentHeight - (scrollTop + windowHeight);
|
|
const triggerThreshold = windowHeight; // One viewport height from bottom
|
|
|
|
if (distanceFromBottom <= triggerThreshold) {
|
|
isScrollTriggered = true;
|
|
LOG('Triggering loadMore from scroll (one viewport height from bottom)');
|
|
loadMore().finally(() => {
|
|
// Reset trigger flag after load completes
|
|
setTimeout(() => {
|
|
isScrollTriggered = false;
|
|
LOG('Scroll trigger flag reset');
|
|
}, 1000); // Wait 1 second before allowing next trigger
|
|
});
|
|
}
|
|
}
|
|
|
|
// Reset state when navigating to a new library or tab
|
|
function reset() {
|
|
const page = getCurrentPage();
|
|
const tab = getCurrentTab();
|
|
|
|
LOG('Resetting infinite scroll state:', { page, tab });
|
|
|
|
// startIndex will be calculated dynamically based on existing items
|
|
hasMore = true;
|
|
totalRecordCount = null;
|
|
alphaRangeKey = '';
|
|
hashBucketCount = null;
|
|
loading = false;
|
|
retryCount = 0;
|
|
isScrollTriggered = false;
|
|
isRequestInProgress = false;
|
|
|
|
// Scroll state restoration removed - not needed
|
|
|
|
// Clear container if switching pages/tabs
|
|
if (currentPage !== page || currentTab !== tab) {
|
|
const container = getContainer();
|
|
if (container) {
|
|
//container.innerHTML = '';
|
|
LOG('[REMOVED] Cleared container for new page/tab');
|
|
}
|
|
hasInitialized = false; // Reset initialization flag for new page/tab
|
|
isInitializing = false; // Reset initializing flag for new page/tab
|
|
}
|
|
|
|
currentPage = page;
|
|
currentTab = tab;
|
|
}
|
|
|
|
// Check if we should initialize infinite scroll
|
|
function shouldInitialize() {
|
|
if (hasInitialized) return false;
|
|
|
|
const page = getCurrentPage();
|
|
const container = getContainer();
|
|
|
|
if (!page) {
|
|
return false;
|
|
}
|
|
|
|
if (!container) {
|
|
LOG('No active tab container found, waiting...');
|
|
return false;
|
|
}
|
|
|
|
if (page === 'tv.html' || page === 'tv' || page === 'movies.html' || page === 'movies') {
|
|
return true;
|
|
}
|
|
if (isModernLibraryUi() && (page === 'music' || page === 'mixed')) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// Initialize infinite scroll
|
|
async function initialize() {
|
|
if (hasInitialized || isInitializing) {
|
|
return;
|
|
}
|
|
|
|
LOG('Initializing infinite scroll');
|
|
isInitializing = true;
|
|
hasInitialized = true;
|
|
|
|
try {
|
|
// Add CSS to hide paging controls
|
|
addInfiniteScrollCSS();
|
|
|
|
// Wait for ApiClient to be ready
|
|
if (!userId) {
|
|
LOG('Waiting for ApiClient before initialization...');
|
|
await waitForApiClient();
|
|
}
|
|
|
|
// Wait for cardBuilder to be ready
|
|
await waitForCardBuilder();
|
|
|
|
reset();
|
|
//loadMore(); // load first page
|
|
setupScrollWatcher();
|
|
syncPagingPresentation();
|
|
} finally {
|
|
isInitializing = false;
|
|
}
|
|
}
|
|
|
|
// Scroll state loading removed - not needed
|
|
|
|
function tryInitializeFromView() {
|
|
if (shouldInitialize()) {
|
|
initialize().catch(err => ERR('Initialization failed:', err));
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function armLibraryPageInit() {
|
|
if (isInfiniteScrollEnabled()) syncPagingPresentation();
|
|
if (tryInitializeFromView()) return;
|
|
const utils = window.KefinTweaksUtils;
|
|
if (utils?.pollUntil) {
|
|
utils.pollUntil(() => (tryInitializeFromView() ? true : null), {
|
|
intervalMs: 200,
|
|
timeoutMs: 15000
|
|
});
|
|
return;
|
|
}
|
|
// Fallback brief poll
|
|
let tries = 0;
|
|
const timer = setInterval(() => {
|
|
tries += 1;
|
|
if (tryInitializeFromView() || tries >= 75) clearInterval(timer);
|
|
}, 200);
|
|
}
|
|
|
|
function startInfiniteScrollHook() {
|
|
const utils = window.KefinTweaksUtils;
|
|
if (!utils?.onViewPage) {
|
|
setTimeout(startInfiniteScrollHook, 500);
|
|
return;
|
|
}
|
|
utils.onViewPage(() => {
|
|
armLibraryPageInit();
|
|
}, { pages: SUPPORTED_PAGES });
|
|
armLibraryPageInit();
|
|
}
|
|
|
|
startInfiniteScrollHook();
|
|
|
|
// Cleanup function
|
|
function cleanup() {
|
|
window.removeEventListener("scroll", handleScroll);
|
|
disconnectPagingObserver();
|
|
if (scrollTimeout) {
|
|
clearTimeout(scrollTimeout);
|
|
}
|
|
|
|
// Remove the CSS that hides paging controls
|
|
const styleElement = document.getElementById('infinite-scroll-paging-hide');
|
|
if (styleElement) {
|
|
styleElement.remove();
|
|
LOG('Removed CSS for paging controls');
|
|
}
|
|
|
|
// Hide and remove loading indicator
|
|
hideLoadingIndicator();
|
|
|
|
LOG('Infinite scroll cleanup complete');
|
|
}
|
|
|
|
// Cleanup on page unload
|
|
window.addEventListener('beforeunload', cleanup);
|
|
|
|
LOG('Initialized successfully');
|
|
})();
|