Files
jacuzzi/frontend/js/videos.js
2026-02-11 15:21:02 +00:00

511 lines
20 KiB
JavaScript

window.App = window.App || {};
App.videos = App.videos || {};
(function() {
const state = App.state;
const observer = new IntersectionObserver((entries) => {
if (entries[0].isIntersecting) App.videos.loadVideos();
}, {
threshold: 1.0
});
const titleEnv = {
useHoverFocus: window.matchMedia('(hover: hover) and (pointer: fine)').matches
};
const titleVisibility = new Map();
let titleObserver = null;
if (!titleEnv.useHoverFocus) {
titleObserver = new IntersectionObserver((entries) => {
entries.forEach((entry) => {
if (entry.isIntersecting) {
titleVisibility.set(entry.target, entry.intersectionRatio || 0);
} else {
titleVisibility.delete(entry.target);
entry.target.dataset.titlePrimary = '0';
updateTitleActive(entry.target);
}
});
let topCard = null;
let topRatio = 0;
titleVisibility.forEach((ratio, card) => {
if (ratio > topRatio) {
topRatio = ratio;
topCard = card;
}
});
titleVisibility.forEach((ratio, card) => {
card.dataset.titlePrimary = card === topCard && ratio >= 0.55 ? '1' : '0';
updateTitleActive(card);
});
}, {
threshold: [0, 0.25, 0.55, 0.8, 1.0]
});
}
App.videos.observeSentinel = function() {
const sentinel = document.getElementById('sentinel');
if (sentinel) {
observer.observe(sentinel);
}
};
const updateTitleActive = function(card) {
if (!card || !card.classList.contains('has-marquee')) {
if (card) card.classList.remove('is-title-active');
return;
}
const hovered = card.dataset.titleHovered === '1';
const focused = card.dataset.titleFocused === '1';
const primary = card.dataset.titlePrimary === '1';
const active = titleEnv.useHoverFocus ? (hovered || focused) : (focused || primary);
card.classList.toggle('is-title-active', active);
};
const measureTitle = function(card) {
if (!card) return;
const titleWrap = card.querySelector('.video-title');
const titleText = card.querySelector('.video-title-text');
if (!titleWrap || !titleText) return;
const overflow = titleText.scrollWidth - titleWrap.clientWidth;
if (overflow > 4) {
card.classList.add('has-marquee');
titleText.style.setProperty('--marquee-distance', `${overflow + 12}px`);
} else {
card.classList.remove('has-marquee', 'is-title-active');
titleText.style.removeProperty('--marquee-distance');
}
updateTitleActive(card);
};
let titleMeasureRaf = null;
const scheduleTitleMeasure = function() {
if (titleMeasureRaf) return;
titleMeasureRaf = requestAnimationFrame(() => {
titleMeasureRaf = null;
document.querySelectorAll('.video-card').forEach((card) => {
measureTitle(card);
});
});
};
window.addEventListener('resize', scheduleTitleMeasure);
App.videos.formatDuration = function(seconds) {
if (!seconds || seconds <= 0) return '';
const totalSeconds = Math.floor(seconds);
const hours = Math.floor(totalSeconds / 3600);
const minutes = Math.floor((totalSeconds % 3600) / 60);
const secs = totalSeconds % 60;
if (hours > 0) {
return `${hours}:${String(minutes).padStart(2, '0')}:${String(secs).padStart(2, '0')}`;
}
if (minutes > 0) {
return `${minutes}:${String(secs).padStart(2, '0')}`;
}
return `${secs}`;
};
App.videos.buildImageProxyUrl = function(imageUrl) {
if (!imageUrl) return '';
try {
return `/api/image?url=${encodeURIComponent(imageUrl)}&ts=${Date.now()}`;
} catch (err) {
return '';
}
};
App.videos.attachNoReferrerRetry = function(img) {
if (!img) return;
if (!img.dataset.originalSrc) {
img.dataset.originalSrc = img.currentSrc || img.src || '';
}
img.dataset.noReferrerRetry = '0';
img.addEventListener('error', () => {
if (img.dataset.noReferrerRetry === '1') return;
img.dataset.noReferrerRetry = '1';
img.referrerPolicy = 'no-referrer';
img.removeAttribute('crossorigin');
const original = img.dataset.originalSrc || img.currentSrc || img.src || '';
const proxyUrl = App.videos.buildImageProxyUrl(original);
if (proxyUrl) {
img.src = proxyUrl;
} else if (original) {
img.src = original;
}
});
};
// Fetches the next page of videos and renders them into the grid.
App.videos.loadVideos = async function() {
const session = App.storage.getSession();
if (!session) return;
if (state.isLoading || !state.hasNextPage) return;
const searchInput = document.getElementById('search-input');
const query = searchInput ? searchInput.value : "";
let body = {
channel: session.channel.id,
query: query || "",
page: state.currentPage,
perPage: state.perPage,
server: session.server
};
Object.entries(session.options).forEach(([key, value]) => {
if (Array.isArray(value)) {
body[key] = value.map((entry) => entry.id).join(", ");
} else if (value && value.id) {
body[key] = value.id;
}
});
try {
state.isLoading = true;
App.videos.updateLoadMoreState();
state.currentLoadController = new AbortController();
const response = await fetch('/api/videos', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(body),
signal: state.currentLoadController.signal
});
const videos = await response.json();
App.videos.renderVideos(videos);
state.hasNextPage = videos && videos.pageInfo ? videos.pageInfo.hasNextPage !== false : true;
state.currentPage++;
App.videos.ensureViewportFilled();
} catch (err) {
if (err.name !== 'AbortError') {
console.error("Failed to load videos:", err);
}
} finally {
state.isLoading = false;
state.currentLoadController = null;
App.videos.updateLoadMoreState();
}
};
// Renders new cards for videos, wiring favorites + playback behavior.
App.videos.renderVideos = function(videos) {
const grid = document.getElementById('video-grid');
if (!grid) return;
const items = videos && Array.isArray(videos.items) ? videos.items : [];
const favoritesSet = App.favorites.getSet();
items.forEach(v => {
if (state.renderedVideoIds.has(v.id)) return;
const card = document.createElement('div');
card.className = 'video-card';
const durationText = App.videos.formatDuration(v.duration);
const favoriteKey = App.favorites.getKey(v);
const uploaderText = v.uploader || '';
const tags = Array.isArray(v.tags) ? v.tags.filter(tag => tag) : [];
const tagsMarkup = tags.length
? `<div class="video-tags">${tags.map(tag => `<button class="video-tag" type="button" data-tag="${tag}">${tag}</button>`).join('')}</div>`
: '';
card.innerHTML = `
<button class="favorite-btn" type="button" aria-pressed="false" aria-label="Add to favorites" data-fav-key="${favoriteKey || ''}">♡</button>
<button class="video-menu-btn" type="button" aria-haspopup="true" aria-expanded="false" aria-label="More options">⋯</button>
<div class="video-menu" role="menu">
<button class="video-menu-item" type="button" data-action="info" role="menuitem">Show info</button>
<button class="video-menu-item" type="button" data-action="download" role="menuitem">Download</button>
</div>
<img src="${v.thumb}" alt="${v.title}">
<div class="video-loading" aria-hidden="true">
<div class="video-loading-spinner"></div>
</div>
<h4 class="video-title"><span class="video-title-text">${v.title}</span></h4>
${tagsMarkup}
${uploaderText ? `<p class="video-meta"><button class="uploader-link" type="button" data-uploader="${uploaderText}">${uploaderText}</button></p>` : ''}
${durationText ? `<p class="video-duration">${durationText}</p>` : ''}
`;
const thumb = card.querySelector('img');
App.videos.attachNoReferrerRetry(thumb);
if (thumb) {
thumb.addEventListener('load', App.videos.scheduleMasonryLayout);
}
const favoriteBtn = card.querySelector('.favorite-btn');
if (favoriteBtn && favoriteKey) {
App.favorites.setButtonState(favoriteBtn, favoritesSet.has(favoriteKey));
favoriteBtn.onclick = (event) => {
event.stopPropagation();
App.favorites.toggle(v);
};
}
const titleWrap = card.querySelector('.video-title');
const titleText = card.querySelector('.video-title-text');
if (titleWrap && titleText) {
requestAnimationFrame(() => {
measureTitle(card);
});
card.addEventListener('focusin', () => {
card.dataset.titleFocused = '1';
updateTitleActive(card);
});
card.addEventListener('focusout', () => {
card.dataset.titleFocused = '0';
updateTitleActive(card);
});
if (titleEnv.useHoverFocus) {
card.addEventListener('mouseenter', () => {
card.dataset.titleHovered = '1';
updateTitleActive(card);
});
card.addEventListener('mouseleave', () => {
card.dataset.titleHovered = '0';
updateTitleActive(card);
});
} else if (titleObserver) {
titleObserver.observe(card);
}
}
const uploaderBtn = card.querySelector('.uploader-link');
if (uploaderBtn) {
uploaderBtn.onclick = (event) => {
event.stopPropagation();
const uploader = uploaderBtn.dataset.uploader || uploaderBtn.textContent || '';
App.videos.handleSearch(uploader);
};
}
const tagButtons = card.querySelectorAll('.video-tag');
if (tagButtons.length) {
tagButtons.forEach((tagBtn) => {
tagBtn.onclick = (event) => {
event.stopPropagation();
const tag = tagBtn.dataset.tag || tagBtn.textContent || '';
App.videos.handleSearch(tag);
};
});
}
const menuBtn = card.querySelector('.video-menu-btn');
const menu = card.querySelector('.video-menu');
const showInfoBtn = card.querySelector('.video-menu-item[data-action="info"]');
const downloadBtn = card.querySelector('.video-menu-item[data-action="download"]');
if (menuBtn && menu) {
menuBtn.onclick = (event) => {
event.stopPropagation();
App.videos.toggleMenu(menu, menuBtn);
};
}
if (showInfoBtn) {
showInfoBtn.onclick = (event) => {
event.stopPropagation();
App.ui.showInfo(v);
App.videos.closeAllMenus();
};
}
if (downloadBtn) {
downloadBtn.onclick = (event) => {
event.stopPropagation();
App.videos.downloadVideo(v);
App.videos.closeAllMenus();
};
}
card.onclick = () => {
if (card.classList.contains('is-loading')) return;
card.classList.add('is-loading');
App.player.open(v, { originEl: card });
};
grid.appendChild(card);
state.renderedVideoIds.add(v.id);
});
App.videos.scheduleMasonryLayout();
App.videos.ensureViewportFilled();
};
App.videos.handleSearch = function(value) {
if (typeof value === 'string') {
const searchInput = document.getElementById('search-input');
if (searchInput && searchInput.value !== value) {
searchInput.value = value;
}
}
state.currentPage = 1;
state.hasNextPage = true;
state.renderedVideoIds.clear();
const grid = document.getElementById('video-grid');
if (grid) grid.innerHTML = "";
App.videos.updateLoadMoreState();
App.videos.loadVideos();
};
App.videos.resetAndReload = function() {
if (state.currentLoadController) {
state.currentLoadController.abort();
state.currentLoadController = null;
state.isLoading = false;
}
state.currentPage = 1;
state.hasNextPage = true;
state.renderedVideoIds.clear();
const grid = document.getElementById('video-grid');
if (grid) grid.innerHTML = "";
App.videos.updateLoadMoreState();
App.videos.loadVideos();
};
App.videos.ensureViewportFilled = function() {
if (!state.hasNextPage || state.isLoading) return;
const grid = document.getElementById('video-grid');
if (!grid) return;
const docHeight = document.documentElement.scrollHeight;
if (docHeight <= window.innerHeight + 120) {
window.setTimeout(() => App.videos.loadVideos(), 0);
}
};
let masonryRaf = null;
App.videos.scheduleMasonryLayout = function() {
if (masonryRaf) {
cancelAnimationFrame(masonryRaf);
}
masonryRaf = requestAnimationFrame(() => {
masonryRaf = null;
App.videos.applyMasonryLayout();
});
};
App.videos.applyMasonryLayout = function() {
const grid = document.getElementById('video-grid');
if (!grid) return;
const styles = window.getComputedStyle(grid);
if (styles.display !== 'grid') return;
const rowHeight = parseInt(styles.getPropertyValue('grid-auto-rows'), 10);
const rowGap = parseInt(styles.getPropertyValue('row-gap') || styles.getPropertyValue('gap'), 10) || 0;
if (!rowHeight) return;
Array.from(grid.children).forEach((item) => {
const itemHeight = item.getBoundingClientRect().height;
const span = Math.ceil((itemHeight + rowGap) / (rowHeight + rowGap));
item.style.gridRowEnd = `span ${span}`;
});
};
App.videos.updateLoadMoreState = function() {
const loadMoreBtn = document.getElementById('load-more-btn');
if (!loadMoreBtn) return;
loadMoreBtn.disabled = state.isLoading || !state.hasNextPage;
loadMoreBtn.style.display = state.hasNextPage ? 'flex' : 'none';
};
// Context menu helpers for per-card actions.
App.videos.closeAllMenus = function() {
document.querySelectorAll('.video-menu.open').forEach((menu) => {
menu.classList.remove('open');
});
document.querySelectorAll('.video-menu-btn[aria-expanded="true"]').forEach((btn) => {
btn.setAttribute('aria-expanded', 'false');
});
};
App.videos.toggleMenu = function(menu, button) {
const isOpen = menu.classList.contains('open');
App.videos.closeAllMenus();
if (!isOpen) {
menu.classList.add('open');
if (button) {
button.setAttribute('aria-expanded', 'true');
}
}
};
App.videos.coerceNumber = function(value) {
if (value === null || value === undefined) return 0;
if (typeof value === 'number') return Number.isFinite(value) ? value : 0;
if (typeof value === 'string') {
const parsed = parseFloat(value);
return Number.isFinite(parsed) ? parsed : 0;
}
return 0;
};
App.videos.pickBestFormat = function(formats) {
if (!Array.isArray(formats) || formats.length === 0) return null;
const candidates = formats.filter((fmt) => fmt && fmt.url);
if (!candidates.length) return null;
const videoCandidates = candidates.filter((fmt) => {
const videoExt = String(fmt.video_ext || '').toLowerCase();
const vcodec = String(fmt.vcodec || '').toLowerCase();
if (videoExt && videoExt !== 'none') return true;
if (vcodec && vcodec !== 'none') return true;
return false;
});
const pool = videoCandidates.length ? videoCandidates : candidates;
const score = (fmt) => {
const height = App.videos.coerceNumber(fmt.height || fmt.quality);
const width = App.videos.coerceNumber(fmt.width);
const size = height || width;
const bitrate = App.videos.coerceNumber(fmt.tbr || fmt.bitrate);
const fps = App.videos.coerceNumber(fmt.fps);
return [size, bitrate, fps];
};
return pool.reduce((best, fmt) => {
if (!best) return fmt;
const bestScore = score(best);
const curScore = score(fmt);
for (let i = 0; i < curScore.length; i++) {
if (curScore[i] > bestScore[i]) return fmt;
if (curScore[i] < bestScore[i]) return best;
}
return best;
}, null);
};
App.videos.resolveStreamSource = function(videoOrUrl) {
let sourceUrl = '';
let referer = '';
if (typeof videoOrUrl === 'string') {
sourceUrl = videoOrUrl;
} else if (videoOrUrl && typeof videoOrUrl === 'object') {
const meta = videoOrUrl.meta || videoOrUrl;
sourceUrl = meta.url || videoOrUrl.url || '';
const best = App.videos.pickBestFormat(meta.formats);
if (best && best.url) {
sourceUrl = best.url;
if (best.http_headers && (best.http_headers.Referer || best.http_headers.referer)) {
referer = best.http_headers.Referer || best.http_headers.referer;
}
}
if (!referer && meta.http_headers && (meta.http_headers.Referer || meta.http_headers.referer)) {
referer = meta.http_headers.Referer || meta.http_headers.referer;
}
}
if (!referer && sourceUrl) {
try {
referer = `${new URL(sourceUrl).origin}/`;
} catch (err) {
referer = '';
}
}
return { url: sourceUrl, referer };
};
// Builds a proxied stream URL with an optional referer parameter.
App.videos.buildStreamUrl = function(videoOrUrl) {
const resolved = App.videos.resolveStreamSource(videoOrUrl);
if (!resolved.url) return '';
const refererParam = resolved.referer ? `&referer=${encodeURIComponent(resolved.referer)}` : '';
return `/api/stream?url=${encodeURIComponent(resolved.url)}${refererParam}`;
};
App.videos.downloadVideo = function(video) {
if (!video) return;
const streamUrl = App.videos.buildStreamUrl(video);
if (!streamUrl) return;
const link = document.createElement('a');
link.href = streamUrl;
const rawName = (video.title || video.id || 'video').toString();
const safeName = rawName.replace(/[^a-z0-9]+/gi, '_').replace(/^_+|_+$/g, '').slice(0, 80);
link.download = safeName ? `${safeName}.mp4` : 'video.mp4';
document.body.appendChild(link);
link.click();
link.remove();
};
})();