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chromium

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Kibi Kelburton
2026-07-12 19:46:17 +02:00
parent f7a6104896
commit 2492ca8c25
2 changed files with 76 additions and 54 deletions
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119
public/s/js/f0ckm.js
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@@ -184,61 +184,69 @@ window.cancelAnimFrame = (function () {
return;
}
if (!lazyObserver) {
lazyObserver = new IntersectionObserver((entries) => {
entries.forEach(entry => {
if (entry.isIntersecting) {
const thumb = entry.target;
let bg = thumb.dataset.bg;
if (bg && !thumb.classList.contains('loaded')) {
const mode = thumb.getAttribute('data-mode');
const blurNsfw = localStorage.getItem('blurNsfw') === 'true';
const blurNsfl = localStorage.getItem('blurNsfl') === 'true';
const blurSfw = localStorage.getItem('blurSfw') === 'true';
const blurUntagged = localStorage.getItem('blurUntagged') === 'true';
let shouldBlurThis = false;
if (mode === 'nsfw') shouldBlurThis = blurNsfw;
else if (mode === 'nsfl') shouldBlurThis = blurNsfl;
else if (mode === 'sfw') shouldBlurThis = blurSfw;
else if (mode === 'null' || !mode) shouldBlurThis = blurUntagged;
if (shouldBlurThis && !thumb.classList.contains('revealed')) {
bg = bg.replace('.webp', '_blur.webp');
}
bg = window.applyThumbCacheBust(bg);
const img = new Image();
img.onload = () => {
thumb.style.backgroundImage = `url('${bg}')`;
thumb.classList.add('loaded');
thumb.classList.remove('lazy-thumb');
};
img.onerror = () => {
const retries = parseInt(thumb.dataset.retries || '0');
if (retries < 3) {
thumb.dataset.retries = retries + 1;
setTimeout(() => {
img.src = bg + '?r=' + Date.now();
}, 1000);
} else {
// All retries exhausted — show fallback for audio items
const mime = thumb.dataset.mime || '';
if (mime.startsWith('audio/')) {
thumb.style.backgroundImage = `url('/s/img/audio.webp')`;
thumb.classList.add('thumb-fallback');
}
thumb.classList.remove('lazy-thumb');
}
};
img.src = bg;
}
lazyObserver.unobserve(thumb);
}
});
}, { rootMargin: '300px 0px', threshold: 0.01 });
// Chromium fix: always disconnect the old observer before creating a new one.
// Chromium holds detached DOM nodes in an IntersectionObserver alive much longer
// than Firefox does. If we reuse a stale observer after an AJAX content swap,
// Chromium can fire callbacks for old detached nodes, causing duplicate image
// fetches and flooding the network. Disconnecting releases those references.
if (lazyObserver) {
lazyObserver.disconnect();
lazyObserver = null;
}
lazyObserver = new IntersectionObserver((entries) => {
entries.forEach(entry => {
if (entry.isIntersecting) {
const thumb = entry.target;
let bg = thumb.dataset.bg;
if (bg && !thumb.classList.contains('loaded')) {
const mode = thumb.getAttribute('data-mode');
const blurNsfw = localStorage.getItem('blurNsfw') === 'true';
const blurNsfl = localStorage.getItem('blurNsfl') === 'true';
const blurSfw = localStorage.getItem('blurSfw') === 'true';
const blurUntagged = localStorage.getItem('blurUntagged') === 'true';
let shouldBlurThis = false;
if (mode === 'nsfw') shouldBlurThis = blurNsfw;
else if (mode === 'nsfl') shouldBlurThis = blurNsfl;
else if (mode === 'sfw') shouldBlurThis = blurSfw;
else if (mode === 'null' || !mode) shouldBlurThis = blurUntagged;
if (shouldBlurThis && !thumb.classList.contains('revealed')) {
bg = bg.replace('.webp', '_blur.webp');
}
bg = window.applyThumbCacheBust(bg);
const img = new Image();
img.onload = () => {
thumb.style.backgroundImage = `url('${bg}')`;
thumb.classList.add('loaded');
thumb.classList.remove('lazy-thumb');
};
img.onerror = () => {
const retries = parseInt(thumb.dataset.retries || '0');
if (retries < 3) {
thumb.dataset.retries = retries + 1;
setTimeout(() => {
img.src = bg + '?r=' + Date.now();
}, 1000);
} else {
// All retries exhausted — show fallback for audio items
const mime = thumb.dataset.mime || '';
if (mime.startsWith('audio/')) {
thumb.style.backgroundImage = `url('/s/img/audio.webp')`;
thumb.classList.add('thumb-fallback');
}
thumb.classList.remove('lazy-thumb');
}
};
img.src = bg;
}
lazyObserver.unobserve(thumb);
}
});
}, { rootMargin: '300px 0px', threshold: 0.01 });
// Nudge lazy loading on tab switch to prevent stuck skeletons in inactive tabs
if (!window._lazyVisibilityBound) {
window._lazyVisibilityBound = true;
@@ -254,7 +262,10 @@ window.cancelAnimFrame = (function () {
}
document.querySelectorAll('.lazy-thumb').forEach(thumb => {
if (!thumb.dataset.lazyObserved) {
// Reset lazyObserved on every initLazyLoading call so the fresh observer
// picks up all unloaded thumbs regardless of previous observation state.
delete thumb.dataset.lazyObserved;
if (!thumb.classList.contains('loaded')) {
thumb.dataset.lazyObserved = 'true';
lazyObserver.observe(thumb);
}