tor-browser

The Tor Browser
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massive-element-below-viewport-partially-onscreen-new.html (2296B)

      1 <!DOCTYPE html>
      2 <html class=reftest-wait>
      3 <title>View transitions: massive element below viewport partially onscreen (new content)</title>
      4 <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
      5 <link rel="author" href="mailto:khushalsagar@chromium.org">
      6 <link rel="match" href="massive-element-below-viewport-partially-onscreen-ref.html">
      7 <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
      8 <meta name="fuzzy" content="maxDifference=0-2;totalPixels=0-330">
      9 
     10 <script src="/common/reftest-wait.js"></script>
     11 <style>
     12 :root {
     13  font: 12px/1 Ahem;
     14 }
     15 
     16 .target {
     17  inline-size: 100px;
     18  block-size: 40000px;
     19  view-transition-name: target;
     20 }
     21 
     22 .top {
     23  /* Ahem font sometimes causes slight differences between actual and reference
     24     images due to anti-aliasing when bordering the white background in this
     25     case. Adding a padding reduces the test flakiness. */
     26  padding-top: 1px;
     27  inline-size: 100%;
     28  block-size: 100px;
     29  background: lightblue;
     30 }
     31 
     32 .middle {
     33  inline-size: 100%;
     34  block-size: 39800px;
     35  background: green;
     36 }
     37 
     38 .bottom {
     39  inline-size: 100%;
     40  block-size: 100px;
     41  background: blue;
     42 }
     43 
     44 .hidden {
     45  contain: paint;
     46  inline-size: 10px;
     47  block-size: 10px;
     48  background: grey;
     49  view-transition-name: hidden;
     50 }
     51 
     52 html::view-transition-group(hidden) { animation-duration: 300s; }
     53 html::view-transition-image-pair(hidden) { animation: unset; opacity: 0; }
     54 
     55 html::view-transition-old(*), html::view-transition-new(*) {
     56  object-fit: none;
     57 }
     58 
     59 html::view-transition-old(target) { animation: unset; opacity: 0; }
     60 html::view-transition-new(target) { animation: unset; opacity: 1; }
     61 
     62 </style>
     63 
     64 <div class="target">
     65  <div class="top">This text is at the top of the box</div>
     66  <div class="middle">This text is in the middle of the box</div>
     67  <div id="scrollblue" class="bottom">This text is at the bottom of the box</div>
     68 </div>
     69 <div id=hidden class=hidden></div>
     70 
     71 <script>
     72 failIfNot(document.startViewTransition, "Missing document.startViewTransition");
     73 
     74 async function runTest() {
     75  document.startViewTransition(() => {
     76    requestAnimationFrame(() => requestAnimationFrame(() =>
     77      requestAnimationFrame(() => requestAnimationFrame(takeScreenshot))
     78    ));
     79  });
     80 }
     81 onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
     82 </script>