tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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old-content-is-empty-div.html (1659B)

      1 <!DOCTYPE html>
      2 <html class=reftest-wait>
      3 <title>View transitions: old content captures an empty div</title>
      4 <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
      5 <link rel="author" href="mailto:vmpstr@chromium.org">
      6 <link rel="match" href="old-content-is-empty-div-ref.html">
      7 
      8 <script src="/common/reftest-wait.js"></script>
      9 <style>
     10 div {
     11  contain: paint;
     12  width: 100px;
     13  height: 100px;
     14  position: absolute;
     15  top: 50px;
     16 }
     17 #empty {
     18  left: 50px;
     19 }
     20 #target {
     21  left: 200px;
     22  background: green;
     23 }
     24 #hidden {
     25  background: red;
     26 }
     27 
     28 html::view-transition-group(hidden) { animation-duration: 300s; }
     29 html::view-transition-image-pair(hidden) { animation: unset; opacity: 0; }
     30 
     31 /* The effect of the following should be position at the outgoing element
     32   but contents of the new element.
     33 */
     34 html::view-transition-group(shared) { animation-delay: 100s; }
     35 html::view-transition-new(shared) { animation: unset; opacity: 1; }
     36 html::view-transition-old(shared) { animation: unset; opacity: 1; }
     37 
     38 html::view-transition-group(root) { animation: unset; opacity: 0; }
     39 html::view-transition { background: lightpink; }
     40 
     41 </style>
     42 
     43 <div id=empty></div>
     44 <div id=target></div>
     45 <div id=hidden></div>
     46 
     47 <script>
     48 failIfNot(document.startViewTransition, "Missing document.startViewTransition");
     49 
     50 async function runTest() {
     51  empty.style.viewTransitionName = "shared";
     52  document.startViewTransition(() => {
     53    empty.style.viewTransitionName = "";
     54    target.style.viewTransitionName = "shared";
     55 
     56    requestAnimationFrame(() => requestAnimationFrame(takeScreenshot))
     57  });
     58 }
     59 onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
     60 </script>