new-content.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /css/css-view-transitions/scoped/new-content.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html class=reftest-wait>

<head>

<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">

<link rel="match" href="content-ref.html">

<script src="/common/reftest-wait.js"></script>

<script src="/web-animations/testcommon.js"></script>

<style>

body { margin: 20px }

#scope {

  position: relative; z-index: 0; background: pink;

  border: 5px dashed purple; padding: 5px;

  width: 180px; height: 120px;

#part {

  position: relative; z-index: 0; background: lightgrey;

  border: 5px solid blue; padding: 5px;

  width: 120px; height: 60px;

  left: 20px; top: 20px;

  view-transition-name: foo;

/* TODO(crbug.com/405117185): This shouldn't be necessary. */

:root { view-transition-name: none; }

#scope::view-transition { background: yellow; }

#scope::view-transition-group(foo) { animation-play-state: paused; }

#scope::view-transition-new(foo) { animation: unset; opacity: 1; }

#scope::view-transition-old(foo) { animation: unset; opacity: 0; }

</style>

</head>

<body>

<div id=scope>

  <div id=part>

    PARTICIPANT

  </div>

</div>

<script>

const scope = document.querySelector("#scope");

failIfNot(scope.startViewTransition, "Missing element.startViewTransition");

async function runTest() {

  await waitForCompositorReady();

  scope.startViewTransition(() => requestAnimationFrame(takeScreenshot));

onload = () => runTest();

</script>

</body>

</html>