element-with-overflow.html | Explore in Territory

<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: element with overflow</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:[email protected]">
<link rel="match" href="element-with-overflow-ref.html">

<script src="/common/reftest-wait.js"></script>
<style>
  .hidden {
    width: 10px;
    height: 10px;
    view-transition-name: hidden;
    background: green;
  }

  .target {
    width: 100px;
    height: 100px;
    background: lightblue;
    view-transition-name: target;
  }
  .inner {
    width: 100px;
    height: 100px;
    position: relative;
    top: 50px;
    left: 50px;
    border: 5px solid black;
  }

  html::view-transition-group(hidden) { animation-duration: 300s; }
  html::view-transition-image-pair(hidden) { animation: unset; opacity: 0; }

  html::view-transition-new(*), html::view-transition-old(*) {
    opacity: 1;
    animation: unset;
  }

  html::view-transition-old(target) {
    top: 0px;
    left: 0px;
  }

  html::view-transition-new(target) {
    top: 200px;
    left: 0px;
  }
</style>

<div class="target">
  <div class="inner"></div>
</div>
<div class="hidden"></div>

<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");

async function runTest() {
  document.startViewTransition(() => {
    document.getElementsByClassName("target")[0].style.background="lightgreen";
    document.getElementsByClassName("inner")[0].style.border="5px solid blue";
    requestAnimationFrame(() => requestAnimationFrame(() =>
      requestAnimationFrame(() => requestAnimationFrame(takeScreenshot))
    ));
  });
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
chromium/third_party/blink/web_tests/external/wpt/css/css-view-transitions/element-with-overflow.html
