Blitz - WPT: target-in-scrolled-container.html

wpt / css / css-view-transitions / scoped / target-in-scrolled-container.html

/css/css-view-transitions/scoped/target-in-scrolled-container.html

<!DOCTYPE html>
<html class="reftest-wait">
<title>View Transitions: Target in scrolled container capture position</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">
<link rel="match" href="target-in-scrolled-container-ref.html">
<meta name="viewport" content="width=device-width, initial-scale=1">
<script src="/common/reftest-wait.js"></script>
<script src="/web-animations/testcommon.js"></script>
<style>
#scroller {
  width: 200px;
  height: 200px;
  overflow: scroll;
  background: lightgray;
}
#target {
  width: 50px;
  height: 50px;
  background: green;
  margin-top: 100px;
  view-transition-name: target;
}
#spacer {
  height: 200px;
}

html::view-transition-group(*) { animation-play-state: paused; }
html::view-transition-old(*) { animation: none; opacity: 1; }
html::view-transition-new(*) { animation: none; opacity: 0; }
</style>

<div id="scroller">
  <div id="target"></div>
  <div id="spacer"></div>
</div>

<script>
function runTest() {
  scroller.scrollTop = 50;
  target.startViewTransition().ready.then(takeScreenshot);
}

waitForCompositorReady().then(runTest);
</script>
</html>

/css/css-view-transitions/scoped/target-in-scrolled-container-ref.html

<!DOCTYPE html>
<html class="reftest-wait">
<title>View Transitions: Target in scrolled container capture position (ref)</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<script src="/common/reftest-wait.js"></script>
<style>
#scroller {
  width: 200px;
  height: 200px;
  overflow: scroll;
  background: lightgray;
}
#target {
  width: 50px;
  height: 50px;
  background: green;
  margin-top: 100px;
  view-transition-name: target;
}
#spacer {
  height: 200px;
}
</style>

<div id="scroller">
  <div id="target"></div>
  <div id="spacer"></div>
</div>

<script>
onload = () => {
  scroller.scrollTop = 50;
  takeScreenshot();
};
</script>
</html>