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<!doctype html>
<html class=reftest-wait>
<title>Nested View Transitions: child only has old and parent changes transform (twice)</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">
<link rel="match" href="green-rect-ref.html">
<script src="/common/reftest-wait.js"></script>
<script src="resources/compute-test.js"></script>
<script src="/dom/events/scrolling/scroll_support.js"></script>
<style>
:root { view-transition-name: none; }
.container {
width: 100px;
height: 100px;
position: relative;
background: red;
view-transition-name: container;
view-transition-group: contain;
}
.container.shifted {
top: 150px;
}
.container.shifted_again {
left: 150px;
}
.contained {
width: 100px;
height: 100px;
background: green;
view-transition-name: contained;
}
.hidden {
display: none;
}
::view-transition-group(*) {
animation-play-state: paused;
}
::view-transition-old(*) {
animation: unset;
opacity: 1;
}
::view-transition-new(*) {
animation: unset;
opacity: 0;
}
</style>
<div id=container class=container>
<div id=contained class=contained></div>
</div>
<script>
function runTest() {
const transition = document.startViewTransition(() => {
container.classList.add("shifted");
contained.classList.add("hidden");
});
transition.ready.then(() => requestAnimationFrame(() => requestAnimationFrame(() => {
container.classList.add("shifted_again");
requestAnimationFrame(takeScreenshot);
})));
}
onload = () => waitForCompositorReady().then(runTest);
</script>
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