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<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: capture root elements</title>
<link rel="help" href="https://github.com/WICG/view-transitions">
<link rel="author" href="mailto:vmpstr@chromium.org">
<link rel="match" href="new-content-captures-root-ref.html">
<script src="/common/reftest-wait.js"></script>
<style>
.box {
background: lightblue;
width: 100px;
height: 100px;
contain: paint;
position: absolute;
will-change: transform;
}
#e1 {
top: 10px;
left: 30px;
}
#shared {
contain: paint;
width: 100px;
height: 100px;
background: red;
view-transition-name: shared;
}
div.dst { background: lightgreen; }
/* We're verifying what we capture, so just display the old contents for 5 minutes. */
html::view-transition { background: pink; }
html::view-transition-group(shared) { animation-duration: 300s; }
html::view-transition-image-pair(shared) { visibility: hidden }
html::view-transition-old(root) { animation-duration: 0s; opacity: 0 }
html::view-transition-new(root) { animation-duration: 0s; opacity: 1 }
</style>
<body style="background: red">
<div id=e1 class=box></div>
<div id=shared></div>
<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");
async function runTest() {
let t = document.startViewTransition(() => {
e1.classList.add("dst");
document.body.style = "";
requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
});
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
</body>
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