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<!DOCTYPE html>
<html class="reftest-wait">
<title>View Transitions: @view-transition removing opt-in doesn't skip active transition</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">
<link rel="author" href="mailto:bokan@chromium.org">
<link rel="match" href="opt-in-removed-during-transition-ref.html">
<script src="/common/reftest-wait.js"></script>
<style>
@view-transition {
navigation: auto;
}
:root {
view-transition-name: none;
}
::view-transition {
background-color: pink;
}
::view-transition-new(target) {
animation: none;
opacity: 0;
}
::view-transition-old(target) {
animation: none;
opacity: 1;
}
::view-transition-group(target) {
animation-play-state: paused;
}
#target {
background-color: limegreen;
width: 100px;
height: 100px;
view-transition-name: target;
}
#target.transitioned {
background-color: red;
}
</style>
<script>
const params = new URLSearchParams(location.search.substr(1));
const is_starting_page = !params.has('new');
if (is_starting_page) {
requestAnimationFrame(() => requestAnimationFrame( () => {
location.replace(location.href + '?new');
}));
} else {
addEventListener('pagereveal', async e => {
document.getElementById('target').classList.add('transitioned');
await e.viewTransition.ready;
await new Promise(resolve => requestAnimationFrame(resolve));
// Remove the opt-in after the view transition has started.
document.styleSheets[0].cssRules[0].navigation = 'none';
requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
});
}
</script>
<div id="target"></div>
</html>
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