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54 lines
1.5 KiB
HTML
54 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<title>View transitions: event pseudo name</title>
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<link rel="help" href="https://github.com/WICG/view-transitions">
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<link rel="author" href="mailto:vmpstr@chromium.org">
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<link rel="match" href="web-animations-api-ref.html">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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:root { view-transition-name: none; }
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#first {
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background: blue;
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width: 100px;
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height: 100px;
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contain: paint;
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view-transition-name: shared;
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}
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html::view-transition-group(*),
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html::view-transition-image-pair(*),
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html::view-transition-new(*),
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html::view-transition-old(*) {
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animation-duration: 600s;
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}
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@keyframes fade-in {
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from { opacity: 0; }
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}
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html::view-transition-image-pair(*) {
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animation: fade-in 600s both;
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}
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</style>
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<div id=first></div>
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<script>
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async_test(t => {
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assert_implements(document.startViewTransition, "Missing document.startViewTransition");
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let names = [];
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document.documentElement.addEventListener("animationstart", (e) => {
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names.push(e.pseudoElement);
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if (names.length == 4) {
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t.step(() => assert_true(names.includes("::view-transition-group(shared)")));
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t.step(() => assert_true(names.includes("::view-transition-image-pair(shared)")));
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t.step(() => assert_true(names.includes("::view-transition-new(shared)")));
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t.step(() => assert_true(names.includes("::view-transition-old(shared)")));
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t.done();
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}
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});
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document.startViewTransition();
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}, "verifies pseudo name includes a tag");
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</script>
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