55 lines
1.5 KiB
HTML
55 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<html id="top">
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<meta charset="utf-8">
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<title>View timeline delay</title>
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<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#viewtimeline-interface">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/web-animations/testcommon.js"></script>
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<script src="/scroll-animations/scroll-timelines/testcommon.js"></script>
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<script src="/scroll-animations/view-timelines/testcommon.js"></script>
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<style>
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#container {
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overflow-x: scroll;
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height: 200px;
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width: 200px;
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}
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#content {
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translate: 50px;
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width: 1800px;
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margin: 0;
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}
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.spacer {
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width: 800px;
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display: inline-block;
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}
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#target {
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background-color: green;
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height: 100px;
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width: 100px;
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display: inline-block;
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font-size: 10px;
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}
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</style>
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<body>
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<div id="container">
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<div id="content">
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<div class="spacer"></div>
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<div id="target"></div>
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<div class="spacer"></div>
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</div>
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</div>
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</body>
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<script type="text/javascript">
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promise_test(async t => {
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const timeline = new ViewTimeline({
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subject: target,
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axis: "inline"
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});
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const anim = target.animate({ backgroundColor: ['green', 'red' ] },
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{ timeline: timeline });
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await new Promise(requestAnimationFrame);
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assert_px_equals(timeline.startOffset, 604, 'startOffset');
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assert_px_equals(timeline.endOffset, 904, 'endOffset');
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});
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</script>
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