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62 lines
No EOL
1.8 KiB
HTML
62 lines
No EOL
1.8 KiB
HTML
<html class="reftest-wait">
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<title>Scroll timeline with WorkletAnimation using the root scroller</title>
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<link rel="help" href="https://drafts.css-houdini.org/css-animationworklet/">
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<meta name="assert" content="Worklet animation correctly updates values when using the root scroller as the source for the ScrollTimeline">
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<link rel="match" href="worklet-animation-with-scroll-timeline-root-scroller-ref.html">
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<script src="/web-animations/testcommon.js"></script>
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<script src="/common/reftest-wait.js"></script>
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<script src="common.js"></script>
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<style>
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html {
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min-height: 100%;
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min-width: 100%;
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padding-bottom: 100px;
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padding-right: 100px;
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}
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#box {
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width: 100px;
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height: 100px;
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background-color: green;
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}
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#covered {
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width: 100px;
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height: 100px;
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background-color: red;
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}
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</style>
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<div id="box"></div>
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<div id="covered"></div>
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<script>
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registerPassthroughAnimator().then(()=>{
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const box = document.getElementById('box');
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const effect = new KeyframeEffect(box,
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[
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{transform: 'translateY(0)', opacity: 1},
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{transform: 'translateY(200px)', opacity: 0}
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], {
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duration: 1000,
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}
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);
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const scroller = document.scrollingElement;
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const timeline = new ScrollTimeline({ scrollSource: scroller, timeRange: 1000, orientation: 'block' });
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const animation = new WorkletAnimation('passthrough', effect, timeline);
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animation.play();
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// Move the scroller to the halfway point.
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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scroller.scrollTop = 0.5 * maxScroll;
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waitForAnimationFrameWithCondition(_ => {
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return getComputedStyle(box).transform != 'matrix(1, 0, 0, 1, 0, 0)';
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}).then(_ => {
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takeScreenshot();
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});
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});
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</script> |