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80 lines
2.3 KiB
HTML
80 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<link rel="help" src="https://drafts.csswg.org/scroll-animations-1/#named-timeline-range">
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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="support/testcommon.js"></script>
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<script src="/web-animations/resources/keyframe-utils.js"></script>
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<title>Animation range and delay</title>
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</head>
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<style type="text/css">
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@keyframes anim {
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cover 100% {
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margin-right: 0px;
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}
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cover 0% {
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margin-left: 0px;
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}
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50% {
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opacity: 0.5;
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}
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}
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#scroller {
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border: 10px solid lightgray;
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overflow-y: scroll;
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overflow-x: hidden;
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width: 300px;
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height: 200px;
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}
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#target {
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margin-bottom: 800px;
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margin-top: 800px;
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margin-left: 10px;
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margin-right: 10px;
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width: 100px;
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height: 100px;
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z-index: -1;
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background-color: green;
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animation: anim auto both linear;
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/* using document timeline by default */
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}
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</style>
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<body>
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<div id="scroller">
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<div id="target"></div>
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</div>
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</body>
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<script type="text/javascript">
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async function runTest() {
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promise_test(async t => {
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await waitForNextFrame();
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const anim = document.getAnimations()[0];
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await anim.ready;
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await waitForNextFrame();
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// Using a document timeline, so only the 50% keyframe is used.
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let frames = anim.effect.getKeyframes();
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let expected = [
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{ offset: 0, computedOffset: 0, opacity: "1", easing: "linear",
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composite: "replace" },
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{ offset: 0.5, computedOffset: 0.5, opacity: "0.5", easing: "linear",
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composite: "auto" },
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{ offset: 1, computedOffset: 1, opacity: "1", easing: "linear",
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composite: "replace" },
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{ offset: { rangeName: "cover", offset: CSS.percent(100) },
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computedOffset: null, marginRight: "0px", composite: "auto",
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easing: "linear" },
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{ offset: { rangeName: "cover", offset: CSS.percent(0) },
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computedOffset: null, marginLeft: "0px", composite: "auto",
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easing: "linear" }
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];
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assert_frame_lists_equal(frames, expected);
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}, 'Keyframes with timeline-offsets reported but not reachable when ' +
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'using a document timeline');
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}
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window.onload = runTest;
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</script>
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