147 lines
5 KiB
HTML
147 lines
5 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 0% {
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opacity: 0;
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margin-left: 0px;
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}
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cover 100% {
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opacity: 1;
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margin-right: 0px;
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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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timeline-scope: --sibling;
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}
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#sibling {
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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: 50px;
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background-color: blue;
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view-timeline: --sibling block;
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}
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#target {
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margin-bottom: 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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animation-range-start: contain 0%;
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animation-range-end: contain 100%;
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view-timeline: --target block;
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}
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#target.with-view-timeline {
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animation-timeline: --target;
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}
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#target.with-view-timeline.retarget {
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animation-timeline: --sibling;
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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="sibling"></div>
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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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// Initially using a document timeline, so the keyframes should be
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// ignored.
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let frames = anim.effect.getKeyframes();
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let expected = [
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{ offset: { rangeName: 'cover', offset: CSS.percent(0) },
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computedOffset: null, easing: "linear", composite: "auto",
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marginLeft: "0px", opacity: "0" },
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{ offset: { rangeName: 'cover', offset: CSS.percent(100) },
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computedOffset: null, easing: "linear", composite: "auto",
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marginRight: "0px", opacity: "1" }
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];
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assert_frame_lists_equal(frames, expected);
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// Once a view-timeline is added, the kefyrames must update to reflect
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// the new keyframe offsets.
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target.classList.add('with-view-timeline');
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assert_equals(getComputedStyle(target).animationTimeline, '--target',
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'Switch to view timeline');
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await waitForNextFrame();
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frames = anim.effect.getKeyframes();
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expected = [
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{ offset: 0, computedOffset: 0, easing: "linear", composite: "replace",
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marginRight: "10px" },
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{ offset: 1, computedOffset: 1, easing: "linear", composite: "replace",
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marginLeft: "10px" },
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{ offset: { rangeName: 'cover', offset: CSS.percent(0) },
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computedOffset: -1, easing: "linear", composite: "auto",
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marginLeft: "0px", opacity: "0" },
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{ offset: { rangeName: 'cover', offset: CSS.percent(100) },
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computedOffset: 2, easing: "linear", composite: "auto",
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marginRight: "0px", opacity: "1" },
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];
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assert_frame_lists_equal(frames, expected);
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target.classList.add('retarget');
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assert_equals(getComputedStyle(target).animationTimeline, '--sibling',
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'Switch to another view timeline');
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await waitForNextFrame();
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frames = anim.effect.getKeyframes();
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expected = [
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{ offset: 0, computedOffset: 0, easing: "linear", composite: "replace",
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marginRight: "10px" },
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{ offset: 1, computedOffset: 1, easing: "linear", composite: "replace",
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marginLeft: "10px" },
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{ offset: { rangeName: 'cover', offset: CSS.percent(0) },
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computedOffset: -1/3, easing: "linear",
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composite: "auto", marginLeft: "0px", opacity: "0" },
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{ offset: { rangeName: 'cover', offset: CSS.percent(100) },
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computedOffset: 4/3, easing: "linear", composite: "auto",
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marginRight: "0px", opacity: "1" },
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];
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assert_frame_lists_equal(frames, expected);
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target.classList.toggle('with-view-timeline');
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assert_equals(getComputedStyle(target).animationTimeline, 'auto',
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'Switch back to document timeline');
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frames = anim.effect.getKeyframes();
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expected = [
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{ offset: { rangeName: 'cover', offset: CSS.percent(0) },
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computedOffset: null, easing: "linear", composite: "auto",
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marginLeft: "0px", opacity: "0" },
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{ offset: { rangeName: 'cover', offset: CSS.percent(100) },
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computedOffset: null, easing: "linear", composite: "auto",
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marginRight: "0px", opacity: "1" }
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];
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assert_frame_lists_equal(frames, expected);
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}, 'getKeyframes with timeline-offsets');
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}
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window.onload = runTest;
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</script>
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