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77 lines
2.1 KiB
HTML
77 lines
2.1 KiB
HTML
<!DOCTYPE html>
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<link rel="help" src="https://drafts.csswg.org/scroll-animations-1/#scroll-timeline-at-rule">
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<link rel="help" src="https://drafts.csswg.org/scroll-animations-1/#descdef-scroll-timeline-time-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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<style>
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#scroller {
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overflow: scroll;
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width: 100px;
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height: 100px;
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}
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#contents {
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height: 200px;
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}
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@keyframes expand {
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from { width: 100px; }
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to { width: 200px; }
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}
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@scroll-timeline timeline_10s {
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source: selector(#scroller);
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time-range: 10s;
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start: 0px;
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end: 100px;
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}
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@scroll-timeline timeline_1s {
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source: selector(#scroller);
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time-range: 1s;
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start: 0px;
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end: 100px;
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}
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@scroll-timeline timeline_1000ms {
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source: selector(#scroller);
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time-range: 1000ms;
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start: 0px;
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end: 100px;
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}
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#container > div {
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width: 0px;
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animation-name: expand;
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animation-duration: 10s;
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animation-timing-function: linear;
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}
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/* Ensure stable expectations if feature is not supported */
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@supports not (animation-timeline:foo) {
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#container > div { animation-play-state: paused; }
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}
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#element_10s { animation-timeline: timeline_10s; }
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#element_1s { animation-timeline: timeline_1s; }
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#element_1000ms { animation-timeline: timeline_1000ms; }
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</style>
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<div id=scroller>
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<div id=contents></div>
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</div>
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<div id=container>
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<div id=element_10s></div>
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<div id=element_1s></div>
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<div id=element_1000ms></div>
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</div>
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<script>
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scroller.scrollTop = 50;
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promise_test(async (t) => {
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await waitForNextFrame();
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assert_equals(getComputedStyle(element_10s).width, '150px');
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}, 'Timerange mapped correctly (10s)');
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promise_test(async (t) => {
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await waitForNextFrame();
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assert_equals(getComputedStyle(element_1s).width, '105px');
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}, 'Timerange mapped correctly (1s)');
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promise_test(async (t) => {
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await waitForNextFrame();
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assert_equals(getComputedStyle(element_1s).width, '105px');
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}, 'Timerange mapped correctly (1000ms)');
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</script>
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