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<!DOCTYPE html>
<html id="top">
<meta charset="utf-8">
<title>View timeline delay</title>
<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#viewtimeline-interface">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/web-animations/testcommon.js"></script>
<script src="/scroll-animations/scroll-timelines/testcommon.js"></script>
<script src="/scroll-animations/view-timelines/testcommon.js"></script>
<style>
#container {
border: 10px solid lightgray;
overflow-x: scroll;
height: 200px;
width: 200px;
}
#content {
display: flex;
flex-flow: row nowrap;
justify-content: flex-start;
width: 1800px;
margin: 0;
}
.spacer {
width: 800px;
display: inline-block;
}
#target {
background-color: green;
height: 100px;
width: 100px;
display: inline-block;
}
</style>
<body>
<div id="container">
<div id="content">
<div class="spacer"></div>
<div id="target"></div>
<div class="spacer"></div>
</div>
</div>
</body>
<script type="text/javascript">
promise_test(async t => {
// Delays are associated with the animation and not with the timeline.
// Thus adjusting the delays has no effect on the timeline offsets. The
// offsets always correspond to the 'cover' range.
const verifyTimelineOffsets = anim => {
const timeline = anim.timeline;
assert_px_equals(timeline.startOffset, 600, 'startOffset');
assert_px_equals(timeline.endOffset, 900, 'endOffset');
};
await runTimelineDelayTest(t, {
delay: { phase: 'cover', percent: CSS.percent(0) } ,
endDelay: { phase: 'cover', percent: CSS.percent(100) },
rangeStart: 600,
rangeEnd: 900
}).then(anim => {
verifyTimelineOffsets(anim);
});
await runTimelineDelayTest(t, {
delay: { phase: 'contain', percent: CSS.percent(0) } ,
endDelay: { phase: 'contain', percent: CSS.percent(100) },
rangeStart: 700,
rangeEnd: 800
}).then(anim => {
verifyTimelineOffsets(anim);
});
await runTimelineDelayTest(t, {
delay: { phase: 'enter', percent: CSS.percent(0) },
endDelay: { phase: 'enter', percent: CSS.percent(100) },
rangeStart: 600,
rangeEnd: 700
});
await runTimelineDelayTest(t, {
delay: { phase: 'exit', percent: CSS.percent(0) },
endDelay: { phase: 'exit', percent: CSS.percent(100) },
rangeStart: 800,
rangeEnd: 900
});
await runTimelineDelayTest(t, {
delay: { phase: 'contain', percent: CSS.percent(-50) },
endDelay: { phase: 'enter', percent: CSS.percent(200) },
rangeStart: 650,
rangeEnd: 800
});
await runTimelineDelayTest(t, {
delay: { phase: 'enter' },
endDelay: { phase: 'exit' },
rangeStart: 600,
rangeEnd: 900
});
await runTimelineDelayTest(t, {
delay: { percent: CSS.percent(0) },
endDelay: { percent: CSS.percent(100) },
rangeStart: 600,
rangeEnd: 900
});
}, 'View timeline with range set via delays.' );
</script>
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