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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;
font-size: 10px;
}
</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 runTimelineRangeTest(t, {
rangeStart: { rangeName: 'cover', offset: CSS.percent(0) } ,
rangeEnd: { rangeName: 'cover', offset: CSS.percent(100) },
startOffset: 600,
endOffset: 900
}).then(anim => {
verifyTimelineOffsets(anim);
});
await runTimelineRangeTest(t, {
rangeStart: { rangeName: 'contain', offset: CSS.percent(0) } ,
rangeEnd: { rangeName: 'contain', offset: CSS.percent(100) },
startOffset: 700,
endOffset: 800
}).then(anim => {
verifyTimelineOffsets(anim);
});
await runTimelineRangeTest(t, {
rangeStart: { rangeName: 'entry', offset: CSS.percent(0) },
rangeEnd: { rangeName: 'entry', offset: CSS.percent(100) },
startOffset: 600,
endOffset: 700
});
await runTimelineRangeTest(t, {
rangeStart: { rangeName: 'entry-crossing', offset: CSS.percent(0) },
rangeEnd: { rangeName: 'entry-crossing', offset: CSS.percent(100) },
startOffset: 600,
endOffset: 700
});
await runTimelineRangeTest(t, {
rangeStart: { rangeName: 'exit', offset: CSS.percent(0) },
rangeEnd: { rangeName: 'exit', offset: CSS.percent(100) },
startOffset: 800,
endOffset: 900
});
await runTimelineRangeTest(t, {
rangeStart: { rangeName: 'exit-crossing', offset: CSS.percent(0) },
rangeEnd: { rangeName: 'exit-crossing', offset: CSS.percent(100) },
startOffset: 800,
endOffset: 900
});
await runTimelineRangeTest(t, {
rangeStart: { rangeName: 'contain', offset: CSS.percent(-50) },
rangeEnd: { rangeName: 'entry', offset: CSS.percent(200) },
startOffset: 650,
endOffset: 800
});
}, 'View timeline with range as <name> <percent> pair.' );
promise_test(async t => {
await runTimelineRangeTest(t, {
rangeStart: { rangeName: 'entry' },
rangeEnd: { rangeName: 'exit' },
startOffset: 600,
endOffset: 900
});
await runTimelineRangeTest(t, {
rangeStart: { offset: CSS.percent(0) },
rangeEnd: { offset: CSS.percent(100) },
startOffset: 600,
endOffset: 900
});
}, 'View timeline with range and inferred name or offset.' );
promise_test(async t => {
await runTimelineRangeTest(t, {
rangeStart: { rangeName: 'cover', offset: CSS.px(20) } ,
rangeEnd: { rangeName: 'cover', offset: CSS.px(100) },
startOffset: 620,
endOffset: 700
});
await runTimelineRangeTest(t, {
rangeStart: { rangeName: 'contain', offset: CSS.px(20) } ,
rangeEnd: { rangeName: 'contain', offset: CSS.px(100) },
startOffset: 720,
endOffset: 800
});
await runTimelineRangeTest(t, {
rangeStart: { rangeName: 'entry', offset: CSS.px(20) } ,
rangeEnd: { rangeName: 'entry', offset: CSS.px(100) },
startOffset: 620,
endOffset: 700
});
await runTimelineRangeTest(t, {
rangeStart: { rangeName: 'exit', offset: CSS.px(20) } ,
rangeEnd: { rangeName: 'exit', offset: CSS.px(80) },
startOffset: 820,
endOffset: 880
});
}, 'View timeline with range as <name> <px> pair.' );
promise_test(async t => {
await runTimelineRangeTest(t, {
rangeStart: {
rangeName: 'contain',
offset: new CSSMathSum(CSS.percent(0), CSS.px(20))
},
rangeEnd: {
rangeName: 'contain',
offset: new CSSMathSum(CSS.percent(100), CSS.px(-10))
},
startOffset: 720,
endOffset: 790
});
}, 'View timeline with range as <name> <percent+px> pair.' );
promise_test(async t => {
await runTimelineRangeTest(t, {
rangeStart: "contain -50%",
rangeEnd: "entry 200%",
startOffset: 650,
endOffset: 800
});
await runTimelineRangeTest(t, {
rangeStart: "contain 20px",
rangeEnd: "contain 100px",
startOffset: 720,
endOffset: 800
});
await runTimelineRangeTest(t, {
rangeStart: "contain calc(0% + 20px)",
rangeEnd: "contain calc(100% - 10px)",
startOffset: 720,
endOffset: 790
});
await runTimelineRangeTest(t, {
rangeStart: "exit 2em",
rangeEnd: "exit 8em",
startOffset: 820,
endOffset: 880
});
}, 'View timeline with range as strings.');
</script>
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