| Index: tools/perf/page_sets/tough_animation_cases/web_animations_staggered_triggering.html
|
| diff --git a/tools/perf/page_sets/tough_animation_cases/web_animations_staggered_triggering.html b/tools/perf/page_sets/tough_animation_cases/web_animations_staggered_triggering.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..36e4d13fda52a7ce755417dd9661d5196c8fcbe9
|
| --- /dev/null
|
| +++ b/tools/perf/page_sets/tough_animation_cases/web_animations_staggered_triggering.html
|
| @@ -0,0 +1,42 @@
|
| +<!DOCTYPE html>
|
| +<meta name="viewport" content="width=device-width, user-scalable=no">
|
| +<link rel="stylesheet" type="text/css" href="resources/tablet.css">
|
| +<script src="resources/perftesthelper.js"></script>
|
| +
|
| +<container id="container"></container>
|
| +
|
| +<script>
|
| +var N = PerfTestHelper.getN(1000);
|
| +var duration = 1000;
|
| +
|
| +var targets = [];
|
| +function startAnimation(i) {
|
| + if (!targets[i]) {
|
| + targets[i] = document.createElement('target');
|
| + container.appendChild(targets[i]);
|
| + }
|
| + targets[i].animate([
|
| + {opacity: 0},
|
| + {opacity: 1},
|
| + ], duration);
|
| +}
|
| +
|
| +requestAnimationFrame(function(t) {
|
| + var base = t;
|
| + var i = 0;
|
| +
|
| + requestAnimationFrame(function staggeredStart(t) {
|
| + var elapsed = t - base;
|
| + for (; i < N && i < N * elapsed / duration; i++) {
|
| + startAnimation(i);
|
| + }
|
| + if (elapsed > duration) {
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| + PerfTestHelper.signalReady();
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| + i = 0;
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| + base = t - (elapsed % duration);
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| + elapsed = 0;
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| + }
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| + requestAnimationFrame(staggeredStart);
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| + });
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| +});
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| +</script>
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|
|