| Index: tools/perf/page_sets/tough_animation_cases/css_animations_staggered_triggering_by_updating_inline_style.html
|
| diff --git a/tools/perf/page_sets/tough_animation_cases/css_animations_staggered_triggering_by_updating_inline_style.html b/tools/perf/page_sets/tough_animation_cases/css_animations_staggered_triggering_by_updating_inline_style.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..f8f0a6b1d3a4c325655c9fdf7a555d1414b6bdbe
|
| --- /dev/null
|
| +++ b/tools/perf/page_sets/tough_animation_cases/css_animations_staggered_triggering_by_updating_inline_style.html
|
| @@ -0,0 +1,45 @@
|
| +<!DOCTYPE html>
|
| +<meta name="viewport" content="width=device-width, user-scalable=no">
|
| +<link rel="stylesheet" type="text/css" href="resources/animation.css">
|
| +<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].style.webkitAnimationName = ((targets[i].i++) % 2 ? '' : 'reverse-') + 'anim';
|
| + targets[i].classList.toggle('anim');
|
| + return;
|
| + }
|
| + var target = document.createElement('target');
|
| + target.i = 0;
|
| + container.appendChild(target);
|
| + targets[i] = target;
|
| +}
|
| +
|
| +requestAnimationFrame(function(t) {
|
| + var base = t;
|
| + var i = 0;
|
| +
|
| + function staggeredStart(t) {
|
| + var elapsed = t - base;
|
| + for (; i < N && i < N * elapsed / duration; i++) {
|
| + startAnimation(i);
|
| + }
|
| + if (elapsed > duration) {
|
| + PerfTestHelper.signalReady();
|
| + i = 0;
|
| + base = t - (elapsed % duration);
|
| + elapsed = 0;
|
| + }
|
| + requestAnimationFrame(staggeredStart);
|
| + }
|
| + requestAnimationFrame(staggeredStart);
|
| +});
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 666723003:
Add CSS Animations performance tests - trybot-android-nexus5 (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master