| Index: tools/perf/page_sets/tough_animation_cases/css_transitions_staggered_chaining_by_inserting_new_element.html
|
| diff --git a/tools/perf/page_sets/tough_animation_cases/css_transitions_staggered_chaining_by_inserting_new_element.html b/tools/perf/page_sets/tough_animation_cases/css_transitions_staggered_chaining_by_inserting_new_element.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..e3b8f75383c5cf987b5cba4052280683522620f1
|
| --- /dev/null
|
| +++ b/tools/perf/page_sets/tough_animation_cases/css_transitions_staggered_chaining_by_inserting_new_element.html
|
| @@ -0,0 +1,54 @@
|
| +<!DOCTYPE html>
|
| +<meta name="viewport" content="width=device-width, user-scalable=no">
|
| +<link rel="stylesheet" type="text/css" href="resources/tablet.css">
|
| +<link rel="stylesheet" type="text/css" href="resources/transition.css">
|
| +<script src="resources/perftesthelper.js"></script>
|
| +<style>
|
| +keyframe0 + target {
|
| + opacity: 0;
|
| +}
|
| +keyframe1 + target {
|
| + opacity: 1;
|
| +}
|
| +keyframe0, keyframe1 {
|
| + display: none;
|
| +}
|
| +</style>
|
| +
|
| +<container id="container"></container>
|
| +
|
| +<script>
|
| +var N = PerfTestHelper.getN(1000);
|
| +var duration = 1000;
|
| +var keyframeValues = [0, 1];
|
| +var keyframeStash = [[], []];
|
| +var targets = [];
|
| +
|
| +for (var i = 0; i < N; i++) {
|
| + keyframeStash[0].push(document.createElement('keyframe0'));
|
| + keyframeStash[1].push(document.createElement('keyframe1'));
|
| + var target = document.createElement('target');
|
| + target._keyframe = 0;
|
| + target.style.transitionDelay = (-i / N * duration) + 'ms';
|
| + container.appendChild(target);
|
| + target.addEventListener('transitionend', restartTransition);
|
| + targets.push(target);
|
| +}
|
| +
|
| +function restartTransition(event) {
|
| + var target = event.target;
|
| + target.style.removeProperty('transition-delay');
|
| + keyframeStash[target._keyframe].push(target.previousSibling);
|
| + target.previousSibling.remove();
|
| + target._keyframe ^= 1;
|
| + container.insertBefore(keyframeStash[target._keyframe].pop(), target);
|
| +}
|
| +
|
| +requestAnimationFrame(function() {
|
| + targets.forEach(function(target) {
|
| + container.insertBefore(keyframeStash[0].pop(), target);
|
| + });
|
| +});
|
| +
|
| +PerfTestHelper.signalReady();
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 399393002:
Add CSS Transitions performance tests (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src