tools/perf/page_sets/tough_animation_cases/css_transitions_staggered_triggering_by_inserting_style.html - Issue 665833002: Add CSS Animations performance tests

Unified Diff: tools/perf/page_sets/tough_animation_cases/css_transitions_staggered_triggering_by_inserting_style.html

Issue 665833002: Add CSS Animations performance tests (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Rebased Created 6 years, 1 month ago

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Index: tools/perf/page_sets/tough_animation_cases/css_transitions_staggered_triggering_by_inserting_style.html

diff --git a/tools/perf/page_sets/tough_animation_cases/css_transitions_staggered_triggering_by_inserting_style.html b/tools/perf/page_sets/tough_animation_cases/css_transitions_staggered_triggering_by_inserting_style.html

deleted file mode 100644

index 8f0ee54ccea331bd1423e1ddbfd8efb9fb9733e1..0000000000000000000000000000000000000000

--- a/tools/perf/page_sets/tough_animation_cases/css_transitions_staggered_triggering_by_inserting_style.html

+++ /dev/null

@@ -1,76 +0,0 @@

-<!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>

-<container id="container"></container>

-<script>

-var N = PerfTestHelper.getN(1000);

-var duration = 1000;

-var targets = [];

-var styles = [];

-var keyframeValues = [0, 1];

-for (var i = 0; i < N; i++) {

- var target = document.createElement('target');

- target._keyframe = 0;

- container.appendChild(target);

- targets.push(target);

-function addNewClassStyle(step) {

- // Clean up overwritten styles.

- var i = 0;

- for (; i < styles.length && styles[i].lastStep < step; i++) {

- styles[i].style.remove();

- }

- styles.splice(0, i);

- var style = document.createElement('style');

- var className = 'style' + step + 'keyframe';

- style.textContent = '.' + className + '0 { opacity: ' + keyframeValues[0] + '; }\n';

- style.textContent += '.' + className + '1 { opacity: ' + keyframeValues[1] + '; }\n';

- container.appendChild(style);

- styles.push({

- style: style,

- lastStep: step + N,

- });

- return className;

-function startTransitions(startingTargets, startStep, endStep) {

- var newClassName = addNewClassStyle(startStep, endStep);

- startingTargets.forEach(function(startInfo) {

- startInfo.target._keyframe ^= 1;

- startInfo.target.className = newClassName + startInfo.target._keyframe;

- startInfo.target.style.transitionDelay = -startInfo.fastForward + 'ms';

- });

-requestAnimationFrame(function(time) {

- var startTime = time - duration;

- var previousStep = 0;

- function staggeredStart(time) {

- var elapsed = time - startTime;

- var targetStep = Math.floor(N * elapsed / duration);

- var restartingTargets = [];

- for (var step = Math.max(targetStep - N, previousStep); step < targetStep; step++) {

- var stepStartTime = step / N * duration;

- restartingTargets.push({

- target: targets[step % N],

- fastForward: elapsed - stepStartTime,

- });

- }

- startTransitions(restartingTargets, targetStep);

- previousStep = targetStep;

- requestAnimationFrame(staggeredStart);

- }

- staggeredStart(time);

-});

-PerfTestHelper.signalReady();

-</script>