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<!DOCTYPE html>
<html>
<head>
<title>
Test for Animation.play() and Animation.pause() on compositor animations
</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<script type="application/javascript" src="animation_utils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
<style type="text/css">
@keyframes anim {
0% { transform: translate(0px) }
100% { transform: translate(100px) }
}
.target {
/* The animation target needs geometry in order to qualify for OMTA */
width: 100px;
height: 100px;
background-color: white;
}
</style>
</head>
<body>
<div id="display"></div>
<script type="application/javascript">
"use strict";
SimpleTest.waitForExplicitFinish();
runOMTATest(function() {
runAllAsyncAnimTests().then(SimpleTest.finish);
}, SimpleTest.finish, SpecialPowers);
addAsyncAnimTest(async function() {
var [ div, cs ] = new_div("animation: anim 10s 2 linear alternate");
// Animation is initially running on compositor
await waitForPaintsFlushed();
advance_clock(1000);
omta_is(div, "transform", { tx: 10 }, RunningOn.Compositor,
"Animation is initally animating on compositor");
// pause() means it is no longer on the compositor
var animation = div.getAnimations()[0];
animation.pause();
// pause() should set up the changes to animations for the next layer
// transaction but it won't schedule a paint immediately so we need to tick
// the refresh driver before we can wait on the next paint.
advance_clock(0);
await waitForPaints();
omta_is(div, "transform", { tx: 10 }, RunningOn.MainThread,
"After pausing, animation is removed from compositor");
// Animation remains paused
advance_clock(1000);
omta_is(div, "transform", { tx: 10 }, RunningOn.MainThread,
"Animation remains paused");
// play() puts the animation back on the compositor
animation.play();
// As with pause(), play() will set up pending animations for the next layer
// transaction but won't schedule a paint so we need to tick the refresh
// driver before waiting on the next paint.
advance_clock(0);
await waitForPaints();
omta_is(div, "transform", { tx: 10 }, RunningOn.Compositor,
"After playing, animation is sent to compositor");
// Where it continues to run
advance_clock(1000);
omta_is(div, "transform", { tx: 20 }, RunningOn.Compositor,
"Animation continues playing on compositor");
done_div();
});
</script>
</body>
</html>