129 lines
4.3 KiB
HTML
129 lines
4.3 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>Setting the target effect of an animation</title>
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<link rel='help' href='https://drafts.csswg.org/web-animations/#setting-the-target-effect'>
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<script src='/resources/testharness.js'></script>
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<script src='/resources/testharnessreport.js'></script>
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<script src='../../testcommon.js'></script>
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<body>
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<div id='log'></div>
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<script>
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'use strict';
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promise_test(t => {
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const anim = createDiv(t).animate({ marginLeft: [ '0px', '100px' ] },
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100 * MS_PER_SEC);
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assert_true(anim.pending);
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const originalReadyPromise = anim.ready.catch(err => {
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assert_unreached('Original ready promise should not be rejected');
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});
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anim.effect = null;
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assert_equals(anim.playState, 'finished');
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assert_true(anim.pending);
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return originalReadyPromise;
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}, 'If new effect is null and old effect is not null the animation becomes'
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+ ' finish-pending');
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promise_test(async t => {
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const anim = new Animation();
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anim.pause();
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assert_true(anim.pending);
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anim.effect = new KeyframeEffect(createDiv(t),
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{ marginLeft: [ '0px', '100px' ] },
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100 * MS_PER_SEC);
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assert_true(anim.pending);
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await anim.ready;
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assert_false(anim.pending);
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assert_equals(anim.playState, 'paused');
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}, 'If animation has a pending pause task, reschedule that task to run ' +
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'as soon as animation is ready.');
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promise_test(async t => {
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const anim = new Animation();
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anim.play();
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assert_true(anim.pending);
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anim.effect = new KeyframeEffect(createDiv(t),
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{ marginLeft: [ '0px', '100px' ] },
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100 * MS_PER_SEC);
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assert_true(anim.pending);
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await anim.ready;
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assert_false(anim.pending);
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assert_equals(anim.playState, 'running');
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}, 'If animation has a pending play task, reschedule that task to run ' +
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'as soon as animation is ready to play new effect.');
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promise_test(async t => {
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const anim = createDiv(t).animate({ marginLeft: [ '0px', '100px' ] },
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100 * MS_PER_SEC);
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assert_equals(anim.playState, 'running');
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assert_true(anim.pending);
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const originalEffect = anim.effect;
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const originalReadyPromise = anim.ready;
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anim.effect = null;
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assert_equals(anim.playState, 'finished');
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assert_true(anim.pending);
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anim.effect = originalEffect;
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assert_equals(anim.playState, 'running');
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assert_true(anim.pending);
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await originalReadyPromise;
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assert_equals(anim.playState, 'running');
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assert_false(anim.pending);
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}, 'The pending play task should be rescheduled even after temporarily setting'
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+ ' the effect to null');
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promise_test(async t => {
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const animA = createDiv(t).animate({ marginLeft: [ '0px', '100px' ] },
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100 * MS_PER_SEC);
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const animB = new Animation();
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await animA.ready;
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animB.effect = animA.effect;
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assert_equals(animA.effect, null);
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assert_equals(animA.playState, 'finished');
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}, 'When setting the effect of an animation to the effect of an existing ' +
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'animation, the existing animation\'s target effect should be set to null.');
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test(t => {
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const animA = createDiv(t).animate({ marginLeft: [ '0px', '100px' ] },
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100 * MS_PER_SEC);
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const animB = new Animation();
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const effect = animA.effect;
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animA.currentTime = 50 * MS_PER_SEC;
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animB.currentTime = 20 * MS_PER_SEC;
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assert_equals(effect.getComputedTiming().progress, 0.5,
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'Original timing comes from first animation');
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animB.effect = effect;
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assert_equals(effect.getComputedTiming().progress, 0.2,
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'After setting the effect on a different animation, ' +
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'it uses the new animation\'s timing');
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}, 'After setting the target effect of animation to the target effect of an ' +
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'existing animation, the target effect\'s timing is updated to reflect ' +
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'the current time of the new animation.');
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promise_test(async t => {
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const anim = createDiv(t).animate(null, 100 * MS_PER_SEC);
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anim.updatePlaybackRate(2);
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assert_equals(anim.playbackRate, 1);
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anim.effect = null;
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await anim.ready;
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assert_equals(anim.playbackRate, 2);
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}, 'Setting the target effect to null causes a pending playback rate to be'
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+ ' applied');
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</script>
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</body>
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