summaryrefslogtreecommitdiffstats
path: root/dom/animation/test/chrome/test_running_on_compositor.html
blob: cd6c679b8e40c3b1a2898de61160aaecc6bbdd0a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
<!doctype html>
<head>
<meta charset=utf-8>
<title>Bug 1045994 - Add a chrome-only property to inspect if an animation is
       running on the compositor or not</title>
<script type="application/javascript" src="../testharness.js"></script>
<script type="application/javascript" src="../testharnessreport.js"></script>
<script type="application/javascript" src="../testcommon.js"></script>
<style>
@keyframes anim {
  to { transform: translate(100px) }
}
@keyframes transform-starts-with-none {
    0% { transform: none }
   99% { transform: none }
  100% { transform: translate(100px) }
}
@keyframes opacity {
  to { opacity: 0 }
}
@keyframes background_and_translate {
  to { background-color: red; transform: translate(100px); }
}
@keyframes background {
  to { background-color: red; }
}
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes rotate-and-opacity {
  from { transform: rotate(0deg); opacity: 1;}
  to { transform: rotate(360deg); opacity: 0;}
}
div {
  /* Element needs geometry to be eligible for layerization */
  width: 100px;
  height: 100px;
  background-color: white;
}
</style>
</head>
<body>
<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1045994"
  target="_blank">Mozilla Bug 1045994</a>
<div id="log"></div>
<script>
'use strict';

/** Test for bug 1045994 - Add a chrome-only property to inspect if an
    animation is running on the compositor or not **/

var omtaEnabled = isOMTAEnabled();

function assert_animation_is_running_on_compositor(animation, desc) {
  assert_equals(animation.isRunningOnCompositor, omtaEnabled,
                desc + ' at ' + animation.currentTime + 'ms');
}

function assert_animation_is_not_running_on_compositor(animation, desc) {
  assert_equals(animation.isRunningOnCompositor, false,
                desc + ' at ' + animation.currentTime + 'ms');
}

promise_test(function(t) {
  // FIXME: When we implement Element.animate, use that here instead of CSS
  // so that we remove any dependency on the CSS mapping.
  var div = addDiv(t, { style: 'animation: anim 100s' });
  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
       'Animation reports that it is running on the compositor'
       + ' during playback');

    div.style.animationPlayState = 'paused';

    return animation.ready;
  }).then(function() {
    assert_animation_is_not_running_on_compositor(animation,
       'Animation reports that it is NOT running on the compositor'
       + ' when paused');
  });
}, '');

promise_test(function(t) {
  var div = addDiv(t, { style: 'animation: background 100s' });
  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    assert_animation_is_not_running_on_compositor(animation,
       'Animation reports that it is NOT running on the compositor'
       + ' for animation of "background"');
  });
}, 'isRunningOnCompositor is false for animation of "background"');

promise_test(function(t) {
  var div = addDiv(t, { style: 'animation: background_and_translate 100s' });
  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
       'Animation reports that it is running on the compositor'
        + ' when the animation has two properties, where one can run'
        + ' on the compositor, the other cannot');
  });
}, 'isRunningOnCompositor is true if the animation has at least one ' +
   'property can run on compositor');

promise_test(function(t) {
  var div = addDiv(t, { style: 'animation: anim 100s' });
  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    animation.pause();
    return animation.ready;
  }).then(function() {
    assert_animation_is_not_running_on_compositor(animation,
       'Animation reports that it is NOT running on the compositor'
       + ' when animation.pause() is called');
  });
}, 'isRunningOnCompositor is false when the animation.pause() is called');

promise_test(function(t) {
  var div = addDiv(t, { style: 'animation: anim 100s' });
  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    animation.finish();
    assert_animation_is_not_running_on_compositor(animation,
       'Animation reports that it is NOT running on the compositor'
       + ' immediately after animation.finish() is called');
    // Check that we don't set the flag back again on the next tick.
    return waitForFrame();
  }).then(function() {
    assert_animation_is_not_running_on_compositor(animation,
       'Animation reports that it is NOT running on the compositor'
       + ' on the next tick after animation.finish() is called');
  });
}, 'isRunningOnCompositor is false when the animation.finish() is called');

promise_test(function(t) {
  var div = addDiv(t, { style: 'animation: anim 100s' });
  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    animation.currentTime = 100 * MS_PER_SEC;
    assert_animation_is_not_running_on_compositor(animation,
       'Animation reports that it is NOT running on the compositor'
       + ' immediately after manually seeking the animation to the end');
    // Check that we don't set the flag back again on the next tick.
    return waitForFrame();
  }).then(function() {
    assert_animation_is_not_running_on_compositor(animation,
       'Animation reports that it is NOT running on the compositor'
       + ' on the next tick after manually seeking the animation to the end');
  });
}, 'isRunningOnCompositor is false when manually seeking the animation to ' +
   'the end');

promise_test(function(t) {
  var div = addDiv(t, { style: 'animation: anim 100s' });
  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    animation.cancel();
    assert_animation_is_not_running_on_compositor(animation,
       'Animation reports that it is NOT running on the compositor'
       + ' immediately after animation.cancel() is called');
    // Check that we don't set the flag back again on the next tick.
    return waitForFrame();
  }).then(function() {
    assert_animation_is_not_running_on_compositor(animation,
       'Animation reports that it is NOT running on the compositor'
       + ' on the next tick after animation.cancel() is called');
  });
}, 'isRunningOnCompositor is false when animation.cancel() is called');

// This is to test that we don't simply clobber the flag when ticking
// animations and then set it again during painting.
promise_test(function(t) {
  var div = addDiv(t, { style: 'animation: anim 100s' });
  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    return new Promise(function(resolve) {
      window.requestAnimationFrame(function() {
        t.step(function() {
          assert_animation_is_running_on_compositor(animation,
            'Animation reports that it is running on the compositor'
             + ' in requestAnimationFrame callback');
        });

        resolve();
      });
    });
  });
}, 'isRunningOnCompositor is true in requestAnimationFrame callback');

promise_test(function(t) {
  var div = addDiv(t, { style: 'animation: anim 100s' });
  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    return new Promise(function(resolve) {
      var observer = new MutationObserver(function(records) {
        var changedAnimation;

        records.forEach(function(record) {
          changedAnimation =
            record.changedAnimations.find(function(changedAnim) {
              return changedAnim == animation;
            });
        });

        t.step(function() {
          assert_true(!!changedAnimation, 'The animation should be recorded '
            + 'as one of the changedAnimations');

          assert_animation_is_running_on_compositor(animation,
            'Animation reports that it is running on the compositor'
             + ' in MutationObserver callback');
        });

        resolve();
      });
      observer.observe(div, { animations: true, subtree: false });
      t.add_cleanup(function() {
        observer.disconnect();
      });
      div.style.animationDuration = "200s";
    });
  });
}, 'isRunningOnCompositor is true in MutationObserver callback');

// This is to test that we don't temporarily clear the flag when forcing
// an unthrottled sample.
promise_test(function(t) {
  return new Promise(function(resolve) {
    // Needs scrollbars to cause overflow.
    SpecialPowers.pushPrefEnv({ set: [["ui.showHideScrollbars", 1]] },
                              resolve);
  }).then(function() {
    var div = addDiv(t, { style: 'animation: rotate 100s' });
    var animation = div.getAnimations()[0];

    return animation.ready.then(function() {
      return new Promise(function(resolve) {
        var timeAtStart = window.performance.now();
        function handleFrame() {
          t.step(function() {
            assert_animation_is_running_on_compositor(animation,
              'Animation reports that it is running on the compositor'
               + ' in requestAnimationFrame callback');
          });

          // we have to wait at least 200ms because this animation is
          // unthrottled on every 200ms.
          // See http://hg.mozilla.org/mozilla-central/file/cafb1c90f794/layout/style/AnimationCommon.cpp#l863
          if (window.performance.now() - timeAtStart > 200) {
            resolve();
            return;
          }
          window.requestAnimationFrame(handleFrame);
        }
        window.requestAnimationFrame(handleFrame);
      });
    });
  });
}, 'isRunningOnCompositor remains true in requestAnimationFrameCallback for ' +
   'overflow animation');

promise_test(function(t) {
  var div = addDiv(t, { style: 'transition: opacity 100s; opacity: 1' });

  getComputedStyle(div).opacity;

  div.style.opacity = 0;
  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
       'Transition reports that it is running on the compositor'
       + ' during playback for opacity transition');
  });
}, 'isRunningOnCompositor for transitions');

promise_test(function(t) {
  var div = addDiv(t, { style: 'animation: rotate-and-opacity 100s; ' +
                               'backface-visibility: hidden; ' +
                               'transform: none !important;' });
  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
       'If an animation has a property that can run on the compositor and a '
       + 'property that cannot (due to Gecko limitations) but where the latter'
       + 'property is overridden in the CSS cascade, the animation should '
       + 'still report that it is running on the compositor');
  });
}, 'isRunningOnCompositor is true when a property that would otherwise block ' +
   'running on the compositor is overridden in the CSS cascade');

promise_test(function(t) {
  var animation = addDivAndAnimate(t,
                                   {},
                                   { opacity: [ 0, 1 ] }, 200 * MS_PER_SEC);

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
      'Animation reports that it is running on the compositor');

    animation.currentTime = 150 * MS_PER_SEC;
    animation.effect.timing.duration = 100 * MS_PER_SEC;

    assert_animation_is_not_running_on_compositor(animation,
       'Animation reports that it is NOT running on the compositor'
       + ' when the animation is set a shorter duration than current time');
  });
}, 'animation is immediately removed from compositor' +
   'when timing.duration is made shorter than the current time');

promise_test(function(t) {
  var animation = addDivAndAnimate(t,
                                   {},
                                   { opacity: [ 0, 1 ] }, 100 * MS_PER_SEC);

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
      'Animation reports that it is running on the compositor');

    animation.currentTime = 500 * MS_PER_SEC;

    assert_animation_is_not_running_on_compositor(animation,
      'Animation reports that it is NOT running on the compositor'
      + ' when finished');

    animation.effect.timing.duration = 1000 * MS_PER_SEC;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(animation,
      'Animation reports that it is running on the compositor'
      + ' when restarted');
  });
}, 'animation is added to compositor' +
   ' when timing.duration is made longer than the current time');

promise_test(function(t) {
  var animation = addDivAndAnimate(t,
                                   {},
                                   { opacity: [ 0, 1 ] }, 100 * MS_PER_SEC);

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
      'Animation reports that it is running on the compositor');

    animation.effect.timing.endDelay = 100 * MS_PER_SEC;

    assert_animation_is_running_on_compositor(animation,
      'Animation reports that it is running on the compositor'
      + ' when endDelay is changed');

    animation.currentTime = 110 * MS_PER_SEC;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_not_running_on_compositor(animation,
      'Animation reports that it is NOT running on the compositor'
      + ' when currentTime is during endDelay');
  });
}, 'animation is removed from compositor' +
   ' when current time is made longer than the duration even during endDelay');

promise_test(function(t) {
  var animation = addDivAndAnimate(t,
                                   {},
                                   { opacity: [ 0, 1 ] }, 100 * MS_PER_SEC);

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
      'Animation reports that it is running on the compositor');

    animation.effect.timing.endDelay = -200 * MS_PER_SEC;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_not_running_on_compositor(animation,
      'Animation reports that it is NOT running on the compositor'
      + ' when endTime is negative value');
  });
}, 'animation is removed from compositor' +
   ' when endTime is negative value');

promise_test(function(t) {
  var animation = addDivAndAnimate(t,
                                   {},
                                   { opacity: [ 0, 1 ] }, 200 * MS_PER_SEC);

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
      'Animation reports that it is running on the compositor');

    animation.effect.timing.endDelay = -100 * MS_PER_SEC;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(animation,
      'Animation reports that it is running on the compositor'
      + ' when endTime is positive and endDelay is negative');
    animation.currentTime = 110 * MS_PER_SEC;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_not_running_on_compositor(animation,
      'Animation reports that it is NOT running on the compositor'
      + ' when currentTime is after endTime');
  });
}, 'animation is NOT running on compositor' +
   ' when endTime is positive and endDelay is negative');

promise_test(function(t) {
  var effect = new KeyframeEffect(null,
                                  { opacity: [ 0, 1 ] },
                                  100 * MS_PER_SEC);
  var animation = new Animation(effect, document.timeline);
  animation.play();

  var div = addDiv(t);

  return animation.ready.then(function() {
    assert_animation_is_not_running_on_compositor(animation,
                  'Animation with null target reports that it is not running ' +
                  'on the compositor');

    animation.effect.target = div;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(animation,
                  'Animation reports that it is running on the compositor ' +
                  'after setting a valid target');
  });
}, 'animation is added to the compositor when setting a valid target');

promise_test(function(t) {
  var div = addDiv(t);
  var animation = div.animate({ opacity: [ 0, 1 ] }, 100 * MS_PER_SEC);

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
                  'Animation reports that it is running on the compositor');

    animation.effect.target = null;
    assert_animation_is_not_running_on_compositor(animation,
                  'Animation reports that it is NOT running on the ' +
                  'compositor after setting null target');
  });
}, 'animation is removed from the compositor when setting null target');

promise_test(function(t) {
  var div = addDiv(t);
  var animation = div.animate({ opacity: [ 0, 1 ] },
                              { duration: 100 * MS_PER_SEC,
                                delay: 100 * MS_PER_SEC,
                                fill: 'backwards' });

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
                  'Animation with fill:backwards in delay phase reports ' +
                  'that it is running on the compositor');

    animation.currentTime = 100 * MS_PER_SEC;
    return waitForFrame();
 }).then(function() {
    assert_animation_is_running_on_compositor(animation,
                  'Animation with fill:backwards in delay phase reports ' +
                  'that it is running on the compositor after delay phase');
  });
}, 'animation with fill:backwards in delay phase is running on the ' +
   ' main-thread while it is in delay phase');

promise_test(function(t) {
  var div = addDiv(t);
  var animation = div.animate([{ opacity: 1, offset: 0 },
                               { opacity: 1, offset: 0.99 },
                               { opacity: 0, offset: 1 }], 100 * MS_PER_SEC);

  var another = addDiv(t);

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
                  'Opacity animation on a 100% opacity keyframe reports ' +
                  'that it is running on the compositor from the begining');

    animation.effect.target = another;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(animation,
                  'Opacity animation on a 100% opacity keyframe keeps ' +
                  'running on the compositor after changing the target ' +
                  'element');
  });
}, '100% opacity animations with keeps running on the ' +
   'compositor after changing the target element');

promise_test(function(t) {
  var div = addDiv(t);
  var animation = div.animate({ color: ['red', 'black'] }, 100 * MS_PER_SEC);

  return animation.ready.then(function() {
    assert_animation_is_not_running_on_compositor(animation,
                  'Color animation reports that it is not running on the ' +
                  'compositor');

    animation.effect.setKeyframes([{ opacity: 1, offset: 0 },
                                   { opacity: 1, offset: 0.99 },
                                   { opacity: 0, offset: 1 }]);
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(animation,
                  '100% opacity animation set by using setKeyframes reports ' +
                  'that it is running on the compositor');
  });
}, '100% opacity animation set up by converting an existing animation with ' +
   'cannot be run on the compositor, is running on the compositor');

promise_test(function(t) {
  var div = addDiv(t);
  var animation = div.animate({ color: ['red', 'black'] }, 100 * MS_PER_SEC);
  var effect = new KeyframeEffect(div,
                                  [{ opacity: 1, offset: 0 },
                                   { opacity: 1, offset: 0.99 },
                                   { opacity: 0, offset: 1 }],
                                  100 * MS_PER_SEC);

  return animation.ready.then(function() {
    assert_animation_is_not_running_on_compositor(animation,
                  'Color animation reports that it is not running on the ' +
                  'compositor');

    animation.effect = effect;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(animation,
                  '100% opacity animation set up by changing effects reports ' +
                  'that it is running on the compositor');
  });
}, '100% opacity animation set up by changing the effects on an existing ' +
   'animation which cannot be run on the compositor, is running on the ' +
   'compositor');

promise_test(function(t) {
  var div = addDiv(t, { style: "opacity: 1 ! important" });

  var animation = div.animate({ opacity: [0, 1] }, 100 * MS_PER_SEC);

  return animation.ready.then(function() {
    assert_animation_is_not_running_on_compositor(animation,
      'Opacity animation on an element which has 100% opacity style with ' +
      '!important flag reports that it is not running on the compositor');
    // Clear important flag from the opacity style on the target element.
    div.style.setProperty("opacity", "1", "");
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(animation,
      'Opacity animation reports that it is running on the compositor after '
      + 'clearing the !important flag');
  });
}, 'Clearing *important* opacity style on the target element sends the ' +
   'animation to the compositor');

promise_test(function(t) {
  var div = addDiv(t);
  var lowerAnimation = div.animate({ opacity: [1, 0] }, 100 * MS_PER_SEC);
  var higherAnimation = div.animate({ opacity: [0, 1] }, 100 * MS_PER_SEC);

  return Promise.all([lowerAnimation.ready, higherAnimation.ready]).then(function() {
    assert_animation_is_running_on_compositor(higherAnimation,
                  'A higher-priority opacity animation on an element ' +
                  'reports that it is running on the compositor');
    assert_animation_is_running_on_compositor(lowerAnimation,
                  'A lower-priority opacity animation on the same ' +
                  'element also reports that it is running on the compositor');
  });
}, 'Opacity animations on the same element run on the compositor');

promise_test(function(t) {
  var div = addDiv(t, { style: 'transition: opacity 100s; opacity: 1' });

  getComputedStyle(div).opacity;

  div.style.opacity = 0;
  getComputedStyle(div).opacity;

  var transition = div.getAnimations()[0];
  var animation = div.animate({ opacity: [0, 1] }, 100 * MS_PER_SEC);

  return Promise.all([transition.ready, animation.ready]).then(function() {
    assert_animation_is_running_on_compositor(animation,
                  'An opacity animation on an element reports that' +
                  'that it is running on the compositor');
    assert_animation_is_running_on_compositor(transition,
                  'An opacity transition on the same element reports that ' +
                  'it is running on the compositor');
  });
}, 'Both of transition and script animation on the same element run on the ' +
   'compositor');

promise_test(function(t) {
  var div = addDiv(t);
  var importantOpacityElement = addDiv(t, { style: "opacity: 1 ! important" });

  var animation = div.animate({ opacity: [1, 0] }, 100 * MS_PER_SEC);

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
                  'Opacity animation on an element reports ' +
                  'that it is running on the compositor');

    animation.effect.target = null;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_not_running_on_compositor(animation,
                  'Animation is no longer running on the compositor after ' +
                  'removing from the element');
    animation.effect.target = importantOpacityElement;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_not_running_on_compositor(animation,
                  'Animation is NOT running on the compositor even after ' +
                  'being applied to a different element which has an ' +
                  '!important opacity declaration');
  });
}, 'Animation continues not running on the compositor after being ' +
   'applied to an element which has an important declaration and ' +
   'having previously been temporarily associated with no target element');

promise_test(function(t) {
  var div = addDiv(t);
  var another = addDiv(t);

  var lowerAnimation = div.animate({ opacity: [1, 0] }, 100 * MS_PER_SEC);
  var higherAnimation = another.animate({ opacity: [0, 1] }, 100 * MS_PER_SEC);

  return Promise.all([lowerAnimation.ready, higherAnimation.ready]).then(function() {
    assert_animation_is_running_on_compositor(lowerAnimation,
                  'An opacity animation on an element reports that ' +
                  'it is running on the compositor');
    assert_animation_is_running_on_compositor(higherAnimation,
                  'Opacity animation on a different element reports ' +
                  'that it is running on the compositor');

    lowerAnimation.effect.target = null;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_not_running_on_compositor(lowerAnimation,
                  'Animation is no longer running on the compositor after ' +
                  'being removed from the element');
    lowerAnimation.effect.target = another;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(lowerAnimation,
                  'A lower-priority animation begins running ' +
                  'on the compositor after being applied to an element ' +
                  'which has a higher-priority animation');
    assert_animation_is_running_on_compositor(higherAnimation,
                  'A higher-priority animation continues to run on the ' +
                  'compositor even after a lower-priority animation is ' +
                  'applied to the same element');
  });
}, 'Animation begins running on the compositor after being applied ' +
   'to an element which has a higher-priority animation and after ' +
   'being temporarily associated with no target element');

promise_test(function(t) {
  var div = addDiv(t);
  var another = addDiv(t);

  var lowerAnimation = div.animate({ opacity: [1, 0] }, 100 * MS_PER_SEC);
  var higherAnimation = another.animate({ opacity: [0, 1] }, 100 * MS_PER_SEC);

  return Promise.all([lowerAnimation.ready, higherAnimation.ready]).then(function() {
    assert_animation_is_running_on_compositor(lowerAnimation,
                  'An opacity animation on an element reports that ' +
                  'it is running on the compositor');
    assert_animation_is_running_on_compositor(higherAnimation,
                  'Opacity animation on a different element reports ' +
                  'that it is running on the compositor');

    higherAnimation.effect.target = null;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_not_running_on_compositor(higherAnimation,
                  'Animation is no longer running on the compositor after ' +
                  'being removed from the element');
    higherAnimation.effect.target = div;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(lowerAnimation,
                  'Animation continues running on the compositor after ' +
                  'a higher-priority animation applied to the same element');
    assert_animation_is_running_on_compositor(higherAnimation,
                  'A higher-priority animation begins to running on the ' +
                  'compositor after being applied to an element which has ' +
                  'a lower-priority-animation');
  });
}, 'Animation begins running on the compositor after being applied ' +
   'to an element which has a lower-priority animation once after ' +
   'disassociating with an element');

var delayPhaseTests = [
  {
    desc: 'script animation of opacity',
    setupAnimation: function(t) {
      return addDiv(t).animate(
        { opacity: [0, 1] },
        { delay: 100 * MS_PER_SEC, duration: 100 * MS_PER_SEC });
    },
  },
  {
    desc: 'script animation of transform',
    setupAnimation: function(t) {
      return addDiv(t).animate(
        { transform: ['translateX(0px)', 'translateX(100px)'] },
        { delay: 100 * MS_PER_SEC, duration: 100 * MS_PER_SEC });
    },
  },
  {
    desc: 'CSS animation of opacity',
    setupAnimation: function(t) {
      return addDiv(t, { style: 'animation: opacity 100s 100s' })
        .getAnimations()[0];
    },
  },
  {
    desc: 'CSS animation of transform',
    setupAnimation: function(t) {
      return addDiv(t, { style: 'animation: anim 100s 100s' })
        .getAnimations()[0];
    },
  },
  {
    desc: 'CSS transition of opacity',
    setupAnimation: function(t) {
      var div = addDiv(t, { style: 'transition: opacity 100s 100s' });
      getComputedStyle(div).opacity;

      div.style.opacity = 0;
      return div.getAnimations()[0];
    },
  },
  {
    desc: 'CSS transition of transform',
    setupAnimation: function(t) {
      var div = addDiv(t, { style: 'transition: transform 100s 100s' });
      getComputedStyle(div).transform;

      div.style.transform = 'translateX(100px)';
      return div.getAnimations()[0];
    },
  },
];

delayPhaseTests.forEach(function(test) {
  promise_test(function(t) {
    var animation = test.setupAnimation(t);

    return animation.ready.then(function() {
      assert_animation_is_running_on_compositor(animation,
         test.desc + ' reports that it is running on the '
         + 'compositor even though it is in the delay phase');
    });
  }, 'isRunningOnCompositor for ' + test.desc + ' is true even though ' +
     'it is in the delay phase');
});

// The purpose of thie test cases is to check that
// NS_FRAME_MAY_BE_TRANSFORMED flag on the associated nsIFrame persists
// after transform style on the frame is removed.
var delayPhaseWithTransformStyleTests = [
  {
    desc: 'script animation of transform with transform style',
    setupAnimation: function(t) {
      return addDiv(t, { style: 'transform: translateX(10px)' }).animate(
        { transform: ['translateX(0px)', 'translateX(100px)'] },
        { delay: 100 * MS_PER_SEC, duration: 100 * MS_PER_SEC });
    },
  },
  {
    desc: 'CSS animation of transform with transform style',
    setupAnimation: function(t) {
      return addDiv(t, { style: 'animation: anim 100s 100s;' +
                                'transform: translateX(10px)' })
        .getAnimations()[0];
    },
  },
  {
    desc: 'CSS transition of transform with transform style',
    setupAnimation: function(t) {
      var div = addDiv(t, { style: 'transition: transform 100s 100s;' +
                                   'transform: translateX(10px)'});
      getComputedStyle(div).transform;

      div.style.transform = 'translateX(100px)';
      return div.getAnimations()[0];
    },
  },
];

delayPhaseWithTransformStyleTests.forEach(function(test) {
  promise_test(function(t) {
    var animation = test.setupAnimation(t);

    return animation.ready.then(function() {
      assert_animation_is_running_on_compositor(animation,
         test.desc + ' reports that it is running on the '
         + 'compositor even though it is in the delay phase');
    }).then(function() {
      // Remove the initial transform style during delay phase.
      animation.effect.target.style.transform = 'none';
      return animation.ready;
    }).then(function() {
      assert_animation_is_running_on_compositor(animation,
         test.desc + ' reports that it keeps running on the '
         + 'compositor after removing the initial transform style');
    });
  }, 'isRunningOnCompositor for ' + test.desc + ' is true after removing ' +
     'the initial transform style during the delay phase');
});

var startsWithNoneTests = [
  {
    desc: 'script animation of transform starts with transform:none segment',
    setupAnimation: function(t) {
      return addDiv(t).animate(
        { transform: ['none', 'none', 'translateX(100px)'] }, 100 * MS_PER_SEC);
    },
  },
  {
    desc: 'CSS animation of transform starts with transform:none segment',
    setupAnimation: function(t) {
      return addDiv(t,
        { style: 'animation: transform-starts-with-none 100s 100s' })
          .getAnimations()[0];
    },
  },
];

startsWithNoneTests.forEach(function(test) {
  promise_test(function(t) {
    var animation = test.setupAnimation(t);

    return animation.ready.then(function() {
      assert_animation_is_running_on_compositor(animation,
         test.desc + ' reports that it is running on the '
         + 'compositor even though it is in transform:none segment');
    });
  }, 'isRunningOnCompositor for ' + test.desc + ' is true even though ' +
     'it is in transform:none segment');
});

promise_test(function(t) {
  var div = addDiv(t, { style: 'opacity: 1 ! important' });

  var animation = div.animate(
    { opacity: [0, 1] },
    { delay: 100 * MS_PER_SEC, duration: 100 * MS_PER_SEC });

  return animation.ready.then(function() {
    assert_animation_is_not_running_on_compositor(animation,
      'Opacity animation on an element which has opacity:1 important style'
      + 'reports that it is not running on the compositor');
    // Clear the opacity style on the target element.
    div.style.setProperty("opacity", "1", "");
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(animation,
      'Opacity animations reports that it is running on the compositor after '
      + 'clearing the opacity style on the element');
  });
}, 'Clearing *important* opacity style on the target element sends the ' +
   'animation to the compositor even if the animation is in the delay phase');

promise_test(function(t) {
  var opaqueDiv = addDiv(t, { style: 'opacity: 1 ! important' });
  var anotherDiv = addDiv(t);

  var animation = opaqueDiv.animate(
    { opacity: [0, 1] },
    { delay: 100 * MS_PER_SEC, duration: 100 * MS_PER_SEC });

  return animation.ready.then(function() {
    assert_animation_is_not_running_on_compositor(animation,
      'Opacity animation on an element which has opacity:1 important style'
      + 'reports that it is not running on the compositor');
    // Changing target element to another element which has no opacity style.
    animation.effect.target = anotherDiv;
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(animation,
      'Opacity animations reports that it is running on the compositor after '
      + 'changing the target element to another elemenent having no '
      + 'opacity style');
  });
}, 'Changing target element of opacity animation sends the animation to the ' +
   'the compositor even if the animation is in the delay phase');

promise_test(function(t) {
  var animation =
    addDivAndAnimate(t,
                     {},
                     { width: ['100px', '200px'] },
                     { duration: 100 * MS_PER_SEC, delay: 100 * MS_PER_SEC });

  return animation.ready.then(function() {
    assert_animation_is_not_running_on_compositor(animation,
      'Width animation reports that it is not running on the compositor '
      + 'in the delay phase');
    // Changing to property runnable on the compositor.
    animation.effect.setKeyframes({ opacity: [0, 1] });
    return waitForFrame();
  }).then(function() {
    assert_animation_is_running_on_compositor(animation,
      'Opacity animation reports that it is running on the compositor '
      + 'after changing the property from width property in the delay phase');
  });
}, 'Dynamic change to a property runnable on the compositor ' +
   'in the delay phase');

promise_test(function(t) {
  var div = addDiv(t, { style: 'transition: opacity 100s; ' +
                               'opacity: 0 !important' });
  getComputedStyle(div).opacity;

  div.style.setProperty('opacity', '1', 'important');
  getComputedStyle(div).opacity;

  var animation = div.getAnimations()[0];

  return animation.ready.then(function() {
    assert_animation_is_running_on_compositor(animation,
       'Transition reports that it is running on the compositor even if the ' +
       'property is overridden by an !important rule');
  });
}, 'Transitions override important rules');

promise_test(function(t) {
  var div = addDiv(t, { style: 'transition: opacity 100s; ' +
                               'opacity: 0 !important' });
  getComputedStyle(div).opacity;

  div.animate({ opacity: [ 0, 1 ] }, 100 * MS_PER_SEC);

  div.style.setProperty('opacity', '1', 'important');
  getComputedStyle(div).opacity;

  var [transition, animation] = div.getAnimations();

  return Promise.all([transition.ready, animation.ready]).then(function() {
    assert_animation_is_not_running_on_compositor(transition,
       'Transition suppressed by an animation which is overridden by an ' +
       '!important rule reports that it is NOT running on the compositor');
    assert_animation_is_not_running_on_compositor(animation,
       'Animation overridden by an !important rule reports that it is ' +
       'NOT running on the compositor');
  });
}, 'Neither transition nor animation does run on the compositor if the ' +
   'property is overridden by an !important rule');

</script>
</body>