Source/core/animation/CompositorAnimations.h - Issue 851693007: Prepare for responsive CSS animations.

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Issue 851693007: Prepare for responsive CSS animations. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Compositor restarts after style change Created 5 years, 11 months ago

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1 /*	1 /*

2 * Copyright (C) 2013 Google Inc. All rights reserved.	2 * Copyright (C) 2013 Google Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions are	5 * modification, are permitted provided that the following conditions are

6 * met:	6 * met:

7 *	7 *

8 * * Redistributions of source code must retain the above copyright	8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.	9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above	10 * * Redistributions in binary form must reproduce the above

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38	38

39 namespace blink {	39 namespace blink {

40	40

41 class Element;	41 class Element;

42 class FloatBox;	42 class FloatBox;

43	43

44 class CompositorAnimations {	44 class CompositorAnimations {

45 public:	45 public:

46 static CompositorAnimations* instance() { return instance(0); }	46 static CompositorAnimations* instance() { return instance(0); }

47 static void setInstanceForTesting(CompositorAnimations* newInstance) { insta nce(newInstance); }	47 static void setInstanceForTesting(CompositorAnimations* newInstance) { insta nce(newInstance); }

	48 static bool isCompositableProperty(CSSPropertyID property) { return property == CSSPropertyOpacity \|\| property == CSSPropertyTransform \|\| property == CSSPro pertyWebkitFilter; }

48	49

49 virtual bool isCandidateForAnimationOnCompositor(const Timing&, const Animat ionEffect&, double playerPlaybackRate);	50 virtual bool isCandidateForAnimationOnCompositor(const Timing&, const Animat ionEffect&, double playerPlaybackRate);

50 virtual bool canStartAnimationOnCompositor(const Element&);	51 virtual bool canStartAnimationOnCompositor(const Element&);

51 // FIXME: This should return void. We should know ahead of time whether thes e animations can be started.	52 // FIXME: This should return void. We should know ahead of time whether thes e animations can be started.

52 virtual bool startAnimationOnCompositor(const Element&, int group, double st artTime, double timeOffset, const Timing&, const AnimationEffect&, Vector<int>& startedAnimationIds, double playerPlaybackRate);	53 virtual bool startAnimationOnCompositor(const Element&, int group, double st artTime, double timeOffset, const Timing&, const AnimationEffect&, Vector<int>& startedAnimationIds, double playerPlaybackRate);

53 virtual void cancelAnimationOnCompositor(const Element&, int id);	54 virtual void cancelAnimationOnCompositor(const Element&, int id);

54 virtual void pauseAnimationForTestingOnCompositor(const Element&, int id, do uble pauseTime);	55 virtual void pauseAnimationForTestingOnCompositor(const Element&, int id, do uble pauseTime);

55	56

56 virtual bool getAnimatedBoundingBox(FloatBox&, const AnimationEffect&, doubl e minValue, double maxValue) const;	57 virtual bool getAnimatedBoundingBox(FloatBox&, const AnimationEffect&, doubl e minValue, double maxValue) const;

57 protected:	58 protected:

58 CompositorAnimations() { }	59 CompositorAnimations() { }

59	60

60 private:	61 private:

61 static CompositorAnimations* instance(CompositorAnimations* newInstance)	62 static CompositorAnimations* instance(CompositorAnimations* newInstance)

62 {	63 {

63 static CompositorAnimations* instance = new CompositorAnimations();	64 static CompositorAnimations* instance = new CompositorAnimations();

64 if (newInstance) {	65 if (newInstance) {

65 instance = newInstance;	66 instance = newInstance;

66 }	67 }

67 return instance;	68 return instance;

68 }	69 }

69 };	70 };

70	71

71 } // namespace blink	72 } // namespace blink

72	73

73 #endif	74 #endif

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