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1 /* | 1 /* |
2 * Copyright (c) 2011, Google Inc. All rights reserved. | 2 * Copyright (c) 2011, 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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36 #include "platform/animation/CompositorScrollOffsetAnimationCurve.h" | 36 #include "platform/animation/CompositorScrollOffsetAnimationCurve.h" |
37 #include "platform/geometry/FloatPoint.h" | 37 #include "platform/geometry/FloatPoint.h" |
38 #include "platform/scroll/ScrollAnimatorBase.h" | 38 #include "platform/scroll/ScrollAnimatorBase.h" |
39 #include "public/platform/WebCompositorAnimationDelegate.h" | 39 #include "public/platform/WebCompositorAnimationDelegate.h" |
40 | 40 |
41 namespace blink { | 41 namespace blink { |
42 | 42 |
43 class ScrollAnimatorTest; | 43 class ScrollAnimatorTest; |
44 class CompositorAnimationTimeline; | 44 class CompositorAnimationTimeline; |
45 | 45 |
46 class PLATFORM_EXPORT ScrollAnimator final : public ScrollAnimatorBase { | 46 class PLATFORM_EXPORT ScrollAnimator : public ScrollAnimatorBase { |
47 public: | 47 public: |
48 explicit ScrollAnimator(ScrollableArea*, WTF::TimeFunction = WTF::monotonica
llyIncreasingTime); | 48 explicit ScrollAnimator(ScrollableArea*, WTF::TimeFunction = WTF::monotonica
llyIncreasingTime); |
49 ~ScrollAnimator() override; | 49 ~ScrollAnimator() override; |
50 | 50 |
51 bool hasRunningAnimation() const override; | 51 bool hasRunningAnimation() const override; |
52 float computeDeltaToConsume(ScrollbarOrientation, float pixelDelta) const ov
erride; | 52 float computeDeltaToConsume(ScrollbarOrientation, float pixelDelta) const ov
erride; |
53 | 53 |
54 ScrollResultOneDimensional userScroll(ScrollbarOrientation, ScrollGranularit
y, float step, float delta) override; | 54 ScrollResultOneDimensional userScroll(ScrollbarOrientation, ScrollGranularit
y, float step, float delta) override; |
55 void scrollToOffsetWithoutAnimation(const FloatPoint&) override; | 55 void scrollToOffsetWithoutAnimation(const FloatPoint&) override; |
56 FloatPoint desiredTargetPosition() const override; | 56 FloatPoint desiredTargetPosition() const override; |
57 | 57 |
58 // ScrollAnimatorCompositorCoordinator implementation. | 58 // ScrollAnimatorCompositorCoordinator implementation. |
59 void tickAnimation(double monotonicTime) override; | 59 void tickAnimation(double monotonicTime) override; |
60 void cancelAnimation() override; | 60 void cancelAnimation() override; |
| 61 void takeoverCompositorAnimation() override; |
61 void resetAnimationState() override; | 62 void resetAnimationState() override; |
62 void updateCompositorAnimations() override; | 63 void updateCompositorAnimations() override; |
63 void notifyCompositorAnimationFinished(int groupId) override; | 64 void notifyCompositorAnimationFinished(int groupId) override; |
64 void notifyCompositorAnimationAborted(int groupId) override; | 65 void notifyCompositorAnimationAborted(int groupId) override; |
65 void layerForCompositedScrollingDidChange(CompositorAnimationTimeline*) over
ride; | 66 void layerForCompositedScrollingDidChange(CompositorAnimationTimeline*) over
ride; |
66 | 67 |
67 DECLARE_VIRTUAL_TRACE(); | 68 DECLARE_VIRTUAL_TRACE(); |
68 | 69 |
69 protected: | 70 protected: |
| 71 // Returns whether or not the animation was sent to the compositor. |
| 72 virtual bool sendAnimationToCompositor(); |
| 73 |
70 void notifyAnimationTakeover( | 74 void notifyAnimationTakeover( |
71 double monotonicTime, | 75 double monotonicTime, |
72 double animationStartTime, | 76 double animationStartTime, |
73 scoped_ptr<cc::AnimationCurve>) override; | 77 scoped_ptr<cc::AnimationCurve>) override; |
74 | 78 |
75 OwnPtr<CompositorScrollOffsetAnimationCurve> m_animationCurve; | 79 OwnPtr<CompositorScrollOffsetAnimationCurve> m_animationCurve; |
76 double m_startTime; | 80 double m_startTime; |
77 WTF::TimeFunction m_timeFunction; | 81 WTF::TimeFunction m_timeFunction; |
78 | 82 |
79 private: | 83 private: |
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92 // because we are already at targetPos. | 96 // because we are already at targetPos. |
93 bool willAnimateToOffset(const FloatPoint& targetPos); | 97 bool willAnimateToOffset(const FloatPoint& targetPos); |
94 | 98 |
95 FloatPoint m_targetOffset; | 99 FloatPoint m_targetOffset; |
96 ScrollGranularity m_lastGranularity; | 100 ScrollGranularity m_lastGranularity; |
97 }; | 101 }; |
98 | 102 |
99 } // namespace blink | 103 } // namespace blink |
100 | 104 |
101 #endif // ScrollAnimator_h | 105 #endif // ScrollAnimator_h |
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