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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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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef ScrollAnimator_h | 31 #ifndef ScrollAnimator_h |
32 #define ScrollAnimator_h | 32 #define ScrollAnimator_h |
33 | 33 |
34 #include "platform/Timer.h" | 34 #include "platform/Timer.h" |
35 #include "platform/animation/CompositorAnimationDelegate.h" | 35 #include "platform/animation/CompositorAnimationDelegate.h" |
36 #include "platform/animation/CompositorAnimationPlayerClient.h" | 36 #include "platform/animation/CompositorAnimationPlayerClient.h" |
37 #include "platform/animation/CompositorScrollOffsetAnimationCurve.h" | 37 #include "platform/animation/CompositorScrollOffsetAnimationCurve.h" |
38 #include "platform/geometry/FloatPoint.h" | |
39 #include "platform/scroll/ScrollAnimatorBase.h" | 38 #include "platform/scroll/ScrollAnimatorBase.h" |
40 #include <memory> | 39 #include <memory> |
41 | 40 |
42 namespace blink { | 41 namespace blink { |
43 | 42 |
44 class ScrollAnimatorTest; | 43 class ScrollAnimatorTest; |
45 class CompositorAnimationTimeline; | 44 class CompositorAnimationTimeline; |
46 | 45 |
47 class PLATFORM_EXPORT ScrollAnimator : public ScrollAnimatorBase { | 46 class PLATFORM_EXPORT ScrollAnimator : public ScrollAnimatorBase { |
48 public: | 47 public: |
49 explicit ScrollAnimator(ScrollableArea*, | 48 explicit ScrollAnimator(ScrollableArea*, |
50 WTF::TimeFunction = WTF::monotonicallyIncreasingTime); | 49 WTF::TimeFunction = WTF::monotonicallyIncreasingTime); |
51 ~ScrollAnimator() override; | 50 ~ScrollAnimator() override; |
52 | 51 |
53 bool hasRunningAnimation() const override; | 52 bool hasRunningAnimation() const override; |
54 FloatSize computeDeltaToConsume(const FloatSize& delta) const override; | 53 ScrollOffset computeDeltaToConsume(const ScrollOffset& delta) const override; |
55 | 54 |
56 ScrollResult userScroll(ScrollGranularity, const FloatSize& delta) override; | 55 ScrollResult userScroll(ScrollGranularity, |
57 void scrollToOffsetWithoutAnimation(const FloatPoint&) override; | 56 const ScrollOffset& delta) override; |
58 FloatPoint desiredTargetPosition() const override; | 57 void scrollToOffsetWithoutAnimation(const ScrollOffset&) override; |
| 58 ScrollOffset desiredTargetOffset() const override; |
59 | 59 |
60 // ScrollAnimatorCompositorCoordinator implementation. | 60 // ScrollAnimatorCompositorCoordinator implementation. |
61 void tickAnimation(double monotonicTime) override; | 61 void tickAnimation(double monotonicTime) override; |
62 void cancelAnimation() override; | 62 void cancelAnimation() override; |
63 void adjustAnimationAndSetScrollPosition(const DoublePoint& position, | 63 void adjustAnimationAndSetScrollOffset(const ScrollOffset&, |
64 ScrollType) override; | 64 ScrollType) override; |
65 void takeOverCompositorAnimation() override; | 65 void takeOverCompositorAnimation() override; |
66 void resetAnimationState() override; | 66 void resetAnimationState() override; |
67 void updateCompositorAnimations() override; | 67 void updateCompositorAnimations() override; |
68 void notifyCompositorAnimationFinished(int groupId) override; | 68 void notifyCompositorAnimationFinished(int groupId) override; |
69 void notifyCompositorAnimationAborted(int groupId) override; | 69 void notifyCompositorAnimationAborted(int groupId) override; |
70 void layerForCompositedScrollingDidChange( | 70 void layerForCompositedScrollingDidChange( |
71 CompositorAnimationTimeline*) override; | 71 CompositorAnimationTimeline*) override; |
72 | 72 |
73 DECLARE_VIRTUAL_TRACE(); | 73 DECLARE_VIRTUAL_TRACE(); |
74 | 74 |
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89 // could not be scheduled (e.g. because the frame is detached), scrolls | 89 // could not be scheduled (e.g. because the frame is detached), scrolls |
90 // immediately to the target and returns false. | 90 // immediately to the target and returns false. |
91 bool registerAndScheduleAnimation(); | 91 bool registerAndScheduleAnimation(); |
92 | 92 |
93 void createAnimationCurve(); | 93 void createAnimationCurve(); |
94 void postAnimationCleanupAndReset(); | 94 void postAnimationCleanupAndReset(); |
95 | 95 |
96 void addMainThreadScrollingReason(); | 96 void addMainThreadScrollingReason(); |
97 void removeMainThreadScrollingReason(); | 97 void removeMainThreadScrollingReason(); |
98 | 98 |
99 // Returns true if will animate to the given target position. Returns false | 99 // Returns true if will animate to the given target offset. Returns false |
100 // only when there is no animation running and we are not starting one | 100 // only when there is no animation running and we are not starting one |
101 // because we are already at targetPos. | 101 // because we are already at targetPos. |
102 bool willAnimateToOffset(const FloatPoint& targetPos); | 102 bool willAnimateToOffset(const ScrollOffset& targetPos); |
103 | 103 |
104 FloatPoint m_targetOffset; | 104 ScrollOffset m_targetOffset; |
105 ScrollGranularity m_lastGranularity; | 105 ScrollGranularity m_lastGranularity; |
106 }; | 106 }; |
107 | 107 |
108 } // namespace blink | 108 } // namespace blink |
109 | 109 |
110 #endif // ScrollAnimator_h | 110 #endif // ScrollAnimator_h |
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