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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef ProgrammaticScrollAnimator_h | 5 #ifndef ProgrammaticScrollAnimator_h |
6 #define ProgrammaticScrollAnimator_h | 6 #define ProgrammaticScrollAnimator_h |
7 | 7 |
8 #include "platform/geometry/FloatPoint.h" | |
9 #include "platform/heap/Handle.h" | 8 #include "platform/heap/Handle.h" |
10 #include "platform/scroll/ScrollAnimatorCompositorCoordinator.h" | 9 #include "platform/scroll/ScrollAnimatorCompositorCoordinator.h" |
11 #include "wtf/Allocator.h" | 10 #include "wtf/Allocator.h" |
12 #include "wtf/Noncopyable.h" | 11 #include "wtf/Noncopyable.h" |
13 #include <memory> | 12 #include <memory> |
14 | 13 |
15 namespace blink { | 14 namespace blink { |
16 | 15 |
17 class ScrollableArea; | 16 class ScrollableArea; |
18 class CompositorAnimationTimeline; | 17 class CompositorAnimationTimeline; |
19 class CompositorScrollOffsetAnimationCurve; | 18 class CompositorScrollOffsetAnimationCurve; |
20 | 19 |
21 // Animator for fixed-destination scrolls, such as those triggered by | 20 // Animator for fixed-destination scrolls, such as those triggered by |
22 // CSSOM View scroll APIs. | 21 // CSSOM View scroll APIs. |
23 class ProgrammaticScrollAnimator : public ScrollAnimatorCompositorCoordinator { | 22 class ProgrammaticScrollAnimator : public ScrollAnimatorCompositorCoordinator { |
24 WTF_MAKE_NONCOPYABLE(ProgrammaticScrollAnimator); | 23 WTF_MAKE_NONCOPYABLE(ProgrammaticScrollAnimator); |
25 | 24 |
26 public: | 25 public: |
27 static ProgrammaticScrollAnimator* create(ScrollableArea* scrollableArea) { | 26 static ProgrammaticScrollAnimator* create(ScrollableArea* scrollableArea) { |
28 return new ProgrammaticScrollAnimator(scrollableArea); | 27 return new ProgrammaticScrollAnimator(scrollableArea); |
29 } | 28 } |
30 | 29 |
31 virtual ~ProgrammaticScrollAnimator(); | 30 virtual ~ProgrammaticScrollAnimator(); |
32 | 31 |
33 void scrollToOffsetWithoutAnimation(const FloatPoint&); | 32 void scrollToOffsetWithoutAnimation(const ScrollOffset&); |
34 void animateToOffset(FloatPoint); | 33 void animateToOffset(const ScrollOffset&); |
35 | 34 |
36 // ScrollAnimatorCompositorCoordinator implementation. | 35 // ScrollAnimatorCompositorCoordinator implementation. |
37 void resetAnimationState() override; | 36 void resetAnimationState() override; |
38 void cancelAnimation() override; | 37 void cancelAnimation() override; |
39 void takeOverCompositorAnimation() override{}; | 38 void takeOverCompositorAnimation() override{}; |
40 ScrollableArea* getScrollableArea() const override { | 39 ScrollableArea* getScrollableArea() const override { |
41 return m_scrollableArea; | 40 return m_scrollableArea; |
42 } | 41 } |
43 void tickAnimation(double monotonicTime) override; | 42 void tickAnimation(double monotonicTime) override; |
44 void updateCompositorAnimations() override; | 43 void updateCompositorAnimations() override; |
45 void notifyCompositorAnimationFinished(int groupId) override; | 44 void notifyCompositorAnimationFinished(int groupId) override; |
46 void notifyCompositorAnimationAborted(int groupId) override{}; | 45 void notifyCompositorAnimationAborted(int groupId) override{}; |
47 void layerForCompositedScrollingDidChange( | 46 void layerForCompositedScrollingDidChange( |
48 CompositorAnimationTimeline*) override; | 47 CompositorAnimationTimeline*) override; |
49 | 48 |
50 DECLARE_TRACE(); | 49 DECLARE_TRACE(); |
51 | 50 |
52 private: | 51 private: |
53 explicit ProgrammaticScrollAnimator(ScrollableArea*); | 52 explicit ProgrammaticScrollAnimator(ScrollableArea*); |
54 | 53 |
55 void notifyPositionChanged(const DoublePoint&); | 54 void notifyOffsetChanged(const ScrollOffset&); |
56 | 55 |
57 Member<ScrollableArea> m_scrollableArea; | 56 Member<ScrollableArea> m_scrollableArea; |
58 std::unique_ptr<CompositorScrollOffsetAnimationCurve> m_animationCurve; | 57 std::unique_ptr<CompositorScrollOffsetAnimationCurve> m_animationCurve; |
59 FloatPoint m_targetOffset; | 58 ScrollOffset m_targetOffset; |
60 double m_startTime; | 59 double m_startTime; |
61 }; | 60 }; |
62 | 61 |
63 } // namespace blink | 62 } // namespace blink |
64 | 63 |
65 #endif // ProgrammaticScrollAnimator_h | 64 #endif // ProgrammaticScrollAnimator_h |
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