third_party/WebKit/Source/platform/scroll/ProgrammaticScrollAnimator.h - Issue 1534813004: Run smooth scroll animations on the compositor when possible

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Issue 1534813004: Run smooth scroll animations on the compositor when possible (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: nit Created 5 years ago

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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"	8 #include "platform/geometry/FloatPoint.h"

9 #include "platform/heap/Handle.h"	9 #include "platform/heap/Handle.h"

10 #include "platform/scroll/ScrollAnimatorCompositorCoordinator.h"	10 #include "platform/scroll/ScrollAnimatorCompositorCoordinator.h"

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27 public:	27 public:

28 static PassOwnPtrWillBeRawPtr<ProgrammaticScrollAnimator> create(ScrollableA rea*);	28 static PassOwnPtrWillBeRawPtr<ProgrammaticScrollAnimator> create(ScrollableA rea*);

29	29

30 virtual ~ProgrammaticScrollAnimator();	30 virtual ~ProgrammaticScrollAnimator();

31	31

32 void scrollToOffsetWithoutAnimation(const FloatPoint&);	32 void scrollToOffsetWithoutAnimation(const FloatPoint&);

33 void animateToOffset(FloatPoint);	33 void animateToOffset(FloatPoint);

34	34

35 // ScrollAnimatorCompositorCoordinator implementation.	35 // ScrollAnimatorCompositorCoordinator implementation.

36 void resetAnimationState() override;	36 void resetAnimationState() override;

	37 void cancelAnimation() override;

37 ScrollableArea* scrollableArea() const override { return m_scrollableArea; }	38 ScrollableArea* scrollableArea() const override { return m_scrollableArea; }

38 void tickAnimation(double monotonicTime) override;	39 void tickAnimation(double monotonicTime) override;

39 void updateCompositorAnimations() override;	40 void updateCompositorAnimations() override;

40 void notifyCompositorAnimationFinished(int groupId) override;	41 void notifyCompositorAnimationFinished(int groupId) override;

41 void layerForCompositedScrollingDidChange(WebCompositorAnimationTimeline*) o verride;	42 void layerForCompositedScrollingDidChange(WebCompositorAnimationTimeline*) o verride;

42	43

43 DECLARE_TRACE();	44 DECLARE_TRACE();

44	45

45 private:	46 private:

46 explicit ProgrammaticScrollAnimator(ScrollableArea*);	47 explicit ProgrammaticScrollAnimator(ScrollableArea*);

47	48

48 void notifyPositionChanged(const DoublePoint&);	49 void notifyPositionChanged(const DoublePoint&);

49	50

50 RawPtrWillBeMember<ScrollableArea> m_scrollableArea;	51 RawPtrWillBeMember<ScrollableArea> m_scrollableArea;

51 OwnPtr<WebScrollOffsetAnimationCurve> m_animationCurve;	52 OwnPtr<WebScrollOffsetAnimationCurve> m_animationCurve;

52 FloatPoint m_targetOffset;	53 FloatPoint m_targetOffset;

53 double m_startTime;	54 double m_startTime;

54 };	55 };

55	56

56 } // namespace blink	57 } // namespace blink

57	58

58 #endif // ProgrammaticScrollAnimator_h	59 #endif // ProgrammaticScrollAnimator_h

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