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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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| 52 | 52 |
| 53 ScrollResultOneDimensional userScroll(ScrollbarOrientation, ScrollGranularit
y, float step, float delta) override; | 53 ScrollResultOneDimensional userScroll(ScrollbarOrientation, ScrollGranularit
y, float step, float delta) override; |
| 54 void scrollToOffsetWithoutAnimation(const FloatPoint&) override; | 54 void scrollToOffsetWithoutAnimation(const FloatPoint&) override; |
| 55 | 55 |
| 56 // ScrollAnimatorCompositorCoordinator implementation. | 56 // ScrollAnimatorCompositorCoordinator implementation. |
| 57 void tickAnimation(double monotonicTime) override; | 57 void tickAnimation(double monotonicTime) override; |
| 58 void cancelAnimation() override; | 58 void cancelAnimation() override; |
| 59 void resetAnimationState() override; | 59 void resetAnimationState() override; |
| 60 void updateCompositorAnimations() override; | 60 void updateCompositorAnimations() override; |
| 61 void notifyCompositorAnimationFinished(int groupId) override; | 61 void notifyCompositorAnimationFinished(int groupId) override; |
| 62 void notifyCompositorAnimationAborted(int groupId) override; |
| 62 void layerForCompositedScrollingDidChange(WebCompositorAnimationTimeline*) o
verride; | 63 void layerForCompositedScrollingDidChange(WebCompositorAnimationTimeline*) o
verride; |
| 63 | 64 |
| 64 DECLARE_VIRTUAL_TRACE(); | 65 DECLARE_VIRTUAL_TRACE(); |
| 65 | 66 |
| 66 protected: | 67 protected: |
| 67 OwnPtr<WebScrollOffsetAnimationCurve> m_animationCurve; | 68 OwnPtr<WebScrollOffsetAnimationCurve> m_animationCurve; |
| 68 double m_startTime; | 69 double m_startTime; |
| 69 WTF::TimeFunction m_timeFunction; | 70 WTF::TimeFunction m_timeFunction; |
| 70 | 71 |
| 71 private: | 72 private: |
| 72 FloatPoint desiredTargetPosition() const; | 73 FloatPoint desiredTargetPosition() const; |
| 73 | 74 |
| 74 // Returns true if the animation was scheduled successfully. If animation | 75 // Returns true if the animation was scheduled successfully. If animation |
| 75 // could not be scheduled (e.g. because the frame is detached), scrolls | 76 // could not be scheduled (e.g. because the frame is detached), scrolls |
| 76 // immediately to the target and returns false. | 77 // immediately to the target and returns false. |
| 77 bool registerAndScheduleAnimation(); | 78 bool registerAndScheduleAnimation(); |
| 78 | 79 |
| 79 FloatPoint m_targetOffset; | 80 FloatPoint m_targetOffset; |
| 80 }; | 81 }; |
| 81 | 82 |
| 82 } // namespace blink | 83 } // namespace blink |
| 83 | 84 |
| 84 #endif // ScrollAnimator_h | 85 #endif // ScrollAnimator_h |
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