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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 |
| 5 #ifndef CCScrollbarAnimationControllerLinearFade_h |
| 6 #define CCScrollbarAnimationControllerLinearFade_h |
| 7 |
| 8 #include "CCScrollbarAnimationController.h" |
| 9 |
| 10 namespace cc { |
| 11 |
| 12 class CCScrollbarAnimationControllerLinearFade : public CCScrollbarAnimationCont
roller { |
| 13 public: |
| 14 static PassOwnPtr<CCScrollbarAnimationControllerLinearFade> create(CCLayerIm
pl* scrollLayer, double fadeoutDelay, double fadeoutLength); |
| 15 |
| 16 virtual ~CCScrollbarAnimationControllerLinearFade(); |
| 17 |
| 18 virtual bool animate(double monotonicTime) OVERRIDE; |
| 19 |
| 20 virtual void didPinchGestureUpdateAtTime(double monotonicTime) OVERRIDE; |
| 21 virtual void didPinchGestureEndAtTime(double monotonicTime) OVERRIDE; |
| 22 virtual void updateScrollOffsetAtTime(CCLayerImpl* scrollLayer, double monot
onicTime) OVERRIDE; |
| 23 |
| 24 protected: |
| 25 CCScrollbarAnimationControllerLinearFade(CCLayerImpl* scrollLayer, double fa
deoutDelay, double fadeoutLength); |
| 26 |
| 27 private: |
| 28 float opacityAtTime(double monotonicTime); |
| 29 |
| 30 double m_lastAwakenTime; |
| 31 bool m_pinchGestureInEffect; |
| 32 |
| 33 double m_fadeoutDelay; |
| 34 double m_fadeoutLength; |
| 35 }; |
| 36 |
| 37 } // namespace cc |
| 38 |
| 39 #endif // CCScrollbarAnimationControllerLinearFade_h |
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