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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 | 4 |
5 #ifndef UI_VIEWS_ANIMATION_SCROLL_ANIMATOR_H_ | 5 #ifndef UI_VIEWS_ANIMATION_SCROLL_ANIMATOR_H_ |
6 #define UI_VIEWS_ANIMATION_SCROLL_ANIMATOR_H_ | 6 #define UI_VIEWS_ANIMATION_SCROLL_ANIMATOR_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "ui/gfx/animation/animation_delegate.h" | 10 #include "ui/gfx/animation/animation_delegate.h" |
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34 // Use this if you would prefer different acceleration than the default. | 34 // Use this if you would prefer different acceleration than the default. |
35 void set_acceleration(float acceleration) { acceleration_ = acceleration; } | 35 void set_acceleration(float acceleration) { acceleration_ = acceleration; } |
36 | 36 |
37 void Start(float velocity_x, float velocity_y); | 37 void Start(float velocity_x, float velocity_y); |
38 void Stop(); | 38 void Stop(); |
39 | 39 |
40 bool is_scrolling() const { return !!animation_.get(); } | 40 bool is_scrolling() const { return !!animation_.get(); } |
41 | 41 |
42 private: | 42 private: |
43 // Implementation of gfx::AnimationDelegate. | 43 // Implementation of gfx::AnimationDelegate. |
44 virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE; | 44 virtual void AnimationEnded(const gfx::Animation* animation) override; |
45 virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE; | 45 virtual void AnimationProgressed(const gfx::Animation* animation) override; |
46 virtual void AnimationCanceled(const gfx::Animation* animation) OVERRIDE; | 46 virtual void AnimationCanceled(const gfx::Animation* animation) override; |
47 | 47 |
48 ScrollDelegate* delegate_; | 48 ScrollDelegate* delegate_; |
49 | 49 |
50 float velocity_x_; | 50 float velocity_x_; |
51 float velocity_y_; | 51 float velocity_y_; |
52 float last_t_; | 52 float last_t_; |
53 float duration_; | 53 float duration_; |
54 float acceleration_; | 54 float acceleration_; |
55 | 55 |
56 scoped_ptr<gfx::SlideAnimation> animation_; | 56 scoped_ptr<gfx::SlideAnimation> animation_; |
57 | 57 |
58 DISALLOW_COPY_AND_ASSIGN(ScrollAnimator); | 58 DISALLOW_COPY_AND_ASSIGN(ScrollAnimator); |
59 }; | 59 }; |
60 | 60 |
61 } // namespace views | 61 } // namespace views |
62 | 62 |
63 #endif // UI_VIEWS_ANIMATION_SCROLL_ANIMATOR_H_ | 63 #endif // UI_VIEWS_ANIMATION_SCROLL_ANIMATOR_H_ |
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