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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 | 4 |
| 5 #ifndef CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_LINEAR_FADE_H_ | 5 #ifndef CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_LINEAR_FADE_H_ |
| 6 #define CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_LINEAR_FADE_H_ | 6 #define CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_LINEAR_FADE_H_ |
| 7 | 7 |
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "cc/animation/scrollbar_animation_controller.h" | 9 #include "cc/animation/scrollbar_animation_controller.h" |
| 10 #include "cc/base/cc_export.h" | 10 #include "cc/base/cc_export.h" |
| 11 | 11 |
| 12 namespace cc { | 12 namespace cc { |
| 13 class LayerImpl; | 13 class LayerImpl; |
| 14 | 14 |
| 15 class CC_EXPORT ScrollbarAnimationControllerLinearFade | 15 class CC_EXPORT ScrollbarAnimationControllerLinearFade |
| 16 : public ScrollbarAnimationController { | 16 : public ScrollbarAnimationController { |
| 17 public: | 17 public: |
| 18 static scoped_ptr<ScrollbarAnimationControllerLinearFade> Create( | 18 static scoped_ptr<ScrollbarAnimationControllerLinearFade> Create( |
| 19 LayerImpl* scroll_layer, | 19 LayerImpl* scroll_layer, |
| 20 ScrollbarAnimationControllerClient* client, | 20 ScrollbarAnimationControllerClient* client, |
| 21 base::TimeDelta delay_before_starting, | 21 base::TimeDelta delay_before_starting, |
| 22 base::TimeDelta resize_delay_before_starting, |
| 22 base::TimeDelta duration); | 23 base::TimeDelta duration); |
| 23 | 24 |
| 24 virtual ~ScrollbarAnimationControllerLinearFade(); | 25 virtual ~ScrollbarAnimationControllerLinearFade(); |
| 25 | 26 |
| 26 virtual void DidScrollUpdate() override; | 27 virtual void DidScrollUpdate(bool on_resize) override; |
| 27 | 28 |
| 28 protected: | 29 protected: |
| 29 ScrollbarAnimationControllerLinearFade( | 30 ScrollbarAnimationControllerLinearFade( |
| 30 LayerImpl* scroll_layer, | 31 LayerImpl* scroll_layer, |
| 31 ScrollbarAnimationControllerClient* client, | 32 ScrollbarAnimationControllerClient* client, |
| 32 base::TimeDelta delay_before_starting, | 33 base::TimeDelta delay_before_starting, |
| 34 base::TimeDelta resize_delay_before_starting, |
| 33 base::TimeDelta duration); | 35 base::TimeDelta duration); |
| 34 | 36 |
| 35 virtual void RunAnimationFrame(float progress) override; | 37 virtual void RunAnimationFrame(float progress) override; |
| 36 | 38 |
| 37 private: | 39 private: |
| 38 float OpacityAtTime(base::TimeTicks now) const; | 40 float OpacityAtTime(base::TimeTicks now) const; |
| 39 void ApplyOpacityToScrollbars(float opacity); | 41 void ApplyOpacityToScrollbars(float opacity); |
| 40 | 42 |
| 41 LayerImpl* scroll_layer_; | 43 LayerImpl* scroll_layer_; |
| 42 | 44 |
| 43 DISALLOW_COPY_AND_ASSIGN(ScrollbarAnimationControllerLinearFade); | 45 DISALLOW_COPY_AND_ASSIGN(ScrollbarAnimationControllerLinearFade); |
| 44 }; | 46 }; |
| 45 | 47 |
| 46 } // namespace cc | 48 } // namespace cc |
| 47 | 49 |
| 48 #endif // CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_LINEAR_FADE_H_ | 50 #endif // CC_ANIMATION_SCROLLBAR_ANIMATION_CONTROLLER_LINEAR_FADE_H_ |
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