| OLD | NEW |
| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_GFX_ANIMATION_LINEAR_ANIMATION_H_ | 5 #ifndef UI_GFX_ANIMATION_LINEAR_ANIMATION_H_ |
| 6 #define UI_GFX_ANIMATION_LINEAR_ANIMATION_H_ | 6 #define UI_GFX_ANIMATION_LINEAR_ANIMATION_H_ |
| 7 | 7 |
| 8 #include "base/time/time.h" | 8 #include "base/time/time.h" |
| 9 #include "ui/gfx/animation/animation.h" | 9 #include "ui/gfx/animation/animation.h" |
| 10 | 10 |
| (...skipping 12 matching lines...) Expand all Loading... |
| 23 // duration can change between calls to Start() and we need to | 23 // duration can change between calls to Start() and we need to |
| 24 // expose this interface. | 24 // expose this interface. |
| 25 LinearAnimation(int frame_rate, AnimationDelegate* delegate); | 25 LinearAnimation(int frame_rate, AnimationDelegate* delegate); |
| 26 | 26 |
| 27 // Initializes all fields. | 27 // Initializes all fields. |
| 28 LinearAnimation(int duration, int frame_rate, AnimationDelegate* delegate); | 28 LinearAnimation(int duration, int frame_rate, AnimationDelegate* delegate); |
| 29 | 29 |
| 30 // Gets the value for the current state, according to the animation curve in | 30 // Gets the value for the current state, according to the animation curve in |
| 31 // use. This class provides only for a linear relationship, however subclasses | 31 // use. This class provides only for a linear relationship, however subclasses |
| 32 // can override this to provide others. | 32 // can override this to provide others. |
| 33 virtual double GetCurrentValue() const OVERRIDE; | 33 virtual double GetCurrentValue() const override; |
| 34 | 34 |
| 35 // Change the current state of the animation to |new_value|. | 35 // Change the current state of the animation to |new_value|. |
| 36 void SetCurrentValue(double new_value); | 36 void SetCurrentValue(double new_value); |
| 37 | 37 |
| 38 // Skip to the end of the current animation. | 38 // Skip to the end of the current animation. |
| 39 void End(); | 39 void End(); |
| 40 | 40 |
| 41 // Changes the length of the animation. This resets the current | 41 // Changes the length of the animation. This resets the current |
| 42 // state of the animation to the beginning. | 42 // state of the animation to the beginning. |
| 43 void SetDuration(int duration); | 43 void SetDuration(int duration); |
| 44 | 44 |
| 45 protected: | 45 protected: |
| 46 // Called when the animation progresses. Subclasses override this to | 46 // Called when the animation progresses. Subclasses override this to |
| 47 // efficiently update their state. | 47 // efficiently update their state. |
| 48 virtual void AnimateToState(double state) {} | 48 virtual void AnimateToState(double state) {} |
| 49 | 49 |
| 50 // Invoked by the AnimationContainer when the animation is running to advance | 50 // Invoked by the AnimationContainer when the animation is running to advance |
| 51 // the animation. Use |time_now| rather than Time::Now to avoid multiple | 51 // the animation. Use |time_now| rather than Time::Now to avoid multiple |
| 52 // animations running at the same time diverging. | 52 // animations running at the same time diverging. |
| 53 virtual void Step(base::TimeTicks time_now) OVERRIDE; | 53 virtual void Step(base::TimeTicks time_now) override; |
| 54 | 54 |
| 55 // Overriden to initialize state. | 55 // Overriden to initialize state. |
| 56 virtual void AnimationStarted() OVERRIDE; | 56 virtual void AnimationStarted() override; |
| 57 | 57 |
| 58 // Overriden to advance to the end (if End was invoked). | 58 // Overriden to advance to the end (if End was invoked). |
| 59 virtual void AnimationStopped() OVERRIDE; | 59 virtual void AnimationStopped() override; |
| 60 | 60 |
| 61 // Overriden to return true if state is not 1. | 61 // Overriden to return true if state is not 1. |
| 62 virtual bool ShouldSendCanceledFromStop() OVERRIDE; | 62 virtual bool ShouldSendCanceledFromStop() override; |
| 63 | 63 |
| 64 private: | 64 private: |
| 65 base::TimeDelta duration_; | 65 base::TimeDelta duration_; |
| 66 | 66 |
| 67 // Current state, on a scale from 0.0 to 1.0. | 67 // Current state, on a scale from 0.0 to 1.0. |
| 68 double state_; | 68 double state_; |
| 69 | 69 |
| 70 // If true, we're in end. This is used to determine if the animation should | 70 // If true, we're in end. This is used to determine if the animation should |
| 71 // be advanced to the end from AnimationStopped. | 71 // be advanced to the end from AnimationStopped. |
| 72 bool in_end_; | 72 bool in_end_; |
| 73 | 73 |
| 74 DISALLOW_COPY_AND_ASSIGN(LinearAnimation); | 74 DISALLOW_COPY_AND_ASSIGN(LinearAnimation); |
| 75 }; | 75 }; |
| 76 | 76 |
| 77 } // namespace gfx | 77 } // namespace gfx |
| 78 | 78 |
| 79 #endif // APP_LINEAR_ANIMATION_H_ | 79 #endif // APP_LINEAR_ANIMATION_H_ |
| OLD | NEW |