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| 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_BASE_ANIMATION_ANIMATION_H_ | 5 #ifndef UI_BASE_ANIMATION_ANIMATION_H_ |
| 6 #define UI_BASE_ANIMATION_ANIMATION_H_ | 6 #define UI_BASE_ANIMATION_ANIMATION_H_ |
| 7 | 7 |
| 8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 10 #include "base/time/time.h" | 10 #include "base/time/time.h" |
| 11 #include "ui/base/animation/animation_container_element.h" | 11 #include "ui/gfx/animation/animation_container_element.h" |
| 12 | 12 |
| 13 namespace gfx { | 13 namespace gfx { |
| 14 class Rect; | 14 class Rect; |
| 15 } | 15 } |
| 16 | 16 |
| 17 namespace ui { | 17 namespace gfx { |
| 18 | 18 |
| 19 class AnimationContainer; | 19 class AnimationContainer; |
| 20 class AnimationDelegate; | 20 class AnimationDelegate; |
| 21 | 21 |
| 22 // Base class used in implementing animations. You only need use this class if | 22 // Base class used in implementing animations. You only need use this class if |
| 23 // you're implementing a new animation type, otherwise you'll likely want one of | 23 // you're implementing a new animation type, otherwise you'll likely want one of |
| 24 // LinearAnimation, SlideAnimation, ThrobAnimation or MultiAnimation. | 24 // LinearAnimation, SlideAnimation, ThrobAnimation or MultiAnimation. |
| 25 // | 25 // |
| 26 // To subclass override Step, which is invoked as the animation progresses and | 26 // To subclass override Step, which is invoked as the animation progresses and |
| 27 // GetCurrentValue() to return the value appropriate to the animation. | 27 // GetCurrentValue() to return the value appropriate to the animation. |
| 28 class UI_EXPORT Animation : public AnimationContainerElement { | 28 class GFX_EXPORT Animation : public AnimationContainerElement { |
| 29 public: | 29 public: |
| 30 explicit Animation(base::TimeDelta timer_interval); | 30 explicit Animation(base::TimeDelta timer_interval); |
| 31 virtual ~Animation(); | 31 virtual ~Animation(); |
| 32 | 32 |
| 33 // Starts the animation. Does nothing if the animation is already running. | 33 // Starts the animation. Does nothing if the animation is already running. |
| 34 void Start(); | 34 void Start(); |
| 35 | 35 |
| 36 // Stops the animation. Does nothing if the animation is not running. | 36 // Stops the animation. Does nothing if the animation is not running. |
| 37 void Stop(); | 37 void Stop(); |
| 38 | 38 |
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| 97 | 97 |
| 98 // Container we're in. If non-null we're animating. | 98 // Container we're in. If non-null we're animating. |
| 99 scoped_refptr<AnimationContainer> container_; | 99 scoped_refptr<AnimationContainer> container_; |
| 100 | 100 |
| 101 // Time we started at. | 101 // Time we started at. |
| 102 base::TimeTicks start_time_; | 102 base::TimeTicks start_time_; |
| 103 | 103 |
| 104 DISALLOW_COPY_AND_ASSIGN(Animation); | 104 DISALLOW_COPY_AND_ASSIGN(Animation); |
| 105 }; | 105 }; |
| 106 | 106 |
| 107 } // namespace ui | 107 } // namespace gfx |
| 108 | 108 |
| 109 #endif // UI_BASE_ANIMATION_ANIMATION_H_ | 109 #endif // UI_BASE_ANIMATION_ANIMATION_H_ |
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