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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_COMPOSITOR_LAYER_ANIMATION_OBSERVER_H_ | 5 #ifndef UI_COMPOSITOR_LAYER_ANIMATION_OBSERVER_H_ |
6 #define UI_COMPOSITOR_LAYER_ANIMATION_OBSERVER_H_ | 6 #define UI_COMPOSITOR_LAYER_ANIMATION_OBSERVER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <set> | 9 #include <set> |
10 | 10 |
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36 LayerAnimationSequence* sequence) = 0; | 36 LayerAnimationSequence* sequence) = 0; |
37 | 37 |
38 protected: | 38 protected: |
39 typedef std::set<LayerAnimationSequence*> AttachedSequences; | 39 typedef std::set<LayerAnimationSequence*> AttachedSequences; |
40 | 40 |
41 LayerAnimationObserver(); | 41 LayerAnimationObserver(); |
42 virtual ~LayerAnimationObserver(); | 42 virtual ~LayerAnimationObserver(); |
43 | 43 |
44 // If the animator is destroyed during an animation, the animations are | 44 // If the animator is destroyed during an animation, the animations are |
45 // aborted. The resulting NotifyAborted notifications will NOT be sent to | 45 // aborted. The resulting NotifyAborted notifications will NOT be sent to |
46 // this observer if this function returns false. NOTE: IF YOU OVERRIDE THIS | 46 // this observer if this function returns false. NOTE: IF YOU override THIS |
47 // FUNCTION TO RETURN TRUE, YOU MUST REMEMBER TO REMOVE YOURSELF AS AN | 47 // FUNCTION TO RETURN TRUE, YOU MUST REMEMBER TO REMOVE YOURSELF AS AN |
48 // OBSERVER WHEN YOU ARE DESTROYED. | 48 // OBSERVER WHEN YOU ARE DESTROYED. |
49 virtual bool RequiresNotificationWhenAnimatorDestroyed() const; | 49 virtual bool RequiresNotificationWhenAnimatorDestroyed() const; |
50 | 50 |
51 // Called when |this| is added to |sequence|'s observer list. | 51 // Called when |this| is added to |sequence|'s observer list. |
52 virtual void OnAttachedToSequence(LayerAnimationSequence* sequence); | 52 virtual void OnAttachedToSequence(LayerAnimationSequence* sequence); |
53 | 53 |
54 // Called when |this| is removed to |sequence|'s observer list. | 54 // Called when |this| is removed to |sequence|'s observer list. |
55 virtual void OnDetachedFromSequence(LayerAnimationSequence* sequence); | 55 virtual void OnDetachedFromSequence(LayerAnimationSequence* sequence); |
56 | 56 |
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110 enum AnimationStatus { | 110 enum AnimationStatus { |
111 ANIMATION_STATUS_UNKNOWN, | 111 ANIMATION_STATUS_UNKNOWN, |
112 ANIMATION_STATUS_COMPLETED, | 112 ANIMATION_STATUS_COMPLETED, |
113 ANIMATION_STATUS_ABORTED, | 113 ANIMATION_STATUS_ABORTED, |
114 }; | 114 }; |
115 | 115 |
116 friend class ScopedLayerAnimationSettings; | 116 friend class ScopedLayerAnimationSettings; |
117 | 117 |
118 // LayerAnimationObserver implementation | 118 // LayerAnimationObserver implementation |
119 virtual void OnLayerAnimationEnded( | 119 virtual void OnLayerAnimationEnded( |
120 LayerAnimationSequence* sequence) OVERRIDE; | 120 LayerAnimationSequence* sequence) override; |
121 virtual void OnLayerAnimationAborted( | 121 virtual void OnLayerAnimationAborted( |
122 LayerAnimationSequence* sequence) OVERRIDE; | 122 LayerAnimationSequence* sequence) override; |
123 virtual void OnLayerAnimationScheduled( | 123 virtual void OnLayerAnimationScheduled( |
124 LayerAnimationSequence* sequence) OVERRIDE; | 124 LayerAnimationSequence* sequence) override; |
125 virtual void OnAttachedToSequence( | 125 virtual void OnAttachedToSequence( |
126 LayerAnimationSequence* sequence) OVERRIDE; | 126 LayerAnimationSequence* sequence) override; |
127 virtual void OnDetachedFromSequence( | 127 virtual void OnDetachedFromSequence( |
128 LayerAnimationSequence* sequence) OVERRIDE; | 128 LayerAnimationSequence* sequence) override; |
129 | 129 |
130 // OnImplicitAnimationsCompleted is not fired unless the observer is active. | 130 // OnImplicitAnimationsCompleted is not fired unless the observer is active. |
131 bool active() const { return active_; } | 131 bool active() const { return active_; } |
132 void SetActive(bool active); | 132 void SetActive(bool active); |
133 | 133 |
134 void CheckCompleted(); | 134 void CheckCompleted(); |
135 | 135 |
136 void UpdatePropertyAnimationStatus(LayerAnimationSequence* sequence, | 136 void UpdatePropertyAnimationStatus(LayerAnimationSequence* sequence, |
137 AnimationStatus status); | 137 AnimationStatus status); |
138 AnimationStatus AnimationStatusForProperty( | 138 AnimationStatus AnimationStatusForProperty( |
139 LayerAnimationElement::AnimatableProperty property) const; | 139 LayerAnimationElement::AnimatableProperty property) const; |
140 | 140 |
141 bool active_; | 141 bool active_; |
142 | 142 |
143 // Set to true in the destructor (if non-NULL). Used to detect deletion while | 143 // Set to true in the destructor (if non-NULL). Used to detect deletion while |
144 // calling out. | 144 // calling out. |
145 bool* destroyed_; | 145 bool* destroyed_; |
146 | 146 |
147 typedef std::map<LayerAnimationElement::AnimatableProperty, | 147 typedef std::map<LayerAnimationElement::AnimatableProperty, |
148 AnimationStatus> PropertyAnimationStatusMap; | 148 AnimationStatus> PropertyAnimationStatusMap; |
149 PropertyAnimationStatusMap property_animation_status_; | 149 PropertyAnimationStatusMap property_animation_status_; |
150 | 150 |
151 // True if OnLayerAnimationScheduled() has been called at least once. | 151 // True if OnLayerAnimationScheduled() has been called at least once. |
152 bool first_sequence_scheduled_; | 152 bool first_sequence_scheduled_; |
153 }; | 153 }; |
154 | 154 |
155 } // namespace ui | 155 } // namespace ui |
156 | 156 |
157 #endif // UI_COMPOSITOR_LAYER_ANIMATION_OBSERVER_H_ | 157 #endif // UI_COMPOSITOR_LAYER_ANIMATION_OBSERVER_H_ |
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