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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef UI_BASE_ANIMATION_ANIMATION_CONTAINER_OBSERVER_H_ | |
6 #define UI_BASE_ANIMATION_ANIMATION_CONTAINER_OBSERVER_H_ | |
7 | |
8 #include "ui/base/ui_export.h" | |
9 | |
10 namespace ui { | |
11 | |
12 class AnimationContainer; | |
13 | |
14 // The observer is notified after every update of the animations managed by | |
15 // the container. | |
16 class UI_EXPORT AnimationContainerObserver { | |
17 public: | |
18 // Invoked on every tick of the timer managed by the container and after | |
19 // all the animations have updated. | |
20 virtual void AnimationContainerProgressed( | |
21 AnimationContainer* container) = 0; | |
22 | |
23 // Invoked when no more animations are being managed by this container. | |
24 virtual void AnimationContainerEmpty(AnimationContainer* container) = 0; | |
25 | |
26 protected: | |
27 virtual ~AnimationContainerObserver() {} | |
28 }; | |
29 | |
30 } // namespace ui | |
31 | |
32 #endif // UI_BASE_ANIMATION_ANIMATION_CONTAINER_OBSERVER_H_ | |
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