| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_GFX_ANIMATION_ANIMATION_CONTAINER_OBSERVER_H_ |
| #define UI_GFX_ANIMATION_ANIMATION_CONTAINER_OBSERVER_H_ |
| |
| #include "ui/gfx/animation/animation_export.h" |
| |
| namespace gfx { |
| |
| class AnimationContainer; |
| |
| // The observer is notified after every update of the animations managed by |
| // the container. |
| class ANIMATION_EXPORT AnimationContainerObserver { |
| public: |
| // Invoked on every tick of the timer managed by the container and after |
| // all the animations have updated. |
| virtual void AnimationContainerProgressed(AnimationContainer* container) {} |
| |
| // Invoked when no more animations are being managed by this container. |
| virtual void AnimationContainerEmpty(AnimationContainer* container) {} |
| |
| // Invoked from AnimationContainer's destructor. |
| virtual void AnimationContainerShuttingDown(AnimationContainer* container) {} |
| |
| protected: |
| virtual ~AnimationContainerObserver() {} |
| }; |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_ANIMATION_ANIMATION_CONTAINER_OBSERVER_H_ |