| // Copyright 2012 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 CC_ANIMATION_ANIMATION_REGISTRAR_H_ |
| #define CC_ANIMATION_ANIMATION_REGISTRAR_H_ |
| |
| #include "base/containers/hash_tables.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "cc/base/cc_export.h" |
| |
| namespace cc { |
| |
| class LayerAnimationController; |
| |
| class CC_EXPORT AnimationRegistrar { |
| public: |
| typedef base::hash_map<int, LayerAnimationController*> AnimationControllerMap; |
| |
| static scoped_ptr<AnimationRegistrar> Create() { |
| return make_scoped_ptr(new AnimationRegistrar()); |
| } |
| |
| virtual ~AnimationRegistrar(); |
| |
| // If an animation has been registered for the given id, return it. Otherwise |
| // creates a new one and returns a scoped_refptr to it. |
| scoped_refptr<LayerAnimationController> GetAnimationControllerForId(int id); |
| |
| // Registers the given animation controller as active. An active animation |
| // controller is one that has a running animation that needs to be ticked. |
| void DidActivateAnimationController(LayerAnimationController* controller); |
| |
| // Unregisters the given animation controller. When this happens, the |
| // animation controller will no longer be ticked (since it's not active). It |
| // is not an error to call this function with a deactivated controller. |
| void DidDeactivateAnimationController(LayerAnimationController* controller); |
| |
| // Registers the given controller as alive. |
| void RegisterAnimationController(LayerAnimationController* controller); |
| |
| // Unregisters the given controller as alive. |
| void UnregisterAnimationController(LayerAnimationController* controller); |
| |
| const AnimationControllerMap& active_animation_controllers() const { |
| return active_animation_controllers_; |
| } |
| |
| const AnimationControllerMap& all_animation_controllers() const { |
| return all_animation_controllers_; |
| } |
| |
| private: |
| AnimationRegistrar(); |
| |
| AnimationControllerMap active_animation_controllers_; |
| AnimationControllerMap all_animation_controllers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AnimationRegistrar); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_ANIMATION_ANIMATION_REGISTRAR_H_ |