| // Copyright 2015 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_ELEMENT_ANIMATIONS_H_ |
| #define CC_ANIMATION_ELEMENT_ANIMATIONS_H_ |
| |
| #include "base/containers/linked_list.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "cc/animation/animation_delegate.h" |
| #include "cc/animation/layer_animation_controller.h" |
| #include "cc/animation/layer_animation_value_provider.h" |
| #include "cc/base/cc_export.h" |
| |
| namespace gfx { |
| class ScrollOffset; |
| class Transform; |
| } |
| |
| namespace cc { |
| |
| class AnimationHost; |
| class AnimationPlayer; |
| class FilterOperations; |
| class LayerAnimationController; |
| enum class LayerTreeType; |
| |
| // An ElementAnimations owns a list of all AnimationPlayers, attached to |
| // the layer. Also, it owns LayerAnimationController instance (1:1 |
| // relationship) |
| // ElementAnimations object redirects all events from LAC to the list |
| // of animation layers. |
| // This is a CC counterpart for blink::ElementAnimations (in 1:1 relationship). |
| // No pointer to/from respective blink::ElementAnimations object for now. |
| class CC_EXPORT ElementAnimations : public AnimationDelegate, |
| public LayerAnimationValueProvider { |
| public: |
| static scoped_ptr<ElementAnimations> Create(AnimationHost* host); |
| ~ElementAnimations() override; |
| |
| int layer_id() const { |
| return layer_animation_controller_ ? layer_animation_controller_->id() : 0; |
| } |
| |
| // Parent AnimationHost. |
| AnimationHost* animation_host() { return animation_host_; } |
| const AnimationHost* animation_host() const { return animation_host_; } |
| |
| LayerAnimationController* layer_animation_controller() const { |
| return layer_animation_controller_.get(); |
| } |
| |
| void CreateLayerAnimationController(int layer_id); |
| void DestroyLayerAnimationController(); |
| |
| void LayerRegistered(int layer_id, LayerTreeType tree_type); |
| void LayerUnregistered(int layer_id, LayerTreeType tree_type); |
| |
| bool has_active_value_observer_for_testing() const { |
| return !!active_value_observer_; |
| } |
| bool has_pending_value_observer_for_testing() const { |
| return !!pending_value_observer_; |
| } |
| |
| void AddPlayer(AnimationPlayer* player); |
| void RemovePlayer(AnimationPlayer* player); |
| bool IsEmpty() const; |
| |
| typedef base::LinkedList<AnimationPlayer> PlayersList; |
| typedef base::LinkNode<AnimationPlayer> PlayersListNode; |
| const PlayersList& players_list() const { return *players_list_.get(); } |
| |
| void PushPropertiesTo(ElementAnimations* element_animations_impl); |
| |
| private: |
| explicit ElementAnimations(AnimationHost* host); |
| |
| void SetFilterMutated(LayerTreeType tree_type, |
| const FilterOperations& filters); |
| void SetOpacityMutated(LayerTreeType tree_type, float opacity); |
| void SetTransformMutated(LayerTreeType tree_type, |
| const gfx::Transform& transform); |
| void SetScrollOffsetMutated(LayerTreeType tree_type, |
| const gfx::ScrollOffset& scroll_offset); |
| void SetTransformIsPotentiallyAnimatingChanged(LayerTreeType tree_type, |
| bool is_animating); |
| |
| void CreateActiveValueObserver(); |
| void DestroyActiveValueObserver(); |
| |
| void CreatePendingValueObserver(); |
| void DestroyPendingValueObserver(); |
| |
| // AnimationDelegate implementation |
| void NotifyAnimationStarted(base::TimeTicks monotonic_time, |
| TargetProperty::Type target_property, |
| int group) override; |
| void NotifyAnimationFinished(base::TimeTicks monotonic_time, |
| TargetProperty::Type target_property, |
| int group) override; |
| void NotifyAnimationAborted(base::TimeTicks monotonic_time, |
| TargetProperty::Type target_property, |
| int group) override; |
| |
| // LayerAnimationValueProvider implementation. |
| gfx::ScrollOffset ScrollOffsetForAnimation() const override; |
| |
| scoped_ptr<PlayersList> players_list_; |
| |
| class ValueObserver; |
| scoped_ptr<ValueObserver> active_value_observer_; |
| scoped_ptr<ValueObserver> pending_value_observer_; |
| |
| // LAC is owned by ElementAnimations (1:1 relationship). |
| scoped_refptr<LayerAnimationController> layer_animation_controller_; |
| AnimationHost* animation_host_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ElementAnimations); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_ANIMATION_ELEMENT_ANIMATIONS_H_ |