Index: cc/layer_animation_controller.h |
diff --git a/cc/layer_animation_controller.h b/cc/layer_animation_controller.h |
index 638cbb270ce9b24689d5095baf174ade4f4d1a13..2fdb91c611aa3f65e1fbe7dbce85e46d9e22e4fa 100644 |
--- a/cc/layer_animation_controller.h |
+++ b/cc/layer_animation_controller.h |
@@ -1,3 +1,112 @@ |
// 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 CCLayerAnimationController_h |
+#define CCLayerAnimationController_h |
+ |
+#include "CCAnimationEvents.h" |
+ |
+#include "base/basictypes.h" |
+#include "base/hash_tables.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "cc/scoped_ptr_vector.h" |
+ |
+namespace WebKit { |
+class WebTransformationMatrix; |
+} |
+ |
+namespace cc { |
+ |
+class Animation; |
+class IntSize; |
+class KeyframeValueList; |
+ |
+class CCLayerAnimationControllerClient { |
+public: |
+ virtual ~CCLayerAnimationControllerClient() { } |
+ |
+ virtual int id() const = 0; |
+ virtual void setOpacityFromAnimation(float) = 0; |
+ virtual float opacity() const = 0; |
+ virtual void setTransformFromAnimation(const WebKit::WebTransformationMatrix&) = 0; |
+ virtual const WebKit::WebTransformationMatrix& transform() const = 0; |
+}; |
+ |
+class CCLayerAnimationController { |
+public: |
+ static scoped_ptr<CCLayerAnimationController> create(CCLayerAnimationControllerClient*); |
+ |
+ virtual ~CCLayerAnimationController(); |
+ |
+ // These methods are virtual for testing. |
+ virtual void addAnimation(scoped_ptr<CCActiveAnimation>); |
+ virtual void pauseAnimation(int animationId, double timeOffset); |
+ virtual void removeAnimation(int animationId); |
+ virtual void removeAnimation(int animationId, CCActiveAnimation::TargetProperty); |
+ virtual void suspendAnimations(double monotonicTime); |
+ virtual void resumeAnimations(double monotonicTime); |
+ |
+ // Ensures that the list of active animations on the main thread and the impl thread |
+ // are kept in sync. This function does not take ownership of the impl thread controller. |
+ virtual void pushAnimationUpdatesTo(CCLayerAnimationController*); |
+ |
+ void animate(double monotonicTime, CCAnimationEventsVector*); |
+ |
+ // Returns the active animation in the given group, animating the given property, if such an |
+ // animation exists. |
+ CCActiveAnimation* getActiveAnimation(int groupId, CCActiveAnimation::TargetProperty) const; |
+ |
+ // Returns the active animation animating the given property that is either running, or is |
+ // next to run, if such an animation exists. |
+ CCActiveAnimation* getActiveAnimation(CCActiveAnimation::TargetProperty) const; |
+ |
+ // Returns true if there are any animations that have neither finished nor aborted. |
+ bool hasActiveAnimation() const; |
+ |
+ // Returns true if there is an animation currently animating the given property, or |
+ // if there is an animation scheduled to animate this property in the future. |
+ bool isAnimatingProperty(CCActiveAnimation::TargetProperty) const; |
+ |
+ // This is called in response to an animation being started on the impl thread. This |
+ // function updates the corresponding main thread animation's start time. |
+ void notifyAnimationStarted(const CCAnimationEvent&); |
+ |
+ // If a sync is forced, then the next time animation updates are pushed to the impl |
+ // thread, all animations will be transferred. |
+ void setForceSync() { m_forceSync = true; } |
+ |
+ void setClient(CCLayerAnimationControllerClient*); |
+ |
+protected: |
+ explicit CCLayerAnimationController(CCLayerAnimationControllerClient*); |
+ |
+private: |
+ typedef base::hash_set<int> TargetProperties; |
+ |
+ void pushNewAnimationsToImplThread(CCLayerAnimationController*) const; |
+ void removeAnimationsCompletedOnMainThread(CCLayerAnimationController*) const; |
+ void pushPropertiesToImplThread(CCLayerAnimationController*) const; |
+ void replaceImplThreadAnimations(CCLayerAnimationController*) const; |
+ |
+ void startAnimationsWaitingForNextTick(double monotonicTime, CCAnimationEventsVector*); |
+ void startAnimationsWaitingForStartTime(double monotonicTime, CCAnimationEventsVector*); |
+ void startAnimationsWaitingForTargetAvailability(double monotonicTime, CCAnimationEventsVector*); |
+ void resolveConflicts(double monotonicTime); |
+ void markAnimationsForDeletion(double monotonicTime, CCAnimationEventsVector*); |
+ void purgeAnimationsMarkedForDeletion(); |
+ |
+ void tickAnimations(double monotonicTime); |
+ |
+ // If this is true, we force a sync to the impl thread. |
+ bool m_forceSync; |
+ |
+ CCLayerAnimationControllerClient* m_client; |
+ ScopedPtrVector<CCActiveAnimation> m_activeAnimations; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(CCLayerAnimationController); |
+}; |
+ |
+} // namespace cc |
+ |
+#endif // CCLayerAnimationController_h |