cc: Check for completed raster tasks at interval.

cc/layer_tree_host_impl.h

 // Copyright 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 CC_LAYER_TREE_HOST_IMPL_H_
 #define CC_LAYER_TREE_HOST_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
@@ skipping 33 matching lines @@
 // LayerTreeHost->Proxy callback interface.
 class LayerTreeHostImplClient {
 public:
     virtual void didLoseOutputSurfaceOnImplThread() = 0;
     virtual void onSwapBuffersCompleteOnImplThread() = 0;
     virtual void onVSyncParametersChanged(base::TimeTicks timebase, base::TimeDelta interval) = 0;
     virtual void onCanDrawStateChanged(bool canDraw) = 0;
     virtual void onHasPendingTreeStateChanged(bool hasPendingTree) = 0;
     virtual void setNeedsRedrawOnImplThread() = 0;
     virtual void didUploadVisibleHighResolutionTileOnImplThread() = 0;
+    virtual void didDetectIdleRasterOnImplThread() = 0;
     virtual void setNeedsCommitOnImplThread() = 0;
     virtual void setNeedsManageTilesOnImplThread() = 0;
+    virtual void setNeedsCheckForCompletedRasterTasksOnImplThread() = 0;
     virtual void postAnimationEventsToMainThreadOnImplThread(scoped_ptr<AnimationEventsVector>, base::Time wallClockTime) = 0;
     // Returns true if resources were deleted by this call.
     virtual bool reduceContentsTextureMemoryOnImplThread(size_t limitBytes, int priorityCutoff) = 0;
     virtual void reduceWastedContentsTextureMemoryOnImplThread() = 0;
     virtual void sendManagedMemoryStats() = 0;
     virtual bool isInsideDraw() = 0;
     virtual void renewTreePriority() = 0;
 };
 
 // LayerTreeHostImpl owns the LayerImpl tree as well as associated rendering state
@@ skipping 64 matching lines @@
     virtual void onSwapBuffersComplete() OVERRIDE;
     virtual void setFullRootLayerDamage() OVERRIDE;
     virtual void setManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE;
     virtual void enforceManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE;
     virtual bool hasImplThread() const OVERRIDE;
     virtual bool shouldClearRootRenderPass() const OVERRIDE;
     virtual CompositorFrameMetadata makeCompositorFrameMetadata() const OVERRIDE;
 
     // TileManagerClient implementation.
     virtual void ScheduleManageTiles() OVERRIDE;
+    virtual void ScheduleCheckForCompletedRasterTasks() OVERRIDE;
     virtual void DidUploadVisibleHighResolutionTile() OVERRIDE;
+    virtual void DidDetectIdleRaster() OVERRIDE;
 
     // OutputSurfaceClient implementation.
     virtual void OnVSyncParametersChanged(base::TimeTicks timebase, base::TimeDelta interval) OVERRIDE;
     virtual void OnSendFrameToParentCompositorAck(const CompositorFrameAck&) OVERRIDE;
 
     // Called from LayerTreeImpl.
     void OnCanDrawStateChangedForTree(LayerTreeImpl*);
 
     // Implementation
     bool canDraw();
@@ skipping 105 matching lines @@
 
     void setTreePriority(TreePriority priority);
 
     void beginNextFrame();
     base::TimeTicks currentFrameTime();
 
     scoped_ptr<base::Value> asValue() const;
     scoped_ptr<base::Value> activationStateAsValue() const;
     scoped_ptr<base::Value> frameStateAsValue() const;
 
+    void checkForCompletedRasterTasks();
+
 protected:
     LayerTreeHostImpl(const LayerTreeSettings&, LayerTreeHostImplClient*, Proxy*);
     void activatePendingTree();
 
     // Virtual for testing.
     virtual void animateLayers(base::TimeTicks monotonicTime, base::Time wallClockTime);
     virtual void updateAnimationState();
 
     // Virtual for testing.
     virtual base::TimeDelta lowFrequencyAnimationInterval() const;
@@ skipping 95 matching lines @@
     base::TimeTicks m_currentFrameTime;
 
     scoped_ptr<AnimationRegistrar> m_animationRegistrar;
 
     DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYER_TREE_HOST_IMPL_H_