Maintain global lists of animation controllers

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 97 matching lines @@
     gfx::Vector2dF m_zoomedViewportOffset;
     gfx::SizeF m_layoutViewportSize;
 };
 
 // LayerTreeHostImpl owns the LayerImpl tree as well as associated rendering state
 class CC_EXPORT LayerTreeHostImpl : public InputHandlerClient,
                                     public RendererClient,
                                     public TileManagerClient,
                                     public NON_EXPORTED_BASE(WebKit::WebCompositorOutputSurfaceClient) {
     typedef std::vector<LayerImpl*> LayerList;
+    typedef base::hash_set<LayerAnimationController*> AnimationControllerSet;
 
 public:
     static scoped_ptr<LayerTreeHostImpl> create(const LayerTreeSettings&, LayerTreeHostImplClient*, Proxy*);
     virtual ~LayerTreeHostImpl();
 
     // InputHandlerClient implementation
     virtual InputHandlerClient::ScrollStatus scrollBegin(gfx::Point, InputHandlerClient::ScrollInputType) OVERRIDE;
     virtual bool scrollBy(const gfx::Point&, const gfx::Vector2d&) OVERRIDE;
     virtual void scrollEnd() OVERRIDE;
     virtual void pinchGestureBegin() OVERRIDE;
@@ skipping 105 matching lines @@
     scoped_ptr<ScrollAndScaleSet> processScrollDeltas();
     gfx::Transform implTransform() const;
 
     void startPageScaleAnimation(gfx::Vector2d targetOffset, bool useAnchor, float scale, base::TimeDelta duration);
 
     SkColor backgroundColor() const { return m_backgroundColor; }
     void setBackgroundColor(SkColor color) { m_backgroundColor = color; }
 
     bool hasTransparentBackground() const { return m_hasTransparentBackground; }
     void setHasTransparentBackground(bool transparent) { m_hasTransparentBackground = transparent; }
-
-    bool needsAnimateLayers() const { return m_needsAnimateLayers; }
-    void setNeedsAnimateLayers() { m_needsAnimateLayers = true; }
+    bool needsAnimateLayers() const;
 
     void setNeedsRedraw();
 
     void renderingStats(RenderingStats*) const;
 
     void updateRootScrollLayerImplTransform();
 
     FrameRateCounter* fpsCounter() const { return m_fpsCounter.get(); }
     DebugRectHistory* debugRectHistory() const { return m_debugRectHistory.get(); }
     ResourceProvider* resourceProvider() const { return m_resourceProvider.get(); }
@@ skipping 93 matching lines @@
     gfx::Size m_deviceViewportSize;
     float m_deviceScaleFactor;
     bool m_visible;
     bool m_contentsTexturesPurged;
     ManagedMemoryPolicy m_managedMemoryPolicy;
 
     SkColor m_backgroundColor;
     bool m_hasTransparentBackground;
 
     // If this is true, it is necessary to traverse the layer tree ticking the animators.
-    bool m_needsAnimateLayers;
     bool m_pinchGestureActive;
     gfx::Point m_previousPinchAnchor;
 
     scoped_ptr<PageScaleAnimation> m_pageScaleAnimation;
 
     // This is used for ticking animations slowly when hidden.
     scoped_ptr<LayerTreeHostImplTimeSourceAdapter> m_timeSourceClientAdapter;
 
     LayerSorter m_layerSorter;
 
@@ skipping 10 matching lines @@
     size_t m_numMainThreadScrolls;
 
     size_t m_cumulativeNumLayersDrawn;
 
     DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYER_TREE_HOST_IMPL_H_