Index: cc/layer.h |
diff --git a/cc/layer.h b/cc/layer.h |
index 638cbb270ce9b24689d5095baf174ade4f4d1a13..a87caa0ca370dec51668a55af8c4690855328e9d 100644 |
--- a/cc/layer.h |
+++ b/cc/layer.h |
@@ -1,3 +1,390 @@ |
-// Copyright 2012 The Chromium Authors. All rights reserved. |
+// Copyright 2010 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 LayerChromium_h |
+#define LayerChromium_h |
+ |
+#if USE(ACCELERATED_COMPOSITING) |
+ |
+#include "base/memory/ref_counted.h" |
+#include "CCLayerAnimationController.h" |
+#include "CCOcclusionTracker.h" |
+#include "FloatPoint.h" |
+#include "Region.h" |
+#include "RenderSurfaceChromium.h" |
+#include "SkColor.h" |
+#include <public/WebFilterOperations.h> |
+#include <public/WebTransformationMatrix.h> |
+#include <string> |
+#include <vector> |
+ |
+namespace WebKit { |
+class WebAnimationDelegate; |
+class WebLayerScrollClient; |
+} |
+ |
+namespace cc { |
+ |
+class CCActiveAnimation; |
+struct CCAnimationEvent; |
+class CCLayerAnimationDelegate; |
+class CCLayerImpl; |
+class CCLayerTreeHost; |
+class CCPriorityCalculator; |
+class CCTextureUpdateQueue; |
+class ScrollbarLayerChromium; |
+struct CCAnimationEvent; |
+struct CCRenderingStats; |
+ |
+// Base class for composited layers. Special layer types are derived from |
+// this class. |
+class LayerChromium : public base::RefCounted<LayerChromium>, public CCLayerAnimationControllerClient { |
+public: |
+ typedef std::vector<scoped_refptr<LayerChromium> > LayerList; |
+ |
+ static scoped_refptr<LayerChromium> create(); |
+ |
+ // CCLayerAnimationControllerClient implementation |
+ virtual int id() const OVERRIDE; |
+ virtual void setOpacityFromAnimation(float) OVERRIDE; |
+ virtual float opacity() const OVERRIDE; |
+ virtual void setTransformFromAnimation(const WebKit::WebTransformationMatrix&) OVERRIDE; |
+ // A layer's transform operates layer space. That is, entirely in logical, |
+ // non-page-scaled pixels (that is, they have page zoom baked in, but not page scale). |
+ // The root layer is a special case -- it operates in physical pixels. |
+ virtual const WebKit::WebTransformationMatrix& transform() const OVERRIDE; |
+ |
+ LayerChromium* rootLayer(); |
+ LayerChromium* parent() const; |
+ void addChild(scoped_refptr<LayerChromium>); |
+ void insertChild(scoped_refptr<LayerChromium>, size_t index); |
+ void replaceChild(LayerChromium* reference, scoped_refptr<LayerChromium> newLayer); |
+ void removeFromParent(); |
+ void removeAllChildren(); |
+ void setChildren(const LayerList&); |
+ |
+ const LayerList& children() const { return m_children; } |
+ |
+ void setAnchorPoint(const FloatPoint&); |
+ FloatPoint anchorPoint() const { return m_anchorPoint; } |
+ |
+ void setAnchorPointZ(float); |
+ float anchorPointZ() const { return m_anchorPointZ; } |
+ |
+ void setBackgroundColor(SkColor); |
+ SkColor backgroundColor() const { return m_backgroundColor; } |
+ |
+ // A layer's bounds are in logical, non-page-scaled pixels (however, the |
+ // root layer's bounds are in physical pixels). |
+ void setBounds(const IntSize&); |
+ const IntSize& bounds() const { return m_bounds; } |
+ virtual IntSize contentBounds() const; |
+ |
+ void setMasksToBounds(bool); |
+ bool masksToBounds() const { return m_masksToBounds; } |
+ |
+ void setMaskLayer(LayerChromium*); |
+ LayerChromium* maskLayer() const { return m_maskLayer.get(); } |
+ |
+ virtual void setNeedsDisplayRect(const FloatRect& dirtyRect); |
+ void setNeedsDisplay() { setNeedsDisplayRect(FloatRect(FloatPoint(), bounds())); } |
+ virtual bool needsDisplay() const; |
+ |
+ void setOpacity(float); |
+ bool opacityIsAnimating() const; |
+ |
+ void setFilters(const WebKit::WebFilterOperations&); |
+ const WebKit::WebFilterOperations& filters() const { return m_filters; } |
+ |
+ // Background filters are filters applied to what is behind this layer, when they are viewed through non-opaque |
+ // regions in this layer. They are used through the WebLayer interface, and are not exposed to HTML. |
+ void setBackgroundFilters(const WebKit::WebFilterOperations&); |
+ const WebKit::WebFilterOperations& backgroundFilters() const { return m_backgroundFilters; } |
+ |
+ virtual void setContentsOpaque(bool); |
+ bool contentsOpaque() const { return m_contentsOpaque; } |
+ |
+ void setPosition(const FloatPoint&); |
+ FloatPoint position() const { return m_position; } |
+ |
+ void setIsContainerForFixedPositionLayers(bool); |
+ bool isContainerForFixedPositionLayers() const { return m_isContainerForFixedPositionLayers; } |
+ |
+ void setFixedToContainerLayer(bool); |
+ bool fixedToContainerLayer() const { return m_fixedToContainerLayer; } |
+ |
+ void setSublayerTransform(const WebKit::WebTransformationMatrix&); |
+ const WebKit::WebTransformationMatrix& sublayerTransform() const { return m_sublayerTransform; } |
+ |
+ void setTransform(const WebKit::WebTransformationMatrix&); |
+ bool transformIsAnimating() const; |
+ |
+ const IntRect& visibleContentRect() const { return m_visibleContentRect; } |
+ void setVisibleContentRect(const IntRect& visibleContentRect) { m_visibleContentRect = visibleContentRect; } |
+ |
+ void setScrollPosition(const IntPoint&); |
+ const IntPoint& scrollPosition() const { return m_scrollPosition; } |
+ |
+ void setMaxScrollPosition(const IntSize&); |
+ const IntSize& maxScrollPosition() const { return m_maxScrollPosition; } |
+ |
+ void setScrollable(bool); |
+ bool scrollable() const { return m_scrollable; } |
+ |
+ void setShouldScrollOnMainThread(bool); |
+ bool shouldScrollOnMainThread() const { return m_shouldScrollOnMainThread; } |
+ |
+ void setHaveWheelEventHandlers(bool); |
+ bool haveWheelEventHandlers() const { return m_haveWheelEventHandlers; } |
+ |
+ void setNonFastScrollableRegion(const Region&); |
+ void setNonFastScrollableRegionChanged() { m_nonFastScrollableRegionChanged = true; } |
+ const Region& nonFastScrollableRegion() const { return m_nonFastScrollableRegion; } |
+ |
+ void setLayerScrollClient(WebKit::WebLayerScrollClient* layerScrollClient) { m_layerScrollClient = layerScrollClient; } |
+ |
+ void setDrawCheckerboardForMissingTiles(bool); |
+ bool drawCheckerboardForMissingTiles() const { return m_drawCheckerboardForMissingTiles; } |
+ |
+ bool forceRenderSurface() const { return m_forceRenderSurface; } |
+ void setForceRenderSurface(bool); |
+ |
+ IntSize scrollDelta() const { return IntSize(); } |
+ |
+ void setImplTransform(const WebKit::WebTransformationMatrix&); |
+ const WebKit::WebTransformationMatrix& implTransform() const { return m_implTransform; } |
+ |
+ void setDoubleSided(bool); |
+ bool doubleSided() const { return m_doubleSided; } |
+ |
+ void setPreserves3D(bool preserve3D) { m_preserves3D = preserve3D; } |
+ bool preserves3D() const { return m_preserves3D; } |
+ |
+ void setUseParentBackfaceVisibility(bool useParentBackfaceVisibility) { m_useParentBackfaceVisibility = useParentBackfaceVisibility; } |
+ bool useParentBackfaceVisibility() const { return m_useParentBackfaceVisibility; } |
+ |
+ virtual void setUseLCDText(bool); |
+ bool useLCDText() const { return m_useLCDText; } |
+ |
+ virtual void setLayerTreeHost(CCLayerTreeHost*); |
+ |
+ bool hasContributingDelegatedRenderPasses() const { return false; } |
+ |
+ void setIsDrawable(bool); |
+ |
+ void setReplicaLayer(LayerChromium*); |
+ LayerChromium* replicaLayer() const { return m_replicaLayer.get(); } |
+ |
+ bool hasMask() const { return m_maskLayer; } |
+ bool hasReplica() const { return m_replicaLayer; } |
+ bool replicaHasMask() const { return m_replicaLayer && (m_maskLayer || m_replicaLayer->m_maskLayer); } |
+ |
+ // These methods typically need to be overwritten by derived classes. |
+ virtual bool drawsContent() const; |
+ virtual void update(CCTextureUpdateQueue&, const CCOcclusionTracker*, CCRenderingStats&) { } |
+ virtual bool needMoreUpdates(); |
+ virtual void setIsMask(bool) { } |
+ virtual void bindContentsTexture() { } |
+ virtual bool needsContentsScale() const; |
+ |
+ void setDebugBorderColor(SkColor); |
+ void setDebugBorderWidth(float); |
+ void setDebugName(const std::string&); |
+ |
+ virtual void pushPropertiesTo(CCLayerImpl*); |
+ |
+ void clearRenderSurface() { m_renderSurface.reset(); } |
+ RenderSurfaceChromium* renderSurface() const { return m_renderSurface.get(); } |
+ void createRenderSurface(); |
+ |
+ float drawOpacity() const { return m_drawOpacity; } |
+ void setDrawOpacity(float opacity) { m_drawOpacity = opacity; } |
+ |
+ bool drawOpacityIsAnimating() const { return m_drawOpacityIsAnimating; } |
+ void setDrawOpacityIsAnimating(bool drawOpacityIsAnimating) { m_drawOpacityIsAnimating = drawOpacityIsAnimating; } |
+ |
+ LayerChromium* renderTarget() const { ASSERT(!m_renderTarget || m_renderTarget->renderSurface()); return m_renderTarget; } |
+ void setRenderTarget(LayerChromium* target) { m_renderTarget = target; } |
+ |
+ bool drawTransformIsAnimating() const { return m_drawTransformIsAnimating; } |
+ void setDrawTransformIsAnimating(bool animating) { m_drawTransformIsAnimating = animating; } |
+ bool screenSpaceTransformIsAnimating() const { return m_screenSpaceTransformIsAnimating; } |
+ void setScreenSpaceTransformIsAnimating(bool animating) { m_screenSpaceTransformIsAnimating = animating; } |
+ |
+ // This moves from layer space, with origin in the center to target space with origin in the top left. |
+ // That is, it converts from logical, non-page-scaled, to target pixels (and if the target is the |
+ // root render surface, then this converts to physical pixels). |
+ const WebKit::WebTransformationMatrix& drawTransform() const { return m_drawTransform; } |
+ void setDrawTransform(const WebKit::WebTransformationMatrix& matrix) { m_drawTransform = matrix; } |
+ // This moves from content space, with origin the top left to screen space with origin in the top left. |
+ // It converts logical, non-page-scaled pixels to physical pixels. |
+ const WebKit::WebTransformationMatrix& screenSpaceTransform() const { return m_screenSpaceTransform; } |
+ void setScreenSpaceTransform(const WebKit::WebTransformationMatrix& matrix) { m_screenSpaceTransform = matrix; } |
+ const IntRect& drawableContentRect() const { return m_drawableContentRect; } |
+ void setDrawableContentRect(const IntRect& rect) { m_drawableContentRect = rect; } |
+ // The contentsScale converts from logical, non-page-scaled pixels to target pixels. |
+ // The contentsScale is 1 for the root layer as it is already in physical pixels. |
+ float contentsScale() const { return m_contentsScale; } |
+ void setContentsScale(float); |
+ |
+ // When true, the layer's contents are not scaled by the current page scale factor. |
+ // setBoundsContainPageScale recursively sets the value on all child layers. |
+ void setBoundsContainPageScale(bool); |
+ bool boundsContainPageScale() const { return m_boundsContainPageScale; } |
+ |
+ // Returns true if any of the layer's descendants has content to draw. |
+ bool descendantDrawsContent(); |
+ |
+ CCLayerTreeHost* layerTreeHost() const { return m_layerTreeHost; } |
+ |
+ // Set the priority of all desired textures in this layer. |
+ virtual void setTexturePriorities(const CCPriorityCalculator&) { } |
+ |
+ bool addAnimation(scoped_ptr<CCActiveAnimation>); |
+ void pauseAnimation(int animationId, double timeOffset); |
+ void removeAnimation(int animationId); |
+ |
+ void suspendAnimations(double monotonicTime); |
+ void resumeAnimations(double monotonicTime); |
+ |
+ CCLayerAnimationController* layerAnimationController() { return m_layerAnimationController.get(); } |
+ void setLayerAnimationController(scoped_ptr<CCLayerAnimationController>); |
+ scoped_ptr<CCLayerAnimationController> releaseLayerAnimationController(); |
+ |
+ void setLayerAnimationDelegate(WebKit::WebAnimationDelegate* layerAnimationDelegate) { m_layerAnimationDelegate = layerAnimationDelegate; } |
+ |
+ bool hasActiveAnimation() const; |
+ |
+ virtual void notifyAnimationStarted(const CCAnimationEvent&, double wallClockTime); |
+ virtual void notifyAnimationFinished(double wallClockTime); |
+ |
+ virtual Region visibleContentOpaqueRegion() const; |
+ |
+ virtual ScrollbarLayerChromium* toScrollbarLayerChromium(); |
+ |
+protected: |
+ friend class CCLayerImpl; |
+ friend class TreeSynchronizer; |
+ virtual ~LayerChromium(); |
+ |
+ LayerChromium(); |
+ |
+ void setNeedsCommit(); |
+ |
+ IntRect layerRectToContentRect(const WebKit::WebRect& layerRect); |
+ |
+ // This flag is set when layer need repainting/updating. |
+ bool m_needsDisplay; |
+ |
+ // Tracks whether this layer may have changed stacking order with its siblings. |
+ bool m_stackingOrderChanged; |
+ |
+ // The update rect is the region of the compositor resource that was actually updated by the compositor. |
+ // For layers that may do updating outside the compositor's control (i.e. plugin layers), this information |
+ // is not available and the update rect will remain empty. |
+ // Note this rect is in layer space (not content space). |
+ FloatRect m_updateRect; |
+ |
+ scoped_refptr<LayerChromium> m_maskLayer; |
+ |
+ // Constructs a CCLayerImpl of the correct runtime type for this LayerChromium type. |
+ virtual scoped_ptr<CCLayerImpl> createCCLayerImpl(); |
+ int m_layerId; |
+ |
+private: |
+ friend class base::RefCounted<LayerChromium>; |
+ |
+ void setParent(LayerChromium*); |
+ bool hasAncestor(LayerChromium*) const; |
+ bool descendantIsFixedToContainerLayer() const; |
+ |
+ size_t numChildren() const { return m_children.size(); } |
+ |
+ // Returns the index of the child or -1 if not found. |
+ int indexOfChild(const LayerChromium*); |
+ |
+ // This should only be called from removeFromParent. |
+ void removeChild(LayerChromium*); |
+ |
+ LayerList m_children; |
+ LayerChromium* m_parent; |
+ |
+ // LayerChromium instances have a weak pointer to their CCLayerTreeHost. |
+ // This pointer value is nil when a LayerChromium is not in a tree and is |
+ // updated via setLayerTreeHost() if a layer moves between trees. |
+ CCLayerTreeHost* m_layerTreeHost; |
+ |
+ scoped_ptr<CCLayerAnimationController> m_layerAnimationController; |
+ |
+ // Layer properties. |
+ IntSize m_bounds; |
+ |
+ // Uses layer's content space. |
+ IntRect m_visibleContentRect; |
+ |
+ IntPoint m_scrollPosition; |
+ IntSize m_maxScrollPosition; |
+ bool m_scrollable; |
+ bool m_shouldScrollOnMainThread; |
+ bool m_haveWheelEventHandlers; |
+ Region m_nonFastScrollableRegion; |
+ bool m_nonFastScrollableRegionChanged; |
+ FloatPoint m_position; |
+ FloatPoint m_anchorPoint; |
+ SkColor m_backgroundColor; |
+ SkColor m_debugBorderColor; |
+ float m_debugBorderWidth; |
+ std::string m_debugName; |
+ float m_opacity; |
+ WebKit::WebFilterOperations m_filters; |
+ WebKit::WebFilterOperations m_backgroundFilters; |
+ float m_anchorPointZ; |
+ bool m_isContainerForFixedPositionLayers; |
+ bool m_fixedToContainerLayer; |
+ bool m_isDrawable; |
+ bool m_masksToBounds; |
+ bool m_contentsOpaque; |
+ bool m_doubleSided; |
+ bool m_useLCDText; |
+ bool m_preserves3D; |
+ bool m_useParentBackfaceVisibility; |
+ bool m_drawCheckerboardForMissingTiles; |
+ bool m_forceRenderSurface; |
+ |
+ WebKit::WebTransformationMatrix m_transform; |
+ WebKit::WebTransformationMatrix m_sublayerTransform; |
+ |
+ // Replica layer used for reflections. |
+ scoped_refptr<LayerChromium> m_replicaLayer; |
+ |
+ // Transient properties. |
+ scoped_ptr<RenderSurfaceChromium> m_renderSurface; |
+ float m_drawOpacity; |
+ bool m_drawOpacityIsAnimating; |
+ |
+ LayerChromium* m_renderTarget; |
+ |
+ WebKit::WebTransformationMatrix m_drawTransform; |
+ WebKit::WebTransformationMatrix m_screenSpaceTransform; |
+ bool m_drawTransformIsAnimating; |
+ bool m_screenSpaceTransformIsAnimating; |
+ |
+ // Uses target surface space. |
+ IntRect m_drawableContentRect; |
+ float m_contentsScale; |
+ bool m_boundsContainPageScale; |
+ |
+ WebKit::WebTransformationMatrix m_implTransform; |
+ |
+ WebKit::WebAnimationDelegate* m_layerAnimationDelegate; |
+ WebKit::WebLayerScrollClient* m_layerScrollClient; |
+}; |
+ |
+void sortLayers(std::vector<scoped_refptr<LayerChromium> >::iterator, std::vector<scoped_refptr<LayerChromium> >::iterator, void*); |
+ |
+} |
+#endif // USE(ACCELERATED_COMPOSITING) |
+ |
+#endif |