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/*
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef GraphicsLayerTextureMapper_h
#define GraphicsLayerTextureMapper_h
#if USE(TEXTURE_MAPPER)
#include "GraphicsLayer.h"
#include "GraphicsLayerClient.h"
#include "Image.h"
#include "TextureMapperLayer.h"
#include "TextureMapperPlatformLayer.h"
#include "TextureMapperTiledBackingStore.h"
#include "Timer.h"
namespace WebCore {
class GraphicsLayerTextureMapper : public GraphicsLayer, public TextureMapperPlatformLayer::Client {
public:
explicit GraphicsLayerTextureMapper(GraphicsLayerClient*);
virtual ~GraphicsLayerTextureMapper();
void setScrollClient(TextureMapperLayer::ScrollingClient* client) { m_layer->setScrollClient(client); }
void setID(uint32_t id) { m_layer->setID(id); }
// reimps from GraphicsLayer.h
virtual void setNeedsDisplay();
virtual void setContentsNeedsDisplay();
virtual void setNeedsDisplayInRect(const FloatRect&);
virtual bool setChildren(const Vector<GraphicsLayer*>&);
virtual void addChild(GraphicsLayer*);
virtual void addChildAtIndex(GraphicsLayer*, int index);
virtual void addChildAbove(GraphicsLayer* layer, GraphicsLayer* sibling);
virtual void addChildBelow(GraphicsLayer* layer, GraphicsLayer* sibling);
virtual bool replaceChild(GraphicsLayer* oldChild, GraphicsLayer* newChild);
virtual void setMaskLayer(GraphicsLayer* layer);
virtual void setPosition(const FloatPoint& p);
virtual void setAnchorPoint(const FloatPoint3D& p);
virtual void setSize(const FloatSize& size);
virtual void setTransform(const TransformationMatrix& t);
virtual void setChildrenTransform(const TransformationMatrix& t);
virtual void setPreserves3D(bool b);
virtual void setMasksToBounds(bool b);
virtual void setDrawsContent(bool b);
virtual void setContentsVisible(bool);
virtual void setContentsOpaque(bool b);
virtual void setBackfaceVisibility(bool b);
virtual void setOpacity(float opacity);
virtual void setContentsRect(const IntRect& r);
virtual void setReplicatedByLayer(GraphicsLayer*);
virtual void setContentsToImage(Image*);
virtual void setContentsToSolidColor(const Color&);
Color solidColor() const { return m_solidColor; }
virtual void setContentsToMedia(PlatformLayer*);
virtual void setContentsToCanvas(PlatformLayer* canvas) { setContentsToMedia(canvas); }
virtual void setShowDebugBorder(bool) OVERRIDE;
virtual void setDebugBorder(const Color&, float width) OVERRIDE;
virtual void setShowRepaintCounter(bool) OVERRIDE;
virtual void flushCompositingState(const FloatRect&);
virtual void flushCompositingStateForThisLayerOnly();
virtual void setName(const String& name);
virtual bool hasContentsLayer() const { return m_contentsLayer; }
virtual PlatformLayer* platformLayer() const { return m_contentsLayer; }
inline int changeMask() const { return m_changeMask; }
virtual bool addAnimation(const KeyframeValueList&, const IntSize&, const Animation*, const String&, double);
virtual void pauseAnimation(const String&, double);
virtual void removeAnimation(const String&);
void setAnimations(const GraphicsLayerAnimations&);
TextureMapperLayer* layer() const { return m_layer.get(); }
void didCommitScrollOffset(const IntSize&);
void setIsScrollable(bool);
bool isScrollable() const { return m_isScrollable; }
#if ENABLE(CSS_FILTERS)
virtual bool setFilters(const FilterOperations&);
#endif
void setFixedToViewport(bool);
bool fixedToViewport() const { return m_fixedToViewport; }
Color debugBorderColor() const { return m_debugBorderColor; }
float debugBorderWidth() const { return m_debugBorderWidth; }
void setRepaintCount(int);
private:
virtual void willBeDestroyed();
void commitLayerChanges();
void updateDebugBorderAndRepaintCount();
void updateBackingStoreIfNeeded();
void prepareBackingStoreIfNeeded();
bool shouldHaveBackingStore() const;
// TextureMapperPlatformLayer::Client methods:
virtual void setPlatformLayerNeedsDisplay() OVERRIDE { setContentsNeedsDisplay(); }
virtual void platformLayerWasDestroyed() OVERRIDE { m_contentsLayer = 0; }
// This set of flags help us defer which properties of the layer have been
// modified by the compositor, so we can know what to look for in the next flush.
enum ChangeMask {
NoChanges = 0,
ChildrenChange = (1L << 1),
MaskLayerChange = (1L << 2),
ReplicaLayerChange = (1L << 3),
ContentChange = (1L << 4),
ContentsRectChange = (1L << 5),
ContentsVisibleChange = (1L << 6),
ContentsOpaqueChange = (1L << 7),
PositionChange = (1L << 8),
AnchorPointChange = (1L << 9),
SizeChange = (1L << 10),
TransformChange = (1L << 11),
ChildrenTransformChange = (1L << 12),
Preserves3DChange = (1L << 13),
MasksToBoundsChange = (1L << 14),
DrawsContentChange = (1L << 15),
OpacityChange = (1L << 16),
BackfaceVisibilityChange = (1L << 17),
BackingStoreChange = (1L << 18),
DisplayChange = (1L << 19),
ContentsDisplayChange = (1L << 20),
BackgroundColorChange = (1L << 21),
AnimationChange = (1L << 22),
FilterChange = (1L << 23),
DebugVisualsChange = (1L << 24),
RepaintCountChange = (1L << 25),
FixedToViewporChange = (1L << 26),
AnimationStarted = (1L << 27),
CommittedScrollOffsetChange = (1L << 28),
IsScrollableChange = (1L << 29)
};
void notifyChange(ChangeMask);
OwnPtr<TextureMapperLayer> m_layer;
RefPtr<TextureMapperTiledBackingStore> m_compositedImage;
NativeImagePtr m_compositedNativeImagePtr;
RefPtr<TextureMapperBackingStore> m_backingStore;
int m_changeMask;
bool m_needsDisplay;
bool m_hasOwnBackingStore;
bool m_fixedToViewport;
Color m_solidColor;
Color m_debugBorderColor;
float m_debugBorderWidth;
TextureMapperPlatformLayer* m_contentsLayer;
FloatRect m_needsDisplayRect;
GraphicsLayerAnimations m_animations;
double m_animationStartTime;
IntSize m_committedScrollOffset;
bool m_isScrollable;
};
inline static GraphicsLayerTextureMapper* toGraphicsLayerTextureMapper(GraphicsLayer* layer)
{
return static_cast<GraphicsLayerTextureMapper*>(layer);
}
TextureMapperLayer* toTextureMapperLayer(GraphicsLayer*);
}
#endif
#endif // GraphicsLayerTextureMapper_h
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