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/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GraphicsLayerCACF_h
#define GraphicsLayerCACF_h
#if USE(ACCELERATED_COMPOSITING)
#include "GraphicsLayer.h"
#include "GraphicsContext.h"
#include <wtf/RetainPtr.h>
namespace WebCore {
class WKCACFLayer;
class GraphicsLayerCACF : public GraphicsLayer {
public:
GraphicsLayerCACF(GraphicsLayerClient*);
virtual ~GraphicsLayerCACF();
virtual void setName(const String& inName);
// for hosting this GraphicsLayer in a native layer hierarchy
virtual NativeLayer nativeLayer() const;
virtual bool setChildren(const Vector<GraphicsLayer*>&);
virtual void addChild(GraphicsLayer *layer);
virtual void addChildAtIndex(GraphicsLayer *layer, 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 removeFromParent();
virtual void setPosition(const FloatPoint& inPoint);
virtual void setAnchorPoint(const FloatPoint3D& inPoint);
virtual void setSize(const FloatSize& inSize);
virtual void setTransform(const TransformationMatrix&);
virtual void setChildrenTransform(const TransformationMatrix&);
virtual void setPreserves3D(bool);
virtual void setMasksToBounds(bool);
virtual void setDrawsContent(bool);
virtual void setBackgroundColor(const Color&);
virtual void clearBackgroundColor();
virtual void setContentsOpaque(bool);
virtual void setBackfaceVisibility(bool);
virtual void setOpacity(float opacity);
virtual void setNeedsDisplay();
virtual void setNeedsDisplayInRect(const FloatRect&);
virtual void setContentsRect(const IntRect&);
virtual void setContentsToImage(Image*);
virtual void setContentsToMedia(PlatformLayer*);
virtual PlatformLayer* platformLayer() const;
virtual void setDebugBackgroundColor(const Color&);
virtual void setDebugBorder(const Color&, float borderWidth);
virtual void setGeometryOrientation(CompositingCoordinatesOrientation);
private:
void updateOpacityOnLayer();
WKCACFLayer* primaryLayer() const { return m_transformLayer.get() ? m_transformLayer.get() : m_layer.get(); }
WKCACFLayer* hostLayerForSublayers() const;
WKCACFLayer* layerForSuperlayer() const;
bool requiresTiledLayer(const FloatSize&) const;
void swapFromOrToTiledLayer(bool useTiledLayer);
CompositingCoordinatesOrientation defaultContentsOrientation() const;
void updateSublayerList();
void updateLayerPosition();
void updateLayerSize();
void updateAnchorPoint();
void updateTransform();
void updateChildrenTransform();
void updateMasksToBounds();
void updateContentsOpaque();
void updateBackfaceVisibility();
void updateLayerPreserves3D();
void updateLayerDrawsContent();
void updateLayerBackgroundColor();
void updateContentsImage();
void updateContentsMedia();
void updateContentsRect();
void updateGeometryOrientation();
void setupContentsLayer(WKCACFLayer*);
WKCACFLayer* contentsLayer() const { return m_contentsLayer.get(); }
RefPtr<WKCACFLayer> m_layer;
RefPtr<WKCACFLayer> m_transformLayer;
RefPtr<WKCACFLayer> m_contentsLayer;
enum ContentsLayerPurpose {
NoContentsLayer = 0,
ContentsLayerForImage,
ContentsLayerForMedia
};
ContentsLayerPurpose m_contentsLayerPurpose;
bool m_contentsLayerHasBackgroundColor : 1;
RetainPtr<CGImageRef> m_pendingContentsImage;
};
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
#endif // GraphicsLayerCACF_h
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