1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef GraphicsLayerChromium_h 32 #define GraphicsLayerChromium_h 33 34 #if USE(ACCELERATED_COMPOSITING) 35 36 #include "GraphicsContext.h" 37 #include "GraphicsLayer.h" 38 39 namespace WebCore { 40 41 class LayerChromium; 42 43 class GraphicsLayerChromium : public GraphicsLayer { 44 public: 45 GraphicsLayerChromium(GraphicsLayerClient*); 46 virtual ~GraphicsLayerChromium(); 47 48 virtual void setName(const String&); 49 50 virtual bool setChildren(const Vector<GraphicsLayer*>&); 51 virtual void addChild(GraphicsLayer*); 52 virtual void addChildAtIndex(GraphicsLayer*, int index); 53 virtual void addChildAbove(GraphicsLayer*, GraphicsLayer* sibling); 54 virtual void addChildBelow(GraphicsLayer*, GraphicsLayer* sibling); 55 virtual bool replaceChild(GraphicsLayer* oldChild, GraphicsLayer* newChild); 56 57 virtual void removeFromParent(); 58 59 virtual void setPosition(const FloatPoint&); 60 virtual void setAnchorPoint(const FloatPoint3D&); 61 virtual void setSize(const FloatSize&); 62 63 virtual void setTransform(const TransformationMatrix&); 64 65 virtual void setChildrenTransform(const TransformationMatrix&); 66 67 virtual void setPreserves3D(bool); 68 virtual void setMasksToBounds(bool); 69 virtual void setDrawsContent(bool); 70 virtual void setMaskLayer(GraphicsLayer*); 71 72 virtual void setBackgroundColor(const Color&); 73 virtual void clearBackgroundColor(); 74 75 virtual void setContentsOpaque(bool); 76 virtual void setBackfaceVisibility(bool); 77 78 virtual void setReplicatedByLayer(GraphicsLayer*); 79 80 virtual void setOpacity(float); 81 82 virtual void setNeedsDisplay(); 83 virtual void setNeedsDisplayInRect(const FloatRect&); 84 virtual void setContentsNeedsDisplay(); 85 86 virtual void setContentsRect(const IntRect&); 87 88 virtual void setContentsToImage(Image*); 89 virtual void setContentsToMedia(PlatformLayer*); 90 virtual void setContentsToCanvas(PlatformLayer*); 91 92 virtual PlatformLayer* platformLayer() const; 93 94 virtual void setDebugBackgroundColor(const Color&); 95 virtual void setDebugBorder(const Color&, float borderWidth); 96 notifySyncRequired()97 void notifySyncRequired() 98 { 99 if (m_client) 100 m_client->notifySyncRequired(this); 101 } 102 103 private: 104 void updateOpacityOnLayer(); 105 primaryLayer()106 LayerChromium* primaryLayer() const { return m_transformLayer.get() ? m_transformLayer.get() : m_layer.get(); } 107 LayerChromium* hostLayerForSublayers() const; 108 LayerChromium* layerForSuperlayer() const; 109 110 void updateNames(); 111 void updateSublayerList(); 112 void updateLayerPosition(); 113 void updateLayerSize(); 114 void updateAnchorPoint(); 115 void updateTransform(); 116 void updateChildrenTransform(); 117 void updateMasksToBounds(); 118 void updateContentsOpaque(); 119 void updateBackfaceVisibility(); 120 void updateLayerPreserves3D(); 121 void updateLayerDrawsContent(); 122 void updateLayerBackgroundColor(); 123 124 void updateContentsImage(); 125 void updateContentsVideo(); 126 void updateContentsRect(); 127 128 void setupContentsLayer(LayerChromium*); contentsLayer()129 LayerChromium* contentsLayer() const { return m_contentsLayer.get(); } 130 131 String m_nameBase; 132 133 RefPtr<LayerChromium> m_layer; 134 RefPtr<LayerChromium> m_transformLayer; 135 RefPtr<LayerChromium> m_contentsLayer; 136 137 enum ContentsLayerPurpose { 138 NoContentsLayer = 0, 139 ContentsLayerForImage, 140 ContentsLayerForVideo, 141 ContentsLayerForCanvas, 142 }; 143 144 ContentsLayerPurpose m_contentsLayerPurpose; 145 bool m_contentsLayerHasBackgroundColor : 1; 146 }; 147 148 } // namespace WebCore 149 150 #endif // USE(ACCELERATED_COMPOSITING) 151 152 #endif 153