1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef GraphicsLayerAndroid_h 18 #define GraphicsLayerAndroid_h 19 20 #if USE(ACCELERATED_COMPOSITING) 21 22 #include "FloatRect.h" 23 #include "Frame.h" 24 #include "GraphicsLayer.h" 25 #include "GraphicsLayerClient.h" 26 #include "LayerContent.h" 27 #include "PicturePile.h" 28 #include "RefPtr.h" 29 #include "ScrollableLayerAndroid.h" 30 #include "SkBitmapRef.h" 31 #include "Vector.h" 32 33 class SkBitmapRef; 34 class SkRegion; 35 36 namespace WebCore { 37 38 class FloatPoint3D; 39 class Image; 40 class LayerAndroid; 41 class FixedBackgroundImageLayerAndroid; 42 class ScrollableLayerAndroid; 43 44 class GraphicsLayerAndroid : public GraphicsLayer, PicturePainter { 45 public: 46 47 GraphicsLayerAndroid(GraphicsLayerClient*); 48 virtual ~GraphicsLayerAndroid(); 49 50 // PicturePainter 51 52 virtual void paintContents(GraphicsContext* gc, IntRect& dirty); 53 54 ///// 55 56 virtual void setName(const String&); 57 58 // for hosting this GraphicsLayer in a native layer hierarchy 59 virtual NativeLayer nativeLayer() const; 60 61 virtual bool setChildren(const Vector<GraphicsLayer*>&); 62 virtual void addChild(GraphicsLayer*); 63 virtual void addChildAtIndex(GraphicsLayer*, int index); 64 virtual void addChildAbove(GraphicsLayer* layer, GraphicsLayer* sibling); 65 virtual void addChildBelow(GraphicsLayer* layer, GraphicsLayer* sibling); 66 virtual bool replaceChild(GraphicsLayer* oldChild, GraphicsLayer* newChild); 67 virtual void setReplicatedLayer(GraphicsLayer* layer); 68 69 virtual void removeFromParent(); 70 71 virtual void setPosition(const FloatPoint&); 72 virtual void setPreserves3D(bool b); 73 virtual void setAnchorPoint(const FloatPoint3D&); 74 virtual void setSize(const FloatSize&); 75 76 virtual void setBackfaceVisibility(bool b); 77 virtual void setTransform(const TransformationMatrix&); 78 79 virtual void setChildrenTransform(const TransformationMatrix&); 80 81 virtual void setMaskLayer(GraphicsLayer*); 82 virtual void setMasksToBounds(bool); 83 virtual void setDrawsContent(bool); 84 85 virtual void setBackgroundColor(const Color&); 86 virtual void clearBackgroundColor(); 87 88 virtual void setContentsOpaque(bool); 89 90 virtual void setOpacity(float); 91 92 virtual void setNeedsDisplay(); 93 virtual void setNeedsDisplayInRect(const FloatRect&); 94 95 virtual bool addAnimation(const KeyframeValueList& valueList, 96 const IntSize& boxSize, 97 const Animation* anim, 98 const String& keyframesName, 99 double beginTime); 100 bool createTransformAnimationsFromKeyframes(const KeyframeValueList&, 101 const Animation*, 102 const String& keyframesName, 103 double beginTime, 104 const IntSize& boxSize); 105 bool createAnimationFromKeyframes(const KeyframeValueList&, 106 const Animation*, 107 const String& keyframesName, 108 double beginTime); 109 110 virtual void removeAnimationsForProperty(AnimatedPropertyID); 111 virtual void removeAnimationsForKeyframes(const String& keyframesName); 112 virtual void pauseAnimation(const String& keyframesName); 113 114 virtual void suspendAnimations(double time); 115 virtual void resumeAnimations(); 116 117 virtual void setContentsToImage(Image*); 118 virtual void setContentsToMedia(PlatformLayer*); 119 virtual PlatformLayer* platformLayer() const; 120 121 void pauseDisplay(bool state); 122 123 #ifndef NDEBUG 124 virtual void setDebugBackgroundColor(const Color&); 125 virtual void setDebugBorder(const Color&, float borderWidth); 126 #endif 127 128 virtual void setZPosition(float); 129 130 void gatherRootLayers(Vector<const RenderLayer*>&); 131 virtual void syncCompositingState(); 132 virtual void syncCompositingStateForThisLayerOnly(); 133 void notifyClientAnimationStarted(); 134 135 LayerAndroid* contentLayer() { return m_contentLayer; } 136 LayerAndroid* foregroundLayer() { return m_foregroundLayer; } 137 138 static int instancesCount(); 139 140 virtual void updateScrollOffset(); 141 142 private: 143 144 void askForSync(); 145 void syncPositionState(); 146 void syncChildren(); 147 void syncMask(); 148 149 void updatePositionedLayers(); 150 void updateScrollingLayers(); 151 void updateFixedBackgroundLayers(); 152 153 // with SkPicture, we always repaint the entire layer's content. 154 bool repaint(); 155 void needsNotifyClient(); 156 157 bool paintContext(LayerAndroid* layer, PicturePile& picture); 158 159 bool m_needsSyncChildren; 160 bool m_needsSyncMask; 161 bool m_needsRepaint; 162 bool m_needsNotifyClient; 163 164 bool m_haveContents; 165 bool m_newImage; 166 Image* m_image; 167 168 LayerAndroid* m_contentLayer; 169 FixedBackgroundImageLayerAndroid* m_fixedBackgroundLayer; 170 LayerAndroid* m_foregroundLayer; 171 LayerAndroid* m_foregroundClipLayer; 172 173 PicturePile m_contentLayerContent; 174 PicturePile m_foregroundLayerContent; 175 }; 176 177 } // namespace WebCore 178 179 180 #endif // USE(ACCELERATED_COMPOSITING) 181 182 #endif // GraphicsLayerAndroid_h 183
