1 /* 2 * Copyright 2012, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef SurfaceCollection_h 27 #define SurfaceCollection_h 28 29 #include "Color.h" 30 #include "SkRect.h" 31 #include "SkRefCnt.h" 32 33 #include <wtf/Vector.h> 34 35 class SkCanvas; 36 class SkRegion; 37 38 namespace WebCore { 39 40 class BaseLayerAndroid; 41 class Surface; 42 class TexturesResult; 43 44 class SurfaceCollection : public SkRefCnt { 45 // TODO: investigate webkit threadsafe ref counting 46 public: 47 SurfaceCollection(BaseLayerAndroid* compositedRoot); 48 virtual ~SurfaceCollection(); 49 50 // Tiled painting methods (executed on Surfaces) 51 void prepareGL(const SkRect& visibleContentRect, bool tryToFastBlit = false); 52 bool drawGL(const SkRect& visibleContentRect); 53 Color getBackgroundColor(); 54 void swapTiles(); 55 void addFrameworkInvals(); 56 bool isReady(); 57 bool isMissingBackgroundContent(); 58 void removePainterOperations(); 59 void computeTexturesAmount(TexturesResult* result); 60 61 // Recursive tree methods (animations, invals, etc) 62 void setIsPainting(SurfaceCollection* drawingSurfaceCollection); 63 void setIsDrawing(); 64 void mergeInvalsInto(SurfaceCollection* replacementSurfaceCollection); 65 bool evaluateAnimations(double currentTime); 66 67 bool hasCompositedLayers(); 68 bool hasCompositedAnimations(); 69 void updateScrollableLayer(int layerId, int x, int y); 70 71 int size() { return m_surfaces.size(); } 72 int backedSize(); 73 74 private: 75 void updateLayerPositions(const SkRect& visibleContentRect); 76 BaseLayerAndroid* const m_compositedRoot; 77 WTF::Vector<Surface*> m_surfaces; 78 }; 79 80 } // namespace WebCore 81 82 #endif //#define SurfaceCollection_h 83
