1 /* 2 * Copyright 2010, 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 DrawExtra_h 27 #define DrawExtra_h 28 29 #include "config.h" 30 31 #include "Color.h" 32 #include "IntPoint.h" 33 #include "IntRect.h" 34 #include "wtf/HashMap.h" 35 #include "wtf/Vector.h" 36 37 // Color of the ring copied from framework's holo_light 38 #define COLOR_HOLO_LIGHT 0x6633B5E5 39 // Color of the ring copied from framework's holo_dark 40 #define COLOR_HOLO_DARK 0x660099CC 41 42 class SkCanvas; 43 class SkRegion; 44 45 namespace WebCore { 46 class LayerAndroid; 47 class GLExtras; 48 } 49 50 using namespace WebCore; 51 52 namespace android { 53 54 class DrawExtra { 55 public: 56 virtual ~DrawExtra() {} 57 virtual void draw(SkCanvas*, LayerAndroid*) {} 58 virtual void drawGL(GLExtras*, const LayerAndroid*) {} 59 }; 60 61 // A helper extra that has a SkRegion per LayerAndroid 62 class RegionLayerDrawExtra : public DrawExtra { 63 public: 64 RegionLayerDrawExtra(); 65 virtual ~RegionLayerDrawExtra(); 66 67 void addHighlightRegion(const LayerAndroid* layer, const Vector<IntRect>& rects, 68 const IntPoint& additionalOffset = IntPoint(), 69 const IntRect& clipRect = IntRect()); 70 virtual void draw(SkCanvas*, LayerAndroid*); 71 virtual void drawGL(GLExtras*, const LayerAndroid*); 72 73 private: 74 SkRegion* getHighlightRegionsForLayer(const LayerAndroid* layer); 75 76 typedef HashMap<int, SkRegion* > HighlightRegionMap; 77 HighlightRegionMap m_highlightRegions; 78 Color m_highlightColor; 79 }; 80 81 } 82 83 #endif 84