1 /* 2 * Copyright (C) 2011 Apple 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. 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 APPLE INC. ``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 APPLE COMPUTER, INC. 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 PlatformCALayerWinInternal_h 27 #define PlatformCALayerWinInternal_h 28 29 #if USE(ACCELERATED_COMPOSITING) 30 31 #include <CoreGraphics/CGGeometry.h> 32 #include <wtf/RetainPtr.h> 33 #include <wtf/Vector.h> 34 35 typedef struct _CACFLayer *CACFLayerRef; 36 typedef struct CGContext *CGContextRef; 37 38 namespace WebCore { 39 40 class FloatRect; 41 class PlatformCALayer; 42 43 typedef Vector<RefPtr<PlatformCALayer> > PlatformCALayerList; 44 45 class PlatformCALayerWinInternal { 46 public: 47 PlatformCALayerWinInternal(PlatformCALayer*); 48 ~PlatformCALayerWinInternal(); 49 50 void displayCallback(CACFLayerRef, CGContextRef); 51 void setNeedsDisplay(const FloatRect*); 52 PlatformCALayer* owner() const { return m_owner; } 53 54 void setSublayers(const PlatformCALayerList&); 55 void getSublayers(PlatformCALayerList&) const; 56 void removeAllSublayers(); 57 void insertSublayer(PlatformCALayer*, size_t); 58 size_t sublayerCount() const; 59 int indexOfSublayer(const PlatformCALayer* reference); 60 61 void setBounds(const FloatRect&); 62 void setFrame(const FloatRect&); 63 64 private: 65 void internalSetNeedsDisplay(const FloatRect*); 66 PlatformCALayer* sublayerAtIndex(int) const; 67 68 static void tileDisplayCallback(CACFLayerRef, CGContextRef); 69 70 void drawTile(CACFLayerRef, CGContextRef); 71 CGSize constrainedSize(const CGSize&) const; 72 void addTile(); 73 void removeTile(); 74 CACFLayerRef tileAtIndex(int); 75 int tileCount() const; 76 void updateTiles(); 77 78 PlatformCALayer* m_owner; 79 80 CGSize m_tileSize; 81 CGSize m_constrainedSize; 82 RetainPtr<CACFLayerRef> m_tileParent; 83 }; 84 85 } 86 87 #endif // USE(ACCELERATED_COMPOSITING) 88 89 #endif // PlatformCALayerWinInternal_h 90