1 /* 2 * Copyright (C) 2009 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 CACFLayerTreeHost_h 27 #define CACFLayerTreeHost_h 28 29 #if USE(ACCELERATED_COMPOSITING) 30 31 #include "AbstractCACFLayerTreeHost.h" 32 #include "COMPtr.h" 33 #include "Timer.h" 34 35 #include <wtf/HashSet.h> 36 #include <wtf/PassRefPtr.h> 37 #include <wtf/RefCounted.h> 38 #include <wtf/RefPtr.h> 39 #include <wtf/RetainPtr.h> 40 #include <wtf/Vector.h> 41 42 #include <CoreGraphics/CGGeometry.h> 43 44 interface IDirect3DDevice9; 45 struct WKCACFContext; 46 47 typedef struct CGImage* CGImageRef; 48 49 namespace WebCore { 50 51 class CACFLayerTreeHostClient; 52 class PlatformCALayer; 53 54 class CACFLayerTreeHost : public RefCounted<CACFLayerTreeHost>, private AbstractCACFLayerTreeHost { 55 public: 56 static PassRefPtr<CACFLayerTreeHost> create(); 57 virtual ~CACFLayerTreeHost(); 58 59 static bool acceleratedCompositingAvailable(); 60 setClient(CACFLayerTreeHostClient * client)61 void setClient(CACFLayerTreeHostClient* client) { m_client = client; } 62 63 void setRootChildLayer(PlatformCALayer*); 64 void setWindow(HWND); 65 virtual void paint(); 66 virtual void resize() = 0; 67 void flushPendingGraphicsLayerChangesSoon(); 68 69 // AbstractCACFLayerTreeHost 70 virtual void flushPendingLayerChangesNow(); 71 72 protected: 73 CACFLayerTreeHost(); 74 75 CGRect bounds() const; window()76 HWND window() const { return m_window; } 77 void notifyAnimationsStarted(); 78 79 // AbstractCACFLayerTreeHost 80 virtual PlatformCALayer* rootLayer() const; 81 82 virtual bool createRenderer() = 0; 83 virtual void destroyRenderer(); 84 virtual void contextDidChange(); 85 86 private: 87 void initialize(); 88 89 // AbstractCACFLayerTreeHost 90 virtual void addPendingAnimatedLayer(PassRefPtr<PlatformCALayer>); 91 virtual void layerTreeDidChange(); 92 93 94 virtual void flushContext() = 0; 95 virtual CFTimeInterval lastCommitTime() const = 0; 96 virtual void render(const Vector<CGRect>& dirtyRects = Vector<CGRect>()) = 0; 97 virtual void initializeContext(void* userData, PlatformCALayer*) = 0; 98 99 CACFLayerTreeHostClient* m_client; 100 RefPtr<PlatformCALayer> m_rootLayer; 101 RefPtr<PlatformCALayer> m_rootChildLayer; 102 HashSet<RefPtr<PlatformCALayer> > m_pendingAnimatedLayers; 103 HWND m_window; 104 bool m_shouldFlushPendingGraphicsLayerChanges; 105 bool m_isFlushingLayerChanges; 106 107 #if !ASSERT_DISABLED 108 enum { WindowNotSet, WindowSet, WindowCleared } m_state; 109 #endif 110 }; 111 112 } 113 114 #endif // USE(ACCELERATED_COMPOSITING) 115 116 #endif // CACFLayerTreeHost_h 117