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. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef LayerTreeHostCAWin_h 27 #define LayerTreeHostCAWin_h 28 29 #include "HeaderDetection.h" 30 31 #if HAVE(WKQCA) 32 33 #include "LayerTreeHostCA.h" 34 #include <WebCore/AbstractCACFLayerTreeHost.h> 35 #include <wtf/HashSet.h> 36 #include <wtf/RetainPtr.h> 37 38 typedef struct _WKCACFView* WKCACFViewRef; 39 40 namespace WebKit { 41 42 class LayerTreeHostCAWin : public LayerTreeHostCA, private WebCore::AbstractCACFLayerTreeHost { 43 public: 44 static bool supportsAcceleratedCompositing(); 45 46 static PassRefPtr<LayerTreeHostCAWin> create(WebPage*); 47 virtual ~LayerTreeHostCAWin(); 48 49 private: 50 explicit LayerTreeHostCAWin(WebPage*); 51 52 static void contextDidChangeCallback(WKCACFViewRef, void* info); 53 void contextDidChange(); 54 55 // LayerTreeHost 56 virtual void invalidate(); 57 virtual void forceRepaint(); 58 virtual void sizeDidChange(const WebCore::IntSize& newSize); 59 virtual void scheduleLayerFlush(); 60 virtual bool participatesInDisplay(); 61 virtual bool needsDisplay(); 62 virtual double timeUntilNextDisplay(); 63 virtual void display(UpdateInfo&); 64 65 // LayerTreeHostCA 66 virtual void platformInitialize(LayerTreeContext&); 67 68 // AbstractCACFLayerTreeHost 69 virtual WebCore::PlatformCALayer* rootLayer() const; 70 virtual void addPendingAnimatedLayer(PassRefPtr<WebCore::PlatformCALayer>); 71 virtual void layerTreeDidChange(); 72 virtual void flushPendingLayerChangesNow(); 73 74 RetainPtr<WKCACFViewRef> m_view; 75 HashSet<RefPtr<WebCore::PlatformCALayer> > m_pendingAnimatedLayers; 76 bool m_isFlushingLayerChanges; 77 double m_nextDisplayTime; 78 }; 79 80 } // namespace WebKit 81 82 #endif // HAVE(WKQCA) 83 84 #endif // LayerTreeHostCAWin_h 85