2 * Copyright (C) 2011 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
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23 * THE POSSIBILITY OF SUCH DAMAGE.
26 #ifndef LayerTreeHostCAWin_h
27 #define LayerTreeHostCAWin_h
29 #include "HeaderDetection.h"
33 #include "LayerTreeHostCA.h"
34 #include <WebCore/AbstractCACFLayerTreeHost.h>
35 #include <wtf/HashSet.h>
36 #include <wtf/RetainPtr.h>
38 typedef struct _WKCACFView* WKCACFViewRef;
42 class LayerTreeHostCAWin : public LayerTreeHostCA, private WebCore::AbstractCACFLayerTreeHost {
44 static bool supportsAcceleratedCompositing();
46 static PassRefPtr<LayerTreeHostCAWin> create(WebPage*);
47 virtual ~LayerTreeHostCAWin();
50 explicit LayerTreeHostCAWin(WebPage*);
52 static void contextDidChangeCallback(WKCACFViewRef, void* info);
53 void contextDidChange();
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&);
66 virtual void platformInitialize(LayerTreeContext&);
68 // AbstractCACFLayerTreeHost
69 virtual WebCore::PlatformCALayer* rootLayer() const;
70 virtual void addPendingAnimatedLayer(PassRefPtr<WebCore::PlatformCALayer>);
71 virtual void layerTreeDidChange();
72 virtual void flushPendingLayerChangesNow();
74 RetainPtr<WKCACFViewRef> m_view;
75 HashSet<RefPtr<WebCore::PlatformCALayer> > m_pendingAnimatedLayers;
76 bool m_isFlushingLayerChanges;
77 double m_nextDisplayTime;
84 #endif // LayerTreeHostCAWin_h