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
38typedef struct _WKCACFView* WKCACFViewRef;
39
40namespace WebKit {
41
42class LayerTreeHostCAWin : public LayerTreeHostCA, private WebCore::AbstractCACFLayerTreeHost {
43public:
44    static bool supportsAcceleratedCompositing();
45
46    static PassRefPtr<LayerTreeHostCAWin> create(WebPage*);
47    virtual ~LayerTreeHostCAWin();
48
49private:
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