1/*
2 * Copyright (C) 2009, 2010, 2011, 2012 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
44interface IDirect3DDevice9;
45struct WKCACFContext;
46
47typedef struct CGImage* CGImageRef;
48
49#if USE(AVFOUNDATION)
50struct GraphicsDeviceAdapter;
51#endif
52
53namespace WebCore {
54
55class CACFLayerTreeHostClient;
56class PlatformCALayer;
57
58class CACFLayerTreeHost : public RefCounted<CACFLayerTreeHost>, private AbstractCACFLayerTreeHost {
59public:
60    static PassRefPtr<CACFLayerTreeHost> create();
61    virtual ~CACFLayerTreeHost();
62
63    static bool acceleratedCompositingAvailable();
64
65    void setClient(CACFLayerTreeHostClient* client) { m_client = client; }
66
67    void setRootChildLayer(PlatformCALayer*);
68    void setWindow(HWND);
69    virtual void paint();
70    virtual void resize() = 0;
71    void flushPendingGraphicsLayerChangesSoon();
72    virtual void setShouldInvertColors(bool);
73#if USE(AVFOUNDATION)
74    virtual GraphicsDeviceAdapter* graphicsDeviceAdapter() const { return 0; }
75#endif
76
77    virtual bool createRenderer() = 0;
78
79    // AbstractCACFLayerTreeHost
80    virtual void flushPendingLayerChangesNow();
81
82protected:
83    CACFLayerTreeHost();
84
85    CGRect bounds() const;
86    HWND window() const { return m_window; }
87    void notifyAnimationsStarted();
88
89    // AbstractCACFLayerTreeHost
90    virtual PlatformCALayer* rootLayer() const;
91
92    virtual void destroyRenderer();
93    virtual void contextDidChange();
94
95private:
96    void initialize();
97
98    // AbstractCACFLayerTreeHost
99    virtual void addPendingAnimatedLayer(PassRefPtr<PlatformCALayer>);
100    virtual void layerTreeDidChange();
101
102
103    virtual void flushContext() = 0;
104    virtual CFTimeInterval lastCommitTime() const = 0;
105    virtual void render(const Vector<CGRect>& dirtyRects = Vector<CGRect>()) = 0;
106    virtual void initializeContext(void* userData, PlatformCALayer*) = 0;
107
108    CACFLayerTreeHostClient* m_client;
109    RefPtr<PlatformCALayer> m_rootLayer;
110    RefPtr<PlatformCALayer> m_rootChildLayer;
111    HashSet<RefPtr<PlatformCALayer> > m_pendingAnimatedLayers;
112    HWND m_window;
113    bool m_shouldFlushPendingGraphicsLayerChanges;
114    bool m_isFlushingLayerChanges;
115
116#if !ASSERT_DISABLED
117    enum { WindowNotSet, WindowSet, WindowCleared } m_state;
118#endif
119};
120
121}
122
123#endif // USE(ACCELERATED_COMPOSITING)
124
125#endif // CACFLayerTreeHost_h
126