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. ``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 PlatformCALayerWinInternal_h
27#define PlatformCALayerWinInternal_h
28
29#if USE(ACCELERATED_COMPOSITING)
30
31#include <CoreGraphics/CGGeometry.h>
32#include <wtf/RetainPtr.h>
33#include <wtf/Vector.h>
34
35typedef struct _CACFLayer *CACFLayerRef;
36typedef struct CGContext *CGContextRef;
37
38namespace WebCore {
39
40class FloatRect;
41class PlatformCALayer;
42
43typedef Vector<RefPtr<PlatformCALayer> > PlatformCALayerList;
44
45class PlatformCALayerWinInternal {
46public:
47    PlatformCALayerWinInternal(PlatformCALayer*);
48    ~PlatformCALayerWinInternal();
49
50    void displayCallback(CACFLayerRef, CGContextRef);
51    void setNeedsDisplay(const FloatRect*);
52    PlatformCALayer* owner() const { return m_owner; }
53
54    void setSublayers(const PlatformCALayerList&);
55    void getSublayers(PlatformCALayerList&) const;
56    void removeAllSublayers();
57    void insertSublayer(PlatformCALayer*, size_t);
58    size_t sublayerCount() const;
59    int indexOfSublayer(const PlatformCALayer* reference);
60
61    void setBounds(const FloatRect&);
62    void setFrame(const FloatRect&);
63
64private:
65    void internalSetNeedsDisplay(const FloatRect*);
66    PlatformCALayer* sublayerAtIndex(int) const;
67
68    static void tileDisplayCallback(CACFLayerRef, CGContextRef);
69
70    void drawTile(CACFLayerRef, CGContextRef);
71    CGSize constrainedSize(const CGSize&) const;
72    void addTile();
73    void removeTile();
74    CACFLayerRef tileAtIndex(int);
75    int tileCount() const;
76    void updateTiles();
77
78    PlatformCALayer* m_owner;
79
80    CGSize m_tileSize;
81    CGSize m_constrainedSize;
82    RetainPtr<CACFLayerRef> m_tileParent;
83};
84
85}
86
87#endif // USE(ACCELERATED_COMPOSITING)
88
89#endif // PlatformCALayerWinInternal_h
90