1/*
2 * Copyright (C) 2010 Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31
32#ifndef Canvas2DLayerChromium_h
33#define Canvas2DLayerChromium_h
34
35#if USE(ACCELERATED_COMPOSITING)
36
37#include "CanvasLayerChromium.h"
38
39namespace WebCore {
40
41class DrawingBuffer;
42
43// A layer containing an accelerated 2d canvas
44class Canvas2DLayerChromium : public CanvasLayerChromium {
45public:
46    static PassRefPtr<Canvas2DLayerChromium> create(DrawingBuffer*, GraphicsLayerChromium* owner);
47    virtual ~Canvas2DLayerChromium();
48    virtual bool drawsContent() const { return true; }
49    virtual void updateCompositorResources();
50
51    void setTextureChanged();
52    unsigned textureId() const;
53    void setDrawingBuffer(DrawingBuffer*);
54
55    virtual void setLayerRenderer(LayerRendererChromium*);
56
57private:
58    explicit Canvas2DLayerChromium(DrawingBuffer*, GraphicsLayerChromium* owner);
59    DrawingBuffer* m_drawingBuffer;
60};
61
62}
63#endif // USE(ACCELERATED_COMPOSITING)
64
65#endif
66