1/*
2 * Copyright (C) 2011 Research In Motion Limited. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#ifndef SVGImageCache_h
21#define SVGImageCache_h
22
23#if ENABLE(SVG)
24#include "FloatSize.h"
25#include "Image.h"
26#include "IntSize.h"
27#include <wtf/HashMap.h>
28#include <wtf/PassOwnPtr.h>
29#include <wtf/RefPtr.h>
30
31namespace WebCore {
32
33class CachedImage;
34class CachedImageClient;
35class ImageBuffer;
36class SVGImage;
37class SVGImageForContainer;
38class RenderObject;
39
40class SVGImageCache {
41    WTF_MAKE_FAST_ALLOCATED;
42public:
43    ~SVGImageCache();
44
45    static PassOwnPtr<SVGImageCache> create(SVGImage* image)
46    {
47        return adoptPtr(new SVGImageCache(image));
48    }
49
50    void removeClientFromCache(const CachedImageClient*);
51
52    void setContainerSizeForRenderer(const CachedImageClient*, const IntSize&, float);
53    IntSize imageSizeForRenderer(const RenderObject*) const;
54
55    Image* imageForRenderer(const RenderObject*);
56
57private:
58    SVGImageCache(SVGImage*);
59
60    typedef HashMap<const CachedImageClient*, RefPtr<SVGImageForContainer> > ImageForContainerMap;
61
62    SVGImage* m_svgImage;
63    ImageForContainerMap m_imageForContainerMap;
64};
65
66} // namespace WebCore
67
68#endif // ENABLE(SVG)
69#endif // SVGImageCache_h
70