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/platform/external/webkit/WebCore/css/CSSImageValue.h

https://github.com/aharish/totoro-gb-opensource-update2
C Header | 59 lines | 27 code | 13 blank | 19 comment | 0 complexity | a60b3004363c6ebca5485046c6f87c4b MD5 | raw file
 1/*
 2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
 3 * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
 4 *
 5 * This library is free software; you can redistribute it and/or
 6 * modify it under the terms of the GNU Library General Public
 7 * License as published by the Free Software Foundation; either
 8 * version 2 of the License, or (at your option) any later version.
 9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#ifndef CSSImageValue_h
22#define CSSImageValue_h
23
24#include "CSSPrimitiveValue.h"
25#include "CachedResourceClient.h"
26#include <wtf/RefPtr.h>
27
28namespace WebCore {
29
30class DocLoader;
31class StyleCachedImage;
32
33class CSSImageValue : public CSSPrimitiveValue, private CachedResourceClient {
34public:
35    static PassRefPtr<CSSImageValue> create() { return adoptRef(new CSSImageValue); }
36    static PassRefPtr<CSSImageValue> create(const String& url) { return adoptRef(new CSSImageValue(url)); }
37    virtual ~CSSImageValue();
38
39    virtual StyleCachedImage* cachedImage(DocLoader*);
40    
41    virtual bool isImageValue() const { return true; }
42
43protected:
44    CSSImageValue(const String& url);
45
46    StyleCachedImage* cachedImage(DocLoader*, const String& url);
47    String cachedImageURL();
48    void clearCachedImage();
49
50private:
51    CSSImageValue();
52
53    RefPtr<StyleCachedImage> m_image;
54    bool m_accessedImage;
55};
56
57} // namespace WebCore
58
59#endif // CSSImageValue_h