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

 1/*
 2 * Copyright (C) 2006 Rob Buis <buis@kde.org>
 3 * Copyright (C) 2008 Apple Inc. All right 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 CSSCursorImageValue_h
22#define CSSCursorImageValue_h
23
24#include "CSSImageValue.h"
25#include "IntPoint.h"
26#include <wtf/HashSet.h>
27
28namespace WebCore {
29
30class Element;
31class SVGElement;
32
33class CSSCursorImageValue : public CSSImageValue {
34public:
35    static PassRefPtr<CSSCursorImageValue> create(const String& url, const IntPoint& hotspot)
36    {
37        return adoptRef(new CSSCursorImageValue(url, hotspot));
38    }
39
40    virtual ~CSSCursorImageValue();
41
42    IntPoint hotspot() const { return m_hotspot; }
43
44    bool updateIfSVGCursorIsUsed(Element*);
45    virtual StyleCachedImage* cachedImage(DocLoader*);
46
47#if ENABLE(SVG)
48    void removeReferencedElement(SVGElement*);
49#endif
50
51private:
52    CSSCursorImageValue(const String& url, const IntPoint& hotspot);
53
54    IntPoint m_hotspot;
55
56#if ENABLE(SVG)
57    HashSet<SVGElement*> m_referencedElements;
58#endif
59};
60
61} // namespace WebCore
62
63#endif // CSSCursorImageValue_h