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 
28 namespace WebCore {
29 
30 class Element;
31 class SVGElement;
32 
33 class CSSCursorImageValue : public CSSImageValue {
34 public:
create(const String & url,const IntPoint & hotSpot)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 
hotSpot()42     IntPoint hotSpot() const { return m_hotSpot; }
43 
44     bool updateIfSVGCursorIsUsed(Element*);
45     virtual StyleCachedImage* cachedImage(CachedResourceLoader*);
46 
47 #if ENABLE(SVG)
48     void removeReferencedElement(SVGElement*);
49 #endif
50 
51 private:
52     CSSCursorImageValue(const String& url, const IntPoint& hotSpot);
isCursorImageValue()53     virtual bool isCursorImageValue() const { return true; }
54 
55     IntPoint m_hotSpot;
56 
57 #if ENABLE(SVG)
58     HashSet<SVGElement*> m_referencedElements;
59 #endif
60 };
61 
62 } // namespace WebCore
63 
64 #endif // CSSCursorImageValue_h
65