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:

    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 

    51 private:

    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