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/*
* Copyright (C) 2006 Rob Buis <buis@kde.org>
* Copyright (C) 2008 Apple Inc. All right reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef CSSCursorImageValue_h
#define CSSCursorImageValue_h
#include "core/css/CSSImageValue.h"
#include "platform/geometry/IntPoint.h"
#include "wtf/HashSet.h"
namespace WebCore {
class Element;
class SVGElement;
class CSSCursorImageValue : public CSSValue {
public:
static PassRefPtr<CSSCursorImageValue> create(PassRefPtr<CSSValue> imageValue, bool hasHotSpot, const IntPoint& hotSpot)
{
return adoptRef(new CSSCursorImageValue(imageValue, hasHotSpot, hotSpot));
}
~CSSCursorImageValue();
bool hasHotSpot() const { return m_hasHotSpot; }
IntPoint hotSpot() const
{
if (m_hasHotSpot)
return m_hotSpot;
return IntPoint(-1, -1);
}
String customCSSText() const;
bool updateIfSVGCursorIsUsed(Element*);
StyleImage* cachedImage(ResourceFetcher*, float deviceScaleFactor);
StyleImage* cachedOrPendingImage(float deviceScaleFactor);
void removeReferencedElement(SVGElement*);
bool equals(const CSSCursorImageValue&) const;
private:
CSSCursorImageValue(PassRefPtr<CSSValue> imageValue, bool hasHotSpot, const IntPoint& hotSpot);
bool isSVGCursor() const;
String cachedImageURL();
void clearImageResource();
RefPtr<CSSValue> m_imageValue;
bool m_hasHotSpot;
IntPoint m_hotSpot;
RefPtr<StyleImage> m_image;
bool m_accessedImage;
HashSet<SVGElement*> m_referencedElements;
};
DEFINE_CSS_VALUE_TYPE_CASTS(CSSCursorImageValue, isCursorImageValue());
} // namespace WebCore
#endif // CSSCursorImageValue_h
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