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/*
Copyright (C) Research In Motion Limited 2010. All rights 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
aint 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 SVGResources_h
#define SVGResources_h
#if ENABLE(SVG)
#include <wtf/HashSet.h>
#include <wtf/Noncopyable.h>
namespace WebCore {
class Document;
class RenderObject;
class RenderSVGResourceClipper;
class RenderSVGResourceContainer;
class RenderSVGResourceFilter;
class RenderSVGResourceMarker;
class RenderSVGResourceMasker;
class SVGRenderStyle;
// Holds a set of resources associated with a RenderObject
class SVGResources {
public:
SVGResources();
bool buildCachedResources(const RenderObject*, const SVGRenderStyle*);
// Ordinary resources
RenderSVGResourceClipper* clipper() const { return m_clipper; }
#if ENABLE(FILTERS)
RenderSVGResourceFilter* filter() const { return m_filter; }
#endif
RenderSVGResourceMarker* markerStart() const { return m_markerStart; }
RenderSVGResourceMarker* markerMid() const { return m_markerMid; }
RenderSVGResourceMarker* markerEnd() const { return m_markerEnd; }
RenderSVGResourceMasker* masker() const { return m_masker; }
// Paint servers
RenderSVGResourceContainer* fill() const { return m_fill; }
RenderSVGResourceContainer* stroke() const { return m_stroke; }
void buildSetOfResources(HashSet<RenderSVGResourceContainer*>&);
// Methods operating on all cached resources
void invalidateClient(RenderObject*) const;
void resourceDestroyed(RenderSVGResourceContainer*);
#ifndef NDEBUG
void dump(const RenderObject*);
#endif
private:
friend class SVGResourcesCycleSolver;
// Only used by SVGResourcesCache cycle detection logic
void resetClipper();
#if ENABLE(FILTERS)
void resetFilter();
#endif
void resetMarkerStart();
void resetMarkerMid();
void resetMarkerEnd();
void resetMasker();
void resetFill();
void resetStroke();
private:
// Ordinary resources
RenderSVGResourceClipper* m_clipper;
#if ENABLE(FILTERS)
RenderSVGResourceFilter* m_filter;
#endif
RenderSVGResourceMarker* m_markerStart;
RenderSVGResourceMarker* m_markerMid;
RenderSVGResourceMarker* m_markerEnd;
RenderSVGResourceMasker* m_masker;
// Paint servers
RenderSVGResourceContainer* m_fill;
RenderSVGResourceContainer* m_stroke;
};
}
#endif
#endif
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