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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 SVGResourcesCache_h
#define SVGResourcesCache_h
#if ENABLE(SVG)
#include "RenderStyleConstants.h"
#include <wtf/HashMap.h>
namespace WebCore {
class RenderObject;
class RenderStyle;
class RenderSVGResourceContainer;
class SVGResources;
class SVGResourcesCache : public Noncopyable {
public:
SVGResourcesCache();
~SVGResourcesCache();
void addResourcesFromRenderObject(RenderObject*, const RenderStyle*);
void removeResourcesFromRenderObject(RenderObject*);
static SVGResources* cachedResourcesForRenderObject(RenderObject*);
// Called from all SVG renderers destroy() methods - except for RenderSVGResourceContainer.
static void clientDestroyed(RenderObject*);
// Called from all SVG renderers layout() methods.
static void clientLayoutChanged(RenderObject*);
// Called from all SVG renderers styleDidChange() methods.
static void clientStyleChanged(RenderObject*, StyleDifference, const RenderStyle* newStyle);
// Called from all SVG renderers updateFromElement() methods.
static void clientUpdatedFromElement(RenderObject*, const RenderStyle* newStyle);
// Called from RenderSVGResourceContainer::destroy().
static void resourceDestroyed(RenderSVGResourceContainer*);
private:
HashMap<RenderObject*, SVGResources*> m_cache;
};
}
#endif
#endif
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