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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
* 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 SVGResourcesCache_h
#define SVGResourcesCache_h
#include "core/rendering/style/RenderStyleConstants.h"
#include "wtf/HashMap.h"
#include "wtf/Noncopyable.h"
#include "wtf/OwnPtr.h"
namespace WebCore {
class RenderObject;
class RenderStyle;
class RenderSVGResourceContainer;
class SVGResources;
class SVGResourcesCache {
WTF_MAKE_NONCOPYABLE(SVGResourcesCache); WTF_MAKE_FAST_ALLOCATED;
public:
SVGResourcesCache();
~SVGResourcesCache();
static SVGResources* cachedResourcesForRenderObject(const RenderObject*);
// Called from all SVG renderers addChild() methods.
static void clientWasAddedToTree(RenderObject*, const RenderStyle* newStyle);
// Called from all SVG renderers removeChild() methods.
static void clientWillBeRemovedFromTree(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 RenderSVGResourceContainer::willBeDestroyed().
static void resourceDestroyed(RenderSVGResourceContainer*);
private:
void addResourcesFromRenderObject(RenderObject*, const RenderStyle*);
void removeResourcesFromRenderObject(RenderObject*);
typedef HashMap<const RenderObject*, OwnPtr<SVGResources> > CacheMap;
CacheMap m_cache;
};
}
#endif
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