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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 RenderSVGResourceContainer_h
#define RenderSVGResourceContainer_h
#if ENABLE(SVG)
#include "RenderSVGHiddenContainer.h"
#include "RenderSVGResource.h"
namespace WebCore {
class RenderSVGResourceContainer : public RenderSVGHiddenContainer,
public RenderSVGResource {
public:
RenderSVGResourceContainer(SVGStyledElement*);
virtual ~RenderSVGResourceContainer();
virtual void layout();
virtual void destroy();
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
virtual bool isSVGResourceContainer() const { return true; }
virtual bool drawsContents() { return false; }
virtual RenderSVGResourceContainer* toRenderSVGResourceContainer() { return this; }
static AffineTransform transformOnNonScalingStroke(RenderObject*, const AffineTransform& resourceTransform);
void idChanged();
protected:
enum InvalidationMode {
LayoutAndBoundariesInvalidation,
BoundariesInvalidation,
RepaintInvalidation
};
// Used from the invalidateClient/invalidateClients methods from classes, inheriting from us.
void markAllClientsForInvalidation(InvalidationMode);
void markClientForInvalidation(RenderObject*, InvalidationMode);
private:
friend class SVGResourcesCache;
void addClient(RenderObject*);
void removeClient(RenderObject*);
private:
void registerResource();
AtomicString m_id;
bool m_registered;
HashSet<RenderObject*> m_clients;
};
inline RenderSVGResourceContainer* getRenderSVGResourceContainerById(Document* document, const AtomicString& id)
{
if (id.isEmpty())
return 0;
if (RenderSVGResourceContainer* renderResource = document->accessSVGExtensions()->resourceById(id))
return renderResource;
return 0;
}
template<typename Renderer>
Renderer* getRenderSVGResourceById(Document* document, const AtomicString& id)
{
if (RenderSVGResourceContainer* container = getRenderSVGResourceContainerById(document, id))
return container->cast<Renderer>();
return 0;
}
}
#endif
#endif
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