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/*
* Copyright (C) 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SVGResource_h
#define SVGResource_h
#if ENABLE(SVG)
#include "PlatformString.h"
#include "RenderObject.h"
#include "StringHash.h"
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class AtomicString;
class Document;
class SVGStyledElement;
class TextStream;
enum SVGResourceType {
// Painting mode
ImageResourceType,
PaintServerResourceType,
// For resource tracking we need to know how many types of resource there are
_ResourceTypeCount
};
// The SVGResource file represent various graphics resources:
// - Pattern resource
// - Linear/Radial gradient resource
//
// SVG creates/uses these resources.
class SVGResource : public RefCounted<SVGResource> {
public:
virtual ~SVGResource();
virtual void invalidate();
void addClient(SVGStyledElement*);
virtual SVGResourceType resourceType() const = 0;
bool isPaintServer() const { return resourceType() == PaintServerResourceType; }
virtual TextStream& externalRepresentation(TextStream&) const;
static void invalidateClients(HashSet<SVGStyledElement*>);
static void removeClient(SVGStyledElement*);
protected:
SVGResource();
private:
HashSet<SVGStyledElement*> m_clients;
};
SVGResource* getResourceById(Document*, const AtomicString&, const RenderObject*);
TextStream& operator<<(TextStream&, const SVGResource&);
}
#endif
#endif
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