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/*
* Copyright (C) 2006 Apple Inc. All rights reserved.
* Copyright (C) 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
*
* 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 SVGDocumentExtensions_h
#define SVGDocumentExtensions_h
#if ENABLE(SVG)
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/text/AtomicStringHash.h>
#include <wtf/text/StringImpl.h>
namespace WebCore {
class Document;
class RenderSVGResourceContainer;
class SVGElement;
class SVGResourcesCache;
class SVGSMILElement;
class SVGSVGElement;
class SVGStyledElement;
class SVGDocumentExtensions {
WTF_MAKE_NONCOPYABLE(SVGDocumentExtensions); WTF_MAKE_FAST_ALLOCATED;
public:
typedef HashSet<SVGStyledElement*> SVGPendingElements;
SVGDocumentExtensions(Document*);
~SVGDocumentExtensions();
void addTimeContainer(SVGSVGElement*);
void removeTimeContainer(SVGSVGElement*);
void addResource(const AtomicString& id, RenderSVGResourceContainer*);
void removeResource(const AtomicString& id);
RenderSVGResourceContainer* resourceById(const AtomicString& id) const;
void startAnimations();
void pauseAnimations();
void unpauseAnimations();
void dispatchSVGLoadEventToOutermostSVGElements();
void addAnimationElementToTarget(SVGSMILElement*, SVGElement*);
void removeAnimationElementFromTarget(SVGSMILElement*, SVGElement*);
void removeAllAnimationElementsFromTarget(SVGElement*);
void reportWarning(const String&);
void reportError(const String&);
SVGResourcesCache* resourcesCache() const { return m_resourcesCache.get(); }
HashSet<SVGElement*>* setOfElementsReferencingTarget(SVGElement* referencedElement) const;
void addElementReferencingTarget(SVGElement* referencingElement, SVGElement* referencedElement);
void removeAllTargetReferencesForElement(SVGElement* referencingElement);
void removeAllElementReferencesForTarget(SVGElement* referencedElement);
private:
Document* m_document; // weak reference
HashSet<SVGSVGElement*> m_timeContainers; // For SVG 1.2 support this will need to be made more general.
HashMap<SVGElement*, HashSet<SVGSMILElement*>* > m_animatedElements;
HashMap<AtomicString, RenderSVGResourceContainer*> m_resources;
HashMap<AtomicString, SVGPendingElements*> m_pendingResources;
HashMap<SVGElement*, OwnPtr<HashSet<SVGElement*> > > m_elementDependencies;
OwnPtr<SVGResourcesCache> m_resourcesCache;
public:
// This HashMap contains a list of pending resources. Pending resources, are such
// which are referenced by any object in the SVG document, but do NOT exist yet.
// For instance, dynamically build gradients / patterns / clippers...
void addPendingResource(const AtomicString& id, SVGStyledElement*);
bool hasPendingResource(const AtomicString& id) const;
bool isElementPendingResources(SVGStyledElement*) const;
bool isElementPendingResource(SVGStyledElement*, const AtomicString& id) const;
void removeElementFromPendingResources(SVGStyledElement*);
PassOwnPtr<SVGPendingElements> removePendingResource(const AtomicString& id);
void removePendingResourceForElement(const AtomicString& id, SVGStyledElement*);
};
}
#endif
#endif
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