1 /* 2 * Copyright (C) 2006 Apple Inc. All rights reserved. 3 * Copyright (C) 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef SVGDocumentExtensions_h 22 #define SVGDocumentExtensions_h 23 24 #if ENABLE(SVG) 25 #include "SVGResourcesCache.h" 26 #include <wtf/Forward.h> 27 #include <wtf/HashMap.h> 28 #include <wtf/HashSet.h> 29 #include <wtf/PassOwnPtr.h> 30 #include <wtf/text/AtomicStringHash.h> 31 #include <wtf/text/StringImpl.h> 32 33 namespace WebCore { 34 35 class Document; 36 class RenderSVGResourceContainer; 37 class SVGElement; 38 class SVGStyledElement; 39 class SVGSMILElement; 40 class SVGSVGElement; 41 42 class SVGDocumentExtensions { 43 WTF_MAKE_NONCOPYABLE(SVGDocumentExtensions); WTF_MAKE_FAST_ALLOCATED; 44 public: 45 typedef HashSet<RefPtr<SVGStyledElement> > SVGPendingElements; 46 SVGDocumentExtensions(Document*); 47 ~SVGDocumentExtensions(); 48 49 void addTimeContainer(SVGSVGElement*); 50 void removeTimeContainer(SVGSVGElement*); 51 52 void addResource(const AtomicString& id, RenderSVGResourceContainer*); 53 void removeResource(const AtomicString& id); 54 RenderSVGResourceContainer* resourceById(const AtomicString& id) const; 55 56 void startAnimations(); 57 void pauseAnimations(); 58 void unpauseAnimations(); 59 bool sampleAnimationAtTime(const String& elementId, SVGSMILElement*, double time); 60 61 void addAnimationElementToTarget(SVGSMILElement*, SVGElement*); 62 void removeAnimationElementFromTarget(SVGSMILElement*, SVGElement*); 63 void removeAllAnimationElementsFromTarget(SVGElement*); 64 65 void reportWarning(const String&); 66 void reportError(const String&); 67 resourcesCache()68 SVGResourcesCache* resourcesCache() const { return m_resourcesCache.get(); } 69 70 private: 71 Document* m_document; // weak reference 72 HashSet<SVGSVGElement*> m_timeContainers; // For SVG 1.2 support this will need to be made more general. 73 HashMap<SVGElement*, HashSet<SVGSMILElement*>* > m_animatedElements; 74 HashMap<AtomicString, RenderSVGResourceContainer*> m_resources; 75 HashMap<AtomicString, SVGPendingElements*> m_pendingResources; 76 OwnPtr<SVGResourcesCache> m_resourcesCache; 77 78 public: 79 // This HashMap contains a list of pending resources. Pending resources, are such 80 // which are referenced by any object in the SVG document, but do NOT exist yet. 81 // For instance, dynamically build gradients / patterns / clippers... 82 void addPendingResource(const AtomicString& id, PassRefPtr<SVGStyledElement>); 83 bool isPendingResource(const AtomicString& id) const; 84 PassOwnPtr<SVGPendingElements> removePendingResource(const AtomicString& id); 85 }; 86 87 } 88 89 #endif 90 #endif 91