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