1 /* 2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005 Rob Buis <buis (at) 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 SVGExternalResourcesRequired_h 22 #define SVGExternalResourcesRequired_h 23 24 #include "core/dom/QualifiedName.h" 25 #include "wtf/HashSet.h" 26 27 namespace WebCore { 28 29 class Attribute; 30 class SVGElement; 31 32 // Notes on a SVG 1.1 spec discrepancy: 33 // The SVG DOM defines the attribute externalResourcesRequired as being of type SVGAnimatedBoolean, whereas the 34 // SVG language definition says that externalResourcesRequired is not animated. Because the SVG language definition 35 // states that externalResourcesRequired cannot be animated, the animVal will always be the same as the baseVal. 36 // FIXME: When implementing animVal support, make sure that animVal==baseVal for externalResourcesRequired 37 class SVGExternalResourcesRequired { 38 public: 39 virtual ~SVGExternalResourcesRequired() { } 40 41 bool parseAttribute(const QualifiedName&, const AtomicString&); 42 bool isKnownAttribute(const QualifiedName&); 43 void addSupportedAttributes(HashSet<QualifiedName>&); 44 bool handleAttributeChange(SVGElement*, const QualifiedName&); 45 46 protected: 47 // These types look a bit awkward, but have to match the generic types of the SVGAnimatedProperty macros. 48 virtual void setExternalResourcesRequiredBaseValue(const bool&, const bool validValue = true) = 0; 49 virtual bool& externalResourcesRequiredBaseValue() const = 0; 50 51 virtual void setHaveFiredLoadEvent(bool) { } 52 virtual bool isParserInserted() const { return false; } 53 virtual bool haveFiredLoadEvent() const { return false; } 54 55 void dispatchLoadEvent(SVGElement*); 56 void insertedIntoDocument(SVGElement*); 57 void finishParsingChildren(); 58 bool haveLoadedRequiredResources() const; 59 }; 60 61 } // namespace WebCore 62 63 #endif 64
