1 /* 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef SVGAnimatedPropertySynchronizer_h 21 #define SVGAnimatedPropertySynchronizer_h 22 23 #if ENABLE(SVG) 24 #include "SVGElement.h" 25 26 namespace WebCore { 27 28 // Helper template used for synchronizing SVG <-> XML properties 29 template<bool isDerivedFromSVGElement> 30 struct SVGAnimatedPropertySynchronizer { 31 static void synchronize(SVGElement*, const QualifiedName&, const AtomicString&); 32 }; 33 34 template<> 35 struct SVGAnimatedPropertySynchronizer<true> { 36 static void synchronize(SVGElement* ownerElement, const QualifiedName& attrName, const AtomicString& value) 37 { 38 NamedNodeMap* namedAttrMap = ownerElement->attributes(false); 39 Attribute* old = namedAttrMap->getAttributeItem(attrName); 40 if (old && value.isNull()) 41 namedAttrMap->removeAttribute(old->name()); 42 else if (!old && !value.isNull()) 43 namedAttrMap->addAttribute(ownerElement->createAttribute(attrName, value)); 44 else if (old && !value.isNull()) 45 old->setValue(value); 46 } 47 }; 48 49 template<> 50 struct SVGAnimatedPropertySynchronizer<false> { 51 static void synchronize(SVGElement*, const QualifiedName&, const AtomicString&) 52 { 53 // no-op, for types not inheriting from Element, thus nothing to synchronize 54 } 55 }; 56 57 }; 58 59 #endif 60 #endif 61
