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 SVGStaticPropertyTearOff_h 21#define SVGStaticPropertyTearOff_h 22 23#include "SVGPropertyTearOff.h" 24 25namespace WebCore { 26 27#if COMPILER(MSVC) 28// UpdateMethod is 12 bytes. We have to pack to a size greater than or equal to that to avoid an 29// alignment warning (C4121). 16 is the next-largest size allowed for packing, so we use that. 30#pragma pack(push, 16) 31#endif 32template<typename ContextElement, typename PropertyType> 33class SVGStaticPropertyTearOff : public SVGPropertyTearOff<PropertyType> { 34public: 35 typedef SVGStaticPropertyTearOff<ContextElement, PropertyType> Self; 36 typedef void (ContextElement::*UpdateMethod)(); 37 38 // Used for non-animated POD types that are not associated with a SVGAnimatedProperty object, nor with a XML DOM attribute 39 // (for example: SVGSVGElement::currentTranslate). 40 static PassRefPtr<Self> create(ContextElement& contextElement, PropertyType& value, UpdateMethod update) 41 { 42 return adoptRef(new Self(&contextElement, value, update)); 43 } 44 45 virtual void commitChange() { (m_contextElement.get()->*m_update)(); } 46 47private: 48 SVGStaticPropertyTearOff(ContextElement* contextElement, PropertyType& value, UpdateMethod update) 49 : SVGPropertyTearOff<PropertyType>(0, UndefinedRole, value) 50 , m_update(update) 51 , m_contextElement(contextElement) 52 { 53 } 54 55 UpdateMethod m_update; 56 RefPtr<ContextElement> m_contextElement; 57}; 58#if COMPILER(MSVC) 59#pragma pack(pop) 60#endif 61 62} 63 64#endif // SVGStaticPropertyTearOff_h 65