1/* 2 * Copyright (C) Research In Motion Limited 2010-2012. 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 SVGAnimatedStaticPropertyTearOff_h 21#define SVGAnimatedStaticPropertyTearOff_h 22 23#include "ExceptionCode.h" 24#include "SVGAnimatedProperty.h" 25 26namespace WebCore { 27 28template<typename PropertyType> 29class SVGAnimatedStaticPropertyTearOff : public SVGAnimatedProperty { 30public: 31 typedef PropertyType ContentType; 32 33 PropertyType& baseVal() 34 { 35 return m_property; 36 } 37 38 PropertyType& animVal() 39 { 40 if (m_animatedProperty) 41 return *m_animatedProperty; 42 return m_property; 43 } 44 45 virtual void setBaseVal(const PropertyType& property, ExceptionCode&) 46 { 47 m_property = property; 48 commitChange(); 49 } 50 51 static PassRefPtr<SVGAnimatedStaticPropertyTearOff<PropertyType>> create(SVGElement* contextElement, const QualifiedName& attributeName, AnimatedPropertyType animatedPropertyType, PropertyType& property) 52 { 53 ASSERT(contextElement); 54 return adoptRef(new SVGAnimatedStaticPropertyTearOff<PropertyType>(contextElement, attributeName, animatedPropertyType, property)); 55 } 56 57 PropertyType& currentAnimatedValue() 58 { 59 ASSERT(m_isAnimating); 60 ASSERT(m_animatedProperty); 61 return *m_animatedProperty; 62 } 63 64 const PropertyType& currentBaseValue() const 65 { 66 return m_property; 67 } 68 69 void animationStarted(PropertyType* newAnimVal) 70 { 71 ASSERT(!m_isAnimating); 72 ASSERT(!m_animatedProperty); 73 ASSERT(newAnimVal); 74 m_animatedProperty = newAnimVal; 75 m_isAnimating = true; 76 } 77 78 void animationEnded() 79 { 80 ASSERT(m_isAnimating); 81 ASSERT(m_animatedProperty); 82 m_animatedProperty = 0; 83 m_isAnimating = false; 84 } 85 86 void animValWillChange() 87 { 88 // no-op for non list types. 89 ASSERT(m_isAnimating); 90 ASSERT(m_animatedProperty); 91 } 92 93 void animValDidChange() 94 { 95 // no-op for non list types. 96 ASSERT(m_isAnimating); 97 ASSERT(m_animatedProperty); 98 } 99 100protected: 101 SVGAnimatedStaticPropertyTearOff(SVGElement* contextElement, const QualifiedName& attributeName, AnimatedPropertyType animatedPropertyType, PropertyType& property) 102 : SVGAnimatedProperty(contextElement, attributeName, animatedPropertyType) 103 , m_property(property) 104 , m_animatedProperty(0) 105 { 106 } 107 108private: 109 PropertyType& m_property; 110 PropertyType* m_animatedProperty; 111}; 112 113} 114 115#endif // SVGAnimatedStaticPropertyTearOff_h 116