1 /* 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 3 * Copyright (C) 2013 Samsung Electronics. All rights reserved. 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 SVGAnimatedProperty_h 22 #define SVGAnimatedProperty_h 23 24 #include "core/svg/properties/SVGAnimatedPropertyDescription.h" 25 #include "core/svg/properties/SVGPropertyInfo.h" 26 #include "wtf/RefCounted.h" 27 28 namespace WebCore { 29 30 class SVGElement; 31 32 class SVGAnimatedProperty : public RefCounted<SVGAnimatedProperty> { 33 public: 34 SVGElement* contextElement() const { return m_contextElement.get(); } 35 const QualifiedName& attributeName() const { return m_attributeName; } 36 AnimatedPropertyType animatedPropertyType() const { return m_animatedPropertyType; } 37 bool isAnimating() const { return m_isAnimating; } 38 bool isReadOnly() const { return m_isReadOnly; } 39 void setIsReadOnly() { m_isReadOnly = true; } 40 41 void commitChange(); 42 43 virtual bool isAnimatedListTearOff() const { return false; } 44 45 // Caching facilities. 46 typedef HashMap<SVGAnimatedPropertyDescription, SVGAnimatedProperty*, SVGAnimatedPropertyDescriptionHash, SVGAnimatedPropertyDescriptionHashTraits> Cache; 47 48 virtual ~SVGAnimatedProperty(); 49 50 template<typename OwnerType, typename TearOffType, typename PropertyType> 51 static PassRefPtr<TearOffType> lookupOrCreateWrapper(OwnerType* element, const SVGPropertyInfo* info, PropertyType& property) 52 { 53 ASSERT(info); 54 SVGAnimatedPropertyDescription key(element, info->propertyIdentifier); 55 RefPtr<SVGAnimatedProperty> wrapper = animatedPropertyCache()->get(key); 56 if (!wrapper) { 57 wrapper = TearOffType::create(element, info->attributeName, info->animatedPropertyType, property); 58 if (info->animatedPropertyState == PropertyIsReadOnly) 59 wrapper->setIsReadOnly(); 60 animatedPropertyCache()->set(key, wrapper.get()); 61 } 62 return static_pointer_cast<TearOffType>(wrapper); 63 } 64 65 template<typename OwnerType, typename TearOffType> 66 static TearOffType* lookupWrapper(OwnerType* element, const SVGPropertyInfo* info) 67 { 68 ASSERT(info); 69 SVGAnimatedPropertyDescription key(element, info->propertyIdentifier); 70 return static_cast<TearOffType*>(animatedPropertyCache()->get(key)); 71 } 72 73 template<typename OwnerType, typename TearOffType> 74 static TearOffType* lookupWrapper(const OwnerType* element, const SVGPropertyInfo* info) 75 { 76 return lookupWrapper<OwnerType, TearOffType>(const_cast<OwnerType*>(element), info); 77 } 78 79 protected: 80 SVGAnimatedProperty(SVGElement*, const QualifiedName&, AnimatedPropertyType); 81 82 private: 83 static Cache* animatedPropertyCache(); 84 85 RefPtr<SVGElement> m_contextElement; 86 const QualifiedName& m_attributeName; 87 AnimatedPropertyType m_animatedPropertyType; 88 89 protected: 90 bool m_isAnimating; 91 bool m_isReadOnly; 92 }; 93 94 } 95 96 #endif // SVGAnimatedProperty_h 97