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: contextElement()34 SVGElement* contextElement() const { return m_contextElement; } resetContextElement()35 void resetContextElement() { m_contextElement = 0; } attributeName()36 const QualifiedName& attributeName() const { return m_attributeName; } animatedPropertyType()37 AnimatedPropertyType animatedPropertyType() const { return m_animatedPropertyType; } isAnimating()38 bool isAnimating() const { return m_isAnimating; } isReadOnly()39 bool isReadOnly() const { return m_isReadOnly; } setIsReadOnly()40 void setIsReadOnly() { m_isReadOnly = true; } 41 42 void commitChange(); 43 isAnimatedListTearOff()44 virtual bool isAnimatedListTearOff() const { return false; } 45 46 // Caching facilities. 47 typedef HashMap<SVGAnimatedPropertyDescription, RefPtr<SVGAnimatedProperty>, SVGAnimatedPropertyDescriptionHash, SVGAnimatedPropertyDescriptionHashTraits> Cache; 48 49 virtual ~SVGAnimatedProperty(); 50 51 template<typename OwnerType, typename TearOffType, typename PropertyType> lookupOrCreateWrapper(OwnerType * element,const SVGPropertyInfo * info,PropertyType & property)52 static PassRefPtr<TearOffType> lookupOrCreateWrapper(OwnerType* element, const SVGPropertyInfo* info, PropertyType& property) 53 { 54 ASSERT(info); 55 SVGAnimatedPropertyDescription key(element, info->propertyIdentifier); 56 RefPtr<SVGAnimatedProperty> wrapper = animatedPropertyCache()->get(key); 57 if (!wrapper) { 58 wrapper = TearOffType::create(element, info->attributeName, info->animatedPropertyType, property); 59 if (info->animatedPropertyState == PropertyIsReadOnly) 60 wrapper->setIsReadOnly(); 61 animatedPropertyCache()->set(key, wrapper); 62 } 63 return static_pointer_cast<TearOffType>(wrapper); 64 } 65 66 template<typename OwnerType, typename TearOffType> lookupWrapper(OwnerType * element,const SVGPropertyInfo * info)67 static TearOffType* lookupWrapper(OwnerType* element, const SVGPropertyInfo* info) 68 { 69 ASSERT(info); 70 SVGAnimatedPropertyDescription key(element, info->propertyIdentifier); 71 return static_cast<TearOffType*>(animatedPropertyCache()->get(key)); 72 } 73 74 template<typename OwnerType, typename TearOffType> lookupWrapper(const OwnerType * element,const SVGPropertyInfo * info)75 static TearOffType* lookupWrapper(const OwnerType* element, const SVGPropertyInfo* info) 76 { 77 return lookupWrapper<OwnerType, TearOffType>(const_cast<OwnerType*>(element), info); 78 } 79 80 static void detachAnimatedPropertiesForElement(SVGElement*); 81 82 protected: 83 SVGAnimatedProperty(SVGElement*, const QualifiedName&, AnimatedPropertyType); 84 85 private: 86 static Cache* animatedPropertyCache(); 87 88 SVGElement* m_contextElement; 89 const QualifiedName& m_attributeName; 90 AnimatedPropertyType m_animatedPropertyType; 91 92 protected: 93 bool m_isAnimating; 94 bool m_isReadOnly; 95 }; 96 97 } 98 99 #endif // SVGAnimatedProperty_h 100