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/*
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
* Copyright (C) 2013 Samsung Electronics. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef SVGAnimatedProperty_h
#define SVGAnimatedProperty_h
#include "core/svg/properties/SVGAnimatedPropertyDescription.h"
#include "core/svg/properties/SVGPropertyInfo.h"
#include "wtf/RefCounted.h"
namespace WebCore {
class SVGElement;
class SVGAnimatedProperty : public RefCounted<SVGAnimatedProperty> {
public:
SVGElement* contextElement() const { return m_contextElement; }
void resetContextElement() { m_contextElement = 0; }
const QualifiedName& attributeName() const { return m_attributeName; }
AnimatedPropertyType animatedPropertyType() const { return m_animatedPropertyType; }
bool isAnimating() const { return m_isAnimating; }
bool isReadOnly() const { return m_isReadOnly; }
void setIsReadOnly() { m_isReadOnly = true; }
void commitChange();
virtual bool isAnimatedListTearOff() const { return false; }
// Caching facilities.
typedef HashMap<SVGAnimatedPropertyDescription, RefPtr<SVGAnimatedProperty>, SVGAnimatedPropertyDescriptionHash, SVGAnimatedPropertyDescriptionHashTraits> Cache;
virtual ~SVGAnimatedProperty();
template<typename OwnerType, typename TearOffType, typename PropertyType>
static PassRefPtr<TearOffType> lookupOrCreateWrapper(OwnerType* element, const SVGPropertyInfo* info, PropertyType& property)
{
ASSERT(info);
SVGAnimatedPropertyDescription key(element, info->propertyIdentifier);
RefPtr<SVGAnimatedProperty> wrapper = animatedPropertyCache()->get(key);
if (!wrapper) {
wrapper = TearOffType::create(element, info->attributeName, info->animatedPropertyType, property);
if (info->animatedPropertyState == PropertyIsReadOnly)
wrapper->setIsReadOnly();
animatedPropertyCache()->set(key, wrapper);
}
return static_pointer_cast<TearOffType>(wrapper);
}
template<typename OwnerType, typename TearOffType>
static TearOffType* lookupWrapper(OwnerType* element, const SVGPropertyInfo* info)
{
ASSERT(info);
SVGAnimatedPropertyDescription key(element, info->propertyIdentifier);
return static_cast<TearOffType*>(animatedPropertyCache()->get(key));
}
template<typename OwnerType, typename TearOffType>
static TearOffType* lookupWrapper(const OwnerType* element, const SVGPropertyInfo* info)
{
return lookupWrapper<OwnerType, TearOffType>(const_cast<OwnerType*>(element), info);
}
static void detachAnimatedPropertiesForElement(SVGElement*);
protected:
SVGAnimatedProperty(SVGElement*, const QualifiedName&, AnimatedPropertyType);
private:
static Cache* animatedPropertyCache();
SVGElement* m_contextElement;
const QualifiedName& m_attributeName;
AnimatedPropertyType m_animatedPropertyType;
protected:
bool m_isAnimating;
bool m_isReadOnly;
};
}
#endif // SVGAnimatedProperty_h
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