SVGAnimatedProperty.h [plain text]
#ifndef SVGAnimatedProperty_h
#define SVGAnimatedProperty_h
#include "SVGAnimatedPropertyDescription.h"
#include "SVGPropertyInfo.h"
#include <wtf/RefCounted.h>
namespace WebCore {
class SVGElement;
class SVGAnimatedProperty : public RefCounted<SVGAnimatedProperty> {
public:
SVGElement* contextElement() const { return m_contextElement.get(); }
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; }
typedef HashMap<SVGAnimatedPropertyDescription, 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.get());
}
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);
}
protected:
SVGAnimatedProperty(SVGElement*, const QualifiedName&, AnimatedPropertyType);
private:
static Cache* animatedPropertyCache();
RefPtr<SVGElement> m_contextElement;
const QualifiedName& m_attributeName;
AnimatedPropertyType m_animatedPropertyType;
protected:
bool m_isAnimating;
bool m_isReadOnly;
};
}
#endif // SVGAnimatedProperty_h