JSSVGPODTypeWrapper.h [plain text]
#ifndef JSSVGPODTypeWrapper_h
#define JSSVGPODTypeWrapper_h
#if ENABLE(SVG)
#include "Frame.h"
#include "Shared.h"
#include "SVGElement.h"
#include <wtf/Assertions.h>
namespace WebCore {
template<typename PODType>
class JSSVGPODTypeWrapper : public Shared<JSSVGPODTypeWrapper<PODType> >
{
public:
JSSVGPODTypeWrapper(const PODType& type)
: m_podType(type)
{ }
virtual ~JSSVGPODTypeWrapper() { }
operator PODType&() { return m_podType; }
virtual void commitChange(KJS::ExecState*) { }
private:
PODType m_podType;
};
template<typename PODType, typename PODTypeCreator>
class JSSVGPODTypeWrapperCreator : public JSSVGPODTypeWrapper<PODType>
{
public:
typedef PODType (PODTypeCreator::*GetterMethod)() const;
typedef void (PODTypeCreator::*SetterMethod)(PODType);
JSSVGPODTypeWrapperCreator(PODTypeCreator* creator, GetterMethod getter, SetterMethod setter)
: JSSVGPODTypeWrapper<PODType>((creator->*getter)())
, m_creator(creator)
, m_setter(setter)
{ }
virtual ~JSSVGPODTypeWrapperCreator() { }
virtual void commitChange(KJS::ExecState* exec)
{
(m_creator->*m_setter)((PODType&)(*this));
ASSERT(exec && exec->dynamicInterpreter());
Frame* activeFrame = static_cast<KJS::ScriptInterpreter*>(exec->dynamicInterpreter())->frame();
if (!activeFrame)
return;
SVGDocumentExtensions* extensions = (activeFrame->document() ? activeFrame->document()->accessSVGExtensions() : 0);
if (extensions && extensions->hasGenericContext<PODTypeCreator>(m_creator)) {
const SVGElement* context = extensions->genericContext<PODTypeCreator>(m_creator);
ASSERT(context);
context->notifyAttributeChange();
}
}
private:
PODTypeCreator* m_creator;
SetterMethod m_setter;
};
template<typename PODType>
class SVGPODListItem;
template<typename PODType, typename ListType>
class JSSVGPODTypeWrapperCreatorForList : public JSSVGPODTypeWrapperCreator<PODType, SVGPODListItem<PODType> >
{
public:
JSSVGPODTypeWrapperCreatorForList(SVGPODListItem<PODType>* creator, const ListType* list)
: JSSVGPODTypeWrapperCreator<PODType, SVGPODListItem<PODType> >(creator,
&SVGPODListItem<PODType>::value,
&SVGPODListItem<PODType>::setValue)
, m_list(list)
{ }
virtual ~JSSVGPODTypeWrapperCreatorForList() { }
virtual void commitChange(KJS::ExecState* exec)
{
JSSVGPODTypeWrapperCreator<PODType, SVGPODListItem<PODType> >::commitChange(exec);
const SVGElement* context = m_list->context();
ASSERT(context);
context->notifyAttributeChange();
}
private:
const ListType* m_list;
};
};
#endif // ENABLE(SVG)
#endif // JSSVGPODTypeWrapper_h