/*
* Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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; }
// Implemented by JSSVGPODTypeWrapperCreator
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:
// Update callbacks
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)
{
// Update POD item within SVGList
JSSVGPODTypeWrapperCreator<PODType, SVGPODListItem<PODType> >::commitChange(exec);
// Notify owner of the list, that it's content changed
const SVGElement* context = m_list->context();
ASSERT(context);
context->notifyAttributeChange();
}
private:
const ListType* m_list;
};
};
#endif // ENABLE(SVG)
#endif // JSSVGPODTypeWrapper_h