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/*
Copyright (C) 2002-2003 KSVG Team
This file is part of the KDE project
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 KSVGBridge_H
#define KSVGBridge_H
#include <kdebug.h>
#include <kjs/object.h>
#include <kjs/lookup.h>
#include <kjs/interpreter.h> // for ExecState
namespace KJS
{
class Value;
class UString;
class ExecState;
}
// Base class for all bridges
// The T class must provide prototype(exec), get and hasProperty
// and have a static s_classInfo object
template<class T>
class KSVGBridge : public KJS::ObjectImp
{
public:
KSVGBridge(KJS::ExecState *exec, T *impl) : KJS::ObjectImp(impl->prototype(exec)), m_impl(impl) { }
T *impl() const { return m_impl; }
virtual KJS::Value get(KJS::ExecState *exec, const KJS::Identifier &propertyName) const
{
kdDebug(26004) << "KSVGBridge::get(), " << propertyName.qstring() << " Name: " << classInfo()->className << " Object: " << m_impl << endl;
// Look for standard properties (e.g. those in the hashtables)
KJS::Value val = m_impl->get(exec, propertyName, this);
if(val.type() != KJS::UndefinedType)
return val;
// Not found -> forward to ObjectImp.
val = KJS::ObjectImp::get(exec, propertyName);
if(val.type() == KJS::UndefinedType)
kdDebug(26004) << "WARNING: " << propertyName.qstring() << " not found in... Name: " << classInfo()->className << " Object: " << m_impl << " on line : " << exec->context().curStmtFirstLine() << endl;
return val;
}
virtual bool hasProperty(KJS::ExecState *exec, const KJS::Identifier &propertyName) const
{
kdDebug(26004) << "KSVGBridge::hasProperty(), " << propertyName.qstring() << " Name: " << classInfo()->className << " Object: " << m_impl << endl;
if(m_impl->hasProperty(exec, propertyName))
return true;
return KJS::ObjectImp::hasProperty(exec, propertyName);
}
virtual const KJS::ClassInfo *classInfo() const { return &T::s_classInfo; }
protected:
T *m_impl;
};
// Base class for readwrite bridges
// T must also implement put (use KSVG_PUT in the header file)
template<class T>
class KSVGRWBridge : public KSVGBridge<T>
{
public:
KSVGRWBridge(KJS::ExecState *exec, T *impl) : KSVGBridge<T>(exec, impl) { }
virtual void put(KJS::ExecState *exec, const KJS::Identifier &propertyName, const KJS::Value &value, int attr)
{
// if(!(attr & KJS::Internal))
// kdDebug(26004) << "KSVGBridge::put(), " << propertyName.qstring() << " Name: " << classInfo()->className << " Object: " << m_impl << endl;
// Try to see if we know this property (and need to take special action)
if(this->m_impl->put(exec, propertyName, value, attr))
return;
// We don't -> set property in ObjectImp.
KJS::ObjectImp::put(exec, propertyName, value, attr);
}
};
#endif
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