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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL-ONLY$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "config.h"
#include "qscriptdeclarativeobject_p.h"
#include "../api/qscriptengine.h"
#include "../api/qscriptengine_p.h"
#include "../api/qscriptcontext.h"
#include "../api/qscriptcontext_p.h"
#include "../api/qscriptclass.h"
#include "../api/qscriptclasspropertyiterator.h"
#include "Error.h"
#include "PropertyNameArray.h"
#include <QtCore/qstringlist.h>
Q_DECLARE_METATYPE(QScriptContext*)
Q_DECLARE_METATYPE(QScriptValue)
Q_DECLARE_METATYPE(QScriptValueList)
QT_BEGIN_NAMESPACE
namespace QScript
{
DeclarativeObjectDelegate::DeclarativeObjectDelegate(QScriptDeclarativeClass *c,
QScriptDeclarativeClass::Object *o)
: m_class(c), m_object(o)
{
}
DeclarativeObjectDelegate::~DeclarativeObjectDelegate()
{
delete m_object;
}
QScriptObjectDelegate::Type DeclarativeObjectDelegate::type() const
{
return DeclarativeClassObject;
}
bool DeclarativeObjectDelegate::getOwnPropertySlot(QScriptObject* object,
JSC::ExecState *exec,
const JSC::Identifier &propertyName,
JSC::PropertySlot &slot)
{
QScriptDeclarativeClass::Identifier identifier = (void *)propertyName.ustring().rep();
QScriptDeclarativeClassPrivate *p = QScriptDeclarativeClassPrivate::get(m_class);
p->context = reinterpret_cast<QScriptContext *>(exec);
QScriptClass::QueryFlags flags =
m_class->queryProperty(m_object, identifier, QScriptClass::HandlesReadAccess);
if (flags & QScriptClass::HandlesReadAccess) {
QScriptDeclarativeClass::Value val = m_class->property(m_object, identifier);
p->context = 0;
slot.setValue((const JSC::JSValue &)val);
return true;
}
p->context = 0;
return QScriptObjectDelegate::getOwnPropertySlot(object, exec, propertyName, slot);
}
void DeclarativeObjectDelegate::put(QScriptObject* object, JSC::ExecState *exec,
const JSC::Identifier &propertyName,
JSC::JSValue value, JSC::PutPropertySlot &slot)
{
QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
QScriptDeclarativeClass::Identifier identifier = (void *)propertyName.ustring().rep();
QScriptDeclarativeClassPrivate *p = QScriptDeclarativeClassPrivate::get(m_class);
p->context = reinterpret_cast<QScriptContext *>(exec);
QScriptClass::QueryFlags flags =
m_class->queryProperty(m_object, identifier, QScriptClass::HandlesWriteAccess);
if (flags & QScriptClass::HandlesWriteAccess) {
m_class->setProperty(m_object, identifier, engine->scriptValueFromJSCValue(value));
p->context = 0;
return;
}
p->context = 0;
QScriptObjectDelegate::put(object, exec, propertyName, value, slot);
}
bool DeclarativeObjectDelegate::deleteProperty(QScriptObject* object, JSC::ExecState *exec,
const JSC::Identifier &propertyName)
{
return QScriptObjectDelegate::deleteProperty(object, exec, propertyName);
}
void DeclarativeObjectDelegate::getOwnPropertyNames(QScriptObject* object, JSC::ExecState *exec,
JSC::PropertyNameArray &propertyNames,
JSC::EnumerationMode mode)
{
QStringList properties = m_class->propertyNames(m_object);
for (int ii = 0; ii < properties.count(); ++ii) {
const QString &name = properties.at(ii);
propertyNames.add(JSC::Identifier(exec, name));
}
QScriptObjectDelegate::getOwnPropertyNames(object, exec, propertyNames, mode);
}
JSC::CallType DeclarativeObjectDelegate::getCallData(QScriptObject *object, JSC::CallData &callData)
{
if (!QScriptDeclarativeClassPrivate::get(m_class)->supportsCall)
return JSC::CallTypeNone;
callData.native.function = call;
return JSC::CallTypeHost;
}
JSC::JSValue DeclarativeObjectDelegate::call(JSC::ExecState *exec, JSC::JSObject *callee,
JSC::JSValue thisValue, const JSC::ArgList &args)
{
if (!callee->inherits(&QScriptObject::info))
return JSC::throwError(exec, JSC::TypeError, "callee is not a DeclarativeObject object");
QScriptObject *obj = static_cast<QScriptObject*>(callee);
QScriptObjectDelegate *delegate = obj->delegate();
if (!delegate || (delegate->type() != QScriptObjectDelegate::DeclarativeClassObject))
return JSC::throwError(exec, JSC::TypeError, "callee is not a DeclarativeObject object");
QScriptDeclarativeClass *scriptClass = static_cast<DeclarativeObjectDelegate*>(delegate)->m_class;
QScriptEnginePrivate *eng_p = scriptEngineFromExec(exec);
JSC::ExecState *oldFrame = eng_p->currentFrame;
eng_p->pushContext(exec, thisValue, args, callee);
QScriptContext *ctxt = eng_p->contextForFrame(eng_p->currentFrame);
QScriptValue scriptObject = eng_p->scriptValueFromJSCValue(obj);
QScriptDeclarativeClass::Value result =
scriptClass->call(static_cast<DeclarativeObjectDelegate*>(delegate)->m_object, ctxt);
eng_p->popContext();
eng_p->currentFrame = oldFrame;
return (JSC::JSValue &)(result);
}
JSC::ConstructType DeclarativeObjectDelegate::getConstructData(QScriptObject* object, JSC::ConstructData &constructData)
{
return QScriptObjectDelegate::getConstructData(object, constructData);
}
bool DeclarativeObjectDelegate::hasInstance(QScriptObject* object, JSC::ExecState *exec,
JSC::JSValue value, JSC::JSValue proto)
{
return QScriptObjectDelegate::hasInstance(object, exec, value, proto);
}
bool DeclarativeObjectDelegate::compareToObject(QScriptObject *o, JSC::ExecState *exec, JSC::JSObject *o2)
{
if (!o2->inherits(&QScriptObject::info))
return false;
QScriptObject *scriptObject = static_cast<QScriptObject*>(o2);
QScriptObjectDelegate *delegate = scriptObject->delegate();
if (!delegate || (delegate->type() != QScriptObjectDelegate::DeclarativeClassObject))
return false;
DeclarativeObjectDelegate *other = static_cast<DeclarativeObjectDelegate*>(delegate);
if (m_class != other->m_class)
return false;
else
return m_class->compare(m_object, other->m_object);
}
} // namespace QScript
QT_END_NAMESPACE
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