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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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qmllistscriptclass_p.h"
#include "qmlengine_p.h"
#include "qmlguard_p.h"
QT_BEGIN_NAMESPACE
struct ListData : public QScriptDeclarativeClass::Object {
QmlGuard<QObject> object;
int propertyIdx;
QmlListScriptClass::ListCategory type;
int propertyType;
};
QmlListScriptClass::QmlListScriptClass(QmlEngine *e)
: QmlScriptClass(QmlEnginePrivate::getScriptEngine(e)), engine(e)
{
QScriptEngine *scriptEngine = QmlEnginePrivate::getScriptEngine(engine);
Q_UNUSED(scriptEngine);
m_lengthId = createPersistentIdentifier(QLatin1String("length"));
}
QmlListScriptClass::~QmlListScriptClass()
{
}
QScriptValue QmlListScriptClass::newList(QObject *object, int propId, ListCategory type, int propType)
{
QScriptEngine *scriptEngine = QmlEnginePrivate::getScriptEngine(engine);
if (!object || propId == -1)
return scriptEngine->nullValue();
ListData *data = new ListData;
data->object = object;
data->propertyIdx = propId;
data->type = type;
data->propertyType = propType;
return newObject(scriptEngine, this, data);
}
QScriptClass::QueryFlags
QmlListScriptClass::queryProperty(Object *object, const Identifier &name,
QScriptClass::QueryFlags flags)
{
Q_UNUSED(object);
Q_UNUSED(flags);
if (name == m_lengthId.identifier)
return QScriptClass::HandlesReadAccess;
bool ok = false;
quint32 idx = toArrayIndex(name, &ok);
if (ok) {
lastIndex = idx;
return QScriptClass::HandlesReadAccess;
} else {
return 0;
}
}
QmlListScriptClass::ScriptValue QmlListScriptClass::property(Object *obj, const Identifier &name)
{
QScriptEngine *scriptEngine = QmlEnginePrivate::getScriptEngine(engine);
QmlEnginePrivate *enginePriv = QmlEnginePrivate::get(engine);
ListData *data = (ListData *)obj;
if (!data->object)
return Value();
void *list = 0;
void *args[] = { &list, 0 };
QMetaObject::metacall(data->object, QMetaObject::ReadProperty,
data->propertyIdx, args);
if (!list)
return Value();
if (data->type == QListPtr) {
const QList<QObject *> &qlist = *((QList<QObject *>*)list);
quint32 count = qlist.count();
if (name == m_lengthId.identifier)
return Value(scriptEngine, count);
else if (lastIndex < count)
return Value(scriptEngine, enginePriv->objectClass->newQObject(qlist.at(lastIndex)));
else
return Value();
} else {
Q_ASSERT(data->type == QmlListPtr);
const QmlList<QObject *> &qmllist = *((QmlList<QObject *>*)list);
quint32 count = qmllist.count();
if (name == m_lengthId.identifier)
return Value(scriptEngine, count);
else if (lastIndex < count)
return Value(scriptEngine, enginePriv->objectClass->newQObject(qmllist.at(lastIndex)));
else
return Value();
}
}
QVariant QmlListScriptClass::toVariant(Object *obj, bool *ok)
{
ListData *data = (ListData *)obj;
if (!data->object) {
if (ok) *ok = false;
return QVariant();
}
void *list = 0;
void *args[] = { &list, 0 };
QMetaObject::metacall(data->object, QMetaObject::ReadProperty,
data->propertyIdx, args);
if (!list) {
if (ok) *ok = false;
return QVariant();
}
if (ok) *ok = true;
return QVariant(data->propertyType, &list);
}
QT_END_NAMESPACE
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