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/****************************************************************************
**
** Copyright (C) 2009 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 "qmlproxymetaobject_p.h"
#include <QDebug>
QT_BEGIN_NAMESPACE
QmlProxyMetaObject::QmlProxyMetaObject(QObject *obj, QList<ProxyData> *mList)
: metaObjects(mList), proxies(0), parent(0), object(obj)
{
#ifdef QMLPROXYMETAOBJECT_DEBUG
qWarning() << "QmlProxyMetaObject" << obj->metaObject()->className();
#endif
*static_cast<QMetaObject *>(this) = *metaObjects->first().metaObject;
QObjectPrivate *op = QObjectPrivate::get(obj);
if (op->metaObject)
parent = static_cast<QAbstractDynamicMetaObject*>(op->metaObject);
op->metaObject = this;
#ifdef QMLPROXYMETAOBJECT_DEBUG
const QMetaObject *mo = obj->metaObject();
while(mo) {
qWarning() << " " << mo->className();
mo = mo->superClass();
}
#endif
}
QmlProxyMetaObject::~QmlProxyMetaObject()
{
if (parent)
delete parent;
parent = 0;
if (proxies)
delete [] proxies;
proxies = 0;
}
int QmlProxyMetaObject::metaCall(QMetaObject::Call c, int id, void **a)
{
if ((c == QMetaObject::ReadProperty ||
c == QMetaObject::WriteProperty) &&
id >= metaObjects->last().propertyOffset) {
for (int ii = 0; ii < metaObjects->count(); ++ii) {
const ProxyData &data = metaObjects->at(ii);
if (id >= data.propertyOffset) {
if (!proxies) {
proxies = new QObject*[metaObjects->count()];
::memset(proxies, 0,
sizeof(QObject *) * metaObjects->count());
}
if (!proxies[ii]) {
QObject *proxy = data.createFunc(object);
const QMetaObject *metaObject = proxy->metaObject();
proxies[ii] = proxy;
int localOffset = data.metaObject->methodOffset();
int methodOffset = metaObject->methodOffset();
int methods = metaObject->methodCount() - methodOffset;
// ### - Can this be done more optimally?
for (int jj = 0; jj < methods; ++jj) {
QMetaMethod method =
metaObject->method(jj + methodOffset);
if (method.methodType() == QMetaMethod::Signal)
QMetaObject::connect(proxy, methodOffset + jj,
object, localOffset + jj);
}
}
int proxyOffset = proxies[ii]->metaObject()->propertyOffset();
int proxyId = id - data.propertyOffset + proxyOffset;
return proxies[ii]->qt_metacall(c, proxyId, a);
}
}
} else if (c == QMetaObject::InvokeMetaMethod &&
id >= metaObjects->last().methodOffset) {
QMetaMethod m = object->metaObject()->method(id);
if (m.methodType() == QMetaMethod::Signal) {
QMetaObject::activate(object, id, a);
return -1;
}
}
if (parent)
return parent->metaCall(c, id, a);
else
return object->qt_metacall(c, id, a);
}
QT_END_NAMESPACE
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