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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "nodeinstancesignalspy.h"
#include "objectnodeinstance.h"
#include <QMetaProperty>
#include <QMetaObject>
#include <QDebug>
#include <QSharedPointer>
#include <private/qdeclarativemetatype_p.h>
namespace QmlDesigner {
namespace Internal {
NodeInstanceSignalSpy::NodeInstanceSignalSpy() :
QObject()
{
blockSignals(true);
}
void NodeInstanceSignalSpy::setObjectNodeInstance(const ObjectNodeInstance::Pointer &nodeInstance)
{
methodeOffset = QObject::staticMetaObject.methodCount() + 1;
registerObject(nodeInstance->object());
m_objectNodeInstance = nodeInstance;
}
void NodeInstanceSignalSpy::registerObject(QObject *spiedObject, const QString &prefix)
{
if (m_registeredObjectList.contains(spiedObject)) // prevent cycles
return;
m_registeredObjectList.append(spiedObject);
for (int index = QObject::staticMetaObject.propertyOffset();
index < spiedObject->metaObject()->propertyCount();
index++) {
QMetaProperty metaProperty = spiedObject->metaObject()->property(index);
// handle dot properties and connect the signals to the object
if (metaProperty.isReadable()
&& !metaProperty.isWritable()
&& QDeclarativeMetaType::isQObject(metaProperty.userType())) {
QObject *propertyObject = QDeclarativeMetaType::toQObject(metaProperty.read(spiedObject));
if (propertyObject)
registerObject(propertyObject, prefix + metaProperty.name() + QLatin1Char('.'));
} else if (metaProperty.hasNotifySignal()) {
QMetaMethod metaMethod = metaProperty.notifySignal();
bool isConnecting = QMetaObject::connect(spiedObject, metaMethod.methodIndex(), this, methodeOffset, Qt::DirectConnection);
Q_ASSERT(isConnecting);
Q_UNUSED(isConnecting);
m_indexPropertyHash.insert(methodeOffset, prefix + metaProperty.name());
methodeOffset++;
}
// search recursive in objects
if (metaProperty.isReadable()
&& metaProperty.isWritable()
&& QDeclarativeMetaType::isQObject(metaProperty.userType())) {
QObject *propertyObject = QDeclarativeMetaType::toQObject(metaProperty.read(spiedObject));
if (propertyObject)
registerObject(propertyObject, prefix + metaProperty.name() + QLatin1Char('/'));
}
// search recursive in objects list
if (metaProperty.isReadable()
&& QDeclarativeMetaType::isList(metaProperty.userType())) {
QDeclarativeListReference list(spiedObject, metaProperty.name());
if (list.canCount() && list.canAt()) {
for (int i = 0; i < list.count(); i++) {
QObject *propertyObject = list.at(i);
if (propertyObject)
registerObject(propertyObject, prefix + metaProperty.name() + QLatin1Char('/'));
}
}
}
}
}
int NodeInstanceSignalSpy::qt_metacall(QMetaObject::Call call, int methodId, void **a)
{
if (call == QMetaObject::InvokeMetaMethod && methodId > QObject::staticMetaObject.methodCount()) {
ObjectNodeInstance::Pointer nodeInstance = m_objectNodeInstance.toStrongRef();
if (nodeInstance && nodeInstance->nodeInstanceServer() && nodeInstance->isValid()) {
nodeInstance->nodeInstanceServer()->notifyPropertyChange(nodeInstance->instanceId(), m_indexPropertyHash.value(methodId));
}
}
return QObject::qt_metacall(call, methodId, a);
}
} // namespace Internal
} // namespace QmlDesigner
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