/****************************************************************************
**
** Copyright (C) 2014 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.
**
****************************************************************************/

#ifndef NODEINSTANCESIGNALSPY_H
#define NODEINSTANCESIGNALSPY_H

#include <QObject>
#include <QHash>
#include <QSharedPointer>

#include "nodeinstanceglobal.h"

namespace QmlDesigner {

namespace Internal {

class ObjectNodeInstance;
typedef QSharedPointer<ObjectNodeInstance> ObjectNodeInstancePointer;
typedef QWeakPointer<ObjectNodeInstance> ObjectNodeInstanceWeakPointer;

class NodeInstanceSignalSpy : public QObject
{
public:
    explicit NodeInstanceSignalSpy();

    void setObjectNodeInstance(const ObjectNodeInstancePointer &nodeInstance);

    virtual int qt_metacall(QMetaObject::Call, int, void **);

protected:
    void registerObject(QObject *spiedObject);
    void registerProperty(const QMetaProperty &metaProperty, QObject *spiedObject, const PropertyName &propertyPrefix = PropertyName());
    void registerValueType(const QMetaProperty &metaProperty, QObject *spiedObject, const PropertyName &propertyPrefix);
    void registerChildObject(const QMetaProperty &metaProperty, QObject *spiedObject);

private:
    int methodeOffset;
    QMultiHash<int, PropertyName> m_indexPropertyHash;
    QObjectList m_registeredObjectList;
    ObjectNodeInstanceWeakPointer m_objectNodeInstance;
};

} // namespace Internal
} // namespace QmlDesigner

#endif // NODEINSTANCESIGNALSPY_H
