/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#ifndef NMAPIDATAPLUGINFACTORY_H

#define NMAPIDATAPLUGINFACTORY_H

#include "nmenginedef.h"

class NmDataPluginInterface;

class QDir;

class QPluginLoader;

/*!

 \class NmDataPluginFactory

 \brief The class NmDataPluginFactory provides interface to create NmDataPluginInterface

 instance.

 */

class NmDataPluginFactory

{

public:

    static NmDataPluginFactory *instance();

    static void releaseInstance(NmDataPluginFactory *&instance);

    NmDataPluginInterface *interfaceInstance(QObject *plugin);

    NmDataPluginInterface *interfaceInstance(NmId mailboxId);

    QObject *pluginInstance(NmId mailboxId);

    QList<QObject*>* pluginInstances();

    QObject *loadPlugin(const QDir &pluginDir, const QString& pluginName);

private:

    NmDataPluginFactory();

    virtual ~NmDataPluginFactory();

    static NmDataPluginFactory *mInstance;

    static int mReferenceCount;

    static QList<QObject*> *mPluginArray;

    static QList<QPluginLoader*> mPluginLoaderArray;

};

#endif /* NMDATAPLUGINFACTORY_H_ */