/*
 * 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_ */