emailuis/nmailuiengine/inc/nmdatapluginfactory.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 14:51:52 +0300
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#ifndef NMDATAPLUGINFACTORY_H_
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#define NMDATAPLUGINFACTORY_H_
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#include "nmuienginedef.h"
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class NmDataPluginInterface;
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class QDir;
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class QPluginLoader;
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/*!
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    \class NmDataPluginFactory
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    \brief The class NmDataPluginFactory provides interface to create NmDataPluginInterface
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    instance.
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 */
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class NMUIENGINE_EXPORT NmDataPluginFactory
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{
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public:
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    static NmDataPluginFactory *instance();
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    static void releaseInstance(NmDataPluginFactory *&instance);
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    NmDataPluginInterface *interfaceInstance(QObject *plugin);
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    NmDataPluginInterface *interfaceInstance(NmId mailboxId);
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    QObject *pluginInstance(NmId mailboxId);
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    QList<QObject*> *pluginInstances();
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    QObject *loadPlugin(
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        const QDir &pluginDir,
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        const QString& pluginName);
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private:
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    NmDataPluginFactory();
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    virtual ~NmDataPluginFactory();
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    static NmDataPluginFactory   *mInstance;         // owned
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    static int                   mReferenceCount;
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    static QList<QObject*>       *mPluginArray;      // owned
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    static QList<QPluginLoader*> mPluginLoaderArray; // owned
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};
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#endif /* NMDATAPLUGINFACTORY_H_ */