/*

* Copyright (c) 2002 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: 

*       Loads a polymorphic extension dll and provides access to 

*       extension factory.

*

*/

#ifndef CLogsExtensionLoader_H

#define CLogsExtensionLoader_H

//  INCLUDES

#include <e32base.h>

// FORWARD DECLRATIONS

class MLogsExtensionFactory;

// CLASS DECLARATION

/**

 * Loads a polymorphic extension dll and provides access to 

 * extension factory.

 */

class CLogsExtensionLoader : public CBase

    {

    public: // Constructor and destructor

        /**

         * Creates a new CLogsExtensionLoader.

         */

        static CLogsExtensionLoader* NewL();

        /**

         * Destructor.

         */

        ~CLogsExtensionLoader();

    public: // Interface

        /**

         * Returns extension factory. Ownership is changed for the

         * caller. Second call will return NULL.

         *

         * @return extension factory

         */

        MLogsExtensionFactory& ExtensionFactory();

    private:

        CLogsExtensionLoader();

        void ConstructL();

        TUidType UidType();

        void LoadExtensionDllL();

    private: // Data

        /// Own: the test dll.

        RLibrary iDll;

        /// Ref/Own: loaded extension factory

        MLogsExtensionFactory* iFactory;

    };

#endif

// End of File