1 /*

     2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *       Loads a polymorphic extension dll and provides access to 

    16 *       extension factory.

    17 *

    18 */

    19 

    20 

    21 #ifndef CLogsExtensionLoader_H

    22 #define CLogsExtensionLoader_H

    23 

    24 

    25 //  INCLUDES

    26 #include <e32base.h>

    27 

    28 // FORWARD DECLRATIONS

    29 class MLogsExtensionFactory;

    30 

    31 // CLASS DECLARATION

    32 

    33 /**

    34  * Loads a polymorphic extension dll and provides access to 

    35  * extension factory.

    36  */

    37 class CLogsExtensionLoader : public CBase

    38     {

    39     public: // Constructor and destructor

    40         /**

    41          * Creates a new CLogsExtensionLoader.

    42          */

    43         static CLogsExtensionLoader* NewL();

    44 

    45         /**

    46          * Destructor.

    47          */

    48         ~CLogsExtensionLoader();

    49 

    50     public: // Interface

    51         /**

    52          * Returns extension factory. Ownership is changed for the

    53          * caller. Second call will return NULL.

    54          *

    55          * @return extension factory

    56          */

    57         MLogsExtensionFactory& ExtensionFactory();

    58 

    59     private:

    60         CLogsExtensionLoader();

    61         void ConstructL();

    62         TUidType UidType();

    63         void LoadExtensionDllL();

    64 

    65     private: // Data

    66         /// Own: the test dll.

    67         RLibrary iDll;

    68         /// Ref/Own: loaded extension factory

    69         MLogsExtensionFactory* iFactory;

    70 

    71     };

    72 

    73 #endif

    74             

    75 

    76 // End of File