1 /*

     2 * Copyright (c) 2002-2004 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:  Base interface for component data APIs

    15 *

    16 */

    17 

    18 

    19 #ifndef __MXNCOMPONENTINTERFACE_H__

    20 #define __MXNCOMPONENTINTERFACE_H__

    21 

    22 //  INCLUDES

    23 #include    <e32base.h>

    24 #include	"xnnodeappif.h"

    25 

    26 // CLASS DECLARATION

    27 /**

    28 *  Base interface for component data APIs

    29 *  @lib xnlayoutengine.lib

    30 *  @since Series 60 3.1

    31 */

    32 namespace XnComponentInterface

    33     {

    34     _LIT8(KType, "");

    35    

    36     class MXnComponentInterface

    37 		    {

    38         public:

    39         static inline const TDesC8& Type()

    40             {

    41             return KType;

    42             }

    43    			};

    44 		

    45     template<class T> TBool MakeInterfaceL(T*& aTargetInterface, CXnNodeAppIf& aNode)

    46         {

    47         aTargetInterface = static_cast<T*>(aNode.MakeInterfaceL(T::Type()));

    48         return aTargetInterface ? ETrue : EFalse;

    49         }

    50       }

    51 #endif //__MXNCOMPONENTINTERFACE_H__