1 /*

     2 * Copyright (c) 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:  Templated notify mediator implementation.

    15 *

    16 */

    17 

    18 #ifndef GENOBSERVERNOTIFYMEDIATORS_H__

    19 #define GENOBSERVERNOTIFYMEDIATORS_H__

    20 

    21 //  INCLUDES

    22 #include <E32Std.h>

    23 #include "RGenericObserverArray.h"

    24 

    25 

    26 // CLASS DECLARATION

    27 /**

    28  * Templated notify mediator implementation.

    29  *

    30  * Suitable for observers which have event and error

    31  * functions type:

    32  *   - void ObserverClass::EventFuncL( Type1 aArg1,

    33  *                                     Type2 aArg2 )

    34  *   - void ObserverClass::ErrorFunc( TInt aLeaveError,

    35  *                                    Type1 aArg1 )

    36  *

    37  * Inline functions left to header for clarity.

    38  *

    39  * @since 3.0

    40  */

    41 template < class _ObsClass,

    42 class _Arg1,

    43 class _Arg2 >

    44 class TGenNotifyMediator2

    45             : public MGenObserverNotifyMediator< _ObsClass >

    46     {

    47     public: //Constructor

    48 

    49         explicit TGenNotifyMediator2(

    50             void ( _ObsClass::* aEventFuncL )( _Arg1, _Arg2 ),

    51             void ( _ObsClass::* aErrorFunc )( TInt, _Arg1 ),

    52             _Arg1 aArg1,

    53             _Arg2 aArg2 )

    54                 : iEventFuncL( aEventFuncL ),

    55                 iErrorFunc( aErrorFunc ),

    56                 iArg1( aArg1 ),

    57                 iArg2( aArg2 )

    58             {

    59             }

    60 

    61 

    62     private: //From MGenObserverNotifyMediator

    63 

    64         void MediateNotifyL( _ObsClass& aObserverToNotify )

    65             {

    66             ( aObserverToNotify.*iEventFuncL )( iArg1, iArg2 );

    67             }

    68 

    69         void MediateNotifyError( _ObsClass& aObserverToNotify,

    70                                  TInt aLeaveError )

    71             {

    72             ( aObserverToNotify.*iErrorFunc )( aLeaveError, iArg1 );

    73             }

    74 

    75 

    76     private: //Data

    77         //OWN: Event handler function

    78         void ( _ObsClass::* iEventFuncL )( _Arg1, _Arg2 );

    79 

    80         //OWN: Error handler function

    81         void ( _ObsClass::* iErrorFunc )( TInt, _Arg1 );

    82 

    83         //OWN: Templated argument

    84         _Arg1 iArg1;

    85 

    86         //OWN: Templated argument

    87         _Arg2 iArg2;

    88     };

    89 

    90 

    91 

    92 #endif      //GENOBSERVERNOTIFYMEDIATORS_H__

    93 

    94 

    95 //  End of File

    96