/*

* Copyright (c) 2004 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:  Templated notify mediator implementation.

*

*/

#ifndef GENOBSERVERNOTIFYMEDIATORS_H__

#define GENOBSERVERNOTIFYMEDIATORS_H__

//  INCLUDES

#include <E32Std.h>

#include "RGenericObserverArray.h"

// CLASS DECLARATION

/**

 * Templated notify mediator implementation.

 *

 * Suitable for observers which have event and error

 * functions type:

 *   - void ObserverClass::EventFuncL( Type1 aArg1,

 *                                     Type2 aArg2 )

 *   - void ObserverClass::ErrorFunc( TInt aLeaveError,

 *                                    Type1 aArg1 )

 *

 * Inline functions left to header for clarity.

 *

 * @since 3.0

 */

template < class _ObsClass,

class _Arg1,

class _Arg2 >

class TGenNotifyMediator2

            : public MGenObserverNotifyMediator< _ObsClass >

    {

    public: //Constructor

        explicit TGenNotifyMediator2(

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

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

            _Arg1 aArg1,

            _Arg2 aArg2 )

                : iEventFuncL( aEventFuncL ),

                iErrorFunc( aErrorFunc ),

                iArg1( aArg1 ),

                iArg2( aArg2 )

            {

            }

    private: //From MGenObserverNotifyMediator

        void MediateNotifyL( _ObsClass& aObserverToNotify )

            {

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

            }

        void MediateNotifyError( _ObsClass& aObserverToNotify,

                                 TInt aLeaveError )

            {

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

            }

    private: //Data

        //OWN: Event handler function

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

        //OWN: Error handler function

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

        //OWN: Templated argument

        _Arg1 iArg1;

        //OWN: Templated argument

        _Arg2 iArg2;

    };

#endif      //GENOBSERVERNOTIFYMEDIATORS_H__

//  End of File