/*

* 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: 

*      MPsetBarringObserver class defines protocol for reporting

*      barring events to barring observer.     

*

*

*/

#ifndef     MPSETBARRINGOBS_H

#define     MPSETBARRINGOBS_H

//  INCLUDES

#include "nwdefs.h"

//  CLASS DEFINITIONS 

/**

*  MPsetBarringObserver class is virtual class for call barring observers.

*  @lib phonesettings.lib

*  @since 1.0

*/

class MPsetBarringObserver

    {

    public:      

        /**

        * Handles mode changed notes.

        *

        * @param aType Type of barring program.

        * @param aStatus Status of the barring program.

        * @param aPlural Plural notes should be used.

        */

        virtual void HandleBarringModeChangedL( TBarringProgram aType, 

              TBarringStatus aStatus, TBool aPlural ) = 0;        

         /**

        * Handles barring mode inquiry notes.

        *

        * @param aType Type of barring program.

        * @param aStatus Status of the barring program.

        */

        virtual void HandleBarringModeStatusL( TUint8 aBsc[KPSetNumberOfBsc], 

                    TBarringStatus aStatus ) = 0;

        /**

        * Handles errors in call barring requests.

        *

        * @param aReason Reason for error.

        */

        virtual void HandleBarringErrorL( TInt aReason ) = 0;

        /**

        * Handles requesting notes.

        *

        * @param aTrue Is there a request going on.

        * @param aInterrupted Request needs to be immediately cancelled.

        */

        virtual void HandleCBRequestingL( TBool aTrue, 

            TBool aInterrupted ) = 0; 

        /**

        * Sets pointer so that message is passed succesfully

        * from requester to observer.

        *

        * @param aBarringEngine Source of events to observer.

        */

        virtual void SetEngineContact( MPsetCallBarring* aBarringEngine ) = 0;

        /**

        * Handles notes relating to cb password change requests.

        *

        * @param aSuccess Result of teh change request.

        */

        virtual void CbPasswordChangedL( TBool aSuccess ) = 0;

    };

#endif      //  MPSETBARRINGOBS_H

// End of File