/*

* 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:  Intended to be implemented by the observer

*

*/

#ifndef __MPENGGLOBALEVENTOBSERVER_H__

#define __MPENGGLOBALEVENTOBSERVER_H__

//  INCLUDES

#include	<e32def.h>

// CLASS DECLARATION

class CPEngSessionSlotId;

class CPEngSessionSlotEvent;

class CPEngSessionSlotState;

/**

 *	Global event listener of the storage Server

 *	This class is meant to be implemented by the listener

 *	of the global events

 *

 *  @lib PEngStoreMan2.dll

 *  @since 3.0

 */

class MPEngGlobalEventObserver

    {

    public:

        /**

         *	Handle new Global event of the presence server

         *	Event can be one the basic three kinds

         *	1.	Session Slot Created, also generated when new application

         *		registers to the Session Slot

         *	2.	Session slot deleted,also generated when any application

         *		unregisters from the Session Slot

         *	3.	Session Slot global event generated by the Presence Server

         *

         *	@since 3.0

         *	@param aSessionEvent new global event

         */

        virtual void HandleNewSessionSlotEventL(

            const CPEngSessionSlotEvent& aSessionEvent ) = 0;

        /**

         *  Handle observer error

         *  Error from the Handling of the New Session slot event,

         *	or errors from the notify engine are reported through

         *	this function

         *

         *  @since 3.0

         *  @param aError code of the error

         */

        virtual void HandleObserverError( TInt aError ) = 0;

    };

#endif      // __MPENGGLOBALEVENTOBSERVER_H__

// End of File