/*

* Copyright (c) 2007-2010 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:  Observer class for IPVoiceMailEngine. Used to deliver

*                subscription status.

*

*/

#ifndef M_IPVMBXOBSERVER_H

#define M_IPVMBXOBSERVER_H

#include <e32def.h>

/**

 *  Observer class for IPVoiceMailEngine

 *

 *  This class must be herited to receive IPVoiceMailEngine's

 *  subscription status messages.

 *

 *  @lib IPVoiceMailAppEnginedll.lib

 */

class MIpVmbxObserver

    {

public:

    /** Subscribtion states */

    enum TVmbxMessage

        {

        ESubscribed,

        EUnsubscribed,

        ENoMemory,

        ESmsError,

        ENetworkError,

        EIncorrectSettings,

        EFatalNetworkError

        };

    /**

     * This function is called to inform status of subscribe and un-subscribe

     *

     * @param aSipProfileId Sip profile conserning about delivered message

     * @param aMessage Subscribtion status

     */

    virtual void HandleMessage( 

        TUint32 aServiceProviderId, 

        TVmbxMessage aMessage ) = 0;

    };

#endif // M_IPVMBXOBSERVER_H