/*
* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
* which accompanies this distribution, and is available
* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
* Name        : sipprofileregistryobserver.h
* Part of     : SIP Profile Client
* Interface   : SDK API, SIP Profile API
* The observer class for monitoring SIP profiles.
* Version     : 1.0
*
*/



#ifndef MSIPPROFILEOREGISTRYBSERVER_H
#define MSIPPROFILEOREGISTRYBSERVER_H

//  INCLUDES
#include <e32base.h>
#include <e32std.h>

// FORWARD DECLARATIONS

// CLASS DECLARATION
/**
*  @publishedAll
*  @released
*
*  The observer class for monitoring SIP profiles.
*  Class must be implemented by the user in order to 
*  observe changes in the SIP profiles.
*/
class MSIPProfileRegistryObserver 
    {
    public: 
        /** Profile Registry events */
        enum TEvent
            {
            /** 
            * Signals the creation of a SIP profile, indicating that a new
            * profile is added into permanent store. This event is sent to
            * all observers.
            */
            EProfileCreated = 0,
            /** 
            * Signals the updating of a SIP profile, indicating that the data of 
            * an existing profile is updated into permanent store. This event is
            * sent to those observers who have the corresponding profile 
            * instantiated. 
            * Newly updated values of the profile are available for clients after
            * they receive this signal.If profile was registered while updated,
            * reregistration of the profile may occur. Updated values of the 
            * profile are uploaded into network when SIP registration process
            * is completed.It is possible (but not recommended) that profile is
            * updated even when it is being enabled by the client. If client 
            * receives this event for enabled profile, client should react as if
            * error was occurred in the exception that profile is disabled
            * or deleted first.
            */
            EProfileUpdated,
            /**
            * Signals the changing of the registration status of a SIP profile
            * to registered.
            * This event is sent to those observers who have the corresponding
            * profile instantiated.
            */
            EProfileRegistered,
            /**
            * Signals the changing of the registration status of a SIP profile
            * to deregistered.
            * This event is sent to those observers who have the corresponding
            * profile instantiated.
            */
            EProfileDeregistered,
            /**
            * Signals the destruction of a SIP profile, indicating that the 
            * profile has been removed from the permanent store and cannot 
            * be used anymore.This event is sent to those observers who have 
            * the corresponding profile instantiated.
            */
            EProfileDestroyed,
            /**
             * Signals the force disabling of a SIP profile, indicating that 
             * all the users attached to the profile are detached. This event
             * is sent to all the observers but ForceDisable API can be invoked
			 * only by application with Network Control capability.
             */
            EProfileForciblyDisabled
            };

        /** 
        * An event related to SIP Profile has accorred
        * @param aProfileId a profile Id
        * @param aEvent an occurred event
        **/
        virtual void ProfileRegistryEventOccurred(TUint32 aProfileId,
                                                  TEvent aEvent)=0;

        /**
        * An asynchronous error has occurred related to SIP profile
        * Event is send to those observers, who have the
        * corresponding profile instantiated.
        * @param aProfileId the id of failed profile 
        * @param aError an occurred error
        */
        virtual void ProfileRegistryErrorOccurred(TUint32 aProfileId,
                                                  TInt aError)=0;
    };

#endif // MSIPPROFILEOREGISTRYBSERVER_H