/*

* Copyright (c) 2005-2009 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:

* Name        : sipregeventcontext.h

* Part of     : SIP Profile Agent

* implementation

* Version     : 1.0

*

*/

/**

 @internalComponent

*/

#ifndef MSIPREGEVENCONTEXT_H

#define MSIPREGEVENCONTEXT_H

#include <e32std.h>

// CLASS DECLARATION

/**

* A context for reg-event subscription states

*

*  @lib n/a

*/

class MSIPRegEventContext

	{

	public: // Enumerations

        /** Subscription states */

        enum TState 

            {

            /** Not subscribed  */

			ENotSubscribed=0,

			/** SUBSCRIBE sent but final response not yet received */

			ESubscribing=1,			          

            /** SUBSCRIBE sent and a 2XX response received */

			ESubscribed=2,

			/** Deleted old SUBSCRIBE dialog and sent a new SUBSCRIBE 

			 *  but final response not yet received */

			EReSubscribing=3,

			/** Not a real state. Upper limit for the number of states */

			EMaxStates=4

            };

    public: // New functions

        virtual void DoSubscribeL() = 0;

        virtual void DoRefreshL() = 0;

        virtual void ReSubscribeAfterL(TUint aRetryAfter) = 0;

        virtual void SubscriptionFailedL() = 0;

        virtual void RegEventNotSupportedByNetworkL() = 0;

        virtual void ReRegister() = 0;

        virtual void ChangeState(TState aNewState) = 0;

	};

#endif