/*

* Copyright (c) 2007-2009 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        : sipprflderegistrationinprogressstate.h

* Part of     : sip profile fsm 

* Version     : %version: 2.1.1 %

*

*/

/**

 @internalComponent

*/

#ifndef CSIPPRFLDEREGISTERATIONINPROGRESSSTATE_H

#define CSIPPRFLDEREGISTERATIONINPROGRESSSTATE_H

//  INCLUDES

#include "sipprflstatebase.h"

// FORWARD DECLARATIONS

class CSIPConcreteProfile;

// CLASS DECLARATION

/**

* Reacts to events that are possible in 

* "Deregistration in Progress" state. Profile is in this 

* state if (de)REGISTER was successfully sent to the

* remote SIP server.

*/

class CSIPPrflDeregistrationInProgressState: public CSIPPrflStateBase

	{

	public:// Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aUser user for the state machine

        */

		IMPORT_C static CSIPPrflDeregistrationInProgressState* NewL(

		    MSIPProfileFSMUser& aUser);

		/**

		* Destructor

		*/

		IMPORT_C ~CSIPPrflDeregistrationInProgressState();

	public://new functions

		/**

		* Links states

		* @param aInitState "Init" state

		*/

		IMPORT_C void LinkStates(

			CSIPPrflStateBase& aInitState);

	public://functions from base class

	    CSIPConcreteProfile::TStatus ConcreteProfileState() const;

		/**

		* A SIP response creating a registration binding or an error response 

		* that is related to an refreshed registration binding  

		* has been received from the network.

		* Moves profile to "Init" state.

		* @param aContext a profile context

		* @param aTransaction contains response elements.

		*/

		void ResponseReceived(

			MSIPProfileContext& aContext,

			CSIPClientTransaction& aTransaction);

		/**

		* An asynchronous error has occurred in the stack related

		* to the request indicated by the given transaction.

		* Moves profile to "Init" state.

		* @param aContext a profile context

		* @param aError error code

		*/

		void ErrorOccured(

			MSIPProfileContext& aContext,

			TInt aError);

		/**

		* Connection state has changed; connection can change to

		* "inactive" state.

		* Moves profile to "Init" state  or

		* In case of UnAvailable connection report error to client and move profile to "Init" state 

		* @param aContext a profile context

		* @param aState indicates the current connection state

		*/

		void ConnectionStateChanged(

			MSIPProfileContext& aContext,

			CSIPConnection::TState aState);

		/**

		* In this state register is always pending.

		* @returns ETrue

		*/

		TBool IsRegisterPending() const;

	private:

	    /**

		* Constructor.

		*/

		CSIPPrflDeregistrationInProgressState(MSIPProfileFSMUser& aUser);

	private: // Data

		CSIPPrflStateBase* iInitState;

		CSIPPrflStateBase* iDeregisterRequestedState;

	};

#endif // CSIPPRFLDEREGISTERATIONINPROGRESSSTATE_H