/*

* 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        : sipprflderegisterrequestedstate.h

* Part of     : sip profile fsm 

*

*/

/**

 @internalComponent

*/

#ifndef CSIPPRFLDEREGISTERREQUESTEDSTATE_H

#define CSIPPRFLDEREGISTERREQUESTEDSTATE_H

//  INCLUDES

#include "sipprflstatebase.h"

// FORWARD DECLARATIONS

class MSIPProfileContext;

// CLASS DECLARATION

/**

* Reacts to events that are possible in "Deregister Requested" state. 

* Profile is in this state if deregistration was requested and 

* connection was suspended.

*/

class CSIPPrflDeregisterRequestedState: public CSIPPrflStateBase

	{

	public:// Constructors and destructor		   

        /**

        * Two-phased constructor.

        * @param aUser user for the state machine

        */

		IMPORT_C static CSIPPrflDeregisterRequestedState* NewL(

		    MSIPProfileFSMUser& aUser);

        /**

        * Destructor

        */

		IMPORT_C ~CSIPPrflDeregisterRequestedState();

	public://new functions

		/**

		* Links the states

		* @param aInitState "Init" state

		* @param aRegisteredState "Registered" state

		* @param aDeregistrationInProgressState "Deregistration in Progress" state

		*/

		IMPORT_C void LinkStates(

			CSIPPrflStateBase& aInitState,

			CSIPPrflStateBase& aRegisteredState,

			CSIPPrflStateBase& aDeregistrationInProgressState);

	public://functions from base class

		CSIPConcreteProfile::TStatus ConcreteProfileState() const;

		/**

		* Moves back the profile to "Registered" state

		* @param aContext a profile context

		*/

		void RegisterL(

			MSIPProfileContext& aContext);

		/**

		* Indicates that refresh failed during the

		* suspended connection. Moves profile to "Init" state.

		* @param aContext a profile context

		* @param aError an error

		*/

		void ErrorOccured(

			MSIPProfileContext& aContext,

			TInt aError);

		/**

		* Connection state has changed.

		* Moves profile to "Init" state in case of inactive connection or to 

		* "Deregistration In Progress" state in case of active connection.

		* @param aContext a profile context

		* @param aState indicates the current connection state

		*/

		void ConnectionStateChanged(

			MSIPProfileContext& aContext,

			CSIPConnection::TState aState);	

	private:

		CSIPPrflDeregisterRequestedState(MSIPProfileFSMUser& aUser);

	private: // Data

		CSIPPrflStateBase* iInitState;

		CSIPPrflStateBase* iRegisteredState;

		CSIPPrflStateBase* iDeregistrationInProgressState;

	};

#endif // CSIPPRFLDEREGISTERREQUESTEDSTATE_H