/*

* Copyright (c) 2004-2009 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:

*

*/

#ifndef _SIPEXSIPCLIENTESTABLISHINGSTATE_H_

#define _SIPEXSIPCLIENTESTABLISHINGSTATE_H_

//  INCLUDES

#include "SIPExSIPStateBase.h"

// FORWARD DECLARATIONS

class CSIPExSIPEngine;

// CLASS DECLARATION

/**

* Reacts to events that are possible in 

* "ClientEstablishing" state.

*/

class CSIPExSIPClientEstablishingState: public CSIPExSIPStateBase

	{

	public:// Constructors and destructor

        /**

        * Two-phased constructor.

        */

		IMPORT_C static CSIPExSIPClientEstablishingState* NewL();

		/**

		* Destructor

		*/

		IMPORT_C virtual ~CSIPExSIPClientEstablishingState();

	public://new functions

		/**

		* Links the states

		* @param aIdleState The "waiting for something to happen" state.

		* @param aClientOfferingState Provisional response to sent invitiation is received from peer.

		*/

		void LinkStates(

			CSIPExSIPStateBase& aIdleState,

			CSIPExSIPStateBase& aClientOfferingState,

			CSIPExSIPStateBase& aEstablishedState );

	public://functions from base class

		/**

		* CancelInviteL

		* Cancel an INVITE sent previously.

		* @param aEngine Reference to Engine object.

		*/

		void CancelInviteL( CSIPExSIPEngine& aEngine );

		/**

		* ResponseReceivedL

		* A SIP response has been received from the network.

		* @param aEngine Reference to Engine object.

		* @param aTransaction Contains response elements.

		*/

		void ResponseReceivedL( CSIPExSIPEngine& aEngine,

								CSIPClientTransaction& aTransaction );

	private:

	    /**

		* C++ default constructor.

		*/

		CSIPExSIPClientEstablishingState();

	private://data members

		CSIPExSIPStateBase* iIdleState;

		CSIPExSIPStateBase* iClientOfferingState;

		CSIPExSIPStateBase* iEstablishedState;

	};

#endif // _SIPEXSIPCLIENTESTABLISHINGSTATE_H_