/*

* Copyright (c) 2005 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 CMCESTATEOFFERING_H

#define CMCESTATEOFFERING_H

#include "mcestate.h"

#include "mcesrv.h"

/**

*  Represents MCE server state Offering

*  State transition is performed beacuse of following

*  trigger events:

*    - EMceResponse

*    - EMceProvisionalResponse

*    - EMceRedirectionResponse

*    - EMceErrorResponse

*    - EMceAnswerDecoded

*    - EMceAnswerToUpdateDecoded

*    - EMceItcCancel

*

*/

class CMceStateOffering : public CMceState,

                          public MMCEStateTransitionHandler

	{

public: // Constructors and destructor

	/**

	* Consructor

	*/

	CMceStateOffering ();

	/**

	* Destructor.

	*/

	~CMceStateOffering();

public: // from CMceState

	/**

	* Checks if state accepts event

	* @param aEvent atransition event

	*/

    TBool DoAcceptL( TMceStateTransitionEvent& aEvent );

	/**

	* Reruns transition handler

	* @return transition handler

	*/

    inline MMCEStateTransitionHandler& TransitionHandler() 

        {

        return *this;

        }

public: // from MMCEStateTransitionHandler

	/**

	* Hanldes state transition message and executes

	* necessary actions

	* @param aEvent atransition event

	*/

    void EntryL( TMceStateTransitionEvent& aEvent );

	/**

	* Resolves state to which current state exit

	* @param aEvent atransition event

	*/

    void ExitL( TMceStateTransitionEvent& aEvent );

private://handler routines

    /**

    * Handles entry of EMceUpdate

    * @param aEvent transition event

    */

    void EntryUpdateL( TMceStateTransitionEvent& aEvent );

    /**

    * Handles entry of EMceMediaUpdated

    * @param aEvent transition event

    */

    void EntryMediaUpdatedL( TMceStateTransitionEvent& aEvent );

    /**

	* Handles entry of EMceProvisionalResponse

	* @param aEvent transition event

	*/

    void EntryProvisionalResponseL( TMceStateTransitionEvent& aEvent );

    /**

	* Handles entry of EMceRedirectionResponse

	* @param aEvent transition event

	*/

    void EntryRedirectionResponseL( TMceStateTransitionEvent& aEvent );

    /*

    * handle exit 3xx redirection response

    */

    void ExitRedirectionEventL( TMceStateTransitionEvent& aEvent );

	/**

	* Handles entry of EMceResponse

	* @param aEvent transition event

	*/

    void EntryResponseL( TMceStateTransitionEvent& aEvent );

	/**

	* Handles entry of EMceErrorResponse

	* @param aEvent transition event

	*/

    void EntryErrorResponseL( TMceStateTransitionEvent& aEvent );

	/**

	* Handles entry of EMceItcCancel

	* @param aEvent transition event

	*/

    void EntryCancelL( TMceStateTransitionEvent& aEvent );

	/**

	* Handles entry of EMceAnswerToUpdateDecoded

	* @param aEvent transition event

	*/

    void EntryAnswerToUpdateDecodedL( TMceStateTransitionEvent& aEvent );

    /**

	* Handles entry of EMceBye

	* @param aEvent transition event

	*/

    void EntryByeL( TMceStateTransitionEvent& aEvent );

	/**

	* Handles exit of EMceResponse, EMceErrorResponse, EMceProvisionalResponse

	* @param aEvent transition event

	*/

    void ExitSIPEventL( TMceStateTransitionEvent& aEvent );

    void EntryAnswerToOfferDecodedL( TMceStateTransitionEvent& aEvent );

private:

	TInt iLastResponse;

	TBool iReadyToSendACK;

    MCESRV_UT_DEFINITIONS;

	};

#endif

// End of File