/*

* 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 TMCEMEDIANEGOTIATED_H

#define TMCEMEDIANEGOTIATED_H

#include "mcemediastate.h"

/**

*  Represents MM negotiated state 

*

*/

class TMceMediaNegotiated : public TMceMediaState

    {

private: // substates

    /**

    *  Represents MM negotiated sub state idle

    *

    */

    class TMceEndState : public TMceMediaState

        {

        public:

            static void SetAsCurrentStateL( CMceComSession& aSession );

            void Callback();

            TBool NeedToNegotiate( CSdpDocument* aSdpDocument );

            CSdpDocument* EncodeL();

            void UpdateL();

            inline TMceMMState Id() 

                {

                return KMceMediaNegotiated;

                }

            TMceSipWarningCode DecodeL( CSdpDocument& aSdpDocument );

            TMceMediaState* CloneL( CMceComSession& aSession ) const;

        protected:            

            TMceEndState( CMceComSession& aSession );

        };

    /**

    *  Represents negotiated sub state where answer is ready to be encoded

    *

    */

    class TMceAnswererWaitingAnswerState : public TMceEndState

        {

        public:

            static void SetAsCurrentStateL( CMceComSession& aSession );

            CSdpDocument* EncodeL();

            TBool NeedToNegotiate( CSdpDocument* aSdpDocument );

        protected:            

            TMceAnswererWaitingAnswerState( CMceComSession& aSession );

        };

    /**

    *  Represents negotiated sub state where answer is ready to be encoded

    *

    */

    class TMceAnswererEndState : public TMceEndState

        {

        public:

            static void SetAsCurrentStateL( CMceComSession& aSession );

            TMceSipWarningCode DecodeL( CSdpDocument& aSdpDocument );

            void UpdateL();

        protected:            

            TMceAnswererEndState( CMceComSession& aSession );

        };

public: // Constructors

    static void SetAsCurrentStateL( CMceComSession& aSession,

                                    TMceNegotiationRole aRole );

    /**

    * Consructor

    */

    TMceMediaNegotiated( CMceComSession& aSession );

public: // from TMceMediaState

    inline TMceMMState Id() 

        {

        return KMceMediaNegotiated;

        }

public: // from TMceMediaState

    TMceSipWarningCode DecodeL( CSdpDocument& aSdpDocument );

    void UpdateL();

private: 

    void OfferL();

    void AnswerL();

private: 

    	MCEMM_UT_DEFINITIONS

    	friend class UT_CMceSdpSession;

    };

#endif//TMCEMEDIANEGOTIATED_H

// End of File