/*

* 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 TMCEOFFERINGMEDIA_H

#define TMCEOFFERINGMEDIA_H

#include "mcemediastate.h"

#include "mcesdpsession.h"

class CMCCCodecInformationFactory;

const TBool KFromSubstate = ETrue;

/**

*  Represents MM offering state 

*

*/

class TMceOfferingMedia : public TMceMediaState

    {

public: // substates

    /**

    *  Represents MM offering sub state where media is ready for offer

    *

    */

    class TMceMediaReady : public TMceMediaState

        {

        public:

            static void SetAsCurrentStateL( 

                    CMceComSession& aSession );

            inline TMceMMState Id() 

                {

                return KMceOfferingMedia;

                }

            void Callback();

            CSdpDocument* EncodeL();

        protected:            

            TMceMediaReady( CMceComSession& aSession );

        };

    /**

    *  Represents MM offering sub state where media update is ready for offer

    *

    */

    class TMceMediaUpdateReady : public TMceMediaReady

        {

        public:

            static void SetAsCurrentStateL( CMceComSession& aSession );

            CSdpDocument* EncodeL();

            TBool NeedToNegotiate( CSdpDocument* aSdpDocument = NULL );

        protected:            

            TMceMediaUpdateReady( CMceComSession& aSession );

        };

    /**

    *  Represents MM offering sub state where media waiting answer

    *

    */

    class TMceWaitingAnswer : public TMceMediaState

        {

        public:

            static void SetAsCurrentStateL( CMceComSession& aSession );

            inline TMceMMState Id() 

                {

                return KMceOfferingMedia;

                }

            TMceMediaState* CloneL( CMceComSession& aSession ) const;

            TMceSipWarningCode DecodeL( CSdpDocument& aSdpDocument );

            TBool NeedToNegotiate( CSdpDocument* aSdpDocument = NULL );

        protected:            

            TMceWaitingAnswer( CMceComSession& aSession );

        };

public: // Constructors

    static void SetAsCurrentStateL( CMceComSession& aSession, TBool aFromSubstate = EFalse );

public: // from TMceMediaState

    inline TMceMMState Id() 

        {

        return KMceOfferingMedia;

        }

public: // from TMceMediaState

    void UpdateL();

protected:

    void SetAsCurrentStateL( TMceOfferingMedia::TMceWaitingAnswer& aSubState );

    /**

    * Consructor

    */

    TMceOfferingMedia( CMceComSession& aSession );

    };

#endif//TMCEOFFERINGMEDIA_H

// End of File