/*

* 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:  

*

*/

#include "mcemediaidle.h"

#include "mcepreparingoffererstreams.h"

#include "mceansweringmedia.h"

#include "mcecomsession.h"

#include "mcesdpsession.h"

#include "mcemmlogs.h"

// -----------------------------------------------------------------------------

// TMceMediaIdle::SetAsCurrentStateL

// -----------------------------------------------------------------------------

//

void TMceMediaIdle::SetAsCurrentStateL( CMceComSession& aSession )

    {

    MCEMM_DEBUG("TMceMediaIdle::SetAsCurrentStateL() ");

    TMceMediaIdle*

        self = new (ELeave) TMceMediaIdle( aSession );

    CleanupStack::PushL( self );

    aSession.SetNegotiationStateL( self );

    CleanupStack::Pop( self );

    }

// -----------------------------------------------------------------------------

// TMceMediaIdle::TMceMediaIdle

// -----------------------------------------------------------------------------

//

TMceMediaIdle::TMceMediaIdle ( CMceComSession& aSession )

    : TMceMediaState( aSession )

    {

    }

// -----------------------------------------------------------------------------

// TMceMediaIdle::DecodeL

// -----------------------------------------------------------------------------

//

TMceSipWarningCode TMceMediaIdle::DecodeL( CSdpDocument& aSdpDocument )

    {

    MCEMM_DEBUG("TMceMediaIdle::DecodeL(), Entry ");

    SetRole( EMceRoleAnswerer );

    TMceSipWarningCode code = 

        iSession.SdpSession().DecodeOfferL( aSdpDocument, iSession );

    MCEMM_DEBUG("TMceMediaIdle::DecodeL(), Exit ");

    return code;

    }

// -----------------------------------------------------------------------------

// TMceMediaIdle::UpdateL

// -----------------------------------------------------------------------------

//

void TMceMediaIdle::UpdateL()

    {

    MCEMM_DEBUG("TMceMediaIdle::UpdateL(), Entry ");

    if ( iRole == EMceRoleOfferer )

        {

        OfferL();

        }

    else

        {

        AnswerL();

        }

    MCEMM_DEBUG("TMceMediaIdle::UpdateL(), Exit ");

    }

// -----------------------------------------------------------------------------

// TMceMediaIdle::OfferL

// -----------------------------------------------------------------------------

//

void TMceMediaIdle::OfferL()

    {

    MCEMM_DEBUG("TMceMediaIdle::OfferL(), Entry ");

    // for all streams requested, copy bound stream information and validate

    iSession.PrepareL();

    // create mcc streams structure

    iSession.PrepareL( iSession.SdpSession().Manager() );

    //prepare all inactive streams for offer

    TMceSrvStreamIterator streams( iSession.MccStreams() );

    CMceSrvStream* stream = NULL;

    while( streams.Next( stream, CMceSrvStream::EInactive ) )

        {

        iSession.SdpSession().Manager().ValidateMccStreamL( *stream );

        MCEMM_DEBUG_STREAM( "TMceMediaIdle::OfferL(): validated inactive stream", *stream );

        }

    //set next state, this state will become unusable

    TMcePreparingOffererStreams::SetAsCurrentStateL( iSession );

    MCEMM_DEBUG("TMceMediaIdle::OfferL(), Exit ");

    }

// -----------------------------------------------------------------------------

// TMceMediaIdle::AnswerL

// -----------------------------------------------------------------------------

//

void TMceMediaIdle::AnswerL()

    {

    MCEMM_DEBUG("TMceMediaIdle::AnswerL(), Entry ");

    // for all streams requested, copy bound stream information and validate

    iSession.PrepareL();

    // create mcc streams structure

    iSession.PrepareL( iSession.SdpSession().Manager() );

    TMceSrvStreamIterator streams( iSession.MccStreams() );

    CMceSrvStream* stream = NULL;

    while( streams.Next( stream ) )

        {

        iSession.SdpSession().Manager().InitializeMccStreamL( *stream );

        iSession.SdpSession().Manager().ValidateMccStreamL( *stream );

        MCEMM_DEBUG_STREAM( "TMceMediaIdle::AnswerL(): \

initialized & validated stream", *stream );

        }

    //set next state, this state will become unusable

    TMceAnsweringMedia::SetAsCurrentStateL( iSession );

    MCEMM_DEBUG("TMceMediaIdle::AnswerL(), Exit ");

    }