/*

* Copyright (c) 2007 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:  Resolving state implementation.

*

*/

#include <sdpdocument.h>

#include "nspstateresolving.h"

#include "nspevents.h"

#include "nspsession.h"

#include "nspactionset.h"

#include "nspsessiondata.h"

#include "nspdefs.h"

// ======== MEMBER FUNCTIONS ========

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

// CNSPStateResolving::CNSPStateResolving

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

//

CNSPStateResolving::CNSPStateResolving()

    {

    }

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

// CNSPStateResolving::NewL

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

//

CNSPStateResolving* CNSPStateResolving::NewL()

    {

    CNSPStateResolving* self = CNSPStateResolving::NewLC();

    CleanupStack::Pop( self );

    return self;

    }

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

// CNSPStateResolving::NewLC

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

//

CNSPStateResolving* CNSPStateResolving::NewLC()

    {

    CNSPStateResolving* self = new ( ELeave ) CNSPStateResolving;

    CleanupStack::PushL( self );

    return self;

    }

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

// CNSPStateResolving::~CNSPStateResolving

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

//

CNSPStateResolving::~CNSPStateResolving()

    {

    }

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

// CNSPStateResolving::DoAcceptL

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

//

TBool CNSPStateResolving::DoAcceptL( TNSPStateMachineEvent& aEvent )

    {

    User::LeaveIfError(

            TNSPStateMachineEvent::ENat == aEvent.Request() ||

            TNSPStateMachineEvent::EUpdate == aEvent.Request() ||

            TNSPStateMachineEvent::EReservationStatus == aEvent.Request() ||

            TNSPStateMachineEvent::ECloseSession == aEvent.Request() ?

                    KErrNone : KErrArgument );

    return ETrue;

    }

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

// CNSPStateResolving::DoStateEntryL

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

//

void CNSPStateResolving::DoStateEntryL( TNSPStateMachineEvent& aEvent )

    {

    aEvent.Session().Actions().SetRoleL();

    aEvent.Session().Actions().SetOutboundCredentialsL();

    aEvent.Session().Actions().ConnChecksL();

    }

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

// CNSPStateResolving::DoReverse

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

//

void CNSPStateResolving::DoReverse( TNSPStateMachineEvent& /*aEvent*/ )

    {

    }

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

// CNSPStateResolving::DoApplyL

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

//

void CNSPStateResolving::DoApplyL( TNSPStateMachineEvent& aEvent )

    {

    switch( aEvent.Request() )

        {

        case TNSPStateMachineEvent::ENat:

            {

            ControlMediaL( aEvent );

            break;

            }

        case TNSPStateMachineEvent::EUpdate:

            {

            ApplyUpdateL( aEvent );

            break;

            }

        case TNSPStateMachineEvent::EReservationStatus:

            {

            aEvent.Status() = KNatAsync;

            break;

            }

        case TNSPStateMachineEvent::ECloseSession:

            {

            aEvent.Status() = KNatReady;

            break;

            }

        default:

            {

            User::Leave( KErrArgument );

            }

        }

    }

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

// CNSPStateResolving::DoExitL

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

//

void CNSPStateResolving::DoExitL( TNSPStateMachineEvent& aEvent )

    {

    switch( aEvent.Request() )

        {

        case TNSPStateMachineEvent::ENat:

            {

            break;

            }

        default:

            {

            User::Leave( KErrArgument );

            }

        }

    }

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

// CNSPStateResolving::ControlMediaL

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

//

void CNSPStateResolving::ControlMediaL( TNSPStateMachineEvent& aEvent ) const

	{

	TNSPStateMachineMediaEvent& event = MEDIAEVENT( aEvent );

    TNatReturnStatus status = event.Session().Actions().ControlMediaL(

    		event.StreamId(), event.Event(), event.Status(), event.Data() );

    if ( NSP_TRIGGER( status ) )

    	{

    	event.NextState() = KStateIndexActivating;

        event.Status() = KNatAsync;

    	}

    else

    	{

    	event.Status() = status;

    	}

	}

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

// CNSPStateResolving::ApplyUpdateL

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

//

void CNSPStateResolving::ApplyUpdateL( TNSPStateMachineEvent& aEvent ) const

    {

    CNSPSession& session = aEvent.Session();

    CSdpDocument* offer = aEvent.Offer();

    if ( KNatAsync == session.Actions().GetCandidatesL( *offer ) )

        {

        session.Actions().UpdateL();

        }

    aEvent.Status() = KNatAsync;

    }

// end of file