/*

* Copyright (c) 2005-2006 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:   Provide interface for the client requestin availability class.

*

*/

#include "musavainviteresponder.h"

#include "musavainviteresponderobserver.h"

#include "muslogger.h"

#include <e32cmn.h>

#include <sipresponseelements.h>

#include <sipmessageelements.h>

#include <sipstrings.h>

#include <siptransactionbase.h>

#include <sipheaderbase.h>

#include <sipservertransaction.h>

const TUint KMUSAVA486 = 486; // Busy

const TUint KMUSAVA603 = 603; // Decline/Reject

_LIT8( KMusAvaStatusBusy, "Busy Here" );

_LIT8( KMusAvaStatusDecline, "Decline" );

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

//  Two-phased constructor.

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

//

CMusAvaInviteResponder* CMusAvaInviteResponder::NewL(

                                CSIPServerTransaction* aTransaction,

                                MMusAvaInviteResponderObserver& aObserver )

    {

    MUS_LOG( "mus: [MUSAVA]  -> CMusAvaInviteResponder::NewL()" )

    CMusAvaInviteResponder* self = CMusAvaInviteResponder::NewLC(

                                                aTransaction,

                                                aObserver );

    CleanupStack::Pop( self );

    MUS_LOG( "mus: [MUSAVA]  <- CMusAvaInviteResponder::NewL()" )

    return self;

    }

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

//  Destructor.

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

//

CMusAvaInviteResponder::~CMusAvaInviteResponder()

    {

    MUS_LOG( "mus: [MUSAVA]  -> CMusAvaInviteResponder::~CMusAvaInviteResponder()" )

    delete iTransaction;

    MUS_LOG( "mus: [MUSAVA]  <- CMusAvaInviteResponder::~CMusAvaInviteResponder()" )

    }

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

//  Two-phased constructor.

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

//

CMusAvaInviteResponder* CMusAvaInviteResponder::NewLC(

                                CSIPServerTransaction* aTransaction,

                                MMusAvaInviteResponderObserver& aObserver )

    {

    MUS_LOG( "mus: [MUSAVA]  -> CMusAvaInviteResponder::NewLC()" )

    CMusAvaInviteResponder* self = new( ELeave ) CMusAvaInviteResponder(

                                                        aTransaction,

                                                        aObserver );

    CleanupStack::PushL( self );

    MUS_LOG( "mus: [MUSAVA]  <- CMusAvaInviteResponder::NewLC()" )

    return self;

    }

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

//  Constructor.

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

//

CMusAvaInviteResponder::CMusAvaInviteResponder(

                                CSIPServerTransaction* aTransAction,

                                MMusAvaInviteResponderObserver& aObserver )

    : iObserver( aObserver ), iTransaction( aTransAction )

    {

    MUS_LOG( "mus: [MUSAVA]  -> CMusAvaInviteResponder::CMusAvaInviteResponder()" )

    MUS_LOG( "mus: [MUSAVA]  <- CMusAvaInviteResponder::CMusAvaInviteResponder()" )

    }

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

//

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

//

void CMusAvaInviteResponder::AnswerL()

    {

    if( iObserver.ApplicationState()  ==

        MMusAvaSettingsObserver::EApplicationIsRunning )

        {

        SendResponseL( KMUSAVA486, KMusAvaStatusBusy );

        }

    else

        {

        SendResponseL( KMUSAVA603, KMusAvaStatusDecline );

        }

    }

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

// Send response to request.

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

void CMusAvaInviteResponder::SendResponseL( TUint aStatusCode,

                                            const TDesC8& aReasonPhrase )

    {

    MUS_LOG( "mus: [MUSAVA] -> CMusAvaInviteResponder::SendResponseL()" )

    MUS_LOG1( "mus: [MUSAVA]     aStatusCode == <%d>", aStatusCode )

    RStringF responseString = SIPStrings::Pool().OpenFStringL( aReasonPhrase );

    CleanupClosePushL( responseString );

    CSIPResponseElements* respElem =

        CSIPResponseElements::NewL( aStatusCode, responseString );

    CleanupStack::PopAndDestroy(); //responseString

    CleanupStack::PushL( respElem );

    ResponseL( respElem );

    CleanupStack::Pop( respElem );

    MUS_LOG( "mus: [MUSAVA]  <- CMusAvaInviteResponder::SendResponseL()" )

    }

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

// Returns response status.

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

TBool CMusAvaInviteResponder::ResponseComplete()

    {

	MUS_LOG( "mus: [MUSAVA]	-> CMusAvaInviteResponder::ResponseComplete()" )

	TBool res = EFalse;

	CSIPTransactionBase::TState state = CSIPTransactionBase::ETerminated;

	TRAPD( err, state = iTransaction->StateL() );

	if( err != KErrNone ) 

		{

		MUS_LOG1( "mus: [MUSAVA]	   serverTran.StateL, err #%d", err )

		return res;

		}

	if ( state == CSIPTransactionBase::ECompleted || 

		 state == CSIPTransactionBase::EConfirmed || 

		 state == CSIPTransactionBase::ETerminated && 

	     iTransaction->ResponseAllowed() )	

	    {

	    res = ETrue;

	    }

	MUS_LOG( "mus: [MUSAVA]	<- CMusAvaInviteResponder::ResponseComplete()" )

	return res;

    }

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

// Send Response to reques.

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

void CMusAvaInviteResponder::ResponseL(

                                CSIPResponseElements* aResponseElements )

    {

    MUS_LOG( "mus: [MUSAVA]  -> CMusAvaInviteResponder::ResponseL" )

    CSIPServerTransaction& serverTran =

        static_cast<CSIPServerTransaction&>( *iTransaction );

    if ( iTransaction->IsSIPClientTransaction() )

        {

        User::Leave( KErrNotReady );

        }

    else if ( ( serverTran.StateL() == CSIPTransactionBase::ETrying ||

         serverTran.StateL() == CSIPTransactionBase::EProceeding ) &&

         serverTran.ResponseAllowed() )

        {

        MUS_LOG( "   Send response" )

        serverTran.SendResponseL( aResponseElements );

        }

    else

        {

        User::Leave( KErrNotReady );

        MUS_LOG( "mus: [MUSAVA]  Not allow to sent response " )

        MUS_LOG( "mus: [MUSAVA]  <- CMusAvaInviteResponder::ResponseL" )

        }

    }