/*

* 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:    MO refer is sent and waiting for response.

*

*/

// INCLUDE FILES

#include <sipresponseelements.h>

#include <sipcseqheader.h>

#include <sipsubscribedialogassoc.h>

#include "mceeventrefermoestablishingstate.h"

#include "mcesipeventhelper.h"

#include "mcesip.h"

#include "mceeventslogs.h"

// ============================= LOCAL FUNCTIONS ===============================

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

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

// CMceEventReferMoEstablishingState::CMceEventReferMoEstablishingState

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CMceEventReferMoEstablishingState::CMceEventReferMoEstablishingState()

    {

    }

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

// CMceEventReferMoEstablishingState::~CMceEventReferMoEstablishingState

// Destructor

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

//

CMceEventReferMoEstablishingState::~CMceEventReferMoEstablishingState()

    {

    }

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

// CMceEventReferMoEstablishingState::ProcessReferStateL

// Ápply concrete state.

// Be noticed that it will be also update, unRefer

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

//

void CMceEventReferMoEstablishingState::HandleL( CMceComEvent& /*aEvent*/ )

    {

    User::Leave( KMceEventStateError );

    }

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

// CMceEventReferMoEstablishingState::HandleReceiveRequestL

// Ápply concrete state.

// Be noticed that it will be also update, unRefer

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

//

void CMceEventReferMoEstablishingState::HandleReceiveRequestL(

												CMceComEvent& aEvent )

	{

	MCEEVENTS_DEBUG("CMceEventReferMoEstablishingState::HandleReceiveRequestL, Entry");

	User::LeaveIfError( aEvent.SIPEvent().Dialog() ?

        KErrNone : KMceEventStateError );

	CSIPServerTransaction& serverTran = aEvent.SIPEvent().Request();

	CSIPServerTransaction* serverTranCheck = &serverTran;

    User::LeaveIfError( serverTranCheck ? KErrNone : KMceEventStateError );

    User::LeaveIfError( serverTran.RequestElements() ? KErrNone : KErrCorrupt );	    		 

	//Received Notify  form Mt

	//Receiving Notify and Send 200

	//Check the Notify Subscription state so knows which state should go

	//Observer inform the notify received, and Established

	const CSIPMessageElements& msgElem = 

	    serverTran.RequestElements()->MessageElements();

    CSIPResponseElements* response = 

        MCESIPEventHelper::ReferNotifyRequestReceivedLC( aEvent, msgElem );

    if ( response->StatusCode() == KMceSipOK )

    	{

        CDesC8Array* headers = MceSip::UserHeadersToTextArrayL( 

                                    serverTran, 

                                    aEvent.SIPEvent().Dialog()->Dialog() );

        CleanupStack::PushL( headers );

        HBufC8* contenttype = NULL;

        if( msgElem.ContentType() )

    	    {

    	    contenttype= msgElem.ContentType()->ToTextValueL();

    	    }

        CleanupStack::PushL( contenttype );

        HBufC8* content = msgElem.Content().AllocLC();

    	aEvent.SIPEvent().NotifyReceivedL( headers,

    			    					   contenttype,

    									   content );

        CleanupStack::Pop( content );

        CleanupStack::Pop( contenttype );

        CleanupStack::Pop( headers );

        serverTran.SendResponseL( response );

        CleanupStack::Pop( response );		

        TBool terminated = EFalse;        

        MCESIPEventHelper::HandleSubscriptionStateHeaderL( msgElem, terminated );

        if ( terminated )

            {

            // when the subscription state is terminated

            //receive notify send 200 OK

            //if we sent notify in terminating,if not should go terminated state

            aEvent.EventContext().SetCurrentStateL( 

                                            aEvent, 

                                            KMceTerminatedEventStateIndex );

            aEvent.SIPEvent().ClientStateChangedL(

                                                CMceEvent::ETerminated,

                                                EFalse );        

            }

        else

            {

            //when subscription state is active

            aEvent.EventContext().SetCurrentStateL( 

                                            aEvent, 

                                            KMceEstablishedEventStateIndex );

            }      

      	}

    else

      	{

        //when the notify request is bad, state doesnt change

        serverTran.SendResponseL( response );

        CleanupStack::Pop( response );

        }

	MCEEVENTS_DEBUG("CMceEventReferMoEstablishingState::HandleResponseReceivedL, Exit");        

	}

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

// CMceEventReferMoEstablishingState::HandleResponseReceivedL

// Ápply concrete state.

// Be noticed that it will be also update, unRefer

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

//	

void CMceEventReferMoEstablishingState::HandleResponseReceivedL(

														CMceComEvent& aEvent)

	{

	MCEEVENTS_DEBUG("CMceEventReferMoEstablishingState::HandleResponseReceivedL, Entry");

	CSIPClientTransaction& clientTran = aEvent.SIPEvent().Response();

	CSIPClientTransaction* clientTranCheck = &clientTran;

	User::LeaveIfError( clientTranCheck ? KErrNone : KMceEventStateError );

    const CSIPResponseElements* response = clientTran.ResponseElements();

    User::LeaveIfError( response ? KErrNone : KErrCorrupt );

    //Checking if getting the error after sending the Refer

	User::LeaveIfError( aEvent.PreviousAction() == EMceItcReferEvent ?

	    KErrNone : KMceEventStateError );

    aEvent.SetPreviousAction( KErrNotFound ); 

    TUint statusCode = response->StatusCode();

    if ( statusCode >= KMceSipOK )

		{

		// Store the CSeq header value

		const CSIPCSeqHeader* cSeq = response->CSeqHeader();

		User::LeaveIfError( cSeq ? KErrNone : KErrCorrupt );

		aEvent.SetIdValue( cSeq->Seq() );

		TMceEventStateIndex nextState = KMceEstablishedEventStateIndex;

        CMceRefer::TState nextObsState = CMceRefer::EAccepted;

        TBool isResponse = ETrue;

        if ( statusCode < KMceSipMultipleChoices )

            {

            if ( aEvent.ReferType() != CMceRefer::ENoSuppression )

                {

                // For suppressed refer, first notify established state

                aEvent.SIPEvent().ClientStateChangedL( nextObsState, isResponse );

                isResponse = EFalse;

                }

            if ( aEvent.ReferType() == CMceRefer::ENoSuppression )

                {

                // next state is established

                nextObsState = CMceRefer::EAccepted;

                nextState = KMceEstablishedEventStateIndex;

                }

            else if ( aEvent.ReferType() == CMceRefer::ESuppressed 

                && ( MCESIPEventHelper::

                ResolveReferTypeL( response->MessageElements() )

                == CMceRefer::ENoSuppression ) )

                {

                // Remote end did not understand suppression.

                // Notify terminated state and suppress subscription

                // silently.

                aEvent.SetSilentSuppressionOn();

                nextObsState = CMceRefer::ETerminated;

                nextState = KMceEstablishedEventStateIndex;

        	    }

            else

                {

                // suppressed, next state is terminated 

                nextObsState = CMceRefer::ETerminated; 

                nextState = KMceTerminatedEventStateIndex;

                }

            }

        else 

            {

            nextObsState = CMceRefer::ETerminated; 

            nextState = KMceTerminatedEventStateIndex;

            }

        aEvent.SIPEvent().ClientStateChangedL( nextObsState, isResponse );

        aEvent.EventContext().SetCurrentStateL( aEvent, nextState );

        }

	MCEEVENTS_DEBUG("CMceEventReferMoEstablishingState::HandleResponseReceivedL, Exit");        

	}

//  End of File