// Copyright (c) 2007-2009 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:

// Name        : sipprflderegisterrequestedstate.cpp

// Part of     : sip profile fsm

// implementation

//

// INCLUDE FILES

#include	"sipprflderegisterrequestedstate.h"

#include	"sipregistrationbinding.h"

#include	"sipclienttransaction.h"

#include	"sipprofileagentobserver.h"

#include    "sipprofilefsmuser.h"

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

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

// CSIPPrflDeregisterRequestedState::NewL()

// (other items were commented in a header).

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

//

EXPORT_C CSIPPrflDeregisterRequestedState* 

CSIPPrflDeregisterRequestedState::NewL(MSIPProfileFSMUser& aUser)

	{

	return new (ELeave) CSIPPrflDeregisterRequestedState(aUser);

	}

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

// CSIPPrflDeregisterRequestedState::CSIPPrflDeregisterRequestedState()

// (other items were commented in a header).

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

//

CSIPPrflDeregisterRequestedState::CSIPPrflDeregisterRequestedState(

    MSIPProfileFSMUser& aUser)

    : CSIPPrflStateBase(aUser,MSIPProfileContext::EDeregisterRequested)

	{

	}

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

// CSIPPrflDeregisterRequestedState::~CSIPPrflDeregisterRequestedState()

// (other items were commented in a header).

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

//

EXPORT_C CSIPPrflDeregisterRequestedState::~CSIPPrflDeregisterRequestedState()

	{

	}

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

// CSIPPrflDeregisterRequestedState::LinkStates()

// (other items were commented in a header).

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

//

EXPORT_C void CSIPPrflDeregisterRequestedState::LinkStates(

	CSIPPrflStateBase& aInitState,

	CSIPPrflStateBase& aRegisteredState,

	CSIPPrflStateBase& aDeregistrationInProgressState)

	{

	iInitState = &aInitState;

	iRegisteredState = &aRegisteredState;

	iDeregistrationInProgressState = &aDeregistrationInProgressState;

	}

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

// CSIPPrflDeregisterRequestedState::ConcreteProfileState()

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

//

CSIPConcreteProfile::TStatus 

CSIPPrflDeregisterRequestedState::ConcreteProfileState() const

    {

    return CSIPConcreteProfile::EUnregistrationInProgress;

    }

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

// CSIPPrflDeregisterRequestedState::Deregister()

// (other items were commented in a header).

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

//

void CSIPPrflDeregisterRequestedState::RegisterL(

	MSIPProfileContext& aContext)

	{

	__ASSERT_DEBUG(aContext.Profile()!=0, User::Invariant());

	aContext.SetNextState(*iRegisteredState);

	}

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

// CSIPPrflDeregisterRequestedState::ErrorOccured()

// This can happen if the de-register was reguested while the connection is

// suspended (registered->de-register requested). SIP stack has removed

// the registration binding, so NOP and transition to Init state.

// (other items were commented in a header).

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

//

void CSIPPrflDeregisterRequestedState::ErrorOccured(

	MSIPProfileContext& aContext,

	TInt aError)

	{

	//registration was dropped due to the expired refresh while connection is suspended

	HandleError(aContext, aError, iInitState);

	}

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

// CSIPPrflDeregisterRequestedState::ConnectionStateChanged()

// (other items were commented in a header).

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

//

void CSIPPrflDeregisterRequestedState::ConnectionStateChanged(

	MSIPProfileContext& aContext,

	CSIPConnection::TState aState)

	{

	__ASSERT_DEBUG(aContext.Registration()!=0, User::Invariant());

	__ASSERT_DEBUG(aContext.Profile()!=0, User::Invariant());

	switch(aState)

		{

		case CSIPConnection::EActive:

			{

			aContext.SetNextState(*iRegisteredState);

			TRAPD(err, iUser.DeregisterProfileL(*aContext.Profile()));

			if (err)

				{

				HandleError(aContext, err, iInitState);

				}

			break;

			}

		case CSIPConnection::EInactive:

			{

			TUint32 contextId(0);

			CSIPConcreteProfile& profile = DoCleanup(aContext,contextId);

			aContext.SetNextState(*iInitState);

			aContext.AgentObserver().SIPProfileStatusEvent(profile,contextId);

			break;

			}

		/* When State EUnavailable is received, the registration Binding in the SIPStack 

		 * is no longer present. Hence we have to do the cleanup here and propagate the 

		 * error back to clients of profiles.

		 */

		case CSIPConnection::EUnavailable:

			{

			HandleError(aContext, KErrCouldNotConnect, iInitState);

			break;

			}

		default:

			break;

		}

	}