/*

* Copyright (c) 2008 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:  Class handling the use of Cch

*

*/

// INCLUDE FILES

#include <e32def.h>

#include <cchserver.h>

#include <cchclient.h>

#include <spsettings.h>

#include <spproperty.h>

#include "cimcvenginefactory.h"

#include "cimcvenginecchhandler.h"

#include "imcvuiliterals.h"

#include "imcvlogger.h"

// CONSTANTS

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

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

// CIMCVEngineCchHandler::CIMCVEngineCchHandler

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

// 

CIMCVEngineCchHandler::CIMCVEngineCchHandler(TUint aServiceId, 

											 CIMCVEngine& aEngine)

: iServiceId(aServiceId),

iEngine(aEngine)

    {        

    }

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

// CIMCVEngineCchHandler::ConstructL

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

// 

void CIMCVEngineCchHandler::ConstructL(  )

    {

    // Create service selection here

	iCchClient = CCch::NewL();

	if (iCchClient)

		{		

		CCchService* service = iCchClient->GetService( iServiceId );	

		if( service )

			{

			service->SetObserver( *this );		

			}

    }

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

// CIMCVEngineCchHandler::NewL

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

// 

CIMCVEngineCchHandler* 

    CIMCVEngineCchHandler::NewL( TUint aServiceId, CIMCVEngine& aEngine )

    {

    CIMCVEngineCchHandler* self = NewLC(aServiceId, aEngine);

    CleanupStack::Pop(self);

    return self;

    }

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

// CIMCVEngineCchHandler::NewLC

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

// 

CIMCVEngineCchHandler* 

    CIMCVEngineCchHandler::NewLC(TUint aServiceId, CIMCVEngine& aEngine )

    {

    CIMCVEngineCchHandler* self =

        new (ELeave) CIMCVEngineCchHandler(aServiceId, aEngine);

    CleanupStack::PushL(self);

    self->ConstructL( );

    return self;

    }

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

// CIMCVEngineCchHandler::~CIMCVEngineCchHandler

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

// 

CIMCVEngineCchHandler::~CIMCVEngineCchHandler()

    {

	if(iCchClient)

    	{

    	CCchService* service = iCchClient->GetService( iServiceId );

    	if( service )

			{

			service->RemoveObserver();

			}    	

    	delete iCchClient; 	

    	}

    }

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

// CIMCVEngineCchHandler::GetServiceState

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

// 

TInt CIMCVEngineCchHandler::GetServiceState(

									TCCHSubserviceState& aCCHState

									)

    {

   	TInt err = KErrNone;

   	CCchService* service = iCchClient->GetService( iServiceId );

   	TCchServiceStatus status;

	status.SetState(ECCHUninitialized);

	if( service )

		{

		// Get status from the client

		err = service->GetStatus( ECCHIMSub, status );

		}		

    aCCHState = status.State();

	return err;   	

    }

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

// CIMCVEngineCchHandler::EnableService

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

// 

TInt CIMCVEngineCchHandler::EnableService()

    {

    // Retrieve service interface from the CCH client to be used to

	// enable aServiceType

	CCchService* service = iCchClient->GetService( iServiceId );

	//Allowing Connectivity Dialogs for cch

    iCchClient->SetConnectivityDialogsAllowed( ETrue );

	// By default set to fault value; if service pointer is valid then we

	// return the disable value, otherwise we return KErrNotFound

	TInt error = KErrNotFound;

	if( service )

		{		

		error = service->Enable( ECCHUnknown );

		}

	return error;    

    }

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

// CIMCVEngineCchHandler::GetAdapterUidL()

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

//

TInt CIMCVEngineCchHandler::GetAdapterUidL()

    {

    TInt ret = KErrNotFound;

    CSPProperty* property = CSPProperty::NewLC();

    CSPSettings* settings = CSPSettings::NewLC();

    TInt err = settings->FindPropertyL( iServiceId,

            EPropertyPCSPluginId,*property );   

    if (KErrNone == err)

        {

        property->GetValue( ret );

        }

    CleanupStack::PopAndDestroy( settings );

    CleanupStack::PopAndDestroy( property );

    return ret;

    }

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

// CIMCVEngineCchHandler::GetUserIdL

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

// 

HBufC* CIMCVEngineCchHandler::GetUserIdL()

    {

    HBufC* temp = NULL;

    CCchService* service = iCchClient->GetService( iServiceId );

    // By default set to fault value; if service pointer is valid then we

    // return the disable value, otherwise we return KErrNotFound

    TInt error = KErrNotFound;

    if( service )

       {                  

       RBuf username;

       username.Create(KMAXUSERIDLENGTH);

       CleanupClosePushL( username ); 

       error = service->GetConnectionParameter(ECCHIMSub,ECchUsername,username);

       User::LeaveIfError( error);

       if( username.Length() > 0)

          {

          temp = username.AllocL(); // ownership transferred 

          }       

       CleanupStack::PopAndDestroy( &username );

      }

    return temp;        

    }

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

// CIMCVEngineCchHandler::DisableService

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

// 

TInt CIMCVEngineCchHandler::DisableService()

    {

    // Retrieve service interface from the CCH client to be used to

	// enable aServiceType

	CCchService* service = iCchClient->GetService( iServiceId );

	// By default set to fault value; if service pointer is valid then we

	// return the disable value, otherwise we return KErrNotFound

	TInt error = KErrNotFound;

	if( service )

		{

		error = service->Disable( ECCHUnknown );

		}

	return error;    

    }

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

// CIMCVEngineCchHandler::IsServiceLoggedIn

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

//        

TBool CIMCVEngineCchHandler::IsServiceLoggedIn()

	{	

	TCCHSubserviceState serviceState = ECCHUninitialized;

	TInt error = GetServiceState( serviceState ); 

	if ( !error && ECCHEnabled == serviceState )

	    {

	    return ETrue;	

	    }

	return EFalse;	    

	}

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

// CIMCVEngineCchHandler::ServiceStatusChanged

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

//

void CIMCVEngineCchHandler::ServiceStatusChanged(

				TInt aServiceId,

				const TCCHSubserviceType aType,

				const TCchServiceStatus& aServiceStatus )

	{	

	TRAP_IGNORE(DoHandleServiceStatusChangedL(aServiceId, aType, aServiceStatus));

	} 

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

// CIMCVEngineCchHandler::DoHandleServiceStatusChanged

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

//

void CIMCVEngineCchHandler::DoHandleServiceStatusChangedL(

				TInt aServiceId,

				const TCCHSubserviceType aType,

				const TCchServiceStatus& aServiceStatus )

	{

    IM_CV_LOGS(TXT("CVEngineCCHHnadler::DoHandleServiceStatusChangedL ") );   

	if (aType == ECCHPresenceSub)

		{

		/* SIP Adaptation -- sends error in Network Lost. This is added so that once we get it, we will unbindL and delete the context

		 * This happens only in case of SIP as it does not send the event in IM Subservice.

		 */

		if (aServiceStatus.Error() && ECCHDisabled != aServiceStatus.State())

			{

				iEngine.ReleaseConnectionL ();

				iEngine.DeleteContextL ();

			}

		} 

	else if (aType == ECCHIMSub)

		{

		MIMCVEngineCCHObserver::TServiceState notifyEvent = 

									MIMCVEngineCCHObserver::ENotLoggedIn;

		switch (aServiceStatus.State())

			{

			case ECCHUninitialized:

				{

				//Nothing to be done			

				break;	

				}

			case ECCHDisabled:

				{

				iEngine.ReleaseConnectionL();

				iEngine.DeleteContextL ();

				break;	

				}

			case ECCHConnecting:

				{

				notifyEvent = MIMCVEngineCCHObserver::EConnecting;

				break;	

				}

			case ECCHEnabled:

				{

				notifyEvent = MIMCVEngineCCHObserver::ELogin;

				iEngine.CreateContextL();

				break;	

				}

			case ECCHDisconnecting:

				{

				// If NetworkErrorLost error is received by CCH on this state, then do not close all chats

				// as user would loose all the on-going conversation when the network connection is

				notifyEvent = MIMCVEngineCCHObserver::EDisconnecting;

				break;	

				}

			default:

				{

				break;	

				}

			}

		if (iObserver)

			{

			iObserver->ServiceStatusChanged( aServiceId,     								   

                                 notifyEvent );

			}

		}	        

	} 

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

// CIMCVEngineCchHandler::RegisterObserver

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

//	

void CIMCVEngineCchHandler::RegisterObserver(MIMCVEngineCCHObserver* aObserver)

	{

	if (aObserver)

		{

		iObserver = aObserver;

		}

	}

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

// CIMCVEngineCchHandler::UnRegisterObserver

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

//

void CIMCVEngineCchHandler::UnRegisterObserver()

	{

	iObserver = NULL;	

	}

// End of file