/*

* Copyright (c) 2008-2008 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:  This file contains the implementation of CPEServiceHandling class

*

*/

#include <mpephonemodelinternal.h>

#include <mpedatastore.h>

#include <pevirtualengine.h>

#include <e32debug.h>

#include <talogger.h>

#include "cpeservicehandling.h"

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

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

// Constructor

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

//

CPEServiceHandling::CPEServiceHandling( MPEPhoneModelInternal& aModel )

    : iModel( aModel )

    {

    TEFLOGSTRING( KTAOBJECT, "PE CPEServiceHandling::CPEServiceHandling" );

    }

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

// Constructor

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

//

void CPEServiceHandling::ConstructL()

    {

    TEFLOGSTRING( KTAOBJECT, "PE CPEServiceHandling::ConstructL" );

    }

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

// Constructor

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

//

EXPORT_C CPEServiceHandling* CPEServiceHandling::NewL( MPEPhoneModelInternal& aModel )

    {

    CPEServiceHandling* self = CPEServiceHandling::NewLC(aModel);

    CleanupStack::Pop( self );

    return self;

    }

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

// Constructor

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

//

EXPORT_C CPEServiceHandling* CPEServiceHandling::NewLC( MPEPhoneModelInternal& aModel )

    {

    CPEServiceHandling* self = new( ELeave ) CPEServiceHandling( aModel );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// Destructor

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

//

EXPORT_C CPEServiceHandling::~CPEServiceHandling()

    {

    TEFLOGSTRING( KTAOBJECT, "PE CPEServiceHandling::~CPEServiceHandling" );

    delete iCchClient;

    }

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

// CPEServiceHandling::EnableService

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

//

void CPEServiceHandling::EnableServiceL( TInt aServiceId )

	{

    TEFLOGSTRING( KTAREQIN, "PE CPEServiceHandling::EnableServiceL" );

    if ( !iCchClient )

        {

        iCchClient = CCch::NewL();

        }

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

	TInt error( KErrNotFound );

	if( service )

		{

		iCurrentServiceId = aServiceId;

		TCchServiceStatus serviceStatus;

 		error = service->GetStatus( ECCHVoIPSub, serviceStatus );

		TCCHSubserviceState state = serviceStatus.State();

		if( error == KErrNone )

		    {

		    if ( serviceStatus.Error() == KErrNone )

		        {

		        error = EnableServiceIfNeeded( state, *service );

		        }

		    else

		        {

		        TEFLOGSTRING2( KTAERROR,

		                "PE CPEServiceHandling::EnableServiceL, error: %d"

		                , serviceStatus.Error() );

		        SendErrorMessage( serviceStatus.Error());

		        }

    		}

		}

	if ( error != KErrNone )

	    {

	    if ( error == KErrNotFound )

	         {

	         iModel.SendMessage( MEngineMonitor::EPEMessageNoService );

	         }

	     else

	         {

	         TEFLOGSTRING2( KTAERROR,

	                  "PE CPEServiceHandling::EnableServiceL, Error: %d"

	                  , error );

	         SendErrorMessage( error );

	         }

	    }

	TEFLOGSTRING2( KTAINT, 

            "PE CPEServiceHandling::EnableServiceL, error: %d", error );		

	}

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

// CPEServiceHandling::EnableServiceIfNeeded

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

//

TInt CPEServiceHandling::EnableServiceIfNeeded( 

        const TCCHSubserviceState& aState, 

        CCchService& aService )

    {

    TEFLOGSTRING( KTAINT, "PE CPEServiceHandling::EnableServiceIfNeeded" );

    TInt error = KErrNone;

    TEFLOGSTRING2( KTAINT, 

            "PE CPEServiceHandling::EnableServiceIfNeeded, aState: %d", aState );

    switch ( aState )

        {

        case ECCHEnabled:

            {

            iModel.SendMessage( MEngineMonitor::EPEMessageServiceEnabled );

            }

            break;

        case ECCHUninitialized:

        case ECCHDisabled:

        case ECCHConnecting:

            {

            // Temporary solution, it will be fixed as soon as possible. 

            // Message have to send before enable is called. Reason is so that progress bar 

            //(global note) doesn't hide Networks's "Connection Needed" global note.

            iModel.SendMessage( MEngineMonitor::EPEMessageServiceEnabling );

            aService.AddObserver( *this );

            error = aService.Enable( ECCHUnknown );  

            }

            break;

        case ECCHDisconnecting:

            {

            error = KErrNotFound;

            }

            break;

        default:

            break;

        }

    TEFLOGSTRING2( KTAINT, 

            "PE CPEServiceHandling::EnableServiceIfNeeded, error: %d", error );

    return error;

    }

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

// CPEServiceHandling::ServiceStatusChanged

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

//

void CPEServiceHandling::ServiceStatusChanged(

    TInt aServiceId,

	const TCCHSubserviceType aType,

	const TCchServiceStatus& aServiceStatus )

	{

	TEFLOGSTRING( KTAINT, "PE CPEServiceHandling::ServiceStatusChanged <" );

	if( aServiceId == iCurrentServiceId && aType == ECCHVoIPSub )

	    {

    	TEFLOGSTRING3( KTAINT,

    	        "PE CPEServiceHandling::ServiceStatusChanged, state: %d, error: %d"

    	        , aServiceStatus.State()

    	        , aServiceStatus.Error() );

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

       	if( service )

       	    {

    	    if( aServiceStatus.Error() != KErrNone )

    	        {

    	        TEFLOGSTRING( KTAERROR, 

    	                "PE CPEServiceHandling::ServiceStatusChanged, error" );

    	        SendErrorMessage( aServiceStatus.Error());

    	        CancelServiceEnabling();

    	        }

    	    else 

    	        {

    	        if( aServiceStatus.State() == ECCHEnabled )

    	            {

                    TEFLOGSTRING( KTAINT, 

                             "PE CPEServiceHandling::ServiceStatusChanged, enabled" );

                    iModel.SendMessage( MEngineMonitor::EPEMessageServiceEnabled );

    	            }

    	        // Notify UI, that service is disabled.

    	        else if( aServiceStatus.State() == ECCHDisabled ) 

                     {

                     TEFLOGSTRING( KTAERROR, 

                              "PE CPEServiceHandling::ServiceStatusChanged, disabled" );

                     iModel.SendMessage( MEngineMonitor::EPEMessageServiceDisabled );

                     }

    	        }

    	    // don't remove observer, if state are connecting or disconnecting

    	    if ( aServiceStatus.State() != ECCHConnecting && 

    	         aServiceStatus.State() != ECCHDisconnecting )

    	        {

    	        service->RemoveObserver( *this );

    	        }

       	    }//if( service )

       	else

       	    {

            TEFLOGSTRING( KTAERROR, 

                    "PE CPEServiceHandling::ServiceStatusChanged, no service" );

       	    }

	    }

	TEFLOGSTRING( KTAINT, "PE CPEServiceHandling::ServiceStatusChanged >" );

	}

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

// CPEServiceHandling::CancelServiceEnabling

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

//

void CPEServiceHandling::CancelServiceEnabling() const

    {

    TEFLOGSTRING( KTAREQIN, "PE CPEServiceHandling::CancelServiceEnabling" );

    if ( iCchClient )

        {

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

        if ( service )

            {

            TCchServiceStatus serviceStatus;

            TInt error = service->GetStatus( ECCHVoIPSub, serviceStatus );

            TCCHSubserviceState state = serviceStatus.State();

            // Disable only, if service is connecting state

            if ( error == KErrNone && state == ECCHConnecting )

                {

                TEFLOGSTRING( KTAREQOUT,

                  "PE CPEServiceHandling::CancelServiceEnabling, CCchService->Disable" );

                service->Disable( ECCHUnknown );

                }

            }

        }

    }

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

// CPEServiceHandling::SendErrorMessage

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

//

void CPEServiceHandling::SendErrorMessage(

        TInt aErrorCode )

    {

    TEFLOGSTRING2( KTAINT, 

        "PE CPEServiceHandling::SendErrorMessage, aErrorCode: %d", 

        aErrorCode );

    iModel.DataStore()->SetErrorCode( aErrorCode );

    iModel.SendMessage( MEngineMonitor::EPEMessageServiceHandlingError );

    }

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

// CPEServiceHandling::DisableService

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

//

void CPEServiceHandling::DisableService() const

    {

    TEFLOGSTRING( KTAREQIN, "PE CPEServiceHandling::DisableService" );

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

    if ( service )

        {

        TEFLOGSTRING( KTAREQOUT,

          "PE CPEServiceHandling::DisableService, CCchService->Disable" );

        service->Disable( ECCHUnknown );

        }

    }

//  End of File