/*

* 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:  For handling interactions betweed UI and CCH.

*

*/

#include <cch.h>

#include "cscenglogger.h"

#include "cscengcchhandler.h"

#include "mcscengcchobserver.h"

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

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

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

//

CCSCEngCCHHandler::CCSCEngCCHHandler( MCSCEngCCHObserver& aObserver ) :

    iObserver( aObserver )

    {    

    }

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

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

//

void CCSCEngCCHHandler::ConstructL()

    {

    CSCENGDEBUG( "CCSCEngCCHHandler::ConstructL - begin" ); 

    iCchClientApi = CCch::NewL();

    CSCENGDEBUG( "CCSCEngCCHHandler::ConstructL - end" ); 

    }   

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

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

//

EXPORT_C CCSCEngCCHHandler* CCSCEngCCHHandler::NewL( 

    MCSCEngCCHObserver& aObserver )

    {    

    CCSCEngCCHHandler* self = new ( ELeave ) CCSCEngCCHHandler( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

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

//

CCSCEngCCHHandler::~CCSCEngCCHHandler()

    {

    CSCENGDEBUG( "CCSCEngCCHHandler::~CCSCEngCCHHandler - begin" ); 

    delete iCchClientApi;    

    CSCENGDEBUG( "CCSCEngCCHHandler::~CCSCEngCCHHandler - end" ); 

    }

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

// Disable service.

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

//

EXPORT_C TInt CCSCEngCCHHandler::DisableService( TInt aServiceId )

    {    

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

    TInt err( KErrNone );

    if ( service )

        {

        service->SetObserver( *this );

        err = service->Disable( ECCHUnknown );

        }

    else

        {

        err = KErrArgument;

        }

    return err;

    }

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

// Check is service disabled

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

//

EXPORT_C TBool CCSCEngCCHHandler::IsServiceDisabled( TInt aServiceId )

    {    

    TBool disabled( ETrue );

    if ( !IsDisabled( aServiceId, ECCHVoIPSub ) ) return EFalse;

    if ( !IsDisabled( aServiceId, ECCHPresenceSub ) ) return EFalse;

    if ( !IsDisabled( aServiceId, ECCHIMSub ) ) return EFalse;      

    if ( !IsDisabled( aServiceId, ECCHVMBxSub ) ) return EFalse;

    return disabled;

    }

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

// Check is service is valid

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

//

EXPORT_C TBool CCSCEngCCHHandler::IsServiceValidL( TInt aServiceId )

    {    

    TBool validService( EFalse );

    TSupportedSubServices supportedSubServices;

    SupportedSubServicesL( aServiceId, supportedSubServices );

    // Service is valid if some subservice is supported

    if ( supportedSubServices.iVoIP || supportedSubServices.iIm ||

        supportedSubServices.iPresence || supportedSubServices.iVmbx )

        {

        validService = ETrue;

        }

    return validService;

    }

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

// Get supported subservices.

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

//

EXPORT_C void CCSCEngCCHHandler::SupportedSubServicesL( 

    TInt aServiceId, TSupportedSubServices& aSupSubServices )

    {

    CCchService* service = 

    TBool supported( EFalse );

    if ( service )

        {

        service->IsSupported( ECCHVoIPSub, supported );

        aSupSubServices.iVoIP = supported;

        service->IsSupported( ECCHPresenceSub, supported );

        aSupSubServices.iPresence = supported;

        service->IsSupported( ECCHIMSub, supported );

        aSupSubServices.iIm = supported;

        service->IsSupported( ECCHVMBxSub, supported );

        aSupSubServices.iVmbx = supported;

        }

    CSCENGDEBUG2( 

            "CCSCEngCCHHandler::SupportedSubServicesL VoIP=%d", 

                aSupSubServices.iVoIP );

    CSCENGDEBUG2( 

            "CCSCEngCCHHandler::SupportedSubServicesL Presence=%d", 

                aSupSubServices.iPresence );

    CSCENGDEBUG2( 

            "CCSCEngCCHHandler::SupportedSubServicesL IM=%d", 

                aSupSubServices.iIm );

    CSCENGDEBUG2( 

            "CCSCEngCCHHandler::SupportedSubServicesL VMBX=%d", 

                aSupSubServices.iVmbx );

    }

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

// Get cch connection parameter (RBuf).

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

//

EXPORT_C TInt CCSCEngCCHHandler::GetConnectionParameter( 

    TInt aServiceId, 

    TCchConnectionParameter aConnParam,

    RBuf& aConnParamValue )

    {   

    CSCENGDEBUG(  "CCSCEngCCHHandler::GetConnectionParameter" );

    CCchService* service = 

           iCchClientApi->GetService( aServiceId );

    TInt err( KErrNone );

    if ( service )

        {

        err = service->GetConnectionParameter( 

            ECCHUnknown, aConnParam, aConnParamValue );

        }

    else

        {

        err = KErrArgument;

        }

    return err;

    }

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

// Get cch connection parameter (TInt).

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

//

EXPORT_C TInt CCSCEngCCHHandler::GetConnectionParameter( 

    TInt aServiceId, 

    TCchConnectionParameter aConnParam,

    TInt& aConnParamValue )

    {   

    CSCENGDEBUG(  "CCSCEngCCHHandler::GetConnectionParameter" );

    CCchService* service = 

           iCchClientApi->GetService( aServiceId );

    TInt err( KErrNone );

    if ( service )

        {

        err = service->GetConnectionParameter( 

            ECCHUnknown, aConnParam, aConnParamValue );

        }

    else

        {

        err = KErrArgument;

        }

    return err;

    }

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

// Set cch connection parameter.

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

//

EXPORT_C TInt CCSCEngCCHHandler::SetConnectionParameter( 

    TInt aServiceId,

    TCchConnectionParameter aConnParam,

    const TDesC& aConnParamValue )

    {       

    CSCENGDEBUG(  "CCSCEngCCHHandler::SetConnectionParameter" );

    CCchService* service = 

           iCchClientApi->GetService( aServiceId );

    TInt err( KErrNone );

    if ( service )

        {

        err =service->SetConnectionParameter( 

            ECCHUnknown, aConnParam, aConnParamValue );

        }

    else

        {

        err = KErrArgument;

        }

    return err;

    }

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

// CCSCEngCCHHandler::IsDisabled

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

//

TBool CCSCEngCCHHandler::IsDisabled( 

    TInt aServiceId, 

    TCCHSubserviceType aType  )                                     

    {                                                                                                          

    TBool disabled( EFalse );                                                                                   

    CCchService* service = 

          iCchClientApi->GetService( aServiceId );

    if ( service )

        {

        TCchServiceStatus status;

        TInt err = service->GetStatus( aType, status );

        if ( KErrNotFound == err || 

             ( KErrNone == err && 

             ( ECCHUninitialized == status.State() || 

               ECCHDisabled == status.State() ) ) )

            {                                                                                                                                         

            disabled = ETrue;                                                                                                                        

            }          

        }

    return disabled;                                                                                                              

    }  

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

// From class MCchServiceStatusObserver

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

//

void CCSCEngCCHHandler::ServiceStatusChanged( 

    TInt aServiceId, 

    TCCHSubserviceType aType, 

    const TCchServiceStatus& aServiceStatus )                  

    {       

    CSCENGDEBUG(  "CCSCEngCCHHandler::ServiceStatusChanged" );

    if ( ECCHDisabled == aServiceStatus.State() )

        {

        CCchService* service = 

                  iCchClientApi->GetService( aServiceId );

        if ( service )

            {

            service->RemoveObserver();

            }

        }

    iObserver.ServiceStatusChanged(

            aServiceId, 

            aType, 

            aServiceStatus );                                                                                   

    }