/*

* Copyright (c) 2003 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:  Observer class for System Agent events

*

*/

// INCLUDE FILES

#include    "SwimSysAgentObserver.h"

#include    "SwimReaderIF.h"

#include    "WimTrace.h"

#ifdef RD_STARTUP_CHANGE

#include    <startupdomainpskeys.h> // Property values

#else

#include    <PSVariables.h>         // Property values

#endif

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

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

// CSwimSysAgentObserver::CSwimSysAgentObserver

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

// might leave.

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

//

CSwimSysAgentObserver::CSwimSysAgentObserver( CSwimReaderIF* aReaderIF )

    : CActive( EPriorityNormal )

    {

    _WIMTRACE(_L("WIM|SwimReader|CSwimSysAgentObserver::CSwimSysAgentObserver|Begin"));

    CActiveScheduler::Add( this );

    iReaderIF = aReaderIF;

    }

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

// CSwimSysAgentObserver::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CSwimSysAgentObserver::ConstructL()

    {

    _WIMTRACE(_L("WIM|SwimReader|CSwimSysAgentObserver::ConstructL|Begin"));

    }

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

// CSwimSysAgentObserver::NewL

// Two-phased constructor.

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

//

CSwimSysAgentObserver* CSwimSysAgentObserver::NewL( CSwimReaderIF* aReaderIF )

    {

    _WIMTRACE(_L("WIM|SwimReader|CSwimSysAgentObserver::NewL|Begin"));

    CSwimSysAgentObserver* self = new( ELeave ) CSwimSysAgentObserver ( aReaderIF );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

CSwimSysAgentObserver::~CSwimSysAgentObserver()

    {

    _WIMTRACE(_L("WIM|SwimReader|CSwimSysAgentObserver::~CSwimSysAgentObserver|Begin"));

    Cancel();

    iProperty.Close();

    }

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

// CSwimSysAgentObserver::Start

// Start listening System agent events

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

//

void CSwimSysAgentObserver::Start()

    {

    _WIMTRACE(_L("WIM|SwimReader|CSwimSysAgentObserver::Start|Begin"));

    StartListening( ); //Start listening

    }

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

// CSwimSysAgentObserver::StartListening

// Start listening card status from System Agent

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

//

void CSwimSysAgentObserver::StartListening()

    {

    _WIMTRACE(_L("WIM|SwimReader|CSwimSysAgentObserver::StartListening|Begin"));

    iStatus = KRequestPending;

#ifdef RD_STARTUP_CHANGE

    TInt err = iProperty.Attach( KPSUidStartup, KPSSimStatus );

#else

    TInt err = iProperty.Attach( KUidSystemCategory, KPSUidSIMStatusValue );

#endif    

    if ( err == KErrNone )

        {

        iProperty.Subscribe( iStatus );

        }

    SetActive();

    }

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

// CSwimSysAgentObserver::RunL

// Got card state event

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

//

void CSwimSysAgentObserver::RunL()

    {

    _WIMTRACE(_L("WIM|SwimReader|CSwimSysAgentObserver::RunL|Begin"));

    //Notify on card event

    TInt simState;

    iProperty.Get( simState );

#ifdef RD_STARTUP_CHANGE

    switch ( simState )

          {

        case ESimUsable: //Card OK, no actions

            {

            StartListening();

            break;

            }

        // In these states, the SIM card cannot be used by WIM. Notify.

        // 

        case ESimReadable:

        case ESimNotReady:

        case ESimNotPresent:

            {

            iReaderIF->Notify( EScardRemoved ); //Notify Scard server

            StartListening(); //Start listening again

            break;

            }

        // The device does not support any SIM card. WIM cannot be used.

        //

        case ESimNotSupported:

            {

            break;

            }

        // These states are considered as fatal errors.

        //

        case ESimStatusUninitialized:

        default:

            {

            // __ASSERT_DEBUG( PANIC )

            break;

            }

        }

#else

    switch ( simState )

          {

        case EPSSimOk: //Card OK, no actions

            {

            StartListening();

            break;

            }

        case EPSSimNotPresent: //Flow trough

        case EPSSimRejected: // Card removed

            {

            iReaderIF->Notify( EScardRemoved ); //Notify Scard server

            StartListening(); //Start listening again

            break;

            }

        default:

            {

            break;

            }

        }

#endif // RD_STARTUP_CHANGE

    }

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

// CSwimSysAgentObserver::DoCancel

// Cancel asynchronous request

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

//

void CSwimSysAgentObserver::DoCancel()

    {

    _WIMTRACE(_L("WIM|SwimReader|CSwimSysAgentObserver::DoCancel|Begin"));

    iProperty.Cancel();

    }

//  End of File