/*

* 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:  Listens for smard card events

*

*/

// INCLUDE FILES

#include    "Scard.h"

#include    "ScardBase.h"

#include    "ScardListener.h"

#include    "ScardClsv.h"

#include    "WimTrace.h"

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

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

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

// might leave.

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

//

EXPORT_C CScardListener::CScardListener( RScard* aScard ) 

    : CActive( CActive::EPriorityStandard )

    {

    _WIMTRACE(_L("WIM|Scard|CScardListener::CScardListener|Begin"));

    __ASSERT_ALWAYS( aScard, User::Panic( _L( "NULL pointer" ), 

        KErrArgument ) );

    iScard = aScard;

    CActiveScheduler::Add( this );

    }

// Destructor

EXPORT_C CScardListener::~CScardListener()

    {

    _WIMTRACE(_L("WIM|Scard|CScardListener::~CScardListener|Begin"));

    Cancel(); // Make sure we're cancelled

    _WIMTRACE(_L("WIM|Scard|CScardListener::~CScardListener|End"));

    }

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

// CScardListener::ListenCardEvents

// Start listening card events

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

//

EXPORT_C TInt CScardListener::ListenCardEvents(

    const TScardReaderName& aReaderName )

    {

    _WIMTRACE(_L("WIM|Scard|CScardListener::ListenCardEvents|Begin"));

    iReaderName.Copy( aReaderName );

    TInt err = NotifyChange( iStatus, aReaderName );

    SetActive();

    return err;

    }

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

// CScardListener::DoCancel

// Listening cancelled

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

//

EXPORT_C void CScardListener::DoCancel()

    {   

    _WIMTRACE(_L("WIM|Scard|CScardListener::DoCancel|Begin"));

    CancelNotifyChange(iReaderName );

    }

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

// CScardListener::RunL

// Handle event we have got

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

//

EXPORT_C void CScardListener::RunL()

    {

    _WIMTRACE(_L("WIM|Scard|CScardListener::RunL|Begin"));

    TScardServiceStatus event = (TScardServiceStatus) iStatus.Int();

    //iStatus = KRequestPending;

    //SetActive();

    ProcessEvent( event );

    _WIMTRACE(_L("WIM|Scard|CScardListener::RunL|END"));

    }

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

// CScardListener::NotifyChange

// Send NotifyChange opcode to server

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

//

TInt CScardListener::NotifyChange(

    TRequestStatus& aStatus,

    const TScardReaderName& aFriendlyName )

    {

    _WIMTRACE(_L("WIM|Scard|CScardListener::NotifyChange|Begin"));

    aStatus = KRequestPending;

    iPckg = &aStatus;

    //TPckgBuf<TRequestStatus*> pckg( &aStatus );

    TIpcArgs args( &iPckg, &aFriendlyName );

    iScard->SendReceive( EScardServerNotifyChange, args, aStatus );

    return KErrNone;

    }

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

// CScardListener::CancelNotifyChange

// Send CancelNotifyChange opcode to server

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

//

/*void CScardListener::CancelNotifyChange(

    TRequestStatus& aStatus,

    const TScardReaderName& aFriendlyName )

    {

    _WIMTRACE(_L("WIM|Scard|CScardListener::CancelNotifyChange|Begin"));

    //TPckgBuf<TRequestStatus*> pckg( &aStatus );

    iPckg = &aStatus;

    TIpcArgs args( &iPckg, &aFriendlyName );

    iScard->SendReceive( EScardServerCancelNotifyChange, args );

    _WIMTRACE(_L("WIM|Scard|CScardListener::CancelNotifyChange|End"));

    }*/

TInt CScardListener::CancelNotifyChange( const TScardReaderName& aFriendlyName )

    {

    _WIMTRACE(_L("WIM|Scard|CScardListener::CancelNotifyChange|Begin"));

    //this parameter is not used in server side

    //It will be useful if there is a multiple scard listener

    //currently only wimserver is the scard listener, so by calling

    //this function, the array of listener will be cleaned.

    TIpcArgs args( &iPckg, &aFriendlyName );

    return iScard->SendReceive( EScardServerCancelNotifyChange, args );

    _WIMTRACE(_L("WIM|Scard|CScardListener::CancelNotifyChange|End"));

    }

//  End of File