/*

* Copyright (c) 2006 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: 

*     Virtual base class for the scanner classes.

*

*/

// USER INCLUDES

#include    "msengscannerbase.h"

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

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

// CMsengScannerBase::CMsengScannerBase()

//

// C++ default constructor. Can NOT contain any code, that might leave.

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

CMsengScannerBase::CMsengScannerBase(MMsengScannerObserver& aObserver, 

                                     CMsengInfoArray& aInfoArray,

                                     RFs& aFsSession

                                     )

: CActive(CActive::EPriorityStandard), iObserver(aObserver),

  iInfoArray(aInfoArray), iFsSession(aFsSession)

    {

    CActiveScheduler::Add(this);

    }    

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

// CMsengScannerBase::~CMsengScannerBase()

//

// Destructor

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

CMsengScannerBase::~CMsengScannerBase()

    {

    Cancel();

    }

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

// CMsengScannerBase::CompleteRequest()

//

//

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

void CMsengScannerBase::CompleteRequest(TInt aCode)

    {

    if (!IsActive())

        {

        TRequestStatus* status = &iStatus;

        User::RequestComplete(status, aCode);

        SetActive();

        }

    }

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

// CMsengScannerBase::RunL()

//

//

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

void CMsengScannerBase::RunL()

    {

    // Do one scanning step

    const TStepResult result = PerformStepL();

    switch(result)

        {

        case ECompleteRequest:

            {

            CompleteRequest();

            break;

            }

        case EScanComplete:

            {

            iObserver.HandleScannerEventL(

                MMsengScannerObserver::EScannerEventScanComplete, *this);

            break;

            }

        case ERequestIssuedInternally:

        default:

            {

            // Not used, but maybe needed for messaging if some asynchronous

            // service is used which completes iStatus by itself.

            break;

            }

        }

    }

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

// CMsengScannerBase::DoCancel()

//

//

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

void CMsengScannerBase::DoCancel()

    {

    // Nothing to do here

    }

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

// CMsengScannerBase::RunError()

//

//

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

TInt CMsengScannerBase::RunError(TInt aError)

    {

    // Implementation for EScannerEventScanError cannot leave at the moment, 

    // but lets trap if implementation changes

    TRAP_IGNORE(iObserver.HandleScannerEventL(

        MMsengScannerObserver::EScannerEventScanError, *this, aError));

    return KErrNone;

    }

//  End of File