/*

* 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:  File System format monitor

*

*/

#include <e32base.h>

#include <f32file.h>

#include <driveinfo.h>

#include <mpxlog.h>

#include "mpxfsformatmonitor.h"

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

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

// Default Constructor

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

//

CMPXFsFormatMonitor::CMPXFsFormatMonitor( MMPXSystemEventObserver& aObserver ) :

                                                        iObserver( aObserver )

    {

    }

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

// Second Phase Constructor

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

//

void CMPXFsFormatMonitor::ConstructL()

    {

    MPX_DEBUG1(_L("CMPXFsFormatMonitor::ConstructL <---"));

    iBackupSession = CBaBackupSessionWrapper::NewL();

    iBackupSession->RegisterBackupOperationObserverL( *this );

    TInt drive = EDriveE;

    for(TInt i=0; i<KDriveCount; ++i)

        {

        iBackupDrives.Append(drive);

        ++drive;

        }

    MPX_DEBUG1(_L("CMPXFsFormatMonitor::ConstructL --->"));

    }

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

// Two-Phased Constructor

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

//

CMPXFsFormatMonitor* CMPXFsFormatMonitor::NewL

                                        ( MMPXSystemEventObserver& aObserver )

    {

    CMPXFsFormatMonitor* self = CMPXFsFormatMonitor::NewLC( aObserver );

    CleanupStack::Pop( self );

    return self;

    }

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

// Two-Phased Constructor

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

//

CMPXFsFormatMonitor* CMPXFsFormatMonitor::NewLC

                                        ( MMPXSystemEventObserver& aObserver )

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// destructor

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

//

CMPXFsFormatMonitor::~CMPXFsFormatMonitor()

    {

    iBackupDrives.Close();

    if( iBackupSession )

        {

        iBackupSession->DeRegisterBackupOperationObserver( *this );

        }

    delete iBackupSession;

    }

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

// Checks the current status

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

//

void CMPXFsFormatMonitor::PollStatus()

    {

    TBool aFormatting = iBackupSession->IsBackupOperationRunning();

    if( aFormatting )

        {

        for(TInt i=0; i<KDriveCount; ++i)

            {

            TRAP_IGNORE(iObserver.HandleSystemEventL(EFormatStartEvent, iBackupDrives[i]));

            }

        }

    }

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

// CMPXFsFormatMonitor::HandleBackupOperationEventL

// Handles a format operation

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

//

void CMPXFsFormatMonitor::HandleBackupOperationEventL(

                  const TBackupOperationAttributes& aBackupOperationAttributes)

    {

    MPX_DEBUG1(_L("CMPXFsFormatMonitor::HandleBackupOperationEventL <---"));

    if( aBackupOperationAttributes.iOperation == EStart )

        {

        for(TInt i=0; i<KDriveCount; ++i)

            {

            iObserver.HandleSystemEventL(EFormatStartEvent, iBackupDrives[i]);

            }

        }

    else  // TOperationType::EEnd or TOperationType::EAbort

        {

        //Ignore if formatting is ongoing

        TBool formatting = iBackupSession->IsBackupOperationRunning();

        if ( formatting )

        	{

            return;

        	}

        for(TInt i=0; i<KDriveCount; ++i)

            {

            iObserver.HandleSystemEventL(EFormatEndEvent, iBackupDrives[i]);

            }

        }

    MPX_DEBUG1(_L("CMPXFsFormatMonitor::HandleBackupOperationEventL --->"));

    }