/*

* Copyright (c) 2009 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: 

*

*/

#include "fmoperationformat.h"

#include "fmcommon.h"

#include "fmoperationbase.h"

#include "fmutils.h"

#include <QString>

#include <f32file.h>

#include <e32property.h>

#include <coreapplicationuisdomainpskeys.h>

/* \fn  void driveSpaceChanged()

 * This signal is emitted when copy or move is completed, and used to update the drive size.

 */

/*

 * Constructs a format operation with \a parent

 * \a mDriverName the drive to be formatted.

 */

FmOperationFormat::FmOperationFormat( QObject *parent, const QString &mDriverName ) : FmOperationBase( parent, FmOperationService::EOperationTypeFormat ),

    mDriverName( mDriverName )

{

    connect( this, SIGNAL( driveSpaceChanged() ),

            parent, SLOT( on_operation_driveSpaceChanged() ) );

}

/*

 * Destructs the operation.

 */

FmOperationFormat::~FmOperationFormat()

{

}

/*

 * Returns the to be formatted drive name

 */

QString FmOperationFormat::driverName()

{

    return mDriverName;

}

/*

 * Starts to format.

 * \a isStopped not used

 */

void FmOperationFormat::start( volatile bool */*isStopped*/ )

{ 

    QString logString = "FmOperationFormat::start";

    FM_LOG( logString );

    emit notifyPreparing( false );

    if( mDriverName.isEmpty() ) {

        emit notifyError( FmErrWrongParam, QString() );

        return;

    }

    RFormat format;

    RFs fs;

    int err = fs.Connect();

    if( err != KErrNone ){

        emit notifyError( FmErrTypeFormatFailed, QString() );

        return;

    }

    TInt drive = 0;

    drive = mDriverName[0].toUpper().toAscii() - 'A' + EDriveA;

    TDriveName formatDriveName( TDriveUnit( drive ).Name() );

    int finalValue = 0;

    format.Close();

    err = format.Open(

        fs, formatDriveName, EFullFormat | ESpecialFormat, finalValue );

    if( err == KErrNone ){

        logString = "emit notifyStart";

        FM_LOG( logString );

        mTotalSteps = finalValue;

        emit notifyStart( false, finalValue );

    }

    logString = "Format open error:" + QString::number( err );

    FM_LOG( logString );

    if( err == KErrLocked ){

        err = fs.ErasePassword( drive );

        logString = "ErasePassword error:" + QString::number( err );

        FM_LOG( logString );

        if( err == KErrNone ){

            err = format.Open(

               fs, formatDriveName, EFullFormat, finalValue ); 

            if( err == KErrNone ){

                logString = "emit notifyStart";

                FM_LOG( logString );

                mTotalSteps = finalValue;

                emit notifyStart( false, finalValue );

            }           

            logString = "Second format open error:" + QString::number( err );

            FM_LOG( logString );

        }

    }

    if (err == KErrInUse){

        TBool reallyFormat = ETrue;

        if (reallyFormat){

            err = format.Open(

                    fs, formatDriveName, EFullFormat | EForceFormat, finalValue );

            if( err == KErrNone ){

                logString = "emit notifyStart";

                FM_LOG( logString );

                mTotalSteps = finalValue;

                emit notifyStart( false, finalValue );

            } 

            logString = "Reallyformat open error:" + QString::number( err );

            FM_LOG( logString );

        }

    }

    TFullName fsName;

    if ( err == KErrNone )

        {

        err = fs.FileSystemName( fsName, drive  );

        logString = "FileSystemName error:" + QString::number( err );

        FM_LOG( logString );

        if ( err == KErrNone && fsName.Length() > 0 )

            {

            // Prevent SysAp shutting down applications

            RProperty::Set(

                    KPSUidCoreApplicationUIs,

                    KCoreAppUIsMmcRemovedWithoutEject,

                    ECoreAppUIsEjectCommandUsed );

            logString = "Prevent SysAp shutting down applications" ;

            FM_LOG( logString );

            }

        else

            {

            // Don't continue with format if there is no file system name

            // or file system name could not be obtained.

            err = KErrCancel;

            logString = QString( "Format cancel" );

            FM_LOG( logString );

            }

        }

    if( err == KErrNone &&  finalValue ){

        while ( finalValue ){        

            logString = "Format tracks:" + QString::number( finalValue );

            FM_LOG( logString );

            err = format.Next( finalValue );

            if( err != KErrNone ){ 

                logString = "Format error:" + QString::number( err );

                FM_LOG( logString );

                break; 

            }

            logString = "emit notifyProgress";

            FM_LOG( logString );

            emit notifyProgress( mTotalSteps - finalValue );

        }

    }

    if( !finalValue || err != KErrNone ){

        format.Close();        

        fs.Close();

        FmUtils::createDefaultFolders( mDriverName );

    }

    if( err == KErrNone ){

        emit notifyFinish();        

    }

    else{

        emit notifyError( FmErrTypeFormatFailed, QString() );

    }

    // refresh drive space no care if cancel, error or finished.

    // as filemanger cannot notify drive space changed

    // do not refresh path as QFileSystemModel will do auto-refresh

    emit driveSpaceChanged();    

}