/*

* 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:  Implementation of RFS (Restore Factory Settings) Plugin i/f.

*

*/

//  Include Files

#include <driveinfo.h>

#include <f32file.h>

#include "RfsMsgStorePlugin.h"

#include <bautils.h>  

#include <s32file.h>

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

// CRfsMsgStorePlugin::NewL()

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

//

CRfsMsgStorePlugin* CRfsMsgStorePlugin::NewL()

    {

    CRfsMsgStorePlugin* self = new ( ELeave ) CRfsMsgStorePlugin();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CRfsMsgStorePlugin::~CRfsMsgStorePlugin()

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

//

CRfsMsgStorePlugin::~CRfsMsgStorePlugin()

    {

    iFs.Close();

    }

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

// CRfsMsgStorePlugin::RestoreFactorySettingsL

// Handle rfs.

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

//

void CRfsMsgStorePlugin::RestoreFactorySettingsL( const TRfsReason aType )

    {

    if ( aType == ENormalRfs || aType == EDeepRfs || aType == EInitRfs )

        {

        TUint driveStatus( 0 );

				TDriveNumber drive( EDriveC );

     		GetDriveL( drive );

        if ( DriveInfo::GetDriveStatus( iFs, drive, driveStatus ) == KErrNone )

            {

            _LIT( KPrivate, ":\\Private\\" );    

            TChar driveChar;

            RFs::DriveToChar(drive, driveChar);

            TFileName msgStorePath;

            TBuf<5> driveLetter;

            driveLetter.Append(driveChar);

            msgStorePath.Append(driveLetter);

            msgStorePath.Append(KPrivate);                

            msgStorePath.AppendNum( KUidMessageStoreExe, EHex );

            msgStorePath.Append( KPathDelimiter );

            CFileMan* fileManager = CFileMan::NewL( iFs );

            // this will recursively delete all files in all directories under the msgStorePath

            // but directories under the msgStorePath are not deleted

            fileManager->Delete( msgStorePath, CFileMan::ERecurse );

            delete fileManager;

            }

        }

    }

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

// CRfsMsgStorePlugin::GetScriptL

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

//

void CRfsMsgStorePlugin::GetScriptL( const TRfsReason /*aType*/, TDes& aPath )

    {

    // no-op

    // there is no script for RFS Server to execute,

    // just populate the aPath to null string

    aPath.Copy( KNullDesC );

    }

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

// CRfsMsgStorePlugin::ExecuteCustomCommandL

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

void CRfsMsgStorePlugin::ExecuteCustomCommandL( const TRfsReason /*aType*/, TDesC& /*aCommand*/ )

    {

    // no-op

    // there is no custom command to be executed by this plugin

    }

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

// CRfsMsgStorePlugin::CRfsMsgStorePlugin()

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

//

CRfsMsgStorePlugin::CRfsMsgStorePlugin()

    {

    }

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

// CRfsMsgStorePlugin::ConstructL()

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

//

void CRfsMsgStorePlugin::ConstructL()

    {

    User::LeaveIfError( iFs.Connect() );

    }

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

// CRfsMsgStorePlugin::GetDriveL(TDriveNumber&)

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

//

TInt CRfsMsgStorePlugin::GetDriveL( TDriveNumber& aDrive )

    {

    _LIT16( KDriveToUseFile, "db_drive.cfg" );

    TInt ret( KErrNotFound );

    RFs fs;

    if( fs.Connect() == KErrNone )

        {

        CleanupClosePushL( fs );               //+fs

        TFileName fileName;

        _LIT( KCDrive, "C:" );

        _LIT( KPrivate, "Private" );   

        fileName.Append(KCDrive());

        fileName.Append( KPathDelimiter ); 

        fileName.Append(KPrivate);

        fileName.Append( KPathDelimiter );                 

        fileName.AppendNum( KUidMessageStoreExe, EHex );

        fileName.Append( KPathDelimiter );        

        fileName.Append( KDriveToUseFile );

        if( BaflUtils::FileExists( fs, fileName ) )

            {

            RFileReadStream reader;

            if ( reader.Open( fs, fileName, EFileRead ) == KErrNone )

          		{

           		CleanupClosePushL( reader );             //+reader

           		TUint drive = reader.ReadUint32L();

              CleanupStack::PopAndDestroy( &reader );  //-reader

              if(drive <=EDriveZ)

	              {

	           		aDrive = static_cast<TDriveNumber>( drive );

           			ret = KErrNone;

           			}

           		}

            }

        CleanupStack::PopAndDestroy( &fs );    //-fs

        } // end if

    return ret;

    }

// END FILE RfsMsgStorePlugin.cpp