diff -r 95243422089a -r 491b3ed49290 filemanager/src/inc/fmutils_s60.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filemanager/src/inc/fmutils_s60.cpp	Tue Aug 31 15:06:05 2010 +0300
@@ -0,0 +1,859 @@
+/*
+* 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:
+*     Zhiqiang Yang <zhiqiang.yang@nokia.com>
+* 
+* Description:
+*     The source file of the file manager utilities on Symbian
+*/
+
+
+#include "fmutils.h"
+#include "fmcommon.h"
+#include "fms60utils.h"
+
+#include <apgcli.h>
+#include <sysutil.h>
+#include <f32file.h>
+#include <coemain.h>
+#include <pathinfo.h>
+#include <driveinfo.h>
+#include <e32property.h>
+#include <coreapplicationuisdomainpskeys.h>
+
+#include <QDir>
+#include <QFile>
+#include <QRegExp>
+#include <QStringList>
+#include <QFileInfoList>
+
+#include <xqappmgr.h>
+#include <XQConversions>
+#include <xqaiwrequest.h>
+
+#include <shareui.h>
+#include <hbglobal.h>
+#include <hbdirectorynamelocalizer.h>
+
+#define BURCONFIGFILE  "z:/private/2002BCC0/burconfig.xml"
+
+/*!
+    query drive info and status for \a driveName
+    return \a FmDriverInfo
+*/
+FmDriverInfo FmUtils::queryDriverInfo( const QString &driveName )
+{
+    if( driveName.isEmpty() ) {
+        return FmDriverInfo( 0, 0, driveName, QString(), FmDriverInfo::EDriveNotPresent );
+    }
+    CCoeEnv *env = CCoeEnv::Static();
+    RFs& fs = env->FsSession();
+
+    TVolumeInfo volumeInfo;
+    TInt drive = 0;
+    drive = driveName[0].toUpper().toAscii() - 'A' + EDriveA;
+
+    quint32 state( 0 );
+    
+    int volumeInfoErr( KErrNone );
+    int driveInfoErr( KErrNone );
+    int errorCode( KErrNone );
+    volumeInfoErr = fs.Volume( volumeInfo, drive );
+    errorCode = volumeInfoErr;
+    QString volumeName( (QChar*)( volumeInfo.iName.Des().Ptr() ), volumeInfo.iName.Length() );
+    
+    TDriveInfo driveInfo;
+    if( volumeInfoErr == KErrNone ) {
+        driveInfo = volumeInfo.iDrive;
+    } else {
+        driveInfoErr = fs.Drive( driveInfo, drive );
+        if( driveInfoErr != KErrNone ) {
+            errorCode = driveInfoErr;
+        }
+    }
+    
+    if( volumeInfoErr == KErrNone || driveInfoErr == KErrNone ) {
+        //TDriveInfo driveInfo = volumeInfo.iDrive;
+    
+        quint32 drvStatus( 0 );
+        int err = DriveInfo::GetDriveStatus( fs, drive, drvStatus );
+        if( err == KErrNone ) {
+            
+            if ( ( drvStatus & DriveInfo::EDriveInternal ) &&
+                 ( drvStatus & DriveInfo::EDriveExternallyMountable ) ){
+                // Handle mass storage bits here
+                state |= FmDriverInfo::EDriveMassStorage | FmDriverInfo::EDriveRemovable;
+            }
+        
+            if ( drvStatus & DriveInfo::EDriveUsbMemory )
+                {
+                state |= FmDriverInfo::EDriveUsbMemory;
+                }
+            
+            if ( drvStatus & DriveInfo::EDriveRemote )
+                {
+                state |= FmDriverInfo::EDriveRemote;
+                }
+            
+            if ( drvStatus & DriveInfo::EDriveRom ){
+                state |= FmDriverInfo::EDriveRom;  
+            }
+            
+            if ( drvStatus & DriveInfo::EDriveRam ){
+                state |= FmDriverInfo::EDriveRam;  
+            }
+        
+            if ( driveInfo.iMediaAtt & KMediaAttFormattable ){
+                state |= FmDriverInfo::EDriveFormattable;
+            }
+            if ( driveInfo.iMediaAtt & KMediaAttWriteProtected ){
+                state |= FmDriverInfo::EDriveWriteProtected;
+            }
+            if ( driveInfo.iMediaAtt & KMediaAttHasPassword ){
+                state |= FmDriverInfo::EDrivePasswordProtected;
+            }    
+            if ( driveInfo.iMediaAtt & KMediaAttLocked ){
+                state |= FmDriverInfo::EDriveLocked;
+            }
+        
+            if ( driveInfo.iDriveAtt & KDriveAttRemovable ){
+                state |= FmDriverInfo::EDriveRemovable;
+        
+                if ( drvStatus & DriveInfo::EDriveSwEjectable ){
+                    state |= FmDriverInfo::EDriveEjectable;
+                }
+            }
+            
+            if( driveInfo.iType == EMediaNotPresent ){
+                state |= FmDriverInfo::EDriveNotPresent;    
+            }
+        }
+        // If memory card is not ready but type is present,
+        // then check if it is reserved.
+        if( err == KErrNone && volumeInfoErr == KErrNotReady &&
+            driveInfo.iType != EMediaNotPresent )
+            {
+            // Check USB file transfer state
+            TInt prop( ECoreAppUIsUSBFileTransferUninitialized );
+            RProperty::Get(
+                KPSUidCoreApplicationUIs,
+                KCoreAppUIsUSBFileTransfer, prop );
+            if ( prop == ECoreAppUIsUSBFileTransferActive )
+                {
+                errorCode = KErrInUse; // Reserved for file transfer
+                }
+            }
+        if( err!= KErrNone )
+            {
+            errorCode = err;
+            }
+    }
+
+    // handle error code
+    // volumeInfoErr will occur while drive is lock,corrupted...
+    // driveInfoErr can not be promoted for locked, corrupted drive.
+    // so we can not use driveInfoErr to justify EDriveAvailable
+    switch( errorCode )
+    {
+    case KErrNone:
+        // this drive could be used as it is not be locked, or corrupt.
+        state |= FmDriverInfo::EDriveAvailable; 
+        break;
+    case KErrLocked:
+        state |= FmDriverInfo::EDriveLocked;
+        break;
+    case KErrCorrupt:
+        state |= FmDriverInfo::EDriveCorrupted;
+        break;
+    case KErrInUse:
+        state |= FmDriverInfo::EDriveInUse;
+        break;
+    default: // other errors
+        state |= FmDriverInfo::EDriveNotPresent;
+        break;
+    }
+    QString logString ( "FmUtils::queryDriverInfo_" + driveName + 
+            "_volumeInfoErr:" + QString::number( volumeInfoErr ) +
+            "_driveInfoErr:" + QString::number( driveInfoErr ) +
+            "_errorCode:" + QString::number( errorCode ) + 
+            "_driveSatus:" + QString::number( state ) );
+    FM_LOG( logString );
+    return FmDriverInfo( volumeInfo.iSize, volumeInfo.iFree, driveName, volumeName, state );
+}
+
+/*!
+    remove drive password for \a driveName
+    \a Pwd is original password.
+*/
+int FmUtils::removeDrivePwd( const QString &driveName,  const QString &Pwd )
+{
+    if( driveName.isEmpty() || Pwd.length() > FmMaxLengthofDrivePassword ) {
+        return FmErrWrongParam;
+    }
+    QString logString = "Drive name:" + driveName;
+    FM_LOG( logString );
+    logString = "Password:" + Pwd;
+    FM_LOG( logString );
+
+    CCoeEnv *env = CCoeEnv::Static();
+	RFs& fs = env->FsSession();
+
+    TInt drive = 0;
+
+    drive = driveName[0].toUpper().toAscii() - 'A' + EDriveA;
+
+    HBufC* password16 = XQConversions::qStringToS60Desc( Pwd );
+    TMediaPassword password;   
+    TPtr ptrPassword16( password16->Des() );  
+    FmS60Utils::ConvertCharsToPwd( ptrPassword16, password );
+
+    int err( fs.ClearPassword( drive, password ) );
+
+    logString = "Drive:" + QString::number( drive );
+    FM_LOG( logString );
+
+    logString = "Clear password error:" + QString::number( err );
+    FM_LOG( logString );
+
+    delete password16;
+
+    if( err == KErrNone ){
+        return FmErrNone;   
+    }
+    else if( err == KErrAccessDenied ){
+        return FmErrAccessDenied;
+    }
+    else{
+        return FmErrUnKnown;
+    }
+}
+
+/*!
+    Unlock drive \a driveName with provided password \a Pwd
+*/
+int FmUtils::unlockDrive( const QString &driveName,  const QString &Pwd )
+{
+    if( driveName.isEmpty() || Pwd.length() > FmMaxLengthofDrivePassword ) {
+        return FmErrWrongParam;
+    }
+    QString logString = "Drive name:" + driveName;
+    FM_LOG( logString );
+    logString = "Password:" + Pwd;
+    FM_LOG( logString );
+
+    CCoeEnv *env = CCoeEnv::Static();
+	RFs& fs = env->FsSession();
+
+    TInt drive = 0;
+	drive = driveName[0].toUpper().toAscii() - 'A' + EDriveA;
+    
+    HBufC* password16 = XQConversions::qStringToS60Desc( Pwd );
+    TMediaPassword password;   
+    TPtr ptrPassword16( password16->Des() );  
+    FmS60Utils::ConvertCharsToPwd( ptrPassword16, password );
+
+    int err( fs.UnlockDrive( drive, password, ETrue) );
+
+    logString = "Drive:" + QString::number( drive );
+    FM_LOG( logString );
+    logString = "Unlock drive error:" + QString::number( err );
+    FM_LOG( logString );
+
+    delete password16;
+
+    if( err == KErrNone ){
+        return FmErrNone;   
+    }
+    else if( err == KErrAccessDenied ){
+        return FmErrAccessDenied;
+    }
+    else if( err == KErrAlreadyExists ){
+        return FmErrAlreadyExists;
+    }
+    else if( err == KErrNotSupported ){
+        return FmErrNotSupported;
+    }
+    else{
+        return FmErrUnKnown;
+    }
+}
+
+/*!
+    Check if \a pwd is the right password for drive \a driveName
+*/
+int FmUtils::checkDrivePwd( const QString &driveName, const QString &pwd )
+{
+    if( driveName.isEmpty() || pwd.length() > FmMaxLengthofDrivePassword ) {
+        return FmErrWrongParam;
+    }
+    QString logString = "checkDrivePwd Drive name:" + driveName;
+    logString += " password:" + pwd;
+    FM_LOG( logString );
+
+    return setDrivePwd( driveName, pwd, pwd );
+}
+
+/*!
+    Set new password \a newPwd for drive \a driveName. \a oldPwd is old password
+*/
+int FmUtils::setDrivePwd( const QString &driveName, const QString &oldPwd, const QString &newPwd)
+{
+    if( driveName.isEmpty() || 
+        oldPwd.length() > FmMaxLengthofDrivePassword || newPwd.length() > FmMaxLengthofDrivePassword  ) {
+        return FmErrWrongParam;
+    }
+    QString logString = "setDrivePwd Drive name:" + driveName ;
+    logString += " Old password:" + oldPwd;
+    logString += " New password:" + newPwd;
+    FM_LOG( logString );
+
+    CCoeEnv *env = CCoeEnv::Static();
+	RFs& fs = env->FsSession();
+
+    TInt drive = 0;
+	drive = driveName[0].toUpper().toAscii() - 'A' + EDriveA;
+	
+    HBufC* newPassword16 = XQConversions::qStringToS60Desc( newPwd);
+    HBufC* oldPassword16 = XQConversions::qStringToS60Desc( oldPwd );
+
+    TMediaPassword oldPassword;
+    TMediaPassword newPassword;
+    
+    TPtr ptrNewPassword16( newPassword16->Des() );
+    TPtr ptrOldPassword16( oldPassword16->Des() );
+    
+    FmS60Utils::ConvertCharsToPwd( ptrNewPassword16, newPassword );
+    FmS60Utils::ConvertCharsToPwd( ptrOldPassword16, oldPassword );
+
+    int err( fs.LockDrive( drive, oldPassword, newPassword, ETrue ) );
+
+    logString = "Drive:" + QString::number( drive );
+    FM_LOG( logString );
+    logString = "Password set error:" + QString::number( err );
+    FM_LOG( logString );
+
+    delete newPassword16;
+    delete oldPassword16;
+    if( err == KErrNone ){
+        return FmErrNone;   
+    }
+    else if( err == KErrNotSupported ){
+        return FmErrNotSupported;
+    }
+    else{
+        return FmErrUnKnown;
+    }
+}
+
+/*!
+    Set \a pwd as empty password
+*/
+void FmUtils::emptyPwd( QString &pwd )
+{
+    TBuf< FmMaxLengthofDrivePassword > nullPwd;
+    nullPwd.FillZ( nullPwd.MaxLength() );
+    nullPwd.Zero();
+    pwd = XQConversions::s60DescToQString( nullPwd );
+}
+
+/*!
+    Set drive volume for drive \a driveName
+*/
+int FmUtils::renameDrive( const QString &driveName, const QString &newVolumeName)
+{
+    if( driveName.isEmpty() ) {
+        return FmErrWrongParam;
+    }
+    foreach( const QChar &ch, newVolumeName )
+    {
+        bool a = ch.isSpace();
+        bool b = ch.isLetterOrNumber();
+        // If not alphadigit or space, return error
+        if( !ch.isLetterOrNumber() && !ch.isSpace() )
+        {
+            return FmErrBadName;
+        }   
+    }
+        
+    CCoeEnv *env = CCoeEnv::Static();
+	RFs& fs = env->FsSession();
+
+    TInt drive = 0;
+	drive = driveName[0].toUpper().toAscii() - 'A' + EDriveA;
+
+    TPtr newName ( ( XQConversions::qStringToS60Desc( newVolumeName ) )->Des() );
+
+    int err( fs.SetVolumeLabel( newName, drive ));
+    
+    QString logString = "Rename error:" + QString::number( err );
+    FM_LOG( logString );
+
+    if( err == KErrNone ){
+        return FmErrNone;   
+    }
+    else if( err == KErrNotReady ){
+        return FmErrNotReady;
+    }
+    else{
+        return FmErrUnKnown;
+    }
+}
+
+/*!
+    Eject drive \a driveName
+*/
+int FmUtils::ejectDrive( const QString &driveName )
+{
+    if( driveName.isEmpty() ) {
+        return FmErrWrongParam;
+    }
+    QString logString = "FmUtils::ejectDrive start";
+    FM_LOG( logString );
+
+    TInt drive = 0;
+	drive = driveName[0].toUpper().toAscii() - 'A' + EDriveA;
+
+    const int KDriveShift = 16;
+
+    // Let SysAp handle eject
+    RProperty::Set(
+        KPSUidCoreApplicationUIs,
+        KCoreAppUIsMmcRemovedWithoutEject,
+        ECoreAppUIsEjectCommandUsedToDrive | ( drive << KDriveShift )
+        );
+    return FmErrNone;
+}
+
+/*!
+    Check if drive \a driveName is accessable for user
+*/
+bool FmUtils::checkDriveAccessFilter( const QString &driveName )
+{
+    if( driveName.isEmpty() ) {
+        return false;
+    }
+    FmDriverInfo driveInfo = queryDriverInfo( driveName );
+    if( ( driveInfo.driveState()& FmDriverInfo::EDriveRam ) ||
+        ( driveInfo.driveState()& FmDriverInfo::EDriveRom ) ) {
+        return false;
+    }
+    return true;
+}
+
+/*!
+    This function should be called to adjust path if user goto a drive.
+    data folder will be append to C:\ becuase user could only view C:\data instead C:\ 
+*/
+QString FmUtils::checkDriveToFolderFilter( const QString &path )
+{
+    QString checkedPath = fillPathWithSplash( path );
+    if( checkedPath.compare( Drive_C, Qt::CaseInsensitive ) == 0 ) {
+        checkedPath += QString( "data" ) + QDir::separator();
+        return checkedPath;
+    }
+    return path;
+
+}
+
+/*!
+    This function should be called to adjust path if user back to up level path.
+    If user is at C:\data then path level should be returned as C:\
+    Becuase C:\data is root path for C drive 
+*/
+QString FmUtils::checkFolderToDriveFilter( const QString &path )
+{
+    QString logString;
+    logString = QString( "checkFolderToDriveFilter: " ) + path;
+    FM_LOG( logString );
+    QString checkedPath = fillPathWithSplash( path );
+
+    logString = QString( "checkFolderToDriveFilter_fillPathWithSplash: " ) + checkedPath;
+    FM_LOG( logString );
+    
+    if( checkedPath.compare( Folder_C_Data, Qt::CaseInsensitive ) == 0 ) {
+        FM_LOG( QString( " change from c:/data/ to C:/" ) );
+        return Drive_C;
+    }
+    return path;
+
+}
+
+/*!
+    Check if \a path is accessable for user
+*/
+int FmUtils::isPathAccessabel( const QString &path )
+{
+    // Used to check if path is accessable, very important feature
+    // and will return filemanager error.
+    FM_LOG( QString( "isPathAccessabel:" ) + path );
+    if( path.isEmpty() ) {
+        return FmErrPathNotExist;
+    }
+
+    // used to filter locked/ejected/corrupted drive
+    // check if drive is available, no matter if it is a drive, a folder, or a file.
+    if( !isDriveAvailable( path ) ) {
+        FM_LOG( QString( "isPathAccessabel false: path is drive and not available" ) );
+        return FmErrDriveNotAvailable;
+    }
+
+    QFileInfo fileInfo( path );
+
+    if( fileInfo.absoluteFilePath().contains( Drive_C, Qt::CaseInsensitive ) &&
+        !fileInfo.absoluteFilePath().contains( Folder_C_Data, Qt::CaseInsensitive ) ) {
+        FM_LOG( QString( "isPathAccessabel false: path contain C and not in data folder" ) );
+        return FmErrPathDenied;
+    }
+    if( !checkDriveAccessFilter( FmUtils::getDriveNameFromPath( fileInfo.absoluteFilePath() ) ) ){
+        return FmErrDriveDenied;
+    }
+    if( !fileInfo.exists() ) {
+        FM_LOG( QString( "isPathAccessabel false: path not exist" ) );
+        return FmErrPathNotExist;
+    }
+    FM_LOG( QString( "isPathAccessabel FmErrNone" ) );
+    return FmErrNone;
+}
+
+/*!
+    Check if drive related to \a path is available.
+    This function should not check if path is available. Only responsible for checking drive  
+    When MMC is not inserted, also return false
+*/
+bool FmUtils::isDriveAvailable( const QString &path )
+{
+    FM_LOG( QString( "isDriveAvailable:" ) + path );
+    if( path.isEmpty() ) {
+        return false;
+    }
+    FmDriverInfo::DriveState driveState = queryDriverInfo( path ).driveState();
+    if( ( driveState & FmDriverInfo::EDriveAvailable ) ) {
+        FM_LOG( QString( "isDriveAvailable true" ) );
+        return true;
+    }
+    FM_LOG( QString( "isDriveAvailable false" ) );
+    return false;
+}
+
+/*!
+    Check if \a folderPath is default folder for system
+*/
+bool FmUtils::isDefaultFolder( const QString &folderPath  )
+{
+    HBufC *path = XQConversions::qStringToS60Desc( folderPath );
+    TPtrC desFolderPath( path->Des() );
+    
+    bool ret( true );
+    TInt pathType( PathInfo::PathType( desFolderPath ) );
+    switch( pathType ){
+       case PathInfo::ENotSystemPath:{
+           QString locString( localize( folderPath ) );
+            if ( locString.isEmpty() ){
+                ret = false;
+                break;
+            }
+            ret = true;
+            break;
+            }
+        case PathInfo::EPhoneMemoryRootPath: // FALL THROUGH
+        case PathInfo::EMemoryCardRootPath: // FALL THROUGH
+        case PathInfo::ERomRootPath:{
+            ret = false;
+            break;
+        }
+        // Accept other folders
+        default:{
+            ret = true;
+            break;
+        }
+    }
+    delete path;
+    return ret;
+}
+
+/*!
+    Create system default folders for drive \a driveName.
+    Default folders should be created after format a drive.
+*/
+void FmUtils::createDefaultFolders( const QString &driveName )
+{
+    if( driveName.isEmpty() ) {
+        return;
+    }
+    int err;
+    
+    TInt drive = 0;
+    drive = driveName[0].toUpper().toAscii() - 'A' + EDriveA;
+    
+    RFs fs;
+    err = fs.Connect();
+    
+    if( err != KErrNone ){
+        return;
+    }
+    
+    quint32 drvStatus( 0 );
+    err = DriveInfo::GetDriveStatus( fs, drive, drvStatus );
+    if ( !( drvStatus & DriveInfo::EDriveUserVisible ) ||
+        ( drvStatus & ( DriveInfo::EDriveRemote |
+                        DriveInfo::EDriveReadOnly |
+                        DriveInfo::EDriveUsbMemory ) ) ){
+            return; 
+        }
+    
+    TEntry entry;
+    CDesCArray* array = PathInfo::GetListOfPathsLC( drive );
+    
+    TInt count( array->MdcaCount() );
+    for ( TInt i( 0 ); i < count; ++i )
+        {
+        TPtrC fullPath( array->MdcaPoint( i ) );
+        TBool allow( ETrue );
+
+        if ( drvStatus & DriveInfo::EDriveRemovable )
+            {
+            // Filter few folder types from physically removable memory cards
+            TInt pathType( PathInfo::PathType( fullPath ) );
+            switch( pathType )
+                {
+                case PathInfo::EGamesPath: // FALL THROUGH
+                case PathInfo::EInstallsPath: // FALL THROUGH
+                case PathInfo::EGsmPicturesPath: // FALL THROUGH
+                case PathInfo::EMmsBackgroundImagesPath: // FALL THROUGH
+                case PathInfo::EPresenceLogosPath:
+                    {
+                    allow = EFalse;
+                    }
+                default:
+                    {
+                    break;
+                    }
+                }
+            }
+
+        if ( allow ){
+            fs.MkDirAll( fullPath ); // Ignore error
+
+            if ( fs.Entry( fullPath, entry ) == KErrNone ){
+                if( entry.IsHidden() ){
+                // If setting fails, File Manager can still go on
+                    fs.SetEntry(
+                         fullPath, entry.iModified, 0, KEntryAttHidden );
+                }
+            }
+        }
+    }
+    CleanupStack::PopAndDestroy( array );
+}
+
+/*!
+    In Symbian system, default folders will be localized.
+    So localize is used to check if a path is a default folder
+    \sa isDefaultFolder
+*/
+QString FmUtils::localize( const QString &path )
+{
+    // HbDirectoryNameLocalizer can not recognize path with \ in the end
+    QString locPath( removePathSplash( path ) );
+    
+    HbDirectoryNameLocalizer localizer;
+    return localizer.translate( locPath );
+}
+
+/*!
+    set the \a desFile attributes as the same with \a srcFile
+*/
+int FmUtils::setFileAttributes( const QString &srcFile, const QString &desFile )
+{
+    RFs fsSession;
+    User::LeaveIfError( fsSession.Connect() ); 
+    CleanupClosePushL( fsSession );
+    RFile64 src;
+    RFile64 des;
+    HBufC *buf1 = XQConversions::qStringToS60Desc( removePathSplash( formatPath( srcFile ) ) );
+    HBufC *buf2 = XQConversions::qStringToS60Desc( removePathSplash( formatPath( desFile ) ) );
+    User::LeaveIfError( src.Open( fsSession, *buf1, EFileRead | EFileShareReadersOnly ) );
+    User::LeaveIfError( des.Open( fsSession, *buf2, EFileWrite | EFileShareExclusive ) );
+    TTime mod;
+    int err = src.Modified( mod );;
+    if ( err == FmErrNone ) {
+        err = des.SetModified( mod );    
+    }
+    TUint att( 0 );
+    if ( err == FmErrNone ) {
+        err = src.Att( att );        
+    }
+    if ( err == FmErrNone ) {
+        des.SetAtt( att, ( ~att ) & KEntryAttMaskSupported );
+    }    
+    src.Close();
+    des.Close();
+    fsSession.Close();
+    CleanupStack::PopAndDestroy(); // fsSession
+    return err;
+}
+
+/*!
+    judge whether there is enough space on \a targetDrive for \a size.
+    return true if has, false if not.
+*/
+bool FmUtils::hasEnoughSpace( const QString &targetDrive, qint64 size )
+{
+    RFs fsSession;
+    QT_TRAP_THROWING( fsSession.Connect() ); 
+    CleanupClosePushL( fsSession );
+    TInt dstDrv(0);
+    HBufC* hbuf = XQConversions::qStringToS60Desc( targetDrive );
+    QT_TRAP_THROWING( RFs::CharToDrive( hbuf->operator [](0), dstDrv ) );
+    bool ret = !SysUtil::DiskSpaceBelowCriticalLevelL( &fsSession,  size , dstDrv );
+    CleanupStack::PopAndDestroy(); // fsSession
+    return ret;
+    
+}
+
+/*!
+    move one file insice the same drive, from \a source to \a target.
+    return KErrNone if successful, otherwise one of the other system-wide error codes.
+*/
+int FmUtils::moveInsideDrive( const QString &source, const QString &target )
+{
+    RFs fsSession;
+    QT_TRAP_THROWING( fsSession.Connect() ); 
+    CleanupClosePushL( fsSession );
+    HBufC* oldName = XQConversions::qStringToS60Desc( source );
+    HBufC* newName = XQConversions::qStringToS60Desc( target );
+    int ret = fsSession.Rename( *oldName, *newName );
+    CleanupStack::PopAndDestroy(); // fsSession
+    return ret;    
+}
+
+/*!
+   Launch a file with associated application.
+*/
+int FmUtils::launchFile( const QString &filePath )
+
+{
+    QFile file( filePath );
+    if( !file.exists() ) {
+        return false;
+    }
+        
+    XQApplicationManager mAiwMgr;
+    XQAiwRequest *request = mAiwMgr.create(file);
+    if ( request == 0 ) {
+        // No handlers for the URI
+        return FmErrUnKnown;
+    }
+    
+    // Set function parameters
+    QList<QVariant> args;
+    args << file.fileName();
+    request->setArguments(args);
+    
+    // Send the request
+    bool res = request->send();
+    if  (!res) 
+    {
+       // Request failed. 
+      int error = request->lastError();
+      
+      delete request;
+      return FmErrUnKnown;
+    }
+    
+    delete request;
+    return FmErrNone;
+}
+
+/*!
+    Send files( \a filePathList ) with share ui.
+*/
+void FmUtils::sendFiles( QStringList &filePathList )
+{
+    ShareUi shareui;
+    shareui.send( filePathList, false );
+}
+
+/*!
+    return path for backup restore config file.
+    Currently \a appPath is not used.
+*/
+QString FmUtils::getBurConfigPath( QString appPath )
+{
+    Q_UNUSED( appPath );
+    QString path( BURCONFIGFILE );
+    return path;
+}
+
+/*!
+    return MetaData string for \a filePath
+*/
+QString FmUtils::getFileType( const QString &filePath  )
+{
+    RApaLsSession apaSession;
+    TDataType dataType;
+    TUid appUid;
+    
+    TBuf<128> mimeTypeBuf;
+        
+    int err = apaSession.Connect();
+    
+    if ( err == KErrNone ){   
+        err = apaSession.AppForDocument( XQConversions::qStringToS60Desc( filePath )->Des(), 
+                                         appUid, dataType );
+        
+        if( err == KErrNone ){
+            mimeTypeBuf.Copy(dataType.Des8());
+        }  
+    }
+    
+    apaSession.Close();
+    return XQConversions::s60DescToQString( mimeTypeBuf );
+}
+
+/*!
+    Check if drive \a driveName is drive C
+*/
+bool FmUtils::isDriveC( const QString &driveName )
+{
+    if( driveName.isEmpty() ) {
+        return false;
+    }
+    TInt drive = 0;
+    drive = driveName[0].toUpper().toAscii() - 'A' + EDriveA;
+    if( drive == EDriveC ){
+        return true;
+    }
+    else{
+        return false;
+    }
+   
+}
+
+/*!
+    return max file name length
+*/
+int FmUtils::getMaxFileNameLength()
+{
+    return KMaxFileName;
+}
+
+/*!
+    Check if length of \a path is exceed max path length. 
+*/
+bool FmUtils::checkMaxPathLength( const QString& path )
+{
+    if( path.length() > KMaxPath ) {
+        return false;
+    }
+    return true;
+}