* Copyright (c) 2002-2010 Nokia Corporation and/or its subsidiary(-ies).

    iConnected = EFalse;

    iSifOptions = Usif::COpaqueNamedParams::NewL();

    iSifResults = Usif::COpaqueNamedParams::NewL();

    // Set needed parameters for silent install.

    FLOG( _L("Daemon: CSilentLauncher::ConstructL: InstallSilently") );

    iSifOptions->AddIntL( Usif::KSifInParam_InstallSilently, ETrue );

    iSifOptions->AddIntL( Usif::KSifInParam_PerformOCSP, EFalse );   

    // Note if upgrade is allowed, see NeedsInstallingL function.

    iSifOptions->AddIntL( Usif::KSifInParam_AllowUpgrade, EFalse );

    iSifOptions->AddIntL( Usif::KSifInParam_AllowUntrusted, EFalse );

    iSifOptions->AddIntL( Usif::KSifInParam_GrantCapabilities, EFalse ); 

    // Defined for the install.

    iSifOptions->AddIntL( Usif::KSifInParam_InstallOptionalItems, ETrue );          

    iSifOptions->AddIntL( Usif::KSifInParam_IgnoreOCSPWarnings, ETrue );            

    iSifOptions->AddIntL( Usif::KSifInParam_AllowAppShutdown, ETrue );

    iSifOptions->AddIntL( Usif::KSifInParam_AllowDownload, ETrue );

    iSifOptions->AddIntL( Usif::KSifInParam_AllowOverwrite, ETrue );

    iSifOptions->AddIntL( Usif::KSifInParam_AllowOverwrite, ETrue );

// TODO: is this defined in USIF?    

    //iSifOptions->AddIntL( Usif::KSifInParam_Languages, NULL );

// TODO: Not supported anymore after wk18, do we have some other param for this.

    //iSifOptions->AddIntL( Usif::KSifInParam_DisplayPackageInfo, ETrue );

// TODO: remove old params.

    /*

    // Old swinstdefs.inl defines for install.   

    iUpgrade( EPolicyAllowed ),

    iOptionalItems( EPolicyAllowed ),

    iOCSP( EPolicyAllowed ),    

    iIgnoreOCSPWarnings( EPolicyAllowed ),

    iUntrusted( EPolicyNotAllowed ),

    iPackageInfo( EPolicyAllowed ),

    iCapabilities( EPolicyAllowed ),

    iKillApp( EPolicyAllowed ),

    iDownload( EPolicyAllowed ),

    iOverwrite( EPolicyAllowed ),

    iDrive( 'C' ),

    iLang( ELangNone ),

    iUsePhoneLang( ETrue ),

    iUpgradeData( EPolicyAllowed )

    */        

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

// CSilentLauncher::~CSilentLauncher()

// Destructor.

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

//    

    {   

    delete iSifOptions;

    delete iSifResults;

    if ( iConnected )

        {

        iSWInstallerFW.Close();

        }

    delete iDrive;

// Perform installation with file handle.

void CSilentLauncher::InstallL( RFile& aFileHandle, 

                                const TDesC& aFile, 

                                TRequestStatus& aStatus )

    FLOG( _L("Daemon: CSilentLauncher::InstallL (aFileHandle) START") );

         {

         FLOG( _L("Daemon: Connect to sif installer server") );    

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

         iConnected = ETrue;            

         }

    // Set drive for installer.

//    delete iDrive  

//    iDrive = NULL;

//    iDrive = HBufC::NewLC( 8 );

//    TPtr drivePtr = iDrive->Des();

//     

//    TInt driveNumber = 0;

//    TDriveInfo driveInfo;

//    aFileHandle.Drive( driveNumber, driveInfo );

// TODO: how is this used? Is this drive letter?      

//    iSifOptions->AddStringL( Usif::KSifInParam_Drive , *drive );

    iSWInstallerFW.Install( aFileHandle, 

                           *iSifOptions, 

                           *iSifResults,

                           aStatus,

                           ETrue );

    FLOG( _L("Daemon: CSilentLauncher::InstallL (aFileHandle) END") );       

    FLOG( _L("Daemon: Cancel Install operation") );            

    iSWInstallerFW.CancelOperation();