/*

* Copyright (c) 2007 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:

*

*/

#ifndef DEVENC_SESSION_H

#define DEVENC_SESSION_H

#include <f32file.h>

#include <e32property.h>

#include "DevEncSessionBase.h"

class CDevEncEngineBase;

// CONSTANTS

// CLASS DECLARATION

/**

* A session object for communication between the UI and NFE extension.

*/

class CDevEncSession: public CDevEncSessionBase

    {

    public:

        IMPORT_C explicit CDevEncSession();

        IMPORT_C explicit CDevEncSession( TDriveNumber aNumber );

        ~CDevEncSession();

        IMPORT_C TInt Connect();

        IMPORT_C void Close();

        IMPORT_C TInt StartDiskEncrypt();

        IMPORT_C TInt StartDiskDecrypt();

        IMPORT_C TInt StartDiskWipe();

        IMPORT_C TInt DiskStatus( TInt& aStatus ) const;

        IMPORT_C TInt Progress( TInt& aProgress ) const;

        IMPORT_C TBool Connected() const;

        IMPORT_C TDriveNumber DriveNumber() const;

        IMPORT_C void SetDrive( TDriveNumber aNumber );   

        /**

         * Sets the access control for device encryption

         * @param aValue is of type TDevEncControl

         * @return KErrNone or system wide error

         */

        IMPORT_C TInt SetDevEncControlL(TInt aValue);

        /**

         * Gets the access control value for device encryption

         * @param aValue is set when the function returns

         * @return KErrNone or system wide error

         */

        IMPORT_C TInt GetDevEncControlL(TInt& aValue);

    private:

        TInt StartDiskOperation( TInt aOp );

        void LoadDevEncEngineL();

        void UnloadDevEncEngine();

    private:

        TBool iConnected;

        TDriveNumber iDriveNumber;

        mutable RProperty iToNfe;

        mutable RProperty iFromNfe;

        mutable RProperty iProgress;

        mutable RProperty iNfeStatusToUi;

        CDevEncEngineBase* iDevEncEngine;

        RLibrary iLibrary;

    };

#endif // DEVENC_SESSION_H

// End of file