/*

* Copyright (c) 2005 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:  Interface for the DRMBackup service

*

*/

#ifndef DRMBACKUPINTERFACE_H

#define DRMBACKUPINTERFACE_H

// INCLUDES

// CONSTANTS

const TInt KDRMNormalBackup    = 0;

const TInt KDRMUDTBackup       = 1;

// Backup Directory

_LIT(KBackupDirectory, "C:\\private\\101F51F2\\backup\\");

// Filename of the rights database

_LIT( KRightsDbBackupFile, "rightsdb.bak" );

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class RFile;

class TDesC8;

// CLASS DECLARATION

/**

*  MDRMBackupInterface is the interface required to be

*  implemented by components in DRM wanting to use

*  active backup

*

*  @lib rightsserver.exe

*  @since 3.0

*/

class MDRMBackupInterface

    {

    public:

    /**

    * BackupContentToFileL

    *

    * Backups content to file in encrypted format

    *

    * @since    3.0

    * @param    aBackupFile : File handle to the backup file

    * @param    aEncryptionKey : the key to use to encrypt the backup file

    * @leave    Symbian OS error code if an error occurs 

    */

    virtual void BackupContentToFileL( RFile& aBackupFile,

                                       const TDesC8& aEncryptionKey, 

                                       const TInt aMode ) = 0;

    /**

    * RestoreContentFromFileL

    *

    * Restores the content file from encrypted format

    *

    * @since    3.0

    * @param    aBackupFile : File handle to backup file

    * @param    aEncryptionKey : the key to use to encrypt the backup file

    * @leave    Symbian OS error code if an error occurs 

    */                           

    virtual void RestoreContentFromFileL( RFile& aBackupFile,

                                          const TDesC8& aEncryptionKey,

                                          const TInt aMode ) = 0;

    };

#endif      // DRMBACKUPINTERFACE_H   

// End of File