/*

* 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 DRM Rights database

*

*/

#ifndef DRMOBSOLETEFINDER_H

#define DRMOBSOLETEFINDER_H

// INCLUDES

#include <e32base.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FORWARD DECLARATIONS

class RFs;

class CDir;

class CDRMRightsDB;

class CDcfRep;

// FUNCTION PROTOTYPES

// CLASS DECLARATION

/**

*  CDRMObsoleteFinder implements expired rights cleanup

*  for drm rights database

*

*  @lib RightsServer.exe

*  @since 3.0

*/

NONSHARABLE_CLASS( CDRMObsoleteFinder ) : public CActive

    {

    public: // Constructors and destructor

        /**

        * NewL

        *

        * Creates an instance of the CDRMObsoleteFinder class and returns a pointer

        * to it

        *

        * @since    3.0

        * @param    aFs : Open file server session

        * @param    aDatabase : CDRMRightsDB object

        *                     fully done

        * @param    aStream : stream to write the result into

        * @param    aPerformScan : if a filesystem scan need to be performed

        *

        * @return   Functional CDRMObsoleteFinder object, Function leaves if an error

        *           occurs.

        */

        static CDRMObsoleteFinder* NewL( RFs& aFs,

                                        CDRMRightsDB* aDatabase,

                                        TRequestStatus& aStatus,

                                        RWriteStream& aStream,

                                        TBool aPerformScan );

        /**

        * Destructor

        */

        virtual ~CDRMObsoleteFinder();

        /**

        * ExecuteCleanupLD

        * Delete expired permissions. The object is deleted when

        * the function completes

        *

        * @since    3.0

        * @return   None

        *

        void ExecuteFinderLD();

        void DoCleanup();

    protected:

        /**

        * From CActive: RunL.

        */

        void RunL();

        /**

        * From CActive: DoCancel performs cancel

        void DoCancel();

        /**

        * From CActive: RunError checks the errors from RunL.

        */

    private:

        /**

        * Default Constructor - First phase. Prevented.

        */

        /**

        * Default Constructor - First phase.

        */

        CDRMObsoleteFinder( RFs& aFs,

                            CDRMRightsDB* aDatabase,

                            TRequestStatus& aStatus,

        /**

        * ConstructL

        *

        * Second phase constructor

        *

        * @since  3.0

        * @return Leaves if an error occurs

        /**

        * Assignment operator - Prevented

        */

        /**

        * Copy constructor - Prevented

        */

        /**

        * Get possible parents the content if there are any

        *

        * @since    3.0

        * @param    aContentId : identifier of the content whom to check for

        *                        parents

        * @param    aParents : pointer array of parents the new ones will be

        *                      inserted

        * @return none

        */

        void GetParentsL( const TDesC8& aContentId,

                          RPointerArray<HBufC8>& aParents );

        /**

        * Write the Obsolete contents to the stream

        *

        * @since    3.0

        * @return   none

        * @leave    Symbian OS error code

        */

        void ObsoleteToStreamL();

    private:

        // Dcf repository client

        CDcfRep* iDcfClient;

        // List of content id's

        CDRMPointerArray<HBufC8>* iContents;

        // List of content id's

        CDRMPointerArray<HBufC8>* iParents;

        // List of content id's

        CDRMPointerArray<HBufC8>* iNoContents;

        // Index we are going at:

        TInt iIndex;

        // fileserver session

        RFs& iFileServer;

        // output stream

        RWriteStream& iStream;

        // rights database file, fileserver subsession

        CDRMRightsDB* iRightsDb;

        // request status to be set complete

        TRequestStatus& iOperationStatus;

        // State of the active object

        TInt iState;

        // Cancelling status

        TInt iCancel;

    };

// End of File