1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Declaration of the CDbWatcher class

    15 *

    16 */

    17 

    18 

    19 #ifndef DBWATCHER_H

    20 #define DBWATCHER_H

    21 

    22 #include "dirwatcher.h"

    23 #include "watcherobserver.h"

    24 

    25 /**

    26  *  Watches the rights database to detect adding or removing of files

    27  *

    28  *  Uses change notifications on the RDB directories, restarts the device if

    29  *  unauthorized modifications have been detected

    30  *

    31  *  @since S60 3.0

    32  */

    33 NONSHARABLE_CLASS( CDbWatcher ): public CBase

    34     {

    35 

    36 public:

    37 

    38     /**  Number of directories to watch */

    39     static const TInt KNumDirs = 17;

    40 

    41     static CDbWatcher* NewL( MWatcherObserver& aObserver );

    42 

    43     virtual ~CDbWatcher();

    44 

    45     /**

    46      * Start watching the database

    47      *

    48      * @since S60 3.0

    49      */

    50     void StartWatching();

    51 

    52 protected:

    53 

    54 // from base class CActive

    55 

    56     /**

    57      * From CActive.

    58      * Cancel outstanding requests

    59      *

    60      * @since S60 3.0

    61      */

    62     void DoCancel();

    63     

    64     /**

    65      * From CActive.

    66      * Handle events

    67      *

    68      * @since S60 3.0

    69      */

    70     void RunL();

    71     

    72 private:

    73 

    74     CDbWatcher();

    75 

    76     void ConstructL( MWatcherObserver& aObserver );

    77 

    78 private: // data

    79 

    80     /**

    81      * Actual watcher objects

    82      */

    83     CDirWatcher* iDirWatcher[KNumDirs]; 

    84     

    85     /**

    86      * Array of request status fields

    87      */

    88     TRequestStatus iRequestStatus[KNumDirs];

    89 

    90     /**

    91      * File server instance

    92      */

    93     RFs iFs;

    94     };

    95 

    96 #endif // DBWATCHER_H