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 CDirWatcher class

    15 *

    16 */

    17 

    18 

    19 #ifndef DIRWATCHER_H

    20 #define DIRWATCHER_H

    21 

    22 #include "watcherobserver.h"

    23 

    24 /**  Prefix used when signaling the observer which directory has changed */

    25 _LIT( KDirIdentifier, "RDB: " );

    26 

    27 /**

    28  *  Watches a single directory

    29  *

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

    31  *  unauthorized modifications have been detected

    32  *

    33  *  @since S60 3.0

    34  */

    35 NONSHARABLE_CLASS( CDirWatcher ): public CActive

    36     {

    37 public:

    38 

    39     static CDirWatcher* NewL( MWatcherObserver& aObserver, RFs& aFs, const TDesC& aDir );

    40 

    41     virtual ~CDirWatcher();

    42 

    43     /**

    44      * Start watching the database

    45      *

    46      * @since S60 3.0

    47      */

    48     void StartWatching();

    49 

    50 protected:

    51 

    52 // from base class CActive

    53 

    54     /**

    55      * From CActive.

    56      * Cancel outstanding requests

    57      *

    58      * @since S60 3.0

    59      */

    60     void DoCancel();

    61     

    62     /**

    63      * From CActive.

    64      * Handle events

    65      *

    66      * @since S60 3.0

    67      */

    68     void RunL();

    69     

    70 private:

    71 

    72     CDirWatcher( MWatcherObserver& aObserver, RFs& aFs );

    73 

    74     void ConstructL( const TDesC& aDir );

    75 

    76 private: // data

    77 

    78     RFs& iFs;

    79     TFileName iDir;

    80     MWatcherObserver& iObserver;

    81     };

    82 

    83 #endif // DIRWATCHER_H