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:  Implementation of the RDB watcher

    15 *

    16 */

    17 

    18 

    19 #include <e32def.h>

    20 #include <e32base.h>

    21 #include <f32file.h>

    22 #include <sysutil.h>

    23 #include "dirwatcher.h"

    24 #include "dbwatcher.h"

    25 #include "drmlog.h"

    26 

    27 static const TNotifyType KWatchTrigger = ENotifyEntry;

    28 

    29 // ======== MEMBER FUNCTIONS ========

    30 

    31 void CDirWatcher::ConstructL( const TDesC& aDir )

    32     {

    33     DRMLOG( _L( "CDirWatcher::ConstructL <-" ) );

    34 

    35     iDir.Copy( aDir );    

    36     CActiveScheduler::Add( this );

    37     

    38     DRMLOG( _L( "CDirWatcher::ConstructL ->" ) );

    39     }

    40 

    41 CDirWatcher* CDirWatcher::NewL( MWatcherObserver& aObserver, RFs& aFs, const TDesC& aDir )

    42     {

    43     CDirWatcher* self = new( ELeave ) CDirWatcher( aObserver, aFs );

    44     self->ConstructL( aDir );

    45     return self;

    46     }

    47 

    48 CDirWatcher::CDirWatcher( MWatcherObserver& aObserver, RFs& aFs ):

    49     CActive( EPriorityStandard ),

    50     iFs( aFs ),

    51     iObserver( aObserver )

    52     {

    53     DRMLOG( _L( "CDirWatcher::CDirWatcher ->" ) );

    54     DRMLOG( _L( "CDirWatcher::CDirWatcher <-" ) );

    55     }

    56 

    57 CDirWatcher::~CDirWatcher()

    58     {

    59     DRMLOG( _L( "CDirWatcher::~CDirWatcher ->" ) );

    60 

    61     Cancel();

    62     

    63     DRMLOG( _L( "CDirWatcher::~CDirWatcher <-" ) );

    64     }

    65 

    66 void CDirWatcher::StartWatching()

    67     {

    68     DRMLOG( _L( "CDirWatcher::StartWatching ->" ) );

    69     

    70     DRMLOG( iDir );

    71     Cancel();

    72     iFs.NotifyChangeCancel();

    73     iFs.NotifyChange( KWatchTrigger, iStatus, iDir );

    74     SetActive();

    75 

    76     DRMLOG( _L( "CDirWatcher::StartWatching <-" ) );

    77     }

    78     

    79 void CDirWatcher::DoCancel()

    80     {

    81     DRMLOG( _L( "CDirWatcher::DoCancel ->" ) );

    82     

    83     iFs.NotifyChangeCancel();

    84     

    85     DRMLOG( _L( "CDirWatcher::DoCancel <-" ) );

    86     }

    87     

    88 void CDirWatcher::RunL()

    89     {

    90     TBuf<256> logBuffer;

    91     TFileName object;

    92     

    93     DRMLOG( _L( "CDirWatcher::RunL ->" ) );

    94     

    95     DRMLOG( iDir );

    96     logBuffer.AppendNum( iStatus.Int() );

    97     DRMLOG( logBuffer );

    98     if ( iStatus == KErrNone )

    99         {

   100         object.Copy( KDirIdentifier );

   101         object.Append( iDir );

   102         iObserver.WatchedObjectChangedL( object );

   103         }

   104     iFs.NotifyChange( KWatchTrigger, iStatus, iDir );

   105     SetActive();

   106     

   107     DRMLOG( _L( "CDirWatcher::RunL <-" ) );

   108     }