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 CProcWatcher class

    15 *

    16 */

    17 

    18 

    19 #ifndef PROCWATCHER_H

    20 #define PROCWATCHER_H

    21 

    22 #include "watcherobserver.h"

    23 

    24 /**  Prefix used when signaling the observer which process was killed */

    25 _LIT( KProcIdentifier, "PROC: " );

    26 

    27 /**

    28  *  Watches a process

    29  *

    30  *  Logs onto a specified process and signals an observer when that process dies.

    31  *

    32  *  @since S60 3.0

    33  */

    34 NONSHARABLE_CLASS( CProcWatcher ): public CActive

    35     {

    36 public:

    37 

    38     static CProcWatcher* NewL( MWatcherObserver& aObserver, const TDesC& aProcess, const TDesC& aFile );

    39 

    40     virtual ~CProcWatcher();

    41 

    42     /**

    43      * Start watching the process

    44      *

    45      * @since S60 3.0

    46      * @return KErrNone if watching started correctly

    47      */

    48     TInt 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     CProcWatcher( MWatcherObserver& aObserver );

    73 

    74     void ConstructL( const TDesC& aProcess, const TDesC& aFile );

    75 

    76 private: // data

    77 

    78     TFullName iProcessName;

    79     TFileName iFileName;

    80     RProcess iProcess;

    81     MWatcherObserver& iObserver;

    82     };

    83 

    84 #endif // DIRWATCHER_H