1 /*

     2 * Copyright (c) 2004 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:  See class definition below.

    15 *

    16 */

    17 

    18 #ifndef __CTCWATCHER_H__

    19 #define __CTCWATCHER_H__

    20 

    21 //  INCLUDES

    22 #include <e32base.h>

    23 #include "RTcWatcher.h"

    24 

    25 //  CLASS DEFINITION

    26 /**

    27  * CTcWatcher implements a wrapper on top of RTcWatcher providing

    28  * a timer for automatically calling RTcWatcher::Ping().

    29  * This class should be preferred by clients instead of RTcWatcher.

    30  */

    31 class CTcWatcher

    32     : public CActive

    33     {

    34     public: // Constructors and destructor

    35 

    36 		/**

    37 		 * Static constructor.

    38 		 *

    39 		 * @param aAppName Application name and full path, for restarting.

    40 		 * @param aTimeout Life timeout

    41 		 * @return An initialised instance of this class.

    42 		 */

    43 		IMPORT_C static CTcWatcher* NewL( const TDesC& aAppName, TInt aTimeout );

    44 

    45 		/// Destructor

    46 		IMPORT_C ~CTcWatcher();

    47 

    48     private: // Constructors

    49 

    50 		/// Default constructor.

    51 		CTcWatcher();

    52 

    53 		/**

    54 		 * Constructor.

    55 		 *

    56 		 * @param aAppName Application name and full path, for restarting.

    57 		 * @param aTimeout Life timeout

    58 		 */

    59         void ConstructL( const TDesC& aAppName, TInt aTimeout );

    60 

    61 	protected: // from CActive

    62 

    63 		void DoCancel();

    64 		void RunL();

    65 

    66 	private: // Data

    67 

    68 		/// Timeout timer. Owned.

    69 		RTimer iTimer;

    70 

    71 		/// Life timeout

    72 		TTimeIntervalMicroSeconds32 iTimeout;

    73 

    74 		/// Watcher client. Owned.

    75 		RTcWatcher iWatcher;

    76 

    77     };

    78 

    79 #endif // __CTCWATCHER_H__