/*

* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  See class definition below.

*

*/

#ifndef __CTCWATCHER_H__

#define __CTCWATCHER_H__

//  INCLUDES

#include <e32base.h>

#include "RTcWatcher.h"

//  CLASS DEFINITION

/**

 * CTcWatcher implements a wrapper on top of RTcWatcher providing

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

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

 */

class CTcWatcher

    : public CActive

    {

    public: // Constructors and destructor

		/**

		 * Static constructor.

		 *

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

		 * @param aTimeout Life timeout

		 * @return An initialised instance of this class.

		 */

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

		/// Destructor

		IMPORT_C ~CTcWatcher();

    private: // Constructors

		/// Default constructor.

		CTcWatcher();

		/**

		 * Constructor.

		 *

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

		 * @param aTimeout Life timeout

		 */

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

	protected: // from CActive

		void DoCancel();

		void RunL();

	private: // Data

		/// Timeout timer. Owned.

		RTimer iTimer;

		/// Life timeout

		TTimeIntervalMicroSeconds32 iTimeout;

		/// Watcher client. Owned.

		RTcWatcher iWatcher;

    };

#endif // __CTCWATCHER_H__