/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*

*/

// INCLUDE FILES

#ifndef __BROWSERTELSERVICEETELWATCHER_H

#define __BROWSERTELSERVICEETELWATCHER_H

#include <etel.h>

// CLASS DECLARATION

/**

* Observer for CBrowserTelService

*/

class MBrowserTelServiceEtelWatcherObserver

	{

	public:

        /**

        * Notification of a status change.

        * @param aStatus The status.

        */

		virtual void BrowserTelServiceEtelWatcherEvent(

			RCall::TStatus& aStatus ) = 0;

	};

/**

* Watcher for possible etel status changes.

*/

class CBrowserTelServiceEtelWatcher : public CActive

	{

	public:		// Constructors and destructor

		/**

        * Destructor.

        */

		~CBrowserTelServiceEtelWatcher();

        /**

        * Two-phased constructor. Leaves on failure.

        * @param aObserver The observer for CBrowserTelService.

        * @return The constructed CBrowserTelService object.

        */

		static CBrowserTelServiceEtelWatcher* NewL(

			MBrowserTelServiceEtelWatcherObserver* aObserver );

		static CBrowserTelServiceEtelWatcher* NewLC(

			MBrowserTelServiceEtelWatcherObserver* aObserver );

	public:		// New functions

		/**

        * Request a notification on etel status change.

        */

		void NotifyOnEtelStatusChangeL();

		/**

        * Cancel the request set with NotifyOnEtelStatusChangeL().

        */

		void NotifyOnEtelStatusChangeCancel();

	private:

	    /**

        * C++ default constructor.

        */

		CBrowserTelServiceEtelWatcher();

		/**

        * Second phase constructor. Leaves on failure.

        * @param aObserver The observer for CBrowserTelService. 

        */

		void ConstructL( MBrowserTelServiceEtelWatcherObserver* aObserver );

	private:	// Functions from base classes

		/**

		* From CActive

		*/

		void DoCancel();

		void RunL();

	private:	// Data

		MBrowserTelServiceEtelWatcherObserver* iObserver;

		RTelServer iRTelServer;

		RPhone iRPhone;

		RLine iRLine;

		RCall::TStatus iCallStatus;

	};

#endif	// __ETELWATCHER_H