// Copyright (c) 2000-2009 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:

//

#ifndef __SIGNALSTRENGTHWATCHER_H__

#define __SIGNALSTRENGTHWATCHER_H__

// System includes

#include <e32base.h>

#include <etelext.h>

#include <etelmm.h>

#include <etel.h>

// Base include

#include "watcherbase.h"

// Classes referenced

class RFs;

//

// ------> CSignalStrengthWatcher (header)

//

class CSignalStrengthWatcher : public CPhoneWatcher

/**

@internalComponent

*/

	{

//

public: // STATIC CONSTRUCT / DESTRUCT

//

	static CSignalStrengthWatcher* NewL(TAny* aWatcherParams);

	~CSignalStrengthWatcher();

//

private: // CONSTRUCT

//

	CSignalStrengthWatcher();

	void ConstructL();

//

private: // FROM CPhoneWatcher

//

	void HandlePhoneStateEventL(TInt aCompletionCode);

	void HandleCancel();

	void ReleasePhoneResources();

//

private: // INTERNAL

//

	enum TSignalStrengthState

		{

		ESignalStrengthNotYetInitialised = 0,

		ESignalStrengthStateRequestInitialSignalStrength,

		ESignalStrengthWaitingForInitialSignalStrength,

		ESignalStrengthStateIssuingSignalChangeNotificationRequest

		};

	inline TSignalStrengthState& SignalStrengthState() { return iState; }

	void HandleSignalStrengthUpdateL(TInt aCompletionCode);

	void SignalPanic(TWatcherPanic aPanicNumber);

//

private: // MEMBER DATA

//

	TInt32 iSignalStrength;

	TInt8 iSignalBars;

	TSignalStrengthState iState;

	RProperty iNetworkStrengthProperty;	

	};

#endif