/*

* Copyright (c) 2010 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:  Implementation of the GPS Watcher

*

*/

#ifndef GPSWATCHER_H_

#define GPSWATCHER_H_

#include <lbs.h>

#include <epos_intgpshwstatus.h>

class CGPSTimeUpdater;

class CDRMClock;

class CGPSWatcher : public CTimer, public MPosIntGpsHwStatusObserver

	{

public:

	~CGPSWatcher();

	static CGPSWatcher* NewL( CDRMClock* aClock );

public: // from MPosIntGpsHwStatusObserver

	/**

	 * Notify observer of a GPS hardware status event

	 * @param aStatus The GPS hardware status.

	 * @param aError KErrNone if successful. Other possible error values defined by RProperty::Get()

	 */

    void OnStatusUpdateEvent(CPosIntGpsHwStatus::TIntGpsHwStatus aStatus, TInt aError);

private:

	CGPSWatcher( CDRMClock* aClock );

	void ConstructL();

	void CheckSatellites();

	TInt CheckModules();

	void RunL();

	void DoCancel();

	TInt RunError( TInt aError );

private:

	// owned:

	RPointerArray<CGPSTimeUpdater> iTimeUpdaters;

	// not owned:

	CDRMClock* iClock;

	// GPS status information:

	CPosIntGpsHwStatus* iStatusUpdater;

	// status received from GPS:

	CPosIntGpsHwStatus::TIntGpsHwStatus iGpsStatus;

	// List of active satellite modules:   

	RPointerArray<TPositionModuleInfo> iActiveSatelliteModules;   

	};

#endif /* GPSWATCHER_H_ */