omadrm/drmengine/drmclock/Inc/GPSWatcher.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 14 May 2010 16:07:34 +0300
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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Implementation of the GPS Watcher
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*
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*/
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#ifndef GPSWATCHER_H_
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#define GPSWATCHER_H_
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#include <lbs.h>
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#include <epos_intgpshwstatus.h>
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class CGPSTimeUpdater;
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class CDRMClock;
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class CGPSWatcher : public CTimer, public MPosIntGpsHwStatusObserver
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	{
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public:
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	~CGPSWatcher();
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	static CGPSWatcher* NewL( CDRMClock* aClock );
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public: // from MPosIntGpsHwStatusObserver
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	/**
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	 * Notify observer of a GPS hardware status event
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	 * @param aStatus The GPS hardware status.
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	 * @param aError KErrNone if successful. Other possible error values defined by RProperty::Get()
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	 */
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    void OnStatusUpdateEvent(CPosIntGpsHwStatus::TIntGpsHwStatus aStatus, TInt aError);
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private:
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	CGPSWatcher( CDRMClock* aClock );
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	void ConstructL();
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	void CheckSatellites();
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	TInt CheckModules();
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	void RunL();
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	void DoCancel();
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	TInt RunError( TInt aError );
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private:
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	// owned:
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	RPointerArray<CGPSTimeUpdater> iTimeUpdaters;
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	// not owned:
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	CDRMClock* iClock;
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	// GPS status information:
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	CPosIntGpsHwStatus* iStatusUpdater;
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	// status received from GPS:
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	CPosIntGpsHwStatus::TIntGpsHwStatus iGpsStatus;
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	// List of active satellite modules:   
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	RPointerArray<TPositionModuleInfo> iActiveSatelliteModules;   
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	};
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#endif /* GPSWATCHER_H_ */