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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SYMBIAN_LBSTRACKER_H
#define SYMBIAN_LBSTRACKER_H
#include <QObject>
#include "qmobilityglobal.h"
#include "qgeopositioninfo.h"
#include "symbian_lbsfacade_p.h"
#include <QGeoPositionInfo>
#include <QGeoPositionInfoSource>
#include "qgeopositioninfo.h"
#include "qgeopositioninfosource.h"
#include <lbssatellite.h>
QT_BEGIN_HEADER
QTM_BEGIN_NAMESPACE
class CLbsPositionTrackerBase;
class CTrackingPsy;
class MLbsTrackingCallback
{
public:
virtual void TrackingLocation(QGeoPositionInfo *aPosition, CLbsPositionTrackerBase *aTracker) = 0;
virtual void TrackingRequestTimedOut(CLbsPositionTrackerBase *aBase) = 0;
};
//Base class for all tracking requestors
class CLbsPositionTrackerBase : public CBase
{
public:
QString iTrackerName;//Only for debugging purposes
enum TrackingType {
AllPsys = 1,
GPSOnly,
NWOnly
};
virtual ~CLbsPositionTrackerBase();
virtual void StartUpdates() = 0;
virtual void StopUpdates() = 0;
virtual void SetUpdateInterval(TMilliSeconds mSec) = 0;
void SetObserver(MLbsTrackingCallback *aObserver);
TMilliSeconds GetUpdateInterval() const;
TMilliSeconds GetMinimumUpdateInterval() const;
CLbsPositionTrackerBase::TrackingType GetTrackingType() const;
QGeoPositionInfo* GetLastPosition() const;
protected:
CLbsPositionTrackerBase(TrackingType aType, CPsyContainer *aContainer, MLbsTrackingCallback *aObserver);
TrackingType iTrackType;
MLbsTrackingCallback *iObserver;
CPsyContainer *iContainer;
QGeoPositionInfo *iLatestQPosInfo;
QGeoPositionInfo *iLastQPosInfo;
TTimeIntervalMicroSeconds iUpdateInterval;
TTimeIntervalMicroSeconds iMinUpdateInterval;
};
class LbsTrackTimerStateBase;
class LbsTrackTimerIdleState;
class LbsTrackTimerFFState;
class LbsTrackTimerTimedoutState;
class LbsTrackTimerRunningState;
class CLbsTrackTimerBase : public CLbsPositionTrackerBase, public CTimer
, public MPsyRequestCallback, public MPsyCountChangeCallback
{
public:
//CLbsPositionTrackerBase
void StartUpdates();
void StopUpdates();
void SetUpdateInterval(TMilliSeconds mSec);
protected:
CLbsTrackTimerBase(TrackingType aType, CPsyContainer *aContainer,
MLbsTrackingCallback *aObserver, TTimeIntervalMicroSeconds32 aTTFFTimeOut);
void ConstructL();
~CLbsTrackTimerBase();
//MPsyRequestCallback
void LocationUpdate(TPositionInfoBase &aPosition, CSelfManagingPsy *aPsy);
void RequestTimedOut(CSelfManagingPsy *aPsy);
//CTimer
void RunL();
void DoCancel();
void CancelPsyRequests();
//MPsyCountChangeCallback
void PsyUninstalled(TPositionModuleId &aModId);
void PsyInstalled(TPositionModuleInfo* aModInfo);
void InitializePSYs(RArray<TPositionModuleInfo*> aModInfoArray, const TInt64 aDefaultMinInterval);
RArray<CTrackingPsy*> iTrackingPsys;
TTimeIntervalMicroSeconds32 iTTFFTimeOut;
LbsTrackTimerStateBase *iCurrentState;
LbsTrackTimerStateBase *iIdleState;
LbsTrackTimerStateBase *iFirstFixState;
LbsTrackTimerStateBase *iTimedoutState;
LbsTrackTimerStateBase *iRunningState;
private:
void SetNextState(LbsTrackTimerStateBase *aNextState);
friend class LbsTrackTimerStateBase;
friend class LbsTrackTimerIdleState;
friend class LbsTrackTimerFFState;
friend class LbsTrackTimerTimedoutState;
friend class LbsTrackTimerRunningState;
};
//Satellite based tracking requestor
class CLbsSatellitePositionTracker : public CLbsTrackTimerBase
{
public:
static CLbsSatellitePositionTracker* NewL(CPsyContainer *aContainer, MLbsTrackingCallback *aObserver);
~CLbsSatellitePositionTracker();
private:
CLbsSatellitePositionTracker(CPsyContainer *aContainer, MLbsTrackingCallback *aObserver);
void ConstructL();
};
//Non Satellite based tracking requestor
class CLbsNonSatellitePositionTracker : public CLbsTrackTimerBase
{
public:
static CLbsNonSatellitePositionTracker* NewL(CPsyContainer *aContainer, MLbsTrackingCallback *aObserver);
~CLbsNonSatellitePositionTracker();
private:
CLbsNonSatellitePositionTracker(CPsyContainer *aContainer, MLbsTrackingCallback *aObserver);
void ConstructL();
};
class CLbsAllPosProxyState;
//Proxy which internally uses the satellite tracker and NW tracker
class CLbsAllPosProxy : public CLbsPositionTrackerBase, public MLbsTrackingCallback
{
public:
static CLbsAllPosProxy* NewL(CPsyContainer *aContainer, MLbsTrackingCallback *aObserver,
CLbsSatellitePositionTracker *aSatelliteTracker = NULL, CLbsNonSatellitePositionTracker *aNWTracker = NULL);
CLbsSatellitePositionTracker* ReleaseSatelliteTracker();
CLbsNonSatellitePositionTracker* ReleaseNWTracker();
~CLbsAllPosProxy();
private:
CLbsAllPosProxy(CPsyContainer *aContainer, MLbsTrackingCallback *aObserver,
CLbsSatellitePositionTracker *aSatelliteTracker = NULL, CLbsNonSatellitePositionTracker *aNWTracker = NULL);
void ConstructL(CLbsSatellitePositionTracker *aSatelliteTracker , CLbsNonSatellitePositionTracker *aNWTracker);
//Should be propagated to the other Satellite and NW trackers
void SetUpdateInterval(TMilliSeconds mSec);
void StartUpdates();
void StopUpdates();
//Used for listening to updates from satellite tracker and NW Tracker
void TrackingLocation(QGeoPositionInfo *aPosition, CLbsPositionTrackerBase *aTracker);
void TrackingRequestTimedOut(CLbsPositionTrackerBase *aBase);
void SetNextState(CLbsAllPosProxyState *nextState);
void NotifyFixToObserver(QGeoPositionInfo *aPosition);
void NotifyTimeOutToObserver();
CLbsSatellitePositionTracker *iSatelliteTracker;
CLbsNonSatellitePositionTracker *iNWTracker;
CLbsAllPosProxyState *iCurrentState;
//states
CLbsAllPosProxyState *iIdle;
CLbsAllPosProxyState *iInitialHybrid;
CLbsAllPosProxyState *iSatelliteOnly;
CLbsAllPosProxyState *iRunningHybrid;
friend class CLbsAllPosIdle;
friend class CLbsAllPosInitialHybrid;
friend class CLbsAllPosSatelliteOnly;
friend class CLbsAllPosRunningHybrid;
};
class CTrackingPsy : public CSelfManagingPsy
{
public:
static CTrackingPsy* NewL(TPositionModuleInfo* aPsy, CPsyContainer *aContainer,
MPsyRequestCallback* aRequestCallback);
virtual ~CTrackingPsy();
void IssueRequest(TTimeIntervalMicroSeconds updateInterval);
protected:
CTrackingPsy(TPositionModuleInfo* aPsy, CPsyContainer *aContainer, MPsyRequestCallback* aRequestCallback, TPositionInfoBase &aPos);
void ConstructL();
void RunL();
};
QTM_END_NAMESPACE
QT_END_HEADER
#endif
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