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    41 

    42 #include "qgeoareamonitor_s60_p.h"

    43 #include "qgeopositioninfo.h"

    44 #include "qmlbackendmonitorinfo_s60_p.h"

    45 #include "qmlbackendmonitorcreatetriggerao_s60_p.h"

    46 

    47 QTM_BEGIN_NAMESPACE

    48 

    49 TInt QGeoAreaMonitorS60::refCount = 0;

    50 

    51 QGeoAreaMonitorS60* QGeoAreaMonitorS60::NewL(QObject *aParent)

    52 {

    53     QGeoAreaMonitorS60 *self = QGeoAreaMonitorS60::NewLC(aParent);

    54     CleanupStack::Pop();

    55     if (!self->isValid()) {

    56         delete self;

    57         self = NULL;

    58     }

    59     return self;

    60 }

    61 

    62 //creates an entry and exit trigger based on the aCoordinate and

    63 //aRadius values passed as argument

    64 void QGeoAreaMonitorS60::setMonitoredArea(const QGeoCoordinate & aCoordinate, qreal aRadius)

    65 {

    66     TCoordinate coord;

    67 

    68     TInt ret1 = QCoordinateToTCoordinate(aCoordinate, coord);

    69 

    70     TInt ret2 = iTriggerCreateAO->getRadius(aRadius);

    71 

    72     if (ret2 == KErrNone)

    73         QGeoAreaMonitor::setRadius(aRadius);

    74 

    75     if ((ret1 != KErrNone) || (ret2 != KErrNone))

    76         return;

    77 

    78     //Intialize the trigger and enable the trigger if atleast one slot is  connected to the areaEntered

    79     //signal

    80     if ((iTriggerCreateAO->InitializeTrigger(this, EntryTrigger, coord, aRadius)) &&

    81             (receivers(SIGNAL(areaEntered(const QGeoPositionInfo&))) > 0)) {

    82         iTriggerCreateAO->SetTriggerState(this, EntryTrigger, true);

    83         iTriggerAO->NotifyFiredEvent();

    84     }

    85 

    86     //Intialize the trigger and enable the trigger if atleast one slot is  connected to the areaExited

    87     //signal

    88     if ((iTriggerCreateAO->InitializeTrigger(this, ExitTrigger, coord, aRadius)) &&

    89             (receivers(SIGNAL(areaExited(const QGeoPositionInfo&))) > 0)) {

    90         iTriggerCreateAO->SetTriggerState(this, ExitTrigger, true);

    91         iTriggerAO->NotifyFiredEvent();

    92     }

    93 

    94     //request for the trigger change notification events

    95     iNotifyTriggerAO->NotifyChangeEvent();

    96 }

    97 

    98 //virtual function sets the Center of the monitoring area to coordinate

    99 void QGeoAreaMonitorS60::setCenter(const QGeoCoordinate& coordinate)

   100 {

   101     if (coordinate.isValid())

   102         QGeoAreaMonitor::setCenter(coordinate);

   103     else

   104         return;

   105 

   106     if (QGeoAreaMonitor::radius() != 0)     //if radius is not initialised

   107         setMonitoredArea(coordinate, QGeoAreaMonitor::radius());

   108 }

   109 

   110 //virtual fucntion sets the radius of the monitorijng area to the radius

   111 void QGeoAreaMonitorS60::setRadius(qreal radius)

   112 {

   113     setMonitoredArea(QGeoAreaMonitor::center(), radius);

   114 }

   115 

   116 //callback from the QMLBackendMonitorAO object for the entry/exit event

   117 void QGeoAreaMonitorS60::handleTriggerEvent(TPositionInfo aPosInfo, enTriggerType aStatus)

   118 {

   119     QGeoPositionInfo posInfo;

   120 

   121     TPositionInfoToQGeoPositionInfo(aPosInfo, posInfo);

   122 

   123     if (!posInfo.isValid())

   124         return;

   125 

   126     switch (aStatus) {

   127         case  EntryTrigger :           //emit areaEntered trigger

   128             emit areaEntered(posInfo);

   129             break;

   130         case ExitTrigger :             //emit areaExited trigger

   131             emit areaExited(posInfo);

   132             break;

   133         case NotifyChangesTrigger:

   134         case InvalidTrigger:

   135             break;

   136     }

   137 

   138 }

   139 

   140 

   141 

   142 //destructor cleaning up the resources

   143 QGeoAreaMonitorS60::~QGeoAreaMonitorS60()

   144 {

   145 

   146     if (iTriggerAO || iNotifyTriggerAO || iTriggerCreateAO) {

   147         QMLBackendMonitorAO::DeleteAO(this);

   148         iTriggerAO = NULL;

   149         QMLBackendTriggerChangeAO::DeleteAO();

   150         iNotifyTriggerAO = NULL;

   151         delete iTriggerCreateAO;

   152         iTriggerCreateAO = NULL;

   153     }

   154     if (connectedLbt) {

   155         --refCount;

   156         if (refCount == 0) {

   157             lbtServ.Close();

   158         }

   159     }

   160 }

   161 

   162 QGeoAreaMonitorS60* QGeoAreaMonitorS60::NewLC(QObject* aParent)

   163 {

   164     QGeoAreaMonitorS60 *self = new(ELeave) QGeoAreaMonitorS60(aParent);

   165     CleanupStack::PushL(self);

   166     self->ConstructL();

   167     return self;

   168 }

   169 

   170 //second level construction : creating the QMLBackendMonitorAO : for

   171 //monitoring the trigger fired event,QMLBackendMonitorCreateTriggerAO:

   172 //instance object for creating the trigger and QMLBackendTriggerChangeAO :

   173 //for monitoring the changes to the trigger properties

   174 void QGeoAreaMonitorS60::ConstructL()

   175 {

   176     if (lbtServ.Connect() == KErrNone) {

   177         CleanupClosePushL(lbtServ);

   178 

   179         connectedLbt = true;

   180         ++refCount;

   181 

   182         iTriggerAO = QMLBackendMonitorAO::NewL(lbtServ);

   183 

   184         if (!iTriggerAO)

   185             return;

   186 

   187         iTriggerCreateAO = QMLBackendMonitorCreateTriggerAO::NewL(this, lbtServ);

   188 

   189         if (!iTriggerCreateAO)

   190             return;

   191 

   192         iNotifyTriggerAO = QMLBackendTriggerChangeAO::NewL(lbtServ);

   193 

   194         CleanupStack::Pop(1);

   195     } else {

   196         connectedLbt = false;

   197     }

   198 }

   199 

   200 //constructor initializing the default values

   201 QGeoAreaMonitorS60::QGeoAreaMonitorS60(QObject* aParent) : QGeoAreaMonitor(aParent),

   202         iTriggerAO(NULL), iNotifyTriggerAO(NULL)

   203 {

   204 

   205 }

   206 

   207 //convert a symbian-TPositionInfo value to corresponding QT-QGeoPositionInfo

   208 void QGeoAreaMonitorS60::TPositionInfoToQGeoPositionInfo(TPositionInfo& aPosInfo, QGeoPositionInfo& aQInfo)

   209 {

   210     QGeoCoordinate coord;

   211     TPosition pos;

   212     aPosInfo.GetPosition(pos);

   213 

   214     coord.setLatitude(pos.Latitude());

   215     coord.setLongitude(pos.Longitude());

   216     coord.setAltitude(pos.Altitude());

   217 

   218     //store the QGeoCoordinate values

   219     aQInfo.setCoordinate(coord);

   220 

   221     TDateTime datetime = pos.Time().DateTime();

   222     QDateTime dt(QDate(datetime.Year(), datetime.Month() + 1, datetime.Day() + 1),

   223                  QTime(datetime.Hour(), datetime.Minute(), datetime.Second(),

   224                        datetime.MicroSecond() / 1000),

   225                 Qt::UTC);

   226 

   227     //store the time stamp

   228     aQInfo.setTimestamp(dt);

   229 

   230     //store the horizontal accuracy

   231     aQInfo.setAttribute(QGeoPositionInfo::HorizontalAccuracy, pos.HorizontalAccuracy());

   232 

   233     //store the vertical accuracy

   234     aQInfo.setAttribute(QGeoPositionInfo::VerticalAccuracy, pos.VerticalAccuracy());

   235 

   236 }

   237 

   238 

   239 //convert QT-QCoordinate value to Symbian-TCoordinate value

   240 int QGeoAreaMonitorS60::QCoordinateToTCoordinate(const QGeoCoordinate& aQCoord, TCoordinate& aTCoord)

   241 {

   242     if (!aQCoord.isValid())

   243         return KErrGeneral;

   244 

   245     QGeoAreaMonitor::setCenter(aQCoord);

   246     aTCoord.SetCoordinate(aQCoord.latitude(), aQCoord.longitude(), aQCoord.altitude());

   247     return KErrNone;

   248 }

   249 

   250 //Notification called when a sot is connected to the areaEntered or

   251 //areaExited signal

   252 void QGeoAreaMonitorS60::connectNotify(const char* signal)

   253 {

   254     if ((iTriggerCreateAO->isTriggerInitialized(this, EntryTrigger)) && (QLatin1String(signal) == SIGNAL(areaEntered(QGeoPositionInfo))) && (receivers(SIGNAL(areaEntered(const QGeoPositionInfo&))) <= 1)) {

   255         iTriggerCreateAO->SetTriggerState(this, EntryTrigger, true);

   256         iTriggerAO-> NotifyFiredEvent();

   257     }

   258 

   259     if ((iTriggerCreateAO->isTriggerInitialized(this, ExitTrigger)) && (QLatin1String(signal) == SIGNAL(areaExited(QGeoPositionInfo))) && (receivers(SIGNAL(areaExited(const QGeoPositionInfo&))) <= 1)) {

   260         iTriggerCreateAO->SetTriggerState(this, ExitTrigger, true);

   261         iTriggerAO-> NotifyFiredEvent();

   262     }

   263 }

   264 

   265 //Notification called when a sot is disconnected from the areaEntered or

   266 //areaExited signal

   267 void QGeoAreaMonitorS60::disconnectNotify(const char* signal)

   268 {

   269     // Disable the trigger, if no slot connected to signal

   270     if ((iTriggerCreateAO->isTriggerInitialized(this, EntryTrigger)) && (QLatin1String(signal) == SIGNAL(areaEntered(QGeoPositionInfo)))  && (receivers(SIGNAL(areaEntered(const QGeoPositionInfo&))) == 0)) {

   271         // iEnterTrigger->NotifyFiredEvent (FALSE);

   272         iTriggerCreateAO->SetTriggerState(this, EntryTrigger, FALSE);

   273     }

   274 

   275     if ((iTriggerCreateAO->isTriggerInitialized(this, ExitTrigger)) && (QLatin1String(signal) == SIGNAL(areaExited(QGeoPositionInfo))) && (receivers(SIGNAL(areaExited(const QGeoPositionInfo&))) == 0)) {

   276         // iExitTrigger->NotifyFiredEvent (FALSE);

   277         iTriggerCreateAO->SetTriggerState(this, ExitTrigger, FALSE);

   278     }

   279 }

   280 

   281 QTM_END_NAMESPACE

   282