git.maemo.org Git - googlelatitude/blob - gpscontrol.cpp

   1 #include "gpscontrol.h"
   2 #include <QtNetwork/QNetworkConfigurationManager>
   3
   4 GpsControl::GpsControl(QObject *parent) :
   5     QObject(parent),
   6     GpsSettings(this),
   7     GpsSource(QGeoPositionInfoSource::createDefaultSource(this)),
   8     GpsPosition(),
   9     GpsTimeout(this),
  10     GpsInterval(this) {
  11     qDebug() << "* GpsControl::GpsControl";
  12
  13     GpsTimeout.setSingleShot(true);
  14     GpsInterval.setSingleShot(true);
  15
  16     setPositioningMethod(GpsSettings.value("gps_method", "cell").toString());
  17     setTimeOut(GpsSettings.value("gps_timeout", 60).toInt());
  18     setInterval(GpsSettings.value("gps_interval", 15*60).toInt());
  19
  20     if (!GpsSource) qDebug() << "* GpsControl::GpsControl" << "Not GpsSource";
  21
  22     connect(GpsSource, SIGNAL(positionUpdated(QGeoPositionInfo)),
  23             this, SLOT(setCurrentLocation(QGeoPositionInfo)));
  24
  25     connect(this, SIGNAL(gotUpdate()),
  26             this, SLOT(onGotUpdate()));
  27
  28     connect(this, SIGNAL(gotFix()),
  29             this, SLOT(onGotFix()));
  30
  31 }
  32
  33 void GpsControl::setTimeOut(int sec) {
  34     qDebug() << "* GpsControl::setTimeOut" << sec;
  35     GpsSettings.setValue("gps_timeout", sec);
  36 }
  37
  38 int GpsControl::getTimeOut() {
  39     qDebug() << "* GpsControl::getTimeOut";
  40     return GpsSettings.value("gps_timeout").toInt();
  41 }
  42
  43 void GpsControl::setInterval(int sec) {
  44     qDebug() << "* GpsControl::setInterval" << sec;
  45     GpsSettings.setValue("gps_interval", sec);
  46 }
  47
  48 int GpsControl::getInterval() {
  49     qDebug() << "* GpsControl::getInterval";
  50     return GpsSettings.value("gps_interval").toInt();
  51 }
  52
  53 void GpsControl::setPositioningMethod(QString method) {
  54     qDebug() << "* GpsControl::setPositioningMethod" << method;
  55     if (method == "gps") {
  56         GpsSettings.setValue("gps_method", method);
  57         if (GpsSource) GpsSource->setPreferredPositioningMethods(QGeoPositionInfoSource::SatellitePositioningMethods);
  58     }
  59     if (method == "cell") {
  60         GpsSettings.setValue("gps_method", method);
  61         if (GpsSource) GpsSource->setPreferredPositioningMethods(QGeoPositionInfoSource::NonSatellitePositioningMethods);
  62     }
  63     if (method == "all") {
  64         GpsSettings.setValue("gps_method", method);
  65         if (GpsSource) GpsSource->setPreferredPositioningMethods(QGeoPositionInfoSource::AllPositioningMethods);
  66     }
  67 }
  68
  69 void GpsControl::startUpdates() {
  70     qDebug() << "* GpsControl::start";
  71     if (!GpsSettings.value("net_auto").toBool()) {
  72         QNetworkConfigurationManager mgr;
  73         if (!mgr.isOnline()) {
  74             qDebug() << "* GpsControl::start" << "offline";
  75             return;
  76         }
  77     }
  78
  79     if (!GpsSource) return;
  80
  81     GpsTimeout.singleShot(GpsSettings.value("gps_timeout").toInt()*1000, this, SLOT(stopUpdates()));
  82     GpsInterval.singleShot(GpsSettings.value("gps_interval").toInt()*1000, this, SLOT(startUpdates()));
  83     GpsSource->startUpdates();
  84 }
  85
  86 void GpsControl::stopUpdates(bool force) {
  87     qDebug() << "* GpsControl::stopUpdates" << force;
  88     if (!GpsSource) return;
  89     GpsSource->stopUpdates();
  90
  91     if (force) {
  92         GpsTimeout.stop();
  93         GpsInterval.stop();
  94     } else {
  95         if (GpsSource->lastKnownPosition(GpsSettings.value("gps_method") == "gps"?true:false).isValid() ) {
  96             emit gotFix();
  97         }
  98     }
  99 }
 100
 101 double GpsControl::getCurrentLatitude() {
 102     qDebug() << "* GpsControl::getCurrentLatitude";
 103     return GpsPosition.coordinate().latitude();
 104 }
 105
 106 double GpsControl::getCurrentLongitude() {
 107     qDebug() << "* GpsControl::getCurrentLongitude";
 108     return GpsPosition.coordinate().longitude();
 109 }
 110
 111 double GpsControl::getCurrentAccuracy() {
 112     qDebug() << "* GpsControl::getCurrentAccuracy";
 113     return GpsPosition.attribute(QGeoPositionInfo::HorizontalAccuracy);
 114 }
 115
 116 unsigned int GpsControl::getCurrentTimestamp() {
 117     qDebug() << "* GpsControl::getCurrentTimestamp";
 118     return GpsPosition.timestamp().toTime_t();
 119 }
 120
 121 void GpsControl::setCurrentLocation(QGeoPositionInfo pos) {
 122     qDebug() << "* GpsControl::setCurrentLocation" << pos;
 123     if (pos.isValid()) {
 124         GpsPosition = pos;
 125         emit gotUpdate();
 126     }
 127 }