git.maemo.org Git - googlelatitude/blob - src/gps.cpp

   1 #include "gps.h"
   2
   3 GpsMaemo5::GpsMaemo5(QObject *parent) : QObject(parent) {
   4     latitude = 0;
   5     longitude = 0;
   6     accuracy = 0;
   7 #ifdef Q_WS_MAEMO_5
   8     control = location_gpsd_control_get_default();
   9     device = (LocationGPSDevice*) g_object_new(LOCATION_TYPE_GPS_DEVICE, NULL);
  10
  11     g_signal_connect(device, "changed", G_CALLBACK(GpsMaemo5_changed), this);
  12     g_object_set(G_OBJECT(control), "preferred-method", LOCATION_METHOD_ACWP, NULL);
  13     g_object_set(G_OBJECT(control), "preferred-interval", LOCATION_INTERVAL_120S, NULL);
  14
  15     location_gpsd_control_start(control);
  16 #else
  17     urlloc = QUrl::fromEncoded("http://www.google.com/loc/json");
  18     worker = new QNetworkAccessManager();
  19     connect(worker, SIGNAL(finished(QNetworkReply *)), this, SLOT(finishedreply(QNetworkReply *)));
  20     gloc();
  21 #endif // Q_WS_MAEMO_5
  22 }
  23
  24 #ifdef Q_WS_MAEMO_5
  25 void GpsMaemo5_changed(LocationGPSDevice *device, GpsMaemo5 *gps) {
  26     if (device->fix) {
  27         if (device->fix->fields) {
  28             g_print("GpsMaemo5 lat = %f, long = %f, eph = %f\n", gps->device->fix->latitude, gps->device->fix->longitude, gps->device->fix->eph/100.);
  29             gps->latitude = gps->device->fix->latitude;
  30             gps->longitude = gps->device->fix->longitude;
  31             gps->accuracy = gps->device->fix->eph/100.;
  32             emit gps->fix();
  33         }
  34     }
  35 }
  36 #else
  37 void GpsMaemo5::gloc() {
  38     qDebug() << "GpsMaemo5 gloc";
  39     worker->post(QNetworkRequest(urlloc), QByteArray("{version:\"1.1.0\"}"));
  40     QTimer::singleShot(60*1000, this, SLOT(gloc()));
  41 }
  42
  43 void GpsMaemo5::finishedreply(QNetworkReply *r) {
  44     if ( r->url() == urlloc ) {
  45         QString loc = r->readAll();
  46         QRegExp regexp ("\\{\"latitude\":(.*),\"longitude\":(.*),\"accuracy\":(.*)\\}");
  47         regexp.setMinimal(1);
  48         regexp.indexIn(loc, 1);
  49         latitude = regexp.capturedTexts().at(1).toDouble();
  50         longitude = regexp.capturedTexts().at(2).toDouble();
  51         accuracy = regexp.capturedTexts().at(3).toDouble();
  52         qDebug() << "GpsMaemo5 lat = " << latitude << " long = " << longitude << " acc = " << accuracy;
  53         emit fix();
  54     } else {
  55         qDebug() << "GpsMaemo5 Error url:" << r->url();
  56         qDebug() << r->rawHeaderList();
  57         qDebug() << r->readAll();
  58     }
  59 }
  60 #endif // Q_WS_MAEMO_5