template<> void freeOwnedGPtr<GeoclueAccuracy>(GeoclueAccuracy* accuracy)
{
if (!accuracy)
return;
geoclue_accuracy_free(accuracy);
}
static void
mnp_wc_get_position_cb (GeocluePosition *position,
GeocluePositionFields fields,
int timestamp,
double latitude,
double longitude,
double altitude,
GeoclueAccuracy *accuracy,
GError *error,
gpointer userdata)
{
MnpWorldClockPrivate *priv = GET_PRIVATE (userdata);
GeoclueAccuracy *n_accuracy;
if (error) {
g_warning ("Unable to get position: %s\n", error->message);
return;
}
printf("POSI: %lf %lf\n", latitude, longitude);
n_accuracy = geoclue_accuracy_new (GEOCLUE_ACCURACY_LEVEL_DETAILED, 0, 0);
geoclue_reverse_geocode_position_to_address_async (priv->geo_reverse_geocode,
latitude,
longitude,
n_accuracy,
mnp_wc_reverse_geocode_cb,
userdata);
geoclue_accuracy_free (n_accuracy);
}
static void
finalize (GObject *object)
{
GeoclueGypsy *gypsy = GEOCLUE_GYPSY (object);
geoclue_accuracy_free (gypsy->accuracy);
g_free (gypsy->device_name);
((GObjectClass *) geoclue_gypsy_parent_class)->finalize (object);
}
static void
free_gateway_list (GSList *gateways)
{
GSList *l;
l = gateways;
while (l) {
Gateway *gw;
gw = l->data;
g_free (gw->mac);
g_hash_table_destroy (gw->address);
geoclue_accuracy_free (gw->accuracy);
g_free (gw);
l = l->next;
}
g_slist_free (gateways);
}
int main (int argc, char** argv)
{
gchar *service, *path;
GeocluePosition *pos = NULL;
GeocluePositionFields fields;
int timestamp;
double lat, lon;
GeoclueAccuracy *accuracy = NULL;
GMainLoop *mainloop;
GError *error = NULL;
g_type_init();
if (argc < 2 || argc % 2 != 0) {
g_printerr ("Usage:\n position-example <provider_name> [option value]\n");
return 1;
}
g_print ("Using provider '%s'\n", argv[1]);
service = g_strdup_printf ("org.freedesktop.Geoclue.Providers.%s", argv[1]);
path = g_strdup_printf ("/org/freedesktop/Geoclue/Providers/%s", argv[1]);
mainloop = g_main_loop_new (NULL, FALSE);
/* Create new GeocluePosition */
pos = geoclue_position_new (service, path);
if (pos == NULL) {
g_printerr ("Error while creating GeocluePosition object.\n");
return 1;
}
g_free (service);
g_free (path);
if (argc > 2) {
GHashTable *options;
options = parse_options (argc, argv);
if (!geoclue_provider_set_options (GEOCLUE_PROVIDER (pos), options, &error)) {
g_printerr ("Error setting options: %s\n",
error->message);
g_error_free (error);
error = NULL;
}
g_hash_table_destroy (options);
}
/* Query current position. We're not interested in altitude
this time, so leave it NULL. Same can be done with all other
arguments that aren't interesting to the client */
fields = geoclue_position_get_position (pos, ×tamp,
&lat, &lon, NULL,
&accuracy, &error);
if (error) {
g_printerr ("Error getting position: %s\n", error->message);
g_error_free (error);
g_object_unref (pos);
return 1;
}
/* Print out coordinates if they are valid */
if (fields & GEOCLUE_POSITION_FIELDS_LATITUDE &&
fields & GEOCLUE_POSITION_FIELDS_LONGITUDE) {
GeoclueAccuracyLevel level;
double horiz_acc;
geoclue_accuracy_get_details (accuracy, &level, &horiz_acc, NULL);
g_print ("Current position:\n");
g_print ("\t%f, %f\n", lat, lon);
g_print ("\tAccuracy level %d (%.0f meters)\n", level, horiz_acc);
} else {
g_print ("Latitude and longitude not available.\n");
}
geoclue_accuracy_free (accuracy);
g_signal_connect (G_OBJECT (pos), "position-changed",
G_CALLBACK (position_changed_cb), NULL);
g_main_loop_run (mainloop);
return 0;
}
