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/*
* Navit, a modular navigation system.
* Copyright 2020 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include <stdlib.h>
#include <locale.h>
#include <glib/gi18n.h>
#include <geoclue.h>
#include "debug.h"
#include "callback.h"
#include "coord.h"
#include "item.h"
#include "vehicle.h"
#include "plugin.h"
/**
* @defgroup vehicle-gypsy Vehicle GeoClue
* @ingroup vehicle-plugins
* @brief The Vehicle to gain position data from GeoClue.
* @Author jkoan
* @date 2020
*
* @{
*/
struct vehicle_priv {
GClueLocation *location;
char *bla;
struct callback_list *cbl;
double speed;
double direction;
double height;
struct coord_geo geo;
int accuracy;
char* time_str;
GClueSimple *simple;
};
GClueClient *client = NULL;
/**
* @brief Free the geoclue_vehicle
*
* @param priv
* @returns nothing
*/
static void vehicle_geoclue_destroy(struct vehicle_priv *priv) {
g_clear_object(&client);
g_clear_object(&priv->simple);
}
static void print_location(GClueSimple *simple,
GParamSpec *pspec,
gpointer user_data) {
GClueLocation *location;
gdouble altitude;
gdouble speed;
gdouble direction;
GVariant *timestamp;
struct vehicle_priv *priv = user_data;
location = gclue_simple_get_location(simple);
priv->geo.lat = gclue_location_get_latitude(location);
priv->geo.lng = gclue_location_get_longitude(location);
priv->accuracy = gclue_location_get_accuracy(location);
altitude = gclue_location_get_altitude(location);
if(altitude != -G_MAXDOUBLE) {
priv->height=altitude;
}
speed = gclue_location_get_speed(location);
if(speed != -G_MAXDOUBLE) {
priv->speed=speed;
}
direction = gclue_location_get_heading(location);
if(direction != -G_MAXDOUBLE) {
priv->direction=direction;
}
timestamp= gclue_location_get_timestamp(location);
if(timestamp) {
GDateTime *date_time;
glong second_since_epoch;
g_variant_get (timestamp, "(tt)", &second_since_epoch, NULL);
date_time = g_date_time_new_from_unix_local (second_since_epoch);
priv->time_str = g_date_time_format_iso8601(g_date_time_to_utc(date_time));
}
callback_list_call_attr_0(priv->cbl, attr_position_coord_geo);
}
static void on_client_active_notify(GClueClient *client,
GParamSpec *pspec,
gpointer user_data) {
if(gclue_client_get_active(client))
return;
g_print("Geolocation disabled. Quitting..\n");
//vehicle_geoclue_destroy(&user_data);
}
static void on_simple_ready(GObject *source_object,
GAsyncResult *res,
gpointer user_data) {
GError *error = NULL;
struct vehicle_priv* priv = user_data;
priv->simple = gclue_simple_new_finish(res, &error);
if(error != NULL) {
dbg(lvl_error,"Failed to connect to GeoClue2 service: %s", error->message);
exit(-1);
}
client = gclue_simple_get_client(priv->simple);
if(client) {
g_object_ref(client);
dbg(lvl_debug,"Client object: %s\n",
g_dbus_proxy_get_object_path(G_DBUS_PROXY(client)));
g_signal_connect(client,
"notify::active",
G_CALLBACK(on_client_active_notify),
NULL);
}
print_location(priv->simple,NULL,priv);
g_signal_connect(priv->simple,
"notify::location",
G_CALLBACK(print_location),
priv);
}
/**
* @brief Provide the outside with information
*
* @param priv
* @param type TODO: What can this be?
* @param attr
* @returns true/false
*/
static int vehicle_geoclue_position_attr_get(struct vehicle_priv *priv,
enum attr_type type, struct attr *attr) {
switch(type) {
case attr_position_height:
attr->u.numd = &priv->height;
break;
case attr_position_speed:
attr->u.numd = &priv->speed;
break;
case attr_position_direction:
attr->u.numd = &priv->direction;
break;
case attr_position_qual:
attr->u.num = priv->accuracy;
break;
case attr_position_coord_geo:
attr->u.coord_geo = &priv->geo;
break;
case attr_position_time_iso8601:
if(!priv->time_str) {
return 0;
}
attr->u.str=priv->time_str;
break;
case attr_active:
return 1;
default:
return 0;
}
attr->type = type;
return 1;
}
struct vehicle_methods vehicle_geoclue_methods = {
.destroy = vehicle_geoclue_destroy,
.position_attr_get = vehicle_geoclue_position_attr_get,
};
/**
* @brief Create geoclue_vehicle
*
* @param meth[out] Methodes supported by geoclue Plugin
* @param cbl[in] Callback List reference
* @param attrs Configuration attributes
* @returns vehicle_priv The newly created Vehicle priv
*/
static struct vehicle_priv *vehicle_geoclue_new(struct vehicle_methods *meth,
struct callback_list *cbl,
struct attr **attrs) {
struct vehicle_priv *ret;
dbg(lvl_debug, "enter");
*meth = vehicle_geoclue_methods;
ret = (struct vehicle_priv*)g_new0(struct vehicle_priv, 1);
ret->cbl = cbl;
gclue_simple_new("navit",
GCLUE_ACCURACY_LEVEL_EXACT,
NULL,
on_simple_ready,
ret
);
return ret;
};
/**
* @brief register vehicle_geoclue
*
* @returns nothing
*/
void plugin_init(void) {
dbg(lvl_error, "enter");
plugin_register_category_vehicle("geoclue", vehicle_geoclue_new);
};
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