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/** @file vehicle_android.c
* @brief android uses dbus signals
*
* Navit, a modular navigation system.
* Copyright (C) 2005-2008 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.
*
* @Author Tim Niemeyer <reddog@mastersword.de>
* @date 2008-2009
*/
#include <config.h>
#include <string.h>
#include <glib.h>
#include <math.h>
#include <time.h>
#include "debug.h"
#include "callback.h"
#include "plugin.h"
#include "coord.h"
#include "item.h"
#include "android.h"
#include "vehicle.h"
struct vehicle_priv {
struct callback_list *cbl;
struct coord_geo geo;
double speed;
double direction;
double height;
int fix_type;
time_t fix_time;
char fixiso8601[128];
int sats;
int sats_used;
int have_coords;
struct attr ** attrs;
struct callback *cb;
jclass NavitVehicleClass;
jobject NavitVehicle;
jclass LocationClass;
jmethodID Location_getLatitude, Location_getLongitude, Location_getSpeed, Location_getBearing, Location_getAltitude, Location_getTime;
};
/**
* @brief Free the android_vehicle
*
* @param priv
* @returns nothing
*/
static void
vehicle_android_destroy(struct vehicle_priv *priv)
{
dbg(0,"enter\n");
g_free(priv);
}
/**
* @brief Provide the outside with information
*
* @param priv
* @param type TODO: What can this be?
* @param attr
* @returns true/false
*/
static int
vehicle_android_position_attr_get(struct vehicle_priv *priv,
enum attr_type type, struct attr *attr)
{
struct attr * active=NULL;
dbg(0,"enter %s\n",attr_to_name(type));
switch (type) {
#if 0
case attr_position_fix_type:
attr->u.num = priv->fix_type;
break;
#endif
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;
#if 0
case attr_position_qual:
attr->u.num = priv->sats;
break;
case attr_position_sats_used:
attr->u.num = priv->sats_used;
break;
#endif
case attr_position_coord_geo:
attr->u.coord_geo = &priv->geo;
if (!priv->have_coords)
return 0;
break;
case attr_position_time_iso8601:
attr->u.str=priv->fixiso8601;
break;
default:
return 0;
}
dbg(0,"ok\n");
attr->type = type;
return 1;
}
struct vehicle_methods vehicle_android_methods = {
vehicle_android_destroy,
vehicle_android_position_attr_get,
};
static void
vehicle_android_callback(struct vehicle_priv *v, jobject location)
{
time_t tnow;
struct tm *tm;
dbg(0,"enter\n");
v->geo.lat = (*jnienv)->CallDoubleMethod(jnienv, location, v->Location_getLatitude);
v->geo.lng = (*jnienv)->CallDoubleMethod(jnienv, location, v->Location_getLongitude);
v->speed = (*jnienv)->CallFloatMethod(jnienv, location, v->Location_getSpeed)*3.6;
v->direction = (*jnienv)->CallFloatMethod(jnienv, location, v->Location_getBearing);
v->height = (*jnienv)->CallDoubleMethod(jnienv, location, v->Location_getAltitude);
tnow=(*jnienv)->CallLongMethod(jnienv, location, v->Location_getTime)/1000;
tm = gmtime(&tnow);
strftime(v->fixiso8601, sizeof(v->fixiso8601), "%Y-%m-%dT%TZ", tm);
dbg(0,"time %s\n",v->fixiso8601);
v->have_coords=1;
callback_list_call_0(v->cbl);
}
static int
vehicle_android_init(struct vehicle_priv *ret)
{
jmethodID cid;
if (!android_find_class_global("android/location/Location", &ret->LocationClass))
return 0;
if (!android_find_method(ret->LocationClass, "getLatitude", "()D", &ret->Location_getLatitude))
return 0;
if (!android_find_method(ret->LocationClass, "getLongitude", "()D", &ret->Location_getLongitude))
return 0;
if (!android_find_method(ret->LocationClass, "getSpeed", "()F", &ret->Location_getSpeed))
return 0;
if (!android_find_method(ret->LocationClass, "getBearing", "()F", &ret->Location_getBearing))
return 0;
if (!android_find_method(ret->LocationClass, "getAltitude", "()D", &ret->Location_getAltitude))
return 0;
if (!android_find_method(ret->LocationClass, "getTime", "()J", &ret->Location_getTime))
return 0;
if (!android_find_class_global("org/navitproject/navit/NavitVehicle", &ret->NavitVehicleClass))
return 0;
dbg(0,"at 3\n");
cid = (*jnienv)->GetMethodID(jnienv, ret->NavitVehicleClass, "<init>", "(Landroid/content/Context;I)V");
if (cid == NULL) {
dbg(0,"no method found\n");
return 0; /* exception thrown */
}
dbg(0,"at 4 android_activity=%p\n",android_activity);
ret->NavitVehicle=(*jnienv)->NewObject(jnienv, ret->NavitVehicleClass, cid, android_activity, (int) ret->cb);
dbg(0,"result=%p\n",ret->NavitVehicle);
if (!ret->NavitVehicle)
return 0;
if (ret->NavitVehicle)
(*jnienv)->NewGlobalRef(jnienv, ret->NavitVehicle);
return 1;
}
/**
* @brief Create android_vehicle
*
* @param meth
* @param cbl
* @param attrs
* @returns vehicle_priv
*/
static struct vehicle_priv *
vehicle_android_new_android(struct vehicle_methods *meth,
struct callback_list *cbl,
struct attr **attrs)
{
struct vehicle_priv *ret;
dbg(0, "enter\n");
ret = g_new0(struct vehicle_priv, 1);
ret->cbl = cbl;
ret->cb=callback_new_1(callback_cast(vehicle_android_callback), ret);
*meth = vehicle_android_methods;
vehicle_android_init(ret);
dbg(0, "return\n");
return ret;
}
/**
* @brief register vehicle_android
*
* @returns nothing
*/
void
plugin_init(void)
{
dbg(0, "enter\n");
plugin_register_vehicle_type("android", vehicle_android_new_android);
}
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