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/** @file vehicle_android.c
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* @brief android uses dbus signals
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*
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* Navit, a modular navigation system.
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* Copyright (C) 2005-2008 Navit Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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* @Author Tim Niemeyer <reddog@mastersword.de>
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* @date 2008-2009
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*/
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#include <config.h>
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#include <string.h>
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#include <glib.h>
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#include <math.h>
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#include <time.h>
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#include "debug.h"
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#include "callback.h"
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#include "plugin.h"
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#include "coord.h"
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#include "item.h"
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#include "android.h"
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#include "vehicle.h"
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struct vehicle_priv {
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struct callback_list *cbl;
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struct coord_geo geo;
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double speed;
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double direction;
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double height;
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double radius;
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int fix_type;
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time_t fix_time;
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char fixiso8601[128];
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int sats;
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int sats_used;
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int have_coords;
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struct attr ** attrs;
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struct callback *cb;
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jclass NavitVehicleClass;
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jobject NavitVehicle;
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jclass LocationClass;
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jmethodID Location_getLatitude, Location_getLongitude, Location_getSpeed, Location_getBearing, Location_getAltitude, Location_getTime, Location_getAccuracy;
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};
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/**
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* @brief Free the android_vehicle
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*
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* @param priv
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* @returns nothing
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*/
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static void
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vehicle_android_destroy(struct vehicle_priv *priv)
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{
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// dbg(0,"enter\n");
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g_free(priv);
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}
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/**
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* @brief Provide the outside with information
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*
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* @param priv
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* @param type TODO: What can this be?
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* @param attr
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* @returns true/false
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*/
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static int
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vehicle_android_position_attr_get(struct vehicle_priv *priv,
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enum attr_type type, struct attr *attr)
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{
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dbg(1,"enter %s\n",attr_to_name(type));
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switch (type) {
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#if 0
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case attr_position_fix_type:
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attr->u.num = priv->fix_type;
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break;
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#endif
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case attr_position_height:
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attr->u.numd = &priv->height;
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break;
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case attr_position_speed:
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attr->u.numd = &priv->speed;
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break;
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case attr_position_direction:
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attr->u.numd = &priv->direction;
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break;
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case attr_position_radius:
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attr->u.numd = &priv->radius;
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break;
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#if 0
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case attr_position_qual:
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attr->u.num = priv->sats;
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break;
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case attr_position_sats_used:
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attr->u.num = priv->sats_used;
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break;
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#endif
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case attr_position_coord_geo:
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attr->u.coord_geo = &priv->geo;
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if (!priv->have_coords)
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return 0;
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break;
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case attr_position_time_iso8601:
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attr->u.str=priv->fixiso8601;
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break;
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default:
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return 0;
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}
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dbg(1,"ok\n");
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attr->type = type;
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return 1;
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}
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struct vehicle_methods vehicle_android_methods = {
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vehicle_android_destroy,
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vehicle_android_position_attr_get,
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};
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static void
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vehicle_android_callback(struct vehicle_priv *v, jobject location)
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{
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time_t tnow;
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struct tm *tm;
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v->geo.lat = (*jnienv)->CallDoubleMethod(jnienv, location, v->Location_getLatitude);
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v->geo.lng = (*jnienv)->CallDoubleMethod(jnienv, location, v->Location_getLongitude);
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v->speed = (*jnienv)->CallFloatMethod(jnienv, location, v->Location_getSpeed)*3.6; // convert from m/s -> km/h
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v->direction = (*jnienv)->CallFloatMethod(jnienv, location, v->Location_getBearing);
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v->height = (*jnienv)->CallDoubleMethod(jnienv, location, v->Location_getAltitude);
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v->radius = (*jnienv)->CallFloatMethod(jnienv, location, v->Location_getAccuracy);
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tnow=(*jnienv)->CallLongMethod(jnienv, location, v->Location_getTime)/1000;
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tm = gmtime(&tnow);
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strftime(v->fixiso8601, sizeof(v->fixiso8601), "%Y-%m-%dT%TZ", tm);
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// dbg(0,"lat %f lon %f\n",v->geo.lat,v->geo.lng);
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v->have_coords=1;
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// ***** calls: navit.c -> navit_vehicle_update
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callback_list_call_attr_0(v->cbl, attr_position_coord_geo);
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}
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static int
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vehicle_android_init(struct vehicle_priv *ret)
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{
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jmethodID cid;
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if (!android_find_class_global("android/location/Location", &ret->LocationClass))
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return 0;
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if (!android_find_method(ret->LocationClass, "getLatitude", "()D", &ret->Location_getLatitude))
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return 0;
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if (!android_find_method(ret->LocationClass, "getLongitude", "()D", &ret->Location_getLongitude))
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return 0;
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if (!android_find_method(ret->LocationClass, "getSpeed", "()F", &ret->Location_getSpeed))
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return 0;
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if (!android_find_method(ret->LocationClass, "getBearing", "()F", &ret->Location_getBearing))
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return 0;
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if (!android_find_method(ret->LocationClass, "getAltitude", "()D", &ret->Location_getAltitude))
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return 0;
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if (!android_find_method(ret->LocationClass, "getTime", "()J", &ret->Location_getTime))
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return 0;
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if (!android_find_method(ret->LocationClass, "getAccuracy", "()F", &ret->Location_getAccuracy))
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return 0;
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if (!android_find_class_global("com/zoffcc/applications/zanavi/NavitVehicle", &ret->NavitVehicleClass))
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return 0;
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dbg(0,"at 3\n");
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cid = (*jnienv)->GetMethodID(jnienv, ret->NavitVehicleClass, "<init>", "(Landroid/content/Context;I)V");
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if (cid == NULL) {
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dbg(0,"no method found\n");
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return 0; /* exception thrown */
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}
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dbg(0,"at 4 android_activity=%p\n",android_activity);
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ret->NavitVehicle=(*jnienv)->NewObject(jnienv, ret->NavitVehicleClass, cid, android_activity, (int) ret->cb);
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dbg(0,"result=%p\n",ret->NavitVehicle);
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if (!ret->NavitVehicle)
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return 0;
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if (ret->NavitVehicle)
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(*jnienv)->NewGlobalRef(jnienv, ret->NavitVehicle);
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return 1;
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}
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/**
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* @brief Create android_vehicle
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*
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* @param meth
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* @param cbl
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* @param attrs
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* @returns vehicle_priv
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*/
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static struct vehicle_priv *
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vehicle_android_new_android(struct vehicle_methods *meth,
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struct callback_list *cbl,
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struct attr **attrs)
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{
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struct vehicle_priv *ret;
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dbg(0, "enter\n");
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ret = g_new0(struct vehicle_priv, 1);
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ret->cbl = cbl;
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ret->cb=callback_new_1(callback_cast(vehicle_android_callback), ret);
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*meth = vehicle_android_methods;
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vehicle_android_init(ret);
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dbg(0, "return\n");
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return ret;
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}
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/**
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* @brief register vehicle_android
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*
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* @returns nothing
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*/
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void
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plugin_init(void)
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{
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// dbg(0, "enter\n");
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plugin_register_vehicle_type("android", vehicle_android_new_android);
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}
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