Desktop
/* $Id: bluetooth.c,v 1.12 2012/01/07 02:58:12 khorben Exp $ */
/* Copyright (c) 2010-2012 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Panel */
/* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>. */
#if defined(__NetBSD__)
# include <sys/types.h>
# include <sys/ioctl.h>
# include <bluetooth.h>
# include <unistd.h>
# include <stdio.h>
# include <string.h>
# include <errno.h>
#elif defined(__linux__)
# include <fcntl.h>
# include <unistd.h>
# include <string.h>
# include <errno.h>
#endif
#include <stdlib.h>
#include <libintl.h>
#include <System.h>
#include "Panel.h"
#define _(string) gettext(string)
/* Bluetooth */
/* private */
/* types */
typedef struct _PanelApplet
{
PanelAppletHelper * helper;
GtkWidget * image;
guint timeout;
#if defined(__NetBSD__) || defined(__linux__)
int fd;
#endif
} Bluetooth;
/* prototypes */
static Bluetooth * _bluetooth_init(PanelAppletHelper * helper,
GtkWidget ** widget);
static void _bluetooth_destroy(Bluetooth * bluetooth);
static gboolean _bluetooth_get(Bluetooth * bluetooth);
static void _bluetooth_set(Bluetooth * bluetooth, gboolean on);
/* callbacks */
static gboolean _on_timeout(gpointer data);
/* public */
/* variables */
PanelAppletDefinition applet =
{
"Bluetooth",
"panel-applet-bluetooth",
NULL,
_bluetooth_init,
_bluetooth_destroy,
NULL,
FALSE,
TRUE
};
/* private */
/* functions */
/* bluetooth_init */
static Bluetooth * _bluetooth_init(PanelAppletHelper * helper,
GtkWidget ** widget)
{
Bluetooth * bluetooth;
if((bluetooth = malloc(sizeof(*bluetooth))) == NULL)
return NULL;
bluetooth->helper = helper;
bluetooth->timeout = 0;
#if defined(__NetBSD__) || defined(__linux__)
bluetooth->fd = -1;
#endif
bluetooth->image = gtk_image_new_from_icon_name(
"panel-applet-bluetooth", helper->icon_size);
#if GTK_CHECK_VERSION(2, 12, 0)
gtk_widget_set_tooltip_text(bluetooth->image,
_("Bluetooth is enabled"));
#endif
bluetooth->timeout = g_timeout_add(1000, _on_timeout, bluetooth);
_on_timeout(bluetooth);
*widget = bluetooth->image;
return bluetooth;
}
/* bluetooth_destroy */
static void _bluetooth_destroy(Bluetooth * bluetooth)
{
if(bluetooth->timeout > 0)
g_source_remove(bluetooth->timeout);
#if defined(__NetBSD__) || defined(__linux__)
if(bluetooth->fd >= 0)
close(bluetooth->fd);
#endif
free(bluetooth);
}
/* bluetooth_set */
static void _bluetooth_set(Bluetooth * bluetooth, gboolean on)
{
if(on == TRUE)
gtk_widget_show(bluetooth->image);
else
gtk_widget_hide(bluetooth->image);
}
/* callbacks */
/* on_timeout */
#if defined(__NetBSD__)
static gboolean _bluetooth_get(Bluetooth * bluetooth)
{
struct btreq btr;
const char name[] = "ubt0";
if(bluetooth->fd < 0 && (bluetooth->fd = socket(AF_BLUETOOTH,
SOCK_RAW, BTPROTO_HCI)) < 0)
{
error_set("%s: %s", "socket", strerror(errno));
return FALSE;
}
memset(&btr, 0, sizeof(btr));
strncpy(btr.btr_name, name, sizeof(name));
if(ioctl(bluetooth->fd, SIOCGBTINFO, &btr) == -1)
{
error_set("%s: %s", name, strerror(errno));
close(bluetooth->fd);
bluetooth->fd = -1;
return FALSE;
}
/* XXX should not be necessary but EBADF happens once otherwise */
close(bluetooth->fd);
bluetooth->fd = -1;
return TRUE;
}
#elif defined(__linux__)
static gboolean _bluetooth_get(Bluetooth * bluetooth)
{
/* XXX currently hard-coded for the Openmoko Freerunner */
char const dv1[] = "/sys/bus/platform/devices/gta02-pm-bt.0/power_on";
char const dv2[] = "/sys/bus/platform/devices/neo1973-pm-bt.0/power_on";
char const * dev = dv1;
char on;
if(bluetooth->fd < 0)
{
if((bluetooth->fd = open(dev, O_RDONLY)) < 0)
{
dev = dv2;
bluetooth->fd = open(dev, O_RDONLY);
}
if(bluetooth->fd < 0)
{
error_set("%s: %s", dev, strerror(errno));
return FALSE;
}
}
errno = ENODATA; /* in case the pseudo-file is empty */
if(lseek(bluetooth->fd, 0, SEEK_SET) != 0
|| read(bluetooth->fd, &on, sizeof(on)) != 1)
{
error_set("%s: %s", dev, strerror(errno));
close(bluetooth->fd);
bluetooth->fd = -1;
return FALSE;
}
return (on == '1') ? TRUE : FALSE;
}
#else
static gboolean _bluetooth_get(Bluetooth * bluetooth)
{
/* FIXME not supported */
return FALSE;
}
#endif
/* callbacks */
/* on_timeout */
static gboolean _on_timeout(gpointer data)
{
Bluetooth * bluetooth = data;
_bluetooth_set(bluetooth, _bluetooth_get(bluetooth));
return TRUE;
}