Desktop
/* $Id: gsm.c,v 1.8 2011/08/22 23:35:01 khorben Exp $ */
/* Copyright (c) 2010 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(__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)
/* GSM */
/* private */
/* types */
typedef struct _GSM
{
PanelAppletHelper * helper;
GtkWidget * hbox;
GtkWidget * image;
GtkWidget * operator;
guint timeout;
#if defined(__linux__)
int fd;
#endif
} GSM;
/* prototypes */
static GtkWidget * _gsm_init(PanelApplet * applet);
static void _gsm_destroy(PanelApplet * applet);
static gboolean _gsm_get(GSM * gsm);
static void _gsm_set(GSM * gsm, gboolean on);
#if 0
static void _gsm_set_operator(GSM * gsm, char const * operator);
#endif
/* callbacks */
static gboolean _on_timeout(gpointer data);
/* public */
/* variables */
PanelApplet applet =
{
NULL,
"GSM",
NULL,
_gsm_init,
_gsm_destroy,
NULL,
FALSE,
TRUE,
NULL
};
/* private */
/* functions */
/* gsm_init */
static GtkWidget * _gsm_init(PanelApplet * applet)
{
GSM * gsm;
PangoFontDescription * desc;
if((gsm = malloc(sizeof(*gsm))) == NULL)
return NULL;
applet->priv = gsm;
gsm->helper = applet->helper;
gsm->timeout = 0;
#if defined(__linux__)
gsm->fd = -1;
#endif
gsm->hbox = gtk_hbox_new(FALSE, 0);
/* XXX find a better image */
gsm->image = gtk_image_new_from_icon_name("phone",
applet->helper->icon_size);
#if GTK_CHECK_VERSION(2, 12, 0)
gtk_widget_set_tooltip_text(gsm->image, _("GSM is enabled"));
#endif
gtk_widget_show(gsm->image);
gtk_box_pack_start(GTK_BOX(gsm->hbox), gsm->image, FALSE, TRUE, 0);
desc = pango_font_description_new();
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
gsm->operator = gtk_label_new(NULL);
gtk_widget_modify_font(gsm->operator, desc);
gtk_widget_show(gsm->operator);
pango_font_description_free(desc);
gtk_box_pack_start(GTK_BOX(gsm->hbox), gsm->operator, FALSE, TRUE, 0);
gsm->timeout = g_timeout_add(1000, _on_timeout, gsm);
_on_timeout(gsm);
return gsm->hbox;
}
/* gsm_destroy */
static void _gsm_destroy(PanelApplet * applet)
{
GSM * gsm = applet->priv;
if(gsm->timeout > 0)
g_source_remove(gsm->timeout);
#if defined(__linux__)
if(gsm->fd != -1)
close(gsm->fd);
#endif
free(gsm);
}
/* gsm_set */
static void _gsm_set(GSM * gsm, gboolean on)
{
if(on == TRUE)
gtk_widget_show(gsm->hbox);
else
gtk_widget_hide(gsm->hbox);
}
#if 0
/* gsm_set_operator */
static void _gsm_set_operator(GSM * gsm, char const * operator)
{
gtk_label_set_text(GTK_LABEL(gsm->operator), operator);
}
#endif
/* callbacks */
/* on_timeout */
#if defined(__linux__)
static gboolean _gsm_get(GSM * gsm)
{
/* XXX currently hard-coded for the Openmoko Freerunner */
char const dv1[] = "/sys/bus/platform/devices/gta02-pm-gsm.0/"
"power_on";
char const dv2[] = "/sys/bus/platform/devices/neo1973-pm-gsm.0/"
"power_on";
char const * dev = dv1;
char on;
if(gsm->fd < 0)
{
if((gsm->fd = open(dev, O_RDONLY)) < 0)
{
dev = dv2;
gsm->fd = open(dev, O_RDONLY);
}
if(gsm->fd < 0)
{
error_set_code(1, "%s: %s", dev, strerror(errno));
return FALSE;
}
}
errno = ENODATA; /* in case the pseudo-file is empty */
if(lseek(gsm->fd, 0, SEEK_SET) != 0
|| read(gsm->fd, &on, sizeof(on)) != 1)
{
error_set_code(1, "%s: %s", dev, strerror(errno));
close(gsm->fd);
gsm->fd = -1;
return FALSE;
}
return (on == '1') ? TRUE : FALSE;
}
#else
static gboolean _gsm_get(GSM * gsm)
{
/* FIXME not supported */
return FALSE;
}
#endif
/* callbacks */
/* on_timeout */
static gboolean _on_timeout(gpointer data)
{
GSM * gsm = data;
_gsm_set(gsm, _gsm_get(gsm));
return TRUE;
}