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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*
* (C) Copyright 2012 Red Hat, Inc.
* Author: Matthias Clasen <mclasen@redhat.com>
*/
#include "config.h"
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <dbus/dbus-glib.h>
#include <gio/gio.h>
#include "nm-logging.h"
#include "nm-dbus-manager.h"
#include "nm-sleep-monitor.h"
#define UPOWER_DBUS_SERVICE "org.freedesktop.UPower"
struct _NMSleepMonitor {
GObject parent_instance;
DBusGProxy *upower_proxy;
};
struct _NMSleepMonitorClass {
GObjectClass parent_class;
void (*sleeping) (NMSleepMonitor *monitor);
void (*resuming) (NMSleepMonitor *monitor);
};
enum {
SLEEPING,
RESUMING,
LAST_SIGNAL,
};
static guint signals[LAST_SIGNAL] = {0};
G_DEFINE_TYPE (NMSleepMonitor, nm_sleep_monitor, G_TYPE_OBJECT);
/********************************************************************/
static void
upower_sleeping_cb (DBusGProxy *proxy, gpointer user_data)
{
nm_log_dbg (LOGD_SUSPEND, "Received UPower sleeping signal");
g_signal_emit (user_data, signals[SLEEPING], 0);
}
static void
upower_resuming_cb (DBusGProxy *proxy, gpointer user_data)
{
nm_log_dbg (LOGD_SUSPEND, "Received UPower resuming signal");
g_signal_emit (user_data, signals[RESUMING], 0);
}
static void
nm_sleep_monitor_init (NMSleepMonitor *self)
{
DBusGConnection *bus;
bus = nm_dbus_manager_get_connection (nm_dbus_manager_get ());
self->upower_proxy = dbus_g_proxy_new_for_name (bus,
UPOWER_DBUS_SERVICE,
"/org/freedesktop/UPower",
"org.freedesktop.UPower");
if (self->upower_proxy) {
dbus_g_proxy_add_signal (self->upower_proxy, "Sleeping", G_TYPE_INVALID);
dbus_g_proxy_connect_signal (self->upower_proxy, "Sleeping",
G_CALLBACK (upower_sleeping_cb),
self, NULL);
dbus_g_proxy_add_signal (self->upower_proxy, "Resuming", G_TYPE_INVALID);
dbus_g_proxy_connect_signal (self->upower_proxy, "Resuming",
G_CALLBACK (upower_resuming_cb),
self, NULL);
} else
nm_log_warn (LOGD_SUSPEND, "could not initialize UPower D-Bus proxy");
}
static void
finalize (GObject *object)
{
NMSleepMonitor *self = NM_SLEEP_MONITOR (object);
if (self->upower_proxy)
g_object_unref (self->upower_proxy);
if (G_OBJECT_CLASS (nm_sleep_monitor_parent_class)->finalize != NULL)
G_OBJECT_CLASS (nm_sleep_monitor_parent_class)->finalize (object);
}
static void
nm_sleep_monitor_class_init (NMSleepMonitorClass *klass)
{
GObjectClass *gobject_class;
gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = finalize;
signals[SLEEPING] = g_signal_new (NM_SLEEP_MONITOR_SLEEPING,
NM_TYPE_SLEEP_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (NMSleepMonitorClass, sleeping),
NULL, /* accumulator */
NULL, /* accumulator data */
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[RESUMING] = g_signal_new (NM_SLEEP_MONITOR_RESUMING,
NM_TYPE_SLEEP_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (NMSleepMonitorClass, resuming),
NULL, /* accumulator */
NULL, /* accumulator data */
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
NMSleepMonitor *
nm_sleep_monitor_get (void)
{
static NMSleepMonitor *singleton = NULL;
if (singleton)
return g_object_ref (singleton);
singleton = NM_SLEEP_MONITOR (g_object_new (NM_TYPE_SLEEP_MONITOR, NULL));
return singleton;
}
/* ---------------------------------------------------------------------------------------------------- */
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