path: root/src/up-daemon.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
 *
 * Copyright (C) 2008 David Zeuthen <davidz@redhat.com>
 * Copyright (C) 2008 Richard Hughes <richard@hughsie.com>
 *
 * 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 St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifdef HAVE_CONFIG_H
#  include "config.h"
#endif

#include <string.h>
#include <stdlib.h>

#include <glib.h>
#include <glib/gi18n-lib.h>
#include <glib-object.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>

#include "up-config.h"
#include "up-polkit.h"
#include "up-device-list.h"
#include "up-device.h"
#include "up-backend.h"
#include "up-daemon.h"

#include "up-daemon-glue.h"
#include "up-marshal.h"

enum
{
	PROP_0,
	PROP_DAEMON_VERSION,
	PROP_ON_BATTERY,
	PROP_LID_IS_CLOSED,
	PROP_LID_IS_PRESENT,
	PROP_IS_DOCKED,
	PROP_WARNING_LEVEL,
	PROP_LAST
};

enum
{
	SIGNAL_DEVICE_ADDED,
	SIGNAL_DEVICE_REMOVED,
	SIGNAL_DEVICE_CHANGED,
	SIGNAL_CHANGED,
	SIGNAL_LAST,
};

static guint signals[SIGNAL_LAST] = { 0 };

struct UpDaemonPrivate
{
	DBusGConnection		*connection;
	DBusGProxy		*proxy;
	UpConfig		*config;
	UpPolkit		*polkit;
	UpBackend		*backend;
	UpDeviceList		*power_devices;
	gboolean		 on_battery;
	UpDeviceLevel		 warning_level;
	gboolean		 lid_is_closed;
	gboolean		 lid_is_present;
	gboolean		 is_docked;
	gboolean		 during_coldplug;
	guint			 battery_poll_id;
	guint			 battery_poll_count;

	gboolean		 use_percentage_for_policy;
	guint			 low_percentage;
	guint			 critical_percentage;
	guint			 action_percentage;
	guint			 low_time;
	guint			 critical_time;
	guint			 action_time;
};

static void	up_daemon_finalize		(GObject	*object);
static gboolean	up_daemon_get_on_battery_local	(UpDaemon	*daemon);
static gboolean	up_daemon_get_warning_level_local(UpDaemon	*daemon);
static gboolean	up_daemon_get_on_ac_local 	(UpDaemon	*daemon);

G_DEFINE_TYPE (UpDaemon, up_daemon, G_TYPE_OBJECT)

#define UP_DAEMON_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), UP_TYPE_DAEMON, UpDaemonPrivate))

/* refresh all the devices after this much time when on-battery has changed */
#define UP_DAEMON_ON_BATTERY_REFRESH_DEVICES_DELAY	1 /* seconds */
#define UP_DAEMON_POLL_BATTERY_NUMBER_TIMES		5

/**
 * up_daemon_get_on_battery_local:
 *
 * As soon as _any_ battery goes discharging, this is true
 **/
static gboolean
up_daemon_get_on_battery_local (UpDaemon *daemon)
{
	guint i;
	gboolean ret;
	gboolean result = FALSE;
	gboolean on_battery;
	UpDevice *device;
	GPtrArray *array;

	/* ask each device */
	array = up_device_list_get_array (daemon->priv->power_devices);
	for (i=0; i<array->len; i++) {
		device = (UpDevice *) g_ptr_array_index (array, i);
		ret = up_device_get_on_battery (device, &on_battery);
		if (ret && on_battery) {
			result = TRUE;
			break;
		}
	}
	g_ptr_array_unref (array);
	return result;
}

/**
 * up_daemon_get_number_devices_of_type:
 **/
guint
up_daemon_get_number_devices_of_type (UpDaemon *daemon, UpDeviceKind type)
{
	guint i;
	UpDevice *device;
	GPtrArray *array;
	UpDeviceKind type_tmp;
	guint count = 0;

	/* ask each device */
	array = up_device_list_get_array (daemon->priv->power_devices);
	for (i=0; i<array->len; i++) {
		device = (UpDevice *) g_ptr_array_index (array, i);
		g_object_get (device,
			      "type", &type_tmp,
			      NULL);
		if (type == type_tmp)
			count++;
	}
	g_ptr_array_unref (array);
	return count;
}

/**
 * up_daemon_get_warning_level_local:
 *
 * As soon as _all_ batteries are low, this is true
 **/
static gboolean
up_daemon_get_warning_level_local (UpDaemon *daemon)
{
	guint i;
	GPtrArray *array;
	UpDeviceLevel level = UP_DEVICE_LEVEL_LAST;

	/* ask each device */
	array = up_device_list_get_array (daemon->priv->power_devices);
	for (i = 0; i < array->len; i++) {
		UpDevice *device;
		UpDeviceLevel device_level;
		UpDeviceKind kind;

		device = g_ptr_array_index (array, i);
		g_object_get (G_OBJECT (device),
			      "type", &kind,
			      "warning-level", &device_level,
			      NULL);
		if (kind != UP_DEVICE_KIND_BATTERY &&
		    kind != UP_DEVICE_KIND_UPS)
			continue;
		if (device_level < level)
			level = device_level;
	}
	g_ptr_array_unref (array);

	if (level == UP_DEVICE_LEVEL_LAST)
		level = UP_DEVICE_LEVEL_NONE;

	return level;
}

/**
 * up_daemon_get_on_ac_local:
 *
 * As soon as _any_ ac supply goes online, this is true
 **/
static gboolean
up_daemon_get_on_ac_local (UpDaemon *daemon)
{
	guint i;
	gboolean ret;
	gboolean result = FALSE;
	gboolean online;
	UpDevice *device;
	GPtrArray *array;

	/* ask each device */
	array = up_device_list_get_array (daemon->priv->power_devices);
	for (i=0; i<array->len; i++) {
		device = (UpDevice *) g_ptr_array_index (array, i);
		ret = up_device_get_online (device, &online);
		if (ret && online) {
			result = TRUE;
			break;
		}
	}
	g_ptr_array_unref (array);
	return result;
}

/**
 * up_daemon_refresh_battery_devices:
 **/
static gboolean
up_daemon_refresh_battery_devices (UpDaemon *daemon)
{
	guint i;
	GPtrArray *array;
	UpDevice *device;
	UpDeviceKind type;

	/* refresh all devices in array */
	array = up_device_list_get_array (daemon->priv->power_devices);
	for (i=0; i<array->len; i++) {
		device = (UpDevice *) g_ptr_array_index (array, i);
		/* only refresh battery devices */
		g_object_get (device,
			      "type", &type,
			      NULL);
		if (type == UP_DEVICE_KIND_BATTERY)
			up_device_refresh_internal (device);
	}
	g_ptr_array_unref (array);

	return TRUE;
}

/**
 * up_daemon_enumerate_devices:
 **/
gboolean
up_daemon_enumerate_devices (UpDaemon *daemon, DBusGMethodInvocation *context)
{
	guint i;
	GPtrArray *array;
	GPtrArray *object_paths;
	UpDevice *device;

	/* build a pointer array of the object paths */
	object_paths = g_ptr_array_new_with_free_func (g_free);
	array = up_device_list_get_array (daemon->priv->power_devices);
	for (i=0; i<array->len; i++) {
		device = (UpDevice *) g_ptr_array_index (array, i);
		g_ptr_array_add (object_paths, g_strdup (up_device_get_object_path (device)));
	}
	g_ptr_array_unref (array);

	/* return it on the bus */
	dbus_g_method_return (context, object_paths);

	/* free */
	g_ptr_array_unref (object_paths);
	return TRUE;
}

/**
 * up_daemon_register_power_daemon:
 **/
static gboolean
up_daemon_register_power_daemon (UpDaemon *daemon)
{
	GError *error = NULL;
	gboolean ret = FALSE;
	UpDaemonPrivate *priv = daemon->priv;

	priv->connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error);
	if (priv->connection == NULL) {
		if (error != NULL) {
			g_critical ("error getting system bus: %s", error->message);
			g_error_free (error);
		}
		goto out;
	}

	/* connect to DBUS */
	priv->proxy = dbus_g_proxy_new_for_name (priv->connection,
						 DBUS_SERVICE_DBUS,
						 DBUS_PATH_DBUS,
						 DBUS_INTERFACE_DBUS);

	/* register GObject */
	dbus_g_connection_register_g_object (priv->connection,
					     "/org/freedesktop/UPower",
					     G_OBJECT (daemon));

	/* success */
	ret = TRUE;
out:
	return ret;
}

/**
 * up_daemon_startup:
 **/
gboolean
up_daemon_startup (UpDaemon *daemon)
{
	gboolean ret;
	gboolean on_battery;
	UpDeviceLevel warning_level;
	UpDaemonPrivate *priv = daemon->priv;

	/* register on bus */
	ret = up_daemon_register_power_daemon (daemon);
	if (!ret) {
		g_warning ("failed to register");
		goto out;
	}

	/* stop signals and callbacks */
	g_debug ("daemon now coldplug");
	g_object_freeze_notify (G_OBJECT(daemon));
	priv->during_coldplug = TRUE;

	/* coldplug backend backend */
	ret = up_backend_coldplug (priv->backend, daemon);
	if (!ret) {
		g_warning ("failed to coldplug backend");
		goto out;
	}

	/* get battery state */
	on_battery = (up_daemon_get_on_battery_local (daemon) &&
		      !up_daemon_get_on_ac_local (daemon));
	warning_level = up_daemon_get_warning_level_local (daemon);
	up_daemon_set_on_battery (daemon, on_battery);
	up_daemon_set_warning_level (daemon, warning_level);

	/* start signals and callbacks */
	g_object_thaw_notify (G_OBJECT(daemon));
	priv->during_coldplug = FALSE;
	g_debug ("daemon now not coldplug");

out:
	return ret;
}

/**
 * up_daemon_get_device_list:
 **/
UpDeviceList *
up_daemon_get_device_list (UpDaemon *daemon)
{
	return g_object_ref (daemon->priv->power_devices);
}

/**
 * up_daemon_properties_changed_cb:
 **/
static void
up_daemon_emit_properties_changed (UpDaemon *daemon)
{
	g_return_if_fail (UP_IS_DAEMON (daemon));

	/* emit */
	if (!daemon->priv->during_coldplug) {
		g_debug ("emitting changed");
		g_signal_emit (daemon, signals[SIGNAL_CHANGED], 0);
	}
}

/**
 * up_daemon_set_lid_is_closed:
 **/
void
up_daemon_set_lid_is_closed (UpDaemon *daemon, gboolean lid_is_closed)
{
	UpDaemonPrivate *priv = daemon->priv;

	/* check if we are ignoring the lid */
	if (up_config_get_boolean (priv->config, "IgnoreLid")) {
		g_debug ("ignoring lid state");
		return;
	}

	g_debug ("lid_is_closed = %s", lid_is_closed ? "yes" : "no");
	priv->lid_is_closed = lid_is_closed;
	g_object_notify (G_OBJECT (daemon), "lid-is-closed");

	up_daemon_emit_properties_changed (daemon);
}

/**
 * up_daemon_set_lid_is_present:
 **/
void
up_daemon_set_lid_is_present (UpDaemon *daemon, gboolean lid_is_present)
{
	UpDaemonPrivate *priv = daemon->priv;

	/* check if we are ignoring the lid */
	if (up_config_get_boolean (priv->config, "IgnoreLid")) {
		g_debug ("ignoring lid state");
		return;
	}

	g_debug ("lid_is_present = %s", lid_is_present ? "yes" : "no");
	priv->lid_is_present = lid_is_present;
	g_object_notify (G_OBJECT (daemon), "lid-is-present");

	up_daemon_emit_properties_changed (daemon);
}

/**
 * up_daemon_set_is_docked:
 **/
void
up_daemon_set_is_docked (UpDaemon *daemon, gboolean is_docked)
{
	UpDaemonPrivate *priv = daemon->priv;
	g_debug ("is_docked = %s", is_docked ? "yes" : "no");
	priv->is_docked = is_docked;
	g_object_notify (G_OBJECT (daemon), "is-docked");

	up_daemon_emit_properties_changed (daemon);
}

/**
 * up_daemon_set_on_battery:
 **/
void
up_daemon_set_on_battery (UpDaemon *daemon, gboolean on_battery)
{
	UpDaemonPrivate *priv = daemon->priv;
	g_debug ("on_battery = %s", on_battery ? "yes" : "no");
	priv->on_battery = on_battery;
	g_object_notify (G_OBJECT (daemon), "on-battery");

	up_daemon_emit_properties_changed (daemon);
}

/**
 * up_daemon_set_warning_level:
 **/
void
up_daemon_set_warning_level (UpDaemon *daemon, UpDeviceLevel warning_level)
{
	UpDaemonPrivate *priv = daemon->priv;
	g_debug ("warning_level = %s", up_device_level_to_string (warning_level));
	priv->warning_level = warning_level;
	g_object_notify (G_OBJECT (daemon), "warning-level");

	up_daemon_emit_properties_changed (daemon);
}

UpDeviceLevel
up_daemon_compute_warning_level (UpDaemon     *daemon,
				 UpDeviceKind  kind,
				 gboolean      power_supply,
				 gdouble       percentage,
				 gint64        time_to_empty)
{
	gboolean use_percentage = TRUE;

	/* Keyboard and mice usually have a coarser
	 * battery level, so this avoids falling directly
	 * into critical (or off) before any warnings */
	if (kind == UP_DEVICE_KIND_MOUSE ||
	    kind == UP_DEVICE_KIND_KEYBOARD) {
		if (percentage < 13.0f)
			return UP_DEVICE_LEVEL_CRITICAL;
		else if (percentage < 26.0f)
			return  UP_DEVICE_LEVEL_LOW;
		else
			return UP_DEVICE_LEVEL_NONE;
	}

	if (!power_supply || !daemon->priv->use_percentage_for_policy)
		use_percentage = FALSE;

	if (use_percentage) {
		if (percentage > daemon->priv->low_percentage)
			return UP_DEVICE_LEVEL_NONE;
		if (percentage > daemon->priv->critical_percentage)
			return UP_DEVICE_LEVEL_LOW;
		if (percentage > daemon->priv->action_percentage)
			return UP_DEVICE_LEVEL_CRITICAL;
		return UP_DEVICE_LEVEL_ACTION;
	} else {
		if (time_to_empty > daemon->priv->low_time)
			return UP_DEVICE_LEVEL_NONE;
		if (time_to_empty > daemon->priv->critical_time)
			return UP_DEVICE_LEVEL_LOW;
		if (time_to_empty > daemon->priv->action_time)
			return UP_DEVICE_LEVEL_CRITICAL;
		return UP_DEVICE_LEVEL_ACTION;
	}
	g_assert_not_reached ();
}

/**
 * up_daemon_refresh_battery_devices_cb:
 **/
static gboolean
up_daemon_refresh_battery_devices_cb (UpDaemon *daemon)
{
	UpDaemonPrivate *priv = daemon->priv;

	/* no more left to do? */
	if (priv->battery_poll_count-- == 0) {
		priv->battery_poll_id = 0;
		return FALSE;
	}

	g_debug ("doing the delayed refresh (%i)", priv->battery_poll_count);
	up_daemon_refresh_battery_devices (daemon);

	/* keep going until none left to do */
	return TRUE;
}

/**
 * up_daemon_poll_battery_devices_for_a_little_bit:
 **/
static void
up_daemon_poll_battery_devices_for_a_little_bit (UpDaemon *daemon)
{
	UpDaemonPrivate *priv = daemon->priv;

	priv->battery_poll_count = UP_DAEMON_POLL_BATTERY_NUMBER_TIMES;

	/* already polling */
	if (priv->battery_poll_id != 0)
		return;
	priv->battery_poll_id =
		g_timeout_add_seconds (UP_DAEMON_ON_BATTERY_REFRESH_DEVICES_DELAY,
				       (GSourceFunc) up_daemon_refresh_battery_devices_cb, daemon);
#if GLIB_CHECK_VERSION(2,25,8)
	g_source_set_name_by_id (priv->battery_poll_id, "[UpDaemon] poll batteries for AC event");
#endif
}

/**
 * up_daemon_device_changed_cb:
 **/
static void
up_daemon_device_changed_cb (UpDevice *device, UpDaemon *daemon)
{
	const gchar *object_path;
	UpDeviceKind type;
	gboolean ret;
	UpDaemonPrivate *priv = daemon->priv;
	UpDeviceLevel warning_level;

	g_return_if_fail (UP_IS_DAEMON (daemon));
	g_return_if_fail (UP_IS_DEVICE (device));

	/* refresh battery devices when AC state changes */
	g_object_get (device,
		      "type", &type,
		      NULL);
	if (type == UP_DEVICE_KIND_LINE_POWER) {
		/* refresh now, and again in a little while */
		up_daemon_refresh_battery_devices (daemon);
		up_daemon_poll_battery_devices_for_a_little_bit (daemon);
	}

	/* second, check if the on_battery and warning_level state has changed */
	ret = (up_daemon_get_on_battery_local (daemon) && !up_daemon_get_on_ac_local (daemon));
	if (ret != priv->on_battery) {
		up_daemon_set_on_battery (daemon, ret);
	}
	warning_level = up_daemon_get_warning_level_local (daemon);
	if (warning_level != priv->warning_level)
		up_daemon_set_warning_level (daemon, warning_level);

	/* emit */
	if (!priv->during_coldplug) {
		object_path = up_device_get_object_path (device);
		g_debug ("emitting device-changed: %s", object_path);

		/* don't crash the session */
		if (object_path == NULL) {
			g_warning ("INTERNAL STATE CORRUPT: not sending NULL, device:%p", device);
			return;
		}
		g_signal_emit (daemon, signals[SIGNAL_DEVICE_CHANGED], 0, object_path);
	}
}

/**
 * up_daemon_device_added_cb:
 **/
static void
up_daemon_device_added_cb (UpBackend *backend, GObject *native, UpDevice *device, UpDaemon *daemon)
{
	UpDeviceKind type;
	const gchar *object_path;
	UpDaemonPrivate *priv = daemon->priv;

	g_return_if_fail (UP_IS_DAEMON (daemon));
	g_return_if_fail (UP_IS_DEVICE (device));
	g_return_if_fail (G_IS_OBJECT (native));

	/* add to device list */
	up_device_list_insert (priv->power_devices, native, G_OBJECT (device));

	/* connect, so we get changes */
	g_signal_connect (device, "changed",
			  G_CALLBACK (up_daemon_device_changed_cb), daemon);

	/* refresh after a short delay */
	g_object_get (device,
		      "type", &type,
		      NULL);
	if (type == UP_DEVICE_KIND_BATTERY)
		up_daemon_poll_battery_devices_for_a_little_bit (daemon);

	/* emit */
	if (!priv->during_coldplug) {
		object_path = up_device_get_object_path (device);
		g_debug ("emitting added: %s (during coldplug %i)", object_path, priv->during_coldplug);

		/* don't crash the session */
		if (object_path == NULL) {
			g_warning ("INTERNAL STATE CORRUPT: not sending NULL, native:%p, device:%p", native, device);
			return;
		}
		g_signal_emit (daemon, signals[SIGNAL_DEVICE_ADDED], 0, object_path);
	}
}

/**
 * up_daemon_device_removed_cb:
 **/
static void
up_daemon_device_removed_cb (UpBackend *backend, GObject *native, UpDevice *device, UpDaemon *daemon)
{
	UpDeviceKind type;
	const gchar *object_path;
	UpDaemonPrivate *priv = daemon->priv;

	g_return_if_fail (UP_IS_DAEMON (daemon));
	g_return_if_fail (UP_IS_DEVICE (device));
	g_return_if_fail (G_IS_OBJECT (native));

	/* remove from list */
	up_device_list_remove (priv->power_devices, G_OBJECT(device));

	/* refresh after a short delay */
	g_object_get (device,
		      "type", &type,
		      NULL);
	if (type == UP_DEVICE_KIND_BATTERY)
		up_daemon_poll_battery_devices_for_a_little_bit (daemon);

	/* emit */
	if (!priv->during_coldplug) {
		object_path = up_device_get_object_path (device);
		g_debug ("emitting device-removed: %s", object_path);

		/* don't crash the session */
		if (object_path == NULL) {
			g_warning ("INTERNAL STATE CORRUPT: not sending NULL, native:%p, device:%p", native, device);
			return;
		}
		g_signal_emit (daemon, signals[SIGNAL_DEVICE_REMOVED], 0, object_path);
	}

	/* finalise the object */
	g_object_unref (device);
}

#define LOAD_OR_DEFAULT(val, str, def) val = (load_default ? def : up_config_get_uint (daemon->priv->config, str))

static void
load_percentage_policy (UpDaemon    *daemon,
			gboolean     load_default)
{
	LOAD_OR_DEFAULT (daemon->priv->low_percentage, "PercentageLow", 10);
	LOAD_OR_DEFAULT (daemon->priv->critical_percentage, "PercentageCritical", 3);
	LOAD_OR_DEFAULT (daemon->priv->action_percentage, "PercentageAction", 2);
}

static void
load_time_policy (UpDaemon    *daemon,
		  gboolean     load_default)
{
	LOAD_OR_DEFAULT (daemon->priv->low_time, "TimeLow", 1200);
	LOAD_OR_DEFAULT (daemon->priv->critical_time, "TimeCritical", 300);
	LOAD_OR_DEFAULT (daemon->priv->action_time, "TimeAction", 120);
}

#define IS_DESCENDING(x, y, z) (x > y && y > z)

static void
policy_config_validate (UpDaemon *daemon)
{
	if (daemon->priv->low_percentage >= 100 ||
	    daemon->priv->critical_percentage >= 100 ||
	    daemon->priv->action_percentage >= 100) {
		load_percentage_policy (daemon, TRUE);
	} else if (!IS_DESCENDING (daemon->priv->low_percentage,
				   daemon->priv->critical_percentage,
				   daemon->priv->action_percentage)) {
		load_percentage_policy (daemon, TRUE);
	}

	if (!IS_DESCENDING (daemon->priv->low_time,
			    daemon->priv->critical_time,
			    daemon->priv->action_time)) {
		load_time_policy (daemon, TRUE);
	}
}

/**
 * up_daemon_init:
 **/
static void
up_daemon_init (UpDaemon *daemon)
{
	daemon->priv = UP_DAEMON_GET_PRIVATE (daemon);
	daemon->priv->polkit = up_polkit_new ();
	daemon->priv->config = up_config_new ();
	daemon->priv->power_devices = up_device_list_new ();

	daemon->priv->use_percentage_for_policy = up_config_get_boolean (daemon->priv->config, "UsePercentageForPolicy");
	load_percentage_policy (daemon, FALSE);
	load_time_policy (daemon, FALSE);
	policy_config_validate (daemon);

	daemon->priv->backend = up_backend_new ();
	g_signal_connect (daemon->priv->backend, "device-added",
			  G_CALLBACK (up_daemon_device_added_cb), daemon);
	g_signal_connect (daemon->priv->backend, "device-removed",
			  G_CALLBACK (up_daemon_device_removed_cb), daemon);
}

/**
 * up_daemon_error_quark:
 **/
GQuark
up_daemon_error_quark (void)
{
	static GQuark ret = 0;
	if (ret == 0)
		ret = g_quark_from_static_string ("up_daemon_error");
	return ret;
}

#define ENUM_ENTRY(NAME, DESC) { NAME, "" #NAME "", DESC }
/**
 * up_daemon_error_get_type:
 **/
GType
up_daemon_error_get_type (void)
{
	static GType etype = 0;

	if (etype == 0) {
		static const GEnumValue values[] = {
			ENUM_ENTRY (UP_DAEMON_ERROR_GENERAL, "GeneralError"),
			ENUM_ENTRY (UP_DAEMON_ERROR_NOT_SUPPORTED, "NotSupported"),
			ENUM_ENTRY (UP_DAEMON_ERROR_NO_SUCH_DEVICE, "NoSuchDevice"),
			{ 0, 0, 0 }
		};
		g_assert (UP_DAEMON_NUM_ERRORS == G_N_ELEMENTS (values) - 1);
		etype = g_enum_register_static ("UpDaemonError", values);
	}
	return etype;
}

/**
 * up_daemon_get_property:
 **/
static void
up_daemon_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
	UpDaemon *daemon = UP_DAEMON (object);
	UpDaemonPrivate *priv = daemon->priv;

	switch (prop_id) {
	case PROP_DAEMON_VERSION:
		g_value_set_string (value, PACKAGE_VERSION);
		break;
	case PROP_ON_BATTERY:
		g_value_set_boolean (value, priv->on_battery);
		break;
	case PROP_LID_IS_CLOSED:
		g_value_set_boolean (value, priv->lid_is_closed);
		break;
	case PROP_LID_IS_PRESENT:
		g_value_set_boolean (value, priv->lid_is_present);
		break;
	case PROP_IS_DOCKED:
		g_value_set_boolean (value, priv->is_docked);
		break;
	case PROP_WARNING_LEVEL:
		g_value_set_uint (value, priv->warning_level);
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
	}
}

/**
 * up_daemon_class_init:
 **/
static void
up_daemon_class_init (UpDaemonClass *klass)
{
	GObjectClass *object_class = G_OBJECT_CLASS (klass);
	object_class->finalize = up_daemon_finalize;
	object_class->get_property = up_daemon_get_property;

	g_type_class_add_private (klass, sizeof (UpDaemonPrivate));

	signals[SIGNAL_DEVICE_ADDED] =
		g_signal_new ("device-added",
			      G_OBJECT_CLASS_TYPE (klass),
			      G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
			      0, NULL, NULL,
			      g_cclosure_marshal_generic,
			      G_TYPE_NONE, 1, DBUS_TYPE_G_OBJECT_PATH);

	signals[SIGNAL_DEVICE_REMOVED] =
		g_signal_new ("device-removed",
			      G_OBJECT_CLASS_TYPE (klass),
			      G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
			      0, NULL, NULL,
			      g_cclosure_marshal_generic,
			      G_TYPE_NONE, 1, DBUS_TYPE_G_OBJECT_PATH);

	signals[SIGNAL_DEVICE_CHANGED] =
		g_signal_new ("device-changed",
			      G_OBJECT_CLASS_TYPE (klass),
			      G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
			      0, NULL, NULL,
			      g_cclosure_marshal_generic,
			      G_TYPE_NONE, 1, DBUS_TYPE_G_OBJECT_PATH);

	signals[SIGNAL_CHANGED] =
		g_signal_new ("changed",
			      G_OBJECT_CLASS_TYPE (klass),
			      G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
			      0, NULL, NULL,
			      g_cclosure_marshal_VOID__VOID,
			      G_TYPE_NONE, 0);

	g_object_class_install_property (object_class,
					 PROP_DAEMON_VERSION,
					 g_param_spec_string ("daemon-version",
							      "Daemon Version",
							      "The version of the running daemon",
							      NULL,
							      G_PARAM_READABLE));

	g_object_class_install_property (object_class,
					 PROP_LID_IS_PRESENT,
					 g_param_spec_boolean ("lid-is-present",
							       "Is a laptop",
							       "If this computer is probably a laptop",
							       FALSE,
							       G_PARAM_READABLE));

	g_object_class_install_property (object_class,
					 PROP_IS_DOCKED,
					 g_param_spec_boolean ("is-docked",
							       "Is docked",
							       "If this computer is docked",
							       FALSE,
							       G_PARAM_READABLE));

	g_object_class_install_property (object_class,
					 PROP_ON_BATTERY,
					 g_param_spec_boolean ("on-battery",
							       "On Battery",
							       "Whether the system is running on battery",
							       FALSE,
							       G_PARAM_READABLE));

	g_object_class_install_property (object_class,
					 PROP_WARNING_LEVEL,
					 g_param_spec_uint ("warning-level",
							    NULL, NULL,
							    UP_DEVICE_LEVEL_UNKNOWN,
							    UP_DEVICE_LEVEL_LAST,
							    UP_DEVICE_LEVEL_UNKNOWN,
							    G_PARAM_READABLE));

	g_object_class_install_property (object_class,
					 PROP_LID_IS_CLOSED,
					 g_param_spec_boolean ("lid-is-closed",
							       "Laptop lid is closed",
							       "If the laptop lid is closed",
							       FALSE,
							       G_PARAM_READABLE));

	dbus_g_object_type_install_info (UP_TYPE_DAEMON, &dbus_glib_up_daemon_object_info);

	dbus_g_error_domain_register (UP_DAEMON_ERROR, NULL, UP_DAEMON_TYPE_ERROR);
}

/**
 * up_daemon_finalize:
 **/
static void
up_daemon_finalize (GObject *object)
{
	UpDaemon *daemon = UP_DAEMON (object);
	UpDaemonPrivate *priv = daemon->priv;

	if (priv->battery_poll_id != 0)
		g_source_remove (priv->battery_poll_id);

	if (priv->proxy != NULL)
		g_object_unref (priv->proxy);
	if (priv->connection != NULL)
		dbus_g_connection_unref (priv->connection);
	g_object_unref (priv->power_devices);
	g_object_unref (priv->polkit);
	g_object_unref (priv->config);
	g_object_unref (priv->backend);

	G_OBJECT_CLASS (up_daemon_parent_class)->finalize (object);
}

/**
 * up_daemon_new:
 **/
UpDaemon *
up_daemon_new (void)
{
	return UP_DAEMON (g_object_new (UP_TYPE_DAEMON, NULL));
}