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/*
* Copyright (C) 2010-2011 Robert Ancell.
* Author: Robert Ancell <robert.ancell@canonical.com>
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2 or version 3 of the License.
* See http://www.gnu.org/copyleft/lgpl.html the full text of the license.
*/
#include <config.h>
#include <string.h>
#include <gio/gio.h>
#include "lightdm/power.h"
static GDBusProxy *upower_proxy = NULL;
static GDBusProxy *ck_proxy = NULL;
static GDBusProxy *login1_proxy = NULL;
static GVariant *
upower_call_function (const gchar *function, GError **error)
{
if (!upower_proxy)
{
upower_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.freedesktop.UPower",
"/org/freedesktop/UPower",
"org.freedesktop.UPower",
NULL,
error);
if (!upower_proxy)
return NULL;
}
return g_dbus_proxy_call_sync (upower_proxy,
function,
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
error);
}
static GVariant *
login1_call_function (const gchar *function, GVariant *parameters, GError **error)
{
GVariant *r;
if (!login1_proxy)
{
login1_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
NULL,
error);
if (!login1_proxy)
return NULL;
}
r = g_dbus_proxy_call_sync (login1_proxy,
function,
parameters,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
error);
return r;
}
/**
* lightdm_get_can_suspend:
*
* Checks if authorized to do a system suspend.
*
* Return value: #TRUE if can suspend the system
**/
gboolean
lightdm_get_can_suspend (void)
{
gboolean can_suspend = FALSE;
GVariant *r;
r = login1_call_function ("CanSuspend", NULL, NULL);
if (r)
{
gchar *result;
if (g_variant_is_of_type (r, G_VARIANT_TYPE ("(s)")))
{
g_variant_get (r, "(&s)", &result);
can_suspend = g_strcmp0 (result, "yes") == 0;
}
}
else
{
r = upower_call_function ("SuspendAllowed", NULL);
if (r && g_variant_is_of_type (r, G_VARIANT_TYPE ("(b)")))
g_variant_get (r, "(b)", &can_suspend);
}
if (r)
g_variant_unref (r);
return can_suspend;
}
/**
* lightdm_suspend:
* @error: return location for a #GError, or %NULL
*
* Triggers a system suspend.
*
* Return value: #TRUE if suspend initiated.
**/
gboolean
lightdm_suspend (GError **error)
{
GVariant *result;
gboolean suspended;
result = login1_call_function ("Suspend", g_variant_new("(b)", FALSE), error);
if (!result)
{
if (error)
g_debug ("Can't suspend using logind; falling back to UPower: %s", (*error)->message);
g_clear_error (error);
result = upower_call_function ("Suspend", error);
}
suspended = result != NULL;
if (result)
g_variant_unref (result);
return suspended;
}
/**
* lightdm_get_can_hibernate:
*
* Checks if is authorized to do a system hibernate.
*
* Return value: #TRUE if can hibernate the system
**/
gboolean
lightdm_get_can_hibernate (void)
{
gboolean can_hibernate = FALSE;
GVariant *r;
r = login1_call_function ("CanHibernate", NULL, NULL);
if (r)
{
gchar *result;
if (g_variant_is_of_type (r, G_VARIANT_TYPE ("(s)")))
{
g_variant_get (r, "(&s)", &result);
can_hibernate = g_strcmp0 (result, "yes") == 0;
}
}
else
{
r = upower_call_function ("HibernateAllowed", NULL);
if (r && g_variant_is_of_type (r, G_VARIANT_TYPE ("(b)")))
g_variant_get (r, "(b)", &can_hibernate);
}
if (r)
g_variant_unref (r);
return can_hibernate;
}
/**
* lightdm_hibernate:
* @error: return location for a #GError, or %NULL
*
* Triggers a system hibernate.
*
* Return value: #TRUE if hibernate initiated.
**/
gboolean
lightdm_hibernate (GError **error)
{
GVariant *result;
gboolean hibernated;
result = login1_call_function ("Hibernate", g_variant_new("(b)", FALSE), error);
if (!result)
{
if (error)
g_debug ("Can't hibernate using logind; falling back to UPower: %s", (*error)->message);
g_clear_error (error);
result = upower_call_function ("Hibernate", error);
}
hibernated = result != NULL;
if (result)
g_variant_unref (result);
return hibernated;
}
static GVariant *
ck_call_function (const gchar *function, GError **error)
{
GVariant *r;
if (!ck_proxy)
{
ck_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.freedesktop.ConsoleKit",
"/org/freedesktop/ConsoleKit/Manager",
"org.freedesktop.ConsoleKit.Manager",
NULL,
error);
if (!ck_proxy)
return FALSE;
}
r = g_dbus_proxy_call_sync (ck_proxy,
function,
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
error);
return r;
}
/**
* lightdm_get_can_restart:
*
* Checks if is authorized to do a system restart.
*
* Return value: #TRUE if can restart the system
**/
gboolean
lightdm_get_can_restart (void)
{
gboolean can_restart = FALSE;
GVariant *r;
r = login1_call_function ("CanReboot", NULL, NULL);
if (r)
{
gchar *result;
if (g_variant_is_of_type (r, G_VARIANT_TYPE ("(s)")))
{
g_variant_get (r, "(&s)", &result);
can_restart = g_strcmp0 (result, "yes") == 0;
}
}
else
{
r = ck_call_function ("CanRestart", NULL);
if (r && g_variant_is_of_type (r, G_VARIANT_TYPE ("(b)")))
g_variant_get (r, "(b)", &can_restart);
}
if (r)
g_variant_unref (r);
return can_restart;
}
/**
* lightdm_restart:
* @error: return location for a #GError, or %NULL
*
* Triggers a system restart.
*
* Return value: #TRUE if restart initiated.
**/
gboolean
lightdm_restart (GError **error)
{
GVariant *r;
gboolean restarted;
r = login1_call_function ("Reboot", g_variant_new("(b)", FALSE), error);
if (!r)
{
g_clear_error (error);
r = ck_call_function ("Restart", error);
}
restarted = r != NULL;
if (r)
g_variant_unref (r);
return restarted;
}
/**
* lightdm_get_can_shutdown:
*
* Checks if is authorized to do a system shutdown.
*
* Return value: #TRUE if can shutdown the system
**/
gboolean
lightdm_get_can_shutdown (void)
{
gboolean can_shutdown = FALSE;
GVariant *r;
r = login1_call_function ("CanPowerOff", NULL, NULL);
if (r)
{
gchar *result;
if (g_variant_is_of_type (r, G_VARIANT_TYPE ("(s)")))
{
g_variant_get (r, "(&s)", &result);
can_shutdown = g_strcmp0 (result, "yes") == 0;
}
}
else
{
r = ck_call_function ("CanStop", NULL);
if (r && g_variant_is_of_type (r, G_VARIANT_TYPE ("(b)")))
g_variant_get (r, "(b)", &can_shutdown);
}
if (r)
g_variant_unref (r);
return can_shutdown;
}
/**
* lightdm_shutdown:
* @error: return location for a #GError, or %NULL
*
* Triggers a system shutdown.
*
* Return value: #TRUE if shutdown initiated.
**/
gboolean
lightdm_shutdown (GError **error)
{
GVariant *r;
gboolean shutdown;
r = login1_call_function ("PowerOff", g_variant_new("(b)", FALSE), error);
if (!r)
{
g_clear_error (error);
r = ck_call_function ("Stop", error);
}
shutdown = r != NULL;
if (r)
g_variant_unref (r);
return shutdown;
}
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