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gnome-session/gnome-session-2.24.0-add-can-shutdown-api.patch

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diff -ru gnome-session-2.24.0/gnome-session/gsm-consolekit.c new/gnome-session/gsm-consolekit.c
--- gnome-session-2.24.0/gnome-session/gsm-consolekit.c 2008-09-22 17:21:08.000000000 -0400
+++ new/gnome-session/gsm-consolekit.c 2008-10-09 11:32:26.000000000 -0400
@@ -54,6 +54,7 @@
DBusGConnection *dbus_connection;
DBusGProxy *bus_proxy;
DBusGProxy *ck_proxy;
+ PolKitTracker *pk_tracker;
guint32 is_connected : 1;
};
@@ -136,15 +137,29 @@
g_type_class_add_private (manager_class, sizeof (GsmConsolekitPrivate));
}
+static DBusHandlerResult
+filter_function (DBusConnection *connection,
+ DBusMessage *message,
+ GsmConsolekit *manager)
+{
+ if (manager->priv->pk_tracker != NULL) {
+ polkit_tracker_dbus_func (manager->priv->pk_tracker, message);
+ }
+
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
static gboolean
gsm_consolekit_ensure_ck_connection (GsmConsolekit *manager,
GError **error)
{
+ DBusConnection *connection;
GError *connection_error;
gboolean is_connected;
connection_error = NULL;
+ connection = NULL;
if (manager->priv->dbus_connection == NULL) {
manager->priv->dbus_connection = dbus_g_bus_get (DBUS_BUS_SYSTEM,
&connection_error);
@@ -154,6 +169,13 @@
is_connected = FALSE;
goto out;
}
+
+ connection = dbus_g_connection_get_connection (manager->priv->dbus_connection);
+
+ dbus_connection_add_filter (connection,
+ (DBusHandleMessageFunction)
+ filter_function,
+ manager, NULL);
}
if (manager->priv->bus_proxy == NULL) {
@@ -198,6 +220,24 @@
}
}
+ if (manager->priv->pk_tracker == NULL && connection != NULL) {
+ PolKitCaller *caller;
+
+ manager->priv->pk_tracker = polkit_tracker_new ();
+ polkit_tracker_init (manager->priv->pk_tracker);
+ polkit_tracker_set_system_bus_connection (manager->priv->pk_tracker,
+ connection);
+
+ /* Prime the tracker's cache
+ */
+ caller = polkit_tracker_get_caller_from_dbus_name (manager->priv->pk_tracker,
+ CK_NAME, NULL);
+
+ if (caller != NULL) {
+ g_object_unref (caller);
+ }
+ }
+
is_connected = TRUE;
out:
@@ -825,20 +865,61 @@
return ret;
}
+static gboolean
+gsm_consolekit_can_do_action (GsmConsolekit *manager,
+ const char *action_name)
+{
+ PolKitGnomeContext *gnome_context;
+ PolKitPolicyCache *policy_cache;
+ PolKitPolicyFileEntry *file_entry;
+ PolKitPolicyDefault *policy;
+ PolKitAction *action;
+ PolKitCaller *caller;
+ PolKitResult result;
+
+ gnome_context = polkit_gnome_context_get (NULL);
+
+ if (gnome_context == NULL) {
+ return FALSE;
+ }
+
+ policy_cache = polkit_context_get_policy_cache (gnome_context->pk_context);
+ file_entry = polkit_policy_cache_get_entry_by_id (policy_cache, "org.freedesktop.consolekit");
+ policy = polkit_policy_file_entry_get_default (file_entry);
+ action = polkit_action_new ();
+ if (polkit_action_set_action_id (action, action_name)) {
+ polkit_action_unref (action);
+ return FALSE;
+ }
+
+ caller =
+ polkit_tracker_get_caller_from_dbus_name (manager->priv->pk_tracker,
+ CK_NAME, NULL);
+ result = polkit_policy_default_can_caller_do_action (policy, action,
+ caller);
+ polkit_caller_unref (caller);
+
+ return result != POLKIT_RESULT_NO && result != POLKIT_RESULT_UNKNOWN;
+}
+
gboolean
gsm_consolekit_can_restart (GsmConsolekit *manager)
{
#ifdef HAVE_POLKIT_GNOME
gboolean res;
GError *error;
+
error = NULL;
res = gsm_consolekit_ensure_ck_connection (manager, &error);
if (!res) {
g_warning ("Could not connect to ConsoleKit: %s",
error->message);
g_error_free (error);
+ return FALSE;
}
- return res;
+
+ return gsm_consolekit_can_do_action (manager, "org.freedesktop.consolekit.system.restart") ||
+ gsm_consolekit_can_do_action (manager, "org.freedesktop.consolekit.system.restart-multiple-users");
#else
g_debug ("GsmConsolekit: built without PolicyKit-gnome support - cannot restart system");
return FALSE;
@@ -857,8 +938,11 @@
g_warning ("Could not connect to ConsoleKit: %s",
error->message);
g_error_free (error);
+ return FALSE;
}
- return res;
+
+ return gsm_consolekit_can_do_action (manager, "org.freedesktop.consolekit.system.stop") ||
+ gsm_consolekit_can_do_action (manager, "org.freedesktop.consolekit.system.stop-multiple-users");
#else
g_debug ("GsmConsolekit: built without PolicyKit-gnome support - cannot stop system");
return FALSE;
diff -ru gnome-session-2.24.0/gnome-session/gsm-manager.c new/gnome-session/gsm-manager.c
--- gnome-session-2.24.0/gnome-session/gsm-manager.c 2008-09-22 17:21:08.000000000 -0400
+++ new/gnome-session/gsm-manager.c 2008-10-09 12:41:47.000000000 -0400
@@ -2313,6 +2313,35 @@
}
gboolean
+gsm_manager_can_shutdown (GsmManager *manager,
+ gboolean *shutdown_available,
+ GError **error)
+{
+ GsmConsolekit *consolekit;
+ GsmPowerManager *power_manager;
+
+ g_debug ("GsmManager: CanShutdown called");
+
+ g_return_val_if_fail (GSM_IS_MANAGER (manager), FALSE);
+
+ if (manager->priv->phase != GSM_MANAGER_PHASE_RUNNING) {
+ *shutdown_available = FALSE;
+ return TRUE;
+ }
+
+ consolekit = gsm_get_consolekit ();
+ power_manager = gsm_get_power_manager ();
+ *shutdown_available = gsm_consolekit_can_stop (consolekit)
+ || gsm_consolekit_can_restart (consolekit)
+ || gsm_power_manager_can_suspend (power_manager)
+ || gsm_power_manager_can_hibernate (power_manager);
+ g_object_unref (consolekit);
+ g_object_unref (power_manager);
+
+ return TRUE;
+}
+
+gboolean
gsm_manager_logout (GsmManager *manager,
guint logout_mode,
GError **error)
diff -ru gnome-session-2.24.0/gnome-session/gsm-manager.h new/gnome-session/gsm-manager.h
--- gnome-session-2.24.0/gnome-session/gsm-manager.h 2008-09-22 17:21:08.000000000 -0400
+++ new/gnome-session/gsm-manager.h 2008-10-09 12:42:20.000000000 -0400
@@ -151,6 +151,10 @@
gboolean gsm_manager_shutdown (GsmManager *manager,
GError **error);
+
+gboolean gsm_manager_can_shutdown (GsmManager *manager,
+ gboolean *shutdown_available,
+ GError **error);
gboolean gsm_manager_logout (GsmManager *manager,
guint logout_mode,
GError **error);
diff -ru gnome-session-2.24.0/gnome-session/org.gnome.SessionManager.xml new/gnome-session/org.gnome.SessionManager.xml
--- gnome-session-2.24.0/gnome-session/org.gnome.SessionManager.xml 2008-09-22 17:21:08.000000000 -0400
+++ new/gnome-session/org.gnome.SessionManager.xml 2008-10-09 12:35:17.000000000 -0400
@@ -252,6 +252,20 @@
</doc:doc>
</method>
+ <method name="CanShutdown">
+ <arg name="is_available" direction="out" type="b">
+ <doc:doc>
+ <doc:summary>True if shutdown is available to the user, false otherwise</doc:summary>
+ </doc:doc>
+ </arg>
+ <doc:doc>
+ <doc:description>
+ <doc:para>Allows the caller to determine whether or not it's okay to show
+ a shutdown option in the UI</doc:para>
+ </doc:description>
+ </doc:doc>
+ </method>
+
<method name="Logout">
<arg name="mode" type="u" direction="in">
<doc:doc>
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