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-rw-r--r--src/users-service-dbus.c130
1 files changed, 87 insertions, 43 deletions
diff --git a/src/users-service-dbus.c b/src/users-service-dbus.c
index 382c2dc..135a52e 100644
--- a/src/users-service-dbus.c
+++ b/src/users-service-dbus.c
@@ -46,7 +46,7 @@
***
**/
-static void init_users (UsersServiceDbus * self);
+static void update_user_list (UsersServiceDbus * self);
static gchar* get_seat (UsersServiceDbus * service);
@@ -98,8 +98,7 @@ struct _UsersServiceDbusPrivate
enum
{
- USER_ADDED,
- USER_DELETED,
+ USER_LIST_CHANGED,
USER_LOGGED_IN_CHANGED,
GUEST_LOGGED_IN_CHANGED,
N_SIGNALS
@@ -161,23 +160,14 @@ users_service_dbus_class_init (UsersServiceDbusClass *klass)
object_class->dispose = users_service_dbus_dispose;
object_class->finalize = users_service_dbus_finalize;
- signals[USER_ADDED] = g_signal_new (
- "user-added",
+ signals[USER_LIST_CHANGED] = g_signal_new (
+ "user-list-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (UsersServiceDbusClass, user_added),
+ G_STRUCT_OFFSET (UsersServiceDbusClass, user_list_changed),
NULL, NULL,
- g_cclosure_marshal_VOID__OBJECT,
- G_TYPE_NONE, 1, G_TYPE_OBJECT);
-
- signals[USER_DELETED] = g_signal_new (
- "user-deleted",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (UsersServiceDbusClass, user_deleted),
- NULL, NULL,
- g_cclosure_marshal_VOID__OBJECT,
- G_TYPE_NONE, 1, G_TYPE_OBJECT);
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
signals[USER_LOGGED_IN_CHANGED] = g_signal_new (
"user-logged-in-changed",
@@ -294,7 +284,7 @@ users_service_dbus_init (UsersServiceDbus *self)
g_signal_connect (proxy, "user-added", G_CALLBACK(on_user_added), self);
g_signal_connect (proxy, "user-deleted", G_CALLBACK(on_user_deleted), self);
p->accounts_proxy = proxy;
- init_users (self);
+ update_user_list (self);
}
}
@@ -303,15 +293,9 @@ users_service_dbus_init (UsersServiceDbus *self)
***/
static void
-emit_user_added (UsersServiceDbus * self, AccountsUser * user)
-{
- g_signal_emit (self, signals[USER_ADDED], 0, user);
-}
-
-static void
-emit_user_deleted (UsersServiceDbus * self, AccountsUser * user)
+emit_user_list_changed (UsersServiceDbus * self)
{
- g_signal_emit (self, signals[USER_DELETED], 0, user);
+ g_signal_emit (self, signals[USER_LIST_CHANGED], 0);
}
static void
@@ -528,7 +512,7 @@ add_user_session (UsersServiceDbus * service,
/* calls add_user_session() for each of this user's sessions */
static void
-add_user (UsersServiceDbus *self, AccountsUser * user)
+add_user_sessions (UsersServiceDbus *self, AccountsUser * user)
{
const guint64 uid = accounts_user_get_uid (user);
const char * username = accounts_user_get_user_name (user);
@@ -564,10 +548,55 @@ add_user (UsersServiceDbus *self, AccountsUser * user)
}
static void
+copy_proxy_properties (GDBusProxy * source, GDBusProxy * target)
+{
+ gchar ** keys = g_dbus_proxy_get_cached_property_names (source);
+
+ if (keys != NULL)
+ {
+ int i;
+
+ for (i=0; keys[i]; i++)
+ {
+ const gchar * const key = keys[i];
+ GVariant * value = g_dbus_proxy_get_cached_property (source, key);
+ g_dbus_proxy_set_cached_property (target, key, value);
+ g_variant_unref (value);
+ }
+
+ g_signal_emit_by_name (target, "g-properties-changed", NULL, keys);
+ g_strfreev (keys);
+ }
+}
+
+/**
+ * The AccountsUserProxy's properties aren't being updated automatically
+ * for some reason... the only update we get is the 'changed' signal.
+ * This function is a workaround to update our User object's properties.
+ */
+static void
+on_user_changed (AccountsUser * user, UsersServiceDbus * service)
+{
+ AccountsUser * tmp = accounts_user_proxy_new_for_bus_sync (
+ G_BUS_TYPE_SYSTEM,
+ G_DBUS_PROXY_FLAGS_NONE,
+ "org.freedesktop.Accounts",
+ g_dbus_proxy_get_object_path (G_DBUS_PROXY(user)),
+ NULL,
+ NULL);
+ if (tmp != NULL)
+ {
+ copy_proxy_properties (G_DBUS_PROXY(tmp), G_DBUS_PROXY(user));
+ g_object_unref (tmp);
+ }
+}
+
+static void
add_user_from_object_path (UsersServiceDbus * self,
const char * user_object_path)
{
GError * error = NULL;
+
AccountsUser * user = accounts_user_proxy_new_for_bus_sync (
G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
@@ -583,25 +612,36 @@ add_user_from_object_path (UsersServiceDbus * self,
}
else
{
- g_debug ("%s adding user %s from object path %s", G_STRLOC,
- accounts_user_get_user_name(user),
- user_object_path);
- g_hash_table_insert (self->priv->users, g_strdup(user_object_path), user);
- add_user (self, user);
+ AccountsUser * prev = g_hash_table_lookup (self->priv->users, user_object_path);
+
+ if (prev != NULL) /* we've already got this user... sync its properties */
+ {
+ copy_proxy_properties (G_DBUS_PROXY(user), G_DBUS_PROXY(prev));
+ g_object_unref (user);
+ user = prev;
+ }
+ else /* ooo, we got a new user */
+ {
+ g_signal_connect (user, "changed", G_CALLBACK(on_user_changed), self);
+ g_hash_table_insert (self->priv->users, g_strdup(user_object_path), user);
+ }
+
+ add_user_sessions (self, user);
}
}
-/* calls add_user_from_object_path() on a list of user object paths */
+/* asks org.freedesktop.Accounts for a list of users and
+ * calls add_user_from_object_path() on each of those users */
static void
-init_users (UsersServiceDbus *self)
+update_user_list (UsersServiceDbus *self)
{
g_return_if_fail(IS_USERS_SERVICE_DBUS(self));
GError * error = NULL;
char ** object_paths = NULL;
UsersServiceDbusPrivate * priv = self->priv;
- g_debug ("%s bootstrapping the user list", G_STRLOC);
+ g_debug ("%s updating the user list", G_STRLOC);
accounts_call_list_cached_users_sync (priv->accounts_proxy,
&object_paths,
@@ -622,21 +662,25 @@ init_users (UsersServiceDbus *self)
add_user_from_object_path (self, object_paths[i]);
}
+ emit_user_list_changed (self);
+
g_strfreev (object_paths);
}
- g_debug ("%s finished bootstrapping the user list", G_STRLOC);
+ g_debug ("%s finished updating the user list", G_STRLOC);
}
static void
-on_user_added (Accounts * o G_GNUC_UNUSED,
- const gchar * user_path,
+on_user_added (Accounts * o G_GNUC_UNUSED,
+ const gchar * user_path G_GNUC_UNUSED,
UsersServiceDbus * service)
{
- add_user_from_object_path (service, user_path);
-
- AccountsUser * user = g_hash_table_lookup (service->priv->users, user_path);
- emit_user_added (service, user);
+ /* We see a new user but we might not want to list it --
+ for example, lightdm shows up when we switch to the greeter.
+ So instead of adding the user directly here, let's ask
+ org.freedesktop.Accounts for a fresh list of users
+ because it filters out special cases. */
+ update_user_list (service);
}
static void
@@ -650,7 +694,7 @@ on_user_deleted (Accounts * o G_GNUC_UNUSED,
{
GObject * o = g_object_ref (G_OBJECT(user));
g_hash_table_remove (service->priv->users, user_path);
- emit_user_deleted (service, user);
+ emit_user_list_changed (service);
g_object_unref (o);
}
}