/* The Dbus object on the bus for the indicator. Copyright 2010 Canonical Ltd. Authors: Ted Gould <ted@canonical.com> Conor Curran <conor.curran@canonical.com> This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License version 3, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranties of MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <gio/gio.h> #include "session-dbus.h" #include "shared-names.h" static GVariant * get_users_real_name (SessionDbus * service); static void bus_get_cb (GObject * object, GAsyncResult * res, gpointer user_data); static void bus_method_call (GDBusConnection * connection, const gchar * sender, const gchar * path, const gchar * interface, const gchar * method, GVariant * params, GDBusMethodInvocation * invocation, gpointer user_data); #include "gen-session-dbus.xml.h" typedef struct _SessionDbusPrivate SessionDbusPrivate; struct _SessionDbusPrivate { gchar * name; GDBusConnection * bus; GCancellable * bus_cancel; guint dbus_registration; }; /* GDBus Stuff */ static GDBusNodeInfo * node_info = NULL; static GDBusInterfaceInfo * interface_info = NULL; static GDBusInterfaceVTable interface_table = { method_call: bus_method_call, get_property: NULL, /* No properties */ set_property: NULL /* No properties */ }; #define SESSION_DBUS_GET_PRIVATE(o) \ (G_TYPE_INSTANCE_GET_PRIVATE ((o), SESSION_DBUS_TYPE, SessionDbusPrivate)) static void session_dbus_class_init (SessionDbusClass *klass); static void session_dbus_init (SessionDbus *self); static void session_dbus_dispose (GObject *object); static void session_dbus_finalize (GObject *object); G_DEFINE_TYPE (SessionDbus, session_dbus, G_TYPE_OBJECT); static void session_dbus_class_init (SessionDbusClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); g_type_class_add_private (klass, sizeof (SessionDbusPrivate)); object_class->dispose = session_dbus_dispose; object_class->finalize = session_dbus_finalize; /* Setting up the DBus interfaces */ if (node_info == NULL) { GError * error = NULL; node_info = g_dbus_node_info_new_for_xml(_session_dbus, &error); if (error != NULL) { g_error("Unable to parse Session Service Interface description: %s", error->message); g_error_free(error); } } if (interface_info == NULL) { interface_info = g_dbus_node_info_lookup_interface(node_info, INDICATOR_SESSION_SERVICE_DBUS_IFACE); if (interface_info == NULL) { g_error("Unable to find interface '" INDICATOR_SESSION_SERVICE_DBUS_IFACE "'"); } } return; } static void session_dbus_init (SessionDbus *self) { SessionDbusPrivate * priv = SESSION_DBUS_GET_PRIVATE(self); priv->name = NULL; priv->bus = NULL; priv->bus_cancel = NULL; priv->dbus_registration = 0; priv->bus_cancel = g_cancellable_new(); g_bus_get(G_BUS_TYPE_SESSION, priv->bus_cancel, bus_get_cb, self); return; } static void bus_get_cb (GObject * object, GAsyncResult * res, gpointer user_data) { GError * error = NULL; GDBusConnection * connection = g_bus_get_finish(res, &error); if (error != NULL) { g_error("OMG! Unable to get a connection to DBus: %s", error->message); g_error_free(error); return; } SessionDbusPrivate * priv = SESSION_DBUS_GET_PRIVATE(user_data); g_warn_if_fail(priv->bus == NULL); priv->bus = connection; if (priv->bus_cancel != NULL) { g_object_unref(priv->bus_cancel); priv->bus_cancel = NULL; } /* Now register our object on our new connection */ priv->dbus_registration = g_dbus_connection_register_object(priv->bus, INDICATOR_SESSION_SERVICE_DBUS_OBJECT, interface_info, &interface_table, user_data, NULL, &error); if (error != NULL) { g_error("Unable to register the object to DBus: %s", error->message); g_error_free(error); return; } return; } /* A method has been called from our dbus inteface. Figure out what it is and dispatch it. */ static void bus_method_call (GDBusConnection * connection, const gchar * sender, const gchar * path, const gchar * interface, const gchar * method, GVariant * params, GDBusMethodInvocation * invocation, gpointer user_data) { SessionDbus * service = SESSION_DBUS (user_data); GVariant * retval = NULL; if (g_strcmp0(method, "GetUserRealName") == 0) { retval = get_users_real_name (service); } else { g_warning("Calling method '%s' on the indicator service and it's unknown", method); } g_dbus_method_invocation_return_value(invocation, retval); return; } static void session_dbus_dispose (GObject *object) { SessionDbusPrivate * priv = SESSION_DBUS_GET_PRIVATE(object); if (priv->dbus_registration != 0) { g_dbus_connection_unregister_object(priv->bus, priv->dbus_registration); /* Don't care if it fails, there's nothing we can do */ priv->dbus_registration = 0; } if (priv->bus != NULL) { g_object_unref(priv->bus); priv->bus = NULL; } if (priv->bus_cancel != NULL) { g_cancellable_cancel(priv->bus_cancel); g_object_unref(priv->bus_cancel); priv->bus_cancel = NULL; } G_OBJECT_CLASS (session_dbus_parent_class)->dispose (object); return; } static void session_dbus_finalize (GObject *object) { SessionDbusPrivate * priv = SESSION_DBUS_GET_PRIVATE(object); g_clear_pointer (&priv->name, g_free); G_OBJECT_CLASS (session_dbus_parent_class)->finalize (object); return; } static GVariant * get_users_real_name (SessionDbus * service) { SessionDbusPrivate * priv = SESSION_DBUS_GET_PRIVATE(service); return g_variant_new ("(s)", priv->name ? priv->name : ""); } SessionDbus * session_dbus_new (void) { return SESSION_DBUS(g_object_new(SESSION_DBUS_TYPE, NULL)); } void session_dbus_set_name (SessionDbus * session, const gchar * name) { } void session_dbus_set_users_real_name (SessionDbus * session, const gchar * name) { SessionDbusPrivate * priv = SESSION_DBUS_GET_PRIVATE(session); GError * error = NULL; g_free (priv->name); priv->name = g_strdup(name); if (priv->bus != NULL) { g_dbus_connection_emit_signal (priv->bus, NULL, INDICATOR_SESSION_SERVICE_DBUS_OBJECT, INDICATOR_SESSION_SERVICE_DBUS_IFACE, "UserRealNameUpdated", g_variant_new ("(s)", priv->name, NULL), &error); if (error != NULL) { g_warning("Unable to send UserRealNameUpdated signal: %s", error->message); g_error_free(error); return; } } return; } void session_dbus_restart_required (SessionDbus* session) { SessionDbusPrivate * priv = SESSION_DBUS_GET_PRIVATE(session); GError * error = NULL; if (priv->bus != NULL) { g_debug("About to send RebootRequired signal"); g_dbus_connection_emit_signal (priv->bus, NULL, INDICATOR_SESSION_SERVICE_DBUS_OBJECT, INDICATOR_SESSION_SERVICE_DBUS_IFACE, "RestartRequired", NULL, &error); if (error != NULL) { g_warning("Unable to send reboot-required signal: %s", error->message); g_error_free(error); } } }