This is the GMenu, login1 version of indicator-session.

This resubmission removes the prerequisite branch because the entire diff is contained in this ng-login1 branch.

Approved by PS Jenkins bot.

51 files changed, 5896 insertions, 4909 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100644
index 0000000..a00b6f1
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1,27 @@
+add_subdirectory (backend-dbus)
+
+add_library (libindicatorsessionservice STATIC
+             actions.c
+             actions.h
+             guest.c
+             guest.h
+             service.c
+             service.h
+             users.c
+             users.h)
+include_directories(${SERVICE_INCLUDE_DIRS})
+link_directories(${SERVICE_LIBRARY_DIRS})
+
+set (SERVICE_EXEC "indicator-session-service")
+set_property (SOURCE main.c
+              APPEND PROPERTY COMPILE_DEFINITIONS
+              GETTEXT_PACKAGE="${GETTEXT_PACKAGE}"
+              GNOMELOCALEDIR="@CMAKE_INSTALL_FULL_LOCALEDIR@")
+add_executable (${SERVICE_EXEC} main.c)
+target_link_libraries (${SERVICE_EXEC} libindicatorsessionservice backenddbus ${SERVICE_LIBRARIES} ${GCOV_LIBS})
+install (TARGETS ${SERVICE_EXEC} RUNTIME DESTINATION ${CMAKE_INSTALL_FULL_PKGLIBEXECDIR})
+
+# common properties
+set_property (TARGET libindicatorsessionservice ${SERVICE_EXEC}
+              APPEND_STRING PROPERTY COMPILE_FLAGS
+              " -g ${CC_WARNING_ARGS} ${GCOV_FLAGS}")
diff --git a/src/Makefile.am b/src/Makefile.am
deleted file mode 100644
index 1ab9b9b..0000000
--- a/src/Makefile.am
+++ /dev/null
@@ -1,193 +0,0 @@
-CLEANFILES =
-EXTRA_DIST =
-
-libexec_PROGRAMS = \
-	indicator-session-service
-
-if BUILD_GTKLOGOUTHELPER
-libexec_PROGRAMS += \
-	gtk-logout-helper
-endif
-
-###################
-# Indicator Stuff
-###################
-
-CLEANFILES += .libs/*.gcda .libs/*.gcno *.gcda *.gcno
-
-sessionlibdir = $(INDICATORDIR)
-sessionlib_LTLIBRARIES = libsession.la
-libsession_la_SOURCES = \
-	indicator-session.c \
-	gen-session-dbus.xml.h \
-	shared-names.h \
-	user-widget.c \
-	user-widget.h
-libsession_la_CFLAGS = \
-	$(APPLET_CFLAGS) \
-	$(COVERAGE_CFLAGS) \
-	-Wall -Wunused \
-	-DG_LOG_DOMAIN=\"Indicator-Session\"
-libsession_la_LIBADD = $(APPLET_LIBS)
-libsession_la_LDFLAGS = \
-	$(COVERAGE_LDFLAGS) \
-	-module -avoid-version
-
-dbus_display_manager_sources = \
-	dbus-display-manager.c \
-	dbus-display-manager.h
-
-$(dbus_display_manager_sources): display-manager.xml
-	$(AM_V_GEN) gdbus-codegen \
-	    --interface-prefix org.freedesktop \
-	    --generate-c-code dbus-display-manager \
-	    $^
-
-dbus_login1_manager_sources = \
-	dbus-login1-manager.c \
-	dbus-login1-manager.h
-
-$(dbus_login1_manager_sources):	org.freedesktop.login1.Manager.xml
-	$(AM_V_GEN) gdbus-codegen \
-	    --interface-prefix org.freedesktop \
-	    --generate-c-code dbus-login1-manager \
-	    $^
-
-dbus_login1_session_sources = \
-	dbus-login1-session.c \
-	dbus-login1-session.h
-
-$(dbus_login1_session_sources):	org.freedesktop.login1.Session.xml
-	$(AM_V_GEN) gdbus-codegen \
-	    --interface-prefix org.freedesktop \
-	    --generate-c-code dbus-login1-session \
-	    $^
-
-dbus_login1_user_sources = \
-	dbus-login1-user.c \
-	dbus-login1-user.h
-
-$(dbus_login1_user_sources):	org.freedesktop.login1.User.xml
-	$(AM_V_GEN) gdbus-codegen \
-	    --interface-prefix org.freedesktop \
-	    --generate-c-code dbus-login1-user \
-	    $^
-
-dbus_accounts_sources = \
-	dbus-accounts.c \
-	dbus-accounts.h
-
-$(dbus_accounts_sources): org.freedesktop.Accounts.xml
-	$(AM_V_GEN) gdbus-codegen \
-	    --interface-prefix org.freedesktop \
-	    --generate-c-code dbus-accounts \
-	    $^
-	
-dbus_user_sources = \
-	dbus-user.c \
-	dbus-user.h
-
-$(dbus_user_sources): org.freedesktop.Accounts.User.xml
-	$(AM_V_GEN) gdbus-codegen \
-	    --interface-prefix org.freedesktop \
-	    --generate-c-code dbus-user \
-	    $^
-
-gen-%.xml.c: %.xml
-	@echo "Building $@ from $<"
-	@echo "const char * _$(subst -,_,$(subst .,_,$(basename $(notdir $<)))) = " > $@
-	@sed -e "s:\":\\\\\":g" -e s:^:\": -e s:\$$:\\\\n\": $< >> $@
-	@echo ";" >> $@
-
-gen-%.xml.h: %.xml
-	@echo "Building $@ from $<"
-	@echo "extern const char * _$(subst -,_,$(subst .,_,$(basename $(notdir $<))));" > $@
-
-#################
-# Session Stuff
-#################
-
-indicator_session_service_SOURCES = \
-	$(dbus_accounts_sources) \
-	$(dbus_login1_manager_sources) \
-	$(dbus_login1_user_sources) \
-	$(dbus_login1_session_sources) \
-	$(dbus_display_manager_sources) \
-	$(dbus_user_sources) \
-	session-service.c \
-	session-dbus.c \
-	session-dbus.h \
-	gen-session-dbus.xml.c \
-	users-service-dbus.h \
-	users-service-dbus.c \
-	session-menu-mgr.h \
-	session-menu-mgr.c \
-	online-accounts-mgr.c \
-	online-accounts-mgr.h
-
-indicator_session_service_CFLAGS = \
-	$(SESSIONSERVICE_CFLAGS) \
-	$(GCONF_CFLAGS) \
-	-DLIBEXECDIR=\"$(libexecdir)\" \
-	-Wall \
-	-DG_LOG_DOMAIN=\"Indicator-Session\" \
-	$(COVERAGE_CFLAGS)
-indicator_session_service_LDADD = \
-	$(SESSIONSERVICE_LIBS) \
-	$(GCONF_LIBS)
-indicator_session_service_LDFLAGS = \
-	$(COVERAGE_LDFLAGS)
-
-#################
-# GTK Logout Stuff
-#################
-
-if BUILD_GTKLOGOUTHELPER
-gtk_logout_helper_SOURCES = \
-	$(dbus_login1_manager_sources) \
-	gtk-logout-helper.c \
-	dialog.c \
-	dialog.h
-
-gtk_logout_helper_CFLAGS = \
-	$(SESSIONSERVICE_CFLAGS) \
-	$(GTKLOGOUTHELPER_CFLAGS) \
-	$(GCONF_CFLAGS) \
-	$(COVERAGE_CFLAGS) \
-	-Wall \
-	-DINDICATOR_ICONS_DIR="\"$(INDICATORICONSDIR)\""
-
-gtk_logout_helper_LDADD = \
-	$(SESSIONSERVICE_LIBS) \
-	$(GTKLOGOUTHELPER_LIBS) \
-	$(GCONF_LIBS)
-
-gtk_logout_helper_LDFLAGS = \
-	$(COVERAGE_LDFLAGS)
-endif
-
-
-###############
-# Other Stuff
-###############
-
-BUILT_SOURCES = \
-	$(dbus_accounts_sources) \
-	$(dbus_login1_manager_sources) \
-	$(dbus_login1_user_sources) \
-	$(dbus_login1_session_sources) \
-	$(dbus_display_manager_sources) \
-	$(dbus_user_sources) \
-	gen-session-dbus.xml.c \
-	gen-session-dbus.xml.h
-
-EXTRA_DIST += \
-	display-manager.xml \
-	org.freedesktop.Accounts.User.xml \
-	org.freedesktop.Accounts.xml \
-	org.freedesktop.login1.Manager.xml \
-	org.freedesktop.login1.Session.xml \
-	org.freedesktop.login1.User.xml \
-	session-dbus.xml
-
-CLEANFILES += $(BUILT_SOURCES)
diff --git a/src/actions.c b/src/actions.c
new file mode 100644
index 0000000..563f626
--- /dev/null
+++ b/src/actions.c
@@ -0,0 +1,417 @@
+
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#include "actions.h"
+
+/***
+****  GObject Boilerplate
+***/
+
+G_DEFINE_TYPE (IndicatorSessionActions, indicator_session_actions, G_TYPE_OBJECT)
+
+enum
+{
+  PROP_0,
+  PROP_CAN_SWITCH,
+  PROP_CAN_HIBERNATE,
+  PROP_CAN_SUSPEND,
+  PROP_CAN_LOCK,
+  PROP_CAN_LOGOUT,
+  PROP_CAN_REBOOT,
+  PROP_CAN_PROMPT,
+  PROP_HAS_ONLINE_ACCOUNT_ERROR,
+  PROP_LAST
+};
+
+static GParamSpec *properties[PROP_LAST];
+
+static void
+my_get_property (GObject     * o,
+                 guint         property_id,
+                 GValue      * value,
+                 GParamSpec  * pspec)
+{
+  IndicatorSessionActions * self = INDICATOR_SESSION_ACTIONS (o);
+
+  switch (property_id)
+    {
+      case PROP_CAN_SWITCH:
+        g_value_set_boolean (value, indicator_session_actions_can_switch (self));
+        break;
+
+      case PROP_CAN_HIBERNATE:
+        g_value_set_boolean (value, indicator_session_actions_can_hibernate (self));
+        break;
+
+      case PROP_CAN_SUSPEND:
+        g_value_set_boolean (value, indicator_session_actions_can_suspend (self));
+        break;
+
+      case PROP_CAN_LOCK:
+        g_value_set_boolean (value, indicator_session_actions_can_lock (self));
+        break;
+
+      case PROP_CAN_LOGOUT:
+        g_value_set_boolean (value, indicator_session_actions_can_logout (self));
+        break;
+
+      case PROP_CAN_REBOOT:
+        g_value_set_boolean (value, indicator_session_actions_can_reboot (self));
+        break;
+
+      case PROP_CAN_PROMPT:
+        g_value_set_boolean (value, indicator_session_actions_can_prompt (self));
+        break;
+
+      case PROP_HAS_ONLINE_ACCOUNT_ERROR:
+        g_value_set_boolean (value, indicator_session_actions_has_online_account_error (self));
+        break;
+
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (o, property_id, pspec);
+    }
+}
+
+static void
+/* cppcheck-suppress unusedFunction */
+indicator_session_actions_class_init (IndicatorSessionActionsClass * klass)
+{
+  GObjectClass * object_class;
+  const GParamFlags flags = G_PARAM_READABLE | G_PARAM_STATIC_STRINGS;
+
+  object_class = G_OBJECT_CLASS (klass);
+  object_class->get_property = my_get_property;
+
+  klass->can_lock = NULL;
+  klass->can_logout = NULL;
+  klass->can_reboot = NULL;
+  klass->can_switch = NULL;
+  klass->can_suspend = NULL;
+  klass->can_hibernate = NULL;
+  klass->has_online_account_error = NULL;
+  klass->logout = NULL;
+  klass->suspend = NULL;
+  klass->hibernate = NULL;
+  klass->reboot = NULL;
+  klass->power_off = NULL;
+  klass->switch_to_screensaver = NULL;
+  klass->switch_to_greeter = NULL;
+  klass->switch_to_guest = NULL;
+  klass->switch_to_username = NULL;
+
+  /* properties */
+
+  properties[PROP_0] = NULL;
+
+  properties[PROP_CAN_SWITCH] =
+    g_param_spec_boolean (INDICATOR_SESSION_ACTIONS_PROP_CAN_SWITCH,
+                          "Can Switch Sessions",
+                          "Whether or not the system services allow session switching",
+                          TRUE, flags);
+
+  properties[PROP_CAN_HIBERNATE] =
+    g_param_spec_boolean (INDICATOR_SESSION_ACTIONS_PROP_CAN_HIBERNATE,
+                          "Can Hibernate",
+                          "Whether or not the system services allow the user to hibernate",
+                          TRUE, flags);
+
+  properties[PROP_CAN_SUSPEND] =
+    g_param_spec_boolean (INDICATOR_SESSION_ACTIONS_PROP_CAN_SUSPEND,
+                          "Can Suspend",
+                          "Whether or not the system services allow the user to suspend",
+                          TRUE, flags);
+
+  properties[PROP_CAN_LOCK] =
+    g_param_spec_boolean (INDICATOR_SESSION_ACTIONS_PROP_CAN_LOCK,
+                          "Can Lock",
+                          "Whether or not the system services allow the user to lock the screen",
+                          TRUE, flags);
+
+  properties[PROP_CAN_LOGOUT] =
+    g_param_spec_boolean (INDICATOR_SESSION_ACTIONS_PROP_CAN_LOGOUT,
+                          "Can Logout",
+                          "Whether or not the system services allow the user to logout",
+                          TRUE, flags);
+
+  properties[PROP_CAN_REBOOT] =
+    g_param_spec_boolean (INDICATOR_SESSION_ACTIONS_PROP_CAN_REBOOT,
+                          "Can Reboot",
+                          "Whether or not the system services allow the user to reboot",
+                          TRUE, flags);
+
+  properties[PROP_CAN_PROMPT] =
+    g_param_spec_boolean (INDICATOR_SESSION_ACTIONS_PROP_CAN_PROMPT,
+                          "Can Show End Session Dialog",
+                          "Whether or not we can show an End Session dialog",
+                          TRUE, flags);
+
+  properties[PROP_HAS_ONLINE_ACCOUNT_ERROR] =
+    g_param_spec_boolean (INDICATOR_SESSION_ACTIONS_PROP_HAS_ONLINE_ACCOUNT_ERROR,
+                          "Has Online Account Error",
+                          "Whether or not an online account setting requires attention from the user",
+                          FALSE, flags);
+
+  g_object_class_install_properties (object_class, PROP_LAST, properties);
+}
+
+static void
+/* cppcheck-suppress unusedFunction */
+indicator_session_actions_init (IndicatorSessionActions * self G_GNUC_UNUSED)
+{
+}
+
+/***
+**** 
+***/
+
+gboolean
+indicator_session_actions_can_lock (IndicatorSessionActions * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_ACTIONS (self), FALSE);
+
+  return INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->can_lock (self);
+}
+
+gboolean
+indicator_session_actions_can_logout (IndicatorSessionActions * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_ACTIONS (self), FALSE);
+
+  return INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->can_logout (self);
+}
+
+gboolean
+indicator_session_actions_can_reboot (IndicatorSessionActions * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_ACTIONS (self), FALSE);
+
+  return INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->can_reboot (self);
+}
+
+gboolean
+indicator_session_actions_can_switch (IndicatorSessionActions * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_ACTIONS (self), FALSE);
+
+  return INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->can_switch (self);
+}
+
+gboolean
+indicator_session_actions_can_suspend (IndicatorSessionActions * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_ACTIONS (self), FALSE);
+
+  return INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->can_suspend (self);
+}
+
+gboolean
+indicator_session_actions_can_hibernate (IndicatorSessionActions * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_ACTIONS (self), FALSE);
+
+  return INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->can_hibernate (self);
+}
+
+gboolean
+indicator_session_actions_can_prompt (IndicatorSessionActions * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_ACTIONS (self), FALSE);
+
+  return INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->can_prompt (self);
+}
+
+gboolean
+indicator_session_actions_has_online_account_error (IndicatorSessionActions * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_ACTIONS (self), FALSE);
+
+  return INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->has_online_account_error (self);
+}
+
+/***
+****
+***/
+
+void
+indicator_session_actions_online_accounts (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->online_accounts (self);
+}
+
+void
+indicator_session_actions_settings (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->settings (self);
+}
+
+void
+indicator_session_actions_logout (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->logout (self);
+}
+
+void
+indicator_session_actions_power_off (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->power_off (self);
+}
+
+void
+indicator_session_actions_help (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->help (self);
+}
+
+void
+indicator_session_actions_about (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->about (self);
+}
+
+void
+indicator_session_actions_reboot (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->reboot (self);
+}
+
+void
+indicator_session_actions_suspend (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->suspend (self);
+}
+
+void
+indicator_session_actions_hibernate (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->hibernate (self);
+}
+
+void
+indicator_session_actions_switch_to_screensaver (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->switch_to_screensaver (self);
+}
+
+void
+indicator_session_actions_switch_to_greeter (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->switch_to_greeter (self);
+}
+
+void
+indicator_session_actions_switch_to_guest (IndicatorSessionActions * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->switch_to_guest (self);
+}
+
+void
+indicator_session_actions_switch_to_username (IndicatorSessionActions * self,
+                                              const gchar             * username)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  INDICATOR_SESSION_ACTIONS_GET_CLASS (self)->switch_to_username (self, username);
+}
+
+/***
+****
+***/
+
+static void
+notify_func (IndicatorSessionActions * self, int prop)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS (self));
+
+  g_debug ("%s %s emitting '%s' prop notify", G_STRLOC, G_STRFUNC, properties[prop]->name);
+
+  g_object_notify_by_pspec (G_OBJECT(self), properties[prop]);
+}
+
+void
+indicator_session_actions_notify_can_lock (IndicatorSessionActions * self)
+{
+  notify_func (self, PROP_CAN_LOCK);
+}
+
+void
+indicator_session_actions_notify_can_logout (IndicatorSessionActions * self)
+{
+  notify_func (self, PROP_CAN_LOGOUT);
+}
+
+void
+indicator_session_actions_notify_can_reboot (IndicatorSessionActions * self)
+{
+  notify_func (self, PROP_CAN_REBOOT);
+}
+
+void
+indicator_session_actions_notify_can_switch (IndicatorSessionActions * self)
+{
+  notify_func (self, PROP_CAN_SWITCH);
+}
+
+void
+indicator_session_actions_notify_can_suspend (IndicatorSessionActions * self)
+{
+  notify_func (self, PROP_CAN_SUSPEND);
+}
+
+void
+indicator_session_actions_notify_can_hibernate (IndicatorSessionActions * self)
+{
+  notify_func (self, PROP_CAN_HIBERNATE);
+}
+
+void
+indicator_session_actions_notify_can_prompt (IndicatorSessionActions * self)
+{
+  notify_func (self, PROP_CAN_PROMPT);
+}
+
+void
+indicator_session_actions_notify_has_online_account_error (IndicatorSessionActions * self)
+{
+  notify_func (self, PROP_HAS_ONLINE_ACCOUNT_ERROR);
+}
diff --git a/src/actions.h b/src/actions.h
new file mode 100644
index 0000000..e31685e
--- /dev/null
+++ b/src/actions.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#ifndef __INDICATOR_SESSION_ACTIONS_H__
+#define __INDICATOR_SESSION_ACTIONS_H__
+
+#include <glib.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+/* standard GObject macros */
+#define INDICATOR_TYPE_SESSION_ACTIONS          (indicator_session_actions_get_type())
+#define INDICATOR_SESSION_ACTIONS(o)            (G_TYPE_CHECK_INSTANCE_CAST ((o), INDICATOR_TYPE_SESSION_ACTIONS, IndicatorSessionActions))
+#define INDICATOR_SESSION_ACTIONS_GET_CLASS(o)  (G_TYPE_INSTANCE_GET_CLASS ((o), INDICATOR_TYPE_SESSION_ACTIONS, IndicatorSessionActionsClass))
+#define INDICATOR_SESSION_ACTIONS_CLASS(k)      (G_TYPE_CHECK_CLASS_CAST ((k), INDICATOR_TYPE_SESSION_ACTIONS, IndicatorSessionActionsClass))
+#define INDICATOR_IS_SESSION_ACTIONS(o)         (G_TYPE_CHECK_INSTANCE_TYPE ((o), INDICATOR_TYPE_SESSION_ACTIONS))
+
+typedef struct _IndicatorSessionActions      IndicatorSessionActions;
+typedef struct _IndicatorSessionActionsClass IndicatorSessionActionsClass;
+
+/* property keys */
+#define INDICATOR_SESSION_ACTIONS_PROP_CAN_LOCK "can-lock"
+#define INDICATOR_SESSION_ACTIONS_PROP_CAN_LOGOUT "can-logout"
+#define INDICATOR_SESSION_ACTIONS_PROP_CAN_REBOOT "can-reboot"
+#define INDICATOR_SESSION_ACTIONS_PROP_CAN_SWITCH "can-switch"
+#define INDICATOR_SESSION_ACTIONS_PROP_CAN_SUSPEND "can-suspend"
+#define INDICATOR_SESSION_ACTIONS_PROP_CAN_HIBERNATE "can-hibernate"
+#define INDICATOR_SESSION_ACTIONS_PROP_CAN_PROMPT "can-show-end-session-dialog"
+#define INDICATOR_SESSION_ACTIONS_PROP_HAS_ONLINE_ACCOUNT_ERROR "has-online-account-error"
+
+/**
+ * A base class for invoking and getting state information on system actions.
+ * Use backend.h's get_backend() to get an instance.
+ */
+struct _IndicatorSessionActions
+{
+  /*< private >*/
+  GObject parent;
+};
+
+struct _IndicatorSessionActionsClass
+{
+  GObjectClass parent_class;
+
+  /* pure virtual functions */
+
+  gboolean (*can_lock)                 (IndicatorSessionActions * self);
+  gboolean (*can_logout)               (IndicatorSessionActions * self);
+  gboolean (*can_reboot)               (IndicatorSessionActions * self);
+  gboolean (*can_switch)               (IndicatorSessionActions * self);
+  gboolean (*can_suspend)              (IndicatorSessionActions * self);
+  gboolean (*can_hibernate)            (IndicatorSessionActions * self);
+  gboolean (*can_prompt)               (IndicatorSessionActions * self);
+  gboolean (*has_online_account_error) (IndicatorSessionActions * self);
+
+  void  (*suspend)                     (IndicatorSessionActions * self);
+  void  (*hibernate)                   (IndicatorSessionActions * self);
+  void  (*logout)                      (IndicatorSessionActions * self);
+  void  (*reboot)                      (IndicatorSessionActions * self);
+  void  (*power_off)                   (IndicatorSessionActions * self);
+  void  (*help)                        (IndicatorSessionActions * self);
+  void  (*about)                       (IndicatorSessionActions * self);
+  void  (*settings)                    (IndicatorSessionActions * self);
+  void  (*online_accounts)             (IndicatorSessionActions * self);
+
+  void  (*switch_to_greeter)           (IndicatorSessionActions * self);
+  void  (*switch_to_screensaver)       (IndicatorSessionActions * self);
+  void  (*switch_to_guest)             (IndicatorSessionActions * self);
+  void  (*switch_to_username)          (IndicatorSessionActions * self,
+                                        const gchar             * username);
+};
+
+/***
+****
+***/
+
+GType indicator_session_actions_get_type (void);
+
+gboolean indicator_session_actions_can_lock                    (IndicatorSessionActions * self);
+gboolean indicator_session_actions_can_logout                  (IndicatorSessionActions * self);
+gboolean indicator_session_actions_can_reboot                  (IndicatorSessionActions * self);
+gboolean indicator_session_actions_can_switch                  (IndicatorSessionActions * self);
+gboolean indicator_session_actions_can_suspend                 (IndicatorSessionActions * self);
+gboolean indicator_session_actions_can_hibernate               (IndicatorSessionActions * self);
+gboolean indicator_session_actions_can_prompt                  (IndicatorSessionActions * self);
+gboolean indicator_session_actions_has_online_account_error    (IndicatorSessionActions * self);
+
+
+void indicator_session_actions_notify_can_lock                 (IndicatorSessionActions * self);
+void indicator_session_actions_notify_can_logout               (IndicatorSessionActions * self);
+void indicator_session_actions_notify_can_reboot               (IndicatorSessionActions * self);
+void indicator_session_actions_notify_can_switch               (IndicatorSessionActions * self);
+void indicator_session_actions_notify_can_suspend              (IndicatorSessionActions * self);
+void indicator_session_actions_notify_can_hibernate            (IndicatorSessionActions * self);
+void indicator_session_actions_notify_can_prompt               (IndicatorSessionActions * self);
+void indicator_session_actions_notify_has_online_account_error (IndicatorSessionActions * self);
+
+void indicator_session_actions_lock                            (IndicatorSessionActions * self);
+void indicator_session_actions_suspend                         (IndicatorSessionActions * self);
+void indicator_session_actions_hibernate                       (IndicatorSessionActions * self);
+void indicator_session_actions_logout                          (IndicatorSessionActions * self);
+void indicator_session_actions_reboot                          (IndicatorSessionActions * self);
+void indicator_session_actions_power_off                       (IndicatorSessionActions * self);
+
+void indicator_session_actions_help                            (IndicatorSessionActions * self);
+void indicator_session_actions_about                           (IndicatorSessionActions * self);
+void indicator_session_actions_settings                        (IndicatorSessionActions * self);
+void indicator_session_actions_online_accounts                 (IndicatorSessionActions * self);
+
+void indicator_session_actions_switch_to_screensaver           (IndicatorSessionActions * self);
+void indicator_session_actions_switch_to_greeter               (IndicatorSessionActions * self);
+void indicator_session_actions_switch_to_guest                 (IndicatorSessionActions * self);
+void indicator_session_actions_switch_to_username              (IndicatorSessionActions * self,
+                                                               const gchar              * username);
+
+G_END_DECLS
+
+#endif /* __INDICATOR_SESSION_ACTIONS_H__ */
diff --git a/src/backend-dbus/CMakeLists.txt b/src/backend-dbus/CMakeLists.txt
new file mode 100644
index 0000000..fa41534
--- /dev/null
+++ b/src/backend-dbus/CMakeLists.txt
@@ -0,0 +1,57 @@
+include (GdbusCodegen)
+
+set(BACKEND_GENERATED_SOURCES
+)
+
+add_gdbus_codegen (BACKEND_GENERATED_SOURCES dbus-display-manager
+                   org.freedesktop
+                   ${CMAKE_CURRENT_SOURCE_DIR}/org.freedesktop.DisplayManager.Seat.xml)
+
+add_gdbus_codegen (BACKEND_GENERATED_SOURCES dbus-webcredentials
+                   com.canonical.indicators
+                   ${CMAKE_CURRENT_SOURCE_DIR}/com.canonical.indicators.webcredentials.xml)
+
+add_gdbus_codegen (BACKEND_GENERATED_SOURCES dbus-accounts
+                   org.freedesktop
+                   ${CMAKE_CURRENT_SOURCE_DIR}/org.freedesktop.Accounts.xml)
+                   
+add_gdbus_codegen (BACKEND_GENERATED_SOURCES dbus-user
+                   org.freedesktop
+                   ${CMAKE_CURRENT_SOURCE_DIR}/org.freedesktop.Accounts.User.xml)
+
+add_gdbus_codegen (BACKEND_GENERATED_SOURCES dbus-login1-manager
+                   org.freedesktop
+                   ${CMAKE_CURRENT_SOURCE_DIR}/org.freedesktop.login1.Manager.xml)
+
+add_gdbus_codegen (BACKEND_GENERATED_SOURCES dbus-login1-seat
+                   org.freedesktop
+                   ${CMAKE_CURRENT_SOURCE_DIR}/org.freedesktop.login1.Seat.xml)
+
+add_gdbus_codegen (BACKEND_GENERATED_SOURCES dbus-login1-user
+                   org.freedesktop
+                   ${CMAKE_CURRENT_SOURCE_DIR}/org.freedesktop.login1.User.xml)
+
+add_gdbus_codegen (BACKEND_GENERATED_SOURCES gnome-screen-saver
+                   org
+                   ${CMAKE_CURRENT_SOURCE_DIR}/org.gnome.ScreenSaver.xml)
+
+add_gdbus_codegen (BACKEND_GENERATED_SOURCES gnome-session-manager
+                   org
+                   ${CMAKE_CURRENT_SOURCE_DIR}/org.gnome.SessionManager.xml)
+
+add_gdbus_codegen (BACKEND_GENERATED_SOURCES dbus-end-session-dialog
+                   org.gnome.SessionManager
+                   ${CMAKE_CURRENT_SOURCE_DIR}/org.gnome.SessionManager.EndSessionDialog.xml)
+
+set (SOURCES actions.c guest.c users.c backend-dbus.c utils.c)
+
+# add warnings/coverage info on handwritten files
+# but not the autogenerated ones...
+set_source_files_properties (${SOURCES}
+                             PROPERTIES COMPILE_FLAGS " -g ${CC_WARNING_ARGS} ${GCOV_FLAGS}")
+
+# add the bin dir to our include path s.t. our code can find the autogenerated header files
+include_directories (${CMAKE_CURRENT_BINARY_DIR} ${SERVICE_INCLUDE_DIRS})
+
+add_library (backenddbus STATIC ${SOURCES} ${BACKEND_GENERATED_SOURCES})
+
diff --git a/src/backend-dbus/actions.c b/src/backend-dbus/actions.c
new file mode 100644
index 0000000..9030ca7
--- /dev/null
+++ b/src/backend-dbus/actions.c
@@ -0,0 +1,970 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include "dbus-end-session-dialog.h"
+#include "dbus-login1-manager.h"
+#include "dbus-webcredentials.h"
+#include "gnome-screen-saver.h"
+#include "gnome-session-manager.h"
+
+#include "actions.h"
+
+enum
+{
+  END_SESSION_TYPE_LOGOUT = 0,
+  END_SESSION_TYPE_SHUTDOWN,
+  END_SESSION_TYPE_REBOOT
+};
+
+struct _IndicatorSessionActionsDbusPriv
+{
+  GCancellable * cancellable;
+
+  GSettings * lockdown_settings;
+  GSettings * indicator_settings;
+  GnomeScreenSaver * screen_saver;
+  GnomeSessionManager * session_manager;
+  Login1Manager * login1_manager;
+  GCancellable * login1_manager_cancellable;
+  Login1Seat * login1_seat;
+  DisplayManagerSeat * dm_seat;
+  GCancellable * dm_seat_cancellable;
+  Webcredentials * webcredentials;
+  EndSessionDialog * end_session_dialog;
+  char * zenity;
+
+  gboolean can_suspend;
+  gboolean can_hibernate;
+  gboolean seat_allows_activation;
+};
+
+typedef IndicatorSessionActionsDbusPriv priv_t;
+
+G_DEFINE_TYPE (IndicatorSessionActionsDbus,
+               indicator_session_actions_dbus,
+               INDICATOR_TYPE_SESSION_ACTIONS)
+
+/***
+****
+***/
+
+static void
+log_and_clear_error (GError ** err, const char * loc, const char * func)
+{
+  if (*err)
+    {
+      if (!g_error_matches (*err, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning ("%s %s: %s", loc, func, (*err)->message);
+
+      g_clear_error (err);
+    }
+}
+
+/***
+****
+***/
+
+typedef enum
+{
+  PROMPT_NONE,
+  PROMPT_WITH_ZENITY,
+  PROMPT_WITH_UNITY
+}
+prompt_status_t;
+
+static prompt_status_t
+get_prompt_status (IndicatorSessionActionsDbus * self)
+{
+  prompt_status_t prompt = PROMPT_NONE;
+  const priv_t * p = self->priv;
+
+  if (!g_settings_get_boolean (p->indicator_settings, "suppress-logout-restart-shutdown"))
+    {
+      /* can we use the Unity prompt? */
+      if ((prompt == PROMPT_NONE) && p && p->end_session_dialog)
+        {
+          GDBusProxy * proxy = G_DBUS_PROXY (p->end_session_dialog);
+          char * name = g_dbus_proxy_get_name_owner (proxy);
+          if (name != NULL)
+            prompt = PROMPT_WITH_UNITY;
+          g_free (name);
+        }
+
+      /* can we use zenity? */
+      if ((prompt == PROMPT_NONE) && p && p->zenity)
+        prompt = PROMPT_WITH_ZENITY;
+    }
+
+  return prompt;
+}
+
+/***
+****
+***/
+
+static void
+on_seat_notify_multi_session (IndicatorSessionActionsDbus * self)
+{
+  priv_t * p = self->priv;
+  gboolean b;
+
+  b = login1_seat_get_can_multi_session (p->login1_seat);
+
+  if (p->seat_allows_activation != b)
+    {
+      p->seat_allows_activation = b;
+
+      indicator_session_actions_notify_can_switch (INDICATOR_SESSION_ACTIONS(self));
+    }
+}
+
+static void
+set_login1_seat (IndicatorSessionActionsDbus * self, Login1Seat * seat)
+{
+  priv_t * p = self->priv;
+
+  if (p->login1_seat != NULL)
+    {
+      g_signal_handlers_disconnect_by_data (p->login1_seat, self);
+      g_clear_object (&p->login1_seat);
+    }
+
+  if (seat != NULL)
+    {
+      p->login1_seat = g_object_ref (seat);
+
+      g_signal_connect_swapped (seat, "notify::can-multi-session",
+                                G_CALLBACK(on_seat_notify_multi_session), self);
+    }
+}
+
+/***
+****
+***/
+
+static void
+set_dm_seat (IndicatorSessionActionsDbus * self, DisplayManagerSeat * seat)
+{
+  priv_t * p = self->priv;
+
+  if (p->dm_seat != NULL)
+    {
+      g_cancellable_cancel (p->dm_seat_cancellable);
+      g_clear_object (&p->dm_seat);
+      g_clear_object (&p->dm_seat);
+    }
+
+  if (seat != NULL)
+    {
+      p->dm_seat = g_object_ref (seat);
+      p->dm_seat_cancellable = g_cancellable_new ();
+    }
+}
+
+static void
+on_screensaver_proxy_ready (GObject * o G_GNUC_UNUSED, GAsyncResult * res, gpointer gself)
+{
+  GError * err;
+  GnomeScreenSaver * ss;
+
+  err = NULL;
+  ss = gnome_screen_saver_proxy_new_for_bus_finish (res, &err);
+  if (err == NULL)
+    {
+      INDICATOR_SESSION_ACTIONS_DBUS(gself)->priv->screen_saver = ss;
+    }
+
+  log_and_clear_error (&err, G_STRLOC, G_STRFUNC);
+}
+
+static void
+on_can_suspend_ready (GObject * o, GAsyncResult * res, gpointer gself)
+{
+  char * str;
+  GError * err;
+
+  str = NULL;
+  err = NULL;
+  login1_manager_call_can_suspend_finish (LOGIN1_MANAGER(o), &str, res, &err);
+  if (err == NULL)
+    {
+      priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(gself)->priv;
+
+      const gboolean b = !g_strcmp0 (str, "yes");
+
+      if (p->can_suspend != b)
+        {
+          p->can_suspend = b;
+          indicator_session_actions_notify_can_suspend (gself);
+        }
+
+      g_free (str);
+    }
+
+  log_and_clear_error (&err, G_STRLOC, G_STRFUNC);
+}
+
+static void
+on_can_hibernate_ready (GObject * o, GAsyncResult * res, gpointer gself)
+{
+  gchar * str;
+  GError * err;
+
+  str = NULL;
+  err = NULL;
+  login1_manager_call_can_hibernate_finish (LOGIN1_MANAGER(o), &str, res, &err);
+  if (err == NULL)
+    {
+      priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(gself)->priv;
+
+      const gboolean b = !g_strcmp0 (str, "yes");
+
+      if (p->can_hibernate != b)
+        {
+          p->can_hibernate = b;
+          indicator_session_actions_notify_can_hibernate (gself);
+        }
+
+      g_free (str);
+    }
+
+  log_and_clear_error (&err, G_STRLOC, G_STRFUNC);
+}
+
+static void
+set_login1_manager (IndicatorSessionActionsDbus * self,
+                    Login1Manager               * login1_manager)
+{
+  priv_t * p = self->priv;
+
+  if (p->login1_manager != NULL)
+    {
+      g_cancellable_cancel (p->login1_manager_cancellable);
+      g_clear_object (&p->login1_manager_cancellable);
+      g_clear_object (&p->login1_manager);
+    }
+
+  if (login1_manager != NULL)
+    {
+      p->login1_manager_cancellable = g_cancellable_new ();
+
+      p->login1_manager = g_object_ref (login1_manager);
+
+      login1_manager_call_can_suspend (p->login1_manager,
+                                       p->login1_manager_cancellable,
+                                       on_can_suspend_ready,
+                                       self);
+
+      login1_manager_call_can_hibernate (p->login1_manager,
+                                         p->login1_manager_cancellable,
+                                         on_can_hibernate_ready,
+                                         self);
+    }
+}
+
+static void
+on_session_manager_proxy_ready (GObject * o G_GNUC_UNUSED, GAsyncResult * res, gpointer gself)
+{
+  GError * err;
+  GnomeSessionManager * sm;
+
+  err = NULL;
+  sm = gnome_session_manager_proxy_new_for_bus_finish (res, &err);
+  if (err == NULL)
+    {
+      INDICATOR_SESSION_ACTIONS_DBUS(gself)->priv->session_manager = sm;
+    }
+
+  log_and_clear_error (&err, G_STRLOC, G_STRFUNC);
+}
+
+static void
+on_webcredentials_proxy_ready (GObject * o G_GNUC_UNUSED, GAsyncResult * res, gpointer gself)
+{
+  GError * err;
+  Webcredentials * webcredentials;
+
+  err = NULL;
+  webcredentials = webcredentials_proxy_new_for_bus_finish (res, &err);
+  if (err == NULL)
+    {
+      INDICATOR_SESSION_ACTIONS_DBUS(gself)->priv->webcredentials = webcredentials;
+
+      g_signal_connect_swapped (webcredentials, "notify::error-status",
+                                G_CALLBACK(indicator_session_actions_notify_has_online_account_error), gself);
+
+      if (webcredentials_get_error_status (webcredentials))
+        indicator_session_actions_notify_has_online_account_error (gself);
+    }
+
+  log_and_clear_error (&err, G_STRLOC, G_STRFUNC);
+}
+
+static void
+on_end_session_dialog_proxy_ready (GObject * o G_GNUC_UNUSED, GAsyncResult * res, gpointer gself)
+{
+  GError * err;
+  EndSessionDialog * end_session_dialog;
+
+  err = NULL;
+  end_session_dialog = end_session_dialog_proxy_new_for_bus_finish (res, &err);
+  if (err == NULL)
+    {
+      INDICATOR_SESSION_ACTIONS_DBUS(gself)->priv->end_session_dialog = end_session_dialog;
+
+      indicator_session_actions_notify_can_prompt (INDICATOR_SESSION_ACTIONS(gself));
+      indicator_session_actions_notify_can_reboot (INDICATOR_SESSION_ACTIONS(gself));
+    }
+
+  log_and_clear_error (&err, G_STRLOC, G_STRFUNC);
+}
+
+/***
+****  Virtual Functions
+***/
+
+static gboolean
+my_can_lock (IndicatorSessionActions * self)
+{
+  priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  return !g_settings_get_boolean (p->lockdown_settings, "disable-lock-screen");
+}
+
+static gboolean
+my_can_logout (IndicatorSessionActions * self)
+{
+  priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  if (g_settings_get_boolean (p->indicator_settings, "suppress-logout-menuitem"))
+    return FALSE;
+
+  if (g_settings_get_boolean (p->lockdown_settings, "disable-log-out"))
+    return FALSE;
+
+  return TRUE;
+}
+
+static gboolean
+my_can_reboot (IndicatorSessionActions * actions)
+{
+  IndicatorSessionActionsDbus * self = INDICATOR_SESSION_ACTIONS_DBUS(actions);
+  priv_t * p = self->priv;
+  
+  if (g_settings_get_boolean (p->indicator_settings, "suppress-restart-menuitem"))
+    return FALSE;
+
+  /* Shutdown and Restart are the same dialog prompt in Unity,
+     so disable the redundant 'Restart' menuitem in that mode */
+  if (!g_settings_get_boolean (p->indicator_settings, "suppress-shutdown-menuitem"))
+    if (get_prompt_status(self) == PROMPT_WITH_UNITY)
+      return FALSE;
+
+  return TRUE;
+}
+
+static gboolean
+my_can_switch (IndicatorSessionActions * self)
+{
+  const priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  return p->seat_allows_activation
+     && !g_settings_get_boolean (p->lockdown_settings, "disable-user-switching");
+}
+
+static gboolean
+my_can_suspend (IndicatorSessionActions * self)
+{
+  const priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  return p && p->can_suspend;
+}
+
+static gboolean
+my_can_hibernate (IndicatorSessionActions * self)
+{
+  const priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  return p && p->can_hibernate;
+}
+
+static gboolean
+my_can_prompt (IndicatorSessionActions * self)
+{
+  return get_prompt_status(INDICATOR_SESSION_ACTIONS_DBUS(self)) != PROMPT_NONE;
+}
+
+static gboolean
+my_has_online_account_error (IndicatorSessionActions * self)
+{
+  const priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  return p && (p->webcredentials) && (webcredentials_get_error_status (p->webcredentials));
+}
+
+static void
+my_suspend (IndicatorSessionActions * self)
+{
+  priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  g_return_if_fail (p->login1_manager != NULL);
+
+  login1_manager_call_suspend (p->login1_manager,
+                               FALSE,
+                               p->login1_manager_cancellable,
+                               NULL,
+                               NULL);
+}
+
+static void
+my_hibernate (IndicatorSessionActions * self)
+{
+  priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  g_return_if_fail (p->login1_manager != NULL);
+
+  login1_manager_call_hibernate (p->login1_manager,
+                                 FALSE,
+                                 p->login1_manager_cancellable,
+                                 NULL,
+                                 NULL);
+}
+
+/***
+****  End Session Dialog
+***/
+
+static void
+logout_now (IndicatorSessionActionsDbus * self)
+{
+  priv_t * p = self->priv;
+
+  g_return_if_fail (p->session_manager != NULL);
+
+  gnome_session_manager_call_logout (p->session_manager,
+                                     1, /* don't prompt */
+                                     p->cancellable,
+                                     NULL,
+                                     NULL);
+}
+
+static void
+on_reboot_response (GObject      * o,
+                    GAsyncResult * res,
+                    gpointer       unused G_GNUC_UNUSED)
+{
+  GError * err = NULL;
+  login1_manager_call_reboot_finish (LOGIN1_MANAGER(o), res, &err);
+  if (err != NULL)
+    {
+      g_warning ("Unable to reboot: %s", err->message);
+      g_error_free (err);
+    }
+}
+
+static void
+reboot_now (IndicatorSessionActionsDbus * self)
+{
+  priv_t * p = self->priv;
+
+  g_return_if_fail (p->login1_manager != NULL);
+
+  login1_manager_call_reboot (p->login1_manager,
+                              FALSE,
+                              p->login1_manager_cancellable,
+                              on_reboot_response,
+                              NULL);
+}
+
+static void
+power_off_now (IndicatorSessionActionsDbus * self)
+{
+  priv_t * p = self->priv;
+
+  g_return_if_fail (p->login1_manager != NULL);
+
+  login1_manager_call_power_off (p->login1_manager,
+                                 FALSE,
+                                 p->login1_manager_cancellable,
+                                 NULL,
+                                 NULL);
+}
+
+static void
+stop_listening_to_dialog (IndicatorSessionActionsDbus * self)
+{
+  g_signal_handlers_disconnect_by_data (self->priv->end_session_dialog, self);
+}
+static void
+on_end_session_dialog_canceled (IndicatorSessionActionsDbus * self)
+{
+  stop_listening_to_dialog (self);
+}
+static void
+on_end_session_dialog_closed (IndicatorSessionActionsDbus * self)
+{
+  stop_listening_to_dialog (self);
+}
+
+static void
+on_open_end_session_dialog_ready (GObject      * o,
+                                  GAsyncResult * res,
+                                  gpointer       gself G_GNUC_UNUSED)
+{
+  GError * err = NULL;
+  end_session_dialog_call_open_finish (END_SESSION_DIALOG(o), res, &err);
+  log_and_clear_error (&err, G_STRLOC, G_STRFUNC);
+}
+
+static void
+show_unity_end_session_dialog (IndicatorSessionActionsDbus * self, int type)
+{
+  priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+  gpointer o = p->end_session_dialog;
+  const char * inhibitor_paths[]  = { NULL };
+
+  g_assert (o != NULL);
+
+  g_signal_connect_swapped (o, "confirmed-logout", G_CALLBACK(logout_now), self);
+  g_signal_connect_swapped (o, "confirmed-reboot", G_CALLBACK(reboot_now), self);
+  g_signal_connect_swapped (o, "confirmed-shutdown", G_CALLBACK(power_off_now), self);
+  g_signal_connect_swapped (o, "canceled", G_CALLBACK(on_end_session_dialog_canceled), self);
+  g_signal_connect_swapped (o, "closed", G_CALLBACK(on_end_session_dialog_closed), self);
+
+  end_session_dialog_call_open (p->end_session_dialog, type, 0, 0, inhibitor_paths,
+                                p->cancellable,
+                                on_open_end_session_dialog_ready,
+                                self);
+}
+
+static gboolean
+zenity_question (IndicatorSessionActionsDbus * self,
+                 const char * icon_name,
+                 const char * title,
+                 const char * text,
+                 const char * ok_label,
+                 const char * cancel_label)
+{
+  char * command_line;
+  int exit_status;
+  gboolean confirmed;
+
+  command_line = g_strdup_printf ("%s"
+                                  " --question"
+                                  " --icon-name=\"%s\""
+                                  " --title=\"%s\""
+                                  " --text=\"%s\""
+                                  " --ok-label=\"%s\""
+                                  " --cancel-label=\"%s\""
+                                  " --no-wrap",
+                                  self->priv->zenity,
+                                  icon_name,
+                                  title,
+                                  text,
+                                  ok_label,
+                                  cancel_label);
+
+  exit_status = -1;
+  if (!g_spawn_command_line_sync (command_line, NULL, NULL, &exit_status, NULL))
+    {
+      /* Treat failure-to-prompt as user confirmation.
+         Otherwise how will the user ever log out? */
+      confirmed = TRUE;
+    }
+  else
+    {
+      confirmed = exit_status == 0;
+    }
+
+  g_free (command_line);
+  return confirmed;
+}
+
+static void
+my_logout (IndicatorSessionActions * actions)
+{
+  IndicatorSessionActionsDbus * self = INDICATOR_SESSION_ACTIONS_DBUS (actions);
+
+  switch (get_prompt_status (self))
+    {
+      case PROMPT_WITH_UNITY:
+        show_unity_end_session_dialog (self, END_SESSION_TYPE_LOGOUT);
+        break;
+
+      case PROMPT_NONE:
+        logout_now (self);
+        break;
+
+      case PROMPT_WITH_ZENITY:
+        {
+          const char * primary = _("Are you sure you want to close all programs and log out?");
+          const char * secondary = _("Some software updates won't be applied until the computer next restarts.");
+          char * text = g_strdup_printf ("<big><b>%s</b></big>\n \n%s", primary, secondary);
+
+          gboolean confirmed = zenity_question (self,
+                                                "system-log-out",
+                                                _("Log Out"),
+                                                text,
+                                                _("Log Out"),
+                                                _("Cancel"));
+
+          g_free (text);
+
+          if (confirmed)
+            logout_now (self);
+          break;
+        }
+    }
+}
+
+static void
+my_reboot (IndicatorSessionActions * actions)
+{
+  IndicatorSessionActionsDbus * self = INDICATOR_SESSION_ACTIONS_DBUS (actions);
+
+  switch (get_prompt_status (self))
+    {
+      case PROMPT_WITH_UNITY:
+        show_unity_end_session_dialog (self, END_SESSION_TYPE_REBOOT);
+        break;
+
+      case PROMPT_NONE:
+        reboot_now (self);
+        break;
+
+      case PROMPT_WITH_ZENITY:
+        if (zenity_question (self,
+              "system-restart",
+              _("Restart"),
+              _("Are you sure you want to close all programs and restart the computer?"),
+              _("Restart"),
+              _("Cancel")))
+          reboot_now (self);
+        break;
+    }
+}
+
+static void
+my_power_off (IndicatorSessionActions * actions)
+{
+  IndicatorSessionActionsDbus * self = INDICATOR_SESSION_ACTIONS_DBUS (actions);
+
+  switch (get_prompt_status (self))
+    {
+      case PROMPT_WITH_UNITY:
+        /* NB: TYPE_REBOOT instead of TYPE_SHUTDOWN because
+           the latter adds lock & logout options in Unity... */
+        show_unity_end_session_dialog (self, END_SESSION_TYPE_REBOOT);
+        break;
+
+      case PROMPT_WITH_ZENITY:
+        if (zenity_question (self,
+              "system-shutdown",
+              _("Shut Down"),
+              _("Are you sure you want to close all programs and shut down the computer?"),
+              _("Shut Down"),
+              _("Cancel")))
+          power_off_now (self);
+        break;
+
+      case PROMPT_NONE:
+        power_off_now (self);
+        break;
+    }
+}
+
+/***
+****
+***/
+
+static void
+run_outside_app (const char * cmd)
+{
+  GError * err = NULL;
+  g_debug ("%s calling \"%s\"", G_STRFUNC, cmd);
+  g_spawn_command_line_async (cmd, &err);
+  log_and_clear_error (&err, G_STRLOC, G_STRFUNC);
+}
+
+static void
+my_help (IndicatorSessionActions * self G_GNUC_UNUSED)
+{
+  run_outside_app ("yelp");
+}
+
+static void
+my_settings (IndicatorSessionActions * self G_GNUC_UNUSED)
+{
+  run_outside_app ("gnome-control-center");
+}
+
+static void
+my_online_accounts (IndicatorSessionActions * self G_GNUC_UNUSED)
+{
+  run_outside_app ("gnome-control-center credentials");
+}
+
+static void
+my_about (IndicatorSessionActions * self G_GNUC_UNUSED)
+{
+  run_outside_app ("gnome-control-center info");
+}
+
+/***
+****
+***/
+
+static void
+my_switch_to_screensaver (IndicatorSessionActions * self)
+{
+  priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  g_return_if_fail (p->screen_saver != NULL);
+
+  gnome_screen_saver_call_lock (p->screen_saver, p->cancellable, NULL, NULL);
+}
+
+static void
+my_switch_to_greeter (IndicatorSessionActions * self)
+{
+  priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  g_return_if_fail (p->dm_seat != NULL);
+
+  display_manager_seat_call_switch_to_greeter (p->dm_seat,
+                                               p->dm_seat_cancellable,
+                                               NULL, NULL);
+}
+
+static void
+my_switch_to_guest (IndicatorSessionActions * self)
+{
+  priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  g_return_if_fail (p->dm_seat != NULL);
+
+  display_manager_seat_call_switch_to_guest (p->dm_seat, "",
+                                             p->dm_seat_cancellable,
+                                             NULL, NULL);
+}
+
+static void
+my_switch_to_username (IndicatorSessionActions * self, const char * username)
+{
+  priv_t * p = INDICATOR_SESSION_ACTIONS_DBUS(self)->priv;
+
+  g_return_if_fail (p->dm_seat != NULL);
+
+  display_manager_seat_call_switch_to_user (p->dm_seat, username, "",
+                                            p->dm_seat_cancellable,
+                                            NULL, NULL);
+}
+
+static void
+my_dispose (GObject * o)
+{
+  IndicatorSessionActionsDbus * self = INDICATOR_SESSION_ACTIONS_DBUS (o);
+  priv_t * p = self->priv;
+
+  if (p->cancellable != NULL)
+    {
+      g_cancellable_cancel (p->cancellable);
+      g_clear_object (&p->cancellable);
+    }
+
+  if (p->indicator_settings != NULL)
+    {
+      g_signal_handlers_disconnect_by_data (p->indicator_settings, self);
+      g_clear_object (&p->indicator_settings);
+    }
+
+  if (p->lockdown_settings != NULL)
+    {
+      g_signal_handlers_disconnect_by_data (p->lockdown_settings, self);
+      g_clear_object (&p->lockdown_settings);
+    }
+
+  if (p->webcredentials != NULL)
+    {
+      g_signal_handlers_disconnect_by_data (p->webcredentials, self);
+      g_clear_object (&p->webcredentials);
+    }
+
+  if (p->end_session_dialog != NULL)
+    {
+      stop_listening_to_dialog (self);
+      g_clear_object (&p->end_session_dialog);
+    }
+
+  g_clear_object (&p->screen_saver);
+  g_clear_object (&p->session_manager);
+  set_dm_seat (self, NULL);
+  set_login1_manager (self, NULL);
+  set_login1_seat (self, NULL);
+
+  G_OBJECT_CLASS (indicator_session_actions_dbus_parent_class)->dispose (o);
+}
+
+static void
+my_finalize (GObject * o)
+{
+  IndicatorSessionActionsDbus * self = INDICATOR_SESSION_ACTIONS_DBUS (o);
+  priv_t * p = self->priv;
+
+  g_free (p->zenity);
+}
+
+
+/***
+****  GObject Boilerplate
+***/
+
+static void
+/* cppcheck-suppress unusedFunction */
+indicator_session_actions_dbus_class_init (IndicatorSessionActionsDbusClass * klass)
+{
+  GObjectClass * object_class;
+  IndicatorSessionActionsClass * actions_class;
+
+  object_class = G_OBJECT_CLASS (klass);
+  object_class->dispose = my_dispose;
+  object_class->finalize = my_finalize;
+
+  actions_class = INDICATOR_SESSION_ACTIONS_CLASS (klass);
+  actions_class->can_lock = my_can_lock;
+  actions_class->can_logout = my_can_logout;
+  actions_class->can_reboot = my_can_reboot;
+  actions_class->can_switch = my_can_switch;
+  actions_class->can_suspend = my_can_suspend;
+  actions_class->can_hibernate = my_can_hibernate;
+  actions_class->can_prompt = my_can_prompt;
+  actions_class->has_online_account_error = my_has_online_account_error;
+  actions_class->logout = my_logout;
+  actions_class->suspend = my_suspend;
+  actions_class->hibernate = my_hibernate;
+  actions_class->reboot = my_reboot;
+  actions_class->power_off = my_power_off;
+  actions_class->settings = my_settings;
+  actions_class->online_accounts = my_online_accounts;
+  actions_class->help = my_help;
+  actions_class->about = my_about;
+  actions_class->switch_to_screensaver = my_switch_to_screensaver;
+  actions_class->switch_to_greeter = my_switch_to_greeter;
+  actions_class->switch_to_guest = my_switch_to_guest;
+  actions_class->switch_to_username = my_switch_to_username;
+
+  g_type_class_add_private (klass, sizeof (IndicatorSessionActionsDbusPriv));
+}
+
+static void
+/* cppcheck-suppress unusedFunction */
+indicator_session_actions_dbus_init (IndicatorSessionActionsDbus * self)
+{
+  priv_t * p;
+  GSettings * s;
+
+  p = G_TYPE_INSTANCE_GET_PRIVATE (self,
+                                   INDICATOR_TYPE_SESSION_ACTIONS_DBUS,
+                                   IndicatorSessionActionsDbusPriv);
+  p->cancellable = g_cancellable_new ();
+  p->seat_allows_activation = TRUE;
+  self->priv = p;
+
+  p->zenity = g_find_program_in_path ("zenity");
+
+  s = g_settings_new ("org.gnome.desktop.lockdown");
+  g_signal_connect_swapped (s, "changed::disable-lock-screen",
+                            G_CALLBACK(indicator_session_actions_notify_can_lock), self);
+  g_signal_connect_swapped (s, "changed::disable-log-out",
+                            G_CALLBACK(indicator_session_actions_notify_can_logout), self);
+  g_signal_connect_swapped (s, "changed::disable-user-switching",
+                            G_CALLBACK(indicator_session_actions_notify_can_switch), self);
+  p->lockdown_settings = s;
+
+  s = g_settings_new ("com.canonical.indicator.session");
+  g_signal_connect_swapped (s, "changed::suppress-logout-restart-shutdown",
+                            G_CALLBACK(indicator_session_actions_notify_can_prompt), self);
+  g_signal_connect_swapped (s, "changed::suppress-logout-restart-shutdown",
+                            G_CALLBACK(indicator_session_actions_notify_can_reboot), self);
+  g_signal_connect_swapped (s, "changed::suppress-restart-menuitem",
+                            G_CALLBACK(indicator_session_actions_notify_can_reboot), self);
+  g_signal_connect_swapped (s, "changed::suppress-shutdown-menuitem",
+                            G_CALLBACK(indicator_session_actions_notify_can_reboot), self);
+  p->indicator_settings = s;
+
+  gnome_screen_saver_proxy_new_for_bus (G_BUS_TYPE_SESSION,
+                                        G_DBUS_PROXY_FLAGS_NONE,
+                                        "org.gnome.ScreenSaver",
+                                        "/org/gnome/ScreenSaver",
+                                        p->cancellable,
+                                        on_screensaver_proxy_ready,
+                                        self);
+
+  gnome_session_manager_proxy_new_for_bus (G_BUS_TYPE_SESSION,
+                                           G_DBUS_PROXY_FLAGS_NONE,
+                                           "org.gnome.SessionManager",
+                                           "/org/gnome/SessionManager",
+                                           p->cancellable,
+                                           on_session_manager_proxy_ready,
+                                           self);
+
+  webcredentials_proxy_new_for_bus (G_BUS_TYPE_SESSION,
+                                    G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
+                                    "com.canonical.indicators.webcredentials",
+                                    "/com/canonical/indicators/webcredentials",
+                                    p->cancellable,
+                                    on_webcredentials_proxy_ready,
+                                    self);
+
+  end_session_dialog_proxy_new_for_bus (G_BUS_TYPE_SESSION,
+                                        G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
+                                        "com.canonical.Unity",
+                                        "/org/gnome/SessionManager/EndSessionDialog",
+                                        p->cancellable,
+                                        on_end_session_dialog_proxy_ready,
+                                        self);
+}
+
+/***
+****  Public
+***/
+
+IndicatorSessionActions *
+indicator_session_actions_dbus_new (void)
+{
+  gpointer o = g_object_new (INDICATOR_TYPE_SESSION_ACTIONS_DBUS, NULL);
+
+  return INDICATOR_SESSION_ACTIONS (o);
+}
+
+void
+indicator_session_actions_dbus_set_proxies (IndicatorSessionActionsDbus * self,
+                                            Login1Manager               * login1_manager,
+                                            Login1Seat                  * login1_seat,
+                                            DisplayManagerSeat          * dm_seat)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_ACTIONS_DBUS(self));
+
+  set_login1_manager (self, login1_manager);
+  set_login1_seat (self, login1_seat);
+  set_dm_seat (self, dm_seat);
+}
diff --git a/src/backend-dbus/actions.h b/src/backend-dbus/actions.h
new file mode 100644
index 0000000..d3d722d
--- /dev/null
+++ b/src/backend-dbus/actions.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#ifndef __INDICATOR_SESSION_ACTIONS_DBUS_H__
+#define __INDICATOR_SESSION_ACTIONS_DBUS_H__
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include "../actions.h" /* parent class */
+#include "dbus-login1-manager.h"
+#include "dbus-login1-seat.h"
+#include "dbus-display-manager.h"
+
+
+G_BEGIN_DECLS
+
+#define INDICATOR_TYPE_SESSION_ACTIONS_DBUS          (indicator_session_actions_dbus_get_type())
+#define INDICATOR_SESSION_ACTIONS_DBUS(o)            (G_TYPE_CHECK_INSTANCE_CAST ((o), INDICATOR_TYPE_SESSION_ACTIONS_DBUS, IndicatorSessionActionsDbus))
+#define INDICATOR_SESSION_ACTIONS_DBUS_GET_CLASS(o)  (G_TYPE_INSTANCE_GET_CLASS ((o), INDICATOR_TYPE_SESSION_ACTIONS_DBUS, IndicatorSessionActionsDbusClass))
+#define INDICATOR_IS_SESSION_ACTIONS_DBUS(o)         (G_TYPE_CHECK_INSTANCE_TYPE ((o), INDICATOR_TYPE_SESSION_ACTIONS_DBUS))
+
+typedef struct _IndicatorSessionActionsDbus        IndicatorSessionActionsDbus;
+typedef struct _IndicatorSessionActionsDbusPriv    IndicatorSessionActionsDbusPriv;
+typedef struct _IndicatorSessionActionsDbusClass   IndicatorSessionActionsDbusClass;
+
+/**
+ * An implementation of IndicatorSessionActions that gets its user information
+ * from org.freedesktop.login1 org.freedesktop.DisplayManager over DBus.
+ */
+struct _IndicatorSessionActionsDbus
+{
+  /*< private >*/
+  IndicatorSessionActions parent;
+  IndicatorSessionActionsDbusPriv * priv;
+};
+
+struct _IndicatorSessionActionsDbusClass
+{
+  IndicatorSessionActionsClass parent_class;
+};
+
+GType indicator_session_actions_dbus_get_type (void);
+
+IndicatorSessionActions * indicator_session_actions_dbus_new (void);
+
+void indicator_session_actions_dbus_set_proxies (IndicatorSessionActionsDbus * self,
+                                                 Login1Manager               * login1_manager,
+                                                 Login1Seat                  * login1_seat,
+                                                 DisplayManagerSeat          * dm_seat);
+                                                 
+
+G_END_DECLS
+
+#endif /* __INDICATOR_SESSION_ACTIONS_DBUS_H__ */
diff --git a/src/backend-dbus/backend-dbus.c b/src/backend-dbus/backend-dbus.c
new file mode 100644
index 0000000..547c6ab
--- /dev/null
+++ b/src/backend-dbus/backend-dbus.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#include "actions.h"
+#include "backend-dbus.h"
+#include "guest.h"
+#include "users.h"
+#include "utils.h"
+
+struct dbus_world_data
+{
+  GCancellable                * cancellable;
+  IndicatorSessionActionsDbus * actions;
+  IndicatorSessionUsersDbus   * users;
+  IndicatorSessionGuestDbus   * guest;
+};
+
+static void 
+on_proxies_ready (Login1Manager      * login1_manager,
+                  Login1Seat         * login1_seat,
+                  DisplayManagerSeat * display_manager_seat, 
+                  Accounts           * account_manager,
+                  GCancellable       * cancellable,
+                  gpointer             gdata)
+{
+  struct dbus_world_data * data = gdata;
+
+  if (!g_cancellable_is_cancelled (cancellable))
+    {
+      if (data->actions != NULL)
+        indicator_session_actions_dbus_set_proxies (data->actions,
+                                                    login1_manager,
+                                                    login1_seat,
+                                                    display_manager_seat);
+
+      if (data->users != NULL)
+        indicator_session_users_dbus_set_proxies (data->users,
+                                                  login1_manager,
+                                                  login1_seat,
+                                                  display_manager_seat,
+                                                  account_manager);
+
+      if (data->guest != NULL)
+        indicator_session_guest_dbus_set_proxies (data->guest,
+                                                  login1_manager,
+                                                  login1_seat,
+                                                  display_manager_seat);
+    }
+
+  g_free (data);
+}
+
+/***
+****
+***/
+
+void
+backend_get (GCancellable             * cancellable,
+             IndicatorSessionActions ** setme_actions,
+             IndicatorSessionUsers   ** setme_users,
+             IndicatorSessionGuest   ** setme_guest)
+{
+  struct dbus_world_data * data;
+
+  data = g_new0 (struct dbus_world_data, 1);
+
+  if (setme_actions != NULL)
+    {
+      IndicatorSessionActions * actions;
+      actions = indicator_session_actions_dbus_new ();
+      data->actions = INDICATOR_SESSION_ACTIONS_DBUS (actions);
+
+      *setme_actions = actions;
+    }
+
+  if (setme_users != NULL)
+    {
+      IndicatorSessionUsers * users;
+      users = indicator_session_users_dbus_new ();
+      data->users = INDICATOR_SESSION_USERS_DBUS (users);
+
+      *setme_users = users;
+    }
+
+  if (setme_guest != NULL)
+    {
+      IndicatorSessionGuest * guest;
+      guest = indicator_session_guest_dbus_new ();
+      data->guest = INDICATOR_SESSION_GUEST_DBUS (guest);
+
+      *setme_guest = guest;
+    }
+
+  data->cancellable = g_object_ref (cancellable);
+
+  indicator_session_util_get_session_proxies (on_proxies_ready,
+                                              data->cancellable,
+                                              data);
+}
diff --git a/src/backend-dbus/backend-dbus.h b/src/backend-dbus/backend-dbus.h
new file mode 100644
index 0000000..daf6ac3
--- /dev/null
+++ b/src/backend-dbus/backend-dbus.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#ifndef __INDICATOR_SESSION_BACKEND_DESKTOP_H__
+#define __INDICATOR_SESSION_BACKEND_DESKTOP_H__
+
+#include <gio/gio.h> /* GCancellable */
+
+#include "../actions.h"
+#include "../guest.h"
+#include "../users.h"
+
+G_BEGIN_DECLS
+
+void backend_get (GCancellable             * cancellable,
+                  IndicatorSessionActions ** setme_actions,
+                  IndicatorSessionUsers   ** setme_users,
+                  IndicatorSessionGuest   ** setme_guest);
+
+G_END_DECLS
+
+#endif
diff --git a/src/backend-dbus/com.canonical.indicators.webcredentials.xml b/src/backend-dbus/com.canonical.indicators.webcredentials.xml
new file mode 100644
index 0000000..d215081
--- /dev/null
+++ b/src/backend-dbus/com.canonical.indicators.webcredentials.xml
@@ -0,0 +1,82 @@
+<node>
+<!--
+  com.canonical.indicators.webcredentials:
+  @short_description: interface for handling login failures.
+
+  The service implementing this interface keeps track of login failures.
+  Failures are reported (usually by signon-ui) using the ReportFailure method,
+  are listed in the Failures property and can be removed by calling
+  RemoveFailures.
+
+  The ClearErrorStatus method can be called to clear the error indicator from
+  the system user menu.
+-->
+<interface name="com.canonical.indicators.webcredentials">
+  <!--
+    ReportFailure:
+    @account-id: the libaccounts ID of the account which failed to login.
+    @notification: dictionary of parameters for the OSD notification.
+
+    Inform the service about a failing account. The @account-id is added to the
+    list of the accounts in the Failures property, and a notification might be
+    displayed to the user.
+
+    The parameters currently recognized for the @notification argument are:
+    - DisplayName: string, description of the account (usually it's the
+      username)
+  -->
+  <method name="ReportFailure">
+    <annotation name="com.trolltech.QtDBus.QtTypeName.In1" value="QVariantMap"/>
+    <arg name="account_id" type="u" direction="in"/>
+    <arg name="notification" type="a{sv}" direction="in"/>
+  </method>
+
+  <!--
+    RemoveFailures:
+    @account-ids: the libaccounts IDs of the accounts.
+
+    Remove the given account IDs from the list of the failed accounts.
+  -->
+  <method name="RemoveFailures">
+    <annotation name="com.trolltech.QtDBus.QtTypeName.In0" value="QSet&lt;uint>"/>
+    <arg name="account_ids" type="au" direction="in"/>
+  </method>
+
+  <!--
+    ReauthenticateAccount:
+    @account-id: the libaccounts ID of the account.
+    @extra-parameters: dictionary of extra parameters (typically used to
+    specify a XWindowID).
+    @reauthenticated: %TRUE if the account could be reauthenticated and the
+    failure status has been cleared, %FALSE otherwise.
+
+    Tries to replay the failed authentications on the account. If all of them
+    succeed, then the account failure is cleared.
+  -->
+  <method name="ReauthenticateAccount">
+    <annotation name="com.trolltech.QtDBus.QtTypeName.In1" value="QVariantMap"/>
+    <arg name="account_id" type="u" direction="in"/>
+    <arg name="extra_parameters" type="a{sv}" direction="in"/>
+    <arg name="reauthenticated" type="b" direction="out"/>
+  </method>
+
+  <!--
+    ClearErrorStatus:
+
+    Unsets the error indicator (if any) from the system user menu.
+  -->
+  <method name="ClearErrorStatus"/>
+
+  <!--
+    Failures: list of the libaccounts IDs of the failing accounts.
+  -->
+  <property name="Failures" type="au" access="read">
+    <annotation name="com.trolltech.QtDBus.QtTypeName" value="QSet&lt;uint>"/>
+  </property>
+
+  <!--
+    ErrorStatus: true if the indicator should display an error status.
+  -->
+  <property name="ErrorStatus" type="b" access="read"/>
+</interface>
+</node>
diff --git a/src/backend-dbus/guest.c b/src/backend-dbus/guest.c
new file mode 100644
index 0000000..3269097
--- /dev/null
+++ b/src/backend-dbus/guest.c
@@ -0,0 +1,394 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#include <glib.h>
+
+#include "guest.h"
+
+struct _IndicatorSessionGuestDbusPriv
+{
+  GCancellable * cancellable;
+
+  Login1Manager * login1_manager;
+  Login1Seat * login1_seat;
+  DisplayManagerSeat * dm_seat;
+
+  gboolean guest_is_active;
+  gboolean guest_is_logged_in;
+  gboolean guest_is_allowed;
+};
+
+typedef IndicatorSessionGuestDbusPriv priv_t;
+
+G_DEFINE_TYPE (IndicatorSessionGuestDbus,
+               indicator_session_guest_dbus,
+               INDICATOR_TYPE_SESSION_GUEST)
+
+/***
+****
+***/
+
+static void
+set_guest_is_allowed_flag (IndicatorSessionGuestDbus * self, gboolean b)
+{
+  priv_t * p = self->priv;
+
+  if (p->guest_is_allowed != b)
+    {
+      p->guest_is_allowed = b;
+
+      indicator_session_guest_notify_allowed (INDICATOR_SESSION_GUEST (self));
+    }
+}
+
+static void
+set_guest_is_logged_in_flag (IndicatorSessionGuestDbus * self, gboolean b)
+{
+  priv_t * p = self->priv;
+
+  if (p->guest_is_logged_in != b)
+    {
+      p->guest_is_logged_in = b;
+
+      indicator_session_guest_notify_logged_in (INDICATOR_SESSION_GUEST (self));
+    }
+}
+
+static void
+set_guest_is_active_flag (IndicatorSessionGuestDbus * self, gboolean b)
+{
+  priv_t * p = self->priv;
+
+  if (p->guest_is_active != b)
+    {
+      p->guest_is_active = b;
+
+      indicator_session_guest_notify_active (INDICATOR_SESSION_GUEST(self));
+    }
+}
+
+/***
+****
+***/
+
+/* walk the sessions to see if guest is logged in or active */
+static void
+on_login1_manager_session_list_ready (GObject      * o,
+                                      GAsyncResult * res,
+                                      gpointer       gself)
+{
+  GVariant * sessions;
+  GError * err;
+
+  sessions = NULL;
+  err = NULL;
+  login1_manager_call_list_sessions_finish (LOGIN1_MANAGER(o),
+                                            &sessions,
+                                            res,
+                                            &err);
+  if (err != NULL)
+    {
+      if (!g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning ("%s: %s", G_STRFUNC, err->message);
+
+      g_error_free (err);
+    }
+  else
+    {
+      const gchar * const current_seat_id = g_getenv ("XDG_SEAT");
+      const gchar * const current_session_id = g_getenv ("XDG_SESSION_ID");
+      gboolean is_logged_in = FALSE;
+      gboolean is_active = FALSE;
+      const gchar * session_id = NULL;
+      guint32 uid = 0;
+      const gchar * user_name = NULL;
+      const gchar * seat_id = NULL;
+      GVariantIter iter;
+
+      g_variant_iter_init (&iter, sessions);
+      while (g_variant_iter_loop (&iter, "(&su&s&so)", &session_id,
+                                                        &uid,
+                                                        &user_name,
+                                                        &seat_id,
+                                                        NULL))
+        {
+          gboolean is_current_session;
+          gboolean is_guest;
+
+          is_current_session = !g_strcmp0 (current_seat_id, seat_id)
+                            && !g_strcmp0 (current_session_id, session_id);
+
+          is_guest = g_str_has_prefix (user_name, "guest-")
+                  && (uid < 1000);
+
+          if (is_guest)
+            {
+              is_logged_in = TRUE;
+
+              is_active = is_current_session;
+            }
+        }
+
+      set_guest_is_logged_in_flag (gself, is_logged_in);
+      set_guest_is_active_flag (gself, is_active);
+
+      g_variant_unref (sessions);
+    }
+}
+
+static void
+update_session_list (IndicatorSessionGuestDbus * self)
+{
+  priv_t * p = self->priv;
+
+  if (p->login1_manager != NULL)
+    {
+      login1_manager_call_list_sessions (p->login1_manager,
+                                         p->cancellable,
+                                         on_login1_manager_session_list_ready,
+                                         self);
+    }
+}
+
+static void
+set_login1_manager (IndicatorSessionGuestDbus * self,
+                    Login1Manager             * login1_manager)
+{
+  priv_t * p = self->priv;
+
+  if (p->login1_manager != NULL)
+    {
+      g_signal_handlers_disconnect_by_data (p->login1_manager, self);
+
+      g_clear_object (&p->login1_manager);
+    }
+
+  if (login1_manager != NULL)
+    {
+      p->login1_manager = g_object_ref (login1_manager);
+
+      g_signal_connect_swapped (login1_manager, "session-new",
+                                G_CALLBACK(update_session_list), self);
+      g_signal_connect_swapped (login1_manager, "session-removed",
+                                G_CALLBACK(update_session_list), self);
+      update_session_list (self);
+    }
+}
+
+static void
+set_login1_seat (IndicatorSessionGuestDbus * self,
+                 Login1Seat                * login1_seat)
+{
+  priv_t * p = self->priv;
+
+  if (p->login1_seat != NULL)
+    {
+      g_signal_handlers_disconnect_by_data (p->login1_seat, self);
+      g_clear_object (&p->login1_seat);
+    }
+
+  if (login1_seat != NULL)
+    {
+      p->login1_seat = g_object_ref (login1_seat);
+
+      g_signal_connect_swapped (login1_seat, "notify::active-session",
+                                G_CALLBACK(update_session_list), self);
+      update_session_list (self);
+    }
+}
+
+/***
+****
+***/
+
+static void
+on_switch_to_guest_done (GObject      * o,
+                         GAsyncResult * res,
+                         gpointer       unused G_GNUC_UNUSED)
+{
+  GError * err;
+
+  err = NULL;
+  display_manager_seat_call_switch_to_guest_finish (DISPLAY_MANAGER_SEAT(o),
+                                                    res,
+                                                    &err);
+  if (err != NULL)
+    {
+      if (!g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning ("%s %s: %s", G_STRLOC, G_STRFUNC, err->message);
+
+      g_error_free (err);
+    }
+}
+
+static void
+my_switch_to_guest (IndicatorSessionGuest * guest)
+{
+  IndicatorSessionGuestDbus * self = INDICATOR_SESSION_GUEST_DBUS(guest);
+
+  g_return_if_fail (self != NULL);
+  g_return_if_fail (self->priv->dm_seat != NULL);
+
+  display_manager_seat_call_switch_to_guest (self->priv->dm_seat,
+                                             "",
+                                             self->priv->cancellable,
+                                             on_switch_to_guest_done,
+                                             self);
+}
+
+static void
+on_notify_has_guest_account (DisplayManagerSeat        * dm_seat,
+                             GParamSpec                * pspec G_GNUC_UNUSED,
+                             IndicatorSessionGuestDbus * self)
+{
+  gboolean guest_exists = display_manager_seat_get_has_guest_account (dm_seat);
+  set_guest_is_allowed_flag (self, guest_exists);
+}
+
+static void
+set_display_manager_seat (IndicatorSessionGuestDbus * self,
+                          DisplayManagerSeat        * dm_seat)
+{
+  priv_t * p = self->priv;
+
+  if (p->dm_seat != NULL)
+    {
+      g_signal_handlers_disconnect_by_data (p->dm_seat, self);
+
+      g_clear_object (&p->dm_seat);
+    }
+
+  if (dm_seat != NULL)
+    {
+      p->dm_seat = g_object_ref (dm_seat);
+
+      g_signal_connect (dm_seat, "notify::has-guest-account",
+                        G_CALLBACK(on_notify_has_guest_account), self);
+      on_notify_has_guest_account (dm_seat, NULL, self);
+    }
+}
+
+/***
+****  IndiatorSessionGuest Virtual Functions
+***/
+
+static gboolean
+my_is_allowed (IndicatorSessionGuest * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_GUEST_DBUS(self), FALSE);
+
+  return INDICATOR_SESSION_GUEST_DBUS(self)->priv->guest_is_allowed;
+}
+
+static gboolean
+my_is_logged_in (IndicatorSessionGuest * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_GUEST_DBUS(self), FALSE);
+
+  return INDICATOR_SESSION_GUEST_DBUS(self)->priv->guest_is_logged_in;
+}
+
+static gboolean
+my_is_active (IndicatorSessionGuest * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_GUEST_DBUS(self), FALSE);
+
+  return INDICATOR_SESSION_GUEST_DBUS(self)->priv->guest_is_active;
+}
+
+/***
+****  GObject Virtual Functions
+***/
+
+static void
+my_dispose (GObject * o)
+{
+  IndicatorSessionGuestDbus * self = INDICATOR_SESSION_GUEST_DBUS (o);
+
+  if (self->priv->cancellable != NULL)
+    {
+      g_cancellable_cancel (self->priv->cancellable);
+      g_clear_object (&self->priv->cancellable);
+    }
+
+  set_login1_seat (self, NULL);
+  set_login1_manager (self, NULL);
+  set_display_manager_seat (self, NULL);
+
+  G_OBJECT_CLASS (indicator_session_guest_dbus_parent_class)->dispose (o);
+}
+
+/***
+****  Instantiation
+***/
+
+static void
+indicator_session_guest_dbus_class_init (IndicatorSessionGuestDbusClass * klass)
+{
+  GObjectClass * object_class;
+  IndicatorSessionGuestClass * guest_class;
+
+  object_class = G_OBJECT_CLASS (klass);
+  object_class->dispose = my_dispose;
+
+  guest_class = INDICATOR_SESSION_GUEST_CLASS (klass);
+  guest_class->is_allowed = my_is_allowed;
+  guest_class->is_logged_in = my_is_logged_in;
+  guest_class->is_active = my_is_active;
+  guest_class->switch_to_guest = my_switch_to_guest;
+
+  g_type_class_add_private (klass, sizeof (IndicatorSessionGuestDbusPriv));
+}
+
+static void
+indicator_session_guest_dbus_init (IndicatorSessionGuestDbus * self)
+{
+  priv_t * p;
+
+  p = G_TYPE_INSTANCE_GET_PRIVATE (self,
+                                   INDICATOR_TYPE_SESSION_GUEST_DBUS,
+                                   IndicatorSessionGuestDbusPriv);
+  p->cancellable = g_cancellable_new ();
+  self->priv = p;
+}
+
+/***
+****  Public
+***/
+
+IndicatorSessionGuest *
+indicator_session_guest_dbus_new (void)
+{
+  gpointer o = g_object_new (INDICATOR_TYPE_SESSION_GUEST_DBUS, NULL);
+
+  return INDICATOR_SESSION_GUEST (o);
+}
+
+void
+indicator_session_guest_dbus_set_proxies (IndicatorSessionGuestDbus * self,
+                                          Login1Manager             * login1_manager,
+                                          Login1Seat                * login1_seat,
+                                          DisplayManagerSeat        * dm_seat)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_GUEST_DBUS(self));
+
+  set_login1_manager (self, login1_manager);
+  set_login1_seat (self, login1_seat);
+  set_display_manager_seat (self, dm_seat);
+}
diff --git a/src/backend-dbus/guest.h b/src/backend-dbus/guest.h
new file mode 100644
index 0000000..73bb3ca
--- /dev/null
+++ b/src/backend-dbus/guest.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#ifndef __GUEST_DBUS_H__
+#define __GUEST_DBUS_H__
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include "../guest.h" /* parent class */
+#include "dbus-login1-manager.h"
+#include "dbus-login1-seat.h"
+#include "dbus-display-manager.h"
+
+
+G_BEGIN_DECLS
+
+#define INDICATOR_TYPE_SESSION_GUEST_DBUS          (indicator_session_guest_dbus_get_type())
+#define INDICATOR_SESSION_GUEST_DBUS(o)            (G_TYPE_CHECK_INSTANCE_CAST ((o), INDICATOR_TYPE_SESSION_GUEST_DBUS, IndicatorSessionGuestDbus))
+#define INDICATOR_SESSION_GUEST_DBUS_GET_CLASS(o)  (G_TYPE_INSTANCE_GET_CLASS ((o), INDICATOR_TYPE_SESSION_GUEST_DBUS, IndicatorSessionGuestDbusClass))
+#define INDICATOR_IS_SESSION_GUEST_DBUS(o)         (G_TYPE_CHECK_INSTANCE_TYPE ((o), INDICATOR_TYPE_SESSION_GUEST_DBUS))
+
+typedef struct _IndicatorSessionGuestDbus        IndicatorSessionGuestDbus;
+typedef struct _IndicatorSessionGuestDbusPriv    IndicatorSessionGuestDbusPriv;
+typedef struct _IndicatorSessionGuestDbusClass   IndicatorSessionGuestDbusClass;
+
+/**
+ * An implementation of IndicatorSessionGuest that gets its user information
+ * from org.freedesktop.login1 and org.freedesktop.Accounts over DBus.
+ */
+struct _IndicatorSessionGuestDbus
+{
+  /*< private >*/
+  IndicatorSessionGuest parent;
+  IndicatorSessionGuestDbusPriv * priv;
+};
+
+struct _IndicatorSessionGuestDbusClass
+{
+  IndicatorSessionGuestClass parent_class;
+};
+
+GType indicator_session_guest_dbus_get_type (void);
+
+IndicatorSessionGuest * indicator_session_guest_dbus_new (void);
+
+void indicator_session_guest_dbus_set_proxies (IndicatorSessionGuestDbus * self,
+                                               Login1Manager             * login1_manager,
+                                               Login1Seat                * login1_seat,
+                                               DisplayManagerSeat        * display_manager_seat);
+
+G_END_DECLS
+
+#endif
diff --git a/src/org.freedesktop.Accounts.User.xml b/src/backend-dbus/org.freedesktop.Accounts.User.xml
index 53f54d4..53f54d4 100644
--- a/src/org.freedesktop.Accounts.User.xml
+++ b/src/backend-dbus/org.freedesktop.Accounts.User.xml
diff --git a/src/org.freedesktop.Accounts.xml b/src/backend-dbus/org.freedesktop.Accounts.xml
index 9c19761..9c19761 100644
--- a/src/org.freedesktop.Accounts.xml
+++ b/src/backend-dbus/org.freedesktop.Accounts.xml
diff --git a/src/display-manager.xml b/src/backend-dbus/org.freedesktop.DisplayManager.Seat.xml
index 07b5f29..07b5f29 100644
--- a/src/display-manager.xml
+++ b/src/backend-dbus/org.freedesktop.DisplayManager.Seat.xml
diff --git a/src/org.freedesktop.login1.Manager.xml b/src/backend-dbus/org.freedesktop.login1.Manager.xml
index 91da5f2..91da5f2 100644
--- a/src/org.freedesktop.login1.Manager.xml
+++ b/src/backend-dbus/org.freedesktop.login1.Manager.xml
diff --git a/src/org.freedesktop.login1.Seat.xml b/src/backend-dbus/org.freedesktop.login1.Seat.xml
index 92b62dd..b73f724 100644
--- a/src/org.freedesktop.login1.Seat.xml
+++ b/src/backend-dbus/org.freedesktop.login1.Seat.xml
@@ -4,10 +4,10 @@
   <interface name="org.freedesktop.login1.Seat">
     <method name="Terminate"/>
     <method name="ActivateSession">
-      <arg name="id" type="s"/>
+      <arg name="id" direction="in" type="s"/>
     </method>
     <property name="Id" type="s" access="read"/>
-    <property name="ActiveSession" type="so" access="read"/>
+    <property name="ActiveSession" type="(so)" access="read"/>
     <property name="CanMultiSession" type="b" access="read"/>
     <property name="CanTTY" type="b" access="read"/>
     <property name="CanGraphical" type="b" access="read"/>
diff --git a/src/org.freedesktop.login1.User.xml b/src/backend-dbus/org.freedesktop.login1.User.xml
index 8253706..8253706 100644
--- a/src/org.freedesktop.login1.User.xml
+++ b/src/backend-dbus/org.freedesktop.login1.User.xml
diff --git a/src/backend-dbus/org.gnome.ScreenSaver.xml b/src/backend-dbus/org.gnome.ScreenSaver.xml
new file mode 100644
index 0000000..c21fdc5
--- /dev/null
+++ b/src/backend-dbus/org.gnome.ScreenSaver.xml
@@ -0,0 +1,16 @@
+<!DOCTYPE node PUBLIC
+"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
+"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+<node name="/" xmlns:doc="http://www.freedesktop.org/dbus/1.0/doc.dtd">
+
+  <interface name="org.gnome.ScreenSaver">
+
+    <method name="Lock">
+    </method>
+
+    <method name="SimulateUserActivity">
+    </method>
+
+  </interface>
+
+</node>
diff --git a/src/backend-dbus/org.gnome.SessionManager.EndSessionDialog.xml b/src/backend-dbus/org.gnome.SessionManager.EndSessionDialog.xml
new file mode 100644
index 0000000..5392de0
--- /dev/null
+++ b/src/backend-dbus/org.gnome.SessionManager.EndSessionDialog.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+<node xmlns:doc="http://www.freedesktop.org/dbus/1.0/doc.dtd">
+  <interface name="org.gnome.SessionManager.EndSessionDialog">
+    <method name="Open">
+      <arg type="u" name="type" direction="in">
+        <doc:doc>
+          <doc:summary>
+            The type of dialog to show.
+            0 for logout, 1 for shutdown, 2 for restart.
+          </doc:summary>
+        </doc:doc>
+      </arg>
+      <arg type="u" name="timestamp" direction="in">
+        <doc:doc>
+          <doc:summary>
+            Timestamp of the user-initiated event which triggered
+            the call, or 0 if the call was not triggered by an event.
+          </doc:summary>
+        </doc:doc>
+      </arg>
+      <arg type="u" name="seconds_to_stay_open" direction="in">
+        <doc:doc>
+          <doc:summary>
+            The number of seconds which the dialog should stay open
+            before automatic action is taken.
+          </doc:summary>
+        </doc:doc>
+      </arg>
+      <arg type="ao" name="inhibitor_object_paths" direction="in">
+        <doc:doc>
+          <doc:summary>
+            The object paths of all inhibitors that are registered
+            for the action.
+          </doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:summary>
+          This function opens a dialog which asks the user for confirmation
+          of a logout, poweroff or reboot action. The dialog has a timeout
+          after which the action is automatically taken, and it should show
+          the inhibitors to the user.
+        </doc:summary>
+      </doc:doc>
+    </method>
+    <signal name="ConfirmedLogout" />
+    <signal name="ConfirmedReboot" />
+    <signal name="ConfirmedShutdown" />
+    <signal name="Canceled" />
+    <signal name="Closed" />
+  </interface>
+</node>
diff --git a/src/backend-dbus/org.gnome.SessionManager.xml b/src/backend-dbus/org.gnome.SessionManager.xml
new file mode 100644
index 0000000..eb69180
--- /dev/null
+++ b/src/backend-dbus/org.gnome.SessionManager.xml
@@ -0,0 +1,451 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+<node xmlns:doc="http://www.freedesktop.org/dbus/1.0/doc.dtd">
+  <interface name="org.gnome.SessionManager">
+
+    <!-- Initialization phase interfaces -->
+
+    <method name="Setenv">
+      <arg name="variable" type="s" direction="in">
+        <doc:doc>
+          <doc:summary>The variable name</doc:summary>
+        </doc:doc>
+      </arg>
+      <arg name="value" type="s" direction="in">
+        <doc:doc>
+          <doc:summary>The value</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Adds the variable name to the application launch environment with the specified value.  May only be used during the Session Manager initialization phase.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <method name="GetLocale">
+      <arg name="category" type="i" direction="in">
+        <doc:doc>
+          <doc:summary>The locale category</doc:summary>
+        </doc:doc>
+      </arg>
+      <arg name="value" type="s" direction="out">
+        <doc:doc>
+          <doc:summary>The value</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Reads the current state of the specific locale category.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <method name="InitializationError">
+      <arg name="message" type="s" direction="in">
+        <doc:doc>
+          <doc:summary>The error message</doc:summary>
+        </doc:doc>
+      </arg>
+      <arg name="fatal" type="b" direction="in">
+        <doc:doc>
+          <doc:summary>Whether the error should be treated as fatal</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>May be used by applications launched during the Session Manager initialization phase to indicate there was a problem.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <!-- Running phase interfaces -->
+
+    <method name="RegisterClient">
+      <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
+      <arg type="s" name="app_id" direction="in">
+        <doc:doc>
+          <doc:summary>The application identifier</doc:summary>
+        </doc:doc>
+      </arg>
+      <arg type="s" name="client_startup_id" direction="in">
+        <doc:doc>
+          <doc:summary>Client startup identifier</doc:summary>
+        </doc:doc>
+      </arg>
+      <arg type="o" name="client_id" direction="out">
+        <doc:doc>
+          <doc:summary>The object path of the newly registered client</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Register the caller as a Session Management client.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <method name="UnregisterClient">
+      <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
+      <arg type="o" name="client_id" direction="in">
+        <doc:doc>
+          <doc:summary>The object path of the client</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Unregister the specified client from Session Management.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <method name="Inhibit">
+      <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
+      <arg type="s" name="app_id" direction="in">
+        <doc:doc>
+          <doc:summary>The application identifier</doc:summary>
+        </doc:doc>
+      </arg>
+      <arg type="u" name="toplevel_xid" direction="in">
+        <doc:doc>
+          <doc:summary>The toplevel X window identifier</doc:summary>
+        </doc:doc>
+      </arg>
+      <arg type="s" name="reason" direction="in">
+        <doc:doc>
+          <doc:summary>The reason for the inhibit</doc:summary>
+        </doc:doc>
+      </arg>
+      <arg type="u" name="flags" direction="in">
+        <doc:doc>
+          <doc:summary>Flags that specify what should be inhibited</doc:summary>
+        </doc:doc>
+      </arg>
+      <arg type="u" name="inhibit_cookie" direction="out">
+        <doc:doc>
+          <doc:summary>The cookie</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:summary>
+          Proactively indicates that the calling application is performing an action that should not be interrupted and sets a reason to be displayed to the user when an interruption is about to take placea.
+        </doc:summary>
+        <doc:description>
+          <doc:para>Applications should invoke this method when they begin an operation that
+            should not be interrupted, such as creating a CD or DVD.  The types of actions
+            that may be blocked are specified by the flags parameter.  When the application
+            completes the operation it should call <doc:ref type="method" to="org.gnome.SessionManager.Uninhibit">Uninhibit()</doc:ref>
+            or disconnect from the session bus.
+          </doc:para>
+          <doc:para>
+            Applications should not expect that they will always be able to block the
+            action.  In most cases, users will be given the option to force the action
+            to take place.
+          </doc:para>
+          <doc:para>
+            Reasons should be short and to the point.
+          </doc:para>
+          <doc:para>
+            The flags parameter must include at least one of the following:
+            <doc:list>
+              <doc:item>
+                <doc:term>1</doc:term>
+                <doc:definition>Inhibit logging out</doc:definition>
+              </doc:item>
+              <doc:item>
+                <doc:term>2</doc:term>
+                <doc:definition>Inhibit user switching</doc:definition>
+              </doc:item>
+              <doc:item>
+                <doc:term>4</doc:term>
+                <doc:definition>Inhibit suspending the session or computer</doc:definition>
+              </doc:item>
+              <doc:item>
+                <doc:term>8</doc:term>
+                <doc:definition>Inhibit the session being marked as idle</doc:definition>
+              </doc:item>
+              <doc:item>
+                <doc:term>16</doc:term>
+                <doc:definition>Inhibit auto-mounting removable media for the session</doc:definition>
+              </doc:item>
+            </doc:list>
+            Values for flags may be bitwise or'ed together.
+          </doc:para>
+          <doc:para>
+            The returned cookie is used to uniquely identify this request.  It should be used
+            as an argument to <doc:ref type="method" to="org.gnome.SessionManager.Uninhibit">Uninhibit()</doc:ref> in
+            order to remove the request.
+          </doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <method name="Uninhibit">
+      <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
+      <arg type="u" name="inhibit_cookie" direction="in">
+        <doc:doc>
+          <doc:summary>The cookie</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Cancel a previous call to <doc:ref type="method" to="org.gnome.SessionManager.Inhibit">Inhibit()</doc:ref> identified by the cookie.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <method name="IsInhibited">
+      <arg type="u" name="flags" direction="in">
+        <doc:doc>
+          <doc:summary>Flags that spefify what should be inhibited</doc:summary>
+        </doc:doc>
+      </arg>
+      <arg type="b" name="is_inhibited" direction="out">
+        <doc:doc>
+          <doc:summary>Returns TRUE if any of the operations in the bitfield flags are inhibited</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Determine if operation(s) specified by the flags
+            are currently inhibited.  Flags are same as those accepted
+            by the
+            <doc:ref type="method" to="org.gnome.SessionManager.Inhibit">Inhibit()</doc:ref>
+            method.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <method name="GetClients">
+      <arg name="clients" direction="out" type="ao">
+        <doc:doc>
+          <doc:summary>an array of client IDs</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>This gets a list of all the <doc:ref type="interface" to="org.gnome.SessionManager.Client">Clients</doc:ref>
+          that are currently known to the session manager.</doc:para>
+          <doc:para>Each Client ID is an D-Bus object path for the object that implements the
+          <doc:ref type="interface" to="org.gnome.SessionManager.Client">Client</doc:ref> interface.</doc:para>
+        </doc:description>
+        <doc:seealso><doc:ref type="interface" to="org.gnome.SessionManager.Client">org.gnome.SessionManager.Client</doc:ref></doc:seealso>
+      </doc:doc>
+    </method>
+
+    <method name="GetInhibitors">
+      <arg name="inhibitors" direction="out" type="ao">
+        <doc:doc>
+          <doc:summary>an array of inhibitor IDs</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>This gets a list of all the <doc:ref type="interface" to="org.gnome.SessionManager.Inhibitor">Inhibitors</doc:ref>
+          that are currently known to the session manager.</doc:para>
+          <doc:para>Each Inhibitor ID is an D-Bus object path for the object that implements the
+          <doc:ref type="interface" to="org.gnome.SessionManager.Inhibitor">Inhibitor</doc:ref> interface.</doc:para>
+        </doc:description>
+        <doc:seealso><doc:ref type="interface" to="org.gnome.SessionManager.Inhibitor">org.gnome.SessionManager.Inhibitor</doc:ref></doc:seealso>
+      </doc:doc>
+    </method>
+
+
+    <method name="IsAutostartConditionHandled">
+      <arg name="condition" direction="in" type="s">
+        <doc:doc>
+          <doc:summary>The autostart condition string</doc:summary>
+        </doc:doc>
+      </arg>
+      <arg name="handled" direction="out" type="b">
+        <doc:doc>
+          <doc:summary>True if condition is handled, false otherwise</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Allows the caller to determine whether the session manager is
+          handling changes to the specified autostart condition.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <method name="Shutdown">
+      <doc:doc>
+        <doc:description>
+          <doc:para>Request a shutdown dialog.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <method name="Reboot">
+      <doc:doc>
+        <doc:description>
+          <doc:para>Request a reboot dialog.</doc:para>
+        </doc:description>
+      </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>
+          <doc:summary>The type of logout that is being requested</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Request a logout dialog</doc:para>
+          <doc:para>
+            Allowed values for the mode parameter are:
+            <doc:list>
+              <doc:item>
+                <doc:term>0</doc:term>
+                <doc:definition>Normal.</doc:definition>
+              </doc:item>
+              <doc:item>
+                <doc:term>1</doc:term>
+                <doc:definition>No confirmation inferface should be shown.</doc:definition>
+              </doc:item>
+              <doc:item>
+                <doc:term>2</doc:term>
+                <doc:definition>Forcefully logout.  No confirmation will be shown and any inhibitors will be ignored.</doc:definition>
+              </doc:item>
+            </doc:list>
+            Values for flags may be bitwise or'ed together.
+          </doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <method name="IsSessionRunning">
+      <arg name="running" direction="out" type="b">
+        <doc:doc>
+          <doc:summary>True if the session has entered the Running phase, false otherwise</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Allows the caller to determine whether the session manager
+          has entered the Running phase, in case the client missed the
+          SessionRunning signal.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </method>
+
+    <!-- Signals -->
+
+    <signal name="ClientAdded">
+      <arg name="id" type="o">
+        <doc:doc>
+          <doc:summary>The object path for the added client</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Emitted when a client has been added to the session manager.
+          </doc:para>
+        </doc:description>
+      </doc:doc>
+    </signal>
+    <signal name="ClientRemoved">
+      <arg name="id" type="o">
+        <doc:doc>
+          <doc:summary>The object path for the removed client</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Emitted when a client has been removed from the session manager.
+          </doc:para>
+        </doc:description>
+      </doc:doc>
+    </signal>
+
+    <signal name="InhibitorAdded">
+      <arg name="id" type="o">
+        <doc:doc>
+          <doc:summary>The object path for the added inhibitor</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Emitted when an inhibitor has been added to the session manager.
+          </doc:para>
+        </doc:description>
+      </doc:doc>
+    </signal>
+    <signal name="InhibitorRemoved">
+      <arg name="id" type="o">
+        <doc:doc>
+          <doc:summary>The object path for the removed inhibitor</doc:summary>
+        </doc:doc>
+      </arg>
+      <doc:doc>
+        <doc:description>
+          <doc:para>Emitted when an inhibitor has been removed from the session manager.
+          </doc:para>
+        </doc:description>
+      </doc:doc>
+    </signal>
+
+    <signal name="SessionRunning">
+      <doc:doc>
+        <doc:description>
+          <doc:para>Indicates the session has entered the Running phase.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </signal>
+
+    <signal name="SessionOver">
+      <doc:doc>
+        <doc:description>
+          <doc:para>Indicates the session is about to end.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </signal>
+
+    <!-- Properties -->
+
+    <property name="SessionName" type="s" access="read">
+      <doc:doc>
+        <doc:description>
+          <doc:para>The name of the session that has been loaded.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </property>
+
+    <property name="SessionIsActive" type="b" access="read">
+      <doc:doc>
+        <doc:description>
+          <doc:para>If true, the session is currently in the
+          foreground and available for user input.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </property>
+
+    <property name="InhibitedActions" type="u" access="read">
+      <doc:doc>
+        <doc:description>
+          <doc:para>A bitmask of flags to indicate which actions
+          are inhibited. See the Inhibit() function's description
+          for a list of possible values.</doc:para>
+        </doc:description>
+      </doc:doc>
+    </property>
+
+  </interface>
+</node>
diff --git a/src/backend-dbus/users.c b/src/backend-dbus/users.c
new file mode 100644
index 0000000..f770695
--- /dev/null
+++ b/src/backend-dbus/users.c
@@ -0,0 +1,706 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#include "dbus-user.h"
+
+#include "users.h"
+
+struct _IndicatorSessionUsersDbusPriv
+{
+  Login1Manager * login1_manager;
+  Login1Seat * login1_seat;
+  DisplayManagerSeat * dm_seat;
+  Accounts * accounts;
+
+  /* hash table of int uids to UserRecord* */
+  GHashTable * uid_to_account;
+
+  /* a hashset of int uids of users who are logged in */
+  GHashTable * logins;
+
+  /* the user-id of the owner of the active session */
+  guint active_uid;
+
+  /* true if this is a live session */
+  gboolean is_live;
+
+  GCancellable * cancellable;
+
+  guint update_list_tag;
+};
+
+typedef IndicatorSessionUsersDbusPriv priv_t;
+
+G_DEFINE_TYPE (IndicatorSessionUsersDbus,
+               indicator_session_users_dbus,
+               INDICATOR_TYPE_SESSION_USERS)
+
+/***
+****
+***/
+
+struct UserRecord
+{
+  AccountsUser * user;
+
+  gulong signal_id;
+};
+
+struct UserRecord *
+user_record_new (AccountsUser * user, gulong signal_id)
+{
+  struct UserRecord * rec;
+  rec = g_new (struct UserRecord, 1);
+  rec->user = g_object_ref (user);
+  rec->signal_id = signal_id;
+  return rec;
+}
+
+static void
+user_record_free (struct UserRecord * rec)
+{
+  g_signal_handler_disconnect (rec->user, rec->signal_id);
+  g_object_unref (G_OBJECT (rec->user));
+  g_free (rec);
+}
+
+/***
+****
+***/
+
+/* get our private org.freedesktop.Accounts.User proxy for the given uid */
+static AccountsUser *
+get_user_for_uid (IndicatorSessionUsersDbus * self, guint uid)
+{
+  struct UserRecord * rec;
+
+  if ((rec = g_hash_table_lookup (self->priv->uid_to_account,
+                                  GUINT_TO_POINTER(uid))))
+    return rec->user;
+
+  return NULL;
+}
+
+static gboolean
+is_tracked_uid (IndicatorSessionUsersDbus * self, guint uid)
+{
+  return get_user_for_uid (self, uid) != NULL;
+}
+
+static void
+emit_user_added (IndicatorSessionUsersDbus * self, guint32 uid)
+{
+  if (is_tracked_uid (self, uid))
+    indicator_session_users_added (INDICATOR_SESSION_USERS(self), uid);
+}
+
+static void
+emit_user_changed (IndicatorSessionUsersDbus * self, guint32 uid)
+{
+  if (is_tracked_uid (self, uid))
+    indicator_session_users_changed (INDICATOR_SESSION_USERS(self), uid);
+}
+
+static void
+emit_user_removed (IndicatorSessionUsersDbus * self, guint32 uid)
+{
+  indicator_session_users_removed (INDICATOR_SESSION_USERS(self), uid);
+}
+
+/***
+****
+***/
+
+static void
+set_is_live_session_flag (IndicatorSessionUsersDbus * self, gboolean b)
+{
+  priv_t * p = self->priv;
+
+  if (p->is_live != b)
+    {
+      p->is_live = b;
+
+      indicator_session_users_notify_is_live_session (INDICATOR_SESSION_USERS (self));
+    }
+}
+
+static void
+set_active_uid (IndicatorSessionUsersDbus * self, guint uid)
+{
+  priv_t * p = self->priv;
+
+  if (p->active_uid != uid)
+    {
+      const guint old_uid = p->active_uid;
+
+      p->active_uid = uid;
+
+      emit_user_changed (self, old_uid);
+      emit_user_changed (self, uid);
+    }
+}
+
+static void
+set_logins (IndicatorSessionUsersDbus * self, GHashTable * logins)
+{
+  GHashTable * old_logins = self->priv->logins;
+  gpointer uid;
+  GHashTableIter iter;
+
+  self->priv->logins = g_hash_table_ref (logins);
+
+  /* fire 'user changed' event for users who logged out */
+  g_hash_table_iter_init (&iter, old_logins);
+  while ((g_hash_table_iter_next (&iter, &uid, NULL)))
+    if (!g_hash_table_contains (logins, uid))
+      emit_user_changed (self, GPOINTER_TO_UINT(uid));
+
+  /* fire 'user changed' event for users who logged in */
+  g_hash_table_iter_init (&iter, logins);
+  while ((g_hash_table_iter_next (&iter, &uid, NULL)))
+    if (!g_hash_table_contains (old_logins, uid))
+      emit_user_changed (self, GPOINTER_TO_UINT(uid));
+
+  g_hash_table_destroy (old_logins);
+}
+
+/***
+****  User Account Tracking
+***/
+
+static void create_user_proxy_for_path (IndicatorSessionUsersDbus *, const char *);
+
+/* called when a user proxy gets the 'Changed' signal */
+static void
+on_user_changed (AccountsUser * user, gpointer gself)
+{
+  /* Accounts.User doesn't update properties in the standard way,
+   * so create a new proxy to pull in the new properties.
+   * The older proxy is freed when it's replaced in our accounts hash */
+  const char * path = g_dbus_proxy_get_object_path (G_DBUS_PROXY(user));
+  create_user_proxy_for_path (gself, path);
+}
+
+static void
+track_user (IndicatorSessionUsersDbus * self,
+            AccountsUser              * user)
+{
+  const guint32 uid = accounts_user_get_uid (user);
+  priv_t * p = self->priv;
+  gulong id;
+  const gboolean already_had_user = is_tracked_uid (self, uid);
+
+  id  = g_signal_connect (user, "changed", G_CALLBACK(on_user_changed), self);
+  g_hash_table_insert (p->uid_to_account,
+                       GUINT_TO_POINTER (uid),
+                       user_record_new (user, id));
+
+  if (already_had_user)
+    emit_user_changed (self, uid);
+  else
+    emit_user_added (self, uid);
+}
+
+static void
+untrack_user (IndicatorSessionUsersDbus * self,
+              const gchar               * path)
+{
+  guint uid;
+  gpointer key;
+  gpointer val;
+  GHashTableIter iter;
+  priv_t * p = self->priv;
+
+  /* find the uid matching this object path */
+  uid = 0;
+  g_hash_table_iter_init (&iter, p->uid_to_account);
+  while (!uid && g_hash_table_iter_next (&iter, &key, &val))
+    {
+      struct UserRecord * rec = val;
+      GDBusProxy * proxy = G_DBUS_PROXY (rec->user);
+      if (!g_strcmp0 (path, g_dbus_proxy_get_object_path (proxy)))
+        uid = GPOINTER_TO_UINT (key);
+    }
+
+  if (uid)
+    {
+      g_hash_table_remove (p->uid_to_account, GUINT_TO_POINTER(uid)); 
+
+      emit_user_removed (self, uid);
+    }
+}
+
+/* We got a new org.freedesktop.Accounts.User proxy.
+   If it's one we want to remember, pass it to track_user() */
+static void
+on_user_proxy_ready (GObject       * o G_GNUC_UNUSED,
+                     GAsyncResult  * res,
+                     gpointer        self)
+{
+  GError * err;
+  AccountsUser * user;
+
+  err = NULL;
+  user = accounts_user_proxy_new_for_bus_finish (res, &err);
+  if (err != NULL)
+    {
+      if (!g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning ("%s: %s", G_STRFUNC, err->message);
+
+      g_error_free (err);
+    }
+  else
+    {
+      if (!accounts_user_get_system_account (user))
+        track_user (self, user);
+
+      g_object_unref (user);
+    }
+}
+
+static void
+create_user_proxy_for_path (IndicatorSessionUsersDbus * self,
+                            const char                * path)
+{
+  accounts_user_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
+                                   G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES,
+                                   "org.freedesktop.Accounts",
+                                   path,
+                                   self->priv->cancellable,
+                                   on_user_proxy_ready, self);
+}
+
+/* create proxy objects for everything in Account's user-list */
+static void
+on_user_list_ready (GObject * o, GAsyncResult * res, gpointer gself)
+{
+  GError * err;
+  gchar ** paths;
+
+  err = NULL;
+  paths = NULL;
+  accounts_call_list_cached_users_finish (ACCOUNTS(o), &paths, res, &err);
+  if (err != NULL)
+    {
+      if (!g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning ("%s %s: %s", G_STRLOC, G_STRFUNC, err->message);
+
+      g_error_free (err);
+    }
+  else
+    {
+      int i;
+
+      for (i=0; paths && paths[i]; ++i)
+        create_user_proxy_for_path (gself, paths[i]);
+
+      g_strfreev (paths);
+    }
+}
+
+static void
+set_account_manager (IndicatorSessionUsersDbus * self, Accounts * a)
+{
+  priv_t * p = self->priv;
+
+  if (p->accounts != NULL)
+    {
+      g_signal_handlers_disconnect_by_data (p->accounts, self);
+      g_clear_object (&p->accounts);
+    }
+
+  if (a != NULL)
+    {
+      p->accounts = g_object_ref (a);
+
+      accounts_call_list_cached_users (a,
+                                       self->priv->cancellable,
+                                       on_user_list_ready,
+                                       self);
+
+      g_signal_connect_swapped (a, "user-added",
+                                G_CALLBACK(create_user_proxy_for_path), self);
+
+      g_signal_connect_swapped (a, "user-deleted",
+                                G_CALLBACK(untrack_user), self);
+    }
+}
+
+/***
+****
+***/
+
+/* Based on the login1 manager's list of current sessions,
+   update our 'logins', 'is_live', and 'active_uid' fields */
+static void
+on_login1_manager_session_list_ready (GObject      * o,
+                                      GAsyncResult * res,
+                                      gpointer       gself)
+{
+  GVariant * sessions;
+  GError * err;
+
+  sessions = NULL;
+  err = NULL;
+  login1_manager_call_list_sessions_finish (LOGIN1_MANAGER(o),
+                                            &sessions,
+                                            res,
+                                            &err);
+
+  if (err != NULL)
+    {
+      if (!g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning ("%s: %s", G_STRFUNC, err->message);
+
+      g_error_free (err);
+    }
+  else
+    {
+      const gchar * const current_seat_id = g_getenv ("XDG_SEAT");
+      const gchar * const current_session_id = g_getenv ("XDG_SESSION_ID");
+      IndicatorSessionUsersDbus * self = INDICATOR_SESSION_USERS_DBUS (gself);
+      const gchar * session_id = NULL;
+      guint32 uid = 0;
+      const gchar * user_name = NULL;
+      const gchar * seat_id = NULL;
+      const gchar * path = NULL;
+      gboolean is_live_session = FALSE;
+      GHashTable * logins = g_hash_table_new (g_direct_hash, g_direct_equal);
+      GVariantIter iter;
+
+      g_variant_iter_init (&iter, sessions);
+      while (g_variant_iter_loop (&iter, "(&su&s&s&o)", &session_id,
+                                                        &uid,
+                                                        &user_name,
+                                                        &seat_id,
+                                                        &path))
+        {
+          /* only track sessions on our seat */
+          if (g_strcmp0 (seat_id, current_seat_id))
+            continue;
+
+          if (!g_strcmp0 (session_id, current_session_id))
+            {
+              set_active_uid (self, uid);
+
+              if ((uid==999) && !g_strcmp0 (user_name, "ubuntu"))
+                is_live_session = TRUE;
+            }
+
+          g_hash_table_add (logins, GINT_TO_POINTER(uid));
+        }
+
+      set_is_live_session_flag (self, is_live_session);
+      set_logins (self, logins);
+
+      g_hash_table_unref (logins);
+      g_variant_unref (sessions);
+    }
+}
+
+static void
+update_session_list (IndicatorSessionUsersDbus * self)
+{
+  priv_t * p = self->priv;
+
+  if (p->login1_manager != NULL)
+    {
+      login1_manager_call_list_sessions (p->login1_manager,
+                                         p->cancellable,
+                                         on_login1_manager_session_list_ready,
+                                         self);
+    }
+}
+
+static gboolean
+on_update_session_list_timer (gpointer gself)
+{
+  IndicatorSessionUsersDbus * self = INDICATOR_SESSION_USERS_DBUS (gself);
+
+  update_session_list (self);
+
+  self->priv->update_list_tag = 0;
+  return G_SOURCE_REMOVE;
+}
+
+/* A dead session can still show up in list-sessions for a few seconds.
+   So just to be safe, queue up a rebuild for a few seconds from now */
+static void
+update_session_list_twice (IndicatorSessionUsersDbus * self)
+{
+  priv_t * p = self->priv;
+
+  update_session_list (self);
+
+  if (p->update_list_tag == 0)
+    p->update_list_tag = g_timeout_add_seconds (5,
+                                                on_update_session_list_timer,
+                                                self);
+}
+
+static void
+set_login1_manager (IndicatorSessionUsersDbus * self,
+                    Login1Manager             * login1_manager)
+{
+  priv_t * p = self->priv;
+
+  if (p->login1_manager != NULL)
+    {
+      g_signal_handlers_disconnect_by_data (p->login1_manager, self);
+
+      g_clear_object (&p->login1_manager);
+    }
+
+  if (login1_manager != NULL)
+    {
+      p->login1_manager = g_object_ref (login1_manager);
+
+      g_signal_connect_swapped (login1_manager, "session-new",
+                                G_CALLBACK(update_session_list), self);
+      g_signal_connect_swapped (login1_manager, "session-removed",
+                                G_CALLBACK(update_session_list_twice), self);
+      g_signal_connect_swapped (login1_manager, "user-new",
+                                G_CALLBACK(update_session_list), self);
+      g_signal_connect_swapped (login1_manager, "user-removed",
+                                G_CALLBACK(update_session_list_twice), self);
+      update_session_list (self);
+    }
+}
+
+static void
+set_login1_seat (IndicatorSessionUsersDbus * self,
+                 Login1Seat                * login1_seat)
+{
+  priv_t * p = self->priv;
+
+  if (p->login1_seat != NULL)
+    {
+      g_signal_handlers_disconnect_by_data (p->login1_seat, self);
+
+      g_clear_object (&p->login1_seat);
+    }
+
+  if (login1_seat != NULL)
+    {
+      p->login1_seat = g_object_ref (login1_seat);
+
+      g_signal_connect_swapped (login1_seat, "notify::active-session",
+                                G_CALLBACK(update_session_list), self);
+      update_session_list (self);
+    }
+}
+
+static void
+set_display_manager_seat (IndicatorSessionUsersDbus * self,
+                          DisplayManagerSeat        * dm_seat)
+{
+  priv_t * p = self->priv;
+
+  g_clear_object (&p->dm_seat);
+
+  if (dm_seat != NULL)
+    p->dm_seat = g_object_ref (dm_seat);
+}
+
+/***
+****  IndicatorSessionUsers virtual functions
+***/
+
+/* switch to (or create) a session for the specified user */
+static void
+my_activate_user (IndicatorSessionUsers * users, guint uid)
+{
+  IndicatorSessionUsersDbus * self = INDICATOR_SESSION_USERS_DBUS(users);
+  priv_t * p = self->priv;
+  AccountsUser * au;
+  const char * username;
+
+  au = get_user_for_uid (self, uid);
+  username = au ? accounts_user_get_user_name (au) : NULL;
+
+  if (!username)
+    {
+      g_warning ("%s %s can't find user '%u'", G_STRLOC, G_STRFUNC, uid);
+    }
+  else
+    {
+      g_return_if_fail (p->dm_seat != NULL);
+
+      display_manager_seat_call_switch_to_user (p->dm_seat,
+                                                username,
+                                                "",
+                                                p->cancellable,
+                                                NULL,
+                                                NULL);
+    }
+}
+
+/* returns true if this is a live session */
+static gboolean
+my_is_live_session (IndicatorSessionUsers * users)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_USERS_DBUS(users), FALSE);
+
+  return INDICATOR_SESSION_USERS_DBUS(users)->priv->is_live;
+}
+
+/* get a list of our user ids */
+static GList *
+my_get_uids (IndicatorSessionUsers * users)
+{
+  IndicatorSessionUsersDbus * self = INDICATOR_SESSION_USERS_DBUS (users);
+  return g_hash_table_get_keys (self->priv->uid_to_account);
+}
+
+/* build a new struct populated with info on the specified user */
+static IndicatorSessionUser *
+my_get_user (IndicatorSessionUsers * users, guint uid)
+{
+  IndicatorSessionUsersDbus * self = INDICATOR_SESSION_USERS_DBUS (users);
+  priv_t * p = self->priv;
+  IndicatorSessionUser * ret;
+  AccountsUser * au;
+
+  ret = NULL;
+  au = get_user_for_uid (self, uid);
+  if (au && !accounts_user_get_system_account(au))
+    {
+      g_assert (uid == accounts_user_get_uid (au));
+
+      ret = g_new0 (IndicatorSessionUser, 1);
+      ret->uid = uid;
+      ret->user_name = g_strdup (accounts_user_get_user_name (au));
+      ret->real_name = g_strdup (accounts_user_get_real_name (au));
+      ret->icon_file = g_strdup (accounts_user_get_icon_file (au));
+      ret->login_frequency = accounts_user_get_login_frequency (au);
+      ret->is_logged_in = g_hash_table_contains (p->logins, GINT_TO_POINTER(uid));
+      ret->is_current_user = uid == p->active_uid;
+    }
+
+  return ret;
+}
+
+/***
+****  GObject virtual functions
+***/
+
+static void
+my_dispose (GObject * o)
+{
+  IndicatorSessionUsersDbus * self = INDICATOR_SESSION_USERS_DBUS (o);
+  priv_t * p = self->priv;
+
+  if (p->update_list_tag != 0)
+    {
+      g_source_remove (p->update_list_tag);
+      p->update_list_tag = 0;
+    }
+
+  if (p->cancellable)
+    {
+      g_cancellable_cancel (p->cancellable);
+      g_clear_object (&p->cancellable);
+    }
+
+  set_account_manager (self, NULL);
+  set_display_manager_seat (self, NULL);
+  set_login1_seat (self, NULL);
+  set_login1_manager (self, NULL);
+
+  g_hash_table_remove_all (p->uid_to_account);
+
+  G_OBJECT_CLASS (indicator_session_users_dbus_parent_class)->dispose (o);
+}
+
+static void
+my_finalize (GObject * o)
+{
+  IndicatorSessionUsersDbus * self = INDICATOR_SESSION_USERS_DBUS (o);
+  priv_t * p = self->priv;
+
+  g_hash_table_destroy (p->logins);
+  g_hash_table_destroy (p->uid_to_account);
+
+  G_OBJECT_CLASS (indicator_session_users_dbus_parent_class)->finalize (o);
+}
+
+static void
+indicator_session_users_dbus_class_init (IndicatorSessionUsersDbusClass * klass)
+{
+  GObjectClass * object_class;
+  IndicatorSessionUsersClass * users_class;
+
+  object_class = G_OBJECT_CLASS (klass);
+  object_class->dispose = my_dispose;
+  object_class->finalize = my_finalize;
+
+  users_class = INDICATOR_SESSION_USERS_CLASS (klass);
+  users_class->is_live_session = my_is_live_session;
+  users_class->get_uids = my_get_uids;
+  users_class->get_user = my_get_user;
+  users_class->activate_user = my_activate_user;
+
+  g_type_class_add_private (klass, sizeof (IndicatorSessionUsersDbusPriv));
+}
+
+static void
+indicator_session_users_dbus_init (IndicatorSessionUsersDbus * self)
+{
+  priv_t * p;
+
+  p = G_TYPE_INSTANCE_GET_PRIVATE (self,
+                                   INDICATOR_TYPE_SESSION_USERS_DBUS,
+                                   IndicatorSessionUsersDbusPriv);
+  self->priv = p;
+  p->cancellable = g_cancellable_new ();
+
+  p->uid_to_account = g_hash_table_new_full (g_direct_hash,
+                                             g_direct_equal,
+                                             NULL,
+                                             (GDestroyNotify)user_record_free);
+
+  p->logins = g_hash_table_new (g_direct_hash, g_direct_equal);
+}
+
+/***
+****  Public
+***/
+
+IndicatorSessionUsers *
+indicator_session_users_dbus_new (void)
+{
+  gpointer o = g_object_new (INDICATOR_TYPE_SESSION_USERS_DBUS, NULL);
+
+  return INDICATOR_SESSION_USERS (o);
+}
+
+void
+indicator_session_users_dbus_set_proxies (IndicatorSessionUsersDbus * self,
+                                          Login1Manager             * login1_manager,
+                                          Login1Seat                * login1_seat,
+                                          DisplayManagerSeat        * dm_seat,
+                                          Accounts                  * accounts)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_USERS_DBUS (self));
+
+  set_login1_manager (self, login1_manager);
+  set_login1_seat (self, login1_seat);
+  set_display_manager_seat (self, dm_seat);
+  set_account_manager (self, accounts);
+}
diff --git a/src/backend-dbus/users.h b/src/backend-dbus/users.h
new file mode 100644
index 0000000..d6c17df
--- /dev/null
+++ b/src/backend-dbus/users.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#ifndef __USERS_DBUS_H__
+#define __USERS_DBUS_H__
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include "../users.h" /* parent class */
+#include "dbus-accounts.h"
+#include "dbus-login1-manager.h"
+#include "dbus-login1-seat.h"
+#include "dbus-display-manager.h"
+
+G_BEGIN_DECLS
+
+#define INDICATOR_TYPE_SESSION_USERS_DBUS          (indicator_session_users_dbus_get_type())
+#define INDICATOR_SESSION_USERS_DBUS(o)            (G_TYPE_CHECK_INSTANCE_CAST ((o), INDICATOR_TYPE_SESSION_USERS_DBUS, IndicatorSessionUsersDbus))
+#define INDICATOR_SESSION_USERS_DBUS_GET_CLASS(o)  (G_TYPE_INSTANCE_GET_CLASS ((o), INDICATOR_TYPE_SESSION_USERS_DBUS, IndicatorSessionUsersDbusClass))
+#define INDICATOR_IS_SESSION_USERS_DBUS(o)         (G_TYPE_CHECK_INSTANCE_TYPE ((o), INDICATOR_TYPE_SESSION_USERS_DBUS))
+
+typedef struct _IndicatorSessionUsersDbus        IndicatorSessionUsersDbus;
+typedef struct _IndicatorSessionUsersDbusPriv    IndicatorSessionUsersDbusPriv;
+typedef struct _IndicatorSessionUsersDbusClass   IndicatorSessionUsersDbusClass;
+
+/**
+ * An implementation of IndicatorSessionUsers that gets its user information
+ * from org.freedesktop.login1 and org.freedesktop.Accounts over DBus.
+ */
+struct _IndicatorSessionUsersDbus
+{
+  /*< private >*/
+  IndicatorSessionUsers parent;
+  IndicatorSessionUsersDbusPriv * priv;
+};
+
+struct _IndicatorSessionUsersDbusClass
+{
+  IndicatorSessionUsersClass parent_class;
+};
+
+GType indicator_session_users_dbus_get_type (void);
+
+IndicatorSessionUsers * indicator_session_users_dbus_new (void);
+
+void indicator_session_users_dbus_set_proxies (IndicatorSessionUsersDbus *,
+                                               Login1Manager             *,
+                                               Login1Seat                *,
+                                               DisplayManagerSeat        *,
+                                               Accounts                  *);
+
+
+
+G_END_DECLS
+
+#endif
diff --git a/src/backend-dbus/utils.c b/src/backend-dbus/utils.c
new file mode 100644
index 0000000..bc862e8
--- /dev/null
+++ b/src/backend-dbus/utils.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#include "utils.h"
+
+/***
+**** indicator_session_util_get_session_proxies()
+***/
+
+struct session_proxy_data
+{
+  Login1Manager * login1_manager;
+  Login1Seat * login1_seat;
+  DisplayManagerSeat * dm_seat;
+  Accounts * account_manager;
+
+  GCancellable * cancellable;
+  int pending;
+
+  indicator_session_util_session_proxies_func callback;
+  gpointer user_data;
+};
+
+
+static void
+on_proxy_ready_impl (struct session_proxy_data * data,
+                     gsize                       member_offset,
+                     GError                    * err,
+                     gpointer                    proxy)
+{
+  if (err != NULL)
+    {
+      if (!g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning ("%s %s: %s", G_STRLOC, G_STRFUNC, err->message);
+
+      g_error_free (err);
+    }
+  else
+    {
+      *((gpointer*)G_STRUCT_MEMBER_P(data, member_offset)) = proxy;
+    }
+
+  if (!--data->pending)
+    {
+      data->callback (data->login1_manager,
+                      data->login1_seat,
+                      data->dm_seat,
+                      data->account_manager,
+                      data->cancellable,
+                      data->user_data);
+
+      g_clear_object (&data->login1_manager);
+      g_clear_object (&data->login1_seat);
+      g_clear_object (&data->dm_seat);
+      g_clear_object (&data->account_manager);
+      g_clear_object (&data->cancellable);
+      g_free (data);
+    }
+}
+    
+static void
+on_display_manager_seat_proxy_ready (GObject      * o G_GNUC_UNUSED,
+                                     GAsyncResult * res,
+                                     gpointer       gdata)
+{
+  gsize offset = G_STRUCT_OFFSET (struct session_proxy_data, dm_seat);
+  GError * err = NULL;
+  gpointer proxy = display_manager_seat_proxy_new_for_bus_finish (res, &err);
+  on_proxy_ready_impl (gdata, offset, err, proxy);
+}
+
+static void
+on_login1_seat_ready (GObject      * o G_GNUC_UNUSED,
+                      GAsyncResult * res,
+                      gpointer       gdata)
+{
+  gsize offset = G_STRUCT_OFFSET (struct session_proxy_data, login1_seat);
+  GError * err = NULL;
+  gpointer proxy = login1_seat_proxy_new_for_bus_finish (res,  &err);
+  on_proxy_ready_impl (gdata, offset, err, proxy);
+}
+
+static void
+on_login1_manager_ready (GObject      * o G_GNUC_UNUSED,
+                         GAsyncResult * res,
+                         gpointer       gdata)
+{
+  gsize offset = G_STRUCT_OFFSET (struct session_proxy_data, login1_manager);
+  GError * err = NULL;
+  gpointer proxy = login1_manager_proxy_new_for_bus_finish (res, &err);
+  on_proxy_ready_impl (gdata, offset, err, proxy);
+}
+
+static void
+on_accounts_proxy_ready (GObject      * o G_GNUC_UNUSED,
+                         GAsyncResult * res,
+                         gpointer       gdata)
+{
+  gsize offset = G_STRUCT_OFFSET (struct session_proxy_data, account_manager);
+  GError * err = NULL;
+  gpointer proxy = accounts_proxy_new_for_bus_finish (res, &err);
+  on_proxy_ready_impl (gdata, offset, err, proxy);
+}
+
+/* helper utility to get the dbus proxies used by the backend-dbus classes */
+void
+indicator_session_util_get_session_proxies (
+                     indicator_session_util_session_proxies_func   func,
+                     GCancellable                                * cancellable,
+                     gpointer                                      user_data)
+{
+  struct session_proxy_data * data;
+  const char * str;
+
+  data = g_new0 (struct session_proxy_data, 1);
+  data->callback = func;
+  data->user_data = user_data;
+  data->cancellable = g_object_ref (cancellable);
+
+  /* login1 */
+  data->pending++;
+  login1_manager_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
+                                    G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES,
+                                    "org.freedesktop.login1",
+                                    "/org/freedesktop/login1",
+                                    data->cancellable,
+                                    on_login1_manager_ready, data);
+
+  /* login1 seat */
+  if ((str = g_getenv ("XDG_SEAT")))
+    {
+      char * path;
+      data->pending++;
+      path = g_strconcat ("/org/freedesktop/login1/seat/", str, NULL);
+      login1_seat_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
+                                 G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES,
+                                 "org.freedesktop.login1",
+                                 path,
+                                 data->cancellable,
+                                 on_login1_seat_ready,
+                                 data);
+      g_free (path);
+    }
+
+  /* Accounts */
+  data->pending++;
+  accounts_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
+                              G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES,
+                              "org.freedesktop.Accounts",
+                              "/org/freedesktop/Accounts",
+                              data->cancellable,
+                              on_accounts_proxy_ready, data);
+
+  /* DisplayManager seat */
+  if ((str = g_getenv ("XDG_SEAT_PATH")))
+    {
+      data->pending++;
+      display_manager_seat_proxy_new_for_bus (
+                               G_BUS_TYPE_SYSTEM,
+                               G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES,
+                               "org.freedesktop.DisplayManager",
+                               str,
+                               data->cancellable,
+                               on_display_manager_seat_proxy_ready, data);
+    }
+}
diff --git a/src/backend-dbus/utils.h b/src/backend-dbus/utils.h
new file mode 100644
index 0000000..802dd5e
--- /dev/null
+++ b/src/backend-dbus/utils.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#ifndef __DBUS_UTILS_H__
+#define __DBUS_UTILS_H__
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include "dbus-accounts.h"
+#include "dbus-display-manager.h"
+#include "dbus-login1-manager.h"
+#include "dbus-login1-seat.h"
+
+typedef void (*indicator_session_util_session_proxies_func)(
+                   Login1Manager      * login1_manager,
+                   Login1Seat         * login1_seat,
+                   DisplayManagerSeat * display_manager_seat,
+                   Accounts           * account_manager,
+                   GCancellable       * cancellable,
+                   gpointer             user_data);
+
+/**
+ * Both users-dbus and guest-dbus need some of these proxies.
+ * Getting them all involves a lot of steps, so instead of repeating
+ * ourselves, the common dbus steps are extracted to this func.
+ */
+void indicator_session_util_get_session_proxies (
+                   indicator_session_util_session_proxies_func   func,
+                   GCancellable                                * cancellable,
+                   gpointer                                      user_data);
+
+#endif
diff --git a/src/backend.h b/src/backend.h
new file mode 100644
index 0000000..2df215d
--- /dev/null
+++ b/src/backend.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#ifndef __INDICATOR_SESSION_BACKEND_H__
+#define __INDICATOR_SESSION_BACKEND_H__
+
+#include <gio/gio.h> /* GCancellable */
+
+#include "actions.h"
+#include "guest.h"
+#include "users.h"
+
+G_BEGIN_DECLS
+
+/**
+ * Gets instances of the backend abstract base classes.
+ * These are how IndicatorSystemService knows what's happening on the system.
+ *
+ * This function isn't defined in libindicatorsessionservice.
+ * Instead, one of two implementations is statically linked at build time:
+ * one for production in libbackenddbus (in src/backend-dbus/) or
+ * one for testing in libbackendmock (in tests/).
+ */
+void backend_get (GCancellable             * cancellable,
+                  IndicatorSessionActions ** setme_actions,
+                  IndicatorSessionUsers   ** setme_users,
+                  IndicatorSessionGuest   ** setme_guest);
+
+G_END_DECLS
+
+#endif
diff --git a/src/dialog.c b/src/dialog.c
deleted file mode 100644
index f97475e..0000000
--- a/src/dialog.c
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
-A dialog to ask the user about the various logout options that
-are available.
-
-Copyright 2010 Canonical Ltd.
-
-Authors:
-    Ted Gould <ted@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 <glib/gi18n.h>
-
-#include "dbus-login1-manager.h"
-#include "dialog.h"
-
-/* Strings */
-
-static const gchar * title_strings[LOGOUT_DIALOG_TYPE_CNT] = {
-	/* LOGOUT_DIALOG_LOGOUT, */ 	NC_("title", "Log Out"),
-	/* LOGOUT_DIALOG_RESTART, */	NC_("title", "Restart"),
-	/* LOGOUT_DIALOG_SHUTDOWN, */	NC_("title", "Shut Down")
-};
-
-static const gchar * body_strings[LOGOUT_DIALOG_TYPE_CNT] = {
-	/* LOGOUT_DIALOG_LOGOUT, */ 	N_("Are you sure you want to close all programs and log out of the computer?"),
-	/* LOGOUT_DIALOG_RESTART, */	N_("Are you sure you want to close all programs and restart the computer?"),
-	/* LOGOUT_DIALOG_SHUTDOWN, */	N_("Are you sure you want to close all programs and shut down the computer?")
-};
-
-static const gchar * button_strings[LOGOUT_DIALOG_TYPE_CNT] = {
-	/* LOGOUT_DIALOG_LOGOUT, */ 	NC_("button", "Log Out"),
-	/* LOGOUT_DIALOG_RESTART, */	NC_("button", "Restart"),
-	/* LOGOUT_DIALOG_SHUTDOWN, */	NC_("button", "Shut Down")
-};
-
-/* TRANSLATORS: These strings have an ellipsis so that the user knows
-   they are also going to get a password dialog to do the action. */
-static const gchar * button_auth_strings[LOGOUT_DIALOG_TYPE_CNT] = {
-	/* LOGOUT_DIALOG_LOGOUT, */ 	NC_("button auth", "Log Out"),
-	/* LOGOUT_DIALOG_RESTART, */	NC_("button auth", "Restart…"),
-	/* LOGOUT_DIALOG_SHUTDOWN, */	NC_("button auth", "Shut Down…")
-};
-
-/* TRANSLATORS: This button appears on the logout dialog when
-   there are updates that require restart.  It will do a restart
-   in place of a log out. */
-static const gchar * restart_updates = N_("Restart Instead");
-static const gchar * restart_auth = N_("Restart Instead…");
-static const gchar * body_logout_update = N_("Some software updates won’t apply until the computer next restarts.");
-
-static const gchar * icon_strings[LOGOUT_DIALOG_TYPE_CNT] = {
-	/* LOGOUT_DIALOG_LOGOUT, */ 	"system-log-out",
-	/* LOGOUT_DIALOG_RESTART, */	"system-restart",
-	/* LOGOUT_DIALOG_SHUTDOWN, */	"system-shutdown"
-};
-
-
-
-typedef struct _LogoutDialogPrivate LogoutDialogPrivate;
-struct _LogoutDialogPrivate {
-	guint type;
-};
-
-#define LOGOUT_DIALOG_GET_PRIVATE(o) \
-(G_TYPE_INSTANCE_GET_PRIVATE ((o), LOGOUT_DIALOG_TYPE, LogoutDialogPrivate))
-
-static void logout_dialog_class_init (LogoutDialogClass *klass);
-static void logout_dialog_init       (LogoutDialog *self);
-static void logout_dialog_dispose    (GObject *object);
-static void logout_dialog_finalize   (GObject *object);
-
-G_DEFINE_TYPE (LogoutDialog, logout_dialog, GTK_TYPE_MESSAGE_DIALOG);
-
-static void
-logout_dialog_class_init (LogoutDialogClass *klass)
-{
-	GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-	g_type_class_add_private (klass, sizeof (LogoutDialogPrivate));
-
-	object_class->dispose = logout_dialog_dispose;
-	object_class->finalize = logout_dialog_finalize;
-
-	return;
-}
-
-static void
-logout_dialog_init (LogoutDialog *self)
-{
-
-	return;
-}
-
-static void
-logout_dialog_dispose (GObject *object)
-{
-
-
-	G_OBJECT_CLASS (logout_dialog_parent_class)->dispose (object);
-	return;
-}
-
-static void
-logout_dialog_finalize (GObject *object)
-{
-
-
-	G_OBJECT_CLASS (logout_dialog_parent_class)->finalize (object);
-	return;
-}
-
-/* Checks for updates that would signal that a restart is
-   required for them to apply */
-static gboolean
-check_restart_required (void)
-{
-	return g_file_test("/var/run/reboot-required", G_FILE_TEST_EXISTS);
-}
-
-/* Checks with logind to see if we can do what we want */
-static gboolean
-logind_check_allowed (LogoutDialogType type)
-{
-	gchar * allowed = NULL;
-
-	Login1Manager * manager_proxy = login1_manager_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
-	                                                                       G_DBUS_PROXY_FLAGS_NONE,
-	                                                                       "org.freedesktop.login1",
-	                                                                       "/org/freedesktop/login1",
-	                                                                       NULL,
-	                                                                       NULL);
-	if (manager_proxy != NULL)
-	{
-		switch (type) {
-		case LOGOUT_DIALOG_TYPE_RESTART:
-			login1_manager_call_can_reboot_sync (manager_proxy, &allowed, NULL, NULL);
-			break;
-		case LOGOUT_DIALOG_TYPE_SHUTDOWN:
-			login1_manager_call_can_power_off_sync (manager_proxy, &allowed, NULL, NULL);
-			break;
-		default:
-			break;
-		}
-
-		g_object_unref(manager_proxy);
-	}
-
-	return g_strcmp0 (allowed, "yes") == 0;
-}
-
-LogoutDialog *
-logout_dialog_new (LogoutDialogType type)
-{
-	GtkWidget * image = gtk_image_new_from_icon_name(icon_strings[type], GTK_ICON_SIZE_DIALOG);
-	gtk_widget_show(image);
-
-	LogoutDialog * dialog = LOGOUT_DIALOG(g_object_new(LOGOUT_DIALOG_TYPE,
-	                                      /* Window */
-	                                      "icon-name", icon_strings[type],
-	                                      "modal", TRUE,
-	                                      "resizable", FALSE,
-	                                      "title", g_dpgettext2 (NULL, "title", title_strings[type]),
-	                                      "window-position", GTK_WIN_POS_CENTER_ALWAYS,
-	                                      /* Message Dialog */
-	                                      "buttons", GTK_BUTTONS_NONE,
-	                                      "image", image,
-	                                      "message-type", GTK_MESSAGE_OTHER,
-	                                      "text", _(body_strings[type]),
-	                                      NULL));
-
-	gtk_window_set_keep_above(GTK_WINDOW(dialog), TRUE);
-
-	gboolean allowed = FALSE;
-	if (type == LOGOUT_DIALOG_TYPE_LOG_OUT) {
-		allowed = logind_check_allowed(LOGOUT_DIALOG_TYPE_RESTART);
-	} else {
-		allowed = logind_check_allowed(type);
-	}
-
-	gboolean restart_required = FALSE;
-	if (type == LOGOUT_DIALOG_TYPE_LOG_OUT) {
-		restart_required = check_restart_required();
-	}
-
-	const gchar * button_text;
-	if (allowed) {
-		button_text = g_dpgettext2 (NULL, "button", button_strings[type]);
-	} else {
-		button_text = g_dpgettext2 (NULL, "button auth", button_auth_strings[type]);
-	}
-
-	if (restart_required) {
-		const gchar * restart_req;
-		if (allowed) {
-			restart_req = restart_updates;
-		} else {
-			restart_req = restart_auth;
-		}
-
-		g_object_set(dialog, "secondary-text", _(body_logout_update), NULL);
-
-		gtk_dialog_add_buttons(GTK_DIALOG(dialog),
-		                       _(restart_req), GTK_RESPONSE_HELP,
-		                       _("Cancel"), GTK_RESPONSE_CANCEL,
-		                       button_text, GTK_RESPONSE_OK,
-		                       NULL);
-	} else {
-		gtk_dialog_add_buttons(GTK_DIALOG(dialog),
-		                       _("Cancel"), GTK_RESPONSE_CANCEL,
-		                       button_text, GTK_RESPONSE_OK,
-		                       NULL);
-	}
-
-	gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_OK);
-
-        /* The following  is a workaround to fix an issue in GtkMessageDialog
-           in which the user can tab through the text in addition to
-           the buttons. */
-        GtkWidget *message_area = gtk_message_dialog_get_message_area(GTK_MESSAGE_DIALOG(dialog));
-        GList *children = gtk_container_get_children(GTK_CONTAINER(message_area));
-        GList *l;
-
-        for (l = children; l != NULL; l = g_list_next (l))
-        {
-                GtkWidget *child = l->data;
-                gtk_widget_set_can_focus(child, FALSE);
-        }
-
-        g_list_free (children);
-
-	return dialog;
-}
diff --git a/src/dialog.h b/src/dialog.h
deleted file mode 100644
index 18a55a7..0000000
--- a/src/dialog.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-A dialog to ask the user about the various logout options that
-are available.
-
-Copyright 2010 Canonical Ltd.
-
-Authors:
-    Ted Gould <ted@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/>.
-*/
-
-#ifndef __LOGOUT_DIALOG_H__
-#define __LOGOUT_DIALOG_H__
-
-#include <glib.h>
-#include <glib-object.h>
-
-#include <gtk/gtk.h>
-
-G_BEGIN_DECLS
-
-#define LOGOUT_DIALOG_TYPE            (logout_dialog_get_type ())
-#define LOGOUT_DIALOG(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), LOGOUT_DIALOG_TYPE, LogoutDialog))
-#define LOGOUT_DIALOG_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), LOGOUT_DIALOG_TYPE, LogoutDialogClass))
-#define IS_LOGOUT_DIALOG(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), LOGOUT_DIALOG_TYPE))
-#define IS_LOGOUT_DIALOG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), LOGOUT_DIALOG_TYPE))
-#define LOGOUT_DIALOG_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), LOGOUT_DIALOG_TYPE, LogoutDialogClass))
-
-typedef enum _LogoutDialogType LogoutDialogType;
-enum _LogoutDialogType {
-	LOGOUT_DIALOG_TYPE_LOG_OUT,
-	LOGOUT_DIALOG_TYPE_RESTART,
-	LOGOUT_DIALOG_TYPE_SHUTDOWN,
-	LOGOUT_DIALOG_TYPE_CNT
-};
-
-typedef struct _LogoutDialog      LogoutDialog;
-typedef struct _LogoutDialogClass LogoutDialogClass;
-
-struct _LogoutDialogClass {
-	GtkMessageDialogClass parent_class;
-};
-
-struct _LogoutDialog {
-	GtkMessageDialog parent;
-};
-
-GType logout_dialog_get_type (void);
-LogoutDialog * logout_dialog_new (LogoutDialogType type);
-
-G_END_DECLS
-
-#endif
diff --git a/src/gtk-logout-helper.c b/src/gtk-logout-helper.c
deleted file mode 100644
index 12f2198..0000000
--- a/src/gtk-logout-helper.c
+++ /dev/null
@@ -1,264 +0,0 @@
-/*
-A small wrapper utility to load indicators and put them as menu items
-into the gnome-panel using it's applet interface.
-
-Copyright 2009 Canonical Ltd.
-
-Authors:
-    Ted Gould <ted@canonical.com>
-    Christoph Korn <c_korn@gmx.de>
-
-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/>.
-*/
-
-#include "config.h"
-
-#include <locale.h>
-#include <glib.h>
-#include <glib/gi18n.h> /* textdomain(), bindtextdomain() */
-#include <gtk/gtk.h>
-#include "dialog.h"
-#include "shared-names.h"
-
-static GVariant *
-call_logind (const gchar *method, GVariant *parameters, GError **error)
-{
-	GDBusConnection * bus = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, error);
-	if (!bus)
-	{
-		g_variant_unref (parameters);
-		return NULL;
-	}
-
-	GVariant *result = g_dbus_connection_call_sync(bus,
-	                                               "org.freedesktop.login1",
-	                                               "/org/freedesktop/login1",
-	                                               "org.freedesktop.login1.Manager",
-	                                               method,
-	                                               parameters,
-	                                               NULL,
-	                                               G_DBUS_CALL_FLAGS_NONE,
-	                                               -1,
-	                                               NULL,
-	                                               error);
-	g_object_unref (bus);
-
-	return result;
-}
-
-static void
-logind_fallback (LogoutDialogType action)
-{
-	GError * error = NULL;
-	GVariant *result = NULL;
-
-	g_debug("Falling back to using logind for action");
-
-	switch (action) {
-		case LOGOUT_DIALOG_TYPE_LOG_OUT:
-			g_warning("Unable to fallback to logind for logout as it's a session issue.  We need some sort of session handler.");
-			break;
-		case LOGOUT_DIALOG_TYPE_SHUTDOWN:
-			g_debug("Telling logind to 'PowerOff'");
-			result = call_logind ("PowerOff", g_variant_new ("(b)", FALSE), &error);
-			break;
-		case LOGOUT_DIALOG_TYPE_RESTART:
-			g_debug("Telling logind to 'Reboot'");
-			result = call_logind ("Reboot", g_variant_new ("(b)", FALSE), &error);
-			break;
-		default:
-			g_warning("Unknown action");
-			break;
-	}
-
-	if (!result) {
-		if (error != NULL) {
-			g_warning ("logind action failed: %s", error->message);
-		} else {
-			g_warning ("logind action failed: unknown error");
-		}
-	}
-	else
-		g_variant_unref (result);
-	g_clear_error (&error);
-
-	return;
-}
-
-static GVariant *
-call_gnome_session (const gchar *method, GVariant *parameters, GError **error)
-{
-	GDBusConnection * bus = g_bus_get_sync(G_BUS_TYPE_SESSION, NULL, error);
-	if (!bus)
-	{
-		g_variant_unref (parameters);
-		return NULL;
-	}
-  
-	GVariant *result = g_dbus_connection_call_sync(bus,
-	                                               "org.gnome.SessionManager",
-	                                               "/org/gnome/SessionManager",
-	                                               "org.gnome.SessionManager",
-	                                               method,
-	                                               parameters,
-	                                               NULL,
-	                                               G_DBUS_CALL_FLAGS_NONE,
-	                                               G_MAXINT,
-	                                               NULL,
-	                                               error);
-	g_object_unref (bus);
-
-	return result;
-}
-
-static void
-session_action (LogoutDialogType action)
-{
-	GError * error = NULL;
-	GVariant *result = NULL;
-
-	if (action == LOGOUT_DIALOG_TYPE_LOG_OUT) {
-		g_debug("Asking Session manager to 'Logout'");
-		result = call_gnome_session ("Logout", g_variant_new ("(u)", 1), &error);
-	} else if (action == LOGOUT_DIALOG_TYPE_SHUTDOWN) {
-		g_debug("Asking Session manager to 'RequestShutdown'");
-		result = call_gnome_session ("RequestShutdown", g_variant_new ("()"), &error);
-	} else if (action == LOGOUT_DIALOG_TYPE_RESTART) {
-		g_debug("Asking Session manager to 'RequestReboot'");
-		result = call_gnome_session ("RequestReboot", g_variant_new ("()"), &error);
-	} else {
-		g_warning ("Unknown session action");
-	}
-	
-	if (!result) {
-		if (error != NULL) {
-			g_warning ("SessionManager action failed: %s", error->message);
-		} else {
-			g_warning ("SessionManager action failed: unknown error");
-		}
-
-		logind_fallback(action);
-	}
-	else
-		g_variant_unref (result);
-	g_clear_error (&error);
-	
-	return;
-}	
-
-static LogoutDialogType type = LOGOUT_DIALOG_TYPE_LOG_OUT;
-
-static gboolean
-option_logout (const gchar * arg, const gchar * value, gpointer data, GError * error)
-{
-	type = LOGOUT_DIALOG_TYPE_LOG_OUT;
-	g_debug("Dialog type: logout");
-	return TRUE;
-}
-
-static gboolean
-option_shutdown (const gchar * arg, const gchar * value, gpointer data, GError * error)
-{
-	type = LOGOUT_DIALOG_TYPE_SHUTDOWN;
-	g_debug("Dialog type: shutdown");
-	return TRUE;
-}
-
-static gboolean
-option_restart (const gchar * arg, const gchar * value, gpointer data, GError * error)
-{
-	type = LOGOUT_DIALOG_TYPE_RESTART;
-	g_debug("Dialog type: restart");
-	return TRUE;
-}
-
-static GOptionEntry options[] = {
-	{"logout",     'l',  G_OPTION_FLAG_NO_ARG,  G_OPTION_ARG_CALLBACK,  option_logout,   "Log out of the current session",   NULL},
-	{"shutdown",   's',  G_OPTION_FLAG_NO_ARG,  G_OPTION_ARG_CALLBACK,  option_shutdown, "Switch off the entire system",     NULL},
-	{"restart",    'r',  G_OPTION_FLAG_NO_ARG,  G_OPTION_ARG_CALLBACK,  option_restart,  "Restart the system",               NULL},
-
-	{NULL}
-};
-
-static gboolean
-suppress_confirmations (void)
-{
-  GSettings * s = g_settings_new (SESSION_SCHEMA);
-  const gboolean suppress = g_settings_get_boolean (s, SUPPRESS_KEY);
-  g_clear_object (&s);
-  return suppress;
-}
-
-
-
-int
-main (int argc, char * argv[])
-{
-	gtk_init(&argc, &argv);
-
-	/* Setting up i18n and gettext.  Apparently, we need
-	   all of these. */
-	setlocale (LC_ALL, "");
-	bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
-	textdomain (GETTEXT_PACKAGE);
-
-	GError * error = NULL;
-	GOptionContext * context = g_option_context_new(" - logout of the current session");
-	g_option_context_add_main_entries(context, options, "gtk-logout-helper");
-	g_option_context_add_group(context, gtk_get_option_group(TRUE));
-	g_option_context_set_help_enabled(context, TRUE);
-
-	if (!g_option_context_parse(context, &argc, &argv, &error)) {
-		g_debug("Option parsing failed: %s", error->message);
-		g_error_free(error);
-		return 1;
-	}
-
-	/* Init some theme/icon stuff */
-	gtk_icon_theme_append_search_path(gtk_icon_theme_get_default(),
-	                                  INDICATOR_ICONS_DIR);
-
-	GtkWidget * dialog = NULL;
-	if (!suppress_confirmations()) {
-		g_debug("Showing dialog to ask for user confirmation");
-		dialog = GTK_WIDGET(logout_dialog_new(type));
-	}
-
-	if (dialog != NULL) {
-		GtkResponseType response = gtk_dialog_run(GTK_DIALOG(dialog));
-		gtk_widget_hide(dialog);
-
-		if (response == GTK_RESPONSE_OK) {
-			g_debug("Dialog return response: 'okay'");
-		} else if (response == GTK_RESPONSE_HELP) {
-			g_debug("Dialog return response: 'help'");
-		} else {
-			g_debug("Dialog return response: %d", response);
-		}
-
-		if (response == GTK_RESPONSE_HELP) {
-			type = LOGOUT_DIALOG_TYPE_RESTART;
-			response = GTK_RESPONSE_OK;
-		}
-
-		if (response != GTK_RESPONSE_OK) {
-			g_debug("Final response was not okay, quiting");
-			return 0;
-		}
-	}
-
-	session_action(type);
-	g_debug("Finished action, quiting");
-
-	return 0;
-}
diff --git a/src/guest.c b/src/guest.c
new file mode 100644
index 0000000..bcbd384
--- /dev/null
+++ b/src/guest.c
@@ -0,0 +1,190 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#include "guest.h"
+
+G_DEFINE_TYPE (IndicatorSessionGuest,
+               indicator_session_guest,
+               G_TYPE_OBJECT)
+
+enum
+{
+  PROP_0,
+  PROP_ALLOWED,
+  PROP_LOGGED_IN,
+  PROP_ACTIVE,
+  PROP_LAST
+};
+
+static GParamSpec *properties[PROP_LAST];
+
+static void
+my_get_property (GObject     * o,
+                 guint         property_id,
+                 GValue      * value,
+                 GParamSpec  * pspec)
+{
+  IndicatorSessionGuest * self = INDICATOR_SESSION_GUEST (o);
+
+  switch (property_id)
+    {
+      case PROP_ALLOWED:
+        g_value_set_boolean (value, indicator_session_guest_is_allowed (self));
+        break;
+
+      case PROP_LOGGED_IN:
+        g_value_set_boolean (value, indicator_session_guest_is_logged_in (self));
+        break;
+
+      case PROP_ACTIVE:
+        g_value_set_boolean (value, indicator_session_guest_is_active (self));
+        break;
+         
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (o, property_id, pspec);
+    }
+}
+
+static void
+my_dispose (GObject *object)
+{
+  G_OBJECT_CLASS (indicator_session_guest_parent_class)->dispose (object);
+}
+
+static void
+/* cppcheck-suppress unusedFunction */
+indicator_session_guest_class_init (IndicatorSessionGuestClass * klass)
+{
+  GObjectClass * object_class;
+  const GParamFlags flags = G_PARAM_READABLE | G_PARAM_STATIC_STRINGS;
+
+  object_class = G_OBJECT_CLASS (klass);
+  object_class->get_property = my_get_property;
+  object_class->dispose = my_dispose;
+
+  klass->is_allowed = NULL;
+  klass->is_logged_in = NULL;
+  klass->is_active = NULL;
+  klass->switch_to_guest = NULL;
+
+  properties[PROP_0] = NULL;
+
+  properties[PROP_ALLOWED] =
+    g_param_spec_boolean (INDICATOR_SESSION_GUEST_PROPERTY_ALLOWED,
+                          "Is Allowed",
+                          "Whether or not a Guest user is allowed",
+                          FALSE, flags);
+
+  properties[PROP_LOGGED_IN] =
+    g_param_spec_boolean (INDICATOR_SESSION_GUEST_PROPERTY_LOGGED_IN,
+                          "Is Logged In",
+                          "Whether or not the Guest account is logged in",
+                          FALSE, flags);
+
+  properties[PROP_ACTIVE] =
+    g_param_spec_boolean (INDICATOR_SESSION_GUEST_PROPERTY_ACTIVE,
+                          "Is Active",
+                          "If the Guest account has the current session",
+                          FALSE, flags);
+
+  g_object_class_install_properties (object_class, PROP_LAST, properties);
+}
+
+static void
+/* cppcheck-suppress unusedFunction */
+indicator_session_guest_init (IndicatorSessionGuest *self G_GNUC_UNUSED)
+{
+}
+
+/***
+****
+***/
+
+gboolean
+indicator_session_guest_is_active (IndicatorSessionGuest * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_GUEST (self), FALSE);
+
+  return INDICATOR_SESSION_GUEST_GET_CLASS (self)->is_active (self);
+}
+
+gboolean
+indicator_session_guest_is_allowed (IndicatorSessionGuest * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_GUEST (self), FALSE);
+
+  return INDICATOR_SESSION_GUEST_GET_CLASS (self)->is_allowed (self);
+}
+
+gboolean
+indicator_session_guest_is_logged_in (IndicatorSessionGuest * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_GUEST (self), FALSE);
+
+  return INDICATOR_SESSION_GUEST_GET_CLASS (self)->is_logged_in (self);
+}
+
+/***
+****
+***/
+static void
+notify_func (IndicatorSessionGuest * self, int prop)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_GUEST (self));
+
+  g_debug ("%s %s emitting '%s' prop notify", G_STRLOC, G_STRFUNC, properties[prop]->name);
+
+  g_object_notify_by_pspec (G_OBJECT(self), properties[prop]);
+}
+
+void
+indicator_session_guest_notify_active (IndicatorSessionGuest * self)
+{
+  notify_func (self, PROP_ACTIVE);
+}
+
+void
+indicator_session_guest_notify_allowed (IndicatorSessionGuest * self)
+{
+  notify_func (self, PROP_ALLOWED);
+}
+
+void
+indicator_session_guest_notify_logged_in (IndicatorSessionGuest * self)
+{
+  notify_func (self, PROP_LOGGED_IN);
+}
+
+/***
+****
+***/
+
+void
+indicator_session_guest_switch_to_guest (IndicatorSessionGuest * self)
+{
+  gboolean allowed;
+
+  g_return_if_fail (INDICATOR_IS_SESSION_GUEST (self));
+
+  g_object_get (self, INDICATOR_SESSION_GUEST_PROPERTY_ALLOWED, &allowed, NULL);
+  g_return_if_fail (allowed);
+
+  INDICATOR_SESSION_GUEST_GET_CLASS (self)->switch_to_guest (self);
+}
+
diff --git a/src/guest.h b/src/guest.h
new file mode 100644
index 0000000..30947d5
--- /dev/null
+++ b/src/guest.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#ifndef __GUEST_H__
+#define __GUEST_H__
+
+#include <glib.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define INDICATOR_TYPE_SESSION_GUEST          (indicator_session_guest_get_type())
+#define INDICATOR_SESSION_GUEST(o)            (G_TYPE_CHECK_INSTANCE_CAST ((o), INDICATOR_TYPE_SESSION_GUEST, IndicatorSessionGuest))
+#define INDICATOR_SESSION_GUEST_GET_CLASS(o)  (G_TYPE_INSTANCE_GET_CLASS ((o), INDICATOR_TYPE_SESSION_GUEST, IndicatorSessionGuestClass))
+#define INDICATOR_SESSION_GUEST_CLASS(k)      (G_TYPE_CHECK_CLASS_CAST ((k), INDICATOR_TYPE_SESSION_GUEST, IndicatorSessionGuestClass))
+#define INDICATOR_IS_SESSION_GUEST(o)         (G_TYPE_CHECK_INSTANCE_TYPE ((o), INDICATOR_TYPE_SESSION_GUEST))
+
+typedef struct _IndicatorSessionGuest        IndicatorSessionGuest;
+typedef struct _IndicatorSessionGuestClass   IndicatorSessionGuestClass;
+
+GType indicator_session_guest_get_type (void);
+
+/**
+ * A base class for getting state information about the system's guest user.
+ * Use backend.h's get_backend() to get an instance.
+ */
+struct _IndicatorSessionGuest
+{
+  /*< private >*/
+  GObject parent;
+};
+
+/* properties */
+#define INDICATOR_SESSION_GUEST_PROPERTY_ALLOWED   "guest-is-allowed"
+#define INDICATOR_SESSION_GUEST_PROPERTY_LOGGED_IN "guest-is-logged-in"
+#define INDICATOR_SESSION_GUEST_PROPERTY_ACTIVE    "guest-is-active-session"
+
+struct _IndicatorSessionGuestClass
+{
+  GObjectClass parent_class;
+
+  /* virtual functions */
+  gboolean (* is_allowed)      (IndicatorSessionGuest * self);
+  gboolean (* is_logged_in)    (IndicatorSessionGuest * self);
+  gboolean (* is_active)       (IndicatorSessionGuest * self);
+  void     (* switch_to_guest) (IndicatorSessionGuest * self);
+};
+
+gboolean indicator_session_guest_is_allowed   (IndicatorSessionGuest * self);
+gboolean indicator_session_guest_is_logged_in (IndicatorSessionGuest * self);
+gboolean indicator_session_guest_is_active    (IndicatorSessionGuest * self);
+
+void indicator_session_guest_switch_to_guest  (IndicatorSessionGuest * self);
+
+/**
+ * Emit 'notify' signals for the corresponding properties.
+ * These functions should only be called by IndicatorSessionGuest implementations.
+ */
+void indicator_session_guest_notify_allowed   (IndicatorSessionGuest * self);
+void indicator_session_guest_notify_logged_in (IndicatorSessionGuest * self);
+void indicator_session_guest_notify_active    (IndicatorSessionGuest * self);
+
+
+G_END_DECLS
+
+#endif
diff --git a/src/indicator-session.c b/src/indicator-session.c
deleted file mode 100644
index ada8c6e..0000000
--- a/src/indicator-session.c
+++ /dev/null
@@ -1,493 +0,0 @@
-/*
-A small wrapper utility to load indicators and put them as menu items
-into the gnome-panel using its applet interface.
-
-Copyright 2009 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 <glib.h>
-#include <glib-object.h>
-#include <glib/gi18n-lib.h>
-#include <gtk/gtk.h>
-#include <gio/gio.h>
-
-#include <libdbusmenu-gtk/menu.h>
-
-#include <libindicator/indicator.h>
-#include <libindicator/indicator-object.h>
-#include <libindicator/indicator-service-manager.h>
-
-#include "shared-names.h"
-#include "user-widget.h"
-
-#define INDICATOR_SESSION_TYPE            (indicator_session_get_type ())
-#define INDICATOR_SESSION(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), INDICATOR_SESSION_TYPE, IndicatorSession))
-#define INDICATOR_SESSION_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), INDICATOR_SESSION_TYPE, IndicatorSessionClass))
-#define IS_INDICATOR_SESSION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), INDICATOR_SESSION_TYPE))
-#define IS_INDICATOR_SESSION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), INDICATOR_SESSION_TYPE))
-#define INDICATOR_SESSION_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), INDICATOR_SESSION_TYPE, IndicatorSessionClass))
-
-typedef struct _IndicatorSession      IndicatorSession;
-typedef struct _IndicatorSessionClass IndicatorSessionClass;
-
-struct _IndicatorSessionClass
-{
-  IndicatorObjectClass parent_class;
-};
-
-struct _IndicatorSession
-{
-  IndicatorObject parent;
-  IndicatorServiceManager * service;
-  IndicatorObjectEntry entry;
-  GCancellable * service_proxy_cancel;
-  GDBusProxy * service_proxy;
-  GSettings * settings;
-  DbusmenuClient * menu_client;
-  GtkIconTheme * icon_theme;
-};
-
-GType indicator_session_get_type (void);
-
-/* Indicator stuff */
-INDICATOR_SET_VERSION
-INDICATOR_SET_TYPE(INDICATOR_SESSION_TYPE)
-
-/* Prototypes */
-static gboolean new_user_item (DbusmenuMenuitem * newitem,
-                               DbusmenuMenuitem * parent,
-                               DbusmenuClient * client,
-                               gpointer user_data);
-static void on_menu_layout_updated (DbusmenuClient * client, IndicatorSession * session);
-static void indicator_session_update_icon_callback (GtkWidget * widget, gpointer callback_data);
-static void indicator_session_update_icon_and_a11y (IndicatorSession * self);
-static void indicator_session_update_users_label (IndicatorSession* self,
-                                                  const gchar* name);
-static void service_connection_cb (IndicatorServiceManager * sm, gboolean connected, gpointer user_data);
-static void receive_signal (GDBusProxy * proxy, gchar * sender_name, gchar * signal_name, GVariant * parameters, gpointer user_data);
-static void service_proxy_cb (GObject * object, GAsyncResult * res, gpointer user_data);
-static void user_real_name_get_cb (GObject * obj, GAsyncResult * res, gpointer user_data);
-
-static void indicator_session_class_init (IndicatorSessionClass *klass);
-static void indicator_session_init       (IndicatorSession *self);
-static void indicator_session_dispose    (GObject *object);
-static void indicator_session_finalize   (GObject *object);
-static GList* indicator_session_get_entries (IndicatorObject* obj);
-static gint indicator_session_get_position (IndicatorObject * io);
-
-G_DEFINE_TYPE (IndicatorSession, indicator_session, INDICATOR_OBJECT_TYPE);
-
-static void
-indicator_session_class_init (IndicatorSessionClass *klass)
-{
-	GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-	object_class->dispose = indicator_session_dispose;
-	object_class->finalize = indicator_session_finalize;
-
-	IndicatorObjectClass * io_class = INDICATOR_OBJECT_CLASS(klass);
-	io_class->get_entries = indicator_session_get_entries;
-	io_class->get_position = indicator_session_get_position;
-	return;
-}
-
-static void
-indicator_session_init (IndicatorSession *self)
-{
-  self->settings = g_settings_new ("com.canonical.indicator.session");
-
-  /* Now let's fire these guys up. */
-  self->service = indicator_service_manager_new_version(INDICATOR_SESSION_DBUS_NAME,
-                                                        INDICATOR_SESSION_DBUS_VERSION);
-  g_signal_connect (G_OBJECT(self->service),
-                    INDICATOR_SERVICE_MANAGER_SIGNAL_CONNECTION_CHANGE,
-                    G_CALLBACK(service_connection_cb), self);
-
-  self->entry.name_hint = PACKAGE;
-  self->entry.label = GTK_LABEL (gtk_label_new ("User Name"));
-  self->entry.image = GTK_IMAGE (gtk_image_new());
-  self->entry.menu = GTK_MENU (dbusmenu_gtkmenu_new(INDICATOR_SESSION_DBUS_NAME,
-                                                    INDICATOR_SESSION_DBUS_OBJECT));
-  /* We need to check if the current icon theme has the hard coded icons.
-   * If not, we'll fall back to a standard icon */
-  self->icon_theme = gtk_icon_theme_get_default();
-  g_signal_connect(G_OBJECT(self->icon_theme),
-                   "changed",
-                   G_CALLBACK(indicator_session_update_icon_callback), self);
-
-  indicator_session_update_icon_and_a11y (self);
-  g_settings_bind (self->settings, "show-real-name-on-panel",
-                   self->entry.label, "visible",
-                   G_SETTINGS_BIND_GET);
-
-  /* show-real-name-on-panel affects the a11y string */
-  g_signal_connect_swapped (self->settings,
-                            "notify::show-real-name-on-panel",
-                            G_CALLBACK(indicator_session_update_icon_and_a11y),
-                            self);
-
-  gtk_widget_show (GTK_WIDGET(self->entry.menu));
-  gtk_widget_show (GTK_WIDGET(self->entry.image));
-  g_object_ref_sink (self->entry.menu);
-  g_object_ref_sink (self->entry.image);
-
-  // set up the handlers
-  self->menu_client = DBUSMENU_CLIENT(dbusmenu_gtkmenu_get_client(DBUSMENU_GTKMENU(self->entry.menu)));
-  g_signal_connect (self->menu_client, "layout-updated",
-                    G_CALLBACK(on_menu_layout_updated), self);
-
-  dbusmenu_client_add_type_handler (self->menu_client,
-                                    USER_ITEM_TYPE,
-                                    new_user_item);
-  dbusmenu_gtkclient_set_accel_group (DBUSMENU_GTKCLIENT(self->menu_client),
-                                      gtk_accel_group_new());
-}
-
-static void
-indicator_session_dispose (GObject *object)
-{
-  IndicatorSession * self = INDICATOR_SESSION(object);
-
-  g_clear_object (&self->settings);
-  g_clear_object (&self->service);
-  g_clear_object (&self->service_proxy);
-
-  if (self->service_proxy_cancel != NULL)
-    {
-      g_cancellable_cancel(self->service_proxy_cancel);
-      g_clear_object (&self->service_proxy_cancel);
-    }
-
-  g_clear_object (&self->entry.menu);
-
-  G_OBJECT_CLASS (indicator_session_parent_class)->dispose (object);
-}
-
-static void
-indicator_session_finalize (GObject *object)
-{
-
-	G_OBJECT_CLASS (indicator_session_parent_class)->finalize (object);
-	return;
-}
-
-static GList*
-indicator_session_get_entries (IndicatorObject* obj)
-{
-  g_return_val_if_fail(IS_INDICATOR_SESSION(obj), NULL);
-
-  IndicatorSession* self = INDICATOR_SESSION (obj);
-  return g_list_append (NULL, &self->entry);
-}
-
-static gint
-indicator_session_get_position (IndicatorObject * io)
-{
-  return 10;
-}
-
-/* callback for the service manager state of being */
-static void
-service_connection_cb (IndicatorServiceManager * sm, gboolean connected, gpointer user_data)
-{
-	IndicatorSession * self = INDICATOR_SESSION (user_data);
-
-	if (connected) {
-    if (self->service_proxy != NULL){
-      // Its a reconnect !
-      // Fetch synchronisation data and return (proxy is still legit)
-      g_dbus_proxy_call (self->service_proxy,
-                         "GetUserRealName",
-                         NULL,
-                         G_DBUS_CALL_FLAGS_NONE,
-                         -1,
-                         NULL,
-                         user_real_name_get_cb,
-                         user_data);
-      return;
-    }
-
-	  self->service_proxy_cancel = g_cancellable_new();
-	  g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION,
-                              G_DBUS_PROXY_FLAGS_NONE,
-                              NULL,
-                              INDICATOR_SESSION_DBUS_NAME,
-                              INDICATOR_SESSION_SERVICE_DBUS_OBJECT,
-                              INDICATOR_SESSION_SERVICE_DBUS_IFACE,
-                              self->service_proxy_cancel,
-                              service_proxy_cb,
-                              self);
-  }
-	return;
-}
-
-
-static void
-service_proxy_cb (GObject * object, GAsyncResult * res, gpointer user_data)
-{
-	GError * error = NULL;
-
-	IndicatorSession * self = INDICATOR_SESSION(user_data);
-	g_return_if_fail(self != NULL);
-
-	GDBusProxy * proxy = g_dbus_proxy_new_for_bus_finish(res, &error);
-
-	g_clear_object (&self->service_proxy_cancel);
-
-	if (error != NULL) {
-		g_warning("Could not grab DBus proxy for %s: %s", INDICATOR_SESSION_DBUS_NAME, error->message);
-		g_error_free(error);
-		return;
-	}
-
-	/* Okay, we're good to grab the proxy at this point, we're
-	sure that it's ours. */
-	self->service_proxy = proxy;
-
-	g_signal_connect(proxy, "g-signal", G_CALLBACK(receive_signal), self);
-
-  // Fetch the user's real name for the user entry label
-  g_dbus_proxy_call (self->service_proxy,
-                     "GetUserRealName",
-                     NULL,
-                     G_DBUS_CALL_FLAGS_NONE,
-                     -1,
-                     NULL,
-                     user_real_name_get_cb,
-                     user_data);
-	return;
-}
-
-
-static gboolean
-new_user_item (DbusmenuMenuitem * newitem,
-               DbusmenuMenuitem * parent,
-               DbusmenuClient   * client,
-               gpointer           user_data)
-{
-  g_return_val_if_fail (DBUSMENU_IS_MENUITEM(newitem), FALSE);
-  g_return_val_if_fail (DBUSMENU_IS_GTKCLIENT(client), FALSE);
-
-  GtkWidget * user_item = user_widget_new (newitem);
-
-  GtkMenuItem *user_widget = GTK_MENU_ITEM(user_item);
-
-  dbusmenu_gtkclient_newitem_base (DBUSMENU_GTKCLIENT(client),
-                                   newitem,
-                                   user_widget,
-                                   parent);
-
-  g_debug ("%s (\"%s\")", __func__,
-           dbusmenu_menuitem_property_get (newitem,
-                                           USER_ITEM_PROP_NAME));
-  return TRUE;
-}
-
-static void
-user_real_name_get_cb (GObject * obj, GAsyncResult * res, gpointer user_data)
-{
-  IndicatorSession * self = INDICATOR_SESSION(user_data);
-
-  GError * error = NULL;
-  GVariant * result = g_dbus_proxy_call_finish(self->service_proxy, res, &error);
-
-  if (error != NULL)
-    {
-      g_warning ("Unable to complete real name dbus query: %s", error->message);
-      g_clear_error (&error);
-    }
-  else
-    {
-      const gchar * username = NULL;
-      g_variant_get (result, "(&s)", &username);
-      indicator_session_update_users_label (self, username);
-      g_variant_unref (result);
-    }
-}
-
-/* Receives all signals from the service, routed to the appropriate functions */
-static void
-receive_signal (GDBusProxy * proxy,
-                gchar      * sender_name,
-                gchar      * signal_name,
-                GVariant   * parameters,
-                gpointer     user_data)
-{
-  IndicatorSession * self = INDICATOR_SESSION(user_data);
-
-  if (!g_strcmp0(signal_name, "UserRealNameUpdated"))
-    {
-      const gchar * username = NULL;
-      g_variant_get (parameters, "(&s)", &username);
-      indicator_session_update_users_label (self, username);	
-    }
-}
-
-static void
-indicator_session_update_users_label (IndicatorSession * self,
-                                      const gchar      * name)
-{
-  gtk_label_set_text (self->entry.label, name ? name : "");
-}
-
-/***
-**** Disposition
-***/
-
-enum
-{
-  DISPOSITION_NORMAL,
-  DISPOSITION_INFO,
-  DISPOSITION_WARNING,
-  DISPOSITION_ALERT
-};
-  
-static void
-indicator_session_update_a11y_from_disposition (IndicatorSession * indicator,
-                                                int                disposition)
-{
-  gchar * a11y;
-  const gchar * username = gtk_label_get_text (indicator->entry.label);
-  const gboolean need_attn = disposition != DISPOSITION_NORMAL;
-  const gboolean show_name = g_settings_get_boolean (indicator->settings,
-                                                     "show-real-name-on-panel");
-
-  if (show_name && need_attn)
-    /* Translators: the name of the menu ("System"), followed by the user's name,
-       followed by a hint that an item in this menu requires an action from the user */
-    a11y = g_strdup_printf (_("System %s (Attention Required)"), username);
-  else if (show_name)
-    /* Translators: the name of the menu ("System"), followed by the user's name */
-    a11y = g_strdup_printf (_("System %s"), username);
-  else if (need_attn)
-    a11y = g_strdup  (_("System (Attention Required)"));
-  else
-    a11y = g_strdup (_("System"));
-
-  g_debug (G_STRLOC" setting a11y to \"%s\"", a11y);
-  g_clear_pointer (&indicator->entry.accessible_desc, g_free);
-  indicator->entry.accessible_desc = a11y;
-  g_signal_emit (indicator,
-                 INDICATOR_OBJECT_SIGNAL_ACCESSIBLE_DESC_UPDATE_ID,
-                 0,
-                 &indicator->entry);
-}
-
-static void
-indicator_session_update_icon_from_disposition (IndicatorSession * indicator,
-                                                int                disposition)
-{
-  const gchar * icon;
-
-  if (disposition == DISPOSITION_NORMAL)
-    icon = ICON_DEFAULT;
-  else if (disposition == DISPOSITION_INFO)
-    icon = ICON_INFO;
-  else
-    icon = ICON_ALERT;
-
-  if (gtk_icon_theme_has_icon (indicator->icon_theme, icon) == FALSE)
-    icon = "gtk-missing-image";
-
-  g_debug (G_STRLOC" setting icon to \"%s\"", icon);
-  gtk_image_set_from_icon_name (GTK_IMAGE(indicator->entry.image),
-                                icon,
-                                GTK_ICON_SIZE_BUTTON);
-}
-  
-static int
-calculate_disposition (IndicatorSession * indicator)
-{
-  GList * l;
-  DbusmenuMenuitem * root = dbusmenu_client_get_root (indicator->menu_client);
-  GList * children = dbusmenu_menuitem_get_children (root);
-  int ret = DISPOSITION_NORMAL;
-
-  for (l=children; l!=NULL; l=l->next)
-    {
-      int val;
-      const gchar * key = DBUSMENU_MENUITEM_PROP_DISPOSITION;
-      const gchar * val_str = dbusmenu_menuitem_property_get (l->data, key);
-
-      if (!g_strcmp0 (val_str, DBUSMENU_MENUITEM_DISPOSITION_ALERT))
-        val = DISPOSITION_ALERT;
-      else if (!g_strcmp0 (val_str, DBUSMENU_MENUITEM_DISPOSITION_WARNING))
-        val = DISPOSITION_WARNING;
-      else if (!g_strcmp0 (val_str, DBUSMENU_MENUITEM_DISPOSITION_INFORMATIVE))
-        val = DISPOSITION_INFO;
-      else
-        val = DISPOSITION_NORMAL;
-
-      if (ret < val)
-        ret = val;
-    }
-
-  return ret;
-}
-
-static void
-indicator_session_update_icon_callback (GtkWidget * widget, gpointer callback_data)
-{
-  indicator_session_update_icon_and_a11y ((IndicatorSession *)callback_data);
-}
-
-static void
-indicator_session_update_icon_and_a11y (IndicatorSession * indicator)
-{
-  const int disposition = calculate_disposition (indicator);
-  indicator_session_update_a11y_from_disposition (indicator, disposition);
-  indicator_session_update_icon_from_disposition (indicator, disposition);
-}
-
-static void
-on_menuitem_property_changed (DbusmenuMenuitem * mi,
-                              gchar            * property,
-                              GValue           * value,
-                              gpointer           indicator)
-{
-  if (!g_strcmp0 (property, DBUSMENU_MENUITEM_PROP_DISPOSITION))
-    indicator_session_update_icon_and_a11y (indicator);
-}
-
-static void
-on_menu_layout_updated (DbusmenuClient * client, IndicatorSession * session)
-{
-  GList * l;
-  DbusmenuMenuitem * root = dbusmenu_client_get_root (client);
-  GList * children = dbusmenu_menuitem_get_children (root);
-  static GQuark tag = 0;
-
-  if (G_UNLIKELY (tag == 0))
-    {
-      tag = g_quark_from_static_string ("x-tagged-by-indicator-session");
-    }
-
-  for (l=children; l!=NULL; l=l->next)
-    {
-      if (g_object_get_qdata (l->data, tag) == NULL)
-        {
-          g_object_set_qdata (l->data, tag, GINT_TO_POINTER(1));
-          g_signal_connect (l->data, "property-changed", G_CALLBACK(on_menuitem_property_changed), session);
-        }
-    }
-}
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..45c5394
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#include <locale.h>
+#include <stdlib.h> /* exit() */
+
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+
+#include "service.h"
+
+/***
+****
+***/
+
+static void
+on_name_lost (gpointer instance G_GNUC_UNUSED, gpointer loop)
+{
+  g_warning ("exiting: service couldn't acquire, or lost ownership of, busname");
+
+  g_main_loop_quit (loop);
+}
+
+int
+main (int argc G_GNUC_UNUSED, char ** argv G_GNUC_UNUSED)
+{
+  GMainLoop * loop;
+  IndicatorSessionService * service;
+
+  /* boilerplate i18n */
+  setlocale (LC_ALL, "");
+  bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
+  textdomain (GETTEXT_PACKAGE);
+
+  /* run */
+  service = indicator_session_service_new ();
+  loop = g_main_loop_new (NULL, FALSE);
+  g_signal_connect (service, INDICATOR_SESSION_SERVICE_SIGNAL_NAME_LOST,
+                    G_CALLBACK(on_name_lost), loop);
+  g_main_loop_run (loop);
+
+  /* cleanup */
+  g_clear_object (&service);
+  g_main_loop_unref (loop);
+  return 0;
+}
diff --git a/src/online-accounts-mgr.c b/src/online-accounts-mgr.c
deleted file mode 100644
index 4abba00..0000000
--- a/src/online-accounts-mgr.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
-Copyright 2012 Canonical Ltd.
-
-Authors:
-    Alberto Mardegan <alberto.mardegan@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/>.
-*/
-
-#include <gio/gio.h>
-#include <glib/gi18n.h>
-
-#include "online-accounts-mgr.h"
-
-#include <libdbusmenu-glib/client.h>
-
-struct _OnlineAccountsMgr
-{
-  GObject parent_instance;
-  GDBusProxy *proxy;
-  DbusmenuMenuitem *menu_item;
-};
-
-#define ONLINE_ACCOUNTS_OBJECT_PATH "/com/canonical/indicators/webcredentials"
-#define ONLINE_ACCOUNTS_BUS_NAME "com.canonical.indicators.webcredentials"
-#define ONLINE_ACCOUNTS_INTERFACE ONLINE_ACCOUNTS_BUS_NAME
-
-G_DEFINE_TYPE (OnlineAccountsMgr, online_accounts_mgr, G_TYPE_OBJECT);
-
-static void
-update_disposition (OnlineAccountsMgr *self, GVariant *error_status_prop)
-{
-  gboolean error_status;
-
-  error_status = g_variant_get_boolean (error_status_prop);
-  dbusmenu_menuitem_property_set (self->menu_item,
-                                  DBUSMENU_MENUITEM_PROP_DISPOSITION,
-                                  error_status ?
-                                  DBUSMENU_MENUITEM_DISPOSITION_ALERT :
-                                  DBUSMENU_MENUITEM_DISPOSITION_NORMAL);
-}
-
-static void
-on_properties_changed (GDBusProxy *proxy,
-                       GVariant *changed_properties,
-                       GStrv invalidated_properties,
-                       OnlineAccountsMgr *self)
-{
-  if (g_variant_n_children (changed_properties) > 0) {
-    GVariantIter *iter;
-    const gchar *key;
-    GVariant *value;
-
-    g_variant_get (changed_properties, "a{sv}", &iter);
-    while (g_variant_iter_loop (iter, "{&sv}", &key, &value)) {
-      if (g_strcmp0 (key, "ErrorStatus") == 0) {
-        update_disposition (self, value);
-      }
-    }
-    g_variant_iter_free (iter);
-  }
-}
-
-static void
-on_menu_item_activated (DbusmenuMenuitem *menu_item,
-                        guint timestamp,
-                        OnlineAccountsMgr *self)
-{
-  GError *error = NULL;
-
-  if (!g_spawn_command_line_async("gnome-control-center credentials", &error))
-  {
-    g_warning("Unable to show control center: %s", error->message);
-    g_error_free(error);
-  }
-}
-
-static void
-online_accounts_mgr_init (OnlineAccountsMgr *self)
-{
-  GError *error = NULL;
-  GVariant *error_status_prop;
-
-  self->menu_item = dbusmenu_menuitem_new ();
-  dbusmenu_menuitem_property_set (self->menu_item,
-                                  DBUSMENU_MENUITEM_PROP_TYPE,
-                                  DBUSMENU_CLIENT_TYPES_DEFAULT);
-  dbusmenu_menuitem_property_set (self->menu_item,
-                                  DBUSMENU_MENUITEM_PROP_LABEL,
-                                  _("Online Accounts\342\200\246"));
-  g_signal_connect (self->menu_item,
-                    DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                    G_CALLBACK (on_menu_item_activated),
-                    self);
-
-  self->proxy =
-    g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
-                                   G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
-                                   NULL,
-                                   ONLINE_ACCOUNTS_BUS_NAME,
-                                   ONLINE_ACCOUNTS_OBJECT_PATH,
-                                   ONLINE_ACCOUNTS_INTERFACE,
-                                   NULL,
-                                   &error);
-  if (G_UNLIKELY (error != NULL)) {
-      g_warning ("Couldn't create online_accounts proxy: %s", error->message);
-      g_clear_error (&error);
-      return;
-  }
-
-  g_signal_connect (self->proxy, "g-properties-changed",
-                    G_CALLBACK (on_properties_changed), self);
-
-  error_status_prop =
-    g_dbus_proxy_get_cached_property (self->proxy, "ErrorStatus");
-  if (error_status_prop != NULL) {
-    update_disposition (self, error_status_prop);
-    g_variant_unref (error_status_prop);
-  }
-}
-
-static void
-online_accounts_mgr_dispose (GObject *object)
-{
-  OnlineAccountsMgr *self = ONLINE_ACCOUNTS_MGR (object);
-
-  if (self->proxy != NULL) {
-    g_object_unref (self->proxy);
-    self->proxy = NULL;
-  }
-
-  if (self->menu_item != NULL) {
-    g_object_unref (self->menu_item);
-    self->menu_item = NULL;
-  }
-
-  G_OBJECT_CLASS (online_accounts_mgr_parent_class)->dispose (object);
-}
-
-static void
-online_accounts_mgr_class_init (OnlineAccountsMgrClass *klass)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-  object_class->dispose = online_accounts_mgr_dispose;
-}
-
-OnlineAccountsMgr *online_accounts_mgr_new ()
-{
-  return g_object_new (ONLINE_ACCOUNTS_TYPE_MGR, NULL);
-}
-
-DbusmenuMenuitem *online_accounts_mgr_get_menu_item (OnlineAccountsMgr *self)
-{
-  g_return_val_if_fail (ONLINE_ACCOUNTS_IS_MGR (self), NULL);
-  return self->menu_item;
-}
diff --git a/src/online-accounts-mgr.h b/src/online-accounts-mgr.h
deleted file mode 100644
index 16c0461..0000000
--- a/src/online-accounts-mgr.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
-Copyright 2012 Canonical Ltd.
-
-Authors:
-    Alberto Mardegan <alberto.mardegan@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/>.
-*/
-
-#ifndef _ONLINE_ACCOUNTS_MGR_H_
-#define _ONLINE_ACCOUNTS_MGR_H_
-
-#include <glib-object.h>
-#include <libdbusmenu-glib/menuitem.h>
-
-G_BEGIN_DECLS
-
-#define ONLINE_ACCOUNTS_TYPE_MGR             (online_accounts_mgr_get_type ())
-#define ONLINE_ACCOUNTS_MGR(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), ONLINE_ACCOUNTS_TYPE_MGR, OnlineAccountsMgr))
-#define ONLINE_ACCOUNTS_MGR_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), ONLINE_ACCOUNTS_TYPE_MGR, OnlineAccountsMgrClass))
-#define ONLINE_ACCOUNTS_IS_MGR(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ONLINE_ACCOUNTS_TYPE_MGR))
-#define ONLINE_ACCOUNTS_IS_MGR_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), ONLINE_ACCOUNTS_TYPE_MGR))
-#define ONLINE_ACCOUNTS_MGR_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), ONLINE_ACCOUNTS_TYPE_MGR, OnlineAccountsMgrClass))
-
-typedef struct _OnlineAccountsMgrClass OnlineAccountsMgrClass;
-typedef struct _OnlineAccountsMgr OnlineAccountsMgr;
-
-struct _OnlineAccountsMgrClass
-{
-  GObjectClass parent_class;
-};
-
-GType online_accounts_mgr_get_type (void) G_GNUC_CONST;
-OnlineAccountsMgr *online_accounts_mgr_new (void);
-
-DbusmenuMenuitem *online_accounts_mgr_get_menu_item (OnlineAccountsMgr *self);
-
-G_END_DECLS
-
-#endif /* _ONLINE_ACCOUNTS_MGR_H_ */
diff --git a/src/org.freedesktop.login1.Session.xml b/src/org.freedesktop.login1.Session.xml
deleted file mode 100644
index 24a6fac..0000000
--- a/src/org.freedesktop.login1.Session.xml
+++ /dev/null
@@ -1,49 +0,0 @@
-<?xml version="1.0"?>
-<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
-<node>
-  <interface name="org.freedesktop.login1.Session">
-    <method name="Terminate"/>
-    <method name="Activate"/>
-    <method name="Lock"/>
-    <method name="Unlock"/>
-    <method name="SetIdleHint">
-      <arg name="b" direction="in" type="b"/>
-    </method>
-    <method name="Kill">
-      <arg name="who" direction="in" type="s"/>
-      <arg name="signal" direction="in" type="s"/>
-    </method>
-    <signal name="Lock"/>
-    <signal name="Unlock"/>
-    <property name="Id" type="s" access="read"/>
-    <property name="User" type="(uo)" access="read">
-      <annotation name="org.qtproject.QtDBus.QtTypeName" value="UintPath"/>
-    </property>
-    <property name="Name" type="s" access="read"/>
-    <property name="Timestamp" type="t" access="read"/>
-    <property name="TimestampMonotonic" type="t" access="read"/>
-    <property name="DefaultControlGroup" type="s" access="read"/>
-    <property name="VTNr" type="u" access="read"/>
-    <property name="Seat" type="(so)" access="read">
-      <annotation name="org.qtproject.QtDBus.QtTypeName" value="StringPath"/>
-    </property>
-    <property name="TTY" type="s" access="read"/>
-    <property name="Display" type="s" access="read"/>
-    <property name="Remote" type="b" access="read"/>
-    <property name="RemoteHost" type="s" access="read"/>
-    <property name="RemoteUser" type="s" access="read"/>
-    <property name="Service" type="s" access="read"/>
-    <property name="Leader" type="u" access="read"/>
-    <property name="Audit" type="u" access="read"/>
-    <property name="Type" type="s" access="read"/>
-    <property name="Class" type="s" access="read"/>
-    <property name="Active" type="b" access="read"/>
-    <property name="State" type="s" access="read"/>
-    <property name="Controllers" type="as" access="read"/>
-    <property name="ResetControllers" type="as" access="read"/>
-    <property name="KillProcesses" type="b" access="read"/>
-    <property name="IdleHint" type="b" access="read"/>
-    <property name="IdleSinceHint" type="t" access="read"/>
-    <property name="IdleSinceHintMonotonic" type="t" access="read"/>
-  </interface>
-</node>
diff --git a/src/service.c b/src/service.c
new file mode 100644
index 0000000..74acd89
--- /dev/null
+++ b/src/service.c
@@ -0,0 +1,1182 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+
+#include "backend.h"
+#include "service.h"
+
+#define BUS_NAME "com.canonical.indicator.session"
+#define BUS_PATH "/com/canonical/indicator/session"
+
+#define ICON_DEFAULT "system-devices-panel"
+#define ICON_INFO    "system-devices-panel-information"
+#define ICON_ALERT   "system-devices-panel-alert"
+
+G_DEFINE_TYPE (IndicatorSessionService,
+               indicator_session_service,
+               G_TYPE_OBJECT)
+
+/* signals enum */
+enum
+{
+  NAME_LOST,
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+enum
+{
+  PROP_0,
+  PROP_MAX_USERS,
+  PROP_LAST
+};
+
+static GParamSpec * properties[PROP_LAST];
+
+enum
+{
+  SECTION_HEADER    = (1<<0),
+  SECTION_ADMIN     = (1<<1),
+  SECTION_SETTINGS  = (1<<2),
+  SECTION_SWITCH    = (1<<3),
+  SECTION_SESSION   = (1<<4)
+};
+
+enum
+{
+  PROFILE_DESKTOP,
+  PROFILE_GREETER,
+  N_PROFILES
+};
+
+static const char * const menu_names[N_PROFILES] =
+{
+  "desktop",
+  "desktop_greeter"
+};
+
+struct ProfileMenuInfo
+{
+  /* the root level -- the header is the only child of this */
+  GMenu * menu;
+
+  /* parent of the sections. This is the header's submenu */
+  GMenu * submenu;
+
+  guint export_id;
+};
+
+struct _IndicatorSessionServicePrivate
+{
+  guint own_id;
+  guint max_users;
+  IndicatorSessionUsers * backend_users;
+  IndicatorSessionGuest * backend_guest;
+  IndicatorSessionActions * backend_actions;
+  GSettings * indicator_settings;
+  GSettings * keybinding_settings;
+  GSimpleActionGroup * actions;
+  guint actions_export_id;
+  struct ProfileMenuInfo menus[N_PROFILES];
+  GSimpleAction * header_action;
+  GSimpleAction * user_switcher_action;
+  GSimpleAction * guest_switcher_action;
+  GHashTable * users;
+  guint rebuild_id;
+  int rebuild_flags;
+  GDBusConnection * conn;
+  GCancellable * cancellable;
+};
+
+typedef IndicatorSessionServicePrivate priv_t;
+
+static const char * get_current_real_name (IndicatorSessionService * self);
+
+/***
+****
+***/
+
+static void rebuild_now (IndicatorSessionService * self, int section);
+static void rebuild_soon (IndicatorSessionService * self, int section);
+
+static inline void
+rebuild_header_soon (IndicatorSessionService * self)
+{
+  rebuild_soon (self, SECTION_HEADER);
+}
+static inline void
+rebuild_switch_section_soon (IndicatorSessionService * self)
+{
+  rebuild_soon (self, SECTION_SWITCH);
+}
+static inline void
+rebuild_session_section_soon (IndicatorSessionService * self)
+{
+  rebuild_soon (self, SECTION_SESSION);
+}
+static inline void
+rebuild_settings_section_soon (IndicatorSessionService * self)
+{
+  rebuild_soon (self, SECTION_SETTINGS);
+}
+
+/***
+****
+***/
+
+static void
+update_header_action (IndicatorSessionService * self)
+{
+  gchar * a11y;
+  gboolean need_attn;
+  gboolean show_name;
+  GVariant * variant;
+  const gchar * real_name;
+  const gchar * label;
+  const gchar * iconstr;
+  const priv_t * const p = self->priv;
+
+  g_return_if_fail (p->header_action != NULL);
+
+  if (indicator_session_actions_has_online_account_error (p->backend_actions))
+    {
+      need_attn = TRUE;
+      iconstr = ICON_ALERT;
+    }
+  else
+    {
+      need_attn = FALSE;
+      iconstr = ICON_DEFAULT;
+    }
+
+  show_name = g_settings_get_boolean (p->indicator_settings,
+                                      "show-real-name-on-panel");
+
+  real_name = get_current_real_name (self);
+  label = show_name && real_name ? real_name : "";
+
+  if (*label && need_attn)
+    {
+      /* Translators: the name of the menu ("System"), then the user's name,
+         then a hint that something in this menu requires user attention */
+      a11y = g_strdup_printf (_("System, %s (Attention Required)"), real_name);
+    }
+  else if (*label)
+    {
+      /* Translators: the name of the menu ("System"), then the user's name */
+      a11y = g_strdup_printf (_("System, %s"), label);
+    }
+  else if (need_attn)
+    {
+      a11y = g_strdup  (_("System (Attention Required)"));
+    }
+  else
+    {
+      a11y = g_strdup (_("System"));
+    }
+
+  variant = g_variant_new ("(sssb)", label, iconstr, a11y, TRUE);
+  g_simple_action_set_state (p->header_action, variant);
+  g_free (a11y);
+}
+
+/***
+****  USERS
+***/
+
+static GMenuModel * create_switch_section (IndicatorSessionService * self);
+
+static void
+add_user (IndicatorSessionService * self, guint uid)
+{
+  IndicatorSessionUser * u;
+
+  if ((u = indicator_session_users_get_user (self->priv->backend_users, uid)))
+    {
+      /* update our user table */
+      g_hash_table_insert (self->priv->users, GUINT_TO_POINTER(uid), u);
+
+      /* queue rebuilds for the affected sections */
+      rebuild_switch_section_soon (self);
+      if (u->is_current_user)
+        rebuild_header_soon (self);
+    }
+}
+
+static void
+on_user_added (IndicatorSessionUsers * backend_users G_GNUC_UNUSED,
+               guint                   uid,
+               gpointer                gself)
+{
+  add_user (INDICATOR_SESSION_SERVICE(gself), uid);
+}
+
+static void
+on_user_changed (IndicatorSessionUsers * backend_users G_GNUC_UNUSED,
+                 guint                   uid,
+                 gpointer                gself)
+{
+  add_user (INDICATOR_SESSION_SERVICE(gself), uid);
+}
+
+static void
+on_user_removed (IndicatorSessionUsers * backend_users G_GNUC_UNUSED,
+                 guint                   uid,
+                 gpointer                gself)
+{
+  IndicatorSessionService * self = INDICATOR_SESSION_SERVICE (gself);
+  g_return_if_fail (self != NULL);
+
+  /* update our user table */
+  g_hash_table_remove (self->priv->users, GUINT_TO_POINTER(uid));
+
+  /* enqueue rebuilds for the affected sections */
+  rebuild_switch_section_soon (self);
+}
+
+static const char *
+get_current_real_name (IndicatorSessionService * self)
+{
+  GHashTableIter iter;
+  gpointer key, value;
+
+  /* is it the guest? */
+  if (indicator_session_guest_is_active (self->priv->backend_guest))
+    return _("Guest");
+
+  /* is it a user? */
+  g_hash_table_iter_init (&iter, self->priv->users);
+  while (g_hash_table_iter_next (&iter, &key, &value))
+    {
+      IndicatorSessionUser * user = value;
+      if (user->is_current_user)
+        return user->real_name;
+    }
+
+  return "";
+}
+
+/***
+****
+***/
+
+static GMenuModel *
+create_admin_section (void)
+{
+  GMenu * menu;
+
+  menu = g_menu_new ();
+  g_menu_append (menu, _("About This Computer"), "indicator.about");
+  g_menu_append (menu, _("Ubuntu Help"), "indicator.help");
+  return G_MENU_MODEL (menu);
+}
+
+static GMenuModel *
+create_settings_section (IndicatorSessionService * self)
+{
+  GMenu * menu;
+  priv_t * p = self->priv;
+
+  menu = g_menu_new ();
+  g_menu_append (menu, _("System Settings…"), "indicator.settings");
+  if (indicator_session_actions_has_online_account_error (p->backend_actions))
+      g_menu_append (menu, _("Online Accounts…"), "indicator.online-accounts");
+
+  return G_MENU_MODEL (menu);
+}
+
+/**
+ * The switch-to-guest action's state is a dictionary with these entries:
+ *   - "is-active" (boolean)
+ *   - "is-logged-in" (boolean)
+ */
+static GVariant *
+create_guest_switcher_state (IndicatorSessionService * self)
+{
+  GVariant * val;
+  GVariantBuilder b;
+  IndicatorSessionGuest * const g = self->priv->backend_guest;
+
+  g_variant_builder_init (&b, G_VARIANT_TYPE ("a{sv}"));
+  val = g_variant_new_boolean (indicator_session_guest_is_active (g));
+  g_variant_builder_add (&b, "{sv}", "is-active", val);
+  val = g_variant_new_boolean (indicator_session_guest_is_logged_in (g));
+  g_variant_builder_add (&b, "{sv}", "is-logged-in", val);
+  return g_variant_builder_end (&b);
+}
+
+/**
+ * The switch-to-user action's state is a dictionary with these entries: 
+ *  - "active-user" (username string)
+ *  - "logged-in-users" (array of username strings)
+ */
+static GVariant *
+create_user_switcher_state (IndicatorSessionService * self)
+{
+  GVariantBuilder a;
+  GVariantBuilder b;
+  GVariant * val;
+  GHashTableIter ht_iter;
+  gpointer ht_value;
+  const char * current_user;
+
+  current_user = "";
+  g_variant_builder_init (&a, G_VARIANT_TYPE("as"));
+  g_hash_table_iter_init (&ht_iter, self->priv->users);
+  while (g_hash_table_iter_next (&ht_iter, NULL, &ht_value))
+    {
+      const IndicatorSessionUser * u = ht_value;
+
+      if (u->is_current_user)
+        current_user = u->user_name;
+
+      if (u->is_logged_in)
+        g_variant_builder_add (&a, "s", u->user_name);
+    }
+
+  g_variant_builder_init (&b, G_VARIANT_TYPE("a{sv}"));
+  val = g_variant_new_string (current_user);
+  g_variant_builder_add (&b, "{sv}", "active-user", val);
+  val = g_variant_builder_end (&a);
+  g_variant_builder_add (&b, "{sv}", "logged-in-users", val);
+  return g_variant_builder_end (&b);
+}
+
+static void
+update_switch_actions (IndicatorSessionService * self)
+{
+  g_simple_action_set_state (self->priv->guest_switcher_action,
+                             create_guest_switcher_state (self));
+
+  g_simple_action_set_state (self->priv->user_switcher_action,
+                             create_user_switcher_state (self));
+}
+
+static gboolean
+use_ellipsis (IndicatorSessionService * self)
+{
+  /* does the backend support confirmation prompts? */
+  if (!indicator_session_actions_can_prompt (self->priv->backend_actions))
+    return FALSE;
+
+  /* has the user disabled prompts? */
+  if (g_settings_get_boolean (self->priv->indicator_settings,
+                              "suppress-logout-restart-shutdown"))
+    return FALSE;
+
+  return TRUE;
+}
+
+/* lower index == more useful.
+   When there are too many users for the menu,
+   we use this to decide which to cull. */
+static int
+compare_users_by_usefulness (gconstpointer ga, gconstpointer gb)
+{
+  const IndicatorSessionUser * a = *(const IndicatorSessionUser**)ga;
+  const IndicatorSessionUser * b = *(const IndicatorSessionUser**)gb;
+
+  if (a->is_current_user != b->is_current_user)
+    return a->is_current_user ? -1 : 1;
+
+  if (a->is_logged_in != b->is_logged_in)
+    return a->is_logged_in ? -1 : 1;
+
+  if (a->login_frequency != b->login_frequency)
+    return a->login_frequency > b->login_frequency ? -1 : 1;
+
+  return 0;
+}
+
+/* sorting them for display in the menu */
+static int
+compare_users_by_label (gconstpointer ga, gconstpointer gb)
+{
+  int i;
+  const IndicatorSessionUser * a = *(const IndicatorSessionUser**)ga;
+  const IndicatorSessionUser * b = *(const IndicatorSessionUser**)gb;
+
+  if ((i = g_strcmp0 (a->real_name, b->real_name)))
+    return i;
+
+  return g_strcmp0 (a->user_name, b->user_name);
+}
+
+static GMenuModel *
+create_switch_section (IndicatorSessionService * self)
+{
+  gchar * str;
+  GMenu * menu;
+  GMenuItem * item;
+  guint i;
+  gpointer guser;
+  GHashTableIter iter;
+  GPtrArray * users;
+  const priv_t * const p = self->priv;
+  const gboolean ellipsis = use_ellipsis (self);
+
+  menu = g_menu_new ();
+
+  /* lockswitch */
+  if (indicator_session_users_is_live_session (p->backend_users))
+    {
+      const char * action = "indicator.switch-to-screensaver";
+      item = g_menu_item_new (_("Start Screen Saver"), action);
+    }
+  else if (indicator_session_guest_is_active (p->backend_guest))
+    {
+      const char * action = "indicator.switch-to-greeter";
+      item = g_menu_item_new (ellipsis ? _("Switch Account…")
+                                       : _("Switch Account"), action);
+    }
+  else if (g_hash_table_size (p->users) == 1)
+    {
+      const char * action = "indicator.switch-to-greeter";
+      item = g_menu_item_new (_("Lock"), action);
+    }
+  else
+    {
+      const char * action = "indicator.switch-to-greeter";
+      item = g_menu_item_new (ellipsis ? _("Lock/Switch Account…")
+                                       : _("Lock/Switch Account"), action);
+    }
+  str = g_settings_get_string (p->keybinding_settings, "screensaver");
+  g_menu_item_set_attribute (item, "accel", "s", str);
+  g_free (str);
+  g_menu_append_item (menu, item);
+  g_object_unref (item);
+ 
+  if (indicator_session_guest_is_allowed (p->backend_guest))
+    {
+      GMenuItem *item;
+
+      item = g_menu_item_new (_("Guest Session"), "indicator.switch-to-guest");
+      g_menu_item_set_attribute (item, "x-canonical-type", "s", "indicator.guest-menu-item");
+      g_menu_append_item (menu, item);
+
+      g_object_unref (item);
+    }
+
+  /* build an array of all the users we know of */
+  users = g_ptr_array_new ();
+  g_hash_table_iter_init (&iter, p->users);
+  while (g_hash_table_iter_next (&iter, NULL, &guser))
+    g_ptr_array_add (users, guser);
+
+  /* if there are too many users, cull out the less interesting ones */
+  if (users->len > p->max_users)
+    {
+      g_ptr_array_sort (users, compare_users_by_usefulness);
+      g_ptr_array_set_size (users, p->max_users);
+    }
+
+  /* sort the users by name */
+  g_ptr_array_sort (users, compare_users_by_label);
+
+  /* add the users */
+  for (i=0; i<users->len; ++i)
+    {
+      const IndicatorSessionUser * u = g_ptr_array_index (users, i);
+      item = g_menu_item_new (u->real_name, NULL);
+      g_menu_item_set_action_and_target (item, "indicator.switch-to-user", "s", u->user_name);
+      g_menu_item_set_attribute (item, "x-canonical-type", "s", "indicator.user-menu-item");
+
+      if (u->icon_file != NULL)
+        {
+          GFile * file = g_file_new_for_path (u->icon_file);
+          GIcon * icon = g_file_icon_new (file);
+          g_menu_item_set_attribute_value (item, G_MENU_ATTRIBUTE_ICON, g_icon_serialize (icon));
+          g_clear_object (&icon);
+          g_clear_object (&file);
+        }
+
+      g_menu_append_item (menu, item);
+      g_object_unref (item);
+    }
+
+  /* cleanup */
+  g_ptr_array_free (users, TRUE);
+  return G_MENU_MODEL (menu);
+}
+
+static GMenuModel *
+create_session_section (IndicatorSessionService * self, int profile)
+{
+  GMenu * menu;
+  const priv_t * const p = self->priv;
+  GSettings * const s = p->indicator_settings;
+  const gboolean ellipsis = use_ellipsis (self);
+
+  menu = g_menu_new ();
+
+  if ((profile == PROFILE_DESKTOP) &&
+      (indicator_session_actions_can_logout (p->backend_actions)))
+    {
+      const char * label = ellipsis ? _("Log Out…") : _("Log Out");
+      g_menu_append (menu, label, "indicator.logout");
+    }
+
+  if (indicator_session_actions_can_suspend (p->backend_actions))
+    g_menu_append (menu, _("Suspend"), "indicator.suspend");
+
+  if (indicator_session_actions_can_hibernate (p->backend_actions))
+    g_menu_append (menu, _("Hibernate"), "indicator.hibernate");
+
+  if (indicator_session_actions_can_reboot (p->backend_actions))
+    {
+      const char * label = ellipsis ? _("Restart…") : _("Restart");
+      g_menu_append (menu, label, "indicator.reboot");
+    }
+
+  if (!g_settings_get_boolean (s, "suppress-shutdown-menuitem"))
+    {
+      const char * label = ellipsis ? _("Shut Down…") : _("Shut Down");
+      g_menu_append (menu, label, "indicator.power-off");
+    }
+
+  return G_MENU_MODEL (menu);
+}
+
+static void
+create_menu (IndicatorSessionService * self, int profile)
+{
+  GMenu * menu;
+  GMenu * submenu;
+  GMenuItem * header;
+  GMenuModel * sections[16];
+  int i;
+  int n = 0;
+
+  g_assert (0<=profile && profile<N_PROFILES);
+  g_assert (self->priv->menus[profile].menu == NULL);
+
+  if (profile == PROFILE_DESKTOP)
+    {
+      sections[n++] = create_admin_section ();
+      sections[n++] = create_settings_section (self);
+      sections[n++] = create_switch_section (self);
+      sections[n++] = create_session_section (self, profile);
+    }
+  else if (profile == PROFILE_GREETER)
+    {
+      sections[n++] = create_session_section (self, profile);
+    }
+
+  /* add sections to the submenu */
+  submenu = g_menu_new ();
+  for (i=0; i<n; ++i)
+    {
+      g_menu_append_section (submenu, NULL, sections[i]);
+      g_object_unref (sections[i]);
+    }
+
+  /* add submenu to the header */
+  header = g_menu_item_new (NULL, "indicator._header");
+  g_menu_item_set_attribute (header, "x-canonical-type", "s", "com.canonical.indicator.root");
+  g_menu_item_set_submenu (header, G_MENU_MODEL (submenu));
+  g_object_unref (submenu);
+
+  /* add header to the menu */
+  menu = g_menu_new ();
+  g_menu_append_item (menu, header);
+  g_object_unref (header);
+
+  self->priv->menus[profile].menu = menu;
+  self->priv->menus[profile].submenu = submenu;
+}
+
+/***
+****  GActions
+***/
+
+static IndicatorSessionActions *
+get_backend_actions (gpointer gself)
+{
+  return INDICATOR_SESSION_SERVICE(gself)->priv->backend_actions;
+}
+
+static void
+on_about_activated (GSimpleAction * a      G_GNUC_UNUSED,
+                    GVariant      * param  G_GNUC_UNUSED,
+                    gpointer        gself)
+{
+  indicator_session_actions_about (get_backend_actions(gself));
+}
+
+static void
+on_online_accounts_activated (GSimpleAction * a      G_GNUC_UNUSED,
+                              GVariant      * param  G_GNUC_UNUSED,
+                              gpointer        gself)
+{
+  indicator_session_actions_online_accounts (get_backend_actions(gself));
+}
+
+static void
+on_help_activated (GSimpleAction  * a      G_GNUC_UNUSED,
+                   GVariant       * param  G_GNUC_UNUSED,
+                   gpointer         gself)
+{
+  indicator_session_actions_help (get_backend_actions(gself));
+}
+
+static void
+on_settings_activated (GSimpleAction * a      G_GNUC_UNUSED,
+                       GVariant      * param  G_GNUC_UNUSED,
+                       gpointer        gself)
+{
+  indicator_session_actions_settings (get_backend_actions(gself));
+}
+
+static void
+on_logout_activated (GSimpleAction * a      G_GNUC_UNUSED,
+                     GVariant      * param  G_GNUC_UNUSED,
+                     gpointer        gself)
+{
+  indicator_session_actions_logout (get_backend_actions(gself));
+}
+
+static void
+on_suspend_activated (GSimpleAction * a      G_GNUC_UNUSED,
+                      GVariant      * param  G_GNUC_UNUSED,
+                      gpointer        gself)
+{
+  indicator_session_actions_suspend (get_backend_actions(gself));
+}
+
+static void
+on_hibernate_activated (GSimpleAction * a      G_GNUC_UNUSED,
+                        GVariant      * param  G_GNUC_UNUSED,
+                        gpointer        gself)
+{
+  indicator_session_actions_hibernate (get_backend_actions(gself));
+}
+
+static void
+on_reboot_activated (GSimpleAction * action G_GNUC_UNUSED,
+                     GVariant      * param  G_GNUC_UNUSED,
+                     gpointer        gself)
+{
+  indicator_session_actions_reboot (get_backend_actions(gself));
+}
+
+static void
+on_power_off_activated (GSimpleAction * a     G_GNUC_UNUSED,
+                        GVariant      * param G_GNUC_UNUSED,
+                        gpointer        gself)
+{
+  indicator_session_actions_power_off (get_backend_actions(gself));
+}
+
+static void
+on_guest_activated (GSimpleAction * a     G_GNUC_UNUSED,
+                    GVariant      * param G_GNUC_UNUSED,
+                    gpointer        gself)
+{
+  indicator_session_actions_switch_to_guest (get_backend_actions(gself));
+}
+
+static void
+on_screensaver_activated (GSimpleAction * a      G_GNUC_UNUSED,
+                          GVariant      * param  G_GNUC_UNUSED,
+                          gpointer        gself)
+{
+  indicator_session_actions_switch_to_screensaver (get_backend_actions(gself));
+}
+
+static void
+on_greeter_activated (GSimpleAction * a      G_GNUC_UNUSED,
+                      GVariant      * param  G_GNUC_UNUSED,
+                      gpointer        gself)
+{
+  indicator_session_actions_switch_to_greeter (get_backend_actions(gself));
+}
+
+static void
+on_user_activated (GSimpleAction * a         G_GNUC_UNUSED,
+                   GVariant      * param,
+                   gpointer        gself)
+{
+  const char * username = g_variant_get_string (param, NULL);
+  indicator_session_actions_switch_to_username (get_backend_actions(gself),
+                                                username);
+}
+
+static void
+init_gactions (IndicatorSessionService * self)
+{
+  GVariant * v;
+  GSimpleAction * a;
+  priv_t * p = self->priv;
+
+  GActionEntry entries[] = {
+    { "about",                  on_about_activated           },
+    { "help",                   on_help_activated            },
+    { "hibernate",              on_hibernate_activated       },
+    { "logout",                 on_logout_activated          },
+    { "online-accounts",        on_online_accounts_activated },
+    { "reboot",                 on_reboot_activated          },
+    { "settings",               on_settings_activated        },
+    { "switch-to-screensaver",  on_screensaver_activated     },
+    { "switch-to-greeter",      on_greeter_activated         },
+    { "suspend",                on_suspend_activated         },
+    { "power-off",              on_power_off_activated       }
+  };
+
+  p->actions = g_simple_action_group_new ();
+
+  g_action_map_add_action_entries (G_ACTION_MAP(p->actions),
+                                   entries,
+                                   G_N_ELEMENTS(entries),
+                                   self);
+
+  /* add switch-to-guest action */
+  v = create_guest_switcher_state (self);
+  a = g_simple_action_new_stateful ("switch-to-guest", NULL, v);
+  g_signal_connect (a, "activate", G_CALLBACK(on_guest_activated), self);
+  g_simple_action_group_insert (p->actions, G_ACTION(a));
+  p->guest_switcher_action = a;
+
+  /* add switch-to-user action... parameter is the uesrname */
+  v = create_user_switcher_state (self);
+  a = g_simple_action_new_stateful ("switch-to-user", G_VARIANT_TYPE_STRING, v);
+  g_signal_connect (a, "activate", G_CALLBACK(on_user_activated), self);
+  g_simple_action_group_insert (p->actions, G_ACTION(a));
+  p->user_switcher_action = a;
+
+  /* add the header action */
+  v = g_variant_new ("(sssb)", "label", ICON_DEFAULT, "a11y", TRUE);
+  a = g_simple_action_new_stateful ("_header", NULL, v);
+  g_simple_action_group_insert (p->actions, G_ACTION(a));
+  p->header_action = a;
+
+  rebuild_now (self, SECTION_HEADER);
+}
+
+/***
+****
+***/
+
+/**
+ * A small helper function for rebuild_now().
+ * - removes the previous section
+ * - adds and unrefs the new section
+ */
+static void
+rebuild_section (GMenu * parent, int pos, GMenuModel * new_section)
+{
+  g_menu_remove (parent, pos);
+  g_menu_insert_section (parent, pos, NULL, new_section);
+  g_object_unref (new_section);
+}
+
+static void
+rebuild_now (IndicatorSessionService * self, int sections)
+{
+  priv_t * p = self->priv;
+  struct ProfileMenuInfo * desktop = &p->menus[PROFILE_DESKTOP];
+  struct ProfileMenuInfo * greeter = &p->menus[PROFILE_GREETER];
+
+  if (sections & SECTION_HEADER)
+    {
+      update_header_action (self);
+    }
+
+  if (sections & SECTION_ADMIN)
+    {
+      rebuild_section (desktop->submenu, 0, create_admin_section());
+    }
+
+  if (sections & SECTION_SETTINGS)
+    {
+      rebuild_section (desktop->submenu, 1, create_settings_section(self));
+    }
+
+  if (sections & SECTION_SWITCH)
+    {
+      rebuild_section (desktop->submenu, 2, create_switch_section(self));
+      update_switch_actions (self);
+    }
+
+  if (sections & SECTION_SESSION)
+    {
+      rebuild_section (desktop->submenu, 3, create_session_section(self, PROFILE_DESKTOP));
+      rebuild_section (greeter->submenu, 0, create_session_section(self, PROFILE_GREETER));
+    }
+}
+
+static int
+rebuild_timeout_func (IndicatorSessionService * self)
+{
+  priv_t * p = self->priv;
+  rebuild_now (self, p->rebuild_flags);
+  p->rebuild_flags = 0;
+  p->rebuild_id = 0;
+  return G_SOURCE_REMOVE;
+}
+
+static void
+rebuild_soon (IndicatorSessionService * self, int section)
+{
+  priv_t * p = self->priv;
+
+  p->rebuild_flags |= section;
+
+  if (p->rebuild_id == 0)
+    {
+      /* Change events seem to come over the bus in small bursts. This msec
+         value is an arbitrary number that tries to be large enough to fold
+         multiple events into a single rebuild, but small enough that the
+         user won't notice any lag. */
+      static const int REBUILD_INTERVAL_MSEC = 500;
+
+      p->rebuild_id = g_timeout_add (REBUILD_INTERVAL_MSEC,
+                                     (GSourceFunc)rebuild_timeout_func,
+                                     self);
+    }
+}
+
+/***
+**** GDBus
+***/
+
+static void
+on_bus_acquired (GDBusConnection * connection,
+                 const gchar     * name,
+                 gpointer          gself)
+{
+  int i;
+  guint id;
+  GError * err = NULL;
+  IndicatorSessionService * self = INDICATOR_SESSION_SERVICE(gself);
+  priv_t * p = self->priv;
+
+  g_debug ("bus acquired: %s", name);
+
+  p->conn = g_object_ref (G_OBJECT (connection));
+
+  /* export the actions */
+  if ((id = g_dbus_connection_export_action_group (connection,
+                                                   BUS_PATH,
+                                                   G_ACTION_GROUP (p->actions),
+                                                   &err)))
+    {
+      p->actions_export_id = id;
+    }
+  else
+    {
+      g_warning ("cannot export action group: %s", err->message);
+      g_clear_error (&err);
+    }
+
+  /* export the menus */
+  for (i=0; i<N_PROFILES; ++i)
+    {
+      char * path = g_strdup_printf ("%s/%s", BUS_PATH, menu_names[i]);
+      struct ProfileMenuInfo * menu = &p->menus[i];
+
+      if (menu->menu == NULL)
+        create_menu (self, i);
+
+      if ((id = g_dbus_connection_export_menu_model (connection,
+                                                     path,
+                                                     G_MENU_MODEL (menu->menu),
+                                                     &err)))
+        {
+          menu->export_id = id;
+        }
+      else
+        {
+          g_warning ("cannot export %s menu: %s", menu_names[i], err->message);
+          g_clear_error (&err);
+        }
+
+      g_free (path);
+    }
+}
+
+static void
+unexport (IndicatorSessionService * self)
+{
+  int i;
+  priv_t * p = self->priv;
+
+  /* unexport the menus */
+  for (i=0; i<N_PROFILES; ++i)
+    {
+      guint * id = &self->priv->menus[i].export_id;
+
+      if (*id)
+        {
+          g_dbus_connection_unexport_menu_model (p->conn, *id);
+          *id = 0;
+        }
+    }
+
+  /* unexport the actions */
+  if (p->actions_export_id)
+    {
+      g_dbus_connection_unexport_action_group (p->conn, p->actions_export_id);
+      p->actions_export_id = 0;
+    }
+}
+
+static void
+on_name_lost (GDBusConnection * connection G_GNUC_UNUSED,
+              const gchar     * name,
+              gpointer          gself)
+{
+  IndicatorSessionService * self = INDICATOR_SESSION_SERVICE (gself);
+
+  g_debug ("%s %s name lost %s", G_STRLOC, G_STRFUNC, name);
+
+  unexport (self);
+
+  g_signal_emit (self, signals[NAME_LOST], 0, NULL);
+}
+
+/***
+****
+***/
+
+static void
+/* cppcheck-suppress unusedFunction */
+indicator_session_service_init (IndicatorSessionService * self)
+{
+  GList * l;
+  GList * uids;
+  priv_t * p;
+  gpointer gp;
+
+  /* init our priv pointer */
+  p = G_TYPE_INSTANCE_GET_PRIVATE (self,
+                                   INDICATOR_TYPE_SESSION_SERVICE,
+                                   IndicatorSessionServicePrivate);
+  p->indicator_settings = g_settings_new ("com.canonical.indicator.session");
+  p->keybinding_settings = g_settings_new ("org.gnome.settings-daemon.plugins.media-keys");
+  self->priv = p;
+
+  /* init the backend objects */
+  p->cancellable = g_cancellable_new ();
+  backend_get (p->cancellable, &p->backend_actions,
+                               &p->backend_users,
+                               &p->backend_guest);
+
+  /* init our key-to-User table */
+  p->users = g_hash_table_new_full (g_direct_hash,
+                                    g_direct_equal,
+                                    NULL,
+                                    (GDestroyNotify)indicator_session_user_free);
+  uids = indicator_session_users_get_uids (p->backend_users);
+  for (l=uids; l!=NULL; l=l->next)
+    add_user (self, GPOINTER_TO_UINT(l->data));
+  g_list_free (uids);
+
+  init_gactions (self);
+
+  /* watch for changes in backend_users */
+  gp = p->backend_users;
+  g_signal_connect (gp, INDICATOR_SESSION_USERS_SIGNAL_USER_ADDED,
+                    G_CALLBACK(on_user_added), self);
+  g_signal_connect (gp, INDICATOR_SESSION_USERS_SIGNAL_USER_CHANGED,
+                    G_CALLBACK(on_user_changed), self);
+  g_signal_connect (gp, INDICATOR_SESSION_USERS_SIGNAL_USER_REMOVED,
+                    G_CALLBACK(on_user_removed), self);
+  g_signal_connect_swapped (gp, "notify::is-live-session",
+                            G_CALLBACK(rebuild_switch_section_soon), self);
+
+  /* watch for changes in backend_guest */
+  gp = p->backend_guest;
+  g_signal_connect_swapped (gp, "notify::guest-is-active-session",
+                            G_CALLBACK(rebuild_header_soon), self);
+  g_signal_connect_swapped (gp, "notify",
+                            G_CALLBACK(rebuild_switch_section_soon), self);
+
+  /* watch for updates in backend_actions */
+  gp = p->backend_actions;
+  g_signal_connect_swapped (gp, "notify",
+                            G_CALLBACK(rebuild_switch_section_soon), self);
+  g_signal_connect_swapped (gp, "notify",
+                            G_CALLBACK(rebuild_session_section_soon), self);
+  g_signal_connect_swapped (gp, "notify::has-online-account-error",
+                            G_CALLBACK(rebuild_header_soon), self);
+  g_signal_connect_swapped (gp, "notify::has-online-account-error",
+                            G_CALLBACK(rebuild_settings_section_soon), self);
+
+  /* watch for changes in the indicator's settings */
+  gp = p->indicator_settings;
+  g_signal_connect_swapped (gp, "changed::suppress-logout-restart-shutdown",
+                            G_CALLBACK(rebuild_switch_section_soon), self);
+  g_signal_connect_swapped (gp, "changed::suppress-logout-restart-shutdown",
+                            G_CALLBACK(rebuild_session_section_soon), self);
+  g_signal_connect_swapped (gp, "changed::suppress-shutdown-menuitem",
+                            G_CALLBACK(rebuild_session_section_soon), self);
+  g_signal_connect_swapped (gp, "changed::show-real-name-on-panel",
+                            G_CALLBACK(rebuild_header_soon), self);
+
+  /* watch for changes to the lock keybinding */
+  gp = p->keybinding_settings;
+  g_signal_connect_swapped (gp, "changed::screensaver",
+                            G_CALLBACK(rebuild_switch_section_soon), self);
+
+  self->priv->own_id = g_bus_own_name (G_BUS_TYPE_SESSION,
+                                       BUS_NAME,
+                                       G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT,
+                                       on_bus_acquired,
+                                       NULL,
+                                       on_name_lost,
+                                       self,
+                                       NULL);
+}
+
+/***
+****  GObject plumbing: properties
+***/
+
+static void
+my_get_property (GObject     * o,
+                  guint         property_id,
+                  GValue      * value,
+                  GParamSpec  * pspec)
+{
+  IndicatorSessionService * self = INDICATOR_SESSION_SERVICE (o);
+ 
+  switch (property_id)
+    {
+      case PROP_MAX_USERS:
+        g_value_set_uint (value, self->priv->max_users);
+        break;
+ 
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (o, property_id, pspec);
+    }
+}
+
+static void
+my_set_property (GObject       * o,
+                 guint           property_id,
+                 const GValue  * value,
+                 GParamSpec    * pspec)
+{
+  IndicatorSessionService * self = INDICATOR_SESSION_SERVICE (o);
+
+  switch (property_id)
+    {
+      case PROP_MAX_USERS:
+        self->priv->max_users = g_value_get_uint (value);
+        rebuild_switch_section_soon (self);
+        break;
+
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (o, property_id, pspec);
+    }
+}
+
+/***
+****  GObject plumbing: life cycle
+***/
+
+static void
+my_dispose (GObject * o)
+{
+  int i;
+  IndicatorSessionService * self = INDICATOR_SESSION_SERVICE(o);
+  priv_t * p = self->priv;
+
+  if (p->own_id)
+    {
+      g_bus_unown_name (p->own_id);
+      p->own_id = 0;
+    }
+
+  unexport (self);
+
+  if (p->cancellable != NULL)
+    {
+      g_cancellable_cancel (p->cancellable);
+      g_clear_object (&p->cancellable);
+    }
+
+  if (p->rebuild_id)
+    {
+      g_source_remove (p->rebuild_id);
+      p->rebuild_id = 0;
+    }
+
+  g_clear_pointer (&p->users, g_hash_table_destroy);
+  g_clear_object (&p->backend_users);
+  g_clear_object (&p->backend_guest);
+  g_clear_object (&p->backend_actions);
+  g_clear_object (&p->indicator_settings);
+  g_clear_object (&p->keybinding_settings);
+  g_clear_object (&p->actions);
+
+  for (i=0; i<N_PROFILES; ++i)
+    g_clear_object (&p->menus[i].menu);
+
+  g_clear_object (&p->header_action);
+  g_clear_object (&p->user_switcher_action);
+  g_clear_object (&p->guest_switcher_action);
+  g_clear_object (&p->conn);
+
+  G_OBJECT_CLASS (indicator_session_service_parent_class)->dispose (o);
+}
+
+static void
+/* cppcheck-suppress unusedFunction */
+indicator_session_service_class_init (IndicatorSessionServiceClass * klass)
+{
+  GObjectClass * object_class = G_OBJECT_CLASS (klass);
+
+  object_class->dispose = my_dispose;
+  object_class->get_property = my_get_property;
+  object_class->set_property = my_set_property;
+
+  g_type_class_add_private (klass, sizeof (IndicatorSessionServicePrivate));
+
+  signals[NAME_LOST] = g_signal_new (INDICATOR_SESSION_SERVICE_SIGNAL_NAME_LOST,
+                                     G_TYPE_FROM_CLASS(klass),
+                                     G_SIGNAL_RUN_LAST,
+                                     G_STRUCT_OFFSET (IndicatorSessionServiceClass, name_lost),
+                                     NULL, NULL,
+                                     g_cclosure_marshal_VOID__VOID,
+                                     G_TYPE_NONE, 0);
+
+  properties[PROP_0] = NULL;
+
+  properties[PROP_MAX_USERS] = g_param_spec_uint ("max-users",
+                                                  "Max Users",
+                                                  "Max visible users",
+                                                  0, INT_MAX, 12,
+                                                  G_PARAM_READWRITE |
+                                                  G_PARAM_CONSTRUCT |
+                                                  G_PARAM_STATIC_STRINGS);
+
+  g_object_class_install_properties (object_class, PROP_LAST, properties);
+}
+
+IndicatorSessionService *
+indicator_session_service_new (void)
+{
+  GObject * o = g_object_new (INDICATOR_TYPE_SESSION_SERVICE, NULL);
+
+  return INDICATOR_SESSION_SERVICE (o);
+}
diff --git a/src/service.h b/src/service.h
new file mode 100644
index 0000000..fa870e5
--- /dev/null
+++ b/src/service.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#ifndef __INDICATOR_SESSION_SERVICE_H__
+#define __INDICATOR_SESSION_SERVICE_H__
+
+#include <glib.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+/* standard GObject macros */
+#define INDICATOR_TYPE_SESSION_SERVICE          (indicator_session_service_get_type())
+#define INDICATOR_SESSION_SERVICE(o)            (G_TYPE_CHECK_INSTANCE_CAST ((o), INDICATOR_TYPE_SESSION_SERVICE, IndicatorSessionService))
+#define INDICATOR_SESSION_SERVICE_GET_CLASS(o)  (G_TYPE_INSTANCE_GET_CLASS ((o), INDICATOR_TYPE_SESSION_SERVICE, IndicatorSessionServiceClass))
+#define INDICATOR_SESSION_SERVICE_CLASS(k)      (G_TYPE_CHECK_CLASS_CAST ((k), INDICATOR_TYPE_SESSION_SERVICE, IndicatorSessionServiceClass))
+#define INDICATOR_IS_SESSION_SERVICE(o)         (G_TYPE_CHECK_INSTANCE_TYPE ((o), INDICATOR_TYPE_SESSION_SERVICE))
+
+typedef struct _IndicatorSessionService         IndicatorSessionService;
+typedef struct _IndicatorSessionServiceClass    IndicatorSessionServiceClass;
+typedef struct _IndicatorSessionServicePrivate  IndicatorSessionServicePrivate;
+
+/* signal keys */
+#define INDICATOR_SESSION_SERVICE_SIGNAL_NAME_LOST   "name-lost"
+
+/**
+ * The Indicator Session Service.
+ */
+struct _IndicatorSessionService
+{
+  /*< private >*/
+  GObject parent;
+  IndicatorSessionServicePrivate * priv;
+};
+
+struct _IndicatorSessionServiceClass
+{
+  GObjectClass parent_class;
+
+  /* signals */
+
+  void (* name_lost)(IndicatorSessionService * self);
+};
+
+/***
+****
+***/
+
+GType indicator_session_service_get_type (void);
+
+IndicatorSessionService * indicator_session_service_new (void);
+
+G_END_DECLS
+
+#endif /* __INDICATOR_SESSION_SERVICE_H__ */
diff --git a/src/session-dbus.c b/src/session-dbus.c
deleted file mode 100644
index 4ece444..0000000
--- a/src/session-dbus.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/*
-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);
-		}
-	}
-
-}
diff --git a/src/session-dbus.h b/src/session-dbus.h
deleted file mode 100644
index 7520f06..0000000
--- a/src/session-dbus.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
-The Dbus object on the bus for the indicator.
-
-Copyright 2010 Canonical Ltd.
-
-Authors:
-    Ted Gould <ted@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/>.
-*/
-
-#ifndef __SESSION_DBUS_H__
-#define __SESSION_DBUS_H__
-
-#include <glib.h>
-#include <glib-object.h>
-
-G_BEGIN_DECLS
-
-#define SESSION_DBUS_TYPE            (session_dbus_get_type ())
-#define SESSION_DBUS(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), SESSION_DBUS_TYPE, SessionDbus))
-#define SESSION_DBUS_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), SESSION_DBUS_TYPE, SessionDbusClass))
-#define IS_SESSION_DBUS(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SESSION_DBUS_TYPE))
-#define IS_SESSION_DBUS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SESSION_DBUS_TYPE))
-#define SESSION_DBUS_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), SESSION_DBUS_TYPE, SessionDbusClass))
-
-typedef struct _SessionDbus      SessionDbus;
-typedef struct _SessionDbusClass SessionDbusClass;
-
-struct _SessionDbusClass {
-	GObjectClass parent_class;
-	void (*icon_updated) (SessionDbus * session, gchar * icon, gpointer user_data);
-};
-
-struct _SessionDbus {
-	GObject parent;
-};
-
-GType session_dbus_get_type (void);
-SessionDbus * session_dbus_new (void);
-void session_dbus_set_name (SessionDbus * session, const gchar * name);
-void session_dbus_set_users_real_name (SessionDbus * session, const gchar * name);
-void session_dbus_restart_required (SessionDbus* session);
-G_END_DECLS
-
-#endif
diff --git a/src/session-dbus.xml b/src/session-dbus.xml
deleted file mode 100644
index 96e9837..0000000
--- a/src/session-dbus.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
-<node name="/com/canonical/indicator/session/service">
-  <interface name="com.canonical.indicator.session.service">
-
-    <method name="GetUserRealName">
-      <arg name="name" direction="out" type="s"/>
-    </method>
-    <method name="GetUserMenuVisibility">
-      <arg name="update" direction="out" type="b"/>
-    </method>
-    <signal name="UserRealNameUpdated">
-      <arg name="name" type="s"/>
-    </signal>
-    <signal name="UserMenuIsVisible">
-      <arg name="update" type="b"/>
-    </signal>
-    <signal name="RestartRequired">
-    </signal>
-  </interface>
-</node>
diff --git a/src/session-menu-mgr.c b/src/session-menu-mgr.c
deleted file mode 100644
index c406009..0000000
--- a/src/session-menu-mgr.c
+++ /dev/null
@@ -1,1330 +0,0 @@
-/*
-Copyright 2011 Canonical Ltd.
-
-Authors:
-    Charles Kerr <charles.kerr@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/>.
-*/
-
-#include "config.h"
-
-#include <sys/types.h>
-#include <pwd.h> /* geteuid(), getpwuid() */
-
-#include <glib.h>
-#include <glib/gi18n.h>
-
-#include <libdbusmenu-glib/client.h>
-#include <libdbusmenu-gtk/menuitem.h>
-
-#include "dbus-login1-manager.h"
-#include "session-menu-mgr.h"
-#include "shared-names.h"
-#include "users-service-dbus.h"
-#include "online-accounts-mgr.h"
-
-#define DEBUG_SHOW_ALL FALSE
-
-#define LOGIN1_MANAGER_ADDRESS    "org.freedesktop.login1"
-#define LOGIN1_MANAGER_PATH       "/org/freedesktop/login1"
-
-#define CMD_HELP            "yelp"
-#define CMD_INFO            "gnome-control-center info"
-#define CMD_SYSTEM_SETTINGS "gnome-control-center"
-#ifdef HAVE_GTKLOGOUTHELPER
- #define HAVE_RESTART_CMD TRUE
- #define CMD_RESTART  LIBEXECDIR"/gtk-logout-helper --restart"
- #define CMD_LOGOUT   LIBEXECDIR"/gtk-logout-helper --logout"
- #define CMD_SHUTDOWN LIBEXECDIR"/gtk-logout-helper --shutdown"
-#else
- #define HAVE_RESTART_CMD FALSE /* hmm, no gnome-session-quit --restart? */
- #define CMD_RESTART  ""
- #define CMD_LOGOUT   "gnome-session-quit --logout"
- #define CMD_SHUTDOWN "gnome-session-quit --power-off"
-#endif
-
-/**
- * Which switch menuitem to show -- based on lockdown settings,
- * greeter mode, number of users in the system, and so on.
- * See get_switcher_mode()
- */
-typedef enum
-{
-  SWITCHER_MODE_SCREENSAVER,
-  SWITCHER_MODE_LOCK,
-  SWITCHER_MODE_SWITCH,
-  SWITCHER_MODE_SWITCH_OR_LOCK,
-  SWITCHER_MODE_NONE
-}
-SwitcherMode;
-
-/**
- * Creates and manages the menumodel and associated actions for the
- * session menu described at <https://wiki.ubuntu.com/SystemMenu>.
- *
- * This is a pretty straightforward class: it creates the menumodel
- * and listens for events that can affect the model's properties.
- *
- * Simple event sources, such as GSettings and a logind DBus proxy,
- * are handled here. More involved event sources are delegated to the
- * UsersServiceDBus facade class.
- */
-struct _SessionMenuMgr
-{
-  GObject parent_instance;
-
-  DbusmenuMenuitem * top_mi;
-  DbusmenuMenuitem * screensaver_mi;
-  DbusmenuMenuitem * lock_mi;
-  DbusmenuMenuitem * lock_switch_mi;
-  DbusmenuMenuitem * guest_mi;
-  DbusmenuMenuitem * online_accounts_mi;
-  DbusmenuMenuitem * logout_mi;
-  DbusmenuMenuitem * suspend_mi;
-  DbusmenuMenuitem * hibernate_mi;
-  DbusmenuMenuitem * restart_mi;
-  DbusmenuMenuitem * shutdown_mi;
-
-  GSList * user_menuitems;
-  gint user_menuitem_index;
-
-  GSettings * lockdown_settings;
-  GSettings * indicator_settings;
-  GSettings * keybinding_settings;
-
-  /* cached settings taken from the logind proxy */
-  gboolean can_hibernate;
-  gboolean can_suspend;
-
-  gboolean shell_mode;
-  gboolean greeter_mode;
-
-  guint shell_name_watcher;
-  GCancellable * cancellable;
-  Login1Manager * login1_manager_proxy;
-  SessionDbus * session_dbus;
-  UsersServiceDbus * users_dbus_facade;
-  OnlineAccountsMgr * online_accounts_mgr;
-};
-
-static SwitcherMode get_switcher_mode         (SessionMenuMgr *);
-
-static void init_login1_proxy                 (SessionMenuMgr *);
-static void init_shell_watcher                (SessionMenuMgr *);
-
-static void update_screensaver_shortcut       (SessionMenuMgr *);
-static void update_user_menuitems             (SessionMenuMgr *);
-static void update_session_menuitems          (SessionMenuMgr *);
-static void update_confirmation_labels        (SessionMenuMgr *);
-
-static void action_func_lock                  (SessionMenuMgr *);
-static void action_func_suspend               (SessionMenuMgr *);
-static void action_func_hibernate             (SessionMenuMgr *);
-static void action_func_shutdown              (SessionMenuMgr *);
-static void action_func_reboot                (SessionMenuMgr *);
-static void action_func_logout                (SessionMenuMgr *);
-static void action_func_switch_to_lockscreen  (SessionMenuMgr *);
-static void action_func_switch_to_greeter     (SessionMenuMgr *);
-static void action_func_switch_to_guest       (SessionMenuMgr *);
-static void action_func_switch_to_user        (AccountsUser   *);
-static void action_func_spawn_async           (const char * cmd);
-
-static gboolean is_this_guest_session         (void);
-static gboolean is_this_live_session          (void);
-
-static void on_guest_logged_in_changed        (UsersServiceDbus *,
-                                               SessionMenuMgr   *);
-
-static void on_user_logged_in_changed         (UsersServiceDbus *,
-                                               AccountsUser     *,
-                                               SessionMenuMgr   *);
-
-/**
-***  GObject init / dispose
-**/
-
-G_DEFINE_TYPE (SessionMenuMgr, session_menu_mgr, G_TYPE_OBJECT);
-
-static void
-session_menu_mgr_init (SessionMenuMgr *mgr)
-{
-  mgr->top_mi = dbusmenu_menuitem_new ();
-
-  /* Lockdown settings */
-  GSettings * s = g_settings_new ("org.gnome.desktop.lockdown");
-  g_signal_connect_swapped (s, "changed::disable-log-out",
-                            G_CALLBACK(update_session_menuitems), mgr);
-  g_signal_connect_swapped (s, "changed::disable-lock-screen",
-                            G_CALLBACK(update_user_menuitems), mgr);
-  g_signal_connect_swapped (s, "changed::disable-user-switching",
-                            G_CALLBACK(update_user_menuitems), mgr);
-  mgr->lockdown_settings = s;
-
-  /* Indicator settings */
-  s = g_settings_new ("com.canonical.indicator.session");
-  g_signal_connect_swapped (s, "changed::suppress-logout-restart-shutdown",
-                            G_CALLBACK(update_confirmation_labels), mgr);
-  g_signal_connect_swapped (s, "changed::suppress-logout-restart-shutdown",
-                            G_CALLBACK(update_session_menuitems), mgr);
-  g_signal_connect_swapped (s, "changed::suppress-logout-menuitem",
-                            G_CALLBACK(update_session_menuitems), mgr);
-  g_signal_connect_swapped (s, "changed::suppress-restart-menuitem",
-                            G_CALLBACK(update_session_menuitems), mgr);
-  g_signal_connect_swapped (s, "changed::suppress-shutdown-menuitem",
-                            G_CALLBACK(update_session_menuitems), mgr);
-  mgr->indicator_settings = s;
-
-  /* Keybinding settings */
-  s = g_settings_new ("org.gnome.settings-daemon.plugins.media-keys");
-  g_signal_connect_swapped (s, "changed::screensaver",
-                            G_CALLBACK(update_screensaver_shortcut), mgr);
-  mgr->keybinding_settings = s;
-
-  /* listen for user events */
-  mgr->users_dbus_facade = g_object_new (USERS_SERVICE_DBUS_TYPE, NULL);
-  g_signal_connect_swapped (mgr->users_dbus_facade, "user-list-changed",
-                            G_CALLBACK (update_user_menuitems), mgr);
-  g_signal_connect (mgr->users_dbus_facade, "user-logged-in-changed",
-                    G_CALLBACK(on_user_logged_in_changed), mgr);
-  g_signal_connect (mgr->users_dbus_facade, "guest-logged-in-changed",
-                    G_CALLBACK(on_guest_logged_in_changed), mgr);
-
-  init_login1_proxy (mgr);
-  init_shell_watcher (mgr);
-
-  /* Online accounts menu item */
-  mgr->online_accounts_mgr = online_accounts_mgr_new ();
-}
-
-static void
-session_menu_mgr_dispose (GObject *object)
-{
-  SessionMenuMgr * mgr = SESSION_MENU_MGR (object);
-
-  if (mgr->cancellable != NULL)
-    {
-      g_cancellable_cancel (mgr->cancellable);
-      g_clear_object (&mgr->cancellable);
-     }
-
-  g_clear_object (&mgr->indicator_settings);
-  g_clear_object (&mgr->lockdown_settings);
-  g_clear_object (&mgr->keybinding_settings);
-  g_clear_object (&mgr->login1_manager_proxy);
-  g_clear_object (&mgr->users_dbus_facade);
-  g_clear_object (&mgr->top_mi);
-  g_clear_object (&mgr->session_dbus);
-  g_clear_object (&mgr->online_accounts_mgr);
-
-  g_slist_free (mgr->user_menuitems);
-  mgr->user_menuitems = NULL;
-
-  if (mgr->shell_name_watcher)
-    {
-      g_bus_unwatch_name (mgr->shell_name_watcher);
-    }
-
-  G_OBJECT_CLASS (session_menu_mgr_parent_class)->dispose (object);
-}
-
-static void
-session_menu_mgr_class_init (SessionMenuMgrClass * klass)
-{
-  GObjectClass* object_class = G_OBJECT_CLASS (klass);
-  object_class->dispose = session_menu_mgr_dispose;
-}
-
-static gboolean
-can_perform_operation (gchar * permission)
-{
-  return g_strcmp0 ("yes", permission) == 0;
-}
-
-static void
-init_login1_proxy (SessionMenuMgr * mgr)
-{
-  /* default values */
-  mgr->can_suspend = TRUE;
-  mgr->can_hibernate = TRUE;
-
-  gchar * can_suspend;
-  gchar * can_hibernate;
-
-  mgr->cancellable = g_cancellable_new ();
-
-  GError * error = NULL;
-  mgr->login1_manager_proxy = login1_manager_proxy_new_for_bus_sync (
-                         G_BUS_TYPE_SYSTEM,
-                         G_DBUS_PROXY_FLAGS_NONE,
-                         LOGIN1_MANAGER_ADDRESS,
-                         LOGIN1_MANAGER_PATH,
-                         NULL,
-                         &error);
-  if (error != NULL)
-    {
-      g_warning ("Error creating logind proxy: %s", error->message);
-      g_clear_error (&error);
-    }
-  else
-    {
-      login1_manager_call_can_suspend_sync (mgr->login1_manager_proxy,
-					    &can_suspend,
-					    NULL,
-					    &error);
-      if (error != NULL)
-        {
-          g_warning ("%s: %s", G_STRFUNC, error->message);
-          g_clear_error (&error);
-        }
-      else
-	{
-	  mgr->can_suspend = can_perform_operation (can_suspend);
-	}
-
-      login1_manager_call_can_hibernate_sync (mgr->login1_manager_proxy,
-					    &can_hibernate,
-					    NULL,
-					    &error);
-      if (error != NULL)
-        {
-          g_warning ("%s: %s", G_STRFUNC, error->message);
-          g_clear_error (&error);
-        }
-      else
-	{
-	  mgr->can_hibernate = can_perform_operation (can_hibernate);
-	}
-
-    }
-}
-
-static void
-on_shell_name_appeared (GDBusConnection *connection, const gchar *name,
-                        const gchar *name_owner, gpointer user_data)
-{
-  SessionMenuMgr * mgr = SESSION_MENU_MGR(user_data);
-
-  g_debug("Shell appeared");
-  mgr->shell_mode = TRUE;
-  update_session_menuitems (mgr);
-}
-
-static void
-on_shell_name_vanished (GDBusConnection *connection, const gchar *name, gpointer user_data)
-{
-  SessionMenuMgr * mgr = SESSION_MENU_MGR(user_data);
-
-  g_debug("Shell vanished");
-  mgr->shell_mode = FALSE;
-  update_session_menuitems (mgr);
-}
-
-static void
-init_shell_watcher (SessionMenuMgr * mgr)
-{
-  mgr->shell_name_watcher = g_bus_watch_name (G_BUS_TYPE_SESSION, "org.gnome.Shell",
-                                              G_BUS_NAME_WATCHER_FLAGS_NONE,
-                                              on_shell_name_appeared,
-                                              on_shell_name_vanished,
-                                              mgr, NULL);
-}
-
-/***
-****  Menuitem Helpers
-***/
-
-static inline void
-mi_set_label (DbusmenuMenuitem * mi, const char * str)
-{
-  dbusmenu_menuitem_property_set (mi, DBUSMENU_MENUITEM_PROP_LABEL, str);
-}
-
-static inline void
-mi_set_type (DbusmenuMenuitem * mi, const char * str)
-{
-  dbusmenu_menuitem_property_set (mi, DBUSMENU_MENUITEM_PROP_TYPE, str);
-}
-
-static inline void
-mi_set_visible (DbusmenuMenuitem * mi, gboolean b)
-{
-  dbusmenu_menuitem_property_set_bool (mi, DBUSMENU_MENUITEM_PROP_VISIBLE,
-                                       b || DEBUG_SHOW_ALL);
-}
-
-static inline void
-mi_set_logged_in (DbusmenuMenuitem * mi, gboolean b)
-{
-  dbusmenu_menuitem_property_set_bool (mi, USER_ITEM_PROP_LOGGED_IN, b);
-}
-
-static DbusmenuMenuitem*
-mi_new_separator (void)
-{
-  DbusmenuMenuitem * mi = dbusmenu_menuitem_new ();
-  mi_set_type (mi, DBUSMENU_CLIENT_TYPES_SEPARATOR);
-  return mi;
-}
-
-static DbusmenuMenuitem*
-mi_new (const char * label)
-{
-  DbusmenuMenuitem * mi = dbusmenu_menuitem_new ();
-  mi_set_label (mi, label);
-  return mi;
-}
-
-static void
-check_online_accounts_status (SessionMenuMgr * mgr, DbusmenuMenuitem * mi)
-{
-  const gchar *disposition;
-  gboolean on_alert;
-
-  disposition =
-    dbusmenu_menuitem_property_get (mi, DBUSMENU_MENUITEM_PROP_DISPOSITION);
-  on_alert = g_strcmp0 (disposition, DBUSMENU_MENUITEM_DISPOSITION_ALERT) == 0;
-
-  mi_set_visible (mi, on_alert);
-}
-
-static void
-on_online_accounts_changed (SessionMenuMgr * mgr, const gchar * property,
-                            GVariant *value, DbusmenuMenuitem *mi)
-{
-  if (g_strcmp0 (property, DBUSMENU_MENUITEM_PROP_DISPOSITION) == 0)
-  {
-    check_online_accounts_status(mgr, mi);
-  }
-}
-
-/***
-****  Admin Menuitems
-****  <https://wiki.ubuntu.com/SystemMenu#Admin_items>
-***/
-
-static void
-build_admin_menuitems (SessionMenuMgr * mgr)
-{
-  if (!mgr->greeter_mode)
-  {
-    DbusmenuMenuitem * mi;
-    const gboolean show_settings = !mgr->greeter_mode;
-
-    mi = mi_new (_("About This Computer"));
-    dbusmenu_menuitem_child_append (mgr->top_mi, mi);
-    g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                              G_CALLBACK(action_func_spawn_async), CMD_INFO);
-
-    mi = mi_new (_("Ubuntu Help"));
-    dbusmenu_menuitem_child_append (mgr->top_mi, mi);
-    g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                              G_CALLBACK(action_func_spawn_async), CMD_HELP);
-
-    mi = mi_new_separator ();
-    mi_set_visible (mi, show_settings);
-    dbusmenu_menuitem_child_append (mgr->top_mi, mi);
-
-    mi = mi_new (_("System Settings\342\200\246"));
-    mi_set_visible (mi, show_settings);
-    dbusmenu_menuitem_child_append (mgr->top_mi, mi);
-    g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                              G_CALLBACK(action_func_spawn_async),
-                              CMD_SYSTEM_SETTINGS);
-
-    mi = mgr->online_accounts_mi =
-      online_accounts_mgr_get_menu_item (mgr->online_accounts_mgr);
-    dbusmenu_menuitem_child_append (mgr->top_mi, mi);
-    g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_PROPERTY_CHANGED,
-                              G_CALLBACK(on_online_accounts_changed),
-                              mgr);
-    check_online_accounts_status (mgr, mi);
-
-    mi = mi_new_separator ();
-    dbusmenu_menuitem_child_append (mgr->top_mi, mi);
-  }
-}
-
-/***
-****  Session Menuitems
-****  <https://wiki.ubuntu.com/SystemMenu#Session_items>
-***/
-
-static void
-update_session_menuitems (SessionMenuMgr * mgr)
-{
-  gboolean v;
-  GSettings * s = mgr->indicator_settings;
-
-  v = !mgr->greeter_mode
-   && !is_this_live_session()
-   && !g_settings_get_boolean (mgr->lockdown_settings, "disable-log-out")
-   && !g_settings_get_boolean (s, "suppress-logout-menuitem");
-  mi_set_visible (mgr->logout_mi, v);
-
-  mi_set_visible (mgr->suspend_mi, mgr->can_suspend);
-
-  mi_set_visible (mgr->hibernate_mi, mgr->can_hibernate);
-
-  v = (!mgr->shell_mode || g_settings_get_boolean (s, "suppress-logout-restart-shutdown"))
-   && (HAVE_RESTART_CMD || mgr->shell_mode)
-   && !g_settings_get_boolean (s, "suppress-restart-menuitem");
-  mi_set_visible (mgr->restart_mi, v);
-
-  v = !g_settings_get_boolean (s, "suppress-shutdown-menuitem");
-  mi_set_visible (mgr->shutdown_mi, v);
-}
-
-/* Update the ellipses when the confirmation setting changes.
- *
- * <http://developer.gnome.org/hig-book/3.0/menus-design.html.en>:
- * "Label the menu item with a trailing ellipsis ("...") only if the
- * command requires further input from the user before it can be performed."
- */
-static void
-update_confirmation_labels (SessionMenuMgr * mgr)
-{
-  const gboolean confirm_needed = !g_settings_get_boolean (
-                                       mgr->indicator_settings,
-                                       "suppress-logout-restart-shutdown");
-
-  mi_set_label (mgr->logout_mi, confirm_needed ? _("Log Out\342\200\246")
-                                               : _("Log Out"));
-
-  mi_set_label (mgr->shutdown_mi, confirm_needed ? _("Shut Down\342\200\246")
-                                                 : _("Shut Down"));
-
-  mi_set_label (mgr->restart_mi, confirm_needed ? _("Restart\342\200\246")
-                                                 : _("Restart"));
-}
-
-static void
-build_session_menuitems (SessionMenuMgr* mgr)
-{
-  DbusmenuMenuitem * mi;
-
-  mi = mgr->logout_mi = mi_new (_("Log Out\342\200\246"));
-  dbusmenu_menuitem_child_append (mgr->top_mi, mi);
-  g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                            G_CALLBACK(action_func_logout), mgr);
-
-  mi = mgr->suspend_mi = mi_new (_("Suspend"));
-  dbusmenu_menuitem_child_append (mgr->top_mi, mi);
-  g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                            G_CALLBACK(action_func_suspend), mgr);
-
-  mi = mgr->hibernate_mi = mi_new (_("Hibernate"));
-  dbusmenu_menuitem_child_append (mgr->top_mi, mi);
-  g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                            G_CALLBACK(action_func_hibernate), mgr);
-
-  mi = mgr->restart_mi = mi_new (_("Restart\342\200\246"));
-  dbusmenu_menuitem_child_append (mgr->top_mi, mi);
-  g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                            G_CALLBACK(action_func_reboot), mgr);
-
-  mi = mgr->shutdown_mi = mi_new (_("Shut Down\342\200\246"));
-  dbusmenu_menuitem_child_append (mgr->top_mi, mi);
-  g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                            G_CALLBACK(action_func_shutdown), mgr);
-
-  update_confirmation_labels (mgr);
-  update_session_menuitems (mgr);
-}
-
-/****
-*****  User Menuitems
-*****  https://wiki.ubuntu.com/SystemMenu#Account-switching_items
-****/
-
-/* Local extensions to AccountsUser */
-
-static GQuark
-get_menuitem_quark (void)
-{
-  static GQuark q = 0;
-
-  if (G_UNLIKELY(!q))
-    {
-      q = g_quark_from_static_string ("menuitem");
-    }
-
-  return q;
-}
-
-static DbusmenuMenuitem*
-user_get_menuitem (AccountsUser * user)
-{
-  return g_object_get_qdata (G_OBJECT(user), get_menuitem_quark());
-}
-
-static void
-user_clear_menuitem (AccountsUser * user)
-{
-  g_object_steal_qdata (G_OBJECT(user), get_menuitem_quark());
-}
-
-static void
-user_set_menuitem (AccountsUser * user, DbusmenuMenuitem * mi)
-{
-  g_object_set_qdata (G_OBJECT(user), get_menuitem_quark(), mi);
-
-  g_object_weak_ref (G_OBJECT(mi), (GWeakNotify)user_clear_menuitem, user);
-}
-
-/***/
-
-static GQuark
-get_mgr_quark (void)
-{
-  static GQuark q = 0;
-
-  if (G_UNLIKELY(!q))
-    {
-      q = g_quark_from_static_string ("session-menu-mgr");
-    }
-
-  return q;
-}
-
-static SessionMenuMgr*
-user_get_mgr (AccountsUser * user)
-{
-  return g_object_get_qdata (G_OBJECT(user), get_mgr_quark());
-}
-
-static void
-user_set_mgr (AccountsUser * user, SessionMenuMgr * mgr)
-{
-  g_object_set_qdata (G_OBJECT(user), get_mgr_quark(), mgr);
-}
-
-/***/
-
-static GQuark
-get_collision_quark (void)
-{
-  static GQuark q = 0;
-
-  if (G_UNLIKELY(!q))
-    {
-      q = g_quark_from_static_string ("name-collision");
-    }
-
-  return q;
-}
-
-static gboolean
-user_has_name_collision (AccountsUser * u)
-{
-  return g_object_get_qdata (G_OBJECT(u), get_collision_quark()) != NULL;
-}
-
-static void
-user_set_name_collision (AccountsUser * u, gboolean b)
-{
-  g_object_set_qdata (G_OBJECT(u), get_collision_quark(), GINT_TO_POINTER(b));
-}
-
-/***
-****
-***/
-
-static void
-on_guest_logged_in_changed (UsersServiceDbus * usd,
-                            SessionMenuMgr   * mgr)
-{
-  if (mgr->guest_mi != NULL)
-    {
-      mi_set_logged_in (mgr->guest_mi,
-                        users_service_dbus_is_guest_logged_in (usd));
-    }
-}
-
-/* When a user's login state changes,
-   update the corresponding menuitem's LOGGED_IN property */
-static void
-on_user_logged_in_changed (UsersServiceDbus  * usd,
-                           AccountsUser      * user,
-                           SessionMenuMgr    * mgr)
-{
-  DbusmenuMenuitem * mi = user_get_menuitem (user);
-
-  if (mi != NULL)
-    {
-      mi_set_logged_in (mi, users_service_dbus_is_user_logged_in (usd, user));
-    }
-}
-
-static void
-update_screensaver_shortcut (SessionMenuMgr * mgr)
-{
-  gchar * s = g_settings_get_string (mgr->keybinding_settings, "screensaver");
-  g_debug ("%s Screensaver shortcut changed to: '%s'", G_STRLOC, s);
-
-  if (mgr->lock_mi != NULL)
-    {
-      dbusmenu_menuitem_property_set_shortcut_string (mgr->lock_mi, s);
-    }
-
-  if (mgr->lock_switch_mi != NULL)
-    {
-      dbusmenu_menuitem_property_set_shortcut_string (mgr->lock_switch_mi, s);
-    }
-
-  if (mgr->screensaver_mi != NULL)
-    {
-      dbusmenu_menuitem_property_set_shortcut_string (mgr->screensaver_mi, s);
-    }
-
-  g_free (s);
-}
-
-static void
-update_user_menuitem_icon (DbusmenuMenuitem * mi, AccountsUser * user)
-{
-  const gchar * str = accounts_user_get_icon_file (user);
-
-  if (!str || !*str)
-    {
-      str = USER_ITEM_ICON_DEFAULT;
-    }
-
-  dbusmenu_menuitem_property_set (mi, USER_ITEM_PROP_ICON, str);
-}
-
-static void
-update_user_menuitem_name (DbusmenuMenuitem * mi, AccountsUser * user)
-{
-  GString * gstr = g_string_new (accounts_user_get_real_name (user));
-
-  if (user_has_name_collision (user))
-    g_string_append_printf (gstr, " (%s)", accounts_user_get_user_name(user));
-
-  if (!gstr->len)
-    g_string_assign (gstr, accounts_user_get_user_name(user));
-
-  dbusmenu_menuitem_property_set (mi, USER_ITEM_PROP_NAME, gstr->str);
-  g_string_free (gstr, TRUE);
-}
-
-static void
-on_user_property_changed (AccountsUser      * user,
-                          GParamSpec        * pspec,
-                          DbusmenuMenuitem  * mi)
-{
-  static const char * interned_icon_file = NULL;
-  static const char * interned_real_name = NULL;
-  static const char * interned_user_name = NULL;
-
-  if (G_UNLIKELY (interned_icon_file == NULL))
-    {
-      interned_icon_file = g_intern_static_string ("icon-file");
-      interned_user_name = g_intern_static_string ("user-name");
-      interned_real_name = g_intern_static_string ("real-name");
-    }
-
-  if (pspec->name == interned_icon_file)
-    {
-      update_user_menuitem_icon (mi, user);
-    }
-  else if ((pspec->name == interned_real_name)
-        || (pspec->name == interned_user_name))
-    {
-      /* name changing can affect other menuitems too by invalidating
-         the sort order or name collision flags... so let's rebuild */
-      update_user_menuitems (user_get_mgr (user));
-    }
-}
-
-typedef struct
-{
-  gpointer instance;
-  gulong handler_id;
-}
-SignalHandlerData;
-
-/* when a user menuitem is destroyed,
-   it should stop listening for its UserAccount's property changes */
-static void
-on_user_menuitem_destroyed (SignalHandlerData * data)
-{
-  g_signal_handler_disconnect (data->instance, data->handler_id);
-  g_free (data);
-}
-
-static DbusmenuMenuitem*
-user_menuitem_new (AccountsUser * user, SessionMenuMgr * mgr)
-{
-  DbusmenuMenuitem * mi = dbusmenu_menuitem_new ();
-  mi_set_type (mi, USER_ITEM_TYPE);
-
-  /* set the name & icon and listen for property changes */
-  update_user_menuitem_name (mi, user);
-  update_user_menuitem_icon (mi, user);
-  SignalHandlerData * hd = g_new0 (SignalHandlerData, 1);
-  hd->instance = user;
-  hd->handler_id = g_signal_connect (user, "notify",
-                                     G_CALLBACK(on_user_property_changed), mi);
-  g_object_weak_ref (G_OBJECT(mi), (GWeakNotify)on_user_menuitem_destroyed, hd);
-
-  /* set the logged-in property */
-  mi_set_logged_in (mi,
-         users_service_dbus_is_user_logged_in (mgr->users_dbus_facade, user));
-
-  /* set the is-current-user property */
-  const gboolean is_current_user =
-              !g_strcmp0 (g_get_user_name(), accounts_user_get_user_name(user));
-
-  dbusmenu_menuitem_property_set_bool (mi,
-                                       USER_ITEM_PROP_IS_CURRENT_USER,
-                                       is_current_user);
-
-  /* set the switch-to-user action */
-  g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                            G_CALLBACK (action_func_switch_to_user), user);
-
-  /* give this AccountsUser a hook back to this menuitem */
-  user_set_menuitem (user, mi);
-  user_set_mgr (user, mgr);
-
-  return mi;
-}
-
-/* for sorting AccountsUsers from most to least frequently used */
-static gint
-compare_users_by_login_frequency (gconstpointer a, gconstpointer b)
-{
-  const guint64 a_freq = accounts_user_get_login_frequency (ACCOUNTS_USER(a));
-  const guint64 b_freq = accounts_user_get_login_frequency (ACCOUNTS_USER(b));
-  if (a_freq > b_freq) return -1;
-  if (a_freq < b_freq) return  1;
-  return 0;
-}
-
-/* for sorting AccountsUsers alphabetically */
-static gint
-compare_users_by_username (gconstpointer ga, gconstpointer gb)
-{
-  AccountsUser * a = ACCOUNTS_USER(ga);
-  AccountsUser * b = ACCOUNTS_USER(gb);
-
-  const int ret = g_strcmp0 (accounts_user_get_real_name (a),
-                             accounts_user_get_real_name (b));
-
-  if (!ret) /* names are the same, so both have a name collision */
-    {
-      user_set_name_collision (a, TRUE);
-      user_set_name_collision (b, TRUE);
-    }
-
-  return ret;
-}
-
-static gboolean
-is_user_switching_allowed (SessionMenuMgr * mgr)
-{
-  /* maybe it's locked down */
-  if (g_settings_get_boolean (mgr->lockdown_settings, "disable-user-switching"))
-    {
-      return FALSE;
-    }
-
-  /* maybe the seat doesn't support activation */
-
-  return TRUE;
-}
-
-static void
-build_user_menuitems (SessionMenuMgr * mgr)
-{
-  g_return_if_fail (!mgr->greeter_mode);
-
-  DbusmenuMenuitem * mi;
-  GSList * items = NULL;
-  gint pos = mgr->user_menuitem_index;
-  const char * current_real_name = NULL;
-
-  /**
-  ***  Start Screen Saver
-  ***  Switch Account...
-  ***  Lock
-  ***  Lock / Switch Account...
-  **/
-
-  const SwitcherMode mode = get_switcher_mode (mgr);
-
-  mi = mgr->screensaver_mi = mi_new (_("Start Screen Saver"));
-  mi_set_visible (mi, mode == SWITCHER_MODE_SCREENSAVER);
-  dbusmenu_menuitem_child_add_position (mgr->top_mi, mi, pos++);
-  items = g_slist_prepend (items, mi);
-  g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                            G_CALLBACK (action_func_lock), mgr);
-
-  mi = mi_new (_("Switch User Account\342\200\246"));
-  mi_set_visible (mi, mode == SWITCHER_MODE_SWITCH);
-  dbusmenu_menuitem_child_add_position (mgr->top_mi, mi, pos++);
-  items = g_slist_prepend (items, mi);
-  g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                            G_CALLBACK (action_func_switch_to_greeter), mgr);
-
-  mi = mgr->lock_mi = mi_new (_("Lock"));
-  mi_set_visible (mi, mode == SWITCHER_MODE_LOCK);
-  dbusmenu_menuitem_child_add_position (mgr->top_mi, mi, pos++);
-  items = g_slist_prepend (items, mi);
-  g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                            G_CALLBACK (action_func_switch_to_lockscreen), mgr);
-
-  mi = mgr->lock_switch_mi = mi_new (_("Lock/Switch Account\342\200\246"));
-  mi_set_visible (mi, mode == SWITCHER_MODE_SWITCH_OR_LOCK);
-  dbusmenu_menuitem_child_add_position (mgr->top_mi, mi, pos++);
-  items = g_slist_prepend (items, mi);
-  g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                            G_CALLBACK (action_func_switch_to_lockscreen), mgr);
-
-  const gboolean is_guest = is_this_guest_session ();
-  const gboolean guest_allowed =
-              users_service_dbus_guest_session_enabled (mgr->users_dbus_facade);
-  mi = mgr->guest_mi = dbusmenu_menuitem_new ();
-  mi_set_type (mi, USER_ITEM_TYPE);
-  mi_set_visible (mi, !is_guest && guest_allowed);
-  dbusmenu_menuitem_property_set (mi, USER_ITEM_PROP_NAME, _("Guest Session"));
-  dbusmenu_menuitem_child_add_position (mgr->top_mi, mi, pos++);
-  on_guest_logged_in_changed (mgr->users_dbus_facade, mgr);
-  items = g_slist_prepend (items, mi);
-  g_signal_connect_swapped (mi, DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
-                            G_CALLBACK (action_func_switch_to_guest), mgr);
-
-  if (guest_allowed && is_guest)
-    {
-      current_real_name = _("Guest");
-    }
-
-  /***
-  ****  Users
-  ***/
-
-  /* if we can switch to another user account, show them here */
-  const char * const username = g_get_user_name();
-  GList * users = users_service_dbus_get_user_list (mgr->users_dbus_facade);
-
-  /* since we're building (or rebuilding) from scratch,
-     clear the name collision flags */
-  GList * u;
-  for (u=users; u!=NULL; u=u->next)
-    {
-      AccountsUser * user = ACCOUNTS_USER(u->data);
-
-      user_set_name_collision (user, FALSE);
-
-      if (!g_strcmp0 (username, accounts_user_get_user_name(user)))
-        {
-          current_real_name = accounts_user_get_real_name (user);
-        }
-    }
-
-  if (is_user_switching_allowed (mgr))
-    {
-      /* pick the most frequently used accounts */
-      const int MAX_USERS = 12; /* this limit comes from the spec */
-      if (g_list_length(users) > MAX_USERS)
-        {
-          users = g_list_sort (users, compare_users_by_login_frequency);
-          GList * last = g_list_nth (users, MAX_USERS-1);
-          GList * remainder = last->next;
-          last->next = NULL;
-          remainder->prev = NULL;
-          g_list_free (remainder);
-        }
-
-      /* Sort the users by name for display */
-      users = g_list_sort (users, compare_users_by_username);
-
-      /* Create menuitems for them */
-      int i;
-      for (i=0, u=users; i<MAX_USERS && u!=NULL; u=u->next, i++)
-        {
-          AccountsUser * user = u->data;
-          DbusmenuMenuitem * mi = user_menuitem_new (user, mgr);
-          dbusmenu_menuitem_child_add_position (mgr->top_mi, mi, pos++);
-          items = g_slist_prepend (items, mi);
-        }
-    }
-
-  g_list_free (users);
-
-  /* separator */
-  if (mode != SWITCHER_MODE_SCREENSAVER && !is_guest && guest_allowed)
-    {
-      mi = mi_new_separator ();
-      dbusmenu_menuitem_child_add_position (mgr->top_mi, mi, pos++);
-      items = g_slist_prepend (items, mi);
-    }
-
-  if (current_real_name != NULL)
-    {
-      session_dbus_set_users_real_name (mgr->session_dbus,
-                                        current_real_name);
-    }
-
-  update_screensaver_shortcut (mgr);
-  mgr->user_menuitems = items;
-}
-
-static void
-update_user_menuitems (SessionMenuMgr * mgr)
-{
-  /* remove any previous user menuitems */
-  GSList * l;
-  for (l=mgr->user_menuitems; l!=NULL; l=l->next)
-    {
-      dbusmenu_menuitem_child_delete (mgr->top_mi, l->data);
-      g_object_unref (l->data);
-    }
-  g_slist_free (mgr->user_menuitems);
-  mgr->user_menuitems = NULL;
-
-  /* add fresh user menuitems */
-  if (!mgr->greeter_mode)
-    {
-      build_user_menuitems (mgr);
-    }
-}
-
-/***
-****  Actions!
-***/
-
-static void
-action_func_spawn_async (const char * cmd)
-{
-  GError * error = NULL;
-
-  g_debug ("%s calling \"%s\"", G_STRFUNC, cmd);
-  g_spawn_command_line_async (cmd, &error);
-
-  if (error != NULL)
-    {
-      g_warning ("Unable to execute \"%s\": %s", cmd, error->message);
-      g_clear_error (&error);
-    }
-}
-
-/* Calling "Lock" locks the screen & goes to black.
-   Calling "SimulateUserActivity" afterwards shows the Lock Screen. */
-static void
-lock_helper (SessionMenuMgr * mgr, gboolean show_lock_screen)
-{
-  if (!g_settings_get_boolean (mgr->lockdown_settings, "disable-lock-screen"))
-    {
-      GError * error = NULL;
-      GDBusProxy * proxy = g_dbus_proxy_new_for_bus_sync (
-                             G_BUS_TYPE_SESSION,
-                             G_DBUS_PROXY_FLAGS_NONE,
-                             NULL,
-                             "org.gnome.ScreenSaver",
-                             "/org/gnome/ScreenSaver",
-                             "org.gnome.ScreenSaver",
-                             NULL,
-                             &error);
-
-      if (error == NULL)
-        {
-          g_dbus_proxy_call_sync (proxy, "Lock",
-                                  NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL,
-                                  &error);
-        }
-
-      if ((error == NULL) && show_lock_screen)
-        {
-          g_dbus_proxy_call_sync (proxy, "SimulateUserActivity",
-                                  NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL,
-                                  &error);
-        }
-
-      if (error != NULL)
-        {
-          g_warning ("Error locking screen: %s", error->message);
-        }
-
-      g_clear_object (&proxy);
-      g_clear_error (&error);
-    }
-}
-
-static void
-action_func_lock (SessionMenuMgr * mgr)
-{
-  lock_helper (mgr, FALSE);
-}
-
-static void
-action_func_switch_to_lockscreen (SessionMenuMgr * mgr)
-{
-  lock_helper (mgr, TRUE);
-}
-
-static void
-action_func_switch_to_greeter (SessionMenuMgr * mgr)
-{
-  action_func_lock (mgr);
-  users_service_dbus_show_greeter (mgr->users_dbus_facade);
-}
-
-static void
-action_func_switch_to_user (AccountsUser * user)
-{
-  SessionMenuMgr * mgr = user_get_mgr (user);
-
-  g_return_if_fail (mgr != NULL);
-
-  if (g_strcmp0 (g_get_user_name(), accounts_user_get_user_name(user)) != 0)
-    {
-      action_func_lock (mgr);
-      users_service_dbus_activate_user_session (mgr->users_dbus_facade, user);
-    }
-}
-
-static void
-action_func_switch_to_guest (SessionMenuMgr * mgr)
-{
-  action_func_lock (mgr);
-  users_service_dbus_activate_guest_session (mgr->users_dbus_facade);
-}
-
-static void
-action_func_suspend (SessionMenuMgr * mgr)
-{
-  GError * error = NULL;
-
-  login1_manager_call_suspend_sync (mgr->login1_manager_proxy,
-				    TRUE,
-				    mgr->cancellable,
-				    &error);
-
-  if (error != NULL)
-    {
-      g_warning ("%s: %s", G_STRFUNC, error->message);
-      g_clear_error (&error);
-    }
-}
-
-static void
-action_func_hibernate (SessionMenuMgr * mgr)
-{
-  GError * error = NULL;
-
-  login1_manager_call_hibernate_sync (mgr->login1_manager_proxy,
-				      TRUE,
-				      mgr->cancellable,
-				      &error);
-
-  if (error != NULL)
-    {
-      g_warning ("%s: %s", G_STRFUNC, error->message);
-      g_clear_error (&error);
-    }
-}
-
-static gboolean
-call_session_manager_method (const gchar * method_name, GVariant * parameters)
-{
-  gboolean result = TRUE;
-  GError * error = NULL;
-  GDBusProxy * proxy = g_dbus_proxy_new_for_bus_sync (
-                         G_BUS_TYPE_SESSION,
-                         G_DBUS_PROXY_FLAGS_NONE,
-                         NULL,
-                         "org.gnome.SessionManager",
-                         "/org/gnome/SessionManager",
-                         "org.gnome.SessionManager",
-                         NULL,
-                         &error);
-
-  if (error == NULL)
-    {
-      g_dbus_proxy_call_sync (proxy, method_name, parameters,
-                              G_DBUS_CALL_FLAGS_NONE, -1, NULL,
-                              &error);
-    }
-  else if (parameters != NULL)
-    {
-      g_variant_unref (parameters);
-    }
-
-  if (error != NULL)
-    {
-      result = FALSE;
-      g_warning ("Error shutting down: %s", error->message);
-      g_clear_error (&error);
-    }
-
-  g_clear_object (&proxy);
-
-  return result;
-}
-
-static void
-action_func_shutdown (SessionMenuMgr * mgr)
-{
-  gboolean result = FALSE;
-
-  if (mgr->shell_mode)
-    {
-      if (g_settings_get_boolean (mgr->indicator_settings,
-                                  "suppress-logout-restart-shutdown"))
-        {
-          result = call_session_manager_method ("Shutdown", NULL);
-        }
-      else
-        {
-          /* We call 'Reboot' method instead of 'Shutdown' because
-           * Unity SessionManager handles the Shutdown request as a more
-           * general request as the default SessionManager dialog would do */
-          result = call_session_manager_method ("Reboot", NULL);
-        }
-    }
-
-  if (!result)
-    {
-      action_func_spawn_async (CMD_SHUTDOWN);
-    }
-}
-
-static void
-action_func_logout (SessionMenuMgr * mgr)
-{
-  gboolean result = FALSE;
-
-  if (mgr->shell_mode)
-    {
-      guint interactive_mode = 0;
-      result = call_session_manager_method ("Logout",
-                                            g_variant_new ("(u)", interactive_mode));
-    }
-
-  if (!result)
-    {
-      action_func_spawn_async (CMD_LOGOUT);
-    }
-}
-
-static void
-action_func_reboot (SessionMenuMgr * mgr)
-{
-  gboolean result = FALSE;
-
-  if (mgr->shell_mode)
-    {
-      result = call_session_manager_method ("Reboot", NULL);
-    }
-
-  if (!result)
-    {
-      action_func_spawn_async (CMD_RESTART);
-    }
-}
-
-/***
-****
-***/
-
-static gboolean
-is_this_guest_session (void)
-{
-  /* FIXME: this test has been here awhile and seems to work,
-     but seems brittle to me */
-  return geteuid() < 500;
-}
-
-static gboolean
-is_this_live_session (void)
-{
-  const struct passwd * const pw = getpwuid (geteuid());
-  return (pw->pw_uid==999) && !g_strcmp0("ubuntu",pw->pw_name);
-}
-
-static SwitcherMode
-get_switcher_mode (SessionMenuMgr * mgr)
-{
-  SwitcherMode mode;
-
-  const gboolean can_lock = !g_settings_get_boolean (mgr->lockdown_settings,
-                                                     "disable-lock-screen");
-  const gboolean can_switch = is_user_switching_allowed (mgr);
-
-  if (!can_lock && !can_switch) /* hmm, quite an extreme lockdown */
-    {
-      mode = SWITCHER_MODE_NONE;
-    }
-  else if (is_this_live_session()) /* live sessions can't lock or switch */
-    {
-      mode = SWITCHER_MODE_SCREENSAVER;
-    }
-  else if (!can_switch) /* switching's locked down */
-    {
-      mode = SWITCHER_MODE_LOCK;
-    }
-  else if (is_this_guest_session ()) /* guest sessions can't lock */
-    {
-      mode = SWITCHER_MODE_SWITCH;
-    }
-  else /* both locking & switching are allowed */
-    {
-      GList * l = users_service_dbus_get_user_list (mgr->users_dbus_facade);
-      const size_t user_count = g_list_length (l);
-      g_list_free (l);
-
-      /* only show switch mode if we have users to switch to */
-      mode = user_count > (is_this_guest_session() ? 0 : 1)
-           ? SWITCHER_MODE_SWITCH_OR_LOCK
-           : SWITCHER_MODE_LOCK;
-    }
-
-  return mode;
-}
-
-
-/***
-****
-***/
-
-SessionMenuMgr*
-session_menu_mgr_new (SessionDbus  * session_dbus,
-                      gboolean       greeter_mode)
-{
-  SessionMenuMgr* mgr = g_object_new (SESSION_TYPE_MENU_MGR, NULL);
-  mgr->greeter_mode = greeter_mode;
-  mgr->session_dbus = g_object_ref (session_dbus);
-  build_admin_menuitems (mgr);
-  const guint n = g_list_length (dbusmenu_menuitem_get_children (mgr->top_mi));
-  mgr->user_menuitem_index = n;
-  update_user_menuitems (mgr);
-  build_session_menuitems (mgr);
-
-  return mgr;
-}
-
-/**
- * session_menu_mgr_get_menu:
- *
- * Returns: (transfer none): the manager's menu.
- */
-DbusmenuMenuitem *
-session_menu_mgr_get_menu (SessionMenuMgr * mgr)
-{
-  g_return_val_if_fail (IS_SESSION_MENU_MGR(mgr), NULL);
-
-  return mgr->top_mi;
-}
diff --git a/src/session-menu-mgr.h b/src/session-menu-mgr.h
deleted file mode 100644
index 5a173e1..0000000
--- a/src/session-menu-mgr.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
-Copyright 2011 Canonical Ltd.
-
-Authors:
-    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/>.
-*/
-
-
-#ifndef _SESSION_MENU_MGR_H_
-#define _SESSION_MENU_MGR_H_
-
-#include <glib-object.h>
-
-#include "session-dbus.h"
-
-G_BEGIN_DECLS
-
-#define SESSION_TYPE_MENU_MGR             (session_menu_mgr_get_type ())
-#define SESSION_MENU_MGR(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), SESSION_TYPE_MENU_MGR, SessionMenuMgr))
-#define SESSION_MENU_MGR_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), SESSION_TYPE_MENU_MGR, SessionMenuMgrClass))
-#define IS_SESSION_MENU_MGR(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SESSION_TYPE_MENU_MGR))
-#define IS_SESSION_MENU_MGR_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), SESSION_TYPE_MENU_MGR))
-#define SESSION_MENU_MGR_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), SESSION_TYPE_MENU_MGR, SessionMenuMgrClass))
-
-typedef struct _SessionMenuMgrClass SessionMenuMgrClass;
-typedef struct _SessionMenuMgr SessionMenuMgr;
-
-struct _SessionMenuMgrClass
-{
-  GObjectClass parent_class;
-};
-
-GType session_menu_mgr_get_type (void) G_GNUC_CONST;
-
-SessionMenuMgr* session_menu_mgr_new (SessionDbus       * session_dbus,
-                                      gboolean            greeter_mode);
-
-DbusmenuMenuitem* session_menu_mgr_get_menu (SessionMenuMgr * mgr);
-
-
-G_END_DECLS
-
-#endif /* _SESSION_MENU_MGR_H_ */
diff --git a/src/session-service.c b/src/session-service.c
deleted file mode 100644
index 13438d3..0000000
--- a/src/session-service.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
-A small wrapper utility to load indicators and put them as menu items
-into the gnome-panel using it's applet interface.
-
-Copyright 2009 Canonical Ltd.
-
-Authors:
-    Ted Gould <ted@canonical.com>
-    Christoph Korn <c_korn@gmx.de>
-    Cody Russell <crussell@canonical.com>
-    Conor Curran <conor.curran@canonical.com>
-    Charles Kerr <charles.kerr@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/>.
-*/
-
-#include "config.h"
-
-#include <unistd.h>
-#include <locale.h>
-
-#include <glib/gi18n.h>
-#include <gio/gio.h>
-#include <gio/gdesktopappinfo.h>
-
-#include <libdbusmenu-glib/server.h>
-
-#include <gtk/gtk.h>
-
-#include <libindicator/indicator-service.h>
-
-#include "session-dbus.h"
-#include "session-menu-mgr.h"
-#include "shared-names.h"
-#include "users-service-dbus.h"
-
-static SessionDbus * session_dbus = NULL;
-static GMainLoop * mainloop = NULL;
-
-
-/* When the service interface starts to shutdown,
-   we should follow it. */
-void
-service_shutdown (IndicatorService * service, gpointer user_data)
-{
-  if (mainloop != NULL)
-    {
-      g_debug ("Service shutdown");
-      g_main_loop_quit (mainloop);
-    }
-}
-
-static inline gboolean
-is_greeter_mode (void)
-{
-  return !g_strcmp0 (g_getenv ("INDICATOR_GREETER_MODE"), "1");
-}
-
-/* Main, is well, main.  It brings everything up and throws
-   us into the mainloop of no return. */
-int
-main (int argc, char ** argv)
-{
-  /* Setting up i18n and gettext.
-     Apparently we need all of these. */
-  setlocale (LC_ALL, "");
-  bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
-  textdomain (GETTEXT_PACKAGE);
-
-  IndicatorService * service = indicator_service_new_version (INDICATOR_SESSION_DBUS_NAME,
-      		                                              INDICATOR_SESSION_DBUS_VERSION);
-  g_signal_connect (G_OBJECT(service), INDICATOR_SERVICE_SIGNAL_SHUTDOWN,
-                    G_CALLBACK(service_shutdown), NULL);
-
-  session_dbus = session_dbus_new();
-
-  SessionMenuMgr * menu_mgr = session_menu_mgr_new (session_dbus, is_greeter_mode());
-  DbusmenuServer* server = dbusmenu_server_new (INDICATOR_SESSION_DBUS_OBJECT);
-  dbusmenu_server_set_root (server, session_menu_mgr_get_menu (menu_mgr));
-
-  mainloop = g_main_loop_new(NULL, FALSE);
-  g_main_loop_run(mainloop);
-
-  return 0;
-}
-
diff --git a/src/shared-names.h b/src/shared-names.h
deleted file mode 100644
index c08f98a..0000000
--- a/src/shared-names.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
-A small wrapper utility to load indicators and put them as menu items
-into the gnome-panel using it's applet interface.
-
-Copyright 2009 Canonical Ltd.
-
-Authors:
-    Ted Gould <ted@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/>.
-*/
-
-#ifndef __DBUS_SHARED_NAMES_H__
-#define __DBUS_SHARED_NAMES_H__ 
-
-#define INDICATOR_SESSION_DBUS_NAME  "com.canonical.indicator.session"
-#define INDICATOR_SESSION_DBUS_OBJECT "/com/canonical/indicator/session/menu"
-#define INDICATOR_SESSION_DBUS_VERSION  0
-
-#define INDICATOR_SESSION_SERVICE_DBUS_OBJECT "/com/canonical/indicator/session/service"
-#define INDICATOR_SESSION_SERVICE_DBUS_IFACE  "com.canonical.indicator.session.service"
-#define USER_ITEM_TYPE            "x-canonical-user-item"
-#define USER_ITEM_PROP_NAME       "user-item-name"
-#define USER_ITEM_PROP_LOGGED_IN  "user-item-logged-in"
-#define USER_ITEM_PROP_IS_CURRENT_USER "user-item-is-current-user"
-#define USER_ITEM_PROP_ICON       "user-item-icon-path"
-#define USER_ITEM_ICON_DEFAULT    "avatar-default"
-
-#define ICON_DEFAULT              "system-devices-panel"
-#define ICON_INFO                 "system-devices-panel-information"
-#define ICON_ALERT                "system-devices-panel-alert"
-
-/* the session indicator's settings */
-#define SESSION_SCHEMA                "com.canonical.indicator.session"
-#define SUPPRESS_KEY                  "suppress-logout-restart-shutdown"
-#define LOGOUT_KEY                    "suppress-logout-menuitem"
-#define RESTART_KEY                   "suppress-restart-menuitem"
-#define SHUTDOWN_KEY                  "suppress-shutdown-menuitem"
-#define SHOW_USER_MENU                "user-show-menu"
-
-
-#endif /* __DBUS_SHARED_NAMES_H__ */
diff --git a/src/user-widget.c b/src/user-widget.c
deleted file mode 100644
index 79b87b0..0000000
--- a/src/user-widget.c
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
-Copyright 2011 Canonical Ltd.
-
-Authors:
-    Conor Curran <conor.curran@canonical.com>
-    Mirco Müller <mirco.mueller@canonical.com>
-    Charles Kerr <charles.kerr@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 <gtk/gtk.h>
-
-#include <libindicator/indicator-image-helper.h>
-
-#include "shared-names.h"
-#include "user-widget.h"
-
-
-typedef struct _UserWidgetPrivate UserWidgetPrivate;
-
-struct _UserWidgetPrivate
-{
-  DbusmenuMenuitem* twin_item;
-  GtkWidget* user_image;
-  GtkWidget* user_name;
-  GtkWidget* container;
-  GtkWidget* tick_icon;
-  gboolean logged_in;
-  gboolean sessions_active;
-};
-
-#define USER_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), USER_WIDGET_TYPE, UserWidgetPrivate))
-
-/* Prototypes */
-static void user_widget_class_init    (UserWidgetClass *klass);
-static void user_widget_init          (UserWidget *self);
-static void user_widget_dispose       (GObject *object);
-static void user_widget_finalize      (GObject *object);
-
-static void user_widget_set_twin_item (UserWidget* self,
-                                       DbusmenuMenuitem* twin_item);
-
-static gboolean user_widget_primitive_draw_cb_gtk_3 (GtkWidget *image,
-                                                         cairo_t* cr,
-                                                         gpointer user_data);
-
-G_DEFINE_TYPE (UserWidget, user_widget, GTK_TYPE_MENU_ITEM);
-
-static void
-user_widget_class_init (UserWidgetClass *klass)
-{
-  GObjectClass * gobject_class = G_OBJECT_CLASS (klass);
-
-  g_type_class_add_private (klass, sizeof (UserWidgetPrivate));
-
-  gobject_class->dispose = user_widget_dispose;
-  gobject_class->finalize = user_widget_finalize;
-}
-
-static void
-user_widget_init (UserWidget *self)
-{
-  self->priv = USER_WIDGET_GET_PRIVATE(self);
-
-  UserWidgetPrivate * priv = self->priv;
-
-  priv->user_image = NULL;
-  priv->user_name  = NULL;
-  priv->logged_in = FALSE;
-  priv->sessions_active = FALSE;
-  priv->container = NULL;
-  priv->tick_icon = NULL;
-
-  // Create the UI elements.
-  priv->user_image = gtk_image_new ();
-  gtk_misc_set_alignment(GTK_MISC(priv->user_image), 0.0, 0.0);
-
-  priv->user_name = gtk_label_new (NULL);
-
-  priv->container = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
-
-  priv->tick_icon = gtk_image_new_from_icon_name ("account-logged-in",
-                                                   GTK_ICON_SIZE_MENU);
-  gtk_misc_set_alignment(GTK_MISC(priv->tick_icon), 1.0, 0.5);
-
-  // Pack it together
-  gtk_box_pack_start (GTK_BOX (priv->container),
-                      priv->user_image,
-                      FALSE,
-                      FALSE,
-                      0);
-  gtk_box_pack_start (GTK_BOX (priv->container),
-                      priv->user_name,
-                      FALSE,
-                      FALSE,
-                      3);
-  gtk_box_pack_end (GTK_BOX(priv->container),
-                    priv->tick_icon,
-                    FALSE,
-                    FALSE, 5);
-
-  gtk_widget_show_all (priv->container);
-  gtk_container_add (GTK_CONTAINER (self), priv->container);
-  gtk_widget_show_all (priv->tick_icon);
-  gtk_widget_set_no_show_all (priv->tick_icon, TRUE);
-  gtk_widget_hide (priv->tick_icon);
-
-
-  // Fetch the drawing context.
-  g_signal_connect_after (GTK_WIDGET(self), "draw",
-                          G_CALLBACK(user_widget_primitive_draw_cb_gtk_3),
-                          GTK_WIDGET(self));
-}
-
-static void
-user_widget_dispose (GObject *object)
-{
-  G_OBJECT_CLASS (user_widget_parent_class)->dispose (object);
-}
-
-// TODO tidy up image and name
-static void
-user_widget_finalize (GObject *object)
-{
-  G_OBJECT_CLASS (user_widget_parent_class)->finalize (object);
-}
-
-
-/*****************************************************************/
-
-// TODO handle drawing of green check mark
-static gboolean
-user_widget_primitive_draw_cb_gtk_3 (GtkWidget *widget,
-                                     cairo_t* cr,
-                                     gpointer user_data)
-{
-  g_return_val_if_fail(IS_USER_WIDGET(user_data), FALSE);
-  UserWidget* meta = USER_WIDGET(user_data);
-  UserWidgetPrivate * priv = USER_WIDGET_GET_PRIVATE(meta);
-
-  // Draw dot only when user is the current user.
-  if (dbusmenu_menuitem_property_get_bool (priv->twin_item, USER_ITEM_PROP_IS_CURRENT_USER))
-    {
-      gdouble x, y;
-      GtkStyle * style = gtk_widget_get_style (widget);
-
-      GtkAllocation allocation;
-      gtk_widget_get_allocation (widget, &allocation);
-      x = allocation.x + 13;
-      y = allocation.height / 2;
-
-      cairo_arc (cr, x, y, 3.0, 0.0, 2 * G_PI);
-
-      cairo_set_source_rgb (cr, style->fg[gtk_widget_get_state(widget)].red/65535.0,
-                                style->fg[gtk_widget_get_state(widget)].green/65535.0,
-                                style->fg[gtk_widget_get_state(widget)].blue/65535.0);
-      cairo_fill (cr);
-    }
-
-  return FALSE;
-}
-
-/***
-****
-***/
-
-static void
-update_icon (UserWidget * self, DbusmenuMenuitem * mi)
-{
-  gboolean updated = FALSE;
-  GtkImage * image = GTK_IMAGE(self->priv->user_image);
-
-  /* first try the menuitem's icon property */
-  const gchar * icon_name = dbusmenu_menuitem_property_get (mi, USER_ITEM_PROP_ICON);
-  if (icon_name != NULL)
-    {
-      int width = 18; /* arbitrary default values */
-      int height = 18;
-      GError * err = NULL;
-      GdkPixbuf * pixbuf = NULL;
-
-      /* load the image */
-      gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &width, &height);
-      pixbuf = gdk_pixbuf_new_from_file_at_size (icon_name, width, height, &err);
-      if (err == NULL)
-        {
-          gtk_image_set_from_pixbuf (image, pixbuf);
-          g_object_unref (pixbuf);
-          updated = TRUE;
-        }
-      else
-        {
-          g_warning ("Couldn't load the image \"%s\": %s", icon_name, err->message);
-          g_clear_error (&err);
-        }
-    }
-
-  /* as a fallback, use the default user icon */
-  if (!updated)
-    {
-      gtk_image_set_from_icon_name (image,
-                                    USER_ITEM_ICON_DEFAULT,
-                                    GTK_ICON_SIZE_MENU);
-    }
-}
-
-static void
-update_logged_in (UserWidget * self, DbusmenuMenuitem * mi)
-{
-  const gboolean b = dbusmenu_menuitem_property_get_bool (mi, USER_ITEM_PROP_LOGGED_IN);
-
-  g_debug ("User \"%s\" %s active sessions",
-           dbusmenu_menuitem_property_get (mi, USER_ITEM_PROP_NAME),
-           b ? "has" : "doesn't have");
-
-  gtk_widget_set_visible (self->priv->tick_icon, b);
-}
-
-static void
-update_name (UserWidget * self, DbusmenuMenuitem * mi)
-{
-  gtk_label_set_label (GTK_LABEL(self->priv->user_name),
-                       dbusmenu_menuitem_property_get (mi, USER_ITEM_PROP_NAME));
-}
-
-static void
-user_widget_property_update (DbusmenuMenuitem  * mi,
-                             const gchar       * property,
-                             GVariant          * value,
-                             UserWidget        * self)
-{
-  g_return_if_fail (IS_USER_WIDGET (self));
-
-  if (!g_strcmp0 (property, USER_ITEM_PROP_LOGGED_IN))
-    {
-      update_logged_in (self, mi);
-    }
-  else if (!g_strcmp0 (property, USER_ITEM_PROP_ICON))
-    {
-      update_icon (self, mi);
-    }
-  else if (!g_strcmp0 (property, USER_ITEM_PROP_NAME))
-    {
-      update_name (self, mi);
-    }
-  else
-    {
-      g_debug ("%s FIXME: unhandled property change %s", G_STRFUNC, property);
-    }
-}
-
-static void
-user_widget_set_twin_item (UserWidget * self, DbusmenuMenuitem * mi)
-{
-  self->priv->twin_item = mi;
-
-  update_icon      (self, mi);
-  update_name      (self, mi);
-  update_logged_in (self, mi);
-
-  g_signal_connect (G_OBJECT(mi), "property-changed",
-                    G_CALLBACK(user_widget_property_update), self);
-}
-
- /**
-  * user_widget_new:
-  * @item: the #DbusmenuMenuitem this widget will render.
-  *
-  * Returns: (transfer full): a new #UserWidget.
-  **/
-GtkWidget*
-user_widget_new (DbusmenuMenuitem *item)
-{
-  GtkWidget* widget =  g_object_new(USER_WIDGET_TYPE, NULL);
-  user_widget_set_twin_item ( USER_WIDGET(widget), item );
-  return widget;
-}
diff --git a/src/user-widget.h b/src/user-widget.h
deleted file mode 100644
index 0953e6c..0000000
--- a/src/user-widget.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
-Copyright 2011 Canonical Ltd.
-
-Authors:
-    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/>.
-*/
-#ifndef __USER_WIDGET_H__
-#define __USER_WIDGET_H__
-
-#include <gtk/gtk.h>
-#include <libdbusmenu-gtk/menuitem.h>
-
-G_BEGIN_DECLS
-
-#define USER_WIDGET_TYPE            (user_widget_get_type ())
-#define USER_WIDGET(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), USER_WIDGET_TYPE, UserWidget))
-#define USER_WIDGET_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), USER_WIDGET_TYPE, UserWidgetClass))
-#define IS_USER_WIDGET(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), USER_WIDGET_TYPE))
-#define IS_USER_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), USER_WIDGET_TYPE))
-#define USER_WIDGET_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), USER_WIDGET_TYPE, UserWidgetClass))
-
-typedef struct _UserWidget        UserWidget;
-typedef struct _UserWidgetClass   UserWidgetClass;
-typedef struct _UserWidgetPrivate UserWidgetPrivate;
-
-struct _UserWidgetClass
-{
-  GtkMenuItemClass parent_class;
-};
-
-struct _UserWidget
-{
-  /*< private >*/
-  GtkMenuItem parent;
-  UserWidgetPrivate * priv;
-};
-
-GType user_widget_get_type (void) G_GNUC_CONST;
-GtkWidget* user_widget_new(DbusmenuMenuitem *twin_item);
-
-G_END_DECLS
-
-#endif
diff --git a/src/users-service-dbus.c b/src/users-service-dbus.c
deleted file mode 100644
index 00836de..0000000
--- a/src/users-service-dbus.c
+++ /dev/null
@@ -1,1046 +0,0 @@
-/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 2; tab-width: 2 -*- */
-/*
- * Copyright 2009 Canonical Ltd.
- *
- * Authors:
- *     Cody Russell <crussell@canonical.com>
- *     Charles Kerr <charles.kerr@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 <glib.h>
-
-#include <errno.h>
-
-#include <pwd.h> /* getpwuid() */
-
-#include "dbus-accounts.h"
-#include "dbus-login1-manager.h"
-#include "dbus-login1-session.h"
-#include "dbus-login1-user.h"
-#include "dbus-display-manager.h"
-#include "dbus-user.h"
-#include "shared-names.h"
-#include "users-service-dbus.h"
-
-#define LOGIND_ADDR             "org.freedesktop.login1"
-
-/**
-***
-**/
-
-static void     update_user_list     (UsersServiceDbus  * self);
-
-static gchar*   get_seat             (UsersServiceDbus  * service);
-
-static void     on_user_added        (Accounts          * o,
-                                      const gchar       * user_object_path,
-                                      UsersServiceDbus  * service);
-
-static void     on_user_deleted      (Accounts          * o,
-                                      const gchar       * user_object_path,
-                                      UsersServiceDbus  * service);
-
-static void     on_session_added     (Login1Manager      * proxy,
-                                      const gchar        * ssid,
-                                      const gchar        * path,
-                                      UsersServiceDbus   * service);
-
-static void     on_session_removed   (Login1Manager      * proxy,
-                                      const gchar        * ssid,
-                                      const gchar        * path,
-                                      UsersServiceDbus   * service);
-
-static void     on_session_list      (Login1Manager      * proxy,
-                                      GAsyncResult       * result,
-                                      UsersServiceDbus   * service);
-
-/***
-****  Priv Struct
-***/
-
-struct _UsersServiceDbusPrivate
-{
-  gchar * seat;
-  gchar * guest_ssid;
-
-  /* ssid -> AccountsUser lookup */
-  GHashTable * sessions;
-
-  /* user object path -> AccountsUser lookup */
-  GHashTable * users;
-
-  GCancellable * cancellable;
-  Login1Manager * manager_proxy;
-  Accounts * accounts_proxy;
-};
-
-/***
-****  GObject
-***/
-
-enum
-{
-  USER_LIST_CHANGED,
-  USER_LOGGED_IN_CHANGED,
-  GUEST_LOGGED_IN_CHANGED,
-  N_SIGNALS
-};
-
-static guint signals[N_SIGNALS] = { 0 };
-
-G_DEFINE_TYPE (UsersServiceDbus, users_service_dbus, G_TYPE_OBJECT);
-
-static void
-users_service_dbus_dispose (GObject *object)
-{
-  UsersServiceDbusPrivate * priv = USERS_SERVICE_DBUS(object)->priv;
-
-  g_clear_object (&priv->accounts_proxy);
-  g_clear_object (&priv->manager_proxy);
-
-  if (priv->cancellable != NULL)
-    {
-      g_cancellable_cancel (priv->cancellable);
-      g_clear_object (&priv->cancellable);
-    }
-
-  if (priv->users != NULL)
-    {
-      g_hash_table_destroy (priv->users);
-      priv->users = NULL;
-    }
-
-  if (priv->sessions != NULL)
-    {
-      g_hash_table_destroy (priv->sessions);
-      priv->sessions = NULL;
-    }
-
-  G_OBJECT_CLASS (users_service_dbus_parent_class)->dispose (object);
-}
-
-static void
-users_service_dbus_finalize (GObject *object)
-{
-  UsersServiceDbusPrivate * priv = USERS_SERVICE_DBUS(object)->priv;
-
-  g_free (priv->guest_ssid);
-  g_free (priv->seat);
-
-  G_OBJECT_CLASS (users_service_dbus_parent_class)->finalize (object);
-}
-
-static void
-users_service_dbus_class_init (UsersServiceDbusClass *klass)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-  g_type_class_add_private (object_class, sizeof (UsersServiceDbusPrivate));
-
-  object_class->dispose = users_service_dbus_dispose;
-  object_class->finalize = users_service_dbus_finalize;
-
-  signals[USER_LIST_CHANGED] = g_signal_new (
-              "user-list-changed",
-              G_TYPE_FROM_CLASS (klass),
-              G_SIGNAL_RUN_LAST,
-              G_STRUCT_OFFSET (UsersServiceDbusClass, user_list_changed),
-              NULL, NULL,
-              g_cclosure_marshal_VOID__VOID,
-              G_TYPE_NONE, 0);
-
-  signals[USER_LOGGED_IN_CHANGED] = g_signal_new (
-              "user-logged-in-changed",
-              G_TYPE_FROM_CLASS (klass),
-              G_SIGNAL_RUN_LAST,
-              G_STRUCT_OFFSET (UsersServiceDbusClass, user_logged_in_changed),
-              NULL, NULL,
-              g_cclosure_marshal_VOID__OBJECT,
-              G_TYPE_NONE, 1, G_TYPE_OBJECT);
-
-  signals[GUEST_LOGGED_IN_CHANGED] = g_signal_new (
-              "guest-logged-in-changed",
-              G_TYPE_FROM_CLASS (klass),
-              G_SIGNAL_RUN_LAST,
-              G_STRUCT_OFFSET (UsersServiceDbusClass, guest_logged_in_changed),
-              NULL, NULL,
-              g_cclosure_marshal_VOID__VOID,
-              G_TYPE_NONE, 0);
-}
-
-static void
-users_service_dbus_init (UsersServiceDbus *self)
-{
-  GError * error = NULL;
-
-  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
-                                            USERS_SERVICE_DBUS_TYPE,
-                                            UsersServiceDbusPrivate);
-
-  UsersServiceDbusPrivate * p  = self->priv;
-
-  p->cancellable = g_cancellable_new ();
-
-  /* ssid -> AccountsUser */
-  p->sessions = g_hash_table_new_full (g_str_hash,
-                                       g_str_equal,
-                                       g_free,
-                                       g_object_unref);
-
-  /* user object path -> AccountsUser */
-  p->users = g_hash_table_new_full (g_str_hash,
-                                    g_str_equal,
-                                    g_free,
-                                    g_object_unref);
-
-  /**
-  ***  create the logind manager proxy...
-  **/
-
-  p->manager_proxy = login1_manager_proxy_new_for_bus_sync (
-                             G_BUS_TYPE_SYSTEM,
-                             G_DBUS_PROXY_FLAGS_NONE,
-                             "org.freedesktop.login1",
-                             "/org/freedesktop/login1",
-                             NULL,
-                             &error);
-  if (error != NULL)
-    {
-      g_warning ("%s: %s", G_STRLOC, error->message);
-      g_clear_error (&error);
-    }
-
-  p->seat = get_seat (self);
-
-  g_signal_connect (p->manager_proxy, "session-new",
-                    G_CALLBACK (on_session_added), self);
-  g_signal_connect (p->manager_proxy, "session-removed",
-                    G_CALLBACK (on_session_removed), self);
-
-  login1_manager_call_list_sessions (p->manager_proxy, p->cancellable,
-                    (GAsyncReadyCallback) on_session_list, self);
-
-  /**
-  ***  create the accounts manager proxy...
-  **/
-
-  Accounts * proxy = accounts_proxy_new_for_bus_sync (
-                       G_BUS_TYPE_SYSTEM,
-                       G_DBUS_PROXY_FLAGS_NONE,
-                       "org.freedesktop.Accounts",
-                       "/org/freedesktop/Accounts",
-                       NULL,
-                       &error);
-  if (error != NULL)
-    {
-      g_warning ("%s: %s", G_STRFUNC, error->message);
-      g_clear_error (&error);
-    }
-  else
-    {
-      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;
-      update_user_list (self);
-    }
-}
-
-/***
-****
-***/
-
-static void
-emit_user_list_changed (UsersServiceDbus * self)
-{
-  g_signal_emit (self, signals[USER_LIST_CHANGED], 0);
-}
-
-static void
-emit_user_login_changed (UsersServiceDbus * self, AccountsUser * user)
-{
-  g_signal_emit (self, signals[USER_LOGGED_IN_CHANGED], 0, user);
-}
-
-static void
-emit_guest_login_changed (UsersServiceDbus * self)
-{
-  g_signal_emit (self, signals[GUEST_LOGGED_IN_CHANGED], 0);
-}
-
-/***
-****
-***/
-
-static Login1User*
-create_login1_user_proxy (const char * path)
-{
-  
-  GError * error = NULL;
-
-  Login1User * p = login1_user_proxy_new_for_bus_sync (
-                            G_BUS_TYPE_SYSTEM,
-                            G_DBUS_PROXY_FLAGS_NONE,
-                            LOGIND_ADDR,
-                            path,
-                            NULL,
-                            &error);
-  if (error != NULL)
-    {
-      g_warning ("%s: %s", G_STRLOC, error->message);
-      g_error_free (error);
-    }
-
-  return p;
-}
-
-static Login1User *
-create_login1_user_proxy_from_uid (UsersServiceDbus * self,
-                                   guint64 uid)
-{
-  Login1Manager * manager = self->priv->manager_proxy;
-  Login1User * user_proxy = NULL;
-  gchar * user_object_path = NULL;
-  GError * error = NULL;
-
-  login1_manager_call_get_user_sync (manager, uid, &user_object_path, NULL,
-      &error);
-
-  if (error != NULL)
-    {
-      g_warning ("%s: %s", G_STRLOC, error->message);
-      g_error_free (error);
-    }
-
-  if (user_object_path != NULL)
-    user_proxy = create_login1_user_proxy (user_object_path);
-
-  return user_proxy;
-
-}
-
-static Login1Session *
-create_login1_session_proxy (const char * path)
-{
-  GError * error = NULL;
-
-  Login1Session * p = login1_session_proxy_new_for_bus_sync (
-                            G_BUS_TYPE_SYSTEM,
-                            G_DBUS_PROXY_FLAGS_NONE,
-                            LOGIND_ADDR,
-                            path,
-                            NULL,
-                            &error);
-  if (error != NULL)
-    {
-      g_warning ("%s: %s", G_STRLOC, error->message);
-      g_error_free (error);
-    }
-
-  return p;
-}
-
-
-static gchar *
-get_seat_from_session_proxy (Login1Session * session_proxy)
-{
-  gchar * seat;
-  GVariant * seatobj = login1_session_get_seat (session_proxy);
-
-  g_variant_get (seatobj, "(so)", &seat, NULL);
-
-  return seat;
-}
-
-static const gchar *
-get_display_from_session_proxy (Login1Session * session_proxy)
-{
-  const gchar * display;
-  display = login1_session_get_display (session_proxy);
-  return display;
-}
-
-static gchar *
-get_seat (UsersServiceDbus *service)
-{
-  gchar * seat = NULL;
-  gchar * path = NULL;
-  GError * error = NULL;
-  UsersServiceDbusPrivate * priv = service->priv;
-  Login1Session * session_proxy = NULL;
-  pid_t pid = getpid();
-
-  login1_manager_call_get_session_by_pid_sync (priv->manager_proxy,
-                                               pid,
-                                               &path,
-                                               NULL,
-                                               &error);
-
-
-  if (error != NULL)
-    {
-      g_debug ("%s: %s", G_STRLOC, error->message);
-      g_error_free (error);
-      goto out;
-    }
-
-  session_proxy = create_login1_session_proxy (path);
-
-  if (!session_proxy)
-    {
-      g_debug ("%s: Could't get session proxy object", G_STRLOC);
-    }
-
-  seat = get_seat_from_session_proxy (session_proxy);
-
-out:
-  g_object_unref (session_proxy);
-  return seat;
-}
-
-/***
-****  AccountsUser add-ons for tracking sessions
-***/
-
-static GHashTable*
-user_get_sessions_hashset (AccountsUser * user)
-{
-  static GQuark q = 0;
-
-  if (G_UNLIKELY(!q))
-    {
-      q = g_quark_from_static_string ("sessions");
-    }
-
-  GObject * o = G_OBJECT (user);
-  GHashTable * h = g_object_get_qdata (o, q);
-  if (h == NULL)
-    {
-      h = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
-      g_object_set_qdata_full (o, q, h, (GDestroyNotify)g_hash_table_destroy);
-    }
-
-  return h;
-}
-
-static void
-user_add_session (AccountsUser * user, const char * ssid)
-{
-  g_hash_table_add (user_get_sessions_hashset(user), g_strdup(ssid));
-}
-
-static void
-user_remove_session (AccountsUser * user, const char * ssid)
-{
-  g_hash_table_remove (user_get_sessions_hashset(user), ssid);
-}
-
-static guint
-user_count_sessions (AccountsUser * user)
-{
-  return g_hash_table_size (user_get_sessions_hashset(user));
-}
-
-/***
-****  Users
-***/
-
-/* adds this user session to the user's and service's session tables */
-static void
-add_user_session (UsersServiceDbus  * service,
-                  AccountsUser      * user,
-                  const gchar       * ssid,
-                  const gchar       * path)
-{
-  Login1Session * session_proxy = create_login1_session_proxy (path);
-  if (session_proxy != NULL)
-    {
-      UsersServiceDbusPrivate * priv = service->priv;
-      gchar * seat = get_seat_from_session_proxy (session_proxy);
-
-      /* is this session in our seat? */
-      if (seat && priv->seat && !g_strcmp0 (seat, priv->seat))
-        {
-          /* does this session have a display? */
-          const gchar * display = get_display_from_session_proxy (session_proxy);
-          const gboolean has_display = g_strcmp0 ("", display) != 0;
-
-          if (has_display)
-            {
-              const gchar * username = accounts_user_get_user_name (user);
-              g_debug ("%s adding %s's session '%s' to our tables",
-                       G_STRLOC, username, ssid);
-
-              g_hash_table_insert (priv->sessions,
-                                   g_strdup (ssid),
-                                   g_object_ref (user));
-
-              user_add_session (user, ssid);
-            }
-        }
-
-      g_free (seat);
-      g_object_unref (session_proxy);
-    }
-}
-
-/* calls add_user_session() for each of this user's sessions */
-static void
-add_user_sessions (UsersServiceDbus *self, AccountsUser * user)
-{
-  const guint64 uid = accounts_user_get_uid (user);
-  const char * username = accounts_user_get_user_name (user);
-  g_debug ("%s adding %s (%i)", G_STRLOC, username, (int)uid);
-
-  GVariant * sessions = NULL;
-
-  Login1User * user_proxy = create_login1_user_proxy_from_uid (self, uid);
-
-  if (user_proxy != NULL)
-    {
-      sessions = login1_user_get_sessions (user_proxy);
-    }
-
-  if (sessions != NULL)
-    {
-      GVariantIter iter;
-      g_variant_iter_init (&iter, sessions);
-      gchar * id;
-      gchar * object_path;
-
-      while (g_variant_iter_loop (&iter, "(so)", &id, &object_path))
-        {
-          g_debug ("%s adding %s's session %s", G_STRLOC, username, id);
-          add_user_session (self, user, id, object_path);
-        }
-    }
-
-  g_object_unref (user_proxy);
-}
-
-/* returns true if this property is one we use */
-static gboolean
-is_interesting_user_property (const char * key)
-{
-  return !g_strcmp0 (key, "IconFile")
-      || !g_strcmp0 (key, "LoginFrequency")
-      || !g_strcmp0 (key, "RealName")
-      || !g_strcmp0 (key, "Uid")
-      || !g_strcmp0 (key, "UserName");
-}
-
-static void
-sync_user_properties (GDBusProxy * source, GDBusProxy * target)
-{
-  gchar ** keys = g_dbus_proxy_get_cached_property_names (source);
-
-  if (keys != NULL)
-    {
-      int i;
-      GVariantBuilder builder;
-      gboolean changed = FALSE;
-      g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
-
-      for (i=0; keys[i]; i++)
-        {
-          const gchar * const key = keys[i];
-
-          if (is_interesting_user_property (key))
-            {
-              GVariant * oldval = g_dbus_proxy_get_cached_property (target, key);
-              GVariant * newval = g_dbus_proxy_get_cached_property (source, key);
-
-              /* all the properties we're interested in are
-                 basic types safe for g_variant_compare()... */
-              g_assert (g_variant_type_is_basic(g_variant_get_type(newval)));
-
-              if (g_variant_compare (oldval, newval))
-                {
-                  changed = TRUE;
-                  g_dbus_proxy_set_cached_property (target, key, newval);
-                  g_variant_builder_add (&builder, "{sv}", key, newval);
-                }
-
-              g_variant_unref (newval);
-              g_variant_unref (oldval);
-            }
-        }
-
-      if (changed)
-        {
-          g_signal_emit_by_name (target, "g-properties-changed", g_variant_builder_end(&builder), keys);
-        }
-
-      g_variant_builder_clear (&builder);
-      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)
-    {
-      sync_user_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,
-                          "org.freedesktop.Accounts",
-                          user_object_path,
-                          NULL,
-                          &error);
-
-  if (error != NULL)
-    {
-      g_warning ("%s: %s", G_STRLOC, error->message);
-      g_clear_error (&error);
-    }
-  else
-    {
-      AccountsUser * prev = g_hash_table_lookup (self->priv->users, user_object_path);
-
-      if (prev != NULL) /* we've already got this user... sync its properties */
-        {
-          sync_user_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);
-    }
-}
-
-
-/* asks org.freedesktop.Accounts for a list of users and
- * calls add_user_from_object_path() on each of those users */
-static void
-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;
-
-  accounts_call_list_cached_users_sync (priv->accounts_proxy,
-                                        &object_paths,
-                                        NULL,
-                                        &error);
-
-  if (error != NULL)
-    {
-      g_warning ("%s: %s", G_STRFUNC, error->message);
-      g_clear_error (&error);
-    }
-  else if (object_paths != NULL)
-    {
-      gint i;
-
-      for (i=0; object_paths[i] != NULL; ++i)
-        {
-          add_user_from_object_path (self, object_paths[i]);
-        }
-
-      emit_user_list_changed (self);
-
-      g_strfreev (object_paths);
-    }
-
-  g_debug ("%s finished updating the user list", G_STRLOC);
-}
-
-static void
-on_user_added (Accounts          * o          G_GNUC_UNUSED,
-               const gchar       * user_path  G_GNUC_UNUSED,
-               UsersServiceDbus  * service)
-{
-  /* 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
-on_user_deleted (Accounts          * o                  G_GNUC_UNUSED,
-                 const gchar       * user_path,
-                 UsersServiceDbus  * service)
-{
-  AccountsUser * user = g_hash_table_lookup (service->priv->users, user_path);
-
-  if (user != NULL)
-    {
-      GObject * o = g_object_ref (G_OBJECT(user));
-      g_hash_table_remove (service->priv->users, user_path);
-      emit_user_list_changed (service);
-      g_object_unref (o);
-    }
-}
-
-static AccountsUser *
-find_user_from_username (UsersServiceDbus  * self,
-                         const gchar       * username)
-{
-  AccountsUser * match = NULL;
-
-  g_return_val_if_fail (IS_USERS_SERVICE_DBUS(self), match);
-
-  gpointer user;
-  GHashTableIter iter;
-  g_hash_table_iter_init (&iter, self->priv->users);
-  while (!match && g_hash_table_iter_next (&iter, NULL, &user))
-    {
-      if (!g_strcmp0 (username, accounts_user_get_user_name (user)))
-        {
-          match = user;
-        }
-    }
-
-  return match;
-}
-
-/***
-****  Sessions
-***/
-
-static void
-on_session_removed (Login1Manager * proxy,
-                    const gchar        * ssid,
-                    const gchar        * path,
-                    UsersServiceDbus   * service)
-{
-  g_return_if_fail (IS_USERS_SERVICE_DBUS (service));
-
-  UsersServiceDbusPrivate * priv = service->priv;
-  g_debug ("%s %s() session removed %s", G_STRLOC, G_STRFUNC, ssid);
-
-  if (!g_strcmp0 (ssid, priv->guest_ssid))
-    {
-      g_debug ("%s removing guest session %s", G_STRLOC, ssid);
-      g_clear_pointer (&priv->guest_ssid, g_free);
-      emit_guest_login_changed (service);
-    }
-  else
-    {
-      AccountsUser * user = g_hash_table_lookup (priv->sessions, ssid);
-      if (user == NULL)
-        {
-          g_debug ("%s we're not tracking ssid %s", G_STRLOC, ssid);
-        }
-      else
-        {
-          GObject * o = g_object_ref (G_OBJECT(user));
-          g_hash_table_remove (service->priv->users, ssid);
-          user_remove_session (user, ssid);
-          emit_user_login_changed (service, user);
-          g_object_unref (o);
-        }
-    }
-}
-
-static gchar*
-get_unix_username_from_path (UsersServiceDbus * self,
-                             const gchar      * path)
-{
-
-  Login1Session * session_proxy = create_login1_session_proxy (path);
-  if (session_proxy != NULL)
-    {
-      gchar * username = g_strdup (login1_session_get_name (session_proxy));
-
-      g_debug ("%s Getting username for %s: %s", G_STRLOC, path, username);
-
-      g_object_unref (session_proxy);
-
-      return username;
-    } 
-      else 
-    {
-      return NULL;
-    }
-}
-
-static gboolean
-is_guest_username (const char * username)
-{
-  if (!g_strcmp0 (username, "guest"))
-    return TRUE;
-
-  if (username && g_str_has_prefix (username, "guest-"))
-    return TRUE;
-
-  return FALSE;
-}
-
-/* If the new session belongs to 'guest', update our guest_ssid.
-   Otherwise, call add_user_session() to update our session tables */
-static void
-on_session_added (Login1Manager * proxy G_GNUC_UNUSED,
-                  const gchar        * ssid,
-                  const gchar        * path,
-                  UsersServiceDbus   * service)
-{
-  g_return_if_fail (IS_USERS_SERVICE_DBUS(service));
-
-  gchar * username = get_unix_username_from_path (service, path);
-  g_debug ("%s %s() username %s has new session %s", G_STRLOC, G_STRFUNC, username, ssid);
-
-  if (is_guest_username (username))
-    {
-      /* handle guest as a special case -- it's not in the GDM
-         user tables and there isn't be an AccountsUser for it */
-      g_debug("Found guest session: %s", ssid);
-      g_free (service->priv->guest_ssid);
-      service->priv->guest_ssid = g_strdup (ssid);
-      emit_guest_login_changed (service);
-    }
-  else
-    {
-      AccountsUser * user = find_user_from_username (service, username);
-
-      if (user != NULL)
-        {
-          add_user_session (service, user, ssid, path);
-          emit_user_login_changed (service, user);
-        }
-    }
-
-}
-
-/* Receives a list of sessions and calls on_session_added() for each of them */
-static void
-on_session_list (Login1Manager    * proxy,
-                 GAsyncResult     * result,
-                 UsersServiceDbus * self)
-{
-  GError * error = NULL;
-  GVariant * sessions;
-  g_debug ("%s bootstrapping the session list", G_STRLOC);
-
-  login1_manager_call_list_sessions_finish (proxy,
-                                            &sessions,
-                                            result,
-                                            &error);
-
-  if (error != NULL)
-    {
-      g_debug ("%s: %s", G_STRLOC, error->message);
-      g_error_free (error);
-    }
-  else
-    {
-      GVariantIter * iter;
-      gchar * seat;
-      gchar * path;
-
-      g_variant_get (sessions, "a(susso)", &iter);
-
-      while (g_variant_iter_loop (iter, 
-                  "(susso)",
-                  NULL,
-                  NULL,
-                  NULL,
-                  &seat,
-                  &path))
-        {
-          if (g_strcmp0 (seat, self->priv->seat) == 0)
-            {
-              g_debug ("%s adding initial session '%s'", G_STRLOC, path);
-              on_session_added (proxy, seat, path, self);
-            }
-        }
-
-      g_variant_iter_free (iter);
-      g_variant_unref (sessions);
-
-    }
-
-  g_debug ("%s done bootstrapping the session list", G_STRLOC);
-}
-
-static DisplayManagerSeat *
-create_display_proxy (UsersServiceDbus * self)
-{
-  const gchar * const seat = g_getenv ("XDG_SEAT_PATH");
-  g_debug ("%s creating a DisplayManager proxy for seat %s", G_STRLOC, seat);
-
-  GError * error = NULL;
-  DisplayManagerSeat * p = display_manager_seat_proxy_new_for_bus_sync (
-                             G_BUS_TYPE_SYSTEM,
-                             G_DBUS_PROXY_FLAGS_NONE,
-                             "org.freedesktop.DisplayManager",
-                             seat,
-                             NULL,
-                             &error);
-
-  if (error != NULL)
-    {
-      g_warning ("%s: %s", G_STRLOC, error->message);
-      g_error_free (error);
-    }
-
-  return p;
-}
-
-/***
-****  Public API
-***/
-
-/**
- * users_service_dbus_get_user_list:
- *
- * Returns: (transfer container): a list of AccountsUser objects
- */
-GList *
-users_service_dbus_get_user_list (UsersServiceDbus * self)
-{
-  g_return_val_if_fail(IS_USERS_SERVICE_DBUS(self), NULL);
-
-  return g_hash_table_get_values (self->priv->users);
-}
-
-/**
- * users_service_dbus_show_greeter:
- *
- * Ask the Display Mnaager to switch to the greeter screen.
- */
-void
-users_service_dbus_show_greeter (UsersServiceDbus * self)
-{
-  DisplayManagerSeat * dp;
-
-  g_return_if_fail (IS_USERS_SERVICE_DBUS(self));
-
-  dp = create_display_proxy (self);
-  if (dp != NULL)
-    {
-      display_manager_seat_call_switch_to_greeter_sync (dp, NULL, NULL);
-      g_clear_object (&dp);
-    }
-}
-
-/**
- * users_service_dbus_activate_guest_session:
- *
- * Activates the guest account.
- */
-void
-users_service_dbus_activate_guest_session (UsersServiceDbus * self)
-{
-  DisplayManagerSeat * dp;
-
-  g_return_if_fail (IS_USERS_SERVICE_DBUS(self));
-
-  dp = create_display_proxy (self);
-  if (dp != NULL)
-    {
-      display_manager_seat_call_switch_to_guest_sync (dp, "", NULL, NULL);
-      g_clear_object (&dp);
-    }
-}
-
-/**
- * users_service_dbus_activate_user_session:
- *
- * Activates a specific user.
- */
-void
-users_service_dbus_activate_user_session (UsersServiceDbus * self,
-                                          AccountsUser     * user)
-{
-  DisplayManagerSeat * dp;
-
-  g_return_if_fail (IS_USERS_SERVICE_DBUS(self));
-
-  dp = create_display_proxy (self);
-  if (dp != NULL)
-    {
-      const char * const username = accounts_user_get_user_name (user);
-      display_manager_seat_call_switch_to_user_sync (dp, username, "", NULL, NULL);
-      g_clear_object (&dp);
-    }
-}
-
-/**
- * users_service_dbus_guest_session_enabled:
- *
- * Tells whether or not guest sessions are allowed.
- */
-gboolean
-users_service_dbus_guest_session_enabled (UsersServiceDbus * self)
-{
-  DisplayManagerSeat * dp;
-  gboolean enabled = FALSE;
-
-  g_return_val_if_fail (IS_USERS_SERVICE_DBUS(self), enabled);
-
-  dp = create_display_proxy (self);
-  if (dp != NULL)
-    {
-      enabled = display_manager_seat_get_has_guest_account (dp);
-      g_clear_object (&dp);
-    }
-
-  return enabled;
-}
-
-gboolean
-users_service_dbus_is_guest_logged_in (UsersServiceDbus * self)
-{
-  g_return_val_if_fail (IS_USERS_SERVICE_DBUS(self), FALSE);
-
-  return self->priv->guest_ssid != NULL;
-}
-
-gboolean
-users_service_dbus_is_user_logged_in (UsersServiceDbus  * self,
-                                      AccountsUser      * user)
-{
-  g_return_val_if_fail (IS_USERS_SERVICE_DBUS(self), FALSE);
-  g_return_val_if_fail (IS_ACCOUNTS_USER(user), FALSE);
-
-  return user_count_sessions (user) > 0;
-}
diff --git a/src/users-service-dbus.h b/src/users-service-dbus.h
deleted file mode 100644
index 3e5252d..0000000
--- a/src/users-service-dbus.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyright 2009 Canonical Ltd.
- *
- * Authors:
- *     Cody Russell <crussell@canonical.com>
- *     Charles Kerr <charles.kerr@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/>.
- */
-
-#ifndef __USERS_SERVICE_DBUS_H__
-#define __USERS_SERVICE_DBUS_H__
-
-#include <glib.h>
-#include <glib-object.h>
-
-#include "dbus-user.h" /* for AccountsUser */
-
-G_BEGIN_DECLS
-
-#define USERS_SERVICE_DBUS_TYPE  (users_service_dbus_get_type ())
-#define USERS_SERVICE_DBUS(o)    (G_TYPE_CHECK_INSTANCE_CAST ((o), USERS_SERVICE_DBUS_TYPE, UsersServiceDbus))
-#define IS_USERS_SERVICE_DBUS(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), USERS_SERVICE_DBUS_TYPE))
-
-typedef struct _UsersServiceDbus        UsersServiceDbus;
-typedef struct _UsersServiceDbusClass   UsersServiceDbusClass;
-typedef struct _UsersServiceDbusPrivate UsersServiceDbusPrivate;
-
-/**
- * A facade class which interacts with multiple DBus services to
- * track info which is useful to the interactor's user menu:
- *
- *  1. A list of users to add to the user menu.
- *
- *     Each user is an AccountsUser object, which is a GDBusProxy
- *     to an org.freedesktop.Accounts.User object.
- *
- *     We initially build this list by calling org.freedesktop.Accounts'
- *     GetCachedUsers method. We also monitor o.f.Accounts' UserAdded
- *     and UserDeleted and update the list accordingly.
- *
- *  2. Track which users currently have X sessions.
- *     This is used for the menuitems' USER_ITEM_PROP_LOGGED_IN property.
- *
- *     We initially build this list by calling org.freedesktop.login1's
- *     ListSessions method. We also monitor the seat for SessionNew and
- *     SessionRemoved and update the list accordingly.
- *
- *  3. Provide an API for user switching and guest sessions.
- *     These are typically pass-through functions to GDBusProxies.
- *
- */
-struct _UsersServiceDbus
-{
-  /*< private >*/
-  GObject parent;
-  UsersServiceDbusPrivate * priv;
-};
-
-struct _UsersServiceDbusClass
-{
-  GObjectClass parent_class;
-
-  /* Signals */
-  void (* user_list_changed)       (UsersServiceDbus*, gpointer);
-  void (* user_logged_in_changed)  (UsersServiceDbus*, AccountsUser*, gpointer);
-  void (* guest_logged_in_changed) (UsersServiceDbus*, gpointer);
-};
-
-GType     users_service_dbus_get_type               (void) G_GNUC_CONST;
-
-GList   * users_service_dbus_get_user_list          (UsersServiceDbus * self);
-
-gboolean  users_service_dbus_is_guest_logged_in     (UsersServiceDbus * self);
-gboolean  users_service_dbus_is_user_logged_in      (UsersServiceDbus * self,
-                                                     AccountsUser     * user);
-
-void      users_service_dbus_show_greeter           (UsersServiceDbus * self);
-gboolean  users_service_dbus_guest_session_enabled  (UsersServiceDbus * self);
-void      users_service_dbus_activate_guest_session (UsersServiceDbus * self);
-void      users_service_dbus_activate_user_session  (UsersServiceDbus * self,
-                                                     AccountsUser     * user);
-
-G_END_DECLS
-
-#endif
diff --git a/src/users.c b/src/users.c
new file mode 100644
index 0000000..5e4d910
--- /dev/null
+++ b/src/users.c
@@ -0,0 +1,198 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#include "users.h"
+
+/* signals enum */
+enum
+{
+  USER_ADDED,
+  USER_REMOVED,
+  USER_CHANGED,
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+G_DEFINE_TYPE (IndicatorSessionUsers, indicator_session_users, G_TYPE_OBJECT)
+
+enum
+{
+  PROP_0,
+  PROP_IS_LIVE_SESSION,
+  PROP_LAST
+};
+
+static GParamSpec *properties[PROP_LAST];
+
+static void
+my_get_property (GObject     * o,
+                 guint         property_id,
+                 GValue      * value,
+                 GParamSpec  * pspec)
+{
+  IndicatorSessionUsers * self = INDICATOR_SESSION_USERS (o);
+
+  switch (property_id)
+    {
+      case PROP_IS_LIVE_SESSION:
+        g_value_set_boolean (value, indicator_session_users_is_live_session (self));
+        break;
+
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (o, property_id, pspec);
+    }
+}
+
+static void
+/* cppcheck-suppress unusedFunction */
+indicator_session_users_class_init (IndicatorSessionUsersClass * klass)
+{
+  GObjectClass * object_class;
+  const GParamFlags flags = G_PARAM_READABLE | G_PARAM_STATIC_STRINGS;
+
+  object_class = G_OBJECT_CLASS (klass);
+  object_class->get_property = my_get_property;
+
+  signals[USER_ADDED] = g_signal_new (INDICATOR_SESSION_USERS_SIGNAL_USER_ADDED,
+                                      G_TYPE_FROM_CLASS(klass),
+                                      G_SIGNAL_RUN_LAST,
+                                      G_STRUCT_OFFSET (IndicatorSessionUsersClass, user_added),
+                                      NULL, NULL,
+                                      g_cclosure_marshal_VOID__UINT,
+                                      G_TYPE_NONE, 1, G_TYPE_UINT);
+
+  signals[USER_REMOVED] = g_signal_new (INDICATOR_SESSION_USERS_SIGNAL_USER_REMOVED,
+                                        G_TYPE_FROM_CLASS(klass),
+                                        G_SIGNAL_RUN_LAST,
+                                        G_STRUCT_OFFSET (IndicatorSessionUsersClass, user_removed),
+                                        NULL, NULL,
+                                        g_cclosure_marshal_VOID__UINT,
+                                        G_TYPE_NONE, 1, G_TYPE_UINT);
+
+  signals[USER_CHANGED] = g_signal_new (INDICATOR_SESSION_USERS_SIGNAL_USER_CHANGED,
+                                        G_TYPE_FROM_CLASS(klass),
+                                        G_SIGNAL_RUN_LAST,
+                                        G_STRUCT_OFFSET (IndicatorSessionUsersClass, user_changed),
+                                        NULL, NULL,
+                                        g_cclosure_marshal_VOID__UINT,
+                                        G_TYPE_NONE, 1, G_TYPE_UINT);
+
+
+  properties[PROP_IS_LIVE_SESSION] =
+    g_param_spec_boolean (INDICATOR_SESSION_USERS_PROP_IS_LIVE_SESSION,
+                          "Is Live Session",
+                          "Whether or this is a 'live session', such as booting from a live CD",
+                          FALSE, flags);
+
+  g_object_class_install_properties (object_class, PROP_LAST, properties);
+
+}
+
+static void
+/* cppcheck-suppress unusedFunction */
+indicator_session_users_init (IndicatorSessionUsers * self G_GNUC_UNUSED)
+{
+}
+
+/***
+****  Virtual Functions
+***/
+
+GList *
+indicator_session_users_get_uids (IndicatorSessionUsers * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_USERS (self), NULL);
+
+  return INDICATOR_SESSION_USERS_GET_CLASS (self)->get_uids (self);
+}
+
+IndicatorSessionUser *
+indicator_session_users_get_user (IndicatorSessionUsers * self,
+                                  guint                   uid)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_USERS (self), NULL);
+
+  return INDICATOR_SESSION_USERS_GET_CLASS (self)->get_user (self, uid);
+}
+
+void
+indicator_session_users_activate_user (IndicatorSessionUsers * self, 
+                                       guint                   uid)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_USERS (self));
+
+  INDICATOR_SESSION_USERS_GET_CLASS (self)->activate_user (self, uid);
+}
+
+gboolean
+indicator_session_users_is_live_session (IndicatorSessionUsers * self)
+{
+  g_return_val_if_fail (INDICATOR_IS_SESSION_USERS (self), FALSE);
+
+  return INDICATOR_SESSION_USERS_GET_CLASS (self)->is_live_session (self);
+}
+
+void
+indicator_session_user_free (IndicatorSessionUser * user)
+{
+  g_return_if_fail (user != NULL);
+
+  g_free (user->real_name);
+  g_free (user->user_name);
+  g_free (user->icon_file);
+  g_free (user);
+}
+
+/***
+****  Signal Convenience
+***/
+
+void
+indicator_session_users_added (IndicatorSessionUsers * self, guint uid)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_USERS (self));
+
+  g_signal_emit (self, signals[USER_ADDED], 0, uid);
+}
+
+void
+indicator_session_users_removed (IndicatorSessionUsers * self, guint uid)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_USERS (self));
+
+  g_signal_emit (self, signals[USER_REMOVED], 0, uid);
+}
+
+void
+indicator_session_users_changed (IndicatorSessionUsers * self, guint uid)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_USERS (self));
+
+  g_signal_emit (self, signals[USER_CHANGED], 0, uid);
+}
+
+void
+indicator_session_users_notify_is_live_session (IndicatorSessionUsers * self)
+{
+  g_return_if_fail (INDICATOR_IS_SESSION_USERS (self));
+
+  g_object_notify_by_pspec (G_OBJECT(self), properties[PROP_IS_LIVE_SESSION]);
+}
+
diff --git a/src/users.h b/src/users.h
new file mode 100644
index 0000000..9871766
--- /dev/null
+++ b/src/users.h
@@ -0,0 +1,156 @@
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@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/>.
+ */
+
+#ifndef __USERS_H__
+#define __USERS_H__
+
+#include <glib.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define INDICATOR_TYPE_SESSION_USERS          (indicator_session_users_get_type())
+#define INDICATOR_SESSION_USERS(o)            (G_TYPE_CHECK_INSTANCE_CAST ((o), INDICATOR_TYPE_SESSION_USERS, IndicatorSessionUsers))
+#define INDICATOR_SESSION_USERS_GET_CLASS(o)  (G_TYPE_INSTANCE_GET_CLASS ((o), INDICATOR_TYPE_SESSION_USERS, IndicatorSessionUsersClass))
+#define INDICATOR_SESSION_USERS_CLASS(k)      (G_TYPE_CHECK_CLASS_CAST ((k), INDICATOR_TYPE_SESSION_USERS, IndicatorSessionUsersClass))
+#define INDICATOR_IS_SESSION_USERS(o)         (G_TYPE_CHECK_INSTANCE_TYPE ((o), INDICATOR_TYPE_SESSION_USERS))
+
+
+typedef struct _IndicatorSessionUser         IndicatorSessionUser;
+typedef struct _IndicatorSessionUsers        IndicatorSessionUsers;
+typedef struct _IndicatorSessionUsersClass   IndicatorSessionUsersClass;
+
+/**
+ * A base class for monitoring the system's users and active sessions.
+ * Use backend.h's get_backend() to get an instance.
+ */
+struct _IndicatorSessionUsers
+{
+  /*< private >*/
+  GObject parent;
+};
+
+struct _IndicatorSessionUser
+{
+  gboolean is_current_user;
+  gboolean is_logged_in;
+  guint uid;
+  guint64 login_frequency;
+  gchar * user_name;
+  gchar * real_name;
+  gchar * icon_file;
+};
+
+/* signal keys */
+#define INDICATOR_SESSION_USERS_SIGNAL_USER_ADDED   "user-added"
+#define INDICATOR_SESSION_USERS_SIGNAL_USER_REMOVED "user-removed"
+#define INDICATOR_SESSION_USERS_SIGNAL_USER_CHANGED "user-changed"
+
+/* property keys */
+#define INDICATOR_SESSION_USERS_PROP_IS_LIVE_SESSION "is-live-session"
+
+struct _IndicatorSessionUsersClass
+{
+  GObjectClass parent_class;
+
+  /* signals */
+
+  void (* user_added)    (IndicatorSessionUsers * self,
+                          guint                   uid);
+
+  void (* user_removed)   (IndicatorSessionUsers * self,
+                           guint                   uid);
+
+  void (* user_changed)   (IndicatorSessionUsers * self,
+                           guint                   uid);
+
+
+  /* pure virtual functions */
+
+  gboolean               (* is_live_session) (IndicatorSessionUsers * self);
+
+
+  GList*                 (* get_uids)        (IndicatorSessionUsers * self);
+
+  IndicatorSessionUser * (* get_user)        (IndicatorSessionUsers * self,
+                                              guint                   uid);
+
+  void                   ( * activate_user)  (IndicatorSessionUsers * self,
+                                              guint                   uid);
+};
+
+/***
+****
+***/
+
+GType indicator_session_users_get_type (void);
+
+/* emits the "user-added" signal */
+void indicator_session_users_added   (IndicatorSessionUsers * self,
+                                      guint                   uid);
+
+/* emits the "user-removed" signal */
+void indicator_session_users_removed (IndicatorSessionUsers * self,
+                                      guint                   uid);
+
+/* emits the "user-changed" signal */
+void indicator_session_users_changed (IndicatorSessionUsers * self,
+                                      guint                   uid);
+
+/* notify listeners of a change to the 'is-live-session' property */
+void indicator_session_users_notify_is_live_session (IndicatorSessionUsers * self);
+
+
+
+/***
+****
+***/
+
+gboolean indicator_session_users_is_live_session (IndicatorSessionUsers * users);
+
+/**
+ * Get a list of the users to show in the indicator
+ *
+ * Return value: (transfer container): a GList of guint user ids.
+ * Free with g_slist_free() when done.
+ */
+GList * indicator_session_users_get_uids (IndicatorSessionUsers * users);
+
+/**
+ * Get information about a particular user.
+ *
+ * Return value: (transfer full): an IndicatorSessionUser struct
+ * populated with information about the specified user.
+ * Free with indicator_session_user_free() when done.
+ */
+IndicatorSessionUser *
+indicator_session_users_get_user (IndicatorSessionUsers * users,
+                                  guint                   uid);
+
+/* frees a IndicatorSessionUser struct */
+void indicator_session_user_free (IndicatorSessionUser * user);
+
+/* activate to a different session */
+void indicator_session_users_activate_user (IndicatorSessionUsers * self,
+                                            guint                   uid);
+
+
+G_END_DECLS
+
+#endif