+#include "deviceeventcontroller.h"
+
+#define CORBA_GCONF_KEY "/desktop/gnome/interface/at-spi-corba"
+
+static gboolean need_to_quit ();
+
+static GMainLoop *mainloop;
+static gchar *dbus_name = NULL;
+static gboolean use_gnome_session = FALSE;
+
+static GOptionEntry optentries[] =
+{
+ {"dbus-name", 0, 0, G_OPTION_ARG_STRING, &dbus_name, "Well-known name to register with D-Bus", NULL},
+ {"use-gnome-session", 0, 0, G_OPTION_ARG_NONE, &use_gnome_session, "Should register with gnome session manager", NULL},
+ {NULL}
+};
+
+static DBusGConnection *bus_connection = NULL;
+static DBusGProxy *sm_proxy = NULL;
+static char *client_id = NULL;
+static DBusGProxy *client_proxy = NULL;
+
+#define SM_DBUS_NAME "org.gnome.SessionManager"
+#define SM_DBUS_PATH "/org/gnome/SessionManager"
+#define SM_DBUS_INTERFACE "org.gnome.SessionManager"
+
+#define SM_CLIENT_DBUS_INTERFACE "org.gnome.SessionManager.ClientPrivate"
+
+static void registry_session_init (const char *previous_client_id, const char *exe);
+
+static gboolean
+session_manager_connect (void)
+{
+
+ if (bus_connection == NULL) {
+ GError *error;
+
+ error = NULL;
+ bus_connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
+ if (bus_connection == NULL) {
+ g_message ("Failed to connect to the session bus: %s",
+ error->message);
+ g_error_free (error);
+ exit (1);
+ }
+ }
+
+ sm_proxy = dbus_g_proxy_new_for_name (bus_connection,
+ SM_DBUS_NAME,
+ SM_DBUS_PATH,
+ SM_DBUS_INTERFACE);
+ return (sm_proxy != NULL);
+}
+
+static void
+kill_accessibility_bus ()
+{
+ FILE *fp;
+ const char *home;
+ char *name;
+ int pid;
+
+ home = getenv ("HOME");
+ if (!home)
+ return;
+ name = g_strconcat (home, "/", ".atspi-dbus-bus.pid", NULL);
+ if (!name)
+ return;
+
+ fp = fopen (name, "r");
+ if (fp)
+ {
+ if (fscanf (fp, "%d", &pid) == 1)
+ {
+ kill (&pid, SIGTERM);
+ }
+ fclose (fp);
+ }
+ g_free (name);
+}
+
+static void
+stop_cb (gpointer data)
+{
+ kill_accessibility_bus ();
+ g_main_loop_quit (mainloop);
+}
+
+static gboolean
+end_session_response (gboolean is_okay, const gchar *reason)
+{
+ gboolean ret;
+ GError *error = NULL;
+
+ ret = dbus_g_proxy_call (client_proxy, "EndSessionResponse",
+ &error,
+ G_TYPE_BOOLEAN, is_okay,
+ G_TYPE_STRING, reason,
+ G_TYPE_INVALID,
+ G_TYPE_INVALID);
+
+ if (!ret) {
+ g_warning ("Failed to send session response %s", error->message);
+ g_error_free (error);
+ }
+
+ return ret;
+}
+
+static void
+query_end_session_cb (guint flags, gpointer data)
+{
+ end_session_response (TRUE, NULL);
+}
+
+static void
+end_session_cb (guint flags, gpointer data)
+{
+ kill_accessibility_bus ();
+ end_session_response (TRUE, NULL);
+ g_main_loop_quit (mainloop);
+}
+static gboolean
+register_client (void)
+{
+ GError *error;
+ gboolean res;
+ const char *startup_id;
+ const char *app_id;
+
+ startup_id = g_getenv ("DESKTOP_AUTOSTART_ID");
+ app_id = "at-spi-registryd.desktop";
+
+ error = NULL;
+ res = dbus_g_proxy_call (sm_proxy,
+ "RegisterClient",
+ &error,
+ G_TYPE_STRING, app_id,
+ G_TYPE_STRING, startup_id,
+ G_TYPE_INVALID,
+ DBUS_TYPE_G_OBJECT_PATH, &client_id,
+ G_TYPE_INVALID);
+ if (! res) {
+ g_warning ("Failed to register client: %s", error->message);
+ g_error_free (error);
+ return FALSE;
+ }
+
+ client_proxy = dbus_g_proxy_new_for_name (bus_connection,
+ SM_DBUS_NAME,
+ client_id,
+ SM_CLIENT_DBUS_INTERFACE);
+
+ dbus_g_proxy_add_signal (client_proxy, "Stop", G_TYPE_INVALID);
+ dbus_g_proxy_connect_signal (client_proxy, "Stop",
+ G_CALLBACK (stop_cb), NULL, NULL);
+
+ dbus_g_proxy_add_signal (client_proxy, "QueryEndSession", G_TYPE_UINT, G_TYPE_INVALID);
+ dbus_g_proxy_connect_signal (client_proxy, "QueryEndSession",
+ G_CALLBACK (query_end_session_cb), NULL, NULL);
+
+ dbus_g_proxy_add_signal (client_proxy, "EndSession", G_TYPE_UINT, G_TYPE_INVALID);
+ dbus_g_proxy_connect_signal (client_proxy, "EndSession",
+ G_CALLBACK (end_session_cb), NULL, NULL);
+
+ g_unsetenv ("DESKTOP_AUTOSTART_ID");
+
+ return TRUE;
+}
+
+/*---------------------------------------------------------------------------*/
+
+/*
+ * Returns a 'canonicalized' value for DISPLAY,
+ * with the screen number stripped off if present.
+ *
+ */
+static const gchar*
+spi_display_name (void)
+{
+ static const char *canonical_display_name = NULL;
+ if (!canonical_display_name)
+ {
+ const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
+ if (!display_env)
+ {
+ display_env = g_getenv ("DISPLAY");
+ if (!display_env || !display_env[0])
+ canonical_display_name = ":0";
+ else
+ {
+ gchar *display_p, *screen_p;
+ canonical_display_name = g_strdup (display_env);
+ display_p = strrchr (canonical_display_name, ':');
+ screen_p = strrchr (canonical_display_name, '.');
+ if (screen_p && display_p && (screen_p > display_p))
+ {
+ *screen_p = '\0';
+ }
+ }
+ }
+ else
+ {
+ canonical_display_name = display_env;
+ }
+ }
+ return canonical_display_name;
+}
+
+/*---------------------------------------------------------------------------*/
+
+/*
+ * Gets the IOR from the XDisplay.
+ * Not currently used in D-Bus version, but something similar
+ * may be employed in the future for accessing the registry daemon
+ * bus name.
+ */
+
+static DBusConnection *
+spi_get_bus (void)
+{
+ Atom AT_SPI_BUS;
+ Atom actual_type;
+ Display *bridge_display;
+ int actual_format;
+ unsigned char *data = NULL;
+ unsigned long nitems;
+ unsigned long leftover;
+
+ DBusConnection *bus = NULL;
+ DBusError error;
+
+ bridge_display = XOpenDisplay (spi_display_name ());
+ if (!bridge_display)
+ g_error ("AT_SPI: Could not get the display");
+
+ AT_SPI_BUS = XInternAtom (bridge_display, "AT_SPI_BUS", FALSE);
+ XGetWindowProperty(bridge_display,
+ XDefaultRootWindow (bridge_display),
+ AT_SPI_BUS, 0L,
+ (long)BUFSIZ, False,
+ (Atom) 31, &actual_type, &actual_format,
+ &nitems, &leftover, &data);
+
+ dbus_error_init (&error);
+
+ if (data == NULL)
+ {
+ g_warning ("AT-SPI: Accessibility bus bus not found - Using session bus.\n");
+ bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
+ if (!bus)
+ g_error ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
+ }
+ else
+ {
+ bus = dbus_connection_open (data, &error);
+ XFree (data);
+ if (!bus)
+ {
+ g_error ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
+ }
+ else
+ {
+ if (!dbus_bus_register (bus, &error))
+ g_error ("AT-SPI: Couldn't register with bus: %s\n", error.message);
+ }
+ }
+
+ XCloseDisplay (bridge_display);
+ return bus;
+}
+
+/*---------------------------------------------------------------------------*/
+
+typedef GObject *(*gconf_client_get_default_t) ();
+typedef gboolean (*gconf_client_get_bool_t)(GObject *, const char *, void *);