2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2002 Sun Microsystems Inc.,
6 * Copyright 2001, 2002 Ximian, Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
31 #include <dbus/dbus.h>
32 #include <dbus/dbus-glib.h>
36 #include "deviceeventcontroller.h"
38 #if !defined ATSPI_INTROSPECTION_PATH
39 #error "No introspection XML directory defined"
43 #define DBUS_GCONF_KEY "/desktop/gnome/interface/at-spi-dbus"
45 #define CORBA_GCONF_KEY "/desktop/gnome/interface/at-spi-corba"
48 static gboolean need_to_quit ();
50 static GMainLoop *mainloop;
51 static gchar *dbus_name = NULL;
52 static gboolean use_gnome_session = FALSE;
54 static GOptionEntry optentries[] =
56 {"dbus-name", 0, 0, G_OPTION_ARG_STRING, &dbus_name, "Well-known name to register with D-Bus", NULL},
57 {"use-gnome-session", 0, 0, G_OPTION_ARG_NONE, &use_gnome_session, "Should register with gnome session manager", NULL},
61 static DBusGConnection *bus_connection = NULL;
62 static DBusGProxy *sm_proxy = NULL;
63 static char *client_id = NULL;
64 static DBusGProxy *client_proxy = NULL;
66 #define SM_DBUS_NAME "org.gnome.SessionManager"
67 #define SM_DBUS_PATH "/org/gnome/SessionManager"
68 #define SM_DBUS_INTERFACE "org.gnome.SessionManager"
70 #define SM_CLIENT_DBUS_INTERFACE "org.gnome.SessionManager.ClientPrivate"
72 static void registry_session_init (const char *previous_client_id, const char *exe);
75 session_manager_connect (void)
78 if (bus_connection == NULL) {
82 bus_connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
83 if (bus_connection == NULL) {
84 g_message ("Failed to connect to the session bus: %s",
91 sm_proxy = dbus_g_proxy_new_for_name (bus_connection,
95 return (sm_proxy != NULL);
99 stop_cb (gpointer data)
101 g_main_loop_quit (mainloop);
105 end_session_response (gboolean is_okay, const gchar *reason)
108 GError *error = NULL;
110 ret = dbus_g_proxy_call (client_proxy, "EndSessionResponse",
112 G_TYPE_BOOLEAN, is_okay,
113 G_TYPE_STRING, reason,
118 g_warning ("Failed to send session response %s", error->message);
119 g_error_free (error);
126 query_end_session_cb (guint flags, gpointer data)
128 end_session_response (TRUE, NULL);
132 end_session_cb (guint flags, gpointer data)
134 end_session_response (TRUE, NULL);
135 g_main_loop_quit (mainloop);
138 register_client (void)
142 const char *startup_id;
145 startup_id = g_getenv ("DESKTOP_AUTOSTART_ID");
146 app_id = "at-spi-registryd.desktop";
149 res = dbus_g_proxy_call (sm_proxy,
152 G_TYPE_STRING, app_id,
153 G_TYPE_STRING, startup_id,
155 DBUS_TYPE_G_OBJECT_PATH, &client_id,
158 g_warning ("Failed to register client: %s", error->message);
159 g_error_free (error);
163 client_proxy = dbus_g_proxy_new_for_name (bus_connection,
166 SM_CLIENT_DBUS_INTERFACE);
168 dbus_g_proxy_add_signal (client_proxy, "Stop", G_TYPE_INVALID);
169 dbus_g_proxy_connect_signal (client_proxy, "Stop",
170 G_CALLBACK (stop_cb), NULL, NULL);
172 dbus_g_proxy_add_signal (client_proxy, "QueryEndSession", G_TYPE_UINT, G_TYPE_INVALID);
173 dbus_g_proxy_connect_signal (client_proxy, "QueryEndSession",
174 G_CALLBACK (query_end_session_cb), NULL, NULL);
176 dbus_g_proxy_add_signal (client_proxy, "EndSession", G_TYPE_UINT, G_TYPE_INVALID);
177 dbus_g_proxy_connect_signal (client_proxy, "EndSession",
178 G_CALLBACK (end_session_cb), NULL, NULL);
180 g_unsetenv ("DESKTOP_AUTOSTART_ID");
185 /*---------------------------------------------------------------------------*/
188 * Returns a 'canonicalized' value for DISPLAY,
189 * with the screen number stripped off if present.
193 spi_display_name (void)
195 static const char *canonical_display_name = NULL;
196 if (!canonical_display_name)
198 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
201 display_env = g_getenv ("DISPLAY");
202 if (!display_env || !display_env[0])
203 canonical_display_name = ":0";
206 gchar *display_p, *screen_p;
207 canonical_display_name = g_strdup (display_env);
208 display_p = strrchr (canonical_display_name, ':');
209 screen_p = strrchr (canonical_display_name, '.');
210 if (screen_p && display_p && (screen_p > display_p))
218 canonical_display_name = display_env;
221 return canonical_display_name;
224 /*---------------------------------------------------------------------------*/
227 * Gets the IOR from the XDisplay.
228 * Not currently used in D-Bus version, but something similar
229 * may be employed in the future for accessing the registry daemon
233 static DBusConnection *
238 Display *bridge_display;
240 unsigned char *data = NULL;
241 unsigned long nitems;
242 unsigned long leftover;
244 DBusConnection *bus = NULL;
247 bridge_display = XOpenDisplay (spi_display_name ());
249 g_error ("AT_SPI: Could not get the display");
251 AT_SPI_BUS = XInternAtom (bridge_display, "AT_SPI_BUS", FALSE);
252 XGetWindowProperty(bridge_display,
253 XDefaultRootWindow (bridge_display),
256 (Atom) 31, &actual_type, &actual_format,
257 &nitems, &leftover, &data);
259 dbus_error_init (&error);
263 g_warning ("AT-SPI: Accessibility bus bus not found - Using session bus.\n");
264 bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
266 g_error ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
270 bus = dbus_connection_open (data, &error);
273 g_error ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
277 if (!dbus_bus_register (bus, &error))
278 g_error ("AT-SPI: Couldn't register with bus: %s\n", error.message);
285 /*---------------------------------------------------------------------------*/
287 typedef GObject *(*gconf_client_get_default_t) ();
288 typedef gboolean (*gconf_client_get_bool_t)(GObject *, const char *, void *);
291 main (int argc, char **argv)
293 SpiRegistry *registry;
294 SpiDEController *dec;
295 gchar *introspection_directory;
297 DBusConnection *bus = NULL;
310 /*Parse command options*/
311 opt = g_option_context_new(NULL);
312 g_option_context_add_main_entries(opt, optentries, NULL);
314 if (!g_option_context_parse(opt, &argc, &argv, &err))
315 g_error("Option parsing failed: %s\n", err->message);
317 if (dbus_name == NULL)
318 dbus_name = SPI_DBUS_NAME_REGISTRY;
320 dbus_error_init (&error);
321 bus = dbus_bus_get(DBUS_BUS_SESSION, &error);
322 bus = spi_get_bus ();
328 mainloop = g_main_loop_new (NULL, FALSE);
329 dbus_connection_setup_with_g_main(bus, NULL);
331 ret = dbus_bus_request_name(bus, dbus_name, DBUS_NAME_FLAG_DO_NOT_QUEUE, &error);
332 if (ret == DBUS_REQUEST_NAME_REPLY_EXISTS)
334 g_error("Could not obtain D-Bus name - %s\n", dbus_name);
338 g_print ("SpiRegistry daemon is running with well-known name - %s\n", dbus_name);
341 /* Get D-Bus introspection directory */
342 introspection_directory = (char *) g_getenv("ATSPI_INTROSPECTION_PATH");
343 if (introspection_directory == NULL)
344 introspection_directory = ATSPI_INTROSPECTION_PATH;
346 registry = spi_registry_new (bus);
347 dec = spi_registry_dec_new (registry, bus);
349 if (use_gnome_session)
351 if (!session_manager_connect ())
352 g_warning ("Unable to connect to session manager");
354 if (!register_client ())
355 g_warning ("Unable to register client with session manager");
358 g_main_loop_run (mainloop);
366 gconf_client_get_default_t gconf_client_get_default = NULL;
367 gconf_client_get_bool_t gconf_client_get_bool = NULL;
368 GObject *gconf_client; /* really a GConfClient */
373 gconf = dlopen ("libgconf-2.so", RTLD_LAZY);
376 gconf_client_get_default = dlsym (gconf, "gconf_client_get_default");
377 gconf_client_get_bool = dlsym (gconf, "gconf_client_get_bool");
380 if (!gconf_client || !gconf_client_get_bool)
387 /* If we've been relocated, we will exit if the at-spi-corba gconf key
388 * has been set. If we have not been relocated, we will only run if the
389 * at-spi-dbus gconf key has been set.
391 gconf_client = gconf_client_get_default ();
393 ret = !gconf_client_get_bool (gconf_client, DBUS_GCONF_KEY, NULL);
395 ret = gconf_client_get_bool (gconf_client, CORBA_GCONF_KEY, NULL);
397 g_object_unref (gconf_client);