2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2008, 2009 Codethink Ltd.
6 * Copyright 2001, 2002, 2003 Sun Microsystems Inc.,
7 * Copyright 2001, 2002, 2003 Ximian, Inc.
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Library General Public License for more details.
19 * You should have received a copy of the GNU Library General Public
20 * License along with this library; if not, write to the
21 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 * Boston, MA 02111-1307, USA.
36 #include <droute/droute.h>
37 #include <atspi/atspi.h>
38 #include <atk-bridge.h>
44 #include "accessible-stateset.h"
46 #include "accessible-register.h"
47 #include "accessible-leasing.h"
48 #include "accessible-cache.h"
52 /*---------------------------------------------------------------------------*/
54 static DBusHandlerResult
55 signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data);
57 SpiBridge *spi_global_app_data = NULL;
59 static gboolean inited = FALSE;
61 /*---------------------------------------------------------------------------*/
64 add_event (const char *bus_name, const char *event)
69 spi_atk_add_client (bus_name);
70 evdata = (event_data *) g_malloc (sizeof (*evdata));
73 data = g_strsplit (event, ":", 3);
79 evdata->bus_name = g_strdup (bus_name);
81 spi_global_app_data->events = g_list_append (spi_global_app_data->events, evdata);
84 static GSList *clients = NULL;
89 static int replies_received = 0;
91 if (!spi_global_app_data)
95 if (replies_received == 3)
98 spi_atk_deregister_event_listeners ();
99 spi_global_app_data->events_initialized = TRUE;
104 get_events_reply (DBusPendingCall *pending, void *user_data)
106 DBusMessage *reply = dbus_pending_call_steal_reply (pending);
107 DBusMessageIter iter, iter_array, iter_struct;
112 if (strcmp (dbus_message_get_signature (reply), "a(ss)") != 0)
114 g_warning ("atk-bridge: GetRegisteredEvents returned message with unknown signature");
118 dbus_message_iter_init (reply, &iter);
119 dbus_message_iter_recurse (&iter, &iter_array);
120 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
122 char *bus_name, *event;
123 dbus_message_iter_recurse (&iter_array, &iter_struct);
124 dbus_message_iter_get_basic (&iter_struct, &bus_name);
125 dbus_message_iter_next (&iter_struct);
126 dbus_message_iter_get_basic (&iter_struct, &event);
127 add_event (bus_name, event);
128 dbus_message_iter_next (&iter_array);
133 dbus_message_unref (reply);
135 dbus_pending_call_unref (pending);
137 tally_event_reply ();
141 get_device_events_reply (DBusPendingCall *pending, void *user_data)
143 DBusMessage *reply = dbus_pending_call_steal_reply (pending);
144 DBusMessageIter iter, iter_array, iter_struct;
149 if (strncmp (dbus_message_get_signature (reply), "a(s", 3) != 0)
151 g_warning ("atk-bridge: get_device_events_reply: unknown signature");
155 dbus_message_iter_init (reply, &iter);
156 dbus_message_iter_recurse (&iter, &iter_array);
157 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
160 dbus_message_iter_recurse (&iter_array, &iter_struct);
161 dbus_message_iter_get_basic (&iter_struct, &bus_name);
162 spi_atk_add_client (bus_name);
163 dbus_message_iter_next (&iter_array);
168 dbus_message_unref (reply);
170 dbus_pending_call_unref (pending);
172 tally_event_reply ();
176 get_registered_event_listeners (SpiBridge *app)
178 DBusMessage *message;
179 DBusPendingCall *pending = NULL;
181 message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
182 ATSPI_DBUS_PATH_REGISTRY,
183 ATSPI_DBUS_INTERFACE_REGISTRY,
184 "GetRegisteredEvents");
188 dbus_connection_send_with_reply (app->bus, message, &pending, -1);
189 dbus_message_unref (message);
192 spi_global_app_data->events_initialized = TRUE;
195 dbus_pending_call_set_notify (pending, get_events_reply, NULL, NULL);
197 message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
199 ATSPI_DBUS_INTERFACE_DEC,
200 "GetKeystrokeListeners");
204 dbus_connection_send_with_reply (app->bus, message, &pending, -1);
205 dbus_message_unref (message);
208 spi_global_app_data->events_initialized = TRUE;
211 dbus_pending_call_set_notify (pending, get_device_events_reply, NULL, NULL);
213 message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
215 ATSPI_DBUS_INTERFACE_DEC,
216 "GetDeviceEventListeners");
220 dbus_connection_send_with_reply (app->bus, message, &pending, -1);
221 dbus_message_unref (message);
224 spi_global_app_data->events_initialized = TRUE;
227 dbus_pending_call_set_notify (pending, get_device_events_reply, NULL, NULL);
231 register_reply (DBusPendingCall *pending, void *user_data)
234 SpiBridge *app = user_data;
236 reply = dbus_pending_call_steal_reply (pending);
237 dbus_pending_call_unref (pending);
240 gchar *app_name, *obj_path;
242 if (strcmp (dbus_message_get_signature (reply), "(so)") != 0)
244 g_warning ("AT-SPI: Could not obtain desktop path or name\n");
248 DBusMessageIter iter, iter_struct;
249 dbus_message_iter_init (reply, &iter);
250 dbus_message_iter_recurse (&iter, &iter_struct);
251 dbus_message_iter_get_basic (&iter_struct, &app_name);
252 dbus_message_iter_next (&iter_struct);
253 dbus_message_iter_get_basic (&iter_struct, &obj_path);
255 g_free (app->desktop_name);
256 app->desktop_name = g_strdup (app_name);
257 g_free (app->desktop_path);
258 app->desktop_path = g_strdup (obj_path);
263 g_warning ("AT-SPI: Could not embed inside desktop");
266 dbus_message_unref (reply);
268 if (!spi_global_app_data->events_initialized)
269 get_registered_event_listeners (spi_global_app_data);
273 register_application (SpiBridge * app)
275 DBusMessage *message;
276 DBusMessageIter iter;
278 DBusPendingCall *pending;
280 dbus_error_init (&error);
282 g_free (app->desktop_name);
283 g_free (app->desktop_path);
285 /* These will be overridden when we get a reply, but in practice these
286 defaults should always be correct */
287 app->desktop_name = g_strdup (ATSPI_DBUS_NAME_REGISTRY);
288 app->desktop_path = g_strdup (ATSPI_DBUS_PATH_ROOT);
290 message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
291 ATSPI_DBUS_PATH_ROOT,
292 ATSPI_DBUS_INTERFACE_SOCKET,
295 dbus_message_iter_init_append (message, &iter);
296 spi_object_append_reference (&iter, app->root);
298 if (!dbus_connection_send_with_reply (app->bus, message, &pending, -1)
302 dbus_pending_call_unref (pending);
304 dbus_message_unref (message);
308 dbus_pending_call_set_notify (pending, register_reply, app, NULL);
311 dbus_message_unref (message);
316 /*---------------------------------------------------------------------------*/
319 deregister_application (SpiBridge * app)
321 DBusMessage *message;
322 DBusMessageIter iter;
326 dbus_error_init (&error);
328 message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
329 ATSPI_DBUS_PATH_REGISTRY,
330 ATSPI_DBUS_INTERFACE_REGISTRY,
331 "DeregisterApplication");
332 dbus_message_set_no_reply (message, TRUE);
334 uname = dbus_bus_get_unique_name (app->bus);
336 dbus_message_iter_init_append (message, &iter);
337 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &uname);
338 dbus_connection_send (app->bus, message, NULL);
340 dbus_message_unref (message);
342 if (app->app_bus_addr)
344 unlink (app->app_bus_addr);
345 g_free (app->app_bus_addr);
346 app->app_bus_addr = NULL;
349 if (app->app_tmp_dir)
351 rmdir (app->app_tmp_dir);
352 g_free (app->app_tmp_dir);
353 app->app_tmp_dir = NULL;
356 g_free (app->desktop_name);
357 app->desktop_name = NULL;
358 g_free (app->desktop_path);
359 app->desktop_path = NULL;
362 /*---------------------------------------------------------------------------*/
364 /*---------------------------------------------------------------------------*/
366 static AtkPlugClass *plug_class;
367 static AtkSocketClass *socket_class;
370 get_plug_id (AtkPlug * plug)
372 const char *uname = dbus_bus_get_unique_name (spi_global_app_data->bus);
374 GString *str = g_string_new (NULL);
376 path = spi_register_object_to_path (spi_global_register, G_OBJECT (plug));
377 g_string_printf (str, "%s:%s", uname, path);
379 return g_string_free (str, FALSE);
383 socket_ref_state_set (AtkObject *accessible)
385 char *child_name, *child_path;
386 AtkSocket *socket = ATK_SOCKET (accessible);
390 DBusMessage *message, *reply;
391 DBusMessageIter iter, iter_array;
394 set = atk_state_set_new ();
396 if (!socket->embedded_plug_id)
399 child_name = g_strdup (socket->embedded_plug_id);
402 child_path = g_utf8_strchr (child_name + 1, -1, ':');
408 *(child_path++) = '\0';
409 message = dbus_message_new_method_call (child_name, child_path, ATSPI_DBUS_INTERFACE_ACCESSIBLE, "GetState");
411 reply = dbus_connection_send_with_reply_and_block (spi_global_app_data->bus, message, 1, NULL);
412 dbus_message_unref (message);
415 if (strcmp (dbus_message_get_signature (reply), "au") != 0)
417 dbus_message_unref (reply);
421 dbus_message_iter_init (reply, &iter);
422 dbus_message_iter_recurse (&iter, &iter_array);
425 dbus_message_iter_get_basic (&iter_array, &v);
426 for (j = 0; j < 32; j++)
430 AtkState state = spi_atk_state_from_spi_state ((count << 5) + j);
431 atk_state_set_add_state (set, state);
436 while (dbus_message_iter_next (&iter_array));
437 dbus_message_unref (reply);
442 socket_embed_hook (AtkSocket * socket, gchar * plug_id)
444 g_return_if_fail (spi_global_register != NULL);
446 AtkObject *accessible = ATK_OBJECT(socket);
447 gchar *plug_name, *plug_path;
448 AtkObjectClass *klass;
450 /* Force registration */
451 gchar *path = spi_register_object_to_path (spi_global_register, G_OBJECT (accessible));
452 /* Let the plug know that it has been embedded */
453 plug_name = g_strdup (plug_id);
459 plug_path = g_utf8_strchr (plug_name + 1, -1, ':');
462 DBusMessage *message;
463 *(plug_path++) = '\0';
464 message = dbus_message_new_method_call (plug_name, plug_path, ATSPI_DBUS_INTERFACE_SOCKET, "Embedded");
465 dbus_message_append_args (message, DBUS_TYPE_STRING, &path, DBUS_TYPE_INVALID);
466 dbus_connection_send (spi_global_app_data->bus, message, NULL);
471 klass = ATK_OBJECT_GET_CLASS (accessible);
472 klass->ref_state_set = socket_ref_state_set;
476 install_plug_hooks ()
480 data = g_type_class_ref (ATK_TYPE_PLUG);
481 plug_class = ATK_PLUG_CLASS (data);
482 data = g_type_class_ref (ATK_TYPE_SOCKET);
483 socket_class = ATK_SOCKET_CLASS (data);
484 plug_class->get_object_id = get_plug_id;
485 socket_class->embed = socket_embed_hook;
489 get_ancestral_uid (guint pid)
495 gboolean got_ppid = 0;
496 gboolean got_uid = 0;
498 sprintf (buf, "/proc/%d/status", pid);
499 fp = fopen (buf, "r");
502 while ((!got_ppid || !got_uid) && fgets (buf, sizeof (buf), fp))
504 if (sscanf (buf, "PPid:\t%d", &ppid) == 1)
506 else if (sscanf (buf, "Uid:\t%d", &uid) == 1)
511 if (!got_ppid || !got_uid)
515 if (ppid == 0 || ppid == 1)
517 return get_ancestral_uid (ppid);
521 user_check (DBusConnection *bus, unsigned long uid, void *data)
523 if (uid == getuid () || uid == geteuid ())
526 return get_ancestral_uid (getpid ()) == uid;
531 new_connection_cb (DBusServer *server, DBusConnection *con, void *data)
533 dbus_connection_set_unix_user_function (con, user_check, NULL, NULL);
534 dbus_connection_ref(con);
535 atspi_dbus_connection_setup_with_g_main(con, NULL);
536 droute_intercept_dbus (con);
537 droute_context_register (spi_global_app_data->droute, con);
539 spi_global_app_data->direct_connections = g_list_append (spi_global_app_data->direct_connections, con);
543 gchar *atspi_dbus_name = NULL;
544 static gboolean atspi_no_register = FALSE;
546 static GOptionEntry atspi_option_entries[] = {
547 {"atspi-dbus-name", 0, 0, G_OPTION_ARG_STRING, &atspi_dbus_name,
548 "D-Bus bus name to register as", NULL},
549 {"atspi-no-register", 0, 0, G_OPTION_ARG_NONE, &atspi_no_register,
550 "Do not register with Registry Daemon", NULL},
555 introspect_children_cb (const char *path, void *data)
557 if (!strcmp (path, "/org/a11y/atspi/accessible"))
559 return g_strdup ("<node name=\"root\"/>\n");
560 /* TODO: Should we place the whole hierarchy here? */
566 handle_event_listener_registered (DBusConnection *bus, DBusMessage *message,
572 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &sender,
573 DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID))
576 add_event (sender, name);
580 remove_events (const char *bus_name, const char *event)
585 remove_data = g_strsplit (event, ":", 3);
591 for (list = spi_global_app_data->events; list;)
593 event_data *evdata = list->data;
594 if (!g_strcmp0 (evdata->bus_name, bus_name) &&
595 spi_event_is_subtype (evdata->data, remove_data))
597 GList *events = spi_global_app_data->events;
598 g_strfreev (evdata->data);
599 g_free (evdata->bus_name);
603 GList *next = list->next;
604 list->prev = g_list_remove (list->prev, evdata);
609 spi_global_app_data->events = g_list_remove (events, evdata);
610 list = spi_global_app_data->events;
619 g_strfreev (remove_data);
623 handle_event_listener_deregistered (DBusConnection *bus, DBusMessage *message,
629 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &sender,
630 DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID))
633 remove_events (sender, name);
637 handle_device_listener_registered (DBusConnection *bus, DBusMessage *message,
641 DBusMessageIter iter, iter_struct;
643 if (strncmp (dbus_message_get_signature (message), "(s", 2) != 0)
645 g_warning ("atk-bridge: handle_device_listener_register: unknown signature");
649 dbus_message_iter_init (message, &iter);
650 dbus_message_iter_recurse (&iter, &iter_struct);
651 dbus_message_iter_get_basic (&iter_struct, &sender);
652 spi_atk_add_client (sender);
655 static DBusHandlerResult
656 signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
658 const char *interface = dbus_message_get_interface (message);
659 const char *member = dbus_message_get_member (message);
660 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
661 static gboolean registry_lost = FALSE;
663 if (dbus_message_get_type (message) != DBUS_MESSAGE_TYPE_SIGNAL)
664 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
666 if (!strcmp (interface, ATSPI_DBUS_INTERFACE_REGISTRY))
668 result = DBUS_HANDLER_RESULT_HANDLED;
669 if (!strcmp (member, "EventListenerRegistered"))
670 handle_event_listener_registered (bus, message, user_data);
671 else if (!strcmp (member, "EventListenerDeregistered"))
672 handle_event_listener_deregistered (bus, message, user_data);
674 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
676 else if (!strcmp (interface, ATSPI_DBUS_INTERFACE_DEVICE_EVENT_LISTENER))
678 result = DBUS_HANDLER_RESULT_HANDLED;
679 if (!strcmp (member, "KeystrokeListenerRegistered"))
680 handle_device_listener_registered (bus, message, user_data);
681 else if (!strcmp (member, "DeviceListenerRegistered"))
682 handle_device_listener_registered (bus, message, user_data);
684 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
687 if (!g_strcmp0(interface, DBUS_INTERFACE_DBUS) &&
688 !g_strcmp0(member, "NameOwnerChanged"))
690 char *name, *old, *new;
691 if (dbus_message_get_args (message, NULL,
692 DBUS_TYPE_STRING, &name,
693 DBUS_TYPE_STRING, &old,
694 DBUS_TYPE_STRING, &new,
697 if (!strcmp (name, "org.a11y.atspi.Registry"))
699 if (registry_lost && !old[0])
701 register_application (spi_global_app_data);
702 registry_lost = FALSE;
705 registry_lost = TRUE;
707 else if (*old != '\0' && *new == '\0')
708 spi_atk_remove_client (old);
716 spi_atk_create_socket (SpiBridge *app)
724 app->app_tmp_dir = g_build_filename (g_get_user_runtime_dir (),
725 "at-spi2-XXXXXX", NULL);
726 if (!g_mkdtemp (app->app_tmp_dir))
728 g_free (app->app_tmp_dir);
729 app->app_tmp_dir = NULL;
734 if (app->app_tmp_dir)
735 app->app_bus_addr = g_strdup_printf ("unix:path=%s/socket", app->app_tmp_dir);
737 app->app_bus_addr = g_strdup_printf ("unix:path=%s/at-spi2-socket-%d",
738 g_get_user_runtime_dir (), getpid ());
740 if (!spi_global_app_data->app_bus_addr)
743 dbus_error_init(&err);
744 server = dbus_server_listen(spi_global_app_data->app_bus_addr, &err);
747 g_warning ("atk-bridge: Couldn't listen on dbus server: %s", err.message);
748 dbus_error_init (&err);
749 spi_global_app_data->app_bus_addr [0] = '\0';
750 g_main_context_unref (spi_global_app_data->main_context);
751 spi_global_app_data->main_context = NULL;
755 atspi_dbus_server_setup_with_g_main(server, NULL);
756 dbus_server_set_new_connection_function(server, new_connection_cb, NULL, NULL);
758 spi_global_app_data->server = server;
765 * Checks the status of the environment variables
767 * At this moment it only checks NO_AT_BRIDGE
769 * Returns TRUE if there isn't anything on the environment preventing
770 * you to load the bridge, FALSE otherwise
777 envvar = g_getenv ("NO_AT_BRIDGE");
779 if (envvar && atoi (envvar) == 1)
788 DRoutePath *treepath;
790 spi_atk_register_event_listeners ();
791 if (!spi_global_cache)
793 spi_global_cache = g_object_new (SPI_CACHE_TYPE, NULL);
794 treepath = droute_add_one (spi_global_app_data->droute,
795 "/org/a11y/atspi/cache", spi_global_cache);
799 g_warning ("atk-bridge: Error in droute_add_one(). Already running?");
802 spi_initialize_cache (treepath);
803 if (spi_global_app_data->bus)
804 droute_path_register (treepath, spi_global_app_data->bus);
811 * The following needs to be initialized.
813 * - DRoute for routing message to their accessible objects.
814 * - Event handlers for emmitting signals on specific ATK events.
815 * - setup the bus for p2p communication
816 * - Application registration with the AT-SPI registry.
820 atk_bridge_adaptor_init (gint * argc, gchar ** argv[])
826 gboolean load_bridge;
829 load_bridge = check_envvar ();
830 if (inited && !load_bridge)
831 g_warning ("ATK Bridge is disabled but a11y has already been enabled.");
833 if (inited || !load_bridge)
838 root = atk_get_root ();
839 g_warn_if_fail (root);
846 /* Parse command line options */
847 opt = g_option_context_new (NULL);
848 g_option_context_add_main_entries (opt, atspi_option_entries, NULL);
849 g_option_context_set_ignore_unknown_options (opt, TRUE);
850 if (!g_option_context_parse (opt, argc, argv, &err))
852 g_warning ("AT-SPI Option parsing failed: %s\n", err->message);
855 g_option_context_free (opt);
857 /* Allocate global data and do ATK initializations */
858 spi_global_app_data = g_new0 (SpiBridge, 1);
859 spi_global_app_data->root = g_object_ref (root);
861 /* Set up D-Bus connection and register bus name */
862 dbus_error_init (&error);
863 spi_global_app_data->bus = atspi_get_a11y_bus ();
864 if (!spi_global_app_data->bus)
866 g_free (spi_global_app_data);
867 spi_global_app_data = NULL;
872 if (atspi_dbus_name != NULL)
874 if (dbus_bus_request_name
875 (spi_global_app_data->bus, atspi_dbus_name, 0, &error))
877 g_print ("AT-SPI Recieved D-Bus name - %s\n", atspi_dbus_name);
882 ("AT-SPI D-Bus name requested but could not be allocated - %s\n",
887 spi_global_app_data->main_context = g_main_context_new ();
889 atspi_dbus_connection_setup_with_g_main (spi_global_app_data->bus, NULL);
891 /* Hook our plug-and socket functions */
892 install_plug_hooks ();
895 * Create the leasing, register and cache objects.
896 * The order is important here, the cache depends on the
899 spi_global_register = g_object_new (SPI_REGISTER_TYPE, NULL);
900 spi_global_leasing = g_object_new (SPI_LEASING_TYPE, NULL);
902 /* Register droute for routing AT-SPI messages */
903 spi_global_app_data->droute =
906 accpath = droute_add_many (spi_global_app_data->droute,
907 "/org/a11y/atspi/accessible",
909 introspect_children_cb,
911 (DRouteGetDatumFunction)
912 spi_global_register_path_to_object);
915 /* Register all interfaces with droute and set up application accessible db */
916 spi_initialize_accessible (accpath);
917 spi_initialize_application (accpath);
918 spi_initialize_action (accpath);
919 spi_initialize_collection (accpath);
920 spi_initialize_component (accpath);
921 spi_initialize_document (accpath);
922 spi_initialize_editabletext (accpath);
923 spi_initialize_hyperlink (accpath);
924 spi_initialize_hypertext (accpath);
925 spi_initialize_image (accpath);
926 spi_initialize_selection (accpath);
927 spi_initialize_socket (accpath);
928 spi_initialize_table (accpath);
929 spi_initialize_text (accpath);
930 spi_initialize_value (accpath);
932 droute_context_register (spi_global_app_data->droute,
933 spi_global_app_data->bus);
935 /* Register methods to send D-Bus signals on certain ATK events */
939 /* Set up filter and match rules to catch signals */
940 dbus_bus_add_match (spi_global_app_data->bus, "type='signal', interface='org.a11y.atspi.Registry', sender='org.a11y.atspi.Registry'", NULL);
941 dbus_bus_add_match (spi_global_app_data->bus, "type='signal', interface='org.a11y.atspi.DeviceEventListener', sender='org.a11y.atspi.Registry'", NULL);
942 dbus_bus_add_match (spi_global_app_data->bus, "type='signal', arg0='org.a11y.atspi.Registry', interface='org.freedesktop.DBus', member='NameOwnerChanged'", NULL);
943 dbus_connection_add_filter (spi_global_app_data->bus, signal_filter, NULL,
946 /* Register this app by sending a signal out to AT-SPI registry daemon */
947 if (!atspi_no_register && (!root || !ATK_IS_PLUG (root)))
948 register_application (spi_global_app_data);
950 get_registered_event_listeners (spi_global_app_data);
956 atk_bridge_adaptor_cleanup (void)
964 if (!spi_global_app_data)
967 spi_atk_tidy_windows ();
968 spi_atk_deregister_event_listeners ();
970 deregister_application (spi_global_app_data);
972 if (spi_global_app_data->bus)
974 dbus_connection_remove_filter (spi_global_app_data->bus, signal_filter, NULL);
975 droute_context_unregister (spi_global_app_data->droute, spi_global_app_data->bus);
976 dbus_connection_close (spi_global_app_data->bus);
977 dbus_connection_unref (spi_global_app_data->bus);
978 spi_global_app_data->bus = NULL;
981 for (l = spi_global_app_data->direct_connections; l; l = l->next)
983 DBusConnection *connection;
985 connection = l->data;
987 droute_context_unregister (spi_global_app_data->droute, connection);
988 droute_unintercept_dbus (connection);
989 dbus_connection_close (connection);
990 dbus_connection_unref (connection);
992 g_list_free (spi_global_app_data->direct_connections);
993 spi_global_app_data->direct_connections = NULL;
995 for (ls = clients; ls; ls = ls->next)
997 g_slist_free (clients);
1000 g_clear_object (&spi_global_cache);
1001 g_clear_object (&spi_global_leasing);
1002 g_clear_object (&spi_global_register);
1004 if (spi_global_app_data->main_context)
1005 g_main_context_unref (spi_global_app_data->main_context);
1007 droute_free (spi_global_app_data->droute);
1009 g_free (spi_global_app_data);
1010 spi_global_app_data = NULL;
1015 /*---------------------------------------------------------------------------*/
1017 static gchar *name_match_tmpl =
1018 "type='signal', interface='org.freedesktop.DBus', member='NameOwnerChanged', arg0='%s'";
1021 spi_atk_add_client (const char *bus_name)
1026 for (l = clients; l; l = l->next)
1028 if (!g_strcmp0 (l->data, bus_name))
1032 spi_atk_activate ();
1033 clients = g_slist_append (clients, g_strdup (bus_name));
1034 match = g_strdup_printf (name_match_tmpl, bus_name);
1035 dbus_bus_add_match (spi_global_app_data->bus, match, NULL);
1040 spi_atk_remove_client (const char *bus_name)
1048 next_node = l->next;
1050 if (!g_strcmp0 (l->data, bus_name))
1052 gchar *match = g_strdup_printf (name_match_tmpl, l->data);
1053 dbus_bus_remove_match (spi_global_app_data->bus, match, NULL);
1056 clients = g_slist_delete_link (clients, l);
1058 spi_atk_deregister_event_listeners ();
1066 /*END------------------------------------------------------------------------*/