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;
109 if (!reply || !spi_global_app_data)
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);
239 if (!spi_global_app_data)
242 dbus_message_unref (reply);
248 gchar *app_name, *obj_path;
250 if (strcmp (dbus_message_get_signature (reply), "(so)") != 0)
252 g_warning ("AT-SPI: Could not obtain desktop path or name\n");
256 DBusMessageIter iter, iter_struct;
257 dbus_message_iter_init (reply, &iter);
258 dbus_message_iter_recurse (&iter, &iter_struct);
259 dbus_message_iter_get_basic (&iter_struct, &app_name);
260 dbus_message_iter_next (&iter_struct);
261 dbus_message_iter_get_basic (&iter_struct, &obj_path);
263 g_free (app->desktop_name);
264 app->desktop_name = g_strdup (app_name);
265 g_free (app->desktop_path);
266 app->desktop_path = g_strdup (obj_path);
271 g_warning ("AT-SPI: Could not embed inside desktop");
274 dbus_message_unref (reply);
276 if (!spi_global_app_data->events_initialized)
277 get_registered_event_listeners (spi_global_app_data);
281 register_application (SpiBridge * app)
283 DBusMessage *message;
284 DBusMessageIter iter;
285 DBusPendingCall *pending;
287 g_free (app->desktop_name);
288 g_free (app->desktop_path);
290 /* These will be overridden when we get a reply, but in practice these
291 defaults should always be correct */
292 app->desktop_name = g_strdup (ATSPI_DBUS_NAME_REGISTRY);
293 app->desktop_path = g_strdup (ATSPI_DBUS_PATH_ROOT);
295 message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
296 ATSPI_DBUS_PATH_ROOT,
297 ATSPI_DBUS_INTERFACE_SOCKET,
300 dbus_message_iter_init_append (message, &iter);
301 spi_object_append_reference (&iter, app->root);
303 if (!dbus_connection_send_with_reply (app->bus, message, &pending, -1)
307 dbus_pending_call_unref (pending);
309 dbus_message_unref (message);
313 dbus_pending_call_set_notify (pending, register_reply, app, NULL);
316 dbus_message_unref (message);
321 /*---------------------------------------------------------------------------*/
324 deregister_application (SpiBridge * app)
326 DBusMessage *message;
327 DBusMessageIter iter;
330 message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
331 ATSPI_DBUS_PATH_REGISTRY,
332 ATSPI_DBUS_INTERFACE_REGISTRY,
333 "DeregisterApplication");
334 dbus_message_set_no_reply (message, TRUE);
336 uname = dbus_bus_get_unique_name (app->bus);
338 dbus_message_iter_init_append (message, &iter);
339 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &uname);
340 dbus_connection_send (app->bus, message, NULL);
342 dbus_message_unref (message);
344 if (app->app_bus_addr)
346 unlink (app->app_bus_addr);
347 g_free (app->app_bus_addr);
348 app->app_bus_addr = NULL;
351 if (app->app_tmp_dir)
353 rmdir (app->app_tmp_dir);
354 g_free (app->app_tmp_dir);
355 app->app_tmp_dir = NULL;
358 g_free (app->desktop_name);
359 app->desktop_name = NULL;
360 g_free (app->desktop_path);
361 app->desktop_path = NULL;
364 /*---------------------------------------------------------------------------*/
366 /*---------------------------------------------------------------------------*/
368 static AtkPlugClass *plug_class;
369 static AtkSocketClass *socket_class;
372 get_plug_id (AtkPlug * plug)
374 const char *uname = dbus_bus_get_unique_name (spi_global_app_data->bus);
376 GString *str = g_string_new (NULL);
378 path = spi_register_object_to_path (spi_global_register, G_OBJECT (plug));
379 g_string_printf (str, "%s:%s", uname, path);
381 return g_string_free (str, FALSE);
385 socket_ref_state_set (AtkObject *accessible)
387 char *child_name, *child_path;
388 AtkSocket *socket = ATK_SOCKET (accessible);
392 DBusMessage *message, *reply;
393 DBusMessageIter iter, iter_array;
396 set = atk_state_set_new ();
398 if (!socket->embedded_plug_id)
401 child_name = g_strdup (socket->embedded_plug_id);
404 child_path = g_utf8_strchr (child_name + 1, -1, ':');
410 *(child_path++) = '\0';
411 message = dbus_message_new_method_call (child_name, child_path, ATSPI_DBUS_INTERFACE_ACCESSIBLE, "GetState");
413 reply = dbus_connection_send_with_reply_and_block (spi_global_app_data->bus, message, 1, NULL);
414 dbus_message_unref (message);
417 if (strcmp (dbus_message_get_signature (reply), "au") != 0)
419 dbus_message_unref (reply);
423 dbus_message_iter_init (reply, &iter);
424 dbus_message_iter_recurse (&iter, &iter_array);
427 dbus_message_iter_get_basic (&iter_array, &v);
428 for (j = 0; j < 32; j++)
432 AtkState state = spi_atk_state_from_spi_state ((count << 5) + j);
433 atk_state_set_add_state (set, state);
438 while (dbus_message_iter_next (&iter_array));
439 dbus_message_unref (reply);
444 socket_embed_hook (AtkSocket * socket, gchar * plug_id)
446 g_return_if_fail (spi_global_register != NULL);
448 AtkObject *accessible = ATK_OBJECT(socket);
449 gchar *plug_name, *plug_path;
450 AtkObjectClass *klass;
452 /* Force registration */
453 gchar *path = spi_register_object_to_path (spi_global_register, G_OBJECT (accessible));
454 /* Let the plug know that it has been embedded */
455 plug_name = g_strdup (plug_id);
461 plug_path = g_utf8_strchr (plug_name + 1, -1, ':');
464 DBusMessage *message;
465 *(plug_path++) = '\0';
466 message = dbus_message_new_method_call (plug_name, plug_path, ATSPI_DBUS_INTERFACE_SOCKET, "Embedded");
467 dbus_message_append_args (message, DBUS_TYPE_STRING, &path, DBUS_TYPE_INVALID);
468 dbus_connection_send (spi_global_app_data->bus, message, NULL);
473 klass = ATK_OBJECT_GET_CLASS (accessible);
474 klass->ref_state_set = socket_ref_state_set;
478 install_plug_hooks ()
482 data = g_type_class_ref (ATK_TYPE_PLUG);
483 plug_class = ATK_PLUG_CLASS (data);
484 data = g_type_class_ref (ATK_TYPE_SOCKET);
485 socket_class = ATK_SOCKET_CLASS (data);
486 plug_class->get_object_id = get_plug_id;
487 socket_class->embed = socket_embed_hook;
491 get_ancestral_uid (guint pid)
497 gboolean got_ppid = 0;
498 gboolean got_uid = 0;
500 sprintf (buf, "/proc/%d/status", pid);
501 fp = fopen (buf, "r");
504 while ((!got_ppid || !got_uid) && fgets (buf, sizeof (buf), fp))
506 if (sscanf (buf, "PPid:\t%d", &ppid) == 1)
508 else if (sscanf (buf, "Uid:\t%d", &uid) == 1)
513 if (!got_ppid || !got_uid)
517 if (ppid == 0 || ppid == 1)
519 return get_ancestral_uid (ppid);
523 user_check (DBusConnection *bus, unsigned long uid, void *data)
525 if (uid == getuid () || uid == geteuid ())
528 return get_ancestral_uid (getpid ()) == uid;
533 new_connection_cb (DBusServer *server, DBusConnection *con, void *data)
535 dbus_connection_set_unix_user_function (con, user_check, NULL, NULL);
536 dbus_connection_ref(con);
537 atspi_dbus_connection_setup_with_g_main(con, NULL);
538 droute_intercept_dbus (con);
539 droute_context_register (spi_global_app_data->droute, con);
541 spi_global_app_data->direct_connections = g_list_append (spi_global_app_data->direct_connections, con);
545 gchar *atspi_dbus_name = NULL;
546 static gboolean atspi_no_register = FALSE;
548 static GOptionEntry atspi_option_entries[] = {
549 {"atspi-dbus-name", 0, 0, G_OPTION_ARG_STRING, &atspi_dbus_name,
550 "D-Bus bus name to register as", NULL},
551 {"atspi-no-register", 0, 0, G_OPTION_ARG_NONE, &atspi_no_register,
552 "Do not register with Registry Daemon", NULL},
557 introspect_children_cb (const char *path, void *data)
559 if (!strcmp (path, "/org/a11y/atspi/accessible"))
561 return g_strdup ("<node name=\"root\"/>\n");
562 /* TODO: Should we place the whole hierarchy here? */
568 handle_event_listener_registered (DBusConnection *bus, DBusMessage *message,
574 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &sender,
575 DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID))
578 add_event (sender, name);
582 remove_events (const char *bus_name, const char *event)
587 remove_data = g_strsplit (event, ":", 3);
593 for (list = spi_global_app_data->events; list;)
595 event_data *evdata = list->data;
596 if (!g_strcmp0 (evdata->bus_name, bus_name) &&
597 spi_event_is_subtype (evdata->data, remove_data))
599 GList *events = spi_global_app_data->events;
600 g_strfreev (evdata->data);
601 g_free (evdata->bus_name);
605 GList *next = list->next;
606 list->prev = g_list_remove (list->prev, evdata);
611 spi_global_app_data->events = g_list_remove (events, evdata);
612 list = spi_global_app_data->events;
621 g_strfreev (remove_data);
625 handle_event_listener_deregistered (DBusConnection *bus, DBusMessage *message,
631 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &sender,
632 DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID))
635 remove_events (sender, name);
639 handle_device_listener_registered (DBusConnection *bus, DBusMessage *message,
643 DBusMessageIter iter, iter_struct;
645 if (strncmp (dbus_message_get_signature (message), "(s", 2) != 0)
647 g_warning ("atk-bridge: handle_device_listener_register: unknown signature");
651 dbus_message_iter_init (message, &iter);
652 dbus_message_iter_recurse (&iter, &iter_struct);
653 dbus_message_iter_get_basic (&iter_struct, &sender);
654 spi_atk_add_client (sender);
657 static DBusHandlerResult
658 signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
660 const char *interface = dbus_message_get_interface (message);
661 const char *member = dbus_message_get_member (message);
662 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
663 static gboolean registry_lost = FALSE;
665 if (dbus_message_get_type (message) != DBUS_MESSAGE_TYPE_SIGNAL)
666 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
668 if (!strcmp (interface, ATSPI_DBUS_INTERFACE_REGISTRY))
670 result = DBUS_HANDLER_RESULT_HANDLED;
671 if (!strcmp (member, "EventListenerRegistered"))
672 handle_event_listener_registered (bus, message, user_data);
673 else if (!strcmp (member, "EventListenerDeregistered"))
674 handle_event_listener_deregistered (bus, message, user_data);
676 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
678 else if (!strcmp (interface, ATSPI_DBUS_INTERFACE_DEVICE_EVENT_LISTENER))
680 result = DBUS_HANDLER_RESULT_HANDLED;
681 if (!strcmp (member, "KeystrokeListenerRegistered"))
682 handle_device_listener_registered (bus, message, user_data);
683 else if (!strcmp (member, "DeviceListenerRegistered"))
684 handle_device_listener_registered (bus, message, user_data);
686 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
689 if (!g_strcmp0(interface, DBUS_INTERFACE_DBUS) &&
690 !g_strcmp0(member, "NameOwnerChanged"))
692 char *name, *old, *new;
693 if (dbus_message_get_args (message, NULL,
694 DBUS_TYPE_STRING, &name,
695 DBUS_TYPE_STRING, &old,
696 DBUS_TYPE_STRING, &new,
699 if (!strcmp (name, "org.a11y.atspi.Registry"))
701 if (registry_lost && !old[0])
703 register_application (spi_global_app_data);
704 registry_lost = FALSE;
707 registry_lost = TRUE;
709 else if (*old != '\0' && *new == '\0')
710 spi_atk_remove_client (old);
718 spi_atk_create_socket (SpiBridge *app)
726 app->app_tmp_dir = g_build_filename (g_get_user_runtime_dir (),
727 "at-spi2-XXXXXX", NULL);
728 if (!g_mkdtemp (app->app_tmp_dir))
730 g_free (app->app_tmp_dir);
731 app->app_tmp_dir = NULL;
736 if (app->app_tmp_dir)
737 app->app_bus_addr = g_strdup_printf ("unix:path=%s/socket", app->app_tmp_dir);
739 app->app_bus_addr = g_strdup_printf ("unix:path=%s/at-spi2-socket-%d",
740 g_get_user_runtime_dir (), getpid ());
742 if (!spi_global_app_data->app_bus_addr)
745 dbus_error_init(&error);
746 server = dbus_server_listen(spi_global_app_data->app_bus_addr, &error);
749 g_warning ("atk-bridge: Couldn't listen on dbus server: %s", error.message);
750 dbus_error_free (&error);
751 spi_global_app_data->app_bus_addr [0] = '\0';
752 g_main_context_unref (spi_global_app_data->main_context);
753 spi_global_app_data->main_context = NULL;
757 atspi_dbus_server_setup_with_g_main(server, NULL);
758 dbus_server_set_new_connection_function(server, new_connection_cb, NULL, NULL);
760 spi_global_app_data->server = server;
767 * Checks the status of the environment variables
769 * At this moment it only checks NO_AT_BRIDGE
771 * Returns TRUE if there isn't anything on the environment preventing
772 * you to load the bridge, FALSE otherwise
779 envvar = g_getenv ("NO_AT_BRIDGE");
781 if (envvar && atoi (envvar) == 1)
790 DRoutePath *treepath;
792 spi_atk_register_event_listeners ();
793 if (!spi_global_cache)
795 spi_global_cache = g_object_new (SPI_CACHE_TYPE, NULL);
796 treepath = droute_add_one (spi_global_app_data->droute,
797 "/org/a11y/atspi/cache", spi_global_cache);
801 g_warning ("atk-bridge: Error in droute_add_one(). Already running?");
804 spi_initialize_cache (treepath);
805 if (spi_global_app_data->bus)
806 droute_path_register (treepath, spi_global_app_data->bus);
813 * The following needs to be initialized.
815 * - DRoute for routing message to their accessible objects.
816 * - Event handlers for emmitting signals on specific ATK events.
817 * - setup the bus for p2p communication
818 * - Application registration with the AT-SPI registry.
822 atk_bridge_adaptor_init (gint * argc, gchar ** argv[])
828 gboolean load_bridge;
831 load_bridge = check_envvar ();
832 if (inited && !load_bridge)
833 g_warning ("ATK Bridge is disabled but a11y has already been enabled.");
835 if (inited || !load_bridge)
840 root = atk_get_root ();
841 g_warn_if_fail (root);
848 /* Parse command line options */
849 opt = g_option_context_new (NULL);
850 g_option_context_add_main_entries (opt, atspi_option_entries, NULL);
851 g_option_context_set_ignore_unknown_options (opt, TRUE);
852 if (!g_option_context_parse (opt, argc, argv, &err))
854 g_warning ("AT-SPI Option parsing failed: %s\n", err->message);
857 g_option_context_free (opt);
859 /* Allocate global data and do ATK initializations */
860 spi_global_app_data = g_new0 (SpiBridge, 1);
861 spi_global_app_data->root = g_object_ref (root);
863 /* Set up D-Bus connection and register bus name */
864 dbus_error_init (&error);
865 spi_global_app_data->bus = atspi_get_a11y_bus ();
866 if (!spi_global_app_data->bus)
868 g_free (spi_global_app_data);
869 spi_global_app_data = NULL;
874 if (atspi_dbus_name != NULL)
876 if (dbus_bus_request_name
877 (spi_global_app_data->bus, atspi_dbus_name, 0, &error))
879 g_print ("AT-SPI Recieved D-Bus name - %s\n", atspi_dbus_name);
884 ("AT-SPI D-Bus name requested but could not be allocated - %s\n",
889 spi_global_app_data->main_context = g_main_context_new ();
891 atspi_dbus_connection_setup_with_g_main (spi_global_app_data->bus, NULL);
893 /* Hook our plug-and socket functions */
894 install_plug_hooks ();
897 * Create the leasing, register and cache objects.
898 * The order is important here, the cache depends on the
901 spi_global_register = g_object_new (SPI_REGISTER_TYPE, NULL);
902 spi_global_leasing = g_object_new (SPI_LEASING_TYPE, NULL);
904 /* Register droute for routing AT-SPI messages */
905 spi_global_app_data->droute =
908 accpath = droute_add_many (spi_global_app_data->droute,
909 "/org/a11y/atspi/accessible",
911 introspect_children_cb,
913 (DRouteGetDatumFunction)
914 spi_global_register_path_to_object);
917 /* Register all interfaces with droute and set up application accessible db */
918 spi_initialize_accessible (accpath);
919 spi_initialize_application (accpath);
920 spi_initialize_action (accpath);
921 spi_initialize_collection (accpath);
922 spi_initialize_component (accpath);
923 spi_initialize_document (accpath);
924 spi_initialize_editabletext (accpath);
925 spi_initialize_hyperlink (accpath);
926 spi_initialize_hypertext (accpath);
927 spi_initialize_image (accpath);
928 spi_initialize_selection (accpath);
929 spi_initialize_socket (accpath);
930 spi_initialize_table (accpath);
931 spi_initialize_text (accpath);
932 spi_initialize_value (accpath);
934 droute_context_register (spi_global_app_data->droute,
935 spi_global_app_data->bus);
937 /* Register methods to send D-Bus signals on certain ATK events */
941 /* Set up filter and match rules to catch signals */
942 dbus_bus_add_match (spi_global_app_data->bus, "type='signal', interface='org.a11y.atspi.Registry', sender='org.a11y.atspi.Registry'", NULL);
943 dbus_bus_add_match (spi_global_app_data->bus, "type='signal', interface='org.a11y.atspi.DeviceEventListener', sender='org.a11y.atspi.Registry'", NULL);
944 dbus_bus_add_match (spi_global_app_data->bus, "type='signal', arg0='org.a11y.atspi.Registry', interface='org.freedesktop.DBus', member='NameOwnerChanged'", NULL);
945 dbus_connection_add_filter (spi_global_app_data->bus, signal_filter, NULL,
948 /* Register this app by sending a signal out to AT-SPI registry daemon */
949 if (!atspi_no_register && (!root || !ATK_IS_PLUG (root)))
950 register_application (spi_global_app_data);
952 get_registered_event_listeners (spi_global_app_data);
954 dbus_error_free (&error);
959 atk_bridge_adaptor_cleanup (void)
967 if (!spi_global_app_data)
970 spi_atk_tidy_windows ();
971 spi_atk_deregister_event_listeners ();
973 deregister_application (spi_global_app_data);
975 if (spi_global_app_data->bus)
977 dbus_connection_remove_filter (spi_global_app_data->bus, signal_filter, NULL);
978 droute_context_unregister (spi_global_app_data->droute, spi_global_app_data->bus);
979 dbus_connection_close (spi_global_app_data->bus);
980 dbus_connection_unref (spi_global_app_data->bus);
981 spi_global_app_data->bus = NULL;
984 for (l = spi_global_app_data->direct_connections; l; l = l->next)
986 DBusConnection *connection;
988 connection = l->data;
990 droute_context_unregister (spi_global_app_data->droute, connection);
991 droute_unintercept_dbus (connection);
992 dbus_connection_close (connection);
993 dbus_connection_unref (connection);
995 g_list_free (spi_global_app_data->direct_connections);
996 spi_global_app_data->direct_connections = NULL;
998 for (ls = clients; ls; ls = ls->next)
1000 g_slist_free (clients);
1003 g_clear_object (&spi_global_cache);
1004 g_clear_object (&spi_global_leasing);
1005 g_clear_object (&spi_global_register);
1007 if (spi_global_app_data->main_context)
1008 g_main_context_unref (spi_global_app_data->main_context);
1010 droute_free (spi_global_app_data->droute);
1012 g_free (spi_global_app_data);
1013 spi_global_app_data = NULL;
1018 /*---------------------------------------------------------------------------*/
1020 static gchar *name_match_tmpl =
1021 "type='signal', interface='org.freedesktop.DBus', member='NameOwnerChanged', arg0='%s'";
1024 spi_atk_add_client (const char *bus_name)
1029 for (l = clients; l; l = l->next)
1031 if (!g_strcmp0 (l->data, bus_name))
1035 spi_atk_activate ();
1036 clients = g_slist_append (clients, g_strdup (bus_name));
1037 match = g_strdup_printf (name_match_tmpl, bus_name);
1038 dbus_bus_add_match (spi_global_app_data->bus, match, NULL);
1043 spi_atk_remove_client (const char *bus_name)
1051 next_node = l->next;
1053 if (!g_strcmp0 (l->data, bus_name))
1055 gchar *match = g_strdup_printf (name_match_tmpl, l->data);
1056 dbus_bus_remove_match (spi_global_app_data->bus, match, NULL);
1059 clients = g_slist_delete_link (clients, l);
1061 spi_atk_deregister_event_listeners ();
1069 /*END------------------------------------------------------------------------*/