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.
24 /* registry.c: the main accessibility service registry implementation */
26 #undef SPI_LISTENER_DEBUG
28 #undef SPI_QUEUE_DEBUG
35 #include <bonobo/bonobo-exception.h>
36 #include "../libspi/spi-private.h"
39 /* Our parent GObject type */
40 #define PARENT_TYPE SPI_LISTENER_TYPE
42 /* A pointer to our parent object class */
43 static SpiListenerClass *spi_registry_parent_class;
45 static GQuark _deactivate_quark = 0;
46 static GQuark _activate_quark = 0;
47 static GQuark _state_quark = 0;
48 static GQuark _state_changed_focused_quark = 0;
64 const char *event_name;
65 EventTypeCategory type_cat;
66 GQuark major; /* from string segment[1] */
67 GQuark minor; /* from string segment[1]+segment[2] */
68 GQuark detail; /* from string segment[3] (not concatenated) */
72 Accessibility_EventListener listener;
73 GQuark event_type_quark;
74 EventTypeCategory event_type_cat;
78 spi_registry_set_debug (const char *debug_flag_string)
80 if (debug_flag_string)
81 _dbg = (int) g_ascii_strtod (debug_flag_string, NULL);
84 static SpiListenerStruct *
85 spi_listener_struct_new (Accessibility_EventListener listener, CORBA_Environment *ev)
87 SpiListenerStruct *retval = g_malloc (sizeof (SpiListenerStruct));
88 retval->listener = bonobo_object_dup_ref (listener, ev);
94 spi_listener_struct_free (SpiListenerStruct *ls, CORBA_Environment *ev)
96 bonobo_object_release_unref (ls->listener, ev);
101 desktop_add_application (SpiDesktop *desktop,
102 guint index, gpointer data)
104 BonoboObject *registry = BONOBO_OBJECT (data);
105 Accessibility_Event e;
106 CORBA_Environment ev;
107 Accessibility_Accessible a;
109 CORBA_exception_init (&ev);
110 e.type = "object:children-changed:add";
111 e.source = BONOBO_OBJREF (desktop);
114 a = Accessibility_Accessible_getChildAtIndex (BONOBO_OBJREF (desktop),
117 spi_init_any_object (&e.any_data, a);
119 spi_init_any_nil (&e.any_data,
121 Accessibility_ROLE_DESKTOP_FRAME,
124 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (registry),
126 bonobo_object_release_unref (a, &ev);
127 CORBA_exception_free (&ev);
133 desktop_remove_application (SpiDesktop *desktop,
134 guint index, gpointer data)
136 BonoboObject *registry = BONOBO_OBJECT (data);
137 Accessibility_Event e;
138 /* Accessibility_Accessible a; FIXME */
139 CORBA_Environment ev;
141 CORBA_exception_init (&ev);
143 e.type = "object:children-changed:remove";
144 e.source = BONOBO_OBJREF (desktop);
148 a = Accessibility_Accessible_getChildAtIndex (BONOBO_OBJREF (desktop),
150 spi_init_any_object (&e.any_data, a);
152 spi_init_any_nil (&e.any_data,
154 Accessibility_ROLE_DESKTOP_FRAME,
156 /* Accessibility_Accessible_unref (a, &ev); */
157 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (registry),
159 Accessibility_Desktop_unref (e.source, &ev);
160 CORBA_exception_free (&ev);
165 spi_registry_object_finalize (GObject *object)
167 DBG (1, g_warning ("spi_registry_object_finalize called\n"));
168 g_object_unref (SPI_REGISTRY (object)->de_controller);
170 G_OBJECT_CLASS (spi_registry_parent_class)->finalize (object);
174 _get_unique_id (void)
182 * registerApplication:
183 * @application: a reference to the requesting @Application
184 * return values: void
186 * Register a new application with the accessibility broker.
190 impl_accessibility_registry_register_application (PortableServer_Servant servant,
191 const Accessibility_Application application,
192 CORBA_Environment * ev)
194 SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
197 fprintf (stderr, "registering app %p\n", application);
199 spi_desktop_add_application (registry->desktop, application);
201 Accessibility_Application__set_id (application, _get_unique_id (), ev);
204 * TODO: change the implementation below to a WM-aware one;
205 * e.g. don't add all apps to the SpiDesktop
209 #ifdef USE_A_HASH_IN_FUTURE
211 compare_corba_objects (gconstpointer p1, gconstpointer p2)
213 CORBA_Environment ev;
217 fprintf (stderr, "comparing %p to %p\n",
221 retval = !CORBA_Object_is_equivalent ((CORBA_Object) p1, (CORBA_Object) p2, &ev);
227 register_with_toolkits (SpiRegistry *spi_registry_bonobo_object, EventTypeStruct *etype, CORBA_Environment *ev)
232 Accessibility_Desktop desktop;
233 Accessibility_Application app;
234 Accessibility_Registry registry;
235 registry = BONOBO_OBJREF (spi_registry_bonobo_object);
237 /* for each app in each desktop, call ...Application_registerToolkitEventListener */
239 n_desktops = Accessibility_Registry_getDesktopCount (registry, ev);
241 for (i=0; i<n_desktops; ++i)
243 desktop = Accessibility_Registry_getDesktop (registry, i, ev);
244 n_apps = Accessibility_Desktop__get_childCount (desktop, ev);
245 for (j=0; j<n_apps; ++j)
247 app = (Accessibility_Application) Accessibility_Desktop_getChildAtIndex (desktop,
250 Accessibility_Application_registerToolkitEventListener (app,
252 CORBA_string_dup (etype->event_name),
258 #ifdef USE_A_HASH_IN_FUTURE
261 compare_listener_quarks (gconstpointer p1, gconstpointer p2)
263 return (((SpiListenerStruct *)p2)->event_type_quark !=
264 ((SpiListenerStruct *)p1)->event_type_quark);
268 compare_listener_corbaref (gconstpointer p1, gconstpointer p2)
270 return compare_corba_objects (((SpiListenerStruct *)p2)->listener,
271 ((SpiListenerStruct *)p1)->listener);
276 parse_event_type (EventTypeStruct *etype, const char *event_name)
278 gchar **split_string;
281 split_string = g_strsplit (event_name, ":", 4);
282 etype->event_name = event_name;
284 if (!g_ascii_strncasecmp (event_name, "focus:", 6))
286 etype->type_cat = ETYPE_FOCUS;
288 else if (!g_ascii_strncasecmp (event_name, "mouse:", 6))
290 etype->type_cat = ETYPE_MOUSE;
292 else if (!g_ascii_strncasecmp (event_name, "object:", 7))
294 etype->type_cat = ETYPE_OBJECT;
296 else if (!g_ascii_strncasecmp (event_name, "document:", 9))
298 etype->type_cat = ETYPE_OBJECT;
300 else if (!g_ascii_strncasecmp (event_name, "window:", 7))
302 etype->type_cat = ETYPE_WINDOW;
304 else if (!g_ascii_strncasecmp (event_name, "keyboard:", 9))
306 etype->type_cat = ETYPE_KEYBOARD;
310 etype->type_cat = ETYPE_TOOLKIT;
315 etype->major = g_quark_from_string (split_string[1]);
318 etype->minor = g_quark_from_string (s = g_strconcat (split_string[1], split_string[2], NULL));
322 etype->detail = g_quark_from_string (split_string[3]);
326 etype->detail = g_quark_from_static_string ("");
331 etype->minor = etype->major;
332 etype->detail = g_quark_from_static_string (""); /*etype->major;*/
337 etype->major = g_quark_from_static_string ("");
338 etype->minor = etype->major;
339 etype->detail = etype->major;
342 g_strfreev (split_string);
346 * deregisterApplication:
347 * @application: a reference to the @Application
348 * to be deregistered.
349 * return values: void
351 * De-register an application previously registered with the broker.
355 impl_accessibility_registry_deregister_application (PortableServer_Servant servant,
356 const Accessibility_Application application,
357 CORBA_Environment * ev)
359 SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
361 spi_desktop_remove_application (registry->desktop, application);
364 fprintf (stderr, "de-registered app %p\n", application);
369 get_listener_list (SpiRegistry *registry,
370 EventTypeCategory cat)
380 ret = ®istry->object_listeners;
383 ret = ®istry->window_listeners;
387 ret = ®istry->toolkit_listeners;
397 * CORBA Accessibility::Registry::registerGlobalEventListener method implementation
400 impl_accessibility_registry_register_global_event_listener (
401 PortableServer_Servant servant,
402 Accessibility_EventListener listener,
403 const CORBA_char *event_name,
404 CORBA_Environment *ev)
406 SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
407 SpiListenerStruct *ls = spi_listener_struct_new (listener, ev);
408 EventTypeStruct etype;
411 #ifdef SPI_LISTENER_DEBUG
412 fprintf (stderr, "registering for events of type %s\n", event_name);
415 /* parse, check major event type and add listener accordingly */
416 parse_event_type (&etype, event_name);
417 ls->event_type_quark = etype.minor;
418 ls->event_type_cat = etype.type_cat;
420 list = get_listener_list (registry, etype.type_cat);
424 *list = g_list_prepend (*list, ls);
426 if (etype.type_cat == ETYPE_TOOLKIT)
428 register_with_toolkits (registry, &etype, ev);
433 spi_listener_struct_free (ls, ev);
439 Accessibility_EventListener listener;
440 EventTypeStruct etype;
441 } RemoveListenerClosure;
443 static SpiReEntrantContinue
444 remove_listener_cb (GList * const *list, gpointer user_data)
446 SpiListenerStruct *ls = (SpiListenerStruct *) (*list)->data;
447 CORBA_Environment ev;
448 RemoveListenerClosure *cl = user_data;
450 CORBA_exception_init (&ev);
452 if (cl->remove_all || (((cl->etype.minor == ls->event_type_quark) ||
453 (cl->etype.major == ls->event_type_quark)) &&
454 cl->etype.type_cat == ls->event_type_cat ) )
456 if (CORBA_Object_is_equivalent (ls->listener, cl->listener, &ev))
458 spi_re_entrant_list_delete_link (list);
459 spi_listener_struct_free (ls, &ev);
463 CORBA_exception_free (&ev);
465 return SPI_RE_ENTRANT_CONTINUE;
469 * CORBA Accessibility::Registry::deregisterGlobalEventListenerAll method implementation
472 impl_accessibility_registry_deregister_global_event_listener_all (
473 PortableServer_Servant servant,
474 Accessibility_EventListener listener,
475 CORBA_Environment *ev)
479 SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
480 RemoveListenerClosure cl = { 0, };
482 lists[0] = ®istry->object_listeners;
483 lists[1] = ®istry->window_listeners;
484 lists[2] = ®istry->toolkit_listeners;
486 cl.remove_all = TRUE;
487 cl.listener = listener;
489 for (i = 0; i < sizeof (lists) / sizeof (lists[0]); i++)
491 spi_re_entrant_list_foreach (lists [i], remove_listener_cb, &cl);
497 * CORBA Accessibility::Registry::deregisterGlobalEventListener method implementation
500 impl_accessibility_registry_deregister_global_event_listener (
501 PortableServer_Servant servant,
502 Accessibility_EventListener listener,
503 const CORBA_char *event_name,
504 CORBA_Environment *ev)
506 SpiRegistry *registry;
507 RemoveListenerClosure cl = { 0, };
509 registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
511 cl.remove_all = FALSE;
512 parse_event_type (&cl.etype, (char *) event_name);
513 cl.listener = listener;
515 spi_re_entrant_list_foreach (get_listener_list (registry, cl.etype.type_cat),
516 remove_listener_cb, &cl);
522 * return values: a short integer indicating the current number of
525 * Get the current number of desktops.
529 impl_accessibility_registry_get_desktop_count (PortableServer_Servant servant,
530 CORBA_Environment * ev)
532 /* TODO: implement support for multiple virtual desktops */
533 CORBA_short n_desktops;
534 n_desktops = (CORBA_short) 1;
541 * @n: the index of the requested @Desktop.
542 * return values: a reference to the requested @Desktop.
544 * Get the nth accessible desktop.
547 static Accessibility_Desktop
548 impl_accessibility_registry_get_desktop (PortableServer_Servant servant,
550 CORBA_Environment * ev)
552 SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
554 /* TODO: implement support for multiple virtual desktops */
557 return (Accessibility_Desktop)
558 bonobo_object_dup_ref (BONOBO_OBJREF (registry->desktop), ev);
562 return (Accessibility_Desktop) CORBA_OBJECT_NIL;
569 * return values: a sequence containing references to
572 * Get a list of accessible desktops.
575 static Accessibility_DesktopSeq *
576 impl_accessibility_registry_get_desktop_list (PortableServer_Servant servant,
577 CORBA_Environment * ev)
579 SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
580 Accessibility_DesktopSeq *desktops;
582 desktops = Accessibility_DesktopSeq__alloc ();
583 desktops->_length = desktops->_maximum = 1;
584 desktops->_buffer = Accessibility_DesktopSeq_allocbuf (desktops->_length);
585 desktops->_buffer [0] = bonobo_object_dup_ref (BONOBO_OBJREF (registry->desktop), ev);
591 static Accessibility_DeviceEventController
592 impl_accessibility_registry_get_device_event_controller (PortableServer_Servant servant,
593 CORBA_Environment *ev)
595 SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
597 if (!registry->de_controller)
599 registry->de_controller = spi_device_event_controller_new (registry);
602 return bonobo_object_dup_ref (BONOBO_OBJREF (registry->de_controller), ev);
606 CORBA_Environment *ev;
607 Bonobo_Unknown source;
608 EventTypeStruct etype;
609 Accessibility_Event *e_out;
612 static SpiReEntrantContinue
613 notify_listeners_cb (GList * const *list, gpointer user_data)
615 SpiListenerStruct *ls;
616 NotifyContext *ctx = user_data;
620 #ifdef SPI_LISTENER_DEBUG
621 fprintf (stderr, "event quarks: %lx %lx %lx\n", ls->event_type_quark, ctx->etype.major, ctx->etype.minor);
622 fprintf (stderr, "event name: %s\n", ctx->etype.event_name);
624 if ((ls->event_type_quark == ctx->etype.major) ||
625 (ls->event_type_quark == ctx->etype.minor))
629 fprintf (stderr, "notifying listener %d\n", 0);
630 /* g_list_index (list, l->data)); */
631 s = Accessibility_Accessible__get_name (ctx->source, ctx->ev);
632 fprintf (stderr, "event source name %s\n", s);
634 if (BONOBO_EX (ctx->ev))
636 CORBA_exception_free (ctx->ev);
637 return SPI_RE_ENTRANT_CONTINUE;
641 ctx->e_out->source = ctx->source;
643 if ((*list) && (*list)->data == ls)
645 Accessibility_EventListener_notifyEvent (
646 (Accessibility_EventListener) ls->listener, ctx->e_out, ctx->ev);
647 if (ctx->ev->_major != CORBA_NO_EXCEPTION)
649 DBG (1, g_warning ("Accessibility app error: exception during "
650 "event notification: %s\n",
651 CORBA_exception_id (ctx->ev)));
652 CORBA_exception_free (ctx->ev);
653 /* FIXME: check that this item is removed from the list
654 * on system exception by a 'broken' listener */
659 return SPI_RE_ENTRANT_CONTINUE;
663 registry_emit_event (SpiRegistry *registry, NotifyContext *ctx)
665 GList **list = get_listener_list (registry, ctx->etype.type_cat);
670 spi_re_entrant_list_foreach (list, notify_listeners_cb, ctx);
674 static NotifyContext*
675 registry_clone_notify_context (NotifyContext *ctx)
677 NotifyContext *new_ctx = g_new0 (NotifyContext, 1);
680 new_ctx->source = bonobo_object_dup_ref (ctx->source, NULL);
681 new_ctx->etype.event_name = CORBA_string_dup (ctx->etype.event_name);
682 new_ctx->etype.type_cat = ctx->etype.type_cat;
683 new_ctx->etype.major = ctx->etype.major;
684 new_ctx->etype.minor = ctx->etype.minor;
685 new_ctx->etype.detail = ctx->etype.detail;
686 new_ctx->e_out = ORBit_copy_value (ctx->e_out, TC_Accessibility_Event);
691 registry_flush_event_queue (SpiRegistry *registry,
693 CORBA_Environment *ev)
695 NotifyContext *q_ctx;
696 while (!g_queue_is_empty (registry->deferred_event_queue)) {
697 q_ctx = g_queue_pop_tail (registry->deferred_event_queue);
698 #ifdef SPI_QUEUE_DEBUG
699 fprintf (stderr, "%s! %s [n=%d] %p\n", (discard ? "discard" : "pop"),
700 q_ctx->etype.event_name,
701 (int) registry->deferred_event_queue->length, q_ctx);
705 registry_emit_event (registry, q_ctx);
708 (q_ctx->etype.type_cat == ETYPE_OBJECT) &&
709 (q_ctx->etype.major == _state_quark) &&
710 (q_ctx->etype.minor == _state_changed_focused_quark)) {
711 registry->focus_object = q_ctx->source;
712 #ifdef SPI_QUEUE_DEBUG
713 fprintf (stderr, "discard!: set focus_object %p\n", registry->focus_object);
717 bonobo_object_release_unref (q_ctx->source, NULL);
719 CORBA_free ((void *)q_ctx->etype.event_name);
720 CORBA_free (q_ctx->e_out);
723 registry->is_queueing = FALSE;
727 registry_timeout_flush_queue (gpointer data)
729 SpiRegistry *registry = data;
730 CORBA_Environment ev;
731 #ifdef SPI_QUEUE_DEBUG
732 fprintf (stderr, "timeout! flushing queue...\n");
734 CORBA_exception_init (&ev);
735 registry->queue_handler_id = 0;
736 registry_flush_event_queue (registry, FALSE, &ev);
741 registry_discard_on_event (SpiRegistry *registry, NotifyContext *ctx)
743 gboolean retval = FALSE;
744 NotifyContext *q_ctx = g_queue_peek_tail (registry->deferred_event_queue);
745 if ((q_ctx != NULL) &&
746 (ctx->etype.type_cat == ETYPE_WINDOW) &&
747 (ctx->etype.major == _activate_quark)) {
748 if (CORBA_Object_is_equivalent (ctx->source, q_ctx->source, NULL)) {
756 registry_reset_on_event (SpiRegistry *registry, NotifyContext *ctx)
758 return (ctx->etype.type_cat == ETYPE_WINDOW) ? TRUE : FALSE;
761 #ifdef SPI_QUEUE_DEBUG
762 #include <sys/time.h>
766 registry_start_queue (SpiRegistry *registry)
768 #ifdef SPI_QUEUE_DEBUG
770 gettimeofday (&tp, NULL);
771 fprintf (stderr, "start queueing at %i.%.6i\n", tp.tv_sec, tp.tv_usec);
773 if (registry->queue_handler_id != 0)
774 g_source_remove (registry->queue_handler_id);
776 if (registry->focus_object)
778 #ifdef SPI_QUEUE_DEBUG
779 fprintf (stderr, "registry_start_queue: release focus_object %p\n", registry->focus_object);
781 bonobo_object_release_unref (registry->focus_object, NULL);
782 registry->focus_object = NULL;
784 registry->queue_handler_id = g_timeout_add_full (G_PRIORITY_HIGH_IDLE,
785 registry->exit_notify_timeout,
786 registry_timeout_flush_queue, registry,
788 registry->is_queueing = TRUE;
792 registry_discard_event (SpiRegistry *registry, NotifyContext *ctx)
794 gboolean ret = FALSE;
796 if (ctx->etype.type_cat == ETYPE_FOCUS)
798 if (registry->focus_object)
800 if (CORBA_Object_is_equivalent (registry->focus_object, ctx->source, NULL))
804 #ifdef SPI_QUEUE_DEBUG
805 fprintf (stderr, "registry_discard_event: release focus_object %p\n", registry->focus_object);
807 bonobo_object_release_unref (registry->focus_object, NULL);
808 registry->focus_object = NULL;
815 registry_defer_on_event (SpiRegistry *registry, NotifyContext *ctx)
817 gboolean defer = FALSE;
818 if ((ctx->etype.type_cat == ETYPE_WINDOW) &&
819 (ctx->etype.major == _deactivate_quark)) {
821 registry_start_queue (registry);
823 /* defer all object:state-change events after a window:deactivate */
824 else if ((ctx->etype.type_cat == ETYPE_FOCUS) ||
825 ((ctx->etype.type_cat == ETYPE_OBJECT) &&
826 (ctx->etype.major == _state_quark))) {
833 registry_queue_event (SpiRegistry *registry, NotifyContext *ctx)
835 #ifdef SPI_QUEUE_DEBUG
836 if (ctx->etype.type_cat != ETYPE_MOUSE)
837 fprintf (stderr, "push! %s %p\n", ctx->etype.event_name, ctx);
839 if (registry->is_queueing)
841 NotifyContext *q_ctx = registry_clone_notify_context (ctx);
843 g_queue_push_head (registry->deferred_event_queue, q_ctx);
854 * Dispose of event in one of several ways:
856 * 2) initiate queuing and push onto queue (below)
857 * 3) push on existing queue to either pop on timeout or on subsequent event
858 * 4) pass-through immediately
859 * 5) pass-through, discarding queued events
860 * 6) emit queued events and then pass through
863 registry_filter_event (SpiRegistry *registry, NotifyContext *ctx,
864 CORBA_Environment *ev)
866 g_assert (ctx != NULL);
868 if (registry_discard_event (registry, ctx))
871 if (registry_defer_on_event (registry, ctx)) { /* #2, #3 */
872 if (registry->is_queueing) {
873 return registry_queue_event (registry, ctx);
879 else if (registry_reset_on_event (registry, ctx)) { /* #5, #6 */
880 gboolean discard = registry_discard_on_event (registry, ctx);
881 #ifdef SPI_QUEUE_DEBUG
882 fprintf (stderr, "event %s caused reset, discard=%d\n",
883 ctx->etype.event_name, (int) discard);
886 gettimeofday (&tp, NULL);
887 fprintf (stderr, "event at %i.%.6i\n", tp.tv_sec, tp.tv_usec);
890 registry_flush_event_queue (registry, discard, ev);
891 return (discard ? FALSE : TRUE);
899 impl_registry_notify_event (PortableServer_Servant servant,
900 const Accessibility_Event *e,
901 CORBA_Environment *ev)
903 SpiRegistry *registry;
905 static int level = 0;
908 registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
910 parse_event_type (&ctx.etype, e->type);
913 ctx.e_out = (Accessibility_Event *)e;
914 ctx.source = e->source;
916 #ifdef SPI_QUEUE_DEBUG
917 if (ctx.etype.type_cat != ETYPE_MOUSE)
918 fprintf (stderr, "filter! %s level: %d\n", ctx.etype.event_name, level);
920 if (registry_filter_event (registry, &ctx, ev)) {
921 #ifdef SPI_QUEUE_DEBUG
922 if (ctx.etype.type_cat != ETYPE_MOUSE)
923 fprintf (stderr, "emit! %s level: %d\n", ctx.etype.event_name, level);
925 registry_emit_event (registry, &ctx);
931 spi_registry_class_init (SpiRegistryClass *klass)
933 GObjectClass * object_class = (GObjectClass *) klass;
934 POA_Accessibility_Registry__epv *epv = &klass->epv;
936 spi_registry_parent_class = g_type_class_ref (SPI_LISTENER_TYPE);
938 object_class->finalize = spi_registry_object_finalize;
940 klass->parent_class.epv.notifyEvent = impl_registry_notify_event;
942 epv->registerApplication = impl_accessibility_registry_register_application;
943 epv->deregisterApplication = impl_accessibility_registry_deregister_application;
944 epv->registerGlobalEventListener = impl_accessibility_registry_register_global_event_listener;
945 epv->deregisterGlobalEventListener = impl_accessibility_registry_deregister_global_event_listener;
946 epv->deregisterGlobalEventListenerAll = impl_accessibility_registry_deregister_global_event_listener_all;
947 epv->getDeviceEventController = impl_accessibility_registry_get_device_event_controller;
948 epv->getDesktopCount = impl_accessibility_registry_get_desktop_count;
949 epv->getDesktop = impl_accessibility_registry_get_desktop;
950 epv->getDesktopList = impl_accessibility_registry_get_desktop_list;
951 _deactivate_quark = g_quark_from_static_string ("deactivate");
952 _activate_quark = g_quark_from_static_string ("activate");
953 _state_quark = g_quark_from_static_string ("state-changed");
954 _state_changed_focused_quark = g_quark_from_static_string ("state-changedfocused");
958 spi_registry_init (SpiRegistry *registry)
960 spi_registry_set_debug (g_getenv ("AT_SPI_DEBUG"));
962 * TODO: FIXME, this module makes the foolish assumptions that
963 * registryd uses the same display as the apps, and that the
964 * DISPLAY environment variable is set.
966 gdk_init (NULL, NULL);
968 registry->object_listeners = NULL;
969 registry->window_listeners = NULL;
970 registry->toolkit_listeners = NULL;
971 registry->deferred_event_queue = g_queue_new ();
972 registry->exit_notify_timeout = 200;
973 registry->queue_handler_id = 0;
975 * The focus_object is set when a state-change:focused event is discarded
976 * after a window:deactivate event is received because a window:activate
977 * event has been received for the same window within the timeout period.
978 * The focus object is used to suppress a focus event for that object.
979 * It is released when a window:deactivate event is received.
981 registry->focus_object = NULL;
982 registry->desktop = spi_desktop_new ();
983 /* Register callback notification for application addition and removal */
984 g_signal_connect (G_OBJECT (registry->desktop),
986 G_CALLBACK (desktop_add_application),
989 g_signal_connect (G_OBJECT (registry->desktop),
990 "application_removed",
991 G_CALLBACK (desktop_remove_application),
994 registry->de_controller = spi_device_event_controller_new (registry);
997 BONOBO_TYPE_FUNC_FULL (SpiRegistry,
998 Accessibility_Registry,
1003 spi_registry_new (void)
1005 SpiRegistry *retval = g_object_new (SPI_REGISTRY_TYPE, NULL);
1006 bonobo_object_set_immortal (BONOBO_OBJECT (retval), TRUE);