2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2002, 2003 Sun Microsystems Inc.,
6 * Copyright 2001, 2002, 2003 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.
25 #include "dbus/dbus-glib-lowlevel.h"
28 #include <X11/Xatom.h>
35 #include <atk/atkobject.h>
36 #include <atk/atknoopobject.h>
37 #include "accessible.h"
39 #undef SPI_BRIDGE_DEBUG
41 #define DBG(a,b) if(_dbg>=(a))b
43 #define bridge_threads_leave() \
44 if (!during_init_shutdown && !g_main_context_is_owner (NULL)) atk_misc_threads_leave(misc);
45 #define bridge_threads_enter() \
46 if (!during_init_shutdown && !g_main_context_is_owner (NULL)) atk_misc_threads_enter(misc);
48 typedef struct _SpiAppData SpiAppData;
56 static const char *registry = NULL;
57 static char *device_event_controller = NULL;
58 static SpiAppData *this_app = NULL;
59 static gboolean registry_died = FALSE;
60 static gboolean atk_listeners_registered = FALSE;
61 static gint toplevels = 0;
62 static gboolean exiting = FALSE;
63 static AtkMisc *misc = NULL;
64 static gboolean during_init_shutdown = TRUE;
66 static guint atk_signal_text_changed;
67 static guint atk_signal_children_changed;
68 static guint atk_signal_active_descendant_changed;
69 static guint atk_signal_text_selection_changed;
72 static guint atk_signal_row_reordered;
73 static guint atk_signal_row_inserted;
74 static guint atk_signal_row_deleted;
75 static guint atk_signal_column_reordered;
76 static guint atk_signal_column_inserted;
77 static guint atk_signal_column_deleted;
80 static guint atk_signal_link_selected;
81 static guint atk_signal_bounds_changed;
83 static const char *spi_atk_bridge_get_registry (void);
84 static gboolean spi_atk_bridge_do_registration (void);
85 static void spi_atk_bridge_toplevel_added (AtkObject *object,
88 static void spi_atk_bridge_toplevel_removed (AtkObject *object,
92 static void spi_atk_bridge_exit_func (void);
93 static void spi_atk_register_event_listeners (void);
94 static void spi_atk_bridge_focus_tracker (AtkObject *object);
95 static gchar *spi_atk_bridge_get_registry_ior (void);
96 static void spi_atk_bridge_register_application (const char *registry);
97 static gboolean spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
99 const GValue *param_values,
103 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
104 guint n_param_values,
105 const GValue *param_values,
108 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
109 guint n_param_values,
110 const GValue *param_values,
113 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
114 guint n_param_values,
115 const GValue *param_values,
117 static gboolean spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
118 guint n_param_values,
119 const GValue *param_values,
121 static gint spi_atk_bridge_key_listener (AtkKeyEventStruct *event,
123 static void spi_atk_tidy_windows (void);
124 static void deregister_application (SpiAppData *app);
125 static void reinit_register_vars (void);
127 /* For automatic libgnome init */
128 extern void gnome_accessibility_module_init (void);
129 extern void gnome_accessibility_module_shutdown (void);
131 static int atk_bridge_initialized = FALSE;
132 static pid_t atk_bridge_pid = 0;
133 static guint atk_bridge_focus_tracker_id = 0;
134 static guint atk_bridge_key_event_listener_id = 0;
135 static GArray *listener_ids = NULL;
138 * These exported symbols are hooked by gnome-program
139 * to provide automatic module initialization and shutdown.
141 extern void gnome_accessibility_module_init (void);
142 extern void gnome_accessibility_module_shutdown (void);
145 spi_atk_bridge_init_event_type_consts ()
147 static gboolean done = FALSE;
152 atk_signal_children_changed = g_signal_lookup ("children_changed",
154 atk_signal_text_changed = g_signal_lookup ("text_changed",
156 atk_signal_bounds_changed = g_signal_lookup ("bounds_changed",
158 atk_signal_active_descendant_changed =
159 g_signal_lookup ("active_descendant_changed",
161 atk_signal_link_selected = g_signal_lookup ("link_selected",
163 atk_signal_text_selection_changed = g_signal_lookup ("text_selection_changed",
169 post_init (gpointer data)
171 during_init_shutdown = FALSE;
175 static DBusObjectPathVTable droute_vtable =
179 NULL, NULL, NULL, NULL
183 spi_app_init (AtkObject *root)
186 dbus_error_init(&error);
187 SpiAppData *ad = (SpiAppData *)calloc(sizeof(SpiAppData), 1);
188 if (!ad) return NULL;
190 ad->droute.bus = dbus_bus_get(DBUS_BUS_SESSION, &error);
193 g_warning("Couldn't connect to dbus: %s\n", error.message);
197 //dbus_connection_set_exit_on_disconnect(ad->droute.bus, FALSE);
198 dbus_bus_register(ad->droute.bus, &error);
199 spi_dbus_initialize (&ad->droute);
200 spi_register_tree_object(ad->droute.bus, &ad->droute, "/org/freedesktop/atspi/tree");
201 if (!dbus_connection_try_register_fallback (ad->droute.bus, "/org/freedesktop/atspi/accessible", &droute_vtable, &ad->droute, &error))
203 g_warning("Couldn't register droute.\n");
205 dbus_connection_setup_with_g_main(ad->droute.bus, g_main_context_default());
210 atk_bridge_init (gint *argc, gchar **argv[])
212 const char *debug_env_string = g_getenv ("AT_SPI_DEBUG");
214 gboolean success = FALSE;
216 if (atk_bridge_initialized)
220 atk_bridge_initialized = TRUE;
221 atk_bridge_pid = getpid ();
223 misc = atk_misc_get_instance();
225 if (g_getenv ("ATK_BRIDGE_REDIRECT_LOG"))
227 fname = g_strconcat ("/tmp/", g_get_prgname (), ".at-spi-log", NULL);
228 /* make sure we're not being redirected - security issue */
229 if (!g_file_test (fname, G_FILE_TEST_IS_SYMLINK))
230 freopen (fname, "w", stderr);
234 if (debug_env_string)
235 _dbg = (int) g_ascii_strtod (debug_env_string, NULL);
237 /* Connect to dbus */
238 this_app = spi_app_init (atk_get_root ());
241 * We only want to enable the bridge for top level
242 * applications, we detect bonobo components by seeing
243 * if they were activated with the intention of extracting
244 * an impl. by IID - very solid.
247 // TODO: Figure out if this is still needed
248 if (bonobo_activation_iid_get ())
253 DBG (1, g_message ("Found Bonobo component\n"));
254 g_signal_connect (atk_get_root (),
255 "children-changed::add",
256 (GCallback) spi_atk_bridge_toplevel_added,
258 g_signal_connect (atk_get_root (),
259 "children-changed::remove",
260 (GCallback) spi_atk_bridge_toplevel_removed,
262 /* in this case we redefine 'success' to mean 'registry is present' */
263 success = (spi_atk_bridge_get_registry () != NULL);
267 success = spi_atk_bridge_do_registration ();
270 * we must emit events even if we are not registered as a
271 * full-fledged app; See bugzilla #400709.
275 spi_atk_register_event_listeners ();
276 spi_atk_bridge_init_event_type_consts ();
280 atk_bridge_initialized = FALSE;
282 g_idle_add (post_init, NULL);
288 spi_atk_bridge_do_registration (void)
290 if (spi_atk_bridge_get_registry () == NULL)
292 g_warning ("Could not locate registry");
296 /* Create the accessible application server object */
297 if (this_app == NULL)
298 this_app = spi_app_init (atk_get_root ());
300 DBG (1, g_message ("About to register application\n"));
302 spi_atk_bridge_register_application (spi_atk_bridge_get_registry ());
304 g_atexit (spi_atk_bridge_exit_func);
306 DBG (1, g_message ("Application registered & listening\n"));
311 spi_atk_bridge_toplevel_added (AtkObject *object,
317 spi_atk_bridge_do_registration ();
323 spi_atk_bridge_toplevel_removed (AtkObject *object,
330 deregister_application (this_app);
331 reinit_register_vars ();
335 g_warning ("More toplevels removed than added\n");
341 spi_atk_bridge_register_application (const char *registry)
343 DBusMessage *message, *reply;
346 bridge_threads_leave ();
347 message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_REGISTRY, SPI_DBUS_INTERFACE_REGISTRY, "registerApplication");
348 dbus_error_init (&error);
349 reply = dbus_connection_send_with_reply_and_block(this_app->droute.bus, message, 1000, &error);
350 if (error.message) g_warning (error.message);
351 if (reply) dbus_message_unref (reply);
352 if (message) dbus_message_unref (message);
353 bridge_threads_enter ();
357 * Returns a 'canonicalized' value for DISPLAY,
358 * with the screen number stripped off if present.
361 spi_display_name (void)
363 static const char *canonical_display_name = NULL;
364 if (!canonical_display_name)
366 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
369 display_env = g_getenv ("DISPLAY");
370 if (!display_env || !display_env[0])
371 canonical_display_name = ":0";
374 gchar *display_p, *screen_p;
375 canonical_display_name = g_strdup (display_env);
376 display_p = strrchr (canonical_display_name, ':');
377 screen_p = strrchr (canonical_display_name, '.');
378 if (screen_p && display_p && (screen_p > display_p))
386 canonical_display_name = display_env;
389 return canonical_display_name;
392 static Display *bridge_display = NULL;
395 spi_atk_bridge_get_registry_ior (void)
401 unsigned char *data = NULL;
402 unsigned long nitems;
403 unsigned long leftover;
405 bridge_display = XOpenDisplay (spi_display_name ());
407 AT_SPI_IOR = XInternAtom (bridge_display, "AT_SPI_IOR", False);
408 XGetWindowProperty(bridge_display,
409 XDefaultRootWindow (bridge_display),
412 (Atom) 31, &actual_type, &actual_format,
413 &nitems, &leftover, &data);
415 g_warning (_("AT_SPI_REGISTRY was not started at session startup."));
417 return (gchar *) data;
423 spi_atk_bridge_get_registry (void)
425 // TODO: check for registry dying, as the old code attempted to do
426 return "org.freedesktop.atspi.registry";
430 spi_atk_bridge_get_dec (void)
436 gtk_module_init (gint *argc, gchar **argv[])
438 return atk_bridge_init (argc, argv);
442 add_signal_listener (const char *signal_name)
446 id = atk_add_global_event_listener (
447 spi_atk_bridge_signal_listener, signal_name);
449 g_array_append_val (listener_ids, id);
453 spi_atk_register_event_listeners (void)
456 * kludge to make sure the Atk interface types are registered, otherwise
457 * the AtkText signal handlers below won't get registered
460 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
461 AtkObject *bo = atk_no_op_object_new (ao);
464 if (atk_listeners_registered)
466 g_object_unref (G_OBJECT (bo));
471 atk_listeners_registered = TRUE;
473 /* Register for focus event notifications, and register app with central registry */
475 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
477 atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
479 id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
480 "Gtk:AtkObject:property-change");
481 g_array_append_val (listener_ids, id);
482 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
484 g_array_append_val (listener_ids, id);
485 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
487 g_array_append_val (listener_ids, id);
488 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
490 g_array_append_val (listener_ids, id);
491 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
493 g_array_append_val (listener_ids, id);
494 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
496 g_array_append_val (listener_ids, id);
497 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
499 g_array_append_val (listener_ids, id);
500 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
501 "window:deactivate");
502 g_array_append_val (listener_ids, id);
503 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
504 "Gtk:AtkDocument:load-complete");
505 g_array_append_val (listener_ids, id);
506 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
507 "Gtk:AtkDocument:reload");
508 g_array_append_val (listener_ids, id);
509 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
510 "Gtk:AtkDocument:load-stopped");
511 g_array_append_val (listener_ids, id);
512 id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
513 "Gtk:AtkObject:state-change");
514 g_array_append_val (listener_ids, id);
516 add_signal_listener ("Gtk:AtkObject:children-changed");
517 add_signal_listener ("Gtk:AtkObject:visible-data-changed");
518 add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
519 add_signal_listener ("Gtk:AtkComponent:bounds-changed");
520 add_signal_listener ("Gtk:AtkSelection:selection-changed");
521 add_signal_listener ("Gtk:AtkText:text-selection-changed");
522 add_signal_listener ("Gtk:AtkText:text-changed");
523 add_signal_listener ("Gtk:AtkText:text-caret-moved");
524 add_signal_listener ("Gtk:AtkTable:row-inserted");
525 add_signal_listener ("Gtk:AtkTable:row-reordered");
526 add_signal_listener ("Gtk:AtkTable:row-deleted");
527 add_signal_listener ("Gtk:AtkTable:column-inserted");
528 add_signal_listener ("Gtk:AtkTable:column-reordered");
529 add_signal_listener ("Gtk:AtkTable:column-deleted");
530 add_signal_listener ("Gtk:AtkTable:model-changed");
531 add_signal_listener ("Gtk:AtkHypertext:link-selected");
533 * May add the following listeners to implement preemptive key listening for GTK+
535 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
536 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
538 atk_bridge_key_event_listener_id = atk_add_key_event_listener (
539 spi_atk_bridge_key_listener, NULL);
541 g_object_unref (G_OBJECT (bo));
546 deregister_application (SpiAppData *app)
548 const char *registry = spi_atk_bridge_get_registry ();
549 bridge_threads_leave ();
551 bridge_threads_enter ();
555 spi_atk_bridge_exit_func (void)
557 SpiAppData *app = (SpiAppData *) this_app;
559 DBG (1, g_message ("exiting bridge\n"));
565 if (atk_bridge_pid != getpid ())
570 during_init_shutdown = TRUE;
573 * Check whether we still have windows which have not been deleted.
575 spi_atk_tidy_windows ();
577 * FIXME: this may be incorrect for apps that do their own bonobo
578 * shutdown, until we can explicitly shutdown to get the ordering
582 deregister_application (this_app);
584 DBG (1, g_message ("bridge exit func complete.\n"));
586 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
590 XCloseDisplay (bridge_display);
594 gnome_accessibility_module_init (void)
596 atk_bridge_init (NULL, NULL);
598 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
600 g_print("Atk Accessibility bridge initialized\n");
605 gnome_accessibility_module_shutdown (void)
608 GArray *ids = listener_ids;
610 if (!atk_bridge_initialized)
614 during_init_shutdown = TRUE;
615 atk_bridge_initialized = FALSE;
617 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
619 g_print("Atk Accessibility bridge shutdown\n");
623 if (atk_bridge_focus_tracker_id)
624 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
626 for (i = 0; ids && i < ids->len; i++)
628 atk_remove_global_event_listener (g_array_index (ids, guint, i));
631 if (atk_bridge_key_event_listener_id)
632 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
634 deregister_application (this_app);
640 static void emit(AtkObject *object, const char *name, const char *detail, dbus_int32_t detail1, dbus_int32_t detail2, int type, const void *val)
643 char *path = spi_dbus_get_path(object);
644 DBusMessageIter iter, sub;
645 const char *type_as_string = NULL;
646 dbus_int32_t dummy = 0;
648 spi_dbus_update_cache(&this_app->droute);
649 if (type == DBUS_TYPE_OBJECT_PATH)
651 type_as_string = "o";
654 else if (type == DBUS_TYPE_STRING) type_as_string = "s";
655 else if (type == DBUS_TYPE_INT32) type_as_string = "i";
656 else if (type == DBUS_TYPE_UINT32) type_as_string = "u";
657 else if (type == DBUS_TYPE_INVALID)
659 type = DBUS_TYPE_UINT32;
660 type_as_string = "u";
661 if (!val) val = &dummy;
665 g_warning("Unknown type %d in property change signal", type);
667 sig = dbus_message_new_signal(path, "org.freedesktop.atspi.Accessible", name);
668 dbus_message_iter_init_append(sig, &iter);
669 if (!detail) detail = "";
670 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &detail);
671 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
672 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
673 dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, type_as_string, &sub);
674 dbus_message_iter_append_basic(&sub, type, &val);
675 dbus_message_iter_close_container(&iter, &sub);
676 printf("emit: %s %s\n", name, detail);
677 dbus_connection_send(this_app->droute.bus, sig, NULL);
679 dbus_message_unref(sig);
683 spi_atk_bridge_focus_tracker (AtkObject *object)
685 emit(object, "focus", NULL, 0, 0, DBUS_TYPE_INVALID, NULL);
688 static void emit_rect(AtkObject *object, const char *name, const char *detail, AtkRectangle *rect)
691 char *path = spi_dbus_get_path(object);
692 DBusMessageIter iter, iter_variant, sub;
693 dbus_uint32_t x, y, width, height;
694 dbus_int32_t dummy = 0;
696 spi_dbus_update_cache(&this_app->droute);
700 height = rect->height;
701 sig = dbus_message_new_signal(path, "org.freedesktop.atspi.Accessible", name);
702 if (!detail) detail = "";
705 dbus_message_iter_init_append (sig, &iter);
706 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &detail);
707 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &dummy);
708 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &dummy);
709 if (!dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(iiii)", &iter_variant))
711 if (!dbus_message_iter_open_container (&iter_variant, DBUS_TYPE_STRUCT, NULL, &sub))
713 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &x);
714 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &y);
715 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &width);
716 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &height);
717 if (!dbus_message_iter_close_container (&iter_variant, &sub))
719 if (!dbus_message_iter_close_container (&iter, &iter_variant))
722 dbus_connection_send(this_app->droute.bus, sig, NULL);
725 dbus_message_unref(sig);
728 static const char *PropertyChange = "object_property_change";
731 spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
732 guint n_param_values,
733 const GValue *param_values,
736 AtkPropertyValues *values;
738 const gchar *prop_name;
739 const gchar *sp = NULL;
743 const gchar *name = NULL;
745 #ifdef SPI_BRIDGE_DEBUG
746 GSignalQuery signal_query;
747 const gchar *signame;
750 g_signal_query (signal_hint->signal_id, &signal_query);
751 signame = signal_query.signal_name;
753 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
754 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
755 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
756 DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
757 g_type_name (signal_query.itype), signame, values->property_name, s, s2));
761 obj = g_value_get_object (param_values + 0);
762 name = atk_object_get_name (obj);
763 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
765 prop_name = values->property_name;
766 if (strcmp (prop_name, "accessible-name") == 0)
768 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
770 else if (strcmp (prop_name, "accessible-description") == 0)
772 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
774 else if (strcmp (prop_name, "accessible-parent") == 0)
776 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
778 else if (strcmp (prop_name, "accessible-table-summary") == 0)
780 ao = atk_table_get_summary (ATK_TABLE (obj));
781 s_ao = spi_dbus_get_path(ao);
782 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
784 else if (strcmp (prop_name, "accessible-table-column-header") == 0)
786 i = g_value_get_int (&(values->new_value));
787 ao = atk_table_get_column_header (ATK_TABLE (obj), i);
788 s_ao = spi_dbus_get_path(ao);
789 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
791 else if (strcmp (prop_name, "accessible-table-row-header") == 0)
793 i = g_value_get_int (&(values->new_value));
794 ao = atk_table_get_row_header (ATK_TABLE (obj), i);
795 s_ao = spi_dbus_get_path(ao);
796 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
798 else if (strcmp (prop_name, "accessible-table-row-description") == 0)
800 i = g_value_get_int (&(values->new_value));
801 sp = atk_table_get_row_description (ATK_TABLE (obj), i);
802 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, sp);
804 else if (strcmp (prop_name, "accessible-table-column-description") == 0)
806 i = g_value_get_int (&(values->new_value));
807 sp = atk_table_get_column_description (ATK_TABLE(obj), i);
808 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, sp);
810 else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
812 ao = atk_table_get_caption (ATK_TABLE(obj));
813 sp = atk_object_get_name (ao);
814 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, sp);
818 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_INVALID, NULL);
820 if (s_ao) g_free(s_ao);
825 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
826 guint n_param_values,
827 const GValue *param_values,
831 gchar *property_name;
832 unsigned long detail1;
833 #ifdef SPI_BRIDGE_DEBUG
834 GSignalQuery signal_query;
837 g_signal_query (signal_hint->signal_id, &signal_query);
838 name = signal_query.signal_name;
839 fprintf (stderr, "Received (state) signal %s:%s\n",
840 g_type_name (signal_query.itype), name);
843 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
844 property_name = g_strdup (g_value_get_string (param_values + 1));
845 /* Ignore defunct for now; we'll send a tree update to remove it when
846 the object goes away */
847 /* Also ignore state changes for objects not yet broadcast */
848 if ((property_name && !strcmp(property_name, "defunct")) ||
849 !spi_dbus_object_is_known(obj))
851 g_free(property_name);
854 detail1 = (g_value_get_boolean (param_values + 2))
856 emit(obj, "object_state_changed", property_name, detail1, 0, DBUS_TYPE_INVALID, NULL);
857 g_free (property_name);
862 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
863 AtkKeyEventStruct *event)
868 g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
873 { /* this doesn't really need translating */
874 g_print (_("WARNING: NULL key event reported."));
877 keystroke->id = (dbus_int32_t) event->keyval;
878 keystroke->hw_code = (dbus_int16_t) event->keycode;
879 keystroke->timestamp = (dbus_uint32_t) event->timestamp;
880 keystroke->modifiers = (dbus_uint16_t) (event->state & 0xFFFF);
885 keystroke->event_string = g_strdup (event->string);
886 c = g_utf8_get_char_validated (event->string, -1);
887 if (c > 0 && g_unichar_isprint (c))
888 keystroke->is_text = TRUE;
890 keystroke->is_text = FALSE;
894 keystroke->event_string = g_strdup ("");
895 keystroke->is_text = FALSE;
899 case (ATK_KEY_EVENT_PRESS):
900 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
902 case (ATK_KEY_EVENT_RELEASE):
903 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
910 g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
911 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
912 (int) keystroke->modifiers,
913 keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
917 static gboolean Accessibility_DeviceEventController_notifyListenersSync(const Accessibility_DeviceEvent *key_event)
919 DBusMessage *message = dbus_message_new_method_call(SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_REGISTRY, "org.freedesktop.atspi.DeviceEventController", "notifyListenersSync");
921 dbus_bool_t consumed = FALSE;
923 dbus_error_init(&error);
924 if (spi_dbus_marshal_deviceEvent(message, key_event))
926 DBusMessage *reply = dbus_connection_send_with_reply_and_block(this_app->droute.bus, message, 1000, &error);
930 dbus_error_init(&error);
931 dbus_message_get_args(reply, &error, DBUS_TYPE_BOOLEAN, &consumed, DBUS_TYPE_INVALID);
932 dbus_message_unref(reply);
935 dbus_message_unref(message);
940 spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
943 Accessibility_DeviceEvent key_event;
945 spi_init_keystroke_from_atk_key_event (&key_event, event);
947 bridge_threads_leave ();
948 result = Accessibility_DeviceEventController_notifyListenersSync (&key_event);
949 bridge_threads_enter ();
951 if (key_event.event_string) g_free (key_event.event_string);
957 spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
958 guint n_param_values,
959 const GValue *param_values,
963 GSignalQuery signal_query;
965 const gchar *detail = NULL;
968 gint detail1 = 0, detail2 = 0;
972 #ifdef SPI_BRIDGE_DEBUG
976 g_signal_query (signal_hint->signal_id, &signal_query);
978 name = signal_query.signal_name;
979 if (signal_hint->detail)
981 detail = g_quark_to_string (signal_hint->detail);
983 sig_name = g_strdup_printf("object_%s", name);
984 while ((p = strchr(sig_name, '-')) != NULL) *p = '_';
986 #ifdef SPI_BRIDGE_DEBUG
987 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
988 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
989 fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
990 g_type_name (signal_query.itype), name,
991 detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
994 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
996 if (signal_query.signal_id == atk_signal_active_descendant_changed)
998 gpointer child = g_value_get_pointer (param_values + 1);
1000 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
1002 ao = ATK_OBJECT (child);
1004 detail1 = atk_object_get_index_in_parent (ao);
1005 s_ao = spi_dbus_get_path(child);
1006 emit(obj, sig_name, detail, detail1, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
1009 else if (signal_query.signal_id == atk_signal_link_selected)
1011 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1012 detail1 = g_value_get_int (param_values + 1);
1013 emit(obj, sig_name, detail, detail1, 0, DBUS_TYPE_INVALID, NULL);
1015 else if (signal_query.signal_id == atk_signal_bounds_changed)
1017 AtkRectangle *atk_rect = NULL;
1019 if (G_VALUE_HOLDS_BOXED (param_values + 1))
1020 atk_rect = g_value_get_boxed (param_values + 1);
1021 emit_rect(obj, sig_name, detail, atk_rect);
1023 else if ((signal_query.signal_id == atk_signal_children_changed) && obj)
1025 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
1029 if (n_param_values >= 2)
1031 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1032 detail1 = g_value_get_int (param_values + 1);
1033 if (n_param_values >= 3)
1035 if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
1036 detail2 = g_value_get_int (param_values + 2);
1040 if (signal_query.signal_id == atk_signal_text_changed)
1042 sp = atk_text_get_text (ATK_TEXT (obj),
1045 emit(obj, sig_name, detail, detail1, detail2, DBUS_TYPE_STRING, sp);
1047 else if (signal_query.signal_id == atk_signal_text_selection_changed)
1049 /* Return NULL as the selected string */
1050 emit(obj, sig_name, detail, detail1, detail2, DBUS_TYPE_STRING, "");
1054 emit(obj, sig_name, detail, 0, 0, DBUS_TYPE_INVALID, NULL);
1069 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
1070 guint n_param_values,
1071 const GValue *param_values,
1075 GSignalQuery signal_query;
1076 const gchar *name, *s;
1077 #ifdef SPI_BRIDGE_DEBUG
1081 g_signal_query (signal_hint->signal_id, &signal_query);
1083 name = signal_query.signal_name;
1086 #ifdef SPI_BRIDGE_DEBUG
1087 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1088 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1089 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1090 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1093 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
1095 s = atk_object_get_name (obj);
1096 sig_name = g_strdup_printf("window_%s", name);
1097 emit(obj, sig_name, NULL, 0, 0, DBUS_TYPE_STRING, s);
1104 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
1105 guint n_param_values,
1106 const GValue *param_values,
1110 GSignalQuery signal_query;
1111 const gchar *name, *s;
1113 #ifdef SPI_BRIDGE_DEBUG
1117 g_signal_query (signal_hint->signal_id, &signal_query);
1119 name = signal_query.signal_name;
1121 #ifdef SPI_BRIDGE_DEBUG
1122 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1123 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1124 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1125 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1128 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
1130 s = atk_object_get_name (obj);
1131 sig_name = g_strdup_printf("document_%s", name);
1132 emit(obj, sig_name, NULL, 0, 0, DBUS_TYPE_STRING, s);
1138 spi_atk_tidy_windows (void)
1144 root = atk_get_root ();
1145 n_children = atk_object_get_n_accessible_children (root);
1146 for (i = 0; i < n_children; i++)
1149 AtkStateSet *stateset;
1152 child = atk_object_ref_accessible_child (root, i);
1153 stateset = atk_object_ref_state_set (child);
1155 name = atk_object_get_name (child);
1156 if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
1158 emit(child, "window:deactivate", NULL, 0, 0, DBUS_TYPE_STRING, name);
1160 g_object_unref (stateset);
1162 emit(child, "window:destroy", NULL, 0, 0, DBUS_TYPE_STRING, name);
1163 g_object_unref (child);
1168 reinit_register_vars (void)
1171 device_event_controller = NULL;