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 /* Below line for testing -- it should be removed once at-spi-registryd is working */
201 if (dbus_bus_request_name(ad->droute.bus, "test.atspi.tree", 0, &error)) printf("Got test name.\n");
202 spi_register_tree_object(ad->droute.bus, &ad->droute, "/org/freedesktop/atspi/tree");
203 if (!dbus_connection_try_register_fallback (ad->droute.bus, "/org/freedesktop/atspi/accessible", &droute_vtable, &ad->droute, &error))
205 g_warning("Couldn't register droute.\n");
207 dbus_connection_setup_with_g_main(ad->droute.bus, g_main_context_default());
212 atk_bridge_init (gint *argc, gchar **argv[])
214 const char *debug_env_string = g_getenv ("AT_SPI_DEBUG");
216 gboolean success = FALSE;
218 if (atk_bridge_initialized)
222 atk_bridge_initialized = TRUE;
223 atk_bridge_pid = getpid ();
225 misc = atk_misc_get_instance();
227 if (g_getenv ("ATK_BRIDGE_REDIRECT_LOG"))
229 fname = g_strconcat ("/tmp/", g_get_prgname (), ".at-spi-log", NULL);
230 /* make sure we're not being redirected - security issue */
231 if (!g_file_test (fname, G_FILE_TEST_IS_SYMLINK))
232 freopen (fname, "w", stderr);
236 if (debug_env_string)
237 _dbg = (int) g_ascii_strtod (debug_env_string, NULL);
239 /* Connect to dbus */
240 this_app = spi_app_init (atk_get_root ());
243 * We only want to enable the bridge for top level
244 * applications, we detect bonobo components by seeing
245 * if they were activated with the intention of extracting
246 * an impl. by IID - very solid.
249 // TODO: Figure out if this is still needed
250 if (bonobo_activation_iid_get ())
255 DBG (1, g_message ("Found Bonobo component\n"));
256 g_signal_connect (atk_get_root (),
257 "children-changed::add",
258 (GCallback) spi_atk_bridge_toplevel_added,
260 g_signal_connect (atk_get_root (),
261 "children-changed::remove",
262 (GCallback) spi_atk_bridge_toplevel_removed,
264 /* in this case we redefine 'success' to mean 'registry is present' */
265 success = (spi_atk_bridge_get_registry () != NULL);
269 success = spi_atk_bridge_do_registration ();
272 * we must emit events even if we are not registered as a
273 * full-fledged app; See bugzilla #400709.
277 spi_atk_register_event_listeners ();
278 spi_atk_bridge_init_event_type_consts ();
282 atk_bridge_initialized = FALSE;
284 g_idle_add (post_init, NULL);
290 spi_atk_bridge_do_registration (void)
292 if (spi_atk_bridge_get_registry () == NULL)
294 g_warning ("Could not locate registry");
298 /* Create the accessible application server object */
299 if (this_app == NULL)
300 this_app = spi_app_init (atk_get_root ());
302 DBG (1, g_message ("About to register application\n"));
304 spi_atk_bridge_register_application (spi_atk_bridge_get_registry ());
306 g_atexit (spi_atk_bridge_exit_func);
308 DBG (1, g_message ("Application registered & listening\n"));
313 spi_atk_bridge_toplevel_added (AtkObject *object,
319 spi_atk_bridge_do_registration ();
325 spi_atk_bridge_toplevel_removed (AtkObject *object,
332 deregister_application (this_app);
333 reinit_register_vars ();
337 g_warning ("More toplevels removed than added\n");
343 spi_atk_bridge_register_application (const char *registry)
345 DBusMessage *message, *reply;
348 bridge_threads_leave ();
349 message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_REGISTRY, SPI_DBUS_INTERFACE_REGISTRY, "registerApplication");
350 dbus_error_init (&error);
351 reply = dbus_connection_send_with_reply_and_block(this_app->droute.bus, message, 1000, &error);
352 if (error.message) g_warning (error.message);
353 if (reply) dbus_message_unref (reply);
354 if (message) dbus_message_unref (message);
355 bridge_threads_enter ();
359 * Returns a 'canonicalized' value for DISPLAY,
360 * with the screen number stripped off if present.
363 spi_display_name (void)
365 static const char *canonical_display_name = NULL;
366 if (!canonical_display_name)
368 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
371 display_env = g_getenv ("DISPLAY");
372 if (!display_env || !display_env[0])
373 canonical_display_name = ":0";
376 gchar *display_p, *screen_p;
377 canonical_display_name = g_strdup (display_env);
378 display_p = strrchr (canonical_display_name, ':');
379 screen_p = strrchr (canonical_display_name, '.');
380 if (screen_p && display_p && (screen_p > display_p))
388 canonical_display_name = display_env;
391 return canonical_display_name;
394 static Display *bridge_display = NULL;
397 spi_atk_bridge_get_registry_ior (void)
403 unsigned char *data = NULL;
404 unsigned long nitems;
405 unsigned long leftover;
407 bridge_display = XOpenDisplay (spi_display_name ());
409 AT_SPI_IOR = XInternAtom (bridge_display, "AT_SPI_IOR", False);
410 XGetWindowProperty(bridge_display,
411 XDefaultRootWindow (bridge_display),
414 (Atom) 31, &actual_type, &actual_format,
415 &nitems, &leftover, &data);
417 g_warning (_("AT_SPI_REGISTRY was not started at session startup."));
419 return (gchar *) data;
425 spi_atk_bridge_get_registry (void)
427 // TODO: check for registry dying, as the old code attempted to do
428 return "org.freedesktop.atspi.registry";
432 spi_atk_bridge_get_dec (void)
438 gtk_module_init (gint *argc, gchar **argv[])
440 return atk_bridge_init (argc, argv);
444 add_signal_listener (const char *signal_name)
448 id = atk_add_global_event_listener (
449 spi_atk_bridge_signal_listener, signal_name);
451 g_array_append_val (listener_ids, id);
455 spi_atk_register_event_listeners (void)
458 * kludge to make sure the Atk interface types are registered, otherwise
459 * the AtkText signal handlers below won't get registered
462 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
463 AtkObject *bo = atk_no_op_object_new (ao);
466 if (atk_listeners_registered)
468 g_object_unref (G_OBJECT (bo));
473 atk_listeners_registered = TRUE;
475 /* Register for focus event notifications, and register app with central registry */
477 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
479 atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
481 id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
482 "Gtk:AtkObject:property-change");
483 g_array_append_val (listener_ids, id);
484 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
486 g_array_append_val (listener_ids, id);
487 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
489 g_array_append_val (listener_ids, id);
490 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
492 g_array_append_val (listener_ids, id);
493 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
495 g_array_append_val (listener_ids, id);
496 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
498 g_array_append_val (listener_ids, id);
499 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
501 g_array_append_val (listener_ids, id);
502 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
503 "window:deactivate");
504 g_array_append_val (listener_ids, id);
505 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
506 "Gtk:AtkDocument:load-complete");
507 g_array_append_val (listener_ids, id);
508 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
509 "Gtk:AtkDocument:reload");
510 g_array_append_val (listener_ids, id);
511 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
512 "Gtk:AtkDocument:load-stopped");
513 g_array_append_val (listener_ids, id);
514 id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
515 "Gtk:AtkObject:state-change");
516 g_array_append_val (listener_ids, id);
518 add_signal_listener ("Gtk:AtkObject:children-changed");
519 add_signal_listener ("Gtk:AtkObject:visible-data-changed");
520 add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
521 add_signal_listener ("Gtk:AtkComponent:bounds-changed");
522 add_signal_listener ("Gtk:AtkSelection:selection-changed");
523 add_signal_listener ("Gtk:AtkText:text-selection-changed");
524 add_signal_listener ("Gtk:AtkText:text-changed");
525 add_signal_listener ("Gtk:AtkText:text-caret-moved");
526 add_signal_listener ("Gtk:AtkTable:row-inserted");
527 add_signal_listener ("Gtk:AtkTable:row-reordered");
528 add_signal_listener ("Gtk:AtkTable:row-deleted");
529 add_signal_listener ("Gtk:AtkTable:column-inserted");
530 add_signal_listener ("Gtk:AtkTable:column-reordered");
531 add_signal_listener ("Gtk:AtkTable:column-deleted");
532 add_signal_listener ("Gtk:AtkTable:model-changed");
533 add_signal_listener ("Gtk:AtkHypertext:link-selected");
535 * May add the following listeners to implement preemptive key listening for GTK+
537 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
538 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
540 atk_bridge_key_event_listener_id = atk_add_key_event_listener (
541 spi_atk_bridge_key_listener, NULL);
543 g_object_unref (G_OBJECT (bo));
548 deregister_application (SpiAppData *app)
550 const char *registry = spi_atk_bridge_get_registry ();
551 bridge_threads_leave ();
553 bridge_threads_enter ();
557 spi_atk_bridge_exit_func (void)
559 SpiAppData *app = (SpiAppData *) this_app;
561 DBG (1, g_message ("exiting bridge\n"));
567 if (atk_bridge_pid != getpid ())
572 during_init_shutdown = TRUE;
575 * Check whether we still have windows which have not been deleted.
577 spi_atk_tidy_windows ();
579 * FIXME: this may be incorrect for apps that do their own bonobo
580 * shutdown, until we can explicitly shutdown to get the ordering
584 deregister_application (this_app);
586 DBG (1, g_message ("bridge exit func complete.\n"));
588 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
592 XCloseDisplay (bridge_display);
596 gnome_accessibility_module_init (void)
598 atk_bridge_init (NULL, NULL);
600 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
602 g_print("Atk Accessibility bridge initialized\n");
607 gnome_accessibility_module_shutdown (void)
610 GArray *ids = listener_ids;
612 if (!atk_bridge_initialized)
616 during_init_shutdown = TRUE;
617 atk_bridge_initialized = FALSE;
619 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
621 g_print("Atk Accessibility bridge shutdown\n");
625 if (atk_bridge_focus_tracker_id)
626 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
628 for (i = 0; ids && i < ids->len; i++)
630 atk_remove_global_event_listener (g_array_index (ids, guint, i));
633 if (atk_bridge_key_event_listener_id)
634 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
636 deregister_application (this_app);
642 static void emit(AtkObject *object, const char *name, const char *detail, dbus_int32_t detail1, dbus_int32_t detail2, int type, const void *val)
645 char *path = spi_dbus_get_path(object);
646 DBusMessageIter iter, sub;
647 const char *type_as_string = NULL;
648 dbus_int32_t dummy = 0;
650 spi_dbus_update_cache(&this_app->droute);
651 if (type == DBUS_TYPE_OBJECT_PATH)
653 type_as_string = "o";
656 else if (type == DBUS_TYPE_STRING) type_as_string = "s";
657 else if (type == DBUS_TYPE_INT32) type_as_string = "i";
658 else if (type == DBUS_TYPE_UINT32) type_as_string = "u";
659 else if (type == DBUS_TYPE_INVALID)
661 type = DBUS_TYPE_UINT32;
662 type_as_string = "u";
663 if (!val) val = &dummy;
667 g_warning("Unknown type %d in property change signal", type);
669 sig = dbus_message_new_signal(path, "org.freedesktop.atspi.Accessible", name);
670 dbus_message_iter_init_append(sig, &iter);
671 if (!detail) detail = "";
672 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &detail);
673 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
674 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
675 dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, type_as_string, &sub);
676 dbus_message_iter_append_basic(&sub, type, &val);
677 dbus_message_iter_close_container(&iter, &sub);
678 printf("emit: %s %s\n", name, detail);
679 dbus_connection_send(this_app->droute.bus, sig, NULL);
681 dbus_message_unref(sig);
685 spi_atk_bridge_focus_tracker (AtkObject *object)
687 emit(object, "focus", NULL, 0, 0, DBUS_TYPE_INVALID, NULL);
690 static void emit_rect(AtkObject *object, const char *name, const char *detail, AtkRectangle *rect)
693 char *path = spi_dbus_get_path(object);
694 DBusMessageIter iter, iter_variant, sub;
695 dbus_uint32_t x, y, width, height;
696 dbus_int32_t dummy = 0;
698 spi_dbus_update_cache(&this_app->droute);
702 height = rect->height;
703 sig = dbus_message_new_signal(path, "org.freedesktop.atspi.Accessible", name);
704 if (!detail) detail = "";
707 dbus_message_iter_init_append (sig, &iter);
708 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &detail);
709 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &dummy);
710 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &dummy);
711 if (!dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(iiii)", &iter_variant))
713 if (!dbus_message_iter_open_container (&iter_variant, DBUS_TYPE_STRUCT, NULL, &sub))
715 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &x);
716 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &y);
717 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &width);
718 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &height);
719 if (!dbus_message_iter_close_container (&iter_variant, &sub))
721 if (!dbus_message_iter_close_container (&iter, &iter_variant))
724 dbus_connection_send(this_app->droute.bus, sig, NULL);
727 dbus_message_unref(sig);
730 static const char *PropertyChange = "object_property_change";
733 spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
734 guint n_param_values,
735 const GValue *param_values,
738 AtkPropertyValues *values;
740 const gchar *prop_name;
741 const gchar *sp = NULL;
745 const gchar *name = NULL;
747 #ifdef SPI_BRIDGE_DEBUG
748 GSignalQuery signal_query;
749 const gchar *signame;
752 g_signal_query (signal_hint->signal_id, &signal_query);
753 signame = signal_query.signal_name;
755 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
756 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
757 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
758 DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
759 g_type_name (signal_query.itype), signame, values->property_name, s, s2));
763 obj = g_value_get_object (param_values + 0);
764 name = atk_object_get_name (obj);
765 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
767 prop_name = values->property_name;
768 if (strcmp (prop_name, "accessible-name") == 0)
770 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
772 else if (strcmp (prop_name, "accessible-description") == 0)
774 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
776 else if (strcmp (prop_name, "accessible-parent") == 0)
778 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
780 else if (strcmp (prop_name, "accessible-table-summary") == 0)
782 ao = atk_table_get_summary (ATK_TABLE (obj));
783 s_ao = spi_dbus_get_path(ao);
784 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
786 else if (strcmp (prop_name, "accessible-table-column-header") == 0)
788 i = g_value_get_int (&(values->new_value));
789 ao = atk_table_get_column_header (ATK_TABLE (obj), i);
790 s_ao = spi_dbus_get_path(ao);
791 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
793 else if (strcmp (prop_name, "accessible-table-row-header") == 0)
795 i = g_value_get_int (&(values->new_value));
796 ao = atk_table_get_row_header (ATK_TABLE (obj), i);
797 s_ao = spi_dbus_get_path(ao);
798 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
800 else if (strcmp (prop_name, "accessible-table-row-description") == 0)
802 i = g_value_get_int (&(values->new_value));
803 sp = atk_table_get_row_description (ATK_TABLE (obj), i);
804 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, sp);
806 else if (strcmp (prop_name, "accessible-table-column-description") == 0)
808 i = g_value_get_int (&(values->new_value));
809 sp = atk_table_get_column_description (ATK_TABLE(obj), i);
810 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, sp);
812 else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
814 ao = atk_table_get_caption (ATK_TABLE(obj));
815 sp = atk_object_get_name (ao);
816 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, sp);
820 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_INVALID, NULL);
822 if (s_ao) g_free(s_ao);
827 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
828 guint n_param_values,
829 const GValue *param_values,
833 gchar *property_name;
834 unsigned long detail1;
835 #ifdef SPI_BRIDGE_DEBUG
836 GSignalQuery signal_query;
839 g_signal_query (signal_hint->signal_id, &signal_query);
840 name = signal_query.signal_name;
841 fprintf (stderr, "Received (state) signal %s:%s\n",
842 g_type_name (signal_query.itype), name);
845 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
846 property_name = g_strdup (g_value_get_string (param_values + 1));
847 /* Ignore defunct for now; we'll send a tree update to remove it when
848 the object goes away */
849 /* Also ignore state changes for objects not yet broadcast */
850 if ((property_name && !strcmp(property_name, "defunct")) ||
851 !spi_dbus_object_is_known(obj))
853 g_free(property_name);
856 detail1 = (g_value_get_boolean (param_values + 2))
858 emit(obj, "object_state_changed", property_name, detail1, 0, DBUS_TYPE_INVALID, NULL);
859 g_free (property_name);
864 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
865 AtkKeyEventStruct *event)
870 g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
875 { /* this doesn't really need translating */
876 g_print (_("WARNING: NULL key event reported."));
879 keystroke->id = (dbus_int32_t) event->keyval;
880 keystroke->hw_code = (dbus_int16_t) event->keycode;
881 keystroke->timestamp = (dbus_uint32_t) event->timestamp;
882 keystroke->modifiers = (dbus_uint16_t) (event->state & 0xFFFF);
887 keystroke->event_string = g_strdup (event->string);
888 c = g_utf8_get_char_validated (event->string, -1);
889 if (c > 0 && g_unichar_isprint (c))
890 keystroke->is_text = TRUE;
892 keystroke->is_text = FALSE;
896 keystroke->event_string = g_strdup ("");
897 keystroke->is_text = FALSE;
901 case (ATK_KEY_EVENT_PRESS):
902 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
904 case (ATK_KEY_EVENT_RELEASE):
905 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
912 g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
913 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
914 (int) keystroke->modifiers,
915 keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
919 static gboolean Accessibility_DeviceEventController_notifyListenersSync(const Accessibility_DeviceEvent *key_event)
921 DBusMessage *message = dbus_message_new_method_call(SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_REGISTRY, "org.freedesktop.atspi.DeviceEventController", "notifyListenersSync");
923 dbus_bool_t consumed = FALSE;
925 dbus_error_init(&error);
926 if (spi_dbus_marshal_deviceEvent(message, key_event))
928 DBusMessage *reply = dbus_connection_send_with_reply_and_block(this_app->droute.bus, message, 1000, &error);
932 dbus_error_init(&error);
933 dbus_message_get_args(reply, &error, DBUS_TYPE_BOOLEAN, &consumed, DBUS_TYPE_INVALID);
934 dbus_message_unref(reply);
937 dbus_message_unref(message);
942 spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
945 Accessibility_DeviceEvent key_event;
947 spi_init_keystroke_from_atk_key_event (&key_event, event);
949 bridge_threads_leave ();
950 result = Accessibility_DeviceEventController_notifyListenersSync (&key_event);
951 bridge_threads_enter ();
953 if (key_event.event_string) g_free (key_event.event_string);
959 spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
960 guint n_param_values,
961 const GValue *param_values,
965 GSignalQuery signal_query;
967 const gchar *detail = NULL;
970 gint detail1 = 0, detail2 = 0;
974 #ifdef SPI_BRIDGE_DEBUG
978 g_signal_query (signal_hint->signal_id, &signal_query);
980 name = signal_query.signal_name;
981 if (signal_hint->detail)
983 detail = g_quark_to_string (signal_hint->detail);
985 sig_name = g_strdup_printf("object_%s", name);
986 while ((p = strchr(sig_name, '-')) != NULL) *p = '_';
988 #ifdef SPI_BRIDGE_DEBUG
989 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
990 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
991 fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
992 g_type_name (signal_query.itype), name,
993 detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
996 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
998 if (signal_query.signal_id == atk_signal_active_descendant_changed)
1000 gpointer child = g_value_get_pointer (param_values + 1);
1002 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
1004 ao = ATK_OBJECT (child);
1006 detail1 = atk_object_get_index_in_parent (ao);
1007 s_ao = spi_dbus_get_path(child);
1008 emit(obj, sig_name, detail, detail1, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
1011 else if (signal_query.signal_id == atk_signal_link_selected)
1013 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1014 detail1 = g_value_get_int (param_values + 1);
1015 emit(obj, sig_name, detail, detail1, 0, DBUS_TYPE_INVALID, NULL);
1017 else if (signal_query.signal_id == atk_signal_bounds_changed)
1019 AtkRectangle *atk_rect = NULL;
1021 if (G_VALUE_HOLDS_BOXED (param_values + 1))
1022 atk_rect = g_value_get_boxed (param_values + 1);
1023 emit_rect(obj, sig_name, detail, atk_rect);
1025 else if ((signal_query.signal_id == atk_signal_children_changed) && obj)
1027 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
1031 if (n_param_values >= 2)
1033 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1034 detail1 = g_value_get_int (param_values + 1);
1035 if (n_param_values >= 3)
1037 if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
1038 detail2 = g_value_get_int (param_values + 2);
1042 if (signal_query.signal_id == atk_signal_text_changed)
1044 sp = atk_text_get_text (ATK_TEXT (obj),
1047 emit(obj, sig_name, detail, detail1, detail2, DBUS_TYPE_STRING, sp);
1049 else if (signal_query.signal_id == atk_signal_text_selection_changed)
1051 /* Return NULL as the selected string */
1052 emit(obj, sig_name, detail, detail1, detail2, DBUS_TYPE_STRING, "");
1056 emit(obj, sig_name, detail, 0, 0, DBUS_TYPE_INVALID, NULL);
1071 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
1072 guint n_param_values,
1073 const GValue *param_values,
1077 GSignalQuery signal_query;
1078 const gchar *name, *s;
1079 #ifdef SPI_BRIDGE_DEBUG
1083 g_signal_query (signal_hint->signal_id, &signal_query);
1085 name = signal_query.signal_name;
1088 #ifdef SPI_BRIDGE_DEBUG
1089 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1090 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1091 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1092 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1095 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
1097 s = atk_object_get_name (obj);
1098 sig_name = g_strdup_printf("window_%s", name);
1099 emit(obj, sig_name, NULL, 0, 0, DBUS_TYPE_STRING, s);
1106 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
1107 guint n_param_values,
1108 const GValue *param_values,
1112 GSignalQuery signal_query;
1113 const gchar *name, *s;
1115 #ifdef SPI_BRIDGE_DEBUG
1119 g_signal_query (signal_hint->signal_id, &signal_query);
1121 name = signal_query.signal_name;
1123 #ifdef SPI_BRIDGE_DEBUG
1124 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1125 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1126 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1127 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1130 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
1132 s = atk_object_get_name (obj);
1133 sig_name = g_strdup_printf("document_%s", name);
1134 emit(obj, sig_name, NULL, 0, 0, DBUS_TYPE_STRING, s);
1140 spi_atk_tidy_windows (void)
1146 root = atk_get_root ();
1147 n_children = atk_object_get_n_accessible_children (root);
1148 for (i = 0; i < n_children; i++)
1151 AtkStateSet *stateset;
1154 child = atk_object_ref_accessible_child (root, i);
1155 stateset = atk_object_ref_state_set (child);
1157 name = atk_object_get_name (child);
1158 if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
1160 emit(child, "window:deactivate", NULL, 0, 0, DBUS_TYPE_STRING, name);
1162 g_object_unref (stateset);
1164 emit(child, "window:destroy", NULL, 0, 0, DBUS_TYPE_STRING, name);
1165 g_object_unref (child);
1170 reinit_register_vars (void)
1173 device_event_controller = NULL;