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 if (!dbus_connection_try_register_fallback (ad->droute.bus, "/org/freedesktop/atspi", &droute_vtable, &ad->droute, &error))
204 g_warning("Couldn't register droute.\n");
206 dbus_connection_setup_with_g_main(ad->droute.bus, g_main_context_default());
211 atk_bridge_init (gint *argc, gchar **argv[])
213 const char *debug_env_string = g_getenv ("AT_SPI_DEBUG");
215 gboolean success = FALSE;
217 if (atk_bridge_initialized)
221 atk_bridge_initialized = TRUE;
222 atk_bridge_pid = getpid ();
224 misc = atk_misc_get_instance();
226 if (g_getenv ("ATK_BRIDGE_REDIRECT_LOG"))
228 fname = g_strconcat ("/tmp/", g_get_prgname (), ".at-spi-log", NULL);
229 /* make sure we're not being redirected - security issue */
230 if (!g_file_test (fname, G_FILE_TEST_IS_SYMLINK))
231 freopen (fname, "w", stderr);
235 if (debug_env_string)
236 _dbg = (int) g_ascii_strtod (debug_env_string, NULL);
238 /* Connect to dbus */
239 this_app = spi_app_init (atk_get_root ());
242 * We only want to enable the bridge for top level
243 * applications, we detect bonobo components by seeing
244 * if they were activated with the intention of extracting
245 * an impl. by IID - very solid.
248 // TODO: Figure out if this is still needed
249 if (bonobo_activation_iid_get ())
254 DBG (1, g_message ("Found Bonobo component\n"));
255 g_signal_connect (atk_get_root (),
256 "children-changed::add",
257 (GCallback) spi_atk_bridge_toplevel_added,
259 g_signal_connect (atk_get_root (),
260 "children-changed::remove",
261 (GCallback) spi_atk_bridge_toplevel_removed,
263 /* in this case we redefine 'success' to mean 'registry is present' */
264 success = (spi_atk_bridge_get_registry () != NULL);
268 success = spi_atk_bridge_do_registration ();
271 * we must emit events even if we are not registered as a
272 * full-fledged app; See bugzilla #400709.
276 spi_atk_register_event_listeners ();
277 spi_atk_bridge_init_event_type_consts ();
281 atk_bridge_initialized = FALSE;
283 g_idle_add (post_init, NULL);
289 spi_atk_bridge_do_registration (void)
291 if (spi_atk_bridge_get_registry () == NULL)
293 g_warning ("Could not locate registry");
297 /* Create the accessible application server object */
298 if (this_app == NULL)
299 this_app = spi_app_init (atk_get_root ());
301 DBG (1, g_message ("About to register application\n"));
303 spi_atk_bridge_register_application (spi_atk_bridge_get_registry ());
305 g_atexit (spi_atk_bridge_exit_func);
307 DBG (1, g_message ("Application registered & listening\n"));
312 spi_atk_bridge_toplevel_added (AtkObject *object,
318 spi_atk_bridge_do_registration ();
324 spi_atk_bridge_toplevel_removed (AtkObject *object,
331 deregister_application (this_app);
332 reinit_register_vars ();
336 g_warning ("More toplevels removed than added\n");
342 spi_atk_bridge_register_application (const char *registry)
344 bridge_threads_leave ();
346 bridge_threads_enter ();
350 * Returns a 'canonicalized' value for DISPLAY,
351 * with the screen number stripped off if present.
354 spi_display_name (void)
356 static const char *canonical_display_name = NULL;
357 if (!canonical_display_name)
359 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
362 display_env = g_getenv ("DISPLAY");
363 if (!display_env || !display_env[0])
364 canonical_display_name = ":0";
367 gchar *display_p, *screen_p;
368 canonical_display_name = g_strdup (display_env);
369 display_p = strrchr (canonical_display_name, ':');
370 screen_p = strrchr (canonical_display_name, '.');
371 if (screen_p && display_p && (screen_p > display_p))
379 canonical_display_name = display_env;
382 return canonical_display_name;
385 static Display *bridge_display = NULL;
388 spi_atk_bridge_get_registry_ior (void)
394 unsigned char *data = NULL;
395 unsigned long nitems;
396 unsigned long leftover;
398 bridge_display = XOpenDisplay (spi_display_name ());
400 AT_SPI_IOR = XInternAtom (bridge_display, "AT_SPI_IOR", False);
401 XGetWindowProperty(bridge_display,
402 XDefaultRootWindow (bridge_display),
405 (Atom) 31, &actual_type, &actual_format,
406 &nitems, &leftover, &data);
408 g_warning (_("AT_SPI_REGISTRY was not started at session startup."));
410 return (gchar *) data;
416 spi_atk_bridge_get_registry (void)
418 // TODO: check for registry dying, as the old code attempted to do
419 return "org.freedesktop.atspi.registry";
423 spi_atk_bridge_get_dec (void)
429 gtk_module_init (gint *argc, gchar **argv[])
431 return atk_bridge_init (argc, argv);
435 add_signal_listener (const char *signal_name)
439 id = atk_add_global_event_listener (
440 spi_atk_bridge_signal_listener, signal_name);
442 g_array_append_val (listener_ids, id);
446 spi_atk_register_event_listeners (void)
449 * kludge to make sure the Atk interface types are registered, otherwise
450 * the AtkText signal handlers below won't get registered
453 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
454 AtkObject *bo = atk_no_op_object_new (ao);
457 if (atk_listeners_registered)
459 g_object_unref (G_OBJECT (bo));
464 atk_listeners_registered = TRUE;
466 /* Register for focus event notifications, and register app with central registry */
468 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
470 atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
472 id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
473 "Gtk:AtkObject:property-change");
474 g_array_append_val (listener_ids, id);
475 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
477 g_array_append_val (listener_ids, id);
478 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
480 g_array_append_val (listener_ids, id);
481 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
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,
494 "window:deactivate");
495 g_array_append_val (listener_ids, id);
496 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
497 "Gtk:AtkDocument:load-complete");
498 g_array_append_val (listener_ids, id);
499 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
500 "Gtk:AtkDocument:reload");
501 g_array_append_val (listener_ids, id);
502 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
503 "Gtk:AtkDocument:load-stopped");
504 g_array_append_val (listener_ids, id);
505 id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
506 "Gtk:AtkObject:state-change");
507 g_array_append_val (listener_ids, id);
509 add_signal_listener ("Gtk:AtkObject:children-changed");
510 add_signal_listener ("Gtk:AtkObject:visible-data-changed");
511 add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
512 add_signal_listener ("Gtk:AtkComponent:bounds-changed");
513 add_signal_listener ("Gtk:AtkSelection:selection-changed");
514 add_signal_listener ("Gtk:AtkText:text-selection-changed");
515 add_signal_listener ("Gtk:AtkText:text-changed");
516 add_signal_listener ("Gtk:AtkText:text-caret-moved");
517 add_signal_listener ("Gtk:AtkTable:row-inserted");
518 add_signal_listener ("Gtk:AtkTable:row-reordered");
519 add_signal_listener ("Gtk:AtkTable:row-deleted");
520 add_signal_listener ("Gtk:AtkTable:column-inserted");
521 add_signal_listener ("Gtk:AtkTable:column-reordered");
522 add_signal_listener ("Gtk:AtkTable:column-deleted");
523 add_signal_listener ("Gtk:AtkTable:model-changed");
524 add_signal_listener ("Gtk:AtkHypertext:link-selected");
526 * May add the following listeners to implement preemptive key listening for GTK+
528 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
529 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
531 atk_bridge_key_event_listener_id = atk_add_key_event_listener (
532 spi_atk_bridge_key_listener, NULL);
534 g_object_unref (G_OBJECT (bo));
539 deregister_application (SpiAppData *app)
541 const char *registry = spi_atk_bridge_get_registry ();
542 bridge_threads_leave ();
544 bridge_threads_enter ();
548 spi_atk_bridge_exit_func (void)
550 SpiAppData *app = (SpiAppData *) this_app;
552 DBG (1, g_message ("exiting bridge\n"));
558 if (atk_bridge_pid != getpid ())
563 during_init_shutdown = TRUE;
566 * Check whether we still have windows which have not been deleted.
568 spi_atk_tidy_windows ();
570 * FIXME: this may be incorrect for apps that do their own bonobo
571 * shutdown, until we can explicitly shutdown to get the ordering
575 deregister_application (this_app);
577 DBG (1, g_message ("bridge exit func complete.\n"));
579 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
583 XCloseDisplay (bridge_display);
587 gnome_accessibility_module_init (void)
589 atk_bridge_init (NULL, NULL);
591 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
593 g_print("Atk Accessibility bridge initialized\n");
598 gnome_accessibility_module_shutdown (void)
601 GArray *ids = listener_ids;
603 if (!atk_bridge_initialized)
607 during_init_shutdown = TRUE;
608 atk_bridge_initialized = FALSE;
610 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
612 g_print("Atk Accessibility bridge shutdown\n");
616 if (atk_bridge_focus_tracker_id)
617 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
619 for (i = 0; ids && i < ids->len; i++)
621 atk_remove_global_event_listener (g_array_index (ids, guint, i));
624 if (atk_bridge_key_event_listener_id)
625 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
627 deregister_application (this_app);
633 static void emit(AtkObject *object, const char *name, int first_arg_type, ...)
637 char *path = spi_dbus_get_path(object);
639 spi_dbus_update_cache(&this_app->droute);
640 sig = dbus_message_new_signal(path, "org.freedesktop.atspi.Accessible", name);
641 va_start(args, first_arg_type);
642 if (first_arg_type != DBUS_TYPE_INVALID)
644 dbus_message_append_args_valist(sig, first_arg_type, args);
647 dbus_connection_send(this_app->droute.bus, sig, NULL);
649 dbus_message_unref(sig);
653 spi_atk_bridge_focus_tracker (AtkObject *object)
655 emit(object, "focus", DBUS_TYPE_INVALID);
658 static void emit_property_change(AtkObject *object, const char *name, int type, void *val)
661 char *path = spi_dbus_get_path(object);
662 DBusMessageIter iter, sub;
663 const char *type_as_string = NULL;
665 spi_dbus_update_cache(&this_app->droute);
666 if (type == DBUS_TYPE_OBJECT_PATH)
668 type_as_string = "o";
671 else if (type == DBUS_TYPE_STRING) type_as_string = "s";
672 else if (type == DBUS_TYPE_INT32) type_as_string = "i";
673 else if (type == DBUS_TYPE_UINT32) type_as_string = "o";
676 g_warning("Unknown type %d in property change signal", type);
678 sig = dbus_message_new_signal(path, "org.freedesktop.atspi.Accessible", "PropertyChanged");
679 dbus_message_iter_init_append(sig, &iter);
680 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &name);
681 dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, type_as_string, &sub);
682 dbus_message_iter_append_basic(&sub, type, val);
683 dbus_message_iter_close_container(&iter, &sub);
684 dbus_connection_send(this_app->droute.bus, sig, NULL);
686 dbus_message_unref(sig);
689 static void emit_rect(AtkObject *object, const char *name, AtkRectangle *rect)
692 char *path = spi_dbus_get_path(object);
693 DBusMessageIter iter, sub;
694 dbus_uint32_t x, y, width, height;
696 spi_dbus_update_cache(&this_app->droute);
700 height = rect->height;
701 sig = dbus_message_new_signal(path, "org.freedesktop.atspi.Accessible", "PropertyChanged");
704 dbus_message_iter_init_append (sig, &iter);
705 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &name);
706 if (!dbus_message_iter_open_container
707 (&iter, DBUS_TYPE_STRUCT, NULL, &sub))
709 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &x);
710 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &y);
711 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &width);
712 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &height);
713 if (!dbus_message_iter_close_container (&iter, &sub))
716 dbus_connection_send(this_app->droute.bus, sig, NULL);
719 dbus_message_unref(sig);
723 spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
724 guint n_param_values,
725 const GValue *param_values,
728 AtkPropertyValues *values;
730 const gchar *prop_name;
731 const gchar *sp = NULL;
735 const gchar *name = NULL;
737 #ifdef SPI_BRIDGE_DEBUG
738 GSignalQuery signal_query;
739 const gchar *signame;
742 g_signal_query (signal_hint->signal_id, &signal_query);
743 signame = signal_query.signal_name;
745 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
746 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
747 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
748 DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
749 g_type_name (signal_query.itype), signame, values->property_name, s, s2));
753 obj = g_value_get_object (param_values + 0);
754 name = atk_object_get_name (obj);
755 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
757 prop_name = values->property_name;
758 if (strcmp (prop_name, "accessible-name") == 0)
760 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
762 else if (strcmp (prop_name, "accessible-description") == 0)
764 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
766 else if (strcmp (prop_name, "accessible-parent") == 0)
768 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
770 else if (strcmp (prop_name, "accessible-table-summary") == 0)
772 ao = atk_table_get_summary (ATK_TABLE (obj));
773 s_ao = spi_dbus_get_path(ao);
774 emit_property_change(obj, prop_name, DBUS_TYPE_OBJECT_PATH, s_ao);
776 else if (strcmp (prop_name, "accessible-table-column-header") == 0)
778 i = g_value_get_int (&(values->new_value));
779 ao = atk_table_get_column_header (ATK_TABLE (obj), i);
780 s_ao = spi_dbus_get_path(ao);
781 emit_property_change(obj, prop_name, DBUS_TYPE_OBJECT_PATH, s_ao);
783 else if (strcmp (prop_name, "accessible-table-row-header") == 0)
785 i = g_value_get_int (&(values->new_value));
786 ao = atk_table_get_row_header (ATK_TABLE (obj), i);
787 s_ao = spi_dbus_get_path(ao);
788 emit_property_change(obj, prop_name, DBUS_TYPE_OBJECT_PATH, s_ao);
790 else if (strcmp (prop_name, "accessible-table-row-description") == 0)
792 i = g_value_get_int (&(values->new_value));
793 sp = atk_table_get_row_description (ATK_TABLE (obj), i);
794 emit_property_change(obj, prop_name, DBUS_TYPE_STRING, (void *)&sp);
796 else if (strcmp (prop_name, "accessible-table-column-description") == 0)
798 i = g_value_get_int (&(values->new_value));
799 sp = atk_table_get_column_description (ATK_TABLE(obj), i);
800 emit_property_change(obj, prop_name, DBUS_TYPE_STRING, (void *)&sp);
802 else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
804 ao = atk_table_get_caption (ATK_TABLE(obj));
805 sp = atk_object_get_name (ao);
806 emit_property_change(obj, prop_name, DBUS_TYPE_STRING, (void *)&sp);
811 emit_property_change(obj, prop_name, DBUS_TYPE_INT32, &v);
813 if (s_ao) g_free(s_ao);
818 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
819 guint n_param_values,
820 const GValue *param_values,
824 gchar *property_name;
825 unsigned long detail1;
826 #ifdef SPI_BRIDGE_DEBUG
827 GSignalQuery signal_query;
830 g_signal_query (signal_hint->signal_id, &signal_query);
831 name = signal_query.signal_name;
832 fprintf (stderr, "Received (state) signal %s:%s\n",
833 g_type_name (signal_query.itype), name);
836 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
837 property_name = g_strdup (g_value_get_string (param_values + 1));
838 /* Ignore defunct for now; we'll send a tree update to remove it when
839 the object goes away */
840 /* Also ignore state changes for objects not yet broadcast */
841 if ((property_name && !strcmp(property_name, "defunct")) ||
842 !spi_dbus_object_is_known(obj))
844 g_free(property_name);
847 detail1 = (g_value_get_boolean (param_values + 2))
849 emit(obj, "StateChanged", DBUS_TYPE_STRING, &property_name, DBUS_TYPE_UINT32, &detail1, DBUS_TYPE_INVALID);
850 g_free (property_name);
855 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
856 AtkKeyEventStruct *event)
861 g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
866 { /* this doesn't really need translating */
867 g_print (_("WARNING: NULL key event reported."));
870 keystroke->id = (dbus_int32_t) event->keyval;
871 keystroke->hw_code = (dbus_int16_t) event->keycode;
872 keystroke->timestamp = (dbus_uint32_t) event->timestamp;
873 keystroke->modifiers = (dbus_uint16_t) (event->state & 0xFFFF);
878 keystroke->event_string = g_strdup (event->string);
879 c = g_utf8_get_char_validated (event->string, -1);
880 if (c > 0 && g_unichar_isprint (c))
881 keystroke->is_text = TRUE;
883 keystroke->is_text = FALSE;
887 keystroke->event_string = g_strdup ("");
888 keystroke->is_text = FALSE;
892 case (ATK_KEY_EVENT_PRESS):
893 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
895 case (ATK_KEY_EVENT_RELEASE):
896 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
903 g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
904 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
905 (int) keystroke->modifiers,
906 keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
910 static gboolean Accessibility_DeviceEventController_notifyListenersSync(const Accessibility_DeviceEvent *key_event)
912 DBusMessage *message = dbus_message_new_method_call(SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_REGISTRY, "org.freedesktop.atspi.DeviceEventController", "notifyListenersSync");
914 dbus_bool_t consumed = FALSE;
916 dbus_error_init(&error);
917 if (spi_dbus_marshall_deviceEvent(message, key_event))
919 DBusMessage *reply = dbus_connection_send_with_reply_and_block(this_app->droute.bus, message, 1000, &error);
923 dbus_error_init(&error);
924 dbus_message_get_args(reply, &error, DBUS_TYPE_BOOLEAN, &consumed, DBUS_TYPE_INVALID);
925 dbus_message_unref(reply);
928 dbus_message_unref(message);
933 spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
936 Accessibility_DeviceEvent key_event;
938 spi_init_keystroke_from_atk_key_event (&key_event, event);
940 bridge_threads_leave ();
941 result = Accessibility_DeviceEventController_notifyListenersSync (&key_event);
942 bridge_threads_enter ();
944 if (key_event.event_string) g_free (key_event.event_string);
950 spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
951 guint n_param_values,
952 const GValue *param_values,
956 GSignalQuery signal_query;
961 gint detail1 = 0, detail2 = 0;
965 #ifdef SPI_BRIDGE_DEBUG
969 g_signal_query (signal_hint->signal_id, &signal_query);
971 name = signal_query.signal_name;
972 if (signal_hint->detail)
974 detail = g_quark_to_string (signal_hint->detail);
975 sig_name = g_strdup_printf("object_%s_%s", name, detail);
980 sig_name = g_strdup_printf("object_%s", name);
982 while ((p = strchr(sig_name, '-')) != NULL) *p = '_';
984 #ifdef SPI_BRIDGE_DEBUG
985 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
986 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
987 fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
988 g_type_name (signal_query.itype), name,
989 detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
992 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
994 if (signal_query.signal_id == atk_signal_active_descendant_changed)
996 gpointer child = g_value_get_pointer (param_values + 1);
998 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
1000 ao = ATK_OBJECT (child);
1002 detail1 = atk_object_get_index_in_parent (ao);
1003 s_ao = spi_dbus_get_path(child);
1004 emit(obj, "name", DBUS_TYPE_OBJECT_PATH, s_ao, DBUS_TYPE_UINT32, &detail1, DBUS_TYPE_INVALID);
1007 else if (signal_query.signal_id == atk_signal_link_selected)
1009 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1010 detail1 = g_value_get_int (param_values + 1);
1011 emit(obj, "LinkSelected", DBUS_TYPE_UINT32, &detail1, DBUS_TYPE_INVALID);
1013 else if (signal_query.signal_id == atk_signal_bounds_changed)
1015 AtkRectangle *atk_rect = NULL;
1017 if (G_VALUE_HOLDS_BOXED (param_values + 1))
1018 atk_rect = g_value_get_boxed (param_values + 1);
1019 emit_rect(obj, "BoundsChanged", atk_rect);
1021 else if ((signal_query.signal_id == atk_signal_children_changed) && obj)
1023 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
1027 if (n_param_values >= 2)
1029 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1030 detail1 = g_value_get_int (param_values + 1);
1031 if (n_param_values >= 3)
1033 if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
1034 detail2 = g_value_get_int (param_values + 2);
1038 if (signal_query.signal_id == atk_signal_text_changed)
1040 sp = atk_text_get_text (ATK_TEXT (obj),
1043 emit(obj, sig_name, DBUS_TYPE_UINT32, &detail1, DBUS_TYPE_UINT32, &detail2, DBUS_TYPE_STRING, &sp, DBUS_TYPE_INVALID);
1045 else if (signal_query.signal_id == atk_signal_text_selection_changed)
1047 /* Return NULL as the selected string */
1049 emit(obj, sig_name, DBUS_TYPE_INVALID);
1053 emit(obj, sig_name, DBUS_TYPE_INVALID);
1068 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
1069 guint n_param_values,
1070 const GValue *param_values,
1074 GSignalQuery signal_query;
1075 const gchar *name, *s;
1076 #ifdef SPI_BRIDGE_DEBUG
1080 g_signal_query (signal_hint->signal_id, &signal_query);
1082 name = signal_query.signal_name;
1085 #ifdef SPI_BRIDGE_DEBUG
1086 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1087 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1088 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1089 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1092 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
1094 s = atk_object_get_name (obj);
1095 sig_name = g_strdup_printf("window_%s", name);
1096 emit(obj, sig_name, DBUS_TYPE_STRING, &s, DBUS_TYPE_INVALID);
1103 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
1104 guint n_param_values,
1105 const GValue *param_values,
1109 GSignalQuery signal_query;
1110 const gchar *name, *s;
1112 #ifdef SPI_BRIDGE_DEBUG
1116 g_signal_query (signal_hint->signal_id, &signal_query);
1118 name = signal_query.signal_name;
1120 #ifdef SPI_BRIDGE_DEBUG
1121 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1122 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1123 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1124 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1127 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
1129 s = atk_object_get_name (obj);
1130 sig_name = g_strdup_printf("document_%s", name);
1131 emit(obj, sig_name, DBUS_TYPE_STRING, &s, DBUS_TYPE_INVALID);
1137 spi_atk_tidy_windows (void)
1143 root = atk_get_root ();
1144 n_children = atk_object_get_n_accessible_children (root);
1145 for (i = 0; i < n_children; i++)
1148 AtkStateSet *stateset;
1151 child = atk_object_ref_accessible_child (root, i);
1152 stateset = atk_object_ref_state_set (child);
1154 name = atk_object_get_name (child);
1155 if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
1157 emit(child, "window:deactivate", DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID);
1159 g_object_unref (stateset);
1161 emit(child, "window:destroy", DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID);
1162 g_object_unref (child);
1167 reinit_register_vars (void)
1170 device_event_controller = NULL;