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 if (!dbus_connection_try_register_fallback (ad->droute.bus, "/org/freedesktop/atspi", &droute_vtable, &ad->droute, &error))
202 g_warning("Couldn't register droute.\n");
204 dbus_connection_setup_with_g_main(ad->droute.bus, g_main_context_default());
209 atk_bridge_init (gint *argc, gchar **argv[])
211 const char *debug_env_string = g_getenv ("AT_SPI_DEBUG");
213 gboolean success = FALSE;
215 if (atk_bridge_initialized)
219 atk_bridge_initialized = TRUE;
220 atk_bridge_pid = getpid ();
222 misc = atk_misc_get_instance();
224 if (g_getenv ("ATK_BRIDGE_REDIRECT_LOG"))
226 fname = g_strconcat ("/tmp/", g_get_prgname (), ".at-spi-log", NULL);
227 /* make sure we're not being redirected - security issue */
228 if (!g_file_test (fname, G_FILE_TEST_IS_SYMLINK))
229 freopen (fname, "w", stderr);
233 if (debug_env_string)
234 _dbg = (int) g_ascii_strtod (debug_env_string, NULL);
236 /* Connect to dbus */
237 this_app = spi_app_init (atk_get_root ());
240 * We only want to enable the bridge for top level
241 * applications, we detect bonobo components by seeing
242 * if they were activated with the intention of extracting
243 * an impl. by IID - very solid.
246 // TODO: Figure out if this is still needed
247 if (bonobo_activation_iid_get ())
252 DBG (1, g_message ("Found Bonobo component\n"));
253 g_signal_connect (atk_get_root (),
254 "children-changed::add",
255 (GCallback) spi_atk_bridge_toplevel_added,
257 g_signal_connect (atk_get_root (),
258 "children-changed::remove",
259 (GCallback) spi_atk_bridge_toplevel_removed,
261 /* in this case we redefine 'success' to mean 'registry is present' */
262 success = (spi_atk_bridge_get_registry () != NULL);
266 success = spi_atk_bridge_do_registration ();
269 * we must emit events even if we are not registered as a
270 * full-fledged app; See bugzilla #400709.
274 spi_atk_register_event_listeners ();
275 spi_atk_bridge_init_event_type_consts ();
279 atk_bridge_initialized = FALSE;
281 g_idle_add (post_init, NULL);
287 spi_atk_bridge_do_registration (void)
289 if (spi_atk_bridge_get_registry () == NULL)
291 g_warning ("Could not locate registry");
295 /* Create the accessible application server object */
296 if (this_app == NULL)
297 this_app = spi_app_init (atk_get_root ());
299 DBG (1, g_message ("About to register application\n"));
301 spi_atk_bridge_register_application (spi_atk_bridge_get_registry ());
303 g_atexit (spi_atk_bridge_exit_func);
305 DBG (1, g_message ("Application registered & listening\n"));
310 spi_atk_bridge_toplevel_added (AtkObject *object,
316 spi_atk_bridge_do_registration ();
322 spi_atk_bridge_toplevel_removed (AtkObject *object,
329 deregister_application (this_app);
330 reinit_register_vars ();
334 g_warning ("More toplevels removed than added\n");
340 spi_atk_bridge_register_application (const char *registry)
342 DBusMessage *message, *reply;
345 bridge_threads_leave ();
346 message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_REGISTRY, SPI_DBUS_INTERFACE_REGISTRY, "registerApplication");
347 dbus_error_init (&error);
348 reply = dbus_connection_send_with_reply_and_block(this_app->droute.bus, message, 1000, &error);
349 if (error.message) g_warning (error.message);
350 if (reply) dbus_message_unref (reply);
351 if (message) dbus_message_unref (message);
352 bridge_threads_enter ();
356 * Returns a 'canonicalized' value for DISPLAY,
357 * with the screen number stripped off if present.
360 spi_display_name (void)
362 static const char *canonical_display_name = NULL;
363 if (!canonical_display_name)
365 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
368 display_env = g_getenv ("DISPLAY");
369 if (!display_env || !display_env[0])
370 canonical_display_name = ":0";
373 gchar *display_p, *screen_p;
374 canonical_display_name = g_strdup (display_env);
375 display_p = strrchr (canonical_display_name, ':');
376 screen_p = strrchr (canonical_display_name, '.');
377 if (screen_p && display_p && (screen_p > display_p))
385 canonical_display_name = display_env;
388 return canonical_display_name;
391 static Display *bridge_display = NULL;
394 spi_atk_bridge_get_registry_ior (void)
400 unsigned char *data = NULL;
401 unsigned long nitems;
402 unsigned long leftover;
404 bridge_display = XOpenDisplay (spi_display_name ());
406 AT_SPI_IOR = XInternAtom (bridge_display, "AT_SPI_IOR", False);
407 XGetWindowProperty(bridge_display,
408 XDefaultRootWindow (bridge_display),
411 (Atom) 31, &actual_type, &actual_format,
412 &nitems, &leftover, &data);
414 g_warning (_("AT_SPI_REGISTRY was not started at session startup."));
416 return (gchar *) data;
422 spi_atk_bridge_get_registry (void)
424 // TODO: check for registry dying, as the old code attempted to do
425 return "org.freedesktop.atspi.registry";
429 spi_atk_bridge_get_dec (void)
435 gtk_module_init (gint *argc, gchar **argv[])
437 return atk_bridge_init (argc, argv);
441 add_signal_listener (const char *signal_name)
445 id = atk_add_global_event_listener (
446 spi_atk_bridge_signal_listener, signal_name);
448 g_array_append_val (listener_ids, id);
452 spi_atk_register_event_listeners (void)
455 * kludge to make sure the Atk interface types are registered, otherwise
456 * the AtkText signal handlers below won't get registered
459 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
460 AtkObject *bo = atk_no_op_object_new (ao);
463 if (atk_listeners_registered)
465 g_object_unref (G_OBJECT (bo));
470 atk_listeners_registered = TRUE;
472 /* Register for focus event notifications, and register app with central registry */
474 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
476 atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
478 id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
479 "Gtk:AtkObject:property-change");
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,
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,
500 "window:deactivate");
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-complete");
504 g_array_append_val (listener_ids, id);
505 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
506 "Gtk:AtkDocument:reload");
507 g_array_append_val (listener_ids, id);
508 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
509 "Gtk:AtkDocument:load-stopped");
510 g_array_append_val (listener_ids, id);
511 id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
512 "Gtk:AtkObject:state-change");
513 g_array_append_val (listener_ids, id);
515 add_signal_listener ("Gtk:AtkObject:children-changed");
516 add_signal_listener ("Gtk:AtkObject:visible-data-changed");
517 add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
518 add_signal_listener ("Gtk:AtkComponent:bounds-changed");
519 add_signal_listener ("Gtk:AtkSelection:selection-changed");
520 add_signal_listener ("Gtk:AtkText:text-selection-changed");
521 add_signal_listener ("Gtk:AtkText:text-changed");
522 add_signal_listener ("Gtk:AtkText:text-caret-moved");
523 add_signal_listener ("Gtk:AtkTable:row-inserted");
524 add_signal_listener ("Gtk:AtkTable:row-reordered");
525 add_signal_listener ("Gtk:AtkTable:row-deleted");
526 add_signal_listener ("Gtk:AtkTable:column-inserted");
527 add_signal_listener ("Gtk:AtkTable:column-reordered");
528 add_signal_listener ("Gtk:AtkTable:column-deleted");
529 add_signal_listener ("Gtk:AtkTable:model-changed");
530 add_signal_listener ("Gtk:AtkHypertext:link-selected");
532 * May add the following listeners to implement preemptive key listening for GTK+
534 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
535 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
537 atk_bridge_key_event_listener_id = atk_add_key_event_listener (
538 spi_atk_bridge_key_listener, NULL);
540 g_object_unref (G_OBJECT (bo));
545 deregister_application (SpiAppData *app)
547 const char *registry = spi_atk_bridge_get_registry ();
548 bridge_threads_leave ();
550 bridge_threads_enter ();
554 spi_atk_bridge_exit_func (void)
556 SpiAppData *app = (SpiAppData *) this_app;
558 DBG (1, g_message ("exiting bridge\n"));
564 if (atk_bridge_pid != getpid ())
569 during_init_shutdown = TRUE;
572 * Check whether we still have windows which have not been deleted.
574 spi_atk_tidy_windows ();
576 * FIXME: this may be incorrect for apps that do their own bonobo
577 * shutdown, until we can explicitly shutdown to get the ordering
581 deregister_application (this_app);
583 DBG (1, g_message ("bridge exit func complete.\n"));
585 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
589 XCloseDisplay (bridge_display);
593 gnome_accessibility_module_init (void)
595 atk_bridge_init (NULL, NULL);
597 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
599 g_print("Atk Accessibility bridge initialized\n");
604 gnome_accessibility_module_shutdown (void)
607 GArray *ids = listener_ids;
609 if (!atk_bridge_initialized)
613 during_init_shutdown = TRUE;
614 atk_bridge_initialized = FALSE;
616 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
618 g_print("Atk Accessibility bridge shutdown\n");
622 if (atk_bridge_focus_tracker_id)
623 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
625 for (i = 0; ids && i < ids->len; i++)
627 atk_remove_global_event_listener (g_array_index (ids, guint, i));
630 if (atk_bridge_key_event_listener_id)
631 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
633 deregister_application (this_app);
639 static void emit(AtkObject *object, const char *name, const char *detail, dbus_int32_t detail1, dbus_int32_t detail2, int type, const void *val)
642 char *path = spi_dbus_get_path(object);
643 DBusMessageIter iter, sub;
644 const char *type_as_string = NULL;
645 dbus_int32_t dummy = 0;
647 spi_dbus_update_cache(&this_app->droute);
648 if (type == DBUS_TYPE_OBJECT_PATH)
650 type_as_string = "o";
653 else if (type == DBUS_TYPE_STRING) type_as_string = "s";
654 else if (type == DBUS_TYPE_INT32) type_as_string = "i";
655 else if (type == DBUS_TYPE_UINT32) type_as_string = "u";
656 else if (type == DBUS_TYPE_INVALID)
658 type = DBUS_TYPE_UINT32;
659 type_as_string = "u";
660 if (!val) val = &dummy;
664 g_warning("Unknown type %d in property change signal", type);
666 sig = dbus_message_new_signal(path, "org.freedesktop.atspi.Accessible", name);
667 dbus_message_iter_init_append(sig, &iter);
668 if (!detail) detail = "";
669 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &detail);
670 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
671 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
672 dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, type_as_string, &sub);
673 dbus_message_iter_append_basic(&sub, type, &val);
674 dbus_message_iter_close_container(&iter, &sub);
675 printf("emit: %s %s\n", name, detail);
676 dbus_connection_send(this_app->droute.bus, sig, NULL);
678 dbus_message_unref(sig);
682 spi_atk_bridge_focus_tracker (AtkObject *object)
684 emit(object, "focus", NULL, 0, 0, DBUS_TYPE_INVALID, NULL);
687 static void emit_rect(AtkObject *object, const char *name, const char *detail, AtkRectangle *rect)
690 char *path = spi_dbus_get_path(object);
691 DBusMessageIter iter, iter_variant, sub;
692 dbus_uint32_t x, y, width, height;
693 dbus_int32_t dummy = 0;
695 spi_dbus_update_cache(&this_app->droute);
699 height = rect->height;
700 sig = dbus_message_new_signal(path, "org.freedesktop.atspi.Accessible", name);
701 if (!detail) detail = "";
704 dbus_message_iter_init_append (sig, &iter);
705 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &detail);
706 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &dummy);
707 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &dummy);
708 if (!dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(iiii)", &iter_variant))
710 if (!dbus_message_iter_open_container (&iter_variant, DBUS_TYPE_STRUCT, NULL, &sub))
712 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &x);
713 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &y);
714 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &width);
715 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &height);
716 if (!dbus_message_iter_close_container (&iter_variant, &sub))
718 if (!dbus_message_iter_close_container (&iter, &iter_variant))
721 dbus_connection_send(this_app->droute.bus, sig, NULL);
724 dbus_message_unref(sig);
727 static const char *PropertyChange = "object_property_change";
730 spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
731 guint n_param_values,
732 const GValue *param_values,
735 AtkPropertyValues *values;
737 const gchar *prop_name;
738 const gchar *sp = NULL;
742 const gchar *name = NULL;
744 #ifdef SPI_BRIDGE_DEBUG
745 GSignalQuery signal_query;
746 const gchar *signame;
749 g_signal_query (signal_hint->signal_id, &signal_query);
750 signame = signal_query.signal_name;
752 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
753 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
754 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
755 DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
756 g_type_name (signal_query.itype), signame, values->property_name, s, s2));
760 obj = g_value_get_object (param_values + 0);
761 name = atk_object_get_name (obj);
762 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
764 prop_name = values->property_name;
765 if (strcmp (prop_name, "accessible-name") == 0)
767 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
769 else if (strcmp (prop_name, "accessible-description") == 0)
771 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
773 else if (strcmp (prop_name, "accessible-parent") == 0)
775 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
777 else if (strcmp (prop_name, "accessible-table-summary") == 0)
779 ao = atk_table_get_summary (ATK_TABLE (obj));
780 s_ao = spi_dbus_get_path(ao);
781 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
783 else if (strcmp (prop_name, "accessible-table-column-header") == 0)
785 i = g_value_get_int (&(values->new_value));
786 ao = atk_table_get_column_header (ATK_TABLE (obj), i);
787 s_ao = spi_dbus_get_path(ao);
788 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
790 else if (strcmp (prop_name, "accessible-table-row-header") == 0)
792 i = g_value_get_int (&(values->new_value));
793 ao = atk_table_get_row_header (ATK_TABLE (obj), i);
794 s_ao = spi_dbus_get_path(ao);
795 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
797 else if (strcmp (prop_name, "accessible-table-row-description") == 0)
799 i = g_value_get_int (&(values->new_value));
800 sp = atk_table_get_row_description (ATK_TABLE (obj), i);
801 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, sp);
803 else if (strcmp (prop_name, "accessible-table-column-description") == 0)
805 i = g_value_get_int (&(values->new_value));
806 sp = atk_table_get_column_description (ATK_TABLE(obj), i);
807 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, sp);
809 else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
811 ao = atk_table_get_caption (ATK_TABLE(obj));
812 sp = atk_object_get_name (ao);
813 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, sp);
817 emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_INVALID, NULL);
819 if (s_ao) g_free(s_ao);
824 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
825 guint n_param_values,
826 const GValue *param_values,
830 gchar *property_name;
831 unsigned long detail1;
832 #ifdef SPI_BRIDGE_DEBUG
833 GSignalQuery signal_query;
836 g_signal_query (signal_hint->signal_id, &signal_query);
837 name = signal_query.signal_name;
838 fprintf (stderr, "Received (state) signal %s:%s\n",
839 g_type_name (signal_query.itype), name);
842 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
843 property_name = g_strdup (g_value_get_string (param_values + 1));
844 /* Ignore defunct for now; we'll send a tree update to remove it when
845 the object goes away */
846 /* Also ignore state changes for objects not yet broadcast */
847 if ((property_name && !strcmp(property_name, "defunct")) ||
848 !spi_dbus_object_is_known(obj))
850 g_free(property_name);
853 detail1 = (g_value_get_boolean (param_values + 2))
855 emit(obj, "object_state_changed", property_name, detail1, 0, DBUS_TYPE_INVALID, NULL);
856 g_free (property_name);
861 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
862 AtkKeyEventStruct *event)
867 g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
872 { /* this doesn't really need translating */
873 g_print (_("WARNING: NULL key event reported."));
876 keystroke->id = (dbus_int32_t) event->keyval;
877 keystroke->hw_code = (dbus_int16_t) event->keycode;
878 keystroke->timestamp = (dbus_uint32_t) event->timestamp;
879 keystroke->modifiers = (dbus_uint16_t) (event->state & 0xFFFF);
884 keystroke->event_string = g_strdup (event->string);
885 c = g_utf8_get_char_validated (event->string, -1);
886 if (c > 0 && g_unichar_isprint (c))
887 keystroke->is_text = TRUE;
889 keystroke->is_text = FALSE;
893 keystroke->event_string = g_strdup ("");
894 keystroke->is_text = FALSE;
898 case (ATK_KEY_EVENT_PRESS):
899 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
901 case (ATK_KEY_EVENT_RELEASE):
902 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
909 g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
910 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
911 (int) keystroke->modifiers,
912 keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
916 static gboolean Accessibility_DeviceEventController_notifyListenersSync(const Accessibility_DeviceEvent *key_event)
918 DBusMessage *message = dbus_message_new_method_call(SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_REGISTRY, "org.freedesktop.atspi.DeviceEventController", "notifyListenersSync");
920 dbus_bool_t consumed = FALSE;
922 dbus_error_init(&error);
923 if (spi_dbus_marshal_deviceEvent(message, key_event))
925 DBusMessage *reply = dbus_connection_send_with_reply_and_block(this_app->droute.bus, message, 1000, &error);
929 dbus_error_init(&error);
930 dbus_message_get_args(reply, &error, DBUS_TYPE_BOOLEAN, &consumed, DBUS_TYPE_INVALID);
931 dbus_message_unref(reply);
934 dbus_message_unref(message);
939 spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
942 Accessibility_DeviceEvent key_event;
944 spi_init_keystroke_from_atk_key_event (&key_event, event);
946 bridge_threads_leave ();
947 result = Accessibility_DeviceEventController_notifyListenersSync (&key_event);
948 bridge_threads_enter ();
950 if (key_event.event_string) g_free (key_event.event_string);
956 spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
957 guint n_param_values,
958 const GValue *param_values,
962 GSignalQuery signal_query;
964 const gchar *detail = NULL;
967 gint detail1 = 0, detail2 = 0;
971 #ifdef SPI_BRIDGE_DEBUG
975 g_signal_query (signal_hint->signal_id, &signal_query);
977 name = signal_query.signal_name;
978 if (signal_hint->detail)
980 detail = g_quark_to_string (signal_hint->detail);
982 sig_name = g_strdup_printf("object_%s", name);
983 while ((p = strchr(sig_name, '-')) != NULL) *p = '_';
985 #ifdef SPI_BRIDGE_DEBUG
986 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
987 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
988 fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
989 g_type_name (signal_query.itype), name,
990 detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
993 obj = ATK_OBJECT(g_value_get_object (param_values + 0));
995 if (signal_query.signal_id == atk_signal_active_descendant_changed)
997 gpointer child = g_value_get_pointer (param_values + 1);
999 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
1001 ao = ATK_OBJECT (child);
1003 detail1 = atk_object_get_index_in_parent (ao);
1004 s_ao = spi_dbus_get_path(child);
1005 emit(obj, sig_name, detail, detail1, 0, DBUS_TYPE_OBJECT_PATH, s_ao);
1008 else if (signal_query.signal_id == atk_signal_link_selected)
1010 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1011 detail1 = g_value_get_int (param_values + 1);
1012 emit(obj, sig_name, detail, detail1, 0, DBUS_TYPE_INVALID, NULL);
1014 else if (signal_query.signal_id == atk_signal_bounds_changed)
1016 AtkRectangle *atk_rect = NULL;
1018 if (G_VALUE_HOLDS_BOXED (param_values + 1))
1019 atk_rect = g_value_get_boxed (param_values + 1);
1020 emit_rect(obj, sig_name, detail, atk_rect);
1022 else if ((signal_query.signal_id == atk_signal_children_changed) && obj)
1024 spi_dbus_notify_change(obj, FALSE, &this_app->droute);
1028 if (n_param_values >= 2)
1030 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1031 detail1 = g_value_get_int (param_values + 1);
1032 if (n_param_values >= 3)
1034 if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
1035 detail2 = g_value_get_int (param_values + 2);
1039 if (signal_query.signal_id == atk_signal_text_changed)
1041 sp = atk_text_get_text (ATK_TEXT (obj),
1044 emit(obj, sig_name, detail, detail1, detail2, DBUS_TYPE_STRING, sp);
1046 else if (signal_query.signal_id == atk_signal_text_selection_changed)
1048 /* Return NULL as the selected string */
1049 emit(obj, sig_name, detail, detail1, detail2, DBUS_TYPE_STRING, "");
1053 emit(obj, sig_name, detail, 0, 0, DBUS_TYPE_INVALID, NULL);
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, NULL, 0, 0, DBUS_TYPE_STRING, s);
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, NULL, 0, 0, DBUS_TYPE_STRING, s);
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", NULL, 0, 0, DBUS_TYPE_STRING, name);
1159 g_object_unref (stateset);
1161 emit(child, "window:destroy", NULL, 0, 0, DBUS_TYPE_STRING, name);
1162 g_object_unref (child);
1167 reinit_register_vars (void)
1170 device_event_controller = NULL;