2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2002 Sun Microsystems Inc.,
6 * Copyright 2001, 2002 Ximian, Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
26 * Basic SPI initialization and event loop function prototypes
30 #include "atspi-private.h"
35 static DBusConnection *bus = NULL;
36 static GHashTable *apps = NULL;
37 static GHashTable *live_refs = NULL;
38 static GQueue *exception_handlers = NULL;
39 static DBusError exception;
41 const char *atspi_path_dec = ATSPI_DBUS_PATH_DEC;
42 const char *atspi_path_registry = ATSPI_DBUS_PATH_REGISTRY;
43 const char *atspi_path_root = ATSPI_DBUS_PATH_ROOT;
44 const char *atspi_bus_registry = ATSPI_DBUS_NAME_REGISTRY;
45 const char *atspi_interface_accessible = ATSPI_DBUS_INTERFACE_ACCESSIBLE;
46 const char *atspi_interface_action = ATSPI_DBUS_INTERFACE_ACTION;
47 const char *atspi_interface_application = ATSPI_DBUS_INTERFACE_APPLICATION;
48 const char *atspi_interface_collection = ATSPI_DBUS_INTERFACE_COLLECTION;
49 const char *atspi_interface_component = ATSPI_DBUS_INTERFACE_COMPONENT;
50 const char *atspi_interface_dec = ATSPI_DBUS_INTERFACE_DEC;
51 const char *atspi_interface_device_event_listener = ATSPI_DBUS_INTERFACE_DEVICE_EVENT_LISTENER;
52 const char *atspi_interface_document = ATSPI_DBUS_INTERFACE_DOCUMENT;
53 const char *atspi_interface_editable_text = ATSPI_DBUS_INTERFACE_EDITABLE_TEXT;
54 const char *atspi_interface_event_object = ATSPI_DBUS_INTERFACE_EVENT_OBJECT;
55 const char *atspi_interface_hyperlink = ATSPI_DBUS_INTERFACE_HYPERLINK;
56 const char *atspi_interface_hypertext = ATSPI_DBUS_INTERFACE_HYPERTEXT;
57 const char *atspi_interface_image = ATSPI_DBUS_INTERFACE_IMAGE;
58 const char *atspi_interface_registry = ATSPI_DBUS_INTERFACE_REGISTRY;
59 const char *atspi_interface_selection = ATSPI_DBUS_INTERFACE_SELECTION;
60 const char *atspi_interface_table = ATSPI_DBUS_INTERFACE_TABLE;
61 const char *atspi_interface_text = ATSPI_DBUS_INTERFACE_TEXT;
62 const char *atspi_interface_cache = ATSPI_DBUS_INTERFACE_CACHE;
63 const char *atspi_interface_value = ATSPI_DBUS_INTERFACE_VALUE;
65 static const char *interfaces[] =
67 ATSPI_DBUS_INTERFACE_ACCESSIBLE,
68 ATSPI_DBUS_INTERFACE_ACTION,
69 ATSPI_DBUS_INTERFACE_APPLICATION,
70 ATSPI_DBUS_INTERFACE_COLLECTION,
71 ATSPI_DBUS_INTERFACE_COMPONENT,
72 ATSPI_DBUS_INTERFACE_DOCUMENT,
73 ATSPI_DBUS_INTERFACE_EDITABLE_TEXT,
74 ATSPI_DBUS_INTERFACE_HYPERLINK,
75 ATSPI_DBUS_INTERFACE_HYPERTEXT,
76 ATSPI_DBUS_INTERFACE_IMAGE,
77 "org.a11y.atspi.LoginHelper",
78 ATSPI_DBUS_INTERFACE_SELECTION,
79 ATSPI_DBUS_INTERFACE_TABLE,
80 ATSPI_DBUS_INTERFACE_TEXT,
81 ATSPI_DBUS_INTERFACE_VALUE,
86 _atspi_get_iface_num (const char *iface)
88 /* TODO: Use a binary search or hash to improve performance */
91 for (i = 0; interfaces[i]; i++)
93 if (!strcmp(iface, interfaces[i])) return i;
103 live_refs = g_hash_table_new (g_direct_hash, g_direct_equal);
108 /* TODO: Add an application parameter */
117 #define APP_IS_REGISTRY(app) (!strcmp (app->bus_name, atspi_bus_registry))
128 g_hash_table_destroy (refs);
132 static gboolean atspi_inited = FALSE;
134 static GHashTable *app_hash = NULL;
136 static AtspiApplication *
137 get_application (const char *bus_name)
139 AtspiApplication *app = NULL;
144 app_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify)g_hash_table_unref);
145 if (!app_hash) return NULL;
147 app = g_hash_table_lookup (app_hash, bus_name);
149 bus_name_dup = g_strdup (bus_name);
150 if (!bus_name_dup) return NULL;
151 // TODO: change below to something that will send state-change:defunct notification if necessary */
152 app = _atspi_application_new (bus_name);
153 if (!app) return NULL;
154 app->bus_name = bus_name_dup;
155 app->hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
156 g_hash_table_insert (app_hash, bus_name_dup, app);
160 static AtspiAccessible *
161 ref_accessible (const char *app_name, const char *path)
163 AtspiApplication *app = get_application (app_name);
166 if (!strcmp (path, ATSPI_DBUS_PATH_NULL))
169 if (!strcmp (path, "/org/a11y/atspi/accessible/root"))
173 app->root = atspi_accessible_new (app, atspi_path_root);
174 app->root->accessible_parent = atspi_get_desktop (0);
176 return g_object_ref (app->root);
179 a = g_hash_table_lookup (app->hash, path);
182 return g_object_ref (a);
184 a = atspi_accessible_new (app, path);
187 g_hash_table_insert (app->hash, a->parent.path, a);
188 g_object_ref (a); /* for the hash */
192 static AtspiHyperlink *
193 ref_hyperlink (const char *app_name, const char *path)
195 AtspiApplication *app = get_application (app_name);
196 AtspiHyperlink *hyperlink;
198 if (!strcmp (path, ATSPI_DBUS_PATH_NULL))
201 hyperlink = g_hash_table_lookup (app->hash, path);
204 return g_object_ref (hyperlink);
206 hyperlink = atspi_hyperlink_new (app, path);
209 g_hash_table_insert (app->hash, hyperlink->parent.path, hyperlink);
210 /* TODO: This should be a weak ref */
211 g_object_ref (hyperlink); /* for the hash */
224 GArray *state_bitflags;
227 static DBusHandlerResult
228 handle_remove_accessible (DBusConnection *bus, DBusMessage *message, void *user_data)
230 const char *sender = dbus_message_get_sender (message);
231 AtspiApplication *app;
233 DBusMessageIter iter, iter_struct;
234 const char *signature = dbus_message_get_signature (message);
238 if (strcmp (signature, "(so)") != 0)
240 g_warning ("at-spi: Unknown signature %s for RemoveAccessible", signature);
241 return DBUS_HANDLER_RESULT_HANDLED;
244 dbus_message_iter_init (message, &iter);
245 dbus_message_iter_recurse (&iter, &iter_struct);
246 dbus_message_iter_get_basic (&iter_struct, &sender);
247 dbus_message_iter_get_basic (&iter_struct, &path);
248 app = get_application (sender);
249 a = ref_accessible (sender, path);
251 return DBUS_HANDLER_RESULT_HANDLED;
252 if (a->accessible_parent && g_list_find (a->accessible_parent->children, a))
254 a->accessible_parent->children = g_list_remove (a->accessible_parent->children, a);
257 g_hash_table_remove (app->hash, app->bus_name);
258 g_object_unref (a); /* unref our own ref */
259 return DBUS_HANDLER_RESULT_HANDLED;
263 add_app_to_desktop (AtspiAccessible *a, const char *bus_name)
268 dbus_error_init (&error);
269 AtspiAccessible *obj = ref_accessible (bus_name, atspi_path_root);
272 GList *new_list = g_list_append (a->children, obj);
275 a->children = new_list;
281 g_warning ("Error calling getRoot for %s: %s", bus_name, error.message);
287 send_children_changed (AtspiAccessible *parent, AtspiAccessible *child, gboolean add)
291 memset (&e, 0, sizeof (e));
292 e.type = (add? "object:children-changed:add": "object:children-changed:remove");
294 e.detail1 = g_list_index (parent->children, child);
296 _atspi_send_event (&e);
300 unref_object_and_descendants (AtspiAccessible *obj)
304 for (l = obj->children; l; l = l->next)
306 unref_object_and_descendants (l->data);
308 g_object_unref (obj);
312 remove_app_from_desktop (AtspiAccessible *a, const char *bus_name)
315 AtspiAccessible *child;
317 for (l = a->children; l; l = l->next)
320 if (!strcmp (bus_name, child->parent.app->bus_name)) break;
324 g_warning ("Removing unregistered app %s; doing nothing\n", bus_name);
327 send_children_changed (a, child, FALSE);
328 a->children = g_list_remove (a->children, child);
329 unref_object_and_descendants (child);
333 static AtspiAccessible *desktop;
336 get_reference_from_iter (DBusMessageIter *iter, const char **app_name, const char **path)
338 DBusMessageIter iter_struct;
340 dbus_message_iter_recurse (iter, &iter_struct);
341 dbus_message_iter_get_basic (&iter_struct, app_name);
342 dbus_message_iter_next (&iter_struct);
343 dbus_message_iter_get_basic (&iter_struct, path);
344 dbus_message_iter_next (iter);
348 add_accessible_from_iter (DBusMessageIter *iter)
352 DBusMessageIter iter_struct, iter_array;
353 const char *app_name, *path;
354 AtspiApplication *app;
355 AtspiAccessible *accessible;
356 const char *name, *description;
359 dbus_message_iter_recurse (iter, &iter_struct);
362 get_reference_from_iter (&iter_struct, &app_name, &path);
363 accessible = ref_accessible (app_name, path);
367 /* Get application: TODO */
368 dbus_message_iter_next (&iter_struct);
371 get_reference_from_iter (&iter_struct, &app_name, &path);
372 accessible->accessible_parent = ref_accessible (app_name, path);
375 dbus_message_iter_recurse (&iter_struct, &iter_array);
376 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
378 AtspiAccessible *child;
379 get_reference_from_iter (&iter_array, &app_name, &path);
380 child = ref_accessible (app_name, path);
381 new_list = g_list_append (accessible->children, child);
382 if (new_list) accessible->children = new_list;
386 dbus_message_iter_next (&iter_struct);
387 _atspi_dbus_set_interfaces (accessible, &iter_struct);
388 dbus_message_iter_next (&iter_struct);
391 dbus_message_iter_get_basic (&iter_struct, &name);
392 accessible->name = g_strdup (name);
393 dbus_message_iter_next (&iter_struct);
396 dbus_message_iter_get_basic (&iter_struct, &role);
397 accessible->role = role;
398 dbus_message_iter_next (&iter_struct);
401 dbus_message_iter_get_basic (&iter_struct, &description);
402 accessible->description = g_strdup (description);
403 dbus_message_iter_next (&iter_struct);
405 _atspi_dbus_set_state (accessible, &iter_struct);
406 dbus_message_iter_next (&iter_struct);
408 /* This is a bit of a hack since the cache holds a ref, so we don't need
409 * the one provided for us anymore */
410 g_object_unref (accessible);
414 add_accessibles (const char *app_name)
417 DBusMessage *message, *reply;
418 DBusMessageIter iter, iter_array;
420 AtspiApplication *app = get_application (app_name);
421 /* TODO: Move this functionality into app initializer? */
422 dbus_error_init (&error);
423 message = dbus_message_new_method_call (app_name, "/org/a11y/atspi/cache", atspi_interface_cache, "GetItems");
424 reply = _atspi_dbus_send_with_reply_and_block (message);
425 if (!reply || strcmp (dbus_message_get_signature (reply), "a((so)(so)(so)a(so)assusau)") != 0)
427 g_warning ("at-spi: Error in GetItems");
430 dbus_message_unref (reply);
432 dbus_message_iter_init (reply, &iter);
433 dbus_message_iter_recurse (&iter, &iter_array);
434 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
436 add_accessible_from_iter (&iter_array);
437 dbus_message_iter_next (&iter_array);
439 dbus_message_unref (reply);
442 /* TODO: Do we stil need this function? */
443 static AtspiAccessible *
444 ref_accessible_desktop (AtspiApplication *app)
450 DBusMessage *message, *reply;
451 DBusMessageIter iter, iter_array;
455 g_object_ref (desktop);
458 desktop = atspi_accessible_new (app, atspi_path_root);
463 g_hash_table_insert (app->hash, desktop->parent.path, desktop);
464 g_object_ref (desktop); /* for the hash */
465 desktop->name = g_strdup ("main");
466 dbus_error_init (&error);
467 message = dbus_message_new_method_call (atspi_bus_registry,
469 atspi_interface_accessible,
473 reply = _atspi_dbus_send_with_reply_and_block (message);
474 if (!reply || strcmp (dbus_message_get_signature (reply), "a(so)") != 0)
476 g_error ("Couldn't get application list: %s", error.message);
478 dbus_message_unref (reply);
481 dbus_message_iter_init (reply, &iter);
482 dbus_message_iter_recurse (&iter, &iter_array);
483 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
485 const char *app_name, *path;
486 get_reference_from_iter (&iter_array, &app_name, &path);
487 add_accessibles (app_name);
488 add_app_to_desktop (desktop, app_name);
490 dbus_message_unref (reply);
495 _atspi_ref_accessible (const char *app, const char *path)
497 AtspiApplication *a = get_application (app);
499 if ( APP_IS_REGISTRY(a))
501 return ref_accessible_desktop (a);
503 return ref_accessible (app, path);
507 _atspi_dbus_return_accessible_from_message (DBusMessage *message)
509 DBusMessageIter iter;
510 AtspiAccessible *retval = NULL;
511 const char *signature = dbus_message_get_signature (message);
513 if (!strcmp (signature, "(so)"))
515 dbus_message_iter_init (message, &iter);
516 retval = _atspi_dbus_return_accessible_from_iter (&iter);
520 g_warning ("Atspi: Called _atspi_dbus_return_accessible_from_message with strange signature %s", signature);
522 dbus_message_unref (message);
527 _atspi_dbus_return_accessible_from_iter (DBusMessageIter *iter)
529 const char *app_name, *path;
531 get_reference_from_iter (iter, &app_name, &path);
532 return ref_accessible (app_name, path);
536 _atspi_dbus_return_hyperlink_from_message (DBusMessage *message)
538 DBusMessageIter iter;
539 AtspiHyperlink *retval = NULL;
540 const char *signature = dbus_message_get_signature (message);
542 if (!strcmp (signature, "(so)"))
544 dbus_message_iter_init (message, &iter);
545 retval = _atspi_dbus_return_hyperlink_from_iter (&iter);
549 g_warning ("Atspi: Called _atspi_dbus_return_hyperlink_from_message with strange signature %s", signature);
551 dbus_message_unref (message);
556 _atspi_dbus_return_hyperlink_from_iter (DBusMessageIter *iter)
558 const char *app_name, *path;
560 get_reference_from_iter (iter, &app_name, &path);
561 return ref_hyperlink (app_name, path);
564 const char *cache_signal_type = "((so)(so)(so)a(so)assusau)";
566 static DBusHandlerResult
567 handle_add_accessible (DBusConnection *bus, DBusMessage *message, void *user_data)
569 DBusMessageIter iter;
570 const char *sender = dbus_message_get_sender (message);
571 AtspiApplication *app = get_application (sender);
572 const char *type = cache_signal_type;
574 if (strcmp (dbus_message_get_signature (message), cache_signal_type) != 0)
576 g_warning ("atspi: AddAccessible with unknown signature %s\n", dbus_message_get_signature (message));
580 dbus_message_iter_init (message, &iter);
581 add_accessible_from_iter (&iter);
587 DBusMessage *message;
591 static guint process_deferred_messages_id = -1;
594 process_deferred_message (BusDataClosure *closure)
596 int type = dbus_message_get_type (closure->message);
597 const char *interface = dbus_message_get_interface (closure->message);
598 const char *member = dbus_message_get_member (closure->message);
602 if (type == DBUS_MESSAGE_TYPE_SIGNAL &&
603 !strncmp (interface, "org.a11y.atspi.Event.", 21))
605 atspi_dbus_handle_event (closure->bus, closure->message, closure->data);
607 if (dbus_message_is_method_call (closure->message, atspi_interface_device_event_listener, "NotifyEvent"))
609 atspi_dbus_handle_DeviceEvent (closure->bus,
610 closure->message, closure->data);
612 if (dbus_message_is_signal (closure->message, atspi_interface_cache, "AddAccessible"))
614 handle_add_accessible (closure->bus, closure->message, closure->data);
616 if (dbus_message_is_signal (closure->message, atspi_interface_cache, "RemoveAccessible"))
618 handle_remove_accessible (closure->bus, closure->message, closure->data);
622 static GList *deferred_messages = NULL;
625 _atspi_process_deferred_messages (gpointer data)
627 static int in_process_deferred_messages = 0;
629 if (in_process_deferred_messages)
631 in_process_deferred_messages = 1;
632 while (deferred_messages != NULL)
634 BusDataClosure *closure = deferred_messages->data;
635 process_deferred_message (closure);
636 deferred_messages = g_list_remove (deferred_messages, closure);
637 dbus_message_unref (closure->message);
638 dbus_connection_unref (closure->bus);
641 /* If data is NULL, assume that we were called from GLib */
643 process_deferred_messages_id = -1;
644 in_process_deferred_messages = 0;
648 static DBusHandlerResult
649 defer_message (DBusConnection *connection, DBusMessage *message, void *user_data)
651 BusDataClosure *closure = g_new (BusDataClosure, 1);
655 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
656 closure->bus = dbus_connection_ref (bus);
657 closure->message = dbus_message_ref (message);
658 closure->data = user_data;
660 new_list = g_list_append (deferred_messages, closure);
662 deferred_messages = new_list;
664 if (process_deferred_messages_id == -1)
665 process_deferred_messages_id = g_idle_add (_atspi_process_deferred_messages, NULL);
666 return DBUS_HANDLER_RESULT_HANDLED;
669 static DBusHandlerResult
670 atspi_dbus_filter (DBusConnection *bus, DBusMessage *message, void *data)
672 int type = dbus_message_get_type (message);
673 const char *interface = dbus_message_get_interface (message);
674 const char *member = dbus_message_get_member (message);
678 if (type == DBUS_MESSAGE_TYPE_SIGNAL &&
679 !strncmp (interface, "org.a11y.atspi.Event.", 21))
681 return defer_message (bus, message, data);
683 if (dbus_message_is_method_call (message, atspi_interface_device_event_listener, "NotifyEvent"))
685 return defer_message (bus, message, data);
687 if (dbus_message_is_signal (message, atspi_interface_cache, "AddAccessible"))
689 return defer_message (bus, message, data);
691 if (dbus_message_is_signal (message, atspi_interface_cache, "RemoveAccessible"))
693 return defer_message (bus, message, data);
695 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
698 static const char *signal_interfaces[] =
700 "org.a11y.atspi.Event.Object",
701 "org.a11y.atspi.Event.Window",
702 "org.a11y.atspi.Event.Mouse",
703 "org.a11y.atspi.Event.Terminal",
704 "org.a11y.atspi.Event.Document",
705 "org.a11y.atspi.Event.Focus",
710 * Returns a 'canonicalized' value for DISPLAY,
711 * with the screen number stripped off if present.
713 * TODO: Avoid having duplicate functions for this here and in at-spi2-atk
716 spi_display_name (void)
718 static const char *canonical_display_name = NULL;
719 if (!canonical_display_name)
721 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
724 display_env = g_getenv ("DISPLAY");
725 if (!display_env || !display_env[0])
726 canonical_display_name = ":0";
729 gchar *display_p, *screen_p;
730 canonical_display_name = g_strdup (display_env);
731 display_p = g_utf8_strrchr (canonical_display_name, -1, ':');
732 screen_p = g_utf8_strrchr (canonical_display_name, -1, '.');
733 if (screen_p && display_p && (screen_p > display_p))
741 canonical_display_name = display_env;
744 return canonical_display_name;
747 /* TODO: Avoid having duplicate functions for this here and in at-spi2-atk */
748 static DBusConnection *
749 get_accessibility_bus ()
753 Display *bridge_display;
755 unsigned char *data = NULL;
756 unsigned long nitems;
757 unsigned long leftover;
759 DBusConnection *bus = NULL;
762 bridge_display = XOpenDisplay (spi_display_name ());
765 g_warning ("AT_SPI: Could not get the display\n");
769 AT_SPI_BUS = XInternAtom (bridge_display, "AT_SPI_BUS", False);
770 XGetWindowProperty (bridge_display,
771 XDefaultRootWindow (bridge_display),
773 (long) BUFSIZ, False,
774 (Atom) 31, &actual_type, &actual_format,
775 &nitems, &leftover, &data);
777 dbus_error_init (&error);
782 ("AT-SPI: Accessibility bus not found - Using session bus.\n");
783 bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
786 g_warning ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
792 bus = dbus_connection_open (data, &error);
795 g_warning ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
800 if (!dbus_bus_register (bus, &error))
802 g_warning ("AT-SPI: Couldn't register with bus: %s\n", error.message);
814 * Connects to the accessibility registry and initializes the SPI.
816 * Returns: 0 on success, otherwise an integer error code.
836 dbus_error_init (&error);
837 bus = get_accessibility_bus ();
840 g_error ("Couldn't get session bus");
843 dbus_bus_register (bus, &error);
844 dbus_connection_setup_with_g_main(bus, g_main_context_default());
845 dbus_connection_add_filter (bus, atspi_dbus_filter, NULL, NULL);
846 dbind_set_timeout (1000);
847 match = g_strdup_printf ("type='signal',interface='%s',member='AddAccessible'", atspi_interface_cache);
848 dbus_error_init (&error);
849 dbus_bus_add_match (bus, match, &error);
851 match = g_strdup_printf ("type='signal',interface='%s',member='RemoveAccessible'", atspi_interface_cache);
852 dbus_bus_add_match (bus, match, &error);
854 match = g_strdup_printf ("type='signal',interface='%s',member='ChildrenChanged'", atspi_interface_event_object);
855 dbus_bus_add_match (bus, match, &error);
857 match = g_strdup_printf ("type='signal',interface='%s',member='PropertyChange'", atspi_interface_event_object);
858 dbus_bus_add_match (bus, match, &error);
860 match = g_strdup_printf ("type='signal',interface='%s',member='StateChanged'", atspi_interface_event_object);
861 dbus_bus_add_match (bus, match, &error);
866 static GMainLoop *mainloop;
871 * Starts/enters the main event loop for the AT-SPI services.
873 * (NOTE: This method does not return control, it is exited via a call to
874 * atspi_event_quit () from within an event handler).
878 atspi_event_main (void)
880 mainloop = g_main_loop_new (NULL, FALSE);
881 g_main_loop_run (mainloop);
887 * Quits the last main event loop for the SPI services,
888 * see atspi_event_main
891 atspi_event_quit (void)
893 g_main_loop_quit (mainloop);
899 * Disconnects from the Accessibility Registry and releases
900 * any floating resources. Call only once at exit.
902 * Returns: 0 if there were no leaks, otherwise non zero.
914 atspi_inited = FALSE;
918 leaked = g_hash_table_size (live_refs);
931 _atspi_dbus_call (gpointer obj, const char *interface, const char *method, GError **error, const char *type, ...)
936 AtspiObject *aobj = ATSPI_OBJECT (obj);
938 va_start (args, type);
939 dbus_error_init (&err);
940 retval = dbind_method_call_reentrant_va (_atspi_bus(), aobj->app->bus_name, aobj->path, interface, method, &err, type, args);
942 _atspi_process_deferred_messages ((gpointer)TRUE);
943 if (dbus_error_is_set (&err))
945 /* TODO: Set gerror */
946 dbus_error_free (&err);
952 _atspi_dbus_call_partial (gpointer obj,
953 const char *interface,
956 const char *type, ...)
960 va_start (args, type);
961 return _atspi_dbus_call_partial_va (obj, interface, method, error, type, args);
965 _atspi_dbus_call_partial_va (gpointer obj,
966 const char *interface,
972 AtspiObject *aobj = ATSPI_OBJECT (obj);
975 DBusMessage *msg = NULL, *reply = NULL;
976 DBusMessageIter iter;
979 dbus_error_init (&err);
981 msg = dbus_message_new_method_call (aobj->app->bus_name, aobj->path, interface, method);
986 dbus_message_iter_init_append (msg, &iter);
987 dbind_any_marshal_va (&iter, &p, args);
989 reply = dbind_send_and_allow_reentry (_atspi_bus(), msg, &err);
992 _atspi_process_deferred_messages ((gpointer)TRUE);
993 if (dbus_error_is_set (&err))
995 /* TODO: Set gerror */
996 dbus_error_free (&err);
1002 _atspi_dbus_get_property (gpointer obj, const char *interface, const char *name, GError **error, const char *type, void *data)
1004 DBusMessage *message, *reply;
1005 DBusMessageIter iter, iter_variant;
1007 dbus_bool_t retval = FALSE;
1008 AtspiObject *aobj = ATSPI_OBJECT (obj);
1013 message = dbus_message_new_method_call (aobj->app->bus_name,
1015 "org.freedesktop.DBus.Properties",
1019 // TODO: throw exception
1022 dbus_message_append_args (message, DBUS_TYPE_STRING, &interface, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID);
1023 dbus_error_init (&err);
1024 reply = dbind_send_and_allow_reentry (_atspi_bus(), message, &err);
1025 dbus_message_unref (message);
1026 _atspi_process_deferred_messages ((gpointer)TRUE);
1029 // TODO: throw exception
1032 dbus_message_iter_init (reply, &iter);
1033 dbus_message_iter_recurse (&iter, &iter_variant);
1034 if (dbus_message_iter_get_arg_type (&iter_variant) != type[0])
1036 g_warning ("atspi_dbus_get_property: Wrong type: expected %s, got %c\n", type, dbus_message_iter_get_arg_type (&iter_variant));
1039 if (!strcmp (type, "(so)"))
1041 *((AtspiAccessible **)data) = _atspi_dbus_return_accessible_from_iter (&iter_variant);
1045 dbus_message_iter_get_basic (&iter_variant, data);
1046 dbus_message_unref (reply);
1047 if (type [0] == 's')
1048 *(char **)data = g_strdup (*(char **)data);
1056 _atspi_dbus_send_with_reply_and_block (DBusMessage *message)
1061 dbus_error_init (&err);
1062 reply = dbind_send_and_allow_reentry (_atspi_bus(), message, &err);
1063 _atspi_process_deferred_messages ((gpointer)TRUE);
1064 dbus_message_unref (message);
1066 g_warning ("Atspi: Got error: %s\n", err.message);
1071 _atspi_dbus_hash_from_message (DBusMessage *message)
1073 DBusMessageIter iter;
1075 _ATSPI_DBUS_CHECK_SIG (message, "a{ss}", NULL);
1077 dbus_message_iter_init (message, &iter);
1078 return _atspi_dbus_hash_from_iter (&iter);
1082 _atspi_dbus_hash_from_iter (DBusMessageIter *iter)
1084 GHashTable *hash = g_hash_table_new (g_str_hash, g_str_equal);
1085 DBusMessageIter iter_array, iter_dict;
1087 dbus_message_iter_recurse (iter, &iter_array);
1088 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
1090 const char *name, *value;
1091 dbus_message_iter_recurse (&iter_array, &iter_dict);
1092 dbus_message_iter_get_basic (&iter_dict, &name);
1093 dbus_message_iter_next (&iter_dict);
1094 dbus_message_iter_get_basic (&iter_dict, &value);
1095 g_hash_table_insert (hash, g_strdup (name), g_strdup (value));
1096 dbus_message_iter_next (&iter_array);
1102 _atspi_dbus_attribute_array_from_message (DBusMessage *message)
1104 DBusMessageIter iter;
1106 _ATSPI_DBUS_CHECK_SIG (message, "a{ss}", NULL);
1108 dbus_message_iter_init (message, &iter);
1110 return _atspi_dbus_attribute_array_from_iter (&iter);
1114 _atspi_dbus_attribute_array_from_iter (DBusMessageIter *iter)
1116 DBusMessageIter iter_array, iter_dict;
1117 GArray *array = g_array_new (TRUE, TRUE, sizeof (gchar *));
1120 dbus_message_iter_recurse (iter, &iter_array);
1121 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
1123 const char *name, *value;
1126 dbus_message_iter_recurse (&iter_array, &iter_dict);
1127 dbus_message_iter_get_basic (&iter_dict, &name);
1128 dbus_message_iter_next (&iter_dict);
1129 dbus_message_iter_get_basic (&iter_dict, &value);
1130 str = g_strdup_printf ("%s:%s", name, value);
1131 new_array = g_array_append_val (array, str);
1134 dbus_message_iter_next (&iter_array);;
1140 _atspi_dbus_set_interfaces (AtspiAccessible *accessible, DBusMessageIter *iter)
1142 DBusMessageIter iter_array;
1144 accessible->interfaces = 0;
1145 dbus_message_iter_recurse (iter, &iter_array);
1146 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
1150 dbus_message_iter_get_basic (&iter_array, &iface);
1151 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable")) continue;
1152 n = _atspi_get_iface_num (iface);
1155 g_warning ("at-spi: Unknown interface %s", iface);
1158 accessible->interfaces |= (1 << n);
1159 dbus_message_iter_next (&iter_array);
1161 accessible->cached_properties |= ATSPI_CACHE_INTERFACES;
1165 _atspi_dbus_set_state (AtspiAccessible *accessible, DBusMessageIter *iter)
1167 DBusMessageIter iter_array;
1169 dbus_uint32_t *states;
1171 dbus_message_iter_recurse (iter, &iter_array);
1172 dbus_message_iter_get_fixed_array (&iter_array, &states, &count);
1175 g_warning ("at-spi: expected 2 values in states array; got %d\n", count);
1176 if (!accessible->states)
1177 accessible->states = _atspi_state_set_new_internal (accessible, 0);
1181 guint64 val = ((guint64)states [1]) << 32;
1183 if (!accessible->states)
1184 accessible->states = _atspi_state_set_new_internal (accessible, val);
1186 accessible->states->states = val;
1188 accessible->cached_properties |= ATSPI_CACHE_STATES;