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;
358 dbus_uint32_t *states;
361 dbus_message_iter_recurse (iter, &iter_struct);
364 get_reference_from_iter (&iter_struct, &app_name, &path);
365 accessible = ref_accessible (app_name, path);
369 /* Get application: TODO */
370 dbus_message_iter_next (&iter_struct);
373 get_reference_from_iter (&iter_struct, &app_name, &path);
374 accessible->accessible_parent = ref_accessible (app_name, path);
377 dbus_message_iter_recurse (&iter_struct, &iter_array);
378 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
380 AtspiAccessible *child;
381 get_reference_from_iter (&iter_array, &app_name, &path);
382 child = ref_accessible (app_name, path);
383 new_list = g_list_append (accessible->children, child);
384 if (new_list) accessible->children = new_list;
388 accessible->interfaces = 0;
389 dbus_message_iter_next (&iter_struct);
390 dbus_message_iter_recurse (&iter_struct, &iter_array);
391 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
395 dbus_message_iter_get_basic (&iter_array, &iface);
396 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable")) continue;
397 n = _atspi_get_iface_num (iface);
400 g_warning ("Unknown interface %s", iface);
402 else accessible->interfaces |= (1 << n);
403 dbus_message_iter_next (&iter_array);
405 dbus_message_iter_next (&iter_struct);
408 dbus_message_iter_get_basic (&iter_struct, &name);
409 accessible->name = g_strdup (name);
410 dbus_message_iter_next (&iter_struct);
413 dbus_message_iter_get_basic (&iter_struct, &role);
414 accessible->role = role;
415 dbus_message_iter_next (&iter_struct);
418 dbus_message_iter_get_basic (&iter_struct, &description);
419 accessible->description = g_strdup (description);
420 dbus_message_iter_next (&iter_struct);
422 dbus_message_iter_recurse (&iter_struct, &iter_array);
423 dbus_message_iter_get_fixed_array (&iter_array, &states, &count);
426 g_warning ("at-spi: expected 2 values in states array; got %d\n", count);
427 accessible->states = atspi_state_set_new (accessible, 0);
431 guint64 val = ((guint64)states [1]) << 32;
433 accessible->states = atspi_state_set_new (accessible, val);
435 dbus_message_iter_next (&iter_struct);
437 /* This is a bit of a hack since the cache holds a ref, so we don't need
438 * the one provided for us anymore */
439 g_object_unref (accessible);
443 add_accessibles (const char *app_name)
446 DBusMessage *message, *reply;
447 DBusMessageIter iter, iter_array;
449 AtspiApplication *app = get_application (app_name);
450 /* TODO: Move this functionality into app initializer? */
451 dbus_error_init (&error);
452 message = dbus_message_new_method_call (app_name, "/org/a11y/atspi/cache", atspi_interface_cache, "GetItems");
453 reply = _atspi_dbus_send_with_reply_and_block (message);
454 if (!reply || strcmp (dbus_message_get_signature (reply), "a((so)(so)(so)a(so)assusau)") != 0)
456 g_warning ("at-spi: Error in GetItems");
459 dbus_message_unref (reply);
461 dbus_message_iter_init (reply, &iter);
462 dbus_message_iter_recurse (&iter, &iter_array);
463 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
465 add_accessible_from_iter (&iter_array);
466 dbus_message_iter_next (&iter_array);
468 dbus_message_unref (reply);
471 /* TODO: Do we stil need this function? */
472 static AtspiAccessible *
473 ref_accessible_desktop (AtspiApplication *app)
479 DBusMessage *message, *reply;
480 DBusMessageIter iter, iter_array;
484 g_object_ref (desktop);
487 desktop = atspi_accessible_new (app, atspi_path_root);
492 g_hash_table_insert (app->hash, desktop->parent.path, desktop);
493 g_object_ref (desktop); /* for the hash */
494 desktop->name = g_strdup ("main");
495 dbus_error_init (&error);
496 message = dbus_message_new_method_call (atspi_bus_registry,
498 atspi_interface_accessible,
502 reply = _atspi_dbus_send_with_reply_and_block (message);
503 if (!reply || strcmp (dbus_message_get_signature (reply), "a(so)") != 0)
505 g_error ("Couldn't get application list: %s", error.message);
507 dbus_message_unref (reply);
510 dbus_message_iter_init (reply, &iter);
511 dbus_message_iter_recurse (&iter, &iter_array);
512 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
514 const char *app_name, *path;
515 get_reference_from_iter (&iter_array, &app_name, &path);
516 add_accessibles (app_name);
517 add_app_to_desktop (desktop, app_name);
519 dbus_message_unref (reply);
524 _atspi_ref_accessible (const char *app, const char *path)
526 AtspiApplication *a = get_application (app);
528 if ( APP_IS_REGISTRY(a))
530 return ref_accessible_desktop (a);
532 return ref_accessible (app, path);
536 _atspi_dbus_return_accessible_from_message (DBusMessage *message)
538 DBusMessageIter iter;
539 AtspiAccessible *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_accessible_from_iter (&iter);
549 g_warning ("Atspi: Called _atspi_dbus_return_accessible_from_message with strange signature %s", signature);
551 dbus_message_unref (message);
556 _atspi_dbus_return_accessible_from_iter (DBusMessageIter *iter)
558 const char *app_name, *path;
560 get_reference_from_iter (iter, &app_name, &path);
561 return ref_accessible (app_name, path);
565 _atspi_dbus_return_hyperlink_from_message (DBusMessage *message)
567 DBusMessageIter iter;
568 AtspiHyperlink *retval = NULL;
569 const char *signature = dbus_message_get_signature (message);
571 if (!strcmp (signature, "(so)"))
573 dbus_message_iter_init (message, &iter);
574 retval = _atspi_dbus_return_hyperlink_from_iter (&iter);
578 g_warning ("Atspi: Called _atspi_dbus_return_hyperlink_from_message with strange signature %s", signature);
580 dbus_message_unref (message);
585 _atspi_dbus_return_hyperlink_from_iter (DBusMessageIter *iter)
587 const char *app_name, *path;
589 get_reference_from_iter (iter, &app_name, &path);
590 return ref_hyperlink (app_name, path);
593 const char *cache_signal_type = "((so)(so)(so)a(so)assusau)";
595 static DBusHandlerResult
596 handle_add_accessible (DBusConnection *bus, DBusMessage *message, void *user_data)
598 DBusMessageIter iter;
599 const char *sender = dbus_message_get_sender (message);
600 AtspiApplication *app = get_application (sender);
601 const char *type = cache_signal_type;
603 if (strcmp (dbus_message_get_signature (message), cache_signal_type) != 0)
605 g_warning ("atspi: AddAccessible with unknown signature %s\n", dbus_message_get_signature (message));
609 dbus_message_iter_init (message, &iter);
610 add_accessible_from_iter (&iter);
613 static DBusHandlerResult
614 atspi_dbus_filter (DBusConnection *bus, DBusMessage *message, void *data)
616 int type = dbus_message_get_type (message);
617 const char *interface = dbus_message_get_interface (message);
618 const char *member = dbus_message_get_member (message);
622 if (type == DBUS_MESSAGE_TYPE_SIGNAL &&
623 !strncmp (interface, "org.a11y.atspi.Event.", 21))
625 return atspi_dbus_handle_event (bus, message, data);
627 if (dbus_message_is_method_call (message, atspi_interface_device_event_listener, "notifyEvent"))
629 g_warning ("atspi: TODO: DeviceEvent");
630 //return handle_device_event (bus, message, data);
632 if (dbus_message_is_signal (message, atspi_interface_cache, "AddAccessible"))
634 return handle_add_accessible (bus, message, data);
636 if (dbus_message_is_signal (message, atspi_interface_cache, "RemoveAccessible"))
638 return handle_remove_accessible (bus, message, data);
640 /* TODO: Handle ChildrenChanged, StateChanged, PropertyChanged */
641 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
644 static const char *signal_interfaces[] =
646 "org.a11y.atspi.Event.Object",
647 "org.a11y.atspi.Event.Window",
648 "org.a11y.atspi.Event.Mouse",
649 "org.a11y.atspi.Event.Terminal",
650 "org.a11y.atspi.Event.Document",
651 "org.a11y.atspi.Event.Focus",
656 * Returns a 'canonicalized' value for DISPLAY,
657 * with the screen number stripped off if present.
659 * TODO: Avoid having duplicate functions for this here and in at-spi2-atk
662 spi_display_name (void)
664 static const char *canonical_display_name = NULL;
665 if (!canonical_display_name)
667 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
670 display_env = g_getenv ("DISPLAY");
671 if (!display_env || !display_env[0])
672 canonical_display_name = ":0";
675 gchar *display_p, *screen_p;
676 canonical_display_name = g_strdup (display_env);
677 display_p = g_utf8_strrchr (canonical_display_name, -1, ':');
678 screen_p = g_utf8_strrchr (canonical_display_name, -1, '.');
679 if (screen_p && display_p && (screen_p > display_p))
687 canonical_display_name = display_env;
690 return canonical_display_name;
693 /* TODO: Avoid having duplicate functions for this here and in at-spi2-atk */
694 static DBusConnection *
695 get_accessibility_bus ()
699 Display *bridge_display;
701 unsigned char *data = NULL;
702 unsigned long nitems;
703 unsigned long leftover;
705 DBusConnection *bus = NULL;
708 bridge_display = XOpenDisplay (spi_display_name ());
711 g_warning ("AT_SPI: Could not get the display\n");
715 AT_SPI_BUS = XInternAtom (bridge_display, "AT_SPI_BUS", False);
716 XGetWindowProperty (bridge_display,
717 XDefaultRootWindow (bridge_display),
719 (long) BUFSIZ, False,
720 (Atom) 31, &actual_type, &actual_format,
721 &nitems, &leftover, &data);
723 dbus_error_init (&error);
728 ("AT-SPI: Accessibility bus not found - Using session bus.\n");
729 bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
732 g_warning ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
738 bus = dbus_connection_open (data, &error);
741 g_warning ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
746 if (!dbus_bus_register (bus, &error))
748 g_warning ("AT-SPI: Couldn't register with bus: %s\n", error.message);
760 * Connects to the accessibility registry and initializes the SPI.
762 * Returns: 0 on success, otherwise an integer error code.
782 dbus_error_init (&error);
783 bus = get_accessibility_bus ();
786 g_error ("Couldn't get session bus");
789 dbus_bus_register (bus, &error);
790 dbus_connection_setup_with_g_main(bus, g_main_context_default());
791 dbus_connection_add_filter (bus, atspi_dbus_filter, NULL, NULL);
792 match = g_strdup_printf ("type='signal',interface='%s',member='AddAccessible'", atspi_interface_cache);
793 dbus_error_init (&error);
794 dbus_bus_add_match (bus, match, &error);
796 match = g_strdup_printf ("type='signal',interface='%s',member='RemoveAccessible'", atspi_interface_cache);
797 dbus_bus_add_match (bus, match, &error);
799 match = g_strdup_printf ("type='signal',interface='%s',member='ChildrenChanged'", atspi_interface_event_object);
800 dbus_bus_add_match (bus, match, &error);
802 match = g_strdup_printf ("type='signal',interface='%s',member='PropertyChange'", atspi_interface_event_object);
803 dbus_bus_add_match (bus, match, &error);
805 match = g_strdup_printf ("type='signal',interface='%s',member='StateChanged'", atspi_interface_event_object);
806 dbus_bus_add_match (bus, match, &error);
811 static GMainLoop *mainloop;
816 * Starts/enters the main event loop for the AT-SPI services.
818 * (NOTE: This method does not return control, it is exited via a call to
819 * atspi_event_quit () from within an event handler).
823 atspi_event_main (void)
825 mainloop = g_main_loop_new (NULL, FALSE);
826 g_main_loop_run (mainloop);
832 * Quits the last main event loop for the SPI services,
833 * see atspi_event_main
836 atspi_event_quit (void)
838 g_main_loop_quit (mainloop);
844 * Disconnects from the Accessibility Registry and releases
845 * any floating resources. Call only once at exit.
847 * Returns: 0 if there were no leaks, otherwise non zero.
859 atspi_inited = FALSE;
863 leaked = g_hash_table_size (live_refs);
876 _atspi_dbus_call (gpointer obj, const char *interface, const char *method, GError **error, const char *type, ...)
881 AtspiObject *aobj = ATSPI_OBJECT (obj);
883 va_start (args, type);
884 dbus_error_init (&err);
885 retval = dbind_method_call_reentrant_va (_atspi_bus(), aobj->app->bus_name, aobj->path, interface, method, &err, type, args);
887 if (dbus_error_is_set (&err))
889 /* TODO: Set gerror */
890 dbus_error_free (&err);
896 _atspi_dbus_call_partial (gpointer obj,
897 const char *interface,
900 const char *type, ...)
904 va_start (args, type);
905 return _atspi_dbus_call_partial_va (obj, interface, method, error, type, args);
909 _atspi_dbus_call_partial_va (gpointer obj,
910 const char *interface,
916 AtspiObject *aobj = ATSPI_OBJECT (obj);
919 DBusMessage *msg = NULL, *reply = NULL;
920 DBusMessageIter iter;
923 dbus_error_init (&err);
925 msg = dbus_message_new_method_call (aobj->app->bus_name, aobj->path, interface, method);
930 dbus_message_iter_init_append (msg, &iter);
931 dbind_any_marshal_va (&iter, &p, &args);
933 reply = dbind_send_and_allow_reentry (_atspi_bus(), msg, &err);
936 if (dbus_error_is_set (&err))
938 /* TODO: Set gerror */
939 dbus_error_free (&err);
945 _atspi_dbus_get_property (gpointer obj, const char *interface, const char *name, GError **error, const char *type, void *data)
947 DBusMessage *message, *reply;
948 DBusMessageIter iter, iter_variant;
950 dbus_bool_t retval = FALSE;
951 AtspiObject *aobj = ATSPI_OBJECT (obj);
956 message = dbus_message_new_method_call (aobj->app->bus_name,
958 "org.freedesktop.DBus.Properties",
962 // TODO: throw exception
965 dbus_message_append_args (message, DBUS_TYPE_STRING, &interface, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID);
966 dbus_error_init (&err);
967 reply = dbus_connection_send_with_reply_and_block (_atspi_bus(), message, 1000, &err);
968 dbus_message_unref (message);
971 // TODO: throw exception
974 dbus_message_iter_init (reply, &iter);
975 dbus_message_iter_recurse (&iter, &iter_variant);
976 if (dbus_message_iter_get_arg_type (&iter_variant) != type[0])
978 g_warning ("atspi_dbus_get_property: Wrong type: expected %s, got %c\n", type, dbus_message_iter_get_arg_type (&iter_variant));
981 if (!strcmp (type, "(so)"))
983 *((AtspiAccessible **)data) = _atspi_dbus_return_accessible_from_iter (&iter_variant);
987 dbus_message_iter_get_basic (&iter_variant, data);
988 dbus_message_unref (reply);
990 *(char **)data = g_strdup (*(char **)data);
998 _atspi_dbus_send_with_reply_and_block (DBusMessage *message)
1003 dbus_error_init (&err);
1004 /* TODO: Write this function; allow reentrancy */
1005 reply = dbus_connection_send_with_reply_and_block (_atspi_bus(), message, 1000, &err);
1006 dbus_message_unref (message);
1008 g_warning ("Atspi: Got error: %s\n", err.message);
1013 _atspi_dbus_hash_from_message (DBusMessage *message)
1015 DBusMessageIter iter;
1016 const char *signature;
1018 signature = dbus_message_get_signature (message);
1020 if (strcmp (signature, "a{ss}") != 0)
1022 g_warning ("Trying to get hash from message of unexpected type %s\n", signature);
1026 dbus_message_iter_init (message, &iter);
1027 return _atspi_dbus_hash_from_iter (&iter);
1031 _atspi_dbus_hash_from_iter (DBusMessageIter *iter)
1033 GHashTable *hash = g_hash_table_new (g_str_hash, g_str_equal);
1034 DBusMessageIter iter_array, iter_dict;
1036 dbus_message_iter_recurse (iter, &iter_array);
1037 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
1039 const char *name, *value;
1040 dbus_message_iter_recurse (&iter_array, &iter_dict);
1041 dbus_message_iter_get_basic (&iter_dict, &name);
1042 dbus_message_iter_get_basic (&iter_dict, &value);
1043 g_hash_table_insert (hash, g_strdup (name), g_strdup (value));
1044 dbus_message_iter_next (&iter_array);
1050 _atspi_dbus_attribute_array_from_message (DBusMessage *message)
1052 DBusMessageIter iter;
1053 const char *signature;
1055 signature = dbus_message_get_signature (message);
1057 if (strcmp (signature, "a{ss}") != 0)
1059 g_warning ("Trying to get hash from message of unexpected type %s\n", signature);
1063 return _atspi_dbus_attribute_array_from_iter (&iter);
1067 _atspi_dbus_attribute_array_from_iter (DBusMessageIter *iter)
1069 DBusMessageIter iter_array, iter_dict;
1070 GArray *array = g_array_new (TRUE, TRUE, sizeof (gchar *));
1073 dbus_message_iter_recurse (iter, &iter_array);
1074 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
1076 const char *name, *value;
1079 dbus_message_iter_recurse (&iter_array, &iter_dict);
1080 dbus_message_iter_get_basic (&iter_dict, &name);
1081 dbus_message_iter_get_basic (&iter_dict, &value);
1082 str = g_strdup_printf ("%s:;%s", name, value);
1083 new_array = g_array_append_val (array, str);
1086 dbus_message_iter_next (iter);;