2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2002 Ximian Inc.
6 * Copyright 2002 Sun Microsystems, Inc.
7 * Copyright 2010, 2011 Novell, Inc.
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Library General Public License for more details.
19 * You should have received a copy of the GNU Library General Public
20 * License along with this library; if not, write to the
21 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 * Boston, MA 02111-1307, USA.
25 #include "atspi-private.h"
26 #include "atspi-accessible-private.h"
32 AtspiEventListenerCB callback;
34 GDestroyNotify callback_destroyed;
42 G_DEFINE_TYPE (AtspiEventListener, atspi_event_listener, G_TYPE_OBJECT)
45 atspi_event_listener_init (AtspiEventListener *listener)
50 atspi_event_listener_class_init (AtspiEventListenerClass *klass)
55 remove_datum (AtspiEvent *event, void *user_data)
57 AtspiEventListenerSimpleCB cb = user_data;
64 GDestroyNotify callback_destroyed;
67 static GHashTable *callbacks;
70 callback_ref (void *callback, GDestroyNotify callback_destroyed)
76 callbacks = g_hash_table_new (g_direct_hash, g_direct_equal);
81 info = g_hash_table_lookup (callbacks, callback);
84 info = g_new (CallbackInfo, 1);
85 info->callback = callback;
86 info->callback_destroyed = callback_destroyed;
88 g_hash_table_insert (callbacks, callback, info);
95 callback_unref (gpointer callback)
101 info = g_hash_table_lookup (callbacks, callback);
104 g_warning ("Atspi: Dereferencing invalid callback %p\n", callback);
108 if (info->ref_count == 0)
111 /* TODO: Figure out why this seg faults from Python */
112 if (info->callback_destroyed)
113 (*info->callback_destroyed) (info->callback);
116 g_hash_table_remove (callbacks, callback);
121 * atspi_event_listener_new:
122 * @callback: (scope notified): An #AtspiEventListenerCB to be called
123 * when an event is fired.
124 * @user_data: (closure): data to pass to the callback.
125 * @callback_destroyed: A #GDestroyNotify called when the listener is freed
126 * and data associated with the callback should be freed. Can be NULL.
128 * Creates a new #AtspiEventListener associated with a specified @callback.
130 * Returns: (transfer full): A new #AtspiEventListener.
133 atspi_event_listener_new (AtspiEventListenerCB callback,
135 GDestroyNotify callback_destroyed)
137 AtspiEventListener *listener = g_object_new (ATSPI_TYPE_EVENT_LISTENER, NULL);
138 listener->callback = callback;
139 callback_ref (callback, callback_destroyed);
140 listener->user_data = user_data;
141 listener->cb_destroyed = callback_destroyed;
146 * atspi_event_listener_new_simple: (skip)
147 * @callback: (scope notified): An #AtspiEventListenerSimpleCB to be called
148 * when an event is fired.
149 * @callback_destroyed: A #GDestroyNotify called when the listener is freed
150 * and data associated with the callback should be freed. Can be NULL.
152 * Creates a new #AtspiEventListener associated with a specified @callback.
153 * Returns: (transfer full): A new #AtspiEventListener.
156 atspi_event_listener_new_simple (AtspiEventListenerSimpleCB callback,
157 GDestroyNotify callback_destroyed)
159 AtspiEventListener *listener = g_object_new (ATSPI_TYPE_EVENT_LISTENER, NULL);
160 listener->callback = remove_datum;
161 callback_ref (remove_datum, callback_destroyed);
162 listener->user_data = callback;
163 listener->cb_destroyed = callback_destroyed;
167 static GList *event_listeners = NULL;
170 convert_name_from_dbus (const char *name, gboolean path_hack)
172 gchar *ret = g_malloc (g_utf8_strlen (name, -1) * 2 + 1);
173 const char *p = name;
185 *q++ = tolower (*p++);
187 else if (path_hack && *p == '/')
200 cache_process_children_changed (AtspiEvent *event)
202 AtspiAccessible *child;
204 if (!G_VALUE_HOLDS (&event->any_data, ATSPI_TYPE_ACCESSIBLE) ||
205 !(event->source->cached_properties & ATSPI_CACHE_CHILDREN) ||
206 atspi_state_set_contains (event->source->states, ATSPI_STATE_MANAGES_DESCENDANTS))
209 child = g_value_get_object (&event->any_data);
211 if (!strncmp (event->type, "object:children-changed:add", 27))
213 if (g_list_find (event->source->children, child))
215 event->source->children = g_list_insert (event->source->children,
216 g_object_ref (child),
219 else if (g_list_find (event->source->children, child))
221 event->source->children = g_list_remove (event->source->children, child);
222 if (child == child->parent.app->root)
223 g_object_run_dispose (G_OBJECT (child->parent.app));
224 g_object_unref (child);
229 cache_process_property_change (AtspiEvent *event)
231 if (!strcmp (event->type, "object:property-change:accessible-parent"))
233 if (event->source->accessible_parent)
234 g_object_unref (event->source->accessible_parent);
235 if (G_VALUE_HOLDS (&event->any_data, ATSPI_TYPE_ACCESSIBLE))
237 event->source->accessible_parent = g_value_dup_object (&event->any_data);
238 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_PARENT);
242 event->source->accessible_parent = NULL;
243 event->source->cached_properties &= ~ATSPI_CACHE_PARENT;
246 else if (!strcmp (event->type, "object:property-change:accessible-name"))
248 if (event->source->name)
249 g_free (event->source->name);
250 if (G_VALUE_HOLDS_STRING (&event->any_data))
252 event->source->name = g_value_dup_string (&event->any_data);
253 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_NAME);
257 event->source->name = NULL;
258 event->source->cached_properties &= ~ATSPI_CACHE_NAME;
261 else if (!strcmp (event->type, "object:property-change:accessible-description"))
263 if (event->source->description)
264 g_free (event->source->description);
265 if (G_VALUE_HOLDS_STRING (&event->any_data))
267 event->source->description = g_value_dup_string (&event->any_data);
268 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_DESCRIPTION);
272 event->source->description = NULL;
273 event->source->cached_properties &= ~ATSPI_CACHE_DESCRIPTION;
276 else if (!strcmp (event->type, "object:property-change:accessible-role"))
278 if (G_VALUE_HOLDS_INT (&event->any_data))
280 event->source->role = g_value_get_int (&event->any_data);
281 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_ROLE);
285 event->source->cached_properties &= ~ATSPI_CACHE_ROLE;
291 cache_process_state_changed (AtspiEvent *event)
293 if (event->source->states)
294 atspi_state_set_set_by_name (event->source->states, event->type + 21,
299 demarshal_rect (DBusMessageIter *iter, AtspiRect *rect)
301 dbus_int32_t x, y, width, height;
302 DBusMessageIter iter_struct;
304 dbus_message_iter_recurse (iter, &iter_struct);
305 if (dbus_message_iter_get_arg_type (&iter_struct) != DBUS_TYPE_INT32) return FALSE;
306 dbus_message_iter_get_basic (&iter_struct, &x);
307 dbus_message_iter_next (&iter_struct);
308 if (dbus_message_iter_get_arg_type (&iter_struct) != DBUS_TYPE_INT32) return FALSE;
309 dbus_message_iter_get_basic (&iter_struct, &y);
310 dbus_message_iter_next (&iter_struct);
311 if (dbus_message_iter_get_arg_type (&iter_struct) != DBUS_TYPE_INT32) return FALSE;
312 dbus_message_iter_get_basic (&iter_struct, &width);
313 dbus_message_iter_next (&iter_struct);
314 if (dbus_message_iter_get_arg_type (&iter_struct) != DBUS_TYPE_INT32) return FALSE;
315 dbus_message_iter_get_basic (&iter_struct, &height);
319 rect->height = height;
324 strdup_and_adjust_for_dbus (const char *s)
326 gchar *d = g_strdup (s);
337 memmove (p, p + 1, g_utf8_strlen (p, -1));
345 p [1] = toupper (p [1]);
349 d [0] = toupper (d [0]);
354 convert_event_type_to_dbus (const char *eventType, char **categoryp, char **namep, char **detailp, GPtrArray **matchrule_array)
356 gchar *tmp = strdup_and_adjust_for_dbus (eventType);
357 char *category = NULL, *name = NULL, *detail = NULL;
358 char *saveptr = NULL;
360 if (tmp == NULL) return FALSE;
361 category = strtok_r (tmp, ":", &saveptr);
362 if (category) category = g_strdup (category);
363 name = strtok_r (NULL, ":", &saveptr);
366 name = g_strdup (name);
367 detail = strtok_r (NULL, ":", &saveptr);
368 if (detail) detail = g_strdup (detail);
373 matchrule = g_strdup_printf ("type='signal',interface='org.a11y.atspi.Event.%s'", category);
374 if (name && name [0])
376 gchar *new_str = g_strconcat (matchrule, ",member='", name, "'", NULL);
380 (*matchrule_array) = g_ptr_array_new ();
381 if (detail && detail [0])
383 gchar *new_str = g_strconcat (matchrule, ",arg0='", detail, "'", NULL);
384 g_ptr_array_add (*matchrule_array, new_str);
385 new_str = g_strconcat (matchrule, ",arg0path='", detail, "/'", NULL);
386 g_ptr_array_add (*matchrule_array, new_str);
390 g_ptr_array_add (*matchrule_array, matchrule);
392 if (categoryp) *categoryp = category;
393 else g_free (category);
394 if (namep) *namep = name;
395 else if (name) g_free (name);
396 if (detailp) *detailp = detail;
397 else if (detail) g_free (detail);
403 listener_entry_free (EventListenerEntry *e)
405 gpointer callback = (e->callback == remove_datum ? (gpointer)e->user_data : (gpointer)e->callback);
406 g_free (e->event_type);
407 g_free (e->category);
409 if (e->detail) g_free (e->detail);
410 callback_unref (callback);
415 * atspi_event_listener_register:
416 * @listener: The #AtspiEventListener to register against an event type.
417 * @event_type: a character string indicating the type of events for which
418 * notification is requested. Format is
419 * EventClass:major_type:minor_type:detail
420 * where all subfields other than EventClass are optional.
421 * EventClasses include "object", "window", "mouse",
422 * and toolkit events (e.g. "Gtk", "AWT").
423 * Examples: "focus:", "Gtk:GtkWidget:button_press_event".
425 * Adds an in-process callback function to an existing #AtspiEventListener.
427 * Legal object event types:
429 * (property change events)
431 * object:property-change
432 * object:property-change:accessible-name
433 * object:property-change:accessible-description
434 * object:property-change:accessible-parent
435 * object:property-change:accessible-value
436 * object:property-change:accessible-role
437 * object:property-change:accessible-table-caption
438 * object:property-change:accessible-table-column-description
439 * object:property-change:accessible-table-column-header
440 * object:property-change:accessible-table-row-description
441 * object:property-change:accessible-table-row-header
442 * object:property-change:accessible-table-summary
444 * (other object events)
446 * object:state-changed
447 * object:children-changed
448 * object:visible-data-changed
449 * object:selection-changed
450 * object:text-selection-changed
451 * object:text-changed
452 * object:text-caret-moved
453 * object:row-inserted
454 * object:row-reordered
456 * object:column-inserted
457 * object:column-reordered
458 * object:column-deleted
459 * object:model-changed
460 * object:active-descendant-changed
470 * window:desktop-create
471 * window:desktop-destroy
494 * NOTE: this character string may be UTF-8, but should not contain byte
496 * (ascii ':'), except as a delimiter, since non-UTF-8 string
497 * delimiting functions are used internally.
498 * In general, listening to
499 * toolkit-specific events is not recommended.
502 * Returns: #TRUE if successful, otherwise #FALSE.
505 atspi_event_listener_register (AtspiEventListener *listener,
506 const gchar *event_type,
509 /* TODO: Keep track of which events have been registered, so that we
510 * deregister all of them when the event listener is destroyed */
512 return atspi_event_listener_register_from_callback (listener->callback,
514 listener->cb_destroyed,
519 * atspi_event_listener_register_full:
520 * @listener: The #AtspiEventListener to register against an event type.
521 * @event_type: a character string indicating the type of events for which
522 * notification is requested. See #atspi_event_listener_register
523 * for a description of the format and legal event types.
524 * @properties: (element-type gchar*) (transfer none) (allow-none): a list of
525 * properties that should be sent along with the event. The
526 * properties are valued for the duration of the event callback.k
529 * Adds an in-process callback function to an existing #AtspiEventListener.
531 * Returns: #TRUE if successful, otherwise #FALSE.
534 atspi_event_listener_register_full (AtspiEventListener *listener,
535 const gchar *event_type,
539 /* TODO: Keep track of which events have been registered, so that we
540 * deregister all of them when the event listener is destroyed */
542 return atspi_event_listener_register_from_callback_full (listener->callback,
544 listener->cb_destroyed,
551 notify_event_registered (EventListenerEntry *e)
554 dbind_method_call_reentrant (_atspi_bus (), atspi_bus_registry,
556 atspi_interface_registry,
558 NULL, "sas", e->event_type,
565 * atspi_event_listener_register_from_callback:
566 * @callback: (scope notified): the #AtspiEventListenerCB to be registered
567 * against an event type.
568 * @user_data: (closure): User data to be passed to the callback.
569 * @callback_destroyed: A #GDestroyNotify called when the callback is destroyed.
570 * @event_type: a character string indicating the type of events for which
571 * notification is requested. See #atspi_event_listener_register
572 * for a description of the format.
574 * Registers an #AtspiEventListenerCB against an @event_type.
576 * Returns: #TRUE if successfull, otherwise #FALSE.
580 atspi_event_listener_register_from_callback (AtspiEventListenerCB callback,
582 GDestroyNotify callback_destroyed,
583 const gchar *event_type,
586 return atspi_event_listener_register_from_callback_full (callback,
594 copy_event_properties (GArray *src)
598 GArray *dst = g_array_new (FALSE, FALSE, sizeof (char *));
602 for (i = 0; i < src->len; i++)
604 gchar *dup = g_strdup (g_array_index (src, char *, i));
605 g_array_append_val (dst, dup);
611 atspi_event_listener_register_from_callback_full (AtspiEventListenerCB callback,
613 GDestroyNotify callback_destroyed,
614 const gchar *event_type,
618 EventListenerEntry *e;
620 GPtrArray *matchrule_array;
630 g_warning ("called atspi_event_listener_register_from_callback with a NULL event_type");
634 e = g_new (EventListenerEntry, 1);
635 e->event_type = g_strdup (event_type);
636 e->callback = callback;
637 e->user_data = user_data;
638 e->callback_destroyed = callback_destroyed;
639 callback_ref (callback == remove_datum ? (gpointer)user_data : (gpointer)callback,
641 if (!convert_event_type_to_dbus (event_type, &e->category, &e->name, &e->detail, &matchrule_array))
646 e->properties = copy_event_properties (properties);
647 event_listeners = g_list_prepend (event_listeners, e);
648 for (i = 0; i < matchrule_array->len; i++)
650 char *matchrule = g_ptr_array_index (matchrule_array, i);
651 dbus_error_init (&d_error);
652 dbus_bus_add_match (_atspi_bus(), matchrule, &d_error);
653 if (dbus_error_is_set (&d_error))
655 g_warning ("Atspi: Adding match: %s", d_error.message);
656 dbus_error_free (&d_error);
657 /* TODO: Set error */
662 g_ptr_array_free (matchrule_array, TRUE);
664 notify_event_registered (e);
669 _atspi_reregister_event_listeners ()
672 EventListenerEntry *e;
674 for (l = event_listeners; l; l = l->next)
677 notify_event_registered (e);
682 * atspi_event_listener_register_no_data: (skip)
683 * @callback: (scope notified): the #AtspiEventListenerSimpleCB to be
684 * registered against an event type.
685 * @callback_destroyed: A #GDestroyNotify called when the callback is destroyed.
686 * @event_type: a character string indicating the type of events for which
687 * notification is requested. Format is
688 * EventClass:major_type:minor_type:detail
689 * where all subfields other than EventClass are optional.
690 * EventClasses include "object", "window", "mouse",
691 * and toolkit events (e.g. "Gtk", "AWT").
692 * Examples: "focus:", "Gtk:GtkWidget:button_press_event".
694 * Registers an #AtspiEventListenetSimpleCB. The method is similar to
695 * #atspi_event_listener_register, but @callback takes no user_data.
697 * Returns: #TRUE if successfull, otherwise #FALSE.
700 atspi_event_listener_register_no_data (AtspiEventListenerSimpleCB callback,
701 GDestroyNotify callback_destroyed,
702 const gchar *event_type,
705 return atspi_event_listener_register_from_callback (remove_datum, callback,
711 is_superset (const gchar *super, const gchar *sub)
713 if (!super || !super [0])
715 return (strcmp (super, sub) == 0);
719 * atspi_event_listener_deregister:
720 * @listener: The #AtspiEventListener to deregister.
721 * @event_type: a string specifying the event type for which this
722 * listener is to be deregistered.
724 * Deregisters an #AtspiEventListener from the registry, for a specific
727 * Returns: #TRUE if successful, otherwise #FALSE.
730 atspi_event_listener_deregister (AtspiEventListener *listener,
731 const gchar *event_type,
734 return atspi_event_listener_deregister_from_callback (listener->callback,
740 * atspi_event_listener_deregister_from_callback:
741 * @callback: (scope call): the #AtspiEventListenerCB registered against an
743 * @user_data: (closure): User data that was passed in for this callback.
744 * @event_type: a string specifying the event type for which this
745 * listener is to be deregistered.
747 * Deregisters an #AtspiEventListenerCB from the registry, for a specific
750 * Returns: #TRUE if successful, otherwise #FALSE.
753 atspi_event_listener_deregister_from_callback (AtspiEventListenerCB callback,
755 const gchar *event_type,
758 char *category, *name, *detail;
759 GPtrArray *matchrule_array;
763 if (!convert_event_type_to_dbus (event_type, &category, &name, &detail, &matchrule_array))
772 for (l = event_listeners; l;)
774 EventListenerEntry *e = l->data;
775 if (e->callback == callback &&
776 e->user_data == user_data &&
777 is_superset (category, e->category) &&
778 is_superset (name, e->name) &&
779 is_superset (detail, e->detail))
781 gboolean need_replace;
782 DBusMessage *message, *reply;
783 need_replace = (l == event_listeners);
784 l = g_list_remove (l, e);
787 for (i = 0; i < matchrule_array->len; i++)
789 char *matchrule = g_ptr_array_index (matchrule_array, i);
790 dbus_bus_remove_match (_atspi_bus(), matchrule, NULL);
792 message = dbus_message_new_method_call (atspi_bus_registry,
794 atspi_interface_registry,
798 dbus_message_append_args (message, DBUS_TYPE_STRING, &event_type, DBUS_TYPE_INVALID);
799 reply = _atspi_dbus_send_with_reply_and_block (message, error);
801 dbus_message_unref (reply);
803 listener_entry_free (e);
805 else l = g_list_next (l);
809 if (detail) g_free (detail);
810 for (i = 0; i < matchrule_array->len; i++)
811 g_free (g_ptr_array_index (matchrule_array, i));
812 g_ptr_array_free (matchrule_array, TRUE);
817 * atspi_event_listener_deregister_no_data: (skip)
818 * @callback: (scope call): the #AtspiEventListenerSimpleCB registered against
820 * @event_type: a string specifying the event type for which this
821 * listener is to be deregistered.
823 * deregisters an #AtspiEventListenerSimpleCB from the registry, for a specific
826 * Returns: #TRUE if successful, otherwise #FALSE.
829 atspi_event_listener_deregister_no_data (AtspiEventListenerSimpleCB callback,
830 const gchar *event_type,
833 return atspi_event_listener_deregister_from_callback (remove_datum, callback,
839 atspi_event_copy (AtspiEvent *src)
841 AtspiEvent *dst = g_new0 (AtspiEvent, 1);
842 dst->type = g_strdup (src->type);
843 dst->source = g_object_ref (src->source);
844 dst->detail1 = src->detail1;
845 dst->detail2 = src->detail2;
846 g_value_init (&dst->any_data, G_VALUE_TYPE (&src->any_data));
847 g_value_copy (&src->any_data, &dst->any_data);
852 atspi_event_free (AtspiEvent *event)
854 g_object_unref (event->source);
855 g_free (event->type);
856 g_value_unset (&event->any_data);
861 detail_matches_listener (const char *event_detail, const char *listener_detail)
863 if (!listener_detail)
867 return (listener_detail ? FALSE : TRUE);
869 return !(listener_detail [strcspn (listener_detail, ":")] == '\0'
870 ? strncmp (listener_detail, event_detail,
871 strcspn (event_detail, ":"))
872 : strcmp (listener_detail, event_detail));
876 _atspi_send_event (AtspiEvent *e)
878 char *category, *name, *detail;
880 GList *called_listeners = NULL;
882 /* Ensure that the value is set to avoid a Python exception */
883 /* TODO: Figure out how to do this without using a private field */
884 if (e->any_data.g_type == 0)
886 g_value_init (&e->any_data, G_TYPE_INT);
887 g_value_set_int (&e->any_data, 0);
890 if (!convert_event_type_to_dbus (e->type, &category, &name, &detail, NULL))
892 g_warning ("Atspi: Couldn't parse event: %s\n", e->type);
895 for (l = event_listeners; l; l = g_list_next (l))
897 EventListenerEntry *entry = l->data;
898 if (!strcmp (category, entry->category) &&
899 (entry->name == NULL || !strcmp (name, entry->name)) &&
900 detail_matches_listener (detail, entry->detail))
903 for (l2 = called_listeners; l2; l2 = l2->next)
905 EventListenerEntry *e2 = l2->data;
906 if (entry->callback == e2->callback && entry->user_data == e2->user_data)
911 entry->callback (atspi_event_copy (e), entry->user_data);
912 called_listeners = g_list_prepend (called_listeners, entry);
916 if (detail) g_free (detail);
919 g_list_free (called_listeners);
923 _atspi_dbus_handle_event (DBusConnection *bus, DBusMessage *message, void *data)
926 const char *category = dbus_message_get_interface (message);
927 const char *member = dbus_message_get_member (message);
928 const char *signature = dbus_message_get_signature (message);
930 gchar *converted_type;
931 DBusMessageIter iter, iter_variant;
932 dbus_message_iter_init (message, &iter);
934 dbus_int32_t detail1, detail2;
936 GHashTable *cache = NULL;
938 if (strcmp (signature, "siiv(so)") != 0 &&
939 strcmp (signature, "siiva{sv}") != 0)
941 g_warning ("Got invalid signature %s for signal %s from interface %s\n", signature, member, category);
942 return DBUS_HANDLER_RESULT_HANDLED;
945 memset (&e, 0, sizeof (e));
949 category = g_utf8_strrchr (category, -1, '.');
950 if (category == NULL)
953 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
957 dbus_message_iter_get_basic (&iter, &detail);
958 dbus_message_iter_next (&iter);
959 dbus_message_iter_get_basic (&iter, &detail1);
961 dbus_message_iter_next (&iter);
962 dbus_message_iter_get_basic (&iter, &detail2);
964 dbus_message_iter_next (&iter);
966 converted_type = convert_name_from_dbus (category, FALSE);
967 name = convert_name_from_dbus (member, FALSE);
968 detail = convert_name_from_dbus (detail, TRUE);
970 if (strcasecmp (category, name) != 0)
972 p = g_strconcat (converted_type, ":", name, NULL);
973 g_free (converted_type);
976 else if (detail [0] == '\0')
978 p = g_strconcat (converted_type, ":", NULL);
979 g_free (converted_type);
983 if (detail[0] != '\0')
985 p = g_strconcat (converted_type, ":", detail, NULL);
986 g_free (converted_type);
989 e.type = converted_type;
990 e.source = _atspi_ref_accessible (dbus_message_get_sender(message), dbus_message_get_path(message));
992 dbus_message_iter_recurse (&iter, &iter_variant);
993 switch (dbus_message_iter_get_arg_type (&iter_variant))
995 case DBUS_TYPE_STRUCT:
998 if (demarshal_rect (&iter_variant, &rect))
1000 g_value_init (&e.any_data, ATSPI_TYPE_RECT);
1001 g_value_set_boxed (&e.any_data, &rect);
1005 AtspiAccessible *accessible;
1006 accessible = _atspi_dbus_return_accessible_from_iter (&iter_variant);
1007 g_value_init (&e.any_data, ATSPI_TYPE_ACCESSIBLE);
1008 g_value_set_instance (&e.any_data, accessible);
1010 g_object_unref (accessible); /* value now owns it */
1014 case DBUS_TYPE_STRING:
1016 dbus_message_iter_get_basic (&iter_variant, &p);
1017 g_value_init (&e.any_data, G_TYPE_STRING);
1018 g_value_set_string (&e.any_data, p);
1025 dbus_message_iter_next (&iter);
1026 if (dbus_message_iter_get_arg_type (&iter) == DBUS_TYPE_ARRAY)
1028 /* new form -- parse properties sent with event */
1029 _atspi_dbus_update_cache_from_dict (e.source, &iter);
1032 if (!strncmp (e.type, "object:children-changed", 23))
1034 cache_process_children_changed (&e);
1036 else if (!strncmp (e.type, "object:property-change", 22))
1038 cache_process_property_change (&e);
1040 else if (!strncmp (e.type, "object:state-changed", 20))
1042 cache_process_state_changed (&e);
1044 else if (!strncmp (e.type, "focus", 5))
1046 /* BGO#663992 - TODO: figure out the real problem */
1047 e.source->cached_properties &= ~(ATSPI_CACHE_STATES);
1050 _atspi_send_event (&e);
1053 _atspi_accessible_unref_cache (e.source);
1055 g_free (converted_type);
1058 g_object_unref (e.source);
1059 g_value_unset (&e.any_data);
1060 return DBUS_HANDLER_RESULT_HANDLED;
1063 G_DEFINE_BOXED_TYPE (AtspiEvent, atspi_event, atspi_event_copy, atspi_event_free)