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 ("AT-SPI: 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);
213 if (!strncmp (event->type, "object:children-changed:add", 27))
215 g_ptr_array_remove (event->source->children, child); /* just to be safe */
216 if (event->detail1 < 0 || event->detail1 > event->source->children->len)
218 event->source->cached_properties &= ~ATSPI_CACHE_CHILDREN;
221 /* Unfortunately, there's no g_ptr_array_insert or similar */
222 g_ptr_array_add (event->source->children, NULL);
223 memmove (event->source->children->pdata + event->detail1 + 1,
224 event->source->children->pdata + event->detail1,
225 (event->source->children->len - event->detail1 - 1) * sizeof (gpointer));
226 g_ptr_array_index (event->source->children, event->detail1) = g_object_ref (child);
230 g_ptr_array_remove (event->source->children, child);
231 if (child == child->parent.app->root)
232 g_object_run_dispose (G_OBJECT (child->parent.app));
237 cache_process_property_change (AtspiEvent *event)
239 if (!strcmp (event->type, "object:property-change:accessible-parent"))
241 if (event->source->accessible_parent)
242 g_object_unref (event->source->accessible_parent);
243 if (G_VALUE_HOLDS (&event->any_data, ATSPI_TYPE_ACCESSIBLE))
245 event->source->accessible_parent = g_value_dup_object (&event->any_data);
246 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_PARENT);
250 event->source->accessible_parent = NULL;
251 event->source->cached_properties &= ~ATSPI_CACHE_PARENT;
254 else if (!strcmp (event->type, "object:property-change:accessible-name"))
256 if (event->source->name)
257 g_free (event->source->name);
258 if (G_VALUE_HOLDS_STRING (&event->any_data))
260 event->source->name = g_value_dup_string (&event->any_data);
261 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_NAME);
265 event->source->name = NULL;
266 event->source->cached_properties &= ~ATSPI_CACHE_NAME;
269 else if (!strcmp (event->type, "object:property-change:accessible-description"))
271 if (event->source->description)
272 g_free (event->source->description);
273 if (G_VALUE_HOLDS_STRING (&event->any_data))
275 event->source->description = g_value_dup_string (&event->any_data);
276 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_DESCRIPTION);
280 event->source->description = NULL;
281 event->source->cached_properties &= ~ATSPI_CACHE_DESCRIPTION;
284 else if (!strcmp (event->type, "object:property-change:accessible-role"))
286 if (G_VALUE_HOLDS_INT (&event->any_data))
288 event->source->role = g_value_get_int (&event->any_data);
289 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_ROLE);
293 event->source->cached_properties &= ~ATSPI_CACHE_ROLE;
299 cache_process_state_changed (AtspiEvent *event)
301 if (event->source->states)
302 atspi_state_set_set_by_name (event->source->states, event->type + 21,
307 demarshal_rect (DBusMessageIter *iter, AtspiRect *rect)
309 dbus_int32_t x, y, width, height;
310 DBusMessageIter iter_struct;
312 dbus_message_iter_recurse (iter, &iter_struct);
313 if (dbus_message_iter_get_arg_type (&iter_struct) != DBUS_TYPE_INT32) return FALSE;
314 dbus_message_iter_get_basic (&iter_struct, &x);
315 dbus_message_iter_next (&iter_struct);
316 if (dbus_message_iter_get_arg_type (&iter_struct) != DBUS_TYPE_INT32) return FALSE;
317 dbus_message_iter_get_basic (&iter_struct, &y);
318 dbus_message_iter_next (&iter_struct);
319 if (dbus_message_iter_get_arg_type (&iter_struct) != DBUS_TYPE_INT32) return FALSE;
320 dbus_message_iter_get_basic (&iter_struct, &width);
321 dbus_message_iter_next (&iter_struct);
322 if (dbus_message_iter_get_arg_type (&iter_struct) != DBUS_TYPE_INT32) return FALSE;
323 dbus_message_iter_get_basic (&iter_struct, &height);
327 rect->height = height;
332 strdup_and_adjust_for_dbus (const char *s)
334 gchar *d = g_strdup (s);
345 memmove (p, p + 1, g_utf8_strlen (p, -1));
353 p [1] = toupper (p [1]);
357 d [0] = toupper (d [0]);
362 convert_event_type_to_dbus (const char *eventType, char **categoryp, char **namep, char **detailp, GPtrArray **matchrule_array)
364 gchar *tmp = strdup_and_adjust_for_dbus (eventType);
365 char *category = NULL, *name = NULL, *detail = NULL;
366 char *saveptr = NULL;
368 if (tmp == NULL) return FALSE;
369 category = strtok_r (tmp, ":", &saveptr);
370 if (category) category = g_strdup (category);
371 name = strtok_r (NULL, ":", &saveptr);
374 name = g_strdup (name);
375 detail = strtok_r (NULL, ":", &saveptr);
376 if (detail) detail = g_strdup (detail);
381 matchrule = g_strdup_printf ("type='signal',interface='org.a11y.atspi.Event.%s'", category);
382 if (name && name [0])
384 gchar *new_str = g_strconcat (matchrule, ",member='", name, "'", NULL);
388 (*matchrule_array) = g_ptr_array_new ();
389 if (detail && detail [0])
391 gchar *new_str = g_strconcat (matchrule, ",arg0='", detail, "'", NULL);
392 g_ptr_array_add (*matchrule_array, new_str);
393 new_str = g_strconcat (matchrule, ",arg0path='", detail, "/'", NULL);
394 g_ptr_array_add (*matchrule_array, new_str);
398 g_ptr_array_add (*matchrule_array, matchrule);
400 if (categoryp) *categoryp = category;
401 else g_free (category);
402 if (namep) *namep = name;
403 else if (name) g_free (name);
404 if (detailp) *detailp = detail;
405 else if (detail) g_free (detail);
411 listener_entry_free (EventListenerEntry *e)
413 gpointer callback = (e->callback == remove_datum ? (gpointer)e->user_data : (gpointer)e->callback);
414 g_free (e->event_type);
415 g_free (e->category);
417 if (e->detail) g_free (e->detail);
418 callback_unref (callback);
423 * atspi_event_listener_register:
424 * @listener: The #AtspiEventListener to register against an event type.
425 * @event_type: a character string indicating the type of events for which
426 * notification is requested. Format is
427 * EventClass:major_type:minor_type:detail
428 * where all subfields other than EventClass are optional.
429 * EventClasses include "object", "window", "mouse",
430 * and toolkit events (e.g. "Gtk", "AWT").
431 * Examples: "focus:", "Gtk:GtkWidget:button_press_event".
433 * Adds an in-process callback function to an existing #AtspiEventListener.
435 * Legal object event types:
437 * (property change events)
439 * object:property-change
440 * object:property-change:accessible-name
441 * object:property-change:accessible-description
442 * object:property-change:accessible-parent
443 * object:property-change:accessible-value
444 * object:property-change:accessible-role
445 * object:property-change:accessible-table-caption
446 * object:property-change:accessible-table-column-description
447 * object:property-change:accessible-table-column-header
448 * object:property-change:accessible-table-row-description
449 * object:property-change:accessible-table-row-header
450 * object:property-change:accessible-table-summary
452 * (other object events)
454 * object:state-changed
455 * object:children-changed
456 * object:visible-data-changed
457 * object:selection-changed
458 * object:text-selection-changed
459 * object:text-changed
460 * object:text-caret-moved
461 * object:row-inserted
462 * object:row-reordered
464 * object:column-inserted
465 * object:column-reordered
466 * object:column-deleted
467 * object:model-changed
468 * object:active-descendant-changed
478 * window:desktop-create
479 * window:desktop-destroy
502 * NOTE: this character string may be UTF-8, but should not contain byte
504 * (ascii ':'), except as a delimiter, since non-UTF-8 string
505 * delimiting functions are used internally.
506 * In general, listening to
507 * toolkit-specific events is not recommended.
510 * Returns: #TRUE if successful, otherwise #FALSE.
513 atspi_event_listener_register (AtspiEventListener *listener,
514 const gchar *event_type,
517 /* TODO: Keep track of which events have been registered, so that we
518 * deregister all of them when the event listener is destroyed */
520 return atspi_event_listener_register_from_callback (listener->callback,
522 listener->cb_destroyed,
527 * atspi_event_listener_register_full:
528 * @listener: The #AtspiEventListener to register against an event type.
529 * @event_type: a character string indicating the type of events for which
530 * notification is requested. See #atspi_event_listener_register
531 * for a description of the format and legal event types.
532 * @properties: (element-type gchar*) (transfer none) (allow-none): a list of
533 * properties that should be sent along with the event. The
534 * properties are valued for the duration of the event callback.k
537 * Adds an in-process callback function to an existing #AtspiEventListener.
539 * Returns: #TRUE if successful, otherwise #FALSE.
542 atspi_event_listener_register_full (AtspiEventListener *listener,
543 const gchar *event_type,
547 /* TODO: Keep track of which events have been registered, so that we
548 * deregister all of them when the event listener is destroyed */
550 return atspi_event_listener_register_from_callback_full (listener->callback,
552 listener->cb_destroyed,
559 notify_event_registered (EventListenerEntry *e)
563 dbind_method_call_reentrant (_atspi_bus (), atspi_bus_registry,
565 atspi_interface_registry,
567 NULL, "sas", e->event_type,
570 dbind_method_call_reentrant (_atspi_bus (), atspi_bus_registry,
572 atspi_interface_registry,
574 NULL, "s", e->event_type);
580 * atspi_event_listener_register_from_callback:
581 * @callback: (scope notified): the #AtspiEventListenerCB to be registered
582 * against an event type.
583 * @user_data: (closure): User data to be passed to the callback.
584 * @callback_destroyed: A #GDestroyNotify called when the callback is destroyed.
585 * @event_type: a character string indicating the type of events for which
586 * notification is requested. See #atspi_event_listener_register
587 * for a description of the format.
589 * Registers an #AtspiEventListenerCB against an @event_type.
591 * Returns: #TRUE if successfull, otherwise #FALSE.
595 atspi_event_listener_register_from_callback (AtspiEventListenerCB callback,
597 GDestroyNotify callback_destroyed,
598 const gchar *event_type,
601 return atspi_event_listener_register_from_callback_full (callback,
609 copy_event_properties (GArray *src)
613 GArray *dst = g_array_new (FALSE, FALSE, sizeof (char *));
617 for (i = 0; i < src->len; i++)
619 gchar *dup = g_strdup (g_array_index (src, char *, i));
620 g_array_append_val (dst, dup);
626 * atspi_event_listener_register_from_callback_full:
627 * @callback: (scope async): an #AtspiEventListenerCB function pointer.
628 * @user_data: (closure callback)
629 * @callback_destroyed: (destroy callback)
631 * @properties: (element-type utf8)
634 * Returns: #TRUE if successful, otherwise #FALSE.
638 atspi_event_listener_register_from_callback_full (AtspiEventListenerCB callback,
640 GDestroyNotify callback_destroyed,
641 const gchar *event_type,
645 EventListenerEntry *e;
647 GPtrArray *matchrule_array;
657 g_warning ("called atspi_event_listener_register_from_callback with a NULL event_type");
661 e = g_new (EventListenerEntry, 1);
662 e->event_type = g_strdup (event_type);
663 e->callback = callback;
664 e->user_data = user_data;
665 e->callback_destroyed = callback_destroyed;
666 callback_ref (callback == remove_datum ? (gpointer)user_data : (gpointer)callback,
668 if (!convert_event_type_to_dbus (event_type, &e->category, &e->name, &e->detail, &matchrule_array))
673 e->properties = copy_event_properties (properties);
674 event_listeners = g_list_prepend (event_listeners, e);
675 for (i = 0; i < matchrule_array->len; i++)
677 char *matchrule = g_ptr_array_index (matchrule_array, i);
678 dbus_error_init (&d_error);
679 dbus_bus_add_match (_atspi_bus(), matchrule, &d_error);
680 if (dbus_error_is_set (&d_error))
682 g_warning ("AT-SPI: Adding match: %s", d_error.message);
683 dbus_error_free (&d_error);
684 /* TODO: Set error */
689 g_ptr_array_free (matchrule_array, TRUE);
691 notify_event_registered (e);
696 _atspi_reregister_event_listeners ()
699 EventListenerEntry *e;
701 for (l = event_listeners; l; l = l->next)
704 notify_event_registered (e);
709 * atspi_event_listener_register_no_data: (skip)
710 * @callback: (scope notified): the #AtspiEventListenerSimpleCB to be
711 * registered against an event type.
712 * @callback_destroyed: A #GDestroyNotify called when the callback is destroyed.
713 * @event_type: a character string indicating the type of events for which
714 * notification is requested. Format is
715 * EventClass:major_type:minor_type:detail
716 * where all subfields other than EventClass are optional.
717 * EventClasses include "object", "window", "mouse",
718 * and toolkit events (e.g. "Gtk", "AWT").
719 * Examples: "focus:", "Gtk:GtkWidget:button_press_event".
721 * Registers an #AtspiEventListenetSimpleCB. The method is similar to
722 * #atspi_event_listener_register, but @callback takes no user_data.
724 * Returns: #TRUE if successfull, otherwise #FALSE.
727 atspi_event_listener_register_no_data (AtspiEventListenerSimpleCB callback,
728 GDestroyNotify callback_destroyed,
729 const gchar *event_type,
732 return atspi_event_listener_register_from_callback (remove_datum, callback,
738 is_superset (const gchar *super, const gchar *sub)
740 if (!super || !super [0])
742 return (strcmp (super, sub) == 0);
746 * atspi_event_listener_deregister:
747 * @listener: The #AtspiEventListener to deregister.
748 * @event_type: a string specifying the event type for which this
749 * listener is to be deregistered.
751 * Deregisters an #AtspiEventListener from the registry, for a specific
754 * Returns: #TRUE if successful, otherwise #FALSE.
757 atspi_event_listener_deregister (AtspiEventListener *listener,
758 const gchar *event_type,
761 return atspi_event_listener_deregister_from_callback (listener->callback,
767 * atspi_event_listener_deregister_from_callback:
768 * @callback: (scope call): the #AtspiEventListenerCB registered against an
770 * @user_data: (closure): User data that was passed in for this callback.
771 * @event_type: a string specifying the event type for which this
772 * listener is to be deregistered.
774 * Deregisters an #AtspiEventListenerCB from the registry, for a specific
777 * Returns: #TRUE if successful, otherwise #FALSE.
780 atspi_event_listener_deregister_from_callback (AtspiEventListenerCB callback,
782 const gchar *event_type,
785 char *category, *name, *detail;
786 GPtrArray *matchrule_array;
789 gboolean result = TRUE;
795 if (!convert_event_type_to_dbus (event_type, &category, &name, &detail, &matchrule_array))
800 for (l = event_listeners; l;)
802 EventListenerEntry *e = l->data;
803 if (e->callback == callback &&
804 e->user_data == user_data &&
805 is_superset (category, e->category) &&
806 is_superset (name, e->name) &&
807 is_superset (detail, e->detail))
809 gboolean need_replace;
810 DBusMessage *message, *reply;
811 need_replace = (l == event_listeners);
812 l = g_list_remove (l, e);
815 for (i = 0; i < matchrule_array->len; i++)
817 char *matchrule = g_ptr_array_index (matchrule_array, i);
818 dbus_bus_remove_match (_atspi_bus(), matchrule, NULL);
820 message = dbus_message_new_method_call (atspi_bus_registry,
822 atspi_interface_registry,
828 dbus_message_append_args (message, DBUS_TYPE_STRING, &event_type, DBUS_TYPE_INVALID);
829 reply = _atspi_dbus_send_with_reply_and_block (message, error);
831 dbus_message_unref (reply);
833 listener_entry_free (e);
835 else l = g_list_next (l);
839 if (detail) g_free (detail);
840 for (i = 0; i < matchrule_array->len; i++)
841 g_free (g_ptr_array_index (matchrule_array, i));
842 g_ptr_array_free (matchrule_array, TRUE);
847 * atspi_event_listener_deregister_no_data: (skip)
848 * @callback: (scope call): the #AtspiEventListenerSimpleCB registered against
850 * @event_type: a string specifying the event type for which this
851 * listener is to be deregistered.
853 * deregisters an #AtspiEventListenerSimpleCB from the registry, for a specific
856 * Returns: #TRUE if successful, otherwise #FALSE.
859 atspi_event_listener_deregister_no_data (AtspiEventListenerSimpleCB callback,
860 const gchar *event_type,
863 return atspi_event_listener_deregister_from_callback (remove_datum, callback,
869 atspi_event_copy (AtspiEvent *src)
871 AtspiEvent *dst = g_new0 (AtspiEvent, 1);
872 dst->type = g_strdup (src->type);
873 dst->source = g_object_ref (src->source);
874 dst->detail1 = src->detail1;
875 dst->detail2 = src->detail2;
876 g_value_init (&dst->any_data, G_VALUE_TYPE (&src->any_data));
877 g_value_copy (&src->any_data, &dst->any_data);
882 atspi_event_free (AtspiEvent *event)
884 g_object_unref (event->source);
885 g_free (event->type);
886 g_value_unset (&event->any_data);
891 detail_matches_listener (const char *event_detail, const char *listener_detail)
893 if (!listener_detail)
899 return !(listener_detail [strcspn (listener_detail, ":")] == '\0'
900 ? strncmp (listener_detail, event_detail,
901 strcspn (event_detail, ":"))
902 : strcmp (listener_detail, event_detail));
906 _atspi_send_event (AtspiEvent *e)
908 char *category, *name, *detail;
910 GList *called_listeners = NULL;
912 /* Ensure that the value is set to avoid a Python exception */
913 /* TODO: Figure out how to do this without using a private field */
914 if (e->any_data.g_type == 0)
916 g_value_init (&e->any_data, G_TYPE_INT);
917 g_value_set_int (&e->any_data, 0);
920 if (!convert_event_type_to_dbus (e->type, &category, &name, &detail, NULL))
922 g_warning ("AT-SPI: Couldn't parse event: %s\n", e->type);
925 for (l = event_listeners; l; l = g_list_next (l))
927 EventListenerEntry *entry = l->data;
928 if (!strcmp (category, entry->category) &&
929 (entry->name == NULL || !strcmp (name, entry->name)) &&
930 detail_matches_listener (detail, entry->detail))
933 for (l2 = called_listeners; l2; l2 = l2->next)
935 EventListenerEntry *e2 = l2->data;
936 if (entry->callback == e2->callback && entry->user_data == e2->user_data)
941 entry->callback (atspi_event_copy (e), entry->user_data);
942 called_listeners = g_list_prepend (called_listeners, entry);
946 if (detail) g_free (detail);
949 g_list_free (called_listeners);
953 _atspi_dbus_handle_event (DBusConnection *bus, DBusMessage *message, void *data)
956 const char *category = dbus_message_get_interface (message);
957 const char *member = dbus_message_get_member (message);
958 const char *signature = dbus_message_get_signature (message);
960 gchar *converted_type;
961 DBusMessageIter iter, iter_variant;
962 dbus_message_iter_init (message, &iter);
964 dbus_int32_t detail1, detail2;
966 GHashTable *cache = NULL;
968 if (strcmp (signature, "siiv(so)") != 0 &&
969 strcmp (signature, "siiva{sv}") != 0)
971 g_warning ("Got invalid signature %s for signal %s from interface %s\n", signature, member, category);
972 return DBUS_HANDLER_RESULT_HANDLED;
975 memset (&e, 0, sizeof (e));
980 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
983 category = g_utf8_strrchr (category, -1, '.');
984 if (category == NULL)
987 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
991 dbus_message_iter_get_basic (&iter, &detail);
992 dbus_message_iter_next (&iter);
993 dbus_message_iter_get_basic (&iter, &detail1);
995 dbus_message_iter_next (&iter);
996 dbus_message_iter_get_basic (&iter, &detail2);
998 dbus_message_iter_next (&iter);
1000 converted_type = convert_name_from_dbus (category, FALSE);
1001 name = convert_name_from_dbus (member, FALSE);
1002 detail = convert_name_from_dbus (detail, TRUE);
1004 if (strcasecmp (category, name) != 0)
1006 p = g_strconcat (converted_type, ":", name, NULL);
1007 g_free (converted_type);
1010 else if (detail [0] == '\0')
1012 p = g_strconcat (converted_type, ":", NULL);
1013 g_free (converted_type);
1017 if (detail[0] != '\0')
1019 p = g_strconcat (converted_type, ":", detail, NULL);
1020 g_free (converted_type);
1023 e.type = converted_type;
1024 e.source = _atspi_ref_accessible (dbus_message_get_sender(message), dbus_message_get_path(message));
1025 if (e.source == NULL)
1027 g_warning ("Got no valid source accessible for signal for signal %s from interface %s\n", member, category);
1028 g_free (converted_type);
1031 return DBUS_HANDLER_RESULT_HANDLED;
1034 dbus_message_iter_recurse (&iter, &iter_variant);
1035 switch (dbus_message_iter_get_arg_type (&iter_variant))
1037 case DBUS_TYPE_STRUCT:
1040 if (demarshal_rect (&iter_variant, &rect))
1042 g_value_init (&e.any_data, ATSPI_TYPE_RECT);
1043 g_value_set_boxed (&e.any_data, &rect);
1047 AtspiAccessible *accessible;
1048 accessible = _atspi_dbus_return_accessible_from_iter (&iter_variant);
1049 g_value_init (&e.any_data, ATSPI_TYPE_ACCESSIBLE);
1050 g_value_set_instance (&e.any_data, accessible);
1052 g_object_unref (accessible); /* value now owns it */
1056 case DBUS_TYPE_STRING:
1058 dbus_message_iter_get_basic (&iter_variant, &p);
1059 g_value_init (&e.any_data, G_TYPE_STRING);
1060 g_value_set_string (&e.any_data, p);
1067 dbus_message_iter_next (&iter);
1068 if (dbus_message_iter_get_arg_type (&iter) == DBUS_TYPE_ARRAY)
1070 /* new form -- parse properties sent with event */
1071 cache = _atspi_dbus_update_cache_from_dict (e.source, &iter);
1074 if (!strncmp (e.type, "object:children-changed", 23))
1076 cache_process_children_changed (&e);
1078 else if (!strncmp (e.type, "object:property-change", 22))
1080 cache_process_property_change (&e);
1082 else if (!strncmp (e.type, "object:state-changed", 20))
1084 cache_process_state_changed (&e);
1086 else if (!strncmp (e.type, "focus", 5))
1088 /* BGO#663992 - TODO: figure out the real problem */
1089 e.source->cached_properties &= ~(ATSPI_CACHE_STATES);
1092 _atspi_send_event (&e);
1095 _atspi_accessible_unref_cache (e.source);
1097 g_free (converted_type);
1100 g_object_unref (e.source);
1101 g_value_unset (&e.any_data);
1102 return DBUS_HANDLER_RESULT_HANDLED;
1105 G_DEFINE_BOXED_TYPE (AtspiEvent, atspi_event, atspi_event_copy, atspi_event_free)