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 g_ptr_array_remove (event->source->children, child); /* just to be safe */
214 if (event->detail1 < 0 || event->detail1 > event->source->children->len)
216 event->source->cached_properties &= ~ATSPI_CACHE_CHILDREN;
219 /* Unfortunately, there's no g_ptr_array_insert or similar */
220 g_ptr_array_add (event->source->children, NULL);
221 memmove (event->source->children->pdata + event->detail1 + 1,
222 event->source->children->pdata + event->detail1,
223 (event->source->children->len - event->detail1 - 1) * sizeof (gpointer));
224 g_ptr_array_index (event->source->children, event->detail1) = g_object_ref (child);
228 g_ptr_array_remove (event->source->children, child);
229 if (child == child->parent.app->root)
230 g_object_run_dispose (G_OBJECT (child->parent.app));
235 cache_process_property_change (AtspiEvent *event)
237 if (!strcmp (event->type, "object:property-change:accessible-parent"))
239 if (event->source->accessible_parent)
240 g_object_unref (event->source->accessible_parent);
241 if (G_VALUE_HOLDS (&event->any_data, ATSPI_TYPE_ACCESSIBLE))
243 event->source->accessible_parent = g_value_dup_object (&event->any_data);
244 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_PARENT);
248 event->source->accessible_parent = NULL;
249 event->source->cached_properties &= ~ATSPI_CACHE_PARENT;
252 else if (!strcmp (event->type, "object:property-change:accessible-name"))
254 if (event->source->name)
255 g_free (event->source->name);
256 if (G_VALUE_HOLDS_STRING (&event->any_data))
258 event->source->name = g_value_dup_string (&event->any_data);
259 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_NAME);
263 event->source->name = NULL;
264 event->source->cached_properties &= ~ATSPI_CACHE_NAME;
267 else if (!strcmp (event->type, "object:property-change:accessible-description"))
269 if (event->source->description)
270 g_free (event->source->description);
271 if (G_VALUE_HOLDS_STRING (&event->any_data))
273 event->source->description = g_value_dup_string (&event->any_data);
274 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_DESCRIPTION);
278 event->source->description = NULL;
279 event->source->cached_properties &= ~ATSPI_CACHE_DESCRIPTION;
282 else if (!strcmp (event->type, "object:property-change:accessible-role"))
284 if (G_VALUE_HOLDS_INT (&event->any_data))
286 event->source->role = g_value_get_int (&event->any_data);
287 _atspi_accessible_add_cache (event->source, ATSPI_CACHE_ROLE);
291 event->source->cached_properties &= ~ATSPI_CACHE_ROLE;
297 cache_process_state_changed (AtspiEvent *event)
299 if (event->source->states)
300 atspi_state_set_set_by_name (event->source->states, event->type + 21,
305 demarshal_rect (DBusMessageIter *iter, AtspiRect *rect)
307 dbus_int32_t x, y, width, height;
308 DBusMessageIter iter_struct;
310 dbus_message_iter_recurse (iter, &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, &x);
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, &y);
316 dbus_message_iter_next (&iter_struct);
317 if (dbus_message_iter_get_arg_type (&iter_struct) != DBUS_TYPE_INT32) return FALSE;
318 dbus_message_iter_get_basic (&iter_struct, &width);
319 dbus_message_iter_next (&iter_struct);
320 if (dbus_message_iter_get_arg_type (&iter_struct) != DBUS_TYPE_INT32) return FALSE;
321 dbus_message_iter_get_basic (&iter_struct, &height);
325 rect->height = height;
330 strdup_and_adjust_for_dbus (const char *s)
332 gchar *d = g_strdup (s);
343 memmove (p, p + 1, g_utf8_strlen (p, -1));
351 p [1] = toupper (p [1]);
355 d [0] = toupper (d [0]);
360 convert_event_type_to_dbus (const char *eventType, char **categoryp, char **namep, char **detailp, GPtrArray **matchrule_array)
362 gchar *tmp = strdup_and_adjust_for_dbus (eventType);
363 char *category = NULL, *name = NULL, *detail = NULL;
364 char *saveptr = NULL;
366 if (tmp == NULL) return FALSE;
367 category = strtok_r (tmp, ":", &saveptr);
368 if (category) category = g_strdup (category);
369 name = strtok_r (NULL, ":", &saveptr);
372 name = g_strdup (name);
373 detail = strtok_r (NULL, ":", &saveptr);
374 if (detail) detail = g_strdup (detail);
379 matchrule = g_strdup_printf ("type='signal',interface='org.a11y.atspi.Event.%s'", category);
380 if (name && name [0])
382 gchar *new_str = g_strconcat (matchrule, ",member='", name, "'", NULL);
386 (*matchrule_array) = g_ptr_array_new ();
387 if (detail && detail [0])
389 gchar *new_str = g_strconcat (matchrule, ",arg0='", detail, "'", NULL);
390 g_ptr_array_add (*matchrule_array, new_str);
391 new_str = g_strconcat (matchrule, ",arg0path='", detail, "/'", NULL);
392 g_ptr_array_add (*matchrule_array, new_str);
396 g_ptr_array_add (*matchrule_array, matchrule);
398 if (categoryp) *categoryp = category;
399 else g_free (category);
400 if (namep) *namep = name;
401 else if (name) g_free (name);
402 if (detailp) *detailp = detail;
403 else if (detail) g_free (detail);
409 listener_entry_free (EventListenerEntry *e)
411 gpointer callback = (e->callback == remove_datum ? (gpointer)e->user_data : (gpointer)e->callback);
412 g_free (e->event_type);
413 g_free (e->category);
415 if (e->detail) g_free (e->detail);
416 callback_unref (callback);
421 * atspi_event_listener_register:
422 * @listener: The #AtspiEventListener to register against an event type.
423 * @event_type: a character string indicating the type of events for which
424 * notification is requested. Format is
425 * EventClass:major_type:minor_type:detail
426 * where all subfields other than EventClass are optional.
427 * EventClasses include "object", "window", "mouse",
428 * and toolkit events (e.g. "Gtk", "AWT").
429 * Examples: "focus:", "Gtk:GtkWidget:button_press_event".
431 * Adds an in-process callback function to an existing #AtspiEventListener.
433 * Legal object event types:
435 * (property change events)
437 * object:property-change
438 * object:property-change:accessible-name
439 * object:property-change:accessible-description
440 * object:property-change:accessible-parent
441 * object:property-change:accessible-value
442 * object:property-change:accessible-role
443 * object:property-change:accessible-table-caption
444 * object:property-change:accessible-table-column-description
445 * object:property-change:accessible-table-column-header
446 * object:property-change:accessible-table-row-description
447 * object:property-change:accessible-table-row-header
448 * object:property-change:accessible-table-summary
450 * (other object events)
452 * object:state-changed
453 * object:children-changed
454 * object:visible-data-changed
455 * object:selection-changed
456 * object:text-selection-changed
457 * object:text-changed
458 * object:text-caret-moved
459 * object:row-inserted
460 * object:row-reordered
462 * object:column-inserted
463 * object:column-reordered
464 * object:column-deleted
465 * object:model-changed
466 * object:active-descendant-changed
476 * window:desktop-create
477 * window:desktop-destroy
500 * NOTE: this character string may be UTF-8, but should not contain byte
502 * (ascii ':'), except as a delimiter, since non-UTF-8 string
503 * delimiting functions are used internally.
504 * In general, listening to
505 * toolkit-specific events is not recommended.
508 * Returns: #TRUE if successful, otherwise #FALSE.
511 atspi_event_listener_register (AtspiEventListener *listener,
512 const gchar *event_type,
515 /* TODO: Keep track of which events have been registered, so that we
516 * deregister all of them when the event listener is destroyed */
518 return atspi_event_listener_register_from_callback (listener->callback,
520 listener->cb_destroyed,
525 * atspi_event_listener_register_full:
526 * @listener: The #AtspiEventListener to register against an event type.
527 * @event_type: a character string indicating the type of events for which
528 * notification is requested. See #atspi_event_listener_register
529 * for a description of the format and legal event types.
530 * @properties: (element-type gchar*) (transfer none) (allow-none): a list of
531 * properties that should be sent along with the event. The
532 * properties are valued for the duration of the event callback.k
535 * Adds an in-process callback function to an existing #AtspiEventListener.
537 * Returns: #TRUE if successful, otherwise #FALSE.
540 atspi_event_listener_register_full (AtspiEventListener *listener,
541 const gchar *event_type,
545 /* TODO: Keep track of which events have been registered, so that we
546 * deregister all of them when the event listener is destroyed */
548 return atspi_event_listener_register_from_callback_full (listener->callback,
550 listener->cb_destroyed,
557 notify_event_registered (EventListenerEntry *e)
561 dbind_method_call_reentrant (_atspi_bus (), atspi_bus_registry,
563 atspi_interface_registry,
565 NULL, "sas", e->event_type,
568 dbind_method_call_reentrant (_atspi_bus (), atspi_bus_registry,
570 atspi_interface_registry,
572 NULL, "s", e->event_type);
578 * atspi_event_listener_register_from_callback:
579 * @callback: (scope notified): the #AtspiEventListenerCB to be registered
580 * against an event type.
581 * @user_data: (closure): User data to be passed to the callback.
582 * @callback_destroyed: A #GDestroyNotify called when the callback is destroyed.
583 * @event_type: a character string indicating the type of events for which
584 * notification is requested. See #atspi_event_listener_register
585 * for a description of the format.
587 * Registers an #AtspiEventListenerCB against an @event_type.
589 * Returns: #TRUE if successfull, otherwise #FALSE.
593 atspi_event_listener_register_from_callback (AtspiEventListenerCB callback,
595 GDestroyNotify callback_destroyed,
596 const gchar *event_type,
599 return atspi_event_listener_register_from_callback_full (callback,
607 copy_event_properties (GArray *src)
611 GArray *dst = g_array_new (FALSE, FALSE, sizeof (char *));
615 for (i = 0; i < src->len; i++)
617 gchar *dup = g_strdup (g_array_index (src, char *, i));
618 g_array_append_val (dst, dup);
624 atspi_event_listener_register_from_callback_full (AtspiEventListenerCB callback,
626 GDestroyNotify callback_destroyed,
627 const gchar *event_type,
631 EventListenerEntry *e;
633 GPtrArray *matchrule_array;
643 g_warning ("called atspi_event_listener_register_from_callback with a NULL event_type");
647 e = g_new (EventListenerEntry, 1);
648 e->event_type = g_strdup (event_type);
649 e->callback = callback;
650 e->user_data = user_data;
651 e->callback_destroyed = callback_destroyed;
652 callback_ref (callback == remove_datum ? (gpointer)user_data : (gpointer)callback,
654 if (!convert_event_type_to_dbus (event_type, &e->category, &e->name, &e->detail, &matchrule_array))
659 e->properties = copy_event_properties (properties);
660 event_listeners = g_list_prepend (event_listeners, e);
661 for (i = 0; i < matchrule_array->len; i++)
663 char *matchrule = g_ptr_array_index (matchrule_array, i);
664 dbus_error_init (&d_error);
665 dbus_bus_add_match (_atspi_bus(), matchrule, &d_error);
666 if (dbus_error_is_set (&d_error))
668 g_warning ("Atspi: Adding match: %s", d_error.message);
669 dbus_error_free (&d_error);
670 /* TODO: Set error */
675 g_ptr_array_free (matchrule_array, TRUE);
677 notify_event_registered (e);
682 _atspi_reregister_event_listeners ()
685 EventListenerEntry *e;
687 for (l = event_listeners; l; l = l->next)
690 notify_event_registered (e);
695 * atspi_event_listener_register_no_data: (skip)
696 * @callback: (scope notified): the #AtspiEventListenerSimpleCB to be
697 * registered against an event type.
698 * @callback_destroyed: A #GDestroyNotify called when the callback is destroyed.
699 * @event_type: a character string indicating the type of events for which
700 * notification is requested. Format is
701 * EventClass:major_type:minor_type:detail
702 * where all subfields other than EventClass are optional.
703 * EventClasses include "object", "window", "mouse",
704 * and toolkit events (e.g. "Gtk", "AWT").
705 * Examples: "focus:", "Gtk:GtkWidget:button_press_event".
707 * Registers an #AtspiEventListenetSimpleCB. The method is similar to
708 * #atspi_event_listener_register, but @callback takes no user_data.
710 * Returns: #TRUE if successfull, otherwise #FALSE.
713 atspi_event_listener_register_no_data (AtspiEventListenerSimpleCB callback,
714 GDestroyNotify callback_destroyed,
715 const gchar *event_type,
718 return atspi_event_listener_register_from_callback (remove_datum, callback,
724 is_superset (const gchar *super, const gchar *sub)
726 if (!super || !super [0])
728 return (strcmp (super, sub) == 0);
732 * atspi_event_listener_deregister:
733 * @listener: The #AtspiEventListener to deregister.
734 * @event_type: a string specifying the event type for which this
735 * listener is to be deregistered.
737 * Deregisters an #AtspiEventListener from the registry, for a specific
740 * Returns: #TRUE if successful, otherwise #FALSE.
743 atspi_event_listener_deregister (AtspiEventListener *listener,
744 const gchar *event_type,
747 return atspi_event_listener_deregister_from_callback (listener->callback,
753 * atspi_event_listener_deregister_from_callback:
754 * @callback: (scope call): the #AtspiEventListenerCB registered against an
756 * @user_data: (closure): User data that was passed in for this callback.
757 * @event_type: a string specifying the event type for which this
758 * listener is to be deregistered.
760 * Deregisters an #AtspiEventListenerCB from the registry, for a specific
763 * Returns: #TRUE if successful, otherwise #FALSE.
766 atspi_event_listener_deregister_from_callback (AtspiEventListenerCB callback,
768 const gchar *event_type,
771 char *category, *name, *detail;
772 GPtrArray *matchrule_array;
776 if (!convert_event_type_to_dbus (event_type, &category, &name, &detail, &matchrule_array))
785 for (l = event_listeners; l;)
787 EventListenerEntry *e = l->data;
788 if (e->callback == callback &&
789 e->user_data == user_data &&
790 is_superset (category, e->category) &&
791 is_superset (name, e->name) &&
792 is_superset (detail, e->detail))
794 gboolean need_replace;
795 DBusMessage *message, *reply;
796 need_replace = (l == event_listeners);
797 l = g_list_remove (l, e);
800 for (i = 0; i < matchrule_array->len; i++)
802 char *matchrule = g_ptr_array_index (matchrule_array, i);
803 dbus_bus_remove_match (_atspi_bus(), matchrule, NULL);
805 message = dbus_message_new_method_call (atspi_bus_registry,
807 atspi_interface_registry,
811 dbus_message_append_args (message, DBUS_TYPE_STRING, &event_type, DBUS_TYPE_INVALID);
812 reply = _atspi_dbus_send_with_reply_and_block (message, error);
814 dbus_message_unref (reply);
816 listener_entry_free (e);
818 else l = g_list_next (l);
822 if (detail) g_free (detail);
823 for (i = 0; i < matchrule_array->len; i++)
824 g_free (g_ptr_array_index (matchrule_array, i));
825 g_ptr_array_free (matchrule_array, TRUE);
830 * atspi_event_listener_deregister_no_data: (skip)
831 * @callback: (scope call): the #AtspiEventListenerSimpleCB registered against
833 * @event_type: a string specifying the event type for which this
834 * listener is to be deregistered.
836 * deregisters an #AtspiEventListenerSimpleCB from the registry, for a specific
839 * Returns: #TRUE if successful, otherwise #FALSE.
842 atspi_event_listener_deregister_no_data (AtspiEventListenerSimpleCB callback,
843 const gchar *event_type,
846 return atspi_event_listener_deregister_from_callback (remove_datum, callback,
852 atspi_event_copy (AtspiEvent *src)
854 AtspiEvent *dst = g_new0 (AtspiEvent, 1);
855 dst->type = g_strdup (src->type);
856 dst->source = g_object_ref (src->source);
857 dst->detail1 = src->detail1;
858 dst->detail2 = src->detail2;
859 g_value_init (&dst->any_data, G_VALUE_TYPE (&src->any_data));
860 g_value_copy (&src->any_data, &dst->any_data);
865 atspi_event_free (AtspiEvent *event)
867 g_object_unref (event->source);
868 g_free (event->type);
869 g_value_unset (&event->any_data);
874 detail_matches_listener (const char *event_detail, const char *listener_detail)
876 if (!listener_detail)
880 return (listener_detail ? FALSE : TRUE);
882 return !(listener_detail [strcspn (listener_detail, ":")] == '\0'
883 ? strncmp (listener_detail, event_detail,
884 strcspn (event_detail, ":"))
885 : strcmp (listener_detail, event_detail));
889 _atspi_send_event (AtspiEvent *e)
891 char *category, *name, *detail;
893 GList *called_listeners = NULL;
895 /* Ensure that the value is set to avoid a Python exception */
896 /* TODO: Figure out how to do this without using a private field */
897 if (e->any_data.g_type == 0)
899 g_value_init (&e->any_data, G_TYPE_INT);
900 g_value_set_int (&e->any_data, 0);
903 if (!convert_event_type_to_dbus (e->type, &category, &name, &detail, NULL))
905 g_warning ("Atspi: Couldn't parse event: %s\n", e->type);
908 for (l = event_listeners; l; l = g_list_next (l))
910 EventListenerEntry *entry = l->data;
911 if (!strcmp (category, entry->category) &&
912 (entry->name == NULL || !strcmp (name, entry->name)) &&
913 detail_matches_listener (detail, entry->detail))
916 for (l2 = called_listeners; l2; l2 = l2->next)
918 EventListenerEntry *e2 = l2->data;
919 if (entry->callback == e2->callback && entry->user_data == e2->user_data)
924 entry->callback (atspi_event_copy (e), entry->user_data);
925 called_listeners = g_list_prepend (called_listeners, entry);
929 if (detail) g_free (detail);
932 g_list_free (called_listeners);
936 _atspi_dbus_handle_event (DBusConnection *bus, DBusMessage *message, void *data)
939 const char *category = dbus_message_get_interface (message);
940 const char *member = dbus_message_get_member (message);
941 const char *signature = dbus_message_get_signature (message);
943 gchar *converted_type;
944 DBusMessageIter iter, iter_variant;
945 dbus_message_iter_init (message, &iter);
947 dbus_int32_t detail1, detail2;
949 GHashTable *cache = NULL;
951 if (strcmp (signature, "siiv(so)") != 0 &&
952 strcmp (signature, "siiva{sv}") != 0)
954 g_warning ("Got invalid signature %s for signal %s from interface %s\n", signature, member, category);
955 return DBUS_HANDLER_RESULT_HANDLED;
958 memset (&e, 0, sizeof (e));
962 category = g_utf8_strrchr (category, -1, '.');
963 if (category == NULL)
966 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
970 dbus_message_iter_get_basic (&iter, &detail);
971 dbus_message_iter_next (&iter);
972 dbus_message_iter_get_basic (&iter, &detail1);
974 dbus_message_iter_next (&iter);
975 dbus_message_iter_get_basic (&iter, &detail2);
977 dbus_message_iter_next (&iter);
979 converted_type = convert_name_from_dbus (category, FALSE);
980 name = convert_name_from_dbus (member, FALSE);
981 detail = convert_name_from_dbus (detail, TRUE);
983 if (strcasecmp (category, name) != 0)
985 p = g_strconcat (converted_type, ":", name, NULL);
986 g_free (converted_type);
989 else if (detail [0] == '\0')
991 p = g_strconcat (converted_type, ":", NULL);
992 g_free (converted_type);
996 if (detail[0] != '\0')
998 p = g_strconcat (converted_type, ":", detail, NULL);
999 g_free (converted_type);
1002 e.type = converted_type;
1003 e.source = _atspi_ref_accessible (dbus_message_get_sender(message), dbus_message_get_path(message));
1004 if (e.source == NULL)
1006 g_warning ("Got no valid source accessible for signal for signal %s from interface %s\n", member, category);
1007 return DBUS_HANDLER_RESULT_HANDLED;
1010 dbus_message_iter_recurse (&iter, &iter_variant);
1011 switch (dbus_message_iter_get_arg_type (&iter_variant))
1013 case DBUS_TYPE_STRUCT:
1016 if (demarshal_rect (&iter_variant, &rect))
1018 g_value_init (&e.any_data, ATSPI_TYPE_RECT);
1019 g_value_set_boxed (&e.any_data, &rect);
1023 AtspiAccessible *accessible;
1024 accessible = _atspi_dbus_return_accessible_from_iter (&iter_variant);
1025 g_value_init (&e.any_data, ATSPI_TYPE_ACCESSIBLE);
1026 g_value_set_instance (&e.any_data, accessible);
1028 g_object_unref (accessible); /* value now owns it */
1032 case DBUS_TYPE_STRING:
1034 dbus_message_iter_get_basic (&iter_variant, &p);
1035 g_value_init (&e.any_data, G_TYPE_STRING);
1036 g_value_set_string (&e.any_data, p);
1043 dbus_message_iter_next (&iter);
1044 if (dbus_message_iter_get_arg_type (&iter) == DBUS_TYPE_ARRAY)
1046 /* new form -- parse properties sent with event */
1047 cache = _atspi_dbus_update_cache_from_dict (e.source, &iter);
1050 if (!strncmp (e.type, "object:children-changed", 23))
1052 cache_process_children_changed (&e);
1054 else if (!strncmp (e.type, "object:property-change", 22))
1056 cache_process_property_change (&e);
1058 else if (!strncmp (e.type, "object:state-changed", 20))
1060 cache_process_state_changed (&e);
1062 else if (!strncmp (e.type, "focus", 5))
1064 /* BGO#663992 - TODO: figure out the real problem */
1065 e.source->cached_properties &= ~(ATSPI_CACHE_STATES);
1068 _atspi_send_event (&e);
1071 _atspi_accessible_unref_cache (e.source);
1073 g_free (converted_type);
1076 g_object_unref (e.source);
1077 g_value_unset (&e.any_data);
1078 return DBUS_HANDLER_RESULT_HANDLED;
1081 G_DEFINE_BOXED_TYPE (AtspiEvent, atspi_event, atspi_event_copy, atspi_event_free)