2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2008, 2010 Codethink Ltd.
6 * Copyright 2001, 2002 Sun Microsystems Inc.,
7 * Copyright 2001, 2002 Ximian, 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.
31 #include "introspection.h"
33 typedef struct event_data event_data;
42 children_added_listener (DBusConnection * bus,
48 children_removed_listener (DBusConnection * bus,
53 /*---------------------------------------------------------------------------*/
55 typedef struct _SpiReference
62 spi_reference_new (const gchar *name, const gchar *path)
66 ref = g_new0 (SpiReference, 1);
67 ref->name = g_strdup (name);
68 ref->path = g_strdup (path);
74 spi_reference_free (SpiReference *ref)
81 /*---------------------------------------------------------------------------*/
83 G_DEFINE_TYPE(SpiRegistry, spi_registry, G_TYPE_OBJECT)
86 spi_registry_class_init (SpiRegistryClass *klass)
88 spi_registry_parent_class = g_type_class_ref (G_TYPE_OBJECT);
92 spi_registry_init (SpiRegistry *registry)
94 registry->apps = g_ptr_array_new_with_free_func ((GDestroyNotify) spi_reference_free);
97 /*---------------------------------------------------------------------------*/
100 return_v_string (DBusMessageIter * iter, const gchar * str)
102 DBusMessageIter variant;
104 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "s",
108 dbus_message_iter_append_basic (&variant, DBUS_TYPE_STRING, &str);
109 dbus_message_iter_close_container (iter, &variant);
114 append_reference (DBusMessageIter * iter, const char * name, const char * path)
116 DBusMessageIter iter_struct;
118 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
121 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &name);
122 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &path);
123 dbus_message_iter_close_container (iter, &iter_struct);
127 /*---------------------------------------------------------------------------*/
130 compare_reference (SpiReference *one, SpiReference *two)
132 if (g_strcmp0 (one->name, two->name) == 0 &&
133 g_strcmp0 (one->path, two->path) == 0)
140 find_index_of_reference (GPtrArray *arr, const gchar *name, const gchar * path, guint *index)
143 gboolean found = FALSE;
146 ref = spi_reference_new (name, path);
148 for (i = 0; i < arr->len; i++)
150 if (compare_reference (ref, g_ptr_array_index (arr, i)))
157 spi_reference_free (ref);
164 add_application (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
166 g_ptr_array_add (reg->apps, spi_reference_new (name, path));
167 children_added_listener (bus, reg->apps->len - 1, name, path);
171 set_id (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
173 DBusMessage *message;
174 DBusMessageIter iter, iter_variant;
175 const char *iface_application = "org.a11y.atspi.Application";
176 const char *id = "Id";
178 message = dbus_message_new_method_call (name, path,
179 DBUS_INTERFACE_PROPERTIES, "Set");
182 dbus_message_iter_init_append (message, &iter);
183 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &iface_application);
184 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &id);
185 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "i", &iter_variant);
186 dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, ®->id);
187 /* TODO: This will cause problems if we cycle through 2^31 ids */
189 dbus_message_iter_close_container (&iter, &iter_variant);
190 dbus_connection_send (bus, message, NULL);
191 dbus_message_unref (message);
195 remove_application (SpiRegistry *reg, DBusConnection *bus, guint index)
197 SpiReference *ref = g_ptr_array_index (reg->apps, index);
199 spi_remove_device_listeners (reg->dec, ref->name);
200 children_removed_listener (bus, index, ref->name, ref->path);
201 g_ptr_array_remove_index (reg->apps, index);
205 event_is_subtype (gchar **needle, gchar **haystack)
207 while (*haystack && **haystack)
209 if (g_strcmp0 (*needle, *haystack))
218 needs_mouse_poll (char **event)
220 if (g_strcmp0 (event [0], "Mouse") != 0)
222 if (!event [1] || !event [1][0])
224 return (g_strcmp0 (event [1], "Abs") == 0);
228 remove_events (SpiRegistry *registry, const char *bus_name, const char *event)
232 gboolean mouse_found = FALSE;
235 remove_data = g_strsplit (event, ":", 3);
241 for (list = registry->events; list;)
243 event_data *evdata = list->data;
245 if (!g_strcmp0 (evdata->bus_name, bus_name) &&
246 event_is_subtype (evdata->data, remove_data))
248 g_strfreev (evdata->data);
249 g_free (evdata->bus_name);
250 g_slist_free_full (evdata->properties, g_free);
252 registry->events = g_list_remove (registry->events, evdata);
256 if (needs_mouse_poll (evdata->data))
262 spi_device_event_controller_stop_poll_mouse ();
264 g_strfreev (remove_data);
266 signal = dbus_message_new_signal (SPI_DBUS_PATH_REGISTRY,
267 SPI_DBUS_INTERFACE_REGISTRY,
268 "EventListenerDeregistered");
269 dbus_message_append_args (signal, DBUS_TYPE_STRING, &bus_name,
270 DBUS_TYPE_STRING, &event, DBUS_TYPE_INVALID);
271 dbus_connection_send (registry->bus, signal, NULL);
272 dbus_message_unref (signal);
276 handle_disconnection (DBusConnection *bus, DBusMessage *message, void *user_data)
278 char *name, *old, *new;
279 SpiRegistry *reg = SPI_REGISTRY (user_data);
281 if (dbus_message_get_args (message, NULL,
282 DBUS_TYPE_STRING, &name,
283 DBUS_TYPE_STRING, &old,
284 DBUS_TYPE_STRING, &new,
287 if (*old != '\0' && *new == '\0')
289 /* Remove all children with the application name the same as the disconnected application. */
291 for (i = 0; i < reg->apps->len; i++)
293 SpiReference *ref = g_ptr_array_index (reg->apps, i);
294 if (!g_strcmp0 (old, ref->name))
296 remove_application (reg, bus, i);
301 remove_events (reg, old, "");
307 * Converts names of the form "active-descendant-changed" to
308 *" ActiveDescendantChanged"
311 ensure_proper_format (const char *name)
313 gchar *ret = (gchar *) g_malloc (strlen (name) * 2 + 2);
315 gboolean need_upper = TRUE;
323 *p++ = toupper (*name);
326 else if (*name == '-')
328 else if (*name == ':')
341 static DBusHandlerResult
342 signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
344 guint res = DBUS_HANDLER_RESULT_HANDLED;
345 const gint type = dbus_message_get_type (message);
346 const char *iface = dbus_message_get_interface (message);
347 const char *member = dbus_message_get_member (message);
349 if (type != DBUS_MESSAGE_TYPE_SIGNAL)
350 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
352 if (!g_strcmp0(iface, DBUS_INTERFACE_DBUS) &&
353 !g_strcmp0(member, "NameOwnerChanged"))
354 handle_disconnection (bus, message, user_data);
356 res = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
361 /* org.at_spi.Socket interface */
362 /*---------------------------------------------------------------------------*/
365 impl_Embed (DBusConnection *bus, DBusMessage *message, void *user_data)
367 SpiRegistry *reg = SPI_REGISTRY (user_data);
368 DBusMessageIter iter, iter_struct;
369 const gchar *app_name, *obj_path;
371 DBusMessage *reply = NULL;
372 DBusMessageIter reply_iter;
374 dbus_message_iter_init (message, &iter);
375 dbus_message_iter_recurse (&iter, &iter_struct);
376 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
378 dbus_message_iter_get_basic (&iter_struct, &app_name);
380 app_name = dbus_message_get_sender (message);
381 if (!dbus_message_iter_next (&iter_struct))
383 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
385 dbus_message_iter_get_basic (&iter_struct, &obj_path);
387 add_application(reg, bus, app_name, obj_path);
389 set_id (reg, bus, app_name, obj_path);
391 reply = dbus_message_new_method_return (message);
392 dbus_message_iter_init_append (reply, &reply_iter);
393 append_reference (&reply_iter,
394 dbus_bus_get_unique_name (bus),
399 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
403 impl_Unembed (DBusConnection *bus, DBusMessage *message, void *user_data)
405 SpiRegistry *reg = SPI_REGISTRY (user_data);
406 DBusMessageIter iter, iter_struct;
407 gchar *app_name, *obj_path;
410 dbus_message_iter_init (message, &iter);
411 dbus_message_iter_recurse (&iter, &iter_struct);
412 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
414 dbus_message_iter_get_basic (&iter_struct, &app_name);
415 if (!dbus_message_iter_next (&iter_struct))
417 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
419 dbus_message_iter_get_basic (&iter_struct, &obj_path);
421 if (find_index_of_reference (reg->apps, app_name, obj_path, &index))
422 remove_application(reg, bus, index);
426 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
429 /* org.at_spi.Component interface */
430 /*---------------------------------------------------------------------------*/
433 impl_Contains (DBusConnection * bus, DBusMessage * message, void *user_data)
435 dbus_bool_t retval = FALSE;
438 reply = dbus_message_new_method_return (message);
439 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
445 impl_GetAccessibleAtPoint (DBusConnection * bus, DBusMessage * message,
448 DBusMessage *reply = NULL;
449 DBusMessageIter iter;
451 reply = dbus_message_new_method_return (message);
452 dbus_message_iter_init_append (reply, &iter);
453 append_reference (&iter,
454 dbus_bus_get_unique_name (bus),
461 impl_GetExtents (DBusConnection * bus, DBusMessage * message, void *user_data)
463 dbus_int32_t x = 0, y = 0, width = 1024, height = 768;
465 DBusMessageIter iter, iter_struct;
467 reply = dbus_message_new_method_return (message);
468 dbus_message_iter_init_append (reply, &iter);
469 dbus_message_iter_open_container (&iter, DBUS_TYPE_STRUCT, NULL,
471 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &x);
472 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &y);
473 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &width);
474 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &height);
475 dbus_message_iter_close_container (&iter, &iter_struct);
480 impl_GetPosition (DBusConnection * bus, DBusMessage * message,
484 dbus_int32_t x = 0, y = 0;
486 reply = dbus_message_new_method_return (message);
487 dbus_message_append_args (reply, DBUS_TYPE_INT32, &x, DBUS_TYPE_INT32,
488 &y, DBUS_TYPE_INVALID);
493 impl_GetSize (DBusConnection * bus, DBusMessage * message, void *user_data)
495 /* TODO - Get the screen size */
497 dbus_int32_t width = 1024, height = 768;
499 reply = dbus_message_new_method_return (message);
500 dbus_message_append_args (reply, DBUS_TYPE_INT32, &width,
501 DBUS_TYPE_INT32, &height, DBUS_TYPE_INVALID);
505 #define LAYER_WIDGET 3;
508 impl_GetLayer (DBusConnection * bus, DBusMessage * message, void *user_data)
511 dbus_uint32_t rv = LAYER_WIDGET;
513 reply = dbus_message_new_method_return (message);
514 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv,
520 impl_GetMDIZOrder (DBusConnection * bus, DBusMessage * message,
526 reply = dbus_message_new_method_return (message);
527 dbus_message_append_args (reply, DBUS_TYPE_INT16, &rv,
533 impl_GrabFocus (DBusConnection * bus, DBusMessage * message, void *user_data)
536 dbus_bool_t retval = FALSE;
538 reply = dbus_message_new_method_return (message);
539 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
545 impl_GetAlpha (DBusConnection * bus, DBusMessage * message, void *user_data)
550 reply = dbus_message_new_method_return (message);
551 dbus_message_append_args (reply, DBUS_TYPE_DOUBLE, &rv,
556 /* org.at_spi.Accessible interface */
557 /*---------------------------------------------------------------------------*/
560 impl_get_Name (DBusMessageIter * iter, void *user_data)
562 const gchar *name = "main";
563 return return_v_string (iter, name);
567 impl_get_Description (DBusMessageIter * iter, void *user_data)
569 const gchar *description = "";
570 return return_v_string (iter, description);
574 impl_get_Parent (DBusMessageIter * iter, void *user_data)
576 const gchar *name = "";
577 DBusMessageIter iter_variant;
579 dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "(so)",
581 append_reference (&iter_variant,
584 dbus_message_iter_close_container (iter, &iter_variant);
589 impl_get_ChildCount (DBusMessageIter * iter, void *user_data)
591 SpiRegistry *reg = SPI_REGISTRY (user_data);
592 dbus_int32_t rv = reg->apps->len;
594 DBusMessageIter iter_variant;
596 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "i",
599 result = dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, &rv);
600 dbus_message_iter_close_container (iter, &iter_variant);
605 impl_get_ToolkitName (DBusMessageIter * iter, void *user_data)
607 return return_v_string (iter, "at-spi-registry");
611 impl_get_ToolkitVersion (DBusMessageIter * iter, void *user_data)
613 return return_v_string (iter, "2.0");
617 impl_GetChildAtIndex (DBusConnection * bus,
618 DBusMessage * message, void *user_data)
620 SpiRegistry *reg = SPI_REGISTRY (user_data);
622 DBusMessageIter iter;
627 dbus_error_init (&error);
628 if (!dbus_message_get_args
629 (message, &error, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID))
631 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
634 reply = dbus_message_new_method_return (message);
635 dbus_message_iter_init_append (reply, &iter);
637 if (i < 0 || i >= reg->apps->len)
638 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_NULL);
641 ref = g_ptr_array_index (reg->apps, i);
642 append_reference (&iter, ref->name, ref->path);
649 impl_GetChildren (DBusConnection * bus,
650 DBusMessage * message, void *user_data)
652 DBusMessage *reply = NULL;
653 DBusMessageIter iter, iter_array;
654 SpiRegistry *reg = SPI_REGISTRY (user_data);
657 reply = dbus_message_new_method_return (message);
659 dbus_message_iter_init_append (reply, &iter);
660 dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &iter_array);
661 for (i=0; i < reg->apps->len; i++)
663 SpiReference *current = g_ptr_array_index (reg->apps, i);
664 append_reference (&iter_array, current->name, current->path);
666 dbus_message_iter_close_container(&iter, &iter_array);
671 impl_GetIndexInParent (DBusConnection * bus,
672 DBusMessage * message, void *user_data)
675 dbus_uint32_t rv = 0;
677 reply = dbus_message_new_method_return (message);
678 dbus_message_append_args (reply, DBUS_TYPE_INT32, &rv, DBUS_TYPE_INVALID);
683 impl_GetRelationSet (DBusConnection * bus,
684 DBusMessage * message, void *user_data)
687 DBusMessageIter iter, iter_array;
689 reply = dbus_message_new_method_return (message);
690 dbus_message_iter_init_append (reply, &iter);
691 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ua(so))", &iter_array);
692 dbus_message_iter_close_container (&iter, &iter_array);
698 impl_GetRole (DBusConnection * bus, DBusMessage * message, void * user_data)
701 dbus_uint32_t rv = 14; /* TODO: Get DESKTOP_FRAME from somewhere */
703 reply = dbus_message_new_method_return (message);
704 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv, DBUS_TYPE_INVALID);
709 impl_GetRoleName (DBusConnection * bus,
710 DBusMessage * message, void *user_data)
713 const char *role_name = "desktop frame";
715 reply = dbus_message_new_method_return (message);
716 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
722 impl_GetLocalizedRoleName (DBusConnection * bus,
723 DBusMessage * message, void *user_data)
725 /* TODO - Localize this */
727 const char *role_name = "desktop frame";
729 reply = dbus_message_new_method_return (message);
730 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
736 impl_GetState (DBusConnection * bus, DBusMessage * message, void *user_data)
738 DBusMessage *reply = NULL;
739 DBusMessageIter iter, iter_array;
741 dbus_uint32_t states[2] = {0, 0};
744 reply = dbus_message_new_method_return (message);
745 dbus_message_iter_init_append (reply, &iter);
747 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "u", &iter_array);
748 for (count = 0; count < 2; count++)
750 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_UINT32,
753 dbus_message_iter_close_container (&iter, &iter_array);
758 impl_GetAttributes (DBusConnection * bus,
759 DBusMessage * message, void *user_data)
761 DBusMessage *reply = NULL;
762 DBusMessageIter iter, array;
764 reply = dbus_message_new_method_return (message);
765 dbus_message_iter_init_append (reply, &iter);
766 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "{ss}", &array);
767 dbus_message_iter_close_container (&iter, &array);
773 impl_GetApplication (DBusConnection * bus,
774 DBusMessage * message, void *user_data)
776 DBusMessage *reply = NULL;
777 DBusMessageIter iter;
779 reply = dbus_message_new_method_return (message);
780 dbus_message_iter_init_append (reply, &iter);
781 append_reference (&iter,
782 dbus_bus_get_unique_name (bus),
789 impl_GetInterfaces (DBusConnection * bus,
790 DBusMessage * message, void *user_data)
793 DBusMessageIter iter, iter_array;
795 const char *acc = SPI_DBUS_INTERFACE_ACCESSIBLE;
796 const char *com = SPI_DBUS_INTERFACE_COMPONENT;
798 reply = dbus_message_new_method_return (message);
800 dbus_message_iter_init_append (reply, &iter);
801 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "s",
803 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &acc);
804 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &com);
805 dbus_message_iter_close_container (&iter, &iter_array);
811 impl_GetItems (DBusConnection * bus, DBusMessage * message, void *user_data)
814 DBusMessageIter iter, iter_array;
816 reply = dbus_message_new_method_return (message);
818 dbus_message_iter_init_append (reply, &iter);
819 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
820 "((so)(so)(so)a(so)assusau)", &iter_array);
821 dbus_message_iter_close_container (&iter, &iter_array);
825 /* I would rather these two be signals, but I'm not sure that dbus-python
826 * supports emitting signals except for a service, so implementing as both
827 * a method call and signal for now.
830 impl_register_event (DBusConnection *bus, DBusMessage *message, void *user_data)
832 SpiRegistry *registry = SPI_REGISTRY (user_data);
833 const char *orig_name;
838 const char *sender = dbus_message_get_sender (message);
839 DBusMessageIter iter, iter_array;
840 const char *signature = dbus_message_get_signature (message);
842 if (strcmp (signature, "sas") != 0 &&
843 strcmp (signature, "s") != 0)
845 g_warning ("got RegisterEvent with invalid signature '%s'", signature);
849 dbus_message_iter_init (message, &iter);
850 dbus_message_iter_get_basic (&iter, &orig_name);
851 dbus_message_iter_next (&iter);
852 name = ensure_proper_format (orig_name);
854 evdata = g_new0 (event_data, 1);
855 data = g_strsplit (name, ":", 3);
856 evdata->bus_name = g_strdup (sender);
859 if (dbus_message_iter_get_arg_type (&iter) == DBUS_TYPE_ARRAY)
861 dbus_message_iter_recurse (&iter, &iter_array);
862 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
864 const char *property;
865 dbus_message_iter_get_basic (&iter_array, &property);
866 evdata->properties = g_slist_append (evdata->properties,
867 g_strdup (property));
868 dbus_message_iter_next (&iter_array);
871 registry->events = g_list_append (registry->events, evdata);
873 if (needs_mouse_poll (evdata->data))
875 spi_device_event_controller_start_poll_mouse (registry);
878 signal = dbus_message_new_signal (SPI_DBUS_PATH_REGISTRY,
879 SPI_DBUS_INTERFACE_REGISTRY,
880 "EventListenerRegistered");
883 GSList *ls = evdata->properties;
884 dbus_message_iter_init_append (signal, &iter);
885 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &sender);
886 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &name);
887 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "s", &iter_array);
890 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &ls->data);
891 ls = g_slist_next (ls);
893 dbus_message_iter_close_container (&iter, &iter_array);
894 dbus_connection_send (bus, signal, NULL);
895 dbus_message_unref (signal);
899 return dbus_message_new_method_return (message);
903 impl_deregister_event (DBusConnection *bus, DBusMessage *message, void *user_data)
905 SpiRegistry *registry = SPI_REGISTRY (user_data);
906 const char *orig_name;
908 const char *sender = dbus_message_get_sender (message);
910 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &orig_name,
913 name = ensure_proper_format (orig_name);
915 remove_events (registry, sender, name);
918 return dbus_message_new_method_return (message);
922 impl_get_registered_events (DBusConnection *bus, DBusMessage *message, void *user_data)
924 SpiRegistry *registry = SPI_REGISTRY (user_data);
927 DBusMessageIter iter, iter_struct, iter_array;
930 reply = dbus_message_new_method_return (message);
934 dbus_message_iter_init_append (reply, &iter);
935 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ss)", &iter_array);
936 for (list = registry->events; list; list = list->next)
940 str = g_strconcat (evdata->data [0],
941 ":", (evdata->data [1]? evdata->data [1]: ""),
942 ":", (evdata->data [1] && evdata->data [2]? evdata->data [2]: ""), NULL);
943 dbus_message_iter_open_container (&iter_array, DBUS_TYPE_STRUCT, NULL, &iter_struct);
944 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &evdata->bus_name);
945 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &str);
946 dbus_message_iter_close_container (&iter_array, &iter_struct);
949 dbus_message_iter_close_container (&iter, &iter_array);
953 /*---------------------------------------------------------------------------*/
956 emit_Available (DBusConnection * bus)
959 DBusMessageIter iter;
961 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, SPI_DBUS_INTERFACE_SOCKET, "Available");
963 dbus_message_iter_init_append(sig, &iter);
964 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_ROOT);
966 dbus_connection_send(bus, sig, NULL);
967 dbus_message_unref(sig);
970 /*---------------------------------------------------------------------------*/
972 static const char *introspection_header =
973 "<?xml version=\"1.0\"?>\n";
975 static const char *introspection_node_element =
976 "<node name=\"%s\">\n";
978 static const char *introspection_footer =
982 impl_Introspect_root (DBusConnection * bus,
983 DBusMessage * message, void *user_data)
988 const gchar *pathstr = SPI_DBUS_PATH_ROOT;
992 output = g_string_new(introspection_header);
994 g_string_append_printf(output, introspection_node_element, pathstr);
996 g_string_append (output, spi_org_a11y_atspi_Accessible);
997 g_string_append (output, spi_org_a11y_atspi_Component);
999 g_string_append(output, introspection_footer);
1000 final = g_string_free(output, FALSE);
1002 reply = dbus_message_new_method_return (message);
1003 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
1009 static DBusMessage *
1010 impl_Introspect_registry (DBusConnection * bus,
1011 DBusMessage * message, void *user_data)
1016 const gchar *pathstr = SPI_DBUS_PATH_REGISTRY;
1020 output = g_string_new(introspection_header);
1022 g_string_append_printf(output, introspection_node_element, pathstr);
1024 g_string_append (output, spi_org_a11y_atspi_Registry);
1026 g_string_append(output, introspection_footer);
1027 final = g_string_free(output, FALSE);
1029 reply = dbus_message_new_method_return (message);
1030 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
1036 /*---------------------------------------------------------------------------*/
1039 * Emits an AT-SPI event.
1040 * AT-SPI events names are split into three parts:
1042 * This is mapped onto D-Bus events as:
1043 * D-Bus Interface:Signal Name:Detail argument
1045 * Marshals a basic type into the 'any_data' attribute of
1049 emit_event (DBusConnection *bus,
1053 dbus_int32_t detail1,
1054 dbus_int32_t detail2,
1059 DBusMessageIter iter, iter_variant;
1061 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, klass, major);
1063 dbus_message_iter_init_append(sig, &iter);
1065 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &minor);
1066 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
1067 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
1069 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(so)",
1071 append_reference (&iter_variant, name, path);
1072 dbus_message_iter_close_container (&iter, &iter_variant);
1074 append_reference (&iter,
1075 dbus_bus_get_unique_name (bus),
1076 SPI_DBUS_PATH_ROOT);
1078 dbus_connection_send(bus, sig, NULL);
1079 dbus_message_unref(sig);
1082 /*---------------------------------------------------------------------------*/
1085 * Children changed signal converter and forwarder.
1087 * Klass (Interface) org.a11y.atspi.Event.Object
1088 * Major is the signal name.
1089 * Minor is 'add' or 'remove'
1090 * detail1 is the index.
1092 * any_data is the child reference.
1096 children_added_listener (DBusConnection * bus,
1101 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "add", index, 0,
1106 children_removed_listener (DBusConnection * bus,
1111 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "remove", index, 0,
1115 /*---------------------------------------------------------------------------*/
1117 static DBusHandlerResult
1118 handle_method_root (DBusConnection *bus, DBusMessage *message, void *user_data)
1120 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1122 const gchar *iface = dbus_message_get_interface (message);
1123 const gchar *member = dbus_message_get_member (message);
1124 const gint type = dbus_message_get_type (message);
1126 DBusMessage *reply = NULL;
1128 /* Check for basic reasons not to handle */
1129 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1132 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1134 if (!strcmp (iface, "org.freedesktop.DBus.Properties"))
1136 if (!strcmp (member, "Get"))
1138 const gchar *prop_iface;
1139 const gchar *prop_member;
1142 dbus_error_init (&error);
1143 if (dbus_message_get_args (message,
1151 DBusMessageIter iter;
1153 reply = dbus_message_new_method_return (message);
1154 dbus_message_iter_init_append (reply, &iter);
1157 if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1159 if (!strcmp (prop_member, "Name"))
1160 impl_get_Name (&iter, user_data);
1161 else if (!strcmp (prop_member, "Description"))
1162 impl_get_Description (&iter, user_data);
1163 else if (!strcmp (prop_member, "Parent"))
1164 impl_get_Parent (&iter, user_data);
1165 else if (!strcmp (prop_member, "ChildCount"))
1166 impl_get_ChildCount (&iter, user_data);
1169 dbus_message_unref (reply);
1170 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1173 else if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_APPLICATION))
1175 if (!strcmp (prop_member, "ToolkitName"))
1176 impl_get_ToolkitName (&iter, user_data);
1177 else if (!strcmp (prop_member, "ToolkitVersion"))
1178 impl_get_ToolkitVersion (&iter, user_data);
1181 dbus_message_unref (reply);
1182 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1187 dbus_message_unref (reply);
1188 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1193 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, error.message);
1195 result = DBUS_HANDLER_RESULT_HANDLED;
1197 else if (!strcmp (member, "GetAll"))
1199 result = DBUS_HANDLER_RESULT_HANDLED;
1203 if (!strcmp (iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1205 result = DBUS_HANDLER_RESULT_HANDLED;
1206 if (!strcmp (member, "GetChildAtIndex"))
1207 reply = impl_GetChildAtIndex (bus, message, user_data);
1208 else if (!strcmp (member, "GetChildren"))
1209 reply = impl_GetChildren (bus, message, user_data);
1210 else if (!strcmp (member, "GetIndexInParent"))
1211 reply = impl_GetIndexInParent (bus, message, user_data);
1212 else if (!strcmp (member, "GetRelationSet"))
1213 reply = impl_GetRelationSet (bus, message, user_data);
1214 else if (!strcmp (member, "GetRole"))
1215 reply = impl_GetRole (bus, message, user_data);
1216 else if (!strcmp (member, "GetRoleName"))
1217 reply = impl_GetRoleName (bus, message, user_data);
1218 else if (!strcmp (member, "GetLocalizedRoleName"))
1219 reply = impl_GetLocalizedRoleName (bus, message, user_data);
1220 else if (!strcmp (member, "GetState"))
1221 reply = impl_GetState (bus, message, user_data);
1222 else if (!strcmp (member, "GetAttributes"))
1223 reply = impl_GetAttributes (bus, message, user_data);
1224 else if (!strcmp (member, "GetApplication"))
1225 reply = impl_GetApplication (bus, message, user_data);
1226 else if (!strcmp (member, "GetInterfaces"))
1227 reply = impl_GetInterfaces (bus, message, user_data);
1229 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1232 if (!strcmp (iface, SPI_DBUS_INTERFACE_COMPONENT))
1234 result = DBUS_HANDLER_RESULT_HANDLED;
1235 if (!strcmp (member, "Contains"))
1236 reply = impl_Contains (bus, message, user_data);
1237 else if (!strcmp (member, "GetAccessibleAtPoint"))
1238 reply = impl_GetAccessibleAtPoint (bus, message, user_data);
1239 else if (!strcmp (member, "GetExtents"))
1240 reply = impl_GetExtents (bus, message, user_data);
1241 else if (!strcmp (member, "GetPosition"))
1242 reply = impl_GetPosition (bus, message, user_data);
1243 else if (!strcmp (member, "GetSize"))
1244 reply = impl_GetSize (bus, message, user_data);
1245 else if (!strcmp (member, "GetLayer"))
1246 reply = impl_GetLayer (bus, message, user_data);
1247 else if (!strcmp (member, "GetMDIZOrder"))
1248 reply = impl_GetMDIZOrder (bus, message, user_data);
1249 else if (!strcmp (member, "GrabFocus"))
1250 reply = impl_GrabFocus (bus, message, user_data);
1251 else if (!strcmp (member, "GetAlpha"))
1252 reply = impl_GetAlpha (bus, message, user_data);
1254 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1257 if (!strcmp (iface, SPI_DBUS_INTERFACE_SOCKET))
1259 result = DBUS_HANDLER_RESULT_HANDLED;
1260 if (!strcmp (member, "Embed"))
1261 reply = impl_Embed (bus, message, user_data);
1262 else if (!strcmp (member, "Unembed"))
1263 reply = impl_Unembed (bus, message, user_data);
1265 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1268 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1270 result = DBUS_HANDLER_RESULT_HANDLED;
1271 if (!strcmp (member, "Introspect"))
1272 reply = impl_Introspect_root (bus, message, user_data);
1274 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1277 if (result == DBUS_HANDLER_RESULT_HANDLED)
1281 reply = dbus_message_new_method_return (message);
1284 dbus_connection_send (bus, reply, NULL);
1285 dbus_message_unref (reply);
1290 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1297 static DBusHandlerResult
1298 handle_method_cache (DBusConnection *bus, DBusMessage *message, void *user_data)
1300 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1302 const gchar *iface = dbus_message_get_interface (message);
1303 const gchar *member = dbus_message_get_member (message);
1304 const gint type = dbus_message_get_type (message);
1306 DBusMessage *reply = NULL;
1308 /* Check for basic reasons not to handle */
1309 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1312 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1314 if (!strcmp (iface, SPI_DBUS_INTERFACE_CACHE))
1316 result = DBUS_HANDLER_RESULT_HANDLED;
1317 if (!strcmp (member, "GetItems"))
1318 reply = impl_GetItems (bus, message, user_data);
1320 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1323 if (result == DBUS_HANDLER_RESULT_HANDLED)
1327 reply = dbus_message_new_method_return (message);
1330 dbus_connection_send (bus, reply, NULL);
1331 dbus_message_unref (reply);
1336 static DBusHandlerResult
1337 handle_method_registry (DBusConnection *bus, DBusMessage *message, void *user_data)
1339 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1341 const gchar *iface = dbus_message_get_interface (message);
1342 const gchar *member = dbus_message_get_member (message);
1343 const gint type = dbus_message_get_type (message);
1345 DBusMessage *reply = NULL;
1347 /* Check for basic reasons not to handle */
1348 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1351 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1353 if (!strcmp (iface, SPI_DBUS_INTERFACE_REGISTRY))
1355 result = DBUS_HANDLER_RESULT_HANDLED;
1356 if (!strcmp(member, "RegisterEvent"))
1357 reply = impl_register_event (bus, message, user_data);
1358 else if (!strcmp(member, "DeregisterEvent"))
1359 reply = impl_deregister_event (bus, message, user_data);
1360 else if (!strcmp(member, "GetRegisteredEvents"))
1361 reply = impl_get_registered_events (bus, message, user_data);
1363 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1366 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1368 result = DBUS_HANDLER_RESULT_HANDLED;
1369 if (!strcmp (member, "Introspect"))
1370 reply = impl_Introspect_registry (bus, message, user_data);
1372 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1375 if (result == DBUS_HANDLER_RESULT_HANDLED)
1379 reply = dbus_message_new_method_return (message);
1382 dbus_connection_send (bus, reply, NULL);
1383 dbus_message_unref (reply);
1388 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1395 /*---------------------------------------------------------------------------*/
1397 static DBusObjectPathVTable root_vtable =
1400 &handle_method_root,
1401 NULL, NULL, NULL, NULL
1404 static DBusObjectPathVTable registry_vtable =
1407 &handle_method_registry,
1408 NULL, NULL, NULL, NULL
1411 static DBusObjectPathVTable cache_vtable =
1414 &handle_method_cache,
1415 NULL, NULL, NULL, NULL
1418 static gchar *app_sig_match_name_owner =
1419 "type='signal', interface='org.freedesktop.DBus', member='NameOwnerChanged'";
1422 spi_registry_new (DBusConnection *bus)
1424 SpiRegistry *reg = g_object_new (SPI_REGISTRY_TYPE, NULL);
1428 dbus_bus_add_match (bus, app_sig_match_name_owner, NULL);
1429 dbus_connection_add_filter (bus, signal_filter, reg, NULL);
1431 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_ROOT, &root_vtable, reg);
1433 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_CACHE, &cache_vtable, reg);
1435 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_REGISTRY, ®istry_vtable, reg);
1437 emit_Available (bus);
1444 /*END------------------------------------------------------------------------*/