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",
107 dbus_message_iter_append_basic (&variant, DBUS_TYPE_STRING, &str);
108 dbus_message_iter_close_container (iter, &variant);
113 append_reference (DBusMessageIter * iter, const char * name, const char * path)
115 DBusMessageIter iter_struct;
117 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
120 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &name);
121 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &path);
122 dbus_message_iter_close_container (iter, &iter_struct);
126 /*---------------------------------------------------------------------------*/
129 compare_reference (SpiReference *one, SpiReference *two)
131 if (g_strcmp0 (one->name, two->name) == 0 &&
132 g_strcmp0 (one->path, two->path) == 0)
139 find_index_of_reference (GPtrArray *arr, const gchar *name, const gchar * path, guint *index)
142 gboolean found = FALSE;
145 ref = spi_reference_new (name, path);
147 for (i = 0; i < arr->len && found == FALSE; i++)
149 if (compare_reference (ref, g_ptr_array_index (arr, i)));
155 spi_reference_free (ref);
162 add_application (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
164 g_ptr_array_add (reg->apps, spi_reference_new (name, path));
165 children_added_listener (bus, reg->apps->len - 1, name, path);
169 set_id (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
171 DBusMessage *message;
172 DBusMessageIter iter, iter_variant;
173 const char *iface_application = "org.a11y.atspi.Application";
174 const char *id = "Id";
176 message = dbus_message_new_method_call (name, path,
177 DBUS_INTERFACE_PROPERTIES, "Set");
180 dbus_message_iter_init_append (message, &iter);
181 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &iface_application);
182 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &id);
183 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "i", &iter_variant);
184 dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, ®->id);
185 /* TODO: This will cause problems if we cycle through 2^31 ids */
187 dbus_message_iter_close_container (&iter, &iter_variant);
188 dbus_connection_send (bus, message, NULL);
189 dbus_message_unref (message);
193 remove_application (SpiRegistry *reg, DBusConnection *bus, guint index)
195 SpiReference *ref = g_ptr_array_index (reg->apps, index);
197 spi_remove_device_listeners (reg->dec, ref->name);
198 children_removed_listener (bus, index, ref->name, ref->path);
199 g_ptr_array_remove_index (reg->apps, index);
203 event_is_subtype (gchar **needle, gchar **haystack)
205 while (*haystack && **haystack)
207 if (g_strcmp0 (*needle, *haystack))
216 needs_mouse_poll (char **event)
218 if (g_strcmp0 (event [0], "Mouse") != 0)
220 if (!event [1] || !event [1][0])
222 return (g_strcmp0 (event [1], "Abs") == 0);
226 remove_events (SpiRegistry *registry, const char *bus_name, const char *event)
230 gboolean mouse_found = FALSE;
233 remove_data = g_strsplit (event, ":", 3);
239 for (list = registry->events; list;)
241 event_data *evdata = list->data;
243 if (!g_strcmp0 (evdata->bus_name, bus_name) &&
244 event_is_subtype (evdata->data, remove_data))
246 g_strfreev (evdata->data);
247 g_free (evdata->bus_name);
248 g_slist_free_full (evdata->properties, g_free);
250 registry->events = g_list_remove (registry->events, evdata);
254 if (needs_mouse_poll (evdata->data))
260 spi_device_event_controller_stop_poll_mouse ();
262 g_strfreev (remove_data);
264 signal = dbus_message_new_signal (SPI_DBUS_PATH_REGISTRY,
265 SPI_DBUS_INTERFACE_REGISTRY,
266 "EventListenerDeregistered");
267 dbus_message_append_args (signal, DBUS_TYPE_STRING, &bus_name,
268 DBUS_TYPE_STRING, &event, DBUS_TYPE_INVALID);
269 dbus_connection_send (registry->bus, signal, NULL);
270 dbus_message_unref (signal);
274 handle_disconnection (DBusConnection *bus, DBusMessage *message, void *user_data)
276 char *name, *old, *new;
277 SpiRegistry *reg = SPI_REGISTRY (user_data);
279 if (dbus_message_get_args (message, NULL,
280 DBUS_TYPE_STRING, &name,
281 DBUS_TYPE_STRING, &old,
282 DBUS_TYPE_STRING, &new,
285 if (*old != '\0' && *new == '\0')
287 /* Remove all children with the application name the same as the disconnected application. */
289 for (i = 0; i < reg->apps->len; i++)
291 SpiReference *ref = g_ptr_array_index (reg->apps, i);
292 if (!g_strcmp0 (old, ref->name))
294 remove_application (reg, bus, i);
299 remove_events (reg, old, "");
305 * Converts names of the form "active-descendant-changed" to
306 *" ActiveDescendantChanged"
309 ensure_proper_format (const char *name)
311 gchar *ret = (gchar *) g_malloc (strlen (name) * 2 + 2);
313 gboolean need_upper = TRUE;
321 *p++ = toupper (*name);
324 else if (*name == '-')
326 else if (*name == ':')
339 static DBusHandlerResult
340 signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
342 guint res = DBUS_HANDLER_RESULT_HANDLED;
343 const gint type = dbus_message_get_type (message);
344 const char *iface = dbus_message_get_interface (message);
345 const char *member = dbus_message_get_member (message);
347 if (type != DBUS_MESSAGE_TYPE_SIGNAL)
348 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
350 if (!g_strcmp0(iface, DBUS_INTERFACE_DBUS) &&
351 !g_strcmp0(member, "NameOwnerChanged"))
352 handle_disconnection (bus, message, user_data);
354 res = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
359 /* org.at_spi.Socket interface */
360 /*---------------------------------------------------------------------------*/
363 impl_Embed (DBusConnection *bus, DBusMessage *message, void *user_data)
365 SpiRegistry *reg = SPI_REGISTRY (user_data);
366 DBusMessageIter iter, iter_struct;
367 const gchar *app_name, *obj_path;
369 DBusMessage *reply = NULL;
370 DBusMessageIter reply_iter;
372 dbus_message_iter_init (message, &iter);
373 dbus_message_iter_recurse (&iter, &iter_struct);
374 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
376 dbus_message_iter_get_basic (&iter_struct, &app_name);
378 app_name = dbus_message_get_sender (message);
379 if (!dbus_message_iter_next (&iter_struct))
381 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
383 dbus_message_iter_get_basic (&iter_struct, &obj_path);
385 add_application(reg, bus, app_name, obj_path);
387 set_id (reg, bus, app_name, obj_path);
389 reply = dbus_message_new_method_return (message);
390 dbus_message_iter_init_append (reply, &reply_iter);
391 append_reference (&reply_iter,
392 dbus_bus_get_unique_name (bus),
397 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
401 impl_Unembed (DBusConnection *bus, DBusMessage *message, void *user_data)
403 SpiRegistry *reg = SPI_REGISTRY (user_data);
404 DBusMessageIter iter, iter_struct;
405 gchar *app_name, *obj_path;
408 dbus_message_iter_init (message, &iter);
409 dbus_message_iter_recurse (&iter, &iter_struct);
410 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
412 dbus_message_iter_get_basic (&iter_struct, &app_name);
413 if (!dbus_message_iter_next (&iter_struct))
415 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
417 dbus_message_iter_get_basic (&iter_struct, &obj_path);
419 if (find_index_of_reference (reg->apps, app_name, obj_path, &index))
420 remove_application(reg, bus, index);
424 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
427 /* org.at_spi.Component interface */
428 /*---------------------------------------------------------------------------*/
431 impl_Contains (DBusConnection * bus, DBusMessage * message, void *user_data)
433 dbus_bool_t retval = FALSE;
436 reply = dbus_message_new_method_return (message);
437 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
443 impl_GetAccessibleAtPoint (DBusConnection * bus, DBusMessage * message,
446 DBusMessage *reply = NULL;
447 DBusMessageIter iter;
449 reply = dbus_message_new_method_return (message);
450 dbus_message_iter_init_append (reply, &iter);
451 append_reference (&iter,
452 dbus_bus_get_unique_name (bus),
459 impl_GetExtents (DBusConnection * bus, DBusMessage * message, void *user_data)
461 dbus_int32_t x = 0, y = 0, width = 1024, height = 768;
463 DBusMessageIter iter, iter_struct;
465 reply = dbus_message_new_method_return (message);
466 dbus_message_iter_init_append (reply, &iter);
467 dbus_message_iter_open_container (&iter, DBUS_TYPE_STRUCT, NULL,
469 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &x);
470 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &y);
471 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &width);
472 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &height);
473 dbus_message_iter_close_container (&iter, &iter_struct);
478 impl_GetPosition (DBusConnection * bus, DBusMessage * message,
482 dbus_int32_t x = 0, y = 0;
484 reply = dbus_message_new_method_return (message);
485 dbus_message_append_args (reply, DBUS_TYPE_INT32, &x, DBUS_TYPE_INT32,
486 &y, DBUS_TYPE_INVALID);
491 impl_GetSize (DBusConnection * bus, DBusMessage * message, void *user_data)
493 /* TODO - Get the screen size */
495 dbus_int32_t width = 1024, height = 768;
497 reply = dbus_message_new_method_return (message);
498 dbus_message_append_args (reply, DBUS_TYPE_INT32, &width,
499 DBUS_TYPE_INT32, &height, DBUS_TYPE_INVALID);
503 #define LAYER_WIDGET 3;
506 impl_GetLayer (DBusConnection * bus, DBusMessage * message, void *user_data)
509 dbus_uint32_t rv = LAYER_WIDGET;
511 reply = dbus_message_new_method_return (message);
512 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv,
518 impl_GetMDIZOrder (DBusConnection * bus, DBusMessage * message,
524 reply = dbus_message_new_method_return (message);
525 dbus_message_append_args (reply, DBUS_TYPE_INT16, &rv,
531 impl_GrabFocus (DBusConnection * bus, DBusMessage * message, void *user_data)
534 dbus_bool_t retval = FALSE;
536 reply = dbus_message_new_method_return (message);
537 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
543 impl_GetAlpha (DBusConnection * bus, DBusMessage * message, void *user_data)
548 reply = dbus_message_new_method_return (message);
549 dbus_message_append_args (reply, DBUS_TYPE_DOUBLE, &rv,
554 /* org.at_spi.Accessible interface */
555 /*---------------------------------------------------------------------------*/
558 impl_get_Name (DBusMessageIter * iter, void *user_data)
560 const gchar *name = "main";
561 return return_v_string (iter, name);
565 impl_get_Description (DBusMessageIter * iter, void *user_data)
567 const gchar *description = "";
568 return return_v_string (iter, description);
572 impl_get_Parent (DBusMessageIter * iter, void *user_data)
574 const gchar *name = "";
575 DBusMessageIter iter_variant;
577 dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "(so)",
579 append_reference (&iter_variant,
582 dbus_message_iter_close_container (iter, &iter_variant);
587 impl_get_ChildCount (DBusMessageIter * iter, void *user_data)
589 SpiRegistry *reg = SPI_REGISTRY (user_data);
590 dbus_int32_t rv = reg->apps->len;
592 DBusMessageIter iter_variant;
594 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "i",
597 result = dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, &rv);
598 dbus_message_iter_close_container (iter, &iter_variant);
603 impl_get_ToolkitName (DBusMessageIter * iter, void *user_data)
605 return return_v_string (iter, "at-spi-registry");
609 impl_get_ToolkitVersion (DBusMessageIter * iter, void *user_data)
611 return return_v_string (iter, "2.0");
615 impl_GetChildAtIndex (DBusConnection * bus,
616 DBusMessage * message, void *user_data)
618 SpiRegistry *reg = SPI_REGISTRY (user_data);
620 DBusMessageIter iter;
625 dbus_error_init (&error);
626 if (!dbus_message_get_args
627 (message, &error, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID))
629 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
632 reply = dbus_message_new_method_return (message);
633 dbus_message_iter_init_append (reply, &iter);
635 if (i < 0 || i >= reg->apps->len)
636 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_NULL);
639 ref = g_ptr_array_index (reg->apps, i);
640 append_reference (&iter, ref->name, ref->path);
647 impl_GetChildren (DBusConnection * bus,
648 DBusMessage * message, void *user_data)
650 DBusMessage *reply = NULL;
651 DBusMessageIter iter, iter_array;
652 SpiRegistry *reg = SPI_REGISTRY (user_data);
655 reply = dbus_message_new_method_return (message);
657 dbus_message_iter_init_append (reply, &iter);
658 dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &iter_array);
659 for (i=0; i < reg->apps->len; i++)
661 SpiReference *current = g_ptr_array_index (reg->apps, i);
662 append_reference (&iter_array, current->name, current->path);
664 dbus_message_iter_close_container(&iter, &iter_array);
669 impl_GetIndexInParent (DBusConnection * bus,
670 DBusMessage * message, void *user_data)
673 dbus_uint32_t rv = 0;
675 reply = dbus_message_new_method_return (message);
676 dbus_message_append_args (reply, DBUS_TYPE_INT32, &rv, DBUS_TYPE_INVALID);
681 impl_GetRelationSet (DBusConnection * bus,
682 DBusMessage * message, void *user_data)
685 DBusMessageIter iter, iter_array;
687 reply = dbus_message_new_method_return (message);
688 dbus_message_iter_init_append (reply, &iter);
689 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ua(so))", &iter_array);
690 dbus_message_iter_close_container (&iter, &iter_array);
696 impl_GetRole (DBusConnection * bus, DBusMessage * message, void * user_data)
699 dbus_uint32_t rv = 14; /* TODO: Get DESKTOP_FRAME from somewhere */
701 reply = dbus_message_new_method_return (message);
702 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv, DBUS_TYPE_INVALID);
707 impl_GetRoleName (DBusConnection * bus,
708 DBusMessage * message, void *user_data)
711 const char *role_name = "desktop frame";
713 reply = dbus_message_new_method_return (message);
714 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
720 impl_GetLocalizedRoleName (DBusConnection * bus,
721 DBusMessage * message, void *user_data)
723 /* TODO - Localize this */
725 const char *role_name = "desktop frame";
727 reply = dbus_message_new_method_return (message);
728 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
734 impl_GetState (DBusConnection * bus, DBusMessage * message, void *user_data)
736 DBusMessage *reply = NULL;
737 DBusMessageIter iter, iter_array;
739 dbus_uint32_t states[2] = {0, 0};
742 reply = dbus_message_new_method_return (message);
743 dbus_message_iter_init_append (reply, &iter);
745 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "u", &iter_array);
746 for (count = 0; count < 2; count++)
748 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_UINT32,
751 dbus_message_iter_close_container (&iter, &iter_array);
756 impl_GetAttributes (DBusConnection * bus,
757 DBusMessage * message, void *user_data)
759 DBusMessage *reply = NULL;
760 DBusMessageIter iter, array;
762 reply = dbus_message_new_method_return (message);
763 dbus_message_iter_init_append (reply, &iter);
764 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "{ss}", &array);
765 dbus_message_iter_close_container (&iter, &array);
771 impl_GetApplication (DBusConnection * bus,
772 DBusMessage * message, void *user_data)
774 DBusMessage *reply = NULL;
775 DBusMessageIter iter;
777 reply = dbus_message_new_method_return (message);
778 dbus_message_iter_init_append (reply, &iter);
779 append_reference (&iter,
780 dbus_bus_get_unique_name (bus),
787 impl_GetInterfaces (DBusConnection * bus,
788 DBusMessage * message, void *user_data)
791 DBusMessageIter iter, iter_array;
793 const char *acc = SPI_DBUS_INTERFACE_ACCESSIBLE;
794 const char *com = SPI_DBUS_INTERFACE_COMPONENT;
796 reply = dbus_message_new_method_return (message);
798 dbus_message_iter_init_append (reply, &iter);
799 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "s",
801 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &acc);
802 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &com);
803 dbus_message_iter_close_container (&iter, &iter_array);
809 impl_GetItems (DBusConnection * bus, DBusMessage * message, void *user_data)
812 DBusMessageIter iter, iter_array;
814 reply = dbus_message_new_method_return (message);
816 dbus_message_iter_init_append (reply, &iter);
817 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
818 "((so)(so)(so)a(so)assusau)", &iter_array);
819 dbus_message_iter_close_container (&iter, &iter_array);
823 /* I would rather these two be signals, but I'm not sure that dbus-python
824 * supports emitting signals except for a service, so implementing as both
825 * a method call and signal for now.
828 impl_register_event (DBusConnection *bus, DBusMessage *message, void *user_data)
830 SpiRegistry *registry = SPI_REGISTRY (user_data);
831 const char *orig_name;
836 const char *sender = dbus_message_get_sender (message);
837 DBusMessageIter iter, iter_array;
838 const char *signature = dbus_message_get_signature (message);
840 if (strcmp (signature, "sas") != 0 &&
841 strcmp (signature, "s") != 0)
843 g_warning ("got RegisterEvent with invalid signature '%s'", signature);
847 dbus_message_iter_init (message, &iter);
848 dbus_message_iter_get_basic (&iter, &orig_name);
849 dbus_message_iter_next (&iter);
850 name = ensure_proper_format (orig_name);
852 evdata = g_new0 (event_data, 1);
853 data = g_strsplit (name, ":", 3);
854 evdata->bus_name = g_strdup (sender);
857 if (dbus_message_iter_get_arg_type (&iter) == DBUS_TYPE_ARRAY)
859 dbus_message_iter_recurse (&iter, &iter_array);
860 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
862 const char *property;
863 dbus_message_iter_get_basic (&iter_array, &property);
864 evdata->properties = g_slist_append (evdata->properties,
865 g_strdup (property));
866 dbus_message_iter_next (&iter_array);
869 registry->events = g_list_append (registry->events, evdata);
871 if (needs_mouse_poll (evdata->data))
873 spi_device_event_controller_start_poll_mouse (registry);
876 signal = dbus_message_new_signal (SPI_DBUS_PATH_REGISTRY,
877 SPI_DBUS_INTERFACE_REGISTRY,
878 "EventListenerRegistered");
881 GSList *ls = evdata->properties;
882 dbus_message_iter_init_append (signal, &iter);
883 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &sender);
884 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &name);
885 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "s", &iter_array);
888 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &ls->data);
889 ls = g_slist_next (ls);
891 dbus_message_iter_close_container (&iter, &iter_array);
892 dbus_connection_send (bus, signal, NULL);
893 dbus_message_unref (signal);
897 return dbus_message_new_method_return (message);
901 impl_deregister_event (DBusConnection *bus, DBusMessage *message, void *user_data)
903 SpiRegistry *registry = SPI_REGISTRY (user_data);
904 const char *orig_name;
906 const char *sender = dbus_message_get_sender (message);
908 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &orig_name,
911 name = ensure_proper_format (orig_name);
913 remove_events (registry, sender, name);
916 return dbus_message_new_method_return (message);
920 impl_get_registered_events (DBusConnection *bus, DBusMessage *message, void *user_data)
922 SpiRegistry *registry = SPI_REGISTRY (user_data);
925 DBusMessageIter iter, iter_struct, iter_array;
928 reply = dbus_message_new_method_return (message);
932 dbus_message_iter_init_append (reply, &iter);
933 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ss)", &iter_array);
934 for (list = registry->events; list; list = list->next)
938 str = g_strconcat (evdata->data [0],
939 ":", (evdata->data [1]? evdata->data [1]: ""),
940 ":", (evdata->data [1] && evdata->data [2]? evdata->data [2]: ""), NULL);
941 dbus_message_iter_open_container (&iter_array, DBUS_TYPE_STRUCT, NULL, &iter_struct);
942 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &evdata->bus_name);
943 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &str);
944 dbus_message_iter_close_container (&iter_array, &iter_struct);
947 dbus_message_iter_close_container (&iter, &iter_array);
951 /*---------------------------------------------------------------------------*/
954 emit_Available (DBusConnection * bus)
957 DBusMessageIter iter;
959 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, SPI_DBUS_INTERFACE_SOCKET, "Available");
961 dbus_message_iter_init_append(sig, &iter);
962 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_ROOT);
964 dbus_connection_send(bus, sig, NULL);
965 dbus_message_unref(sig);
968 /*---------------------------------------------------------------------------*/
970 static const char *introspection_header =
971 "<?xml version=\"1.0\"?>\n";
973 static const char *introspection_node_element =
974 "<node name=\"%s\">\n";
976 static const char *introspection_footer =
980 impl_Introspect_root (DBusConnection * bus,
981 DBusMessage * message, void *user_data)
986 const gchar *pathstr = SPI_DBUS_PATH_ROOT;
990 output = g_string_new(introspection_header);
992 g_string_append_printf(output, introspection_node_element, pathstr);
994 g_string_append (output, spi_org_a11y_atspi_Accessible);
995 g_string_append (output, spi_org_a11y_atspi_Component);
997 g_string_append(output, introspection_footer);
998 final = g_string_free(output, FALSE);
1000 reply = dbus_message_new_method_return (message);
1001 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
1007 static DBusMessage *
1008 impl_Introspect_registry (DBusConnection * bus,
1009 DBusMessage * message, void *user_data)
1014 const gchar *pathstr = SPI_DBUS_PATH_REGISTRY;
1018 output = g_string_new(introspection_header);
1020 g_string_append_printf(output, introspection_node_element, pathstr);
1022 g_string_append (output, spi_org_a11y_atspi_Registry);
1024 g_string_append(output, introspection_footer);
1025 final = g_string_free(output, FALSE);
1027 reply = dbus_message_new_method_return (message);
1028 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
1034 /*---------------------------------------------------------------------------*/
1037 * Emits an AT-SPI event.
1038 * AT-SPI events names are split into three parts:
1040 * This is mapped onto D-Bus events as:
1041 * D-Bus Interface:Signal Name:Detail argument
1043 * Marshals a basic type into the 'any_data' attribute of
1047 emit_event (DBusConnection *bus,
1051 dbus_int32_t detail1,
1052 dbus_int32_t detail2,
1057 DBusMessageIter iter, iter_variant;
1059 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, klass, major);
1061 dbus_message_iter_init_append(sig, &iter);
1063 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &minor);
1064 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
1065 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
1067 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(so)",
1069 append_reference (&iter_variant, name, path);
1070 dbus_message_iter_close_container (&iter, &iter_variant);
1072 append_reference (&iter,
1073 dbus_bus_get_unique_name (bus),
1074 SPI_DBUS_PATH_ROOT);
1076 dbus_connection_send(bus, sig, NULL);
1077 dbus_message_unref(sig);
1080 /*---------------------------------------------------------------------------*/
1083 * Children changed signal converter and forwarder.
1085 * Klass (Interface) org.a11y.atspi.Event.Object
1086 * Major is the signal name.
1087 * Minor is 'add' or 'remove'
1088 * detail1 is the index.
1090 * any_data is the child reference.
1094 children_added_listener (DBusConnection * bus,
1099 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "add", index, 0,
1104 children_removed_listener (DBusConnection * bus,
1109 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "remove", index, 0,
1113 /*---------------------------------------------------------------------------*/
1115 static DBusHandlerResult
1116 handle_method_root (DBusConnection *bus, DBusMessage *message, void *user_data)
1118 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1120 const gchar *iface = dbus_message_get_interface (message);
1121 const gchar *member = dbus_message_get_member (message);
1122 const gint type = dbus_message_get_type (message);
1124 DBusMessage *reply = NULL;
1126 /* Check for basic reasons not to handle */
1127 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1130 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1132 if (!strcmp (iface, "org.freedesktop.DBus.Properties"))
1134 if (!strcmp (member, "Get"))
1136 const gchar *prop_iface;
1137 const gchar *prop_member;
1140 dbus_error_init (&error);
1141 if (dbus_message_get_args (message,
1149 DBusMessageIter iter;
1151 reply = dbus_message_new_method_return (message);
1152 dbus_message_iter_init_append (reply, &iter);
1155 if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1157 if (!strcmp (prop_member, "Name"))
1158 impl_get_Name (&iter, user_data);
1159 else if (!strcmp (prop_member, "Description"))
1160 impl_get_Description (&iter, user_data);
1161 else if (!strcmp (prop_member, "Parent"))
1162 impl_get_Parent (&iter, user_data);
1163 else if (!strcmp (prop_member, "ChildCount"))
1164 impl_get_ChildCount (&iter, user_data);
1167 dbus_message_unref (reply);
1168 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1171 else if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_APPLICATION))
1173 if (!strcmp (prop_member, "ToolkitName"))
1174 impl_get_ToolkitName (&iter, user_data);
1175 else if (!strcmp (prop_member, "ToolkitVersion"))
1176 impl_get_ToolkitVersion (&iter, user_data);
1179 dbus_message_unref (reply);
1180 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1185 dbus_message_unref (reply);
1186 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1191 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, error.message);
1193 result = DBUS_HANDLER_RESULT_HANDLED;
1195 else if (!strcmp (member, "GetAll"))
1197 result = DBUS_HANDLER_RESULT_HANDLED;
1201 if (!strcmp (iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1203 result = DBUS_HANDLER_RESULT_HANDLED;
1204 if (!strcmp (member, "GetChildAtIndex"))
1205 reply = impl_GetChildAtIndex (bus, message, user_data);
1206 else if (!strcmp (member, "GetChildren"))
1207 reply = impl_GetChildren (bus, message, user_data);
1208 else if (!strcmp (member, "GetIndexInParent"))
1209 reply = impl_GetIndexInParent (bus, message, user_data);
1210 else if (!strcmp (member, "GetRelationSet"))
1211 reply = impl_GetRelationSet (bus, message, user_data);
1212 else if (!strcmp (member, "GetRole"))
1213 reply = impl_GetRole (bus, message, user_data);
1214 else if (!strcmp (member, "GetRoleName"))
1215 reply = impl_GetRoleName (bus, message, user_data);
1216 else if (!strcmp (member, "GetLocalizedRoleName"))
1217 reply = impl_GetLocalizedRoleName (bus, message, user_data);
1218 else if (!strcmp (member, "GetState"))
1219 reply = impl_GetState (bus, message, user_data);
1220 else if (!strcmp (member, "GetAttributes"))
1221 reply = impl_GetAttributes (bus, message, user_data);
1222 else if (!strcmp (member, "GetApplication"))
1223 reply = impl_GetApplication (bus, message, user_data);
1224 else if (!strcmp (member, "GetInterfaces"))
1225 reply = impl_GetInterfaces (bus, message, user_data);
1227 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1230 if (!strcmp (iface, SPI_DBUS_INTERFACE_COMPONENT))
1232 result = DBUS_HANDLER_RESULT_HANDLED;
1233 if (!strcmp (member, "Contains"))
1234 reply = impl_Contains (bus, message, user_data);
1235 else if (!strcmp (member, "GetAccessibleAtPoint"))
1236 reply = impl_GetAccessibleAtPoint (bus, message, user_data);
1237 else if (!strcmp (member, "GetExtents"))
1238 reply = impl_GetExtents (bus, message, user_data);
1239 else if (!strcmp (member, "GetPosition"))
1240 reply = impl_GetPosition (bus, message, user_data);
1241 else if (!strcmp (member, "GetSize"))
1242 reply = impl_GetSize (bus, message, user_data);
1243 else if (!strcmp (member, "GetLayer"))
1244 reply = impl_GetLayer (bus, message, user_data);
1245 else if (!strcmp (member, "GetMDIZOrder"))
1246 reply = impl_GetMDIZOrder (bus, message, user_data);
1247 else if (!strcmp (member, "GrabFocus"))
1248 reply = impl_GrabFocus (bus, message, user_data);
1249 else if (!strcmp (member, "GetAlpha"))
1250 reply = impl_GetAlpha (bus, message, user_data);
1252 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1255 if (!strcmp (iface, SPI_DBUS_INTERFACE_SOCKET))
1257 result = DBUS_HANDLER_RESULT_HANDLED;
1258 if (!strcmp (member, "Embed"))
1259 reply = impl_Embed (bus, message, user_data);
1260 else if (!strcmp (member, "Unembed"))
1261 reply = impl_Unembed (bus, message, user_data);
1263 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1266 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1268 result = DBUS_HANDLER_RESULT_HANDLED;
1269 if (!strcmp (member, "Introspect"))
1270 reply = impl_Introspect_root (bus, message, user_data);
1272 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1275 if (result == DBUS_HANDLER_RESULT_HANDLED)
1279 reply = dbus_message_new_method_return (message);
1282 dbus_connection_send (bus, reply, NULL);
1283 dbus_message_unref (reply);
1288 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1295 static DBusHandlerResult
1296 handle_method_cache (DBusConnection *bus, DBusMessage *message, void *user_data)
1298 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1300 const gchar *iface = dbus_message_get_interface (message);
1301 const gchar *member = dbus_message_get_member (message);
1302 const gint type = dbus_message_get_type (message);
1304 DBusMessage *reply = NULL;
1306 /* Check for basic reasons not to handle */
1307 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1310 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1312 if (!strcmp (iface, SPI_DBUS_INTERFACE_CACHE))
1314 result = DBUS_HANDLER_RESULT_HANDLED;
1315 if (!strcmp (member, "GetItems"))
1316 reply = impl_GetItems (bus, message, user_data);
1318 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1321 if (result == DBUS_HANDLER_RESULT_HANDLED)
1325 reply = dbus_message_new_method_return (message);
1328 dbus_connection_send (bus, reply, NULL);
1329 dbus_message_unref (reply);
1334 static DBusHandlerResult
1335 handle_method_registry (DBusConnection *bus, DBusMessage *message, void *user_data)
1337 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1339 const gchar *iface = dbus_message_get_interface (message);
1340 const gchar *member = dbus_message_get_member (message);
1341 const gint type = dbus_message_get_type (message);
1343 DBusMessage *reply = NULL;
1345 /* Check for basic reasons not to handle */
1346 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1349 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1351 if (!strcmp (iface, SPI_DBUS_INTERFACE_REGISTRY))
1353 result = DBUS_HANDLER_RESULT_HANDLED;
1354 if (!strcmp(member, "RegisterEvent"))
1355 reply = impl_register_event (bus, message, user_data);
1356 else if (!strcmp(member, "DeregisterEvent"))
1357 reply = impl_deregister_event (bus, message, user_data);
1358 else if (!strcmp(member, "GetRegisteredEvents"))
1359 reply = impl_get_registered_events (bus, message, user_data);
1361 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1364 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1366 result = DBUS_HANDLER_RESULT_HANDLED;
1367 if (!strcmp (member, "Introspect"))
1368 reply = impl_Introspect_registry (bus, message, user_data);
1370 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1373 if (result == DBUS_HANDLER_RESULT_HANDLED)
1377 reply = dbus_message_new_method_return (message);
1380 dbus_connection_send (bus, reply, NULL);
1381 dbus_message_unref (reply);
1386 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1393 /*---------------------------------------------------------------------------*/
1395 static DBusObjectPathVTable root_vtable =
1398 &handle_method_root,
1399 NULL, NULL, NULL, NULL
1402 static DBusObjectPathVTable registry_vtable =
1405 &handle_method_registry,
1406 NULL, NULL, NULL, NULL
1409 static DBusObjectPathVTable cache_vtable =
1412 &handle_method_cache,
1413 NULL, NULL, NULL, NULL
1416 static gchar *app_sig_match_name_owner =
1417 "type='signal', interface='org.freedesktop.DBus', member='NameOwnerChanged'";
1420 spi_registry_new (DBusConnection *bus)
1422 SpiRegistry *reg = g_object_new (SPI_REGISTRY_TYPE, NULL);
1426 dbus_bus_add_match (bus, app_sig_match_name_owner, NULL);
1427 dbus_connection_add_filter (bus, signal_filter, reg, NULL);
1429 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_ROOT, &root_vtable, reg);
1431 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_CACHE, &cache_vtable, reg);
1433 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_REGISTRY, ®istry_vtable, reg);
1435 emit_Available (bus);
1442 /*END------------------------------------------------------------------------*/