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;
41 children_added_listener (DBusConnection * bus,
47 children_removed_listener (DBusConnection * bus,
52 /*---------------------------------------------------------------------------*/
54 typedef struct _SpiReference
61 spi_reference_new (const gchar *name, const gchar *path)
65 ref = g_new0 (SpiReference, 1);
66 ref->name = g_strdup (name);
67 ref->path = g_strdup (path);
73 spi_reference_free (SpiReference *ref)
80 /*---------------------------------------------------------------------------*/
82 G_DEFINE_TYPE(SpiRegistry, spi_registry, G_TYPE_OBJECT)
85 spi_registry_class_init (SpiRegistryClass *klass)
87 GObjectClass * object_class = (GObjectClass *) klass;
89 spi_registry_parent_class = g_type_class_ref (G_TYPE_OBJECT);
93 spi_registry_init (SpiRegistry *registry)
95 registry->apps = g_ptr_array_new_with_free_func ((GDestroyNotify) spi_reference_free);
98 /*---------------------------------------------------------------------------*/
101 return_v_string (DBusMessageIter * iter, const gchar * str)
103 DBusMessageIter variant;
105 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 && found == FALSE; i++)
150 if (compare_reference (ref, g_ptr_array_index (arr, i)));
156 spi_reference_free (ref);
163 add_application (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
165 g_ptr_array_add (reg->apps, spi_reference_new (name, path));
166 children_added_listener (bus, reg->apps->len - 1, name, path);
170 set_id (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
172 DBusMessage *message;
173 DBusMessageIter iter, iter_variant;
174 const char *iface_application = "org.a11y.atspi.Application";
175 const char *id = "Id";
177 message = dbus_message_new_method_call (name, path,
178 DBUS_INTERFACE_PROPERTIES, "Set");
181 dbus_message_iter_init_append (message, &iter);
182 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &iface_application);
183 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &id);
184 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "i", &iter_variant);
185 dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, ®->id);
186 /* TODO: This will cause problems if we cycle through 2^31 ids */
188 dbus_message_iter_close_container (&iter, &iter_variant);
189 dbus_connection_send (bus, message, NULL);
190 dbus_message_unref (message);
194 remove_application (SpiRegistry *reg, DBusConnection *bus, guint index)
196 SpiReference *ref = g_ptr_array_index (reg->apps, index);
198 spi_remove_device_listeners (reg->dec, ref->name);
199 children_removed_listener (bus, index, ref->name, ref->path);
200 g_ptr_array_remove_index (reg->apps, index);
204 event_is_subtype (gchar **needle, gchar **haystack)
206 while (*haystack && **haystack)
208 if (g_strcmp0 (*needle, *haystack))
217 needs_mouse_poll (char **event)
219 if (g_strcmp0 (event [0], "Mouse") != 0)
221 if (!event [1] || !event [1][0])
223 return (g_strcmp0 (event [1], "Abs") == 0);
227 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;
244 if (!g_strcmp0 (evdata->bus_name, bus_name) &&
245 event_is_subtype (evdata->data, remove_data))
248 g_strfreev (evdata->data);
249 g_free (evdata->bus_name);
251 registry->events = g_list_remove (registry->events, evdata);
255 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 while (!g_strcmp0 (old, ref->name))
296 remove_application (reg, bus, i);
300 remove_events (reg, old, "");
306 * Converts names of the form "active-descendant-changed" to
307 *" ActiveDescendantChanged"
310 ensure_proper_format (const char *name)
312 gchar *ret = (gchar *) g_malloc (strlen (name) * 2 + 2);
314 gboolean need_upper = TRUE;
322 *p++ = toupper (*name);
325 else if (*name == '-')
327 else if (*name == ':')
340 static DBusHandlerResult
341 signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
343 SpiRegistry *registry = SPI_REGISTRY (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 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);
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_uint32_t coord_type;
462 dbus_int32_t x = 0, y = 0, width = 1024, height = 768;
464 DBusMessageIter iter, iter_struct;
466 reply = dbus_message_new_method_return (message);
467 dbus_message_iter_init_append (reply, &iter);
468 dbus_message_iter_open_container (&iter, DBUS_TYPE_STRUCT, NULL,
470 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &x);
471 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &y);
472 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &width);
473 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &height);
474 dbus_message_iter_close_container (&iter, &iter_struct);
479 impl_GetPosition (DBusConnection * bus, DBusMessage * message,
483 dbus_int32_t x = 0, y = 0;
485 reply = dbus_message_new_method_return (message);
486 dbus_message_append_args (reply, DBUS_TYPE_INT32, &x, DBUS_TYPE_INT32,
487 &y, DBUS_TYPE_INVALID);
492 impl_GetSize (DBusConnection * bus, DBusMessage * message, void *user_data)
494 /* TODO - Get the screen size */
496 dbus_int32_t width = 1024, height = 768;
498 reply = dbus_message_new_method_return (message);
499 dbus_message_append_args (reply, DBUS_TYPE_INT32, &width,
500 DBUS_TYPE_INT32, &height, DBUS_TYPE_INVALID);
504 #define LAYER_WIDGET 3;
507 impl_GetLayer (DBusConnection * bus, DBusMessage * message, void *user_data)
510 dbus_uint32_t rv = LAYER_WIDGET;
512 reply = dbus_message_new_method_return (message);
513 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv,
519 impl_GetMDIZOrder (DBusConnection * bus, DBusMessage * message,
525 reply = dbus_message_new_method_return (message);
526 dbus_message_append_args (reply, DBUS_TYPE_INT16, &rv,
532 impl_GrabFocus (DBusConnection * bus, DBusMessage * message, void *user_data)
535 dbus_bool_t retval = FALSE;
537 reply = dbus_message_new_method_return (message);
538 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
544 impl_GetAlpha (DBusConnection * bus, DBusMessage * message, void *user_data)
549 reply = dbus_message_new_method_return (message);
550 dbus_message_append_args (reply, DBUS_TYPE_DOUBLE, &rv,
555 /* org.at_spi.Accessible interface */
556 /*---------------------------------------------------------------------------*/
559 impl_get_Name (DBusMessageIter * iter, void *user_data)
561 const gchar *name = "main";
562 return return_v_string (iter, name);
566 impl_get_Description (DBusMessageIter * iter, void *user_data)
568 const gchar *description = "";
569 return return_v_string (iter, description);
573 impl_get_Parent (DBusMessageIter * iter, void *user_data)
575 const gchar *name = "";
576 DBusMessageIter iter_variant;
578 dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "(so)",
580 append_reference (&iter_variant,
583 dbus_message_iter_close_container (iter, &iter_variant);
588 impl_get_ChildCount (DBusMessageIter * iter, void *user_data)
590 SpiRegistry *reg = SPI_REGISTRY (user_data);
591 dbus_int32_t rv = reg->apps->len;
593 DBusMessageIter iter_variant;
595 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "i",
598 result = dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, &rv);
599 dbus_message_iter_close_container (iter, &iter_variant);
604 impl_get_ToolkitName (DBusMessageIter * iter, void *user_data)
606 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_UINT32, &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;
837 const char *sender = dbus_message_get_sender (message);
839 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &orig_name,
843 name = ensure_proper_format (orig_name);
845 evdata = (event_data *) g_malloc (sizeof (*evdata));
848 data = g_strsplit (name, ":", 3);
858 evdata->bus_name = g_strdup (sender);
860 new_list = g_list_append (registry->events, evdata);
862 registry->events = new_list;
864 if (needs_mouse_poll (evdata->data))
866 spi_device_event_controller_start_poll_mouse (registry);
869 signal = dbus_message_new_signal (SPI_DBUS_PATH_REGISTRY,
870 SPI_DBUS_INTERFACE_REGISTRY,
871 "EventListenerRegistered");
872 dbus_message_append_args (signal, DBUS_TYPE_STRING, &sender,
873 DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID);
874 dbus_connection_send (bus, signal, NULL);
875 dbus_message_unref (signal);
878 return dbus_message_new_method_return (message);
882 impl_deregister_event (DBusConnection *bus, DBusMessage *message, void *user_data)
884 SpiRegistry *registry = SPI_REGISTRY (user_data);
885 const char *orig_name;
887 const char *sender = dbus_message_get_sender (message);
889 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &orig_name,
892 name = ensure_proper_format (orig_name);
894 remove_events (registry, sender, name);
897 return dbus_message_new_method_return (message);
901 impl_get_registered_events (DBusConnection *bus, DBusMessage *message, void *user_data)
903 SpiRegistry *registry = SPI_REGISTRY (user_data);
906 DBusMessageIter iter, iter_struct, iter_array;
909 reply = dbus_message_new_method_return (message);
913 dbus_message_iter_init_append (reply, &iter);
914 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ss)", &iter_array);
915 for (list = registry->events; list; list = list->next)
919 str = g_strconcat (evdata->data [0],
920 ":", (evdata->data [1]? evdata->data [1]: ""),
921 ":", (evdata->data [2]? evdata->data [2]: ""), NULL);
922 dbus_message_iter_open_container (&iter_array, DBUS_TYPE_STRUCT, NULL, &iter_struct);
923 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &evdata->bus_name);
924 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &str);
925 dbus_message_iter_close_container (&iter_array, &iter_struct);
928 dbus_message_iter_close_container (&iter, &iter_array);
932 /*---------------------------------------------------------------------------*/
935 emit_Available (DBusConnection * bus)
938 DBusMessageIter iter;
940 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, SPI_DBUS_INTERFACE_SOCKET, "Available");
942 dbus_message_iter_init_append(sig, &iter);
943 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_ROOT);
945 dbus_connection_send(bus, sig, NULL);
946 dbus_message_unref(sig);
949 /*---------------------------------------------------------------------------*/
951 static const char *introspection_header =
952 "<?xml version=\"1.0\"?>\n";
954 static const char *introspection_node_element =
955 "<node name=\"%s\">\n";
957 static const char *introspection_footer =
961 impl_Introspect_root (DBusConnection * bus,
962 DBusMessage * message, void *user_data)
968 const gchar *pathstr = SPI_DBUS_PATH_ROOT;
972 output = g_string_new(introspection_header);
974 g_string_append_printf(output, introspection_node_element, pathstr);
976 g_string_append (output, spi_org_a11y_atspi_Accessible);
977 g_string_append (output, spi_org_a11y_atspi_Component);
979 g_string_append(output, introspection_footer);
980 final = g_string_free(output, FALSE);
982 reply = dbus_message_new_method_return (message);
983 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
990 impl_Introspect_registry (DBusConnection * bus,
991 DBusMessage * message, void *user_data)
997 const gchar *pathstr = SPI_DBUS_PATH_REGISTRY;
1001 output = g_string_new(introspection_header);
1003 g_string_append_printf(output, introspection_node_element, pathstr);
1005 g_string_append (output, spi_org_a11y_atspi_Registry);
1007 g_string_append(output, introspection_footer);
1008 final = g_string_free(output, FALSE);
1010 reply = dbus_message_new_method_return (message);
1011 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
1017 /*---------------------------------------------------------------------------*/
1020 * Emits an AT-SPI event.
1021 * AT-SPI events names are split into three parts:
1023 * This is mapped onto D-Bus events as:
1024 * D-Bus Interface:Signal Name:Detail argument
1026 * Marshals a basic type into the 'any_data' attribute of
1030 emit_event (DBusConnection *bus,
1034 dbus_int32_t detail1,
1035 dbus_int32_t detail2,
1040 DBusMessageIter iter, iter_variant;
1042 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, klass, major);
1044 dbus_message_iter_init_append(sig, &iter);
1046 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &minor);
1047 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
1048 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
1050 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(so)",
1052 append_reference (&iter_variant, name, path);
1053 dbus_message_iter_close_container (&iter, &iter_variant);
1055 append_reference (&iter,
1056 dbus_bus_get_unique_name (bus),
1057 SPI_DBUS_PATH_ROOT);
1059 dbus_connection_send(bus, sig, NULL);
1060 dbus_message_unref(sig);
1063 /*---------------------------------------------------------------------------*/
1066 * Children changed signal converter and forwarder.
1068 * Klass (Interface) org.a11y.atspi.Event.Object
1069 * Major is the signal name.
1070 * Minor is 'add' or 'remove'
1071 * detail1 is the index.
1073 * any_data is the child reference.
1077 children_added_listener (DBusConnection * bus,
1082 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "add", index, 0,
1087 children_removed_listener (DBusConnection * bus,
1092 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "remove", index, 0,
1096 /*---------------------------------------------------------------------------*/
1098 static DBusHandlerResult
1099 handle_method_root (DBusConnection *bus, DBusMessage *message, void *user_data)
1101 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1103 const gchar *iface = dbus_message_get_interface (message);
1104 const gchar *member = dbus_message_get_member (message);
1105 const gint type = dbus_message_get_type (message);
1107 DBusMessage *reply = NULL;
1109 /* Check for basic reasons not to handle */
1110 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1113 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1115 if (!strcmp (iface, "org.freedesktop.DBus.Properties"))
1117 if (!strcmp (member, "Get"))
1119 const gchar *prop_iface;
1120 const gchar *prop_member;
1123 dbus_error_init (&error);
1124 if (dbus_message_get_args (message,
1132 DBusMessageIter iter;
1134 reply = dbus_message_new_method_return (message);
1135 dbus_message_iter_init_append (reply, &iter);
1138 if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1140 if (!strcmp (prop_member, "Name"))
1141 impl_get_Name (&iter, user_data);
1142 else if (!strcmp (prop_member, "Description"))
1143 impl_get_Description (&iter, user_data);
1144 else if (!strcmp (prop_member, "Parent"))
1145 impl_get_Parent (&iter, user_data);
1146 else if (!strcmp (prop_member, "ChildCount"))
1147 impl_get_ChildCount (&iter, user_data);
1150 dbus_message_unref (reply);
1151 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1154 else if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_APPLICATION))
1156 if (!strcmp (prop_member, "ToolkitName"))
1157 impl_get_ToolkitName (&iter, user_data);
1158 else if (!strcmp (prop_member, "ToolkitVersion"))
1159 impl_get_ToolkitVersion (&iter, user_data);
1162 dbus_message_unref (reply);
1163 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1168 dbus_message_unref (reply);
1169 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1174 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, error.message);
1176 result = DBUS_HANDLER_RESULT_HANDLED;
1178 else if (!strcmp (member, "GetAll"))
1180 result = DBUS_HANDLER_RESULT_HANDLED;
1184 if (!strcmp (iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1186 result = DBUS_HANDLER_RESULT_HANDLED;
1187 if (!strcmp (member, "GetChildAtIndex"))
1188 reply = impl_GetChildAtIndex (bus, message, user_data);
1189 else if (!strcmp (member, "GetChildren"))
1190 reply = impl_GetChildren (bus, message, user_data);
1191 else if (!strcmp (member, "GetIndexInParent"))
1192 reply = impl_GetIndexInParent (bus, message, user_data);
1193 else if (!strcmp (member, "GetRelationSet"))
1194 reply = impl_GetRelationSet (bus, message, user_data);
1195 else if (!strcmp (member, "GetRole"))
1196 reply = impl_GetRole (bus, message, user_data);
1197 else if (!strcmp (member, "GetRoleName"))
1198 reply = impl_GetRoleName (bus, message, user_data);
1199 else if (!strcmp (member, "GetLocalizedRoleName"))
1200 reply = impl_GetLocalizedRoleName (bus, message, user_data);
1201 else if (!strcmp (member, "GetState"))
1202 reply = impl_GetState (bus, message, user_data);
1203 else if (!strcmp (member, "GetAttributes"))
1204 reply = impl_GetAttributes (bus, message, user_data);
1205 else if (!strcmp (member, "GetApplication"))
1206 reply = impl_GetApplication (bus, message, user_data);
1207 else if (!strcmp (member, "GetInterfaces"))
1208 reply = impl_GetInterfaces (bus, message, user_data);
1210 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1213 if (!strcmp (iface, SPI_DBUS_INTERFACE_COMPONENT))
1215 result = DBUS_HANDLER_RESULT_HANDLED;
1216 if (!strcmp (member, "Contains"))
1217 reply = impl_Contains (bus, message, user_data);
1218 else if (!strcmp (member, "GetAccessibleAtPoint"))
1219 reply = impl_GetAccessibleAtPoint (bus, message, user_data);
1220 else if (!strcmp (member, "GetExtents"))
1221 reply = impl_GetExtents (bus, message, user_data);
1222 else if (!strcmp (member, "GetPosition"))
1223 reply = impl_GetPosition (bus, message, user_data);
1224 else if (!strcmp (member, "GetSize"))
1225 reply = impl_GetSize (bus, message, user_data);
1226 else if (!strcmp (member, "GetLayer"))
1227 reply = impl_GetLayer (bus, message, user_data);
1228 else if (!strcmp (member, "GetMDIZOrder"))
1229 reply = impl_GetMDIZOrder (bus, message, user_data);
1230 else if (!strcmp (member, "GrabFocus"))
1231 reply = impl_GrabFocus (bus, message, user_data);
1232 else if (!strcmp (member, "GetAlpha"))
1233 reply = impl_GetAlpha (bus, message, user_data);
1235 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1238 if (!strcmp (iface, SPI_DBUS_INTERFACE_SOCKET))
1240 result = DBUS_HANDLER_RESULT_HANDLED;
1241 if (!strcmp (member, "Embed"))
1242 reply = impl_Embed (bus, message, user_data);
1243 else if (!strcmp (member, "Unembed"))
1244 reply = impl_Unembed (bus, message, user_data);
1246 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1249 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1251 result = DBUS_HANDLER_RESULT_HANDLED;
1252 if (!strcmp (member, "Introspect"))
1253 reply = impl_Introspect_root (bus, message, user_data);
1255 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1258 if (result == DBUS_HANDLER_RESULT_HANDLED)
1262 reply = dbus_message_new_method_return (message);
1265 dbus_connection_send (bus, reply, NULL);
1266 dbus_message_unref (reply);
1271 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1278 static DBusHandlerResult
1279 handle_method_cache (DBusConnection *bus, DBusMessage *message, void *user_data)
1281 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1283 const gchar *iface = dbus_message_get_interface (message);
1284 const gchar *member = dbus_message_get_member (message);
1285 const gint type = dbus_message_get_type (message);
1287 DBusMessage *reply = NULL;
1289 /* Check for basic reasons not to handle */
1290 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1293 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1295 if (!strcmp (iface, SPI_DBUS_INTERFACE_CACHE))
1297 result = DBUS_HANDLER_RESULT_HANDLED;
1298 if (!strcmp (member, "GetItems"))
1299 reply = impl_GetItems (bus, message, user_data);
1301 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1304 if (result == DBUS_HANDLER_RESULT_HANDLED)
1308 reply = dbus_message_new_method_return (message);
1311 dbus_connection_send (bus, reply, NULL);
1312 dbus_message_unref (reply);
1317 static DBusHandlerResult
1318 handle_method_registry (DBusConnection *bus, DBusMessage *message, void *user_data)
1320 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1322 const gchar *iface = dbus_message_get_interface (message);
1323 const gchar *member = dbus_message_get_member (message);
1324 const gint type = dbus_message_get_type (message);
1326 DBusMessage *reply = NULL;
1328 /* Check for basic reasons not to handle */
1329 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1332 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1334 if (!strcmp (iface, SPI_DBUS_INTERFACE_REGISTRY))
1336 result = DBUS_HANDLER_RESULT_HANDLED;
1337 if (!strcmp(member, "RegisterEvent"))
1338 reply = impl_register_event (bus, message, user_data);
1339 else if (!strcmp(member, "DeregisterEvent"))
1340 reply = impl_deregister_event (bus, message, user_data);
1341 else if (!strcmp(member, "GetRegisteredEvents"))
1342 reply = impl_get_registered_events (bus, message, user_data);
1344 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1347 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1349 result = DBUS_HANDLER_RESULT_HANDLED;
1350 if (!strcmp (member, "Introspect"))
1351 reply = impl_Introspect_registry (bus, message, user_data);
1353 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1356 if (result == DBUS_HANDLER_RESULT_HANDLED)
1360 reply = dbus_message_new_method_return (message);
1363 dbus_connection_send (bus, reply, NULL);
1364 dbus_message_unref (reply);
1369 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1376 /*---------------------------------------------------------------------------*/
1378 static DBusObjectPathVTable root_vtable =
1381 &handle_method_root,
1382 NULL, NULL, NULL, NULL
1385 static DBusObjectPathVTable registry_vtable =
1388 &handle_method_registry,
1389 NULL, NULL, NULL, NULL
1392 static DBusObjectPathVTable cache_vtable =
1395 &handle_method_cache,
1396 NULL, NULL, NULL, NULL
1399 static gchar *app_sig_match_name_owner =
1400 "type='signal', interface='org.freedesktop.DBus', member='NameOwnerChanged'";
1403 spi_registry_new (DBusConnection *bus)
1405 SpiRegistry *reg = g_object_new (SPI_REGISTRY_TYPE, NULL);
1409 dbus_bus_add_match (bus, app_sig_match_name_owner, NULL);
1410 dbus_connection_add_filter (bus, signal_filter, reg, NULL);
1412 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_ROOT, &root_vtable, reg);
1414 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_CACHE, &cache_vtable, reg);
1416 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_REGISTRY, ®istry_vtable, reg);
1418 emit_Available (bus);
1425 /*END------------------------------------------------------------------------*/