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 spi_registry_parent_class = g_type_class_ref (G_TYPE_OBJECT);
91 spi_registry_init (SpiRegistry *registry)
93 registry->apps = g_ptr_array_new_with_free_func ((GDestroyNotify) spi_reference_free);
96 /*---------------------------------------------------------------------------*/
99 return_v_string (DBusMessageIter * iter, const gchar * str)
101 DBusMessageIter variant;
103 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "s",
106 dbus_message_iter_append_basic (&variant, DBUS_TYPE_STRING, &str);
107 dbus_message_iter_close_container (iter, &variant);
112 append_reference (DBusMessageIter * iter, const char * name, const char * path)
114 DBusMessageIter iter_struct;
116 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
119 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &name);
120 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &path);
121 dbus_message_iter_close_container (iter, &iter_struct);
125 /*---------------------------------------------------------------------------*/
128 compare_reference (SpiReference *one, SpiReference *two)
130 if (g_strcmp0 (one->name, two->name) == 0 &&
131 g_strcmp0 (one->path, two->path) == 0)
138 find_index_of_reference (GPtrArray *arr, const gchar *name, const gchar * path, guint *index)
141 gboolean found = FALSE;
144 ref = spi_reference_new (name, path);
146 for (i = 0; i < arr->len && found == FALSE; i++)
148 if (compare_reference (ref, g_ptr_array_index (arr, i)));
154 spi_reference_free (ref);
161 add_application (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
163 g_ptr_array_add (reg->apps, spi_reference_new (name, path));
164 children_added_listener (bus, reg->apps->len - 1, name, path);
168 set_id (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
170 DBusMessage *message;
171 DBusMessageIter iter, iter_variant;
172 const char *iface_application = "org.a11y.atspi.Application";
173 const char *id = "Id";
175 message = dbus_message_new_method_call (name, path,
176 DBUS_INTERFACE_PROPERTIES, "Set");
179 dbus_message_iter_init_append (message, &iter);
180 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &iface_application);
181 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &id);
182 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "i", &iter_variant);
183 dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, ®->id);
184 /* TODO: This will cause problems if we cycle through 2^31 ids */
186 dbus_message_iter_close_container (&iter, &iter_variant);
187 dbus_connection_send (bus, message, NULL);
188 dbus_message_unref (message);
192 remove_application (SpiRegistry *reg, DBusConnection *bus, guint index)
194 SpiReference *ref = g_ptr_array_index (reg->apps, index);
196 spi_remove_device_listeners (reg->dec, ref->name);
197 children_removed_listener (bus, index, ref->name, ref->path);
198 g_ptr_array_remove_index (reg->apps, index);
202 event_is_subtype (gchar **needle, gchar **haystack)
204 while (*haystack && **haystack)
206 if (g_strcmp0 (*needle, *haystack))
215 needs_mouse_poll (char **event)
217 if (g_strcmp0 (event [0], "Mouse") != 0)
219 if (!event [1] || !event [1][0])
221 return (g_strcmp0 (event [1], "Abs") == 0);
225 remove_events (SpiRegistry *registry, const char *bus_name, const char *event)
229 gboolean mouse_found = FALSE;
232 remove_data = g_strsplit (event, ":", 3);
238 for (list = registry->events; list;)
240 event_data *evdata = list->data;
242 if (!g_strcmp0 (evdata->bus_name, bus_name) &&
243 event_is_subtype (evdata->data, remove_data))
245 g_strfreev (evdata->data);
246 g_free (evdata->bus_name);
248 registry->events = g_list_remove (registry->events, evdata);
252 if (needs_mouse_poll (evdata->data))
258 spi_device_event_controller_stop_poll_mouse ();
260 g_strfreev (remove_data);
262 signal = dbus_message_new_signal (SPI_DBUS_PATH_REGISTRY,
263 SPI_DBUS_INTERFACE_REGISTRY,
264 "EventListenerDeregistered");
265 dbus_message_append_args (signal, DBUS_TYPE_STRING, &bus_name,
266 DBUS_TYPE_STRING, &event, DBUS_TYPE_INVALID);
267 dbus_connection_send (registry->bus, signal, NULL);
268 dbus_message_unref (signal);
272 handle_disconnection (DBusConnection *bus, DBusMessage *message, void *user_data)
274 char *name, *old, *new;
275 SpiRegistry *reg = SPI_REGISTRY (user_data);
277 if (dbus_message_get_args (message, NULL,
278 DBUS_TYPE_STRING, &name,
279 DBUS_TYPE_STRING, &old,
280 DBUS_TYPE_STRING, &new,
283 if (*old != '\0' && *new == '\0')
285 /* Remove all children with the application name the same as the disconnected application. */
287 for (i = 0; i < reg->apps->len; i++)
289 SpiReference *ref = g_ptr_array_index (reg->apps, i);
290 if (!g_strcmp0 (old, ref->name))
292 remove_application (reg, bus, i);
297 remove_events (reg, old, "");
303 * Converts names of the form "active-descendant-changed" to
304 *" ActiveDescendantChanged"
307 ensure_proper_format (const char *name)
309 gchar *ret = (gchar *) g_malloc (strlen (name) * 2 + 2);
311 gboolean need_upper = TRUE;
319 *p++ = toupper (*name);
322 else if (*name == '-')
324 else if (*name == ':')
337 static DBusHandlerResult
338 signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
340 guint res = DBUS_HANDLER_RESULT_HANDLED;
341 const gint type = dbus_message_get_type (message);
342 const char *iface = dbus_message_get_interface (message);
343 const char *member = dbus_message_get_member (message);
345 if (type != DBUS_MESSAGE_TYPE_SIGNAL)
346 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
348 if (!g_strcmp0(iface, DBUS_INTERFACE_DBUS) &&
349 !g_strcmp0(member, "NameOwnerChanged"))
350 handle_disconnection (bus, message, user_data);
352 res = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
357 /* org.at_spi.Socket interface */
358 /*---------------------------------------------------------------------------*/
361 impl_Embed (DBusConnection *bus, DBusMessage *message, void *user_data)
363 SpiRegistry *reg = SPI_REGISTRY (user_data);
364 DBusMessageIter iter, iter_struct;
365 gchar *app_name, *obj_path;
367 DBusMessage *reply = NULL;
368 DBusMessageIter reply_iter;
370 dbus_message_iter_init (message, &iter);
371 dbus_message_iter_recurse (&iter, &iter_struct);
372 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
374 dbus_message_iter_get_basic (&iter_struct, &app_name);
376 app_name = dbus_message_get_sender (message);
377 if (!dbus_message_iter_next (&iter_struct))
379 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
381 dbus_message_iter_get_basic (&iter_struct, &obj_path);
383 add_application(reg, bus, app_name, obj_path);
385 set_id (reg, bus, app_name, obj_path);
387 reply = dbus_message_new_method_return (message);
388 dbus_message_iter_init_append (reply, &reply_iter);
389 append_reference (&reply_iter,
390 dbus_bus_get_unique_name (bus),
395 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
399 impl_Unembed (DBusConnection *bus, DBusMessage *message, void *user_data)
401 SpiRegistry *reg = SPI_REGISTRY (user_data);
402 DBusMessageIter iter, iter_struct;
403 gchar *app_name, *obj_path;
406 dbus_message_iter_init (message, &iter);
407 dbus_message_iter_recurse (&iter, &iter_struct);
408 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
410 dbus_message_iter_get_basic (&iter_struct, &app_name);
411 if (!dbus_message_iter_next (&iter_struct))
413 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
415 dbus_message_iter_get_basic (&iter_struct, &obj_path);
417 if (find_index_of_reference (reg->apps, app_name, obj_path, &index))
418 remove_application(reg, bus, index);
422 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
425 /* org.at_spi.Component interface */
426 /*---------------------------------------------------------------------------*/
429 impl_Contains (DBusConnection * bus, DBusMessage * message, void *user_data)
431 dbus_bool_t retval = FALSE;
434 reply = dbus_message_new_method_return (message);
435 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
441 impl_GetAccessibleAtPoint (DBusConnection * bus, DBusMessage * message,
444 DBusMessage *reply = NULL;
445 DBusMessageIter iter;
447 reply = dbus_message_new_method_return (message);
448 dbus_message_iter_init_append (reply, &iter);
449 append_reference (&iter,
450 dbus_bus_get_unique_name (bus),
457 impl_GetExtents (DBusConnection * bus, DBusMessage * message, void *user_data)
459 dbus_int32_t x = 0, y = 0, width = 1024, height = 768;
461 DBusMessageIter iter, iter_struct;
463 reply = dbus_message_new_method_return (message);
464 dbus_message_iter_init_append (reply, &iter);
465 dbus_message_iter_open_container (&iter, DBUS_TYPE_STRUCT, NULL,
467 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &x);
468 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &y);
469 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &width);
470 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &height);
471 dbus_message_iter_close_container (&iter, &iter_struct);
476 impl_GetPosition (DBusConnection * bus, DBusMessage * message,
480 dbus_int32_t x = 0, y = 0;
482 reply = dbus_message_new_method_return (message);
483 dbus_message_append_args (reply, DBUS_TYPE_INT32, &x, DBUS_TYPE_INT32,
484 &y, DBUS_TYPE_INVALID);
489 impl_GetSize (DBusConnection * bus, DBusMessage * message, void *user_data)
491 /* TODO - Get the screen size */
493 dbus_int32_t width = 1024, height = 768;
495 reply = dbus_message_new_method_return (message);
496 dbus_message_append_args (reply, DBUS_TYPE_INT32, &width,
497 DBUS_TYPE_INT32, &height, DBUS_TYPE_INVALID);
501 #define LAYER_WIDGET 3;
504 impl_GetLayer (DBusConnection * bus, DBusMessage * message, void *user_data)
507 dbus_uint32_t rv = LAYER_WIDGET;
509 reply = dbus_message_new_method_return (message);
510 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv,
516 impl_GetMDIZOrder (DBusConnection * bus, DBusMessage * message,
522 reply = dbus_message_new_method_return (message);
523 dbus_message_append_args (reply, DBUS_TYPE_INT16, &rv,
529 impl_GrabFocus (DBusConnection * bus, DBusMessage * message, void *user_data)
532 dbus_bool_t retval = FALSE;
534 reply = dbus_message_new_method_return (message);
535 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
541 impl_GetAlpha (DBusConnection * bus, DBusMessage * message, void *user_data)
546 reply = dbus_message_new_method_return (message);
547 dbus_message_append_args (reply, DBUS_TYPE_DOUBLE, &rv,
552 /* org.at_spi.Accessible interface */
553 /*---------------------------------------------------------------------------*/
556 impl_get_Name (DBusMessageIter * iter, void *user_data)
558 const gchar *name = "main";
559 return return_v_string (iter, name);
563 impl_get_Description (DBusMessageIter * iter, void *user_data)
565 const gchar *description = "";
566 return return_v_string (iter, description);
570 impl_get_Parent (DBusMessageIter * iter, void *user_data)
572 const gchar *name = "";
573 DBusMessageIter iter_variant;
575 dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "(so)",
577 append_reference (&iter_variant,
580 dbus_message_iter_close_container (iter, &iter_variant);
585 impl_get_ChildCount (DBusMessageIter * iter, void *user_data)
587 SpiRegistry *reg = SPI_REGISTRY (user_data);
588 dbus_int32_t rv = reg->apps->len;
590 DBusMessageIter iter_variant;
592 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "i",
595 result = dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, &rv);
596 dbus_message_iter_close_container (iter, &iter_variant);
601 impl_get_ToolkitName (DBusMessageIter * iter, void *user_data)
603 return return_v_string (iter, "at-spi-registry");
607 impl_get_ToolkitVersion (DBusMessageIter * iter, void *user_data)
609 return return_v_string (iter, "2.0");
613 impl_GetChildAtIndex (DBusConnection * bus,
614 DBusMessage * message, void *user_data)
616 SpiRegistry *reg = SPI_REGISTRY (user_data);
618 DBusMessageIter iter;
623 dbus_error_init (&error);
624 if (!dbus_message_get_args
625 (message, &error, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID))
627 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
630 reply = dbus_message_new_method_return (message);
631 dbus_message_iter_init_append (reply, &iter);
633 if (i < 0 || i >= reg->apps->len)
634 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_NULL);
637 ref = g_ptr_array_index (reg->apps, i);
638 append_reference (&iter, ref->name, ref->path);
645 impl_GetChildren (DBusConnection * bus,
646 DBusMessage * message, void *user_data)
648 DBusMessage *reply = NULL;
649 DBusMessageIter iter, iter_array;
650 SpiRegistry *reg = SPI_REGISTRY (user_data);
653 reply = dbus_message_new_method_return (message);
655 dbus_message_iter_init_append (reply, &iter);
656 dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &iter_array);
657 for (i=0; i < reg->apps->len; i++)
659 SpiReference *current = g_ptr_array_index (reg->apps, i);
660 append_reference (&iter_array, current->name, current->path);
662 dbus_message_iter_close_container(&iter, &iter_array);
667 impl_GetIndexInParent (DBusConnection * bus,
668 DBusMessage * message, void *user_data)
671 dbus_uint32_t rv = 0;
673 reply = dbus_message_new_method_return (message);
674 dbus_message_append_args (reply, DBUS_TYPE_INT32, &rv, DBUS_TYPE_INVALID);
679 impl_GetRelationSet (DBusConnection * bus,
680 DBusMessage * message, void *user_data)
683 DBusMessageIter iter, iter_array;
685 reply = dbus_message_new_method_return (message);
686 dbus_message_iter_init_append (reply, &iter);
687 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ua(so))", &iter_array);
688 dbus_message_iter_close_container (&iter, &iter_array);
694 impl_GetRole (DBusConnection * bus, DBusMessage * message, void * user_data)
697 dbus_uint32_t rv = 14; /* TODO: Get DESKTOP_FRAME from somewhere */
699 reply = dbus_message_new_method_return (message);
700 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv, DBUS_TYPE_INVALID);
705 impl_GetRoleName (DBusConnection * bus,
706 DBusMessage * message, void *user_data)
709 const char *role_name = "desktop frame";
711 reply = dbus_message_new_method_return (message);
712 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
718 impl_GetLocalizedRoleName (DBusConnection * bus,
719 DBusMessage * message, void *user_data)
721 /* TODO - Localize this */
723 const char *role_name = "desktop frame";
725 reply = dbus_message_new_method_return (message);
726 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
732 impl_GetState (DBusConnection * bus, DBusMessage * message, void *user_data)
734 DBusMessage *reply = NULL;
735 DBusMessageIter iter, iter_array;
737 dbus_uint32_t states[2] = {0, 0};
740 reply = dbus_message_new_method_return (message);
741 dbus_message_iter_init_append (reply, &iter);
743 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "u", &iter_array);
744 for (count = 0; count < 2; count++)
746 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_UINT32,
749 dbus_message_iter_close_container (&iter, &iter_array);
754 impl_GetAttributes (DBusConnection * bus,
755 DBusMessage * message, void *user_data)
757 DBusMessage *reply = NULL;
758 DBusMessageIter iter, array;
760 reply = dbus_message_new_method_return (message);
761 dbus_message_iter_init_append (reply, &iter);
762 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "{ss}", &array);
763 dbus_message_iter_close_container (&iter, &array);
769 impl_GetApplication (DBusConnection * bus,
770 DBusMessage * message, void *user_data)
772 DBusMessage *reply = NULL;
773 DBusMessageIter iter;
775 reply = dbus_message_new_method_return (message);
776 dbus_message_iter_init_append (reply, &iter);
777 append_reference (&iter,
778 dbus_bus_get_unique_name (bus),
785 impl_GetInterfaces (DBusConnection * bus,
786 DBusMessage * message, void *user_data)
789 DBusMessageIter iter, iter_array;
791 const char *acc = SPI_DBUS_INTERFACE_ACCESSIBLE;
792 const char *com = SPI_DBUS_INTERFACE_COMPONENT;
794 reply = dbus_message_new_method_return (message);
796 dbus_message_iter_init_append (reply, &iter);
797 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "s",
799 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &acc);
800 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &com);
801 dbus_message_iter_close_container (&iter, &iter_array);
807 impl_GetItems (DBusConnection * bus, DBusMessage * message, void *user_data)
810 DBusMessageIter iter, iter_array;
812 reply = dbus_message_new_method_return (message);
814 dbus_message_iter_init_append (reply, &iter);
815 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
816 "((so)(so)(so)a(so)assusau)", &iter_array);
817 dbus_message_iter_close_container (&iter, &iter_array);
821 /* I would rather these two be signals, but I'm not sure that dbus-python
822 * supports emitting signals except for a service, so implementing as both
823 * a method call and signal for now.
826 impl_register_event (DBusConnection *bus, DBusMessage *message, void *user_data)
828 SpiRegistry *registry = SPI_REGISTRY (user_data);
829 const char *orig_name;
834 const char *sender = dbus_message_get_sender (message);
836 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &orig_name,
840 name = ensure_proper_format (orig_name);
842 evdata = (event_data *) g_malloc (sizeof (*evdata));
845 data = g_strsplit (name, ":", 3);
846 evdata->bus_name = g_strdup (sender);
848 registry->events = g_list_append (registry->events, evdata);
850 if (needs_mouse_poll (evdata->data))
852 spi_device_event_controller_start_poll_mouse (registry);
855 signal = dbus_message_new_signal (SPI_DBUS_PATH_REGISTRY,
856 SPI_DBUS_INTERFACE_REGISTRY,
857 "EventListenerRegistered");
858 dbus_message_append_args (signal, DBUS_TYPE_STRING, &sender,
859 DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID);
860 dbus_connection_send (bus, signal, NULL);
861 dbus_message_unref (signal);
864 return dbus_message_new_method_return (message);
868 impl_deregister_event (DBusConnection *bus, DBusMessage *message, void *user_data)
870 SpiRegistry *registry = SPI_REGISTRY (user_data);
871 const char *orig_name;
873 const char *sender = dbus_message_get_sender (message);
875 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &orig_name,
878 name = ensure_proper_format (orig_name);
880 remove_events (registry, sender, name);
883 return dbus_message_new_method_return (message);
887 impl_get_registered_events (DBusConnection *bus, DBusMessage *message, void *user_data)
889 SpiRegistry *registry = SPI_REGISTRY (user_data);
892 DBusMessageIter iter, iter_struct, iter_array;
895 reply = dbus_message_new_method_return (message);
899 dbus_message_iter_init_append (reply, &iter);
900 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ss)", &iter_array);
901 for (list = registry->events; list; list = list->next)
905 str = g_strconcat (evdata->data [0],
906 ":", (evdata->data [1]? evdata->data [1]: ""),
907 ":", (evdata->data [1] && evdata->data [2]? evdata->data [2]: ""), NULL);
908 dbus_message_iter_open_container (&iter_array, DBUS_TYPE_STRUCT, NULL, &iter_struct);
909 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &evdata->bus_name);
910 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &str);
911 dbus_message_iter_close_container (&iter_array, &iter_struct);
914 dbus_message_iter_close_container (&iter, &iter_array);
918 /*---------------------------------------------------------------------------*/
921 emit_Available (DBusConnection * bus)
924 DBusMessageIter iter;
926 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, SPI_DBUS_INTERFACE_SOCKET, "Available");
928 dbus_message_iter_init_append(sig, &iter);
929 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_ROOT);
931 dbus_connection_send(bus, sig, NULL);
932 dbus_message_unref(sig);
935 /*---------------------------------------------------------------------------*/
937 static const char *introspection_header =
938 "<?xml version=\"1.0\"?>\n";
940 static const char *introspection_node_element =
941 "<node name=\"%s\">\n";
943 static const char *introspection_footer =
947 impl_Introspect_root (DBusConnection * bus,
948 DBusMessage * message, void *user_data)
953 const gchar *pathstr = SPI_DBUS_PATH_ROOT;
957 output = g_string_new(introspection_header);
959 g_string_append_printf(output, introspection_node_element, pathstr);
961 g_string_append (output, spi_org_a11y_atspi_Accessible);
962 g_string_append (output, spi_org_a11y_atspi_Component);
964 g_string_append(output, introspection_footer);
965 final = g_string_free(output, FALSE);
967 reply = dbus_message_new_method_return (message);
968 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
975 impl_Introspect_registry (DBusConnection * bus,
976 DBusMessage * message, void *user_data)
981 const gchar *pathstr = SPI_DBUS_PATH_REGISTRY;
985 output = g_string_new(introspection_header);
987 g_string_append_printf(output, introspection_node_element, pathstr);
989 g_string_append (output, spi_org_a11y_atspi_Registry);
991 g_string_append(output, introspection_footer);
992 final = g_string_free(output, FALSE);
994 reply = dbus_message_new_method_return (message);
995 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
1001 /*---------------------------------------------------------------------------*/
1004 * Emits an AT-SPI event.
1005 * AT-SPI events names are split into three parts:
1007 * This is mapped onto D-Bus events as:
1008 * D-Bus Interface:Signal Name:Detail argument
1010 * Marshals a basic type into the 'any_data' attribute of
1014 emit_event (DBusConnection *bus,
1018 dbus_int32_t detail1,
1019 dbus_int32_t detail2,
1024 DBusMessageIter iter, iter_variant;
1026 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, klass, major);
1028 dbus_message_iter_init_append(sig, &iter);
1030 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &minor);
1031 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
1032 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
1034 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(so)",
1036 append_reference (&iter_variant, name, path);
1037 dbus_message_iter_close_container (&iter, &iter_variant);
1039 append_reference (&iter,
1040 dbus_bus_get_unique_name (bus),
1041 SPI_DBUS_PATH_ROOT);
1043 dbus_connection_send(bus, sig, NULL);
1044 dbus_message_unref(sig);
1047 /*---------------------------------------------------------------------------*/
1050 * Children changed signal converter and forwarder.
1052 * Klass (Interface) org.a11y.atspi.Event.Object
1053 * Major is the signal name.
1054 * Minor is 'add' or 'remove'
1055 * detail1 is the index.
1057 * any_data is the child reference.
1061 children_added_listener (DBusConnection * bus,
1066 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "add", index, 0,
1071 children_removed_listener (DBusConnection * bus,
1076 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "remove", index, 0,
1080 /*---------------------------------------------------------------------------*/
1082 static DBusHandlerResult
1083 handle_method_root (DBusConnection *bus, DBusMessage *message, void *user_data)
1085 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1087 const gchar *iface = dbus_message_get_interface (message);
1088 const gchar *member = dbus_message_get_member (message);
1089 const gint type = dbus_message_get_type (message);
1091 DBusMessage *reply = NULL;
1093 /* Check for basic reasons not to handle */
1094 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1097 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1099 if (!strcmp (iface, "org.freedesktop.DBus.Properties"))
1101 if (!strcmp (member, "Get"))
1103 const gchar *prop_iface;
1104 const gchar *prop_member;
1107 dbus_error_init (&error);
1108 if (dbus_message_get_args (message,
1116 DBusMessageIter iter;
1118 reply = dbus_message_new_method_return (message);
1119 dbus_message_iter_init_append (reply, &iter);
1122 if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1124 if (!strcmp (prop_member, "Name"))
1125 impl_get_Name (&iter, user_data);
1126 else if (!strcmp (prop_member, "Description"))
1127 impl_get_Description (&iter, user_data);
1128 else if (!strcmp (prop_member, "Parent"))
1129 impl_get_Parent (&iter, user_data);
1130 else if (!strcmp (prop_member, "ChildCount"))
1131 impl_get_ChildCount (&iter, user_data);
1134 dbus_message_unref (reply);
1135 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1138 else if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_APPLICATION))
1140 if (!strcmp (prop_member, "ToolkitName"))
1141 impl_get_ToolkitName (&iter, user_data);
1142 else if (!strcmp (prop_member, "ToolkitVersion"))
1143 impl_get_ToolkitVersion (&iter, user_data);
1146 dbus_message_unref (reply);
1147 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1152 dbus_message_unref (reply);
1153 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1158 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, error.message);
1160 result = DBUS_HANDLER_RESULT_HANDLED;
1162 else if (!strcmp (member, "GetAll"))
1164 result = DBUS_HANDLER_RESULT_HANDLED;
1168 if (!strcmp (iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1170 result = DBUS_HANDLER_RESULT_HANDLED;
1171 if (!strcmp (member, "GetChildAtIndex"))
1172 reply = impl_GetChildAtIndex (bus, message, user_data);
1173 else if (!strcmp (member, "GetChildren"))
1174 reply = impl_GetChildren (bus, message, user_data);
1175 else if (!strcmp (member, "GetIndexInParent"))
1176 reply = impl_GetIndexInParent (bus, message, user_data);
1177 else if (!strcmp (member, "GetRelationSet"))
1178 reply = impl_GetRelationSet (bus, message, user_data);
1179 else if (!strcmp (member, "GetRole"))
1180 reply = impl_GetRole (bus, message, user_data);
1181 else if (!strcmp (member, "GetRoleName"))
1182 reply = impl_GetRoleName (bus, message, user_data);
1183 else if (!strcmp (member, "GetLocalizedRoleName"))
1184 reply = impl_GetLocalizedRoleName (bus, message, user_data);
1185 else if (!strcmp (member, "GetState"))
1186 reply = impl_GetState (bus, message, user_data);
1187 else if (!strcmp (member, "GetAttributes"))
1188 reply = impl_GetAttributes (bus, message, user_data);
1189 else if (!strcmp (member, "GetApplication"))
1190 reply = impl_GetApplication (bus, message, user_data);
1191 else if (!strcmp (member, "GetInterfaces"))
1192 reply = impl_GetInterfaces (bus, message, user_data);
1194 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1197 if (!strcmp (iface, SPI_DBUS_INTERFACE_COMPONENT))
1199 result = DBUS_HANDLER_RESULT_HANDLED;
1200 if (!strcmp (member, "Contains"))
1201 reply = impl_Contains (bus, message, user_data);
1202 else if (!strcmp (member, "GetAccessibleAtPoint"))
1203 reply = impl_GetAccessibleAtPoint (bus, message, user_data);
1204 else if (!strcmp (member, "GetExtents"))
1205 reply = impl_GetExtents (bus, message, user_data);
1206 else if (!strcmp (member, "GetPosition"))
1207 reply = impl_GetPosition (bus, message, user_data);
1208 else if (!strcmp (member, "GetSize"))
1209 reply = impl_GetSize (bus, message, user_data);
1210 else if (!strcmp (member, "GetLayer"))
1211 reply = impl_GetLayer (bus, message, user_data);
1212 else if (!strcmp (member, "GetMDIZOrder"))
1213 reply = impl_GetMDIZOrder (bus, message, user_data);
1214 else if (!strcmp (member, "GrabFocus"))
1215 reply = impl_GrabFocus (bus, message, user_data);
1216 else if (!strcmp (member, "GetAlpha"))
1217 reply = impl_GetAlpha (bus, message, user_data);
1219 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1222 if (!strcmp (iface, SPI_DBUS_INTERFACE_SOCKET))
1224 result = DBUS_HANDLER_RESULT_HANDLED;
1225 if (!strcmp (member, "Embed"))
1226 reply = impl_Embed (bus, message, user_data);
1227 else if (!strcmp (member, "Unembed"))
1228 reply = impl_Unembed (bus, message, user_data);
1230 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1233 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1235 result = DBUS_HANDLER_RESULT_HANDLED;
1236 if (!strcmp (member, "Introspect"))
1237 reply = impl_Introspect_root (bus, message, user_data);
1239 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1242 if (result == DBUS_HANDLER_RESULT_HANDLED)
1246 reply = dbus_message_new_method_return (message);
1249 dbus_connection_send (bus, reply, NULL);
1250 dbus_message_unref (reply);
1255 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1262 static DBusHandlerResult
1263 handle_method_cache (DBusConnection *bus, DBusMessage *message, void *user_data)
1265 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1267 const gchar *iface = dbus_message_get_interface (message);
1268 const gchar *member = dbus_message_get_member (message);
1269 const gint type = dbus_message_get_type (message);
1271 DBusMessage *reply = NULL;
1273 /* Check for basic reasons not to handle */
1274 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1277 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1279 if (!strcmp (iface, SPI_DBUS_INTERFACE_CACHE))
1281 result = DBUS_HANDLER_RESULT_HANDLED;
1282 if (!strcmp (member, "GetItems"))
1283 reply = impl_GetItems (bus, message, user_data);
1285 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1288 if (result == DBUS_HANDLER_RESULT_HANDLED)
1292 reply = dbus_message_new_method_return (message);
1295 dbus_connection_send (bus, reply, NULL);
1296 dbus_message_unref (reply);
1301 static DBusHandlerResult
1302 handle_method_registry (DBusConnection *bus, DBusMessage *message, void *user_data)
1304 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1306 const gchar *iface = dbus_message_get_interface (message);
1307 const gchar *member = dbus_message_get_member (message);
1308 const gint type = dbus_message_get_type (message);
1310 DBusMessage *reply = NULL;
1312 /* Check for basic reasons not to handle */
1313 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1316 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1318 if (!strcmp (iface, SPI_DBUS_INTERFACE_REGISTRY))
1320 result = DBUS_HANDLER_RESULT_HANDLED;
1321 if (!strcmp(member, "RegisterEvent"))
1322 reply = impl_register_event (bus, message, user_data);
1323 else if (!strcmp(member, "DeregisterEvent"))
1324 reply = impl_deregister_event (bus, message, user_data);
1325 else if (!strcmp(member, "GetRegisteredEvents"))
1326 reply = impl_get_registered_events (bus, message, user_data);
1328 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1331 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1333 result = DBUS_HANDLER_RESULT_HANDLED;
1334 if (!strcmp (member, "Introspect"))
1335 reply = impl_Introspect_registry (bus, message, user_data);
1337 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1340 if (result == DBUS_HANDLER_RESULT_HANDLED)
1344 reply = dbus_message_new_method_return (message);
1347 dbus_connection_send (bus, reply, NULL);
1348 dbus_message_unref (reply);
1353 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1360 /*---------------------------------------------------------------------------*/
1362 static DBusObjectPathVTable root_vtable =
1365 &handle_method_root,
1366 NULL, NULL, NULL, NULL
1369 static DBusObjectPathVTable registry_vtable =
1372 &handle_method_registry,
1373 NULL, NULL, NULL, NULL
1376 static DBusObjectPathVTable cache_vtable =
1379 &handle_method_cache,
1380 NULL, NULL, NULL, NULL
1383 static gchar *app_sig_match_name_owner =
1384 "type='signal', interface='org.freedesktop.DBus', member='NameOwnerChanged'";
1387 spi_registry_new (DBusConnection *bus)
1389 SpiRegistry *reg = g_object_new (SPI_REGISTRY_TYPE, NULL);
1393 dbus_bus_add_match (bus, app_sig_match_name_owner, NULL);
1394 dbus_connection_add_filter (bus, signal_filter, reg, NULL);
1396 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_ROOT, &root_vtable, reg);
1398 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_CACHE, &cache_vtable, reg);
1400 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_REGISTRY, ®istry_vtable, reg);
1402 emit_Available (bus);
1409 /*END------------------------------------------------------------------------*/