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.
27 #include <dbus/dbus-glib-lowlevel.h>
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 /*TODO spi_remove_device_listeners (registry->de_controller, old);*/
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 children_removed_listener (bus, i, old, ref->path);
297 g_ptr_array_remove_index (reg->apps, i);
301 remove_events (reg, old, "");
307 * Converts names of the form "active-descendant-changed" to
308 *" ActiveDescendantChanged"
311 ensure_proper_format (const char *name)
313 gchar *ret = (gchar *) g_malloc (strlen (name) * 2 + 2);
315 gboolean need_upper = TRUE;
323 *p++ = toupper (*name);
326 else if (*name == '-')
328 else if (*name == ':')
341 static DBusHandlerResult
342 signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
344 SpiRegistry *registry = SPI_REGISTRY (user_data);
345 guint res = DBUS_HANDLER_RESULT_HANDLED;
346 const gint type = dbus_message_get_type (message);
347 const char *iface = dbus_message_get_interface (message);
348 const char *member = dbus_message_get_member (message);
350 if (type != DBUS_MESSAGE_TYPE_SIGNAL)
353 if (!g_strcmp0(iface, DBUS_INTERFACE_DBUS) &&
354 !g_strcmp0(member, "NameOwnerChanged"))
355 handle_disconnection (bus, message, user_data);
357 res = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
362 /* org.at_spi.Socket interface */
363 /*---------------------------------------------------------------------------*/
366 impl_Embed (DBusConnection *bus, DBusMessage *message, void *user_data)
368 SpiRegistry *reg = SPI_REGISTRY (user_data);
369 DBusMessageIter iter, iter_struct;
370 gchar *app_name, *obj_path;
372 DBusMessage *reply = NULL;
373 DBusMessageIter reply_iter;
375 dbus_message_iter_init (message, &iter);
376 dbus_message_iter_recurse (&iter, &iter_struct);
377 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
379 dbus_message_iter_get_basic (&iter_struct, &app_name);
380 if (!dbus_message_iter_next (&iter_struct))
382 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
384 dbus_message_iter_get_basic (&iter_struct, &obj_path);
386 add_application(reg, bus, app_name, obj_path);
388 set_id (reg, bus, app_name, obj_path);
390 reply = dbus_message_new_method_return (message);
391 dbus_message_iter_init_append (reply, &reply_iter);
392 append_reference (&reply_iter,
393 dbus_bus_get_unique_name (bus),
398 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
402 impl_Unembed (DBusConnection *bus, DBusMessage *message, void *user_data)
404 SpiRegistry *reg = SPI_REGISTRY (user_data);
405 DBusMessageIter iter, iter_struct;
406 gchar *app_name, *obj_path;
409 dbus_message_iter_init (message, &iter);
410 dbus_message_iter_recurse (&iter, &iter_struct);
411 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
413 dbus_message_iter_get_basic (&iter_struct, &app_name);
414 if (!dbus_message_iter_next (&iter_struct))
416 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
418 dbus_message_iter_get_basic (&iter_struct, &obj_path);
420 if (find_index_of_reference (reg->apps, app_name, obj_path, &index))
421 remove_application(reg, bus, index);
425 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
428 /* org.at_spi.Component interface */
429 /*---------------------------------------------------------------------------*/
432 impl_Contains (DBusConnection * bus, DBusMessage * message, void *user_data)
434 dbus_bool_t retval = FALSE;
437 reply = dbus_message_new_method_return (message);
438 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
444 impl_GetAccessibleAtPoint (DBusConnection * bus, DBusMessage * message,
447 DBusMessage *reply = NULL;
448 DBusMessageIter iter;
450 reply = dbus_message_new_method_return (message);
451 dbus_message_iter_init_append (reply, &iter);
452 append_reference (&iter,
453 dbus_bus_get_unique_name (bus),
460 impl_GetExtents (DBusConnection * bus, DBusMessage * message, void *user_data)
462 dbus_uint32_t coord_type;
463 dbus_int32_t x = 0, y = 0, width = 1024, height = 768;
465 DBusMessageIter iter, iter_struct;
467 reply = dbus_message_new_method_return (message);
468 dbus_message_iter_init_append (reply, &iter);
469 dbus_message_iter_open_container (&iter, DBUS_TYPE_STRUCT, NULL,
471 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &x);
472 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &y);
473 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &width);
474 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &height);
475 dbus_message_iter_close_container (&iter, &iter_struct);
480 impl_GetPosition (DBusConnection * bus, DBusMessage * message,
484 dbus_int32_t x = 0, y = 0;
486 reply = dbus_message_new_method_return (message);
487 dbus_message_append_args (reply, DBUS_TYPE_INT32, &x, DBUS_TYPE_INT32,
488 &y, DBUS_TYPE_INVALID);
493 impl_GetSize (DBusConnection * bus, DBusMessage * message, void *user_data)
495 /* TODO - Get the screen size */
497 dbus_int32_t width = 1024, height = 768;
499 reply = dbus_message_new_method_return (message);
500 dbus_message_append_args (reply, DBUS_TYPE_INT32, &width,
501 DBUS_TYPE_INT32, &height, DBUS_TYPE_INVALID);
505 #define LAYER_WIDGET 3;
508 impl_GetLayer (DBusConnection * bus, DBusMessage * message, void *user_data)
511 dbus_uint32_t rv = LAYER_WIDGET;
513 reply = dbus_message_new_method_return (message);
514 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv,
520 impl_GetMDIZOrder (DBusConnection * bus, DBusMessage * message,
526 reply = dbus_message_new_method_return (message);
527 dbus_message_append_args (reply, DBUS_TYPE_INT16, &rv,
533 impl_GrabFocus (DBusConnection * bus, DBusMessage * message, void *user_data)
536 dbus_bool_t retval = FALSE;
538 reply = dbus_message_new_method_return (message);
539 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
545 impl_GetAlpha (DBusConnection * bus, DBusMessage * message, void *user_data)
550 reply = dbus_message_new_method_return (message);
551 dbus_message_append_args (reply, DBUS_TYPE_DOUBLE, &rv,
556 /* org.at_spi.Accessible interface */
557 /*---------------------------------------------------------------------------*/
560 impl_get_Name (DBusMessageIter * iter, void *user_data)
562 const gchar *name = "main";
563 return return_v_string (iter, name);
567 impl_get_Description (DBusMessageIter * iter, void *user_data)
569 const gchar *description = "";
570 return return_v_string (iter, description);
574 impl_get_Parent (DBusMessageIter * iter, void *user_data)
576 const gchar *name = "";
577 DBusMessageIter iter_variant;
579 dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "(so)",
581 append_reference (&iter_variant,
584 dbus_message_iter_close_container (iter, &iter_variant);
589 impl_get_ChildCount (DBusMessageIter * iter, void *user_data)
591 SpiRegistry *reg = SPI_REGISTRY (user_data);
592 dbus_int32_t rv = reg->apps->len;
594 DBusMessageIter iter_variant;
596 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "i",
599 result = dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, &rv);
600 dbus_message_iter_close_container (iter, &iter_variant);
605 impl_get_ToolkitName (DBusMessageIter * iter, void *user_data)
607 return return_v_string (iter, "at-spi-registry");
610 impl_get_ToolkitVersion (DBusMessageIter * iter, void *user_data)
612 return return_v_string (iter, "2.0");
616 impl_GetChildAtIndex (DBusConnection * bus,
617 DBusMessage * message, void *user_data)
619 SpiRegistry *reg = SPI_REGISTRY (user_data);
621 DBusMessageIter iter;
626 dbus_error_init (&error);
627 if (!dbus_message_get_args
628 (message, &error, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID))
630 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
633 reply = dbus_message_new_method_return (message);
634 dbus_message_iter_init_append (reply, &iter);
636 if (i < 0 || i >= reg->apps->len)
637 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_NULL);
640 ref = g_ptr_array_index (reg->apps, i);
641 append_reference (&iter, ref->name, ref->path);
648 impl_GetChildren (DBusConnection * bus,
649 DBusMessage * message, void *user_data)
651 DBusMessage *reply = NULL;
652 DBusMessageIter iter, iter_array;
653 SpiRegistry *reg = SPI_REGISTRY (user_data);
656 reply = dbus_message_new_method_return (message);
658 dbus_message_iter_init_append (reply, &iter);
659 dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &iter_array);
660 for (i=0; i < reg->apps->len; i++)
662 SpiReference *current = g_ptr_array_index (reg->apps, i);
663 append_reference (&iter_array, current->name, current->path);
665 dbus_message_iter_close_container(&iter, &iter_array);
670 impl_GetIndexInParent (DBusConnection * bus,
671 DBusMessage * message, void *user_data)
674 dbus_uint32_t rv = 0;
676 reply = dbus_message_new_method_return (message);
677 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv, DBUS_TYPE_INVALID);
682 impl_GetRelationSet (DBusConnection * bus,
683 DBusMessage * message, void *user_data)
686 DBusMessageIter iter, iter_array;
688 reply = dbus_message_new_method_return (message);
689 dbus_message_iter_init_append (reply, &iter);
690 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ua(so))", &iter_array);
691 dbus_message_iter_close_container (&iter, &iter_array);
697 impl_GetRole (DBusConnection * bus, DBusMessage * message, void * user_data)
700 dbus_uint32_t rv = 14; /* TODO: Get DESKTOP_FRAME from somewhere */
702 reply = dbus_message_new_method_return (message);
703 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv, DBUS_TYPE_INVALID);
708 impl_GetRoleName (DBusConnection * bus,
709 DBusMessage * message, void *user_data)
712 const char *role_name = "desktop frame";
714 reply = dbus_message_new_method_return (message);
715 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
721 impl_GetLocalizedRoleName (DBusConnection * bus,
722 DBusMessage * message, void *user_data)
724 /* TODO - Localize this */
726 const char *role_name = "desktop frame";
728 reply = dbus_message_new_method_return (message);
729 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
735 impl_GetState (DBusConnection * bus, DBusMessage * message, void *user_data)
737 DBusMessage *reply = NULL;
738 DBusMessageIter iter, iter_array;
740 dbus_uint32_t states[2] = {0, 0};
743 reply = dbus_message_new_method_return (message);
744 dbus_message_iter_init_append (reply, &iter);
746 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "u", &iter_array);
747 for (count = 0; count < 2; count++)
749 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_UINT32,
752 dbus_message_iter_close_container (&iter, &iter_array);
757 impl_GetAttributes (DBusConnection * bus,
758 DBusMessage * message, void *user_data)
760 DBusMessage *reply = NULL;
761 DBusMessageIter iter, array;
763 reply = dbus_message_new_method_return (message);
764 dbus_message_iter_init_append (reply, &iter);
765 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "{ss}", &array);
766 dbus_message_iter_close_container (&iter, &array);
772 impl_GetApplication (DBusConnection * bus,
773 DBusMessage * message, void *user_data)
775 DBusMessage *reply = NULL;
776 DBusMessageIter iter;
778 reply = dbus_message_new_method_return (message);
779 dbus_message_iter_init_append (reply, &iter);
780 append_reference (&iter,
781 dbus_bus_get_unique_name (bus),
788 impl_GetInterfaces (DBusConnection * bus,
789 DBusMessage * message, void *user_data)
792 DBusMessageIter iter, iter_array;
794 const char *acc = SPI_DBUS_INTERFACE_ACCESSIBLE;
795 const char *com = SPI_DBUS_INTERFACE_COMPONENT;
797 reply = dbus_message_new_method_return (message);
799 dbus_message_iter_init_append (reply, &iter);
800 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "s",
802 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &acc);
803 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &com);
804 dbus_message_iter_close_container (&iter, &iter_array);
810 impl_GetItems (DBusConnection * bus, DBusMessage * message, void *user_data)
813 DBusMessageIter iter, iter_array;
815 reply = dbus_message_new_method_return (message);
817 dbus_message_iter_init_append (reply, &iter);
818 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
819 "((so)(so)(so)a(so)assusau)", &iter_array);
820 dbus_message_iter_close_container (&iter, &iter_array);
824 /* I would rather these two be signals, but I'm not sure that dbus-python
825 * supports emitting signals except for a service, so implementing as both
826 * a method call and signal for now.
829 impl_register_event (DBusConnection *bus, DBusMessage *message, void *user_data)
831 SpiRegistry *registry = SPI_REGISTRY (user_data);
832 const char *orig_name;
838 const char *sender = dbus_message_get_sender (message);
840 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &orig_name,
844 name = ensure_proper_format (orig_name);
846 evdata = (event_data *) g_malloc (sizeof (*evdata));
849 data = g_strsplit (name, ":", 3);
859 evdata->bus_name = g_strdup (sender);
861 new_list = g_list_append (registry->events, evdata);
863 registry->events = new_list;
865 if (needs_mouse_poll (evdata->data))
867 spi_device_event_controller_start_poll_mouse (registry);
870 signal = dbus_message_new_signal (SPI_DBUS_PATH_REGISTRY,
871 SPI_DBUS_INTERFACE_REGISTRY,
872 "EventListenerRegistered");
873 dbus_message_append_args (signal, DBUS_TYPE_STRING, &sender,
874 DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID);
875 dbus_connection_send (bus, signal, NULL);
876 dbus_message_unref (signal);
879 return dbus_message_new_method_return (message);
883 impl_deregister_event (DBusConnection *bus, DBusMessage *message, void *user_data)
885 SpiRegistry *registry = SPI_REGISTRY (user_data);
886 const char *orig_name;
888 const char *sender = dbus_message_get_sender (message);
890 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &orig_name,
893 name = ensure_proper_format (orig_name);
895 remove_events (registry, sender, name);
898 return dbus_message_new_method_return (message);
902 impl_get_registered_events (DBusConnection *bus, DBusMessage *message, void *user_data)
904 SpiRegistry *registry = SPI_REGISTRY (user_data);
907 DBusMessageIter iter, iter_struct, iter_array;
910 reply = dbus_message_new_method_return (message);
914 dbus_message_iter_init_append (reply, &iter);
915 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ss)", &iter_array);
916 for (list = registry->events; list; list = list->next)
920 str = g_strconcat (evdata->data [0],
921 ":", (evdata->data [1]? evdata->data [1]: ""),
922 ":", (evdata->data [2]? evdata->data [2]: ""), NULL);
923 dbus_message_iter_open_container (&iter_array, DBUS_TYPE_STRUCT, NULL, &iter_struct);
924 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &evdata->bus_name);
925 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &str);
926 dbus_message_iter_close_container (&iter_array, &iter_struct);
929 dbus_message_iter_close_container (&iter, &iter_array);
933 /*---------------------------------------------------------------------------*/
936 emit_Available (DBusConnection * bus)
939 DBusMessageIter iter;
941 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, SPI_DBUS_INTERFACE_SOCKET, "Available");
943 dbus_message_iter_init_append(sig, &iter);
944 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_ROOT);
946 dbus_connection_send(bus, sig, NULL);
947 dbus_message_unref(sig);
950 /*---------------------------------------------------------------------------*/
952 static const char *introspection_header =
953 "<?xml version=\"1.0\"?>\n";
955 static const char *introspection_node_element =
956 "<node name=\"%s\">\n";
958 static const char *introspection_footer =
962 impl_Introspect_root (DBusConnection * bus,
963 DBusMessage * message, void *user_data)
969 const gchar *pathstr = SPI_DBUS_PATH_ROOT;
973 output = g_string_new(introspection_header);
975 g_string_append_printf(output, introspection_node_element, pathstr);
977 g_string_append (output, spi_org_a11y_atspi_Accessible);
978 g_string_append (output, spi_org_a11y_atspi_Component);
980 g_string_append(output, introspection_footer);
981 final = g_string_free(output, FALSE);
983 reply = dbus_message_new_method_return (message);
984 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
991 impl_Introspect_registry (DBusConnection * bus,
992 DBusMessage * message, void *user_data)
998 const gchar *pathstr = SPI_DBUS_PATH_REGISTRY;
1002 output = g_string_new(introspection_header);
1004 g_string_append_printf(output, introspection_node_element, pathstr);
1006 g_string_append (output, spi_org_a11y_atspi_Registry);
1008 g_string_append(output, introspection_footer);
1009 final = g_string_free(output, FALSE);
1011 reply = dbus_message_new_method_return (message);
1012 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
1018 /*---------------------------------------------------------------------------*/
1021 * Emits an AT-SPI event.
1022 * AT-SPI events names are split into three parts:
1024 * This is mapped onto D-Bus events as:
1025 * D-Bus Interface:Signal Name:Detail argument
1027 * Marshals a basic type into the 'any_data' attribute of
1031 emit_event (DBusConnection *bus,
1035 dbus_int32_t detail1,
1036 dbus_int32_t detail2,
1041 DBusMessageIter iter, iter_variant;
1043 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, klass, major);
1045 dbus_message_iter_init_append(sig, &iter);
1047 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &minor);
1048 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
1049 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
1051 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(so)",
1053 append_reference (&iter_variant, name, path);
1054 dbus_message_iter_close_container (&iter, &iter_variant);
1056 append_reference (&iter,
1057 dbus_bus_get_unique_name (bus),
1058 SPI_DBUS_PATH_ROOT);
1060 dbus_connection_send(bus, sig, NULL);
1061 dbus_message_unref(sig);
1064 /*---------------------------------------------------------------------------*/
1067 * Children changed signal converter and forwarder.
1069 * Klass (Interface) org.a11y.atspi.Event.Object
1070 * Major is the signal name.
1071 * Minor is 'add' or 'remove'
1072 * detail1 is the index.
1074 * any_data is the child reference.
1078 children_added_listener (DBusConnection * bus,
1083 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "add", index, 0,
1088 children_removed_listener (DBusConnection * bus,
1093 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "remove", index, 0,
1097 /*---------------------------------------------------------------------------*/
1099 static DBusHandlerResult
1100 handle_method_root (DBusConnection *bus, DBusMessage *message, void *user_data)
1102 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1104 const gchar *iface = dbus_message_get_interface (message);
1105 const gchar *member = dbus_message_get_member (message);
1106 const gint type = dbus_message_get_type (message);
1108 DBusMessage *reply = NULL;
1110 /* Check for basic reasons not to handle */
1111 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1114 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1116 if (!strcmp (iface, "org.freedesktop.DBus.Properties"))
1118 if (!strcmp (member, "Get"))
1120 const gchar *prop_iface;
1121 const gchar *prop_member;
1124 dbus_error_init (&error);
1125 if (dbus_message_get_args (message,
1133 DBusMessageIter iter;
1135 reply = dbus_message_new_method_return (message);
1136 dbus_message_iter_init_append (reply, &iter);
1139 if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1141 if (!strcmp (prop_member, "Name"))
1142 impl_get_Name (&iter, user_data);
1143 else if (!strcmp (prop_member, "Description"))
1144 impl_get_Description (&iter, user_data);
1145 else if (!strcmp (prop_member, "Parent"))
1146 impl_get_Parent (&iter, user_data);
1147 else if (!strcmp (prop_member, "ChildCount"))
1148 impl_get_ChildCount (&iter, user_data);
1151 dbus_message_unref (reply);
1152 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1155 else if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_APPLICATION))
1157 if (!strcmp (prop_member, "ToolkitName"))
1158 impl_get_ToolkitName (&iter, user_data);
1159 else if (!strcmp (prop_member, "ToolkitVersion"))
1160 impl_get_ToolkitVersion (&iter, user_data);
1163 dbus_message_unref (reply);
1164 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1169 dbus_message_unref (reply);
1170 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1175 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, error.message);
1177 result = DBUS_HANDLER_RESULT_HANDLED;
1179 else if (!strcmp (member, "GetAll"))
1181 result = DBUS_HANDLER_RESULT_HANDLED;
1185 if (!strcmp (iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1187 result = DBUS_HANDLER_RESULT_HANDLED;
1188 if (!strcmp (member, "GetChildAtIndex"))
1189 reply = impl_GetChildAtIndex (bus, message, user_data);
1190 else if (!strcmp (member, "GetChildren"))
1191 reply = impl_GetChildren (bus, message, user_data);
1192 else if (!strcmp (member, "GetIndexInParent"))
1193 reply = impl_GetIndexInParent (bus, message, user_data);
1194 else if (!strcmp (member, "GetRelationSet"))
1195 reply = impl_GetRelationSet (bus, message, user_data);
1196 else if (!strcmp (member, "GetRole"))
1197 reply = impl_GetRole (bus, message, user_data);
1198 else if (!strcmp (member, "GetRoleName"))
1199 reply = impl_GetRoleName (bus, message, user_data);
1200 else if (!strcmp (member, "GetLocalizedRoleName"))
1201 reply = impl_GetLocalizedRoleName (bus, message, user_data);
1202 else if (!strcmp (member, "GetState"))
1203 reply = impl_GetState (bus, message, user_data);
1204 else if (!strcmp (member, "GetAttributes"))
1205 reply = impl_GetAttributes (bus, message, user_data);
1206 else if (!strcmp (member, "GetApplication"))
1207 reply = impl_GetApplication (bus, message, user_data);
1208 else if (!strcmp (member, "GetInterfaces"))
1209 reply = impl_GetInterfaces (bus, message, user_data);
1211 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1214 if (!strcmp (iface, SPI_DBUS_INTERFACE_COMPONENT))
1216 result = DBUS_HANDLER_RESULT_HANDLED;
1217 if (!strcmp (member, "Contains"))
1218 reply = impl_Contains (bus, message, user_data);
1219 else if (!strcmp (member, "GetAccessibleAtPoint"))
1220 reply = impl_GetAccessibleAtPoint (bus, message, user_data);
1221 else if (!strcmp (member, "GetExtents"))
1222 reply = impl_GetExtents (bus, message, user_data);
1223 else if (!strcmp (member, "GetPosition"))
1224 reply = impl_GetPosition (bus, message, user_data);
1225 else if (!strcmp (member, "GetSize"))
1226 reply = impl_GetSize (bus, message, user_data);
1227 else if (!strcmp (member, "GetLayer"))
1228 reply = impl_GetLayer (bus, message, user_data);
1229 else if (!strcmp (member, "GetMDIZOrder"))
1230 reply = impl_GetMDIZOrder (bus, message, user_data);
1231 else if (!strcmp (member, "GrabFocus"))
1232 reply = impl_GrabFocus (bus, message, user_data);
1233 else if (!strcmp (member, "GetAlpha"))
1234 reply = impl_GetAlpha (bus, message, user_data);
1236 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1239 if (!strcmp (iface, SPI_DBUS_INTERFACE_SOCKET))
1241 result = DBUS_HANDLER_RESULT_HANDLED;
1242 if (!strcmp (member, "Embed"))
1243 reply = impl_Embed (bus, message, user_data);
1244 else if (!strcmp (member, "Unembed"))
1245 reply = impl_Unembed (bus, message, user_data);
1247 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1250 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1252 result = DBUS_HANDLER_RESULT_HANDLED;
1253 if (!strcmp (member, "Introspect"))
1254 reply = impl_Introspect_root (bus, message, user_data);
1256 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1259 if (result == DBUS_HANDLER_RESULT_HANDLED)
1263 reply = dbus_message_new_method_return (message);
1266 dbus_connection_send (bus, reply, NULL);
1267 dbus_message_unref (reply);
1272 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1279 static DBusHandlerResult
1280 handle_method_cache (DBusConnection *bus, DBusMessage *message, void *user_data)
1282 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1284 const gchar *iface = dbus_message_get_interface (message);
1285 const gchar *member = dbus_message_get_member (message);
1286 const gint type = dbus_message_get_type (message);
1288 DBusMessage *reply = NULL;
1290 /* Check for basic reasons not to handle */
1291 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1294 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1296 if (!strcmp (iface, SPI_DBUS_INTERFACE_CACHE))
1298 result = DBUS_HANDLER_RESULT_HANDLED;
1299 if (!strcmp (member, "GetItems"))
1300 reply = impl_GetItems (bus, message, user_data);
1302 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1305 if (result == DBUS_HANDLER_RESULT_HANDLED)
1309 reply = dbus_message_new_method_return (message);
1312 dbus_connection_send (bus, reply, NULL);
1313 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------------------------------------------------------------------------*/