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 return dbus_message_iter_append_basic (iter, DBUS_TYPE_INT32, &rv);
598 impl_GetChildAtIndex (DBusConnection * bus,
599 DBusMessage * message, void *user_data)
601 SpiRegistry *reg = SPI_REGISTRY (user_data);
603 DBusMessageIter iter;
608 dbus_error_init (&error);
609 if (!dbus_message_get_args
610 (message, &error, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID))
612 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
615 reply = dbus_message_new_method_return (message);
616 dbus_message_iter_init_append (reply, &iter);
618 if (i < 0 || i >= reg->apps->len)
619 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_NULL);
622 ref = g_ptr_array_index (reg->apps, i);
623 append_reference (&iter, ref->name, ref->path);
630 impl_GetChildren (DBusConnection * bus,
631 DBusMessage * message, void *user_data)
633 DBusMessage *reply = NULL;
634 DBusMessageIter iter, iter_array;
635 SpiRegistry *reg = SPI_REGISTRY (user_data);
638 reply = dbus_message_new_method_return (message);
640 dbus_message_iter_init_append (reply, &iter);
641 dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &iter_array);
642 for (i=0; i < reg->apps->len; i++)
644 SpiReference *current = g_ptr_array_index (reg->apps, i);
645 append_reference (&iter_array, current->name, current->path);
647 dbus_message_iter_close_container(&iter, &iter_array);
652 impl_GetIndexInParent (DBusConnection * bus,
653 DBusMessage * message, void *user_data)
656 dbus_uint32_t rv = 0;
658 reply = dbus_message_new_method_return (message);
659 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv, DBUS_TYPE_INVALID);
664 impl_GetRelationSet (DBusConnection * bus,
665 DBusMessage * message, void *user_data)
668 DBusMessageIter iter, iter_array;
670 reply = dbus_message_new_method_return (message);
671 dbus_message_iter_init_append (reply, &iter);
672 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ua(so))", &iter_array);
673 dbus_message_iter_close_container (&iter, &iter_array);
679 impl_GetRole (DBusConnection * bus, DBusMessage * message, void * user_data)
682 dbus_uint32_t rv = 0;
684 reply = dbus_message_new_method_return (message);
685 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv, DBUS_TYPE_INVALID);
690 impl_GetRoleName (DBusConnection * bus,
691 DBusMessage * message, void *user_data)
694 const char *role_name = "unknown";
696 reply = dbus_message_new_method_return (message);
697 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
703 impl_GetLocalizedRoleName (DBusConnection * bus,
704 DBusMessage * message, void *user_data)
706 /* TODO - Localize this */
708 const char *role_name = "unknown";
710 reply = dbus_message_new_method_return (message);
711 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
717 impl_GetState (DBusConnection * bus, DBusMessage * message, void *user_data)
719 DBusMessage *reply = NULL;
720 DBusMessageIter iter, iter_array;
722 dbus_uint32_t states[2] = {0, 0};
725 reply = dbus_message_new_method_return (message);
726 dbus_message_iter_init_append (reply, &iter);
728 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "u", &iter_array);
729 for (count = 0; count < 2; count++)
731 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_UINT32,
734 dbus_message_iter_close_container (&iter, &iter_array);
739 impl_GetAttributes (DBusConnection * bus,
740 DBusMessage * message, void *user_data)
742 DBusMessage *reply = NULL;
743 DBusMessageIter iter, array;
745 reply = dbus_message_new_method_return (message);
746 dbus_message_iter_init_append (reply, &iter);
747 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "{ss}", &array);
748 dbus_message_iter_close_container (&iter, &array);
754 impl_GetApplication (DBusConnection * bus,
755 DBusMessage * message, void *user_data)
757 DBusMessage *reply = NULL;
758 DBusMessageIter iter;
760 reply = dbus_message_new_method_return (message);
761 dbus_message_iter_init_append (reply, &iter);
762 append_reference (&iter,
763 dbus_bus_get_unique_name (bus),
770 impl_GetInterfaces (DBusConnection * bus,
771 DBusMessage * message, void *user_data)
774 DBusMessageIter iter, iter_array;
776 const char *acc = SPI_DBUS_INTERFACE_ACCESSIBLE;
777 const char *com = SPI_DBUS_INTERFACE_COMPONENT;
779 reply = dbus_message_new_method_return (message);
781 dbus_message_iter_init_append (reply, &iter);
782 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "s",
784 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &acc);
785 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &com);
786 dbus_message_iter_close_container (&iter, &iter_array);
791 /* I would rather these two be signals, but I'm not sure that dbus-python
792 * supports emitting signals except for a service, so implementing as both
793 * a method call and signal for now.
796 impl_register_event (DBusConnection *bus, DBusMessage *message, void *user_data)
798 SpiRegistry *registry = SPI_REGISTRY (user_data);
799 const char *orig_name;
805 const char *sender = dbus_message_get_sender (message);
807 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &orig_name,
811 name = ensure_proper_format (orig_name);
813 evdata = (event_data *) g_malloc (sizeof (*evdata));
816 data = g_strsplit (name, ":", 3);
826 evdata->bus_name = g_strdup (sender);
828 new_list = g_list_append (registry->events, evdata);
830 registry->events = new_list;
832 if (needs_mouse_poll (evdata->data))
834 spi_device_event_controller_start_poll_mouse (registry);
837 signal = dbus_message_new_signal (SPI_DBUS_PATH_REGISTRY,
838 SPI_DBUS_INTERFACE_REGISTRY,
839 "EventListenerRegistered");
840 dbus_message_append_args (signal, DBUS_TYPE_STRING, &sender,
841 DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID);
842 dbus_connection_send (bus, signal, NULL);
843 dbus_message_unref (signal);
846 return dbus_message_new_method_return (message);
850 impl_deregister_event (DBusConnection *bus, DBusMessage *message, void *user_data)
852 SpiRegistry *registry = SPI_REGISTRY (user_data);
853 const char *orig_name;
855 const char *sender = dbus_message_get_sender (message);
857 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &orig_name,
860 name = ensure_proper_format (orig_name);
862 remove_events (registry, sender, name);
865 return dbus_message_new_method_return (message);
869 impl_get_registered_events (DBusConnection *bus, DBusMessage *message, void *user_data)
871 SpiRegistry *registry = SPI_REGISTRY (user_data);
874 DBusMessageIter iter, iter_struct, iter_array;
877 reply = dbus_message_new_method_return (message);
881 dbus_message_iter_init_append (reply, &iter);
882 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ss)", &iter_array);
883 for (list = registry->events; list; list = list->next)
887 str = g_strconcat (evdata->data [0],
888 ":", (evdata->data [1]? evdata->data [1]: ""),
889 ":", (evdata->data [2]? evdata->data [2]: ""), NULL);
890 dbus_message_iter_open_container (&iter_array, DBUS_TYPE_STRUCT, NULL, &iter_struct);
891 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &evdata->bus_name);
892 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &str);
893 dbus_message_iter_close_container (&iter_array, &iter_struct);
896 dbus_message_iter_close_container (&iter, &iter_array);
900 /*---------------------------------------------------------------------------*/
903 emit_Available (DBusConnection * bus)
906 DBusMessageIter iter;
908 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, SPI_DBUS_INTERFACE_SOCKET, "Available");
910 dbus_message_iter_init_append(sig, &iter);
911 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_ROOT);
913 dbus_connection_send(bus, sig, NULL);
914 dbus_message_unref(sig);
917 /*---------------------------------------------------------------------------*/
919 static const char *introspection_header =
920 "<?xml version=\"1.0\"?>\n";
922 static const char *introspection_node_element =
923 "<node name=\"%s\">\n";
925 static const char *introspection_footer =
929 impl_Introspect_root (DBusConnection * bus,
930 DBusMessage * message, void *user_data)
936 const gchar *pathstr = SPI_DBUS_PATH_ROOT;
940 output = g_string_new(introspection_header);
942 g_string_append_printf(output, introspection_node_element, pathstr);
944 g_string_append (output, spi_org_a11y_atspi_Accessible);
945 g_string_append (output, spi_org_a11y_atspi_Component);
947 g_string_append(output, introspection_footer);
948 final = g_string_free(output, FALSE);
950 reply = dbus_message_new_method_return (message);
951 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
958 impl_Introspect_registry (DBusConnection * bus,
959 DBusMessage * message, void *user_data)
965 const gchar *pathstr = SPI_DBUS_PATH_REGISTRY;
969 output = g_string_new(introspection_header);
971 g_string_append_printf(output, introspection_node_element, pathstr);
973 g_string_append (output, spi_org_a11y_atspi_Registry);
975 g_string_append(output, introspection_footer);
976 final = g_string_free(output, FALSE);
978 reply = dbus_message_new_method_return (message);
979 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
985 /*---------------------------------------------------------------------------*/
988 * Emits an AT-SPI event.
989 * AT-SPI events names are split into three parts:
991 * This is mapped onto D-Bus events as:
992 * D-Bus Interface:Signal Name:Detail argument
994 * Marshals a basic type into the 'any_data' attribute of
998 emit_event (DBusConnection *bus,
1002 dbus_int32_t detail1,
1003 dbus_int32_t detail2,
1008 DBusMessageIter iter, iter_variant;
1010 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, klass, major);
1012 dbus_message_iter_init_append(sig, &iter);
1014 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &minor);
1015 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
1016 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
1018 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(so)",
1020 append_reference (&iter_variant, name, path);
1021 dbus_message_iter_close_container (&iter, &iter_variant);
1023 append_reference (&iter,
1024 dbus_bus_get_unique_name (bus),
1025 SPI_DBUS_PATH_ROOT);
1027 dbus_connection_send(bus, sig, NULL);
1028 dbus_message_unref(sig);
1031 /*---------------------------------------------------------------------------*/
1034 * Children changed signal converter and forwarder.
1036 * Klass (Interface) org.a11y.atspi.Event.Object
1037 * Major is the signal name.
1038 * Minor is 'add' or 'remove'
1039 * detail1 is the index.
1041 * any_data is the child reference.
1045 children_added_listener (DBusConnection * bus,
1050 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "add", index, 0,
1055 children_removed_listener (DBusConnection * bus,
1060 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "remove", index, 0,
1064 /*---------------------------------------------------------------------------*/
1066 static DBusHandlerResult
1067 handle_method_root (DBusConnection *bus, DBusMessage *message, void *user_data)
1069 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1071 const gchar *iface = dbus_message_get_interface (message);
1072 const gchar *member = dbus_message_get_member (message);
1073 const gint type = dbus_message_get_type (message);
1075 DBusMessage *reply = NULL;
1077 /* Check for basic reasons not to handle */
1078 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1081 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1083 if (!strcmp (iface, "org.freedesktop.DBus.Properties"))
1085 if (!strcmp (member, "Get"))
1087 const gchar *prop_iface;
1088 const gchar *prop_member;
1091 dbus_error_init (&error);
1092 if (dbus_message_get_args (message,
1100 DBusMessageIter iter;
1102 reply = dbus_message_new_method_return (message);
1103 dbus_message_iter_init_append (reply, &iter);
1106 if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1108 if (!strcmp (prop_member, "Name"))
1109 impl_get_Name (&iter, user_data);
1110 else if (!strcmp (prop_member, "Description"))
1111 impl_get_Description (&iter, user_data);
1112 else if (!strcmp (prop_member, "Parent"))
1113 impl_get_Parent (&iter, user_data);
1114 else if (!strcmp (prop_member, "ChildCount"))
1115 impl_get_ChildCount (&iter, user_data);
1118 dbus_message_unref (reply);
1119 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1125 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, error.message);
1127 result = DBUS_HANDLER_RESULT_HANDLED;
1129 else if (!strcmp (member, "GetAll"))
1131 result = DBUS_HANDLER_RESULT_HANDLED;
1135 if (!strcmp (iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1137 result = DBUS_HANDLER_RESULT_HANDLED;
1138 if (!strcmp (member, "GetChildAtIndex"))
1139 reply = impl_GetChildAtIndex (bus, message, user_data);
1140 else if (!strcmp (member, "GetChildren"))
1141 reply = impl_GetChildren (bus, message, user_data);
1142 else if (!strcmp (member, "GetIndexInParent"))
1143 reply = impl_GetIndexInParent (bus, message, user_data);
1144 else if (!strcmp (member, "GetRelationSet"))
1145 reply = impl_GetRelationSet (bus, message, user_data);
1146 else if (!strcmp (member, "GetRole"))
1147 reply = impl_GetRole (bus, message, user_data);
1148 else if (!strcmp (member, "GetRoleName"))
1149 reply = impl_GetRoleName (bus, message, user_data);
1150 else if (!strcmp (member, "GetLocalizedRoleName"))
1151 reply = impl_GetLocalizedRoleName (bus, message, user_data);
1152 else if (!strcmp (member, "GetState"))
1153 reply = impl_GetState (bus, message, user_data);
1154 else if (!strcmp (member, "GetAttributes"))
1155 reply = impl_GetAttributes (bus, message, user_data);
1156 else if (!strcmp (member, "GetApplication"))
1157 reply = impl_GetApplication (bus, message, user_data);
1158 else if (!strcmp (member, "GetInterfaces"))
1159 reply = impl_GetInterfaces (bus, message, user_data);
1161 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1164 if (!strcmp (iface, SPI_DBUS_INTERFACE_COMPONENT))
1166 result = DBUS_HANDLER_RESULT_HANDLED;
1167 if (!strcmp (member, "Contains"))
1168 reply = impl_Contains (bus, message, user_data);
1169 else if (!strcmp (member, "GetAccessibleAtPoint"))
1170 reply = impl_GetAccessibleAtPoint (bus, message, user_data);
1171 else if (!strcmp (member, "GetExtents"))
1172 reply = impl_GetExtents (bus, message, user_data);
1173 else if (!strcmp (member, "GetPosition"))
1174 reply = impl_GetPosition (bus, message, user_data);
1175 else if (!strcmp (member, "GetSize"))
1176 reply = impl_GetSize (bus, message, user_data);
1177 else if (!strcmp (member, "GetLayer"))
1178 reply = impl_GetLayer (bus, message, user_data);
1179 else if (!strcmp (member, "GetMDIZOrder"))
1180 reply = impl_GetMDIZOrder (bus, message, user_data);
1181 else if (!strcmp (member, "GrabFocus"))
1182 reply = impl_GrabFocus (bus, message, user_data);
1183 else if (!strcmp (member, "GetAlpha"))
1184 reply = impl_GetAlpha (bus, message, user_data);
1186 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1189 if (!strcmp (iface, SPI_DBUS_INTERFACE_SOCKET))
1191 result = DBUS_HANDLER_RESULT_HANDLED;
1192 if (!strcmp (member, "Embed"))
1193 reply = impl_Embed (bus, message, user_data);
1194 else if (!strcmp (member, "Unembed"))
1195 reply = impl_Unembed (bus, message, user_data);
1197 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1200 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1202 result = DBUS_HANDLER_RESULT_HANDLED;
1203 if (!strcmp (member, "Introspect"))
1204 reply = impl_Introspect_root (bus, message, user_data);
1206 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1209 if (result == DBUS_HANDLER_RESULT_HANDLED)
1213 reply = dbus_message_new_method_return (message);
1216 dbus_connection_send (bus, reply, NULL);
1217 dbus_message_unref (reply);
1222 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1229 static DBusHandlerResult
1230 handle_method_registry (DBusConnection *bus, DBusMessage *message, void *user_data)
1232 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1234 const gchar *iface = dbus_message_get_interface (message);
1235 const gchar *member = dbus_message_get_member (message);
1236 const gint type = dbus_message_get_type (message);
1238 DBusMessage *reply = NULL;
1240 /* Check for basic reasons not to handle */
1241 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1244 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1246 if (!strcmp (iface, SPI_DBUS_INTERFACE_REGISTRY))
1248 result = DBUS_HANDLER_RESULT_HANDLED;
1249 if (!strcmp(member, "RegisterEvent"))
1250 reply = impl_register_event (bus, message, user_data);
1251 else if (!strcmp(member, "DeregisterEvent"))
1252 reply = impl_deregister_event (bus, message, user_data);
1253 else if (!strcmp(member, "GetRegisteredEvents"))
1254 reply = impl_get_registered_events (bus, message, user_data);
1256 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1259 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1261 result = DBUS_HANDLER_RESULT_HANDLED;
1262 if (!strcmp (member, "Introspect"))
1263 reply = impl_Introspect_registry (bus, message, user_data);
1265 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1268 if (result == DBUS_HANDLER_RESULT_HANDLED)
1272 reply = dbus_message_new_method_return (message);
1275 dbus_connection_send (bus, reply, NULL);
1276 dbus_message_unref (reply);
1281 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1288 /*---------------------------------------------------------------------------*/
1290 static DBusObjectPathVTable root_vtable =
1293 &handle_method_root,
1294 NULL, NULL, NULL, NULL
1297 static DBusObjectPathVTable registry_vtable =
1300 &handle_method_registry,
1301 NULL, NULL, NULL, NULL
1304 static gchar *app_sig_match_name_owner =
1305 "type='signal', interface='org.freedesktop.DBus', member='NameOwnerChanged'";
1308 spi_registry_new (DBusConnection *bus)
1310 SpiRegistry *reg = g_object_new (SPI_REGISTRY_TYPE, NULL);
1314 dbus_bus_add_match (bus, app_sig_match_name_owner, NULL);
1315 dbus_connection_add_filter (bus, signal_filter, reg, NULL);
1317 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_ROOT, &root_vtable, reg);
1319 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_REGISTRY, ®istry_vtable, reg);
1321 emit_Available (bus);
1328 /*END------------------------------------------------------------------------*/