2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2008, 2010 Codethink Ltd.
6 * Copyright 2001, 2002 Sun Microsystems Inc.,
7 * Copyright 2001, 2002 Ximian, Inc.
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Library General Public License for more details.
19 * You should have received a copy of the GNU Library General Public
20 * License along with this library; if not, write to the
21 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 * Boston, MA 02111-1307, USA.
31 #include "introspection.h"
33 typedef struct event_data event_data;
41 children_added_listener (DBusConnection * bus,
47 children_removed_listener (DBusConnection * bus,
52 /*---------------------------------------------------------------------------*/
54 typedef struct _SpiReference
61 spi_reference_new (const gchar *name, const gchar *path)
65 ref = g_new0 (SpiReference, 1);
66 ref->name = g_strdup (name);
67 ref->path = g_strdup (path);
73 spi_reference_free (SpiReference *ref)
80 /*---------------------------------------------------------------------------*/
82 G_DEFINE_TYPE(SpiRegistry, spi_registry, G_TYPE_OBJECT)
85 spi_registry_class_init (SpiRegistryClass *klass)
87 GObjectClass * object_class = (GObjectClass *) klass;
89 spi_registry_parent_class = g_type_class_ref (G_TYPE_OBJECT);
93 spi_registry_init (SpiRegistry *registry)
95 registry->apps = g_ptr_array_new_with_free_func ((GDestroyNotify) spi_reference_free);
98 /*---------------------------------------------------------------------------*/
101 return_v_string (DBusMessageIter * iter, const gchar * str)
103 DBusMessageIter variant;
105 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "s",
108 dbus_message_iter_append_basic (&variant, DBUS_TYPE_STRING, &str);
109 dbus_message_iter_close_container (iter, &variant);
114 append_reference (DBusMessageIter * iter, const char * name, const char * path)
116 DBusMessageIter iter_struct;
118 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
121 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &name);
122 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &path);
123 dbus_message_iter_close_container (iter, &iter_struct);
127 /*---------------------------------------------------------------------------*/
130 compare_reference (SpiReference *one, SpiReference *two)
132 if (g_strcmp0 (one->name, two->name) == 0 &&
133 g_strcmp0 (one->path, two->path) == 0)
140 find_index_of_reference (GPtrArray *arr, const gchar *name, const gchar * path, guint *index)
143 gboolean found = FALSE;
146 ref = spi_reference_new (name, path);
148 for (i = 0; i < arr->len && found == FALSE; i++)
150 if (compare_reference (ref, g_ptr_array_index (arr, i)));
156 spi_reference_free (ref);
163 add_application (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
165 g_ptr_array_add (reg->apps, spi_reference_new (name, path));
166 children_added_listener (bus, reg->apps->len - 1, name, path);
170 set_id (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
172 DBusMessage *message;
173 DBusMessageIter iter, iter_variant;
174 const char *iface_application = "org.a11y.atspi.Application";
175 const char *id = "Id";
177 message = dbus_message_new_method_call (name, path,
178 DBUS_INTERFACE_PROPERTIES, "Set");
181 dbus_message_iter_init_append (message, &iter);
182 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &iface_application);
183 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &id);
184 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "i", &iter_variant);
185 dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, ®->id);
186 /* TODO: This will cause problems if we cycle through 2^31 ids */
188 dbus_message_iter_close_container (&iter, &iter_variant);
189 dbus_connection_send (bus, message, NULL);
190 dbus_message_unref (message);
194 remove_application (SpiRegistry *reg, DBusConnection *bus, guint index)
196 SpiReference *ref = g_ptr_array_index (reg->apps, index);
198 spi_remove_device_listeners (reg->dec, ref->name);
199 children_removed_listener (bus, index, ref->name, ref->path);
200 g_ptr_array_remove_index (reg->apps, index);
204 event_is_subtype (gchar **needle, gchar **haystack)
206 while (*haystack && **haystack)
208 if (g_strcmp0 (*needle, *haystack))
217 needs_mouse_poll (char **event)
219 if (g_strcmp0 (event [0], "Mouse") != 0)
221 if (!event [1] || !event [1][0])
223 return (g_strcmp0 (event [1], "Abs") == 0);
227 remove_events (SpiRegistry *registry, const char *bus_name, const char *event)
232 gboolean mouse_found = FALSE;
235 remove_data = g_strsplit (event, ":", 3);
241 for (list = registry->events; list;)
243 event_data *evdata = list->data;
245 if (!g_strcmp0 (evdata->bus_name, bus_name) &&
246 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))
261 spi_device_event_controller_stop_poll_mouse ();
263 g_strfreev (remove_data);
265 signal = dbus_message_new_signal (SPI_DBUS_PATH_REGISTRY,
266 SPI_DBUS_INTERFACE_REGISTRY,
267 "EventListenerDeregistered");
268 dbus_message_append_args (signal, DBUS_TYPE_STRING, &bus_name,
269 DBUS_TYPE_STRING, &event, DBUS_TYPE_INVALID);
270 dbus_connection_send (registry->bus, signal, NULL);
271 dbus_message_unref (signal);
275 handle_disconnection (DBusConnection *bus, DBusMessage *message, void *user_data)
277 char *name, *old, *new;
278 SpiRegistry *reg = SPI_REGISTRY (user_data);
280 if (dbus_message_get_args (message, NULL,
281 DBUS_TYPE_STRING, &name,
282 DBUS_TYPE_STRING, &old,
283 DBUS_TYPE_STRING, &new,
286 if (*old != '\0' && *new == '\0')
288 /* Remove all children with the application name the same as the disconnected application. */
290 for (i = 0; i < reg->apps->len; i++)
292 SpiReference *ref = g_ptr_array_index (reg->apps, i);
293 if (!g_strcmp0 (old, ref->name))
295 remove_application (reg, bus, i);
300 remove_events (reg, old, "");
306 * Converts names of the form "active-descendant-changed" to
307 *" ActiveDescendantChanged"
310 ensure_proper_format (const char *name)
312 gchar *ret = (gchar *) g_malloc (strlen (name) * 2 + 2);
314 gboolean need_upper = TRUE;
322 *p++ = toupper (*name);
325 else if (*name == '-')
327 else if (*name == ':')
340 static DBusHandlerResult
341 signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
343 SpiRegistry *registry = SPI_REGISTRY (user_data);
344 guint res = DBUS_HANDLER_RESULT_HANDLED;
345 const gint type = dbus_message_get_type (message);
346 const char *iface = dbus_message_get_interface (message);
347 const char *member = dbus_message_get_member (message);
349 if (type != DBUS_MESSAGE_TYPE_SIGNAL)
350 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
352 if (!g_strcmp0(iface, DBUS_INTERFACE_DBUS) &&
353 !g_strcmp0(member, "NameOwnerChanged"))
354 handle_disconnection (bus, message, user_data);
356 res = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
361 /* org.at_spi.Socket interface */
362 /*---------------------------------------------------------------------------*/
365 impl_Embed (DBusConnection *bus, DBusMessage *message, void *user_data)
367 SpiRegistry *reg = SPI_REGISTRY (user_data);
368 DBusMessageIter iter, iter_struct;
369 gchar *app_name, *obj_path;
371 DBusMessage *reply = NULL;
372 DBusMessageIter reply_iter;
374 dbus_message_iter_init (message, &iter);
375 dbus_message_iter_recurse (&iter, &iter_struct);
376 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
378 dbus_message_iter_get_basic (&iter_struct, &app_name);
380 app_name = dbus_message_get_sender (message);
381 if (!dbus_message_iter_next (&iter_struct))
383 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
385 dbus_message_iter_get_basic (&iter_struct, &obj_path);
387 add_application(reg, bus, app_name, obj_path);
389 set_id (reg, bus, app_name, obj_path);
391 reply = dbus_message_new_method_return (message);
392 dbus_message_iter_init_append (reply, &reply_iter);
393 append_reference (&reply_iter,
394 dbus_bus_get_unique_name (bus),
399 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
403 impl_Unembed (DBusConnection *bus, DBusMessage *message, void *user_data)
405 SpiRegistry *reg = SPI_REGISTRY (user_data);
406 DBusMessageIter iter, iter_struct;
407 gchar *app_name, *obj_path;
410 dbus_message_iter_init (message, &iter);
411 dbus_message_iter_recurse (&iter, &iter_struct);
412 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
414 dbus_message_iter_get_basic (&iter_struct, &app_name);
415 if (!dbus_message_iter_next (&iter_struct))
417 if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
419 dbus_message_iter_get_basic (&iter_struct, &obj_path);
421 if (find_index_of_reference (reg->apps, app_name, obj_path, &index))
422 remove_application(reg, bus, index);
426 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
429 /* org.at_spi.Component interface */
430 /*---------------------------------------------------------------------------*/
433 impl_Contains (DBusConnection * bus, DBusMessage * message, void *user_data)
435 dbus_bool_t retval = FALSE;
438 reply = dbus_message_new_method_return (message);
439 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
445 impl_GetAccessibleAtPoint (DBusConnection * bus, DBusMessage * message,
448 DBusMessage *reply = NULL;
449 DBusMessageIter iter;
451 reply = dbus_message_new_method_return (message);
452 dbus_message_iter_init_append (reply, &iter);
453 append_reference (&iter,
454 dbus_bus_get_unique_name (bus),
461 impl_GetExtents (DBusConnection * bus, DBusMessage * message, void *user_data)
463 dbus_uint32_t coord_type;
464 dbus_int32_t x = 0, y = 0, width = 1024, height = 768;
466 DBusMessageIter iter, iter_struct;
468 reply = dbus_message_new_method_return (message);
469 dbus_message_iter_init_append (reply, &iter);
470 dbus_message_iter_open_container (&iter, DBUS_TYPE_STRUCT, NULL,
472 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &x);
473 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &y);
474 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &width);
475 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &height);
476 dbus_message_iter_close_container (&iter, &iter_struct);
481 impl_GetPosition (DBusConnection * bus, DBusMessage * message,
485 dbus_int32_t x = 0, y = 0;
487 reply = dbus_message_new_method_return (message);
488 dbus_message_append_args (reply, DBUS_TYPE_INT32, &x, DBUS_TYPE_INT32,
489 &y, DBUS_TYPE_INVALID);
494 impl_GetSize (DBusConnection * bus, DBusMessage * message, void *user_data)
496 /* TODO - Get the screen size */
498 dbus_int32_t width = 1024, height = 768;
500 reply = dbus_message_new_method_return (message);
501 dbus_message_append_args (reply, DBUS_TYPE_INT32, &width,
502 DBUS_TYPE_INT32, &height, DBUS_TYPE_INVALID);
506 #define LAYER_WIDGET 3;
509 impl_GetLayer (DBusConnection * bus, DBusMessage * message, void *user_data)
512 dbus_uint32_t rv = LAYER_WIDGET;
514 reply = dbus_message_new_method_return (message);
515 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv,
521 impl_GetMDIZOrder (DBusConnection * bus, DBusMessage * message,
527 reply = dbus_message_new_method_return (message);
528 dbus_message_append_args (reply, DBUS_TYPE_INT16, &rv,
534 impl_GrabFocus (DBusConnection * bus, DBusMessage * message, void *user_data)
537 dbus_bool_t retval = FALSE;
539 reply = dbus_message_new_method_return (message);
540 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
546 impl_GetAlpha (DBusConnection * bus, DBusMessage * message, void *user_data)
551 reply = dbus_message_new_method_return (message);
552 dbus_message_append_args (reply, DBUS_TYPE_DOUBLE, &rv,
557 /* org.at_spi.Accessible interface */
558 /*---------------------------------------------------------------------------*/
561 impl_get_Name (DBusMessageIter * iter, void *user_data)
563 const gchar *name = "main";
564 return return_v_string (iter, name);
568 impl_get_Description (DBusMessageIter * iter, void *user_data)
570 const gchar *description = "";
571 return return_v_string (iter, description);
575 impl_get_Parent (DBusMessageIter * iter, void *user_data)
577 const gchar *name = "";
578 DBusMessageIter iter_variant;
580 dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "(so)",
582 append_reference (&iter_variant,
585 dbus_message_iter_close_container (iter, &iter_variant);
590 impl_get_ChildCount (DBusMessageIter * iter, void *user_data)
592 SpiRegistry *reg = SPI_REGISTRY (user_data);
593 dbus_int32_t rv = reg->apps->len;
595 DBusMessageIter iter_variant;
597 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "i",
600 result = dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, &rv);
601 dbus_message_iter_close_container (iter, &iter_variant);
606 impl_get_ToolkitName (DBusMessageIter * iter, void *user_data)
608 return return_v_string (iter, "at-spi-registry");
611 impl_get_ToolkitVersion (DBusMessageIter * iter, void *user_data)
613 return return_v_string (iter, "2.0");
617 impl_GetChildAtIndex (DBusConnection * bus,
618 DBusMessage * message, void *user_data)
620 SpiRegistry *reg = SPI_REGISTRY (user_data);
622 DBusMessageIter iter;
627 dbus_error_init (&error);
628 if (!dbus_message_get_args
629 (message, &error, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID))
631 return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
634 reply = dbus_message_new_method_return (message);
635 dbus_message_iter_init_append (reply, &iter);
637 if (i < 0 || i >= reg->apps->len)
638 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_NULL);
641 ref = g_ptr_array_index (reg->apps, i);
642 append_reference (&iter, ref->name, ref->path);
649 impl_GetChildren (DBusConnection * bus,
650 DBusMessage * message, void *user_data)
652 DBusMessage *reply = NULL;
653 DBusMessageIter iter, iter_array;
654 SpiRegistry *reg = SPI_REGISTRY (user_data);
657 reply = dbus_message_new_method_return (message);
659 dbus_message_iter_init_append (reply, &iter);
660 dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &iter_array);
661 for (i=0; i < reg->apps->len; i++)
663 SpiReference *current = g_ptr_array_index (reg->apps, i);
664 append_reference (&iter_array, current->name, current->path);
666 dbus_message_iter_close_container(&iter, &iter_array);
671 impl_GetIndexInParent (DBusConnection * bus,
672 DBusMessage * message, void *user_data)
675 dbus_uint32_t rv = 0;
677 reply = dbus_message_new_method_return (message);
678 dbus_message_append_args (reply, DBUS_TYPE_INT32, &rv, DBUS_TYPE_INVALID);
683 impl_GetRelationSet (DBusConnection * bus,
684 DBusMessage * message, void *user_data)
687 DBusMessageIter iter, iter_array;
689 reply = dbus_message_new_method_return (message);
690 dbus_message_iter_init_append (reply, &iter);
691 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ua(so))", &iter_array);
692 dbus_message_iter_close_container (&iter, &iter_array);
698 impl_GetRole (DBusConnection * bus, DBusMessage * message, void * user_data)
701 dbus_uint32_t rv = 14; /* TODO: Get DESKTOP_FRAME from somewhere */
703 reply = dbus_message_new_method_return (message);
704 dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv, DBUS_TYPE_INVALID);
709 impl_GetRoleName (DBusConnection * bus,
710 DBusMessage * message, void *user_data)
713 const char *role_name = "desktop frame";
715 reply = dbus_message_new_method_return (message);
716 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
722 impl_GetLocalizedRoleName (DBusConnection * bus,
723 DBusMessage * message, void *user_data)
725 /* TODO - Localize this */
727 const char *role_name = "desktop frame";
729 reply = dbus_message_new_method_return (message);
730 dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
736 impl_GetState (DBusConnection * bus, DBusMessage * message, void *user_data)
738 DBusMessage *reply = NULL;
739 DBusMessageIter iter, iter_array;
741 dbus_uint32_t states[2] = {0, 0};
744 reply = dbus_message_new_method_return (message);
745 dbus_message_iter_init_append (reply, &iter);
747 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "u", &iter_array);
748 for (count = 0; count < 2; count++)
750 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_UINT32,
753 dbus_message_iter_close_container (&iter, &iter_array);
758 impl_GetAttributes (DBusConnection * bus,
759 DBusMessage * message, void *user_data)
761 DBusMessage *reply = NULL;
762 DBusMessageIter iter, array;
764 reply = dbus_message_new_method_return (message);
765 dbus_message_iter_init_append (reply, &iter);
766 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "{ss}", &array);
767 dbus_message_iter_close_container (&iter, &array);
773 impl_GetApplication (DBusConnection * bus,
774 DBusMessage * message, void *user_data)
776 DBusMessage *reply = NULL;
777 DBusMessageIter iter;
779 reply = dbus_message_new_method_return (message);
780 dbus_message_iter_init_append (reply, &iter);
781 append_reference (&iter,
782 dbus_bus_get_unique_name (bus),
789 impl_GetInterfaces (DBusConnection * bus,
790 DBusMessage * message, void *user_data)
793 DBusMessageIter iter, iter_array;
795 const char *acc = SPI_DBUS_INTERFACE_ACCESSIBLE;
796 const char *com = SPI_DBUS_INTERFACE_COMPONENT;
798 reply = dbus_message_new_method_return (message);
800 dbus_message_iter_init_append (reply, &iter);
801 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "s",
803 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &acc);
804 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &com);
805 dbus_message_iter_close_container (&iter, &iter_array);
811 impl_GetItems (DBusConnection * bus, DBusMessage * message, void *user_data)
814 DBusMessageIter iter, iter_array;
816 reply = dbus_message_new_method_return (message);
818 dbus_message_iter_init_append (reply, &iter);
819 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
820 "((so)(so)(so)a(so)assusau)", &iter_array);
821 dbus_message_iter_close_container (&iter, &iter_array);
825 /* I would rather these two be signals, but I'm not sure that dbus-python
826 * supports emitting signals except for a service, so implementing as both
827 * a method call and signal for now.
830 impl_register_event (DBusConnection *bus, DBusMessage *message, void *user_data)
832 SpiRegistry *registry = SPI_REGISTRY (user_data);
833 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);
850 evdata->bus_name = g_strdup (sender);
852 registry->events = g_list_append (registry->events, evdata);
854 if (needs_mouse_poll (evdata->data))
856 spi_device_event_controller_start_poll_mouse (registry);
859 signal = dbus_message_new_signal (SPI_DBUS_PATH_REGISTRY,
860 SPI_DBUS_INTERFACE_REGISTRY,
861 "EventListenerRegistered");
862 dbus_message_append_args (signal, DBUS_TYPE_STRING, &sender,
863 DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID);
864 dbus_connection_send (bus, signal, NULL);
865 dbus_message_unref (signal);
868 return dbus_message_new_method_return (message);
872 impl_deregister_event (DBusConnection *bus, DBusMessage *message, void *user_data)
874 SpiRegistry *registry = SPI_REGISTRY (user_data);
875 const char *orig_name;
877 const char *sender = dbus_message_get_sender (message);
879 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &orig_name,
882 name = ensure_proper_format (orig_name);
884 remove_events (registry, sender, name);
887 return dbus_message_new_method_return (message);
891 impl_get_registered_events (DBusConnection *bus, DBusMessage *message, void *user_data)
893 SpiRegistry *registry = SPI_REGISTRY (user_data);
896 DBusMessageIter iter, iter_struct, iter_array;
899 reply = dbus_message_new_method_return (message);
903 dbus_message_iter_init_append (reply, &iter);
904 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ss)", &iter_array);
905 for (list = registry->events; list; list = list->next)
909 str = g_strconcat (evdata->data [0],
910 ":", (evdata->data [1]? evdata->data [1]: ""),
911 ":", (evdata->data [1] && evdata->data [2]? evdata->data [2]: ""), NULL);
912 dbus_message_iter_open_container (&iter_array, DBUS_TYPE_STRUCT, NULL, &iter_struct);
913 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &evdata->bus_name);
914 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &str);
915 dbus_message_iter_close_container (&iter_array, &iter_struct);
918 dbus_message_iter_close_container (&iter, &iter_array);
922 /*---------------------------------------------------------------------------*/
925 emit_Available (DBusConnection * bus)
928 DBusMessageIter iter;
930 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, SPI_DBUS_INTERFACE_SOCKET, "Available");
932 dbus_message_iter_init_append(sig, &iter);
933 append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_ROOT);
935 dbus_connection_send(bus, sig, NULL);
936 dbus_message_unref(sig);
939 /*---------------------------------------------------------------------------*/
941 static const char *introspection_header =
942 "<?xml version=\"1.0\"?>\n";
944 static const char *introspection_node_element =
945 "<node name=\"%s\">\n";
947 static const char *introspection_footer =
951 impl_Introspect_root (DBusConnection * bus,
952 DBusMessage * message, void *user_data)
958 const gchar *pathstr = SPI_DBUS_PATH_ROOT;
962 output = g_string_new(introspection_header);
964 g_string_append_printf(output, introspection_node_element, pathstr);
966 g_string_append (output, spi_org_a11y_atspi_Accessible);
967 g_string_append (output, spi_org_a11y_atspi_Component);
969 g_string_append(output, introspection_footer);
970 final = g_string_free(output, FALSE);
972 reply = dbus_message_new_method_return (message);
973 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
980 impl_Introspect_registry (DBusConnection * bus,
981 DBusMessage * message, void *user_data)
987 const gchar *pathstr = SPI_DBUS_PATH_REGISTRY;
991 output = g_string_new(introspection_header);
993 g_string_append_printf(output, introspection_node_element, pathstr);
995 g_string_append (output, spi_org_a11y_atspi_Registry);
997 g_string_append(output, introspection_footer);
998 final = g_string_free(output, FALSE);
1000 reply = dbus_message_new_method_return (message);
1001 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
1007 /*---------------------------------------------------------------------------*/
1010 * Emits an AT-SPI event.
1011 * AT-SPI events names are split into three parts:
1013 * This is mapped onto D-Bus events as:
1014 * D-Bus Interface:Signal Name:Detail argument
1016 * Marshals a basic type into the 'any_data' attribute of
1020 emit_event (DBusConnection *bus,
1024 dbus_int32_t detail1,
1025 dbus_int32_t detail2,
1030 DBusMessageIter iter, iter_variant;
1032 sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, klass, major);
1034 dbus_message_iter_init_append(sig, &iter);
1036 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &minor);
1037 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
1038 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
1040 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(so)",
1042 append_reference (&iter_variant, name, path);
1043 dbus_message_iter_close_container (&iter, &iter_variant);
1045 append_reference (&iter,
1046 dbus_bus_get_unique_name (bus),
1047 SPI_DBUS_PATH_ROOT);
1049 dbus_connection_send(bus, sig, NULL);
1050 dbus_message_unref(sig);
1053 /*---------------------------------------------------------------------------*/
1056 * Children changed signal converter and forwarder.
1058 * Klass (Interface) org.a11y.atspi.Event.Object
1059 * Major is the signal name.
1060 * Minor is 'add' or 'remove'
1061 * detail1 is the index.
1063 * any_data is the child reference.
1067 children_added_listener (DBusConnection * bus,
1072 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "add", index, 0,
1077 children_removed_listener (DBusConnection * bus,
1082 emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "remove", index, 0,
1086 /*---------------------------------------------------------------------------*/
1088 static DBusHandlerResult
1089 handle_method_root (DBusConnection *bus, DBusMessage *message, void *user_data)
1091 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1093 const gchar *iface = dbus_message_get_interface (message);
1094 const gchar *member = dbus_message_get_member (message);
1095 const gint type = dbus_message_get_type (message);
1097 DBusMessage *reply = NULL;
1099 /* Check for basic reasons not to handle */
1100 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1103 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1105 if (!strcmp (iface, "org.freedesktop.DBus.Properties"))
1107 if (!strcmp (member, "Get"))
1109 const gchar *prop_iface;
1110 const gchar *prop_member;
1113 dbus_error_init (&error);
1114 if (dbus_message_get_args (message,
1122 DBusMessageIter iter;
1124 reply = dbus_message_new_method_return (message);
1125 dbus_message_iter_init_append (reply, &iter);
1128 if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1130 if (!strcmp (prop_member, "Name"))
1131 impl_get_Name (&iter, user_data);
1132 else if (!strcmp (prop_member, "Description"))
1133 impl_get_Description (&iter, user_data);
1134 else if (!strcmp (prop_member, "Parent"))
1135 impl_get_Parent (&iter, user_data);
1136 else if (!strcmp (prop_member, "ChildCount"))
1137 impl_get_ChildCount (&iter, user_data);
1140 dbus_message_unref (reply);
1141 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1144 else if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_APPLICATION))
1146 if (!strcmp (prop_member, "ToolkitName"))
1147 impl_get_ToolkitName (&iter, user_data);
1148 else if (!strcmp (prop_member, "ToolkitVersion"))
1149 impl_get_ToolkitVersion (&iter, user_data);
1152 dbus_message_unref (reply);
1153 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1158 dbus_message_unref (reply);
1159 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
1164 reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, error.message);
1166 result = DBUS_HANDLER_RESULT_HANDLED;
1168 else if (!strcmp (member, "GetAll"))
1170 result = DBUS_HANDLER_RESULT_HANDLED;
1174 if (!strcmp (iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
1176 result = DBUS_HANDLER_RESULT_HANDLED;
1177 if (!strcmp (member, "GetChildAtIndex"))
1178 reply = impl_GetChildAtIndex (bus, message, user_data);
1179 else if (!strcmp (member, "GetChildren"))
1180 reply = impl_GetChildren (bus, message, user_data);
1181 else if (!strcmp (member, "GetIndexInParent"))
1182 reply = impl_GetIndexInParent (bus, message, user_data);
1183 else if (!strcmp (member, "GetRelationSet"))
1184 reply = impl_GetRelationSet (bus, message, user_data);
1185 else if (!strcmp (member, "GetRole"))
1186 reply = impl_GetRole (bus, message, user_data);
1187 else if (!strcmp (member, "GetRoleName"))
1188 reply = impl_GetRoleName (bus, message, user_data);
1189 else if (!strcmp (member, "GetLocalizedRoleName"))
1190 reply = impl_GetLocalizedRoleName (bus, message, user_data);
1191 else if (!strcmp (member, "GetState"))
1192 reply = impl_GetState (bus, message, user_data);
1193 else if (!strcmp (member, "GetAttributes"))
1194 reply = impl_GetAttributes (bus, message, user_data);
1195 else if (!strcmp (member, "GetApplication"))
1196 reply = impl_GetApplication (bus, message, user_data);
1197 else if (!strcmp (member, "GetInterfaces"))
1198 reply = impl_GetInterfaces (bus, message, user_data);
1200 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1203 if (!strcmp (iface, SPI_DBUS_INTERFACE_COMPONENT))
1205 result = DBUS_HANDLER_RESULT_HANDLED;
1206 if (!strcmp (member, "Contains"))
1207 reply = impl_Contains (bus, message, user_data);
1208 else if (!strcmp (member, "GetAccessibleAtPoint"))
1209 reply = impl_GetAccessibleAtPoint (bus, message, user_data);
1210 else if (!strcmp (member, "GetExtents"))
1211 reply = impl_GetExtents (bus, message, user_data);
1212 else if (!strcmp (member, "GetPosition"))
1213 reply = impl_GetPosition (bus, message, user_data);
1214 else if (!strcmp (member, "GetSize"))
1215 reply = impl_GetSize (bus, message, user_data);
1216 else if (!strcmp (member, "GetLayer"))
1217 reply = impl_GetLayer (bus, message, user_data);
1218 else if (!strcmp (member, "GetMDIZOrder"))
1219 reply = impl_GetMDIZOrder (bus, message, user_data);
1220 else if (!strcmp (member, "GrabFocus"))
1221 reply = impl_GrabFocus (bus, message, user_data);
1222 else if (!strcmp (member, "GetAlpha"))
1223 reply = impl_GetAlpha (bus, message, user_data);
1225 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1228 if (!strcmp (iface, SPI_DBUS_INTERFACE_SOCKET))
1230 result = DBUS_HANDLER_RESULT_HANDLED;
1231 if (!strcmp (member, "Embed"))
1232 reply = impl_Embed (bus, message, user_data);
1233 else if (!strcmp (member, "Unembed"))
1234 reply = impl_Unembed (bus, message, user_data);
1236 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1239 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1241 result = DBUS_HANDLER_RESULT_HANDLED;
1242 if (!strcmp (member, "Introspect"))
1243 reply = impl_Introspect_root (bus, message, user_data);
1245 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1248 if (result == DBUS_HANDLER_RESULT_HANDLED)
1252 reply = dbus_message_new_method_return (message);
1255 dbus_connection_send (bus, reply, NULL);
1256 dbus_message_unref (reply);
1261 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1268 static DBusHandlerResult
1269 handle_method_cache (DBusConnection *bus, DBusMessage *message, void *user_data)
1271 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1273 const gchar *iface = dbus_message_get_interface (message);
1274 const gchar *member = dbus_message_get_member (message);
1275 const gint type = dbus_message_get_type (message);
1277 DBusMessage *reply = NULL;
1279 /* Check for basic reasons not to handle */
1280 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1283 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1285 if (!strcmp (iface, SPI_DBUS_INTERFACE_CACHE))
1287 result = DBUS_HANDLER_RESULT_HANDLED;
1288 if (!strcmp (member, "GetItems"))
1289 reply = impl_GetItems (bus, message, user_data);
1291 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1294 if (result == DBUS_HANDLER_RESULT_HANDLED)
1298 reply = dbus_message_new_method_return (message);
1301 dbus_connection_send (bus, reply, NULL);
1302 dbus_message_unref (reply);
1307 static DBusHandlerResult
1308 handle_method_registry (DBusConnection *bus, DBusMessage *message, void *user_data)
1310 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1312 const gchar *iface = dbus_message_get_interface (message);
1313 const gchar *member = dbus_message_get_member (message);
1314 const gint type = dbus_message_get_type (message);
1316 DBusMessage *reply = NULL;
1318 /* Check for basic reasons not to handle */
1319 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1322 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1324 if (!strcmp (iface, SPI_DBUS_INTERFACE_REGISTRY))
1326 result = DBUS_HANDLER_RESULT_HANDLED;
1327 if (!strcmp(member, "RegisterEvent"))
1328 reply = impl_register_event (bus, message, user_data);
1329 else if (!strcmp(member, "DeregisterEvent"))
1330 reply = impl_deregister_event (bus, message, user_data);
1331 else if (!strcmp(member, "GetRegisteredEvents"))
1332 reply = impl_get_registered_events (bus, message, user_data);
1334 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1337 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1339 result = DBUS_HANDLER_RESULT_HANDLED;
1340 if (!strcmp (member, "Introspect"))
1341 reply = impl_Introspect_registry (bus, message, user_data);
1343 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1346 if (result == DBUS_HANDLER_RESULT_HANDLED)
1350 reply = dbus_message_new_method_return (message);
1353 dbus_connection_send (bus, reply, NULL);
1354 dbus_message_unref (reply);
1359 g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
1366 /*---------------------------------------------------------------------------*/
1368 static DBusObjectPathVTable root_vtable =
1371 &handle_method_root,
1372 NULL, NULL, NULL, NULL
1375 static DBusObjectPathVTable registry_vtable =
1378 &handle_method_registry,
1379 NULL, NULL, NULL, NULL
1382 static DBusObjectPathVTable cache_vtable =
1385 &handle_method_cache,
1386 NULL, NULL, NULL, NULL
1389 static gchar *app_sig_match_name_owner =
1390 "type='signal', interface='org.freedesktop.DBus', member='NameOwnerChanged'";
1393 spi_registry_new (DBusConnection *bus)
1395 SpiRegistry *reg = g_object_new (SPI_REGISTRY_TYPE, NULL);
1399 dbus_bus_add_match (bus, app_sig_match_name_owner, NULL);
1400 dbus_connection_add_filter (bus, signal_filter, reg, NULL);
1402 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_ROOT, &root_vtable, reg);
1404 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_CACHE, &cache_vtable, reg);
1406 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_REGISTRY, ®istry_vtable, reg);
1408 emit_Available (bus);
1415 /*END------------------------------------------------------------------------*/