2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2002 Sun Microsystems Inc.,
6 * Copyright 2001, 2002 Ximian, Inc.
7 * Copyright 2010, 2011 Novell, 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.
25 #include "atspi-private.h"
28 static gboolean enable_caching = FALSE;
31 atspi_action_interface_init (AtspiAction *action)
36 atspi_collection_interface_init (AtspiCollection *component)
41 atspi_component_interface_init (AtspiComponent *component)
46 atspi_document_interface_init (AtspiDocument *document)
51 atspi_editable_text_interface_init (AtspiEditableText *editable_text)
56 atspi_hypertext_interface_init (AtspiHypertext *hypertext)
61 atspi_image_interface_init (AtspiImage *image)
66 atspi_selection_interface_init (AtspiSelection *selection)
71 atspi_table_interface_init (AtspiTable *table)
76 atspi_text_interface_init (AtspiText *text)
81 atspi_value_interface_init (AtspiValue *value)
85 G_DEFINE_TYPE_WITH_CODE (AtspiAccessible, atspi_accessible, ATSPI_TYPE_OBJECT,
86 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_ACTION, atspi_action_interface_init)
87 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_COLLECTION, atspi_collection_interface_init)
88 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_COMPONENT, atspi_component_interface_init)
89 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_DOCUMENT, atspi_document_interface_init)
90 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_EDITABLE_TEXT, atspi_editable_text_interface_init)
91 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_HYPERTEXT, atspi_hypertext_interface_init)
92 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_IMAGE, atspi_image_interface_init)
93 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_SELECTION, atspi_selection_interface_init)
94 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_TABLE, atspi_table_interface_init)
95 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_TEXT, atspi_text_interface_init)
96 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_VALUE, atspi_value_interface_init))
98 #ifdef DEBUG_REF_COUNTS
99 static gint accessible_count = 0;
103 atspi_accessible_init (AtspiAccessible *accessible)
105 #ifdef DEBUG_REF_COUNTS
107 printf("at-spi: init: %d objects\n", accessible_count);
112 atspi_accessible_dispose (GObject *object)
114 AtspiAccessible *accessible = ATSPI_ACCESSIBLE (object);
116 AtspiAccessible *parent;
118 /* TODO: Only fire if object not already marked defunct */
119 memset (&e, 0, sizeof (e));
120 e.type = "object:state-changed:defunct";
121 e.source = accessible;
124 _atspi_send_event (&e);
126 if (accessible->states)
128 g_object_unref (accessible->states);
129 accessible->states = NULL;
132 parent = accessible->accessible_parent;
133 if (parent && parent->children)
135 GList*ls = g_list_find (parent->children, accessible);
138 gboolean replace = (ls == parent->children);
139 ls = g_list_remove (ls, accessible);
141 parent->children = ls;
142 g_object_unref (object);
148 g_object_unref (parent);
149 accessible->accessible_parent = NULL;
152 G_OBJECT_CLASS (atspi_accessible_parent_class) ->dispose (object);
156 atspi_accessible_finalize (GObject *object)
158 AtspiAccessible *accessible = ATSPI_ACCESSIBLE (object);
160 g_free (accessible->description);
161 g_free (accessible->name);
162 if (accessible->attributes)
163 g_hash_table_unref (accessible->attributes);
165 #ifdef DEBUG_REF_COUNTS
167 g_print ("at-spi: finalize: %d objects\n", accessible_count);
170 G_OBJECT_CLASS (atspi_accessible_parent_class)
175 atspi_accessible_class_init (AtspiAccessibleClass *klass)
177 GObjectClass *object_class = G_OBJECT_CLASS (klass);
179 object_class->dispose = atspi_accessible_dispose;
180 object_class->finalize = atspi_accessible_finalize;
183 /* TODO: Generate following from spec? */
184 static const char *role_names [] =
243 "table column header",
245 "tear off menu item",
264 "embedded component",
275 "input method window",
278 "document spreadsheet",
279 "document presentation",
291 #define MAX_ROLES (sizeof (role_names) / sizeof (char *))
294 * atspi_role_get_name:
295 * @role: an #AtspiRole object to query.
297 * Gets a localizable string that indicates the name of an #AtspiRole.
298 * <em>DEPRECATED.</em>
300 * Returns: a localizable string name for an #AtspiRole enumerated type.
303 atspi_role_get_name (AtspiRole role)
305 if (role < MAX_ROLES && role_names [(int) role])
307 return g_strdup (role_names [(int) role]);
311 return g_strdup ("");
316 * atspi_accessible_get_name:
317 * @obj: a pointer to the #AtspiAccessible object on which to operate.
319 * Gets the name of an #AtspiAccessible object.
321 * Returns: a UTF-8 string indicating the name of the #AtspiAccessible object
322 * or NULL on exception.
325 atspi_accessible_get_name (AtspiAccessible *obj, GError **error)
327 g_return_val_if_fail (obj != NULL, g_strdup (""));
328 if (!_atspi_accessible_test_cache (obj, ATSPI_CACHE_NAME))
330 if (!_atspi_dbus_get_property (obj, atspi_interface_accessible, "Name", error,
332 return g_strdup ("");
333 _atspi_accessible_add_cache (obj, ATSPI_CACHE_NAME);
335 return g_strdup (obj->name);
339 * atspi_accessible_get_description:
340 * @obj: a pointer to the #AtspiAccessible object on which to operate.
342 * Gets the description of an #AtspiAccessible object.
344 * Returns: a UTF-8 string describing the #AtspiAccessible object
345 * or NULL on exception.
348 atspi_accessible_get_description (AtspiAccessible *obj, GError **error)
350 g_return_val_if_fail (obj != NULL, g_strdup (""));
352 if (!_atspi_accessible_test_cache (obj, ATSPI_CACHE_DESCRIPTION))
354 if (!_atspi_dbus_get_property (obj, atspi_interface_accessible,
355 "Description", error, "s",
357 return g_strdup ("");
358 _atspi_accessible_add_cache (obj, ATSPI_CACHE_DESCRIPTION);
360 return g_strdup (obj->description);
363 const char *str_parent = "Parent";
366 * atspi_accessible_get_parent:
367 * @obj: a pointer to the #AtspiAccessible object to query.
369 * Gets an #AtspiAccessible object's parent container.
371 * Returns: (transfer full): a pointer to the #AtspiAccessible object which
372 * contains the given #AtspiAccessible instance, or NULL if the @obj
373 * has no parent container.
377 atspi_accessible_get_parent (AtspiAccessible *obj, GError **error)
379 g_return_val_if_fail (obj != NULL, NULL);
381 if (obj->parent.app &&
382 !_atspi_accessible_test_cache (obj, ATSPI_CACHE_PARENT))
384 DBusMessage *message, *reply;
385 DBusMessageIter iter, iter_variant;
386 message = dbus_message_new_method_call (obj->parent.app->bus_name,
388 DBUS_INTERFACE_PROPERTIES, "Get");
391 dbus_message_append_args (message, DBUS_TYPE_STRING, &atspi_interface_accessible,
392 DBUS_TYPE_STRING, &str_parent,
394 reply = _atspi_dbus_send_with_reply_and_block (message, error);
397 if (strcmp (dbus_message_get_signature (reply), "v") != 0)
399 dbus_message_unref (reply);
402 dbus_message_iter_init (reply, &iter);
403 dbus_message_iter_recurse (&iter, &iter_variant);
404 obj->accessible_parent = _atspi_dbus_return_accessible_from_iter (&iter_variant);
405 dbus_message_unref (reply);
406 _atspi_accessible_add_cache (obj, ATSPI_CACHE_PARENT);
408 if (!obj->accessible_parent)
410 return g_object_ref (obj->accessible_parent);
414 * atspi_accessible_get_child_count:
415 * @obj: a pointer to the #AtspiAccessible object on which to operate.
417 * Gets the number of children contained by an #AtspiAccessible object.
419 * Returns: a #long indicating the number of #AtspiAccessible children
420 * contained by an #AtspiAccessible object or -1 on exception.
424 atspi_accessible_get_child_count (AtspiAccessible *obj, GError **error)
426 g_return_val_if_fail (obj != NULL, -1);
428 if (!_atspi_accessible_test_cache (obj, ATSPI_CACHE_CHILDREN))
431 if (!_atspi_dbus_get_property (obj, atspi_interface_accessible,
432 "ChildCount", error, "i", &ret))
437 return g_list_length (obj->children);
441 * atspi_accessible_get_child_at_index:
442 * @obj: a pointer to the #AtspiAccessible object on which to operate.
443 * @child_index: a #long indicating which child is specified.
445 * Gets the #AtspiAccessible child of an #AtspiAccessible object at a given index.
447 * Returns: (transfer full): a pointer to the #AtspiAccessible child object at
448 * index @child_index or NULL on exception.
451 atspi_accessible_get_child_at_index (AtspiAccessible *obj,
455 AtspiAccessible *child;
457 g_return_val_if_fail (obj != NULL, NULL);
459 if (!_atspi_accessible_test_cache (obj, ATSPI_CACHE_CHILDREN))
462 reply = _atspi_dbus_call_partial (obj, atspi_interface_accessible,
463 "GetChildAtIndex", error, "i",
465 return _atspi_dbus_return_accessible_from_message (reply);
468 child = g_list_nth_data (obj->children, child_index);
471 return g_object_ref (child);
475 * atspi_accessible_get_index_in_parent:
476 * @obj: a pointer to the #AtspiAccessible object on which to operate.
478 * Gets the index of an #AtspiAccessible object within its parent's
479 * #AtspiAccessible children list.
481 * Returns: a #glong indicating the index of the #AtspiAccessible object
483 * or -1 if @obj has no containing parent or on exception.
486 atspi_accessible_get_index_in_parent (AtspiAccessible *obj, GError **error)
491 g_return_val_if_fail (obj != NULL, -1);
492 if (_atspi_accessible_test_cache (obj, ATSPI_CACHE_PARENT) &&
493 !obj->accessible_parent)
495 if (!obj->accessible_parent ||
496 !_atspi_accessible_test_cache (obj->accessible_parent,
497 ATSPI_CACHE_CHILDREN))
499 dbus_int32_t ret = -1;
500 _atspi_dbus_call (obj, atspi_interface_accessible,
501 "GetIndexInParent", NULL, "=>i", &ret);
505 l = obj->accessible_parent->children;
508 if (l->data == obj) return i;
519 } Accessibility_Relation;
522 * atspi_accessible_get_relation_set:
523 * @obj: a pointer to the #AtspiAccessible object on which to operate.
525 * Gets the set of #AtspiRelation objects which describes this #AtspiAccessible object's
526 * relationships with other #AtspiAccessible objects.
528 * Returns: (element-type AtspiAccessible*) (transfer full): a #GArray of
529 * #AtspiRelation pointers or NULL on exception.
532 atspi_accessible_get_relation_set (AtspiAccessible *obj, GError **error)
535 DBusMessageIter iter, iter_array;
538 g_return_val_if_fail (obj != NULL, NULL);
540 reply = _atspi_dbus_call_partial (obj, atspi_interface_accessible, "GetRelationSet", error, "");
543 _ATSPI_DBUS_CHECK_SIG (reply, "a(ua(so))", error, NULL);
545 ret = g_array_new (TRUE, TRUE, sizeof (AtspiRelation *));
546 dbus_message_iter_init (reply, &iter);
547 dbus_message_iter_recurse (&iter, &iter_array);
548 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
550 AtspiRelation *relation;
551 relation = _atspi_relation_new_from_iter (&iter_array);
552 ret = g_array_append_val (ret, relation);
553 dbus_message_iter_next (&iter_array);
555 dbus_message_unref (reply);
560 * atspi_accessible_get_role:
561 * @obj: a pointer to the #AtspiAccessible object on which to operate.
563 * Gets the UI role played by an #AtspiAccessible object.
564 * This role's name can be obtained via atspi_accessible_get_role_name ().
566 * Returns: the #AtspiRole of an #AtspiAccessible object.
570 atspi_accessible_get_role (AtspiAccessible *obj, GError **error)
572 g_return_val_if_fail (obj != NULL, ATSPI_ROLE_INVALID);
574 if (!_atspi_accessible_test_cache (obj, ATSPI_CACHE_ROLE))
577 /* TODO: Make this a property */
578 if (_atspi_dbus_call (obj, atspi_interface_accessible, "GetRole", error, "=>u", &role))
581 _atspi_accessible_add_cache (obj, ATSPI_CACHE_ROLE);
588 * atspi_accessible_get_role_name:
589 * @obj: a pointer to the #AtspiAccessible object on which to operate.
591 * Gets a UTF-8 string corresponding to the name of the role played by an object.
592 * This method will return useful values for roles that fall outside the
593 * enumeration used in atspi_accessible_get_role ().
595 * Returns: a UTF-8 string specifying the type of UI role played by an
596 * #AtspiAccessible object.
600 atspi_accessible_get_role_name (AtspiAccessible *obj, GError **error)
605 g_return_val_if_fail (obj != NULL, NULL);
607 role = atspi_accessible_get_role (obj, error);
608 if (role >= 0 && role < MAX_ROLES && role != ATSPI_ROLE_EXTENDED)
609 return g_strdup (role_names [role]);
611 _atspi_dbus_call (obj, atspi_interface_accessible, "GetRoleName", error, "=>s", &retval);
614 retval = g_strdup ("");
620 * atspi_accessible_get_localized_role_name:
621 * @obj: a pointer to the #AtspiAccessible object on which to operate.
623 * Gets a UTF-8 string corresponding to the name of the role played by an
624 * object, translated to the current locale.
625 * This method will return useful values for roles that fall outside the
626 * enumeration used in atspi_accessible_getRole ().
628 * Returns: a localized, UTF-8 string specifying the type of UI role played
629 * by an #AtspiAccessible object.
633 atspi_accessible_get_localized_role_name (AtspiAccessible *obj, GError **error)
637 g_return_val_if_fail (obj != NULL, NULL);
639 _atspi_dbus_call (obj, atspi_interface_accessible, "GetLocalizedRoleName", error, "=>s", &retval);
642 return g_strdup ("");
647 static AtspiStateSet *
650 AtspiStateSet *set = atspi_state_set_new (NULL);
651 atspi_state_set_add (set, ATSPI_STATE_DEFUNCT);
656 * atspi_accessible_get_state_set:
657 * @obj: a pointer to the #AtspiAccessible object on which to operate.
659 * Gets the states currently held by an object.
661 * Returns: (transfer full): a pointer to an #AtspiStateSet representing an
662 * object's current state set.
665 atspi_accessible_get_state_set (AtspiAccessible *obj)
667 /* TODO: Should take a GError **, but would be an API break */
668 if (!obj->parent.app || !obj->parent.app->bus)
669 return defunct_set ();
671 if (!_atspi_accessible_test_cache (obj, ATSPI_CACHE_STATES))
674 DBusMessageIter iter;
675 reply = _atspi_dbus_call_partial (obj, atspi_interface_accessible,
676 "GetState", NULL, "");
677 _ATSPI_DBUS_CHECK_SIG (reply, "au", NULL, defunct_set ());
678 dbus_message_iter_init (reply, &iter);
679 _atspi_dbus_set_state (obj, &iter);
680 dbus_message_unref (reply);
681 _atspi_accessible_add_cache (obj, ATSPI_CACHE_STATES);
684 return g_object_ref (obj->states);
688 * atspi_accessible_get_attributes:
689 * @obj: The #AtspiAccessible being queried.
691 * Gets the #AttributeSet representing any assigned
692 * name-value pair attributes or annotations for this object.
693 * For typographic, textual, or textually-semantic attributes, see
694 * atspi_text_get_attributes instead.
696 * Returns: (element-type gchar* gchar*) (transfer full): The name-value-pair
697 * attributes assigned to this object.
700 atspi_accessible_get_attributes (AtspiAccessible *obj, GError **error)
702 DBusMessage *message;
704 g_return_val_if_fail (obj != NULL, NULL);
706 if (!_atspi_accessible_test_cache (obj, ATSPI_CACHE_ATTRIBUTES))
708 message = _atspi_dbus_call_partial (obj, atspi_interface_accessible,
709 "GetAttributes", error, "");
710 obj->attributes = _atspi_dbus_return_hash_from_message (message);
711 _atspi_accessible_add_cache (obj, ATSPI_CACHE_ATTRIBUTES);
714 if (!obj->attributes)
716 return g_hash_table_ref (obj->attributes);
720 add_to_attribute_array (gpointer key, gpointer value, gpointer data)
722 GArray **array = (GArray **)data;
723 gchar *str = g_strconcat (key, ":", value, NULL);
724 *array = g_array_append_val (*array, str);
728 * atspi_accessible_get_attributes_as_array:
729 * @obj: The #AtspiAccessible being queried.
731 * Gets a #GArray representing any assigned
732 * name-value pair attributes or annotations for this object.
733 * For typographic, textual, or textually-semantic attributes, see
734 * atspi_text_get_attributes_as_array instead.
736 * Returns: (element-type gchar*) (transfer full): The name-value-pair
737 * attributes assigned to this object.
740 atspi_accessible_get_attributes_as_array (AtspiAccessible *obj, GError **error)
742 DBusMessage *message;
744 g_return_val_if_fail (obj != NULL, NULL);
746 if (_atspi_accessible_get_cache_mask (obj) & ATSPI_CACHE_ATTRIBUTES)
748 GArray *array = g_array_new (TRUE, TRUE, sizeof (gchar *));
749 GHashTable *attributes = atspi_accessible_get_attributes (obj, error);
752 g_hash_table_foreach (attributes, add_to_attribute_array, &array);
753 g_hash_table_unref (attributes);
757 message = _atspi_dbus_call_partial (obj, atspi_interface_accessible, "GetAttributes", error, "");
758 return _atspi_dbus_return_attribute_array_from_message (message);
762 * atspi_accessible_get_application:
763 * @obj: The #AtspiAccessible being queried.
765 * Gets the containing #AtspiApplication for an object.
767 * Returns: (transfer full): the containing #AtspiApplication instance for
771 atspi_accessible_get_application (AtspiAccessible *obj, GError **error)
773 AtspiAccessible *parent;
778 parent = atspi_accessible_get_parent (obj, NULL);
779 if (!parent && obj->parent.app &&
780 atspi_accessible_get_role (obj, NULL) != ATSPI_ROLE_APPLICATION)
782 AtspiAccessible *root = g_object_ref (obj->parent.app->root);
785 g_object_unref (obj);
786 if (atspi_accessible_get_role (root, NULL) == ATSPI_ROLE_DESKTOP_FRAME)
788 g_object_unref (root);
794 if (!parent || parent == obj ||
795 atspi_accessible_get_role (parent, NULL) == ATSPI_ROLE_DESKTOP_FRAME)
797 g_object_unref (obj);
802 /* Application-specific methods */
805 * atspi_accessible_get_toolkit_name:
806 * @obj: a pointer to the #AtspiAccessible object on which to operate.
808 * Gets the toolkit name for an #AtspiAccessible object.
809 * Only works on application root objects.
811 * Returns: a UTF-8 string indicating the toolkit name for the #AtspiAccessible object or NULL on exception.
814 atspi_accessible_get_toolkit_name (AtspiAccessible *obj, GError **error)
816 g_return_val_if_fail (obj != NULL, NULL);
818 if (!obj->parent.app)
821 if (!obj->parent.app->toolkit_name)
822 _atspi_dbus_get_property (obj, atspi_interface_application, "ToolkitName",
823 error, "s", &obj->parent.app->toolkit_name);
825 return g_strdup (obj->parent.app->toolkit_name);
829 * atspi_accessible_get_toolkit_version:
830 * @obj: a pointer to the #AtspiAccessible object on which to operate.
832 * Gets the toolkit version for an #AtspiAccessible object.
833 * Only works on application root objects.
835 * Returns: a UTF-8 string indicating the toolkit version for the #AtspiAccessible object or NULL on exception.
838 atspi_accessible_get_toolkit_version (AtspiAccessible *obj, GError **error)
840 g_return_val_if_fail (obj != NULL, NULL);
842 if (!obj->parent.app)
845 if (!obj->parent.app->toolkit_version)
846 _atspi_dbus_get_property (obj, atspi_interface_application, "Version",
847 error, "s", &obj->parent.app->toolkit_version);
849 return g_strdup (obj->parent.app->toolkit_version);
853 * atspi_accessible_get_atspi_version:
854 * @obj: a pointer to the #AtspiAccessible object on which to operate.
856 * Gets the AT-SPI IPC specification version supported by the application
857 * pointed to by the #AtspiAccessible object.
858 * Only works on application root objects.
860 * Returns: a UTF-8 string indicating the AT-SPI version for the #AtspiAccessible object or NULL on exception.
863 atspi_accessible_get_atspi_version (AtspiAccessible *obj, GError **error)
865 g_return_val_if_fail (obj != NULL, NULL);
867 if (!obj->parent.app)
870 if (!obj->parent.app->atspi_version)
871 _atspi_dbus_get_property (obj, atspi_interface_application, "AtspiVersion",
872 error, "s", &obj->parent.app->atspi_version);
874 return g_strdup (obj->parent.app->atspi_version);
878 * atspi_accessible_get_id:
879 * @obj: a pointer to the #AtspiAccessible object on which to operate.
881 * Gets the application id for a #AtspiAccessible object.
882 * Only works on application root objects.
884 * Returns: a positive #gint indicating the id for the #AtspiAccessible object
885 * or -1 on exception.
888 atspi_accessible_get_id (AtspiAccessible *obj, GError **error)
892 g_return_val_if_fail (obj != NULL, -1);
894 if (!_atspi_dbus_get_property (obj, atspi_interface_application, "Id", error, "i", &ret))
900 /* Interface query methods */
903 _atspi_accessible_is_a (AtspiAccessible *accessible,
904 const char *interface_name)
908 if (accessible == NULL)
913 if (!_atspi_accessible_test_cache (accessible, ATSPI_CACHE_INTERFACES))
916 DBusMessageIter iter;
917 reply = _atspi_dbus_call_partial (accessible, atspi_interface_accessible,
918 "GetInterfaces", NULL, "");
919 _ATSPI_DBUS_CHECK_SIG (reply, "as", NULL, FALSE);
920 dbus_message_iter_init (reply, &iter);
921 _atspi_dbus_set_interfaces (accessible, &iter);
922 dbus_message_unref (reply);
923 _atspi_accessible_add_cache (accessible, ATSPI_CACHE_INTERFACES);
926 n = _atspi_get_iface_num (interface_name);
927 if (n == -1) return FALSE;
928 return (gboolean) ((accessible->interfaces & (1 << n))? TRUE: FALSE);
932 * atspi_accessible_is_action:
933 * @obj: a pointer to the #AtspiAccessible instance to query.
935 * Query whether the specified #AtspiAccessible implements the
936 * #AtspiAction interface.
938 * Returns: #TRUE if @obj implements the #AtspiAction interface,
942 atspi_accessible_is_action (AtspiAccessible *obj)
944 return _atspi_accessible_is_a (obj,
945 atspi_interface_action);
949 * atspi_accessible_is_application:
950 * @obj: a pointer to the #AtspiAccessible instance to query.
952 * Query whether the specified #AtspiAccessible implements the
953 * #AtspiApplication interface.
955 * Returns: #TRUE if @obj implements the #AtspiApplication interface,
959 atspi_accessible_is_application (AtspiAccessible *obj)
961 return _atspi_accessible_is_a (obj,
962 atspi_interface_application);
966 * atspi_accessible_is_collection:
967 * @obj: a pointer to the #AtspiAccessible instance to query.
969 * Query whether the specified #AtspiAccessible implements the
970 * #AtspiCollection interface.
972 * Returns: #TRUE if @obj implements the #AtspiCollection interface,
976 atspi_accessible_is_collection (AtspiAccessible *obj)
978 return _atspi_accessible_is_a (obj,
979 atspi_interface_collection);
983 * atspi_accessible_is_component:
984 * @obj: a pointer to the #AtspiAccessible instance to query.
986 * Query whether the specified #AtspiAccessible implements #AtspiComponent.
988 * Returns: #TRUE if @obj implements the #AtspiComponent interface,
992 atspi_accessible_is_component (AtspiAccessible *obj)
994 return _atspi_accessible_is_a (obj,
995 atspi_interface_component);
999 * atspi_accessible_is_document:
1000 * @obj: a pointer to the #AtspiAccessible instance to query.
1002 * Query whether the specified #AtspiAccessible implements the
1003 * #AtspiDocument interface.
1005 * Returns: #TRUE if @obj implements the #AtspiDocument interface,
1009 atspi_accessible_is_document (AtspiAccessible *obj)
1011 return _atspi_accessible_is_a (obj,
1012 atspi_interface_document);
1016 * atspi_accessible_is_editable_text:
1017 * @obj: a pointer to the #AtspiAccessible instance to query.
1019 * Query whether the specified #AtspiAccessible implements the
1020 * #AtspiEditableText interface.
1022 * Returns: #TRUE if @obj implements the #AtspiEditableText interface,
1026 atspi_accessible_is_editable_text (AtspiAccessible *obj)
1028 return _atspi_accessible_is_a (obj,
1029 atspi_interface_editable_text);
1033 * atspi_accessible_is_hypertext:
1034 * @obj: a pointer to the #AtspiAccessible instance to query.
1036 * Query whether the specified #AtspiAccessible implements the
1037 * #AtspiHypertext interface.
1039 * Returns: #TRUE if @obj implements the #AtspiHypertext interface,
1043 atspi_accessible_is_hypertext (AtspiAccessible *obj)
1045 return _atspi_accessible_is_a (obj,
1046 atspi_interface_hypertext);
1050 * atspi_accessible_is_hyperlink:
1051 * @obj: a pointer to the #AtspiAccessible instance to query.
1053 * Query whether the specified #AtspiAccessible implements the
1054 * #AtspiHyperlink interface.
1056 * Returns: #TRUE if @obj implements the #AtspiHypertext interface,
1060 atspi_accessible_is_hyperlink (AtspiAccessible *obj)
1062 return _atspi_accessible_is_a (obj,
1063 atspi_interface_hyperlink);
1067 * atspi_accessible_is_image:
1068 * @obj: a pointer to the #AtspiAccessible instance to query.
1070 * Query whether the specified #AtspiAccessible implements the
1071 * #AtspiImage interface.
1073 * Returns: #TRUE if @obj implements the #AtspiImage interface,
1077 atspi_accessible_is_image (AtspiAccessible *obj)
1079 return _atspi_accessible_is_a (obj,
1080 atspi_interface_image);
1084 * atspi_accessible_is_selection:
1085 * @obj: a pointer to the #AtspiAccessible instance to query.
1087 * Query whether the specified #AtspiAccessible implements the
1088 * #AtspiSelection interface.
1090 * Returns: #TRUE if @obj implements the #AtspiSelection interface,
1094 atspi_accessible_is_selection (AtspiAccessible *obj)
1096 return _atspi_accessible_is_a (obj,
1097 atspi_interface_selection);
1101 * atspi_accessible_is_table:
1102 * @obj: a pointer to the #AtspiAccessible instance to query.
1104 * Query whether the specified #AtspiAccessible implements the
1105 * #AtspiTable interface.
1107 * Returns: #TRUE if @obj implements the #AtspiTable interface,
1111 atspi_accessible_is_table (AtspiAccessible *obj)
1113 return _atspi_accessible_is_a (obj,
1114 atspi_interface_table);
1118 * atspi_accessible_is_streamable_content:
1119 * @obj: a pointer to the #AtspiAccessible instance to query.
1121 * Query whether the specified #AtspiAccessible implements the
1122 * #AtspiStreamableContent interface.
1124 * Returns: #TRUE if @obj implements the #AtspiStreamableContent interface,
1128 atspi_accessible_is_streamable_content (AtspiAccessible *obj)
1131 return _atspi_accessible_is_a (obj,
1132 atspi_interface_streamable_content);
1134 g_warning ("Streamable content not implemented");
1140 * atspi_accessible_is_text:
1141 * @obj: a pointer to the #AtspiAccessible instance to query.
1143 * Query whether the specified #AtspiAccessible implements the
1144 * #AtspiText interface.
1146 * Returns: #TRUE if @obj implements the #AtspiText interface,
1150 atspi_accessible_is_text (AtspiAccessible *obj)
1152 return _atspi_accessible_is_a (obj,
1153 atspi_interface_text);
1157 * atspi_accessible_is_value:
1158 * @obj: a pointer to the #AtspiAccessible instance to query.
1160 * Query whether the specified #AtspiAccessible implements the
1161 * #AtspiValue interface.
1163 * Returns: #TRUE if @obj implements the #AtspiValue interface,
1167 atspi_accessible_is_value (AtspiAccessible *obj)
1169 return _atspi_accessible_is_a (obj,
1170 atspi_interface_value);
1174 * atspi_accessible_get_action:
1175 * @obj: a pointer to the #AtspiAccessible instance to query.
1177 * Gets the #AtspiAction interface for an #AtspiAccessible.
1179 * Returns: (transfer full): a pointer to an #AtspiAction interface
1180 * instance, or NULL if @obj does not implement #AtspiAction.
1183 atspi_accessible_get_action (AtspiAccessible *accessible)
1185 return (_atspi_accessible_is_a (accessible, atspi_interface_action) ?
1186 g_object_ref (ATSPI_ACTION (accessible)) : NULL);
1190 * atspi_accessible_get_collection:
1191 * @obj: a pointer to the #AtspiAccessible instance to query.
1193 * Gets the #AtspiCollection interface for an #AtspiAccessible.
1195 * Returns: (transfer full): a pointer to an #AtspiCollection interface
1196 * instance, or NULL if @obj does not implement #AtspiCollection.
1199 atspi_accessible_get_collection (AtspiAccessible *accessible)
1201 return (_atspi_accessible_is_a (accessible, atspi_interface_collection) ?
1202 g_object_ref (ATSPI_COLLECTION (accessible)) : NULL);
1206 * atspi_accessible_get_component:
1207 * @obj: a pointer to the #AtspiAccessible instance to query.
1209 * Gets the #AtspiComponent interface for an #AtspiAccessible.
1211 * Returns: (transfer full): a pointer to an #AtspiComponent interface
1212 * instance, or NULL if @obj does not implement #AtspiComponent.
1215 atspi_accessible_get_component (AtspiAccessible *obj)
1217 return (_atspi_accessible_is_a (obj, atspi_interface_component) ?
1218 g_object_ref (ATSPI_COMPONENT (obj)) : NULL);
1222 * atspi_accessible_get_document:
1223 * @obj: a pointer to the #AtspiAccessible instance to query.
1225 * Gets the #AtspiDocument interface for an #AtspiAccessible.
1227 * Returns: (transfer full): a pointer to an #AtspiDocument interface
1228 * instance, or NULL if @obj does not implement #AtspiDocument.
1231 atspi_accessible_get_document (AtspiAccessible *accessible)
1233 return (_atspi_accessible_is_a (accessible, atspi_interface_document) ?
1234 g_object_ref (ATSPI_DOCUMENT (accessible)) : NULL);
1238 * atspi_accessible_get_editable_text:
1239 * @obj: a pointer to the #AtspiAccessible instance to query.
1241 * Gets the #AtspiEditableText interface for an #AtspiAccessible.
1243 * Returns: (transfer full): a pointer to an #AtspiEditableText interface
1244 * instance, or NULL if @obj does not implement #AtspiEditableText.
1247 atspi_accessible_get_editable_text (AtspiAccessible *accessible)
1249 return (_atspi_accessible_is_a (accessible, atspi_interface_editable_text) ?
1250 g_object_ref (ATSPI_EDITABLE_TEXT (accessible)) : NULL);
1254 * atspi_accessible_get_hyperlink:
1255 * @obj: a pointer to the #AtspiAccessible object on which to operate.
1257 * Gets the #AtspiHyperlink interface for an #AtspiAccessible.
1259 * Returns: (transfer full): the #AtspiHyperlink object associated with
1260 * the given #AtspiAccessible, or NULL if not supported.
1263 atspi_accessible_get_hyperlink (AtspiAccessible *accessible)
1265 return (_atspi_accessible_is_a (accessible, atspi_interface_hyperlink) ?
1266 _atspi_hyperlink_new (accessible->parent.app, accessible->parent.path) : NULL);
1270 * atspi_accessible_get_hypertext:
1271 * @obj: a pointer to the #AtspiAccessible instance to query.
1273 * Gets the #AtspiHypertext interface for an #AtspiAccessible.
1275 * Returns: (transfer full): a pointer to an #AtspiHypertext interface
1276 * instance, or NULL if @obj does not implement #AtspiHypertext.
1279 atspi_accessible_get_hypertext (AtspiAccessible *accessible)
1281 return (_atspi_accessible_is_a (accessible, atspi_interface_hypertext) ?
1282 g_object_ref (ATSPI_HYPERTEXT (accessible)) : NULL);
1286 * atspi_accessible_get_image:
1287 * @obj: a pointer to the #AtspiAccessible instance to query.
1289 * Gets the #AtspiImage interface for an #AtspiAccessible.
1291 * Returns: (transfer full): a pointer to an #AtspiImage interface instance, or
1292 * NULL if @obj does not implement #AtspiImage.
1295 atspi_accessible_get_image (AtspiAccessible *accessible)
1297 return (_atspi_accessible_is_a (accessible, atspi_interface_image) ?
1298 g_object_ref (ATSPI_IMAGE (accessible)) : NULL);
1302 * atspi_accessible_get_selection:
1303 * @obj: a pointer to the #AtspiAccessible instance to query.
1305 * Gets the #AtspiSelection interface for an #AtspiAccessible.
1307 * Returns: (transfer full): a pointer to an #AtspiSelection interface
1308 * instance, or NULL if @obj does not implement #AtspiSelection.
1311 atspi_accessible_get_selection (AtspiAccessible *accessible)
1313 return (_atspi_accessible_is_a (accessible, atspi_interface_selection) ?
1314 g_object_ref (ATSPI_SELECTION (accessible)) : NULL);
1319 * atspi_accessible_get_streamable_content:
1320 * @obj: a pointer to the #AtspiAccessible instance to query.
1322 * Gets the #AtspiStreamableContent interface for an #AtspiAccessible.
1324 * Returns: (transfer full): a pointer to an #AtspiStreamableContent interface
1325 * instance, or NULL if @obj does not implement #AtspiStreamableContent.
1327 AtspiStreamableContent *
1328 atspi_accessible_get_streamable_content (AtspiAccessible *accessible)
1330 return (_atspi_accessible_is_a (accessible, atspi_interface_streamable_content) ?
1336 * atspi_accessible_get_table:
1337 * @obj: a pointer to the #AtspiAccessible instance to query.
1339 * Gets the #AtspiTable interface for an #AtspiAccessible.
1341 * Returns: (transfer full): a pointer to an #AtspiTable interface instance, or
1342 * NULL if @obj does not implement #AtspiTable.
1345 atspi_accessible_get_table (AtspiAccessible *obj)
1347 return (_atspi_accessible_is_a (obj, atspi_interface_table) ?
1348 g_object_ref (ATSPI_TABLE (obj)) : NULL);
1352 * atspi_accessible_get_text:
1353 * @obj: a pointer to the #AtspiAccessible instance to query.
1355 * Gets the #AtspiTable interface for an #AtspiAccessible.
1357 * Returns: (transfer full): a pointer to an #AtspiText interface instance, or
1358 * NULL if @obj does not implement #AtspiText.
1361 atspi_accessible_get_text (AtspiAccessible *obj)
1363 return (_atspi_accessible_is_a (obj, atspi_interface_text) ?
1364 g_object_ref (ATSPI_TEXT (obj)) : NULL);
1368 * atspi_accessible_get_value:
1369 * @obj: a pointer to the #AtspiAccessible instance to query.
1371 * Gets the #AtspiTable interface for an #AtspiAccessible.
1373 * Returns: (transfer full): a pointer to an #AtspiValue interface instance, or
1374 * NULL if @obj does not implement #AtspiValue.
1377 atspi_accessible_get_value (AtspiAccessible *accessible)
1379 return (_atspi_accessible_is_a (accessible, atspi_interface_value) ?
1380 g_object_ref (ATSPI_VALUE (accessible)) : NULL);
1384 append_const_val (GArray *array, const gchar *val)
1386 gchar *dup = g_strdup (val);
1389 g_array_append_val (array, dup);
1393 * atspi_accessible_get_interfaces:
1394 * @obj: The #AtspiAccessible to query.
1396 * A set of pointers to all interfaces supported by an #AtspiAccessible.
1398 * Returns: (element-type gchar*) (transfer full): A #GArray of strings
1399 * describing the interfaces supported by the object. Interfaces are
1400 * denoted in short-hand (i.e. "Component", "Text" etc.).
1403 atspi_accessible_get_interfaces (AtspiAccessible *obj)
1405 GArray *ret = g_array_new (TRUE, TRUE, sizeof (gchar *));
1407 g_return_val_if_fail (obj != NULL, NULL);
1409 append_const_val (ret, "Accessible");
1410 if (atspi_accessible_is_action (obj))
1411 append_const_val (ret, "Action");
1412 if (atspi_accessible_is_collection (obj))
1413 append_const_val (ret, "Collection");
1414 if (atspi_accessible_is_component (obj))
1415 append_const_val (ret, "Component");
1416 if (atspi_accessible_is_document (obj))
1417 append_const_val (ret, "Document");
1418 if (atspi_accessible_is_editable_text (obj))
1419 append_const_val (ret, "EditableText");
1420 if (atspi_accessible_is_hypertext (obj))
1421 append_const_val (ret, "Hypertext");
1422 if (atspi_accessible_is_hyperlink (obj))
1423 append_const_val (ret, "Hyperlink");
1424 if (atspi_accessible_is_image (obj))
1425 append_const_val (ret, "Image");
1426 if (atspi_accessible_is_selection (obj))
1427 append_const_val (ret, "Selection");
1428 if (atspi_accessible_is_table (obj))
1429 append_const_val (ret, "Table");
1430 if (atspi_accessible_is_text (obj))
1431 append_const_val (ret, "Text");
1432 if (atspi_accessible_is_value (obj))
1433 append_const_val (ret, "Value");
1439 _atspi_accessible_new (AtspiApplication *app, const gchar *path)
1441 AtspiAccessible *accessible;
1443 accessible = g_object_new (ATSPI_TYPE_ACCESSIBLE, NULL);
1444 g_return_val_if_fail (accessible != NULL, NULL);
1446 accessible->parent.app = g_object_ref (app);
1447 accessible->parent.path = g_strdup (path);
1453 * atspi_accessible_set_cache_mask:
1454 * @accessible: The #AtspiAccessible to operate on. Must be the desktop or
1455 * the root of an application.
1456 * @mask: (type int): An #AtspiCache specifying a bit mask of the types of data to cache.
1458 * Sets the type of data to cache for accessibles.
1459 * If this is not set for an application or is reset to ATSPI_CACHE_UNDEFINED,
1460 * then the desktop's cache flag will be used.
1461 * If the desktop's cache flag is also undefined, then all possible data will
1463 * This function is intended to work around bugs in toolkits where the proper
1464 * events are not raised / to aid in testing for such bugs.
1467 atspi_accessible_set_cache_mask (AtspiAccessible *accessible, AtspiCache mask)
1469 g_return_if_fail (accessible != NULL);
1470 g_return_if_fail (accessible->parent.app != NULL);
1471 g_return_if_fail (accessible == accessible->parent.app->root);
1472 accessible->parent.app->cache = mask;
1473 enable_caching = TRUE;
1477 * atspi_accessible_clear_cache:
1478 * @accessible: The #AtspiAccessible whose cache to clear.
1480 * Clears the cached information for the given accessible and all of its
1484 atspi_accessible_clear_cache (AtspiAccessible *accessible)
1490 accessible->cached_properties = ATSPI_CACHE_NONE;
1491 for (l = accessible->children; l; l = l->next)
1492 atspi_accessible_clear_cache (l->data);
1497 * atspi_accessible_get_process_id:
1498 * @accessible: The #AtspiAccessible to query.
1500 * Returns the process id associated with the given accessible. Mainly
1501 * added for debugging; it is a shortcut to explicitly querying the
1502 * accessible's app->bus_name and then calling GetConnectionUnixProcessID.
1504 * Returns: The process ID, or -1 if defunct.
1507 atspi_accessible_get_process_id (AtspiAccessible *accessible, GError **error)
1509 DBusMessage *message, *reply;
1510 DBusConnection *bus = _atspi_bus ();
1511 dbus_uint32_t pid = -1;
1514 if (!accessible->parent.app || !accessible->parent.app->bus_name)
1517 message = dbus_message_new_method_call ("org.freedesktop.DBus",
1518 "/org/freedesktop/DBus",
1519 "org.freedesktop.DBus",
1520 "GetConnectionUnixProcessID");
1521 dbus_message_append_args (message, DBUS_TYPE_STRING,
1522 &accessible->parent.app->bus_name,
1524 dbus_error_init (&d_error);
1525 reply = dbus_connection_send_with_reply_and_block (bus, message, -1, &d_error);
1526 dbus_message_unref (message);
1527 dbus_message_get_args (reply, NULL, DBUS_TYPE_UINT32, &pid, DBUS_TYPE_INVALID);
1528 dbus_message_unref (reply);
1529 if (dbus_error_is_set (&d_error))
1531 g_warning ("GetConnectionUnixProcessID failed: %s", d_error.message);
1532 dbus_error_free (&d_error);
1538 _atspi_accessible_get_cache_mask (AtspiAccessible *accessible)
1542 if (!accessible->parent.app)
1543 return ATSPI_CACHE_NONE;
1545 mask = accessible->parent.app->cache;
1546 if (mask == ATSPI_CACHE_UNDEFINED &&
1547 accessible->parent.app->root &&
1548 accessible->parent.app->root->accessible_parent)
1550 AtspiAccessible *desktop = atspi_get_desktop (0);
1551 mask = desktop->parent.app->cache;
1552 g_object_unref (desktop);
1555 if (mask == ATSPI_CACHE_UNDEFINED)
1556 mask = ATSPI_CACHE_DEFAULT;
1562 _atspi_accessible_test_cache (AtspiAccessible *accessible, AtspiCache flag)
1564 AtspiCache mask = _atspi_accessible_get_cache_mask (accessible);
1565 AtspiCache result = accessible->cached_properties & mask & flag;
1566 if (accessible->states && atspi_state_set_contains (accessible->states, ATSPI_STATE_TRANSIENT))
1568 return (result != 0 && (atspi_main_loop || enable_caching) &&
1573 _atspi_accessible_add_cache (AtspiAccessible *accessible, AtspiCache flag)
1575 AtspiCache mask = _atspi_accessible_get_cache_mask (accessible);
1577 accessible->cached_properties |= flag & mask;