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.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
24 #include "atspi-private.h"
28 atspi_action_interface_init (AtspiAction *action)
33 atspi_collection_interface_init (AtspiCollection *component)
38 atspi_component_interface_init (AtspiComponent *component)
43 atspi_document_interface_init (AtspiDocument *document)
47 atspi_editable_text_interface_init (AtspiEditableText *editable_text)
52 atspi_hypertext_interface_init (AtspiHypertext *hypertext)
57 atspi_image_interface_init (AtspiImage *image)
62 atspi_selection_interface_init (AtspiSelection *selection)
67 atspi_table_interface_init (AtspiTable *table)
72 atspi_text_interface_init (AtspiText *text)
77 atspi_value_interface_init (AtspiValue *value)
81 G_DEFINE_TYPE_WITH_CODE (AtspiAccessible, atspi_accessible, ATSPI_TYPE_OBJECT,
82 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_ACTION, atspi_action_interface_init)
83 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_COLLECTION, atspi_collection_interface_init)
84 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_COMPONENT, atspi_component_interface_init)
85 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_DOCUMENT, atspi_document_interface_init)
86 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_EDITABLE_TEXT, atspi_editable_text_interface_init)
87 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_HYPERTEXT, atspi_hypertext_interface_init)
88 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_IMAGE, atspi_image_interface_init)
89 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_SELECTION, atspi_selection_interface_init)
90 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_TABLE, atspi_table_interface_init)
91 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_TEXT, atspi_text_interface_init)
92 G_IMPLEMENT_INTERFACE (ATSPI_TYPE_VALUE, atspi_value_interface_init))
94 #ifdef DEBUG_REF_COUNTS
95 static gint accessible_count = 0;
99 atspi_accessible_init (AtspiAccessible *accessible)
101 #ifdef DEBUG_REF_COUNTS
103 printf("at-spi: init: %d objects\n", accessible_count);
108 atspi_accessible_dispose (GObject *object)
110 AtspiAccessible *accessible = ATSPI_ACCESSIBLE (object);
113 AtspiAccessible *parent;
115 /* TODO: Only fire if object not already marked defunct */
116 memset (&e, 0, sizeof (e));
117 e.type = "object:state-change:defunct";
118 e.source = accessible;
121 _atspi_send_event (&e);
123 if (accessible->states)
125 g_object_unref (accessible->states);
126 accessible->states = NULL;
129 parent = accessible->accessible_parent;
130 if (parent && parent->children)
132 GList*ls = g_list_find (parent->children, accessible);
135 gboolean replace = (ls == parent->children);
136 ls = g_list_remove (ls, accessible);
138 parent->children = ls;
139 g_object_unref (object);
145 g_object_unref (parent);
146 accessible->accessible_parent = NULL;
149 G_OBJECT_CLASS (atspi_accessible_parent_class) ->dispose (object);
153 atspi_accessible_finalize (GObject *object)
155 AtspiAccessible *accessible = ATSPI_ACCESSIBLE (object);
157 g_free (accessible->description);
158 g_free (accessible->name);
160 #ifdef DEBUG_REF_COUNTS
162 printf("at-spi: finalize: %d objects\n", accessible_count);
165 G_OBJECT_CLASS (atspi_accessible_parent_class)
170 atspi_accessible_class_init (AtspiAccessibleClass *klass)
172 GObjectClass *object_class = G_OBJECT_CLASS (klass);
174 object_class->dispose = atspi_accessible_dispose;
175 object_class->finalize = atspi_accessible_finalize;
178 /* TODO: Generate following from spec? */
179 static const char *role_names [] =
237 "table-column-header",
239 "tear-off-menu-item",
269 "input method window"
272 #define MAX_ROLES (sizeof (role_names) / sizeof (char *))
275 * atspi_role_get_name
276 * @role: an #AtspiAccessibleRole object to query.
278 * Get a localizeable string that indicates the name of an #AtspiAccessibleRole.
279 * <em>DEPRECATED.</em>
281 * Returns: a localizable string name for an #AtspiAccessibleRole enumerated type.
284 atspi_role_get_name (AtspiRole role)
286 if (role < MAX_ROLES && role_names [(int) role])
288 return g_strdup (role_names [(int) role]);
292 return g_strdup ("");
297 * atspi_accessible_get_name:
298 * @obj: a pointer to the #AtspiAccessible object on which to operate.
300 * Get the name of an #AtspiAccessible object.
302 * Returns: a UTF-8 string indicating the name of the #AtspiAccessible object.
303 * or NULL on exception
306 atspi_accessible_get_name (AtspiAccessible *obj, GError **error)
308 g_return_val_if_fail (obj != NULL, g_strdup (""));
309 if (!(obj->cached_properties & ATSPI_CACHE_NAME))
311 if (!_atspi_dbus_get_property (obj, atspi_interface_accessible, "Name", error,
313 return g_strdup ("");
314 obj->cached_properties |= ATSPI_CACHE_NAME;
316 return g_strdup (obj->name);
320 * atspi_accessible_get_description:
321 * @obj: a pointer to the #AtspiAccessible object on which to operate.
323 * Get the description of an #AtspiAccessible object.
325 * Returns: a UTF-8 string describing the #AtspiAccessible object.
326 * or NULL on exception
329 atspi_accessible_get_description (AtspiAccessible *obj, GError **error)
331 g_return_val_if_fail (obj != NULL, g_strdup (""));
333 if (!(obj->cached_properties & ATSPI_CACHE_DESCRIPTION))
335 if (!_atspi_dbus_get_property (obj, atspi_interface_accessible,
336 "Description", error, "s",
338 return g_strdup ("");
339 obj->cached_properties |= ATSPI_CACHE_DESCRIPTION;
341 return g_strdup (obj->description);
344 const char *str_parent = "Parent";
347 * atspi_accessible_get_parent:
348 * @obj: a pointer to the #AtspiAccessible object to query.
350 * Get an #AtspiAccessible object's parent container.
352 * Returns: (transfer full): a pointer to the #AtspiAccessible object which
353 * contains the given #AtspiAccessible instance, or NULL if the @obj
354 * has no parent container.
358 atspi_accessible_get_parent (AtspiAccessible *obj, GError **error)
360 g_return_val_if_fail (obj != NULL, NULL);
362 if (!(obj->cached_properties & ATSPI_CACHE_PARENT))
364 DBusMessage *message, *reply;
365 DBusMessageIter iter, iter_variant;
366 message = dbus_message_new_method_call (obj->parent.app->bus_name,
368 DBUS_INTERFACE_PROPERTIES, "Get");
371 dbus_message_append_args (message, DBUS_TYPE_STRING, &atspi_interface_accessible,
372 DBUS_TYPE_STRING, &str_parent,
374 reply = _atspi_dbus_send_with_reply_and_block (message);
376 (strcmp (dbus_message_get_signature (reply), "v") != 0))
378 dbus_message_iter_init (reply, &iter);
379 dbus_message_iter_recurse (&iter, &iter_variant);
380 obj->accessible_parent = _atspi_dbus_return_accessible_from_iter (&iter_variant);
381 dbus_message_unref (reply);
382 obj->cached_properties |= ATSPI_CACHE_PARENT;
384 if (!obj->accessible_parent)
386 return g_object_ref (obj->accessible_parent);
390 * atspi_accessible_get_child_count:
391 * @obj: a pointer to the #AtspiAccessible object on which to operate.
393 * Get the number of children contained by an #AtspiAccessible object.
395 * Returns: a #long indicating the number of #AtspiAccessible children
396 * contained by an #AtspiAccessible object. or -1 on exception
400 atspi_accessible_get_child_count (AtspiAccessible *obj, GError **error)
402 g_return_val_if_fail (obj != NULL, -1);
404 if (!(obj->cached_properties & ATSPI_CACHE_CHILDREN))
407 if (!_atspi_dbus_get_property (obj, atspi_interface_accessible,
408 "ChildCount", error, "i", &ret))
413 return g_list_length (obj->children);
417 * atspi_accessible_get_child_at_index:
418 * @obj: a pointer to the #AtspiAccessible object on which to operate.
419 * @child_index: a #long indicating which child is specified.
421 * Get the #AtspiAccessible child of an #AtspiAccessible object at a given index.
423 * Returns: (transfer full): a pointer to the #AtspiAccessible child object at
424 * index @child_index. or NULL on exception
427 atspi_accessible_get_child_at_index (AtspiAccessible *obj,
431 AtspiAccessible *child;
433 g_return_val_if_fail (obj != NULL, NULL);
435 if (!(obj->cached_properties & ATSPI_CACHE_CHILDREN))
438 reply = _atspi_dbus_call_partial (obj, atspi_interface_accessible,
439 "GetChildAtIndex", error, "i",
441 return _atspi_dbus_return_accessible_from_message (reply);
444 child = g_list_nth_data (obj->children, child_index);
447 return g_object_ref (child);
451 * atspi_accessible_get_index_in_parent
452 * @obj: a pointer to the #AtspiAccessible object on which to operate.
454 * Get the index of an #AtspiAccessible object in its containing #AtspiAccessible.
456 * Returns: a #glong indicating the index of the #AtspiAccessible object
457 * in its parent (i.e. containing) #AtspiAccessible instance,
458 * or -1 if @obj has no containing parent or on exception.
461 atspi_accessible_get_index_in_parent (AtspiAccessible *obj, GError **error)
466 g_return_val_if_fail (obj != NULL, -1);
467 if (!obj->accessible_parent) return -1;
468 if (!(obj->accessible_parent->cached_properties & ATSPI_CACHE_CHILDREN))
470 dbus_uint32_t ret = -1;
471 _atspi_dbus_call (obj, atspi_interface_accessible,
472 "GetIndexInParent", NULL, "=>u", &ret);
476 l = obj->accessible_parent->children;
479 if (l->data == obj) return i;
490 } Accessibility_Relation;
493 * atspi_accessible_get_relation_set:
494 * @obj: a pointer to the #AtspiAccessible object on which to operate.
496 * Get the set of #AtspiRelation objects which describe this #AtspiAccessible object's
497 * relationships with other #AtspiAccessible objects.
499 * Returns: (element-type AtspiAccessible*) (transfer full): an array of
500 * #AtspiAccessibleRelation pointers. or NULL on exception
503 atspi_accessible_get_relation_set (AtspiAccessible *obj, GError **error)
506 DBusMessageIter iter, iter_array;
509 g_return_val_if_fail (obj != NULL, NULL);
511 reply = _atspi_dbus_call_partial (obj, atspi_interface_accessible, "GetRelationSet", error, "");
512 _ATSPI_DBUS_CHECK_SIG (reply, "a(ua(so))", NULL);
514 ret = g_array_new (TRUE, TRUE, sizeof (AtspiRelation *));
515 dbus_message_iter_init (reply, &iter);
516 dbus_message_iter_recurse (&iter, &iter_array);
517 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
520 AtspiRelation *relation;
521 relation = _atspi_relation_new_from_iter (&iter_array);
522 new_array = g_array_append_val (ret, relation);
525 dbus_message_iter_next (&iter_array);
531 * atspi_accessible_get_role:
532 * @obj: a pointer to the #AtspiAccessible object on which to operate.
534 * Get the UI role of an #AtspiAccessible object.
535 * A UTF-8 string describing this role can be obtained via atspi_accessible_getRoleName ().
537 * Returns: the #AtspiRole of the object.
541 atspi_accessible_get_role (AtspiAccessible *obj, GError **error)
543 g_return_val_if_fail (obj != NULL, ATSPI_ROLE_INVALID);
545 if (!(obj->cached_properties & ATSPI_CACHE_ROLE))
548 /* TODO: Make this a property */
549 if (_atspi_dbus_call (obj, atspi_interface_accessible, "GetRole", NULL, "=>u", &role))
551 obj->cached_properties |= ATSPI_CACHE_ROLE;
559 * atspi_accessible_get_role_name:
560 * @obj: a pointer to the #AtspiAccessible object on which to operate.
562 * Get a UTF-8 string describing the role this object plays in the UI.
563 * This method will return useful values for roles that fall outside the
564 * enumeration used in atspi_accessible_getRole ().
566 * Returns: a UTF-8 string specifying the role of this #AtspiAccessible object.
570 atspi_accessible_get_role_name (AtspiAccessible *obj, GError **error)
574 g_return_val_if_fail (obj != NULL, NULL);
576 _atspi_dbus_call (obj, atspi_interface_accessible, "GetRoleName", error, "=>s", &retval);
579 retval = g_strdup ("");
585 * atspi_accessible_get_localized_role_name:
586 * @obj: a pointer to the #AtspiAccessible object on which to operate.
588 * Get a UTF-8 string describing the (localized) role this object plays in the UI.
589 * This method will return useful values for roles that fall outside the
590 * enumeration used in atspi_accessible_getRole ().
592 * Returns: a UTF-8 string specifying the role of this #AtspiAccessible object.
596 atspi_accessible_get_localized_role_name (AtspiAccessible *obj, GError **error)
600 g_return_val_if_fail (obj != NULL, NULL);
602 _atspi_dbus_call (obj, atspi_interface_accessible, "GetLocalizedRoleName", error, "=>s", &retval);
605 return g_strdup ("");
611 * atspi_accessible_get_state_set:
612 * @obj: a pointer to the #AtspiAccessible object on which to operate.
614 * Gets the current state of an object.
616 * Returns: (transfer full): a pointer to an #AtspiStateSet representing the
617 * object's current state.
620 atspi_accessible_get_state_set (AtspiAccessible *obj)
622 if (!obj->parent.app || !obj->parent.app->bus)
624 AtspiStateSet *set = atspi_state_set_new (NULL);
625 atspi_state_set_add (set, ATSPI_STATE_DEFUNCT);
630 if (!(obj->cached_properties & ATSPI_CACHE_STATES))
633 DBusMessageIter iter;
634 reply = _atspi_dbus_call_partial (obj, atspi_interface_accessible,
635 "GetState", NULL, "");
636 _ATSPI_DBUS_CHECK_SIG (reply, "au", NULL);
637 dbus_message_iter_init (reply, &iter);
638 _atspi_dbus_set_state (obj, &iter);
639 dbus_message_unref (reply);
642 return g_object_ref (obj->states);
646 * atspi_accessible_get_attributes:
647 * @obj: The #AtspiAccessible being queried.
649 * Get the #AttributeSet representing any assigned
650 * name-value pair attributes or annotations for this object.
651 * For typographic, textual, or textually-semantic attributes, see
652 * atspi_text_get_attributes instead.
654 * Returns: (element-type gchar* gchar*) (transfer full): The name-value-pair
655 * attributes assigned to this object.
658 atspi_accessible_get_attributes (AtspiAccessible *obj, GError **error)
660 DBusMessage *message;
662 g_return_val_if_fail (obj != NULL, NULL);
664 message = _atspi_dbus_call_partial (obj, atspi_interface_accessible, "GetAttributes", error, "");
665 return _atspi_dbus_return_hash_from_message (message);
669 * atspi_accessible_get_attributes_as_array:
670 * @obj: The #AtspiAccessible being queried.
672 * Get the #AttributeSet representing any assigned
673 * name-value pair attributes or annotations for this object.
674 * For typographic, textual, or textually-semantic attributes, see
675 * atspi_text_get_attributes_as_array instead.
677 * Returns: (element-type gchar*) (transfer full): The name-value-pair
678 * attributes assigned to this object.
681 atspi_accessible_get_attributes_as_array (AtspiAccessible *obj, GError **error)
683 DBusMessage *message;
685 g_return_val_if_fail (obj != NULL, NULL);
687 message = _atspi_dbus_call_partial (obj, atspi_interface_accessible, "GetAttributes", error, "");
688 return _atspi_dbus_return_attribute_array_from_message (message);
692 * atspi_accessible_get_application:
693 * @obj: The #AtspiAccessible being queried.
695 * Get the containing #AtspiApplication for an object.
697 * Returns: (transfer full): the containing AtspiApplication instance for
701 atspi_accessible_get_application (AtspiAccessible *obj, GError **error)
703 AtspiAccessible *parent;
708 parent = atspi_accessible_get_parent (obj, NULL);
709 if (!parent || parent == obj ||
710 atspi_accessible_get_role (parent, NULL) == ATSPI_ROLE_DESKTOP_FRAME)
712 g_object_unref (obj);
717 /* Application-specific methods */
720 * atspi_accessible_get_toolkit_name:
721 * @obj: a pointer to the #AtspiAccessible object on which to operate.
723 * Get the toolkit for a #AtspiAccessible object.
724 * Only works on application root objects.
726 * Returns: a UTF-8 string indicating the toolkit name for the #AtspiAccessible object.
727 * or NULL on exception
730 atspi_accessible_get_toolkit_name (AtspiAccessible *obj, GError **error)
734 g_return_val_if_fail (obj != NULL, NULL);
736 if (!_atspi_dbus_get_property (obj, atspi_interface_application, "ToolkitName", error, "s", &ret))
738 return g_strdup (ret);
742 * atspi_accessible_get_toolkit_version:
743 * @obj: a pointer to the #AtspiAccessible object on which to operate.
745 * Get the toolkit version for a #AtspiAccessible object.
746 * Only works on application root objects.
748 * Returns: a UTF-8 string indicating the toolkit ersion for the #AtspiAccessible object.
749 * or NULL on exception
752 atspi_accessible_get_toolkit_version (AtspiAccessible *obj, GError **error)
756 g_return_val_if_fail (obj != NULL, NULL);
758 if (!_atspi_dbus_get_property (obj, atspi_interface_application, "ToolkitVersion", error, "s", &ret))
760 return g_strdup (ret);
762 /* Interface query methods */
765 * atspi_accessible_is_action:
766 * @obj: a pointer to the #AtspiAccessible instance to query.
768 * Query whether the specified #AtspiAccessible implements #AtspiAction.
770 * Returns: #TRUE if @obj implements the #AtspiAction interface,
774 atspi_accessible_is_action (AtspiAccessible *obj)
776 return _atspi_accessible_is_a (obj,
777 atspi_interface_action);
781 * atspi_accessible_is_application:
782 * @obj: a pointer to the #AtspiAccessible instance to query.
784 * Query whether the specified #AtspiAccessible implements #AtspiApplication.
786 * Returns: #TRUE if @obj implements the #AtspiApplication interface,
790 atspi_accessible_is_application (AtspiAccessible *obj)
792 return _atspi_accessible_is_a (obj,
793 atspi_interface_application);
797 * atspi_accessible_is_collection: * @obj: a pointer to the #AtspiAccessible instance to query.
799 * Query whether the specified #AtspiAccessible implements #AtspiCollection.
800 * Returns: #TRUE if @obj implements the #AtspiCollection interface,
804 atspi_accessible_is_collection (AtspiAccessible *obj)
806 return _atspi_accessible_is_a (obj,
807 atspi_interface_collection);
811 * atspi_accessible_is_component:
812 * @obj: a pointer to the #AtspiAccessible instance to query.
814 * Query whether the specified #AtspiAccessible implements #AtspiComponent.
816 * Returns: #TRUE if @obj implements the #AtspiComponent interface,
820 atspi_accessible_is_component (AtspiAccessible *obj)
822 return _atspi_accessible_is_a (obj,
823 atspi_interface_component);
827 * atspi_accessible_is_document:
828 * @obj: a pointer to the #AtspiAccessible instance to query.
830 * Query whether the specified #AtspiAccessible implements #AtspiDocument.
832 * Returns: #TRUE if @obj implements the #AtspiDocument interface,
836 atspi_accessible_is_document (AtspiAccessible *obj)
838 return _atspi_accessible_is_a (obj,
839 atspi_interface_document);
843 * atspi_accessible_is_editable_text:
844 * @obj: a pointer to the #AtspiAccessible instance to query.
846 * Query whether the specified #AtspiAccessible implements #AtspiEditableText.
848 * Returns: #TRUE if @obj implements the #AtspiEditableText interface,
852 atspi_accessible_is_editable_text (AtspiAccessible *obj)
854 return _atspi_accessible_is_a (obj,
855 atspi_interface_editable_text);
859 * atspi_accessible_is_hypertext:
860 * @obj: a pointer to the #AtspiAccessible instance to query.
862 * Query whether the specified #AtspiAccessible implements #AtspiHypertext.
864 * Returns: #TRUE if @obj implements the #AtspiHypertext interface,
868 atspi_accessible_is_hypertext (AtspiAccessible *obj)
870 return _atspi_accessible_is_a (obj,
871 atspi_interface_hypertext);
875 * atspi_accessible_is_image:
876 * @obj: a pointer to the #AtspiAccessible instance to query.
878 * Query whether the specified #AtspiAccessible implements #AtspiImage.
880 * Returns: #TRUE if @obj implements the #AtspiImage interface,
884 atspi_accessible_is_image (AtspiAccessible *obj)
886 return _atspi_accessible_is_a (obj,
887 atspi_interface_image);
891 * atspi_accessible_is_selection:
892 * @obj: a pointer to the #AtspiAccessible instance to query.
894 * Query whether the specified #AtspiAccessible implements #AtspiSelection.
896 * Returns: #TRUE if @obj implements the #AtspiSelection interface,
900 atspi_accessible_is_selection (AtspiAccessible *obj)
902 return _atspi_accessible_is_a (obj,
903 atspi_interface_selection);
907 * atspi_accessible_is_table:
908 * @obj: a pointer to the #AtspiAccessible instance to query.
910 * Query whether the specified #AtspiAccessible implements #AtspiTable.
912 * Returns: #TRUE if @obj implements the #AtspiTable interface,
916 atspi_accessible_is_table (AtspiAccessible *obj)
918 return _atspi_accessible_is_a (obj,
919 atspi_interface_table);
923 * atspi_accessible_is_streamable_content:
924 * @obj: a pointer to the #AtspiAccessible instance to query.
926 * Query whether the specified #AtspiAccessible implements
927 * #AtspiStreamableContent.
929 * Returns: #TRUE if @obj implements the #AtspiStreamableContent interface,
933 atspi_accessible_is_streamable_content (AtspiAccessible *obj)
936 return _atspi_accessible_is_a (obj,
937 atspi_interface_streamable_content);
939 g_warning (_("Streamable content not implemented"));
945 * atspi_accessible_is_text:
946 * @obj: a pointer to the #AtspiAccessible instance to query.
948 * Query whether the specified #AtspiAccessible implements #AtspiText.
950 * Returns: #TRUE if @obj implements the #AtspiText interface,
954 atspi_accessible_is_text (AtspiAccessible *obj)
956 return _atspi_accessible_is_a (obj,
957 atspi_interface_text);
961 * atspi_accessible_is_value:
962 * @obj: a pointer to the #AtspiAccessible instance to query.
964 * Query whether the specified #AtspiAccessible implements #AtspiValue.
966 * Returns: #TRUE if @obj implements the #AtspiValue interface,
970 atspi_accessible_is_value (AtspiAccessible *obj)
972 return _atspi_accessible_is_a (obj,
973 atspi_interface_value);
977 * atspi_accessible_get_action:
978 * @obj: a pointer to the #AtspiAccessible instance to query.
980 * Get the #AtspiAction interface for an #AtspiAccessible.
982 * Returns: (transfer full): a pointer to an #AtspiAction interface
983 * instance, or NULL if @obj does not implement #AtspiAction.
986 atspi_accessible_get_action (AtspiAccessible *accessible)
988 return (_atspi_accessible_is_a (accessible, atspi_interface_action) ?
989 g_object_ref (ATSPI_ACTION (accessible)) : NULL);
993 * atspi_accessible_get_collection:
994 * @obj: a pointer to the #AtspiAccessible instance to query.
996 * Get the #AtspiCollection interface for an #AtspiAccessible.
998 * Returns: (transfer full): a pointer to an #AtspiCollection interface
999 * instance, or NULL if @obj does not implement #AtspiCollection.
1002 atspi_accessible_get_collection (AtspiAccessible *accessible)
1004 return (_atspi_accessible_is_a (accessible, atspi_interface_collection) ?
1005 g_object_ref (ATSPI_COLLECTION (accessible)) : NULL);
1009 * atspi_accessible_get_component:
1010 * @obj: a pointer to the #AtspiAccessible instance to query.
1012 * Get the #AtspiComponent interface for an #AtspiAccessible.
1014 * Returns: (transfer full): a pointer to an #AtspiComponent interface
1015 * instance, or NULL if @obj does not implement #AtspiComponent.
1018 atspi_accessible_get_component (AtspiAccessible *obj)
1020 return (_atspi_accessible_is_a (obj, atspi_interface_component) ?
1021 g_object_ref (ATSPI_COMPONENT (obj)) : NULL);
1025 * atspi_accessible_get_document:
1026 * @obj: a pointer to the #AtspiAccessible instance to query.
1028 * Get the #AtspiDocument interface for an #AtspiAccessible.
1030 * Returns: (transfer full): a pointer to an #AtspiDocument interface
1031 * instance, or NULL if @obj does not implement #AtspiDocument.
1034 atspi_accessible_get_document (AtspiAccessible *accessible)
1036 return (_atspi_accessible_is_a (accessible, atspi_interface_document) ?
1037 g_object_ref (ATSPI_DOCUMENT (accessible)) : NULL);
1041 * atspi_accessible_get_editable_text:
1042 * @obj: a pointer to the #AtspiAccessible instance to query.
1044 * Get the #AtspiEditableText interface for an #AtspiAccessible.
1046 * Returns: (transfer full): a pointer to an #AtspiEditableText interface
1047 * instance, or NULL if @obj does not implement #AtspiEditableText.
1050 atspi_accessible_get_editable_text (AtspiAccessible *accessible)
1052 return (_atspi_accessible_is_a (accessible, atspi_interface_editable_text) ?
1053 g_object_ref (ATSPI_EDITABLE_TEXT (accessible)) : NULL);
1057 * atspi_accessible_get_hyperlink:
1058 * @obj: a pointer to the #AtspiAccessible object on which to operate.
1060 * Get the #AtspiHyperlink associated with the given #AtspiAccessible, if
1063 * Returns: (transfer full): the #AtspiHyperlink object associated with
1064 * the given #AtspiAccessible, or NULL if not supported.
1067 atspi_accessible_get_hyperlink (AtspiAccessible *accessible)
1069 return (_atspi_accessible_is_a (accessible, atspi_interface_hyperlink) ?
1070 atspi_hyperlink_new (accessible->parent.app, accessible->parent.path) : NULL);
1074 * atspi_accessible_get_hypertext:
1075 * @obj: a pointer to the #AtspiAccessible instance to query.
1077 * Get the #AtspiHypertext interface for an #AtspiAccessible.
1079 * Returns: (transfer full): a pointer to an #AtspiHypertext interface
1080 * instance, or NULL if @obj does not implement #AtspiHypertext.
1083 atspi_accessible_get_hypertext (AtspiAccessible *accessible)
1085 return (_atspi_accessible_is_a (accessible, atspi_interface_hypertext) ?
1086 g_object_ref (ATSPI_HYPERTEXT (accessible)) : NULL);
1090 * atspi_accessible_get_image:
1091 * @obj: a pointer to the #AtspiAccessible instance to query.
1093 * Get the #AtspiImage interface for an #AtspiAccessible.
1095 * Returns: (transfer full): a pointer to an #AtspiImage interface instance, or
1096 * NULL if @obj does not implement #AtspiImage.
1099 atspi_accessible_get_image (AtspiAccessible *accessible)
1101 return (_atspi_accessible_is_a (accessible, atspi_interface_image) ?
1102 g_object_ref (ATSPI_IMAGE (accessible)) : NULL);
1106 * atspi_accessible_get_selection:
1107 * @obj: a pointer to the #AtspiAccessible instance to query.
1109 * Get the #AtspiSelection interface for an #AtspiAccessible.
1111 * Returns: (transfer full): a pointer to an #AtspiSelection interface
1112 * instance, or NULL if @obj does not implement #AtspiSelection.
1115 atspi_accessible_get_selection (AtspiAccessible *accessible)
1117 return (_atspi_accessible_is_a (accessible, atspi_interface_selection) ?
1118 g_object_ref (ATSPI_SELECTION (accessible)) : NULL);
1123 * atspi_accessible_get_streamable_content:
1124 * @obj: a pointer to the #AtspiAccessible instance to query.
1126 * Get the #AtspiStreamableContent interface for an #AtspiAccessible.
1128 * Returns: (transfer full): a pointer to an #AtspiStreamableContent interface
1129 * instance, or NULL if @obj does not implement #AtspiStreamableContent.
1131 AtspiStreamableContent *
1132 atspi_accessible_get_streamable_content (AtspiAccessible *accessible)
1134 return (_atspi_accessible_is_a (accessible, atspi_interface_streamable_content) ?
1140 * atspi_accessible_get_table:
1141 * @obj: a pointer to the #AtspiAccessible instance to query.
1143 * Get the #AtspiTable interface for an #AtspiAccessible.
1145 * Returns: (transfer full): a pointer to an #AtspiTable interface instance, or
1146 * NULL if @obj does not implement #AtspiTable.
1149 atspi_accessible_get_table (AtspiAccessible *obj)
1151 return (_atspi_accessible_is_a (obj, atspi_interface_table) ?
1152 g_object_ref (ATSPI_TABLE (obj)) : NULL);
1156 * atspi_accessible_get_text:
1157 * @obj: a pointer to the #AtspiAccessible instance to query.
1159 * Get the #AtspiTable interface for an #AtspiAccessible.
1161 * Returns: (transfer full): a pointer to an #AtspiText interface instance, or
1162 * NULL if @obj does not implement #AtspiText.
1165 atspi_accessible_get_text (AtspiAccessible *obj)
1167 return (_atspi_accessible_is_a (obj, atspi_interface_text) ?
1168 g_object_ref (ATSPI_TEXT (obj)) : NULL);
1172 * atspi_accessible_get_value:
1173 * @obj: a pointer to the #AtspiAccessible instance to query.
1175 * Get the #AtspiTable interface for an #AtspiAccessible.
1177 * Returns: (transfer full): a pointer to an #AtspiValue interface instance, or
1178 * NULL if @obj does not implement #AtspiValue.
1181 atspi_accessible_get_value (AtspiAccessible *accessible)
1183 return (_atspi_accessible_is_a (accessible, atspi_interface_value) ?
1184 g_object_ref (ATSPI_VALUE (accessible)) : NULL);
1188 _atspi_accessible_is_a (AtspiAccessible *accessible,
1189 const char *interface_name)
1193 if (accessible == NULL)
1198 if (!(accessible->cached_properties & ATSPI_CACHE_INTERFACES))
1201 DBusMessageIter iter;
1202 reply = _atspi_dbus_call_partial (accessible, atspi_interface_accessible,
1203 "GetInterfaces", NULL, "");
1204 _ATSPI_DBUS_CHECK_SIG (reply, "as", FALSE);
1205 dbus_message_iter_init (reply, &iter);
1206 _atspi_dbus_set_interfaces (accessible, &iter);
1207 dbus_message_unref (reply);
1210 n = _atspi_get_iface_num (interface_name);
1211 if (n == -1) return FALSE;
1212 return (gboolean) ((accessible->interfaces & (1 << n))? TRUE: FALSE);
1216 append_const_val (GArray *array, const gchar *val)
1218 gchar *dup = g_strdup (val);
1221 g_array_append_val (array, dup);
1225 * atspi_accessible_get_interfaces:
1227 * #obj: The #AtspiAccessible to query.
1229 * Returns: (element-type gchar*) (transfer full): A #GArray of strings
1230 * describing the interfaces supported by the object. Interfaces are
1231 * denoted in short-hand (ie, "Component", "Text", etc.)
1234 atspi_accessible_get_interfaces (AtspiAccessible *obj)
1236 GArray *ret = g_array_new (TRUE, TRUE, sizeof (gchar *));
1241 g_return_val_if_fail (obj != NULL, NULL);
1243 if (atspi_accessible_is_action (obj))
1244 append_const_val (ret, "Action");
1245 if (atspi_accessible_is_collection (obj))
1246 append_const_val (ret, "Collection");
1247 if (atspi_accessible_is_component (obj))
1248 append_const_val (ret, "Component");
1249 if (atspi_accessible_is_document (obj))
1250 append_const_val (ret, "Document");
1251 if (atspi_accessible_is_editable_text (obj))
1252 append_const_val (ret, "EditableText");
1253 if (atspi_accessible_is_hypertext (obj))
1254 append_const_val (ret, "Hypertext");
1255 if (atspi_accessible_is_image (obj))
1256 append_const_val (ret, "Image");
1257 if (atspi_accessible_is_selection (obj))
1258 append_const_val (ret, "Selection");
1259 if (atspi_accessible_is_table (obj))
1260 append_const_val (ret, "Table");
1261 if (atspi_accessible_is_text (obj))
1262 append_const_val (ret, "Text");
1263 if (atspi_accessible_is_value (obj))
1264 append_const_val (ret, "Value");
1270 atspi_accessible_new (AtspiApplication *app, const gchar *path)
1272 AtspiAccessible *accessible;
1274 accessible = g_object_new (ATSPI_TYPE_ACCESSIBLE, NULL);
1275 g_return_val_if_fail (accessible != NULL, NULL);
1277 accessible->parent.app = g_object_ref (app);
1278 accessible->parent.path = g_strdup (path);