2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2007 IBM Corp.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
23 /* collection.c: implements the Collection interface */
28 #include <droute/droute.h>
32 #include "accessible-stateset.h"
34 #include "accessible-register.h"
36 #include "introspection.h"
38 typedef struct _MatchRulePrivate MatchRulePrivate;
39 struct _MatchRulePrivate
42 AtspiCollectionMatchType statematchtype;
43 AtkAttributeSet *attributes;
44 AtspiCollectionMatchType attributematchtype;
46 AtspiCollectionMatchType rolematchtype;
48 AtspiCollectionMatchType interfacematchtype;
53 child_interface_p (AtkObject * child, gchar * repo_id)
55 if (!strcasecmp (repo_id, "action"))
56 return ATK_IS_ACTION (child);
57 if (!strcasecmp (repo_id, "component"))
58 return ATK_IS_COMPONENT (child);
59 if (!strcasecmp (repo_id, "editabletext"))
60 return ATK_IS_EDITABLE_TEXT (child);
61 if (!strcasecmp (repo_id, "text"))
62 return ATK_IS_TEXT (child);
63 if (!strcasecmp (repo_id, "hypertext"))
64 return ATK_IS_HYPERTEXT (child);
65 if (!strcasecmp (repo_id, "image"))
66 return ATK_IS_IMAGE (child);
67 if (!strcasecmp (repo_id, "selection"))
68 return ATK_IS_SELECTION (child);
69 if (!strcasecmp (repo_id, "table"))
70 return ATK_IS_TABLE (child);
71 if (!strcasecmp (repo_id, "value"))
72 return ATK_IS_VALUE (child);
73 if (!strcasecmp (repo_id, "streamablecontent"))
74 return ATK_IS_STREAMABLE_CONTENT (child);
75 if (!strcasecmp (repo_id, "document"))
76 return ATK_IS_DOCUMENT (child);
80 #define child_collection_p(ch) (TRUE)
83 match_states_all_p (AtkObject * child, gint * set)
89 if (set == NULL || set[0] == BITARRAY_SEQ_TERM)
92 chs = atk_object_ref_state_set (child);
94 // TODO: use atk-state_set_contains_states; would be more efficient
95 for (i = 0; set[i] != BITARRAY_SEQ_TERM; i++)
97 if (!atk_state_set_contains_state (chs, set[i]))
104 g_object_unref (chs);
109 match_states_any_p (AtkObject * child, gint * set)
113 gboolean ret = FALSE;
115 if (set == NULL || set[0] == BITARRAY_SEQ_TERM)
118 chs = atk_object_ref_state_set (child);
120 for (i = 0; set[i] != BITARRAY_SEQ_TERM; i++)
122 if (!atk_state_set_contains_state (chs, set[i]))
129 g_object_unref (chs);
134 match_states_none_p (AtkObject * child, gint * set)
140 if (set == NULL || set[0] == BITARRAY_SEQ_TERM)
143 chs = atk_object_ref_state_set (child);
145 for (i = 0; set[i] != BITARRAY_SEQ_TERM; i++)
147 if (atk_state_set_contains_state (chs, set[i]))
154 g_object_unref (chs);
158 // TODO: need to convert at-spi roles/states to atk roles/states */
160 match_states_lookup (AtkObject * child, MatchRulePrivate * mrp)
162 switch (mrp->statematchtype)
164 case ATSPI_Collection_MATCH_ALL:
165 if (match_states_all_p (child, mrp->states))
169 case ATSPI_Collection_MATCH_ANY:
170 if (match_states_any_p (child, mrp->states))
174 case ATSPI_Collection_MATCH_NONE:
175 if (match_states_none_p (child, mrp->states))
186 // TODO: Map at-spi -> atk roles at mrp creation instead of doing this;
187 // would be more efficient
188 #define spi_get_role(obj) spi_accessible_role_from_atk_role(atk_object_get_role(obj))
191 match_roles_all_p (AtkObject * child, gint * roles)
193 if (roles == NULL || roles[0] == BITARRAY_SEQ_TERM)
195 else if (roles[1] != BITARRAY_SEQ_TERM)
198 return (atk_object_get_role (child) == roles[0]);
203 match_roles_any_p (AtkObject * child, gint * roles)
208 if (roles == NULL || roles[0] == BITARRAY_SEQ_TERM)
211 role = spi_accessible_role_from_atk_role (atk_object_get_role (child));
213 for (i = 0; roles[i] != BITARRAY_SEQ_TERM; i++)
214 if (role == roles[i])
221 match_roles_none_p (AtkObject * child, gint * roles)
226 if (roles == NULL || roles[0] == BITARRAY_SEQ_TERM)
229 role = atk_object_get_role (child);
231 for (i = 0; roles[i] != BITARRAY_SEQ_TERM; i++)
232 if (role == roles[i])
239 match_roles_lookup (AtkObject * child, MatchRulePrivate * mrp)
241 switch (mrp->rolematchtype)
243 case ATSPI_Collection_MATCH_ALL:
244 if (match_roles_all_p (child, mrp->roles))
248 case ATSPI_Collection_MATCH_ANY:
249 if (match_roles_any_p (child, mrp->roles))
253 case ATSPI_Collection_MATCH_NONE:
254 if (match_roles_none_p (child, mrp->roles))
266 match_interfaces_all_p (AtkObject * obj, gchar ** ifaces)
273 for (i = 0; ifaces[i]; i++)
274 if (!child_interface_p (obj, ifaces[i]))
282 match_interfaces_any_p (AtkObject * obj, gchar ** ifaces)
290 for (i = 0; ifaces[i]; i++)
291 if (child_interface_p (obj, ifaces[i]))
299 match_interfaces_none_p (AtkObject * obj, gchar ** ifaces)
303 for (i = 0; ifaces[i]; i++)
304 if (child_interface_p (obj, ifaces[i]))
311 match_interfaces_lookup (AtkObject * child, MatchRulePrivate * mrp)
313 switch (mrp->interfacematchtype)
316 case ATSPI_Collection_MATCH_ALL:
317 if (match_interfaces_all_p (child, mrp->ifaces))
321 case ATSPI_Collection_MATCH_ANY:
322 if (match_interfaces_any_p (child, mrp->ifaces))
326 case ATSPI_Collection_MATCH_NONE:
327 if (match_interfaces_none_p (child, mrp->ifaces))
338 #define split_attributes(attributes) (g_strsplit (attributes, ";", 0))
341 match_attributes_all_p (AtkObject * child, AtkAttributeSet * attributes)
345 gint length, oa_length;
346 gboolean flag = FALSE;
348 if (attributes == NULL || g_slist_length (attributes) == 0)
351 oa = atk_object_get_attributes (child);
352 length = g_slist_length (attributes);
353 oa_length = g_slist_length (oa);
355 for (i = 0; i < length; i++)
357 AtkAttribute *attr = g_slist_nth_data (attributes, i);
358 for (k = 0; k < oa_length; k++)
360 AtkAttribute *oa_attr = g_slist_nth_data (attributes, i);
361 if (!g_ascii_strcasecmp (oa_attr->name, attr->name) &&
362 !g_ascii_strcasecmp (oa_attr->value, attr->value))
372 atk_attribute_set_free (oa);
376 atk_attribute_set_free (oa);
381 match_attributes_any_p (AtkObject * child, AtkAttributeSet * attributes)
386 gint length, oa_length;
388 length = g_slist_length (attributes);
392 oa = atk_object_get_attributes (child);
393 oa_length = g_slist_length (oa);
395 for (i = 0; i < length; i++)
397 AtkAttribute *attr = g_slist_nth_data (attributes, i);
398 for (k = 0; k < oa_length; k++)
400 AtkAttribute *oa_attr = g_slist_nth_data (oa, k);
401 if (!g_ascii_strcasecmp (oa_attr->name, attr->name) &&
402 !g_ascii_strcasecmp (oa_attr->value, attr->value))
404 atk_attribute_set_free (oa);
409 atk_attribute_set_free (oa);
414 match_attributes_none_p (AtkObject * child, AtkAttributeSet * attributes)
419 gint length, oa_length;
421 length = g_slist_length (attributes);
425 oa = atk_object_get_attributes (child);
426 oa_length = g_slist_length (oa);
428 for (i = 0; i < length; i++)
430 AtkAttribute *attr = g_slist_nth_data (attributes, i);
431 for (k = 0; k < oa_length; k++)
433 AtkAttribute *oa_attr = g_slist_nth_data (attributes, i);
434 if (!g_ascii_strcasecmp (oa_attr->name, attr->name) &&
435 !g_ascii_strcasecmp (oa_attr->value, attr->value))
437 atk_attribute_set_free (oa);
442 atk_attribute_set_free (oa);
447 match_attributes_lookup (AtkObject * child, MatchRulePrivate * mrp)
449 switch (mrp->attributematchtype)
452 case ATSPI_Collection_MATCH_ALL:
453 if (match_attributes_all_p (child, mrp->attributes))
457 case ATSPI_Collection_MATCH_ANY:
458 if (match_attributes_any_p (child, mrp->attributes))
462 case ATSPI_Collection_MATCH_NONE:
463 if (match_attributes_none_p (child, mrp->attributes))
474 traverse_p (AtkObject * child, const gboolean traverse)
479 return !child_collection_p (child);
483 sort_order_canonical (MatchRulePrivate * mrp, GList * ls,
484 gint kount, gint max,
485 AtkObject * obj, glong index, gboolean flag,
486 AtkObject * pobj, gboolean recurse, gboolean traverse)
489 glong acount = atk_object_get_n_accessible_children (obj);
490 gboolean prev = pobj ? TRUE : FALSE;
492 for (; i < acount && (max == 0 || kount < max); i++)
494 AtkObject *child = atk_object_ref_accessible_child (obj, i);
496 g_object_unref (child);
497 if (prev && child == pobj)
502 if (flag && match_interfaces_lookup (child, mrp)
503 && match_states_lookup (child, mrp)
504 && match_roles_lookup (child, mrp)
505 && match_attributes_lookup (child, mrp))
508 ls = g_list_append (ls, child);
515 if (recurse && traverse_p (child, traverse))
516 kount = sort_order_canonical (mrp, ls, kount,
518 pobj, recurse, traverse);
524 sort_order_rev_canonical (MatchRulePrivate * mrp, GList * ls,
525 gint kount, gint max,
526 AtkObject * obj, gboolean flag, AtkObject * pobj)
532 /* This breaks us out of the recursion. */
533 if (!obj || obj == pobj)
538 /* Add to the list if it matches */
539 if (flag && match_interfaces_lookup (obj, mrp)
540 && match_states_lookup (obj, mrp)
541 && match_roles_lookup (obj, mrp) && match_attributes_lookup (obj, mrp)
542 && (max == 0 || kount < max))
544 ls = g_list_append (ls, obj);
551 /* Get the current nodes index in it's parent and the parent object. */
552 indexinparent = atk_object_get_index_in_parent (obj);
553 parent = atk_object_get_parent (obj);
555 if (indexinparent > 0 && (max == 0 || kount < max))
557 /* there are still some siblings to visit so get the previous sibling
558 and get it's last descendant.
559 First, get the previous sibling */
560 nextobj = atk_object_ref_accessible_child (parent, indexinparent - 1);
561 g_object_unref (nextobj);
563 /* Now, drill down the right side to the last descendant */
564 while (atk_object_get_n_accessible_children (nextobj) > 0)
566 nextobj = atk_object_ref_accessible_child (nextobj,
567 atk_object_get_n_accessible_children
569 g_object_unref (nextobj);
571 /* recurse with the last descendant */
572 kount = sort_order_rev_canonical (mrp, ls, kount, max,
573 nextobj, TRUE, pobj);
575 else if (max == 0 || kount < max)
577 /* no more siblings so next node must be the parent */
578 kount = sort_order_rev_canonical (mrp, ls, kount, max,
586 query_exec (MatchRulePrivate * mrp, AtspiCollectionSortOrder sortby,
587 GList * ls, gint kount, gint max,
588 AtkObject * obj, glong index,
590 AtkObject * pobj, gboolean recurse, gboolean traverse)
594 case ATSPI_Collection_SORT_ORDER_CANONICAL:
595 kount = sort_order_canonical (mrp, ls, 0, max, obj, index, flag,
596 pobj, recurse, traverse);
598 case ATSPI_Collection_SORT_ORDER_REVERSE_CANONICAL:
599 kount = sort_order_canonical (mrp, ls, 0, max, obj, index, flag,
600 pobj, recurse, traverse);
604 g_warning ("Sort method not implemented yet");
612 bitarray_to_seq (int *array, int array_count, int **ret)
617 int *out = (int *) g_malloc (out_size * sizeof (int));
621 for (i = 0; i < array_count; i++)
623 for (j = 0; j < 32; j++)
625 if (array[i] & (1 << j))
627 if (out_count == out_size - 2)
630 out = (int *) g_realloc (out, out_size * sizeof (int));
634 out[out_count++] = i * 32 + j;
638 out[out_count] = BITARRAY_SEQ_TERM;
645 read_mr (DBusMessageIter * iter, MatchRulePrivate * mrp)
647 DBusMessageIter iter_struct, iter_array, iter_dict, iter_dict_entry;
648 dbus_uint32_t *array;
649 dbus_int32_t matchType;
654 char *interfaces = NULL;
656 dbus_message_iter_recurse (iter, &iter_struct);
659 dbus_message_iter_recurse (&iter_struct, &iter_array);
660 dbus_message_iter_get_fixed_array (&iter_array, &array, &array_count);
661 bitarray_to_seq (array, array_count, &mrp->states);
662 for (i = 0; mrp->states[i] != BITARRAY_SEQ_TERM; i++)
664 mrp->states[i] = spi_atk_state_from_spi_state (mrp->states[i]);
666 dbus_message_iter_next (&iter_struct);
667 dbus_message_iter_get_basic (&iter_struct, &matchType);
668 dbus_message_iter_next (&iter_struct);
669 mrp->statematchtype = matchType;;
672 mrp->attributes = NULL;
673 dbus_message_iter_recurse (&iter_struct, &iter_dict);
674 while (dbus_message_iter_get_arg_type (&iter_dict) != DBUS_TYPE_INVALID)
676 const char *key, *val;
677 dbus_message_iter_recurse (&iter_dict, &iter_dict_entry);
678 dbus_message_iter_get_basic (&iter_dict_entry, &key);
679 dbus_message_iter_next (&iter_dict_entry);
680 dbus_message_iter_get_basic (&iter_dict_entry, &val);
681 attr = g_new (AtkAttribute, 1);
682 attr->name = g_strdup (key);
683 attr->value = g_strdup (val);
684 mrp->attributes = g_slist_prepend (mrp->attributes, attr);
685 dbus_message_iter_next (&iter_dict);
687 dbus_message_iter_next (&iter_struct);
688 dbus_message_iter_get_basic (&iter_struct, &matchType);
689 mrp->attributematchtype = matchType;;
690 dbus_message_iter_next (&iter_struct);
692 /* Get roles and role match */
693 dbus_message_iter_recurse (&iter_struct, &iter_array);
694 dbus_message_iter_get_fixed_array (&iter_array, &array, &array_count);
695 bitarray_to_seq (array, array_count, &mrp->roles);
696 dbus_message_iter_next (&iter_struct);
697 dbus_message_iter_get_basic (&iter_struct, &matchType);
698 mrp->rolematchtype = matchType;;
699 dbus_message_iter_next (&iter_struct);
701 /* Get interfaces and interface match */
702 dbus_message_iter_recurse (&iter_struct, &iter_array);
703 mrp->ifaces = g_new0 (gchar *, 16);
705 while (i < 15 && dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
708 dbus_message_iter_get_basic (&iter_array, &iface);
709 mrp->ifaces [i] = g_strdup (iface);
711 dbus_message_iter_next (&iter_array);
713 dbus_message_iter_next (&iter_struct);
714 dbus_message_iter_get_basic (&iter_struct, &matchType);
715 mrp->interfacematchtype = matchType;;
716 dbus_message_iter_next (&iter_struct);
718 dbus_message_iter_get_basic (&iter_struct, &mrp->invert);
719 dbus_message_iter_next (iter);
724 return_and_free_list (DBusMessage * message, GList * ls)
727 DBusMessageIter iter, iter_array;
730 reply = dbus_message_new_method_return (message);
733 dbus_message_iter_init_append (reply, &iter);
734 if (!dbus_message_iter_open_container
735 (&iter, DBUS_TYPE_ARRAY, "(so)", &iter_array))
737 for (item = ls; item; item = g_list_next (item))
739 spi_object_append_reference (&iter_array, ATK_OBJECT (item->data));
741 if (!dbus_message_iter_close_container (&iter, &iter_array))
746 // TODO: Handle out of memory
752 free_mrp_data (MatchRulePrivate * mrp)
754 g_free (mrp->states);
755 atk_attribute_set_free (mrp->attributes);
757 g_strfreev (mrp->ifaces);
761 GetMatchesFrom (DBusMessage * message,
762 AtkObject * current_object,
763 MatchRulePrivate * mrp,
764 const AtspiCollectionSortOrder sortby,
765 const dbus_bool_t isrestrict,
766 dbus_int32_t count, const dbus_bool_t traverse)
770 glong index = atk_object_get_index_in_parent (current_object);
773 ls = g_list_append (ls, current_object);
777 parent = atk_object_get_parent (current_object);
778 kount = query_exec (mrp, sortby, ls, 0, count, parent, index,
779 FALSE, NULL, TRUE, traverse);
782 kount = query_exec (mrp, sortby, ls, 0, count,
783 current_object, 0, FALSE, NULL, TRUE, traverse);
785 ls = g_list_remove (ls, ls->data);
787 if (sortby == ATSPI_Collection_SORT_ORDER_REVERSE_CANONICAL)
788 ls = g_list_reverse (ls);
791 return return_and_free_list (message, ls);
795 inorder traversal from a given object in the hierarchy
799 inorder (AtkObject * collection, MatchRulePrivate * mrp,
800 GList * ls, gint kount, gint max,
802 gboolean flag, AtkObject * pobj, dbus_bool_t traverse)
806 /* First, look through the children recursively. */
807 kount = sort_order_canonical (mrp, ls, kount, max, obj, 0, TRUE,
810 /* Next, we look through the right subtree */
811 while ((max == 0 || kount < max) && obj != collection)
813 AtkObject *parent = atk_object_get_parent (obj);
814 i = atk_object_get_index_in_parent (obj);
815 kount = sort_order_canonical (mrp, ls, kount, max, parent,
816 i + 1, TRUE, FALSE, TRUE, TRUE);
820 if (max == 0 || kount < max)
822 kount = sort_order_canonical (mrp, ls, kount, max,
823 obj, i + 1, TRUE, FALSE, TRUE, TRUE);
830 GetMatchesInOrder: get matches from a given object in an inorder traversal.
834 GetMatchesInOrder (DBusMessage * message,
835 AtkObject * current_object,
836 MatchRulePrivate * mrp,
837 const AtspiCollectionSortOrder sortby,
838 const dbus_bool_t recurse,
839 dbus_int32_t count, const dbus_bool_t traverse)
845 ls = g_list_append (ls, current_object);
847 obj = ATK_OBJECT(spi_register_path_to_object (spi_global_register, dbus_message_get_path (message)));
849 kount = inorder (obj, mrp, ls, 0, count,
850 current_object, TRUE, NULL, traverse);
852 ls = g_list_remove (ls, ls->data);
854 if (sortby == ATSPI_Collection_SORT_ORDER_REVERSE_CANONICAL)
855 ls = g_list_reverse (ls);
858 return return_and_free_list (message, ls);
862 GetMatchesInBackOrder: get matches from a given object in a
863 reverse order traversal.
867 GetMatchesInBackOrder (DBusMessage * message,
868 AtkObject * current_object,
869 MatchRulePrivate * mrp,
870 const AtspiCollectionSortOrder sortby,
874 AtkObject *collection;
877 ls = g_list_append (ls, current_object);
879 collection = ATK_OBJECT(spi_register_path_to_object (spi_global_register, dbus_message_get_path (message)));
881 kount = sort_order_rev_canonical (mrp, ls, 0, count, current_object,
884 ls = g_list_remove (ls, ls->data);
886 if (sortby == ATSPI_Collection_SORT_ORDER_REVERSE_CANONICAL)
887 ls = g_list_reverse (ls);
890 return return_and_free_list (message, ls);
894 GetMatchesTo (DBusMessage * message,
895 AtkObject * current_object,
896 MatchRulePrivate * mrp,
897 const AtspiCollectionSortOrder sortby,
898 const dbus_bool_t recurse,
899 const dbus_bool_t isrestrict,
900 dbus_int32_t count, const dbus_bool_t traverse)
905 ls = g_list_append (ls, current_object);
909 obj = ATK_OBJECT (atk_object_get_parent (current_object));
910 kount = query_exec (mrp, sortby, ls, 0, count,
911 obj, 0, TRUE, current_object, TRUE, traverse);
915 obj = ATK_OBJECT (spi_register_path_to_object (spi_global_register, dbus_message_get_path (message)));
916 kount = query_exec (mrp, sortby, ls, 0, count,
917 obj, 0, TRUE, current_object, TRUE, traverse);
921 ls = g_list_remove (ls, ls->data);
923 if (sortby != ATSPI_Collection_SORT_ORDER_REVERSE_CANONICAL)
924 ls = g_list_reverse (ls);
927 return return_and_free_list (message, ls);
931 impl_GetMatchesFrom (DBusConnection * bus, DBusMessage * message,
934 char *current_object_path = NULL;
935 AtkObject *current_object;
936 DBusMessageIter iter;
937 MatchRulePrivate rule;
938 dbus_uint32_t sortby;
941 dbus_bool_t traverse;
943 const char *signature;
945 signature = dbus_message_get_signature (message);
946 if (strcmp (signature, "o(aiia{ss}iaiiasib)uuib") != 0)
948 return droute_invalid_arguments_error (message);
951 dbus_message_iter_init (message, &iter);
952 dbus_message_iter_get_basic (&iter, ¤t_object_path);
953 current_object = ATK_OBJECT (spi_register_path_to_object (spi_global_register, current_object_path));
956 // TODO: object-not-found error
957 return spi_dbus_general_error (message);
959 dbus_message_iter_next (&iter);
960 if (!read_mr (&iter, &rule))
962 return spi_dbus_general_error (message);
964 dbus_message_iter_get_basic (&iter, &sortby);
965 dbus_message_iter_next (&iter);
966 dbus_message_iter_get_basic (&iter, &tree);
967 dbus_message_iter_next (&iter);
968 dbus_message_iter_get_basic (&iter, &count);
969 dbus_message_iter_next (&iter);
970 dbus_message_iter_get_basic (&iter, &traverse);
971 dbus_message_iter_next (&iter);
975 case ATSPI_Collection_TREE_RESTRICT_CHILDREN:
976 return GetMatchesFrom (message, current_object,
977 &rule, sortby, TRUE, count, traverse);
979 case ATSPI_Collection_TREE_RESTRICT_SIBLING:
980 return GetMatchesFrom (message, current_object,
981 &rule, sortby, FALSE, count, traverse);
983 case ATSPI_Collection_TREE_INORDER:
984 return GetMatchesInOrder (message, current_object,
985 &rule, sortby, TRUE, count, traverse);
993 impl_GetMatchesTo (DBusConnection * bus, DBusMessage * message,
996 char *current_object_path = NULL;
997 AtkObject *current_object;
998 DBusMessageIter iter;
999 MatchRulePrivate rule;
1000 dbus_uint32_t sortby;
1002 dbus_bool_t recurse;
1004 dbus_bool_t traverse;
1006 const char *signature;
1008 signature = dbus_message_get_signature (message);
1009 if (strcmp (signature, "o(aiia{ss}iaiiasib)uubib") != 0)
1011 return droute_invalid_arguments_error (message);
1014 dbus_message_iter_init (message, &iter);
1015 dbus_message_iter_get_basic (&iter, ¤t_object_path);
1016 current_object = ATK_OBJECT (spi_register_path_to_object (spi_global_register, current_object_path));
1017 if (!current_object)
1019 // TODO: object-not-found error
1020 return spi_dbus_general_error (message);
1022 dbus_message_iter_next (&iter);
1023 if (!read_mr (&iter, &rule))
1025 return spi_dbus_general_error (message);
1027 dbus_message_iter_get_basic (&iter, &sortby);
1028 dbus_message_iter_next (&iter);
1029 dbus_message_iter_get_basic (&iter, &tree);
1030 dbus_message_iter_next (&iter);
1031 dbus_message_iter_get_basic (&iter, &recurse);
1032 dbus_message_iter_next (&iter);
1033 dbus_message_iter_get_basic (&iter, &count);
1034 dbus_message_iter_next (&iter);
1035 dbus_message_iter_get_basic (&iter, &traverse);
1036 dbus_message_iter_next (&iter);
1040 case ATSPI_Collection_TREE_RESTRICT_CHILDREN:
1041 return GetMatchesTo (message, current_object,
1042 &rule, sortby, recurse, TRUE, count, traverse);
1044 case ATSPI_Collection_TREE_RESTRICT_SIBLING:
1045 return GetMatchesTo (message, current_object,
1046 &rule, sortby, recurse, FALSE, count, traverse);
1048 case ATSPI_Collection_TREE_INORDER:
1049 return GetMatchesInBackOrder (message, current_object,
1050 &rule, sortby, count);
1057 static DBusMessage *
1058 impl_GetMatches (DBusConnection * bus, DBusMessage * message, void *user_data)
1060 AtkObject *obj = ATK_OBJECT (spi_register_path_to_object (spi_global_register, dbus_message_get_path (message)));
1061 DBusMessageIter iter;
1062 MatchRulePrivate rule;
1063 dbus_uint32_t sortby;
1065 dbus_bool_t traverse;
1067 const char *signature;
1069 signature = dbus_message_get_signature (message);
1070 if (strcmp (signature, "(aiia{ss}iaiiasib)uib") != 0)
1072 return droute_invalid_arguments_error (message);
1075 dbus_message_iter_init (message, &iter);
1076 if (!read_mr (&iter, &rule))
1078 return spi_dbus_general_error (message);
1080 dbus_message_iter_get_basic (&iter, &sortby);
1081 dbus_message_iter_next (&iter);
1082 dbus_message_iter_get_basic (&iter, &count);
1083 dbus_message_iter_next (&iter);
1084 dbus_message_iter_get_basic (&iter, &traverse);
1085 dbus_message_iter_next (&iter);
1086 ls = g_list_prepend (ls, obj);
1087 count = query_exec (&rule, sortby, ls, 0, count,
1088 obj, 0, TRUE, NULL, TRUE, traverse);
1089 ls = g_list_remove (ls, ls->data);
1091 if (sortby == ATSPI_Collection_SORT_ORDER_REVERSE_CANONICAL)
1092 ls = g_list_reverse (ls);
1093 free_mrp_data (&rule);
1094 return return_and_free_list (message, ls);
1097 static DRouteMethod methods[] = {
1098 {impl_GetMatchesFrom, "GetMatchesFrom"},
1099 {impl_GetMatchesTo, "GetMatchesTo"},
1100 {impl_GetMatches, "GetMatches"},
1105 spi_initialize_collection (DRoutePath * path)
1107 droute_path_add_interface (path,
1108 ATSPI_DBUS_INTERFACE_COLLECTION, spi_org_a11y_atspi_Collection, methods, NULL);