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"
27 G_DEFINE_TYPE (AtspiMatchRule, atspi_match_rule, G_TYPE_OBJECT)
30 atspi_match_rule_init (AtspiMatchRule *match_rule)
35 atspi_match_rule_dispose (GObject *object)
37 AtspiMatchRule *rule = ATSPI_MATCH_RULE (object);
41 g_object_unref (rule->states);
47 g_hash_table_unref (rule->attributes);
48 rule->attributes = NULL;
51 G_OBJECT_CLASS (atspi_match_rule_parent_class)->dispose (object);
55 atspi_match_rule_finalize (GObject *object)
57 AtspiMatchRule *rule = ATSPI_MATCH_RULE (object);
59 /* TODO: Check that interfaces don't leak */
61 g_array_free (rule->interfaces, TRUE);
64 g_hash_table_unref (rule->attributes);
66 G_OBJECT_CLASS (atspi_match_rule_parent_class)->finalize (object);
70 atspi_match_rule_class_init (AtspiMatchRuleClass *klass)
72 GObjectClass *object_class = G_OBJECT_CLASS (klass);
74 object_class->dispose = atspi_match_rule_dispose;
75 object_class->finalize = atspi_match_rule_finalize;
79 * atspi_match_rule_new:
81 * @states: An #AtspiStateSet specifying the states to match or NULL if none.
83 * @statematchtype: An #AtspiCollectionMatchType specifying how to interpret
86 * @attributes: (element-type gchar* gchar*): A #GHashTable specifying
87 * attributes to match.
89 * @attributematchtype: An #AtspiCollectionMatchType specifying how to
90 * interpret @attributes.
92 * @interfaces: (element-type gchar*): An array of interfaces to match, or
93 * NULL if not applicable. Interface names should be specified
94 * by their DBus names (org.a11y.Atspi.Accessible,
95 * org.a11y.Atspi.Component, etc).
97 * @interfacematchtype: An #AtspiCollectionMatchType specifying how to
98 * interpret @interfaces.
100 * @roles: (element-type AtspiRole): A #GArray of roles to match, or NULL if
103 * @rolematchtype: An #AtspiCollectionMatchType specifying how to
106 * @invert: if #TRUE, the match rule should be denied (inverted); if #FALSE,
107 * it should not. For example, if the match rule defines that a match is
108 * an object of ROLE_HEADING which has STATE_FOCUSABLE and a click action,
109 * inverting it would match all objects that are not of ROLE_HEADING,
110 * focusable and clickable at the same time.
112 * Creates a new #AtspiMatchRule with specified @states, @attributes,
113 * @interfaces, and @roles.
115 * Returns: (transfer full): A new #AtspiMatchRule.
118 atspi_match_rule_new (AtspiStateSet *states,
119 AtspiCollectionMatchType statematchtype,
120 GHashTable *attributes,
121 AtspiCollectionMatchType attributematchtype,
123 AtspiCollectionMatchType rolematchtype,
125 AtspiCollectionMatchType interfacematchtype,
128 AtspiMatchRule *rule = g_object_new (ATSPI_TYPE_MATCH_RULE, NULL);
135 rule->states = g_object_ref (states);
136 rule->statematchtype = statematchtype;
140 GHashTableIter hash_table_iter;
142 rule->attributes = g_hash_table_new_full (g_str_hash, g_str_equal,
143 (GDestroyNotify) g_free,
144 (GDestroyNotify) g_free);
145 g_hash_table_iter_init (&hash_table_iter, attributes);
146 while (g_hash_table_iter_next (&hash_table_iter, (gpointer *)&key,
148 g_hash_table_insert (rule->attributes, g_strdup (key), g_strdup (value));
150 rule->attributes = NULL;
151 rule->attributematchtype = attributematchtype;
154 rule->interfaces = g_array_ref (interfaces);
155 rule->interfacematchtype = interfacematchtype;
159 for (i = 0; i < roles->len; i++)
161 AtspiRole role = g_array_index (roles, AtspiRole, i);
163 rule->roles [role / 32] |= (1 << (role % 32));
165 g_warning ("Atspi: unexpected role %d\n", role);
169 rule->roles [0] = rule->roles [1] = 0;
170 rule->rolematchtype = rolematchtype;
172 rule->invert = invert;
178 append_entry (gpointer key, gpointer val, gpointer data)
180 DBusMessageIter *iter = data;
181 DBusMessageIter iter_entry;
183 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_DICT_ENTRY, NULL,
186 dbus_message_iter_append_basic (&iter_entry, DBUS_TYPE_STRING, &key);
187 dbus_message_iter_append_basic (&iter_entry, DBUS_TYPE_STRING, &val);
188 dbus_message_iter_close_container (iter, &iter_entry);
192 _atspi_match_rule_marshal (AtspiMatchRule *rule, DBusMessageIter *iter)
194 DBusMessageIter iter_struct, iter_array, iter_dict;
195 dbus_int32_t states [2];
196 dbus_int32_t d_statematchtype = rule->statematchtype;
197 dbus_int32_t d_attributematchtype = rule->attributematchtype;
198 dbus_int32_t d_interfacematchtype = rule->interfacematchtype;
199 dbus_uint32_t d_rolematchtype = rule->rolematchtype;
200 dbus_bool_t d_invert = rule->invert;
204 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
211 states [0] = rule->states->states & 0xffffffff;
212 states [1] = rule->states->states >> 32;
216 states [0] = states [1] = 0;
218 dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "i", &iter_array);
219 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &states [0]);
220 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &states [1]);
221 dbus_message_iter_close_container (&iter_struct, &iter_array);
222 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &d_statematchtype);
225 if (!dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "{ss}",
228 g_hash_table_foreach (rule->attributes, append_entry, &iter_dict);
229 dbus_message_iter_close_container (&iter_struct, &iter_dict);
230 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &d_attributematchtype);
232 if (!dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "i",
235 d_role = rule->roles [0];
236 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &d_role);
237 d_role = rule->roles [1];
238 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &d_role);
239 d_role = rule->roles [2];
240 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &d_role);
241 d_role = rule->roles [3];
242 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &d_role);
243 dbus_message_iter_close_container (&iter_struct, &iter_array);
244 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32,
248 if (!dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "s",
251 if (rule->interfaces)
253 for (i = 0; i < rule->interfaces->len; i++)
255 char *val = g_array_index (rule->interfaces, gchar *, i);
256 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &val);
259 dbus_message_iter_close_container (&iter_struct, &iter_array);
260 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &d_interfacematchtype);
262 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_BOOLEAN, &d_invert);
264 dbus_message_iter_close_container (iter, &iter_struct);