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:
80 * @states: An #AtspiStateSet specifying the states to match or NULL if none.
81 * @statematchtype: An #AtspiCollectionMatchType specifying how to interpret
83 * @attributes: (element-type gchar* gchar*): A #GHashTable specifying
84 * attributes to match.
85 * @attributematchtype: An #AtspiCollectionMatchType specifying how to
86 * interpret @attributes.
87 * @interfaces: (element-type gchar*): An array of interfaces to match, or
88 * NULL if not applicable. Interface names should be specified
89 * by their DBus names (org.a11y.Atspi.Accessible,
90 * org.a11y.Atspi.Component, etc).
91 * @interfacematchtype: An #AtspiCollectionMatchType specifying how to
92 * interpret @interfaces.
93 * @roles: (element-type AtspiRole): A #GArray of roles to match, or NULL if
95 * @rolematchtype: An #AtspiCollectionMatchType specifying how to
97 * @invert: if #TRUE, the match rule should be denied (inverted); if #FALSE,
98 * it should not. For example, if the match rule defines that a match is
99 * an object of ROLE_HEADING which has STATE_FOCUSABLE and a click action,
100 * inverting it would match all objects that are not of ROLE_HEADING,
101 * focusable and clickable at the same time.
103 * Creates a new #AtspiMatchRule with specified @states, @attributes,
104 * @interfaces, and @roles.
106 * Returns: (transfer full): A new #AtspiMatchRule.
109 atspi_match_rule_new (AtspiStateSet *states,
110 AtspiCollectionMatchType statematchtype,
111 GHashTable *attributes,
112 AtspiCollectionMatchType attributematchtype,
114 AtspiCollectionMatchType rolematchtype,
116 AtspiCollectionMatchType interfacematchtype,
119 AtspiMatchRule *rule = g_object_new (ATSPI_TYPE_MATCH_RULE, NULL);
126 rule->states = g_object_ref (states);
127 rule->statematchtype = statematchtype;
131 GHashTableIter hash_table_iter;
133 rule->attributes = g_hash_table_new_full (g_str_hash, g_str_equal,
134 (GDestroyNotify) g_free,
135 (GDestroyNotify) g_free);
136 g_hash_table_iter_init (&hash_table_iter, attributes);
137 while (g_hash_table_iter_next (&hash_table_iter, (gpointer *)&key,
139 g_hash_table_insert (rule->attributes, g_strdup (key), g_strdup (value));
141 rule->attributes = NULL;
142 rule->attributematchtype = attributematchtype;
145 rule->interfaces = g_array_ref (interfaces);
146 rule->interfacematchtype = interfacematchtype;
150 for (i = 0; i < roles->len; i++)
152 AtspiRole role = g_array_index (roles, AtspiRole, i);
154 rule->roles [role / 32] |= (1 << (role % 32));
156 g_warning ("Atspi: unexpected role %d\n", role);
160 rule->roles [0] = rule->roles [1] = 0;
161 rule->rolematchtype = rolematchtype;
163 rule->invert = invert;
169 append_entry (gpointer key, gpointer val, gpointer data)
171 DBusMessageIter *iter = data;
172 DBusMessageIter iter_entry;
174 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_DICT_ENTRY, NULL,
177 dbus_message_iter_append_basic (&iter_entry, DBUS_TYPE_STRING, &key);
178 dbus_message_iter_append_basic (&iter_entry, DBUS_TYPE_STRING, &val);
179 dbus_message_iter_close_container (iter, &iter_entry);
183 _atspi_match_rule_marshal (AtspiMatchRule *rule, DBusMessageIter *iter)
185 DBusMessageIter iter_struct, iter_array, iter_dict;
186 dbus_int32_t states [2];
187 dbus_int32_t d_statematchtype = rule->statematchtype;
188 dbus_int32_t d_attributematchtype = rule->attributematchtype;
189 dbus_int32_t d_interfacematchtype = rule->interfacematchtype;
190 dbus_uint32_t d_rolematchtype = rule->rolematchtype;
191 dbus_bool_t d_invert = rule->invert;
195 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
202 states [0] = rule->states->states & 0xffffffff;
203 states [1] = rule->states->states >> 32;
207 states [0] = states [1] = 0;
209 dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "i", &iter_array);
210 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &states [0]);
211 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &states [1]);
212 dbus_message_iter_close_container (&iter_struct, &iter_array);
213 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &d_statematchtype);
216 if (!dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "{ss}",
219 g_hash_table_foreach (rule->attributes, append_entry, &iter_dict);
220 dbus_message_iter_close_container (&iter_struct, &iter_dict);
221 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &d_attributematchtype);
223 if (!dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "i",
226 d_role = rule->roles [0];
227 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &d_role);
228 d_role = rule->roles [1];
229 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &d_role);
230 d_role = rule->roles [2];
231 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &d_role);
232 d_role = rule->roles [3];
233 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &d_role);
234 dbus_message_iter_close_container (&iter_struct, &iter_array);
235 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32,
239 if (!dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "s",
242 if (rule->interfaces)
244 for (i = 0; i < rule->interfaces->len; i++)
246 char *val = g_array_index (rule->interfaces, gchar *, i);
247 dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &val);
250 dbus_message_iter_close_container (&iter_struct, &iter_array);
251 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &d_interfacematchtype);
253 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_BOOLEAN, &d_invert);
255 dbus_message_iter_close_container (iter, &iter_struct);