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/*
* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
* Copyright 2001, 2002 Sun Microsystems Inc.,
* Copyright 2001, 2002 Ximian, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "atspi-private.h"
G_DEFINE_TYPE (AtspiMatchRule, atspi_match_rule, G_TYPE_OBJECT)
static void
atspi_match_rule_init (AtspiMatchRule *match_rule)
{
}
static void
atspi_match_rule_finalize (GObject *obj)
{
AtspiMatchRule *rule = ATSPI_MATCH_RULE (obj);
if (rule->states)
g_object_unref (rule->states);
if (rule->attributes)
g_hash_table_unref (rule->attributes);
if (rule->roles)
g_array_free (rule->roles, TRUE);
/* TODO: Check that interfaces don't leak */
if (rule->interfaces)
g_array_free (rule->interfaces, TRUE);
}
static void
atspi_match_rule_class_init (AtspiMatchRuleClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = atspi_match_rule_finalize;
}
/**
* atspi_match_rule_new:
*
* @states: An #AtspiStateSet specifying the states to match or NULL if none.
* @statematchtype: An #AtspiCollectionMatchType specifying how to interpret
* @states.
* @attributes: (element-type gchar* gchar*): A #GHashTable specifying
* attributes to match.
* @attributematchtype: An #AtspiCollectionMatchType specifying how to
* interpret @attributes.
* @roles: (element-type AtspiRole): A #GArray of roles to match, or NULL if
* not applicable.
* @interfaces: (element-type gchar*): An array of interfaces to match, or
* NUL if not appliable. Interface names should be specified
* by their DBus names (org.a11y.Atspi.Accessible,
* org.a11y.Atspi.Component, etc).
* @interfacematchtype: An #AtspiCollectionMatchType specifying how to
* interpret @interfaces.
* @invert: Specifies whether results should be inverted.
* TODO: Document this parameter better.
*
* Returns: (transfer full): A new #AtspiMatchRule.
*/
AtspiMatchRule *
atspi_match_rule_new (AtspiStateSet *states,
AtspiCollectionMatchType statematchtype,
GHashTable *attributes,
AtspiCollectionMatchType attributematchtype,
GArray *roles,
AtspiCollectionMatchType rolematchtype,
gboolean invert)
{
AtspiMatchRule *rule = g_object_new (ATSPI_TYPE_MATCH_RULE, NULL);
if (!rule)
return NULL;
if (states)
rule->states = g_object_ref (states);
rule->statematchtype = statematchtype;
if (attributes)
rule->attributes = g_object_ref (attributes);
rule->attributematchtype = attributematchtype;
if (roles)
rule->roles = g_array_ref(roles);
rule->rolematchtype = rolematchtype;
rule->invert = invert;
return rule;
}
static void
append_entry (gpointer *key, gpointer *val, gpointer data)
{
DBusMessageIter *iter = data;
DBusMessageIter iter_entry;
if (!dbus_message_iter_open_container (iter, DBUS_TYPE_DICT_ENTRY, NULL,
&iter_entry))
return;
dbus_message_iter_append_basic (&iter_entry, DBUS_TYPE_STRING, &key);
dbus_message_iter_append_basic (&iter_entry, DBUS_TYPE_STRING, &val);
dbus_message_iter_close_container (iter, &iter_entry);
}
gboolean
_atspi_match_rule_marshal (AtspiMatchRule *rule, DBusMessageIter *iter)
{
DBusMessageIter iter_struct, iter_array, iter_dict;
dbus_int32_t states [2];
dbus_int32_t d_statematchtype = rule->statematchtype;
dbus_int32_t d_attributematchtype = rule->attributematchtype;
dbus_int32_t d_interfacematchtype = rule->interfacematchtype;
dbus_uint32_t d_rolematchtype = rule->rolematchtype;
dbus_bool_t d_invert = rule->invert;
gint i;
if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, "(aiiasiaiisib)",
&iter_struct))
return FALSE;
/* states */
if (rule->states)
{
states [0] = rule->states->states & 0xffffffff;
states [1] = rule->states->states >> 32;
}
else
{
states [0] = states [1] = 0;
}
dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "u", &iter_array);
dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &states [0]);
dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &states [1]);
dbus_message_iter_close_container (&iter_struct, &iter_array);
dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &d_statematchtype);
/* attributes */
if (!dbus_message_iter_open_container (iter, DBUS_TYPE_ARRAY, "{ss}",
&iter_dict))
return FALSE;
g_hash_table_foreach (rule->attributes, append_entry, &iter_dict);
dbus_message_iter_close_container (iter, &iter_dict);
dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &d_attributematchtype);
/* roles */
if (!dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "i",
&iter_array))
return FALSE;
if (rule->roles)
{
for (i = 0; i < rule->roles->len; i++)
{
dbus_int32_t d_role = g_array_index (rule->roles, AtspiRole, i);
dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_INT32, &d_role);
}
}
dbus_message_iter_close_container (&iter_struct, &iter_array);
dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32,
&d_rolematchtype);
dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_BOOLEAN, &d_invert);
dbus_message_iter_close_container (iter, &iter_struct);
return TRUE;
}
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