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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.
* Copyright 2010, 2011 Novell, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "atspi-private.h"
/**
* AtspiRelation:
*
* An interface via which non-hierarchical relationships
* are indicated.
*
* An interface via which non-hierarchical relationships
* are indicated. An instance of this interface represents
* a "one-to-many" correspondence.
*/
/**
* atspi_relation_get_relation_type:
* @obj: a pointer to the #AtspiRelation object to query.
*
* Gets the type of relationship represented by an #AtspiRelation.
*
* Returns: an #AtspiRelationType indicating the type of relation
* encapsulated in this #AtspiRelation object.
*
**/
AtspiRelationType
atspi_relation_get_relation_type (AtspiRelation *obj)
{
return obj->relation_type;
}
/**
* atspi_relation_get_n_targets:
* @obj: a pointer to the #AtspiRelation object to query.
*
* Gets the number of objects which this relationship has as its
* target objects (the subject is the #AtspiAccessible from which this
* #AtspiRelation originated).
*
* Returns: a #gint indicating how many target objects which the
* originating #AtspiAccessible object has the #AtspiRelation
* relationship with.
**/
gint
atspi_relation_get_n_targets (AtspiRelation *obj)
{
return obj->targets->len;
}
/**
* atspi_relation_get_target:
* @obj: a pointer to the #AtspiRelation object to query.
* @i: a (zero-index) #gint indicating which (of possibly several) target is requested.
*
* Gets the @i-th target of a specified #AtspiRelation relationship.
*
* Returns: (transfer full): an #AtspiAccessible which is the @i-th object
* with which the originating #AtspiAccessible has relationship
* specified in the #AtspiRelation object.
*
**/
AtspiAccessible *
atspi_relation_get_target (AtspiRelation *obj, gint i)
{
g_return_val_if_fail (obj, NULL);
g_return_val_if_fail (i >= 0 && i < obj->targets->len, NULL);
return g_object_ref (g_array_index (obj->targets, AtspiAccessible *, i));
}
AtspiRelation *
_atspi_relation_new_from_iter (DBusMessageIter *iter)
{
DBusMessageIter iter_struct, iter_array;
dbus_uint32_t d_type;
AtspiRelation *relation = g_object_new (ATSPI_TYPE_RELATION, NULL);
if (!relation)
return NULL;
dbus_message_iter_recurse (iter, &iter_struct);
dbus_message_iter_get_basic (&iter_struct, &d_type);
relation->relation_type = d_type;
dbus_message_iter_next (&iter_struct);
relation->targets = g_array_new (TRUE, TRUE, sizeof (AtspiAccessible *));
dbus_message_iter_recurse (&iter_struct, &iter_array);
while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
{
AtspiAccessible *accessible;
accessible = _atspi_dbus_consume_accessible (&iter_array);
relation->targets = g_array_append_val (relation->targets, accessible);
/* Iter was moved already, so no need to call dbus_message_iter_next */
}
return relation;
}
G_DEFINE_TYPE (AtspiRelation, atspi_relation, G_TYPE_OBJECT)
static void
atspi_relation_init (AtspiRelation *relation)
{
}
static void
atspi_relation_finalize (GObject *object)
{
AtspiRelation *relation = ATSPI_RELATION (object);
gint i;
for (i = 0; i < relation->targets->len; i++)
g_object_unref (g_array_index (relation->targets, AtspiAccessible *, i));
g_array_free (relation->targets, TRUE);
G_OBJECT_CLASS (atspi_relation_parent_class)->finalize (object);
}
static void
atspi_relation_class_init (AtspiRelationClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = atspi_relation_finalize;
}
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