152 lines
4.0 KiB
C
152 lines
4.0 KiB
C
/* CALLY - The Clutter Accessibility Implementation Library
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*
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* Copyright (C) 2008 Igalia, S.L.
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*
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* Author: Alejandro Piñeiro Iglesias <apinheiro@igalia.com>
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*
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* Based on GailContainer from GAIL
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* Copyright 2001, 2002, 2003 Sun Microsystems Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:cally-group
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* @Title: CallyGroup
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* @short_description: Implementation of the ATK interfaces for a #ClutterGroup
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* @see_also: #ClutterGroup
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*
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* #CallyGroup implements the required ATK interfaces of #ClutterGroup
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* In particular it exposes:
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*
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* <itemizedlist>
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* <listitem><simpara>Each of the Clutter actors contained in the
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* Group.</simpara></listitem>
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* </itemizedlist>
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*/
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#include "cally-group.h"
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#include "cally-actor-private.h"
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static void cally_group_class_init (CallyGroupClass *klass);
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static void cally_group_init (CallyGroup *group);
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static gint cally_group_get_n_children (AtkObject *obj);
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static AtkObject* cally_group_ref_child (AtkObject *obj,
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gint i);
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static void cally_group_real_initialize (AtkObject *obj,
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gpointer data);
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G_DEFINE_TYPE (CallyGroup, cally_group, CALLY_TYPE_ACTOR)
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static void
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cally_group_class_init (CallyGroupClass *klass)
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{
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/* GObjectClass *gobject_class = G_OBJECT_CLASS (klass); */
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AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
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class->get_n_children = cally_group_get_n_children;
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class->ref_child = cally_group_ref_child;
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class->initialize = cally_group_real_initialize;
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}
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static void
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cally_group_init (CallyGroup *group)
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{
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/* nothing to do yet */
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}
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/**
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* cally_group_new:
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* @actor: a #ClutterGroup
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*
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* Creates a #CallyGroup for @actor
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*
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* Return value: the newly created #CallyGroup
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*
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* Since: 1.4
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*/
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AtkObject *
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cally_group_new (ClutterActor *actor)
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{
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GObject *object = NULL;
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AtkObject *accessible = NULL;
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g_return_val_if_fail (CLUTTER_IS_GROUP (actor), NULL);
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object = g_object_new (CALLY_TYPE_GROUP, NULL);
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accessible = ATK_OBJECT (object);
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atk_object_initialize (accessible, actor);
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return accessible;
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}
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static gint
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cally_group_get_n_children (AtkObject *obj)
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{
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ClutterActor *actor = NULL;
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gint count = 0;
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g_return_val_if_fail (CALLY_IS_GROUP (obj), count);
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actor = CALLY_GET_CLUTTER_ACTOR (obj);
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if (actor == NULL) /* defunct */
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return 0;
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g_return_val_if_fail (CLUTTER_IS_GROUP(actor), count);
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count = clutter_group_get_n_children (CLUTTER_GROUP (actor));
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return count;
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}
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static AtkObject*
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cally_group_ref_child (AtkObject *obj,
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gint i)
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{
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AtkObject *accessible = NULL;
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ClutterActor *actor = NULL;
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ClutterActor *child = NULL;
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g_return_val_if_fail (CALLY_IS_GROUP (obj), NULL);
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g_return_val_if_fail ((i >= 0), NULL);
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actor = CALLY_GET_CLUTTER_ACTOR (obj);
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g_return_val_if_fail (CLUTTER_IS_GROUP(actor), NULL);
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child = clutter_group_get_nth_child (CLUTTER_GROUP(actor), i);
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if (!child)
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return NULL;
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accessible = clutter_actor_get_accessible (child);
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if (accessible != NULL)
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g_object_ref (accessible);
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return accessible;
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}
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static void
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cally_group_real_initialize (AtkObject *obj,
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gpointer data)
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{
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ATK_OBJECT_CLASS (cally_group_parent_class)->initialize (obj, data);
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obj->role = ATK_ROLE_PANEL;
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}
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