/* GAIL - The GNOME Accessibility Implementation Library

 * Copyright 2002 Sun Microsystems Inc.

 * Copyright (C) 1998-1999, 2000-2001 Tim Janik and Red Hat, Inc.

 * Copyright (C) 2007 Christian Persch

 *

 * 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.

 */

#ifndef _GAIL_FACTORY_H__

#define _GAIL_FACTORY_H__

#include <glib-object.h>

#include <atk/atk.h>

#define _GAIL_IMPLEMENT_FACTORY_CREATE_ACCESSIBLE(GAIL_TYPE, TYPE) \

{ \

  AtkObject *accessible; \

\

  g_return_val_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (object, TYPE), NULL); \

\

  accessible = g_object_new (GAIL_TYPE, NULL); \

  atk_object_initialize (accessible, object); \

\

  return accessible; \

}

#define _GAIL_IMPLEMENT_FACTORY_BEGIN(GAIL_TYPE, TypeName, type_name) \

\

static GType \

type_name##_factory_get_accessible_type (void) \

{ \

  return GAIL_TYPE; \

} \

\

static AtkObject* \

type_name##_factory_create_accessible (GObject *object) \

{

#define _GAIL_IMPLEMENT_FACTORY_END(GAIL_TYPE, TypeName, type_name) \

} \

\

static void \

type_name##_factory_class_init (AtkObjectFactoryClass *klass) \

{ \

  klass->create_accessible   = type_name ## _factory_create_accessible;	\

  klass->get_accessible_type = type_name ## _factory_get_accessible_type;\

} \

\

GType \

type_name##_factory_get_type (void) \

{ \

  static volatile gsize g_define_type_id__volatile = 0; \

  if (g_once_init_enter (&g_define_type_id__volatile)) \

    { \

      GType g_define_type_id = \

        g_type_register_static_simple (ATK_TYPE_OBJECT_FACTORY, \

                                       g_intern_static_string (#TypeName "Factory"), \

                                       sizeof (AtkObjectFactoryClass), \

                                       (GClassInitFunc) type_name##_factory_class_init, \

                                       sizeof (AtkObjectFactory), \

                                       (GInstanceInitFunc) NULL, \

                                       (GTypeFlags) 0); \

      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id); \

    } \

  return g_define_type_id__volatile; \

}

/* Implements a AtkObjectFactory creating accessibles of type

 * @GAIL_TYPE for objects of type @TYPE.

 */

#define GAIL_IMPLEMENT_FACTORY(GAIL_TYPE, TypeName, type_name, TYPE) \

_GAIL_IMPLEMENT_FACTORY_BEGIN (GAIL_TYPE, TypeName, type_name) \

_GAIL_IMPLEMENT_FACTORY_CREATE_ACCESSIBLE (GAIL_TYPE, TYPE) \

_GAIL_IMPLEMENT_FACTORY_END (GAIL_TYPE, TypeName, type_name)

/* Implements a AtkObjectFactory creating accessibles of type

 * @GAIL_TYPE with creation func @create_accessible.

 */

#define GAIL_IMPLEMENT_FACTORY_WITH_FUNC(GAIL_TYPE, TypeName, type_name, create_accessible) \

_GAIL_IMPLEMENT_FACTORY_BEGIN (GAIL_TYPE, TypeName, type_name) \

{ return create_accessible (GTK_WIDGET (object)); } \

_GAIL_IMPLEMENT_FACTORY_END (GAIL_TYPE, TypeName, type_name)

#define GAIL_IMPLEMENT_FACTORY_WITH_FUNC_DUMMY(GAIL_TYPE, TypeName, type_name, TYPE, create_accessible) \

_GAIL_IMPLEMENT_FACTORY_BEGIN (GAIL_TYPE, TypeName, type_name) \

{ \

  g_return_val_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (object, TYPE), NULL);\

  return create_accessible (); \

} \

_GAIL_IMPLEMENT_FACTORY_END (GAIL_TYPE, TypeName, type_name)

#define GAIL_WIDGET_SET_FACTORY(widget_type, type_as_function)			\

	atk_registry_set_factory_type (atk_get_default_registry (),		\

				       widget_type,				\

				       type_as_function ## _factory_get_type ())

#endif /* _GAIL_FACTORY_H__ */