1 /* GAIL - The GNOME Accessibility Implementation Library
2 * Copyright 2002 Sun Microsystems Inc.
3 * Copyright (C) 1998-1999, 2000-2001 Tim Janik and Red Hat, Inc.
4 * Copyright (C) 2007 Christian Persch
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
22 #ifndef _GAIL_FACTORY_H__
23 #define _GAIL_FACTORY_H__
25 #include <glib-object.h>
28 #define _GAIL_IMPLEMENT_FACTORY_CREATE_ACCESSIBLE(GAIL_TYPE, TYPE) \
30 AtkObject *accessible; \
32 g_return_val_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (object, TYPE), NULL); \
34 accessible = g_object_new (GAIL_TYPE, NULL); \
35 atk_object_initialize (accessible, object); \
40 #define _GAIL_IMPLEMENT_FACTORY_BEGIN(GAIL_TYPE, TypeName, type_name) \
43 type_name##_factory_get_accessible_type (void) \
49 type_name##_factory_create_accessible (GObject *object) \
52 #define _GAIL_IMPLEMENT_FACTORY_END(GAIL_TYPE, TypeName, type_name) \
56 type_name##_factory_class_init (AtkObjectFactoryClass *klass) \
58 klass->create_accessible = type_name ## _factory_create_accessible; \
59 klass->get_accessible_type = type_name ## _factory_get_accessible_type;\
63 type_name##_factory_get_type (void) \
65 static volatile gsize g_define_type_id__volatile = 0; \
66 if (g_once_init_enter (&g_define_type_id__volatile)) \
68 GType g_define_type_id = \
69 g_type_register_static_simple (ATK_TYPE_OBJECT_FACTORY, \
70 g_intern_static_string (#TypeName "Factory"), \
71 sizeof (AtkObjectFactoryClass), \
72 (GClassInitFunc) type_name##_factory_class_init, \
73 sizeof (AtkObjectFactory), \
74 (GInstanceInitFunc) NULL, \
76 g_once_init_leave (&g_define_type_id__volatile, g_define_type_id); \
78 return g_define_type_id__volatile; \
81 /* Implements a AtkObjectFactory creating accessibles of type
82 * @GAIL_TYPE for objects of type @TYPE.
84 #define GAIL_IMPLEMENT_FACTORY(GAIL_TYPE, TypeName, type_name, TYPE) \
85 _GAIL_IMPLEMENT_FACTORY_BEGIN (GAIL_TYPE, TypeName, type_name) \
86 _GAIL_IMPLEMENT_FACTORY_CREATE_ACCESSIBLE (GAIL_TYPE, TYPE) \
87 _GAIL_IMPLEMENT_FACTORY_END (GAIL_TYPE, TypeName, type_name)
89 /* Implements a AtkObjectFactory creating accessibles of type
90 * @GAIL_TYPE with creation func @create_accessible.
92 #define GAIL_IMPLEMENT_FACTORY_WITH_FUNC(GAIL_TYPE, TypeName, type_name, create_accessible) \
93 _GAIL_IMPLEMENT_FACTORY_BEGIN (GAIL_TYPE, TypeName, type_name) \
94 { return create_accessible (GTK_WIDGET (object)); } \
95 _GAIL_IMPLEMENT_FACTORY_END (GAIL_TYPE, TypeName, type_name)
97 #define GAIL_IMPLEMENT_FACTORY_WITH_FUNC_DUMMY(GAIL_TYPE, TypeName, type_name, TYPE, create_accessible) \
98 _GAIL_IMPLEMENT_FACTORY_BEGIN (GAIL_TYPE, TypeName, type_name) \
100 g_return_val_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (object, TYPE), NULL);\
101 return create_accessible (); \
103 _GAIL_IMPLEMENT_FACTORY_END (GAIL_TYPE, TypeName, type_name)
105 #define GAIL_WIDGET_SET_FACTORY(widget_type, type_as_function) \
106 atk_registry_set_factory_type (atk_get_default_registry (), \
108 type_as_function ## _factory_get_type ())
110 #endif /* _GAIL_FACTORY_H__ */