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118 lines
3.9 KiB
C
118 lines
3.9 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 gailfactory.h 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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#ifndef _CALLY_FACTORY_H__
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#define _CALLY_FACTORY_H__
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#include <glib-object.h>
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#include <atk/atkobject.h>
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/**
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* CALLY_ACCESSIBLE_FACTORY:
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* @type: GType of the accessible which is created by the factory
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* @type_as_function: prefix of the accessible object methods
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* @opt_create_accessible: method to instantiate the accessibility object
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*
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* Defines a new #AtkObjectFactory factory to create accessible
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* objects of a specific GType. It defines the factory GType and also
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* overrides the proper #AtkObjectFactory methods.
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*
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* It assumes that the accessibility object provides a
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* @opt_create_accessible method in order to create the accessibility
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* object. It returns a @type GType object.
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*
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* Since: 1.4
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*/
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#define CALLY_ACCESSIBLE_FACTORY(type, type_as_function, opt_create_accessible) \
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\
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static GType \
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type_as_function ## _factory_get_accessible_type (void) \
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{ \
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return type; \
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} \
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\
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static AtkObject* \
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type_as_function ## _factory_create_accessible (GObject *obj) \
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{ \
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ClutterActor *actor; \
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AtkObject *accessible; \
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\
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g_return_val_if_fail (CLUTTER_ACTOR (obj), NULL); \
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\
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actor = CLUTTER_ACTOR (obj); \
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\
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accessible = opt_create_accessible (actor); \
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\
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return accessible; \
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} \
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\
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static void \
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type_as_function ## _factory_class_init (AtkObjectFactoryClass *klass) \
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{ \
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klass->create_accessible = type_as_function ## _factory_create_accessible; \
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klass->get_accessible_type = type_as_function ## _factory_get_accessible_type;\
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} \
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\
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static GType \
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type_as_function ## _factory_get_type (void) \
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{ \
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static GType t = 0; \
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\
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if (!t) \
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{ \
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char *name; \
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static const GTypeInfo tinfo = \
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{ \
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sizeof (AtkObjectFactoryClass), \
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NULL, NULL, (GClassInitFunc) type_as_function ## _factory_class_init, \
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NULL, NULL, sizeof (AtkObjectFactory), 0, NULL, NULL \
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}; \
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\
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name = g_strconcat (g_type_name (type), "Factory", NULL); \
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t = g_type_register_static ( \
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ATK_TYPE_OBJECT_FACTORY, name, &tinfo, 0); \
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g_free (name); \
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} \
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\
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return t; \
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}
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/**
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* CALLY_ACTOR_SET_FACTORY:
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* @widget_type: GType of the clutter actor
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* @type_as_function: prefix of the accessible object methods
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*
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* Sets the #AtkObjectFactory to be used in order to instantiate
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* accessibility objects for the actor which GType is @widget_type.
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*
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* Since: 1.4
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*/
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#define CALLY_ACTOR_SET_FACTORY(widget_type, type_as_function) \
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atk_registry_set_factory_type (atk_get_default_registry (), \
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widget_type, \
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type_as_function ## _factory_get_type ())
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#endif /* _CALLY_FACTORY_H__ */
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