atk/atkobjectfactory.c

   1 /* ATK - Accessibility Toolkit
   2  * Copyright 2001 Sun Microsystems Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "atkobjectfactory.h"
  21 #include "atknoopobjectfactory.h"
  22
  23 static void atk_object_factory_class_init   (AtkObjectFactoryClass        *klass);
  24
  25 static gpointer    parent_class = NULL;
  26
  27 GType
  28 atk_object_factory_get_type ()
  29 {
  30   static GType type = 0;
  31
  32   if (!type) {
  33     GTypeInfo tinfo =
  34     {
  35       sizeof (AtkObjectFactoryClass),
  36       (GBaseInitFunc) NULL, /* base init */
  37       (GBaseFinalizeFunc) NULL, /* base finalize */
  38       (GClassInitFunc) atk_object_factory_class_init, /* class init */
  39       (GClassFinalizeFunc) NULL, /* class finalize */
  40       NULL, /* class data */
  41       sizeof (AtkObjectFactory), /* instance size */
  42       0, /* nb preallocs */
  43       (GInstanceInitFunc) NULL, /* instance init */
  44       NULL /* value table */
  45     };
  46
  47     type = g_type_register_static (G_TYPE_OBJECT, "AtkObjectFactory", &tinfo, 0);
  48   }
  49   return type;
  50 }
  51
  52 static void
  53 atk_object_factory_class_init (AtkObjectFactoryClass *klass)
  54 {
  55   parent_class = g_type_class_ref (G_TYPE_OBJECT);
  56
  57 }
  58
  59
  60 AtkObject*
  61 atk_object_factory_create_accessible (AtkObjectFactory *factory,
  62                                       GObject          *obj)
  63 {
  64   AtkObjectFactoryClass *klass;
  65   AtkObject *accessible = NULL;
  66
  67   g_return_val_if_fail ((factory != NULL), NULL);
  68   g_return_val_if_fail (ATK_IS_OBJECT_FACTORY (factory), NULL);
  69   g_return_val_if_fail (obj != NULL, NULL);
  70   g_return_val_if_fail (G_IS_OBJECT (obj), NULL);
  71
  72   klass = ATK_OBJECT_FACTORY_GET_CLASS (factory);
  73
  74   if (klass->create_accessible)
  75   {
  76       accessible = klass->create_accessible (obj);
  77   }
  78   return accessible;
  79 }
  80
  81 void
  82 atk_object_factory_invalidate (AtkObjectFactory *factory)
  83 {
  84   AtkObjectFactoryClass *klass;
  85
  86   g_return_if_fail (factory != NULL);
  87   g_return_if_fail (ATK_OBJECT_FACTORY (factory));
  88
  89   klass = ATK_OBJECT_FACTORY_GET_CLASS (factory);
  90   if (klass->invalidate)
  91      (klass->invalidate) (factory);
  92 }