atk/atkplug.c

   1 /* ATK -  Accessibility Toolkit
   2  * Copyright (C) 2009 Novell, 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 "atk.h"
  21 #include "atkplug.h"
  22
  23 /**
  24  * SECTION:atkplug
  25  * @Short_description: Toplevel for embedding into other processes
  26  * @Title: AtkPlug
  27  * @See_also: #AtkPlug
  28  *
  29  * See #AtkSocket
  30  *
  31  */
  32
  33 static void atk_component_interface_init (AtkComponentIface *iface);
  34
  35 static void atk_plug_class_init (AtkPlugClass *klass);
  36
  37 G_DEFINE_TYPE_WITH_CODE (AtkPlug, atk_plug, ATK_TYPE_OBJECT,
  38                          G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, atk_component_interface_init))
  39
  40 static void
  41 atk_plug_init (AtkPlug* obj)
  42 {
  43 }
  44
  45 static void
  46 atk_plug_class_init (AtkPlugClass* klass)
  47 {
  48   klass->get_object_id = NULL;
  49 }
  50
  51 static void
  52 atk_component_interface_init (AtkComponentIface *iface)
  53 {
  54 }
  55
  56 AtkObject*
  57 atk_plug_new (void)
  58 {
  59   AtkObject* accessible;
  60
  61   accessible = g_object_new (ATK_TYPE_PLUG, NULL);
  62   g_return_val_if_fail (accessible != NULL, NULL);
  63
  64   accessible->role = ATK_ROLE_FILLER;
  65   accessible->layer = ATK_LAYER_WIDGET;
  66
  67   return accessible;
  68 }
  69
  70 /**
  71  * atk_plug_get_id:
  72  * @obj: an #AtkPlug
  73  *
  74  * Gets the unique ID of an #AtkPlug object, which can be used to
  75  * embed inside of an #AtkSocket using atk_socket_embed().
  76  *
  77  * Internally, this calls a class function that should be registered
  78  * by the IPC layer (usually at-spi2-atk). The implementor of an
  79  * #AtkPlug object should call this function (after atk-bridge is
  80  * loaded) and pass the value to the process implementing the
  81  * #AtkSocket, so it could embed the plug.
  82  *
  83  * Returns: the unique ID for the plug
  84  *
  85  * Since: 1.30
  86  **/
  87 gchar*
  88 atk_plug_get_id (AtkPlug* obj)
  89 {
  90   AtkPlugClass *klass;
  91
  92   g_return_val_if_fail (ATK_IS_PLUG (obj), NULL);
  93
  94   klass = g_type_class_peek (ATK_TYPE_PLUG);
  95
  96   if (klass && klass->get_object_id)
  97     return (klass->get_object_id) (obj);
  98   else
  99     return NULL;
 100 }