vcl/unx/gtk3/a11y/atkregistry.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "atkregistry.hxx"
  21
  22 using namespace ::com::sun::star::accessibility;
  23 using namespace ::com::sun::star::uno;
  24
  25 static GHashTable *uno_to_gobject = nullptr;
  26
  27 /*****************************************************************************/
  28
  29 AtkObject *
  30 ooo_wrapper_registry_get(const Reference< XAccessible >& rxAccessible)
  31 {
  32     if( uno_to_gobject )
  33     {
  34         gpointer cached =
  35             g_hash_table_lookup(uno_to_gobject, static_cast<gpointer>(rxAccessible.get()));
  36
  37         if( cached )
  38             return ATK_OBJECT( cached );
  39     }
  40
  41     return nullptr;
  42 }
  43
  44 /*****************************************************************************/
  45
  46 void
  47 ooo_wrapper_registry_add(const Reference< XAccessible >& rxAccessible, AtkObject *obj)
  48 {
  49    if( !uno_to_gobject )
  50         uno_to_gobject = g_hash_table_new (nullptr, nullptr);
  51
  52    g_hash_table_insert( uno_to_gobject, static_cast<gpointer>(rxAccessible.get()), obj );
  53 }
  54
  55 /*****************************************************************************/
  56
  57 void
  58 ooo_wrapper_registry_remove(
  59     css::uno::Reference<css::accessibility::XAccessible> const & pAccessible)
  60 {
  61     if( uno_to_gobject )
  62         g_hash_table_remove(
  63             uno_to_gobject, static_cast<gpointer>(pAccessible.get()) );
  64 }
  65
  66 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */