toolkit/test/accessibility/QueuedListener.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18
  19 import com.sun.star.accessibility.*;
  20 import com.sun.star.lang.EventObject;
  21 import com.sun.star.uno.*;
  22
  23 class QueuedListener
  24     implements XAccessibleEventListener
  25 {
  26     public QueuedListener (EventListener aListener)
  27     {
  28         maListener = aListener;
  29     }
  30
  31
  32     public void disposing( final EventObject aEvent)
  33     {
  34         XAccessibleContext xContext = UnoRuntime.queryInterface(
  35             XAccessibleContext.class, aEvent.Source);
  36         if (xContext == null)
  37         {
  38             XAccessible xAccessible = UnoRuntime.queryInterface(
  39                 XAccessible.class, aEvent.Source);
  40             if (xAccessible != null)
  41                 xContext = xAccessible.getAccessibleContext();
  42         }
  43         final XAccessibleContext xSource = xContext;
  44         EventQueue.Instance().addDisposingEvent (new Runnable()
  45             {
  46                 public void run()
  47                 {
  48                     if (QueuedListener.this.maListener != null)
  49                         QueuedListener.this.maListener.disposing (xSource);
  50                 }
  51             }
  52             );
  53     }
  54
  55     public void notifyEvent( final AccessibleEventObject aEvent )
  56     {
  57         EventQueue.Instance().addEvent (new Runnable()
  58             {
  59                 public void run()
  60                 {
  61                     QueuedListener.this.maListener.notifyEvent( aEvent );
  62                 }
  63             }
  64             );
  65     }
  66
  67     private final EventListener maListener;
  68 }
  69
  70