toolkit/test/accessibility/AccessibleActionHandler.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.uno.UnoRuntime;
  20 import com.sun.star.accessibility.XAccessibleContext;
  21 import com.sun.star.accessibility.XAccessibleAction;
  22 import com.sun.star.lang.IndexOutOfBoundsException;
  23
  24 class AccessibleActionHandler
  25     extends NodeHandler
  26 {
  27     @Override
  28     public NodeHandler createHandler (XAccessibleContext xContext)
  29     {
  30         XAccessibleAction xEComponent =
  31             UnoRuntime.queryInterface (
  32             XAccessibleAction.class, xContext);
  33         if (xEComponent != null)
  34             return new AccessibleActionHandler (xEComponent);
  35         else
  36             return null;
  37     }
  38
  39     public AccessibleActionHandler ()
  40     {
  41     }
  42
  43     private AccessibleActionHandler (XAccessibleAction xAction)
  44     {
  45         if (xAction != null)
  46             maChildList.setSize (1 + xAction.getAccessibleActionCount());
  47     }
  48
  49     protected static XAccessibleAction getAction (AccTreeNode aParent)
  50     {
  51         return UnoRuntime.queryInterface (
  52             XAccessibleAction.class, aParent.getContext());
  53     }
  54
  55     @Override
  56     public AccessibleTreeNode createChild (
  57         AccessibleTreeNode aParent,
  58         int nIndex)
  59     {
  60         AccessibleTreeNode aChild = null;
  61
  62         if (aParent instanceof AccTreeNode)
  63         {
  64             XAccessibleAction xAction = getAction ((AccTreeNode)aParent);
  65             if( xAction != null )
  66             {
  67                 if (nIndex == 0)
  68                     aChild = new StringNode ("Number of actions: " + xAction.getAccessibleActionCount(),
  69                         aParent);
  70                 else
  71                 {
  72                     nIndex -= 1;
  73                     try
  74                     {
  75                         aChild = new AccessibleActionNode (
  76                             "Action " + nIndex + " : "
  77                             + xAction.getAccessibleActionDescription (nIndex),
  78                             aParent,
  79                             nIndex);
  80                     }
  81                     catch( IndexOutOfBoundsException e )
  82                     {
  83                         aChild = new StringNode ("ERROR", aParent);
  84                     }
  85                 }
  86             }
  87         }
  88
  89         return aChild;
  90     }
  91 }