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