toolkit/test/accessibility/AccessibleSelectionHandler.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.XAccessible;
  21 import com.sun.star.accessibility.XAccessibleContext;
  22 import com.sun.star.accessibility.XAccessibleSelection;
  23 import com.sun.star.lang.IndexOutOfBoundsException;
  24
  25
  26
  27 class AccessibleSelectionHandler
  28     extends NodeHandler
  29 {
  30     @Override
  31     public NodeHandler createHandler( XAccessibleContext xContext )
  32     {
  33         XAccessibleSelection xSelection =
  34             UnoRuntime.queryInterface(
  35             XAccessibleSelection.class, xContext);
  36         return (xSelection == null) ? null :
  37             new AccessibleSelectionHandler(xSelection);
  38     }
  39
  40     public AccessibleSelectionHandler()
  41     {
  42     }
  43
  44     private AccessibleSelectionHandler( XAccessibleSelection xSelection )
  45     {
  46         if (xSelection != null)
  47             maChildList.setSize( 2 );
  48     }
  49
  50     @Override
  51     public AccessibleTreeNode createChild( AccessibleTreeNode aParent,
  52                                            int nIndex )
  53     {
  54         if( !(aParent instanceof AccTreeNode) )
  55             return null;
  56
  57         XAccessibleSelection xSelection = ((AccTreeNode)aParent).getSelection();
  58         if( xSelection == null )
  59             return null;
  60
  61         AccessibleTreeNode aChild = null;
  62
  63         switch( nIndex )
  64         {
  65             case 0:
  66                 aChild = new StringNode(
  67                     "getSelectedAccessibleChildCount: " +
  68                     xSelection.getSelectedAccessibleChildCount(),
  69                     aParent );
  70                 break;
  71             case 1:
  72             {
  73                 VectorNode aVNode =
  74                     new VectorNode( "Selected Children", aParent);
  75                 long nSelected = 0;
  76                 long nCount = ((AccTreeNode)aParent).getContext().
  77                     getAccessibleChildCount();
  78                 try
  79                 {
  80                     for( long i = 0; i < nCount; i++ )
  81                     {
  82                         try
  83                         {
  84                             if( xSelection.isAccessibleChildSelected( i ) )
  85                             {
  86                                 XAccessible xSelChild = xSelection.
  87                                     getSelectedAccessibleChild(nSelected);
  88                                 XAccessible xNChild =
  89                                     ((AccTreeNode)aParent).
  90                                     getContext().getAccessibleChild( i );
  91                                 aVNode.addChild( new StringNode(
  92                                     i + ": " +
  93                                     xNChild.getAccessibleContext().
  94                                     getAccessibleDescription() + " (" +
  95                                     (xSelChild.equals(xNChild) ? "OK" : "XXX") +
  96                                     ")", aParent ) );
  97                             }
  98                         }
  99                         catch (com.sun.star.lang.DisposedException e)
 100                         {
 101                             aVNode.addChild( new StringNode(
 102                                 i + ": caught DisposedException while creating",
 103                                 aParent ));
 104                         }
 105                     }
 106                     aChild = aVNode;
 107                 }
 108                 catch( IndexOutOfBoundsException e )
 109                 {
 110                     aChild = new StringNode( "IndexOutOfBounds",
 111                                              aParent );
 112                 }
 113             }
 114             break;
 115             default:
 116                 aChild = new StringNode( "ERROR", aParent );
 117                 break;
 118         }
 119
 120         return aChild;
 121     }
 122
 123
 124     @Override
 125     public String[] getActions (AccessibleTreeNode aNode)
 126     {
 127         if( aNode instanceof AccTreeNode )
 128         {
 129             XAccessibleSelection xSelection =
 130                 ((AccTreeNode)aNode).getSelection();
 131             if( xSelection != null )
 132             {
 133                 return new String[] { "Select..." };
 134             }
 135         }
 136         return new String[0];
 137     }
 138
 139     @Override
 140     public void performAction (AccessibleTreeNode aNode, int nIndex)
 141     {
 142         SelectionDialog selectionDialog = new SelectionDialog( (AccTreeNode)aNode );
 143         selectionDialog.setVisible(true);
 144     }
 145 }