toolkit/test/accessibility/AccessibleImageHandler.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.XAccessibleImage;
  22
  23
  24 class AccessibleImageHandler extends NodeHandler
  25 {
  26     @Override
  27     public NodeHandler createHandler (XAccessibleContext xContext)
  28     {
  29         XAccessibleImage xImage =
  30             UnoRuntime.queryInterface (
  31             XAccessibleImage.class, xContext);
  32         if (xImage != null)
  33             return new AccessibleImageHandler (xImage);
  34         else
  35             return null;
  36     }
  37
  38     public AccessibleImageHandler ()
  39     {
  40     }
  41
  42     private AccessibleImageHandler (XAccessibleImage xImage)
  43     {
  44         if (xImage != null)
  45             maChildList.setSize (1);
  46     }
  47
  48     private static XAccessibleImage getImage (AccTreeNode aNode)
  49     {
  50         return UnoRuntime.queryInterface (
  51             XAccessibleImage.class, aNode.getContext());
  52     }
  53
  54     @Override
  55     public AccessibleTreeNode createChild (AccessibleTreeNode aParent, int nIndex)
  56     {
  57         if (aParent instanceof AccTreeNode)
  58         {
  59             XAccessibleImage xImage = getImage ((AccTreeNode)aParent);
  60             if (xImage != null)
  61                 return new StringNode (
  62                     "Image: " +
  63                     xImage.getAccessibleImageDescription() + " (" +
  64                     xImage.getAccessibleImageWidth() + "x" +
  65                     xImage.getAccessibleImageHeight() + ")",
  66                     aParent);
  67         }
  68         return null;
  69     }
  70 }