toolkit/test/accessibility/AccessibleUNOHandler.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.lang.XServiceInfo;
  22 import com.sun.star.lang.XTypeProvider;
  23 import com.sun.star.uno.Type;
  24
  25
  26 /** This handler displays lower level UNO information.  These are the
  27     supported services, interfaces, and the implementation name.
  28 */
  29 class AccessibleUNOHandler
  30     extends NodeHandler
  31 {
  32     @Override
  33     public NodeHandler createHandler (XAccessibleContext xContext)
  34     {
  35         if (xContext == null)
  36             return null;
  37         else
  38         {
  39             AccessibleUNOHandler h = new AccessibleUNOHandler();
  40             h.maChildList.setSize (3);
  41             return h;
  42         }
  43     }
  44
  45     private XServiceInfo GetServiceInfo (AccessibleTreeNode aNode)
  46     {
  47         XServiceInfo xServiceInfo = null;
  48         if (aNode instanceof AccTreeNode)
  49             xServiceInfo = UnoRuntime.queryInterface(
  50                 XServiceInfo.class, ((AccTreeNode)aNode).getContext());
  51         return xServiceInfo;
  52     }
  53     private XTypeProvider GetTypeProvider (AccessibleTreeNode aNode)
  54     {
  55         XTypeProvider xTypeProvider = null;
  56         if (aNode instanceof AccTreeNode)
  57             xTypeProvider = UnoRuntime.queryInterface(
  58                 XTypeProvider.class, ((AccTreeNode)aNode).getContext());
  59         return xTypeProvider;
  60     }
  61
  62     @Override
  63     public AccessibleTreeNode createChild (AccessibleTreeNode aParent,
  64                                            int nIndex)
  65     {
  66         AccessibleTreeNode aChild = null;
  67         XServiceInfo xServiceInfo;
  68         switch (nIndex)
  69         {
  70             case 0 : // Implementation name.
  71                 xServiceInfo = GetServiceInfo (aParent);
  72                 aChild = new StringNode ("Implementation name: " +
  73                     (xServiceInfo!=null ? xServiceInfo.getImplementationName()
  74                         : "<XServiceInfo not supported>"),
  75                     aParent);
  76                 break;
  77             case 1 :
  78                 xServiceInfo = GetServiceInfo (aParent);
  79                 if (xServiceInfo == null)
  80                     aChild = new StringNode (
  81                         "Supported services: <XServiceInfo not supported>",
  82                         aParent);
  83                 else
  84                     aChild = CreateServiceTree (aParent, xServiceInfo);
  85                 break;
  86             case 2 :
  87                 XTypeProvider xTypeProvider = GetTypeProvider (aParent);
  88                 if (xTypeProvider == null)
  89                     aChild = new StringNode (
  90                         "Supported interfaces: <XTypeProvider not supported>",
  91                         aParent);
  92                 else
  93                     aChild = CreateInterfaceTree (aParent, xTypeProvider);
  94                 break;
  95         }
  96
  97         return aChild;
  98     }
  99
 100
 101     private AccessibleTreeNode CreateServiceTree (AccessibleTreeNode aParent,
 102         XServiceInfo xServiceInfo)
 103     {
 104         String[] aServiceNames = xServiceInfo.getSupportedServiceNames();
 105         VectorNode aNode = new VectorNode ("Supported Services", aParent);
 106
 107         int nCount = aServiceNames.length;
 108         for (int i=0; i<nCount; i++)
 109             aNode.addChild (new StringNode (aServiceNames[i], aParent));
 110
 111         return aNode;
 112     }
 113
 114     private AccessibleTreeNode CreateInterfaceTree (AccessibleTreeNode aParent,
 115         XTypeProvider xTypeProvider)
 116     {
 117         Type[] aTypes = xTypeProvider.getTypes();
 118         VectorNode aNode = new VectorNode ("Supported Interfaces", aParent);
 119
 120         int nCount = aTypes.length;
 121         for (int i=0; i<nCount; i++)
 122             aNode.addChild (new StringNode (aTypes[i].getTypeName(), aParent));
 123
 124         return aNode;
 125     }
 126 }