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     public NodeHandler createHandler (XAccessibleContext xContext)
  33     {
  34         if (xContext == null)
  35             return null;
  36         else
  37             return new AccessibleUNOHandler (xContext);
  38     }
  39
  40     public AccessibleUNOHandler()
  41     {
  42     }
  43
  44     public AccessibleUNOHandler (XAccessibleContext xContext)
  45     {
  46         maChildList.setSize (3);
  47     }
  48
  49     private XServiceInfo GetServiceInfo (AccessibleTreeNode aNode)
  50     {
  51         XServiceInfo xServiceInfo = null;
  52         if (aNode instanceof AccTreeNode)
  53             xServiceInfo = UnoRuntime.queryInterface(
  54                 XServiceInfo.class, ((AccTreeNode)aNode).getContext());
  55         return xServiceInfo;
  56     }
  57     private XTypeProvider GetTypeProvider (AccessibleTreeNode aNode)
  58     {
  59         XTypeProvider xTypeProvider = null;
  60         if (aNode instanceof AccTreeNode)
  61             xTypeProvider = UnoRuntime.queryInterface(
  62                 XTypeProvider.class, ((AccTreeNode)aNode).getContext());
  63         return xTypeProvider;
  64     }
  65
  66     public AccessibleTreeNode createChild (AccessibleTreeNode aParent,
  67                                            int nIndex)
  68     {
  69         AccessibleTreeNode aChild = null;
  70         XServiceInfo xServiceInfo;
  71         switch (nIndex)
  72         {
  73             case 0 : // Implemenation name.
  74                 xServiceInfo = GetServiceInfo (aParent);
  75                 aChild = new StringNode ("Implementation name: " +
  76                     (xServiceInfo!=null ? xServiceInfo.getImplementationName()
  77                         : "<XServiceInfo not supported>"),
  78                     aParent);
  79                 break;
  80             case 1 :
  81                 xServiceInfo = GetServiceInfo (aParent);
  82                 if (xServiceInfo == null)
  83                     aChild = new StringNode (
  84                         "Supported services: <XServiceInfo not supported>",
  85                         aParent);
  86                 else
  87                     aChild = CreateServiceTree (aParent, xServiceInfo);
  88                 break;
  89             case 2 :
  90                 XTypeProvider xTypeProvider = GetTypeProvider (aParent);
  91                 if (xTypeProvider == null)
  92                     aChild = new StringNode (
  93                         "Supported interfaces: <XTypeProvider not supported>",
  94                         aParent);
  95                 else
  96                     aChild = CreateInterfaceTree (aParent, xTypeProvider);
  97                 break;
  98         }
  99
 100         return aChild;
 101     }
 102
 103
 104     private AccessibleTreeNode CreateServiceTree (AccessibleTreeNode aParent,
 105         XServiceInfo xServiceInfo)
 106     {
 107         String[] aServiceNames = xServiceInfo.getSupportedServiceNames();
 108         VectorNode aNode = new VectorNode ("Supported Services", aParent);
 109
 110         int nCount = aServiceNames.length;
 111         for (int i=0; i<nCount; i++)
 112             aNode.addChild (new StringNode (aServiceNames[i], aParent));
 113
 114         return aNode;
 115     }
 116
 117     private AccessibleTreeNode CreateInterfaceTree (AccessibleTreeNode aParent,
 118         XTypeProvider xTypeProvider)
 119     {
 120         Type[] aTypes = xTypeProvider.getTypes();
 121         VectorNode aNode = new VectorNode ("Supported Interfaces", aParent);
 122
 123         int nCount = aTypes.length;
 124         for (int i=0; i<nCount; i++)
 125             aNode.addChild (new StringNode (aTypes[i].getTypeName(), aParent));
 126
 127         return aNode;
 128     }
 129 }