INTEGRATION: CWS vcl07 (1.2.2); FILE ADDED

2003/04/08 14:28:38 obr 1.2.2.1: re-added accessibility workbench

toolkit/test/accessibility/AccessibleUNOHandler.java

+import com.sun.star.uno.UnoRuntime;
+import drafts.com.sun.star.accessibility.XAccessible;
+import drafts.com.sun.star.accessibility.XAccessibleContext;
+import drafts.com.sun.star.accessibility.AccessibleRelation;
+import drafts.com.sun.star.accessibility.XAccessibleRelationSet;
+import drafts.com.sun.star.accessibility.AccessibleRelationType;
+import com.sun.star.lang.XServiceInfo;
+import com.sun.star.lang.XTypeProvider;
+import com.sun.star.uno.Type;
+
+
+/** This handler displays lower level UNO information.  These are the
+    supported services, interfaces, and the implementation name.
+*/
+class AccessibleUNOHandler
+    extends NodeHandler
+{
+    public NodeHandler createHandler (XAccessibleContext xContext)
+    {
+        if (xContext == null)
+            return null;
+        else
+            return new AccessibleUNOHandler (xContext);
+    }
+
+    public AccessibleUNOHandler()
+    {
+    }
+
+    public AccessibleUNOHandler (XAccessibleContext xContext)
+    {
+        maChildList.setSize (3);
+    }
+
+    private XServiceInfo GetServiceInfo (AccessibleTreeNode aNode)
+    {
+        XServiceInfo xServiceInfo = null;
+        if (aNode instanceof AccTreeNode)
+            xServiceInfo = (XServiceInfo)UnoRuntime.queryInterface(
+                XServiceInfo.class, ((AccTreeNode)aNode).getContext());
+        return xServiceInfo;
+    }
+    private XTypeProvider GetTypeProvider (AccessibleTreeNode aNode)
+    {
+        XTypeProvider xTypeProvider = null;
+        if (aNode instanceof AccTreeNode)
+            xTypeProvider = (XTypeProvider)UnoRuntime.queryInterface(
+                XTypeProvider.class, ((AccTreeNode)aNode).getContext());
+        return xTypeProvider;
+    }
+
+    public AccessibleTreeNode createChild (AccessibleTreeNode aParent,
+                                           int nIndex)
+    {
+        AccessibleTreeNode aChild = null;
+        XServiceInfo xServiceInfo;
+        switch (nIndex)
+        {
+            case 0 : // Implemenation name.
+                xServiceInfo = GetServiceInfo (aParent);
+                aChild = new StringNode ("Implementation name: " +
+                    (xServiceInfo!=null ? xServiceInfo.getImplementationName()
+                        : "<XServiceInfo not supported>"),
+                    aParent);
+                break;
+            case 1 :
+                xServiceInfo = GetServiceInfo (aParent);
+                if (xServiceInfo == null)
+                    aChild = new StringNode (
+                        "Supported services: <XServiceInfo not supported>",
+                        aParent);
+                else
+                    aChild = CreateServiceTree (aParent, xServiceInfo);
+                break;
+            case 2 :
+                XTypeProvider xTypeProvider = GetTypeProvider (aParent);
+                if (xTypeProvider == null)
+                    aChild = new StringNode (
+                        "Supported interfaces: <XTypeProvider not supported>",
+                        aParent);
+                else
+                    aChild = CreateInterfaceTree (aParent, xTypeProvider);
+                break;
+        }
+
+        return aChild;
+    }
+
+
+    private AccessibleTreeNode CreateServiceTree (AccessibleTreeNode aParent,
+        XServiceInfo xServiceInfo)
+    {
+        String[] aServiceNames = xServiceInfo.getSupportedServiceNames();
+        VectorNode aNode = new VectorNode ("Supported Services", aParent);
+
+        int nCount = aServiceNames.length;
+        for (int i=0; i<nCount; i++)
+            aNode.addChild (new StringNode (aServiceNames[i], aParent));
+
+        return aNode;
+    }
+
+    private AccessibleTreeNode CreateInterfaceTree (AccessibleTreeNode aParent,
+        XTypeProvider xTypeProvider)
+    {
+        Type[] aTypes = xTypeProvider.getTypes();
+        VectorNode aNode = new VectorNode ("Supported Interfaces", aParent);
+
+        int nCount = aTypes.length;
+        for (int i=0; i<nCount; i++)
+            aNode.addChild (new StringNode (aTypes[i].getTypeName(), aParent));
+
+        return aNode;
+    }
+}