1 files changed, 46 insertions, 0 deletions
diff --git a/toolkit/test/accessibility/ChildEventHandler.java b/toolkit/test/accessibility/ChildEventHandler.java
new file mode 100644
index 000000000000..b73c90feac6d
--- /dev/null
+++ b/toolkit/test/accessibility/ChildEventHandler.java
@@ -0,0 +1,46 @@
+import com.sun.star.accessibility.XAccessible;
+import com.sun.star.accessibility.AccessibleEventObject;
+import com.sun.star.uno.UnoRuntime;
+
+import java.io.PrintStream;
+
+class ChildEventHandler
+    extends EventHandler
+{
+    public ChildEventHandler (AccessibleEventObject aEvent, AccessibilityTreeModel aTreeModel)
+    {
+        super (aEvent, aTreeModel);
+        mxOldChild = (XAccessible)UnoRuntime.queryInterface(
+            XAccessible.class, aEvent.OldValue);
+        mxNewChild = (XAccessible)UnoRuntime.queryInterface(
+            XAccessible.class, aEvent.NewValue);
+    }
+
+    public void PrintOldAndNew (PrintStream out)
+    {
+        if (mxOldChild != null)
+            out.println ("   removing child " + mxOldChild);
+        if (mxNewChild != null)
+            out.println ("   adding child " + mxNewChild);
+    }
+
+    public void Process ()
+    {
+        // Insertion and removal of children should be mutually exclusive.
+        // But this is a test tool and should take everything into account.
+        if (mxOldChild != null)
+        {
+            maTreeModel.removeNode (mxOldChild.getAccessibleContext());
+            maTreeModel.updateNode (mxEventSource, AccessibleTreeHandler.class);
+        }
+
+        if (mxNewChild != null)
+        {
+            maTreeModel.addChild (mxEventSource, mxNewChild);
+        }
+    }
+
+
+    private XAccessible mxOldChild;
+    private XAccessible mxNewChild;
+}