Performance improvements: Handler have become non-static members of tree nodes and cache data to prevent UNO queries. Increased type safety by introduction of tree node hierarchy.

1 files changed, 84 insertions, 0 deletions

diff --git a/toolkit/test/accessibility/AccessibleTreeNode.java b/toolkit/test/accessibility/AccessibleTreeNode.java
new file mode 100644
index 000000000000..490530b3f5b3
--- /dev/null
+++ b/toolkit/test/accessibility/AccessibleTreeNode.java
@@ -0,0 +1,84 @@
+import java.util.Vector;
+import com.sun.star.lang.IndexOutOfBoundsException;
+
+/**
+    Base class for all tree nodes.
+ */
+class AccessibleTreeNode
+{
+    /// The parent node.  It is null for the root node.
+    protected AccessibleTreeNode maParent;
+
+    /// The object to be displayed.
+    private Object maDisplayObject;
+
+    public AccessibleTreeNode (Object aDisplayObject, AccessibleTreeNode aParent)
+    {
+        maDisplayObject = aDisplayObject;
+        maParent = aParent;
+    }
+
+    public void update ()
+    {
+        // Empty
+    }
+
+    public AccessibleTreeNode getParent ()
+    {
+        return maParent;
+    }
+
+    public Object getDisplayObject ()
+    {
+        return maDisplayObject;
+    }
+
+    public int getChildCount ()
+    {
+        return 0;
+    }
+
+    public AccessibleTreeNode getChild (int nIndex)
+        throws IndexOutOfBoundsException
+    {
+        throw new IndexOutOfBoundsException();
+    }
+
+    public boolean removeChild (int nIndex)
+        throws IndexOutOfBoundsException
+    {
+        throw new IndexOutOfBoundsException();
+    }
+
+    public int indexOf (AccessibleTreeNode aNode)
+    {
+        return -1;
+    }
+
+    /** Create a path to this node by first asking the parent for its path
+        and then appending this object.
+    */
+    public void createPath (java.util.Vector aPath)
+    {
+        if (maParent != null)
+            maParent.createPath (aPath);
+        aPath.add (this);
+    }
+
+    public Object[] createPath ()
+    {
+        Vector aPath = new Vector (1);
+        createPath (aPath);
+        return aPath.toArray();
+    }
+
+    public boolean isLeaf()
+    {
+        return true;
+    }
+
+    public String toString()
+    {
+        return maDisplayObject.toString();
+    }
+}