--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/mmf/objecttree.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -0,0 +1,100 @@
+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include <QTextStream>
+#include <QWidget>
+#include "objecttree.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace ObjectTree
+{
+
+DepthFirstConstIterator::DepthFirstConstIterator()
+    :   m_pointee(0)
+{
+
+}
+
+DepthFirstConstIterator::DepthFirstConstIterator
+    (const QObject& root)
+    :   m_pointee(&root)
+{
+
+}
+
+DepthFirstConstIterator&
+    DepthFirstConstIterator::operator++()
+{
+    const QObjectList& children = m_pointee->children();
+
+    if (children.count() == 0) {
+        backtrack();
+    }
+    else {
+        m_history.push(0);
+        m_pointee = children.first();
+    }
+
+    return *this;
+}
+
+void DepthFirstConstIterator::backtrack()
+{
+    if (m_history.count()) {
+        const int index = m_history.top();
+        m_history.pop();
+
+        const QObjectList& siblings = m_pointee->parent()->children();
+        if (siblings.count() > index + 1) {
+            m_history.push(index + 1);
+            m_pointee = siblings[index + 1];
+        }
+        else {
+            m_pointee = m_pointee->parent();
+            backtrack();
+        }
+    }
+    else {
+        // Reached end of search
+        m_pointee = 0;
+    }
+}
+
+
+
+AncestorConstIterator::AncestorConstIterator()
+{
+
+}
+
+AncestorConstIterator::AncestorConstIterator(const QObject& leaf)
+{
+    m_ancestors.push(&leaf);
+    QObject* ancestor = leaf.parent();
+    while(ancestor)
+    {
+        m_ancestors.push(ancestor);
+        ancestor = ancestor->parent();
+    }
+}
+
+} // namespace ObjectTree
+
+QT_END_NAMESPACE
+