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-rw-r--r--src/3rdparty/phonon/mmf/objecttree.cpp100
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diff --git a/src/3rdparty/phonon/mmf/objecttree.cpp b/src/3rdparty/phonon/mmf/objecttree.cpp
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+/* 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
+