--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbwidgets/itemviews/hbtreemodeliterator_p_p.h	Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbWidgets module of the UI Extensions for Mobile.
+**
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at developer.feedback@nokia.com.
+**
+****************************************************************************/
+
+#ifndef HBTREEMODELITERATOR_P_P_H
+#define HBTREEMODELITERATOR_P_P_H
+
+#include <hbglobal.h>
+#include "hbtreemodeliterator_p.h"
+#include "hbmodeliterator_p.h"
+
+QT_BEGIN_NAMESPACE
+class QAbstractItemModel;
+class QModelIndex;
+QT_END_NAMESPACE
+
+class HbAbstractItemContainer;
+class HbTreeModelIterator;
+
+class HbTreeModelIteratorPrivate : public HbModelIteratorPrivate
+{
+    Q_DECLARE_PUBLIC(HbTreeModelIterator)
+
+public:
+    HbTreeModelIteratorPrivate();
+    ~HbTreeModelIteratorPrivate();
+
+    QModelIndex first(const QModelIndex &parent) const;
+    QModelIndex last(const QModelIndex &parent) const;
+    int childIndexCount(const QModelIndex &index) const;
+    void resetCache();
+    int searchForward(const QModelIndex &index) const;
+    int searchBackward(const QModelIndex &index) const;
+    QModelIndexList createParentChainList(const QModelIndex &index) const;
+    bool isExpanded(const QModelIndex &index) const;
+    bool isExpandedBranch(const QModelIndex &index) const;
+    inline bool isInCountCache(const QModelIndex &index) const;
+    inline bool isInPositionCache(const QModelIndex &index) const;
+
+    struct CachedIndexCount {
+        int count;
+        QModelIndex index;
+        CachedIndexCount(int c = 0, QModelIndex i = QModelIndex()) {count = c; index = i;};
+    };
+
+    mutable struct CachedIndexCount mCachedCount;
+    mutable struct CachedIndexCount mCachedPosition;
+
+    HbAbstractItemContainer *mItemContainer;
+    int mExpansionKey;
+    bool mUseCache;
+};
+
+bool HbTreeModelIteratorPrivate::isInCountCache(const QModelIndex &index) const
+{
+    return (mUseCache
+            && index == mCachedCount.index)
+            && (mCachedCount.count >= 0);
+}
+
+inline bool HbTreeModelIteratorPrivate::isInPositionCache(const QModelIndex &index) const
+{
+    return (mUseCache
+            && index == mCachedPosition.index)
+            && (mCachedPosition.count >= 0);
+}
+
+#endif // HBMODELITERATOR_P_P_H