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diff --git a/odk/examples/cpp/complextoolbarcontrols/ListenerHelper.h b/odk/examples/cpp/complextoolbarcontrols/ListenerHelper.h
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+++ b/odk/examples/cpp/complextoolbarcontrols/ListenerHelper.h
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_EXAMPLES_COMPLEXTOOLBARCONTROLS_LISTENERHELPER_H
+#define INCLUDED_EXAMPLES_COMPLEXTOOLBARCONTROLS_LISTENERHELPER_H
+
+#include <map>
+#include <vector>
+
+#include <com/sun/star/frame/XFrame.hpp>
+#include <com/sun/star/frame/XStatusListener.hpp>
+#include <com/sun/star/frame/XDispatch.hpp>
+
+#include <rtl/ustring.hxx>
+#include <cppuhelper/implbase1.hxx>
+
+typedef std::vector < com::sun::star::uno::Reference < com::sun::star::frame::XStatusListener > > StatusListeners;
+
+typedef std::map < ::rtl::OUString, StatusListeners > ListenerMap;
+
+// For every frame there is *one* Dispatch object for all possible commands
+// this struct contains an array of listeners for every supported command
+// these arrays are accessed by a std::map (with the command string as index)
+struct ListenerItem
+{
+    ListenerMap aContainer;
+    ::com::sun::star::uno::Reference< com::sun::star::frame::XDispatch > xDispatch;
+    ::com::sun::star::uno::Reference< com::sun::star::frame::XFrame > xFrame;
+};
+
+typedef std::vector < ListenerItem > AllListeners;
+
+class ListenerHelper
+{
+public:
+    void AddListener(
+        const com::sun::star::uno::Reference < com::sun::star::frame::XFrame >& xFrame,
+        const com::sun::star::uno::Reference < com::sun::star::frame::XStatusListener > xControl,
+        const ::rtl::OUString& aCommand );
+    void RemoveListener(
+        const com::sun::star::uno::Reference < com::sun::star::frame::XFrame >& xFrame,
+        const com::sun::star::uno::Reference < com::sun::star::frame::XStatusListener > xControl,
+        const ::rtl::OUString& aCommand );
+    void Notify(
+        const com::sun::star::uno::Reference < com::sun::star::frame::XFrame >& xFrame,
+        const ::rtl::OUString& aCommand,
+        com::sun::star::frame::FeatureStateEvent& rEvent );
+    com::sun::star::uno::Reference < com::sun::star::frame::XDispatch > GetDispatch(
+        const com::sun::star::uno::Reference < com::sun::star::frame::XFrame >& xFrame,
+        const ::rtl::OUString& aCommand );
+    void AddDispatch(
+        const com::sun::star::uno::Reference < com::sun::star::frame::XDispatch > xDispatch,
+        const com::sun::star::uno::Reference < com::sun::star::frame::XFrame >& xFrame,
+        const ::rtl::OUString& aCommand );
+};
+
+class ListenerItemEventListener : public cppu::WeakImplHelper1 < ::com::sun::star::lang::XEventListener >
+{
+    ::com::sun::star::uno::Reference< com::sun::star::frame::XFrame > mxFrame;
+public:
+    ListenerItemEventListener( const com::sun::star::uno::Reference < com::sun::star::frame::XFrame >& xFrame)
+        : mxFrame(xFrame)
+    {}
+    virtual void SAL_CALL disposing( const com::sun::star::lang::EventObject& aEvent );
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */