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diff --git a/fpicker/source/office/asyncfilepicker.hxx b/fpicker/source/office/asyncfilepicker.hxx
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+++ b/fpicker/source/office/asyncfilepicker.hxx
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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_FPICKER_SOURCE_OFFICE_ASYNCFILEPICKER_HXX
+#define INCLUDED_FPICKER_SOURCE_OFFICE_ASYNCFILEPICKER_HXX
+
+#include <tools/link.hxx>
+#include <rtl/ustring.hxx>
+#include <com/sun/star/uno/Sequence.h>
+#include <salhelper/simplereferenceobject.hxx>
+
+class SvtFileView;
+class SvtFileDialog_Base;
+
+namespace svt
+{
+
+
+    //= AsyncPickerAction
+
+    class AsyncPickerAction : public salhelper::SimpleReferenceObject
+    {
+    public:
+        enum Action
+        {
+            ePrevLevel,
+            eOpenURL,
+            eExecuteFilter
+        };
+
+    private:
+        Action                      m_eAction;
+        SvtFileView*                m_pView;
+        SvtFileDialog_Base*         m_pDialog;
+        OUString                    m_sURL;
+        OUString                    m_sFileName;
+        bool                        m_bRunning;
+
+    public:
+        AsyncPickerAction( SvtFileDialog_Base* _pDialog, SvtFileView* _pView, const Action _eAction );
+
+        /** executes the action
+
+            @param _nMinTimeout
+                the minimum timeout to wait, in milliseconds. If negative, the action will we done
+                synchronously. If between 0 and 999, it will be corrected to 1000, means the
+                smallest valid value is 1000 (which equals one second).
+            @param _nMaxTimeout
+                The maximum time to wait for a result, in milliseconds. If there's no result of
+                the action within the given time frame, the action will be cancelled.
+                If smaller than or equal to <arg>_nMinTimeout</arg>, it will be corrected to
+                <arg>_nMinTimeout</arg> + 30000.
+        */
+        void execute(
+            const OUString& _rURL,
+            const OUString& _rFilter,
+            sal_Int32 _nMinTimeout,
+            sal_Int32 _nMaxTimeout,
+            const css::uno::Sequence< OUString >& rBlackList );
+
+        /// cancels the running action
+        void cancel();
+
+    protected:
+        virtual ~AsyncPickerAction() override;
+
+    private:
+        DECL_LINK( OnActionDone, void*, void );
+
+        AsyncPickerAction( const AsyncPickerAction& ) = delete;
+        AsyncPickerAction& operator=( const AsyncPickerAction& ) = delete;
+    };
+
+
+} // namespace svt
+
+
+#endif // INCLUDED_FPICKER_SOURCE_OFFICE_ASYNCFILEPICKER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */