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diff --git a/sfx2/source/sidebar/CommandInfoProvider.hxx b/sfx2/source/sidebar/CommandInfoProvider.hxx
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+++ b/sfx2/source/sidebar/CommandInfoProvider.hxx
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+/*
+ * 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 SIDEBAR_COMMAND_INFO_PROVIDER_HXX
+#define SIDEBAR_COMMAND_INFO_PROVIDER_HXX
+
+#include <com/sun/star/frame/XFrame.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/ui/XAcceleratorConfiguration.hpp>
+
+
+namespace css = ::com::sun::star;
+namespace cssu = ::com::sun::star::uno;
+
+namespace sfx2 { namespace sidebar {
+
+/** Provide information about UNO commands like tooltip text with
+    keyboard accelerator.
+*/
+class CommandInfoProvider
+{
+public:
+    /** Return the singleton instance.
+
+        It caches some objects for the last XFrame object given to
+        GetLabelForCommand.  These objects are release and created new
+        when that method is called with a different XFrame from the
+        last call.
+
+        Lifetime control should work but could be more elegant.
+    */
+    static CommandInfoProvider& Instance (void);
+
+    /** Return a label for the given command.
+        @param rsCommandName
+            The command name is expected to start with .uno:
+        @param rxFrame
+            The frame is used to identify the module and document.
+        @return
+            The returned label contains the keyboard accelerator, if
+            one is defined.
+    */
+    ::rtl::OUString GetLabelForCommand (
+        const ::rtl::OUString& rsCommandName,
+        const cssu::Reference<css::frame::XFrame>& rxFrame);
+
+    /** Do not call.  Should be part of a local and hidden interface.
+    */
+    void SetFrame (const cssu::Reference<css::frame::XFrame>& rxFrame);
+
+  private:
+    cssu::Reference<css::lang::XMultiServiceFactory> mxServiceFactory;
+    cssu::Reference<css::frame::XFrame> mxCachedDataFrame;
+    cssu::Reference<css::ui::XAcceleratorConfiguration> mxCachedDocumentAcceleratorConfiguration;
+    cssu::Reference<css::ui::XAcceleratorConfiguration> mxCachedModuleAcceleratorConfiguration;
+    cssu::Reference<css::ui::XAcceleratorConfiguration> mxCachedGlobalAcceleratorConfiguration;
+    ::rtl::OUString msCachedModuleIdentifier;
+    cssu::Reference<css::lang::XComponent> mxFrameListener;
+
+    CommandInfoProvider (void);
+    ~CommandInfoProvider (void);
+
+    cssu::Reference<css::ui::XAcceleratorConfiguration> GetDocumentAcceleratorConfiguration (void);
+    cssu::Reference<css::ui::XAcceleratorConfiguration> GetModuleAcceleratorConfiguration (void);
+    cssu::Reference<css::ui::XAcceleratorConfiguration> GetGlobalAcceleratorConfiguration(void);
+    ::rtl::OUString GetModuleIdentifier (void);
+    ::rtl::OUString GetCommandShortcut (const ::rtl::OUString& rCommandName);
+    cssu::Sequence<css::beans::PropertyValue> GetCommandProperties (
+        const ::rtl::OUString& rsCommandName);
+    ::rtl::OUString GetCommandLabel (const ::rtl::OUString& rsCommandName);
+    rtl::OUString RetrieveShortcutsFromConfiguration(
+        const cssu::Reference<css::ui::XAcceleratorConfiguration>& rxConfiguration,
+        const rtl::OUString& rsCommandName);
+};
+
+} } // end of namespace sfx2/framework
+
+#endif