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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_SFX2_SIDEBAR_CONTROLLERITEM_HXX
+#define INCLUDED_SFX2_SIDEBAR_CONTROLLERITEM_HXX
+
+#include <sfx2/ctrlitem.hxx>
+
+namespace com::sun::star::lang { class XComponent; }
+
+
+namespace sfx2::sidebar {
+
+/** The sfx2::sidebar::ControllerItem is a wrapper around the
+ SfxControllerItem that becomes necessary to allow objects (think
+ sidebar panels) to receive state changes without having one
+ SfxControllerItem per supported item as base class (which is not
+ possible in C++ anyway).
+
+ It also gives access to the label and icon of a slot/command.
+*/
+class SFX2_DLLPUBLIC ControllerItem final
+ : public SfxControllerItem
+{
+public:
+ class SFX2_DLLPUBLIC ItemUpdateReceiverInterface
+ {
+ public:
+ virtual void NotifyItemUpdate(
+ const sal_uInt16 nSId,
+ const SfxItemState eState,
+ const SfxPoolItem* pState) = 0;
+ virtual void GetControlState(
+ const sal_uInt16 nSId,
+ boost::property_tree::ptree& rState) = 0;
+ virtual ~ItemUpdateReceiverInterface();
+ };
+
+ /** This is the simpler constructor variant that still exists for
+ compatibility reasons. Note that GetLabel() and GetIcon() will
+ return empty strings/images.
+ */
+ ControllerItem (
+ const sal_uInt16 nId,
+ SfxBindings &rBindings,
+ ItemUpdateReceiverInterface& rItemUpdateReceiver);
+
+ virtual ~ControllerItem() override;
+
+ /** Force the controller item to call its NotifyItemUpdate
+ callback with up-to-date data.
+ */
+ void RequestUpdate();
+
+private:
+
+ virtual void StateChanged (sal_uInt16 nSId, SfxItemState eState, const SfxPoolItem* pState) override;
+ virtual void GetControlState (sal_uInt16 nSId, boost::property_tree::ptree& rState) override;
+
+ ItemUpdateReceiverInterface& mrItemUpdateReceiver;
+};
+
+} // end of namespace sfx2::sidebar
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */