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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 .
+ */
+
+#pragma once
+
+#include <sfx2/toolbarids.hxx>
+
+namespace sd
+{
+typedef ToolbarId ShellId;
+
+template <class ShellType> class ShellFactory
+{
+public:
+ /** This abstract virtual class needs a destructor so that the
+ destructors of derived classes are called.
+ */
+ virtual ~ShellFactory(){};
+
+ /** Create a new instance of a view shell for the given id that will
+ be stacked onto the given view shell base.
+ @return
+ Return the new view shell or NULL when a creation is not
+ possible.
+ */
+ virtual ShellType* CreateShell(ShellId nId) = 0;
+
+ /** Tell the factory that a shell is no longer in use. It may destroy
+ it or put it for future use in a cache.
+ */
+ virtual void ReleaseShell(ShellType* pShell) = 0;
+};
+
+} // end of namespace sd
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */