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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 _SDR_OBJECTUSER_HXX
#define _SDR_OBJECTUSER_HXX
#include <vector>
////////////////////////////////////////////////////////////////////////////////////////////////////
// predeclarations
class SdrObject;
////////////////////////////////////////////////////////////////////////////////////////////////////
// To make things more safe, allow users of the page to register at it. The users need to be derived
// from sdr::PageUser to get a call. The users do not need to call RemovePageUser() at the page
// when they get called from PageInDestruction().
namespace sdr
{
class ObjectUser
{
public:
// this method is called form the destructor of the referenced page.
// do all necessary action to forget the page. It is not necessary to call
// RemovePageUser(), that is done form the destructor.
virtual void ObjectInDestruction(const SdrObject& rObject) = 0;
protected:
~ObjectUser() {}
};
// typedef for ObjectUserVector
typedef ::std::vector< ObjectUser* > ObjectUserVector;
} // end of namespace sdr
////////////////////////////////////////////////////////////////////////////////////////////////////
#endif //_SDR_OBJECTUSER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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