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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_VCL_REFERENCE_HXX
#define INCLUDED_VCL_REFERENCE_HXX
#include <rtl/ref.hxx>
/**
* A thin wrapper around rtl::Reference to implement the acquire and dispose semantics we want for references to vcl::Window subclasses.
* @param reference_type must be a subclass of vcl::Window
*/
template <class reference_type>
class VclReference
{
::rtl::Reference<reference_type> m_rInnerRef;
public:
/** Constructor...
*/
inline VclReference()
: m_rInnerRef()
{}
/** Constructor...
*/
inline VclReference (reference_type * pBody)
: m_rInnerRef(pBody)
{}
/** Copy constructor...
*/
inline VclReference (const VclReference<reference_type> & handle)
: m_rInnerRef (handle.m_rInnerRef)
{}
/** Get the body. Can be used instead of operator->().
I.e. handle->someBodyOp() and handle.get()->someBodyOp()
are the same.
*/
inline reference_type * SAL_CALL get() const
{
return m_rInnerRef.get();
}
/** Probably most common used: handle->someBodyOp().
*/
inline reference_type * SAL_CALL operator->() const
{
return m_rInnerRef.get();
}
inline void disposeAndClear()
{
// hold it alive for the lifetime of this method
::rtl::Reference<reference_type> aTmp(m_rInnerRef);
m_rInnerRef.clear(); // we should use some 'swap' method ideally ;-)
if (aTmp.get())
aTmp->dispose();
}
}; // class VclReference
#endif // INCLUDED_VCL_REFERENCE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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