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Diffstat (limited to 'sd/inc/helper/simplereferencecomponent.hxx')
-rw-r--r-- | sd/inc/helper/simplereferencecomponent.hxx | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/sd/inc/helper/simplereferencecomponent.hxx b/sd/inc/helper/simplereferencecomponent.hxx new file mode 100644 index 000000000000..115457286663 --- /dev/null +++ b/sd/inc/helper/simplereferencecomponent.hxx @@ -0,0 +1,115 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _SD_SIMPLEREFERENCECOMPONENT_HXX_ +#define _SD_SIMPLEREFERENCECOMPONENT_HXX_ + +#include "osl/interlck.h" +#include "sal/types.h" + +#include <cstddef> +#include <new> + +#include <sddllapi.h> + +namespace sd { + +/** A simple base implementation for reference-counted components. + acts like sal::SimpleReferenceObject but calls the virtual disposing() + methods before the ref count switches from 1 to zero. + */ +class SimpleReferenceComponent +{ +public: + SimpleReferenceComponent(); + + /** @ATTENTION + The results are undefined if, for any individual instance of + SimpleReferenceComponent, the total number of calls to acquire() exceeds + the total number of calls to release() by a plattform dependent amount + (which, hopefully, is quite large). + */ + SD_DLLPUBLIC void acquire(); + SD_DLLPUBLIC void release(); + + void Dispose(); + + bool isDisposed() const { return mbDisposed; } + + /** see general class documentation + */ + static void * operator new(std::size_t nSize) SAL_THROW((std::bad_alloc)); + + /** see general class documentation + */ + static void * operator new(std::size_t nSize, + std::nothrow_t const & rNothrow) + ; + + /** see general class documentation + */ + static void operator delete(void * pPtr); + + /** see general class documentation + */ + static void operator delete(void * pPtr, std::nothrow_t const & rNothrow) + ; + +protected: + virtual void disposing(); + + virtual ~SimpleReferenceComponent(); + +private: + oslInterlockedCount m_nCount; + + /** not implemented + @internal + */ + SimpleReferenceComponent(SimpleReferenceComponent &); + + /** not implemented + @internal + */ + void operator =(SimpleReferenceComponent); + + /** not implemented (see general class documentation) + @internal + */ + static void * operator new[](std::size_t); + + /** not implemented (see general class documentation) + @internal + */ + static void operator delete[](void * pPtr); + + bool mbDisposed; +}; + +} + +#endif // _SALHELPER_SimpleReferenceComponent_HXX_ |