sd/source/helper/simplereferencecomponent.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <helper/simplereferencecomponent.hxx>
  21
  22 #include <com/sun/star/uno/RuntimeException.hpp>
  23 #include <osl/diagnose.h>
  24
  25 #include <new>
  26
  27 using com::sun::star::uno::RuntimeException;
  28 using sd::SimpleReferenceComponent;
  29
  30 SimpleReferenceComponent::SimpleReferenceComponent()
  31 : m_nCount(0)
  32 , mbDisposed(false)
  33 {
  34 }
  35
  36 SimpleReferenceComponent::~SimpleReferenceComponent()
  37 {
  38     OSL_ASSERT(m_nCount == 0);
  39     OSL_ASSERT(mbDisposed);
  40 }
  41
  42 void SimpleReferenceComponent::acquire()
  43 {
  44     osl_atomic_increment(&m_nCount);
  45 }
  46
  47 void SimpleReferenceComponent::release()
  48 {
  49     if((1 == m_nCount) && !mbDisposed)
  50     {
  51         try
  52         {
  53             Dispose();
  54         }
  55         catch (RuntimeException & exc ) // don't break throw ()
  56         {
  57             SAL_WARN( "sd", exc );
  58         }
  59     }
  60
  61     if(osl_atomic_decrement(&m_nCount) == 0) delete this;
  62 }
  63
  64 void SimpleReferenceComponent::Dispose()
  65 {
  66     if( !mbDisposed )
  67     {
  68         mbDisposed = true;
  69         disposing();
  70     }
  71 }
  72
  73 void SimpleReferenceComponent::disposing()
  74 {
  75 }
  76
  77 void * SimpleReferenceComponent::operator new(std::size_t nSize)
  78 {
  79     return ::operator new(nSize);
  80 }
  81
  82 void * SimpleReferenceComponent::operator new(std::size_t nSize,
  83                                            std::nothrow_t const &
  84 #ifndef _WIN32
  85                                            rNothrow
  86 #endif
  87                                            )
  88 {
  89 #if defined(_WIN32)
  90     return ::operator new(nSize);
  91         // WNT lacks a global nothrow operator new...
  92 #else // WNT
  93     return ::operator new(nSize, rNothrow);
  94 #endif // WNT
  95 }
  96
  97 void SimpleReferenceComponent::operator delete(void * pPtr)
  98 {
  99     ::operator delete(pPtr);
 100 }
 101
 102 void SimpleReferenceComponent::operator delete(void * pPtr,
 103                                             std::nothrow_t const &
 104 #ifndef _WIN32
 105                                             rNothrow
 106 #endif
 107 )
 108 {
 109 #if defined(_WIN32)
 110     ::operator delete(pPtr); // WNT lacks a global nothrow operator delete...
 111 #else // WNT
 112     ::operator delete(pPtr, rNothrow);
 113 #endif // WNT
 114 }
 115
 116 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */