include/comphelper/componentguard.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 #ifndef INCLUDED_COMPHELPER_COMPONENTGUARD_HXX
  21 #define INCLUDED_COMPHELPER_COMPONENTGUARD_HXX
  22
  23 #include <com/sun/star/lang/DisposedException.hpp>
  24
  25 #include <cppuhelper/weak.hxx>
  26 #include <cppuhelper/interfacecontainer.hxx>
  27
  28
  29 namespace comphelper
  30 {
  31
  32
  33     //= ComponentGuard
  34
  35     class ComponentGuard
  36     {
  37     public:
  38         ComponentGuard( ::cppu::OWeakObject& i_component, ::cppu::OBroadcastHelper & i_broadcastHelper )
  39             :m_aGuard( i_broadcastHelper.rMutex )
  40         {
  41             if ( i_broadcastHelper.bDisposed )
  42                 throw css::lang::DisposedException( OUString(), &i_component );
  43         }
  44
  45         void clear()    { m_aGuard.clear(); }
  46         void reset()    { m_aGuard.reset(); }
  47
  48     private:
  49         ::osl::ResettableMutexGuard m_aGuard;
  50     };
  51
  52
  53 } // namespace comphelper
  54
  55
  56 #endif // INCLUDED_COMPHELPER_COMPONENTGUARD_HXX
  57
  58 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */