Line data    Source code

       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 <observablethread.hxx>
      21             : #include <boost/shared_ptr.hpp>
      22             : 
      23             : /* class for an observable thread
      24             : 
      25             :    #i73788#
      26             : */
      27           4 : ObservableThread::ObservableThread()
      28             :     : mnRefCount( 0 ),
      29             :       mnThreadID( 0 ),
      30           4 :       mpThreadListener()
      31             : {
      32           4 : }
      33             : 
      34           4 : ObservableThread::~ObservableThread()
      35             : {
      36           4 : }
      37             : 
      38          24 : oslInterlockedCount ObservableThread::acquire()
      39             : {
      40          24 :     return osl_atomic_increment( &mnRefCount );
      41             : }
      42             : 
      43          24 : oslInterlockedCount ObservableThread::release()
      44             : {
      45          24 :     oslInterlockedCount nCount( osl_atomic_decrement( &mnRefCount ) );
      46          24 :     if ( nCount == 0 )
      47           4 :         delete this;
      48          24 :     return nCount;
      49             : }
      50             : 
      51           4 : void ObservableThread::SetListener( boost::weak_ptr< IFinishedThreadListener > pThreadListener,
      52             :                                     const oslInterlockedCount nThreadID )
      53             : {
      54           4 :     mpThreadListener = pThreadListener;
      55           4 :     mnThreadID = nThreadID;
      56           4 : }
      57             : 
      58           4 : void SAL_CALL ObservableThread::run()
      59             : {
      60           4 :     acquire();
      61             : 
      62           4 :     threadFunction();
      63           4 : }
      64             : 
      65           4 : void SAL_CALL ObservableThread::onTerminated()
      66             : {
      67           4 :     threadFinished();
      68             : 
      69             :     // notify observer
      70           4 :     boost::shared_ptr< IFinishedThreadListener > pThreadListener = mpThreadListener.lock();
      71           4 :     if ( pThreadListener )
      72             :     {
      73           4 :         pThreadListener->NotifyAboutFinishedThread( mnThreadID );
      74             :     }
      75             : 
      76           4 :     release();
      77           4 : }
      78             : 
      79           4 : void ObservableThread::threadFinished()
      80             : {
      81             :     // empty default implementation
      82           4 : }
      83             : 
      84             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */