LCOV - code coverage report
Current view: top level - sw/source/core/inc - observablethread.hxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 4 4 100.0 %
Date: 2015-06-13 12:38:46 Functions: 2 2 100.0 %
Legend: Lines: hit not hit

          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             : #ifndef INCLUDED_SW_SOURCE_CORE_INC_OBSERVABLETHREAD_HXX
      20             : #define INCLUDED_SW_SOURCE_CORE_INC_OBSERVABLETHREAD_HXX
      21             : 
      22             : #include <osl/thread.hxx>
      23             : #include <rtl/ref.hxx>
      24             : #include <osl/interlck.h>
      25             : 
      26             : #include <boost/weak_ptr.hpp>
      27             : #include <salhelper/simplereferenceobject.hxx>
      28             : #include <ifinishedthreadlistener.hxx>
      29             : 
      30             : /** class for an observable thread
      31             : 
      32             :     OD 2007-01-29 #i73788#
      33             :     Note: A thread is ref-counted. Thus, an instance of a derived class has to
      34             :     to be hold via a reference. The thread itself assures during its execution,
      35             :     that the ref-count is increased. Its execution starts with its <run()> method
      36             :     and ends with its <onTerminated()> method.
      37             :     Note: A thread can be only observed by one or none thread observer in order
      38             :     to notify, that the thread has finished its work.
      39             : */
      40             : class ObservableThread : public osl::Thread,
      41             :                          public salhelper::SimpleReferenceObject
      42             : {
      43             :     public:
      44             : 
      45             :         virtual ~ObservableThread();
      46             : 
      47             :         void SetListener( boost::weak_ptr< IFinishedThreadListener > pThreadListener,
      48             :                           const oslInterlockedCount nThreadID );
      49             : 
      50           4 :         static inline void * operator new(std::size_t size)
      51           4 :         { return SimpleReferenceObject::operator new(size); }
      52             : 
      53           4 :         static inline void operator delete(void * pointer)
      54           4 :         { SimpleReferenceObject::operator delete(pointer); }
      55             : 
      56             :     protected:
      57             : 
      58             :         ObservableThread();
      59             : 
      60             :         /** intrinsic function of the thread
      61             : 
      62             :             Important note:
      63             :             Do not override this method again. Instead override <threadFunction()>.
      64             :             Otherwise, it's not guaranteed, that its ref-count is increased
      65             :             during the execution of the thread.
      66             :         */
      67             :         virtual void SAL_CALL run() SAL_OVERRIDE;
      68             : 
      69             :         virtual void threadFunction() = 0;
      70             : 
      71             :         /** method called, when thread has finished its work
      72             : 
      73             :             Important note:
      74             :             Do not override this method again. Instead override <threadFinished()>.
      75             :             Otherwise, it's not guaranteed, that the ref-count is decreased at
      76             :             the end of its execution and that the observer is notified, that
      77             :             the thread has finished its work.
      78             :         */
      79             :         virtual void SAL_CALL onTerminated() SAL_OVERRIDE;
      80             : 
      81             :     private:
      82             : 
      83             :         oslInterlockedCount mnThreadID;
      84             : 
      85             :         boost::weak_ptr< IFinishedThreadListener > mpThreadListener;
      86             : 
      87             : };
      88             : #endif
      89             : 
      90             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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