libreoffice/sw/source/core/docnode/observablethread.cxx

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#include "precompiled_sw.hxx"
#include <observablethread.hxx>

#include <boost/shared_ptr.hpp>

/** class for an observable thread

    OD 2007-01-29 #i73788#

    @author OD
*/
ObservableThread::ObservableThread()
    : mnRefCount( 0 ),
      mnThreadID( 0 ),
      mpThreadListener()
{
}

ObservableThread::~ObservableThread()
{
}

oslInterlockedCount ObservableThread::acquire()
{
    return osl_incrementInterlockedCount( &mnRefCount );
}

oslInterlockedCount ObservableThread::release()
{
    oslInterlockedCount nCount( osl_decrementInterlockedCount( &mnRefCount ) );
    if ( nCount == 0 )
    {
        delete this;
        return nCount;
    }

    return nCount;
}

void ObservableThread::SetListener( boost::weak_ptr< IFinishedThreadListener > pThreadListener,
                                    const oslInterlockedCount nThreadID )
{
    mpThreadListener = pThreadListener;
    mnThreadID = nThreadID;
}

void SAL_CALL ObservableThread::run()
{
    acquire();

    threadFunction();
}

void SAL_CALL ObservableThread::onTerminated()
{
    threadFinished();

    // notify observer
    boost::shared_ptr< IFinishedThreadListener > pThreadListener = mpThreadListener.lock();
    if ( pThreadListener )
    {
        pThreadListener->NotifyAboutFinishedThread( mnThreadID );
    }

    release();
}

void ObservableThread::threadFinished()
{
    // empty default implementation
}