threadbase.cpp

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/*****************************************************************************
 * Copyright 2016-2017 Karolin Stange, Christoph Wick, and Haye Hinrichsen
 *
 * This file is part of JustIntonation.
 *
 * JustIntonation is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * JustIntonation is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along 
 * with JustIntonation. If not, see http://www.gnu.org/licenses/.
 *****************************************************************************/

//=============================================================================
//         Thread base - a universal base class for threaded modules
//=============================================================================

#include "threadbase.h"

#include <QDebug>

//-----------------------------------------------------------------------------
//                                Constructor
//-----------------------------------------------------------------------------

ThreadBase::ThreadBase()
    : mThreadWorker(this)
    , mSuspended(false)
{
}


//-----------------------------------------------------------------------------
//                                 Destructor
//-----------------------------------------------------------------------------

ThreadBase::~ThreadBase()
{ stop(); }


//-----------------------------------------------------------------------------
//                                Start thread
//-----------------------------------------------------------------------------

bool ThreadBase::start()
{
    ThreadBase::resume();
    return mThreadWorker.start();
}


//-----------------------------------------------------------------------------
//                                  Suspend
//-----------------------------------------------------------------------------

void ThreadBase::suspend()
{
    emit mThreadWorker.stopTimer();
    mSuspended = true;
}


//-----------------------------------------------------------------------------
//                                  Resume
//-----------------------------------------------------------------------------

void ThreadBase::resume()
{
    emit mThreadWorker.startTimer();
     mSuspended = false;
}


//----------------------------- Setter functions ------------------------------

void ThreadBase::setPriority(const QThread::Priority p)
{ mThreadWorker.setPriority(p); }

void ThreadBase::setVerbosity(int verbosity)
{ Log::setVerbosity(verbosity); mThreadWorker.setVerbosity(verbosity); }

void ThreadBase::setTimerInterval(const int msec, const int firstMsec)
{ mThreadWorker.setTimerInterval(msec,firstMsec); }

void ThreadBase::setThreadName(const QString name)
{ mThreadWorker.setThreadName(name); }


//------------------------------- Getter functions ----------------------------

bool ThreadBase::isInterruptionRequested() const
{ return mThreadWorker.isInterruptionRequested(); }

QString ThreadBase::getThreadName() const
{ return mThreadWorker.getThreadName(); }

bool ThreadBase::isActive() const
{ return mThreadWorker.isRunning() and not mSuspended; }


//-----------------------------------------------------------------------------
//                                 Stop thread
//-----------------------------------------------------------------------------

bool ThreadBase::stop()
{
    mSuspended = false;
    return mThreadWorker.stop();
}


//-----------------------------------------------------------------------------
//                            Private slot: timeout
//-----------------------------------------------------------------------------

void ThreadBase::timeout()
{
    if (not mSuspended) periodicallyCalledWorker();
}