File indexing completed on 2024-12-08 03:36:34

 /*
     SPDX-FileCopyrightText: 2010 Nokia Corporation and /or its subsidiary(-ies) <qt-info@nokia.com>
     All rights reserved.
 
     This file is part of the examples of the Qt Toolkit.
 
     SPDX-License-Identifier: BSD-3-Clause
 */
 
 #include "Thread.h"
 
 #include <QSignalMapper>
 
 Thread::Thread( QObject * const parent )
     : QThread( parent )
 {
     // we need a class that receives signals from other threads and emits a signal in response
     m_shutDownHelper = new QSignalMapper;
     m_shutDownHelper->setMapping( this, 0 );
     connect( this, SIGNAL(started()), this, SLOT(setReadyStatus()), Qt::DirectConnection );
     connect( this, SIGNAL(aboutToStop()), m_shutDownHelper, SLOT(map()));
 }
 
 Thread::~Thread()
 {
     delete m_shutDownHelper;
 }
 
 // starts thread, moves worker to this thread and blocks
 void Thread::launchWorker( QObject * const worker )
 {
     m_worker = worker;
     start();
     m_worker->moveToThread( this );
     m_shutDownHelper->moveToThread( this );
     connect( m_shutDownHelper, SIGNAL(mapped(int)), this, SLOT(stopExecutor()), Qt::DirectConnection );
     m_mutex.lock();
     m_waitCondition.wait( &m_mutex );
 }
 
 // puts a command to stop processing in the event queue of worker thread
 void Thread::stop()
 {
     emit aboutToStop();
 }
 
 // methods above this line should be called in ui thread context
 // methods below this line are private and will be run in  secondary thread context
 
 void Thread::stopExecutor()  //secondary thread context
 {
     exit();
 }
 
 void Thread::setReadyStatus()
 {
     m_waitCondition.wakeAll();
 }
 
 #include "moc_Thread.cpp"