/**
  * Scan directory for new XDR files
  * $Id$
  * $HeadURL$
  * $Author$
  */

#include "XDR_DirHandler.h"

#include <QtCore/QTimer>
#include <QtCore/QThread>

#ifdef WIN32
#include "XDR_DirHandler_win.h"
#else
#include "XDR_DirHandler_linux.h"
#endif

XDR_DirHandler::XDR_DirHandler(const QString &dirToWatch, bool startWatching, QObject *parent)
  : QObject(parent)
  , m_workerThread(new QThread)
  , m_workerObject(nullptr)
  , m_startWatching(startWatching)
  , m_dirToWatch(dirToWatch)
{
#ifdef WIN32
  m_workerObject = new XDR_DirHandlerWin(dirToWatch);
#else
  m_workerObject = new XDR_DirHandlerLinux(dirToWatch);
#endif
  m_workerThread->start();
  m_workerObject->moveToThread(m_workerThread);
  connect(m_workerObject, &XDR_DirHandlerIfc::newTelegramArrived,
          this, &XDR_DirHandler::newTelegramArrived);
  connect(m_workerThread, &QThread::finished,
          m_workerObject, &XDR_DirHandlerIfc::deleteLater);
  if (startWatching)
    QTimer::singleShot(0, m_workerObject, &XDR_DirHandlerIfc::startWatching);
}

XDR_DirHandler::~XDR_DirHandler()
{
  m_workerThread->requestInterruption();
  m_workerThread->quit();
  if (!m_workerThread->wait(10000))
    m_workerThread->terminate();
  delete m_workerThread;
}

void XDR_DirHandler::startWatching()
{
  if (!m_startWatching)
  {
    QTimer::singleShot(0, m_workerObject, &XDR_DirHandlerIfc::startWatching);
    m_startWatching = true;
  }
}