k3b/libk3b/core/k3bthreadjob.h

/*
 *
 * $Id: k3bthreadjob.h 619556 2007-01-03 17:38:12Z trueg $
 * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
 *
 * This file is part of the K3b project.
 * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 * See the file "COPYING" for the exact licensing terms.
 */


#ifndef _K3B_THREAD_JOB_H_
#define _K3B_THREAD_JOB_H_

#include "k3bjob.h"
#include "k3b_export.h"
class TQCustomEvent;
class K3bThread;


/**
 * A Wrapper to use a K3bThread just like a K3bJob.
 * Usage:
 * <pre>
 *   K3bThread* thread = new MySuperThread(...);
 *   K3bThreadJob* job = new K3bThreadJob( thread, ... );
 *   K3bBurnProgressDialog d;
 *   d.setJob(job);
 *   job->start();
 *   d.exec();
 *   delete job;
 * </pre>
 * Be aware that K3bThreadJob'd destructor does NOT delete the thread.
 */
class LIBK3B_EXPORT K3bThreadJob : public K3bJob
{
  Q_OBJECT
  TQ_OBJECT

 public:
  K3bThreadJob( K3bJobHandler*, TQObject* parent = 0, const char* name = 0 );
  K3bThreadJob( K3bThread*, K3bJobHandler*, TQObject* parent = 0, const char* name = 0 );
  virtual ~K3bThreadJob();

  void setThread( K3bThread* t );
  K3bThread* thread() const { return m_thread; }

  /**
   * \reimplemented from K3bJob
   *
   * \return true if the job has been started and has not yet
   * emitted the finished signal
   */
  virtual bool active() const { return m_running; }

  virtual TQString jobDescription() const;
  virtual TQString jobDetails() const;

 public slots:
  virtual void start();
  virtual void cancel();

 protected:
  /**
   * converts K3bThread events to K3bJob signals
   */
  virtual void customEvent( TQCustomEvent* );

  /**
   * Reimplement this method to do some housekeeping once
   * the thread has finished.
   *
   * The default implementation does nothing.
   *
   * \param success True if the thread finished successfully
   */
  virtual void cleanupJob( bool success );

 private:
  K3bThread* m_thread;
  bool m_running;
};

#endif