deskflow/src/lib/base/TMethodJob.h

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2012-2016 Symless Ltd.
 * Copyright (C) 2002 Chris Schoeneman
 *
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file LICENSE that should have accompanied this file.
 *
 * This package 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include "IJob.h"

//! Use a function as a job
/*!
A job class that invokes a member function.
*/
template <class T> class TMethodJob : public IJob {
public:
  //! run() invokes \c object->method(arg)
  TMethodJob(T *object, void (T::*method)(void *), void *arg = NULL);
  virtual ~TMethodJob();

  // IJob overrides
  virtual void run();

private:
  T *m_object;
  void (T::*m_method)(void *);
  void *m_arg;
};

template <class T>
inline TMethodJob<T>::TMethodJob(T *object, void (T::*method)(void *),
                                 void *arg)
    : m_object(object), m_method(method), m_arg(arg) {
  // do nothing
}

template <class T> inline TMethodJob<T>::~TMethodJob() {
  // do nothing
}

template <class T> inline void TMethodJob<T>::run() {
  if (m_object != NULL) {
    (m_object->*m_method)(m_arg);
  }
}