deskflow/src/lib/base/TMethodEventJob.h

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2012-2016 Symless Ltd.
 * Copyright (C) 2004 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 "IEventJob.h"

//! Use a member function as an event job
/*!
An event job class that invokes a member function.
*/
template <class T> class TMethodEventJob : public IEventJob {
public:
  //! run(event) invokes \c object->method(event, arg)
  TMethodEventJob(T *object, void (T::*method)(const Event &, void *),
                  void *arg = NULL);
  virtual ~TMethodEventJob();

  // IJob overrides
  virtual void run(const Event &);

private:
  T *m_object;
  void (T::*m_method)(const Event &, void *);
  void *m_arg;
};

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

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

template <class T> inline void TMethodEventJob<T>::run(const Event &event) {
  if (m_object != NULL) {
    (m_object->*m_method)(event, m_arg);
  }
}