GyotoHooks.h

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/*
    Copyright 2012-2013 Thibaut Paumard
 
    This file is part of Gyoto.
 
    Gyoto 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 3 of the License, or
    (at your option) any later version.
 
    Gyoto 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 Gyoto.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __GyotoHooks_h
#define __GyotoHooks_h
 
namespace Gyoto {
  namespace Hook {
    class Teller;
 
    class Listener;
  }
}
 
class Gyoto::Hook::Listener {
  friend class Gyoto::Hook::Teller;
 public:
  Listener(); 
  virtual ~Listener(); 
 
 protected:
  virtual void tell(Gyoto::Hook::Teller *msg);
};
 
class Gyoto::Hook::Teller {
  friend class Gyoto::Hook::Listener;
 private:
  class ListenerItem;
 
  ListenerItem *listeners_;
 
 public:
  Teller(); 
  Teller(const Teller &); 
  virtual ~Teller(); 
 
  virtual void hook (Listener * listener);
 
  virtual void unhook (Listener * listener);
 
 protected:
  virtual void tellListeners();
};
 
#endif