listener.h

Go to the documentation of this file.

#ifndef GUM_LISTENER_H
#define GUM_LISTENER_H

#include <algorithm>
#include <vector>

#include <agrum/agrum.h>
#include <agrum/core/debug.h>

namespace gum {

#ifndef DOXYGEN_SHOULD_SKIP_THIS

  class Listener;

  namespace __sig__ {

    class ISignaler {
      public:
      virtual ~ISignaler(){};
      virtual void detachFromTarget(Listener* target) = 0;
      virtual void duplicateTarget(const Listener* oldtarget,
                                   Listener*       newtarget) = 0;
      virtual bool hasListener() = 0;
    };
  }   // namespace __sig__

#endif   // DOXYGEN_SHOULD_SKIP_THIS

  class Listener {
    private:
    typedef std::vector< __sig__::ISignaler* > Senders_list;

    public:
    Listener();

    Listener(const Listener& l);

    virtual ~Listener();

    void attachSignal__(__sig__::ISignaler* sender);

    void detachSignal__(__sig__::ISignaler* sender);

    private:
    Senders_list __senders;
  };
}   // namespace gum

#define GUM_CONNECT(sender, signal, receiver, target) \
  (sender).signal.attach(&(receiver), &target)

#ifndef GUM_NO_INLINE
#  include <agrum/core/signal/listener_inl.h>
#endif   // GUM_NO_INLINE

#endif   // GUM_LISTENER_H