signal-connection.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef NDN_UTIL_SIGNAL_CONNECTION_HPP
#define NDN_UTIL_SIGNAL_CONNECTION_HPP

#include "../common.hpp"

namespace ndn {
namespace util {
namespace signal {

class Connection
{
public:
  Connection();

  void
  disconnect();

  bool
  isConnected() const;

  bool
  operator==(const Connection& other) const;

  bool
  operator!=(const Connection& other) const;

private:
  explicit
  Connection(weak_ptr<function<void()>> disconnect);

  template<typename Owner, typename ...TArgs>
  friend class Signal;

private:
  weak_ptr<function<void()>> m_disconnect;
};

} // namespace signal
} // namespace util
} // namespace ndn

#endif // NDN_UTIL_SIGNAL_CONNECTION_HPP