beacon/detail/connection_impl.hpp

   1 /**
   2  * beacon
   3  * Author: Lukas Krejci <krejci.l@centrum.cz>, (C) 2008
   4  * Copyright: See COPYING file that comes with this distribution
   5  */
   6
   7 #ifndef BEACON_connection_impl_H
   8 #define BEACON_connection_impl_H
   9
  10 #include <beacon/config.hpp>
  11 #include <beacon/intrusive_ptr.hpp>
  12 #include <beacon/detail/connection_impl_base.hpp>
  13 #include <beacon/detail/signal_base.hpp>
  14
  15 namespace beacon {
  16
  17 namespace detail {
  18
  19 class connection_impl : public connection_impl_base {
  20     friend class signal_base;
  21     public:
  22         bool connected() const {
  23             return _connected;
  24         }
  25
  26 #ifdef ENABLE_CONNECTION_BLOCKING
  27         bool blocked() const {
  28             return _blocked;
  29         }
  30
  31         void block() {
  32             _blocked = true;
  33         }
  34
  35         void unblock() {
  36             _blocked = false;
  37         }
  38 #endif
  39
  40         void disconnect() {
  41             if (_connected) {
  42                 _connected = false;
  43                 _signal->do_disconnect(_position);
  44             }
  45         }
  46
  47     private:
  48
  49         connection_impl(signal_base * signal, signal_base::slot_list_type::iterator pos) :
  50             _signal(signal),
  51             _position(pos),
  52             _connected(true)
  53 #ifdef ENABLE_CONNECTION_BLOCKING
  54             ,_blocked(false)
  55 #endif
  56             {}
  57
  58         signal_base * _signal;
  59         signal_base::slot_list_type::iterator _position;
  60
  61         bool _connected;
  62 #ifdef ENABLE_CONNECTION_BLOCKING
  63         bool _blocked;
  64 #endif
  65 };
  66
  67 } //namespace detail
  68
  69 } //namespace beacon
  70
  71 #endif