source/libr2c2/sensor.h

   1 #ifndef LIBR2C2_SENSOR_H_
   2 #define LIBR2C2_SENSOR_H_
   3
   4 #include <sigc++/signal.h>
   5 #include <msp/time/timedelta.h>
   6
   7 namespace R2C2 {
   8
   9 class Block;
  10 class Layout;
  11
  12 class Sensor: public sigc::trackable
  13 {
  14 public:
  15         enum State
  16         {
  17                 INACTIVE,
  18                 MAYBE_INACTIVE,
  19                 MAYBE_ACTIVE,
  20                 ACTIVE
  21         };
  22
  23         sigc::signal<void, State> signal_state_changed;
  24
  25 protected:
  26         Layout &layout;
  27         unsigned address;
  28         State state;
  29         Msp::Time::TimeDelta state_confirm_timeout;
  30
  31         Sensor(Layout &);
  32 public:
  33         virtual ~Sensor();
  34
  35         unsigned get_address() const { return address; }
  36         State get_state() const { return state; }
  37         virtual Block *get_block() const { return 0; }
  38
  39         void tick(const Msp::Time::TimeDelta &);
  40
  41 private:
  42         void event(unsigned, bool);
  43 };
  44
  45 } // namespace R2C2
  46
  47 #endif