AAction.hh

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#ifndef     __AACTION_HH__
#define     __AACTION_HH__

#include    <map>
#include    <queue>
#include    <vector>
#include    <string>
#include    <functional>
#include    "Data.hh"
#include    "../vbam/sdl/SDLGlobals.h"

namespace   Action
{
  enum      State
    {
      NOT_STARTED,
      RUNNING,
      FINISHED,
      ERROR
    };
  extern Data   *data;
};

class       AAction
{
public:
  AAction();
  Action::State update();
  virtual   ~AAction() {}

private:
  virtual void  _update() = 0;
  virtual void  _init() = 0;

public:
  void      queue(AAction *act) { _actions.push(act); }
  void      reset() { _state = Action::NOT_STARTED; }
  Action::State getState() const { return (_state); }
  void      setState(Action::State st) { _state = st; }

public:
  void      emit(const std::string &signal);
  void      addListener(const std::string &signal, void (*listener)(AAction *));
  void      addListener(const std::string &signal, void (AAction::*listener)());

protected:
  uint32_t      _getCounter() const { return (_counter); }

protected:
  Data          &_data;
  Action::State     _state;
  std::queue<AAction *> _actions;
  std::map<std::string, std::vector<std::function<void (AAction *)> > > _listeners;
private:
  uint32_t              _counter;
};

#endif