EventBase.h

[詳解]

// -*- C++ -*-
 
#ifndef RTC_EVENTBASE_H
#define RTC_EVENTBASE_H
 
 
 
namespace RTC
{
  class EventBinderBase0
  {
  public:
      EventBinderBase0() = default;
      virtual ~EventBinderBase0() = default;
      virtual void run() = 0;
  };
  template <class P0>class EventBinderBase1
  {
  public:
      EventBinderBase1() = default;
      virtual ~EventBinderBase1() = default;
      virtual void run(P0& data) = 0;
  };
 
  class EventBase
  {
  public:
      EventBase() = default;
      virtual ~EventBase() = default;
      virtual void operator()()=0;
  };
 
  class Event0 : public EventBase
  {
  public:
      Event0(EventBinderBase0 *eb):
          m_eb(eb)
      {
      }
      ~Event0() override = default;
      void operator()() override
      {
          m_eb->run();
      }
  private:
      EventBinderBase0 *m_eb;
  };
 
  template <class P0>
  class Event1 : public EventBase
  {
  public:
      Event1(EventBinderBase1<P0> *eb, P0 &data):
          m_eb(eb), m_data(data)
      {
      }
      ~Event1() override = default;
      void operator()() override
      {
          m_eb->run(m_data);
      }
  private:
      EventBinderBase1<P0> *m_eb;
      P0 m_data;
  };
 
 
} // namespace RTC
 
#endif // RTC_EVENTBASE_H