sidekickthread.h

/*
 *  Copyright (c) 2005    National Research Council
 *
 *  All rights reserved.
 *
 *  This material is confidential and proprietary information of
 *  National Research Council Canada ("Confidential Information").
 *  This Confidential Information may only be used and reproduced
 *  in accordance with the terms of the license agreement.
 *
 */

#ifndef __INCLUDED_SCOPIRA_CORE_SIDEKICKTHREAD_H__
#define __INCLUDED_SCOPIRA_CORE_SIDEKICKTHREAD_H__

#include <list>

#include <scopira/core/sidekick.h>

namespace scopira
{
  namespace core
  {
    class sidekick_runner;
    class sidekick_thread;
  }
}

class scopira::core::sidekick_runner : public virtual scopira::tool::runnable_i,
    public scopira::core::sidekick_queue_i
{
  public:
    SCOPIRA_EXPORT sidekick_runner(void);

    SCOPIRA_EXPORT virtual void run(void);

    SCOPIRA_EXPORT virtual void notify_stop(void);

  protected:
    SCOPIRA_EXPORT virtual void enqueue_sidekick(sidekick_i *t);
    SCOPIRA_EXPORT virtual bool is_sidekick_running(void);

  private:
    typedef std::list<scopira::tool::count_ptr<sidekick_i> > sidekick_list;

    // the condition in dm_openwindows is used as the signal for this area
    struct sidekick_area {
      bool alive;
      bool running;
      sidekick_list queue;
    };

    scopira::tool::event_area<sidekick_area> dm_sidekickarea;
};

class scopira::core::sidekick_thread
{
  public:
    SCOPIRA_EXPORT sidekick_thread(void);
    SCOPIRA_EXPORT ~sidekick_thread();

  private:
    sidekick_runner dm_runner;
    scopira::tool::thread dm_thready;
};

#endif