core-service.hpp

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/*
  CORE-SERVICE.hpp  -  service to address the application core from the UI

  Copyright (C)         Lumiera.org
    2015,               Hermann Vosseler <Ichthyostega@web.de>

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of
  the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/


#ifndef STAGE_CTRL_CORE_SERVICE_H
#define STAGE_CTRL_CORE_SERVICE_H


#include "lib/error.hpp"
#include "lib/nocopy.hpp"
#include "lib/idi/entry-id.hpp"
#include "lib/diff/gen-node.hpp"
#include "include/session-command-facade.h"
#include "stage/ctrl/state-recorder.hpp"
#include "stage/ctrl/bus-term.hpp"
#include "stage/ctrl/nexus.hpp"


namespace stage {
namespace ctrl{
  
  using steam::control::SessionCommand;
  using lib::diff::Rec;
  
  
  class CoreService
    : public BusTerm
    , util::NonCopyable
    {
      
      Nexus uiBusBackbone_;
      StateRecorder stateRecorder_;
      
      
      virtual void
      act (GenNode const& command)  override
        {
          SessionCommand::facade().trigger (command.idi.getSym(), command.data.get<Rec>());
        }
      
      
      virtual void
      note (ID subject, GenNode const& stateMark)  override
        {
          stateRecorder_.recordState (subject, stateMark);
        }
      
      
    public:
      explicit
      CoreService (ID identity =lib::idi::EntryID<CoreService>())
        : BusTerm(identity, uiBusBackbone_)
        , uiBusBackbone_{*this}
        , stateRecorder_{*this}
        {
          INFO (stage, "UI-Backbone operative.");
        }
      
     ~CoreService();
      
      
      StateManager&
      getStateManager()
        {
          return stateRecorder_;
        }
    };
  
  
  
}} // namespace stage::ctrl
#endif /*STAGE_CTRL_CORE_SERVICE_H*/