session-command-facade.h

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/*
  SESSION-COMMAND-FACADE.h  -  access point for invoking commands on the session

  Copyright (C)         Lumiera.org
    2016,               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 STEAM_CONTROL_SESSION_COMMAND_H
#define STEAM_CONTROL_SESSION_COMMAND_H



#ifdef __cplusplus  /* ============== C++ Interface ================= */

#include "lib/depend.hpp"
#include "lib/diff/gen-node.hpp"
#include "lib/symbol.hpp"

#include <string>


namespace steam {
namespace control {
  
  using lib::Symbol;
  using std::string;
  
  
  /**********************************************************************/
  class SessionCommand
    {
    public:
      static lib::Depend<SessionCommand> facade;
      
      virtual Symbol cycle (Symbol cmdID, string const& invocationID) =0;
      
      virtual void trigger (Symbol cmdID, lib::diff::Rec const& args) =0;
      
      virtual void bindArg (Symbol cmdID, lib::diff::Rec const& args) =0;
      
      virtual void invoke (Symbol cmdID)                              =0;
      
      
    protected:
      virtual ~SessionCommand() {} 
      friend class lib::DependencyFactory<SessionCommand>;
    };
    
  
  
}} // namespace steam::control


extern "C" {
#endif /* =========================== CL Interface ===================== */ 

  
#include "common/interface.h"

LUMIERA_INTERFACE_DECLARE (lumieraorg_SessionCommand, 0,
                           LUMIERA_INTERFACE_SLOT (const char*, cycle, (const char*, const char*)),
                           LUMIERA_INTERFACE_SLOT (void,      trigger, (const char*, const void*)),
                           LUMIERA_INTERFACE_SLOT (void,      bindArg, (const char*, const void*)),
                           LUMIERA_INTERFACE_SLOT (void,       invoke, (const char*)),
);


#ifdef __cplusplus
}// extern "C"
#endif
#endif /*STEAM_CONTROL_SESSION_COMMAND_H*/