mobject.hpp

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/*
  MOBJECT.hpp  -  Key Abstraction: A Media Object in the Session

   Copyright (C)
     2008,            Hermann Vosseler <Ichthyostega@web.de>

  **Lumiera** 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. See the file COPYING for further details.

*/


#ifndef STEAM_MOBJECT_MOBJECT_H
#define STEAM_MOBJECT_MOBJECT_H

#include "steam/common.hpp"
#include "steam/mobject/builder/buildertool.hpp"
#include "steam/mobject/placement.hpp"
#include "steam/asset.hpp"                    //TODO finally not needed?
#include "lib/p.hpp"
#include "lib/time/timevalue.hpp"

#include <boost/operators.hpp>
#include <string>



#include "steam/assetmanager.hpp"
using proc_interface::IDA;                   //TODO finally not needed?
//using proc_interface::PAsset;              //TODO: only temporarily
using proc_interface::AssetManager;

namespace steam {
namespace mobject {
  
  using std::string;
  
  //NOBUG_DECLARE_FLAG (mobjectmem);
  
  
  namespace session {
    class MObjectFactory;
  }
  
  
  class MObject 
    : public Buildable,
      util::NonCopyable,
      boost::equality_comparable< MObject >
    {
    protected:
      typedef lib::time::Duration Duration;
      
      Duration length_;
      
      mutable string shortID_;
      
      MObject() ;
      virtual ~MObject() ;
      
      friend class session::MObjectFactory;
      
      
    public:
      static session::MObjectFactory create;
      
      string const& shortID()  const;
      
      virtual bool isValid()  const =0;
      
      virtual Duration& getLength() =0;                                           
            
      virtual bool operator== (const MObject& oo)  const =0;  
      
    protected:
      
      virtual string initShortID()  const =0;
      
    };
  
  
  
  typedef Placement<MObject> PMO;


}} // namespace steam::mobject
#endif /*STEAM_MOBJECT_MOBJECT_H*/