usource.hpp

/************************************************************************
*
*  usource.hpp: file and socket data management
 *  Ubit GUI Toolkit - Version 6
 *  (C) 2009 | Eric Lecolinet | TELECOM ParisTech | http://www.enst.fr/~elc/ubit
*
* ***********************************************************************
* COPYRIGHT NOTICE :
* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY AND WITHOUT EVEN THE
* IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
* 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 FILES 'COPYRIGHT' AND 'COPYING' FOR MORE DETAILS.
* ***********************************************************************/

#ifndef _usource_hpp_
#define _usource_hpp_ 1
#include <ubit/uobject.hpp>
namespace ubit {

class USource : public UNode {    // !!!@@@ devrait deriver de UObject !!!
public:
  UCLASS(USource)
    
  USource(int source =-1);
  
  virtual ~USource();
  
  virtual void onAction(UCall& callback);
  virtual void onInput(UCall& callback) {onAction(callback);}

  virtual void onClose(UCall& callback);

  virtual void open(int source);

  virtual void close();
     
  int getSource() const {return source;}

  bool isOpened() const {return is_opened;}
        
  // - - - impl - - -    
  
  virtual void fireInput();
  virtual void fireClose();

private:
  friend class UAppliImpl;
  bool is_opened;
  int source;
  int gid;  // input ID when GDK is used
};

}
#endif