hds_messenger.hpp

/* hds_messenger.hpp */
/* $Id$ */
#ifndef __hds_messenger_hpp
#define __hds_messenger_hpp

#include <QString>
#include <QVariant>

#include <hds_batch/defines.hpp>
#include <hds_batch/errors.hpp>

namespace hds
{
  class Messenger
  {
  public:
    
    enum MsgType
      {
    UNDEFINED_MSG = 0,       
    INFO_MSG,                
    WARNING_MSG,             
    ERROR_MSG,               
    DEBUG_MSG,               
    SHOW_PROGRESS_MSG,       
    HIDE_PROGRESS_MSG,       
    SET_PROGRESS_VALUE_MSG,  
    SET_PROGRESS_RANGES_MSG, 
    SET_PROGRESS_STATUS_MSG  
      };
    
    struct Message
    {
      Message():
    type(UNDEFINED_MSG){;}
      Message(const MsgType &itype, const QVariant &idata):
    type(itype), data(idata){;}
      
      MsgType type;  
      QVariant data; 
      void info() const;
    };
    
    Messenger();
    
    virtual ~Messenger();
    
    
    virtual void sendMsg(const Message &msg) const = 0; 
    
    virtual Message getMsg() const = 0;
    
    
    void info(const QString &str) const 
    {sendMsg(Message(INFO_MSG, str));}
    
    void warning(const QString &str) const 
    {sendMsg(Message(WARNING_MSG, str));}
    
    void error(const QString &str) const 
    {sendMsg(Message(ERROR_MSG, str));}
    
    void debug(const QString &str) const 
    {sendMsg(Message(DEBUG_MSG, str));}
  };
};

#endif /* hds_messenger.hpp */