messaginghub.h

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/*
    This file is part of Advanced Strategic Command; http://www.asc-hq.de
    Copyright (C) 1994-2010  Martin Bickel  and  Marc Schellenberger

    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; see the file COPYING. If not, write to the
    Free Software Foundation, Inc., 59 Temple Place, Suite 330,
    Boston, MA  02111-1307  USA
*/


#ifndef messaginghubH
#define messaginghubH

 #include <set>

 #include <sigc++/sigc++.h>
 #include "loki/Singleton.h"

 #include "../ascstring.h"

  class StatusMessageWindowHolder {
    public:
       class UserData {
             friend class StatusMessageWindowHolder;
             int counter;  
          public:
             UserData() : counter(1) {};
             virtual ~UserData() {};
             virtual void SetText( const ASCString& text ) {};
       
       };
    private:   
       UserData* userData;
    protected:
       void copy( const StatusMessageWindowHolder& smw );
       void unlink();
    public:
       StatusMessageWindowHolder();
       StatusMessageWindowHolder( UserData* ud ) : userData(ud) {};
       StatusMessageWindowHolder( const StatusMessageWindowHolder& smw );
       StatusMessageWindowHolder& operator=( const StatusMessageWindowHolder& smw );    
       void close();
       void SetText( const ASCString& text );
       virtual ~StatusMessageWindowHolder();
 };


 class MessagingHubBase {
      std::set<ASCString> enabledLogCategories;

    protected:
       int verbosity;
    
    public:
       MessagingHubBase() : verbosity(0) {};
       void setVerbosity( int v ) { verbosity = v; };
       int  getVerbosity() { return verbosity; };
       
       void setLoggingCategory( const ASCString& category, bool enable );
       bool logCategoryEnabled( const ASCString& category );
   
       enum MessageType { FatalError, Error, Warning, InfoMessage, StatusInfo, LogMessage };
       
       SigC::Signal1<void, const ASCString&> fatalError;

       SigC::Signal0<void> exitHandler;
              
       SigC::Signal1<void, const ASCString&> error;
       
       SigC::Signal1<void, const ASCString&> warning;
       
       SigC::Signal1<void, const ASCString&> infoMessage;
       
       SigC::Signal1<void, const ASCString&> statusInformation;
       
       SigC::Signal2<void, const ASCString&,int> logMessage;

       SigC::Signal2<void, const ASCString&,const ASCString&> logCategorizedMessage;

       void message( MessageType type, const char* msg, ... );

       void message( MessageType type, const ASCString& msg );


       StatusMessageWindowHolder infoMessageWindow( const ASCString& msg );
        
       SigC::Signal1<StatusMessageWindowHolder, const ASCString&> messageWindowFactory;
              
   };
       
 typedef Loki::SingletonHolder<MessagingHubBase,Loki::CreateUsingNew,Loki::NoDestroy > MessagingHub;


 
 extern void fatalError ( const char* formatstring, ... );
 extern void fatalError ( const ASCString& string );
 extern void errorMessage ( const ASCString& string );
 extern void warningMessage ( const ASCString& string );
 extern void infoMessage ( const ASCString& string );
 extern void statusMessage ( const ASCString& string );
       
 extern void displayLogMessage ( int msgVerbosity, const char* message, ... );
 extern void displayLogMessage ( int msgVerbosity, const ASCString& message );
 extern void logMessage ( const ASCString& category, const ASCString& message );
 
#endif

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