uniqueapphandler.h

/*
   This file is part of KDE Kontact.
 
   Copyright (c) 2003 David Faure <faure@kde.org>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/
 
#ifndef KONTACT_UNIQUEAPPHANDLER_H
#define KONTACT_UNIQUEAPPHANDLER_H
 
#include <dcopobject.h>
#include <plugin.h>
#include <tdemacros.h>
 
namespace Kontact
{

class TDE_EXPORT UniqueAppHandler : public DCOPObject
{
  K_DCOP
 
  public:
    UniqueAppHandler( Plugin* plugin ) : DCOPObject( plugin->name() ), mPlugin( plugin ) {}

    virtual void loadCommandLineOptions() = 0;

    virtual int newInstance();
 
    Plugin* plugin() const { return mPlugin; }

    static void loadKontactCommandLineOptions();
 
  private:
    Plugin* mPlugin;
};

class UniqueAppHandlerFactoryBase
{
  public:
    UniqueAppHandlerFactoryBase() {}
    virtual ~UniqueAppHandlerFactoryBase() {}
    virtual UniqueAppHandler* createHandler( Plugin* ) = 0;
};

template <class T> class UniqueAppHandlerFactory : public UniqueAppHandlerFactoryBase
{
  public:
    virtual UniqueAppHandler* createHandler( Plugin* plugin ) {
        (void)plugin->dcopClient(); // ensure that we take over the DCOP name
        return new T( plugin );
    }
};
 

class TDE_EXPORT UniqueAppWatcher : public TQObject
{
  TQ_OBJECT
  
 
  public:
    UniqueAppWatcher( UniqueAppHandlerFactoryBase* factory, Plugin* plugin );
 
    virtual ~UniqueAppWatcher();
 
    bool isRunningStandalone() const { return mRunningStandalone; }
 
  protected slots:
    void unregisteredFromDCOP( const TQCString& appId );
 
  private:
    bool mRunningStandalone;
    UniqueAppHandlerFactoryBase* mFactory;
    Plugin* mPlugin;
};
 
} // namespace
 
#endif /* KONTACT_UNIQUEAPPHANDLER_H */