/***************************************************************************
                          tderadioapp.h  -  description
                             -------------------
    begin                : Sa Feb  9 2002
    copyright            : (C) 2002 by Klas Kalass / Martin Witte / Frank Schwanz
    email                : klas.kalass@gmx.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef TDERADIO_TDERADIOAPP_H
#define TDERADIO_TDERADIOAPP_H

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <tqdict.h>

#include <tdeapplication.h>
#include <tdeaboutapplication.h>
#include "pluginmanager.h"
#include "plugins.h"

class KLibrary;

class TDERadioAbout : public PluginBase
{
public:
    TDERadioAbout(const TQString &name) : PluginBase(name, "TDERadio Application") {}

    virtual TQString pluginClassName() const { return "TDERadioAbout"; }

    virtual ConfigPageInfo createConfigurationPage () { return ConfigPageInfo(); }
    virtual AboutPageInfo  createAboutPage ();

    virtual void   saveState    (TDEConfig *) const {}
    virtual void   restoreState (TDEConfig *)       {}
};




typedef  PluginBase     *(*t_tderadio_plugin_init_func)(const TQString & cls, const TQString &obj);
typedef  void            (*t_tderadio_plugin_info_func)(TQMap<TQString, TQString> &);
typedef  void            (*t_tderadio_plugin_libload_func)();
typedef  void            (*t_tderadio_plugin_libunload_func)();


struct PluginLibraryInfo {
    KLibrary                      *library;
    TQMap<TQString,TQString>          plugins;
    t_tderadio_plugin_init_func      init_func;
    t_tderadio_plugin_info_func      info_func;
    t_tderadio_plugin_libload_func   libload_func;
    t_tderadio_plugin_libunload_func libunload_func;

    PluginLibraryInfo() : library(NULL), init_func(NULL), info_func(NULL), libload_func(NULL), libunload_func(NULL) {}
    PluginLibraryInfo(const TQString &libname);
    bool valid() { return init_func && info_func && library && libload_func && libunload_func; }
};


struct PluginClassInfo {
    TQString                    class_name;
    TQString                    description;
    t_tderadio_plugin_init_func  create_function;

    PluginClassInfo() : create_function(NULL) {}
    PluginClassInfo(const TQString &_name, const TQString &descr, t_tderadio_plugin_init_func init_func)
        : class_name(_name), description(descr), create_function(init_func) {}
    PluginBase *CreateInstance(const TQString &obj_name) { return create_function ? create_function(class_name, obj_name) : NULL; }
};


class TDERadioApp : public TDEApplication
{
TQ_OBJECT
  
public:
    TDERadioApp();
    virtual ~TDERadioApp();

    virtual void             saveState    (TDEConfig *c);
    virtual void             restoreState (TDEConfig *c);

    virtual PluginManager   *createNewInstance(const TQString &name);

    virtual KLibrary   *LoadLibrary (const TQString &library);
    virtual void        UnloadLibrary (const TQString &library);
    virtual PluginBase *CreatePlugin (PluginManager *manager, const TQString &name, const TQString &object_name);

    virtual const TQMap<TQString, PluginLibraryInfo> &getPluginLibraries() const { return m_PluginLibraries; }
    virtual const TQMap<TQString, PluginClassInfo>   &getPluginClasses()   const { return m_PluginInfos; }

    virtual void  startPlugins();

protected slots:

    virtual void  saveState();
    virtual void  slotAboutToQuit();

protected:

    TQDict<PluginManager>        m_Instances;

    TQMap<TQString, PluginLibraryInfo>  m_PluginLibraries;
    TQMap<TQString, PluginClassInfo>    m_PluginInfos;

    bool                              m_quitting;
};


#endif