File indexing completed on 2024-04-14 15:51:35

 /***************************************************************************
                         pluginloader.h  -  description
                              -------------------
     begin                : Sun Oct 7 2007
     copyright            : (C) 2007 by Dominik Seichter
     email                : domseichter@web.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 PLUGIN_LOADER_H
 #define PLUGIN_LOADER_H
 
 #include <QHash>
 #include <QList>
 #include <QMap>
 
 class Plugin;
 class KConfigGroup;
 class KRenameImpl;
 
 class PluginLoader
 {
 public:
     ~PluginLoader();
 
     static PluginLoader *Instance();
 
     /** Find a plugin that supports a certain token
      *
      *  This works only for plugins of the type ePluginType_Token
      *
      *  @param token a token
      *  @returns a plugin or NULL
      */
     Plugin *findPlugin(const QString &token);
 
     /** Find a plugin by its name
      *
      *  @param name as returned by Plugin::name()
      *  @returns a plugin or NULL
      */
     Plugin *findPluginByName(const QString &name);
 
     /** A read-only list of all plugins
      *
      *  @returns a list of all plugins;
      */
     inline const QList<Plugin *> &plugins() const
     {
         return m_plugins;
     }
 
     /** This maybe called by plugins,
      *  if a setting in their UI was changed
      *  so that the preview in KRename
      *  should be updated.
      */
     void sendUpdatePreview();
 
     /** Save the plugin configuration.
      *
      *  Called when plugins should save their configuration.
      *
      *  @param group config group where the configuration should be stored
      */
     void saveConfig(KConfigGroup &group);
 
     /** Load the plugin configuration.
      *
      *  Called when plugins should load their configuration.
      *
      *  @param group config group where the configuration should be read from
      */
     void loadConfig(KConfigGroup &group);
 
     void registerForUpdates(KRenameImpl *kreanme);
     void deregisterForUpdates(KRenameImpl *kreanme);
 
 private:
     PluginLoader();
 
     /** Clear the plugin loader.
      *  I.e reset the object to its initial state and unload all plugins
      */
     void clear();
 
     /** Load all plugins
      */
     void load();
 
 private:
 
     static PluginLoader *s_instance;     ///< The handle to the only pluginloader instance
     QList<Plugin *>       m_plugins;     ///< The list of all plugins
 
     QMap<QString, Plugin *>  m_tokenMap; ///< All supported tokens in brackets are listed here
     QHash<QString, Plugin *> m_tokenCache; ///< All used tokens are listed here
 
     QList<KRenameImpl *>  m_observers;   ///< A list of KRenameImpls that should be notified on updates
 };
 
 #endif // PLUGIN_LOADER_H