Warning, file /multimedia/juk/cache.h was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /**
  * Copyright (C) 2002-2004 Scott Wheeler <wheeler@kde.org>
  * Copyright (C) 2008, 2013 Michael Pyne <mpyne@kde.org>
  *
  * 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.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef JUK_CACHE_H
 #define JUK_CACHE_H
 
 #include <QDataStream>
 #include <QFile>
 #include <QBuffer>
 #include <QVector>
 
 class Playlist;
 class PlaylistCollection;
 class FileHandle;
 
 typedef QVector<Playlist *> PlaylistList;
 
 /**
  * A simple QDataStream subclass that has an extra field to indicate the cache
  * version.
  */
 
 class CacheDataStream : public QDataStream
 {
 public:
     CacheDataStream(QIODevice *d) : QDataStream(d), m_cacheVersion(0) {}
     CacheDataStream() : m_cacheVersion(0) { }
 
     int cacheVersion() const { return m_cacheVersion; }
     void setCacheVersion(int v) { m_cacheVersion = v; }
 
 private:
     int m_cacheVersion;
 };
 
 
 class Cache
 {
 public:
     static Cache *instance();
 
     static void loadPlaylists(PlaylistCollection *collection);
     static void savePlaylists(const PlaylistList &playlists);
 
     static void ensureAppDataStorageExists();
     static bool cacheFileExists();
 
     static QString fileHandleCacheFileName();
     static QString playlistsCacheFileName();
 
     bool prepareToLoadCachedItems();
     FileHandle loadNextCachedItem();
 
     /**
      * QDataStream version for serialized list of playlists
      * 1, 2: Who knows?
      * 3: Current.
      */
     static const int playlistListCacheVersion;
 
     /**
      * QDataStream version for serialized list of playlist items in a playlist
      * 1: Original cache version
      * 2: KDE 4.0.1+, explicitly sets QDataStream encoding.
      */
     static const int playlistItemsCacheVersion;
 
 private:
     // private to force access through instance()
     Cache();
 
 private:
     QFile m_loadFile;
     QBuffer m_loadFileBuffer;
     CacheDataStream m_loadDataStream;
 };
 
 #endif
 
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