kget

btcache.h

00001 /* This file is part of the KDE project
00002 
00003    Copyright (C) 2008 Lukas Appelhans <l.appelhans@gmx.de>
00004 
00005    This program is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU General Public
00007    License as published by the Free Software Foundation; either
00008    version 2 of the License, or (at your option) any later version.
00009 */
00010 #ifndef KGETBTCACHE_H
00011 #define KGETBTCACHE_H
00012 
00013 #include <diskio/cache.h>
00014 #include <interfaces/cachefactory.h>
00015 #include <kio/job.h>
00016 
00017 #include <QString>
00018 #include <QByteArray>
00019 
00020 class QStringList;
00021 class KJob;
00022 
00023 namespace bt
00024 {
00025     class Torrent;
00026     class TorrentFile;
00027     class Chunk;
00028     class PreallocationThread;
00029 }
00030 
00031 using namespace bt;
00032 
00033 class BTCache : public QObject, public bt::Cache
00034 {
00035     Q_OBJECT
00036     public:
00037         BTCache(bt::Torrent & tor,const QString & tmpdir,const QString & datadir);
00038         ~BTCache();
00039 
00044         virtual void loadFileMap() {}
00045         
00049         virtual void saveFileMap() {}
00050         
00055         virtual QString getOutputPath() const {return QString();}
00056         
00062         virtual void changeTmpDir(const QString & ndir) {Q_UNUSED(ndir)}
00063         
00069         virtual void changeOutputPath(const QString & outputpath) {Q_UNUSED(outputpath)}
00070         
00076         virtual KJob* moveDataFiles(const QString & ndir) {return 0;}
00077         
00082         virtual void moveDataFilesFinished(KJob* job) {Q_UNUSED(job)}
00083         
00089         virtual void load(Chunk* c);
00090         
00096         virtual void save(Chunk* c);
00097         
00103         virtual bool prep(Chunk* c);
00104         
00108         virtual void create() {}
00109         
00113         virtual void close() {}
00114         
00118         virtual void open() {}
00119         
00121         virtual void downloadStatusChanged(TorrentFile*, bool) {}
00122         
00127         virtual void preallocateDiskSpace(PreallocationThread* prealloc) {Q_UNUSED(prealloc)}
00128         
00133         virtual bool hasMissingFiles(QStringList & sl) {return false;} //We never have missing files, cause we don't have files :P
00134         
00139         virtual void deleteDataFiles();
00140         
00144         virtual Uint64 diskUsage() {return 0;};//We always use 0 Bytes on HDD, cause we don't write to HDD
00145 
00146     signals:
00147         void dataArrived(const KIO::fileoffset_t &offset, const QByteArray &data);
00148 
00149     private:
00150         Torrent *m_tor;
00151 };
00152 
00153 class BTCacheFactory : public QObject, public CacheFactory
00154 {
00155     Q_OBJECT
00156     public:
00157         BTCacheFactory() {}
00158         ~BTCacheFactory() {}
00159 
00160         virtual Cache* create(Torrent & tor,const QString & tmpdir,const QString & datadir);
00161 
00162     signals:
00163         void cacheAdded(BTCache* cache);
00164 };
00165 
00166 #endif
kget

btcache.h

kget

kdenetwork
