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/*----------------------------------------------------------------------------
libtunepimp -- The MusicBrainz tagging library.
Let a thousand taggers bloom!
Copyright (C) Robert Kaye 2003
This file is part of libtunepimp.
libtunepimp 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.
libtunepimp 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 libtunepimp; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
$Id: filecache.h 1264 2004-03-15 09:21:25Z robert $
----------------------------------------------------------------------------*/
#ifndef __FILECACHE_H__
#define __FILECACHE_H__
#include <vector>
#include <map>
#include <string>
using namespace std;
#include "mutex.h"
#include "track.h"
class TunePimp;
class FileCache
{
public:
FileCache(TunePimp *pimp);
~FileCache(void);
// Returns a fileId
int add(const string &fileName);
void remove(int index);
int getNumItems(void);
int getNumUnsavedItems(void);
void getCounts(map<TPFileStatus, int> &counts);
void getFileIds(vector<int> &ids);
int getFileIdFromTrack(Track *);
int getRecognizedFileList (int threshold, vector<int> &fileIds);
// For each tracks returned by the following functions release() needs to
// be called in order to decrement the refcount
Track *getTrack(int fileId);
Track *getNextItem(TPFileStatus status);
Track *getTrackFromFileName(const string &fileName);
Track *getTrackFromTrackId(const string &trackId);
Track *getTrack(const string &fileName);
void getTracksFromStatus(TPFileStatus status, vector<Track *> &tracks);
void release(Track *track);
private:
Mutex mutex;
map<unsigned, pair<Track *, int> > cache;
map<Track *, int> xref;
int numUnsaved, serialNum;
TunePimp *pimp;
};
#endif
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