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musicscanner.h
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musicscanner.h
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/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
*
* Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
*
* Tomahawk 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 3 of the License, or
* (at your option) any later version.
*
* Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MUSICSCANNER_H
#define MUSICSCANNER_H
#include <tomahawksettings.h>
/* taglib */
#include <taglib/fileref.h>
#include <taglib/tag.h>
#include <QVariantMap>
#include <QDir>
#include <QFileInfo>
#include <QString>
#include <QDateTime>
#include <QTimer>
#include <QWeakPointer>
// descend dir tree comparing dir mtimes to last known mtime
// emit signal for any dir with new content, so we can scan it.
// finally, emit the list of new mtimes we observed.
class DirLister : public QObject
{
Q_OBJECT
public:
enum Mode {
NonRecursive,
Recursive,
MTimeOnly
};
DirLister( const QStringList& dirs, const QMap<QString, unsigned int>& dirmtimes, TomahawkSettings::ScannerMode mode, bool manualFull, bool recursive )
: QObject(), m_dirs( dirs ), m_dirmtimes( dirmtimes ), m_mode( mode ), m_manualFull( manualFull ), m_recursive( recursive ), m_opcount( 0 ), m_deleting( false )
{
qDebug() << Q_FUNC_INFO;
}
~DirLister()
{
qDebug() << Q_FUNC_INFO;
}
bool isDeleting() { QMutexLocker locker( &m_deletingMutex ); return m_deleting; };
void setIsDeleting() { QMutexLocker locker( &m_deletingMutex ); m_deleting = true; };
signals:
void fileToScan( QFileInfo );
void finished( const QMap<QString, unsigned int>& );
private slots:
void go();
void scanDir( QDir dir, int depth, DirLister::Mode mode );
private:
QStringList m_dirs;
QMap<QString, unsigned int> m_dirmtimes;
TomahawkSettings::ScannerMode m_mode;
bool m_manualFull;
bool m_recursive;
QMap<QString, unsigned int> m_newdirmtimes;
uint m_opcount;
QMutex m_deletingMutex;
bool m_deleting;
};
class MusicScanner : public QObject
{
Q_OBJECT
public:
MusicScanner( const QStringList& dirs, TomahawkSettings::ScannerMode mode, bool manualFull, bool recursive = true, quint32 bs = 0 );
~MusicScanner();
signals:
//void fileScanned( QVariantMap );
void finished();
void batchReady( const QVariantList&, const QVariantList& );
private:
QVariant readFile( const QFileInfo& fi );
private slots:
void listerFinished( const QMap<QString, unsigned int>& newmtimes );
void scanFile( const QFileInfo& fi );
void startScan();
void scan();
void setDirMtimes( const QMap< QString, unsigned int >& m );
void setFileMtimes( const QMap< QString, QMap< unsigned int, unsigned int > >& m );
void commitBatch( const QVariantList& tracks, const QVariantList& deletethese );
private:
QStringList m_dirs;
TomahawkSettings::ScannerMode m_mode;
QMap<QString, QString> m_ext2mime; // eg: mp3 -> audio/mpeg
unsigned int m_scanned;
unsigned int m_skipped;
QList<QString> m_skippedFiles;
QMap<QString, unsigned int> m_dirmtimes;
QMap<QString, QMap< unsigned int, unsigned int > > m_filemtimes;
QMap<QString, unsigned int> m_newdirmtimes;
QVariantList m_scannedfiles;
QVariantList m_filesToDelete;
bool m_manualFull;
bool m_recursive;
quint32 m_batchsize;
QWeakPointer< DirLister > m_dirLister;
QThread* m_dirListerThreadController;
};
#endif