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/***************************************************************************
* Copyright (C) 2006-2018 by Ilya Kotov *
* forkotov02@ya.ru *
* *
* 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef FILELOADER_H
#define FILELOADER_H
#include <QObject>
#include <QQueue>
#include <QStringList>
#include <QFileInfo>
#include <QMutex>
#include <QThread>
#include <qmmp/trackinfo.h>
class PlayListTrack;
class PlayListItem;
class QmmpUiSettings;
/*! @internal
* @brief File loader class.
*
* This class represents fileloader object that
* processes file list in separate thread and emits
* \b newPlayListItem(PlayListItem*) signal for every newly
* created media file.
* @author Ilya Kotov <forkotov02@ya.ru>
*/
class FileLoader : public QThread
{
Q_OBJECT
public:
/*!
* Constructs FileLoader object.
* @param parent QObject parent
*/
FileLoader(QObject *parent = nullptr);
/*!
* Object destructor.
*/
~FileLoader();
/*!
* Sets file/directory to load
*/
void add(const QString &path);
/*!
* Sets files/directories to load
*/
void add(const QStringList &paths);
void addPlayList(const QString &fmt, const QByteArray &data);
void insert(PlayListItem *before, const QString &path);
void insert(PlayListItem *before, const QStringList &paths);
public slots:
/*!
* Removes files and directories from queue and waits until thread is finished
*/
void finish();
signals:
/*!
* Emitted when new playlist tracks are available.
* @param tracks List of the pointers to the \b PlayListTrack objects.
*/
void newTracksToInsert(PlayListItem *before, QList<PlayListTrack *> tracks);
private:
void run();
QList<PlayListTrack*> processFile(const QString &path, QStringList *ignoredPaths = nullptr);
void insertPlayList(const QString &fmt, const QByteArray &contents, PlayListItem *before);
void insertPlayList(const QString &path, PlayListItem *before);
void addDirectory(const QString &s, PlayListItem *before = nullptr);
bool checkRestrictFilters(const QFileInfo &info);
bool checkExcludeFilters(const QFileInfo &info);
void removeIgnoredTracks(QList<PlayListTrack *> *tracks, const QStringList &ignoredPaths);
struct LoaderTask
{
QString path;
PlayListItem *before;
QString playListFormat;
QByteArray playListContent;
};
QQueue <LoaderTask> m_tasks;
QStringList m_filters;
QmmpUiSettings *m_settings;
bool m_finished;
bool m_readMetaDataForPlayLists;
TrackInfo::Parts m_parts;
QMutex m_mutex;
};
#endif
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