File indexing completed on 2024-05-19 04:53:22

 /*
  * playlistmodel.h
  *
  * Copyright (C) 2009-2011 Christoph Pfister <christophpfister@gmail.com>
  *
  * 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 PLAYLISTMODEL_H
 #define PLAYLISTMODEL_H
 
 #include <QAbstractTableModel>
 #include <QTime>
 #include "../mediawidget.h"
 
 class PlaylistTrack
 {
 public:
     PlaylistTrack() : trackNumber(-1), currentSubtitle(-1) { }
     ~PlaylistTrack() { }
 
     QUrl url;
     QString title;
     QString artist;
     QString album;
     int trackNumber;
     QTime length;
     QList<QUrl> subtitles;
     int currentSubtitle;
 };
 
 class Playlist
 {
 public:
     Playlist() : currentTrack(-1) { }
     ~Playlist() { }
 
     const PlaylistTrack &at(int index) const
     {
         return tracks.at(index);
     }
 
     enum Format {
         Invalid,
         Kaffeine, // read-only
         M3U,
         PLS,
         XSPF
     };
 
     bool load(const QUrl &url_, Format format);
     bool save(Format format) const;
 
     QUrl url;
     QString title;
     QList<PlaylistTrack> tracks;
     int currentTrack;
 
 private:
     void appendTrack(PlaylistTrack &track);
     QUrl fromFileOrUrl(const QString &fileOrUrl) const;
     QUrl fromRelativeUrl(const QString &trackUrlString) const;
     QString toFileOrUrl(const QUrl &trackUrl) const;
     QString toRelativeUrl(const QUrl &trackUrl) const;
 
     bool loadKaffeinePlaylist(QIODevice *device);
     bool loadM3UPlaylist(QIODevice *device);
     void saveM3UPlaylist(QIODevice *device) const;
     bool loadPLSPlaylist(QIODevice *device);
     void savePLSPlaylist(QIODevice *device) const;
     bool loadXSPFPlaylist(QIODevice *device);
     void saveXSPFPlaylist(QIODevice *device) const;
 };
 
 class PlaylistModel : public QAbstractTableModel
 {
     Q_OBJECT
 public:
     PlaylistModel(Playlist *visiblePlaylist_, QObject *parent);
     ~PlaylistModel();
 
     void setVisiblePlaylist(Playlist *visiblePlaylist_);
     Playlist *getVisiblePlaylist() const;
 
     void appendUrls(Playlist *playlist, const QList<QUrl> &urls, bool playImmediately);
     void removeRows(Playlist *playlist, int row, int count);
     void setCurrentTrack(Playlist *playlist, int track);
     void updateTrackLength(Playlist *playlist, int length);
     void updateTrackMetadata(Playlist *playlist,
         const QMap<MediaWidget::MetadataType, QString> &metadata);
 
 public slots:
     void clearVisiblePlaylist();
 
 signals:
     void appendPlaylist(Playlist *playlist, bool playImmediately);
     void playTrack(Playlist *playlist, int track);
 
 private:
     void insertUrls(Playlist *playlist, int row, const QList<QUrl> &urls,
         bool playImmediately);
 
     int columnCount(const QModelIndex &parent) const override;
     int rowCount(const QModelIndex &parent) const override;
     QVariant data(const QModelIndex &index, int role) const override;
     QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
     bool removeRows(int row, int count, const QModelIndex &parent) override;
     void sort(int column, Qt::SortOrder order) override;
 
     Qt::ItemFlags flags(const QModelIndex &index) const override;
     QStringList mimeTypes() const override;
     Qt::DropActions supportedDropActions() const override;
     QMimeData *mimeData(const QModelIndexList &indexes) const override;
     bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column,
         const QModelIndex &parent) override;
 
     Playlist *visiblePlaylist;
 };
 
 #endif /* PLAYLISTMODEL_H */