Playlist.h

/* Playlist.h */
 
/* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
 *
 * This file is part of sayonara player
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef PLAYLIST_H
#define PLAYLIST_H
 
#include "PlaylistDBInterface.h"
#include "PlaylistStopBehavior.h"
 
#include "Utils/Playlist/PlaylistFwd.h"
#include "Utils/Playlist/PlaylistMode.h"
 
#include "Utils/Pimpl.h"
 
#include <QObject>
 
class PlayManager;
 
namespace Playlist
{
    class Playlist :
        public QObject,
        public DBInterface,
        protected StopBehavior
    {
        Q_OBJECT
        PIMPL(Playlist)
 
            friend class Handler;
 
        signals:
            void sigFindTrackRequested(const MetaData& track);
            void sigDeleteFilesRequested(const MetaDataList& tracks);
 
            void sigItemsChanged(int index);
            void sigTrackChanged(int oldIndex, int newIndex);
            void sigStopped();
            void sigBusyChanged(bool b);
            void sigCurrentScannedFileChanged(const QString& currentFile);
 
        public:
            explicit Playlist(int idx, const QString& name, PlayManager* playManager);
            virtual ~Playlist() override;
 
            int createPlaylist(const MetaDataList& tracks);
 
            virtual int currentTrackIndex() const;
            bool currentTrack(MetaData& track) const;
 
            int index() const;
            void setIndex(int idx);
 
            Mode mode() const;
            void setMode(const Mode& mode);
 
            MilliSeconds runningTime() const;
            int count() const override;
 
            void enableAll();
 
            void play();
            void stop();
            void fwd();
            void bwd();
            void next();
            bool wakeUp();
 
            void setBusy(bool b);
            bool isBusy() const;
 
            void reverse();
 
            const MetaData& track(int index) const override;
            const MetaDataList& tracks() const override;
 
            void insertTracks(const MetaDataList& tracks, int targetIndex);
            void appendTracks(const MetaDataList& tracks);
            void removeTracks(const IndexSet& indexes);
            void replaceTrack(int idx, const MetaData& track);
            void clear();
 
            IndexSet moveTracks(const IndexSet& index, int targetRow);
            IndexSet copyTracks(const IndexSet& indexes, int tgt);
 
            void findTrack(int idx);
            bool changeTrack(int index, MilliSeconds positionMs=0);
            bool wasChanged() const override;
 
            void reloadFromDatabase();
            void deleteTracks(const IndexSet& indexes);
 
        public slots:
            void metadataDeleted();
            void metadataChanged();
            void currentMetadataChanged();
            void durationChanged();
 
        private slots:
            void settingPlaylistModeChanged();
 
        private:
            int calcShuffleTrack();
            void setCurrentTrack(int index);
            void setChanged(bool b) override;
    };
}
#endif // PLAYLIST_H