PlaylistModel.h

/* PlaylistItemModel.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/>.
 */
 
 
/*
 * PlaylistItemModel.h
 *
 *  Created on: Apr 8, 2011
 *      Author: Michael Lugmair (Lucio Carreras)
 */
 
#ifndef PLAYLISTITEMMODEL_H
#define PLAYLISTITEMMODEL_H
 
#include "Gui/Utils/SearchableWidget/SearchableModel.h"
 
#include "Utils/Playlist/PlaylistFwd.h"
#include "Utils/Pimpl.h"
 
class CustomMimeData;
class PlaylistCreator;
class QPixmap;
 
namespace Playlist
{
    class Model :
            public SearchableTableModel
    {
        Q_OBJECT
        PIMPL(Model)
 
        using SearchableModelInterface::ExtraTriggerMap;
 
        signals:
            void sigDataReady();
            void sigCurrentTrackChanged(int index);
            void sigCurrentScannedFileChanged(const QString& filename);
            void sigBusyChanged(bool b);
 
        public:
            enum StyleElement
            {
                Italic=0x2110,
                Bold=0x212C
            };
 
            enum ColumnName
            {
                TrackNumber=0,
                Cover,
                Description,
                Time,
                NumColumns
            };
 
            enum Roles
            {
                RatingRole=Qt::UserRole + 1,
                DragIndexRole=Qt::UserRole + 2,
                EntryLookRole=Qt::UserRole + 3,
                CurrentPlayingRole=Qt::UserRole + 4
            };
 
            explicit Model(PlaylistCreator* playlistCreator, PlaylistPtr playlist, QObject* parent);
            ~Model() override;
 
            int playlistIndex() const;
 
            void clear();
            void removeTracks(const IndexSet& rows);
            void deleteTracks(const IndexSet& rows);
 
            void findTrack(int index);
 
            IndexSet moveTracks(const IndexSet& rows, int target_index);
            IndexSet moveTracksUp(const IndexSet& rows);
            IndexSet moveTracksDown(const IndexSet& rows);
            IndexSet copyTracks(const IndexSet& rows, int target_index);
            void insertTracks(const MetaDataList& tracks, int row);
            void insertTracks(const QStringList& files, int row);
 
            int currentTrack() const;
 
            const MetaData& metadata(int row) const;
            MetaDataList metadata(const IndexSet& rows) const;
 
            bool hasLocalMedia(const IndexSet& rows) const;
            void setDragIndex(int dragIndex);
            void changeRating(const IndexSet& rows, Rating rating);
            void changeTrack(int trackIndex, Seconds seconds=0);
 
            void setBusy(bool b);
 
            Qt::ItemFlags flags(const QModelIndex& index=QModelIndex()) const override;
            QVariant data(const QModelIndex& index, int role=Qt::DisplayRole) const override;
            bool setData(const QModelIndex& index, const QVariant &value, int role) override;
            int rowCount(const QModelIndex& parent=QModelIndex()) const override;
            int columnCount(const QModelIndex& parent=QModelIndex()) const override;
 
            SearchableModelInterface::ExtraTriggerMap getExtraTriggers() override;
            QMimeData* mimeData(const QModelIndexList& indexes) const override;
            QModelIndexList searchResults(const QString& searchString) override;
 
        public slots:
            void refreshData();
            void reverseTracks();
 
        private slots:
            void playlistChanged(int playlistIndex);
            void currentTrackChanged(int oldIndex, int newIndex);
 
            void coversChanged();
            void coverFound(const QPixmap& pixmap);
            void coverLookupFinished(bool success);
 
        private:
            void startCoverLookup(const MetaData& track) const;
            void lookChanged();
            void refreshPlaylist(int rowCount, int columnCount);
    };
}
 
#endif /* PLAYLISTITEMMODEL_H */