103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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* Copyright 2019-2021, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef QUEUE_H
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#define QUEUE_H
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#include "config.h"
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#include <QObject>
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#include <QAbstractItemModel>
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#include <QAbstractProxyModel>
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#include <QList>
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#include <QVariant>
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#include <QString>
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#include <QStringList>
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class QMimeData;
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class Playlist;
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class Queue : public QAbstractProxyModel {
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Q_OBJECT
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public:
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explicit Queue(Playlist *playlist, QObject *parent = nullptr);
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static const char *kRowsMimetype;
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// Query the queue
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bool is_empty() const;
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int PositionOf(const QModelIndex &source_index) const;
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bool ContainsSourceRow(const int source_row) const;
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int PeekNext() const;
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int ItemCount() const;
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quint64 GetTotalLength() const;
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// Modify the queue
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int TakeNext();
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void ToggleTracks(const QModelIndexList &source_indexes);
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void InsertFirst(const QModelIndexList &source_indexes);
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void Clear();
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void Move(const QList<int> &proxy_rows, int pos);
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void MoveUp(const int row);
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void MoveDown(const int row);
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void Remove(QList<int> &proxy_rows);
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// QAbstractProxyModel
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void setSourceModel(QAbstractItemModel *source_model) override;
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QModelIndex mapFromSource(const QModelIndex &source_index) const override;
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QModelIndex mapToSource(const QModelIndex &proxy_index) const override;
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// QAbstractItemModel
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QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
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QModelIndex parent(const QModelIndex &child) const override;
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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int columnCount(const QModelIndex &parent = QModelIndex()) const override;
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QVariant data(const QModelIndex &proxy_index, int role) const override;
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QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
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QStringList mimeTypes() const override;
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Qt::DropActions supportedDropActions() const override;
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QMimeData *mimeData(const QModelIndexList &indexes) const override;
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bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) override;
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Qt::ItemFlags flags(const QModelIndex &idx) const override;
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public slots:
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void UpdateSummaryText();
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signals:
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void TotalLengthChanged(const quint64 length);
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void ItemCountChanged(const int count);
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void SummaryTextChanged(const QString &message);
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private slots:
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void SourceDataChanged(const QModelIndex &top_left, const QModelIndex &bottom_right);
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void SourceLayoutChanged();
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void UpdateTotalLength();
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private:
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QList<QPersistentModelIndex> source_indexes_;
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const Playlist *playlist_;
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quint64 total_length_ns_;
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QMetaObject::Connection signal_item_count_changed_;
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};
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#endif // QUEUE_H
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