Clementine-audio-player-Mac.../src/playlist/queue.h

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QUEUE_H
#define QUEUE_H
#include "playlist.h"
#include <QAbstractProxyModel>
class Queue : public QAbstractProxyModel {
Q_OBJECT
public:
Queue(QObject* parent = nullptr);
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static const char* kRowsMimetype;
// Query the queue
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bool is_empty() const;
int PositionOf(const QModelIndex& source_index) const;
bool ContainsSourceRow(int source_row) const;
int PeekNext() const;
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// Modify the queue
int TakeNext();
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void ToggleTracks(const QModelIndexList& source_indexes);
void Clear();
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void Move(const QList<int>& proxy_rows, int pos);
void MoveUp(int row);
void MoveDown(int row);
void Remove(QList<int>& proxy_rows);
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// QAbstractProxyModel
void setSourceModel(QAbstractItemModel* source_model);
QModelIndex mapFromSource(const QModelIndex& source_index) const;
QModelIndex mapToSource(const QModelIndex& proxy_index) const;
// QAbstractItemModel
QModelIndex index(int row, int column,
const QModelIndex& parent = QModelIndex()) const;
QModelIndex parent(const QModelIndex& child) const;
int rowCount(const QModelIndex& parent = QModelIndex()) const;
int columnCount(const QModelIndex& parent = QModelIndex()) const;
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QVariant data(const QModelIndex& proxy_index, int role) const;
QVariant headerData(int section, Qt::Orientation orientation, int role) const;
QStringList mimeTypes() const;
Qt::DropActions supportedDropActions() const;
QMimeData* mimeData(const QModelIndexList& indexes) const;
bool dropMimeData(const QMimeData* data, Qt::DropAction action, int row,
int column, const QModelIndex& parent);
Qt::ItemFlags flags(const QModelIndex& index) const;
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private slots:
void SourceDataChanged(const QModelIndex& top_left,
const QModelIndex& bottom_right);
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void SourceLayoutChanged();
private:
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QList<QPersistentModelIndex> source_indexes_;
};
#endif // QUEUE_H