93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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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Clementine 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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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef QUEUE_H
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#define QUEUE_H
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#include <QAbstractProxyModel>
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#include "playlist.h"
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class Queue : public QAbstractProxyModel {
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Q_OBJECT
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public:
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Queue(Playlist* parent);
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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(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(int row);
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void MoveDown(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);
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QModelIndex mapFromSource(const QModelIndex& source_index) const;
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QModelIndex mapToSource(const QModelIndex& proxy_index) const;
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// QAbstractItemModel
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QModelIndex index(int row, int column,
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const QModelIndex& parent = QModelIndex()) const;
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QModelIndex parent(const QModelIndex& child) const;
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int rowCount(const QModelIndex& parent = QModelIndex()) const;
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int columnCount(const QModelIndex& parent = QModelIndex()) const;
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QVariant data(const QModelIndex& proxy_index, int role) const;
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QVariant headerData(int section, Qt::Orientation orientation, int role) const;
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QStringList mimeTypes() const;
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Qt::DropActions supportedDropActions() const;
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QMimeData* mimeData(const QModelIndexList& indexes) const;
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bool dropMimeData(const QMimeData* data, Qt::DropAction action, int row,
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int column, const QModelIndex& parent);
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Qt::ItemFlags flags(const QModelIndex& index) const;
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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,
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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 count_changed_;
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};
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#endif // QUEUE_H
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