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diff --git a/app/playlistwithmetadata.h b/app/playlistwithmetadata.h
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+++ b/app/playlistwithmetadata.h
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+/*
+ * Copyright (C) 2016 The Qt Company Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef PLAYLISTWITHMETADATA_H
+#define PLAYLISTWITHMETADATA_H
+
+#include <QtCore/QAbstractListModel>
+
+class PlaylistWithMetadata : public QAbstractListModel
+{
+    Q_OBJECT
+    Q_PROPERTY(QAbstractListModel *source READ source WRITE setSource NOTIFY sourceChanged)
+public:
+    PlaylistWithMetadata(QObject *parent = nullptr);
+    ~PlaylistWithMetadata();
+
+    enum {
+        TitleRole = Qt::DisplayRole
+        , ArtistRole = Qt::UserRole + 1
+        , CoverArtRole
+        , SourceRole
+        , DurationRole
+    };
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    QHash<int, QByteArray> roleNames() const override;
+
+    QAbstractListModel *source() const;
+
+public slots:
+    void setSource(QAbstractListModel *source);
+
+signals:
+    void sourceChanged(QAbstractListModel *source);
+
+private:
+    class Private;
+    Private *d;
+};
+
+#endif // PLAYLISTWITHMETADATA_H