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diff --git a/examples/charts/qmloscilloscope/datasource.h b/examples/charts/qmloscilloscope/datasource.h
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+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the Qt Enterprise Charts Add-on.
+**
+** $QT_BEGIN_LICENSE$
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DATASOURCE_H
+#define DATASOURCE_H
+
+#include <QObject>
+#include <QAbstractSeries>
+
+class QQuickView;
+
+QT_CHARTS_USE_NAMESPACE
+
+class DataSource : public QObject
+{
+    Q_OBJECT
+public:
+    explicit DataSource(QQuickView *appViewer, QObject *parent = 0);
+
+signals:
+
+public slots:
+    void generateData(int type, int rowCount, int colCount);
+    void update(QAbstractSeries *series);
+
+private:
+    QQuickView *m_appViewer;
+    QList<QList<QPointF> > m_data;
+    int m_index;
+};
+
+#endif // DATASOURCE_H