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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQUICKANIMATEDNODE_P_H
+#define QQUICKANIMATEDNODE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtQuick/qsgnode.h>
+#include <QtCore/qelapsedtimer.h>
+#include <QtQuickControls2Impl/private/qtquickcontrols2implglobal_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QQuickItem;
+class QQuickWindow;
+
+class Q_QUICKCONTROLS2_PRIVATE_EXPORT QQuickAnimatedNode : public QObject, public QSGTransformNode
+{
+    Q_OBJECT
+
+public:
+    explicit QQuickAnimatedNode(QQuickItem *target);
+
+    bool isRunning() const;
+
+    int currentTime() const;
+    void setCurrentTime(int time);
+
+    int duration() const;
+    void setDuration(int duration);
+
+    enum LoopCount { Infinite = -1 };
+
+    int loopCount() const;
+    void setLoopCount(int count);
+
+    virtual void sync(QQuickItem *target);
+
+    QQuickWindow *window() const;
+
+    // must be called from sync() or updatePaintNode()
+    void start(int duration = 0);
+    void restart();
+    void stop();
+
+Q_SIGNALS:
+    void started();
+    void stopped();
+
+protected:
+    virtual void updateCurrentTime(int time);
+
+private Q_SLOTS:
+    void advance();
+    void update();
+
+private:
+    bool m_running = false;
+    int m_duration = 0;
+    int m_loopCount = 1;
+    int m_currentTime = 0;
+    int m_currentLoop = 0;
+    QElapsedTimer m_timer;
+    QQuickWindow *m_window = nullptr;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQUICKANIMATEDNODE_P_H