Restructure the source code a little.

Change-Id: I995b0fb33bdda7f01bf6266c1c50a1b17eba6760
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>

src/multimedia/controls/qmetadatareadercontrol.h

@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 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 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMETADATAREADERCONTROL_H
+#define QMETADATAREADERCONTROL_H
+
+#include <qmediacontrol.h>
+#include <qmediaobject.h>
+
+#include <qmediaresource.h>
+
+#include <qtmultimediadefs.h>
+#include "qtmedianamespace.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Multimedia)
+
+
+
+class Q_MULTIMEDIA_EXPORT QMetaDataReaderControl : public QMediaControl
+{
+    Q_OBJECT
+public:
+    ~QMetaDataReaderControl();
+
+    virtual bool isMetaDataAvailable() const = 0;
+
+    virtual QVariant metaData(QtMultimedia::MetaData key) const = 0;
+    virtual QList<QtMultimedia::MetaData> availableMetaData() const = 0;
+
+    virtual QVariant extendedMetaData(const QString &key) const = 0;
+    virtual QStringList availableExtendedMetaData() const = 0;
+
+Q_SIGNALS:
+    void metaDataChanged();
+
+    void metaDataAvailableChanged(bool available);
+
+protected:
+    QMetaDataReaderControl(QObject *parent = 0);
+};
+
+#define QMetaDataReaderControl_iid "com.nokia.Qt.QMetaDataReaderControl/1.0"
+Q_MEDIA_DECLARE_CONTROL(QMetaDataReaderControl, QMetaDataReaderControl_iid)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+
+#endif  // QMETADATAPROVIDER_H