/**************************************************************************** ** ** 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 #include #include #include #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 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