qt-everywhere-src-5.14.1/qtmultimedia/tests/auto/unit/qmultimedia_common/mockmetadatareadercontrol.h

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** This file is part of the test suite of the Qt Toolkit.
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#ifndef MOCKMETADATAREADERCONTROL_H
#define MOCKMETADATAREADERCONTROL_H

#include "qmetadatareadercontrol.h"

class MockMetaDataReaderControl : public QMetaDataReaderControl
{
    Q_OBJECT
public:
    MockMetaDataReaderControl(QObject *parent = 0)
        : QMetaDataReaderControl(parent)
        , m_available(false)
    {
    }

    bool isMetaDataAvailable() const
    {
        return m_available;
    }
    void setMetaDataAvailable(bool available)
    {
        if (m_available != available)
            emit metaDataAvailableChanged(m_available = available);
    }
    QStringList availableMetaData() const
    {
        return m_data.keys();
    }

    QVariant metaData(const QString &key) const
    {
        return m_data.value(key);
    }

    void setMetaData(const QString &key, const QVariant &value)
    {
        if (m_data[key] != value) {
            if (value.isNull())
                m_data.remove(key);
            else
                m_data[key] = value;

            emit metaDataChanged(key, value);
            emit metaDataChanged();
        }
    }

    using QMetaDataReaderControl::metaDataChanged;

    void populateMetaData()
    {
        m_available = true;
    }

    bool m_available;
    QMap<QString, QVariant> m_data;
};

#endif // MOCKMETADATAREADERCONTROL_H