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

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#ifndef MOCKVIDEODEVICESELECTORCONTROL_H
#define MOCKVIDEODEVICESELECTORCONTROL_H

#include <qvideodeviceselectorcontrol.h>

class MockVideoDeviceSelectorControl : public QVideoDeviceSelectorControl
{
    Q_OBJECT
public:
    MockVideoDeviceSelectorControl(QObject *parent)
        : QVideoDeviceSelectorControl(parent)
        , m_selectedDevice(1)
    {
    }

    ~MockVideoDeviceSelectorControl() { }

    int deviceCount() const { return availableCameras().count(); }

    QString deviceName(int index) const { return QString::fromLatin1(availableCameras().at(index)); }
    QString deviceDescription(int index) const { return cameraDescription(availableCameras().at(index)); }

    int defaultDevice() const { return availableCameras().indexOf(defaultCamera()); }
    int selectedDevice() const { return m_selectedDevice; }
    void setSelectedDevice(int index)
    {
        m_selectedDevice = index;
        emit selectedDeviceChanged(m_selectedDevice);
        emit selectedDeviceChanged(deviceName(m_selectedDevice));
    }

    static QByteArray defaultCamera()
    {
        return "othercamera";
    }

    static QList<QByteArray> availableCameras()
    {
        return QList<QByteArray>() << "backcamera" << "othercamera";
    }

    static QString cameraDescription(const QByteArray &camera)
    {
        if (camera == "backcamera")
            return QStringLiteral("backcamera desc");
        else if (camera == "othercamera")
            return QStringLiteral("othercamera desc");
        else
            return QString();
    }

private:
    int m_selectedDevice;
    QStringList m_devices;
    QStringList m_descriptions;
};

#endif // MOCKVIDEODEVICESELECTORCONTROL_H