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#ifndef AVFCAMERAEXPOSURE_H
#define AVFCAMERAEXPOSURE_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 <private/qplatformcameraexposure_p.h>
#include <QtMultimedia/qcamera.h>

#include <QtCore/qglobal.h>

QT_BEGIN_NAMESPACE

class AVFCamera;

class AVFCameraExposure : public QPlatformCameraExposure
{
    Q_OBJECT

public:
    AVFCameraExposure(AVFCamera *camera);

    bool isParameterSupported(ExposureParameter parameter) const override;
    QVariantList supportedParameterRange(ExposureParameter parameter,
                                         bool *continuous) const override;

    QVariant requestedValue(ExposureParameter parameter) const override;
    QVariant actualValue(ExposureParameter parameter) const override;
    bool setValue(ExposureParameter parameter, const QVariant &value) override;

    QCamera::FlashMode flashMode() const override;
    void setFlashMode(QCamera::FlashMode mode) override;
    bool isFlashModeSupported(QCamera::FlashMode mode) const override;
    bool isFlashReady() const override;

    QCamera::TorchMode torchMode() const override;
    void setTorchMode(QCamera::TorchMode mode) override;
    bool isTorchModeSupported(QCamera::TorchMode mode) const override;

private Q_SLOTS:
    void cameraActiveChanged(bool active);

private:
    void applyFlashSettings();

    AVFCamera *m_camera;

    QVariant m_requestedMode;
    QVariant m_requestedCompensation;
    QVariant m_requestedShutterSpeed;
    QVariant m_requestedISO;

    // Aux. setters:
    bool setExposureMode(const QVariant &value);
    bool setExposureCompensation(const QVariant &value);
    bool setShutterSpeed(const QVariant &value);
    bool setISO(const QVariant &value);

    // Set of bits:
    bool isFlashSupported = false;
    bool isFlashAutoSupported = false;
    bool isTorchSupported = false;
    bool isTorchAutoSupported = false;
    QCamera::FlashMode m_flashMode = QCamera::FlashOff;
    QCamera::TorchMode m_torchMode = QCamera::TorchOff;
};

QT_END_NAMESPACE

#endif