fallback_sensor.h

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#pragma once
 
#include "sensor.h"
 
class FallbackSensor final : public Sensor {
public:
    FallbackSensor(SensorType outputType, SensorType primarySensor, SensorType fallbackSensor)
        : Sensor(outputType)
        , m_primary(primarySensor)
        , m_fallback(fallbackSensor)
    {
    }
 
    SensorResult get() const override {
        auto primary = Sensor::get(m_primary);
 
        if (primary) {
            return primary;
        }
 
        return Sensor::get(m_fallback);
    }
 
    void showInfo(const char* sensorName) const override;
 
private:
    const SensorType m_primary;
    const SensorType m_fallback;
};