#ifndef SENSOR_H
#define SENSOR_H

#include <vector>
#include <QObject>

/** listen for sensor events */
template <typename T> class SensorListener {

public:

	/** incoming sensor data */
	virtual void onSensorData(const T& data) = 0;

};


/** base-class for all sensors */
template <typename T> class Sensor {

private:

	std::vector<SensorListener<T>*> listeners;

public:

	/** start this sensor */
	virtual void start() = 0;

	/** stop this sensor */
	virtual void stop() = 0;

	/** add the given listener to the sensor */
	void addListener(SensorListener<T>* l) {
		listeners.push_back(l);
	}

protected:

	/** inform all attached listeners */
	void informListeners(const T& sensorData) const {
		for (SensorListener<T>* l : listeners) {
			l->onSensorData(sensorData);
		}
	}


};

#endif // SENSOR_H