/*
 * TfLCD204Bricklet.h
 *
 *  Created on: 12.06.2014
 *      Author: matzman
 */

#ifndef TFLCD20X4BRICKLET_H_
#define TFLCD20X4BRICKLET_H_

#include <tfcppsimple/TfBricklet.h>
#include <bricklet_lcd_20x4.h>

namespace tfcppsimple {

class TfLCD20x4Bricklet;

class TfLCD20x4Listener {
public:
	virtual ~TfLCD20x4Listener() {}

	virtual void buttonStateCallback(TfLCD20x4Bricklet& lcd, uint8_t button, bool state) {}
};

class TfLCD20x4Bricklet: public TfBricklet {
friend class TfDeviceFactory;
private:
	LCD20x4 lcdObj;
	bool backlightFlag = false;
	bool cursorFlag = false;
	bool blinkingFlag = false;
	ObservableTemplate<TfLCD20x4Listener> lcdListeners;

	TfLCD20x4Bricklet(TfConnection& connection,
			std::string uid,
			std::string connected_uid,
			TfDevicePosition position,
			TfVersion hardware_version,
			TfVersion firmware_version,
			TfDevice* parent
			);

	virtual void doConfigureDevice();
	virtual void doReconfigureDevice();
	virtual void doConnectionLost();
	virtual void doShutdown();

	static void __buttonPressed(uint8_t button, void *user_data);
	static void __buttonReleased(uint8_t button, void *user_data);
	void buttonStateCallBack(uint8_t button, bool state);

public:
	virtual ~TfLCD20x4Bricklet();

	virtual std::string getDeviceName(bool extended = true);

	void writeLine(uint8_t line, uint8_t position, std::string txt);

	void clearDisplay();

	void setBacklight(bool backlight);

	bool getBacklight() { return false; }

	void setCursor(bool cursor, bool blinking = false);

	bool addLcdListener(TfLCD20x4Listener& listener);

	bool removeLcdListener(TfLCD20x4Listener& listener);
};

} /* namespace tfcppsimple */

#endif /* TFLCD20X4BRICKLET_H_ */