ButtonManager/src/mdw/button/ButtonEventsHandler.cpp

/*
 * ButtonEventsHandler.cpp
 *
 *  Created on: 19 nov. 2023
 *      Author: remi.heredero
 */

#include <button/ButtonEventsHandler.h>
#include "trace/trace.h"
#include "board/ButtonsController.h"


ButtonEventsHandler::ButtonEventsHandler() {
	for(uint8_t i = 0; i< MAX_OBSERVER; i++) {
		observer_[i] = nullptr;
	}
}

ButtonEventsHandler* ButtonEventsHandler::getInstance() {
	static ButtonEventsHandler buttonEventsHandler_;
	return &buttonEventsHandler_;
}

XFEventStatus ButtonEventsHandler::processEvent() {
	eEventStatus eventStatus = XFEventStatus::Unknown;

	const XFEvent* ev = getCurrentEvent();
	XFEvent::XFEventType evType = ev->getEventType();
	int evid = ev->getId();

	oldState_ = currentState_;
	changeState_ = false;

	switch (currentState_) {
		case state::initial:
			if(evType == XFEvent::Initial) {
				currentState_ = state::run;
				changeState_ = true;
				eventStatus = XFEventStatus::Consumed;
			}
			break;

		case state::run:
			break;

	}

	if(changeState_) {
		switch (oldState_) { // onExit
			case state::initial:
				break;

			case state::run:
				break;
		}

		switch (currentState_) { // onEntry
			case state::initial:
				break;

			case state::run:
				buttonStateSm_[0].startBehavior();
				buttonStateSm_[1].startBehavior();
				buttonStateSm_[2].startBehavior();
				buttonStateSm_[3].startBehavior();
				break;
		}
	}
	return eventStatus;
}

void ButtonEventsHandler::onButtonChangeState(uint16_t buttonIndex, bool pressed) {
	if(pressed) {
		buttonStateSm_[buttonIndex].genButtonPressed();
	} else {
		buttonStateSm_[buttonIndex].genButtonReleased();
	}
}

bool ButtonEventsHandler::subscribe(interface::ButtonEventsHandlerObserver *observer) {
	for(uint8_t i = 0; i < MAX_OBSERVER; i++) {
		if (observer_[i] == nullptr) {
			observer_[i] = observer;
			return true;
		}
	}
	return false;
}

void ButtonEventsHandler::unsubscribe(interface::ButtonEventsHandlerObserver *observer) {
	for(uint8_t i = 0; i < MAX_OBSERVER; i++) {
			if (observer_[i] == observer) {
				observer_[i] = nullptr;
			}
		}
}

void ButtonEventsHandler::notifyButtonShortPressed(ButtonIndex buttonIndex) {
	for(uint8_t i = 0; i < MAX_OBSERVER; i++) {
		if (observer_[i] != nullptr) {
			observer_[i]->onButtonShortPressed(buttonIndex);
		}
	}
}

void ButtonEventsHandler::notifyButtonLongPressed(ButtonIndex buttonIndex) {
	for(uint8_t i = 0; i < MAX_OBSERVER; i++) {
		if (observer_[i] != nullptr) {
			observer_[i]->onButtonLongPressed(buttonIndex);
		}
	}
}