setitagila-informer-webext-ff/background.js

var blinkTimer;

var checkPeriod = 5;
var dataurl = 'http://portal.setitagila.ru/reminder.php?ver=informst_webext_2.1.0';
var iswarning = false;
var islowb = false;
var islowt = false;
//var date;
var balance = 0;
var tariffnow = '-';
var tariffthen = '-';
var tariffstatus = '-';
var tariffprice = '-';

var settings;
browser.storage.sync.get().then((res) => { settings = res });

browser.runtime.onMessage.addListener(function(request, sender, sendResponse) {
	if (request.cmd == 'saveSetting') saveSetting(request.setting);
	if (request.cmd == 'requestUpdatePopup') updatePopup();
});

function saveSetting(setting) {
	browser.storage.sync.set(setting);
	Object.assign(settings, setting);
	updateButton();
}

var blinkColor;
function blink() {
	if (blinkColor != '#B72C43')
		blinkColor = '#B72C43';
	else
		blinkColor = settings.bstyle_color || "#666666";
	browser.browserAction.setBadgeBackgroundColor({ color: blinkColor });
}

function updateButton() {
	iswarning = false;
	islowb = false;
	islowt = false;

	if (settings.notify1 == true)
	if (balance <= settings.balanceRub) {
		islowb = true;
		iswarning = true;
	}

	if (settings.notify2 == true) {
		dt = new Date();
		dim = new Date(dt.getFullYear(), 1 + dt.getMonth(), 0).getDate();
		if ((dim - dt.getDate()) <= settings.balanceDay & (balance - (dim - dt.getDate() + 1) * 8) <= tariffprice) {
			islowt = true;
			iswarning = true;
		}
	}

//	var newLabel = 'Текущий баланс:			' + balance + ' руб.' + "\r\n" +
//	'Текущий тариф:			' + tariffnow + ' (' + (tariffstatus == 'on' ? 'включен' : 'ОТКЛЮЧЕН') + ")\r\n" +
//	'Тариф в след. месяце:	' + tariffthen + "\r\n" +
//	'Стоимость тарифа в след. месяце:	' + tariffprice + ' руб.';

    var bcolor = null;
	if (iswarning == true) {
//		if (islowb || islowt) newLabel += "\r\n";
//		if (islowb) newLabel += "\r\nУ Вас мало денег на счету!";
//		if (islowt) newLabel += "\r\nСредств не хватит на начало след. месяца!";
//		browser.browserAction.setTitle({ title: newLabel });
		if (settings.warn2 == 1) {
			clearInterval(blinkTimer);
			blinkTimer = setInterval(blink, 1000);
		} else {
			clearInterval(blinkTimer);
			bcolor = '#B72C43';
		}
	} else clearInterval(blinkTimer);

	if (bcolor != null)
		browser.browserAction.setBadgeBackgroundColor({ color: bcolor });
	else
		browser.browserAction.setBadgeBackgroundColor({ color: settings.bstyle_color || "#666666" });
	browser.browserAction.setBadgeText({ text: Math.floor(balance).toString() });

	updatePopup();
}

function updatePopup() {
	browser.runtime.sendMessage({ cmd: 'updatePopup', data: {
		balance: balance,
		tariffnow: tariffnow,
		tariffthen: tariffthen,
		tariffstatus: tariffstatus,
		tariffprice: tariffprice,
		iswarning: iswarning,
		islowb: islowb,
		islowt: islowt
	}});
}

function fetchData() {
	var req = new XMLHttpRequest();
	req.onreadystatechange = function() {
		if (req.readyState == 4) {
			clearTimeout(reqTimeout);
			var datatag = req.responseXML.getElementsByTagName('data')[0];
			//date = datatag.getElementsByTagName('date')[0].textContent;
			balance = parseFloat(datatag.getElementsByTagName('balance')[0].textContent);
			tariffnow = datatag.getElementsByTagName('tariffnow')[0].textContent;
			tariffthen = datatag.getElementsByTagName('tariffthen')[0].textContent;
			tariffstatus = datatag.getElementsByTagName('tariffstatus')[0].textContent;
			tariffprice = parseInt(datatag.getElementsByTagName('tariffprice')[0].textContent);
			console.log('fetchData', (new Date()).getTime());
			updateButton();
		}
	};
	req.open('GET', dataurl + '&timerand=' + (new Date()).getTime(), true);
	var reqTimeout = setTimeout(timeoutFunc, 3000);
	function timeoutFunc(){ req.abort() }
	req.send(null);
}

browser.alarms.create('mainLoop', {periodInMinutes: checkPeriod});
browser.alarms.onAlarm.addListener((alarm) => {
	fetchData();
});
fetchData();