115 lines
3.4 KiB
JavaScript
115 lines
3.4 KiB
JavaScript
define(['/api/config'], function (ApiConfig) {
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var Module = {};
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var isSupported = Module.isSupported = function () {
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return typeof(window.Notification) === 'function';
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};
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var hasPermission = Module.hasPermission = function () {
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return Notification.permission === 'granted';
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};
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var getPermission = Module.getPermission = function (f) {
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Notification.requestPermission(function (permission) {
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if (permission === "granted") { f(true); }
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else { f(false); }
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});
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};
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var create = Module.create = function (msg, title) {
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return new Notification(title,{
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// icon: icon,
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body: msg,
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});
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};
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Module.system = function (msg, title, icon) {
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// Let's check if the browser supports notifications
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if (!isSupported()) { console.log("Notifications are not supported"); }
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// Let's check whether notification permissions have already been granted
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else if (hasPermission()) {
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// If it's okay let's create a notification
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return create(msg, title, icon);
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}
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// Otherwise, we need to ask the user for permission
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else if (Notification.permission !== 'denied') {
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getPermission(function (state) {
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if (state) { create(msg, title, icon); }
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});
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}
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};
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var DEFAULT_MAIN = '/customize/main-favicon.png?' + ApiConfig.requireConf.urlArgs;
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var DEFAULT_ALT = '/customize/alt-favicon.png?' + ApiConfig.requireConf.urlArgs;
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var createFavicon = function () {
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console.log("creating favicon");
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var fav = document.createElement('link');
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var attrs = {
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id: 'favicon',
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type: 'image/png',
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rel: 'icon',
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'data-main-favicon': DEFAULT_MAIN,
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'data-alt-favicon': DEFAULT_ALT,
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href: DEFAULT_MAIN,
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};
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Object.keys(attrs).forEach(function (k) {
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fav.setAttribute(k, attrs[k]);
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});
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document.head.appendChild(fav);
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};
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if (!document.getElementById('favicon')) { createFavicon(); }
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Module.tab = function (frequency, count) {
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var key = '_pendingTabNotification';
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var favicon = document.getElementById('favicon');
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var main = DEFAULT_MAIN;
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var alt = DEFAULT_ALT;
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if (favicon) {
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main = favicon.getAttribute('data-main-favicon') || DEFAULT_MAIN;
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alt = favicon.getAttribute('data-alt-favicon') || DEFAULT_ALT;
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favicon.setAttribute('href', main);
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}
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var cancel = function (pending) {
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// only run one tab notification at a time
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if (Module[key]) {
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window.clearInterval(Module[key]);
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if (favicon) {
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favicon.setAttribute('href', pending? alt : main);
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}
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return true;
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}
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return false;
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};
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cancel();
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var step = function () {
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if (favicon) {
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favicon.setAttribute('href', favicon.getAttribute('href') === main? alt : main);
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}
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--count;
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};
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Module[key] = window.setInterval(function () {
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if (count > 0) { return step(); }
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cancel(true);
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}, frequency);
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step();
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return {
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cancel: cancel,
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};
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};
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return Module;
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}); |