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UserScript Notification Framework

This script is intended to work with @require only. Exposes an instance of the Notifications class of this script to window.UserScript.Notifications

此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.cn-greasyfork.org/scripts/438798/1019652/UserScript%20Notification%20Framework.js 

  1. // ==UserScript==
  2. // @namespace    Xortrox/UserScripts/Notifications
  3. // @name         UserScript Notification Framework
  4. // @version      0.3
  5. // @description  This script is intended to work with @require only. Exposes an instance of the Notifications class of this script to window.UserScript.Notifications
  6. // @author       Xortrox, Puls3
  7. // @match        *
  8. // @esversion:   6
  9. // @license MIT
  10. // ==/UserScript==
  11.  
  12. class Notifications {
  13.  
  14.     /** Should always be awaited before you use notifications. */
  15.     askPermission() {
  16.         return this.hasPermission();
  17.     }
  18.  
  19.     notify(title, text, icon) {
  20.         this.hasPermission().then(function (result) {
  21.             if (result === true) {
  22.                 let popup = new window.Notification(title, { body: text, icon: icon });
  23.                 popup.onclick = function () {
  24.                     window.focus();
  25.                 }
  26.             }
  27.         });
  28.     }
  29.  
  30.     hasPermission() {
  31.         return new Promise(function (resolve) {
  32.             if ('Notification' in window) {
  33.                 if (window.Notification.permission === 'granted') {
  34.                     resolve(true);
  35.                 } else {
  36.                     window.Notification.requestPermission().then(function (permission) {
  37.                         if (permission === 'granted') {
  38.                             resolve(true);
  39.                         } else {
  40.                             resolve(false);
  41.                         }
  42.                     });
  43.                 }
  44.             } else {
  45.                 resolve(true);
  46.             }
  47.         });
  48.     }
  49. }
  50.  
  51. if (!window.UserScript) {
  52.     window.UserScript = {};
  53. }
  54. window.UserScript.Notifications = new Notifications();