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

Dette script bør ikke installeres direkte. Det er et bibliotek, som andre scripts kan inkludere med metadirektivet // @require https://update.greatest.deepsurf.us/scripts/438798/1019652/UserScript%20Notification%20Framework.js

// ==UserScript==
// @namespace    Xortrox/UserScripts/Notifications
// @name         UserScript Notification Framework
// @version      0.3
// @description  This script is intended to work with @require only. Exposes an instance of the Notifications class of this script to window.UserScript.Notifications
// @author       Xortrox, Puls3
// @match        *
// @esversion:   6
// @license MIT
// ==/UserScript==

class Notifications {

    /** Should always be awaited before you use notifications. */
    askPermission() {
        return this.hasPermission();
    }

    notify(title, text, icon) {
        this.hasPermission().then(function (result) {
            if (result === true) {
                let popup = new window.Notification(title, { body: text, icon: icon });
                popup.onclick = function () {
                    window.focus();
                }
            }
        });
    }

    hasPermission() {
        return new Promise(function (resolve) {
            if ('Notification' in window) {
                if (window.Notification.permission === 'granted') {
                    resolve(true);
                } else {
                    window.Notification.requestPermission().then(function (permission) {
                        if (permission === 'granted') {
                            resolve(true);
                        } else {
                            resolve(false);
                        }
                    });
                }
            } else {
                resolve(true);
            }
        });
    }
}

if (!window.UserScript) {
    window.UserScript = {};
}
window.UserScript.Notifications = new Notifications();