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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

Ce script ne devrait pas être installé directement. C'est une librairie créée pour d'autres scripts. Elle doit être inclus avec la commande // @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();