jpn_tmonkey.js

// ==UserScript==
// @name         JupyterExt
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description
// @author       mrk-andreev
// @match        http://localhost:8888/notebooks/*
// @grant        none
// ==/UserScript==

(function() {
    var FONT_SIZE = '18px';

    $('body').append("<style>#notebook-container {width:100% !important;font-size:" + FONT_SIZE + ";}.CodeMirror-lines {font-size:" + FONT_SIZE + " !important;}</style>");

    var is_window_in_focus;
    $(window).focus(function() {
        is_window_in_focus = true;
    }).blur(function() {
        is_window_in_focus = false;
    });

    if (Notification.permission !== "denied") {
        Notification.requestPermission();
    }

    var it_try_init;
    it_try_init = setInterval(function () {
        if (typeof Jupyter !== "undefined") {
            Jupyter.notebook.events.on("kernel_idle.Kernel", function(){
                if (!is_window_in_focus){
                    new Notification("[" + Jupyter.notebook.notebook_name + "] is ready");
                }
            });
            clearInterval(it_try_init);
        }
    }, 1000);
})();