Notify the progress of Databricks Spark notebook computations via web notifications

databricksNotifications.js

(function() {
	if(!("Notification" in window)) {
		return;
	}

	function notify(str) {
		if (Notification.permission === "granted") {
			new Notification(str);
		}
	}

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

	var prevRunning = 0;
	function check() {
		var running = document.querySelectorAll('.progress-bar-shadow').length;
		if(running < prevRunning && running == 0) {
			notify("Spark notebook: All computations are done.");
		} else if(running < prevRunning) {
			notify("Spark notebook: " + running + " computations left.");
		}
		prevRunning = running;
	}

	setInterval(check, 10e3);
})();