Checks for new mails arriving in owa and provides a desktop notification
// ==UserScript==
// @name Outlook MailChecker
// @namespace Outlook
// @description Checks for new mails arriving in owa and provides a desktop notification
// @include https://outlook.office.com/owa*
// @author Cladius Fernando
// @version 1
// @grant none
// ==/UserScript==
//Obtaining the div which contains all the mail previews (Under "Inbox")
var mailsDiv = document.querySelectorAll("[autoid=_xlv_e]")[0];
var lastMailId = mailsDiv.children[1].id;
var lastUnreadMailId = null;
//Set this to false if you want to turn off logging.
var isLoggingRequired = false;
function checkMail(){
log("Inside checkMail method.");
var index = 1;
var maxTries = 0;
var startPoint = getNextMail(index);
while(startPoint === null && maxTries < 20){
startPoint = getNextMail(index++);
maxTries++;
}
log("startPoint set to : " + startPoint.id);
/*
* There is no need to show alert to the user when no mail items are detected.
*/
if(startPoint === null){
log("Returning as startPoint is null i.e. no mail items found in inbox");
return;
}
/*
* There is no need to show alert to the user when he has just loaded the page for the first time.
*/
if(startPoint.id === lastMailId){
log("Returning as startPoint id matches with last mail id.");
return;
}
/*
* There is no need to show multiple alerts to the user for the same mail.
*/
if(startPoint.id === lastUnreadMailId){
log("Returning as startPoint id matches with last unread mail id.");
return;
}
var nextMail = startPoint;
log("Setting nextMail to : " + nextMail.id);
if(isUnreadMail(nextMail)){
log("New mail: " + nextMail.id);
var mailDetails = nextMail.children[0].getAttribute("aria-label");
mailDetails = mailDetails.split(",");
var options = {
body: mailDetails[1] + " : " + mailDetails[2],
sticky: true
};
notify("New Mail", options);
lastUnreadMailId = nextMail.id;
}else{
log("No unread mail found.");
}
}
function isUnreadMail(mailItem){
return mailItem.children[0].getAttribute("aria-label").startsWith("1 Unread");
}
function getNextMail(index){
var nextMail = mailsDiv.children[index];
log("NextMail id found as: " + nextMail.id);
if(nextMail.id == ""){
return null;
}
return nextMail;
}
function notify(title, options) {
log("Triggering notification.");
// Let's check if the browser supports notifications
if (!("Notification" in window)) {
alert("This browser does not support desktop notification");
}
// Let's check if the user is okay to get some notification
else if (Notification.permission === "granted") {
// If it's okay let's create a notification
var notification = new Notification(title, options);
}
// Otherwise, we need to ask the user for permission
// Note, Chrome does not implement the permission static property
// So we have to check for NOT 'denied' instead of 'default'
else if (Notification.permission !== 'denied') {
Notification.requestPermission(function (permission) {
// If the user is okay, let's create a notification
if (permission === "granted") {
var notification = new Notification(title, options);
}
});
}
}
setInterval(checkMail, 5000);
function log(message){
if(isLoggingRequired){
console.log(message);
}
}