Messenger.com notification

show notifications for every message on messenger.com (still very experimental)

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Messenger.com notification
// @namespace   Notifications
// @require http://code.jquery.com/jquery-latest.js
// @include     *://www.messenger.com/*
// @exclude     https://*/manifests/appCacheManifestHandler.ashx*
// @version     2
// @grant       none
// @description show notifications for every message on messenger.com (still very experimental)
// ==/UserScript==

(function () {
    
  window.last_baloons_count = 0;
  setInterval(function () {
    if ((conversation = anyNewEvents()) !== null) {
      showNotification("im",conversation);
    }
  }, 1000);


  function anyNewEvents () {
      var baloons_count = $('._1t_p').get().length;
      console.log('ballons_count',baloons_count);
      if (baloons_count != last_baloons_count) {
          last_baloons_count = baloons_count;
          console.log('New phrase!');
          last_conversation = $('._1t_p').last();
          conversation = extractMetadata(last_conversation);
          last_conversation_phrases = $(last_conversation).find('._3oh-');
          phrases = $(last_conversation_phrases).text();
          return conversation;
      } else {
          return null;
      }
  }
    
    function extractMetadata(baloon) {
        console.log('baloon',baloon);
        img = $(baloon).find('img');
        icon_url = img.attr('src');
        sender = img.attr('alt');
        if (sender == undefined) {
            gif_on_baloon = icon_url;
        }
        message = $(baloon).find('._3058._ui9._hh7._s1-._52mr').text();
        obj = {sender: sender, icon_url: icon_url, message: message, gif: gif_on_baloon };
        console.log('extracted info from baloon',obj);
        return obj;
    }

  function showNotification (type,conversation) {
      console.log('phrase',conversation);
    if (Notification.permission === 'granted') {
      createNotification(type,conversation);
    } else if (Notification.permission !== 'denied') {
      Notification.requestPermission(function (permission) {
        if (permission === 'granted') {
          createNotification(type,conversation);
        }
      });
    }
  }

  function createNotification (type,conversation) {
    var options = {}, text;
    switch (type) {
    case 'email':
      text = 'You have got a new email!';
      options.icon = 'https://i.imgur.com/l2wPNdt.png';
      break;
    case 'im':
      text = 'You have got a new IM!';
      options.icon = 'https://i.imgur.com/cP3929u.png';
      break;
    case 'calendar':
      text = 'Calendar event reminder!';
      options.icon = 'https://i.imgur.com/LIgx1T9.png';
      break;
    default:
      text = 'Some system event!';
      options.icon = 'https://i.imgur.com/zDX7V1w.png';
      break;
    }
      
     if (conversation.gif) {
         options.icon = conversation.gif;
     } else {
         options.icon = conversation.icon_url;
     }
      
    options.title = conversation.sender;
    options.body = conversation.message;
 
    text = options.title;
    console.log('Notification', text, options);
    return new Notification(text, options);
  }
})();