☰

m.facebook.com sound notification

Play sound when a message comes.

当前为 2017-11-30 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         m.facebook.com sound notification
  3. // @namespace    http://tampermonkey.net/
  4. // @version      2.0
  5. // @description  Play sound when a message comes.
  6. // @author       Psyblade
  7. // @match        https://m.facebook.com/*
  8. // @grant        none
  9. // ==/UserScript==
  10.  
  11. //Disable page visibility api to make browser play sound even when browser is off to the bottom, or when the active web tab is not Facebook.
  12. Object.defineProperties(document.wrappedJSObject,{ 'hidden': {value: false}, 'visibilityState': {value: 'visible'} });
  13. window.addEventListener( 'visibilitychange', evt => evt.stopImmediatePropagation(), true);
  14.  
  15. //For some reason, this procedure is must to make Yandex Browser use this script stably.
  16. var initialization = new Audio('https://raw.githubusercontent.com/psyblade12/Notification-in-m.facebook.com/master/Initialization.mp3');
  17. initialization.play();
  18.  
  19. //Add event listener to element #2 of classes named "_59tg". Event will fire if the web browser detects changes in inner HTML of that element.
  20. document.getElementsByClassName("_59tg")[2].addEventListener("DOMNodeInserted", function(){
  21.         var b =  document.getElementsByClassName("_59tg");
  22.     //If there is a mess, then its inner HTML of this element will be something, like "1","2" or "3".... except "0"
  23.         if(b[2].innerHTML != "0")
  24.         {
  25.                 //Play the notification sound. If you want, then change the link. Replace my link by any sound you want to hear.
  26.                 var audio = new Audio('https://raw.githubusercontent.com/psyblade12/Notification-in-m.facebook.com/master/FBMessSound.ogg');
  27.                 audio.play();
  28.                //Vibrate the phone.
  29.                 window.navigator.vibrate(300);
  30.         }
  31. });