Play sound when a message comes.
目前為
// ==UserScript==
// @name m.facebook.com sound notification
// @namespace http://tampermonkey.net/
// @version 2.0
// @description Play sound when a message comes.
// @author Psyblade
// @match https://m.facebook.com/*
// @grant none
// ==/UserScript==
//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.
Object.defineProperties(document.wrappedJSObject,{ 'hidden': {value: false}, 'visibilityState': {value: 'visible'} });
window.addEventListener( 'visibilitychange', evt => evt.stopImmediatePropagation(), true);
//For some reason, this procedure is must to make Yandex Browser use this script stably.
var initialization = new Audio('https://raw.githubusercontent.com/psyblade12/Notification-in-m.facebook.com/master/Initialization.mp3');
initialization.play();
//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.
document.getElementsByClassName("_59tg")[2].addEventListener("DOMNodeInserted", function(){
var b = document.getElementsByClassName("_59tg");
//If there is a mess, then its inner HTML of this element will be something, like "1","2" or "3".... except "0"
if(b[2].innerHTML != "0")
{
//Play the notification sound. If you want, then change the link. Replace my link by any sound you want to hear.
var audio = new Audio('https://raw.githubusercontent.com/psyblade12/Notification-in-m.facebook.com/master/FBMessSound.ogg');
audio.play();
//Vibrate the phone.
window.navigator.vibrate(300);
}
});