102 lines
3.1 KiB
JavaScript
102 lines
3.1 KiB
JavaScript
// ==UserScript==
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// @name Facebook desktop notification
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// @namespace https://www.schtobia.de/
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// @version 0.2.8
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// @description Facebook desktop notification (based on HTML5)
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// @author Tobias Schmidl
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// @include http*://www.facebook.com/*
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// @include http*://m.facebook.com/*
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// @include http*://facebook.com/*
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// @grant GM_getValue
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// @run-at document-end
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// @downloadURL https://github.com/schtobia/greasemonkey/raw/master/facebook-notification.user.js
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// @updateURL https://github.com/schtobia/greasemonkey/raw/master/facebook-notification.user.js
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// ==/UserScript==
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//
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var Notification = window.Notification || window.mozNotification || window.webkitNotification;
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var friendRequestsElement = document.getElementById("requestsCountValue");
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var messagesElement = document.getElementById("mercurymessagesCountValue");
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var notificationsElement = document.getElementById("notificationsCountValue");
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var newFriendRequests = 0;
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var newMessages = 0;
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var newNotifications = 0;
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var lastFriendRequests = 0;
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var lastMessages = 0;
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var lastNotifications = 0;
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var notificationInstance = null;
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var timeout = GM_getValue("timeout", 10000);
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var intervalID = null;
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notify = function()
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{
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if (friendRequestsElement == null || messagesElement == null || notificationsElement == null)
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{
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console.log(GM_info.script.name + ": One of the DOM nodes is empty! Clearing the interval timer " + intervalID + "!");
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clearInterval(intervalID);
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intervalID = null;
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return;
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}
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newFriendRequests = friendRequestsElement.innerHTML;
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newMessages = messagesElement.innerHTML;
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newNotifications = notificationsElement.innerHTML;
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if (newFriendRequests > lastFriendRequests || newMessages > lastMessages || newNotifications > lastNotifications)
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{
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var msg= " ";
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if (newFriendRequests > lastFriendRequests)
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msg = msg + "| " + (newFriendRequests - lastFriendRequests) + " new Friend Request(s) |";
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if (newMessages > lastMessages)
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msg = msg + "| " + (newMessages - lastMessages) + " new Message(s) |";
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if (newNotifications > lastNotifications)
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msg = msg + "| " + (newNotifications - lastNotifications) + " new Notification(s) |";
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console.log(GM_info.script.name + ": Trying to set notification...", msg);
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notificationInstance = new Notification("Facebook (" + newFriendRequests + '|' + newMessages + '|' + newNotifications + ')',
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{
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"dir" : "auto",
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"body" : msg,
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"icon" : document.baseURI + "/favicon.ico",
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"lang" : "en-US"
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}
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)
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lastFriendRequests = newFriendRequests;
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lastMessages = newMessages;
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lastNotifications = newNotifications;
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}
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}
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registerNotification = function()
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{
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Notification.requestPermission(function(grantedPermission){
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if (grantedPermission === "granted")
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{
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console.log(GM_info.script.name + ": permission granted");
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intervalID = setInterval(notify, timeout);
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console.log(GM_info.script.name + ": intervalID: " + intervalID);
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}
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else
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{
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console.log(GM_info.script.name + ": permission NOT granted");
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}
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});
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}
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/* Normal flow of operations below! */
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if (!Notification)
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{
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alert("Notifications are not supported for this browser version yet.");
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}
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else
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registerNotification();
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