Revision 653137353662 () - Diff

Link to this snippet: https://friendpaste.com/5I4gCia8xh1fOH1oQ7c5JQ
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// ==UserScript==
// @name           Last.fm - Real Names
// @namespace      none
// @include        http://www.last.fm*
// @include        http://www.lastfm.*
// @include        http://cn.last.fm*
// ==/UserScript==

function trim(str) {
    return str.replace(/^\s+/, '').replace(/\s+$/, '');
}

function getRealName(nick, elem, sliceBy, addRealName) {
	GM_xmlhttpRequest({
		method: 'GET',
		url: 'http://ws.audioscrobbler.com/2.0/?method=user.getinfo&user='+nick+'&api_key=b25b959554ed76058ac220b7b2e0a026',
		headers: {
			'User-agent': 'Mozilla/4.0 (compatible) Greasemonkey/0.3',
			'Accept': 'text/xml'
		},
		onload: function(response) {
			if (!response.responseXML) {
				var xml = (new DOMParser()).parseFromString(response.responseText, 'text/xml');
			} else {
				var xml = response.responseXML;
			}
			var realName = xml.getElementsByTagName('realname')[0].firstChild.nodeValue;
			if (realName) {
				if (addRealName == true) {
					var newText = realName.slice(0,sliceBy)+' ('+nick+')';
				} else {
					var newText = realName.slice(0,sliceBy);
				}
				var replacedText = new RegExp(nick, 'gi');
				if (!elem.hasAttribute('realNameAdded')) {
					elem.innerHTML = elem.innerHTML.replace(replacedText, newText);
					elem.setAttribute('realNameAdded', true);
				}
			}
		}
	});
}

function changeName(topElem, sliceBy, addRealName) {
	var re = /^http:\/\/(.*\.|)(last\.fm|lastfm\.[^\/]+)\/user\/([^\?#]*)$/i;
	var elems = topElem.getElementsByTagName('a');
	for (var i = 0; i < elems.length; i++) {
		var elem = elems[i];
		if (!elem.hasAttribute('realNameAdded')) {
			if (m = re.exec(elem.href)) {
					parts = m[3].split('/');
					if (!parts[1]) {
					getRealName(parts[0], elem, sliceBy, addRealName);
				}
			}
		}
	}
}

var profileLinks = document.getElementById('profileLinks');
if (profileLinks)
	changeName(profileLinks, 26, false);
	
var aboutMe = document.getElementById('aboutMe');
if (aboutMe)
	changeName(aboutMe, 30, false);

var shoutList = document.getElementById('shoutList');
if (shoutList)
	changeName(shoutList, 40, true);

var recentDiscussions = document.getElementById('recentDiscussions');
if (recentDiscussions)
	changeName(recentDiscussions, 60, true);

changeName(document.body, 20, false);
document.addEventListener('DOMNodeInserted', function(ev){ changeName(ev.originalTarget, 15, true); }, true);