// ==UserScript==
// @name Last.fm - My Top Tracks - Fix (slow)
// @namespace xxx
// @description Shows any tracks on Last.fm artist pages that you've listened to by that artist.
// @include http://www.last.fm/music/*
// ==/UserScript==
/* CUSTOM VARIABLES */
// chartLimit: Maximum number of songs to display in "My Top Tracks" on
// each artist's page. Set to 0 for no limit. Default is 10.
var chartLimit = 50;
// cacheTimeout: Script will use the cache for this amount of time (in
// minutes) before updating. Set to 0 to disable cacheing.
// Default is 60 * 24 (60 mins in an hour * 24 hours in a
// day = daily). [NB: * is multiplication.]
var cacheTimeout = -1;
// putItHere: Location for placing the new table.
//
var putItHere = 4;
/* History */
// Previous Home : http://bear.unixbsd.info/~zaltan/lastfm/
// Previously modified by iten
// snyde1: 1-Nov-2006 modify for Oct 2006 release of last.fm; fix for artists with "&" in name
// snyde1: 14-Dec-2006 modify for Dec 2006 release of last.fm
// snyde1: 12-Feb-2007 modify for Feb 2007 release of last.fm
/* SCRIPT */
function xpath(query) {
return document.evaluate(query, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
}
function escape2(str) {
var times;
if (arguments.length < 2) {
times = 1;
} else {
times = arguments[1];
}
for (var i = 0; i < times; i++) {
str = encodeURIComponent(str).replace(/\%20/g, "+");
}
return str;
}
function unescape2(str) {
var times;
if (arguments.length < 2) {
times = 1;
} else {
times = arguments[1];
}
for (var i = 0; i < times; i++) {
str = decodeURIComponent(str.replace(/\%26/g, "&"));
str = decodeURIComponent(str.replace(/\+/g, "%20"));
str = decodeURIComponent(str.replace(/ \& /g, " & ")); // Fix for artist with ampersand for and
}
return str;
}
function doChart(xml, username, artist) {
var XMLtracks = xml[0].tr;
var tracks = new Array();
var lastPos = 0;
var lastCount;
var j = 0;
var extratd = 0;
var theArtist = ""+artist;
theArtist = (theArtist.replace(/\&\;/g, "%26"));
var repArtist = theArtist.replace(/\ /g, "+");
repArtist = repArtist.replace(/\%/g, "%25");
for (var i = 0; i < XMLtracks.length(); i++) {
var trackURL = XMLtracks[i].td[1].span.a[1].@href;
var re = /\/music\/([^\/]+)\/_\/([^\/]+)/;
if(extratd == 1) {
trackURL = XMLtracks[i].td[2].span.a[1].@href;
}
var matches = re.exec(trackURL);
if (matches == null) {
continue;
}
var currArtist = matches[1];
var currName = matches[2];
if(extratd == 1) {
currCount = XMLtracks[i].td[4].div.span;
extratd = 0;
} else {
var currCount = XMLtracks[i].td[3].div.span;
}
currArtist = unescape2(currArtist);
if (unescape2(currArtist) != unescape2(theArtist)) {
continue;
}
tracks[j] = new Array();
tracks[j]["name"] = currName;
tracks[j]["count"] = currCount;
if (j == 0) {
tracks[0]["pos"] = 1;
var maxCount = tracks[0]["count"];
} else {
if (tracks[j]["count"] == lastCount) {
tracks[j]["pos"] = lastPos;
} else {
tracks[j]["pos"] = j + 1;
}
}
tracks[j]["width"] = Math.max(12, Math.round(tracks[j]["count"] / maxCount * 100));
lastPos = tracks[j]["pos"];
lastCount = tracks[j]["count"];
j++;
}
if (tracks.length < 1) {
return;
}
var barCharts = xpath("//h3");
for (var j = 0; j < barCharts.snapshotLength; j++ ) {
if ( barCharts.snapshotItem(j).textContent.match(/Top Tracks, Last Six Months/) ) {
putItHere = j;
}
}
var insertBeforeHere = barCharts.snapshotItem(putItHere);
var newnode = document.createElement("div");
newnode.setAttribute("id", "mychart");
newnode.setAttribute("style", "width: 100%;");
insertBeforeHere.parentNode.parentNode.insertBefore(newnode, insertBeforeHere.parentNode);
var mychart = document.getElementById("mychart");
if (!mychart) {
return;
}
if (chartLimit < 1) {
chartLimit = 500;
}
var HTML = "<h3><a href=\"/user/"+escape2(username)+"/charts/&charttype=overall&subtype=track\" title=\"More top tracks...\">Top Tracks, Me</a></h3><div ><table cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"100%\" class=\"barChart inlineChart\">";
var firstitem = 1;
for (var k = 0; k < tracks.length && k < chartLimit; k++) {
HTML += "<tr><td class=\"position\">"+tracks[k]["pos"]+"</td><td class=\"subject\" title=\""+unescape2(tracks[k]["name"], 2)+ ", played "+ tracks[k]["count"] +" times\"><div>"+"<span class=\"percentageBar\" style=\"width: "+tracks[k]["width"]+"%;\">"+"</span><span class=\"text\"><a title=\""+unescape2(tracks[k]["name"], 2)+ "\" href=\"/music/"+repArtist+"/_/"+ tracks[k]["name"] +"\">"+unescape2(tracks[k]["name"])+"</a></span></div></td><td class=\"counter\" >"+ tracks[k]["count"] +"</td></tr>";
firstitem = 0;
}
HTML += "</table></div></div><p class=\"chartmore\"><span>for me</span><span class=\"li\"><a href=\"/user/"+escape2(username)+"/charts/&charttype=overall&subtype=track\">More top tracks...</a></span></p>";
mychart.innerHTML = HTML;
}
function fixHTML(html) {
var re = /<table [^>]+>(.|\n)+<\/table>/;
var matches = re.exec(html);
if (matches == null) {
return 0;
} else {
return matches[0];
}
}
(function() {
if (!location.href.match(/^http\:\/\/www\.last\.fm\/music\/([^\/]+)[\/]*$/, "i")) {
return;
}
var usernameLink = xpath("//span");
if (usernameLink.snapshotLength > 0) {
var username = usernameLink.snapshotItem(0).innerHTML;
} else {
return;
}
var artistHTML = xpath("//div[@id='LastHeadline']/h1");
if (artistHTML.snapshotLength > 0) {
var artist = artistHTML.snapshotItem(0).firstChild.innerHTML;
} else {
return;
}
var usedCache = 0;
if (cacheTimeout > 0) {
var cacheTimestamp = GM_getValue("mytoptracks_"+username+"_timestamp", 0);
var d = new Date();
var currentTimestamp = Math.ceil(d.getTime() / 60000);
if (currentTimestamp - cacheTimestamp <= cacheTimeout) {
var cacheValue = GM_getValue("mytoptracks_"+username+"_xml", 0);
if (cacheValue) {
var xml = new XML(cacheValue);
doChart(xml, username, artist);
usedCache = 1;
}
}
}
if (!usedCache) {
GM_xmlhttpRequest({
method: "GET",
url: "http://www.last.fm/user/" + escape2(username) + "/charts/?charttype=overall&subtype=track",
onload: function(responseDetails) {
var xmlText = fixHTML(responseDetails["responseText"]).replace(/\ /ig, '');
var regexp = /\s&\s/g;
xmlText = xmlText.replace(regexp, "foo");
regexp = /(<td[^>]*class="subject")[^>]*>/g;
xmlText = xmlText.replace(regexp, "$1>");
if (!xmlText) {
return;
}
if (cacheTimeout > 0) {
var d = new Date();
var currentTimestamp = Math.ceil(d.getTime() / 60000);
GM_setValue("mytoptracks_"+username+"_timestamp", currentTimestamp);
GM_setValue("mytoptracks_"+username+"_xml", xmlText);
}
var xml = new XML(xmlText);
doChart(xml, username, artist);
}
});
}
})();
