There are 11 previous versions of this script.
// ==UserScript==
// @name Last.fm Integration
// @namespace shoecream@luelinks.net
// @description Integrates Last.fm "Last Played" information into posts. Requires Firefox 3.
// @include http://boards.endoftheinter.net/showmessages.php*
// @include http://links.endoftheinter.net/linkme.php*
// @include http://www.endoftheinter.net/editprofile.php*
// @include http://endoftheinter.net/editprofile.php*
// @include https://boards.endoftheinter.net/showmessages.php*
// @include https://links.endoftheinter.net/linkme.php*
// @include https://www.endoftheinter.net/editprofile.php*
// @include https://endoftheinter.net/editprofile.php*
// @version 11
// @changes Workaround what appears to be a FF4 nsDOMImplementation::CreateDocument change
// ==/UserScript==
var Update = {};
Update.id = 43213;
Update.curVersion = 11;
Update.callback = function () {
if (Update.keys.version > Update.curVersion) {
var upd = document.getElementById('lastfm-update');
if (!upd) {
UI.setMsg('Filler message for updating')
upd = document.getElementById('lastfm-update');
}
upd.style.display = 'inline';
upd.title = Update.keys.changes;
}
};
Update.check = function () {
if (!Update.id) { return; }
if (!Update.curVersion) { return; }
if (Update.keys && Update.keys['version']) { Update.callback(); }
var url = 'http://userscripts.org/scripts/source/'+Update.id+'.meta.js';
XHR.get(url, Update.onXHR);
}
Update.onXHR = function (response) {
var splat = response.responseText.split(/[\r\n]/);
var keys = {};
for (i in splat) {
if (!splat[i]) continue;
var matches = splat[i].match(/@([\w:]+)\s+(.+)/);
if (!matches) continue;
keys[matches[1]] = matches[2];
}
// set update keys
Update.keys = keys;
if (keys['version'] && (keys['version'] != Update.curVersion)) {
Update.callback();
}
}
var XHR = {};
XHR.createDoc = function (r, callback) {
var doc = document.implementation.createDocument('','',null);
var html = document.createElement('html');
html.innerHTML = r.responseText;
doc.appendChild(html);
r.doc = doc;
callback(r);
}
XHR.get = function (url, callback) {
GM_xmlhttpRequest({
method: 'GET',
url: url,
headers: {
'User-Agent': navigator.userAgent,
'Content-Type': 'application/x-www-form-urlencoded',
},
onload: function (r) { XHR.createDoc(r, callback) }
});
}
XHR.createQueryString = function (obj) {
var ret = [];
for (var i in obj) {
ret.push([i, encodeURIComponent(obj[i])].join('='));
}
return ret.join('&');
}
var Prefs = {};
Prefs.freeze = function (key, obj) {
GM_setValue(key, obj.toSource())
}
Prefs.thaw = function (key) {
var obj = GM_getValue(key);
// lol eval is dangerous xmfd
return eval(obj);
}
// crockford
String.prototype.supplant = function (o) {
return this.replace(/{([^{}]*)}/g,
function (a, b) {
var r = o[b];
return typeof r === 'string' || typeof r === 'number' ? r : a;
}
);
};
function find_parent (dom, callback) {
if (typeof callback != 'function') throw new TypeError();
do {
if (callback(dom.parentNode)) {
return dom.parentNode;
}
} while (dom = dom.parentNode);
return;
}
function find_children (dom, callback) {
if (typeof callback != 'function') throw new TypeError();
var stack = [];
var children = dom.childNodes;
for (var i = 0; i < children.length; i++) {
if (callback(children[i]))
stack.push(children[i]);
if (children[i].hasChildNodes()) {
var newstack = find_children(children[i], callback);
if (newstack.length) {
// flatten the array
for (var j = 0; j < newstack.length; j++) {
stack.push(newstack[j]);
}
}
}
}
return stack;
}
var nicetime = (function () {
// make a closure to show off my prowess at programming
var periods = [
{name: 'millisecond', interval: 1000}, // 1000 ms in a second, etc
{name: 'second', interval: 60},
{name: 'minute', interval: 60},
{name: 'hour', interval: 24},
{name: 'day', interval: 7},
{name: 'week', interval: 4.35},
{name: 'month', interval: 12},
{name: 'year', interval: 10},
{name: 'decade', interval: Infinity}
];
return function (time) {
var now = new Date();
var time = new Date(time);
if (!time) return 'invalid date';
if (now == time) {
return 'just now';
} else if (now > time) {
var tense = 'ago';
} else {
var tense = 'from now';
}
var difference = Math.abs(now - time);
for (var i = 0; i < periods.length; i++) {
difference /= periods[i].interval;
if (difference < periods[i + 1].interval) break;
}
difference = Math.round(difference);
return [difference, periods[i + 1].name + (difference != 1 ? 's' : ''), tense].join(' ');
}
})();
function trim(str) {
return str.replace(/^\s+|\s+$/g, "");
}
// from MDC
if (!Array.prototype.map){
Array.prototype.map = function(fun /*, thisp*/) {
var len = this.length >>> 0;
if (typeof fun != "function")
throw new TypeError();
var res = new Array(len);
var thisp = arguments[1];
for (var i = 0; i < len; i++) {
if (i in this)
res[i] = fun.call(thisp, this[i], i, this);
}
return res;
};
}
var LastFM = new function () {
var me = this; // because I don't know how 'this' works
me.artist = '';
me.track = '';
me.time = '';
var enabled = false;
var updating = false;
var lastupdate = 0; // dates are objects but compared as integers
var timer = 0; // timers are integers
var nameregex = /^[a-z][_a-z0-9\-]{1,14}$/i;
var urlregex = /http:\/\/www\.last\.fm\/user\/([a-zA-Z][_A-Za-z0-9\-]{1,14})\/?/;
function getUrl(usr) {
if (!usr) {
usr = getUsername();
if (!usr)
return;
}
return 'http://www.last.fm/user/' + usr;
}
function getFeedUrl(usr) {
if (!usr) {
usr = getUsername();
if (!usr)
return;
}
var root = 'http://ws.audioscrobbler.com/2.0/?';
var obj = {
api_key: 'addb8c198ad0dbd0380d5d42cdfdda02',
method: 'user.getrecenttracks',
limit: 1,
user: usr,
cachebust: Date.now() // non standard
}
return root + XHR.createQueryString(obj);
}
var getUsername = function getUsername() {
var matched = Page.message.defaultValue.match(urlregex);
if (matched && matched[1]) {
return matched[1];
}
return;
}
function canUpdate() {
// tells us if we can update or not.
if (!enabled) return false;
if (updating) return false;
if (!getUsername()) {
UI.setMsg('No Last.fm URL detected.');
return false;
}
if (new Date() - lastupdate > 1000 * 60 * 2) { // 2 minutes
return true;
}
return false;
}
function update (skipcheck) {
if (skipcheck || canUpdate()) {
updating = true;
UI.setMsg('Updating...');
XHR.get(getFeedUrl(), updateCB);
Update.check();
} else {
}
}
// alias this because i'm too lazy to change code
this.update = update;
function format() {
var format = Prefs.thaw('lastfm-format');
if (!format) format = '{artist} - {track} ({time})';
if (Page.message.defaultValue.split('\n').length - 1 > 2) {
// 2 line sig
format = format.replace(/\\n/g, ' ');
} else {
format = format.replace('\\n', '\n');
format = format.replace(/\\n/g, ' ');
}
var link = getUrl().match(/http:\/\/(.*)/)[1];
return format.supplant({
artist: me.artist,
track: me.track,
time: me.time,
link: link
});
}
function updateCB(r) {
lastupdate = new Date();
updating = false;
var lfm = r.doc.getElementsByTagName('lfm')[0];
if (lfm.getAttribute('status') === 'ok') {
me.artist = lfm.getElementsByTagName('artist')[0].textContent;
me.track = lfm.getElementsByTagName('name')[0].textContent;
var track = lfm.getElementsByTagName('track')[0];
if (track.getAttribute('nowplaying') === 'true') {
me.time = 'just now';
} else {
var date = lfm.getElementsByTagName('date')[0].getAttribute('uts');
me.time = nicetime(date * 1000); // they use seconds, we use ms
}
UI.setUrl(me.artist, '-', me.track, '(' + me.time + ')');
if (Prefs.thaw('lastfm-format') != '{artist} - {track} ({time})') {
UI.setMsg(getUsername(), '(custom):');
} else {
UI.setMsg(getUsername() + ': ');
}
clearTimeout(timer);
timer = setTimeout(update, 1000 * 60 * 2); // 2 minutes
} else {
var error = lfm.getElementsByTagName('error')[0];
UI.setMsg('Error code', error.getAttribute('code'), error.textContent);
}
}
this.enable = function enable() {
if (/quickpost-expanded/.test(document.getElementsByTagName('body')[0].className)) {
enabled = true;
update();
} else {
enabled = false;
}
};
this.disable = function disable() {
enabled = false;
};
me.rewrite = function rewrite(textbox) {
if (!textbox) textbox = Page.message;
var str = format();
var url = getUrl();
var index = textbox.value.lastIndexOf(url);
if (index < 0) return;
var before = textbox.value.substring(0, index);
var after = textbox.value.substring(index + url.length);
var newtxt = before + str + after;
textbox.readOnly = false;
textbox.value = newtxt;
textbox.readOnly = true;
}
};
var Page = new function() {
var me = this;
me.handleEvent = function (e) {
if (e.target != window) return;
LastFM.enable();
}
me.quickpost = document.getElementsByClassName('quickpost');
if (me.quickpost.length) {
me.quickpost = me.quickpost[0];
me.canvas = me.quickpost.getElementsByClassName('quickpost-canvas')[0];
me.body = me.canvas.getElementsByClassName('quickpost-body')[0];
me.message = me.quickpost.getElementsByTagName('textarea')[0];
window.addEventListener('focus', me, true);
window.addEventListener('blur', me, true);
me.quickpost.addEventListener('click', LastFM.enable, false);
// workaround for http://wiki.greasespot.net/0.7.20080121.0_compatibility
me.message.addEventListener('focus', function (e) {
setTimeout(function () { LastFM.enable() }, 0);
}, false)
} else {
me.quickpost = null;
if (/#lastfm-help/.test(location.hash)) {
var table = document.getElementsByTagName('table')[0];
var sig = find_children(table, function (dom) {
if (dom.nodeName === 'TD' && dom.textContent === 'Signature')
return true;
})[0];
var textbox = sig.parentNode.getElementsByTagName('textarea')[0];
var helpdiv = document.createElement('div');
helpdiv.id = 'lastfm-help';
// GM_getValue instead of Prefs.thaw because this used the old system
var lastuser = GM_getValue('lastfm-user');
if (!lastuser) lastuser = 'example';
helpdiv.innerHTML = 'In your signature, include your Last.fm profile link.<br>For example: <u>http://www.last.fm/user/<b>' + lastuser + '</b></u>';
helpdiv.style.color = 'red';
textbox.parentNode.appendChild(helpdiv);
}
}
}
var UI = new function () {
var me = this;
var ui;
var msg;
var url;
var help;
function createUI() {
if (ui) return;
var span = document.createElement('span');
span.id = 'lastfm-ui';
span.setAttribute('style', 'position: relative; right: -1em');
span.innerHTML = '<b>Last.fm<a id="lastfm-update" href="http://userscripts.org/scripts/source/43213.user.js" style="display:none">(updates available!)</a>:</b> <span id="lastfm-msg"></span> <a id="lastfm-url" onclick="return false"></a> <a id="lastfm-help"></a>';
Page.body.appendChild(span);
ui = span;
msg = document.getElementById('lastfm-msg');
url = document.getElementById('lastfm-url');
help = document.getElementById('lastfm-help');
help.textContent = '(help)';
help.href = '//endoftheinter.net/editprofile.php#lastfm-help';
me.setMsg('Last.fm loading...');
url.href = '#';
url.title = 'Click to set a custom format';
url.addEventListener('click', urlClick, false);
var post = find_children(Page.quickpost, function (dom) {
if (dom.name == 'post' && dom.type == 'submit') return true;
});
if (post[0]) {
registerPostHandlers(post[0]);
}
var preview = find_children(Page.quickpost, function (dom) {
if (dom.name == 'preview' && dom.type == 'submit') return true;
});
if (preview[0]) {
preview[0].addEventListener('click', onPreview, false);
}
}
var onPost = new function() {
var save;
function doPost () {
LastFM.rewrite(Page.message);
LastFM.update(true);
}
this.handleEvent = function onPost_handleEvent (e) {
switch (e.type) {
case 'mousedown':
save = e.target;
break;
case 'mouseup':
if (save == e.target)
doPost();
break;
case 'keypress':
if (e.keyCode == 13 || e.charCode == 32)
doPost();
break;
}
}
};
function onPreview(e) {
function onPreviewInsert(e) {
// preview is made using async-post.php which isn't instant
if (e.target && e.target.className == 'quickpost-buttons') {
document.removeEventListener('DOMNodeInserted', onPreviewInsert, false);
var post = find_children(e.target, function (dom) {
if (dom.value == 'Post Message') return true;
});
registerPostHandlers(post[0]);
}
}
document.addEventListener('DOMNodeInserted', onPreviewInsert, false);
}
function registerPostHandlers(node) {
// Quickpost registers on click. DOM mouse event firing order is
// mousedown - mouseup - click. We need to be a split second faster than
// quickpost so we register on mouseup instead of click
node.addEventListener('mousedown', onPost, false);
node.addEventListener('mouseup', onPost, false);
node.addEventListener('keypress', onPost, false);
}
function urlClick(e) {
e.preventDefault();
var result = prompt("You're setting a custom Last.fm format string. Here are the tokens you can use and example results:\n{artist} - Coldplay\n{track} - Parachutes\n{time} - 2 minutes ago\n{link} - http://www.last.fm/user/example\n\nYou can also include a line break with \\n, as long as your sig is only one line long.\nIf you want to go back to the default, simply leave the text box below blank.", (Prefs.thaw('lastfm-format') || "{artist} - {track} ({time})"));
if (result !== null) {
Prefs.freeze('lastfm-format', (result || "{artist} - {track} ({time})"));
}
}
this.setMsg = function setMsg(/* variadic */) {
var message = Array.prototype.join.call(arguments, ' ');
if (!ui) createUI();
if (!msg) createUI(); // hurr
msg.textContent = message;
}
this.setUrl = function(/* variadic */) {
var message = Array.prototype.join.call(arguments, ' ');
if (!ui) createUI();
if (!url) createUI();
url.textContent = message;
}
}
