93 lines
3 KiB
JavaScript
93 lines
3 KiB
JavaScript
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function createXHR() {
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if (window.XMLHttpRequest) {
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return new XMLHttpRequest();
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} else if (window.ActiveXObject) {
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try {
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return new ActiveXObject("Msxml2.XMLHTTP");
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} catch (e) {
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try {
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return new ActiveXObject("Microsoft.XMLHTTP");
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} catch (e) {}
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}
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}
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return null;
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}
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function getNowListening(username, cb) {
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var xhr = createXHR();
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xhr.onreadystatechange = function() {
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if (xhr.readyState !== 4)
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return;
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var xml = null;
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if(window.DOMParser) {
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var parser = new DOMParser();
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xml = parser.parseFromString(xhr.responseText, 'text/xml');
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} else {
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xml = new ActiveXObject('Microsoft.XMLDOM');
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xml.async = 'false';
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xml.loadXML(xhr.responseText);
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xml = xml.childNodes[1];
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}
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cb(xml.getElementsByTagName('Track')[0]);
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};
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xhr.open('GET', '/np.php?t=' + (new Date().getTime()) + '&u=' + username, true);
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xhr.send();
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}
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function getNodeText(node) {
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if (typeof node.textContent === 'undefined') {
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return node.text;
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} else {
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return node.textContent;
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}
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}
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function setNodeText(node, text) {
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if (typeof node.textContent === 'undefined') {
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node.innerText = text;
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} else {
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node.textContent = text;
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}
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}
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function setNowListening(track) {
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var cover = document.getElementById('music-cover'),
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title = document.getElementById('music-title'),
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artist = document.getElementById('music-artist'),
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header = document.getElementById('music-header'),
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content = document.getElementById('music'),
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coverUrl = getNodeText(track.getElementsByTagName('Medium')[0]);
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if (content.className.indexOf('hidden') >= 0)
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content.className = content.className.replace('hidden', '');
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setNodeText(header, getNodeText(track.getElementsByTagName('IsPlaying')[0]) != '0' ? 'Listening to' : 'Last listened to');
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cover.src = coverUrl.length < 1 ? '//now.flash.moe/resources/no-cover.png' : coverUrl.replace('/64s/', '/100s/').replace('https:', '');
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setNodeText(title, getNodeText(track.getElementsByTagName('Name')[0]));
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title.href = getNodeText(track.getElementsByTagName('Url')[0]);
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setNodeText(artist, getNodeText(track.getElementsByTagName('Name')[1]));
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artist.href = title.href.substring(0, title.href.indexOf('/_/'));
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}
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window.onload = function() {
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var lastFmUsername = '',
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lastFmFind = '//www.last.fm/user/';
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var links = document.getElementsByTagName('a');
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for (var i = 0; i < links.length; i++) {
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var indexOf = links[i].href.indexOf(lastFmFind);
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if(indexOf > -1) {
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lastFmUsername = links[i].href.substring(indexOf + lastFmFind.length);
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break;
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}
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}
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if(lastFmUsername) {
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setInterval(function() { getNowListening(lastFmUsername, function(track) { setNowListening(track); }); }, 60000);
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getNowListening(lastFmUsername, function(track) { setNowListening(track); });
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}
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};
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