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Saavn.js
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Saavn.js
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// ==UserScript==
// @name Saavn Last.fm Scrobbler
// @namespace http://userscripts.org/users/26600
// @description For Saavn: Scrobbling and loving on last.fm.
// @include http://www.saavn.com/*
// @include http://www.saavn.com/
// @version 1.0 (BCS-1.0)
// @license FreeBSD License (see source code). Portions dual-licensed under the MIT (Expat) License and GPLv2.
// ==/UserScript==
/******************************************************************************
Copyright 2010, 2011, 2012 Eric Lin (RetypePassword)
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************
The phpjs function includes code from the php.js project, and has the
following copyright:
More info at: http://phpjs.org
This is version: 3.24
php.js is copyright 2011 Kevin van Zonneveld.
Portions copyright Brett Zamir (http://brett-zamir.me), Kevin van Zonneveld
(http://kevin.vanzonneveld.net), Onno Marsman, Theriault, Michael White
(http://getsprink.com), Waldo Malqui Silva, Paulo Freitas, Jonas Raoni
Soares Silva (http://www.jsfromhell.com), Jack, Philip Peterson, Ates Goral
(http://magnetiq.com), Legaev Andrey, Ratheous, Alex, Martijn Wieringa,
Nate, lmeyrick (https://sourceforge.net/projects/bcmath-js/), Enrique
Gonzalez, Philippe Baumann, Rafa? Kukawski (http://blog.kukawski.pl),
Webtoolkit.info (http://www.webtoolkit.info/), Ole Vrijenhoek, Ash Searle
(http://hexmen.com/blog/), travc, Carlos R. L. Rodrigues
(http://www.jsfromhell.com), Jani Hartikainen, stag019, GeekFG
(http://geekfg.blogspot.com), WebDevHobo (http://webdevhobo.blogspot.com/),
Erkekjetter, pilus, Rafa? Kukawski (http://blog.kukawski.pl/), Johnny Mast
(http://www.phpvrouwen.nl), T.Wild,
http://stackoverflow.com/questions/57803/how-to-convert-decimal-to-hex-in-javascript,
d3x, Michael Grier, Andrea Giammarchi (http://webreflection.blogspot.com),
marrtins, Mailfaker (http://www.weedem.fr/), Steve Hilder, gettimeofday,
mdsjack (http://www.mdsjack.bo.it), felix, majak, Steven Levithan
(http://blog.stevenlevithan.com), Mirek Slugen, Oleg Eremeev, Felix
Geisendoerfer (http://www.debuggable.com/felix), Martin
(http://www.erlenwiese.de/), gorthaur, Lars Fischer, Joris, AJ, Paul Smith,
Tim de Koning (http://www.kingsquare.nl), KELAN, Josh Fraser
(http://onlineaspect.com/2007/06/08/auto-detect-a-time-zone-with-javascript/),
Chris, Marc Palau, Kevin van Zonneveld (http://kevin.vanzonneveld.net/),
Arpad Ray (mailto:arpad@php.net), Breaking Par Consulting Inc
(http://www.breakingpar.com/bkp/home.nsf/0/87256B280015193F87256CFB006C45F7),
Nathan, Karol Kowalski, David, Dreamer, Diplom@t (http://difane.com/), Caio
Ariede (http://caioariede.com), Robin, Imgen Tata (http://www.myipdf.com/),
Pellentesque Malesuada, saulius, Aman Gupta, Sakimori, Tyler Akins
(http://rumkin.com), Thunder.m, Public Domain
(http://www.json.org/json2.js), Michael White, Kankrelune
(http://www.webfaktory.info/), Alfonso Jimenez
(http://www.alfonsojimenez.com), Frank Forte, vlado houba, Marco, Billy,
David James, madipta, noname, sankai, class_exists, Jalal Berrami, ger,
Itsacon (http://www.itsacon.net/), Scott Cariss, nobbler, Arno, Denny
Wardhana, ReverseSyntax, Mateusz "loonquawl" Zalega, Slawomir Kaniecki,
Francois, Fox, mktime, Douglas Crockford (http://javascript.crockford.com),
john (http://www.jd-tech.net), Oskar Larsson Högfeldt
(http://oskar-lh.name/), marc andreu, Nick Kolosov (http://sammy.ru), date,
Marc Jansen, Steve Clay, Olivier Louvignes (http://mg-crea.com/), Soren
Hansen, merabi, Subhasis Deb, josh, T0bsn, Tim Wiel, Brad Touesnard, MeEtc
(http://yass.meetcweb.com), Peter-Paul Koch
(http://www.quirksmode.org/js/beat.html), Pyerre, Jon Hohle, duncan, Bayron
Guevara, Adam Wallner (http://web2.bitbaro.hu/), paulo kuong, Gilbert,
Lincoln Ramsay, Thiago Mata (http://thiagomata.blog.com), Linuxworld,
lmeyrick (https://sourceforge.net/projects/bcmath-js/this.), djmix, Bryan
Elliott, David Randall, Sanjoy Roy, jmweb, Francesco, Stoyan Kyosev
(http://www.svest.org/), J A R, kenneth, T. Wild, Ole Vrijenhoek
(http://www.nervous.nl/), Raphael (Ao RUDLER), Shingo, LH, JB, nord_ua, jd,
JT, Thomas Beaucourt (http://www.webapp.fr), Ozh, XoraX
(http://www.xorax.info), EdorFaus, Eugene Bulkin (http://doubleaw.com/),
Der Simon (http://innerdom.sourceforge.net/), 0m3r, echo is bad,
FremyCompany, stensi, Kristof Coomans (SCK-CEN Belgian Nucleair Research
Centre), Devan Penner-Woelk, Pierre-Luc Paour, Martin Pool, Brant Messenger
(http://www.brantmessenger.com/), Kirk Strobeck, Saulo Vallory, Christoph,
Wagner B. Soares, Artur Tchernychev, Valentina De Rosa, Jason Wong
(http://carrot.org/), Daniel Esteban, strftime, Rick Waldron, Mick@el,
Anton Ongson, Bjorn Roesbeke (http://www.bjornroesbeke.be/), Simon Willison
(http://simonwillison.net), Gabriel Paderni, Philipp Lenssen, Marco van
Oort, Bug?, Blues (http://tech.bluesmoon.info/), Tomasz Wesolowski, rezna,
Eric Nagel, Evertjan Garretsen, Luke Godfrey, Pul, Bobby Drake, uestla,
Alan C, Ulrich, Zahlii, Yves Sucaet, sowberry, Norman "zEh" Fuchs, hitwork,
johnrembo, Brian Tafoya (http://www.premasolutions.com/), Nick Callen,
Steven Levithan (stevenlevithan.com), ejsanders, Scott Baker, Philippe
Jausions (http://pear.php.net/user/jausions), Aidan Lister
(http://aidanlister.com/), Rob, e-mike, HKM, ChaosNo1, metjay, strcasecmp,
strcmp, Taras Bogach, jpfle, Alexander Ermolaev
(http://snippets.dzone.com/user/AlexanderErmolaev), DxGx, kilops, Orlando,
dptr1988, Le Torbi, James (http://www.james-bell.co.uk/), Pedro Tainha
(http://www.pedrotainha.com), James, penutbutterjelly, Arnout Kazemier
(http://www.3rd-Eden.com), 3D-GRAF, daniel airton wermann
(http://wermann.com.br), jakes, Yannoo, FGFEmperor, gabriel paderni, Atli
Þór, Maximusya, Diogo Resende, Rival, Howard Yeend, Allan Jensen
(http://www.winternet.no), davook, Benjamin Lupton, baris ozdil, Greg
Frazier, Manish, Matt Bradley, Cord, fearphage
(http://http/my.opera.com/fearphage/), Matteo, Victor, taith, Tim de
Koning, Ryan W Tenney (http://ryan.10e.us), Tod Gentille, Alexander M
Beedie, Riddler (http://www.frontierwebdev.com/), Luis Salazar
(http://www.freaky-media.com/), Rafa? Kukawski, T.J. Leahy, Luke Smith
(http://lucassmith.name), Kheang Hok Chin (http://www.distantia.ca/),
Russell Walker (http://www.nbill.co.uk/), Jamie Beck
(http://www.terabit.ca/), Garagoth, Andrej Pavlovic, Dino, Le Torbi
(http://www.letorbi.de/), Ben (http://benblume.co.uk/), DtTvB
(http://dt.in.th/2008-09-16.string-length-in-bytes.html), Michael, Chris
McMacken, setcookie, YUI Library:
http://developer.yahoo.com/yui/docs/YAHOO.util.DateLocale.html, Andreas,
Blues at http://hacks.bluesmoon.info/strftime/strftime.js, rem, Josep Sanz
(http://www.ws3.es/), Cagri Ekin, Lorenzo Pisani, incidence, Amirouche, Jay
Klehr, Amir Habibi (http://www.residence-mixte.com/), Tony, booeyOH, meo,
William, Greenseed, Yen-Wei Liu, Ben Bryan, Leslie Hoare, mk.keck
Dual licensed under the MIT (MIT-LICENSE.txt)
and GPL (GPL-LICENSE.txt) licenses.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL KEVIN VAN ZONNEVELD BE LIABLE FOR ANY CLAIM, DAMAGES
OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
******************************************************************************/
var API_KEY = "1080c460dd8769de8b33d059727b50f4"; // Replace the stuff between the quotes with your API key if you'd prefer to use your own.
var PRIV_KEY = ""; // Insert your private key between the quotes if you'd prefer to use your own API key.
// GM emulation for Google Chrome
if (typeof GM_deleteValue == "undefined") {
GM_log = function(message) {
console.log(message); };
GM_log("Setting custom GM functions...");
// Uses http://ericflin.com/scripts/restproxy.php as a proxy for cross-site xhr
GM_xmlhttpRequest = function(args) {
var xhr = new XMLHttpRequest();
if (xhr) {
var data = "u=" + encodeURIComponent(args.url);
if (args.method == "POST") {
data += "&data=" + encodeURIComponent(args.data); }
xhr.open("POST", "http://ericflin.com/scripts/restproxy.php?m=" + args.method, true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.setRequestHeader("Content-Length", data.length);
xhr.setRequestHeader("Connection", "close");
xhr.send(data);
xhr.onreadystatechange = function() {
if(xhr.readyState == 4) {
args.onload(xhr); } };
return xhr; } };
GM_getValue = function(key) {
var value = localStorage.getItem(key);
return JSON.parse(value); };
GM_setValue = function(key, value) {
localStorage.setItem(key, JSON.stringify(value)); }; }
function phpjs() {
this.utf8_encode = function ( argString ) {
// http://kevin.vanzonneveld.net
// + original by: Webtoolkit.info (http://www.webtoolkit.info/)
// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + improved by: sowberry
// + tweaked by: Jack
// + bugfixed by: Onno Marsman
// + improved by: Yves Sucaet
// + bugfixed by: Onno Marsman
// + bugfixed by: Ulrich
// * example 1: utf8_encode('Kevin van Zonneveld');
// * returns 1: 'Kevin van Zonneveld'
var string = (argString+''); // .replace(/\r\n/g, "\n").replace(/\r/g, "\n");
var utftext = "";
var start, end;
var stringl = 0;
start = end = 0;
stringl = string.length;
for (var n = 0; n < stringl; n++) {
var c1 = string.charCodeAt(n);
var enc = null;
if (c1 < 128) {
end++;
} else if (c1 > 127 && c1 < 2048) {
enc = String.fromCharCode((c1 >> 6) | 192) + String.fromCharCode((c1 & 63) | 128);
} else {
enc = String.fromCharCode((c1 >> 12) | 224) + String.fromCharCode(((c1 >> 6) & 63) | 128) + String.fromCharCode((c1 & 63) | 128);
}
if (enc !== null) {
if (end > start) {
utftext += string.substring(start, end);
}
utftext += enc;
start = end = n+1;
}
}
if (end > start) {
utftext += string.substring(start, string.length);
}
return utftext;
};
this.md5 = function (str) {
// http://kevin.vanzonneveld.net
// + original by: Webtoolkit.info (http://www.webtoolkit.info/)
// + namespaced by: Michael White (http://getsprink.com)
// + tweaked by: Jack
// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// + input by: Brett Zamir (http://brett-zamir.me)
// + bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
// - depends on: utf8_encode
// * example 1: md5('Kevin van Zonneveld');
// * returns 1: '6e658d4bfcb59cc13f96c14450ac40b9'
var xl;
var rotateLeft = function (lValue, iShiftBits) {
return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
};
var addUnsigned = function (lX,lY) {
var lX4,lY4,lX8,lY8,lResult;
lX8 = (lX & 0x80000000);
lY8 = (lY & 0x80000000);
lX4 = (lX & 0x40000000);
lY4 = (lY & 0x40000000);
lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
if (lX4 & lY4) {
return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
}
if (lX4 | lY4) {
if (lResult & 0x40000000) {
return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
} else {
return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
}
} else {
return (lResult ^ lX8 ^ lY8);
}
};
var _F = function (x,y,z) { return (x & y) | ((~x) & z); };
var _G = function (x,y,z) { return (x & z) | (y & (~z)); };
var _H = function (x,y,z) { return (x ^ y ^ z); };
var _I = function (x,y,z) { return (y ^ (x | (~z))); };
var _FF = function (a,b,c,d,x,s,ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(_F(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
};
var _GG = function (a,b,c,d,x,s,ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(_G(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
};
var _HH = function (a,b,c,d,x,s,ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(_H(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
};
var _II = function (a,b,c,d,x,s,ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(_I(b, c, d), x), ac));
return addUnsigned(rotateLeft(a, s), b);
};
var convertToWordArray = function (str) {
var lWordCount;
var lMessageLength = str.length;
var lNumberOfWords_temp1=lMessageLength + 8;
var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
var lWordArray=new Array(lNumberOfWords-1);
var lBytePosition = 0;
var lByteCount = 0;
while ( lByteCount < lMessageLength ) {
lWordCount = (lByteCount-(lByteCount % 4))/4;
lBytePosition = (lByteCount % 4)*8;
lWordArray[lWordCount] = (lWordArray[lWordCount] | (str.charCodeAt(lByteCount)<<lBytePosition));
lByteCount++;
}
lWordCount = (lByteCount-(lByteCount % 4))/4;
lBytePosition = (lByteCount % 4)*8;
lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
lWordArray[lNumberOfWords-2] = lMessageLength<<3;
lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
return lWordArray;
};
var wordToHex = function (lValue) {
var wordToHexValue="",wordToHexValue_temp="",lByte,lCount;
for (lCount = 0;lCount<=3;lCount++) {
lByte = (lValue>>>(lCount*8)) & 255;
wordToHexValue_temp = "0" + lByte.toString(16);
wordToHexValue = wordToHexValue + wordToHexValue_temp.substr(wordToHexValue_temp.length-2,2);
}
return wordToHexValue;
};
var x=[],
k,AA,BB,CC,DD,a,b,c,d,
S11=7, S12=12, S13=17, S14=22,
S21=5, S22=9 , S23=14, S24=20,
S31=4, S32=11, S33=16, S34=23,
S41=6, S42=10, S43=15, S44=21;
str = this.utf8_encode(str);
x = convertToWordArray(str);
a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
xl = x.length;
for (k=0;k<xl;k+=16) {
AA=a; BB=b; CC=c; DD=d;
a=_FF(a,b,c,d,x[k+0], S11,0xD76AA478);
d=_FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
c=_FF(c,d,a,b,x[k+2], S13,0x242070DB);
b=_FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
a=_FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
d=_FF(d,a,b,c,x[k+5], S12,0x4787C62A);
c=_FF(c,d,a,b,x[k+6], S13,0xA8304613);
b=_FF(b,c,d,a,x[k+7], S14,0xFD469501);
a=_FF(a,b,c,d,x[k+8], S11,0x698098D8);
d=_FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
c=_FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
b=_FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
a=_FF(a,b,c,d,x[k+12],S11,0x6B901122);
d=_FF(d,a,b,c,x[k+13],S12,0xFD987193);
c=_FF(c,d,a,b,x[k+14],S13,0xA679438E);
b=_FF(b,c,d,a,x[k+15],S14,0x49B40821);
a=_GG(a,b,c,d,x[k+1], S21,0xF61E2562);
d=_GG(d,a,b,c,x[k+6], S22,0xC040B340);
c=_GG(c,d,a,b,x[k+11],S23,0x265E5A51);
b=_GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
a=_GG(a,b,c,d,x[k+5], S21,0xD62F105D);
d=_GG(d,a,b,c,x[k+10],S22,0x2441453);
c=_GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
b=_GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
a=_GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
d=_GG(d,a,b,c,x[k+14],S22,0xC33707D6);
c=_GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
b=_GG(b,c,d,a,x[k+8], S24,0x455A14ED);
a=_GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
d=_GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
c=_GG(c,d,a,b,x[k+7], S23,0x676F02D9);
b=_GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
a=_HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
d=_HH(d,a,b,c,x[k+8], S32,0x8771F681);
c=_HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
b=_HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
a=_HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
d=_HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
c=_HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
b=_HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
a=_HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
d=_HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
c=_HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
b=_HH(b,c,d,a,x[k+6], S34,0x4881D05);
a=_HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
d=_HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
c=_HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
b=_HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
a=_II(a,b,c,d,x[k+0], S41,0xF4292244);
d=_II(d,a,b,c,x[k+7], S42,0x432AFF97);
c=_II(c,d,a,b,x[k+14],S43,0xAB9423A7);
b=_II(b,c,d,a,x[k+5], S44,0xFC93A039);
a=_II(a,b,c,d,x[k+12],S41,0x655B59C3);
d=_II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
c=_II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
b=_II(b,c,d,a,x[k+1], S44,0x85845DD1);
a=_II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
d=_II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
c=_II(c,d,a,b,x[k+6], S43,0xA3014314);
b=_II(b,c,d,a,x[k+13],S44,0x4E0811A1);
a=_II(a,b,c,d,x[k+4], S41,0xF7537E82);
d=_II(d,a,b,c,x[k+11],S42,0xBD3AF235);
c=_II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
b=_II(b,c,d,a,x[k+9], S44,0xEB86D391);
a=addUnsigned(a,AA);
b=addUnsigned(b,BB);
c=addUnsigned(c,CC);
d=addUnsigned(d,DD);
}
var temp = wordToHex(a)+wordToHex(b)+wordToHex(c)+wordToHex(d);
return temp.toLowerCase();
}; }
/* Parameters:
loveBtnParent: The parent element in which to create the love button.
lastfmBtnParent: The parent element in which to create the last.fm button.
saa: A function that invokes invoke([song, artist, album], songDuration, timeElapsed) with data. */
function lastfm(loveBtnParent, lastfmBtnParent, SAAHandler) {
this.mdk = false;
// Private Variables
var my = this;
var auth = false;
var odat = ["", "", ""];
var ndat;
var sKey;
var uName;
var tTimer;
var tried; // last action tried before a potential failure (scrobble or nowPlaying)
var failedScrobs = new Array(); // array of failed scrobbles.
var correctedDat = new Array();
var nPlaying = "";
var titleAppend = "";
var lPElapsed = 0;
var loved = false;
var lovebtn;
var interceptFav = 0;
var loveBtnModder = function(button) { return ""; };
var lastfmBtnModder = function(button) { return ""; };
var removeLastfmBtn = function(buttonText) {
lastfmBtnParent.removeChild(buttonText.parentNode); };
var saa = SAAHandler;
// Forces invoke to re-do nowPlaying and, if applicable, scrobble (resets
// the now playing variable so it thinks nothing's playing).
this.forceDataReset = function() {
nPlaying = "";
odat = ["", "", ""]; }
this.setLoveButtonModder = function(modder) {
loveBtnModder = modder; };
this.setLastfmButtonModder = function(modder) {
lastfmBtnModder = modder; };
this.setLastfmButtonDeleter = function(deleter) {
removeLastfmBtn = deleter; };
// A function that invokes invoke([song, artist, album], songDuration, timeElapsed) with data
this.setSAA = function(newSAA) {
saa = newSAA; };
// Converts a time like 03:45 to seconds (e.g., 225).
this.convertTimeToSec = function(convtime) {
if (convtime) {
return (parseInt(convtime.substring(0, convtime.indexOf(":")), 10) * 60) + parseInt(convtime.substring(convtime.indexOf(":") + 1), 10); }
else {
return 0; } };
this.makeUI = function(action, parent, text, modder) {
// Check that the parent element exists
if (parent) {
// Make an <a> element that executes the action when clicked
var linky = document.createElement("a");
linky.href = "#"
linky.addEventListener("click", action, false);
// Make the text and add to link
var node = document.createTextNode(text);
linky.appendChild(node);
// Put the a in the parent.
parent.appendChild(linky);
// Mod the a
modder(linky);
return node; }
return false; };
makeLove = function(action, text) {
return my.makeUI(action, loveBtnParent, text, loveBtnModder); };
makeLfm = function(action, text) {
return my.makeUI(action, lastfmBtnParent, text, lastfmBtnModder); };
// Runs the scrobbler function, runs the nowplaying function, or does nothing, depending
// on the situation. This function MUST be invoked by a handler in the class using the
// lastfm scrobbler in order for the whole thing to work.
// If totaltsec is false, invoke automatically scrobbles after the song has played for 30 seconds,
// and does not send duration data to the nowPlaying handler.
this.invoke = function(songdata, totaltsec, pelapsedInSec) {
ndat = songdata;
//easyfind
// console.log("lets see ndat"+ndat[0]+""+ndat[1]+""+ndat[2]);
var time = new Date();
var t = Math.round(parseInt(time.getTime()/1000));
if (totaltsec !== false) {
var frac = pelapsedInSec / totaltsec; }
else if (pelapsedInSec > 122) {
var frac = pelapsedInSec / 240; }
var start = t - pelapsedInSec;
if (auth === true && this.mdk === false) {
if (lPElapsed == pelapsedInSec || typeof ndat[0] == "undefined") {
lPElapsed = pelapsedInSec;
document.title = "Stopped/Paused";
lovebtn.nodeValue = "No Song Playing";
setTimeout(saa, 2000); }
else if ((totaltsec === false || totaltsec > 30) && (frac >= 0.5 || pelapsedInSec >= 240) && ndat[0] != odat[0] && typeof ndat[0] != "undefined") {
var scrobbledat = "track[0]=" + encodeURIComponent(ndat[0]) + "×tamp[0]=" + start + "&artist[0]=" + encodeURIComponent(ndat[1]) + "&album[0]=" + encodeURIComponent(ndat[2]) + "&api_key=" + API_KEY + "&sk=" + sKey;
dofunc(["track[0]" + ndat[0], "timestamp[0]" + start, "artist[0]" + ndat[1], "album[0]" + ndat[2], "api_key" + API_KEY, "sk" + sKey], "track.scrobble", "doScrobble", scrobbledat);
checkRunning("scrobble", start);
console.log("culprit fail 0");
if (failedScrobs.length > 0) {
ndat.push(start);
failedScrobs.push(ndat);
doFailedScrobs(failedScrobs);
checkRunning("tryScrobs", start);
console.log("culprit fail 1");
}
else if (ndat[2] && ndat[0]!=odat[0]) {
scrobbledat = "track[0]=" + encodeURIComponent(ndat[0]) + "×tamp[0]=" + start + "&artist[0]=" + encodeURIComponent(ndat[1]) + "&album[0]=" + encodeURIComponent(ndat[2]) + "&api_key=" + API_KEY + "&sk=" + sKey;
dofunc(["track[0]" + ndat[0], "timestamp[0]" + start, "artist[0]" + ndat[1], "album[0]" + ndat[2], "api_key" + API_KEY, "sk" + sKey], "track.scrobble", "doScrobble", scrobbledat);
checkRunning("scrobble", start);
console.log("culprit fail 2");
}
else if( ndat[0]!=odat[0]){
scrobbledat = "track[0]=" + encodeURIComponent(ndat[0]) + "×tamp[0]=" + start + "&artist[0]=" + encodeURIComponent(ndat[1]) + "&api_key=" + API_KEY + "&sk=" + sKey;
dofunc(["track[0]" + ndat[0], "timestamp[0]" + start, "artist[0]" + ndat[1], "api_key" + API_KEY, "sk" + sKey], "track.scrobble", "doScrobble", scrobbledat);
console.log("culprit fail 3");
checkRunning("scrobble", start); }
lPElapsed = pelapsedInSec; }
else if ((totaltsec === false || totaltsec > 30) && ndat[0] != odat[0] && typeof ndat[0] != "undefined" && nPlaying != ndat[0] && pelapsedInSec > 0) {
var scrobbledat = "track=" + encodeURIComponent(ndat[0]) + "&artist=" + encodeURIComponent(ndat[1]) + "&api_key=" + API_KEY + "&sk=" + sKey;
if (totaltsec !== false) {
scrobbledat += "&duration=" + totaltsec; }
lPElapsed = pelapsedInSec;
nPlayingArray = ["track" + ndat[0], "artist" + ndat[1], "api_key" + API_KEY, "sk" + sKey];
if (totaltsec !== false) {
nPlayingArray.push("duration" + totaltsec); }
dofunc(nPlayingArray, "track.updateNowPlaying", "doNowPlaying", scrobbledat);
checkRunning("nowPlaying", start); }
else if (ndat[0] == odat[0] && frac < 0.5 && pelapsedInSec < 240) {
my.forceDataReset();
setTimeout(saa, 2000); }
else {
if (document.title == "Stopped/Paused") {
lovebtn.nodeValue = loved ? "Unlove Song" : "Love Song"; }
lPElapsed = pelapsedInSec;
document.title = ndat[0] + " by " + ndat[1] + titleAppend;
setTimeout(saa, 2000); } }
else {
if (lPElapsed == pelapsedInSec || typeof ndat[0] == "undefined") {
lPElapsed = pelapsedInSec;
document.title = "Stopped/Paused"; }
else {
lPElapsed = pelapsedInSec;
document.title = ndat[0] + " by " + ndat[1]; }
setTimeout(saa, 2000); } };
// Private Methods
var love = function(e) {
e.preventDefault();
if (lovebtn.nodeValue != "No Song Playing" && lovebtn.nodeValue != "Sending Request..." && auth === true) {
var lovedat = new Array();
lovedat[0] = "track=" + encodeURIComponent(correctedDat[0]) + "&artist=" + encodeURIComponent(correctedDat[1]) + "&api_key=" + API_KEY + "&sk=" + sKey;
lovedat[1] = loved ? "track.unlove" : "track.love";
lovedat[2] = correctedDat[0];
lovedat[3] = correctedDat[1];
lovebtn.nodeValue = "Sending Request...";
dofunc(["track" + correctedDat[0], "artist" + correctedDat[1], "api_key" + API_KEY, "sk" + sKey], lovedat[1], "sendLove", lovedat); } };
var sendLove = function(lovedat) {
GM_xmlhttpRequest({
method: "POST",
url: "http://ws.audioscrobbler.com/2.0/?method=" + lovedat[1],
headers: {
"User-agent": "Mozilla/4.0 (compatible) Greasemonkey",
"Accept": "application/atom+xml,application/xml,text/xml",
"Content-Length": lovedat[0].length,
"Content-Type": "application/x-www-form-urlencoded" },
data: lovedat[0],
onload: function(response) {
GM_log(response.responseText);
if (lovedat[1] == "track.love") {
if (lovedat[2] == correctedDat[0] || lovedat[2] == ndat[0]) {
loved = true;
lovebtn.nodeValue = "Unlove Song";
titleAppend += " (\u2665)";
document.title += " (\u2665)"; }
GM_log("Loved " + lovedat[2] + " by " + lovedat[3]); }
else if (lovedat[1] == "track.unlove" && (lovedat[2] == correctedDat[0] || lovedat[2] == ndat[0]) && odat[0] == ndat[0]) {
lovebtn.nodeValue = "Love Song";
loved = false;
titleAppend = "+";
GM_log("Unloved " + ndat[0] + " by " + ndat[1]); }
else if (lovedat[1] == "track.unlove" && lovedat[2] != correctedDat[0] && lovedat[2] != ndat[0]) {
GM_log("Unloved " + lovedat[2] + " by " + lovedat[3]); }
else {
lovebtn.nodeValue = "Love Song";
loved = false;
titleAppend = "";
GM_log("Unloved " + ndat[0] + " by " + ndat[1]); } } } ); };
var doNowPlaying = function(scrobbledat) {
tried = GM_xmlhttpRequest({
method: "POST",
url: "http://ws.audioscrobbler.com/2.0/?method=track.updateNowPlaying",
headers: {
"User-agent": "Mozilla/4.0 (compatible) Greasemonkey",
"Accept": "application/atom+xml,application/xml,text/xml",
"Content-Length": scrobbledat.length,
"Content-Type": "application/x-www-form-urlencoded" },
data: scrobbledat,
onload: function(response) {
nPlaying = ndat[0];
GM_log(response.responseText);
document.title = ndat[0] + " by " + ndat[1];
titleAppend = "";
var time = new Date();
var t = Math.round(parseInt(time.getTime()/1000));
GM_xmlhttpRequest({
method: "GET",
// Timestamp isn't actually one of the parameters. It's just used here to force firefox not to use the cache.
url: "http://ws.audioscrobbler.com/2.0/?method=track.getinfo&artist=" + encodeURIComponent(ndat[1]) + "&track=" + encodeURIComponent(ndat[0]) + "&username=" + uName + "&api_key=" + API_KEY + "×tamp=" + t,
onload: function(response) {
var parser = new DOMParser();
trackinfo = parser.parseFromString(response.responseText, "text/xml");
// This if line is required for songs that have never been scrobbled to last.fm before.
if (trackinfo.getElementsByTagName("name")[0] && trackinfo.getElementsByTagName("name")[1]) {
correctedDat[0] = trackinfo.getElementsByTagName("name")[0].childNodes[0].nodeValue;
correctedDat[1] = trackinfo.getElementsByTagName("name")[1].childNodes[0].nodeValue;
if (trackinfo.getElementsByTagName("userloved")[0].childNodes[0].nodeValue == 1) {
lovebtn.nodeValue = "Unlove Song";
loved = true;
titleAppend = " (\u2665)";
document.title += " (\u2665)"; }
else {
lovebtn.nodeValue = "Love Song";
loved = false; } }
else {
correctedDat[0] = ndat[0];
correctedDat[1] = ndat[1];
lovebtn.nodeValue = "Love Song";
loved = false; } } } ); } } ); };
var doFailedScrobs = function(scrobblae) {
var datArr = new Array();
var scrobbledat = "";
for (i in scrobblae) {
datArr.push("track[" + i + "]" + failedScrobs[i][0]);
datArr.push("timestamp[" + i + "]" + failedScrobs[i][3]);
datArr.push("artist[" + i + "]" + failedScrobs[i][1]);
if (failedScrobs[i][2]) {
datArr.push("album[" + i + "]" + failedScrobs[i][2]); }
scrobbledat = scrobbledat + "track[" + i + "]=" + encodeURIComponent(failedScrobs[i][0]) +
"×tamp[" + i + "]=" + failedScrobs[i][3] +
"&artist[" + i + "]=" + encodeURIComponent(failedScrobs[i][1]);
if (failedScrobs[i][2]) {
scrobbledat = scrobbledat + "&album[" + i + "]=" + encodeURIComponent(failedScrobs[i][2]); }
scrobbledat = scrobbledat + "&"; }
scrobbledat = scrobbledat + "api_key=" + API_KEY + "&sk=" + sKey;
datArr.push("api_key" + API_KEY);
datArr.push("sk" + sKey);
dofunc(datArr, "track.scrobble", "failedScrobbles", scrobbledat); };
var doScrobble = function(scrobbledat, failed) {
tried = GM_xmlhttpRequest({
method: "POST",
url: "http://ws.audioscrobbler.com/2.0/?method=track.scrobble",
headers: {
"User-agent": "Mozilla/4.0 (compatible) Greasemonkey",
"Accept": "application/atom+xml,application/xml,text/xml",
"Content-Length": scrobbledat.length,
"Content-Type": "application/x-www-form-urlencoded" },
data: scrobbledat,
onload: function(response) {
var parser = new DOMParser();
responseInfo = parser.parseFromString(response.responseText, "text/xml");
// If the scrobble failed (i.e., lfm status is not "ok"), don't do anything. CheckRunning will
// log this as a failed scrobble and re-try it later.
if (responseInfo.getElementsByTagName("lfm")[0].attributes.getNamedItem("status").value == "ok") {
if (failed) {
GM_log("Re-Trying Failed Scrobbles: " + response.responseText);
failedScrobs = new Array();
GM_setValue("failedScrobs", ""); }
else {
titleAppend = "+" + titleAppend;
document.title = ndat[0] + " by " + ndat[1] + titleAppend;
GM_log(response.responseText);
odat = ndat; } }
else {
GM_log(response.responseText); } } } ); };
var checkRunning = function(action, start) {
doCheckRunning = function(iter) {
if ((action == "scrobble" && ndat[0] == odat[0]) || (action == "nowPlaying" && nPlaying == ndat[0]) ||
(action == "failedScrobs" && failedScrobs.length == 0) || (action == "tryScrobs" && failedScrobs.length == 0)) {
if (action == "tryScrobs") {
titleAppend = "+" + titleAppend;
document.title = ndat[0] + " by " + ndat[1] + titleAppend;
odat = ndat; }
if (iter >= 2) {
saa(); }
else {
setTimeout(saa, 2000); } }
else if (action == "scrobble" && ndat[0] != odat[0] && iter >= 8) {
tried.abort();
// The XMLHttpRequest abort() method runs onreadystatechange() if the request state was
// either LOADING, HEADERS_RECEIVED, or OPENED. If it's OPENED, send()'s flag has to be true.
// It's probably safe to assume that for most of the time, if onreadystatechange() ran,
// last.fm got the scrobble.
if (ndat[0] != odat[0]) {
ndat.push(start);
failedScrobs.push(ndat);
GM_setValue("failedScrobs", JSON.stringify(failedScrobs));
titleAppend = "-" + titleAppend;
document.title = ndat[0] + " by " + ndat[1] + titleAppend;
odat = ndat; }
saa(); }
else if (action == "nowPlaying" && nPlaying != ndat[0] && iter >= 8) {
tried.abort();
nPlaying = ndat[0];
document.title = ndat[0] + " by " + ndat[1];
titleAppend = "";
lovebtn.nodeValue = "Last.fm Down";
saa(); }
else if ((action == "failedScrobs" || action == "tryScrobs") && failedScrobs.length != 0 && iter >= 8) {
tried.abort();
GM_setValue("failedScrobs", JSON.stringify(failedScrobs));
if (nPlaying == ndat[0]) {
odat = ndat; }
saa(); }
else {
setTimeout(function() { doCheckRunning(iter + 1); }, 1000); } };
doCheckRunning(0); };
var lfmTempOff = function(e) {
auth = false;
removeLastfmBtn(this.childNodes[0]);
var turnOnLfm = function(e) {
auth = true;
removeLastfmBtn(this.childNodes[0]);
makeLfm(lfmTempOff, "D"); };
lovebtn.nodeValue = "Last.fm: Disabled";
nPlaying = "";
odat = ["", "", ""];
var lfmbtn = makeLfm(turnOnLfm, "Enable Scrobbling"); };
var getsess = function(initTok, apisig) {
var sessKey;
var name;
GM_xmlhttpRequest({
method: "GET",
url: "http://ws.audioscrobbler.com/2.0/?method=auth.getsession&api_key=" + API_KEY + "&token=" + initTok + "&api_sig=" + apisig,
onload: function(xhr) {
var parser = new DOMParser();
xmlized = parser.parseFromString(xhr.responseText, "text/xml");
var rlfm = xmlized.getElementsByTagName("lfm")[0];
if (rlfm.attributes.getNamedItem("status").value == "ok") {
var keyPar = xmlized.getElementsByTagName("key")[0];
sessKey = keyPar.childNodes[0].nodeValue;
GM_setValue("sessKey", sessKey);
sKey = sessKey;
var namePar = xmlized.getElementsByTagName("name")[0];
name = namePar.childNodes[0].nodeValue;
GM_setValue("username", name);
uName = name; } } }); };
var dogetsess = function(tok, enablelfmbtn) {
dofunc(["api_key" + API_KEY, "token" + tok], "auth.getsession", "getsess", tok);
if (typeof sKey == "undefined" || typeof uName == "undefined" || sKey == null ||
uName == null || sKey == false || uName == false) {
setTimeout(function() { dogetsess(tok, enablelfmbtn); }, 2000); }
else {
removeLastfmBtn(enablelfmbtn);
lovebtn.nodeValue = "No Song Playing";
makeLfm(lfmTempOff, "Disable Scrobbling");
auth = true; } };
var gettok = function(apisig, enablelfmbtn) {
var tok;
GM_xmlhttpRequest({
method: "GET",
url: "http://ws.audioscrobbler.com/2.0/?method=auth.gettoken&api_key=" + API_KEY + "&api_sig=" + apisig,
onload: function(response) {
var temptoken = response.responseText;
parser = new DOMParser();
tokenXML = parser.parseFromString(temptoken, "text/xml");
tokenPar = tokenXML.getElementsByTagName("token")[0];
tok = tokenPar.childNodes[0].nodeValue;
enablelfmbtn.parentNode.href = "http://www.last.fm/api/auth/?api_key=" + API_KEY + "&token=" + tok;
enablelfmbtn.parentNode.target = "_blank";
enablelfmbtn.nodeValue = "Enable Scrobbling"
enablelfmbtn.parentNode.addEventListener("click", function() { dogetsess(tok, enablelfmbtn); }, false);
} }); };
var dorun = function(apisig, run, arg) {
if (run == "doScrobble") {
doScrobble(arg + "&api_sig=" + apisig, false); }
else if (run == "failedScrobbles") {
doScrobble(arg + "&api_sig=" + apisig, true); }
else if (run == "doNowPlaying") {
doNowPlaying(arg + "&api_sig=" + apisig); }
else if (run == "sendLove") {
arg[0] = arg[0] + "&api_sig=" + apisig;
sendLove(arg); }
else if (run == "gettok") {
gettok(apisig, arg); }
else if (run == "getsess") {
getsess(arg, apisig); } };
var dofunc = function(params, func, run, arg) {
if (auth === true || run == "gettok" || run == "getsess") {
params.push("method" + func);
params.sort();
if (PRIV_KEY == "") {
var allpars = "params=" + encodeURIComponent(params.join(""));
GM_xmlhttpRequest({
method: "POST",
url: "http://ericflin.com/scripts/api_sig.php",
headers: {
"User-agent": "Mozilla/4.0 (compatible) Greasemonkey",
"Accept": "application/atom+xml,application/xml,text/xml",
"Content-Length": allpars.length,
"Content-Type": "application/x-www-form-urlencoded" },
data: allpars,
onload: function(response) {
dorun(response.responseText, run, arg); } } ); }
else {
md5er = new phpjs();
var apisig = md5er.md5(params.join("") + PRIV_KEY);
dorun(apisig, run, arg); } } };
this.run = function() {
sKey = GM_getValue("sessKey");
uName = GM_getValue("username");
tFailedScrobs = GM_getValue("failedScrobs");
if(typeof sKey == "undefined" || typeof uName == "undefined" ||
sKey == null || uName == null || sKey == false || uName == false) {
auth = false;
var turnOnLfm = function(e) {
// Change button text.
this.childNodes[0].nodeValue = "Loading..."; };
lovebtn = makeLove(love, "Last.fm: Disabled");
var lfmbtn = makeLfm(turnOnLfm, "Waiting for Token...");
dofunc(["api_key" + API_KEY], "auth.gettoken", "gettok", lfmbtn);
saa(); }
else {
auth = true;
if (typeof tFailedScrobs != "undefined" && tFailedScrobs != null && tFailedScrobs != false && tFailedScrobs != "") {
failedScrobs = JSON.parse(tFailedScrobs);
var datArr = new Array();
var scrobbledat = "";
for (i in failedScrobs) {
datArr.push("track[" + i + "]" + failedScrobs[i][0]);
datArr.push("timestamp[" + i + "]" + failedScrobs[i][3]);
datArr.push("artist[" + i + "]" + failedScrobs[i][1]);
if (failedScrobs[i][2]) {
datArr.push("album[" + i + "]" + failedScrobs[i][2]); }
scrobbledat = scrobbledat + "track[" + i + "]=" + encodeURIComponent(failedScrobs[i][0]) +
"×tamp[" + i + "]=" + failedScrobs[i][3] +
"&artist[" + i + "]=" + encodeURIComponent(failedScrobs[i][1]);
if (failedScrobs[i][2]) {
scrobbledat = scrobbledat + "&album[" + i + "]=" + encodeURIComponent(failedScrobs[i][2]); }
scrobbledat = scrobbledat + "&"; }
scrobbledat = scrobbledat + "api_key=" + API_KEY + "&sk=" + sKey;
datArr.push("api_key" + API_KEY);
datArr.push("sk" + sKey);
dofunc(datArr, "track.scrobble", "failedScrobbles", scrobbledat); }
lovebtn = makeLove(love, "No Song Playing");
makeLfm(lfmTempOff, "Disable Scrobbling");
saa(); } }; }
lastfm.prototype.killScrobbler = function() {
this.mdk = true;
return "Killed last.fm scrobbler instance"; };
function saavn() {
this.lfm = new Object(); /* Last.fm object */
this.buttonParent = new Object(); /* Button parent */
// A little hack to get it to scrobble even without the track's length (e.g., for real radio stations)
this.lastSongTime = 0;
this.lastSong = "";
this.song = document.createElement("span");
this.song.id = "spaghetti";
this.artist = document.createElement("span");
this.artist.id = "thecook";
this.album = document.createElement("span");
this.album.id = "noodles";
this.oldsong = document.createElement("span");
this.oldsong.id = "tempsong";
document.body.appendChild(this.song);
document.body.appendChild(this.artist);
document.body.appendChild(this.album);
document.body.appendChild(this.oldsong);
}
// Want last.fm buttons to go below station name.
saavn.prototype.createParent = function() {
try{var nonCustomParent = document.getElementsByClassName("btn icon new")[0];
var buttonPar = document.createElement("h5");
nonCustomParent.appendChild(buttonPar); }
catch(err){
}
return buttonPar; };
saavn.prototype.setupDataGrabber = function() {
var dataGrabber = function() {
var song = document.getElementById("spaghetti");
var artist = document.getElementById("thecook");
var album = document.getElementById("noodles");
var oldsong = document.getElementById("tempsong");
var keep = "";
// Hackish way to set title every 50 ms to force the title to stay as the one set by this script.
var forceTitle = function() {
/* if (keep != document.title && (document.title.indexOf(song.textContent + " by " + artist.textContent) != -1 ||
document.title.indexOf("Stopped/Paused") != -1)) {
keep = document.title; }
else {
document.title = keep; }*/
if(document.title.indexOf("Stopped/Paused") != -1)
{
document.title=song.textContent + " by " + artist.textContent;
}
};
setInterval(forceTitle, 5);
var munch = function() {
// Stick data in the <span>s
var paused;
try{
paused=document.getElementById("play").className;
}
catch(err)
{
paused="controls";
}
if (paused=="controls hide"){
song.textContent = document.getElementById("player-track-name").childNodes[0].textContent;
album.textContent =document.getElementById("player-album-name").childNodes[0].textContent;
// artist.textContent = "";
// artist.textContent = document.getElementById("player-album-name").childNodes[0].textContent;
var tempArtist;
/* var myframe=document.getElementById("searchpage_custom_adiframe");
var artist_str=myframe.contentDocument.scripts[0].textContent;
var init_artist=artist_str.search("singers")+8;
var space_cnt=0;*/
console.log("Before request");
var oldat;
var doc;
var cnt,artistarr;
var xhr = new XMLHttpRequest();
console.log("Checking if new song"+oldsong.textContent+""+song.textContent);
if(oldsong.textContent!=song.textContent){
//artist.textContent = "";
xhr.open("GET", "http://ws.audioscrobbler.com/2.0/?method=track.search&track="+ song.textContent+"&api_key=691c0e15a0cbbf8aa65b448c2aefa10b", true);
xhr.send();
console.log("Sending Request");
xhr.onreadystatechange = function () {
console.log("Got requested page");
if (xhr.readyState == 4) {
doc= xhr.responseXML;
console.log("printing response"+doc);
artistarr=doc.getElementsByTagName("artist");
console.log("get artists"+artistarr)
cnt=0;
while(cnt!=artistarr.length)
{
console.log("album name"+ album.textContent);
if(artistarr[cnt]!=album.textContent || cnt+1==artistarr.length){
artist.textContent=artistarr[cnt].childNodes[0].nodeValue + "";
console.log("artist"+cnt+""+artistarr[cnt]);
}