TracksFlow download track (http://cl.ly/image/3h3Z0H2m0t2w)

tracksflow.user.js

// ==UserScript==
// @name          TracksFlow Download
// @namespace     https://github.com/sapphiriq/
// @description   Tracksflow content downloader
// @author        Alexander Khorin <sapphiriq@gmail.com>
// @copyright     Alexander Khorin, 2012-2013
// @include http://tracksflow.com/*
// ==/UserScript==

(function () {
  if (!(unsafeWindow && unsafeWindow.player)) {
    var unsafeWindow = (function() {
    var div = document.createElement('div');
    div.setAttribute('onclick', 'return window;');
      return div.onclick();
    })();
  }

  // Helpers
  // ========================================================

  var downloadLinkAs = function (link, name) {
    var a = document.createElement('a');
    a.target = '_blank';
    a.href = link;
    a.download = name;
    a.downloadurl = link;
    a.click();
  }

  var download = function (track) {
    track = track || player.getCurrentTrack();
    if (!track) return alert('no track');
    player.getLink(track, {
      success: function (track) {
        var link = track.getUrl();
        downloadLinkAs(link, getTitle(track) + '.mp3');
      }
    });
  }

  var getTitle = function (track) {
    return track.getArtist() + ' - ' + track.getName();
  }


  // Shortcuts
  // ========================================================
  var window = unsafeWindow;
  var $ = window.$;
  var player = window.player;


  // Create button
  // ========================================================

  var popupView = window.classes.view.socialButtonsView;
  var tmpl = $('#socialButtons-template');
  var downloadHtml = '<li class="js-download">\
    <div class="text-with-icon text-with-icon-mdlm">\
      <div class="icon c-green-ifcheck-svg check down-arrow-icon">\
        <svg viewBox="0 0 512 512">\
          <g id="filter">\
            <rect width="512" height="512"></rect>\
          </g>\
        </svg>\
      </div>\
      <div class="text" style="color:#A4CF65">Download</div>\
    </div>\
  </li>';
  tmpl.html( tmpl.html() + downloadHtml);
  popupView.prototype.events['click .js-download'] = 'downloadTrack';
  popupView.prototype.downloadTrack = function() {
    var id, track;
    id = this.model.getSyncLocalId();
    track = player.get('collection').findTrackByLocalId(id)
    download(track);
  };


})();

Hi, created a little fork with playlist download feature ;)
https://gist.github.com/4539178

Soon

Cool nice work! Can't wait to try the playlist download.

11 months ago 'soon'. any progress? :)