Track user interaction with Google Analytics

track_interaction

jQuery(function($) {
  // last time we send tracking information
  // default is 60 seconds ( converted to miliseconds )
  var send_interval = 60 * 1000;

  // Last time we send the event to GA
  var last_time = new Date().getTime();

  // Track mouse movement
  $(window).mousemove(function() {
    sendTrackData();
  });

  // has send_interval seconds passed since last event?
  function shouldTrack() {
    // The very present :-)
    var right_now = new Date().getTime();
    return ((right_now  - last_time) > send_interval);
  };

  // send track data to GA
  function sendTrackData() {
    if (shouldTrack()) {
      _gaq.push(['_trackEvent', 'Page', "'" + $(document).attr('title') + "'", "'" + fullDate() + "'", 0, false]);
      last_time = new Date().getTime();
    };
  };

  // returns current date human readable
  function fullDate() {
    var d = new Date();
    var curr_date = d.getDate();
    var curr_month = d.getMonth();
    curr_month++;
    var curr_year = d.getFullYear();
    var curr_hour = d.getHours();
    var curr_minute = d.getMinutes();

    return curr_date + "-" + curr_month + "-" + curr_year + " " + curr_hour + ":" + curr_minute;
  };

  // this will be triggered when mobile devices do scroll
  //$(document).bind('scrollstart', function() {
    //sendTrackData();
  //});
});