function handleSongPause(song) {
    /*
      Checks to see if the active playlist is null and the song matches
      the active index.
    */
    if ((_config2.default.active_playlist == "" || _config2.default.active_playlist == null) && _config2.default.active_index == song) {
      /*
        Pauses the song.
      */
      _core2.default.pause();

      /*
        Sync the play pause elements.
      */
      _playPauseElements2.default.sync();
    }
  }
Handles the song pause.

@access private
@param {integer} song The song the pause button belongs to.