def render
      @viewer.render_html(self.send(@render_type), url)
    rescue Errno::ECONNREFUSED, Errno::ECONNRESET, Errno::EPIPE
      @viewer = DefaultViewer
    end
def render
      @viewer.render_html(self.send(@render_type), url)
    rescue Errno::ECONNREFUSED, Errno::ECONNRESET, Errno::EPIPE
      @viewer = DefaultViewer
    end
Render the current page on the connected viewer.
 @api private