module UserAgent::Browsers::Opera

def self.extend?(agent)
  agent.application && agent.application.product == "Opera"
end

def localization
  if application.comment.nil?
    nil
  elsif platform == "Macintosh"
    application.comment[3]
  else
    application.comment[2]
  end
end

def os
  if application.comment.nil?
    nil
  elsif application.comment[0] =~ /Windows/
    OperatingSystems.normalize_os(application.comment[0])
  else
    application.comment[1]
  end
end

def platform
  if application.comment.nil?
    nil
  elsif application.comment[0] =~ /Windows/
    "Windows"
  else
    application.comment[0]
  end
end

def security
  if application.comment.nil?
    :strong
  elsif platform == "Macintosh"
    Security[application.comment[2]]
  else
    Security[application.comment[1]]
  end
end

def version
  if product = detect_product('Version')
    product.version
  else
    super
  end
end