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class UserAgent
module Browsers
class InternetExplorer < Base
TRIDENT_ENGINES = {
"Trident/8.0" => "11.0",
"Trident/7.0" => "11.0",
"Trident/6.0" => "10.0",
"Trident/5.0" => "9.0",
"Trident/4.0" => "8.0",
}.freeze
def self.extend?(agent)
agent.application &&
agent.application.comment &&
(agent.application.comment[1] =~ /MSIE/ ||
agent.application.comment.join('; ') =~ /Trident.+rv:/)
end
def browser
"Internet Explorer"
end
def version
str = application.comment.join('; ')[/(MSIE\s|rv:)([\d\.]+)/, 2]
Version.new(str)
end
def trident_version
if trident = application.comment.detect { |c| c['Trident/'] }
trident_version = TRIDENT_ENGINES.fetch(trident, trident)
Version.new(trident_version)
end
end
def real_version
[trident_version, version].sort.last
end
def compatibility_view?
trident_version && version < real_version
end
# Before version 4.0, Chrome Frame declared itself (unversioned) in a comment;
# as of 4.0 it can declare itself versioned in a comment
# or as a separate product with a version
def chromeframe
cf = application.comment.include?("chromeframe") || detect_product("chromeframe")
return cf if cf
cf_comment = application.comment.detect { |c| c['chromeframe/'] }
cf_comment ? UserAgent.new(*cf_comment.split('/', 2)) : nil
end
def platform
"Windows"
end
def os
OperatingSystems.normalize_os(application.comment.join('; ').match(/Windows NT [\d\.]+|Windows Phone (OS )?[\d\.]+/).to_s)
end
end
end
end
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