Class: DeviceWizard::UserAgentDetector

Inherits:
Object
  • Object
show all
Defined in:
lib/device_wizard/user_agent_detector.rb

Constant Summary collapse

MOBILE =

CONST Keywords

'mobile'
IPAD = 
'ipad'
IPHONE = 
'iphone'
ANDROID = 
'android'
TABLET = 
'tablet'
SILK = 
'silk'
REGEX_OS =

CONST Regex Patterns

/(windows|linux|os\s+[x9]|solaris|bsd)/
REGEX_MOBILE = 
/(iphone|ipod|blackberry|android|palm|windows\s+ce|mobile|symbian|phone)/
REGEX_CRAWLER = 
/(spider|crawl|slurp|bot)/

Instance Method Summary collapse

Constructor Details

#initialize ⇒ UserAgentDetector

Returns a new instance of UserAgentDetector.



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# File 'lib/device_wizard/user_agent_detector.rb', line 23

def initialize
  @browser_resolvers = []
  @browser_resolvers.push(Resolvers::Firefox.new)
  @browser_resolvers.push(Resolvers::GoogleChrome.new)
  @browser_resolvers.push(Resolvers::InternetExplorer.new)
  @browser_resolvers.push(Resolvers::Safari.new)

  @os_resolvers = []
  @os_resolvers.push(Resolvers::Android.new)
  @os_resolvers.push(Resolvers::IOS.new)
  @os_resolvers.push(Resolvers::Mac.new)
  @os_resolvers.push(Resolvers::Windows.new)
end

Instance Method Details

#get_browser(user_agent) ⇒ Object 



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# File 'lib/device_wizard/user_agent_detector.rb', line 56

def get_browser(user_agent)
  @browser_resolvers.each do |r|
    browser = r.identify(user_agent)
    return browser unless browser.nil?
  end

  Details::Browser.new
end

#get_details(user_agent) ⇒ Object 



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# File 'lib/device_wizard/user_agent_detector.rb', line 74

def get_details(user_agent)
  details = Details::Device.new
  details.type = get_device_type(user_agent)
  details.browser = get_browser(user_agent)
  details.os = get_os(user_agent)
  details
end

#get_device_type(user_agent) ⇒ Object 



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# File 'lib/device_wizard/user_agent_detector.rb', line 41

def get_device_type(user_agent)
  if user_agent.to_s.strip.length == 0
    return DeviceType::UNKNOWN
  end

  user_agent.downcase!

  if user_agent.include? TABLET
    return DeviceType::TABLET
  end

  type = determine_type(user_agent)
  type || DeviceType::UNKNOWN
end

#get_os(user_agent) ⇒ Object 



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# File 'lib/device_wizard/user_agent_detector.rb', line 65

def get_os(user_agent)
  @os_resolvers.each do |r|
    os = r.identify(user_agent)
    return os unless os.nil?
  end

  Details::OperatingSystem.new
end

#unknown ⇒ Object 



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# File 'lib/device_wizard/user_agent_detector.rb', line 37

def unknown
  UNKNOWN
end