Class: DeviceWizard::UserAgentDetector

Inherits:
Object
  • Object
show all
Defined in:
lib/device_wizard.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.rb', line 35

def initialize
  @browser_resolvers = []
  @browser_resolvers.push(FirefoxResolver.new)
  @browser_resolvers.push(GoogleChromeResolver.new)
  @browser_resolvers.push(InternetExplorerResolver.new)
  @browser_resolvers.push(SafariResolver.new)

  @os_resolvers = []
  @os_resolvers.push(AndroidResolver.new)
  @os_resolvers.push(IOSResolver.new)
  @os_resolvers.push(MacResolver.new)
  @os_resolvers.push(WindowsResolver.new)
end

Instance Method Details

#get_browser(user_agent) ⇒ Object 



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# File 'lib/device_wizard.rb', line 95

def get_browser(user_agent)

  @browser_resolvers.each do |r|

    browser = r.identify(user_agent)

    if browser != nil
      return browser
    end

  end

  return BrowserDetails.new

end

#get_details(user_agent) ⇒ Object 



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# File 'lib/device_wizard.rb', line 127

def get_details(user_agent)
  details = DeviceDetails.new

  details.type = get_device_type(user_agent)
  details.browser = get_browser(user_agent)
  details.os = get_os(user_agent)

  return details
end

#get_device_type(user_agent) ⇒ Object 



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# File 'lib/device_wizard.rb', line 53

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

  if user_agent.include? MOBILE
    if user_agent.include? IPAD
      return DeviceType::TABLET
    else
      return DeviceType::MOBILE
    end
  elsif user_agent.include? ANDROID
    return DeviceType::TABLET
  end

  if REGEX_MOBILE =~ user_agent
    return DeviceType::MOBILE
  end

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

  if REGEX_OS =~ user_agent
    return DeviceType::DESKTOP
  end

  if REGEX_CRAWLER =~ user_agent
    return DeviceType::CRAWLER
  end

  return DeviceType::UNKNOWN

end

#get_os(user_agent) ⇒ Object 



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# File 'lib/device_wizard.rb', line 111

def get_os(user_agent)

  @os_resolvers.each do |r|

    os = r.identify(user_agent)

    if os != nil
      return os
    end

  end

  return OperatingSystemDetails.new

end

#unknown ⇒ Object 



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# File 'lib/device_wizard.rb', line 49

def unknown
  UNKNOWN
end