Module: MobileDetection

Defined in:
lib/mobile_detection.rb

Constant Summary collapse

MODERN_MOBILE_REGEX = 
%r{
  \(.*iPhone\ OS\ 1[5-9].*\)|
  \(.*iPad.*OS\ 1[5-9].*\)|
  Chrome\/8[89]|
  Chrome\/9[0-9]|
  Chrome\/1[0-9][0-9]|
  Firefox\/8[5-9]|
  Firefox\/9[0-9]|
  Firefox\/1[0-9][0-9]
}x
USER_AGENT_MAX_LENGTH = 
400

Class Method Summary collapse

Class Method Details

.ios_device?(user_agent) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mobile_detection.rb', line 23

def self.ios_device?(user_agent)
  user_agent =~ /iPad|iPhone|iPod/
end

.mobile_device?(user_agent) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mobile_detection.rb', line 4

def self.mobile_device?(user_agent)
  user_agent =~ /Mobile/ && !(user_agent =~ /iPad/)
end

.modern_mobile_device?(user_agent) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mobile_detection.rb', line 41

def self.modern_mobile_device?(user_agent)
  user_agent[0...USER_AGENT_MAX_LENGTH].match?(MODERN_MOBILE_REGEX)
end

.resolve_mobile_view!(user_agent, params, session) ⇒ Object

we need this as a reusable chunk that is called from the cache



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# File 'lib/mobile_detection.rb', line 9

def self.resolve_mobile_view!(user_agent, params, session)
  return false unless SiteSetting.enable_mobile_theme

  session[:mobile_view] = params[:mobile_view] if params && params.has_key?(:mobile_view)
  session[:mobile_view] = nil if params && params.has_key?(:mobile_view) &&
    params[:mobile_view] == "auto"

  if session && session[:mobile_view]
    session[:mobile_view] == "1"
  else
    mobile_device?(user_agent)
  end
end