Module: Cowtech::RubyOnRails::Helpers::BrowserHelper

Defined in:
app/helpers/cowtech/ruby_on_rails/helpers/browser_helper.rb

Instance Method Summary collapse

Instance Method Details

#browser_classes ⇒ Object 



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# File 'app/helpers/cowtech/ruby_on_rails/helpers/browser_helper.rb', line 45

def browser_classes
	self.browser_detect if !@browser
	rv = []

	# Add name and platform
	rv << @browser[:engine].to_s
	rv << "platform-#{@browser[:platform].to_s}"

	# Add versions
	version = "version-"
	i = -1
	@browser[:version].split(/\./).each do |v|
		i += 1
		version += "#{i > 0 ? "_" : ""}#{v}"
		rv << version
	end

	rv.join(" ")
end

#browser_detect ⇒ Object 



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# File 'app/helpers/cowtech/ruby_on_rails/helpers/browser_helper.rb', line 11

def browser_detect
	rv = {engine: :unknown, version: "0", platform: :unknown, agent: request.user_agent || request.env["HTTP_USER_AGENT"].try(:downcase) || ""}

	if rv[:agent].present? then
		agent = rv[:agent].downcase

		# Identify engine
		if agent =~ /opera/ then
			rv[:engine] = :opera
		elsif agent =~ /webkit/ then
			rv[:engine] = (agent =~ /chrome|chromium/ ? :chrome : :safari)
		elsif agent =~ /msie/ || agent =~ /webtv/ then
			rv[:engine] = :msie
		elsif agent =~ /mozilla/ && agent !~ /compatible/ then
			rv[:engine] = :mozilla
		end

		# Identify version
		rv[:version] = $1 if agent =~ /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/
		rv[:version_number] = rv[:version].to_f

		# Identify platform
		if agent =~ /linux/ then
			rv[:platform] = :linux
		elsif agent =~ /macintosh|mac os x/ then
			rv[:platform] = :mac
		elsif agent =~ /windows|win32|win64/ then
			rv[:platform] = :windows
		end
	end

	@browser = rv
end

#browser_is?(engine = nil, version = nil, platform = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/helpers/cowtech/ruby_on_rails/helpers/browser_helper.rb', line 65

def browser_is?(engine = nil, version = nil, platform = nil)
	self.browser_detect if !@browser

	rv = true
	rv = rv && (engine == @browser[:engine]) if engine.present?
	rv = rv && (version == @browser[:version_number]) if version.present?
	rv = rv && (platform == @browser[:platform]) if platform.present?
	rv
end