Module: MobileFu::Helper

Defined in:
lib/mobile-fu/helper.rb

Constant Summary collapse

JS_ENABLED_DEVICES = 
%w{iphone ipod ipad mobileexplorer android zune}

Instance Method Summary collapse

Instance Method Details

#js_enabled_mobile_device? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mobile-fu/helper.rb', line 5

def js_enabled_mobile_device?
  JS_ENABLED_DEVICES.find { |device| is_device? device }
end

#stylesheet_link_tag_with_mobilization(*sources) ⇒ Object 



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# File 'lib/mobile-fu/helper.rb', line 9

def stylesheet_link_tag_with_mobilization(*sources)
  mobilized_sources = Array.new
  
  # Figure out where stylesheets live, which differs depending if the asset
  # pipeline is used or not.
  stylesheets_dir = config.stylesheets_dir # Rails.root/public/stylesheets
  
  # Look for mobilized stylesheets in the app/assets path if asset pipeline
  # is enabled, because public/stylesheets will be missing in development
  # mode without precompiling assets first, and may also contain multiple
  # stylesheets with similar names because of checksumming during
  # precompilation.
  if Rails.application.config.respond_to?(:assets) # don't break pre-rails3.1
    if Rails.application.config.assets.enabled
      stylesheets_dir = File.join(Rails.root, 'app/assets/stylesheets/')
    end
  end
  
  device_names = respond_to?(:is_mobile_device?) && is_mobile_device? ? ['mobile', mobile_device.downcase] : []
  
  sources.each do |source|
    mobilized_sources << source
    
    device_names.compact.each do |device_name|
      # support ERB and/or SCSS extensions (e.g., mobile.css.erb, mobile.css.scss.erb)
      possible_source = source.to_s.sub(/\.css.*$/, '') + "_#{device_name}"
      
      mobilized_files = Dir.glob(File.join(stylesheets_dir, "#{possible_source}.css*")).map { |f| f.sub(stylesheets_dir, '') }
      mobilized_sources += mobilized_files.map { |f| f.sub(/\.css.*/, '') }
    end
  end
  
  stylesheet_link_tag_without_mobilization *mobilized_sources
end