utils.rb in nitro-0.25.0

- old
+ new
@@ -3,28 +3,32 @@
 module Nitro
 
 module Request
 
   # Some useful mini methods for browser testing.
+  # TODO: add testing for mac IE (an other platforms)
 
+  # Different servers hold user agent in differnet 
+  # strings (unify this).
+  
   def user_agent
    headers['HTTP_USER_AGENT'] || headers['USER-AGENT']
  end
 
   def from_gecko?
-    headers['USER-AGENT'] =~ /Gecko/
+    user_agent =~ /Gecko/
   end
   alias_method :from_mozilla?, :from_gecko?
 
   def from_ie?
-    headers['USER-AGENT'] =~ /MSIE/
+    user_agent =~ /MSIE/
   end
   alias_method :from_msie?, :from_ie?
 
   def from_opera?
-    headers['USER-AGENT'] =~ /Opera/
+    user_agent =~ /Opera/
   end
 
   def from_khtml?
-    headers['USER-AGENT'] =~ /KTHML/
+    user_agent =~ /KTHML/
   end
   alias_method :from_safari?, :from_khtml?
 
   def from_w3c?
     from_gecko? or from_khtml? or from_opera?
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