Revert r8669 for now, breaks Action Mailer. Reopens #10800.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8676 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 12 insertions, 1 deletions

diff --git a/actionpack/lib/action_controller/layout.rb b/actionpack/lib/action_controller/layout.rb
index 0fbbfa8b05..a81efc2693 100644
--- a/actionpack/lib/action_controller/layout.rb
+++ b/actionpack/lib/action_controller/layout.rb
@@ -208,6 +208,12 @@ module ActionController #:nodoc:
           conditions.inject({}) {|hash, (key, value)| hash.merge(key => [value].flatten.map {|action| action.to_s})}
         end
         
+        def layout_directory_exists_cache
+          @@layout_directory_exists_cache ||= Hash.new do |h, dirname|
+            h[dirname] = File.directory? dirname
+          end
+        end
+        
         def default_layout_with_format(format, layout)
           list = layout_list
           if list.grep(%r{layouts/#{layout}\.#{format}(\.[a-z][0-9a-z]*)+$}).empty?
@@ -307,8 +313,13 @@ module ActionController #:nodoc:
         end
       end
       
+      # Does a layout directory for this class exist?
+      # we cache this info in a class level hash
       def layout_directory?(layout_name)
-        @template.finder.find_template_extension_from_handler(File.join('layouts', layout_name))
+        view_paths.find do |path| 
+          next unless template_path = Dir[File.join(path, 'layouts', layout_name) + ".*"].first
+          self.class.send!(:layout_directory_exists_cache)[File.dirname(template_path)]
+        end
       end
   end
 end