Convert to class_attribute

3 files changed, 23 insertions, 13 deletions

diff --git a/actionpack/lib/abstract_controller/helpers.rb b/actionpack/lib/abstract_controller/helpers.rb
index eb621c0865..578b884a4d 100644
--- a/actionpack/lib/abstract_controller/helpers.rb
+++ b/actionpack/lib/abstract_controller/helpers.rb
@@ -1,4 +1,6 @@
 require 'active_support/dependencies'
+require 'active_support/core_ext/class/attribute'
+require 'active_support/core_ext/module/delegation'
 
 module AbstractController
   module Helpers
@@ -12,10 +14,10 @@ module AbstractController
     end
 
     included do
-      extlib_inheritable_accessor(:_helpers) { Module.new }
-      extlib_inheritable_accessor(:_helper_serial) do
-        AbstractController::Helpers.next_serial
-      end
+      class_attribute :_helpers, :_helper_serial
+      delegate :_helpers, :to => :'self.class'
+      self._helpers = Module.new
+      self._helper_serial = ::AbstractController::Helpers.next_serial
     end
 
     module ClassMethods
diff --git a/actionpack/lib/abstract_controller/layouts.rb b/actionpack/lib/abstract_controller/layouts.rb
index 56ddf9bf01..0d214396aa 100644
--- a/actionpack/lib/abstract_controller/layouts.rb
+++ b/actionpack/lib/abstract_controller/layouts.rb
@@ -1,3 +1,6 @@
+require 'active_support/core_ext/class/attribute'
+require 'active_support/core_ext/module/delegation'
+
 module AbstractController
   # Layouts reverse the common pattern of including shared headers and footers in many templates to isolate changes in
   # repeated setups. The inclusion pattern has pages that look like this:
@@ -161,8 +164,9 @@ module AbstractController
     include Rendering
 
     included do
-      extlib_inheritable_accessor(:_layout_conditions) { Hash.new }
-      extlib_inheritable_accessor(:_action_has_layout) { Hash.new }
+      class_attribute :_layout_conditions
+      delegate :_layout_conditions, :to => :'self.class'
+      self._layout_conditions = {}
       _write_layout_method
     end
 
diff --git a/actionpack/lib/abstract_controller/rendering.rb b/actionpack/lib/abstract_controller/rendering.rb
index ac407bda5e..619a49571b 100644
--- a/actionpack/lib/abstract_controller/rendering.rb
+++ b/actionpack/lib/abstract_controller/rendering.rb
@@ -1,4 +1,7 @@
 require "abstract_controller/base"
+require 'active_support/core_ext/class/attribute'
+require 'active_support/core_ext/module/delegation'
+require 'active_support/core_ext/array/wrap'
 
 module AbstractController
   class DoubleRenderError < Error
@@ -13,8 +16,9 @@ module AbstractController
     extend ActiveSupport::Concern
 
     included do
-      extlib_inheritable_accessor :_view_paths
-      self._view_paths ||= ActionView::PathSet.new
+      class_attribute :_view_paths
+      delegate :_view_paths, :to => :'self.class'
+      self._view_paths = ActionView::PathSet.new
     end
 
     # An instance of a view class. The default view class is ActionView::Base
@@ -156,7 +160,6 @@ module AbstractController
       elsif options.key?(:file)
         options[:_template_name] = options[:file]
       end
-
       name = (options[:_template_name] || options[:action] || action_name).to_s
       options[:_prefix] ||= _prefix if (options.keys & [:partial, :file, :template]).empty?
 
@@ -201,7 +204,7 @@ module AbstractController
       # the default view path. You may also provide a custom view path
       # (see ActionView::ViewPathSet for more information)
       def append_view_path(path)
-        self.view_paths << path
+        self.view_paths = view_paths.dup + Array.wrap(path)
       end
 
       # Prepend a path to the list of view paths for this controller.
@@ -212,12 +215,12 @@ module AbstractController
       # (see ActionView::ViewPathSet for more information)
       def prepend_view_path(path)
         clear_template_caches!
-        self.view_paths.unshift(path)
+        self.view_paths = Array.wrap(path) + view_paths.dup
       end
 
       # A list of all of the default view paths for this controller.
       def view_paths
-        self._view_paths
+        _view_paths
       end
 
       # Set the view paths.
@@ -228,7 +231,8 @@ module AbstractController
       def view_paths=(paths)
         clear_template_caches!
         self._view_paths = paths.is_a?(ActionView::PathSet) ? paths : ActionView::Base.process_view_paths(paths)
+        _view_paths.freeze
       end
     end
   end
-end
\ No newline at end of file
+end