diff --git a/plugins/as_desktopnotification/lib/desktopnotification.rb b/plugins/as_desktopnotification/lib/desktopnotification.rb
index 9a1866da6..5e6a2bd14 100644
--- a/plugins/as_desktopnotification/lib/desktopnotification.rb
+++ b/plugins/as_desktopnotification/lib/desktopnotification.rb
@@ -1,32 +1,9 @@
 class DesktopnotificationListener < AsakusaSatellite::Hook::Listener
-  def read_js(filename)
-    js_path = Rails.root.join 'plugins/as_desktopnotification/app/assets/javascripts'
-    File.read(js_path.join filename)
-  end
+  js_path = plugin_root + "app/assets/javascripts/"
 
-  render_on  :account_setting_item, :partial => "desktopnotification_setting"
-
-  def global_footer(context)
-    controller = context[:request][:controller]
-    action     = context[:request][:action]
-
-    case {:controller => controller, :action => action}
-    when {:controller => "account", :action => "index"}
-      <<-JS
-      <script>#{read_js 'desktopnotification.js'}</script>
-      <script>#{read_js 'desktopnotification_setting.js'}</script>
-      JS
-    when {:controller => "chat",    :action => "room"}
-      <<-JS
-      <script>#{read_js 'desktopnotification.js'}</script>
-      <script>#{read_js 'desktopnotification_notify.js'}</script>
-      JS
-    end
-  end
-
-  private
-  def render(context, options)
-    context[:controller].send(:render_to_string, {:locals => context}.merge(options))
-  end
+  render_on :account_setting_item, :partial => "desktopnotification_setting"
+  render_on :script_in_account_setting, :jsfile => js_path + "desktopnotification.js"
+  render_on :script_in_account_setting, :jsfile => js_path + "desktopnotification_setting.js"
+  render_on :script_in_chat_room, :jsfile => js_path + "desktopnotification.js"
+  render_on :script_in_chat_room, :jsfile => js_path + "desktopnotification_notify.js"
 end
-
diff --git a/plugins/as_desktopnotification/spec/lib/desktopnotification_spec.rb b/plugins/as_desktopnotification/spec/lib/desktopnotification_spec.rb
deleted file mode 100644
index 1b3f9d039..000000000
--- a/plugins/as_desktopnotification/spec/lib/desktopnotification_spec.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-require File.dirname(__FILE__) + '/../../../../spec/spec_helper'
-require 'desktopnotification'
-
-describe DesktopnotificationListener do
-  before do
-    @listener = DesktopnotificationListener.new({})
-  end
-
-  describe "account/index" do
-    subject {
-      context = {:request => {:controller => "account", :action => "index"}}
-      @listener.global_footer(context)
-    }
-    it { should =~ /<script>.+<\/script>/m }
-  end
-
-  describe "chat/room" do
-    subject {
-      context = {:request => {:controller => "chat", :action => "room"}}
-      @listener.global_footer(context)
-    }
-    it { should =~ /<script>.+<\/script>/m }
-  end
-
-end