Synchronous downloading support

app/views/posts/_posts.rb

@@ -3,16 +3,13 @@
 class Posts < SilverlightApplication
   def initialize
     super
-    request = Net::WebClient.new
-    request.download_string_completed do |s,a|
-      @posts = JSONParser.new.parse(a.result)
-      _render "posts", @posts
-      #render :id => "posts", :view => "posts/index"
-    end
-    request.download_string_async Uri.new("http://#{params[:http_host]}/posts.json")
+    result = download "/posts.json"
+    @posts = JSONParser.new.parse(result)
+    render_posts :id => "posts"
   end
-
-  def _render(id, posts)
+
+  def render_posts(options = {})
+    id, posts = options[:id], @posts
     output = "<table>"
     output += "  <tr>"
     posts.first.keys.each do |key|

vendor/plugins/silverline/client/lib/downloader.rb

@@ -0,0 +1,18 @@
+include System::Windows::Browser
+
+module Downloader
+
+  def download(url, &block)
+    if block.nil?
+      request = HtmlPage.Window.CreateInstance("XMLHttpRequest".to_clr_string)
+      request.Invoke("open".to_clr_string, "GET".to_clr_string, url, false)
+      request.Invoke("send".to_clr_string, "".to_clr_string)
+      request.GetProperty("responseText".to_clr_string).to_s
+    else
+      request = Net::WebClient.new
+      request.download_string_completed(&block)
+      request.download_string_async Uri.new("http://#{params[:http_host]}#{url}")
+    end
+  end
+
+end