lib/onebox/engine/trello_onebox.rb in onebox-1.8.99 vs lib/onebox/engine/trello_onebox.rb in onebox-1.9.0

@@ -17,9 +17,13 @@
         <<-HTML
           <iframe src=\"#{link}\" width=\"100%\" height=\"#{height}\" frameborder=\"0\" style=\"border:0\"></iframe>
         HTML
       end
 
+      def placeholder_html
+        "<div class='onebox-placeholder-container'><span class='placeholder-icon generic'></span></div>"
+      end
+
       private
       def match
         return @match if @match
 
         @match = @url.match(%{trello\.com/(?<type>[^/]+)/(?<key>[^/]+)/?\W*})