lib/pakyow/ui/behavior/rendering.rb in pakyow-ui-1.0.0.rc3 vs lib/pakyow/ui/behavior/rendering.rb in pakyow-ui-1.0.0.rc4

@@ -49,27 +49,38 @@
 
                   metadata = {
                     renderer: ui_renderer_instance
                   }
 
-                  payload = {
+                  @payload = {
                     metadata: Marshal.dump(metadata)
                   }
 
                   # Generate a unique id based on the value of the metadata. This guarantees that the
                   # transformation id will be consistent across subscriptions.
                   #
-                  transformation_id = Digest::SHA1.hexdigest(payload[:metadata])
+                  transformation_id = Digest::SHA1.hexdigest(@payload[:metadata])
                   presentables[:__transformation_id] = transformation_id
-                  payload[:transformation_id] = transformation_id
+                  @payload[:transformation_id] = transformation_id
+                  @payload[:id] = transformation_id
+                end
+              end
+            end
 
+            after "render" do
+              if instance_variable_defined?(:@payload)
+                @app.ui_executor.post(self, subscribables, @payload, Pakyow.logger.target) do |context, subscribables, payload, logger|
+                  logger.internal {
+                    "[ui] subscribing #{@payload[:id]}"
+                  }
+
                   # Find every subscribable presentable, creating a data subscription for each.
                   #
                   subscribables.each do |subscribable|
-                    subscribable.subscribe(socket_client_id, handler: Handler, payload: payload) do |ids|
+                    subscribable.subscribe(context.socket_client_id, handler: Handler, payload: payload) do |ids|
                       # Subscribe the subscriptions to the "transformation" channel.
                       #
-                      subscribe(:transformation, *ids.uniq)
+                      context.subscribe(:transformation, *ids.uniq)
                     end
                   end
                 end
               end
             end