backup

worker/message_handler.js

@@ -0,0 +1,23 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+
+'use strict';
+
+
+function MessageHandler(actionHandler, postMessage, scope) {
+  this.onMessage = function(event) {
+    var data = event.data;
+    if (data.action in actionHandler) {
+      actionHandler[data.action].call(scope, data.data);
+    } else {
+      throw 'Unkown action from worker: ' + data.action;
+    }
+  };
+  
+  this.send = function(actionName, data) {
+    postMessage({
+      action: actionName,
+      data:   data
+    });
+  }
+}