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There is a newer version: 2.9.0

/*
 * Copyright 2012 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package elemental.events;
import elemental.util.Indexable;

import elemental.events.*;
import elemental.util.*;
import elemental.dom.*;
import elemental.html.*;
import elemental.css.*;
import elemental.stylesheets.*;

import java.util.Date;

/**
  * 

dom/interfaces/threads/nsIDOMWorkers.idlScriptable
This interface represents a worker thread's message port, which is used to allow the worker to post messages back to its creator.1.0
11.0
Introduced
Gecko 1.9.1

Inherits from: nsISupports
Last changed in Gecko 1.9.1 (Firefox 3.5 / Thunderbird 3.0 / SeaMonkey 2.0)

  */
public interface MessagePort extends EventTarget {

  EventListener getOnmessage();

  void setOnmessage(EventListener arg);

  EventRemover addEventListener(String type, EventListener listener);

  EventRemover addEventListener(String type, EventListener listener, boolean useCapture);

  void close();

  boolean dispatchEvent(Event evt);


  /**
    * Posts a message into the event queue.

Parameters
 aMessage
 The message to post.


    */
  void postMessage(String message);


  /**
    * Posts a message into the event queue.

Parameters
 aMessage
 The message to post.


    */
  void postMessage(String message, Indexable messagePorts);

  void removeEventListener(String type, EventListener listener);

  void removeEventListener(String type, EventListener listener, boolean useCapture);

  void start();

  void webkitPostMessage(String message);

  void webkitPostMessage(String message, Indexable transfer);
}