Source/WebCore/dom/MessagePort.idl

/*
 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
 * Copyright (C) 2011 Google Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 *
 */

[
    JSCustomMarkFunction,
    GenerateIsReachable=Impl,
    ActiveDOMObject,
    EventTarget,
] interface MessagePort {
// We need to have something as an ObjC binding, because MessagePort is used in MessageEvent, which already has one,
// but we don't want to actually expose the API while it is in flux.
#if defined(LANGUAGE_JAVASCRIPT) && LANGUAGE_JAVASCRIPT
    [Custom, RaisesException] void postMessage(any message, optional Array messagePorts);

    void start();
    void close();

    // event handler attributes
    attribute EventListener onmessage;

    // EventTarget interface
    void addEventListener(DOMString type, 
                          EventListener listener, 
                          optional boolean useCapture);
    void removeEventListener(DOMString type, 
                             EventListener listener, 
                             optional boolean useCapture);
    [RaisesException] boolean dispatchEvent(Event evt);
#endif
};