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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla.
 *
 * The Initial Developer of the Original Code is IBM Corporation.
 * Portions created by IBM Corporation are Copyright (C) 2003
 * IBM Corporation. All Rights Reserved.
 *
 * Contributor(s):
 *   IBM Corp.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

%{C++
#include "plevent.h"
%}

[ptr] native PLEventPtr(PLEvent);

/**
 * nsIEventTarget
 *
 * This interface is used to dispatch events to a particular thread.  In many
 * cases the event target also supports nsIEventQueue.
 */
[scriptable, uuid(ea99ad5b-cc67-4efb-97c9-2ef620a59f2a)]
interface nsIEventTarget : nsISupports
{
    /**
     * Method for posting an asynchronous event to the event target.  If this
     * method succeeds, then the event will be dispatched on the target thread.
     *
     * @param aEvent
     *        The event to dispatched.
     */
    [noscript] void postEvent(in PLEventPtr aEvent);

    /**
     * This method returns true if the event target is the current thread.
     */
    boolean isOnCurrentThread();
};