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97 строки
3.7 KiB
Plaintext
97 строки
3.7 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla code.
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*
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* The Initial Developer of the Original Code is Google Inc.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@meer.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface nsIRunnable;
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[scriptable, uuid(4e8febe4-6631-49dc-8ac9-308c1cb9b09c)]
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interface nsIEventTarget : nsISupports
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{
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/**
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* Dispatch an event to this event target. This function may be called from
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* any thread, and it may be called re-entrantly.
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*
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* @param event
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* The event to dispatch.
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* @param flags
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* The flags modifying event dispatch. The flags are described in detail
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* below.
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*
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* @throws NS_ERROR_INVALID_ARG
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* Indicates that event is null.
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* @throws NS_ERROR_UNEXPECTED
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* Indicates that the thread is shutting down and has finished processing
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* events, so this event would never run and has not been dispatched.
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*/
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void dispatch(in nsIRunnable event, in unsigned long flags);
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/**
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* This flag specifies the default mode of event dispatch, whereby the event
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* is simply queued for later processing. When this flag is specified,
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* dispatch returns immediately after the event is queued.
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*/
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const unsigned long DISPATCH_NORMAL = 0;
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/**
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* This flag specifies the synchronous mode of event dispatch, in which the
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* dispatch method does not return until the event has been processed.
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*
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* NOTE: passing this flag to dispatch may have the side-effect of causing
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* other events on the current thread to be processed while waiting for the
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* given event to be processed.
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*/
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const unsigned long DISPATCH_SYNC = 1;
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/**
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* Check to see if this event target is associated with the current thread.
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*
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* @returns
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* A boolean value that if "true" indicates that events dispatched to this
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* event target will run on the current thread (i.e., the thread calling
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* this method).
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*/
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boolean isOnCurrentThread();
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};
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%{C++
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// convenient aliases:
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#define NS_DISPATCH_NORMAL nsIEventTarget::DISPATCH_NORMAL
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#define NS_DISPATCH_SYNC nsIEventTarget::DISPATCH_SYNC
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%}
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