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71 lines
2.8 KiB
Plaintext
71 lines
2.8 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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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/**
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* This interface is implemented by an object that wants
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* to observe an event corresponding to a topic.
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*/
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[scriptable, function, uuid(DB242E01-E4D9-11d2-9DDE-000064657374)]
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interface nsIObserver : nsISupports {
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/**
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* Observe will be called when there is a notification for the
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* topic |aTopic|. This assumes that the object implementing
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* this interface has been registered with an observer service
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* such as the nsIObserverService.
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*
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* If you expect multiple topics/subjects, the impl is
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* responsible for filtering.
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*
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* You should not modify, add, remove, or enumerate
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* notifications in the implemention of observe.
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*
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* @param aSubject : Notification specific interface pointer.
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* @param aTopic : The notification topic or subject.
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* @param aData : Notification specific wide string.
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* subject event.
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*/
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void observe( in nsISupports aSubject,
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in string aTopic,
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in wstring aData );
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};
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