зеркало из https://github.com/mozilla/gecko-dev.git
111 строки
3.5 KiB
C++
111 строки
3.5 KiB
C++
/* -*- 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: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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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* Pierre Phaneuf <pp@ludusdesign.com>
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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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "pratom.h"
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#include "nsIFactory.h"
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#include "nsIServiceManager.h"
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#include "nsIComponentManager.h"
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#include "nsIObserver.h"
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#include "nsObserver.h"
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static NS_DEFINE_CID(kObserverCID, NS_OBSERVER_CID);
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////////////////////////////////////////////////////////////////////////////////
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// nsObserver Implementation
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NS_IMPL_AGGREGATED(nsObserver)
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NS_COM nsresult NS_NewObserver(nsIObserver** anObserver, nsISupports* outer)
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{
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return nsObserver::Create(outer, NS_GET_IID(nsIObserver), (void**)anObserver);
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}
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NS_METHOD
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nsObserver::Create(nsISupports* outer, const nsIID& aIID, void* *anObserver)
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{
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NS_ENSURE_ARG_POINTER(anObserver);
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NS_ENSURE_PROPER_AGGREGATION(outer, aIID);
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nsObserver* it = new nsObserver(outer);
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if (it == NULL)
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return NS_ERROR_OUT_OF_MEMORY;
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nsresult rv = it->AggregatedQueryInterface(aIID, anObserver);
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if (NS_FAILED(rv)) {
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delete it;
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return rv;
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}
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return rv;
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}
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nsObserver::nsObserver(nsISupports* outer)
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{
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NS_INIT_AGGREGATED(outer);
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}
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nsObserver::~nsObserver(void)
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{
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}
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NS_IMETHODIMP
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nsObserver::AggregatedQueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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NS_ENSURE_ARG_POINTER(aInstancePtr);
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if (aIID.Equals(NS_GET_IID(nsISupports)))
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*aInstancePtr = GetInner();
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else if(aIID.Equals(NS_GET_IID(nsIObserver)))
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*aInstancePtr = NS_STATIC_CAST(nsIObserver*, this);
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else {
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*aInstancePtr = nsnull;
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return NS_NOINTERFACE;
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}
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NS_ADDREF((nsISupports*)*aInstancePtr);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsObserver::Observe( nsISupports *, const char *, const PRUnichar * ) {
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nsresult rv = NS_OK;
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return rv;
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}
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////////////////////////////////////////////////////////////////////////////////
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