gecko-dev/xpcom/glue/nsTObserverArray.cpp

70 строки
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jonas Sicking <jonas@sicking.cc> (Original Author)
*
* 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 "nsTObserverArray.h"
void
nsTObserverArray_base::AdjustIterators(PRInt32 aModPos,
PRInt32 aAdjustment)
{
NS_PRECONDITION(aAdjustment == -1 || aAdjustment == 1,
"invalid adjustment");
Iterator_base* iter = mIterators;
while (iter) {
NS_ASSERTION(&(iter->mArray) == this, "wrong array");
if (iter->mPosition > aModPos) {
iter->mPosition += aAdjustment;
}
iter = iter->mNext;
}
}
void
nsTObserverArray_base::Clear()
{
mObservers.Clear();
Iterator_base* iter = mIterators;
while (iter) {
NS_ASSERTION(&(iter->mArray) == this, "wrong array");
iter->mPosition = 0;
iter = iter->mNext;
}
}