xpcom/ds/nsTObserverArray.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsTObserverArray.h"
   8
   9 void nsTObserverArray_base::AdjustIterators(index_type aModPos,
  10                                             diff_type aAdjustment) {
  11   MOZ_ASSERT(aAdjustment == -1 || aAdjustment == 1, "invalid adjustment");
  12   Iterator_base* iter = mIterators;
  13   while (iter) {
  14     if (iter->mPosition > aModPos) {
  15       iter->mPosition += aAdjustment;
  16     }
  17     iter = iter->mNext;
  18   }
  19 }
  20
  21 void nsTObserverArray_base::ClearIterators() {
  22   Iterator_base* iter = mIterators;
  23   while (iter) {
  24     iter->mPosition = 0;
  25     iter = iter->mNext;
  26   }
  27 }