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/* -*- 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 Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2007
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 *   Olli Pettay <Olli.Pettay@helsinki.fi> (Original Author)
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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 ***** */

#ifndef nsPresShellIterato_h___
#define nsPresShellIterato_h___

#include "nsIPresShell.h"
#include "nsIDocument.h"

class nsPresShellIterator :
  private nsTObserverArray<nsIPresShell*>::ForwardIterator
  nsPresShellIterator(nsIDocument* aDoc)
  : nsTObserverArray<nsIPresShell*>::ForwardIterator(aDoc->mPresShells),
    mDoc(aDoc) {}

  already_AddRefed<nsIPresShell> GetNextShell()
    nsIPresShell* shell = nsnull;
    if (!mDoc->ShellsAreHidden() && HasMore()) {
      shell = GetNext();
    return shell;
  static void* operator new(size_t) CPP_THROW_NEW { return 0; }
  static void operator delete(void*, size_t) {}

  nsCOMPtr<nsIDocument> mDoc;


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