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74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Olli Pettay <Olli.Pettay@helsinki.fi> (Original Author)
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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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#ifndef nsPresShellIterato_h___
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#define nsPresShellIterato_h___
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#include "nsIPresShell.h"
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#include "nsIDocument.h"
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class nsPresShellIterator :
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private nsTObserverArray<nsIPresShell*>::ForwardIterator
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{
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public:
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nsPresShellIterator(nsIDocument* aDoc)
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: nsTObserverArray<nsIPresShell*>::ForwardIterator(aDoc->mPresShells),
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mDoc(aDoc) {}
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already_AddRefed<nsIPresShell> GetNextShell()
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{
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nsIPresShell* shell = nsnull;
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if (!mDoc->ShellsAreHidden() && HasMore()) {
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shell = GetNext();
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NS_IF_ADDREF(shell);
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}
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return shell;
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}
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PRBool HasMoreThanOneShell() {
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return mDoc->mPresShells.Length() > 1;
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}
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private:
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static void* operator new(size_t) CPP_THROW_NEW { return 0; }
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static void operator delete(void*, size_t) {}
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nsCOMPtr<nsIDocument> mDoc;
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};
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#endif
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