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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsDocShellEnumerator_h___
#define nsDocShellEnumerator_h___
#include "nsTArray.h"
class nsDocShell;
class nsIDocShell;
class MOZ_STACK_CLASS nsDocShellEnumerator {
public:
enum class EnumerationDirection : uint8_t { Forwards, Backwards };
nsDocShellEnumerator(EnumerationDirection aDirection, int32_t aDocShellType,
nsDocShell& aRootItem);
public:
nsresult BuildDocShellArray(nsTArray<RefPtr<nsIDocShell>>& aItemArray);
private:
nsresult BuildArrayRecursiveForwards(
nsDocShell* aItem, nsTArray<RefPtr<nsIDocShell>>& aItemArray);
nsresult BuildArrayRecursiveBackwards(
nsDocShell* aItem, nsTArray<RefPtr<nsIDocShell>>& aItemArray);
private:
const RefPtr<nsDocShell> mRootItem;
const int32_t mDocShellType; // only want shells of this type
const EnumerationDirection mDirection;
};
#endif // nsDocShellEnumerator_h___
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