/* -*- 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 nsDOMWindowList_h___

#define nsDOMWindowList_h___

#include "nsCOMPtr.h"

#include <stdint.h>

#include "nsIDocShell.h"

class nsIDocShell;

class nsIDOMWindow;

class nsDOMWindowList final

{

public:

  explicit nsDOMWindowList(nsIDocShell* aDocShell);

  NS_INLINE_DECL_REFCOUNTING(nsDOMWindowList)

  uint32_t GetLength();

  already_AddRefed<nsPIDOMWindowOuter> IndexedGetter(uint32_t aIndex);

  already_AddRefed<nsPIDOMWindowOuter> NamedItem(const nsAString& aName);

  //local methods

  void SetDocShell(nsIDocShell* aDocShell);

  already_AddRefed<nsIDocShellTreeItem> GetDocShellTreeItemAt(uint32_t aIndex)

  {

    EnsureFresh();

    nsCOMPtr<nsIDocShellTreeItem> item;

    if (mDocShellNode) {

      mDocShellNode->GetChildAt(aIndex, getter_AddRefs(item));

    }

    return item.forget();

  }

protected:

  ~nsDOMWindowList();

  // Note: this function may flush and cause mDocShellNode to become null.

  void EnsureFresh();

  nsIDocShell* mDocShellNode; //Weak Reference

};

#endif // nsDOMWindowList_h___