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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 nsSupportsArrayEnumerator_h___
#define nsSupportsArrayEnumerator_h___

#include "nsCOMPtr.h"
#include "mozilla/Attributes.h"

// Disable deprecation warnings generated by nsISupportsArray and associated
// classes.
#if defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#elif defined(_MSC_VER)
#pragma warning (push)
#pragma warning (disable : 4996)
#endif

#include "nsIEnumerator.h"

class nsISupportsArray;

class nsSupportsArrayEnumerator final : public nsIBidirectionalEnumerator
{
public:
  NS_DECL_ISUPPORTS

  explicit nsSupportsArrayEnumerator(nsISupportsArray* aArray);

  // nsIEnumerator methods:
  NS_DECL_NSIENUMERATOR

  // nsIBidirectionalEnumerator methods:
  NS_DECL_NSIBIDIRECTIONALENUMERATOR

private:
  ~nsSupportsArrayEnumerator();

protected:
  nsCOMPtr<nsISupportsArray> mArray;
  int32_t               mCursor;

};

#if defined(__GNUC__)
#pragma GCC diagnostic pop
#elif defined(_MSC_VER)
#pragma warning (pop)
#endif

#endif // __nsSupportsArrayEnumerator_h