/* -*- Mode: C++; tab-width: 4; 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 nsExternalProtocolHandler_h___
#define nsExternalProtocolHandler_h___

#include "nsIExternalProtocolHandler.h"
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsWeakReference.h"
#include "nsIExternalProtocolService.h"
#include "mozilla/Attributes.h"

class nsIURI;

// protocol handlers need to support weak references if we want the netlib
// nsIOService to cache them.
class nsExternalProtocolHandler final : public nsIExternalProtocolHandler,
                                        public nsSupportsWeakReference {
 public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_NSIPROTOCOLHANDLER
  NS_DECL_NSIEXTERNALPROTOCOLHANDLER

  nsExternalProtocolHandler();

 protected:
  ~nsExternalProtocolHandler();

  // helper function
  bool HaveExternalProtocolHandler(nsIURI* aURI);
  nsCString m_schemeName;
};

#endif  // nsExternalProtocolHandler_h___