RemoteImageProtocolHandler.h

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/* -*- Mode: C++; tab-width: 2; 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 mozilla_image_remote_RemoteImageProtocolHandler_h

#define mozilla_image_remote_RemoteImageProtocolHandler_h

#include "mozilla/AlreadyAddRefed.h"

#include "mozilla/ClearOnShutdown.h"

#include "mozilla/StaticPtr.h"

#include "mozilla/dom/ContentParent.h"

#include "mozilla/MozPromise.h"

#include "nsIProtocolHandler.h"

#include "nsThreadUtils.h"

#include "nsWeakReference.h"

namespace mozilla::image {

class RemoteImageProtocolHandler : public nsIProtocolHandler,

                                   public nsSupportsWeakReference {

 public:

  NS_DECL_ISUPPORTS

  NS_DECL_NSIPROTOCOLHANDLER

  static already_AddRefed<RemoteImageProtocolHandler> GetSingleton() {

    MOZ_ASSERT(NS_IsMainThread());

    if (MOZ_UNLIKELY(!sSingleton)) {

      sSingleton = new RemoteImageProtocolHandler();

      ClearOnShutdown(&sSingleton);

    return do_AddRef(sSingleton);

 private:

  virtual ~RemoteImageProtocolHandler() = default;

  static StaticRefPtr<RemoteImageProtocolHandler> sSingleton;

};

}  // namespace mozilla::image

#endif  // mozilla_image_remote_RemoteImageProtocolHandler_h