/* -*- 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 mozilla_dom_WebCryptoThreadPool_h

#define mozilla_dom_WebCryptoThreadPool_h

#include "mozilla/Mutex.h"

#include "nsIObserver.h"

#include "nsIObserverService.h"

#include "nsIThreadPool.h"

namespace mozilla {

namespace dom {

class WebCryptoThreadPool final : nsIObserver {

public:

  NS_DECL_THREADSAFE_ISUPPORTS

  static void

  Initialize();

  static nsresult

  Dispatch(nsIRunnable* aRunnable);

private:

  WebCryptoThreadPool()

    : mMutex("WebCryptoThreadPool::mMutex")

    , mPool(nullptr)

    , mShutdown(false)

  { }

  virtual ~WebCryptoThreadPool()

  { }

  nsresult

  Init();

  nsresult

  DispatchInternal(nsIRunnable* aRunnable);

  void

  Shutdown();

  NS_IMETHOD Observe(nsISupports* aSubject,

                     const char* aTopic,

                     const char16_t* aData) override;

  mozilla::Mutex mMutex;

  nsCOMPtr<nsIThreadPool> mPool;

  bool mShutdown;

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_WebCryptoThreadPool_h