/* -*- 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_WebRequestService_h

#define mozilla_WebRequestService_h

#include "mozilla/LinkedList.h"

#include "mozilla/UniquePtr.h"

#include "mozilla/extensions/ChannelWrapper.h"

#include "mozilla/extensions/WebExtensionPolicy.h"

#include "nsHashKeys.h"

#include "nsDataHashtable.h"

class nsAtom;

class nsITabParent;

class nsITraceableChannel;

namespace mozilla {

namespace dom {

  class TabParent;

  class nsIContentParent;

}

namespace extensions {

class WebRequestChannelEntry final

{

public:

  ~WebRequestChannelEntry();

private:

  friend class WebRequestService;

  explicit WebRequestChannelEntry(ChannelWrapper* aChannel);

  uint64_t mChannelId;

  WeakPtr<ChannelWrapper> mChannel;

};

class WebRequestService final

{

public:

  NS_INLINE_DECL_REFCOUNTING(WebRequestService)

  WebRequestService() = default;

  static already_AddRefed<WebRequestService> GetInstance()

  {

    return do_AddRef(&GetSingleton());

  }

  static WebRequestService& GetSingleton();

  using ChannelEntry = WebRequestChannelEntry;

  UniquePtr<ChannelEntry> RegisterChannel(ChannelWrapper* aChannel);

  void UnregisterTraceableChannel(uint64_t aChannelId);

  already_AddRefed<nsITraceableChannel>

  GetTraceableChannel(uint64_t aChannelId, nsAtom* aAddonId,

                      dom::nsIContentParent* aContentParent);

private:

  ~WebRequestService();

  friend ChannelEntry;

  nsDataHashtable<nsUint64HashKey, ChannelEntry*> mChannelEntries;

};

}

}

#endif // mozilla_WebRequestService_h