CookieStoreNotificationWatcher.h

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/* -*- 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_CookieStoreNotificationWatcher_h

#define mozilla_dom_CookieStoreNotificationWatcher_h

#include "nsIObserver.h"

#include "nsWeakReference.h"

#include "mozilla/OriginAttributes.h"

#include "mozilla/MoveOnlyFunction.h"

namespace mozilla::dom {

class CookieStoreNotificationWatcher final : public nsIObserver,

                                             public nsSupportsWeakReference {

 public:

  NS_DECL_ISUPPORTS

  NS_DECL_NSIOBSERVER

  static already_AddRefed<CookieStoreNotificationWatcher> Create(

      bool aPrivateBrowsing);

  static void ReleaseOnMainThread(

      already_AddRefed<CookieStoreNotificationWatcher> aWatcher);

  void CallbackWhenNotified(const nsID& aOperationID,

                            MoveOnlyFunction<void()> aCallback);

  void ForgetOperationID(const nsID& aOperationID);

 private:

  CookieStoreNotificationWatcher() = default;

  ~CookieStoreNotificationWatcher() = default;

  void MaybeResolveOperations(const nsID* aOperationID);

  struct PendingOperation {

    MoveOnlyFunction<void()> mCallback;

    nsID mOperationID;

};

  // This is a simple list because I don't think we will have so many concurrent

  // operations to motivate an hash table.

  nsTArray<PendingOperation> mPendingOperations;

};

}  // namespace mozilla::dom

#endif /* mozilla_dom_CookieStoreNotificationWatcher_h */