dom/storage/SessionStorageManager.h
author Jan Varga <jan.varga@gmail.com>
Wed, 06 Feb 2019 06:09:57 +0100
changeset 518427 04eecadabb485bd398c6c37e258ba47b946e7982
parent 508163 6f3709b3878117466168c40affa7bca0b60cf75b
child 518429 a83047aca8846cbba0324c38ee2c35806746915d
permissions -rw-r--r--
Bug 1525291 - LSNG: Chrome observer notifications for session storage are not distributed to content processes; r=asuth Differential Revision: https://phabricator.services.mozilla.com/D18809

/* -*- 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_SessionStorageManager_h
#define mozilla_dom_SessionStorageManager_h

#include "nsIDOMStorageManager.h"
#include "nsClassHashtable.h"
#include "nsRefPtrHashtable.h"
#include "StorageObserver.h"

namespace mozilla {
namespace dom {

class SessionStorageCache;
class SessionStorageObserver;

class SessionStorageManager final : public nsIDOMStorageManager,
                                    public StorageObserverSink {
 public:
  SessionStorageManager();

  NS_DECL_ISUPPORTS
  NS_DECL_NSIDOMSTORAGEMANAGER

 private:
  ~SessionStorageManager();

  // StorageObserverSink, handler to various chrome clearing notification
  nsresult Observe(const char* aTopic,
                   const nsAString& aOriginAttributesPattern,
                   const nsACString& aOriginScope) override;

  enum ClearStorageType {
    eAll,
    eSessionOnly,
  };

  void ClearStorages(ClearStorageType aType,
                     const OriginAttributesPattern& aPattern,
                     const nsACString& aOriginScope);

  typedef nsRefPtrHashtable<nsCStringHashKey, SessionStorageCache>
      OriginKeyHashTable;
  nsClassHashtable<nsCStringHashKey, OriginKeyHashTable> mOATable;

  RefPtr<SessionStorageObserver> mObserver;
};

}  // namespace dom
}  // namespace mozilla

#endif  // mozilla_dom_SessionStorageManager_h