dom/storage/PartitionedLocalStorage.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_PartitionedLocalStorage_h
   8 #define mozilla_dom_PartitionedLocalStorage_h
   9
  10 #include "Storage.h"
  11
  12 class nsIPrincipal;
  13
  14 namespace mozilla::dom {
  15
  16 class SessionStorageCache;
  17
  18 // PartitionedLocalStorage is a in-memory-only storage exposed to trackers. It
  19 // doesn't share data with other contexts.
  20
  21 class PartitionedLocalStorage final : public Storage {
  22  public:
  23   NS_DECL_ISUPPORTS_INHERITED
  24   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PartitionedLocalStorage, Storage)
  25
  26   PartitionedLocalStorage(nsPIDOMWindowInner* aWindow, nsIPrincipal* aPrincipal,
  27                           nsIPrincipal* aStoragePrincipal,
  28                           SessionStorageCache* aCache);
  29
  30   StorageType Type() const override { return ePartitionedLocalStorage; }
  31
  32   int64_t GetOriginQuotaUsage() const override;
  33
  34   bool IsForkOf(const Storage* aStorage) const override;
  35
  36   // WebIDL
  37   uint32_t GetLength(nsIPrincipal& aSubjectPrincipal,
  38                      ErrorResult& aRv) override;
  39
  40   void Key(uint32_t aIndex, nsAString& aResult, nsIPrincipal& aSubjectPrincipal,
  41            ErrorResult& aRv) override;
  42
  43   void GetItem(const nsAString& aKey, nsAString& aResult,
  44                nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) override;
  45
  46   void GetSupportedNames(nsTArray<nsString>& aKeys) override;
  47
  48   void SetItem(const nsAString& aKey, const nsAString& aValue,
  49                nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) override;
  50
  51   void RemoveItem(const nsAString& aKey, nsIPrincipal& aSubjectPrincipal,
  52                   ErrorResult& aRv) override;
  53
  54   void Clear(nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv) override;
  55
  56  private:
  57   ~PartitionedLocalStorage();
  58
  59   RefPtr<SessionStorageCache> mCache;
  60 };
  61
  62 }  // namespace mozilla::dom
  63
  64 #endif  // mozilla_dom_PartitionedLocalStorage_h