dom/quota/StorageManager.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_StorageManager_h
   8 #define mozilla_dom_StorageManager_h
   9
  10 #include "js/TypeDecls.h"
  11 #include "mozilla/AlreadyAddRefed.h"
  12 #include "mozilla/Assertions.h"
  13 #include "nsCOMPtr.h"
  14 #include "nsCycleCollectionParticipant.h"
  15 #include "nsISupports.h"
  16 #include "nsWrapperCache.h"
  17
  18 class JSObject;
  19 class nsIGlobalObject;
  20 struct JSContext;
  21
  22 namespace mozilla {
  23 class ErrorResult;
  24
  25 namespace dom {
  26
  27 class Promise;
  28 struct StorageEstimate;
  29
  30 class StorageManager final : public nsISupports, public nsWrapperCache {
  31   nsCOMPtr<nsIGlobalObject> mOwner;
  32
  33  public:
  34   explicit StorageManager(nsIGlobalObject* aGlobal);
  35
  36   nsIGlobalObject* GetParentObject() const { return mOwner; }
  37
  38   // WebIDL
  39   already_AddRefed<Promise> Persisted(ErrorResult& aRv);
  40
  41   already_AddRefed<Promise> Persist(ErrorResult& aRv);
  42
  43   already_AddRefed<Promise> Estimate(ErrorResult& aRv);
  44
  45   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  46   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(StorageManager)
  47
  48   // nsWrapperCache
  49   virtual JSObject* WrapObject(JSContext* aCx,
  50                                JS::Handle<JSObject*> aGivenProto) override;
  51
  52  private:
  53   ~StorageManager();
  54 };
  55
  56 }  // namespace dom
  57 }  // namespace mozilla
  58
  59 #endif  // mozilla_dom_StorageManager_h