SessionStorageService.h (1518B)
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 file, 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef DOM_STORAGE_SESSIONSTORAGESERVICE_H_ 8 #define DOM_STORAGE_SESSIONSTORAGESERVICE_H_ 9 10 #include "mozilla/Result.h" 11 #include "mozilla/dom/FlippedOnce.h" 12 #include "mozilla/dom/PBackgroundSessionStorageServiceChild.h" 13 #include "nsISessionStorageService.h" 14 15 namespace mozilla { 16 17 struct CreateIfNonExistent; 18 19 namespace dom { 20 21 class SessionStorageService final 22 : public nsISessionStorageService, 23 public PBackgroundSessionStorageServiceChild { 24 public: 25 NS_DECL_ISUPPORTS 26 NS_DECL_NSISESSIONSTORAGESERVICE 27 28 SessionStorageService(); 29 30 // Singleton Boilerplate 31 static mozilla::Result<RefPtr<SessionStorageService>, nsresult> Acquire( 32 const CreateIfNonExistent&); 33 34 // Can return null if the service hasn't be created yet or after 35 // XPCOMShutdown. 36 static RefPtr<SessionStorageService> Acquire(); 37 38 private: 39 ~SessionStorageService(); 40 41 mozilla::Result<Ok, nsresult> Init(); 42 43 void Shutdown(); 44 45 // IPDL methods are only called by IPDL. 46 void ActorDestroy(ActorDestroyReason aWhy) override; 47 48 FlippedOnce<false> mInitialized; 49 FlippedOnce<false> mActorDestroyed; 50 }; 51 52 } // namespace dom 53 } // namespace mozilla 54 55 #endif /* DOM_STORAGE_SESSIONSTORAGESERVICE_H_ */