MessagePortService.h (1788B)
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 mozilla_dom_MessagePortService_h 8 #define mozilla_dom_MessagePortService_h 9 10 #include "nsClassHashtable.h" 11 #include "nsHashKeys.h" 12 #include "nsISupportsImpl.h" 13 14 namespace mozilla::dom { 15 16 class MessagePortParent; 17 class SharedMessageBody; 18 19 class MessagePortService final { 20 public: 21 NS_INLINE_DECL_REFCOUNTING(MessagePortService) 22 23 // Needs to be public for the MOZ_DECLARE_RELOCATE_USING_MOVE_CONSTRUCTOR 24 // macro. 25 struct NextParent; 26 27 static MessagePortService* Get(); 28 static MessagePortService* GetOrCreate(); 29 30 bool RequestEntangling(MessagePortParent* aParent, 31 const nsID& aDestinationUUID, 32 const uint32_t& aSequenceID); 33 34 bool DisentanglePort(MessagePortParent* aParent, 35 FallibleTArray<RefPtr<SharedMessageBody>> aMessages); 36 37 bool ClosePort(MessagePortParent* aParent); 38 39 bool PostMessages(MessagePortParent* aParent, 40 FallibleTArray<RefPtr<SharedMessageBody>> aMessages); 41 42 void ParentDestroy(MessagePortParent* aParent); 43 44 bool ForceClose(const nsID& aUUID, const nsID& aDestinationUUID, 45 const uint32_t& aSequenceID); 46 47 private: 48 ~MessagePortService() = default; 49 50 void CloseAll(const nsID& aUUID, bool aForced = false); 51 void MaybeShutdown(); 52 53 class MessagePortServiceData; 54 55 nsClassHashtable<nsIDHashKey, MessagePortServiceData> mPorts; 56 }; 57 58 } // namespace mozilla::dom 59 60 #endif // mozilla_dom_MessagePortService_h