The Tor Browser / file comparison
comparison: dom/workers/MessagePort.h
dom/workers/MessagePort.h
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| 1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 4 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef mozilla_dom_workers_messageport_h_ | |
| 7 #define mozilla_dom_workers_messageport_h_ | |
| 8 | |
| 9 #include "Workers.h" | |
| 10 | |
| 11 #include "mozilla/DOMEventTargetHelper.h" | |
| 12 #include "mozilla/dom/BindingDeclarations.h" | |
| 13 #include "mozilla/dom/MessagePort.h" | |
| 14 | |
| 15 class nsIDOMEvent; | |
| 16 class nsPIDOMWindow; | |
| 17 | |
| 18 namespace mozilla { | |
| 19 class EventChainPreVisitor; | |
| 20 } // namespace mozilla | |
| 21 | |
| 22 BEGIN_WORKERS_NAMESPACE | |
| 23 | |
| 24 class SharedWorker; | |
| 25 class WorkerPrivate; | |
| 26 | |
| 27 class MessagePort MOZ_FINAL : public mozilla::dom::MessagePortBase | |
| 28 { | |
| 29 friend class SharedWorker; | |
| 30 friend class WorkerPrivate; | |
| 31 | |
| 32 typedef mozilla::ErrorResult ErrorResult; | |
| 33 | |
| 34 nsRefPtr<SharedWorker> mSharedWorker; | |
| 35 WorkerPrivate* mWorkerPrivate; | |
| 36 nsTArray<nsCOMPtr<nsIDOMEvent>> mQueuedEvents; | |
| 37 uint64_t mSerial; | |
| 38 bool mStarted; | |
| 39 | |
| 40 public: | |
| 41 static bool | |
| 42 PrefEnabled(); | |
| 43 | |
| 44 virtual void | |
| 45 PostMessageMoz(JSContext* aCx, JS::Handle<JS::Value> aMessage, | |
| 46 const Optional<Sequence<JS::Value>>& aTransferable, | |
| 47 ErrorResult& aRv) MOZ_OVERRIDE; | |
| 48 | |
| 49 virtual void | |
| 50 Start() MOZ_OVERRIDE; | |
| 51 | |
| 52 virtual void | |
| 53 Close() MOZ_OVERRIDE; | |
| 54 | |
| 55 uint64_t | |
| 56 Serial() const | |
| 57 { | |
| 58 return mSerial; | |
| 59 } | |
| 60 | |
| 61 void | |
| 62 QueueEvent(nsIDOMEvent* aEvent); | |
| 63 | |
| 64 NS_DECL_ISUPPORTS_INHERITED | |
| 65 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MessagePort, DOMEventTargetHelper) | |
| 66 | |
| 67 virtual EventHandlerNonNull* | |
| 68 GetOnmessage() MOZ_OVERRIDE; | |
| 69 | |
| 70 virtual void | |
| 71 SetOnmessage(EventHandlerNonNull* aCallback) MOZ_OVERRIDE; | |
| 72 | |
| 73 virtual already_AddRefed<MessagePortBase> | |
| 74 Clone() MOZ_OVERRIDE; | |
| 75 | |
| 76 bool | |
| 77 IsClosed() const | |
| 78 { | |
| 79 return !mSharedWorker && !mWorkerPrivate; | |
| 80 } | |
| 81 | |
| 82 virtual JSObject* | |
| 83 WrapObject(JSContext* aCx) MOZ_OVERRIDE; | |
| 84 | |
| 85 virtual nsresult | |
| 86 PreHandleEvent(EventChainPreVisitor& aVisitor) MOZ_OVERRIDE; | |
| 87 | |
| 88 #ifdef DEBUG | |
| 89 void | |
| 90 AssertCorrectThread() const; | |
| 91 #else | |
| 92 void | |
| 93 AssertCorrectThread() const { } | |
| 94 #endif | |
| 95 | |
| 96 private: | |
| 97 // This class can only be created by SharedWorker or WorkerPrivate. | |
| 98 MessagePort(nsPIDOMWindow* aWindow, SharedWorker* aSharedWorker, | |
| 99 uint64_t aSerial); | |
| 100 MessagePort(WorkerPrivate* aWorkerPrivate, uint64_t aSerial); | |
| 101 | |
| 102 // This class is reference-counted and will be destroyed from Release(). | |
| 103 ~MessagePort(); | |
| 104 | |
| 105 void | |
| 106 CloseInternal(); | |
| 107 }; | |
| 108 | |
| 109 END_WORKERS_NAMESPACE | |
| 110 | |
| 111 #endif // mozilla_dom_workers_messageport_h_ |
