The Tor Browser: dom/workers/SharedWorker.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef mozilla_dom_workers_sharedworker_h__

     7 #define mozilla_dom_workers_sharedworker_h__

     9 #include "Workers.h"

    11 #include "mozilla/dom/BindingDeclarations.h"

    12 #include "mozilla/dom/workers/bindings/MessagePort.h"

    13 #include "mozilla/DOMEventTargetHelper.h"

    15 class nsIDOMEvent;

    16 class nsPIDOMWindow;

    18 namespace mozilla {

    19 class EventChainPreVisitor;

    20 } // namespace mozilla

    22 BEGIN_WORKERS_NAMESPACE

    24 class MessagePort;

    25 class RuntimeService;

    26 class WorkerPrivate;

    28 class SharedWorker MOZ_FINAL : public DOMEventTargetHelper

    29 {

    30   friend class MessagePort;

    31   friend class RuntimeService;

    33   typedef mozilla::ErrorResult ErrorResult;

    34   typedef mozilla::dom::GlobalObject GlobalObject;

    36   nsRefPtr<WorkerPrivate> mWorkerPrivate;

    37   nsRefPtr<MessagePort> mMessagePort;

    38   nsTArray<nsCOMPtr<nsIDOMEvent>> mSuspendedEvents;

    39   uint64_t mSerial;

    40   bool mSuspended;

    42 public:

    43   static already_AddRefed<SharedWorker>

    44   Constructor(const GlobalObject& aGlobal, JSContext* aCx,

    45               const nsAString& aScriptURL, const Optional<nsAString>& aName,

    46               ErrorResult& aRv);

    48   already_AddRefed<MessagePort>

    49   Port();

    51   uint64_t

    52   Serial() const

    53   {

    54     return mSerial;

    55   }

    57   bool

    58   IsSuspended() const

    59   {

    60     return mSuspended;

    61   }

    63   void

    64   Suspend();

    66   void

    67   Resume();

    69   void

    70   QueueEvent(nsIDOMEvent* aEvent);

    72   void

    73   Close();

    75   NS_DECL_ISUPPORTS_INHERITED

    76   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SharedWorker, DOMEventTargetHelper)

    78   IMPL_EVENT_HANDLER(error)

    80   virtual JSObject*

    81   WrapObject(JSContext* aCx) MOZ_OVERRIDE;

    83   virtual nsresult

    84   PreHandleEvent(EventChainPreVisitor& aVisitor) MOZ_OVERRIDE;

    86   WorkerPrivate*

    87   GetWorkerPrivate() const

    88   {

    89     return mWorkerPrivate;

    90   }

    92 private:

    93   // This class can only be created from the RuntimeService.

    94   SharedWorker(nsPIDOMWindow* aWindow,

    95                WorkerPrivate* aWorkerPrivate);

    97   // This class is reference-counted and will be destroyed from Release().

    98   ~SharedWorker();

   100   // Only called by MessagePort.

   101   void

   102   PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,

   103               const Optional<Sequence<JS::Value>>& aTransferable,

   104               ErrorResult& aRv);

   106   // Only called by RuntimeService.

   107   void

   108   NoteDeadWorker(JSContext* aCx);

   109 };

   111 END_WORKERS_NAMESPACE

   113 #endif // mozilla_dom_workers_sharedworker_h__

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