зеркало из https://github.com/mozilla/gecko-dev.git
114 строки
2.6 KiB
C++
114 строки
2.6 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_workers_sharedworker_h__
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#define mozilla_dom_workers_sharedworker_h__
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#include "Workers.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/dom/workers/bindings/MessagePort.h"
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#include "mozilla/DOMEventTargetHelper.h"
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class nsIDOMEvent;
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class nsPIDOMWindow;
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namespace mozilla {
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class EventChainPreVisitor;
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} // namespace mozilla
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BEGIN_WORKERS_NAMESPACE
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class MessagePort;
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class RuntimeService;
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class WorkerPrivate;
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class SharedWorker final : public DOMEventTargetHelper
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{
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friend class MessagePort;
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friend class RuntimeService;
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typedef mozilla::ErrorResult ErrorResult;
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typedef mozilla::dom::GlobalObject GlobalObject;
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nsRefPtr<WorkerPrivate> mWorkerPrivate;
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nsRefPtr<MessagePort> mMessagePort;
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nsTArray<nsCOMPtr<nsIDOMEvent>> mSuspendedEvents;
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uint64_t mSerial;
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bool mSuspended;
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public:
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static already_AddRefed<SharedWorker>
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Constructor(const GlobalObject& aGlobal, JSContext* aCx,
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const nsAString& aScriptURL, const Optional<nsAString>& aName,
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ErrorResult& aRv);
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already_AddRefed<mozilla::dom::workers::MessagePort>
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Port();
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uint64_t
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Serial() const
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{
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return mSerial;
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}
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bool
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IsSuspended() const
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{
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return mSuspended;
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}
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void
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Suspend();
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void
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Resume();
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void
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QueueEvent(nsIDOMEvent* aEvent);
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void
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Close();
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SharedWorker, DOMEventTargetHelper)
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IMPL_EVENT_HANDLER(error)
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virtual JSObject*
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WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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virtual nsresult
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PreHandleEvent(EventChainPreVisitor& aVisitor) override;
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WorkerPrivate*
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GetWorkerPrivate() const
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{
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return mWorkerPrivate;
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}
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private:
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// This class can only be created from the RuntimeService.
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SharedWorker(nsPIDOMWindow* aWindow,
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WorkerPrivate* aWorkerPrivate);
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// This class is reference-counted and will be destroyed from Release().
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~SharedWorker();
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// Only called by MessagePort.
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void
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PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
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const Optional<Sequence<JS::Value>>& aTransferable,
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ErrorResult& aRv);
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// Only called by RuntimeService.
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void
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NoteDeadWorker(JSContext* aCx);
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};
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END_WORKERS_NAMESPACE
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#endif // mozilla_dom_workers_sharedworker_h__
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