forked from mirrors/gecko-dev
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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_SharedWorkerService_h
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#define mozilla_dom_SharedWorkerService_h
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#include "mozilla/dom/quota/CheckedUnsafePtr.h"
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#include "nsISupportsImpl.h"
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#include "nsTArray.h"
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class nsIEventTarget;
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namespace mozilla {
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namespace ipc {
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class PrincipalInfo;
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}
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namespace dom {
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class MessagePortIdentifier;
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class RemoteWorkerData;
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class SharedWorkerManager;
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class SharedWorkerParent;
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class UniqueMessagePortId;
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/**
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* PBackground service that creates and tracks the per-worker
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* SharedWorkerManager instances, allowing rendezvous between SharedWorkerParent
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* instances and the SharedWorkerManagers they want to talk to (1:1).
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*/
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class SharedWorkerService final {
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(SharedWorkerService);
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// This can be called on PBackground thread only.
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static already_AddRefed<SharedWorkerService> GetOrCreate();
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// The service, if already created, is available on any thread using this
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// method.
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static SharedWorkerService* Get();
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// PBackground method only.
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void GetOrCreateWorkerManager(SharedWorkerParent* aActor,
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const RemoteWorkerData& aData,
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uint64_t aWindowID,
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const MessagePortIdentifier& aPortIdentifier);
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void GetOrCreateWorkerManagerOnMainThread(
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nsIEventTarget* aBackgroundEventTarget, SharedWorkerParent* aActor,
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const RemoteWorkerData& aData, uint64_t aWindowID,
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UniqueMessagePortId& aPortIdentifier);
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void RemoveWorkerManagerOnMainThread(SharedWorkerManager* aManager);
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private:
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SharedWorkerService() = default;
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~SharedWorkerService() = default;
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void ErrorPropagationOnMainThread(nsIEventTarget* aBackgroundEventTarget,
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SharedWorkerParent* aActor,
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nsresult aError);
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// Touched on main-thread only.
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nsTArray<RefPtr<SharedWorkerManager>> mWorkerManagers;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_SharedWorkerService_h
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