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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_SharedWorkerService_h
#define mozilla_dom_SharedWorkerService_h
#include "mozilla/dom/quota/CheckedUnsafePtr.h"
#include "nsISupportsImpl.h"
#include "nsTArray.h"
class nsIEventTarget;
namespace mozilla {
namespace ipc {
class PrincipalInfo;
}
namespace dom {
class MessagePortIdentifier;
class RemoteWorkerData;
class SharedWorkerManager;
class SharedWorkerParent;
class UniqueMessagePortId;
/**
* PBackground service that creates and tracks the per-worker
* SharedWorkerManager instances, allowing rendezvous between SharedWorkerParent
* instances and the SharedWorkerManagers they want to talk to (1:1).
*/
class SharedWorkerService final {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(SharedWorkerService);
// This can be called on PBackground thread only.
static already_AddRefed<SharedWorkerService> GetOrCreate();
// The service, if already created, is available on any thread using this
// method.
static SharedWorkerService* Get();
// PBackground method only.
void GetOrCreateWorkerManager(SharedWorkerParent* aActor,
const RemoteWorkerData& aData,
uint64_t aWindowID,
const MessagePortIdentifier& aPortIdentifier);
void GetOrCreateWorkerManagerOnMainThread(
nsIEventTarget* aBackgroundEventTarget, SharedWorkerParent* aActor,
const RemoteWorkerData& aData, uint64_t aWindowID,
UniqueMessagePortId& aPortIdentifier);
void RemoveWorkerManagerOnMainThread(SharedWorkerManager* aManager);
private:
SharedWorkerService() = default;
~SharedWorkerService() = default;
void ErrorPropagationOnMainThread(nsIEventTarget* aBackgroundEventTarget,
SharedWorkerParent* aActor,
nsresult aError);
// Touched on main-thread only.
nsTArray<RefPtr<SharedWorkerManager>> mWorkerManagers;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_SharedWorkerService_h
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