зеркало из https://github.com/mozilla/gecko-dev.git
52 строки
1.7 KiB
C++
52 строки
1.7 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_ClientDOMUtil_h
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#define _mozilla_dom_ClientDOMUtil_h
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#include "mozilla/dom/ClientIPCTypes.h"
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#include "mozilla/dom/ClientOpPromise.h"
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#include "mozilla/dom/WorkerHolderToken.h"
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#include "mozilla/dom/WorkerPrivate.h"
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class nsIGlobalObject;
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namespace mozilla {
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namespace dom {
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// Utility method to properly execute a ClientManager operation. It
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// will properly hold a worker thread alive and avoid executing callbacks
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// if the thread is shutting down.
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template<typename Func, typename Arg, typename Resolve, typename Reject>
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void
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StartClientManagerOp(Func aFunc, const Arg& aArg, nsISerialEventTarget* aTarget,
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Resolve aResolve, Reject aReject)
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{
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RefPtr<WorkerHolderToken> token;
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if (!NS_IsMainThread()) {
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token = WorkerHolderToken::Create(GetCurrentThreadWorkerPrivate(),
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WorkerStatus::Closing);
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}
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RefPtr<ClientOpPromise> promise = aFunc(aArg, aTarget);
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promise->Then(aTarget, __func__,
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[aResolve, token](const ClientOpResult& aResult) {
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if (token && token->IsShuttingDown()) {
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return;
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}
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aResolve(aResult);
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}, [aReject, token](nsresult aResult) {
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if (token && token->IsShuttingDown()) {
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return;
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}
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aReject(aResult);
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});
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}
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} // namespace dom
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} // namespace mozilla
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#endif // _mozilla_dom_ClientDOMUtil_h
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