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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_WorkerTestUtils__
#define mozilla_dom_WorkerTestUtils__
#include "nsStringFwd.h"
namespace mozilla {
class ErrorResult;
namespace dom {
class GlobalObject;
class WorkerTestCallback;
/**
* dom/webidl/WorkerTestUtils.webidl defines APIs to expose worker's internal
* status for glass-box testing. The APIs are only exposed to Workers with prefs
* dom.workers.testing.enabled.
*
* WorkerTestUtils is the implementation of dom/webidl/WorkerTestUtils.webidl
*/
class WorkerTestUtils final {
public:
/**
* Expose the worker's current timer nesting level.
*
* The worker's current timer nesting level means the executing timer
* handler's timer nesting level. When there is no executing timer handler, 0
* should be returned by this API. The maximum timer nesting level is 5.
*
* https://html.spec.whatwg.org/#timer-initialisation-steps
*/
static uint32_t CurrentTimerNestingLevel(const GlobalObject&,
ErrorResult& aErr);
static bool IsRunningInBackground(const GlobalObject&, ErrorResult& aErr);
static void HoldStrongWorkerRefUntilMainThreadObserverNotified(
const GlobalObject&, const nsACString& aTopic, ErrorResult& aErr);
MOZ_CAN_RUN_SCRIPT static void BlockUntilMainThreadObserverNotified(
const GlobalObject&, const nsACString& aTopic,
WorkerTestCallback& aWhenObserving, ErrorResult& aErr);
static void NotifyObserverOnMainThread(const GlobalObject&,
const nsACString& aTopic,
ErrorResult& aErr);
};
} // namespace dom
} // namespace mozilla
#endif
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