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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 __DetailedPromise_h__
#define __DetailedPromise_h__
#include "mozilla/dom/Promise.h"
#include "mozilla/Telemetry.h"
#include "EMEUtils.h"
namespace mozilla {
namespace dom {
/*
* This is pretty horrible; bug 1160445.
* Extend Promise to add custom DOMException messages on rejection.
* Get rid of this once we've ironed out EME errors in the wild.
*/
class DetailedPromise : public Promise
{
public:
static already_AddRefed<DetailedPromise>
Create(nsIGlobalObject* aGlobal,
ErrorResult& aRv,
const nsACString& aName);
static already_AddRefed<DetailedPromise>
Create(nsIGlobalObject* aGlobal, ErrorResult& aRv,
const nsACString& aName,
Telemetry::ID aSuccessLatencyProbe,
Telemetry::ID aFailureLatencyProbe);
template <typename T>
void MaybeResolve(const T& aArg)
{
EME_LOG("%s promise resolved", mName.get());
MaybeReportTelemetry(Succeeded);
Promise::MaybeResolve<T>(aArg);
}
void MaybeReject(nsresult aArg) = delete;
void MaybeReject(nsresult aArg, const nsACString& aReason);
void MaybeReject(ErrorResult& aArg) = delete;
void MaybeReject(ErrorResult&, const nsACString& aReason);
private:
explicit DetailedPromise(nsIGlobalObject* aGlobal,
const nsACString& aName);
explicit DetailedPromise(nsIGlobalObject* aGlobal,
const nsACString& aName,
Telemetry::ID aSuccessLatencyProbe,
Telemetry::ID aFailureLatencyProbe);
virtual ~DetailedPromise();
enum Status { Succeeded, Failed };
void MaybeReportTelemetry(Status aStatus);
nsCString mName;
bool mResponded;
TimeStamp mStartTime;
Optional<Telemetry::ID> mSuccessLatencyProbe;
Optional<Telemetry::ID> mFailureLatencyProbe;
};
} // namespace dom
} // namespace mozilla
#endif // __DetailedPromise_h__
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