gecko/dom/media/eme/DetailedPromise.cpp

65 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 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/. */
#include "DetailedPromise.h"
#include "mozilla/dom/DOMException.h"
namespace mozilla {
namespace dom {
DetailedPromise::DetailedPromise(nsIGlobalObject* aGlobal)
: Promise(aGlobal)
, mResponded(false)
{
}
DetailedPromise::~DetailedPromise()
{
MOZ_ASSERT(mResponded == IsPending());
}
static void
LogToConsole(const nsAString& aMsg)
{
nsCOMPtr<nsIConsoleService> console(
do_GetService("@mozilla.org/consoleservice;1"));
if (!console) {
NS_WARNING("Failed to log message to console.");
return;
}
nsAutoString msg(aMsg);
console->LogStringMessage(msg.get());
}
void
DetailedPromise::MaybeReject(nsresult aArg, const nsACString& aReason)
{
mResponded = true;
LogToConsole(NS_ConvertUTF8toUTF16(aReason));
nsRefPtr<DOMException> exception =
DOMException::Create(aArg, aReason);
Promise::MaybeRejectBrokenly(exception);
}
void
DetailedPromise::MaybeReject(ErrorResult&, const nsACString& aReason)
{
NS_NOTREACHED("nsresult expected in MaybeReject()");
}
/* static */ already_AddRefed<DetailedPromise>
DetailedPromise::Create(nsIGlobalObject* aGlobal, ErrorResult& aRv)
{
nsRefPtr<DetailedPromise> promise = new DetailedPromise(aGlobal);
promise->CreateWrapper(aRv);
return aRv.Failed() ? nullptr : promise.forget();
}
}
}