зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
2.0 KiB
C++
67 строки
2.0 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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#include "PromiseNativeHandler.h"
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#include "mozilla/dom/Promise.h"
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#include "nsISupportsImpl.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_ISUPPORTS0(DomPromiseListener)
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DomPromiseListener::DomPromiseListener(dom::Promise* aDOMPromise) {
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aDOMPromise->AppendNativeHandler(this);
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}
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DomPromiseListener::DomPromiseListener(dom::Promise* aDOMPromise,
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CallbackTypeResolved&& aResolve,
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CallbackTypeRejected&& aReject)
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: mResolve(Some(std::move(aResolve))), mReject(Some(std::move(aReject))) {
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aDOMPromise->AppendNativeHandler(this);
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}
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DomPromiseListener::~DomPromiseListener() {
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if (mReject) {
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(*mReject)(NS_BINDING_ABORTED);
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}
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}
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void DomPromiseListener::ResolvedCallback(JSContext* aCx,
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JS::Handle<JS::Value> aValue) {
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if (mResolve) {
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(*mResolve)(aCx, aValue);
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}
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// Let's clear the lambdas in case we have a cycle to ourselves.
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mResolve.reset();
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mReject.reset();
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}
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void DomPromiseListener::RejectedCallback(JSContext* aCx,
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JS::Handle<JS::Value> aValue) {
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if (mReject) {
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nsresult errorCode;
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if (!aValue.isInt32()) {
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errorCode = NS_ERROR_DOM_NOT_NUMBER_ERR;
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} else {
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errorCode = nsresult(aValue.toInt32());
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}
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(*mReject)(errorCode);
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}
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// Let's clear the lambdas in case we have a cycle to ourselves.
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mResolve.reset();
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mReject.reset();
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}
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void DomPromiseListener::SetResolvers(CallbackTypeResolved&& aResolve,
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CallbackTypeRejected&& aReject) {
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mResolve = Some(std::move(aResolve));
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mReject = Some(std::move(aReject));
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}
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} // namespace dom
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} // namespace mozilla
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