gecko-dev/dom/promise/PromiseNativeHandler.cpp

55 строки
1.7 KiB
C++

/* -*- 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/. */
#include "PromiseNativeHandler.h"
#include "mozilla/dom/Promise.h"
#include "nsISupportsImpl.h"
namespace mozilla {
namespace dom {
NS_IMPL_ISUPPORTS0(DomPromiseListener)
DomPromiseListener::DomPromiseListener(dom::Promise* aDOMPromise) {
aDOMPromise->AppendNativeHandler(this);
}
DomPromiseListener::DomPromiseListener(dom::Promise* aDOMPromise,
CallbackType&& aResolve,
CallbackType&& aReject)
: mResolve(Some(std::move(aResolve))), mReject(Some(std::move(aReject))) {
aDOMPromise->AppendNativeHandler(this);
}
void DomPromiseListener::ResolvedCallback(JSContext* aCx,
JS::Handle<JS::Value> aValue) {
if (mResolve) {
(*mResolve)(aCx, aValue);
}
// Let's clear the lambdas in case we have a cycle to ourselves.
mResolve.reset();
mReject.reset();
}
void DomPromiseListener::RejectedCallback(JSContext* aCx,
JS::Handle<JS::Value> aValue) {
if (mReject) {
(*mReject)(aCx, aValue);
}
// Let's clear the lambdas in case we have a cycle to ourselves.
mResolve.reset();
mReject.reset();
}
void DomPromiseListener::SetResolvers(CallbackType&& aResolve,
CallbackType&& aReject) {
mResolve = Some(std::move(aResolve));
mReject = Some(std::move(aReject));
}
} // namespace dom
} // namespace mozilla