mirror of
https://github.com/mozilla/gecko-dev.git
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120 lines
3.3 KiB
C++
120 lines
3.3 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/AbortablePromise.h"
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#include "mozilla/dom/AbortablePromiseBinding.h"
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#include "mozilla/dom/PromiseNativeAbortCallback.h"
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#include "mozilla/ErrorResult.h"
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#include "nsThreadUtils.h"
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#include "PromiseCallback.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTING_ADDREF(PromiseNativeAbortCallback)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(PromiseNativeAbortCallback)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PromiseNativeAbortCallback)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTION_0(PromiseNativeAbortCallback)
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NS_IMPL_ADDREF_INHERITED(AbortablePromise, Promise)
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NS_IMPL_RELEASE_INHERITED(AbortablePromise, Promise)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(AbortablePromise)
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NS_INTERFACE_MAP_END_INHERITING(Promise)
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NS_IMPL_CYCLE_COLLECTION_INHERITED(AbortablePromise, Promise, mAbortCallback)
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AbortablePromise::AbortablePromise(nsIGlobalObject* aGlobal,
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PromiseNativeAbortCallback& aAbortCallback)
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: Promise(aGlobal)
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, mAbortCallback(&aAbortCallback)
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{
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}
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AbortablePromise::AbortablePromise(nsIGlobalObject* aGlobal)
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: Promise(aGlobal)
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{
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}
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AbortablePromise::~AbortablePromise()
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{
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}
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/* static */ already_AddRefed<AbortablePromise>
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AbortablePromise::Create(nsIGlobalObject* aGlobal,
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PromiseNativeAbortCallback& aAbortCallback,
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ErrorResult& aRv)
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{
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nsRefPtr<AbortablePromise> p = new AbortablePromise(aGlobal, aAbortCallback);
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p->CreateWrapper(nullptr, aRv);
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if (aRv.Failed()) {
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return nullptr;
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}
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return p.forget();
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}
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JSObject*
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AbortablePromise::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return MozAbortablePromiseBinding::Wrap(aCx, this, aGivenProto);
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}
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/* static */ already_AddRefed<AbortablePromise>
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AbortablePromise::Constructor(const GlobalObject& aGlobal, PromiseInit& aInit,
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AbortCallback& aAbortCallback, ErrorResult& aRv,
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JS::Handle<JSObject*> aDesiredProto)
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{
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nsCOMPtr<nsIGlobalObject> global;
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global = do_QueryInterface(aGlobal.GetAsSupports());
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if (!global) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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nsRefPtr<AbortablePromise> promise = new AbortablePromise(global);
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promise->CreateWrapper(aDesiredProto, aRv);
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if (aRv.Failed()) {
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return nullptr;
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}
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promise->CallInitFunction(aGlobal, aInit, aRv);
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if (aRv.Failed()) {
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return nullptr;
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}
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promise->mAbortCallback = &aAbortCallback;
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return promise.forget();
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}
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void
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AbortablePromise::Abort()
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{
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if (IsPending()) {
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return;
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}
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MaybeReject(NS_ERROR_ABORT);
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nsCOMPtr<nsIRunnable> runnable =
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NS_NewRunnableMethod(this, &AbortablePromise::DoAbort);
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Promise::DispatchToMicroTask(runnable);
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}
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void
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AbortablePromise::DoAbort()
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{
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if (mAbortCallback.HasWebIDLCallback()) {
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ErrorResult rv;
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mAbortCallback.GetWebIDLCallback()->Call(rv);
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return;
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}
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mAbortCallback.GetXPCOMCallback()->Call();
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}
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} // namespace dom
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} // namespace mozilla
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