forked from mirrors/gecko-dev
80 lines
2.4 KiB
C++
80 lines
2.4 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 "AbortController.h"
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#include "AbortSignal.h"
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#include "js/Value.h"
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#include "mozilla/dom/AbortControllerBinding.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/dom/DOMException.h"
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#include "mozilla/dom/WorkerPrivate.h"
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#include "mozilla/HoldDropJSObjects.h"
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namespace mozilla::dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_WITH_JS_MEMBERS(AbortController,
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(mGlobal, mSignal),
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(mReason))
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NS_IMPL_CYCLE_COLLECTING_ADDREF(AbortController)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(AbortController)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AbortController)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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/* static */
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already_AddRefed<AbortController> AbortController::Constructor(
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const GlobalObject& aGlobal, ErrorResult& aRv) {
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
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if (!global) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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RefPtr<AbortController> abortController = new AbortController(global);
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return abortController.forget();
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}
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AbortController::AbortController(nsIGlobalObject* aGlobal)
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: mGlobal(aGlobal), mAborted(false), mReason(JS::UndefinedHandleValue) {
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mozilla::HoldJSObjects(this);
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}
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JSObject* AbortController::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return AbortController_Binding::Wrap(aCx, this, aGivenProto);
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}
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nsIGlobalObject* AbortController::GetParentObject() const { return mGlobal; }
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AbortSignal* AbortController::Signal() {
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if (!mSignal) {
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JS::Rooted<JS::Value> reason(RootingCx(), mReason);
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mSignal = new AbortSignal(mGlobal, mAborted, reason);
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}
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return mSignal;
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}
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void AbortController::Abort(JSContext* aCx, JS::Handle<JS::Value> aReason) {
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if (mAborted) {
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return;
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}
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mAborted = true;
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if (mSignal) {
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mSignal->SignalAbort(aReason);
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} else {
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mReason = aReason;
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}
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}
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AbortController::~AbortController() { mozilla::DropJSObjects(this); }
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} // namespace mozilla::dom
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