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/* -*- 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 "AbortController.h"
#include "AbortSignal.h"
#include "js/Value.h"
#include "mozilla/HoldDropJSObjects.h"
#include "mozilla/dom/AbortControllerBinding.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMException.h"
#include "mozilla/dom/WorkerPrivate.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_WITH_JS_MEMBERS(AbortController,
(mGlobal, mSignal),
(mReason))
NS_IMPL_CYCLE_COLLECTING_ADDREF(AbortController)
NS_IMPL_CYCLE_COLLECTING_RELEASE(AbortController)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AbortController)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
/* static */
already_AddRefed<AbortController> AbortController::Constructor(
const GlobalObject& aGlobal, ErrorResult& aRv) {
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (!global) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<AbortController> abortController = new AbortController(global);
return abortController.forget();
}
AbortController::AbortController(nsIGlobalObject* aGlobal)
: mGlobal(aGlobal), mAborted(false), mReason(JS::UndefinedHandleValue) {
mozilla::HoldJSObjects(this);
}
JSObject* AbortController::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return AbortController_Binding::Wrap(aCx, this, aGivenProto);
}
nsIGlobalObject* AbortController::GetParentObject() const { return mGlobal; }
AbortSignal* AbortController::Signal() {
if (!mSignal) {
JS::Rooted<JS::Value> reason(RootingCx(), mReason);
mSignal = AbortSignal::Create(
mGlobal, mAborted ? SignalAborted::Yes : SignalAborted::No, reason);
}
return mSignal;
}
void AbortController::Abort(JSContext* aCx, JS::Handle<JS::Value> aReason) {
if (mAborted) {
return;
}
mAborted = true;
if (mSignal) {
mSignal->SignalAbort(aReason);
} else {
mReason = aReason;
}
}
AbortController::~AbortController() { mozilla::DropJSObjects(this); }
} // namespace mozilla::dom
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