gecko-dev/dom/abort/AbortController.cpp

70 строки
1.9 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 "AbortController.h"
#include "AbortSignal.h"
#include "mozilla/dom/AbortControllerBinding.h"
#include "mozilla/dom/WorkerPrivate.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(AbortController, mGlobal, mSignal)
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) {}
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) {
mSignal = new AbortSignal(mGlobal, mAborted);
}
return mSignal;
}
void AbortController::Abort() {
if (mAborted) {
return;
}
mAborted = true;
if (mSignal) {
mSignal->Abort();
}
}
} // namespace dom
} // namespace mozilla