diff options
Diffstat (limited to 'dom/abort/AbortController.cpp')
-rw-r--r-- | dom/abort/AbortController.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/dom/abort/AbortController.cpp b/dom/abort/AbortController.cpp new file mode 100644 index 0000000000..9bd8202559 --- /dev/null +++ b/dom/abort/AbortController.cpp @@ -0,0 +1,80 @@ +/* -*- 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/dom/AbortControllerBinding.h" +#include "mozilla/dom/BindingUtils.h" +#include "mozilla/dom/DOMException.h" +#include "mozilla/dom/WorkerPrivate.h" +#include "mozilla/HoldDropJSObjects.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 = new AbortSignal(mGlobal, mAborted, 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 |