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-rw-r--r--dom/abort/AbortController.cpp80
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