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