1 files changed, 67 insertions, 0 deletions
diff --git a/dom/serviceworkers/ServiceWorkerUpdaterChild.cpp b/dom/serviceworkers/ServiceWorkerUpdaterChild.cpp
new file mode 100644
index 0000000000..4c12dad11a
--- /dev/null
+++ b/dom/serviceworkers/ServiceWorkerUpdaterChild.cpp
@@ -0,0 +1,67 @@
+/* -*- 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 "ServiceWorkerUpdaterChild.h"
+#include "ServiceWorkerUtils.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla {
+namespace dom {
+
+ServiceWorkerUpdaterChild::ServiceWorkerUpdaterChild(
+    GenericPromise* aPromise, CancelableRunnable* aSuccessRunnable,
+    CancelableRunnable* aFailureRunnable)
+    : mSuccessRunnable(aSuccessRunnable), mFailureRunnable(aFailureRunnable) {
+  // TODO: remove the main thread restriction after fixing bug 1364821.
+  MOZ_ASSERT(NS_IsMainThread());
+
+  MOZ_DIAGNOSTIC_ASSERT(!ServiceWorkerParentInterceptEnabled());
+
+  MOZ_ASSERT(aPromise);
+  MOZ_ASSERT(aSuccessRunnable);
+  MOZ_ASSERT(aFailureRunnable);
+
+  aPromise
+      ->Then(GetMainThreadSerialEventTarget(), __func__,
+             [this]() {
+               mPromiseHolder.Complete();
+               Unused << Send__delete__(this);
+             })
+      .Track(mPromiseHolder);
+}
+
+mozilla::ipc::IPCResult ServiceWorkerUpdaterChild::RecvProceed(
+    const bool& aAllowed) {
+  // If we have a callback, it will resolve the promise.
+
+  if (aAllowed) {
+    mSuccessRunnable->Run();
+    mFailureRunnable->Cancel();
+  } else {
+    mFailureRunnable->Run();
+    mSuccessRunnable->Cancel();
+  }
+
+  mSuccessRunnable = nullptr;
+  mFailureRunnable = nullptr;
+
+  return IPC_OK();
+}
+
+void ServiceWorkerUpdaterChild::ActorDestroy(ActorDestroyReason aWhy) {
+  if (mSuccessRunnable) {
+    mSuccessRunnable->Cancel();
+  }
+
+  if (mFailureRunnable) {
+    mFailureRunnable->Cancel();
+  }
+
+  mPromiseHolder.DisconnectIfExists();
+}
+
+}  // namespace dom
+}  // namespace mozilla