1 files changed, 67 insertions, 0 deletions
diff --git a/dom/webauthn/WebAuthnManagerBase.cpp b/dom/webauthn/WebAuthnManagerBase.cpp
new file mode 100644
index 0000000000..392be93076
--- /dev/null
+++ b/dom/webauthn/WebAuthnManagerBase.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 "mozilla/dom/WebAuthnManagerBase.h"
+#include "mozilla/dom/WebAuthnTransactionChild.h"
+#include "mozilla/ipc/BackgroundChild.h"
+#include "mozilla/ipc/PBackgroundChild.h"
+
+namespace mozilla::dom {
+
+WebAuthnManagerBase::WebAuthnManagerBase(nsPIDOMWindowInner* aParent)
+    : mParent(aParent) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(aParent);
+}
+
+WebAuthnManagerBase::~WebAuthnManagerBase() { MOZ_ASSERT(NS_IsMainThread()); }
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(WebAuthnManagerBase)
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTION(WebAuthnManagerBase, mParent)
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(WebAuthnManagerBase)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(WebAuthnManagerBase)
+
+/***********************************************************************
+ * IPC Protocol Implementation
+ **********************************************************************/
+
+bool WebAuthnManagerBase::MaybeCreateBackgroundActor() {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  if (mChild) {
+    return true;
+  }
+
+  ::mozilla::ipc::PBackgroundChild* actorChild =
+      ::mozilla::ipc::BackgroundChild::GetOrCreateForCurrentThread();
+  if (NS_WARN_IF(!actorChild)) {
+    return false;
+  }
+
+  RefPtr<WebAuthnTransactionChild> mgr(new WebAuthnTransactionChild(this));
+  PWebAuthnTransactionChild* constructedMgr =
+      actorChild->SendPWebAuthnTransactionConstructor(mgr);
+
+  if (NS_WARN_IF(!constructedMgr)) {
+    return false;
+  }
+
+  MOZ_ASSERT(constructedMgr == mgr);
+  mChild = std::move(mgr);
+
+  return true;
+}
+
+void WebAuthnManagerBase::ActorDestroyed() {
+  MOZ_ASSERT(NS_IsMainThread());
+  mChild = nullptr;
+}
+
+}  // namespace mozilla::dom