1 files changed, 106 insertions, 0 deletions
diff --git a/dom/serviceworkers/FetchEventOpParent.cpp b/dom/serviceworkers/FetchEventOpParent.cpp
new file mode 100644
index 0000000000..06c65f36d2
--- /dev/null
+++ b/dom/serviceworkers/FetchEventOpParent.cpp
@@ -0,0 +1,106 @@
+/* -*- 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 "FetchEventOpParent.h"
+
+#include "mozilla/dom/FetchTypes.h"
+#include "nsDebug.h"
+
+#include "mozilla/Assertions.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/Unused.h"
+#include "mozilla/dom/FetchEventOpProxyParent.h"
+#include "mozilla/dom/FetchStreamUtils.h"
+#include "mozilla/dom/InternalResponse.h"
+#include "mozilla/dom/RemoteWorkerControllerParent.h"
+#include "mozilla/dom/RemoteWorkerParent.h"
+#include "mozilla/ipc/BackgroundParent.h"
+
+namespace mozilla {
+
+using namespace ipc;
+
+namespace dom {
+
+std::tuple<Maybe<ParentToParentInternalResponse>, Maybe<ResponseEndArgs>>
+FetchEventOpParent::OnStart(
+    MovingNotNull<RefPtr<FetchEventOpProxyParent>> aFetchEventOpProxyParent) {
+  Maybe<ParentToParentInternalResponse> preloadResponse =
+      std::move(mState.as<Pending>().mPreloadResponse);
+  Maybe<ResponseEndArgs> preloadResponseEndArgs =
+      std::move(mState.as<Pending>().mEndArgs);
+  mState = AsVariant(Started{std::move(aFetchEventOpProxyParent)});
+  return std::make_tuple(preloadResponse, preloadResponseEndArgs);
+}
+
+void FetchEventOpParent::OnFinish() {
+  MOZ_ASSERT(mState.is<Started>());
+  mState = AsVariant(Finished());
+}
+
+mozilla::ipc::IPCResult FetchEventOpParent::RecvPreloadResponse(
+    ParentToParentInternalResponse&& aResponse) {
+  AssertIsOnBackgroundThread();
+
+  mState.match(
+      [&aResponse](Pending& aPending) {
+        MOZ_ASSERT(aPending.mPreloadResponse.isNothing());
+        aPending.mPreloadResponse = Some(std::move(aResponse));
+      },
+      [&aResponse](Started& aStarted) {
+        auto backgroundParent = WrapNotNull(
+            WrapNotNull(aStarted.mFetchEventOpProxyParent->Manager())
+                ->Manager());
+        Unused << aStarted.mFetchEventOpProxyParent->SendPreloadResponse(
+            ToParentToChild(aResponse, backgroundParent));
+      },
+      [](const Finished&) {});
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult FetchEventOpParent::RecvPreloadResponseTiming(
+    ResponseTiming&& aTiming) {
+  AssertIsOnBackgroundThread();
+
+  mState.match(
+      [&aTiming](Pending& aPending) {
+        MOZ_ASSERT(aPending.mTiming.isNothing());
+        aPending.mTiming = Some(std::move(aTiming));
+      },
+      [&aTiming](Started& aStarted) {
+        Unused << aStarted.mFetchEventOpProxyParent->SendPreloadResponseTiming(
+            std::move(aTiming));
+      },
+      [](const Finished&) {});
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult FetchEventOpParent::RecvPreloadResponseEnd(
+    ResponseEndArgs&& aArgs) {
+  AssertIsOnBackgroundThread();
+
+  mState.match(
+      [&aArgs](Pending& aPending) {
+        MOZ_ASSERT(aPending.mEndArgs.isNothing());
+        aPending.mEndArgs = Some(std::move(aArgs));
+      },
+      [&aArgs](Started& aStarted) {
+        Unused << aStarted.mFetchEventOpProxyParent->SendPreloadResponseEnd(
+            std::move(aArgs));
+      },
+      [](const Finished&) {});
+
+  return IPC_OK();
+}
+
+void FetchEventOpParent::ActorDestroy(ActorDestroyReason) {
+  AssertIsOnBackgroundThread();
+}
+
+}  // namespace dom
+}  // namespace mozilla