1 files changed, 106 insertions, 0 deletions
diff --git a/dom/serviceworkers/ServiceWorkerManagerParent.cpp b/dom/serviceworkers/ServiceWorkerManagerParent.cpp
new file mode 100644
index 0000000000..5ed0f4faa8
--- /dev/null
+++ b/dom/serviceworkers/ServiceWorkerManagerParent.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 "ServiceWorkerManagerParent.h"
+#include "ServiceWorkerUtils.h"
+#include "mozilla/dom/ContentParent.h"
+#include "mozilla/dom/ServiceWorkerRegistrar.h"
+#include "mozilla/ipc/BackgroundParent.h"
+#include "mozilla/ipc/BackgroundUtils.h"
+#include "mozilla/Unused.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla {
+
+using namespace ipc;
+
+namespace dom {
+
+ServiceWorkerManagerParent::ServiceWorkerManagerParent() {
+  AssertIsOnBackgroundThread();
+}
+
+ServiceWorkerManagerParent::~ServiceWorkerManagerParent() {
+  AssertIsOnBackgroundThread();
+}
+
+mozilla::ipc::IPCResult ServiceWorkerManagerParent::RecvRegister(
+    const ServiceWorkerRegistrationData& aData) {
+  AssertIsInMainProcess();
+  AssertIsOnBackgroundThread();
+  MOZ_ASSERT(!BackgroundParent::IsOtherProcessActor(Manager()));
+
+  // Basic validation.
+  if (aData.scope().IsEmpty() ||
+      aData.principal().type() == PrincipalInfo::TNullPrincipalInfo ||
+      aData.principal().type() == PrincipalInfo::TSystemPrincipalInfo) {
+    return IPC_FAIL_NO_REASON(this);
+  }
+
+  // If false then we have shutdown during the process of trying to update the
+  // registrar. We can give up on this modification.
+  if (const RefPtr<dom::ServiceWorkerRegistrar> service =
+          dom::ServiceWorkerRegistrar::Get()) {
+    service->RegisterServiceWorker(aData);
+  }
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult ServiceWorkerManagerParent::RecvUnregister(
+    const PrincipalInfo& aPrincipalInfo, const nsString& aScope) {
+  AssertIsInMainProcess();
+  AssertIsOnBackgroundThread();
+  MOZ_ASSERT(!BackgroundParent::IsOtherProcessActor(Manager()));
+
+  // Basic validation.
+  if (aScope.IsEmpty() ||
+      aPrincipalInfo.type() == PrincipalInfo::TNullPrincipalInfo ||
+      aPrincipalInfo.type() == PrincipalInfo::TSystemPrincipalInfo) {
+    return IPC_FAIL_NO_REASON(this);
+  }
+
+  // If false then we have shutdown during the process of trying to update the
+  // registrar. We can give up on this modification.
+  if (const RefPtr<dom::ServiceWorkerRegistrar> service =
+          dom::ServiceWorkerRegistrar::Get()) {
+    service->UnregisterServiceWorker(aPrincipalInfo,
+                                     NS_ConvertUTF16toUTF8(aScope));
+  }
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult ServiceWorkerManagerParent::RecvPropagateUnregister(
+    const PrincipalInfo& aPrincipalInfo, const nsString& aScope) {
+  AssertIsOnBackgroundThread();
+
+  RefPtr<dom::ServiceWorkerRegistrar> service =
+      dom::ServiceWorkerRegistrar::Get();
+  MOZ_ASSERT(service);
+
+  // It's possible that we don't have any ServiceWorkerManager managing this
+  // scope but we still need to unregister it from the ServiceWorkerRegistrar.
+  service->UnregisterServiceWorker(aPrincipalInfo,
+                                   NS_ConvertUTF16toUTF8(aScope));
+
+  // There is no longer any point to propagating because the only sender is the
+  // one and only ServiceWorkerManager, but it is necessary for us to have run
+  // the unregister call above because until Bug 1183245 is fixed,
+  // nsIServiceWorkerManager.propagateUnregister() is a de facto API for
+  // clearing ServiceWorker registrations by Sanitizer.jsm via
+  // ServiceWorkerCleanUp.jsm, as well as devtools "unregister" affordance and
+  // the no-longer-relevant about:serviceworkers UI.
+
+  return IPC_OK();
+}
+
+void ServiceWorkerManagerParent::ActorDestroy(ActorDestroyReason aWhy) {
+  AssertIsOnBackgroundThread();
+}
+
+}  // namespace dom
+}  // namespace mozilla