Add m-esr52 at 52.6.0

1 files changed, 103 insertions, 0 deletions

diff --git a/dom/workers/ServiceWorker.cpp b/dom/workers/ServiceWorker.cpp
new file mode 100644
index 000000000..6a6995d59
--- /dev/null
+++ b/dom/workers/ServiceWorker.cpp
@@ -0,0 +1,103 @@
+/* -*- 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 "ServiceWorker.h"
+
+#include "nsIDocument.h"
+#include "nsPIDOMWindow.h"
+#include "ServiceWorkerClient.h"
+#include "ServiceWorkerManager.h"
+#include "ServiceWorkerPrivate.h"
+#include "WorkerPrivate.h"
+
+#include "mozilla/Preferences.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/dom/ServiceWorkerGlobalScopeBinding.h"
+
+#ifdef XP_WIN
+#undef PostMessage
+#endif
+
+using mozilla::ErrorResult;
+using namespace mozilla::dom;
+
+namespace mozilla {
+namespace dom {
+namespace workers {
+
+bool
+ServiceWorkerVisible(JSContext* aCx, JSObject* aObj)
+{
+  if (NS_IsMainThread()) {
+    return Preferences::GetBool("dom.serviceWorkers.enabled", false);
+  }
+
+  return IS_INSTANCE_OF(ServiceWorkerGlobalScope, aObj);
+}
+
+ServiceWorker::ServiceWorker(nsPIDOMWindowInner* aWindow,
+                             ServiceWorkerInfo* aInfo)
+  : DOMEventTargetHelper(aWindow),
+    mInfo(aInfo)
+{
+  AssertIsOnMainThread();
+  MOZ_ASSERT(aInfo);
+
+  // This will update our state too.
+  mInfo->AppendWorker(this);
+}
+
+ServiceWorker::~ServiceWorker()
+{
+  AssertIsOnMainThread();
+  mInfo->RemoveWorker(this);
+}
+
+NS_IMPL_ADDREF_INHERITED(ServiceWorker, DOMEventTargetHelper)
+NS_IMPL_RELEASE_INHERITED(ServiceWorker, DOMEventTargetHelper)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(ServiceWorker)
+NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
+
+JSObject*
+ServiceWorker::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  AssertIsOnMainThread();
+
+  return ServiceWorkerBinding::Wrap(aCx, this, aGivenProto);
+}
+
+void
+ServiceWorker::GetScriptURL(nsString& aURL) const
+{
+  CopyUTF8toUTF16(mInfo->ScriptSpec(), aURL);
+}
+
+void
+ServiceWorker::PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
+                           const Optional<Sequence<JS::Value>>& aTransferable,
+                           ErrorResult& aRv)
+{
+  if (State() == ServiceWorkerState::Redundant) {
+    aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+    return;
+  }
+
+  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(GetParentObject());
+  if (!window || !window->GetExtantDoc()) {
+    NS_WARNING("Trying to call post message from an invalid dom object.");
+    aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+    return;
+  }
+
+  UniquePtr<ServiceWorkerClientInfo> clientInfo(new ServiceWorkerClientInfo(window->GetExtantDoc()));
+  ServiceWorkerPrivate* workerPrivate = mInfo->WorkerPrivate();
+  aRv = workerPrivate->SendMessageEvent(aCx, aMessage, aTransferable, Move(clientInfo));
+}
+
+} // namespace workers
+} // namespace dom
+} // namespace mozilla