Add m-esr52 at 52.6.0

1 files changed, 91 insertions, 0 deletions

diff --git a/dom/messagechannel/MessageChannel.cpp b/dom/messagechannel/MessageChannel.cpp
new file mode 100644
index 000000000..a0604ae4a
--- /dev/null
+++ b/dom/messagechannel/MessageChannel.cpp
@@ -0,0 +1,91 @@
+/* -*- 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 "MessageChannel.h"
+
+#include "mozilla/dom/MessageChannelBinding.h"
+#include "mozilla/dom/MessagePort.h"
+#include "mozilla/dom/Navigator.h"
+#include "mozilla/dom/WorkerPrivate.h"
+#include "mozilla/dom/WorkerRunnable.h"
+#include "nsContentUtils.h"
+#include "nsIDocument.h"
+#include "nsIGlobalObject.h"
+#include "nsIPrincipal.h"
+#include "nsServiceManagerUtils.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(MessageChannel, mGlobal, mPort1, mPort2)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(MessageChannel)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(MessageChannel)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MessageChannel)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+MessageChannel::MessageChannel(nsIGlobalObject* aGlobal)
+  : mGlobal(aGlobal)
+{
+  MOZ_ASSERT(aGlobal);
+}
+
+MessageChannel::~MessageChannel()
+{
+}
+
+JSObject*
+MessageChannel::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return MessageChannelBinding::Wrap(aCx, this, aGivenProto);
+}
+
+/* static */ already_AddRefed<MessageChannel>
+MessageChannel::Constructor(const GlobalObject& aGlobal, ErrorResult& aRv)
+{
+  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
+  return Constructor(global, aRv);
+}
+
+/* static */ already_AddRefed<MessageChannel>
+MessageChannel::Constructor(nsIGlobalObject* aGlobal, ErrorResult& aRv)
+{
+  MOZ_ASSERT(aGlobal);
+
+  nsID portUUID1;
+  aRv = nsContentUtils::GenerateUUIDInPlace(portUUID1);
+  if (aRv.Failed()) {
+    return nullptr;
+  }
+
+  nsID portUUID2;
+  aRv = nsContentUtils::GenerateUUIDInPlace(portUUID2);
+  if (aRv.Failed()) {
+    return nullptr;
+  }
+
+  RefPtr<MessageChannel> channel = new MessageChannel(aGlobal);
+
+  channel->mPort1 = MessagePort::Create(aGlobal, portUUID1, portUUID2, aRv);
+  if (NS_WARN_IF(aRv.Failed())) {
+    return nullptr;
+  }
+
+  channel->mPort2 = MessagePort::Create(aGlobal, portUUID2, portUUID1, aRv);
+  if (NS_WARN_IF(aRv.Failed())) {
+    return nullptr;
+  }
+
+  channel->mPort1->UnshippedEntangle(channel->mPort2);
+  channel->mPort2->UnshippedEntangle(channel->mPort1);
+
+  return channel.forget();
+}
+
+} // namespace dom
+} // namespace mozilla