Add m-esr52 at 52.6.0

1 files changed, 102 insertions, 0 deletions

diff --git a/dom/broadcastchannel/BroadcastChannelParent.cpp b/dom/broadcastchannel/BroadcastChannelParent.cpp
new file mode 100644
index 000000000..f26292e1d
--- /dev/null
+++ b/dom/broadcastchannel/BroadcastChannelParent.cpp
@@ -0,0 +1,102 @@
+/* -*- 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 "BroadcastChannelParent.h"
+#include "BroadcastChannelService.h"
+#include "mozilla/dom/File.h"
+#include "mozilla/dom/ipc/BlobParent.h"
+#include "mozilla/ipc/BackgroundParent.h"
+#include "mozilla/Unused.h"
+#include "nsIScriptSecurityManager.h"
+
+namespace mozilla {
+
+using namespace ipc;
+
+namespace dom {
+
+BroadcastChannelParent::BroadcastChannelParent(const nsAString& aOriginChannelKey)
+  : mService(BroadcastChannelService::GetOrCreate())
+  , mOriginChannelKey(aOriginChannelKey)
+{
+  AssertIsOnBackgroundThread();
+  mService->RegisterActor(this, mOriginChannelKey);
+}
+
+BroadcastChannelParent::~BroadcastChannelParent()
+{
+  AssertIsOnBackgroundThread();
+}
+
+bool
+BroadcastChannelParent::RecvPostMessage(const ClonedMessageData& aData)
+{
+  AssertIsOnBackgroundThread();
+
+  if (NS_WARN_IF(!mService)) {
+    return false;
+  }
+
+  mService->PostMessage(this, aData, mOriginChannelKey);
+  return true;
+}
+
+bool
+BroadcastChannelParent::RecvClose()
+{
+  AssertIsOnBackgroundThread();
+
+  if (NS_WARN_IF(!mService)) {
+    return false;
+  }
+
+  mService->UnregisterActor(this, mOriginChannelKey);
+  mService = nullptr;
+
+  Unused << Send__delete__(this);
+
+  return true;
+}
+
+void
+BroadcastChannelParent::ActorDestroy(ActorDestroyReason aWhy)
+{
+  AssertIsOnBackgroundThread();
+
+  if (mService) {
+    // This object is about to be released and with it, also mService will be
+    // released too.
+    mService->UnregisterActor(this, mOriginChannelKey);
+  }
+}
+
+void
+BroadcastChannelParent::Deliver(const ClonedMessageData& aData)
+{
+  AssertIsOnBackgroundThread();
+
+  // Duplicate the data for this parent.
+  ClonedMessageData newData(aData);
+
+  // Create new BlobParent objects for this message.
+  for (uint32_t i = 0, len = newData.blobsParent().Length(); i < len; ++i) {
+    RefPtr<BlobImpl> impl =
+      static_cast<BlobParent*>(newData.blobsParent()[i])->GetBlobImpl();
+
+    PBlobParent* blobParent =
+      BackgroundParent::GetOrCreateActorForBlobImpl(Manager(), impl);
+    if (!blobParent) {
+      return;
+    }
+
+    newData.blobsParent()[i] = blobParent;
+  }
+
+  Unused << SendNotify(newData);
+}
+
+} // namespace dom
+} // namespace mozilla