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-rw-r--r--dom/broadcastchannel/BroadcastChannelParent.cpp102
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