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-rw-r--r--dom/presentation/PresentationTransportBuilderConstructor.cpp85
1 files changed, 85 insertions, 0 deletions
diff --git a/dom/presentation/PresentationTransportBuilderConstructor.cpp b/dom/presentation/PresentationTransportBuilderConstructor.cpp
new file mode 100644
index 000000000..98177958d
--- /dev/null
+++ b/dom/presentation/PresentationTransportBuilderConstructor.cpp
@@ -0,0 +1,85 @@
+/* -*- 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 "PresentationTransportBuilderConstructor.h"
+
+#include "nsComponentManagerUtils.h"
+#include "nsIPresentationControlChannel.h"
+#include "nsIPresentationSessionTransport.h"
+#include "nsXULAppAPI.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_IMPL_ISUPPORTS(DummyPresentationTransportBuilderConstructor,
+ nsIPresentationTransportBuilderConstructor)
+
+NS_IMETHODIMP
+DummyPresentationTransportBuilderConstructor::CreateTransportBuilder(
+ uint8_t aType,
+ nsIPresentationSessionTransportBuilder** aRetval)
+{
+ MOZ_ASSERT(false, "Unexpected to be invoked.");
+ return NS_OK;
+}
+
+NS_IMPL_ISUPPORTS_INHERITED0(PresentationTransportBuilderConstructor,
+ DummyPresentationTransportBuilderConstructor)
+
+/* static */ already_AddRefed<nsIPresentationTransportBuilderConstructor>
+PresentationTransportBuilderConstructor::Create()
+{
+ nsCOMPtr<nsIPresentationTransportBuilderConstructor> constructor;
+ if (XRE_IsContentProcess()) {
+ constructor = new DummyPresentationTransportBuilderConstructor();
+ } else {
+ constructor = new PresentationTransportBuilderConstructor();
+ }
+
+ return constructor.forget();
+}
+
+NS_IMETHODIMP
+PresentationTransportBuilderConstructor::CreateTransportBuilder(
+ uint8_t aType,
+ nsIPresentationSessionTransportBuilder** aRetval)
+{
+ if (NS_WARN_IF(!aRetval)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ *aRetval = nullptr;
+
+ if (NS_WARN_IF(aType != nsIPresentationChannelDescription::TYPE_TCP &&
+ aType != nsIPresentationChannelDescription::TYPE_DATACHANNEL)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ if (XRE_IsContentProcess()) {
+ MOZ_ASSERT(false,
+ "CreateTransportBuilder can only be invoked in parent process.");
+ return NS_ERROR_FAILURE;
+ }
+
+ nsCOMPtr<nsIPresentationSessionTransportBuilder> builder;
+ if (aType == nsIPresentationChannelDescription::TYPE_TCP) {
+ builder =
+ do_CreateInstance(PRESENTATION_TCP_SESSION_TRANSPORT_CONTRACTID);
+ } else {
+ builder =
+ do_CreateInstance("@mozilla.org/presentation/datachanneltransportbuilder;1");
+ }
+
+ if (NS_WARN_IF(!builder)) {
+ return NS_ERROR_DOM_OPERATION_ERR;
+ }
+
+ builder.forget(aRetval);
+ return NS_OK;
+}
+
+} // namespace dom
+} // namespace mozilla