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/* -*- 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;
}
/* 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
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