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/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=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 "DCPresentationChannelDescription.h"
#include "nsComponentManagerUtils.h"
#include "nsGlobalWindow.h"
#include "PresentationBuilderChild.h"
#include "PresentationIPCService.h"
#include "nsServiceManagerUtils.h"
#include "mozilla/Unused.h"
namespace mozilla {
namespace dom {
NS_IMPL_ISUPPORTS(PresentationBuilderChild,
nsIPresentationSessionTransportBuilderListener)
PresentationBuilderChild::PresentationBuilderChild(const nsString& aSessionId,
uint8_t aRole)
: mSessionId(aSessionId)
, mRole(aRole)
{
}
nsresult PresentationBuilderChild::Init()
{
mBuilder = do_CreateInstance("@mozilla.org/presentation/datachanneltransportbuilder;1");
if (NS_WARN_IF(!mBuilder)) {
return NS_ERROR_NOT_AVAILABLE;
}
uint64_t windowId = 0;
nsCOMPtr<nsIPresentationService> service =
do_GetService(PRESENTATION_SERVICE_CONTRACTID);
if (NS_WARN_IF(!service)) {
return NS_ERROR_NOT_AVAILABLE;
}
if (NS_WARN_IF(NS_FAILED(service->GetWindowIdBySessionId(
mSessionId,
mRole,
&windowId)))) {
return NS_ERROR_NOT_AVAILABLE;
}
nsPIDOMWindowInner* window = nsGlobalWindow::GetInnerWindowWithId(windowId)->AsInner();
if (NS_WARN_IF(!window)) {
return NS_ERROR_NOT_AVAILABLE;
}
return mBuilder->BuildDataChannelTransport(mRole, window, this);
}
void
PresentationBuilderChild::ActorDestroy(ActorDestroyReason aWhy)
{
mBuilder = nullptr;
mActorDestroyed = true;
}
bool
PresentationBuilderChild::RecvOnOffer(const nsString& aSDP)
{
if (NS_WARN_IF(!mBuilder)) {
return false;
}
RefPtr<DCPresentationChannelDescription> description =
new DCPresentationChannelDescription(aSDP);
if (NS_WARN_IF(NS_FAILED(mBuilder->OnOffer(description)))) {
return false;
}
return true;
}
bool
PresentationBuilderChild::RecvOnAnswer(const nsString& aSDP)
{
if (NS_WARN_IF(!mBuilder)) {
return false;
}
RefPtr<DCPresentationChannelDescription> description =
new DCPresentationChannelDescription(aSDP);
if (NS_WARN_IF(NS_FAILED(mBuilder->OnAnswer(description)))) {
return false;
}
return true;
}
bool
PresentationBuilderChild::RecvOnIceCandidate(const nsString& aCandidate)
{
if (NS_WARN_IF(mBuilder && NS_FAILED(mBuilder->OnIceCandidate(aCandidate)))) {
return false;
}
return true;
}
// nsPresentationSessionTransportBuilderListener
NS_IMETHODIMP
PresentationBuilderChild::OnSessionTransport(nsIPresentationSessionTransport* aTransport)
{
if (NS_WARN_IF(mActorDestroyed || !SendOnSessionTransport())){
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresentationService> service =
do_GetService(PRESENTATION_SERVICE_CONTRACTID);
NS_WARNING_ASSERTION(service, "no presentation service");
if (service) {
Unused << NS_WARN_IF(NS_FAILED(static_cast<PresentationIPCService*>(service.get())->
NotifySessionTransport(mSessionId, mRole, aTransport)));
}
mBuilder = nullptr;
return NS_OK;
}
NS_IMETHODIMP
PresentationBuilderChild::OnError(nsresult reason)
{
mBuilder = nullptr;
if (NS_WARN_IF(mActorDestroyed || !SendOnSessionTransportError(reason))){
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
PresentationBuilderChild::SendOffer(nsIPresentationChannelDescription* aOffer)
{
nsAutoString SDP;
nsresult rv = aOffer->GetDataChannelSDP(SDP);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (NS_WARN_IF(mActorDestroyed || !SendSendOffer(SDP))){
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
PresentationBuilderChild::SendAnswer(nsIPresentationChannelDescription* aAnswer)
{
nsAutoString SDP;
nsresult rv = aAnswer->GetDataChannelSDP(SDP);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (NS_WARN_IF(mActorDestroyed || !SendSendAnswer(SDP))){
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
PresentationBuilderChild::SendIceCandidate(const nsAString& candidate)
{
if (NS_WARN_IF(mActorDestroyed || !SendSendIceCandidate(nsString(candidate)))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
PresentationBuilderChild::Close(nsresult reason)
{
if (NS_WARN_IF(mActorDestroyed || !SendClose(reason))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
} // namespace dom
} // namespace mozilla
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