/* -*- 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 "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 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 = nsGlobalWindowInner::GetInnerWindowWithId(windowId); 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; } mozilla::ipc::IPCResult PresentationBuilderChild::RecvOnOffer( const nsString& aSDP) { if (NS_WARN_IF(!mBuilder)) { return IPC_FAIL_NO_REASON(this); } RefPtr description = new DCPresentationChannelDescription(aSDP); if (NS_WARN_IF(NS_FAILED(mBuilder->OnOffer(description)))) { return IPC_FAIL_NO_REASON(this); } return IPC_OK(); } mozilla::ipc::IPCResult PresentationBuilderChild::RecvOnAnswer( const nsString& aSDP) { if (NS_WARN_IF(!mBuilder)) { return IPC_FAIL_NO_REASON(this); } RefPtr description = new DCPresentationChannelDescription(aSDP); if (NS_WARN_IF(NS_FAILED(mBuilder->OnAnswer(description)))) { return IPC_FAIL_NO_REASON(this); } return IPC_OK(); } mozilla::ipc::IPCResult PresentationBuilderChild::RecvOnIceCandidate( const nsString& aCandidate) { if (NS_WARN_IF(mBuilder && NS_FAILED(mBuilder->OnIceCandidate(aCandidate)))) { return IPC_FAIL_NO_REASON(this); } return IPC_OK(); } // nsPresentationSessionTransportBuilderListener NS_IMETHODIMP PresentationBuilderChild::OnSessionTransport( nsIPresentationSessionTransport* aTransport) { if (NS_WARN_IF(mActorDestroyed || !SendOnSessionTransport())) { return NS_ERROR_FAILURE; } nsCOMPtr service = do_GetService(PRESENTATION_SERVICE_CONTRACTID); NS_WARNING_ASSERTION(service, "no presentation service"); if (service) { Unused << NS_WARN_IF( NS_FAILED(static_cast(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