/* -*- 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 "nsServiceManagerUtils.h"
#include "PresentationContentSessionInfo.h"
#include "PresentationIPCService.h"

namespace mozilla {
namespace dom {

NS_IMPL_ISUPPORTS(PresentationContentSessionInfo,
                  nsIPresentationSessionTransportCallback);

nsresult PresentationContentSessionInfo::Init() {
  if (NS_WARN_IF(NS_FAILED(mTransport->SetCallback(this)))) {
    return NS_ERROR_NOT_AVAILABLE;
  }
  if (NS_WARN_IF(NS_FAILED(mTransport->EnableDataNotification()))) {
    return NS_ERROR_NOT_AVAILABLE;
  }
  return NS_OK;
}

nsresult PresentationContentSessionInfo::Send(const nsAString& aData) {
  if (!mTransport) {
    return NS_ERROR_NOT_AVAILABLE;
  }

  return mTransport->Send(aData);
}

nsresult PresentationContentSessionInfo::SendBinaryMsg(
    const nsACString& aData) {
  if (NS_WARN_IF(!mTransport)) {
    return NS_ERROR_NOT_AVAILABLE;
  }

  return mTransport->SendBinaryMsg(aData);
}

nsresult PresentationContentSessionInfo::SendBlob(Blob* aBlob) {
  if (NS_WARN_IF(!mTransport)) {
    return NS_ERROR_NOT_AVAILABLE;
  }

  return mTransport->SendBlob(aBlob);
}

nsresult PresentationContentSessionInfo::Close(nsresult aReason) {
  if (!mTransport) {
    return NS_ERROR_NOT_AVAILABLE;
  }

  return mTransport->Close(aReason);
}

// nsIPresentationSessionTransportCallback
NS_IMETHODIMP
PresentationContentSessionInfo::NotifyTransportReady() {
  // do nothing since |onSessionTransport| implies this
  return NS_OK;
}

NS_IMETHODIMP
PresentationContentSessionInfo::NotifyTransportClosed(nsresult aReason) {
  MOZ_ASSERT(NS_IsMainThread());

  // Nullify |mTransport| here so it won't try to re-close |mTransport| in
  // potential subsequent |Shutdown| calls.
  mTransport = nullptr;
  nsCOMPtr<nsIPresentationService> service =
      do_GetService(PRESENTATION_SERVICE_CONTRACTID);
  if (NS_WARN_IF(!service)) {
    return NS_ERROR_NOT_AVAILABLE;
  }
  return static_cast<PresentationIPCService*>(service.get())
      ->NotifyTransportClosed(mSessionId, mRole, aReason);
}

NS_IMETHODIMP
PresentationContentSessionInfo::NotifyData(const nsACString& aData,
                                           bool aIsBinary) {
  MOZ_ASSERT(NS_IsMainThread());

  nsCOMPtr<nsIPresentationService> service =
      do_GetService(PRESENTATION_SERVICE_CONTRACTID);
  if (NS_WARN_IF(!service)) {
    return NS_ERROR_NOT_AVAILABLE;
  }
  return static_cast<PresentationIPCService*>(service.get())
      ->NotifyMessage(mSessionId, aData, aIsBinary);
}

}  // namespace dom
}  // namespace mozilla