Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "PresentationTransportBuilderConstructor.h"
       8             : 
       9             : #include "nsComponentManagerUtils.h"
      10             : #include "nsIPresentationControlChannel.h"
      11             : #include "nsIPresentationSessionTransport.h"
      12             : #include "nsXULAppAPI.h"
      13             : 
      14             : namespace mozilla {
      15             : namespace dom {
      16             : 
      17           0 : NS_IMPL_ISUPPORTS(DummyPresentationTransportBuilderConstructor,
      18             :                   nsIPresentationTransportBuilderConstructor)
      19             : 
      20             : NS_IMETHODIMP
      21           0 : DummyPresentationTransportBuilderConstructor::CreateTransportBuilder(
      22             :                               uint8_t aType,
      23             :                               nsIPresentationSessionTransportBuilder** aRetval)
      24             : {
      25           0 :   MOZ_ASSERT(false, "Unexpected to be invoked.");
      26             :   return NS_OK;
      27             : }
      28             : 
      29           0 : NS_IMPL_ISUPPORTS_INHERITED0(PresentationTransportBuilderConstructor,
      30             :                              DummyPresentationTransportBuilderConstructor)
      31             : 
      32             : /* static */ already_AddRefed<nsIPresentationTransportBuilderConstructor>
      33           0 : PresentationTransportBuilderConstructor::Create()
      34             : {
      35           0 :   nsCOMPtr<nsIPresentationTransportBuilderConstructor> constructor;
      36           0 :   if (XRE_IsContentProcess()) {
      37           0 :     constructor = new DummyPresentationTransportBuilderConstructor();
      38             :   } else {
      39           0 :     constructor = new PresentationTransportBuilderConstructor();
      40             :   }
      41             : 
      42           0 :   return constructor.forget();
      43             : }
      44             : 
      45             : NS_IMETHODIMP
      46           0 : PresentationTransportBuilderConstructor::CreateTransportBuilder(
      47             :                               uint8_t aType,
      48             :                               nsIPresentationSessionTransportBuilder** aRetval)
      49             : {
      50           0 :   if (NS_WARN_IF(!aRetval)) {
      51           0 :     return NS_ERROR_INVALID_ARG;
      52             :   }
      53             : 
      54           0 :   *aRetval = nullptr;
      55             : 
      56           0 :   if (NS_WARN_IF(aType != nsIPresentationChannelDescription::TYPE_TCP &&
      57             :                  aType != nsIPresentationChannelDescription::TYPE_DATACHANNEL)) {
      58           0 :     return NS_ERROR_INVALID_ARG;
      59             :   }
      60             : 
      61           0 :   if (XRE_IsContentProcess()) {
      62           0 :     MOZ_ASSERT(false,
      63             :                "CreateTransportBuilder can only be invoked in parent process.");
      64             :     return NS_ERROR_FAILURE;
      65             :   }
      66             : 
      67           0 :   nsCOMPtr<nsIPresentationSessionTransportBuilder> builder;
      68           0 :   if (aType == nsIPresentationChannelDescription::TYPE_TCP) {
      69             :     builder =
      70           0 :       do_CreateInstance(PRESENTATION_TCP_SESSION_TRANSPORT_CONTRACTID);
      71             :   } else {
      72             :     builder =
      73           0 :       do_CreateInstance("@mozilla.org/presentation/datachanneltransportbuilder;1");
      74             :   }
      75             : 
      76           0 :   if (NS_WARN_IF(!builder)) {
      77           0 :     return NS_ERROR_DOM_OPERATION_ERR;
      78             :   }
      79             : 
      80           0 :   builder.forget(aRetval);
      81           0 :   return NS_OK;
      82             : }
      83             : 
      84             : } // namespace dom
      85             : } // namespace mozilla