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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 "VRGPUParent.h"

#include "mozilla/ipc/ProcessChild.h"


namespace mozilla {
namespace gfx {

using namespace ipc;


VRGPUParent::VRGPUParent(ProcessId aChildProcessId)
{
  MOZ_COUNT_CTOR(VRGPUParent);
  MOZ_ASSERT(NS_IsMainThread());

  SetOtherProcessId(aChildProcessId);
}

void
VRGPUParent::ActorDestroy(ActorDestroyReason aWhy)
{
#if defined(XP_WIN) || defined(XP_MACOSX) || (defined(XP_LINUX) && !defined(MOZ_WIDGET_ANDROID))
  if (mVRService) {
    mVRService->Stop();
    mVRService = nullptr;
  }
#endif

  MessageLoop::current()->PostTask(
  NewRunnableMethod("gfx::VRGPUParent::DeferredDestroy",
                    this,
                    &VRGPUParent::DeferredDestroy));
}

void
VRGPUParent::DeferredDestroy()
{
  mSelfRef = nullptr;
}

/* static */ RefPtr<VRGPUParent>
VRGPUParent::CreateForGPU(Endpoint<PVRGPUParent>&& aEndpoint)
{
  RefPtr<VRGPUParent> vcp = new VRGPUParent(aEndpoint.OtherPid());
  MessageLoop::current()->PostTask(
    NewRunnableMethod<Endpoint<PVRGPUParent>&&>(
    "gfx::VRGPUParent::Bind",
    vcp,
    &VRGPUParent::Bind,
    std::move(aEndpoint)));

  return vcp;
}

void
VRGPUParent::Bind(Endpoint<PVRGPUParent>&& aEndpoint)
{
  if (!aEndpoint.Bind(this)) {
    return;
  }

  mSelfRef = this;
}

mozilla::ipc::IPCResult
VRGPUParent::RecvStartVRService()
{
#if defined(XP_WIN) || defined(XP_MACOSX) || (defined(XP_LINUX) && !defined(MOZ_WIDGET_ANDROID))
  mVRService = VRService::Create();
  MOZ_ASSERT(mVRService);

  mVRService->Start();
#endif

  return IPC_OK();
}

mozilla::ipc::IPCResult
VRGPUParent::RecvStopVRService()
{
#if defined(XP_WIN) || defined(XP_MACOSX) || (defined(XP_LINUX) && !defined(MOZ_WIDGET_ANDROID))
  if (mVRService) {
    mVRService->Stop();
    mVRService = nullptr;
  }
#endif

  return IPC_OK();
}

} // namespace gfx
} // namespace mozilla