/* -*- 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 "AutoTimelineMarker.h"

#include "TimelineConsumers.h"

#include "MainThreadUtils.h"

namespace mozilla {

AutoTimelineMarker::AutoTimelineMarker(nsIDocShell* aDocShell, const char* aName

                                       MOZ_GUARD_OBJECT_NOTIFIER_PARAM_IN_IMPL)

  : mName(aName)

  , mDocShell(nullptr)

{

  MOZ_GUARD_OBJECT_NOTIFIER_INIT;

  MOZ_ASSERT(NS_IsMainThread());

  if (!aDocShell) {

    return;

  }

  RefPtr<TimelineConsumers> timelines = TimelineConsumers::Get();

  if (!timelines || !timelines->HasConsumer(aDocShell)) {

    return;

  }

  mDocShell = aDocShell;

  timelines->AddMarkerForDocShell(mDocShell, mName, MarkerTracingType::START);

}

AutoTimelineMarker::~AutoTimelineMarker()

{

  MOZ_ASSERT(NS_IsMainThread());

  if (!mDocShell) {

    return;

  }

  RefPtr<TimelineConsumers> timelines = TimelineConsumers::Get();

  if (!timelines || !timelines->HasConsumer(mDocShell)) {

    return;

  }

  timelines->AddMarkerForDocShell(mDocShell, mName, MarkerTracingType::END);

}

} // namespace mozilla