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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 "IdleRequest.h"

#include "mozilla/TimeStamp.h"
#include "mozilla/dom/IdleDeadline.h"
#include "mozilla/dom/PerformanceTiming.h"
#include "mozilla/dom/TimeoutManager.h"
#include "mozilla/dom/WindowBinding.h"
#include "nsComponentManagerUtils.h"
#include "nsGlobalWindow.h"
#include "nsISupportsPrimitives.h"
#include "nsPIDOMWindow.h"

namespace mozilla {
namespace dom {

IdleRequest::IdleRequest(IdleRequestCallback* aCallback, uint32_t aHandle)
  : mCallback(aCallback)
  , mHandle(aHandle)
  , mTimeoutHandle(Nothing())
{
  MOZ_DIAGNOSTIC_ASSERT(mCallback);
}

IdleRequest::~IdleRequest()
{
}

NS_IMPL_CYCLE_COLLECTION(IdleRequest, mCallback)

NS_IMPL_CYCLE_COLLECTING_ADDREF(IdleRequest)
NS_IMPL_CYCLE_COLLECTING_RELEASE(IdleRequest)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IdleRequest)
NS_INTERFACE_MAP_END

void
IdleRequest::SetTimeoutHandle(int32_t aHandle)
{
  mTimeoutHandle = Some(aHandle);
}

uint32_t
IdleRequest::GetTimeoutHandle() const
{
  MOZ_DIAGNOSTIC_ASSERT(mTimeoutHandle.isSome());
  return mTimeoutHandle.value();
}

nsresult
IdleRequest::IdleRun(nsPIDOMWindowInner* aWindow,
                     DOMHighResTimeStamp aDeadline,
                     bool aDidTimeout)
{
  MOZ_ASSERT(NS_IsMainThread());
  MOZ_DIAGNOSTIC_ASSERT(mCallback);

  ErrorResult error;
  RefPtr<IdleDeadline> deadline =
    new IdleDeadline(aWindow, aDidTimeout, aDeadline);
  mCallback->Call(*deadline, error, "requestIdleCallback handler");

  mCallback = nullptr;
  error.SuppressException();
  return error.StealNSResult();
}

} // namespace dom
} // namespace mozilla