nsUserIdleServiceWin.cpp

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/* 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 "nsUserIdleServiceWin.h"

#include <windows.h>

bool nsUserIdleServiceWin::PollIdleTime(uint32_t* aIdleTime) {

  LASTINPUTINFO inputInfo;

  inputInfo.cbSize = sizeof(inputInfo);

  if (!::GetLastInputInfo(&inputInfo)) return false;

  *aIdleTime =

      SAFE_COMPARE_EVEN_WITH_WRAPPING(GetTickCount(), inputInfo.dwTime);

  return true;