gecko-dev/widget/windows/nsIdleServiceWin.cpp

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
 */
/* 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 "nsIdleServiceWin.h"
#include <windows.h>

bool nsIdleServiceWin::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;
}

bool nsIdleServiceWin::UsePollMode() { return true; }