deskflow/src/lib/platform/XWindowsPowerManager.cpp

/*
 * Deskflow -- mouse and keyboard sharing utility
 * Copyright (C) 2012-2016 Symless Ltd.
 * Copyright (C) 2002 Chris Schoeneman
 *
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file LICENSE that should have accompanied this file.
 *
 * This package is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "XWindowsPowerManager.h"
#include "arch/Arch.h"
#include "base/Log.h"

namespace {

bool sleepInhibitCall(bool state, ArchSystemUnix::InhibitScreenServices serviceID)
{
  std::string error;

  if (!ArchSystemUnix::DBusInhibitScreenCall(serviceID, state, error)) {
    LOG((CLOG_DEBUG "dbus inhibit error %s", error.c_str()));
    return false;
  }

  return true;
}

} // namespace

XWindowsPowerManager::~XWindowsPowerManager()
{
  enableSleep();
}

void XWindowsPowerManager::disableSleep() const
{
  if (!sleepInhibitCall(true, ArchSystemUnix::InhibitScreenServices::kScreenSaver) &&
      !sleepInhibitCall(true, ArchSystemUnix::InhibitScreenServices::kSessionManager)) {
    LOG((CLOG_INFO "failed to prevent system from going to sleep"));
  }
}

void XWindowsPowerManager::enableSleep() const
{
  if (!sleepInhibitCall(false, ArchSystemUnix::InhibitScreenServices::kScreenSaver) &&
      !sleepInhibitCall(false, ArchSystemUnix::InhibitScreenServices::kSessionManager)) {
    LOG((CLOG_INFO "failed to enable system idle sleep"));
  }
}