src/gui/powermanagement/powermanagement_x11.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2011  Vladimir Golovnev <glassez@yandex.ru>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #pragma once
  30
  31 #include <QObject>
  32
  33 class QDBusPendingCallWatcher;
  34
  35 class PowerManagementInhibitor : public QObject
  36 {
  37     Q_OBJECT
  38
  39 public:
  40     PowerManagementInhibitor(QObject *parent = nullptr);
  41     virtual ~PowerManagementInhibitor();
  42
  43     void requestIdle();
  44     void requestBusy();
  45
  46 private slots:
  47     void onAsyncReply(QDBusPendingCallWatcher *call);
  48
  49 private:
  50     enum State
  51     {
  52         Error,
  53         Idle,
  54         RequestBusy,
  55         Busy,
  56         RequestIdle
  57     };
  58
  59     enum State m_state;
  60     enum State m_intendedState;
  61     unsigned int m_cookie;
  62
  63     bool m_useGSM;
  64 };