/*
 * Bittorrent Client using Qt4 and libtorrent.
 * Copyright (C) 2011  Vladimir Golovnev <glassez@yandex.ru>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 *
 * Contact : chris@qbittorrent.org
 */

#ifndef POWERMANAGEMENTINHIBITOR_H
#define POWERMANAGEMENTINHIBITOR_H

#include <QObject>

class QDBusPendingCallWatcher;

class PowerManagementInhibitor : public QObject
{
    Q_OBJECT

public:
    PowerManagementInhibitor(QObject *parent = 0);
    virtual ~PowerManagementInhibitor();

    void RequestIdle();
    void RequestBusy();

private slots:
    void OnAsyncReply(QDBusPendingCallWatcher *call);

private:
    enum _state
    {
        error,
        idle,
        request_busy,
        busy,
        request_idle
    };

    enum _state m_state;
    enum _state m_intended_state;
    unsigned int m_cookie;

    bool m_use_gsm;
};

#endif // POWERMANAGEMENTINHIBITOR_H