// SPDX-License-Identifier: GPL-3.0-or-later

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea-app.
*
* nymea-app 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 3 of the License, or
* (at your option) any later version.
*
* nymea-app 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 nymea-app. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef RASPBERRYPIHELPER_H
#define RASPBERRYPIHELPER_H

#include <QObject>
#include <QTimer>
#include <QFile>

class QWindow;

class ScreenHelper : public QObject
{
    Q_OBJECT
public:
    explicit ScreenHelper(QObject *parent = nullptr);

    bool active() const;
    int screenTimeout() const;
    void setScreenTimeout(int timeout);

    int screenBrightness() const;
    void setScreenBrightness(int percent);

    bool eventFilter(QObject *watched, QEvent *event) override;

private slots:
    void screenOn();
    void screenOff();
    void dimScreen();

    void applyBrightness(int percent);

private:
    QTimer m_screenOffTimer;
    QTimer m_screenDimTimer;
    QFile m_powerFile;
    QFile m_brightnessFile;

    QList<QWindow*> m_watchedWindows;

    bool m_cursorHidden = false;

    int m_maxBrightness = -1;
    int m_currentBrightness = 255;
};

#endif // RASPBERRYPIHELPER_H