File indexing completed on 2024-05-12 05:38:44

0001 /*  This file is part of the KDE project
0002     SPDX-FileCopyrightText: 2006 Kevin Ottens <ervin@kde.org>
0003     SPDX-FileCopyrightText: 2008-2010 Dario Freddi <drf@kde.org>
0004     SPDX-FileCopyrightText: 2010 Alejandro Fiestas <alex@eyeos.org>
0005     SPDX-FileCopyrightText: 2015 Kai Uwe Broulik <kde@privat.broulik.de>
0006 
0007     SPDX-License-Identifier: LGPL-2.0-only
0008 
0009  */
0010 
0011 #pragma once
0012 
0013 #include <QObject>
0014 
0015 #include "powerdevilcore_export.h"
0016 #include "powerdevilenums.h"
0017 #include "powerdevilkeyboardbrightnesslogic.h"
0018 #include "upower_kbdbacklight_interface.h"
0019 
0020 class POWERDEVILCORE_EXPORT KeyboardBrightnessController : public QObject
0021 {
0022     Q_OBJECT
0023 public:
0024     KeyboardBrightnessController();
0025 
0026     int keyboardBrightness() const;
0027     int keyboardBrightnessMax() const;
0028     void setKeyboardBrightness(int value);
0029     void setKeyboardBrightnessOff();
0030     bool keyboardBrightnessAvailable() const;
0031     int keyboardBrightnessSteps();
0032 
0033     int keyboardBrightnessKeyPressed(PowerDevil::BrightnessLogic::BrightnessKeyType type);
0034 
0035 Q_SIGNALS:
0036     void keyboardBrightnessChanged(const PowerDevil::BrightnessLogic::BrightnessInfo &brightnessInfo);
0037 
0038 private Q_SLOTS:
0039     void onKeyboardBrightnessChanged(int value, const QString &source);
0040 
0041 private:
0042     int calculateNextKeyboardBrightnessStep(int value, int valueMax, PowerDevil::BrightnessLogic::BrightnessKeyType keyType);
0043 
0044     int m_kbdMaxBrightness;
0045     int m_cachedKeyboardBrightness;
0046     int m_keyboardBrightnessBeforeTogglingOff;
0047     bool m_keyboardBrightnessAvailable = false;
0048 
0049     PowerDevil::KeyboardBrightnessLogic m_keyboardBrightnessLogic;
0050 
0051     OrgFreedesktopUPowerKbdBacklightInterface *m_kbdBacklight;
0052 };