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

0001 /*  This file is part of the KDE project
0002  *    SPDX-FileCopyrightText: 2010 Lukas Tinkl <ltinkl@redhat.com>
0003  *
0004  *    SPDX-License-Identifier: LGPL-2.0-only
0005  *
0006  */
0007 
0008 #pragma once
0009 
0010 #include <QObject>
0011 #include <QVariantAnimation>
0012 
0013 #include <KAuth/ActionReply>
0014 #include <KAuth/HelperSupport>
0015 #include <kauth_version.h>
0016 
0017 using namespace KAuth;
0018 
0019 class BacklightHelper : public QObject
0020 {
0021     Q_OBJECT
0022 public:
0023     explicit BacklightHelper(QObject *parent = nullptr);
0024 
0025 public Q_SLOTS:
0026     ActionReply brightness(const QVariantMap &args);
0027     ActionReply brightnessmax(const QVariantMap &args);
0028     ActionReply setbrightness(const QVariantMap &args);
0029     ActionReply syspath(const QVariantMap &args);
0030 
0031 private:
0032     void init();
0033 
0034     int readBrightness() const;
0035     bool writeBrightness(int brightness) const;
0036 
0037     int readFromDevice(const QString &device, const QString &property) const;
0038     bool writeToDevice(const QString &device, int brightness) const;
0039 
0040     /**
0041      * The kernel offer from version 2.6.37 the type of the interface, and based on that
0042      * we can decide which interface is better for us, being the order
0043      * firmware-platform-raw
0044      */
0045     void initUsingBacklightType();
0046     QStringList getBacklightTypeDevices() const;
0047 
0048     bool m_isSupported = false;
0049     QString m_sysctlDevice;
0050     QList<int> m_sysctlBrightnessLevels;
0051     QList<QPair<QString /*device path*/, int /*max brightness*/>> m_devices;
0052 
0053     QVariantAnimation m_anim;
0054 };