dkbdbacklight.h

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// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#pragma once
 
#include <qobject.h>
#include <qscopedpointer.h>
#include <dexpected.h>
 
#include "dtkpower_global.h"
 
DPOWER_BEGIN_NAMESPACE
using DCORE_NAMESPACE::DExpected;
 
class DKbdBacklightPrivate;
enum class KbdSource;
 
class DKbdBacklight : public QObject
{
    Q_OBJECT
public:
    virtual ~DKbdBacklight();
 
signals:
    void brightnessChanged(const qint32 value);
    void brightnessChangedWithSource(const qint32 value, const KbdSource &source);
 
public slots:
    DExpected<qint32> brightness() const;
    DExpected<qint32> maxBrightness() const;
    DExpected<void> setBrightness(const qint32 value);
 
private:
    QScopedPointer<DKbdBacklightPrivate> d_ptr;
    Q_DECLARE_PRIVATE(DKbdBacklight)
 
    explicit DKbdBacklight(QObject *parent = nullptr);
    Q_DISABLE_COPY(DKbdBacklight)
 
    friend class DPowerManager;
};
 
DPOWER_END_NAMESPACE