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/* This file is part of the KDE project
SPDX-FileCopyrightText: 2006 Kevin Ottens <ervin@kde.org>
SPDX-FileCopyrightText: 2008-2010 Dario Freddi <drf@kde.org>
SPDX-FileCopyrightText: 2010 Alejandro Fiestas <alex@eyeos.org>
SPDX-FileCopyrightText: 2010-2013 Lukáš Tinkl <ltinkl@redhat.com>
SPDX-FileCopyrightText: 2015 Kai Uwe Broulik <kde@privat.broulik.de>
SPDX-License-Identifier: LGPL-2.0-only
*/
#pragma once
#include <QDBusObjectPath>
#include <QObject>
#include "powerdevilcore_export.h"
#include "upower_interface.h"
#include "upowerdevice.h"
class POWERDEVILCORE_EXPORT BatteryController : public QObject
{
Q_OBJECT
public:
explicit BatteryController();
/**
* This enum type defines the different states of the AC adapter.
*
* - UnknownAcAdapterState: The AC adapter has an unknown state
* - Plugged: The AC adapter is plugged
* - Unplugged: The AC adapter is unplugged
*/
enum AcAdapterState {
UnknownAcAdapterState,
Plugged,
Unplugged,
};
Q_ENUM(AcAdapterState)
/**
* Retrieves the current state of the system AC adapter.
*
* @return the current AC adapter state
* @see BatteryController::AcAdapterState
*/
AcAdapterState acAdapterState() const;
/**
* Retrieves the current estimated remaining time of the system batteries
*
* @return the current global estimated remaining time in milliseconds
*/
qulonglong batteryRemainingTime() const;
/**
* Retrieves the current estimated remaining time of the system batteries,
* with exponential moving average filter applied to the history records.
*
* @return the current global estimated remaining time in milliseconds
*/
qulonglong smoothedBatteryRemainingTime() const;
Q_SIGNALS:
/**
* This signal is emitted when the AC adapter is plugged or unplugged.
*
* @param newState the new state of the AC adapter, it's one of the
* type @see PowerDevil::BackendInterface::AcAdapterState
*/
void acAdapterStateChanged(BatteryController::AcAdapterState newState);
/**
* This signal is emitted when the estimated battery remaining time changes.
*
* @param time the new remaining time
*/
void batteryRemainingTimeChanged(qulonglong time);
/**
* This signal is emitted when the estimated battery remaining time changes.
*
* @param time the new remaining time
*/
void smoothedBatteryRemainingTimeChanged(qulonglong time);
private:
void addDevice(const QString &);
void setBatteryRate(const double rate, qulonglong timestamp);
private Q_SLOTS:
void onPropertiesChanged(const QString &ifaceName, const QVariantMap &changedProps, const QStringList &invalidatedProps);
void updateDeviceProps();
void slotDeviceAdded(const QDBusObjectPath &path);
void slotDeviceRemoved(const QDBusObjectPath &path);
private:
// upower devices
std::map<QString, std::unique_ptr<UPowerDevice>> m_devices;
std::unique_ptr<UPowerDevice> m_displayDevice = nullptr;
OrgFreedesktopUPowerInterface *m_upowerInterface;
bool m_onBattery = false;
AcAdapterState m_acAdapterState = UnknownAcAdapterState;
qulonglong m_batteryRemainingTime = 0;
qulonglong m_smoothedBatteryRemainingTime = 0;
qulonglong m_lastRateTimestamp = 0;
double m_batteryEnergyFull = 0;
double m_batteryEnergy = 0;
double m_smoothedBatteryDischargeRate = 0;
};
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