141 lines
5.2 KiB
C++
141 lines
5.2 KiB
C++
/**
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* SPDX-FileCopyrightText: 2013 Albert Vaca <albertvaka@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
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*/
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#include "batteryplugin.h"
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#include <KLocalizedString>
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#include <KPluginFactory>
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#include <Solid/Battery>
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#include <Solid/Device>
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#include <Solid/Predicate>
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#include <core/daemon.h>
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#include "plugin_battery_debug.h"
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K_PLUGIN_CLASS_WITH_JSON(BatteryPlugin, "kdeconnect_battery.json")
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BatteryPlugin::BatteryPlugin(QObject *parent, const QVariantList &args)
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: KdeConnectPlugin(parent, args)
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{
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}
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int BatteryPlugin::charge() const
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{
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return m_charge;
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}
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bool BatteryPlugin::isCharging() const
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{
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return m_isCharging;
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}
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void BatteryPlugin::connected()
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{
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// We've just connected. Request battery information from the remote device...
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NetworkPacket np(PACKET_TYPE_BATTERY_REQUEST, {{QStringLiteral("request"), true}});
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sendPacket(np);
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// ...and then figure out whether we have any batteries
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const auto batteryDevice = Solid::DeviceInterface::Type::Battery;
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const auto primary = Solid::Battery::BatteryType::PrimaryBattery;
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QList<Solid::Device> batteries = Solid::Device::listFromQuery(Solid::Predicate(batteryDevice, QStringLiteral("type"), primary));
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if (batteries.isEmpty()) {
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qCWarning(KDECONNECT_PLUGIN_BATTERY) << "No Primary Battery detected on this system. This may be a bug.";
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QList<Solid::Device> allBatteries = Solid::Device::listFromType(batteryDevice);
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qCWarning(KDECONNECT_PLUGIN_BATTERY) << "Total quantity of batteries found: " << allBatteries.size();
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return;
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}
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// Ok, there's at least one. Let's assume it will remain attached (for most laptops
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// and desktops, this is a safe assumption).
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const Solid::Battery *chosen = batteries.first().as<Solid::Battery>();
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connect(chosen, &Solid::Battery::chargeStateChanged, this, &BatteryPlugin::slotChargeChanged);
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connect(chosen, &Solid::Battery::chargePercentChanged, this, &BatteryPlugin::slotChargeChanged);
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// Explicitly send the current charge
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slotChargeChanged();
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}
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void BatteryPlugin::slotChargeChanged()
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{
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// Note: the NetworkPacket sent at the end of this method can reflect MULTIPLE batteries.
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// We average the total charge against the total number of batteries, which in practice
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// seems to work out ok.
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bool isAnyBatteryCharging = false;
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int batteryQuantity = 0;
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int cumulativeCharge = 0;
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const auto batteryDevice = Solid::DeviceInterface::Type::Battery;
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const auto primary = Solid::Battery::BatteryType::PrimaryBattery;
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QList<Solid::Device> batteries = Solid::Device::listFromQuery(Solid::Predicate(batteryDevice, QStringLiteral("type"), primary));
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for (auto device : batteries) {
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const Solid::Battery *battery = device.as<Solid::Battery>();
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// Don't look at batteries that can be easily detached
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if (battery->isPowerSupply()) {
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batteryQuantity++;
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cumulativeCharge += battery->chargePercent();
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if (battery->chargeState() == Solid::Battery::ChargeState::Charging) {
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isAnyBatteryCharging = true;
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}
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}
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}
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if (batteryQuantity == 0) {
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qCWarning(KDECONNECT_PLUGIN_BATTERY) << "Primary Battery seems to have been removed. Suspending packets until it is reconnected.";
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return;
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}
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// Load a new Battery object to represent the first device in the list
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Solid::Battery *chosen = batteries.first().as<Solid::Battery>();
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// Prepare an outgoing network packet
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NetworkPacket status(PACKET_TYPE_BATTERY, {{}});
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status.set(QStringLiteral("isCharging"), isAnyBatteryCharging);
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const int charge = cumulativeCharge / batteryQuantity;
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status.set(QStringLiteral("currentCharge"), charge);
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// FIXME: In future, we should consider sending an array of battery objects
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status.set(QStringLiteral("batteryQuantity"), batteryQuantity);
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// We consider the primary battery to be low if it's below 15%
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if (charge <= 15 && chosen->chargeState() == Solid::Battery::ChargeState::Discharging) {
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status.set(QStringLiteral("thresholdEvent"), (int)ThresholdBatteryLow);
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} else {
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status.set(QStringLiteral("thresholdEvent"), (int)ThresholdNone);
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}
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sendPacket(status);
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}
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bool BatteryPlugin::receivePacket(const NetworkPacket &np)
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{
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m_isCharging = np.get<bool>(QStringLiteral("isCharging"), false);
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m_charge = np.get<int>(QStringLiteral("currentCharge"), -1);
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const int thresholdEvent = np.get<int>(QStringLiteral("thresholdEvent"), (int)ThresholdNone);
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Q_EMIT refreshed(m_isCharging, m_charge);
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if (thresholdEvent == ThresholdBatteryLow && !m_isCharging) {
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Daemon::instance()->sendSimpleNotification(QStringLiteral("batteryLow"),
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i18nc("device name: low battery", "%1: Low Battery", device()->name()),
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i18n("Battery at %1%", m_charge),
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QStringLiteral("battery-040"));
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}
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return true;
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}
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QString BatteryPlugin::dbusPath() const
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{
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return QStringLiteral("/modules/kdeconnect/devices/") + device()->id() + QStringLiteral("/battery");
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}
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#include "batteryplugin.moc"
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