mirror of
https://github.com/arcan1s/awesome-widgets.git
synced 2025-04-24 15:37:23 +00:00
264 lines
8.8 KiB
C++
264 lines
8.8 KiB
C++
/***************************************************************************
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* This file is part of awesome-widgets *
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* *
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* awesome-widgets is free software: you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* awesome-widgets is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with awesome-widgets. If not, see http://www.gnu.org/licenses/ *
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***************************************************************************/
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#include "batterysource.h"
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#include <QDir>
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#include <cmath>
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#include "awdebug.h"
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BatterySource::BatterySource(QObject *_parent, const QStringList &_args)
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: AbstractExtSysMonSource(_parent, _args)
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{
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Q_ASSERT(_args.count() == 1);
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qCDebug(LOG_ESS) << __PRETTY_FUNCTION__;
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m_acpiPath = _args.at(0);
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m_sources = getSources();
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}
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BatterySource::~BatterySource()
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{
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qCDebug(LOG_ESS) << __PRETTY_FUNCTION__;
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}
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QStringList BatterySource::getSources()
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{
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QStringList sources;
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sources.append("battery/ac");
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sources.append("battery/bat");
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sources.append("battery/batleft");
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sources.append("battery/batnow");
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sources.append("battery/batrate");
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sources.append("battery/battotal");
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auto directory = QDir(m_acpiPath);
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if (directory.exists()) {
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m_batteriesCount
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= directory.entryList(QStringList({"BAT*"}), QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name).count();
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qCInfo(LOG_ESS) << "Init batteries count as" << m_batteriesCount;
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for (int i = 0; i < m_batteriesCount; i++) {
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sources.append(QString("battery/bat%1").arg(i));
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sources.append(QString("battery/batleft%1").arg(i));
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sources.append(QString("battery/batnow%1").arg(i));
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sources.append(QString("battery/batrate%1").arg(i));
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sources.append(QString("battery/battotal%1").arg(i));
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}
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}
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qCInfo(LOG_ESS) << "Sources list" << sources;
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return sources;
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}
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QVariant BatterySource::data(const QString &_source)
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{
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qCDebug(LOG_ESS) << "Source" << _source;
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if (!m_values.contains(_source))
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run();
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QVariant value = m_values.take(_source);
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return value;
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}
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QVariantMap BatterySource::initialData(const QString &_source) const
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{
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qCDebug(LOG_ESS) << "Source" << _source;
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QVariantMap data;
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if (_source == "battery/ac") {
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data["min"] = false;
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data["max"] = true;
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data["name"] = "Is AC online or not";
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data["type"] = "bool";
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data["units"] = "";
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} else if (_source == "battery/bat") {
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data["min"] = 0;
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data["max"] = 100;
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data["name"] = "Average battery usage";
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data["type"] = "integer";
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data["units"] = "%";
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} else if (_source == "battery/batleft") {
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data["min"] = 0;
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data["max"] = 0;
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data["name"] = "Battery discharge time";
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data["type"] = "integer";
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data["units"] = "s";
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} else if (_source == "battery/batnow") {
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data["min"] = 0;
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data["max"] = 0;
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data["name"] = "Current battery capacity";
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data["type"] = "integer";
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data["units"] = "";
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} else if (_source == "battery/batrate") {
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data["min"] = 0;
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data["max"] = 0;
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data["name"] = "Average battery discharge rate";
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data["type"] = "float";
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data["units"] = "1/s";
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} else if (_source == "battery/battotal") {
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data["min"] = 0;
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data["max"] = 0;
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data["name"] = "Full battery capacity";
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data["type"] = "integer";
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data["units"] = "";
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} else if (_source.startsWith("battery/batleft")) {
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data["min"] = 0;
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data["max"] = 0;
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data["name"] = QString("Battery %1 discharge time").arg(index(_source));
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data["type"] = "integer";
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data["units"] = "s";
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} else if (_source.startsWith("battery/batnow")) {
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data["min"] = 0;
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data["max"] = 0;
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data["name"] = QString("Battery %1 capacity").arg(index(_source));
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data["type"] = "integer";
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data["units"] = "";
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} else if (_source.startsWith("battery/battotal")) {
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data["min"] = 0;
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data["max"] = 0;
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data["name"] = QString("Battery %1 full capacity").arg(index(_source));
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data["type"] = "integer";
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data["units"] = "";
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} else if (_source.startsWith("battery/batrate")) {
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data["min"] = 0;
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data["max"] = 0;
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data["name"] = QString("Battery %1 discharge rate").arg(index(_source));
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data["type"] = "float";
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data["units"] = "1/s";
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} else if (_source.startsWith("battery/bat")) {
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data["min"] = 0;
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data["max"] = 100;
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data["name"] = QString("Battery %1 usage").arg(index(_source));
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data["type"] = "integer";
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data["units"] = "%";
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}
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return data;
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}
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void BatterySource::run()
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{
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// adaptor
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QFile acFile(QString("%1/AC/online").arg(m_acpiPath));
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if (acFile.open(QIODevice::ReadOnly | QIODevice::Text))
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m_values["battery/ac"] = (QString(acFile.readLine()).trimmed().toInt() == 1);
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acFile.close();
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// batteries
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float currentLevel = 0.0, fullLevel = 0.0;
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for (int i = 0; i < m_batteriesCount; i++) {
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// current level
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QFile currentLevelFile(QString("%1/BAT%2/energy_now").arg(m_acpiPath).arg(i));
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if (currentLevelFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
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auto value = QString(currentLevelFile.readLine()).toInt();
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m_trend[i + 1].append(value);
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m_values[QString("battery/batnow%1").arg(i)] = value;
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}
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currentLevelFile.close();
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// total
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QFile fullLevelFile(QString("%1/BAT%2/energy_full").arg(m_acpiPath).arg(i));
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if (fullLevelFile.open(QIODevice::ReadOnly | QIODevice::Text))
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m_values[QString("battery/battotal%1").arg(i)] = QString(fullLevelFile.readLine()).toInt();
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fullLevelFile.close();
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m_values[QString("battery/bat%1").arg(i)]
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= static_cast<int>(100 * m_values[QString("battery/batnow%1").arg(i)].toFloat()
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/ m_values[QString("battery/battotal%1").arg(i)].toFloat());
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// accumulate
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currentLevel += m_values[QString("battery/batnow%1").arg(i)].toFloat();
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fullLevel += m_values[QString("battery/battotal%1").arg(i)].toFloat();
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}
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// total
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m_trend[0].append(static_cast<int>(currentLevel));
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m_values["battery/batnow"] = static_cast<int>(currentLevel);
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m_values["battery/battotal"] = static_cast<int>(fullLevel);
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m_values["battery/bat"] = static_cast<int>(100 * currentLevel / fullLevel);
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calculateRates();
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}
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QStringList BatterySource::sources() const
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{
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return m_sources;
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}
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double BatterySource::approximate(const QList<int> &_trend)
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{
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qCDebug(LOG_ESS) << "Approximate by MSD" << _trend;
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auto count = _trend.count();
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auto sumxy = 0;
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for (int i = 0; i < count; i++)
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sumxy += _trend.at(i) * (i + 1);
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auto sumx = count * (count + 1) / 2;
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auto sumy = std::accumulate(_trend.cbegin(), _trend.cend(), 0);
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auto sumx2 = count * (count + 1) * (2 * count + 1) / 6;
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return (count * sumxy - sumx * sumy) / (count * sumx2 - std::pow(sumx, 2));
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}
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void BatterySource::calculateRates()
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{
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// check if it is first run
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if (!m_timestamp.isValid()) {
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m_timestamp = QDateTime::currentDateTimeUtc();
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return;
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}
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// check time interval
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auto now = QDateTime::currentDateTimeUtc();
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auto interval = m_timestamp.secsTo(now);
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qCDebug(LOG_AW) << interval;
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m_timestamp.swap(now);
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for (int i = 0; i < m_batteriesCount; i++) {
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auto approx = approximate(m_trend[i + 1]);
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m_values[QString("battery/batrate%1").arg(i)] = approx / interval;
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m_values[QString("battery/batleft%1").arg(i)]
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= interval * m_values[QString("battery/batnow%1").arg(i)].toFloat() / approx;
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}
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// total
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auto approx = approximate(m_trend[0]);
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m_values["battery/batrate"] = approx / interval;
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m_values["battery/batleft"] = interval * m_values["battery/batnow"].toFloat() / approx;
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// old data cleanup
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for (auto &trend : m_trend.keys()) {
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if (m_trend[trend].count() <= TREND_LIMIT)
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continue;
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m_trend[trend].removeFirst();
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}
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}
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