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#include "util/battery/batterywindows.h"
// tell windows we target XP and later
// http://msdn.microsoft.com/en-us/library/windows/desktop/aa372693(v=vs.85).aspx
#define _WIN32_WINNT 0x0400
#include <windows.h>
#include <QDebug>
#include <QString>
BatteryWindows::BatteryWindows(QObject* pParent)
: Battery(pParent) {
}
BatteryWindows::~BatteryWindows() {
}
void BatteryWindows::read() {
m_iMinutesLeft = 0;
m_dPercentage = 0.0;
m_chargingState = Battery::UNKNOWN;
// SYSTEM_POWER_STATUS doc
// http://msdn.microsoft.com/en-us/library/windows/desktop/aa373232(v=vs.85).aspx
SYSTEM_POWER_STATUS spsPwr;
if (GetSystemPowerStatus(&spsPwr)) {
// get rest power of battery
m_dPercentage = static_cast<double>(spsPwr.BatteryLifePercent);
// check for unknown flag and reset to default
if (m_dPercentage == 255) {
m_dPercentage = 0;
}
int batStat = static_cast<int>(spsPwr.BatteryFlag);
if (batStat == 1 || batStat == 2 || batStat == 4) {
m_chargingState = Battery::DISCHARGING;
} else if (batStat == 8) {
m_chargingState = Battery::CHARGING;
}
// I get this directly from the API
if (m_dPercentage > 99) {
m_chargingState = Battery::CHARGED;
}
// windows tells us the remainging time in seconds
m_iMinutesLeft = static_cast<int>(spsPwr.BatteryLifeTime) / 60;
}
// QString bat = "unknown";
// switch (m_chargingState) {
// case Battery::CHARGING:
// bat = "charging";
// break;
// case Battery::DISCHARGING:
// bat = "discharging";
// break;
// case Battery::CHARGED:
// bat = "charged";
// }
// qDebug() << "BatteryWindows::read()"
// << "capacity " << m_dPercentage
// << "minutes_left " << m_iMinutesLeft
// << "battery_status " << bat;
}
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