Battery class added

harbour-batterybuddy.pro

@@ -14,7 +14,8 @@ TARGET = harbour-batterybuddy
 
 CONFIG += sailfishapp
 
-SOURCES += src/harbour-batterybuddy.cpp
+SOURCES += src/harbour-batterybuddy.cpp \
+    src/battery.cpp
 
 DISTFILES += qml/harbour-batterybuddy.qml \
     qml/cover/CoverPage.qml \
@@ -38,3 +39,6 @@ CONFIG += sailfishapp_i18n
 # following TRANSLATIONS line. And also do not forget to
 # modify the localized app name in the the .desktop file.
 TRANSLATIONS += translations/harbour-batterybuddy-de.ts
+
+HEADERS += \
+    src/battery.h

src/battery.cpp

@@ -0,0 +1,51 @@
+#include "battery.h"
+
+Battery::Battery(QObject* parent) : QObject(parent)
+{
+    chargeFile = new QFile("/run/state/namespaces/Battery/ChargePercentage"); // Number, meaning percentage, e.g. 42
+    chargingFile = new QFile("/run/state/namespaces/Battery/IsCharging"); // Number, 0 or 1
+
+    // Default values...
+    currentCharge = 100;
+    isCharging = true;
+
+    nextCharge = currentCharge;
+    nextCharging = isCharging;
+
+    this->updateData();
+}
+
+Battery::~Battery()
+{
+
+}
+
+void Battery::updateData()
+{
+    if(chargeFile->open(QIODevice::ReadOnly)) {
+        nextCharge = chargeFile->readAll().toInt();
+        if(nextCharge != currentCharge) {
+            currentCharge = nextCharge;
+            emit chargeChanged();
+        }
+        chargeFile->close();
+    }
+    if(chargingFile->open(QIODevice::ReadOnly)) {
+        nextCharging = (chargingFile->readAll().toInt() == 0 ? false : true);
+        if(nextCharging != isCharging) {
+            isCharging = nextCharging;
+            emit chargingChanged();
+        }
+        chargingFile->close();
+    }
+}
+
+int Battery::getCharge()
+{
+    return currentCharge;
+}
+
+bool Battery::getCharging()
+{
+    return isCharging;
+}

src/battery.h

@@ -0,0 +1,38 @@
+#ifndef BATTERY_H
+#define BATTERY_H
+
+#include <QObject>
+#include <QString>
+#include <QFile>
+
+class Battery : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int  charge    READ getCharge    NOTIFY chargeChanged  )
+    Q_PROPERTY(bool charging  READ getCharging  NOTIFY chargingChanged)
+
+public:
+    Battery(QObject* parent = nullptr);
+    ~Battery();
+
+    int getCharge();
+    bool getCharging();
+
+private:
+    void updateData();
+
+    QFile* chargeFile;
+    QFile* chargingFile;
+
+    int currentCharge;
+    bool isCharging;
+
+    int nextCharge;
+    bool nextCharging;
+
+signals:
+    int chargeChanged();
+    bool chargingChanged();
+};
+
+#endif // BATTERY_H