Refactor system page in GUI Alpha.

src/utilities/DiskInfoWorker.h

@@ -0,0 +1,27 @@
+#ifndef DISKINFOWORKER_H
+#define DISKINFOWORKER_H
+
+#include <QObject>
+
+class QTimer;
+
+class DiskInfoWorker : public QObject
+{
+    Q_OBJECT
+public:
+    DiskInfoWorker(QObject* aParent = nullptr);
+    ~DiskInfoWorker();
+
+public slots:
+    void getDiskInfo();
+    void initDiskInfo();
+
+signals:
+    void diskInfoBack(bool aDiskFlag, double aUsedDiskSize);
+    void diskInfoInit(bool aDiskFlag, double aTotalDiskSize, double aUsedDiskSize);
+
+private:
+    QTimer* mTimer;
+};
+
+#endif // DISKINFOWORKER_H