Use QElapsedTimer

src/webui/api/synccontroller.cpp

@@ -329,6 +329,8 @@ SyncController::SyncController(ISessionManager *sessionManager, QObject *parent)
     connect(m_freeDiskSpaceChecker, &FreeDiskSpaceChecker::checked, this, &SyncController::freeDiskSpaceSizeUpdated);
 
     m_freeDiskSpaceThread->start();
+    QTimer::singleShot(0, m_freeDiskSpaceChecker, &FreeDiskSpaceChecker::check);
+    m_freeDiskSpaceElapsedTimer.start();
 }
 
 SyncController::~SyncController()
@@ -512,11 +514,11 @@ void SyncController::torrentPeersAction()
 
 qint64 SyncController::getFreeDiskSpace()
 {
-    const qint64 now = QDateTime::currentMSecsSinceEpoch();
-    if ((now - m_freeDiskSpaceLastUpdate) >= FREEDISKSPACE_CHECK_TIMEOUT) {
+    if (m_freeDiskSpaceElapsedTimer.hasExpired(FREEDISKSPACE_CHECK_TIMEOUT)) {
         QTimer::singleShot(0, m_freeDiskSpaceChecker, &FreeDiskSpaceChecker::check);
-        m_freeDiskSpaceLastUpdate = now;
+        m_freeDiskSpaceElapsedTimer.restart();
     }
+
     return m_freeDiskSpace;
 }
 

src/webui/api/synccontroller.h

@@ -28,6 +28,8 @@
 
 #pragma once
 
+#include <QElapsedTimer>
+
 #include "apicontroller.h"
 
 struct ISessionManager;
@@ -56,7 +58,7 @@ private:
     qint64 getFreeDiskSpace();
 
     qint64 m_freeDiskSpace = 0;
-    qint64 m_freeDiskSpaceLastUpdate = 0;
     FreeDiskSpaceChecker *m_freeDiskSpaceChecker = nullptr;
     QThread *m_freeDiskSpaceThread = nullptr;
+    QElapsedTimer m_freeDiskSpaceElapsedTimer;
 };