Let Qt handle system tray icon availability

PR #17519.

src/gui/desktopintegration.cpp

@@ -85,7 +85,7 @@ DesktopIntegration::DesktopIntegration(QObject *parent)
     MacUtils::overrideDockClickHandler(handleDockClicked);
 #else
     if (Preferences::instance()->systemTrayEnabled())
-        createTrayIcon(20);
+        createTrayIcon();
 
 #ifdef QBT_USES_CUSTOMDBUSNOTIFICATIONS
     if (isNotificationsEnabled())
@@ -104,7 +104,7 @@ bool DesktopIntegration::isActive() const
 #ifdef Q_OS_MACOS
     return true;
 #else
-    return (m_systrayIcon != nullptr);
+    return QSystemTrayIcon::isSystemTrayAvailable();
 #endif
 }
 
@@ -118,9 +118,10 @@ void DesktopIntegration::setToolTip(const QString &toolTip)
     if (m_toolTip == toolTip)
         return;
 
+    m_toolTip = toolTip;
 #ifndef Q_OS_MACOS
     if (m_systrayIcon)
-        m_systrayIcon->setToolTip(toolTip);
+        m_systrayIcon->setToolTip(m_toolTip);
 #endif
 }
 
@@ -216,7 +217,7 @@ void DesktopIntegration::onPreferencesChanged()
         }
         else
         {
-            createTrayIcon(20);
+            createTrayIcon();
         }
     }
     else
@@ -229,12 +230,10 @@ void DesktopIntegration::onPreferencesChanged()
 }
 
 #ifndef Q_OS_MACOS
-void DesktopIntegration::createTrayIcon(const int retries)
+void DesktopIntegration::createTrayIcon()
 {
     Q_ASSERT(!m_systrayIcon);
 
-    if (QSystemTrayIcon::isSystemTrayAvailable())
-    {
     m_systrayIcon = new QSystemTrayIcon(UIThemeManager::instance()->getSystrayIcon(), this);
 
     m_systrayIcon->setToolTip(m_toolTip);
@@ -255,19 +254,4 @@ void DesktopIntegration::createTrayIcon(const int retries)
     m_systrayIcon->show();
     emit stateChanged();
 }
-    else if (retries > 0)
-    {
-        LogMsg(tr("System tray icon is not available, retrying..."), Log::WARNING);
-        QTimer::singleShot(2s, this, [this, retries]()
-        {
-            if (Preferences::instance()->systemTrayEnabled())
-                createTrayIcon(retries - 1);
-        });
-    }
-    else
-    {
-        LogMsg(tr("System tray icon is still not available after retries. Disabling it."), Log::WARNING);
-        Preferences::instance()->setSystemTrayEnabled(false);
-    }
-}
 #endif // Q_OS_MACOS

src/gui/desktopintegration.h

@@ -76,7 +76,7 @@ signals:
 private:
     void onPreferencesChanged();
 #ifndef Q_OS_MACOS
-    void createTrayIcon(int retries);
+    void createTrayIcon();
 #endif // Q_OS_MACOS
 
     CachedSettingValue<bool> m_storeNotificationEnabled;

src/gui/mainwindow.cpp

@@ -1507,13 +1507,10 @@ void MainWindow::reloadSessionStats()
         MacUtils::setBadgeLabelText({});
     }
 #else
-    if (app()->desktopIntegration()->isActive())
-    {
     const auto toolTip = u"%1\n%2"_qs.arg(
         tr("DL speed: %1", "e.g: Download speed: 10 KiB/s").arg(Utils::Misc::friendlyUnit(status.payloadDownloadRate, true))
         , tr("UP speed: %1", "e.g: Upload speed: 10 KiB/s").arg(Utils::Misc::friendlyUnit(status.payloadUploadRate, true)));
     app()->desktopIntegration()->setToolTip(toolTip); // tray icon
-    }
 #endif  // Q_OS_MACOS
 
     if (m_displaySpeedInTitle)