feat: implement custom close behavior for Amnezia application on different platforms

client/amnezia_application.cpp

@@ -12,6 +12,7 @@
 #include <QTextDocument>
 #include <QTimer>
 #include <QTranslator>
+#include <QEvent>
 
 #include "logger.h"
 #include "ui/controllers/pageController.h"
@@ -206,6 +207,22 @@ void AmneziaApplication::startLocalServer() {
 }
 #endif
 
+bool AmneziaApplication::eventFilter(QObject *watched, QEvent *event)
+{
+    if (event->type() == QEvent::Close) {
+#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
+        quit();
+#else
+        if (m_coreController && m_coreController->pageController()) {
+            m_coreController->pageController()->hideMainWindow();
+        }
+#endif
+        return true; // eat the close
+    }
+    // call base QObject::eventFilter
+    return QObject::eventFilter(watched, event);
+}
+
 QQmlApplicationEngine *AmneziaApplication::qmlEngine() const
 {
     return m_engine;

client/amnezia_application.h

@@ -60,6 +60,8 @@ private:
     QThread m_vpnConnectionThread;
 
     QNetworkAccessManager *m_nam;
+protected:
+    bool eventFilter(QObject *watched, QEvent *event) override;
 };
 
 #endif // AMNEZIA_APPLICATION_H

client/ui/controllers/pageController.cpp

@@ -59,29 +59,11 @@ QString PageController::getPagePath(PageLoader::PageEnum page)
 
 void PageController::closeWindow()
 {
-#ifdef Q_OS_ANDROID
+// On mobile platforms, quit app on close; on desktop, just hide window
+#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
     qApp->quit();
-
-#elif defined(MACOS_NE)
-    // macOS App Store build with Network Extension: hide UI, then gracefully disconnect NE and quit
-    emit hideMainWindow();
-    {
-        auto ctrl = IosController::Instance();
-        // when NE state changes to Disconnected, quit app
-        connect(ctrl, &IosController::connectionStateChanged, this, [=](Vpn::ConnectionState s) {
-            if (s == Vpn::ConnectionState::Disconnected) {
-                qApp->quit();
-            }
-        });
-        ctrl->disconnectVpn();
-    }
-
 #else
-    if (m_serversModel->getServersCount() == 0) {
-        qApp->quit();
-    } else {
     emit hideMainWindow();
-    }
 #endif
 }
 
@@ -132,7 +114,7 @@ void PageController::showOnStartup()
     } else {
 #if defined(Q_OS_WIN) || (defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID))
         emit hideMainWindow();
-#elif defined(Q_OS_MACX) and defined(MACOS_NE)
+#elif defined(Q_OS_MACX) && !defined(MACOS_NE)
         setDockIconVisible(false);
 #endif
     }

client/ui/qml/main2.qml

@@ -26,7 +26,8 @@ Window  {
 
     color: AmneziaStyle.color.midnightBlack
 
-    onClosing: function() {
+    onClosing: function(close) {
+        close.accepted = false
         PageController.closeWindow()
     }
 

client/ui/systemtray_notificationhandler.cpp

@@ -41,9 +41,11 @@ SystemTrayNotificationHandler::SystemTrayNotificationHandler(QObject* parent) :
         QDesktopServices::openUrl(QUrl("https://amnezia.org"));
     });
 
-    m_trayActionQuit = m_menu.addAction(QIcon(":/images/tray/cancel.png"), tr("Quit") + " " + APPLICATION_NAME, this, [&](){
+    // Quit action: disconnect VPN first on macOS NE, else quit directly
-        qApp->quit();
+    m_trayActionQuit = m_menu.addAction(QIcon(":/images/tray/cancel.png"),
-    });
+                                       tr("Quit") + " " + APPLICATION_NAME,
+                                       this,
+                                       [&](){ qApp->quit(); });
 
     m_systemTrayIcon.setContextMenu(&m_menu);
     setTrayState(Vpn::ConnectionState::Disconnected);