fix(src/app/App): avoid memory leaks (system tray icon, qml file selector)

linphone-desktop/src/app/App.cpp

@@ -90,6 +90,7 @@ App::~App () {
   qInfo() << "Destroying app...";
   delete m_calls_window;
   delete m_settings_window;
+  delete m_system_tray_icon;
 }
 
 // -----------------------------------------------------------------------------
@@ -100,11 +101,7 @@ void App::initContentApp () {
   qInfo() << "Activated selectors:" << QQmlFileSelector::get(&m_engine)->selector()->allSelectors();
 
   // Provide `+custom` folders for custom components.
-  {
-    QQmlFileSelector *file_selector = new QQmlFileSelector(&m_engine);
-    file_selector = new QQmlFileSelector(&m_engine);
-    file_selector->setExtraSelectors(QStringList("custom"));
-  }
+  (new QQmlFileSelector(&m_engine, this))->setExtraSelectors(QStringList("custom"));
 
   // Set modules paths.
   m_engine.addImportPath(":/ui/modules");
@@ -332,10 +329,8 @@ void App::registerTypes () {
 // -----------------------------------------------------------------------------
 
 void App::setTrayIcon () {
+  QSystemTrayIcon *m_system_tray_icon = new QSystemTrayIcon();
   QQuickWindow *root = getMainWindow();
-  QMenu *menu = new QMenu();
-
-  QSystemTrayIcon *system_tray_icon = new QSystemTrayIcon(root);
 
   // trayIcon: Right click actions.
   QAction *quit_action = new QAction("Quit", root);
@@ -345,8 +340,9 @@ void App::setTrayIcon () {
   root->connect(restore_action, &QAction::triggered, root, &QQuickWindow::showNormal);
 
   // trayIcon: Left click actions.
+  QMenu *menu = new QMenu();
   root->connect(
-    system_tray_icon, &QSystemTrayIcon::activated, [root](
+    m_system_tray_icon, &QSystemTrayIcon::activated, [root](
       QSystemTrayIcon::ActivationReason reason
     ) {
       if (reason == QSystemTrayIcon::Trigger) {
@@ -363,10 +359,10 @@ void App::setTrayIcon () {
   menu->addSeparator();
   menu->addAction(quit_action);
 
-  system_tray_icon->setContextMenu(menu);
-  system_tray_icon->setIcon(QIcon(WINDOW_ICON_PATH));
-  system_tray_icon->setToolTip("Linphone");
-  system_tray_icon->show();
+  m_system_tray_icon->setContextMenu(menu);
+  m_system_tray_icon->setIcon(QIcon(WINDOW_ICON_PATH));
+  m_system_tray_icon->setToolTip("Linphone");
+  m_system_tray_icon->show();
 }
 
 // -----------------------------------------------------------------------------

linphone-desktop/src/app/App.hpp

@@ -33,6 +33,7 @@
 // =============================================================================
 
 class DefaultTranslator;
+class QSystemTrayIcon;
 
 class App : public SingleApplication {
   Q_OBJECT;
@@ -100,6 +101,8 @@ private:
 
   QQuickWindow *m_calls_window = nullptr;
   QQuickWindow *m_settings_window = nullptr;
+
+  QSystemTrayIcon *m_system_tray_icon = nullptr;
 };
 
 #endif // APP_H_