[stable-3.5] Refactor tray window opening code for clarity and efficiency

src/gui/owncloudgui.cpp

@@ -82,9 +82,6 @@ ownCloudGui::ownCloudGui(Application *parent)
     connect(_tray.data(), &Systray::openAccountWizard,
         this, &ownCloudGui::slotNewAccountWizard);
 
-    connect(_tray.data(), &Systray::openMainDialog,
-        this, &ownCloudGui::slotOpenMainDialog);
-
     connect(_tray.data(), &Systray::openSettings,
         this, &ownCloudGui::slotShowSettings);
 
@@ -157,9 +154,7 @@ void ownCloudGui::slotOpenSettingsDialog()
 
 void ownCloudGui::slotOpenMainDialog()
 {
-    if (!_tray->isOpen()) {
-        _tray->showWindow();
-    }
+    _tray->showWindow();
 }
 
 void ownCloudGui::slotTrayClicked(QSystemTrayIcon::ActivationReason reason)

src/gui/systray.cpp

@@ -120,15 +120,15 @@ Systray::Systray()
 
 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
     connect(AccountManager::instance(), &AccountManager::accountAdded,
-        this, [this]{ emit showWindow(); });
+        this, [this]{ showWindow(); });
 #else
     // Since the positioning of the QSystemTrayIcon is borked on non-Windows and non-macOS desktop environments,
     // we hardcode the position of the tray to be in the center when we add a new account from somewhere like
     // the wizard. Otherwise with the conventional method we end up with the tray appearing wherever the cursor
     // is placed
 
     connect(AccountManager::instance(), &AccountManager::accountAdded,
-        this, [this]{ emit showWindow(WindowPosition::Center); });
+        this, [this]{ showWindow(WindowPosition::Center); });
 #endif
 }
 
@@ -138,7 +138,9 @@ void Systray::create()
         if (!AccountManager::instance()->accounts().isEmpty()) {
             _trayEngine->rootContext()->setContextProperty("activityModel", UserModel::instance()->currentActivityModel());
         }
-        _trayEngine->load(QStringLiteral("qrc:/qml/src/gui/tray/Window.qml"));
+
+        QQmlComponent trayWindowComponent(_trayEngine, QStringLiteral("qrc:/qml/src/gui/tray/Window.qml"));
+        _trayWindow.reset(qobject_cast<QQuickWindow*>(trayWindowComponent.create()));
     }
     hideWindow();
     emit activated(QSystemTrayIcon::ActivationReason::Unknown);
@@ -152,6 +154,36 @@ void Systray::create()
     }
 }
 
+void Systray::showWindow(WindowPosition position)
+{
+    if(isOpen() || !_trayWindow) {
+        return;
+    }
+
+    if(position == WindowPosition::Center) {
+        positionWindowAtScreenCenter(_trayWindow.data());
+    } else {
+        positionWindowAtTray(_trayWindow.data());
+    }
+    _trayWindow->show();
+    _trayWindow->raise();
+    _trayWindow->requestActivate();
+
+    setIsOpen(true);
+
+    UserModel::instance()->fetchCurrentActivityModel();
+}
+
+void Systray::hideWindow()
+{
+    if(!isOpen() || !_trayWindow) {
+        return;
+    }
+
+    _trayWindow->hide();
+    setIsOpen(false);
+}
+
 void Systray::setupContextMenu()
 {
     const auto oldContextMenu = _contextMenu.data();
@@ -169,7 +201,7 @@ void Systray::setupContextMenu()
     if (AccountManager::instance()->accounts().isEmpty()) {
         _contextMenu->addAction(tr("Add account"), this, &Systray::openAccountWizard);
     } else {
-        _contextMenu->addAction(tr("Open main dialog"), this, &Systray::openMainDialog);
+        _contextMenu->addAction(tr("Open main dialog"), this, [this]{ showWindow(); });
     }
 
     auto pauseAction = _contextMenu->addAction(tr("Pause sync"), this, &Systray::slotPauseAllFolders);

src/gui/systray.h

@@ -75,7 +75,7 @@ class Systray
 
     enum class TaskBarPosition { Bottom, Left, Top, Right };
     Q_ENUM(TaskBarPosition);
-    
+
     enum class NotificationPosition { Default, TopLeft, TopRight, BottomLeft, BottomRight };
     Q_ENUM(NotificationPosition);
 
@@ -98,15 +98,10 @@ class Systray
 signals:
     void currentUserChanged();
     void openAccountWizard();
-    void openMainDialog();
     void openSettings();
     void openHelp();
     void shutdown();
 
-    // These window signals are listened to in Window.qml
-    void hideWindow();
-    void showWindow(WindowPosition position = WindowPosition::Default);
-
     void openShareDialog(const QString &sharePath, const QString &localPath);
     void showFileActivityDialog(const QString &objectName, const int objectId);
     void sendChatMessage(const QString &token, const QString &message, const QString &replyTo);
@@ -117,15 +112,18 @@ class Systray
 
 public slots:
     void slotNewUserSelected();
+
+    void forceWindowInit(QQuickWindow *window) const;
     void positionWindowAtTray(QQuickWindow *window) const;
     void positionWindowAtScreenCenter(QQuickWindow *window) const;
+    void positionNotificationWindow(QQuickWindow *window) const;
+
+    void showWindow(WindowPosition position = WindowPosition::Default);
+    void hideWindow();
 
     void setSyncIsPaused(const bool syncIsPaused);
     void setIsOpen(const bool isOpen);
 
-    void forceWindowInit(QQuickWindow *window) const;
-    void positionNotificationWindow(QQuickWindow *window) const;
-
 private slots:
     void slotUnpauseAllFolders();
     void slotPauseAllFolders();
@@ -153,6 +151,7 @@ private slots:
     bool _syncIsPaused = true;
     QPointer<QQmlApplicationEngine> _trayEngine;
     QPointer<QMenu> _contextMenu;
+    QSharedPointer<QQuickWindow> _trayWindow;
 
     AccessManagerFactory _accessManagerFactory;
 

src/gui/tray/Window.qml

@@ -77,31 +77,11 @@ Window {
     Connections {
         target: Systray
 
-        function onShowWindow(position) {
-            if(trayWindow.visible) {
-                return;
+        function onIsOpenChanged() {
+            if(Systray.isOpen) {
+                accountMenu.close();
+                appsMenu.close();
             }
-
-            accountMenu.close();
-            appsMenu.close();
-
-            if(position === Systray.WindowPosition.Center) {
-                Systray.positionWindowAtScreenCenter(trayWindow);
-            } else {
-                Systray.positionWindowAtTray(trayWindow);
-            }
-
-            trayWindow.show();
-            trayWindow.raise();
-            trayWindow.requestActivate();
-
-            Systray.isOpen = true;
-            UserModel.fetchCurrentActivityModel();
-        }
-
-        function onHideWindow() {
-            trayWindow.hide();
-            Systray.isOpen = false;
         }
 
         function onShowFileActivityDialog(objectName, objectId) {