SDA-4960 - Implement state tracking to manage the visibility of titleBarView (#2455)

src/app/window-utils.ts

@@ -1423,6 +1423,11 @@ export const loadWebContentsView = async (
 
   mainWindow.contentView.addChildView(titleBarView);
   mainWindow.contentView.addChildView(mainView);
+
+  // Track title bar state and any pending fullscreen timers to avoid race conditions
+  let enterFullScreenTimeout: NodeJS.Timeout | null = null;
+  let isTitleBarAttached = true;
+
   mainWindow.on('enter-full-screen', () => {
     if (
       !titleBarView ||
@@ -1432,11 +1437,22 @@ export const loadWebContentsView = async (
     ) {
       return;
     }
+    if (enterFullScreenTimeout) {
+      clearTimeout(enterFullScreenTimeout);
+      enterFullScreenTimeout = null;
+    }
     // Workaround: Need to delay getting the window bounds
     // to get updated window bounds
-    setTimeout(() => {
+    enterFullScreenTimeout = setTimeout(() => {
+      if (!mainWindow.isFullScreen()) {
+        return;
+      }
       const [width, height] = mainWindow.getSize();
-      mainWindow.contentView.removeChildView(titleBarView);
+      // Remove title bar only if it's currently attached
+      if (isTitleBarAttached) {
+        mainWindow.contentView.removeChildView(titleBarView);
+        isTitleBarAttached = false;
+      }
       if (!mainView || !viewExists(mainView)) {
         return;
       }
@@ -1459,6 +1475,11 @@ export const loadWebContentsView = async (
     ) {
       return;
     }
+    // If there is a pending removal from a prior enter-full-screen, cancel it
+    if (enterFullScreenTimeout) {
+      clearTimeout(enterFullScreenTimeout);
+      enterFullScreenTimeout = null;
+    }
     let width: number;
     let height: number;
     if (mainWindow.isMaximized()) {
@@ -1471,7 +1492,11 @@ export const loadWebContentsView = async (
     } else {
       [width, height] = mainWindow.getSize();
     }
-    mainWindow.contentView.addChildView(titleBarView);
+    // Add title bar only if it's not already attached
+    if (!isTitleBarAttached) {
+      mainWindow.contentView.addChildView(titleBarView);
+      isTitleBarAttached = true;
+    }
     const titleBarViewBounds = titleBarView.getBounds();
     titleBarView.setBounds({
       ...titleBarViewBounds,