AppController.j

    // In this case, we want the window from Cib to become our full browser window
    [theWindow setFullBridge:YES];
    
    // Instantiate the LayoutManager
    [LayoutManager sharedManager];

LayoutManager.j

// TODO: document

var SharedLayoutManager = nil;

@implementation LayoutManager : CPObject
{
}

+ (LayoutManager) sharedManager
{
	if (!SharedLayoutManager) {
        SharedLayoutManager = [[LayoutManager alloc] init];
        // LayoutManager listens for CPWindowShouldCloseNotification
        // Each window controller must implement this to have its window saved
        [[CPNotificationCenter defaultCenter] addObserver:self selector:@selector(saveWindowInfo:) name:@"CPWindowShouldCloseNotification" object:nil];
    }
    
    return SharedLayoutManager;
}

- (id)init
{
	return SharedLayoutManager;
}

+ (void)saveWindowInfo:(CPNotification)aNotification
{
	// This window data is in [aNotification object]
	console.log("[LayoutManager saveWindowInfo] window closing: ", [aNotification object]);
        // TODO: Save window data to server

}

@end

SymbolQuickViewWindowController.j

- (void)windowShouldClose:(id)aWindow
{
    if (timer) {
        [timer invalidate];
        [currentTimeTimer invalidate];
        [aWindow close];
    }
    // WindowController posts this notification for LayoutManager and sends the window as the object
    [[CPNotificationCenter defaultCenter] postNotificationName:@"CPWindowShouldCloseNotification" object:aWindow];
    SharedSymbolQuickViewWindowController = nil;
}