bool CefBrowserPlatformDelegateNativeMac::CreateHostWindow()

in libcef/browser/native/browser_platform_delegate_native_mac.mm [162:242]
58 lines of code
6 McCabe index (conditional complexity)

bool CefBrowserPlatformDelegateNativeMac::CreateHostWindow() {
  base::mac::ScopedNSAutoreleasePool autorelease_pool;

  NSWindow* newWnd = nil;

  NSView* parentView =
      CAST_CEF_WINDOW_HANDLE_TO_NSVIEW(window_info_.parent_view);
  NSRect contentRect = {{static_cast<CGFloat>(window_info_.bounds.x),
                         static_cast<CGFloat>(window_info_.bounds.y)},
                        {static_cast<CGFloat>(window_info_.bounds.width),
                         static_cast<CGFloat>(window_info_.bounds.height)}};
  if (parentView == nil) {
    // Create a new window.
    NSRect screen_rect = [[NSScreen mainScreen] visibleFrame];
    NSRect window_rect = {
        {static_cast<CGFloat>(window_info_.bounds.x),
         screen_rect.size.height - static_cast<CGFloat>(window_info_.bounds.y)},
        {static_cast<CGFloat>(window_info_.bounds.width),
         static_cast<CGFloat>(window_info_.bounds.height)}};
    if (window_rect.size.width == 0)
      window_rect.size.width = 750;
    if (window_rect.size.height == 0)
      window_rect.size.height = 750;

    contentRect.origin.x = 0;
    contentRect.origin.y = 0;
    contentRect.size.width = window_rect.size.width;
    contentRect.size.height = window_rect.size.height;

    newWnd = [[UnderlayOpenGLHostingWindow alloc]
        initWithContentRect:window_rect
                  styleMask:(NSTitledWindowMask | NSClosableWindowMask |
                             NSMiniaturizableWindowMask |
                             NSResizableWindowMask |
                             NSUnifiedTitleAndToolbarWindowMask)
                    backing:NSBackingStoreBuffered
                      defer:NO];

    // Create the delegate for control and browser window events.
    [[CefWindowDelegate alloc] initWithWindow:newWnd andBrowser:browser_];

    parentView = [newWnd contentView];
    window_info_.parent_view = parentView;

    // Make the content view for the window have a layer. This will make all
    // sub-views have layers. This is necessary to ensure correct layer
    // ordering of all child views and their layers.
    [parentView setWantsLayer:YES];
  }

  host_window_created_ = true;

  // Add a reference that will be released in BrowserDestroyed().
  browser_->AddRef();

  // Create the browser view.
  CefBrowserHostView* browser_view =
      [[CefBrowserHostView alloc] initWithFrame:contentRect];
  browser_view.browser = browser_;
  [parentView addSubview:browser_view];
  [browser_view setAutoresizingMask:(NSViewWidthSizable | NSViewHeightSizable)];
  [browser_view setNeedsDisplay:YES];
  [browser_view release];

  // Parent the TabContents to the browser view.
  const NSRect bounds = [browser_view bounds];
  NSView* native_view = web_contents_->GetNativeView().GetNativeNSView();
  [browser_view addSubview:native_view];
  [native_view setFrame:bounds];
  [native_view setAutoresizingMask:(NSViewWidthSizable | NSViewHeightSizable)];
  [native_view setNeedsDisplay:YES];

  window_info_.view = browser_view;

  if (newWnd != nil && !window_info_.hidden) {
    // Show the window.
    [newWnd makeKeyAndOrderFront:nil];
  }

  return true;
}