fix: vibrant view is inserted into Views API hierarchy (#43078)

* fix: vibrant view is inserted into Views API hierarchy (#42263)

* Update shell/browser/native_window_mac.mm

Co-authored-by: Charles Kerr <[email protected]>

---------

Co-authored-by: Hans Halverson <[email protected]>
Co-authored-by: Charles Kerr <[email protected]>

shell/browser/native_window_mac.h

@@ -12,6 +12,7 @@
 #include <string>
 #include <vector>
 
+#include "base/memory/raw_ptr.h"
 #include "electron/shell/common/api/api.mojom.h"
 #include "shell/browser/native_window.h"
 #include "third_party/skia/include/core/SkRegion.h"
@@ -300,6 +301,9 @@ class NativeWindowMac : public NativeWindow,
 
   std::string vibrancy_type_;
 
+  // A views::NativeViewHost wrapping the vibrant view. Owned by the root view.
+  raw_ptr<views::NativeViewHost> vibrant_native_view_host_ = nullptr;
+
   // The presentation options before entering simple fullscreen mode.
   NSApplicationPresentationOptions simple_fullscreen_options_;
 };

shell/browser/native_window_mac.mm

@@ -1391,13 +1391,19 @@ void NativeWindowMac::SetVibrancy(const std::string& type) {
   NativeWindow::SetVibrancy(type);
 
   NSVisualEffectView* vibrantView = [window_ vibrantView];
+  views::View* rootView = GetContentsView();
 
   if (type.empty()) {
-    if (vibrantView == nil)
-      return;
+    if (vibrant_native_view_host_ != nullptr) {
+      // Transfers ownership back to caller in the form of a unique_ptr which is
+      // subsequently deleted.
+      rootView->RemoveChildViewT(vibrant_native_view_host_);
+      vibrant_native_view_host_ = nullptr;
+    }
 
-    [vibrantView removeFromSuperview];
-    [window_ setVibrantView:nil];
+    if (vibrantView != nil) {
+      [window_ setVibrantView:nil];
+    }
 
     return;
   }
@@ -1453,9 +1459,13 @@ void NativeWindowMac::SetVibrancy(const std::string& type) {
         [vibrantView setState:NSVisualEffectStateFollowsWindowActiveState];
       }
 
-      [[window_ contentView] addSubview:vibrantView
-                             positioned:NSWindowBelow
-                             relativeTo:nil];
+      // Vibrant view is inserted into the root view hierarchy underneath all
+      // other views.
+      vibrant_native_view_host_ = rootView->AddChildViewAt(
+          std::make_unique<views::NativeViewHost>(), 0);
+      vibrant_native_view_host_->Attach(vibrantView);
+
+      rootView->DeprecatedLayoutImmediately();
 
       UpdateVibrancyRadii(IsFullscreen());
     }