From d2ff37dc255fd9c8bb1c30e3f2dd555f0ca58596 Mon Sep 17 00:00:00 2001
From: Jason Tsai <jason@pews.dev>
Date: Thu, 11 Jul 2024 11:34:26 +0800
Subject: [PATCH] refactor(macos): migrate WryWebViewParent to objc2

---
 src/wkwebview/mod.rs | 63 +++++++++++++++++++++++++++++---------------
 1 file changed, 42 insertions(+), 21 deletions(-)

diff --git a/src/wkwebview/mod.rs b/src/wkwebview/mod.rs
index 4247a22f2d..4553df2e42 100644
--- a/src/wkwebview/mod.rs
+++ b/src/wkwebview/mod.rs
@@ -764,27 +764,7 @@ r#"Object.defineProperty(window, 'ipc', {
         if is_child {
           ns_view.addSubview(&webview);
         } else {
-          let parent_view_cls = match ClassBuilder::new("WryWebViewParent", NSView::class()) {
-            Some(mut decl) => {
-              decl.add_method(objc2::sel!(keyDown:), key_down as extern "C" fn(_, _, _));
-
-              extern "C" fn key_down(_this: &NSView, _sel: objc2::runtime::Sel, event: &NSEvent) {
-                unsafe {
-                  let mtm = MainThreadMarker::new().unwrap();
-                  let app = NSApp(mtm);
-                  if let Some(menu) = app.mainMenu() {
-                    menu.performKeyEquivalent(event);
-                  }
-                }
-              }
-
-              decl.register()
-            }
-            None => class!(NSView),
-          };
-
-          let parent_view: Allocated<NSView> = objc2::msg_send_id![parent_view_cls, alloc];
-          let parent_view = NSView::init(parent_view);
+          let parent_view = WryWebViewParent::new(mtm);
           parent_view.setAutoresizingMask(
             NSAutoresizingMaskOptions::NSViewHeightSizable
               | NSAutoresizingMaskOptions::NSViewWidthSizable,
@@ -1741,3 +1721,44 @@ impl WryWebViewUIDelegate {
     unsafe { msg_send_id![super(delegate), init] }
   }
 }
+
+struct WryWebViewParentIvars {}
+
+declare_class!(
+  struct WryWebViewParent;
+
+  unsafe impl ClassType for WryWebViewParent {
+    type Super = NSView;
+    type Mutability = MainThreadOnly;
+    const NAME: &'static str = "WryWebViewParent";
+  }
+
+  impl DeclaredClass for WryWebViewParent {
+    type Ivars = WryWebViewParentIvars;
+  }
+
+  unsafe impl WryWebViewParent {
+    #[method(keyDown:)]
+    fn key_down(
+      &self,
+      event: &NSEvent,
+    ) {
+      let mtm = MainThreadMarker::new().unwrap();
+      let app = NSApp(mtm);
+      unsafe {
+        if let Some(menu) = app.mainMenu() {
+          menu.performKeyEquivalent(event);
+        }
+      }
+    }
+  }
+);
+
+impl WryWebViewParent {
+  fn new(mtm: MainThreadMarker) -> Retained<Self> {
+    let delegate = mtm
+      .alloc::<WryWebViewParent>()
+      .set_ivars(WryWebViewParentIvars {});
+    unsafe { msg_send_id![super(delegate), init] }
+  }
+}