On macOS, fix resize event emits before fullscreen actually exit (#662)

.changes/mac-fullscreen-resize.md

@@ -0,0 +1,6 @@
+---
+"tao": patch
+---
+
+Fix resize event emits before fullscreen actually exit.
+

src/platform_impl/macos/window_delegate.rs

@@ -335,7 +335,18 @@ extern "C" fn window_will_close(this: &Object, _: Sel, _: id) {
 extern "C" fn window_did_resize(this: &Object, _: Sel, _: id) {
   trace!("Triggered `windowDidResize:`");
   with_state(this, |state| {
-    if !state.is_checking_zoomed_in {
+    // If window is entering/exiting, resize and move event will be emitted in
+    // window_did_enter_fullscreen & window_did_exit_fullscreen.
+    let in_fullscreen_transition = state
+      .with_window(|window| {
+        trace!("Locked shared state in `window_did_resize`");
+        let shared_state = window.shared_state.lock().unwrap();
+        trace!("Unlocked shared state in `window_did_resize`");
+        shared_state.in_fullscreen_transition
+      })
+      .unwrap_or(false);
+
+    if !state.is_checking_zoomed_in && !in_fullscreen_transition {
       state.emit_resize_event();
       state.emit_move_event();
     }
@@ -572,6 +583,8 @@ extern "C" fn window_did_enter_fullscreen(this: &Object, _: Sel, _: id) {
         window.set_fullscreen(target_fullscreen);
       }
     });
+    state.emit_resize_event();
+    state.emit_move_event();
   });
   trace!("Completed `windowDidEnterFullscreen:`");
 }
@@ -591,7 +604,9 @@ extern "C" fn window_did_exit_fullscreen(this: &Object, _: Sel, _: id) {
       if let Some(target_fullscreen) = target_fullscreen {
         window.set_fullscreen(target_fullscreen);
       }
-    })
+    });
+    state.emit_resize_event();
+    state.emit_move_event();
   });
   trace!("Completed `windowDidExitFullscreen:`");
 }