From cdb1a164de06f18cad497409a514f270a8336b4c Mon Sep 17 00:00:00 2001
From: Matt Campbell <mattcampbell@pobox.com>
Date: Mon, 14 Nov 2022 13:45:56 -0600
Subject: [PATCH] feat(platforms/winit): Allow a custom action handler (#149)

---
 platforms/winit/src/lib.rs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/platforms/winit/src/lib.rs b/platforms/winit/src/lib.rs
index 0ae64bc1d..566d35ce3 100644
--- a/platforms/winit/src/lib.rs
+++ b/platforms/winit/src/lib.rs
@@ -47,7 +47,19 @@ impl Adapter {
             window_id: window.id(),
             proxy: Mutex::new(event_loop_proxy),
         };
-        let adapter = platform_impl::Adapter::new(window, source, Box::new(action_handler));
+        Self::with_action_handler(window, source, Box::new(action_handler))
+    }
+
+    /// Use this if you need to provide your own AccessKit action handler
+    /// rather than dispatching action requests through the winit event loop.
+    /// Remember that an AccessKit action handler can be called on any thread,
+    /// depending on the underlying AccessKit platform adapter.
+    pub fn with_action_handler(
+        window: &Window,
+        source: Box<dyn FnOnce() -> TreeUpdate + Send>,
+        action_handler: Box<dyn ActionHandler>,
+    ) -> Self {
+        let adapter = platform_impl::Adapter::new(window, source, action_handler);
         Self { adapter }
     }