From fd1dcc3cc5a290bfe4ae8de04064074109902432 Mon Sep 17 00:00:00 2001
From: keiya sasaki <34934510+keiya01@users.noreply.github.com>
Date: Sun, 24 Apr 2022 12:48:26 +0000
Subject: [PATCH] fix: reset background process when webview is closed, closes
 #536 (#556)

---
 .changes/stop-background-process.md | 5 +++++
 src/webview/wkwebview/mod.rs        | 5 +++++
 2 files changed, 10 insertions(+)
 create mode 100644 .changes/stop-background-process.md

diff --git a/.changes/stop-background-process.md b/.changes/stop-background-process.md
new file mode 100644
index 000000000..60eb3fedc
--- /dev/null
+++ b/.changes/stop-background-process.md
@@ -0,0 +1,5 @@
+---
+"wry": patch
+---
+
+Fix to reset process on MacOS when webview is closed, closes #536.
diff --git a/src/webview/wkwebview/mod.rs b/src/webview/wkwebview/mod.rs
index 5ea4529a6..85e69c1dd 100644
--- a/src/webview/wkwebview/mod.rs
+++ b/src/webview/wkwebview/mod.rs
@@ -621,6 +621,11 @@ impl Drop for InnerWebView {
         }
       }
 
+      // WKWebview has a single WKProcessPool to manage web contents.
+      // The WKProcessPool is not reset even if WKWebview is deallocated.
+      // So we need to override the process by navigating to `about:blank`.
+      self.navigate("about:blank");
+
       let _: Id<_> = Id::from_ptr(self.webview);
       #[cfg(target_os = "macos")]
       let _: Id<_> = Id::from_ptr(self.ns_window);