fix(notification/windows): Grant permission without invoking backend

Author: FabianLars

.changes/fix-notification-access-violation.md

@@ -0,0 +1,5 @@
+---
+notification: patch
+---
+
+Fixed an issue that caused the `notification` plugin's initialization script to cause the WebView on Windows to throw a `STATUS_ACCESS_VIOLATION` error on remote websites.

plugins/notification/guest-js/init.ts

@@ -10,16 +10,17 @@ import type { Options } from "./index";
   let permissionValue = "default";
 
   async function isPermissionGranted(): Promise<boolean> {
-    if (window.Notification.permission !== "default") {
+    // @ts-expect-error __TEMPLATE_windows__ will be replaced in rust before it's injected.
+    if (window.Notification.permission !== "default" || __TEMPLATE_windows__) {
       return await Promise.resolve(
-        window.Notification.permission === "granted",
+        window.Notification.permission === "granted"
       );
     }
     return await invoke("plugin:notification|is_permission_granted");
   }
 
   function setNotificationPermission(
-    value: "granted" | "denied" | "default",
+    value: "granted" | "denied" | "default"
   ): void {
     permissionSettable = true;
     // @ts-expect-error we can actually set this value on the webview
@@ -31,10 +32,10 @@ import type { Options } from "./index";
     "default" | "denied" | "granted" | "prompt"
   > {
     return await invoke<"prompt" | "default" | "granted" | "denied">(
-      "plugin:notification|request_permission",
+      "plugin:notification|request_permission"
     ).then((permission) => {
       setNotificationPermission(
-        permission === "prompt" ? "default" : permission,
+        permission === "prompt" ? "default" : permission
       );
       return permission;
     });
@@ -64,7 +65,7 @@ import type { Options } from "./index";
       Object.assign(opts, {
         // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
         title,
-      }),
+      })
     );
   };
 

plugins/notification/src/init-iife.js

@@ -227,7 +227,10 @@ pub fn init<R: Runtime>() -> TauriPlugin<R> {
             commands::request_permission,
             commands::is_permission_granted
         ])
-        .js_init_script(include_str!("init-iife.js").to_string())
+        .js_init_script(include_str!("init-iife.js").replace(
+            "__TEMPLATE_windows__",
+            if cfg!(windows) { "true" } else { "false" },
+        ))
         .setup(|app, api| {
             #[cfg(mobile)]
             let notification = mobile::init(app, api)?;