feat(webview2): add method to pass additional args, closes #415 (#711)

.changes/webview2-additional-args.md

@@ -0,0 +1,5 @@
+---
+"wry": "patch"
+---
+
+Add `WebviewBuilderExtWindows::with_additionl_browser_args` method to pass additional browser args to Webview2 On Windows. By default wry passes `--disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection` so if you use this method, you also need to disable these components by yourself if you want.

src/webview/mod.rs

@@ -214,7 +214,7 @@ impl Default for WebViewAttributes {
 #[cfg(windows)]
 #[derive(Default)]
 pub(crate) struct PlatformSpecificWebViewAttributes {
-  disable_additionl_browser_args: bool,
+  additionl_browser_args: Option<String>,
 }
 #[cfg(any(
   target_os = "linux",
@@ -484,23 +484,19 @@ impl<'a> WebViewBuilder<'a> {
 
 #[cfg(windows)]
 pub trait WebViewBuilderExtWindows {
-  /// Disables ther internal use of the additional browser arguments
-  /// passed to Webview2, so the env var like below isn't overwritten
-  /// ```
-  /// std::env::set_var("WEBVIEW2_ADDITIONAL_BROWSER_ARGUMENTS", "--disable-features=msSmartScreenProtection");
-  /// ```
+  /// Pass additional args to Webview2 upon creating the webview.
   ///
   /// ## Warning
   ///
   /// By default wry passes `--disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection`
-  /// so if you use this method, you also need to add disable these components by yourself if you want.
-  fn disable_additionl_browser_args(self) -> Self;
+  /// so if you use this method, you also need to disable these components by yourself if you want.
+  fn with_additionl_browser_args<S: AsRef<str>>(self, additional_args: S) -> Self;
 }
 
 #[cfg(windows)]
 impl WebViewBuilderExtWindows for WebViewBuilder<'_> {
-  fn disable_additionl_browser_args(mut self) -> Self {
-    self.platform_specific.disable_additionl_browser_args = true;
+  fn with_additionl_browser_args<S: AsRef<str>>(mut self, additional_args: S) -> Self {
+    self.platform_specific.additionl_browser_args = Some(additional_args.as_ref().to_string());
     self
   }
 }

src/webview/webview2/mod.rs

@@ -118,13 +118,14 @@ impl InnerWebView {
           options
         };
 
-        if !pl_attrs.disable_additionl_browser_args {
-          // remove "mini menu" - See https://github.com/tauri-apps/wry/issues/535
-          // and "smart screen" - See https://github.com/tauri-apps/tauri/issues/1345
-          let _ = options.SetAdditionalBrowserArguments(PCWSTR::from_raw(
-            encode_wide("--disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection").as_ptr(),
-          ));
-        }
+        let _ = options.SetAdditionalBrowserArguments(PCWSTR::from_raw(
+          encode_wide(pl_attrs.additionl_browser_args.unwrap_or_else(|| {
+            // remove "mini menu" - See https://github.com/tauri-apps/wry/issues/535
+            // and "smart screen" - See https://github.com/tauri-apps/tauri/issues/1345
+            "--disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection".to_string()
+          }))
+          .as_ptr(),
+        ));
 
         if let Some(data_directory) = data_directory {
           CreateCoreWebView2EnvironmentWithOptions(