feat: add Webview.reload and WebviewWindow.reload (#12818)

* feat: add `Webview.reload` and `WebviewWindow.reload`

* fix tests

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.app>

Author: Simon-Laux

.changes/reload.md

@@ -0,0 +1,6 @@
+---
+'tauri': 'minor:feat'
+'tauri-runtime-wry': 'minor:feat'
+---
+
+feat: add `Webview.reload` and `WebviewWindow.reload`

crates/tauri-runtime-wry/src/lib.rs

@@ -1303,6 +1303,7 @@ pub enum WebviewMessage {
   WebviewEvent(WebviewEvent),
   SynthesizedWindowEvent(SynthesizedWindowEvent),
   Navigate(Url),
+  Reload,
   Print,
   Close,
   Show,
@@ -1466,6 +1467,17 @@ impl<T: UserEvent> WebviewDispatch<T> for WryWebviewDispatcher<T> {
     )
   }
 
+  fn reload(&self) -> Result<()> {
+    send_user_message(
+      &self.context,
+      Message::Webview(
+        *self.window_id.lock().unwrap(),
+        self.webview_id,
+        WebviewMessage::Reload,
+      ),
+    )
+  }
+
   fn print(&self) -> Result<()> {
     send_user_message(
       &self.context,
@@ -3307,6 +3319,11 @@ fn handle_user_message<T: UserEvent>(
               log::error!("failed to navigate to url {}: {}", url, e);
             }
           }
+          WebviewMessage::Reload => {
+            if let Err(e) = webview.reload() {
+              log::error!("failed to reload: {e}");
+            }
+          }
           WebviewMessage::Show => {
             if let Err(e) = webview.set_visible(true) {
               log::error!("failed to change webview visibility: {e}");

crates/tauri-runtime/src/lib.rs

@@ -486,6 +486,9 @@ pub trait WebviewDispatch<T: UserEvent>: Debug + Clone + Send + Sync + Sized + '
   /// Navigate to the given URL.
   fn navigate(&self, url: Url) -> Result<()>;
 
+  /// Reloads the current page.
+  fn reload(&self) -> Result<()>;
+
   /// Opens the dialog to prints the contents of the webview.
   fn print(&self) -> Result<()>;
 

crates/tauri/src/test/mock_runtime.rs

@@ -558,6 +558,10 @@ impl<T: UserEvent> WebviewDispatch<T> for MockWebviewDispatcher {
     Ok(())
   }
 
+  fn reload(&self) -> Result<()> {
+    Ok(())
+  }
+
   fn print(&self) -> Result<()> {
     Ok(())
   }

crates/tauri/src/webview/mod.rs

@@ -1303,6 +1303,11 @@ fn main() {
     self.webview.dispatcher.navigate(url).map_err(Into::into)
   }
 
+  /// Reloads the current page.
+  pub fn reload(&self) -> crate::Result<()> {
+    self.webview.dispatcher.reload().map_err(Into::into)
+  }
+
   fn is_local_url(&self, current_url: &Url) -> bool {
     let uses_https = current_url.scheme() == "https";
 

crates/tauri/src/webview/webview_window.rs

@@ -1898,6 +1898,11 @@ impl<R: Runtime> WebviewWindow<R> {
     self.webview.navigate(url)
   }
 
+  /// Reloads the current page.
+  pub fn reload(&self) -> crate::Result<()> {
+    self.webview.reload()
+  }
+
   /// Handles this window receiving an [`crate::webview::InvokeRequest`].
   pub fn on_message(
     self,