feat(core): allow changing or disabling the input accessory view on iOS

.changes/disable-input-accessory-view-ios.md

@@ -0,0 +1,7 @@
+---
+"@tauri-apps/api": minor:feat
+"tauri-utils": minor:feat
+---
+
+Added `disableInputAccessoryView: bool` config for iOS.
+

.changes/input-accessory-view-builder-runtime.md

@@ -0,0 +1,6 @@
+---
+"tauri-runtime": minor:feat
+"tauri-runtime-wry": minor:feat
+---
+
+Added `WebviewAttributes::input_accessory_view_builder` on iOS.

.changes/input-accessory-view-builder.md

@@ -0,0 +1,5 @@
+---
+"tauri": minor:feat
+---
+
+Added `WebviewWindowBuilder::with_input_accessory_view_builder` and `WebviewBuilder::with_input_accessory_view_builder` on iOS.

crates/tauri-cli/config.schema.json

@@ -561,6 +561,11 @@
           "description": "on macOS and iOS there is a link preview on long pressing links, this is enabled by default.\n see https://docs.rs/objc2-web-kit/latest/objc2_web_kit/struct.WKWebView.html#method.allowsLinkPreview",
           "default": true,
           "type": "boolean"
+        },
+        "disableInputAccessoryView": {
+          "description": "Allows disabling the input accessory view on iOS.\n\n The accessory view is the view that appears above the keyboard when a text input element is focused.\n It usually displays a view with \"Done\", \"Next\" buttons.",
+          "default": false,
+          "type": "boolean"
         }
       },
       "additionalProperties": false

crates/tauri-runtime-wry/Cargo.toml

@@ -17,7 +17,7 @@ rustc-args = ["--cfg", "docsrs"]
 rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
-wry = { version = "0.51", default-features = false, features = [
+wry = { version = "0.51.2", default-features = false, features = [
   "drag-drop",
   "protocol",
   "os-webview",

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

@@ -30,7 +30,7 @@ use tauri_runtime::{
   UserAttentionType, UserEvent, WebviewDispatch, WebviewEventId, WindowDispatch, WindowEventId,
 };
 
-#[cfg(any(target_os = "macos", target_os = "ios"))]
+#[cfg(target_vendor = "apple")]
 use objc2::rc::Retained;
 #[cfg(target_os = "macos")]
 use tao::platform::macos::{EventLoopWindowTargetExtMacOS, WindowBuilderExtMacOS};
@@ -42,9 +42,11 @@ use tao::platform::windows::{WindowBuilderExtWindows, WindowExtWindows};
 use webview2_com::FocusChangedEventHandler;
 #[cfg(windows)]
 use windows::Win32::Foundation::HWND;
+#[cfg(target_os = "ios")]
+use wry::WebViewBuilderExtIos;
 #[cfg(windows)]
 use wry::WebViewBuilderExtWindows;
-#[cfg(any(target_os = "macos", target_os = "ios"))]
+#[cfg(target_vendor = "apple")]
 use wry::{WebViewBuilderExtDarwin, WebViewExtDarwin};
 
 use tao::{
@@ -2987,7 +2989,7 @@ impl<T: UserEvent> Runtime<T> for Wry<T> {
   }
 
   #[cfg(target_os = "ios")]
-  fn run_return<F: FnMut(RunEvent<T>) + 'static>(mut self, callback: F) -> i32 {
+  fn run_return<F: FnMut(RunEvent<T>) + 'static>(self, callback: F) -> i32 {
     self.run(callback);
     0
   }
@@ -4627,9 +4629,16 @@ fn create_webview<T: UserEvent>(
       webview_builder.with_allow_link_preview(webview_attributes.allow_link_preview);
   }
 
+  #[cfg(target_os = "ios")]
+  {
+    if let Some(input_accessory_view_builder) = webview_attributes.input_accessory_view_builder {
+      webview_builder = webview_builder
+        .with_input_accessory_view_builder(move |webview| input_accessory_view_builder.0(webview));
+    }
+  }
+
   #[cfg(target_os = "macos")]
   {
-    use wry::WebViewBuilderExtDarwin;
     if let Some(position) = &webview_attributes.traffic_light_position {
       webview_builder = webview_builder.with_traffic_light_inset(*position);
     }

crates/tauri-runtime/Cargo.toml

@@ -47,6 +47,13 @@ gtk = { version = "0.18", features = ["v3_24"] }
 [target."cfg(target_os = \"android\")".dependencies]
 jni = "0.21"
 
+[target.'cfg(all(target_vendor = "apple", not(target_os = "macos")))'.dependencies]
+objc2 = "0.6"
+objc2-ui-kit = { version = "0.3.0", default-features = false, features = [
+  "UIView",
+  "UIResponder",
+] }
+
 [target."cfg(target_os = \"macos\")".dependencies]
 url = "2"
 

crates/tauri-runtime/src/webview.rs

@@ -34,6 +34,12 @@ type OnPageLoadHandler = dyn Fn(Url, PageLoadEvent) + Send;
 
 type DownloadHandler = dyn Fn(DownloadEvent) -> bool + Send + Sync;
 
+#[cfg(target_os = "ios")]
+type InputAccessoryViewBuilderFn = dyn Fn(&objc2_ui_kit::UIView) -> Option<objc2::rc::Retained<objc2_ui_kit::UIView>>
+  + Send
+  + Sync
+  + 'static;
+
 /// Download event.
 pub enum DownloadEvent<'a> {
   /// Download requested.
@@ -193,7 +199,7 @@ impl<T: UserEvent, R: Runtime<T>> PartialEq for DetachedWebview<T, R> {
 }
 
 /// The attributes used to create an webview.
-#[derive(Debug, Clone)]
+#[derive(Debug)]
 pub struct WebviewAttributes {
   pub url: WebviewUrl,
   pub user_agent: Option<String>,
@@ -236,6 +242,37 @@ pub struct WebviewAttributes {
   /// on macOS and iOS there is a link preview on long pressing links, this is enabled by default.
   /// see https://docs.rs/objc2-web-kit/latest/objc2_web_kit/struct.WKWebView.html#method.allowsLinkPreview
   pub allow_link_preview: bool,
+  /// Allows overriding the the keyboard accessory view on iOS.
+  /// Returning `None` effectively removes the view.
+  ///
+  /// The closure parameter is the webview instance.
+  ///
+  /// The accessory view is the view that appears above the keyboard when a text input element is focused.
+  /// It usually displays a view with "Done", "Next" buttons.
+  ///
+  /// # Stability
+  ///
+  /// This relies on [`objc2_ui_kit`] which does not provide a stable API yet, so it can receive breaking changes in minor releases.
+  #[cfg(target_os = "ios")]
+  pub input_accessory_view_builder: Option<InputAccessoryViewBuilder>,
+}
+
+#[cfg(target_os = "ios")]
+#[non_exhaustive]
+pub struct InputAccessoryViewBuilder(pub Box<InputAccessoryViewBuilderFn>);
+
+#[cfg(target_os = "ios")]
+impl std::fmt::Debug for InputAccessoryViewBuilder {
+  fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
+    f.debug_struct("InputAccessoryViewBuilder").finish()
+  }
+}
+
+#[cfg(target_os = "ios")]
+impl InputAccessoryViewBuilder {
+  pub fn new(builder: Box<InputAccessoryViewBuilderFn>) -> Self {
+    Self(builder)
+  }
 }
 
 impl From<&WindowConfig> for WebviewAttributes {
@@ -281,6 +318,12 @@ impl From<&WindowConfig> for WebviewAttributes {
     }
     builder.javascript_disabled = config.javascript_disabled;
     builder.allow_link_preview = config.allow_link_preview;
+    #[cfg(target_os = "ios")]
+    if config.disable_input_accessory_view {
+      builder
+        .input_accessory_view_builder
+        .replace(InputAccessoryViewBuilder::new(Box::new(|_webview| None)));
+    }
     builder
   }
 }
@@ -315,6 +358,8 @@ impl WebviewAttributes {
       background_throttling: None,
       javascript_disabled: false,
       allow_link_preview: true,
+      #[cfg(target_os = "ios")]
+      input_accessory_view_builder: None,
     }
   }
 

crates/tauri-schema-generator/schemas/config.schema.json

@@ -561,6 +561,11 @@
           "description": "on macOS and iOS there is a link preview on long pressing links, this is enabled by default.\n see https://docs.rs/objc2-web-kit/latest/objc2_web_kit/struct.WKWebView.html#method.allowsLinkPreview",
           "default": true,
           "type": "boolean"
+        },
+        "disableInputAccessoryView": {
+          "description": "Allows disabling the input accessory view on iOS.\n\n The accessory view is the view that appears above the keyboard when a text input element is focused.\n It usually displays a view with \"Done\", \"Next\" buttons.",
+          "default": false,
+          "type": "boolean"
         }
       },
       "additionalProperties": false

crates/tauri-utils/src/config.rs

@@ -1777,6 +1777,16 @@ pub struct WindowConfig {
   /// see https://docs.rs/objc2-web-kit/latest/objc2_web_kit/struct.WKWebView.html#method.allowsLinkPreview
   #[serde(default = "default_true", alias = "allow-link-preview")]
   pub allow_link_preview: bool,
+  /// Allows disabling the input accessory view on iOS.
+  ///
+  /// The accessory view is the view that appears above the keyboard when a text input element is focused.
+  /// It usually displays a view with "Done", "Next" buttons.
+  #[serde(
+    default,
+    alias = "disable-input-accessory-view",
+    alias = "disable_input_accessory_view"
+  )]
+  pub disable_input_accessory_view: bool,
 }
 
 impl Default for WindowConfig {
@@ -1834,6 +1844,7 @@ impl Default for WindowConfig {
       background_throttling: None,
       javascript_disabled: false,
       allow_link_preview: true,
+      disable_input_accessory_view: false,
     }
   }
 }
@@ -3163,6 +3174,7 @@ mod build {
       let background_throttling = opt_lit(self.background_throttling.as_ref());
       let javascript_disabled = self.javascript_disabled;
       let allow_link_preview = self.allow_link_preview;
+      let disable_input_accessory_view = self.disable_input_accessory_view;
 
       literal_struct!(
         tokens,
@@ -3218,7 +3230,8 @@ mod build {
         background_color,
         background_throttling,
         javascript_disabled,
-        allow_link_preview
+        allow_link_preview,
+        disable_input_accessory_view
       );
     }
   }

crates/tauri/Cargo.toml

@@ -97,11 +97,14 @@ tray-icon = { version = "0.20", default-features = false, features = [
 gtk = { version = "0.18", features = ["v3_24"] }
 webkit2gtk = { version = "=2.0.1", features = ["v2_40"], optional = true }
 
+# darwin
+[target.'cfg(target_vendor = "apple")'.dependencies]
+objc2 = "0.6"
+
 # macOS
 [target.'cfg(target_os = "macos")'.dependencies]
 embed_plist = "1.2"
 plist = "1"
-objc2 = "0.6"
 objc2-foundation = { version = "0.3", default-features = false, features = [
   "std",
   "NSData",
@@ -145,6 +148,9 @@ jni = "0.21"
 [target.'cfg(all(target_vendor = "apple", not(target_os = "macos")))'.dependencies]
 libc = "0.2"
 swift-rs = "1"
+objc2-ui-kit = { version = "0.3.0", default-features = false, features = [
+  "UIView",
+] }
 
 [build-dependencies]
 glob = "0.3"

crates/tauri/src/app.rs

@@ -390,8 +390,6 @@ impl<R: Runtime> AppHandle<R> {
   ///
   /// Needs to be called from Main Thread
   pub async fn fetch_data_store_identifiers(&self) -> crate::Result<Vec<[u8; 16]>> {
-    use std::sync::Mutex;
-
     let (tx, rx) = tokio::sync::oneshot::channel::<Result<Vec<[u8; 16]>, tauri_runtime::Error>>();
     let lock: Arc<Mutex<Option<_>>> = Arc::new(Mutex::new(Some(tx)));
     let runtime_handle = self.runtime_handle.clone();
@@ -415,8 +413,6 @@ impl<R: Runtime> AppHandle<R> {
   ///
   /// Needs to be called from Main Thread
   pub async fn remove_data_store(&self, uuid: [u8; 16]) -> crate::Result<()> {
-    use std::sync::Mutex;
-
     let (tx, rx) = tokio::sync::oneshot::channel::<Result<(), tauri_runtime::Error>>();
     let lock: Arc<Mutex<Option<_>>> = Arc::new(Mutex::new(Some(tx)));
     let runtime_handle = self.runtime_handle.clone();