feat(macos): Expose tao event Event::Reopen, closes #3084

.changes/event-reopen.md

@@ -0,0 +1,7 @@
+---
+'tauri': 'minor:feat'
+'tauri-runtime': 'minor:feat'
+'tauri-runtime-wry': 'minor:feat'
+---
+
+Expose tao event `Event::Reopen` for handle click on dock icon on macOS.

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

@@ -3441,6 +3441,13 @@ fn handle_event_loop<T: UserEvent>(
     Event::Opened { urls } => {
       callback(RunEvent::Opened { urls });
     }
+    #[cfg(target_os = "macos")]
+    Event::Reopen {
+      has_visible_windows,
+      ..
+    } => callback(RunEvent::Reopen {
+      has_visible_windows,
+    }),
     _ => (),
   }
 }

core/tauri-runtime/src/lib.rs

@@ -235,6 +235,12 @@ pub enum RunEvent<T: UserEvent> {
   /// Emitted when the user wants to open the specified resource with the app.
   #[cfg(any(target_os = "macos", target_os = "ios"))]
   Opened { urls: Vec<url::Url> },
+  /// Emitted when the NSApplicationDelegate's applicationShouldHandleReopen gets called
+  #[cfg(target_os = "macos")]
+  Reopen {
+    /// Indicates whether the NSApplication object found any visible windows in your application.
+    has_visible_windows: bool,
+  },
   /// A custom event defined by the user.
   UserEvent(T),
 }

core/tauri/src/app.rs

@@ -239,6 +239,14 @@ pub enum RunEvent {
   #[cfg(all(desktop, feature = "tray-icon"))]
   #[cfg_attr(docsrs, doc(cfg(all(desktop, feature = "tray-icon"))))]
   TrayIconEvent(crate::tray::TrayIconEvent),
+  /// Emitted when the NSApplicationDelegate's applicationShouldHandleReopen gets called
+  #[non_exhaustive]
+  #[cfg(target_os = "macos")]
+  #[cfg_attr(docsrs, doc(cfg(target_os = "macos")))]
+  Reopen {
+    /// Indicates whether the NSApplication object found any visible windows in your application.
+    has_visible_windows: bool,
+  },
 }
 
 impl From<EventLoopMessage> for RunEvent {
@@ -1918,6 +1926,12 @@ fn on_event_loop_event<R: Runtime>(
     }
     #[cfg(any(target_os = "macos", target_os = "ios"))]
     RuntimeRunEvent::Opened { urls } => RunEvent::Opened { urls },
+    #[cfg(target_os = "macos")]
+    RuntimeRunEvent::Reopen {
+      has_visible_windows,
+    } => RunEvent::Reopen {
+      has_visible_windows,
+    },
     _ => unimplemented!(),
   };