Update to Rust programming language.

src-tauri/src/events.rs

@@ -0,0 +1,40 @@
+use tauri::Manager;
+
+// the payload type must implement `Serialize` and `Clone`.
+#[derive(Clone, serde::Serialize)]
+pub struct Payload {
+    pub data: String,
+}
+
+pub enum EventTypes {
+    AudioPlay,
+    AssistantWaiting,
+    AssistantGreet,
+    CommandStart,
+    CommandInProcess,
+    CommandEnd,
+}
+
+impl EventTypes {
+    pub fn get(&self) -> &str {
+        match self {
+            Self::AudioPlay => "audio-play",
+            Self::AssistantWaiting => "assistant-waiting",
+            Self::AssistantGreet => "assistant-greet",
+            Self::CommandStart => "command-start",
+            Self::CommandInProcess => "command-in-process",
+            Self::CommandEnd => "command-end",
+        }
+    }
+}
+
+pub fn play(phrase: &str, app_handle: &tauri::AppHandle) {
+    app_handle
+        .emit_all(
+            EventTypes::AudioPlay.get(),
+            Payload {
+                data: phrase.into(),
+            },
+        )
+        .unwrap();
+}