From d6681a64bbdc296530fdd14cf02ba9f286efa405 Mon Sep 17 00:00:00 2001
From: Dhruv-1105 <126226693+Dhruv-1105@users.noreply.github.com>
Date: Wed, 17 Jul 2024 13:11:47 +0530
Subject: [PATCH] feat: add `onRangeStart` listener (#132)

* "Added RangeCount() method to get index & string of spoken word."

* "Resolved Prettier issues"
---
 .../community/tts/SpeakResultCallback.java            |  1 +
 .../com/getcapacitor/community/tts/TextToSpeech.java  |  6 ++++++
 .../community/tts/TextToSpeechPlugin.java             | 10 ++++++++++
 src/definitions.ts                                    | 11 +++++++++++
 4 files changed, 28 insertions(+)

diff --git a/android/src/main/java/com/getcapacitor/community/tts/SpeakResultCallback.java b/android/src/main/java/com/getcapacitor/community/tts/SpeakResultCallback.java
index 1299e12..d12fa7c 100644
--- a/android/src/main/java/com/getcapacitor/community/tts/SpeakResultCallback.java
+++ b/android/src/main/java/com/getcapacitor/community/tts/SpeakResultCallback.java
@@ -3,4 +3,5 @@
 public interface SpeakResultCallback {
     void onDone();
     void onError();
+    void onRangeStart(int start, int end, String spokenWord);
 }
diff --git a/android/src/main/java/com/getcapacitor/community/tts/TextToSpeech.java b/android/src/main/java/com/getcapacitor/community/tts/TextToSpeech.java
index 77436ed..ee48c64 100644
--- a/android/src/main/java/com/getcapacitor/community/tts/TextToSpeech.java
+++ b/android/src/main/java/com/getcapacitor/community/tts/TextToSpeech.java
@@ -65,6 +65,12 @@ public void onDone(String utteranceId) {
                 public void onError(String utteranceId) {
                     resultCallback.onError();
                 }
+
+                @Override
+                public void onRangeStart(String utteranceId, int start, int end, int frame) {
+                    String spokenWord = text.substring(start, end);
+                    resultCallback.onRangeStart(start, end, spokenWord);
+                }
             }
         );
 
diff --git a/android/src/main/java/com/getcapacitor/community/tts/TextToSpeechPlugin.java b/android/src/main/java/com/getcapacitor/community/tts/TextToSpeechPlugin.java
index 20cc560..f41c8c5 100644
--- a/android/src/main/java/com/getcapacitor/community/tts/TextToSpeechPlugin.java
+++ b/android/src/main/java/com/getcapacitor/community/tts/TextToSpeechPlugin.java
@@ -1,5 +1,6 @@
 package com.getcapacitor.community.tts;
 
+import android.util.Base64;
 import com.getcapacitor.JSArray;
 import com.getcapacitor.JSObject;
 import com.getcapacitor.Plugin;
@@ -53,6 +54,15 @@ public void onDone() {
             public void onError() {
                 call.reject(ERROR_UTTERANCE);
             }
+
+            @Override
+            public void onRangeStart(int start, int end, String spokenWord) {
+                JSObject ret = new JSObject();
+                ret.put("start", start);
+                ret.put("end", end);
+                ret.put("spokenWord", spokenWord);
+                notifyListeners("onRangeStart", ret);
+            }
         };
 
         try {
diff --git a/src/definitions.ts b/src/definitions.ts
index 80fd382..7e56a4e 100644
--- a/src/definitions.ts
+++ b/src/definitions.ts
@@ -1,3 +1,5 @@
+import type { PluginListenerHandle } from '@capacitor/core';
+
 export interface TextToSpeechPlugin {
   /**
    * Starts the TTS engine and plays the desired text.
@@ -27,6 +29,15 @@ export interface TextToSpeechPlugin {
    * Only available for Android.
    */
   openInstall(): Promise<void>;
+
+  addListener(
+    eventName: 'onRangeStart',
+    listenerFunc: (info: {
+      start: number;
+      end: number;
+      spokenWord: string;
+    }) => void,
+  ): Promise<PluginListenerHandle>;
 }
 
 export interface TTSOptions {