From 571016096c1d403a0237d3fce322affe303c6ba1 Mon Sep 17 00:00:00 2001
From: Michael Salaverry <barakplasma@gmail.com>
Date: Sat, 13 Jul 2024 13:27:30 +0300
Subject: feat: webui supports text to speech for messages (#712)

---
 assets/playground.html | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

(limited to 'assets/playground.html')

diff --git a/assets/playground.html b/assets/playground.html
index 72c1e3e..ec13133 100644
--- a/assets/playground.html
+++ b/assets/playground.html
@@ -251,7 +251,8 @@
     }
 
     .copy-message-btn,
-    .regenerate-message-btn {
+    .regenerate-message-btn,
+    .tts-message-btn {
       top: 0.7rem;
       right: 0.7rem;
       cursor: pointer;
@@ -260,7 +261,8 @@
     }
 
     .copy-message-btn svg,
-    .regenerate-message-btn svg {
+    .regenerate-message-btn svg,
+    .tts-message-btn svg {
       width: 1rem;
       height: 1rem;
     }
@@ -618,6 +620,16 @@
                       </svg>
                     </div>
                   </template>
+                  <template
+                    x-if="message.state == 'succeed' && !!window.speechSynthesis">
+                    <div class="tts-message-btn" @click="handleTTSMessage(message.content)" title="Text to speech">
+                      <svg fill="currentColor" viewBox="0 0 16 16">
+                        <path d="M11.536 14.01A8.47 8.47 0 0 0 14.026 8a8.47 8.47 0 0 0-2.49-6.01l-.708.707A7.48 7.48 0 0 1 13.025 8c0 2.071-.84 3.946-2.197 5.303z"/>
+                        <path d="M10.121 12.596A6.48 6.48 0 0 0 12.025 8a6.48 6.48 0 0 0-1.904-4.596l-.707.707A5.48 5.48 0 0 1 11.025 8a5.48 5.48 0 0 1-1.61 3.89z"/>
+                        <path d="M10.025 8a4.5 4.5 0 0 1-1.318 3.182L8 10.475A3.5 3.5 0 0 0 9.025 8c0-.966-.392-1.841-1.025-2.475l.707-.707A4.5 4.5 0 0 1 10.025 8M7 4a.5.5 0 0 0-.812-.39L3.825 5.5H1.5A.5.5 0 0 0 1 6v4a.5.5 0 0 0 .5.5h2.325l2.363 1.89A.5.5 0 0 0 7 12zM4.312 6.39 6 5.04v5.92L4.312 9.61A.5.5 0 0 0 4 9.5H2v-3h2a.5.5 0 0 0 .312-.11"/>
+                      </svg>
+                    </div>
+                  </template>
                 </div>
               </template>
             </div>
@@ -816,6 +828,19 @@
           this.ask();
         },
 
+        /**
+         * @param {string} messageToUtter
+         */
+        handleTTSMessage(messageToUtter) {
+          if (!!window.speechSynthesis) {
+            if (window.speechSynthesis.speaking || window.speechSynthesis.pending) {
+              window.speechSynthesis.cancel();
+            } else {
+              let utterance = new SpeechSynthesisUtterance(messageToUtter);
+              window.speechSynthesis.speak(utterance);
+            }
+          }
+        },
 
         handleCancelAsk() {
           this.askAbortController?.abort();
-- 
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