AgentChrome/test-web-speech.html at main · Kishore180994/AgentChrome · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Web Speech API Test</title>
    <style>
      body {
        font-family: Arial, sans-serif;
        max-width: 800px;
        margin: 0 auto;
        padding: 20px;
        background-color: #f5f5f5;
      }
      .container {
        background-color: white;
        border-radius: 10px;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      }
      h1 {
        color: #333;
        text-align: center;
      }
      .controls {
        display: flex;
        justify-content: center;
        margin: 20px 0;
      }
      button {
        background-color: #4a90e2;
        color: white;
        border: none;
        padding: 10px 20px;
        border-radius: 5px;
        cursor: pointer;
        font-size: 16px;
        margin: 0 10px;
      }
      button:hover {
        background-color: #357ab8;
      }
      button.stop {
        background-color: #e25c4a;
      }
      button.stop:hover {
        background-color: #b84735;
      }
      .status {
        text-align: center;
        margin: 10px 0;
        font-weight: bold;
        color: #666;
      }
      .transcript {
        margin-top: 20px;
        padding: 15px;
        background-color: #f9f9f9;
        border-radius: 5px;
        min-height: 100px;
        border: 1px solid #ddd;
      }
      .recording-indicator {
        display: inline-block;
        width: 12px;
        height: 12px;
        background-color: #e25c4a;
        border-radius: 50%;
        margin-right: 10px;
        animation: pulse 1.5s infinite;
      }
      @keyframes pulse {
        0% {
          opacity: 1;
        }
        50% {
          opacity: 0.3;
        }
        100% {
          opacity: 1;
        }
      }
      .log {
        margin-top: 20px;
        padding: 15px;
        background-color: #f0f0f0;
        border-radius: 5px;
        height: 150px;
        overflow-y: auto;
        font-family: monospace;
        font-size: 12px;
        border: 1px solid #ddd;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <h1>Web Speech API Test</h1>

      <div class="controls">
        <button id="startBtn">Start Recording</button>
        <button id="stopBtn" class="stop" disabled>Stop Recording</button>
      </div>

      <div class="status" id="status">Ready</div>

      <div class="transcript" id="transcript">
        <p>Transcript will appear here...</p>
      </div>

      <div class="log" id="log">
        <p>Logs will appear here...</p>
      </div>
    </div>

    <script>
      // DOM elements
      const startBtn = document.getElementById("startBtn");
      const stopBtn = document.getElementById("stopBtn");
      const statusEl = document.getElementById("status");
      const transcriptEl = document.getElementById("transcript");
      const logEl = document.getElementById("log");

      // Variables
      let recognition = null;
      let isRecording = false;
      let transcript = "";

      // Log function
      function log(message) {
        const logEntry = document.createElement("p");
        logEntry.textContent = `${new Date().toLocaleTimeString()}: ${message}`;
        logEl.appendChild(logEntry);
        logEl.scrollTop = logEl.scrollHeight;
        console.log(message);
      }

      // Check if Web Speech API is supported
      if (
        !("webkitSpeechRecognition" in window) &&
        !("SpeechRecognition" in window)
      ) {
        log("Web Speech API is not supported in this browser");
        statusEl.textContent = "Error: Web Speech API not supported";
        startBtn.disabled = true;
      } else {
        log("Web Speech API is supported");
      }

      // Initialize speech recognition
      function initSpeechRecognition() {
        const SpeechRecognition =
          window.SpeechRecognition || window.webkitSpeechRecognition;

        if (!SpeechRecognition) {
          log(
            "SpeechRecognition not found even though it was detected earlier"
          );
          return false;
        }

        recognition = new SpeechRecognition();
        recognition.continuous = true;
        recognition.interimResults = true;
        recognition.lang = "en-US";

        // Set up event handlers
        recognition.onstart = () => {
          log("Speech recognition started");
          isRecording = true;
          updateStatus("Listening...", true);
          startBtn.disabled = true;
          stopBtn.disabled = false;
        };

        recognition.onresult = (event) => {
          let finalTranscript = "";
          let interimTranscript = "";

          for (let i = event.resultIndex; i < event.results.length; i++) {
            const result = event.results[i];
            const text = result[0].transcript;

            if (result.isFinal) {
              finalTranscript += text;
              log(`Final transcript: ${text}`);
            } else {
              interimTranscript += text;
              log(`Interim transcript: ${text}`);
            }
          }

          if (finalTranscript) {
            transcript += finalTranscript + " ";
          }

          updateTranscript(transcript, interimTranscript);
        };

        recognition.onerror = (event) => {
          log(
            `Speech recognition error: ${event.error} - ${
              event.message || "No message"
            }`
          );
          updateStatus(`Error: ${event.error}`);

          if (event.error === "not-allowed") {
            log("Microphone permission denied");
            updateStatus(
              "Error: Microphone access denied. Please allow microphone access in your browser settings."
            );
            stopRecording();
          }
        };

        recognition.onend = () => {
          log("Speech recognition ended");

          if (isRecording) {
            // Try to restart if we're still supposed to be recording
            try {
              log("Attempting to restart recognition...");
              recognition.start();
              log("Recognition restarted successfully");
            } catch (err) {
              log(`Failed to restart recognition: ${err.message}`);
              stopRecording();
            }
          }
        };

        return true;
      }

      // Start recording
      async function startRecording() {
        if (isRecording) return;

        try {
          // Request microphone permission
          log("Requesting microphone permission...");
          await navigator.mediaDevices.getUserMedia({ audio: true });
          log("Microphone permission granted");

          // Initialize speech recognition if not already done
          if (!recognition && !initSpeechRecognition()) {
            return;
          }

          // Start recognition
          recognition.start();
        } catch (err) {
          log(`Error starting recording: ${err.message}`);
          updateStatus(
            "Error: Microphone access denied. Please allow microphone access in your browser settings."
          );
        }
      }

      // Stop recording
      function stopRecording() {
        if (!isRecording) return;

        if (recognition) {
          try {
            recognition.stop();
            log("Recognition stopped");
          } catch (err) {
            log(`Error stopping recognition: ${err.message}`);
          }
        }

        isRecording = false;
        updateStatus("Stopped");
        startBtn.disabled = false;
        stopBtn.disabled = true;
      }

      // Update status display
      function updateStatus(message, isRecording = false) {
        if (isRecording) {
          statusEl.innerHTML = `<span class="recording-indicator"></span>${message}`;
        } else {
          statusEl.textContent = message;
        }
      }

      // Update transcript display
      function updateTranscript(final, interim = "") {
        if (final || interim) {
          transcriptEl.innerHTML = `<p>${final}<span style="color: #999;">${interim}</span></p>`;
        } else {
          transcriptEl.innerHTML = "<p>Transcript will appear here...</p>";
        }
      }

      // Event listeners
      startBtn.addEventListener("click", startRecording);
      stopBtn.addEventListener("click", stopRecording);

      // Initialize
      log("Page loaded");
      updateStatus("Ready");
    </script>
  </body>
</html>