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<!DOCTYPE html>
<html>
<head>
<title>Speech Recognition Component</title>
<style>
body {
font-family: system-ui, -apple-system, sans-serif;
padding: 1rem;
max-width: 800px;
margin: 0 auto;
background: #f8f9fa;
}
.container {
background: white;
padding: 1.5rem;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
button {
padding: 0.5rem 1rem;
margin: 0.5rem;
font-size: 1rem;
border: none;
border-radius: 4px;
cursor: pointer;
transition: all 0.2s;
}
button:disabled {
opacity: 0.5;
cursor: not-allowed;
}
#start { background: #28a745; color: white; }
#stop { background: #dc3545; color: white; }
#clear { background: #6c757d; color: white; }
#status {
margin: 1rem 0;
padding: 0.75rem;
border-radius: 4px;
background: #e9ecef;
}
#output {
white-space: pre-wrap;
padding: 1rem;
background: #f8f9fa;
border-radius: 4px;
border: 1px solid #dee2e6;
margin: 1rem 0;
min-height: 100px;
max-height: 400px;
overflow-y: auto;
}
</style>
</head>
<body>
<div class="container">
<input id="myinput" type="hidden" value="" />
<div class="controls">
<button id="start">Start Listening</button>
<button id="stop" disabled>Stop Listening</button>
<button id="clear">Clear Text</button>
</div>
<div id="status">Ready to start speech recognition...</div>
<div id="output"></div>
</div>
<script>
// Check for speech recognition support
if (!('webkitSpeechRecognition' in window)) {
document.getElementById('status').textContent = 'Speech recognition not supported in this browser';
} else {
const recognition = new webkitSpeechRecognition();
const startButton = document.getElementById('start');
const stopButton = document.getElementById('stop');
const clearButton = document.getElementById('clear');
const status = document.getElementById('status');
const output = document.getElementById('output');
let fullTranscript = '';
let lastUpdateTime = Date.now();
// Configure recognition
recognition.continuous = true;
recognition.interimResults = true;
// Start recognition handler
const startRecognition = () => {
try {
recognition.start();
status.textContent = 'Listening...';
startButton.disabled = true;
stopButton.disabled = false;
} catch (e) {
console.error(e);
status.textContent = 'Error starting recognition: ' + e.message;
}
};
// Auto-start on load
window.addEventListener('load', () => {
setTimeout(startRecognition, 1000);
});
// Button handlers
startButton.onclick = startRecognition;
stopButton.onclick = () => {
recognition.stop();
status.textContent = 'Stopped listening';
startButton.disabled = false;
stopButton.disabled = true;
};
clearButton.onclick = () => {
fullTranscript = '';
output.textContent = '';
sendDataToPython({
value: '',
dataType: 'json'
});
};
// Recognition result handler
recognition.onresult = (event) => {
let interimTranscript = '';
let finalTranscript = '';
for (let i = event.resultIndex; i < event.results.length; i++) {
const transcript = event.results[i][0].transcript;
if (event.results[i].isFinal) {
finalTranscript += transcript + '\\n';
} else {
interimTranscript += transcript;
}
}
if (finalTranscript || (Date.now() - lastUpdateTime > 5000)) {
if (finalTranscript) {
fullTranscript += finalTranscript;
}
lastUpdateTime = Date.now();
}
output.textContent = fullTranscript + (interimTranscript ? '... ' + interimTranscript : '');
output.scrollTop = output.scrollHeight;
// Send to Streamlit
sendDataToPython({
value: fullTranscript,
dataType: 'json'
});
};
// Auto-restart recognition
recognition.onend = () => {
if (!stopButton.disabled) {
try {
recognition.start();
console.log('Restarted recognition');
} catch (e) {
console.error('Failed to restart:', e);
status.textContent = 'Error restarting: ' + e.message;
startButton.disabled = false;
stopButton.disabled = true;
}
}
};
recognition.onerror = (event) => {
console.error('Recognition error:', event.error);
status.textContent = 'Error: ' + event.error;
if (event.error === 'not-allowed') {
startButton.disabled = false;
stopButton.disabled = true;
}
};
}
// Streamlit Component Functions
function sendMessageToStreamlitClient(type, data) {
var outData = Object.assign({
isStreamlitMessage: true,
type: type,
}, data);
window.parent.postMessage(outData, "*");
}
function init() {
sendMessageToStreamlitClient("streamlit:componentReady", {apiVersion: 1});
}
function setFrameHeight(height) {
sendMessageToStreamlitClient("streamlit:setFrameHeight", {height: height});
}
function sendDataToPython(data) {
sendMessageToStreamlitClient("streamlit:setComponentValue", data);
}
// Setup event listeners
window.addEventListener("message", (event) => {
if (event.data.type !== "streamlit:render") return;
// Handle any incoming data from Python if needed
});
// Initialize
init();
// Set frame height
window.addEventListener("load", () => {
setTimeout(() => {
setFrameHeight(document.documentElement.clientHeight);
}, 0);
});
</script>
</body>
</html> |