121 lines
3.7 KiB
JavaScript
121 lines
3.7 KiB
JavaScript
// speech.js - Handles webkitSpeechRecognition inside the injected iframe
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let recognition = null;
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let isRecording = false;
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let localStream = null;
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function stopMediaTracks() {
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if (localStream) {
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localStream.getTracks().forEach(track => track.stop());
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localStream = null;
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}
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}
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function initRecognition(language) {
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if (recognition) return recognition;
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const SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
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if (!SpeechRecognition) {
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throw new Error('Speech recognition not supported');
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}
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recognition = new SpeechRecognition();
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recognition.continuous = true;
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recognition.interimResults = true;
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recognition.lang = language || 'ar-SA';
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recognition.maxAlternatives = 1;
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recognition.onresult = (event) => {
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let interimText = '';
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let finalText = '';
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for (let i = 0; i < event.results.length; i++) {
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const result = event.results[i];
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if (result.isFinal) {
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finalText += result[0].transcript + ' ';
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} else {
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interimText += result[0].transcript;
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}
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}
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window.parent.postMessage({
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type: 'SPEECH_RESULT',
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payload: { interimText, finalText }
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}, '*');
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};
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recognition.onerror = (event) => {
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console.error('[Speech Iframe] Recognition error:', event.error);
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if (event.error !== 'no-speech') {
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isRecording = false;
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stopMediaTracks();
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}
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window.parent.postMessage({
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type: 'SPEECH_ERROR',
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payload: { error: event.error }
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}, '*');
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};
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recognition.onend = () => {
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if (isRecording) {
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try {
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recognition.start();
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} catch (e) {
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console.warn('[Speech Iframe] Restart failed:', e);
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}
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} else {
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stopMediaTracks();
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window.parent.postMessage({ type: 'SPEECH_END' }, '*');
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}
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};
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return recognition;
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}
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// Listen for messages broadcasted across the extension
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window.addEventListener('message', (event) => {
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const message = event.data;
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if (!message || !message.type) return;
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if (message.type === 'START_RECORDING_FROM_POPUP') {
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const lang = message.payload?.language || 'ar-SA';
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navigator.mediaDevices.getUserMedia({ audio: true })
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.then((stream) => {
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localStream = stream;
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try {
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if (!recognition || recognition.lang !== lang) {
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recognition = initRecognition(lang);
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}
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if (!isRecording) {
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recognition.start();
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isRecording = true;
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// Tell popup it started successfully
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window.parent.postMessage({ type: 'SPEECH_START_SUCCESS' }, '*');
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}
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} catch (e) {
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console.error('[Speech Iframe] Failed to start:', e);
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window.parent.postMessage({ type: 'SPEECH_ERROR', payload: { error: e.message } }, '*');
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}
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})
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.catch((err) => {
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console.error('[Speech Iframe] getUserMedia failed:', err);
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window.parent.postMessage({ type: 'SPEECH_ERROR', payload: { error: 'not-allowed' } }, '*');
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});
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}
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if (message.type === 'STOP_RECORDING_FROM_POPUP') {
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if (isRecording && recognition) {
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isRecording = false;
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try {
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recognition.stop();
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} catch (e) {
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console.warn('[Speech Iframe] Stop failed:', e);
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}
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}
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stopMediaTracks();
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}
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});
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