File: C:/Users/fred/anaconda3/Lib/site-packages/panel/dist/lib/models/speech_to_text.js
import { HTMLBox, HTMLBoxView } from "./layout";
const iconStarted = `<svg xmlns="http://www.w3.org/2000/svg" height="22px" style="vertical-align: middle;" fill="currentColor" class="bi bi-mic" viewBox="0 0 16 16">
<path fill-rule="evenodd" d="M3.5 6.5A.5.5 0 0 1 4 7v1a4 4 0 0 0 8 0V7a.5.5 0 0 1 1 0v1a5 5 0 0 1-4.5 4.975V15h3a.5.5 0 0 1 0 1h-7a.5.5 0 0 1 0-1h3v-2.025A5 5 0 0 1 3 8V7a.5.5 0 0 1 .5-.5z"/>
<path fill-rule="evenodd" d="M10 8V3a2 2 0 1 0-4 0v5a2 2 0 1 0 4 0zM8 0a3 3 0 0 0-3 3v5a3 3 0 0 0 6 0V3a3 3 0 0 0-3-3z"/>
</svg>`;
const iconNotStarted = `<svg xmlns="http://www.w3.org/2000/svg" height="22px" style="vertical-align: middle;" fill="currentColor" class="bi bi-mic-mute" viewBox="0 0 16 16">
<path fill-rule="evenodd" d="M12.734 9.613A4.995 4.995 0 0 0 13 8V7a.5.5 0 0 0-1 0v1c0 .274-.027.54-.08.799l.814.814zm-2.522 1.72A4 4 0 0 1 4 8V7a.5.5 0 0 0-1 0v1a5 5 0 0 0 4.5 4.975V15h-3a.5.5 0 0 0 0 1h7a.5.5 0 0 0 0-1h-3v-2.025a4.973 4.973 0 0 0 2.43-.923l-.718-.719zM11 7.88V3a3 3 0 0 0-5.842-.963l.845.845A2 2 0 0 1 10 3v3.879l1 1zM8.738 9.86l.748.748A3 3 0 0 1 5 8V6.121l1 1V8a2 2 0 0 0 2.738 1.86zm4.908 3.494l-12-12 .708-.708 12 12-.708.707z"/>
</svg>`;
const titleStarted = "Click to STOP the speech recognition.";
const titleNotStarted = "Click to START the speech recognition.";
const { webkitSpeechRecognition } = window;
const { webkitSpeechGrammarList } = window;
function htmlToElement(html) {
const template = document.createElement("template");
html = html.trim(); // Never return a text node of whitespace as the result
template.innerHTML = html;
return template.content.firstChild;
}
function deserializeGrammars(grammars) {
if (grammars) {
const speechRecognitionList = new webkitSpeechGrammarList();
for (const grammar of grammars) {
if (grammar.src) {
speechRecognitionList.addFromString(grammar.src, grammar.weight);
}
else if (grammar.uri) {
speechRecognitionList.addFromURI(grammar.uri, grammar.weight);
}
}
return speechRecognitionList;
}
else {
return null;
}
}
function round(value) {
return Math.round((value + Number.EPSILON) * 100) / 100;
}
function serializeResults(results_) {
const results = [];
for (const result of results_) {
const alternatives = [];
const item = { is_final: result.isFinal, alternatives };
for (let i = 0; i < result.length; i++) {
const alternative = {
confidence: round(result[i].confidence),
transcript: result[i].transcript,
};
alternatives.push(alternative);
}
item.alternatives = alternatives;
results.push(item);
}
return results;
}
export class SpeechToTextView extends HTMLBoxView {
static __name__ = "SpeechToTextView";
recognition;
buttonEl;
initialize() {
super.initialize();
this.recognition = new webkitSpeechRecognition();
this.recognition.lang = this.model.lang;
this.recognition.continuous = this.model.continuous;
this.recognition.interimResults = this.model.interim_results;
this.recognition.maxAlternatives = this.model.max_alternatives;
this.recognition.serviceURI = this.model.service_uri;
this.setGrammars();
this.recognition.onresult = (event) => {
this.model.results = serializeResults(event.results);
};
this.recognition.onerror = (event) => {
console.error(`SpeechToText Error: ${event}`);
};
this.recognition.onnomatch = (event) => {
console.warn(`SpeechToText No Match: ${event}`);
};
this.recognition.onaudiostart = () => this.model.audio_started = true;
this.recognition.onaudioend = () => this.model.audio_started = false;
this.recognition.onsoundstart = () => this.model.sound_started = true;
this.recognition.onsoundend = () => this.model.sound_started = false;
this.recognition.onspeechstart = () => this.model.speech_started = true;
this.recognition.onspeechend = () => this.model.speech_started = false;
this.recognition.onstart = () => {
this.buttonEl.onclick = () => {
this.recognition.stop();
};
this.buttonEl.innerHTML = this.iconStarted();
this.buttonEl.setAttribute("title", titleStarted);
this.model.started = true;
};
this.recognition.onend = () => {
this.buttonEl.onclick = () => {
this.recognition.start();
};
this.buttonEl.innerHTML = this.iconNotStarted();
this.buttonEl.setAttribute("title", titleNotStarted);
this.model.started = false;
};
this.buttonEl = htmlToElement(`<button class="bk bk-btn bk-btn-${this.model.button_type}" type="button" title="${titleNotStarted}"></button>`);
this.buttonEl.innerHTML = this.iconNotStarted();
this.buttonEl.onclick = () => this.recognition.start();
}
iconStarted() {
if (this.model.button_started !== "") {
return this.model.button_started;
}
else {
return iconStarted;
}
}
iconNotStarted() {
if (this.model.button_not_started !== "") {
return this.model.button_not_started;
}
else {
return iconNotStarted;
}
}
setIcon() {
if (this.model.started) {
this.buttonEl.innerHTML = this.iconStarted();
}
else {
this.buttonEl.innerHTML = this.iconNotStarted();
}
}
connect_signals() {
super.connect_signals();
const { start, stop, abort, grammars, lang, continuous, interim_results, max_alternatives, service_uri, button_type, button_hide, button_not_started, button_started, } = this.model.properties;
this.on_change(start, () => {
this.model.start = false;
this.recognition.start();
});
this.on_change(stop, () => {
this.model.stop = false;
this.recognition.stop();
});
this.on_change(abort, () => {
this.model.abort = false;
this.recognition.abort();
});
this.on_change(grammars, () => this.setGrammars());
this.on_change(lang, () => this.recognition.lang = this.model.lang);
this.on_change(continuous, () => this.recognition.continuous = this.model.continuous);
this.on_change(interim_results, () => this.recognition.interimResults = this.model.interim_results);
this.on_change(max_alternatives, () => this.recognition.maxAlternatives = this.model.max_alternatives);
this.on_change(service_uri, () => this.recognition.serviceURI = this.model.service_uri);
this.on_change(button_type, () => this.buttonEl.className = `bk bk-btn bk-btn-${this.model.button_type}`);
this.on_change(button_hide, () => this.render());
this.on_change([button_not_started, button_started], () => this.setIcon());
}
setGrammars() {
this.recognition.grammars = deserializeGrammars(this.model.grammars);
}
render() {
super.render();
if (!this.model.button_hide) {
this.shadow_el.appendChild(this.buttonEl);
}
}
}
export class SpeechToText extends HTMLBox {
static __name__ = "SpeechToText";
constructor(attrs) {
super(attrs);
}
static __module__ = "panel.models.speech_to_text";
static {
this.prototype.default_view = SpeechToTextView;
this.define(({ Any, List, Bool, Float, Str }) => ({
start: [Bool, false],
stop: [Bool, false],
abort: [Bool, false],
grammars: [List(Any), []],
lang: [Str, ""],
continuous: [Bool, false],
interim_results: [Bool, false],
max_alternatives: [Float, 1],
service_uri: [Str, ""],
started: [Bool, false],
audio_started: [Bool, false],
sound_started: [Bool, false],
speech_started: [Bool, false],
button_type: [Str, "light"],
button_hide: [Bool, false],
button_not_started: [Str, ""],
button_started: [Str, ""],
results: [List(Any), []],
}));
}
}
//# sourceMappingURL=speech_to_text.js.map