51 lines
1.6 KiB
JavaScript
51 lines
1.6 KiB
JavaScript
// META: script=/resources/WebIDLParser.js
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// META: script=/resources/idlharness.js
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// META: timeout=long
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'use strict';
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// https://w3c.github.io/speech-api/#dom-speechsynthesis-getvoices can
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// return an empty list and a voiceschanged event is fired if the list of
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// voices is determined asynchronously.
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function getVoices() {
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return new Promise(resolve => {
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const voices = speechSynthesis.getVoices();
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if (voices.length) {
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resolve(voices);
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} else {
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// wait for voiceschanged event
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speechSynthesis.addEventListener('voiceschanged', () => {
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resolve(speechSynthesis.getVoices());
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}, { once: true });
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}
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});
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}
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idl_test(
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['speech-api'],
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['dom', 'html'],
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(idl_array, t) => {
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idl_array.add_objects({
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SpeechGrammar: ['new SpeechGrammar()'],
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SpeechGrammarList: ['new SpeechGrammarList()'],
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SpeechRecognition: ['new SpeechRecognition()'],
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// TODO: SpeechRecognitionAlternative
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// TODO: SpeechRecognitionErrorEvent
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// TODO: SpeechRecognitionEvent
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// TODO: SpeechRecognitionResult
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// TODO: SpeechRecognitionResultList
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SpeechSynthesis: ['speechSynthesis'],
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// TODO: SpeechSynthesisErrorEvent
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// TODO: SpeechSynthesisEvent
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SpeechSynthesisUtterance: ['new SpeechSynthesisUtterance()'],
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SpeechSynthesisVoice: ['voice'],
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Window: ['self'],
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});
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const awaitVoice = getVoices().then(voices => self.voice = voices[0]);
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const timeout = new Promise((_, reject) => {
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t.step_timeout(() => reject('Timed out waiting for voice'), 3000);
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});
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return Promise.race([awaitVoice, timeout]);
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}
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);
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