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/** |
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* WordPress dependencies |
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*/ |
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import { __ } from '@wordpress/i18n'; |
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import { SelectControl, Spinner } from '@wordpress/components'; |
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import { useSelect } from '@wordpress/data'; |
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import { useEffect, useRef, useState } from '@wordpress/element'; |
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import { decodeEntities } from '@wordpress/html-entities'; |
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|
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/** |
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* Internal dependencies |
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*/ |
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import { |
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NATIVE_ALL, |
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NATIVE_ONLY, |
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filterVoicesByNative, |
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findLanguageByCode, |
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getAccentsForName, |
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getLanguageModels, |
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getLanguageNames, |
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voiceIsNative, |
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voiceModelKey, |
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} from '../settings-panel/helpers'; |
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import Stack from '../stack'; |
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|
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/** |
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* The Language → Accent → Native → Model → Voice pickers. |
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* |
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* Shared by the post sidebar and the block inspector; the caller owns where the |
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* pair is stored and when it is fetched. |
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* |
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* @param {Object} props |
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* @param {boolean} props.enabled Whether to fetch and show the fields. |
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* @param {string} props.languageCode The selected language code. |
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* @param {string} props.voiceId The selected voice id. |
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* @param {Object} [props.seed] A { languageCode, voiceId } pair to start from. |
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* @param {Function} props.onChange Passed the next { languageCode, voiceId } pair. |
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* |
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* @return {Element|null} The pickers. |
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*/ |
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export function VoicePicker( { |
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enabled = true, |
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languageCode = '', |
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voiceId = '', |
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seed, |
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onChange, |
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} ) { |
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// Fetched lazily behind `enabled` — a default post makes no language/voice API calls. |
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const languages = useSelect( |
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( select ) => |
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enabled ? select( 'beyondwords/settings' ).getLanguages() : [], |
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[ enabled ] |
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); |
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|
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const voices = useSelect( |
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( select ) => |
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enabled && languageCode |
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? select( 'beyondwords/settings' ).getVoices( languageCode ) |
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: [], |
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[ enabled, languageCode ] |
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); |
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|
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// `hasFinishedResolution` is monotonic; `isResolving` flip-flops and leaves a |
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// one-frame gap where stale voices show. |
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const languagesResolving = useSelect( |
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( select ) => |
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enabled && |
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! select( 'beyondwords/settings' ).hasFinishedResolution( |
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'getLanguages', |
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[] |
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), |
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[ enabled ] |
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); |
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|
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const voicesResolving = useSelect( |
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( select ) => |
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enabled && |
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!! languageCode && |
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! select( 'beyondwords/settings' ).hasFinishedResolution( |
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'getVoices', |
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[ languageCode ] |
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), |
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[ enabled, languageCode ] |
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); |
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|
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// Start from what the caller says this already inherits, so picking a |
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// different voice in the same language costs one click, not four. |
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// |
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// Two steps, because the voice can only be trusted once the language's own |
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// list is back to confirm it offers it: 0 = untouched, 1 = language in, |
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// 2 = settled. |
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const seedStep = useRef( 0 ); |
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|
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useEffect( () => { |
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if ( ! enabled || seedStep.current !== 0 ) { |
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return; |
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} |
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|
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// Anything already chosen wins over the seed. |
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if ( languageCode || voiceId ) { |
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seedStep.current = 2; |
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return; |
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} |
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|
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if ( ! seed?.languageCode ) { |
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return; |
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} |
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|
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seedStep.current = 1; |
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onChange( { languageCode: seed.languageCode, voiceId: '' } ); |
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// eslint-disable-next-line react-hooks/exhaustive-deps |
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}, [ enabled, seed?.languageCode, languageCode, voiceId ] ); |
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|
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useEffect( () => { |
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if ( seedStep.current !== 1 || voicesResolving ) { |
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return; |
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} |
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|
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if ( ! seed?.voiceId || languageCode !== seed.languageCode ) { |
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return; |
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} |
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|
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seedStep.current = 2; |
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|
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// A project's default voice need not speak the project's language. |
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const offered = ( voices ?? [] ).some( |
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( voice ) => String( voice.id ) === String( seed.voiceId ) |
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); |
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|
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if ( offered ) { |
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onChange( { languageCode, voiceId: String( seed.voiceId ) } ); |
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} |
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// eslint-disable-next-line react-hooks/exhaustive-deps |
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}, [ seed, languageCode, voices, voicesResolving ] ); |
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|
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const [ nativeFilter, setNativeFilter ] = useState( NATIVE_ONLY ); |
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|
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// Open on "All" when the saved voice is not native to the language, so that |
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// voice stays visible in the list. |
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const nativeSeeded = useRef( false ); |
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useEffect( () => { |
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if ( nativeSeeded.current || ! enabled || voicesResolving ) { |
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return; |
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} |
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const saved = ( voices ?? [] ).find( |
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( voice ) => String( voice.id ) === String( voiceId ) |
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); |
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if ( voiceId && ! saved ) { |
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return; |
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} |
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nativeSeeded.current = true; |
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if ( saved && languageCode && ! voiceIsNative( saved, languageCode ) ) { |
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setNativeFilter( NATIVE_ALL ); |
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} |
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}, [ enabled, voicesResolving, voices, voiceId, languageCode ] ); |
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|
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const setVoiceId = ( value ) => { |
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onChange( { languageCode, voiceId: value } ); |
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}; |
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|
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// Seeds the language's default body voice, so a stored language always |
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// carries a voice that can speak it. |
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const setLanguageCode = ( value ) => { |
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const language = ( languages ?? [] ).find( |
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( item ) => decodeEntities( item.code ) === value |
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); |
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const defaultVoiceId = language?.default_voices?.body?.id; |
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|
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onChange( { |
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languageCode: value, |
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voiceId: defaultVoiceId ? String( defaultVoiceId ) : '', |
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} ); |
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}; |
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|
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const setLanguageName = ( name ) => { |
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const first = getAccentsForName( languages, name )[ 0 ]; |
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setLanguageCode( first ? first.value : '' ); |
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}; |
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|
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// The Accent select carries the language CODE — it is the stored value, and |
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// a (name, accent) pair maps to exactly one code. |
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const selectedLanguage = findLanguageByCode( languages, languageCode ); |
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const languageName = selectedLanguage |
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? decodeEntities( selectedLanguage.name ) |
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: ''; |
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|
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const languageNameOptions = [ |
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{ label: __( 'Select a language…', 'speechkit' ), value: '' }, |
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...getLanguageNames( languages ).map( ( name ) => ( { |
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label: name, |
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value: name, |
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} ) ), |
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]; |
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|
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const accentOptions = getAccentsForName( languages, languageName ); |
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|
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const showAccent = accentOptions.length > 1; |
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|
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const filteredVoices = filterVoicesByNative( |
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voices, |
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languageCode, |
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nativeFilter, |
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voiceId |
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); |
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|
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// "Model" is a language-level filter over the voices; with a single bucket |
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// there is no Model dropdown and every voice is listed. |
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const models = getLanguageModels( filteredVoices ); |
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const showModel = models.length > 1; |
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|
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const selectedVoice = filteredVoices.find( |
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( voice ) => String( voice.id ) === String( voiceId ) |
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); |
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// Derived from the selected voice — we persist only the voice id. |
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const selectedModelKey = selectedVoice |
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? voiceModelKey( selectedVoice ) |
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: ''; |
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|
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const bucketVoices = showModel |
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? filteredVoices.filter( |
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( voice ) => voiceModelKey( voice ) === selectedModelKey |
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) |
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: filteredVoices; |
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|
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const hasVoices = filteredVoices.length > 0; |
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|
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// Model gates the Voice list: hide Voice until a model is chosen. |
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const showVoice = hasVoices && ( ! showModel || '' !== selectedModelKey ); |
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|
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const modelOptions = [ |
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{ label: __( 'Select a model', 'speechkit' ), value: '' }, |
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...models.map( ( model ) => ( { |
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label: decodeEntities( model.label ), |
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value: model.key, |
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} ) ), |
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]; |
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|
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const voiceOptions = [ |
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{ label: __( 'Select a voice', 'speechkit' ), value: '' }, |
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...bucketVoices.map( ( voice ) => ( { |
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label: decodeEntities( voice.name ), |
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value: String( voice.id ), |
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} ) ), |
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]; |
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|
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// Picking a Model selects that bucket's first voice, so a concrete voice is |
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// always stored (the voice carries the model). |
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const setModel = ( key ) => { |
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const first = filteredVoices.find( |
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( voice ) => voiceModelKey( voice ) === key |
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); |
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setVoiceId( first ? String( first.id ) : '' ); |
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}; |
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|
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if ( ! enabled ) { |
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return null; |
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} |
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|
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if ( languagesResolving ) { |
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return ( |
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<div className="beyondwords--languages-spinner"> |
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<Spinner /> |
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</div> |
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); |
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} |
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|
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return ( |
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<Stack> |
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<SelectControl |
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className="beyondwords--language" |
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label={ __( 'Language', 'speechkit' ) } |
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options={ languageNameOptions } |
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value={ languageName } |
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onChange={ setLanguageName } |
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__nextHasNoMarginBottom |
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__next40pxDefaultSize |
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/> |
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{ showAccent && ( |
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<SelectControl |
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className="beyondwords--accent" |
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label={ __( 'Accent', 'speechkit' ) } |
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options={ accentOptions } |
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value={ languageCode } |
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onChange={ setLanguageCode } |
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__nextHasNoMarginBottom |
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__next40pxDefaultSize |
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/> |
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) } |
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{ languageCode && ( |
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<SelectControl |
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className="beyondwords--native" |
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label={ __( 'Native', 'speechkit' ) } |
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options={ [ |
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{ |
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label: __( 'Native', 'speechkit' ), |
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value: NATIVE_ONLY, |
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}, |
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{ label: __( 'All', 'speechkit' ), value: NATIVE_ALL }, |
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] } |
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value={ nativeFilter } |
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onChange={ setNativeFilter } |
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__nextHasNoMarginBottom |
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__next40pxDefaultSize |
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/> |
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) } |
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{ languageCode && ( showModel || showVoice ) && ( |
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// Hidden with an inline style rather than unmounted, so the |
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// <select> can't detach mid-interaction or lose to component CSS. |
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<div |
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className="beyondwords--voice-fields" |
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style={ voicesResolving ? { display: 'none' } : undefined } |
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> |
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<Stack> |
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{ showModel && ( |
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<SelectControl |
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className="beyondwords--model" |
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label={ __( 'Model', 'speechkit' ) } |
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options={ modelOptions } |
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value={ selectedModelKey } |
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onChange={ setModel } |
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__nextHasNoMarginBottom |
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__next40pxDefaultSize |
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/> |
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) } |
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{ showVoice && ( |
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<SelectControl |
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className="beyondwords--voice" |
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label={ __( 'Voice', 'speechkit' ) } |
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options={ voiceOptions } |
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value={ String( voiceId ) } |
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onChange={ setVoiceId } |
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__nextHasNoMarginBottom |
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__next40pxDefaultSize |
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/> |
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) } |
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</Stack> |
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</div> |
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) } |
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{ languageCode && voicesResolving && ( |
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<div className="beyondwords--voice-spinner"> |
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<Spinner /> |
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</div> |
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) } |
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</Stack> |
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); |
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} |
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|
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export default VoicePicker; |
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|
