103 lines
3.2 KiB
JavaScript
103 lines
3.2 KiB
JavaScript
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/*
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* Copyright (C) 2019 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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let audioSourceUI = null;
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async function audioSettingsInitialize() {
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const optionsContext = getOptionsContext();
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const options = await apiOptionsGet(optionsContext);
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audioSourceUI = new AudioSourceUI.Container(options.audio.sources, $('.audio-source-list'), $('.audio-source-add'));
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audioSourceUI.save = () => settingsSaveOptions();
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textToSpeechInitialize();
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}
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function textToSpeechInitialize() {
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if (typeof speechSynthesis === 'undefined') { return; }
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speechSynthesis.addEventListener('voiceschanged', () => updateTextToSpeechVoices(), false);
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updateTextToSpeechVoices();
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$('#text-to-speech-voice-test').on('click', () => textToSpeechTest());
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}
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function updateTextToSpeechVoices() {
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const voices = Array.prototype.map.call(speechSynthesis.getVoices(), (voice, index) => ({voice, index}));
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voices.sort(textToSpeechVoiceCompare);
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if (voices.length > 0) {
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$('#text-to-speech-voice-container').css('display', '');
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}
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const select = $('#text-to-speech-voice');
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select.empty();
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select.append($('<option>').val('').text('None'));
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for (const {voice} of voices) {
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select.append($('<option>').val(voice.voiceURI).text(`${voice.name} (${voice.lang})`));
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}
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select.val(select.attr('data-value'));
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}
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function languageTagIsJapanese(languageTag) {
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return (
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languageTag.startsWith('ja-') ||
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languageTag.startsWith('jpn-')
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);
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}
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function textToSpeechVoiceCompare(a, b) {
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const aIsJapanese = languageTagIsJapanese(a.voice.lang);
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const bIsJapanese = languageTagIsJapanese(b.voice.lang);
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if (aIsJapanese) {
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if (!bIsJapanese) { return -1; }
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} else {
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if (bIsJapanese) { return 1; }
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}
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const aIsDefault = a.voice.default;
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const bIsDefault = b.voice.default;
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if (aIsDefault) {
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if (!bIsDefault) { return -1; }
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} else {
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if (bIsDefault) { return 1; }
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}
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if (a.index < b.index) { return -1; }
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if (a.index > b.index) { return 1; }
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return 0;
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}
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function textToSpeechTest() {
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try {
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const text = $('#text-to-speech-voice-test').attr('data-speech-text') || '';
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const voiceURI = $('#text-to-speech-voice').val();
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const voice = audioGetTextToSpeechVoice(voiceURI);
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if (voice === null) { return; }
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const utterance = new SpeechSynthesisUtterance(text);
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utterance.lang = 'ja-JP';
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utterance.voice = voice;
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utterance.volume = 1.0;
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speechSynthesis.speak(utterance);
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} catch (e) {
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// NOP
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}
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}
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