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