yomichan/ext/js/pages/settings/audio-controller.js

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/*
* Copyright (C) 2019-2022 Yomichan Authors
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*
* 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
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
* AudioSystem
*/
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class AudioController extends EventDispatcher {
constructor(settingsController, modalController) {
super();
this._settingsController = settingsController;
this._modalController = modalController;
this._audioSystem = new AudioSystem();
this._audioSourceContainer = null;
this._audioSourceAddButton = null;
this._audioSourceEntries = [];
this._voiceTestTextInput = null;
this._voices = [];
}
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get settingsController() {
return this._settingsController;
}
get modalController() {
return this._modalController;
}
async prepare() {
this._audioSystem.prepare();
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this._voiceTestTextInput = document.querySelector('#text-to-speech-voice-test-text');
this._audioSourceContainer = document.querySelector('#audio-source-list');
this._audioSourceAddButton = document.querySelector('#audio-source-add');
this._audioSourceContainer.textContent = '';
this._audioSourceAddButton.addEventListener('click', this._onAddAudioSource.bind(this), false);
this._audioSystem.on('voiceschanged', this._updateTextToSpeechVoices.bind(this), false);
this._updateTextToSpeechVoices();
document.querySelector('#text-to-speech-voice-test').addEventListener('click', this._onTestTextToSpeech.bind(this), false);
this._settingsController.on('optionsChanged', this._onOptionsChanged.bind(this));
const options = await this._settingsController.getOptions();
this._onOptionsChanged({options});
}
async removeSource(entry) {
const {index} = entry;
this._audioSourceEntries.splice(index, 1);
entry.cleanup();
for (let i = index, ii = this._audioSourceEntries.length; i < ii; ++i) {
this._audioSourceEntries[i].index = i;
}
await this._settingsController.modifyProfileSettings([{
action: 'splice',
path: 'audio.sources',
start: index,
deleteCount: 1,
items: []
}]);
}
getVoices() {
return this._voices;
}
setTestVoice(voice) {
this._voiceTestTextInput.dataset.voice = voice;
}
// Private
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_onOptionsChanged({options}) {
for (const entry of this._audioSourceEntries) {
entry.cleanup();
}
this._audioSourceEntries = [];
const {sources} = options.audio;
for (let i = 0, ii = sources.length; i < ii; ++i) {
this._createAudioSourceEntry(i, sources[i]);
}
}
_onAddAudioSource() {
this._addAudioSource();
}
_onTestTextToSpeech() {
try {
const text = this._voiceTestTextInput.value || '';
const voiceUri = this._voiceTestTextInput.dataset.voice;
const audio = this._audioSystem.createTextToSpeechAudio(text, voiceUri);
audio.volume = 1.0;
audio.play();
} catch (e) {
// NOP
}
}
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_updateTextToSpeechVoices() {
const voices = (
typeof speechSynthesis !== 'undefined' ?
[...speechSynthesis.getVoices()].map((voice, index) => ({
voice,
isJapanese: this._languageTagIsJapanese(voice.lang),
index
})) :
[]
);
voices.sort(this._textToSpeechVoiceCompare.bind(this));
this._voices = voices;
this.trigger('voicesUpdated');
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}
_textToSpeechVoiceCompare(a, b) {
if (a.isJapanese) {
if (!b.isJapanese) { return -1; }
} else {
if (b.isJapanese) { return 1; }
}
if (a.voice.default) {
if (!b.voice.default) { return -1; }
} else {
if (b.voice.default) { return 1; }
}
return a.index - b.index;
}
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_languageTagIsJapanese(languageTag) {
return (
languageTag.startsWith('ja_') ||
languageTag.startsWith('ja-') ||
languageTag.startsWith('jpn-')
);
}
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_createAudioSourceEntry(index, source) {
const node = this._settingsController.instantiateTemplate('audio-source');
const entry = new AudioSourceEntry(this, index, source, node);
this._audioSourceEntries.push(entry);
this._audioSourceContainer.appendChild(node);
entry.prepare();
}
_getUnusedAudioSourceType() {
const typesAvailable = [
'jpod101',
'jpod101-alternate',
'jisho',
'custom'
];
for (const type of typesAvailable) {
if (!this._audioSourceEntries.some((entry) => entry.type === type)) {
return type;
}
}
return typesAvailable[0];
}
async _addAudioSource() {
const type = this._getUnusedAudioSourceType();
const source = {type, url: '', voice: ''};
const index = this._audioSourceEntries.length;
this._createAudioSourceEntry(index, source);
await this._settingsController.modifyProfileSettings([{
action: 'splice',
path: 'audio.sources',
start: index,
deleteCount: 0,
items: [source]
}]);
}
}
class AudioSourceEntry {
constructor(parent, index, source, node) {
this._parent = parent;
this._index = index;
this._type = source.type;
this._url = source.url;
this._voice = source.voice;
this._node = node;
this._eventListeners = new EventListenerCollection();
this._typeSelect = null;
this._urlInput = null;
this._voiceSelect = null;
}
get index() {
return this._index;
}
set index(value) {
this._index = value;
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}
get type() {
return this._type;
}
prepare() {
this._updateTypeParameter();
const menuButton = this._node.querySelector('.audio-source-menu-button');
this._typeSelect = this._node.querySelector('.audio-source-type-select');
this._urlInput = this._node.querySelector('.audio-source-parameter-container[data-field=url] .audio-source-parameter');
this._voiceSelect = this._node.querySelector('.audio-source-parameter-container[data-field=voice] .audio-source-parameter');
this._typeSelect.value = this._type;
this._urlInput.value = this._url;
this._eventListeners.addEventListener(this._typeSelect, 'change', this._onTypeSelectChange.bind(this), false);
this._eventListeners.addEventListener(this._urlInput, 'change', this._onUrlInputChange.bind(this), false);
this._eventListeners.addEventListener(this._voiceSelect, 'change', this._onVoiceSelectChange.bind(this), false);
this._eventListeners.addEventListener(menuButton, 'menuOpen', this._onMenuOpen.bind(this), false);
this._eventListeners.addEventListener(menuButton, 'menuClose', this._onMenuClose.bind(this), false);
this._eventListeners.on(this._parent, 'voicesUpdated', this._onVoicesUpdated.bind(this));
this._onVoicesUpdated();
}
cleanup() {
if (this._node.parentNode !== null) {
this._node.parentNode.removeChild(this._node);
}
this._eventListeners.removeAllEventListeners();
}
// Private
_onVoicesUpdated() {
const voices = this._parent.getVoices();
const fragment = document.createDocumentFragment();
let option = document.createElement('option');
option.value = '';
option.textContent = 'None';
fragment.appendChild(option);
for (const {voice} of voices) {
option = document.createElement('option');
option.value = voice.voiceURI;
option.textContent = `${voice.name} (${voice.lang})`;
fragment.appendChild(option);
}
this._voiceSelect.textContent = '';
this._voiceSelect.appendChild(fragment);
this._voiceSelect.value = this._voice;
}
_onTypeSelectChange(e) {
this._setType(e.currentTarget.value);
}
_onUrlInputChange(e) {
this._setUrl(e.currentTarget.value);
}
_onVoiceSelectChange(e) {
this._setVoice(e.currentTarget.value);
}
_onMenuOpen(e) {
const {menu} = e.detail;
let hasHelp = false;
switch (this._type) {
case 'custom':
case 'custom-json':
case 'text-to-speech':
case 'text-to-speech-reading':
hasHelp = true;
break;
}
menu.bodyNode.querySelector('.popup-menu-item[data-menu-action=help]').hidden = !hasHelp;
}
_onMenuClose(e) {
switch (e.detail.action) {
case 'help':
this._showHelp(this._type);
break;
case 'remove':
this._parent.removeSource(this);
break;
}
}
async _setType(value) {
this._type = value;
this._updateTypeParameter();
await this._parent.settingsController.setProfileSetting(`audio.sources[${this._index}].type`, value);
}
async _setUrl(value) {
this._url = value;
await this._parent.settingsController.setProfileSetting(`audio.sources[${this._index}].url`, value);
}
async _setVoice(value) {
this._voice = value;
await this._parent.settingsController.setProfileSetting(`audio.sources[${this._index}].voice`, value);
}
_updateTypeParameter() {
let field = null;
switch (this._type) {
case 'custom':
case 'custom-json':
field = 'url';
break;
case 'text-to-speech':
case 'text-to-speech-reading':
field = 'voice';
break;
}
for (const node of this._node.querySelectorAll('.audio-source-parameter-container')) {
node.hidden = (field === null || node.dataset.field !== field);
}
}
_showHelp(type) {
switch (type) {
case 'custom':
this._showModal('audio-source-help-custom');
break;
case 'custom-json':
this._showModal('audio-source-help-custom-json');
break;
case 'text-to-speech':
case 'text-to-speech-reading':
this._parent.setTestVoice(this._voice);
this._showModal('audio-source-help-text-to-speech');
break;
}
}
_showModal(name) {
this._parent.modalController.getModal(name).setVisible(true);
}
}