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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2020-05-29 19:56:38 -0400
committerGitHub <noreply@github.com>2020-05-29 19:56:38 -0400
commitc62f980f37007743bed004ff43a82a8d7664dac6 (patch)
tree06f4b723bc2ebd2a864d30b0e329d4d672d6dcee /ext/bg/js/settings/audio.js
parent5f9889fd26f38396aa6ffaa5c669081b02467393 (diff)
Audio controller (#569)
* Convert audio.js into a class * Move audio-ui.js classes into audio.js * Rename fields * Merge classes * Remove audio-ui.js
Diffstat (limited to 'ext/bg/js/settings/audio.js')
-rw-r--r--ext/bg/js/settings/audio.js255
1 files changed, 176 insertions, 79 deletions
diff --git a/ext/bg/js/settings/audio.js b/ext/bg/js/settings/audio.js
index ac2d82f3..5c1cb131 100644
--- a/ext/bg/js/settings/audio.js
+++ b/ext/bg/js/settings/audio.js
@@ -16,110 +16,207 @@
*/
/* global
- * AudioSourceUI
* AudioSystem
* getOptionsContext
* getOptionsMutable
* settingsSaveOptions
*/
-let audioSourceUI = null;
-let audioSystem = null;
-
-async function audioSettingsInitialize() {
- audioSystem = new AudioSystem({
- audioUriBuilder: null,
- useCache: true
- });
-
- const optionsContext = getOptionsContext();
- const options = await getOptionsMutable(optionsContext);
- audioSourceUI = new AudioSourceUI.Container(
- options.audio.sources,
- document.querySelector('.audio-source-list'),
- document.querySelector('.audio-source-add')
- );
- audioSourceUI.save = settingsSaveOptions;
-
- textToSpeechInitialize();
-}
+class AudioController {
+ constructor() {
+ this._audioSystem = null;
+ this._settingsAudioSources = null;
+ this._audioSourceContainer = null;
+ this._audioSourceAddButton = null;
+ this._audioSourceEntries = [];
+ }
-function textToSpeechInitialize() {
- if (typeof speechSynthesis === 'undefined') { return; }
+ async prepare() {
+ this._audioSystem = new AudioSystem({
+ audioUriBuilder: null,
+ useCache: true
+ });
- speechSynthesis.addEventListener('voiceschanged', updateTextToSpeechVoices, false);
- updateTextToSpeechVoices();
+ const optionsContext = getOptionsContext();
+ const options = await getOptionsMutable(optionsContext);
- document.querySelector('#text-to-speech-voice').addEventListener('change', onTextToSpeechVoiceChange, false);
- document.querySelector('#text-to-speech-voice-test').addEventListener('click', textToSpeechTest, false);
-}
+ this._settingsAudioSources = options.audio.sources;
+ 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);
+
+ for (const audioSource of toIterable(this._settingsAudioSources)) {
+ this._createAudioSourceEntry(audioSource);
+ }
-function updateTextToSpeechVoices() {
- const voices = Array.prototype.map.call(speechSynthesis.getVoices(), (voice, index) => ({voice, index}));
- voices.sort(textToSpeechVoiceCompare);
+ this._prepareTextToSpeech();
+ }
+
+ // Private
- document.querySelector('#text-to-speech-voice-container').hidden = (voices.length === 0);
+ async _save() {
+ await settingsSaveOptions();
+ }
- const fragment = document.createDocumentFragment();
+ _prepareTextToSpeech() {
+ if (typeof speechSynthesis === 'undefined') { return; }
- let option = document.createElement('option');
- option.value = '';
- option.textContent = 'None';
- fragment.appendChild(option);
+ speechSynthesis.addEventListener('voiceschanged', this._updateTextToSpeechVoices.bind(this), false);
+ this._updateTextToSpeechVoices();
+
+ document.querySelector('#text-to-speech-voice').addEventListener('change', this._onTextToSpeechVoiceChange.bind(this), false);
+ document.querySelector('#text-to-speech-voice-test').addEventListener('click', this._testTextToSpeech.bind(this), false);
+ }
- for (const {voice} of voices) {
- option = document.createElement('option');
- option.value = voice.voiceURI;
- option.textContent = `${voice.name} (${voice.lang})`;
+ _updateTextToSpeechVoices() {
+ const voices = Array.prototype.map.call(speechSynthesis.getVoices(), (voice, index) => ({voice, index}));
+ voices.sort(this._textToSpeechVoiceCompare.bind(this));
+
+ document.querySelector('#text-to-speech-voice-container').hidden = (voices.length === 0);
+
+ 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);
+ }
+
+ const select = document.querySelector('#text-to-speech-voice');
+ select.textContent = '';
+ select.appendChild(fragment);
+ select.value = select.dataset.value;
}
- const select = document.querySelector('#text-to-speech-voice');
- select.textContent = '';
- select.appendChild(fragment);
- select.value = select.dataset.value;
-}
+ _textToSpeechVoiceCompare(a, b) {
+ const aIsJapanese = this._languageTagIsJapanese(a.voice.lang);
+ const bIsJapanese = this._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; }
+ }
+
+ return a.index - b.index;
+ }
-function languageTagIsJapanese(languageTag) {
- return (
- languageTag.startsWith('ja-') ||
- languageTag.startsWith('jpn-')
- );
-}
+ _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; }
+ _testTextToSpeech() {
+ try {
+ const text = document.querySelector('#text-to-speech-voice-test').dataset.speechText || '';
+ const voiceUri = document.querySelector('#text-to-speech-voice').value;
+
+ const audio = this._audioSystem.createTextToSpeechAudio(text, voiceUri);
+ audio.volume = 1.0;
+ audio.play();
+ } catch (e) {
+ // NOP
+ }
}
- const aIsDefault = a.voice.default;
- const bIsDefault = b.voice.default;
- if (aIsDefault) {
- if (!bIsDefault) { return -1; }
- } else {
- if (bIsDefault) { return 1; }
+ _instantiateTemplate(templateSelector) {
+ const template = document.querySelector(templateSelector);
+ const content = document.importNode(template.content, true);
+ return content.firstChild;
}
- return a.index - b.index;
-}
+ _getUnusedAudioSource() {
+ const audioSourcesAvailable = [
+ 'jpod101',
+ 'jpod101-alternate',
+ 'jisho',
+ 'custom'
+ ];
+ for (const source of audioSourcesAvailable) {
+ if (this._settingsAudioSources.indexOf(source) < 0) {
+ return source;
+ }
+ }
+ return audioSourcesAvailable[0];
+ }
+
+ _createAudioSourceEntry(value) {
+ const eventListeners = new EventListenerCollection();
+ const container = this._instantiateTemplate('#audio-source-template');
+ const select = container.querySelector('.audio-source-select');
+ const removeButton = container.querySelector('.audio-source-remove');
+
+ select.value = value;
-function textToSpeechTest() {
- try {
- const text = document.querySelector('#text-to-speech-voice-test').dataset.speechText || '';
- const voiceUri = document.querySelector('#text-to-speech-voice').value;
+ const entry = {
+ container,
+ eventListeners
+ };
- const audio = audioSystem.createTextToSpeechAudio(text, voiceUri);
- audio.volume = 1.0;
- audio.play();
- } catch (e) {
- // NOP
+ eventListeners.addEventListener(select, 'change', this._onAudioSourceSelectChange.bind(this, entry), false);
+ eventListeners.addEventListener(removeButton, 'click', this._onAudioSourceRemoveClicked.bind(this, entry), false);
+
+ this._audioSourceContainer.appendChild(container);
+ this._audioSourceEntries.push(entry);
+ }
+
+ _removeAudioSourceEntry(entry) {
+ const index = this._audioSourceEntries.indexOf(entry);
+ if (index < 0) { return; }
+
+ const {container, eventListeners} = entry;
+ if (container.parentNode !== null) {
+ container.parentNode.removeChild(container);
+ }
+ eventListeners.removeAllEventListeners();
+
+ this._audioSourceEntries.splice(index, 1);
+ this._settingsAudioSources.splice(index, 1);
+
+ for (let i = index, ii = this._audioSourceEntries.length; i < ii; ++i) {
+ this._audioSourceEntries[i].index = i;
+ }
+ }
+
+ _onTextToSpeechVoiceChange(e) {
+ e.currentTarget.dataset.value = e.currentTarget.value;
+ }
+
+ _onAddAudioSource() {
+ const audioSource = this._getUnusedAudioSource();
+ this._settingsAudioSources.push(audioSource);
+ this._createAudioSourceEntry(audioSource);
+ this._save();
}
-}
-function onTextToSpeechVoiceChange(e) {
- e.currentTarget.dataset.value = e.currentTarget.value;
+ _onAudioSourceSelectChange(entry, event) {
+ const index = this._audioSourceEntries.indexOf(entry);
+ if (index < 0) { return; }
+
+ const value = event.currentTarget.value;
+ this._settingsAudioSources[index] = value;
+ this._save();
+ }
+
+ _onAudioSourceRemoveClicked(entry) {
+ this._removeAudioSourceEntry(entry);
+ this._save();
+ }
}