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chore: in TTS, use full langCode voice if available, and short langCode voice if not (#1919)

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ggurdin 2025-02-25 14:11:33 -05:00 • committed by GitHub
parent ea9142b552
commit 897425620d
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1 changed files with 50 additions and 49 deletions
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99
lib/pangea/toolbar/controllers/tts_controller.dart
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@ -17,9 +17,12 @@ import 'package:fluffychat/utils/platform_infos.dart';
import 'package:fluffychat/widgets/matrix.dart';
class TtsController {
String? get targetLanguage =>
String? get l2LangCode =>
MatrixState.pangeaController.languageController.userL2?.langCode;
String? get l2LangCodeShort =>
MatrixState.pangeaController.languageController.userL2?.langCodeShort;
List<String> _availableLangCodes = [];
final flutter_tts.FlutterTts _tts = flutter_tts.FlutterTts();
final TextToSpeech _alternativeTTS = TextToSpeech();
@ -58,61 +61,55 @@ class TtsController {
);
}
Future<void> setupTTS() async {
try {
if (_useAlternativeTTS) {
await _setupAltTTS();
} else {
_tts.setErrorHandler(_onError);
debugger(when: kDebugMode && targetLanguage == null);
Future<void> _setAvailableLanguages() async {
final voices = (await _tts.getVoices) as List?;
_availableLangCodes = (voices ?? [])
.map((v) {
// on iOS / web, the codes are in 'locale', but on Android, they are in 'name'
final nameCode = v['name'];
final localeCode = v['locale'];
return localeCode.contains("-") ? localeCode : nameCode;
})
.toSet()
.cast<String>()
.toList();
}
_tts.setLanguage(
targetLanguage ?? "en",
);
Future<void> _setAvailableAltLanguages() async {
final languages = await _alternativeTTS.getLanguages();
_availableLangCodes = languages.toSet().toList();
}
await _tts.awaitSpeakCompletion(true);
final voices = (await _tts.getVoices) as List?;
_availableLangCodes = (voices ?? [])
.map((v) {
// on iOS / web, the codes are in 'locale', but on Android, they are in 'name'
final nameCode = v['name']?.split("-").first;
final localeCode = v['locale']?.split("-").first;
return nameCode.length == 2 ? nameCode : localeCode;
})
.toSet()
.cast<String>()
.toList();
}
} catch (e, s) {
debugger(when: kDebugMode);
ErrorHandler.logError(
e: e,
s: s,
data: {},
void _setLanguage() {
if (l2LangCode != null && _availableLangCodes.contains(l2LangCode)) {
_useAlternativeTTS
? _alternativeTTS.setLanguage(l2LangCode!)
: _tts.setLanguage(l2LangCode!);
} else if (l2LangCodeShort != null) {
final langCodeShort = l2LangCodeShort!;
final langCode = _availableLangCodes.firstWhere(
(code) => code.startsWith(langCodeShort),
orElse: () => "en",
);
_useAlternativeTTS
? _alternativeTTS.setLanguage(langCode)
: _tts.setLanguage(langCode);
}
}
Future<void> _setupAltTTS() async {
Future<void> setupTTS() async {
try {
final languages = await _alternativeTTS.getLanguages();
_availableLangCodes =
languages.map((lang) => lang.split("-").first).toSet().toList();
if (_useAlternativeTTS) {
await _setAvailableAltLanguages();
} else {
_tts.setErrorHandler(_onError);
debugger(when: kDebugMode && l2LangCode == null);
debugPrint("availableLangCodes: $_availableLangCodes");
final langsMatchingTarget = languages
.where(
(lang) =>
targetLanguage != null &&
lang.toLowerCase().startsWith(targetLanguage!.toLowerCase()),
)
.toList();
if (langsMatchingTarget.isNotEmpty) {
await _alternativeTTS.setLanguage(langsMatchingTarget.first);
await _tts.awaitSpeakCompletion(true);
await _setAvailableLanguages();
}
_setLanguage();
} catch (e, s) {
debugger(when: kDebugMode);
ErrorHandler.logError(
@ -242,8 +239,12 @@ class TtsController {
}
}
bool get _isL2FullySupported => _availableLangCodes.contains(targetLanguage);
bool get _isL2FullySupported =>
_availableLangCodes.contains(l2LangCode) ||
(l2LangCodeShort != null &&
_availableLangCodes.any((lang) => lang.startsWith(l2LangCodeShort!)));
bool isLanguageSupported(String langCode) =>
_availableLangCodes.contains(langCode);
_availableLangCodes.contains(langCode) ||
_availableLangCodes.any((lang) => lang.startsWith(langCode));
}