Translate-Flutter/lib/page/p2p/p2p_controller.dart
2024-07-24 11:59:36 +08:00

140 lines
4.3 KiB
Dart

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:speech_to_text/speech_recognition_result.dart';
import 'package:trans_lark/global/translate_manager.dart';
import 'package:trans_lark/util/t_object_utils.dart';
import 'package:trans_lark/util/t_print.dart';
import 'package:trans_lark/widget/t_base_easy_loading.dart';
import 'package:translator/translator.dart';
import 'package:trans_lark/global/speech_to_text_manager.dart';
class P2PController extends GetxController
with GetSingleTickerProviderStateMixin {
final aboveScrollController = ScrollController();
final underScrollController = ScrollController();
var angle = 0.0.obs;
/// 显示的文本
var aboveText = ''.obs;
var underText = ''.obs;
/// 翻译
final _translator = GoogleTranslator();
/// 是否选择的下方
var selectedUnder = true.obs;
@override
void onReady() async {
super.onReady();
onSpeak(true);
}
@override
void onClose() async {
await SpeechToTextManager().stopListening();
aboveScrollController.dispose();
underScrollController.dispose();
super.onClose();
}
Future<void> onBack() async {
await SpeechToTextManager().stopListening();
Get.back();
}
/// 旋转 180 度
void onRotate() {
angle.value -= 0.5;
}
Future<void> onSpeak(bool isUnder, {int? speakType}) async {
if (!SpeechToTextManager().hasSpeech) {
await SpeechToTextManager().init();
}
if (SpeechToTextManager().hasSpeech) {
if (isUnder) {
if (!selectedUnder.value) {
await SpeechToTextManager().stopListening();
}
selectedUnder.value = true;
_scrollToBottom();
SpeechToTextManager().startListening(
TranslateManager().fromLanguageEntity.value.languageCode,
_speechRes);
} else {
if (selectedUnder.value) {
await SpeechToTextManager().stopListening();
}
selectedUnder.value = false;
_scrollToBottom();
SpeechToTextManager().startListening(
TranslateManager().toLanguageEntity.value.languageCode, _speechRes);
}
} else {
TBaseEasyLoading.toast('Speech not available');
}
}
Future<void> _speechRes(SpeechRecognitionResult result) async {
TPrint.d('识别结果:${result.recognizedWords}');
if (TObjectUtils.isNotEmptyStr(result.recognizedWords)) {
if (selectedUnder.value) {
underText.value += '${result.recognizedWords}\n';
var translateText = await _translation(result.recognizedWords);
TPrint.d('翻译结果:${result.recognizedWords}');
if (TObjectUtils.isNotEmptyStr(translateText)) {
aboveText.value += '$translateText\n';
}
} else {
aboveText.value += '${result.recognizedWords}\n';
var translateText = await _translation(result.recognizedWords);
TPrint.d('翻译结果:${result.recognizedWords}');
if (TObjectUtils.isNotEmptyStr(translateText)) {
underText.value += '$translateText\n';
}
}
_scrollToBottom();
}
}
Future<String> _translation(String sourceText, {int? translationType}) async {
try {
String from = selectedUnder.value
? TranslateManager().fromLanguageEntity.value.languageCode
: TranslateManager().toLanguageEntity.value.languageCode;
String to = selectedUnder.value
? TranslateManager().toLanguageEntity.value.languageCode
: TranslateManager().fromLanguageEntity.value.languageCode;
Translation translate = await _translator.translate(
sourceText,
from: from,
to: to,
);
return translate.text;
} catch (e) {
TPrint.d('Translation failed,${e.toString()}');
}
return '';
}
/// 滚动到列表的最底部
void _scrollToBottom() {
if (aboveScrollController.hasClients) {
aboveScrollController.animateTo(
aboveScrollController.position.maxScrollExtent,
duration: const Duration(milliseconds: 200),
curve: Curves.easeOut,
);
}
if (underScrollController.hasClients) {
underScrollController.animateTo(
underScrollController.position.maxScrollExtent,
duration: const Duration(milliseconds: 200),
curve: Curves.easeOut,
);
}
}
}