8c2e26ec87
- 更新设备屏幕尺寸配置从1920*1080调整为1024x600 - 添加完成页面的AppBar导航和返回功能 - 重构CompletePage布局，使用SafeArea和ConstrainedBox适配不同屏幕 - 添加国际化支持的完成按钮文本 - 优化完成页面视觉元素，包括图标大小和间距调整 - 实现串口连接状态的响应式管理，解决UI状态同步问题 - 优化串口运行器的状态更新逻辑，实现乐观更新机制 - 调整完成页面按钮布局，提供完成和重新运行选项
126 lines
4.1 KiB
Dart
126 lines
4.1 KiB
Dart
import 'dart:async';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../../core/database/database_service.dart';
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import '../models/serial_config.dart';
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import '../services/auto_serial_connect.dart';
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import '../services/device_message_service.dart';
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import '../services/json_protocol.dart';
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import '../services/runner_interface.dart';
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import '../services/serial_port_service.dart';
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import '../services/serial_runner.dart';
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/// 串口服务单例
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final serialPortServiceProvider = Provider<SerialPortService>((ref) {
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final service = SerialPortService();
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ref.onDispose(service.dispose);
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return service;
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});
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/// 串口连接状态（响应式）
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///
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/// 直接 `ref.watch(serialPortServiceProvider).state` 不会触发 UI 重建，
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/// 因为 [SerialPortService] 内部 `_state` 的变化不会冒泡到 Provider 层。
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/// 这里把状态抽出为独立的 StateNotifierProvider，让状态栏等 UI 能即时
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/// 反映连接/断开事件，避免出现"标题栏显示已连接、实际下发失败"的错觉。
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class SerialConnectionStateNotifier
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extends StateNotifier<SerialConnectionState> {
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SerialConnectionStateNotifier(this._service) : super(_service.state) {
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_sub = _service.connectionStateChanges.listen((s) => state = s);
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}
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final SerialPortService _service;
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late final StreamSubscription<SerialConnectionState> _sub;
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@override
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void dispose() {
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_sub.cancel();
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super.dispose();
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}
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}
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final serialConnectionStateProvider = StateNotifierProvider<
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SerialConnectionStateNotifier, SerialConnectionState>((ref) {
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final service = ref.watch(serialPortServiceProvider);
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return SerialConnectionStateNotifier(service);
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});
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/// 启动自动连接服务
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///
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/// 通过 [main] 中的 ProviderContainer 在 runApp 之前触发一次，
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/// 服务内部立即尝试连接第一个 USB 串口设备，失败时按 3s 间隔重试。
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final autoSerialConnectProvider = Provider<AutoSerialConnect>((ref) {
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final service = ref.watch(serialPortServiceProvider);
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final auto = AutoSerialConnect(service);
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auto.start();
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ref.onDispose(auto.dispose);
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return auto;
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});
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/// JSON 协议编解码器（可在调试/真机协议不一致时整体替换）
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final jsonProtocolProvider = Provider<JsonProtocolService>((ref) {
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return JsonProtocolService();
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});
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/// 设备消息分发服务
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///
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/// 集中处理 JSON 消息的发送与订阅；下游 Provider 各自订阅感兴趣的类型。
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final deviceMessageServiceProvider =
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Provider<DeviceMessageService>((ref) {
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final serial = ref.watch(serialPortServiceProvider);
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final protocol = ref.watch(jsonProtocolProvider);
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final service = DeviceMessageService(serial: serial, protocol: protocol);
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ref.onDispose(service.dispose);
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return service;
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});
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/// 当前串口配置（设置页修改后通过 notifier 写入并持久化）
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class SerialConfigNotifier extends StateNotifier<SerialConfig> {
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final SettingsConfigRepository _repo;
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SerialConfigNotifier(this._repo) : super(SerialConfig.defaults) {
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_load();
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}
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Future<void> _load() async {
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state = await _repo.read();
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}
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/// 修改并持久化
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Future<void> update(SerialConfig Function(SerialConfig) mutator) async {
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final next = mutator(state);
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state = next;
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await _repo.write(next);
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}
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/// 重置为默认值
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Future<void> reset() => update((_) => SerialConfig.defaults);
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}
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/// 串口配置仓库：把 [SerialConfig] 以 JSON 形式存到 settings 表
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class SettingsConfigRepository {
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static const _key = 'serial_config';
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final DatabaseService _db = DatabaseService.instance;
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Future<SerialConfig> read() async {
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final raw = await _db.readSetting(_key);
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return SerialConfig.fromJsonString(raw);
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}
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Future<void> write(SerialConfig config) async {
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await _db.writeSetting(_key, config.toJsonString());
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}
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}
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final serialConfigProvider =
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StateNotifierProvider<SerialConfigNotifier, SerialConfig>((ref) {
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return SerialConfigNotifier(SettingsConfigRepository());
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});
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/// 运行器实例（基于 JSON 协议与设备消息服务）
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final runnerProvider = Provider<Runner>((ref) {
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final msgService = ref.watch(deviceMessageServiceProvider);
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return JsonSerialRunner(messageService: msgService);
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});
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