58 lines
2.4 KiB
Dart
58 lines
2.4 KiB
Dart
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/// POST_NOTIFICATIONS 运行时权限门(P3 计划 Task 9)。
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///
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/// Android 13+(API 33)起,上传前台服务通知需运行时授权;未授权时
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/// 传输继续、仅通知不显示——**静默降级,永不阻断入队**(技术方案 §6.3)。
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///
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/// 实现取舍(有意不引入 permission_handler):本 App 全部运行时权限需求
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/// 仅此一项(camera/image_picker 插件自管权限),为单个权限引入
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/// permission_handler 全家桶(AndroidX 传递依赖 + iOS Podfile 宏配置)
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/// 不成比例——复用既有原生桥接模式(Task 7 UploadPlugin 同款),自建
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/// MethodChannel `photolive/permissions`(MainActivity 内 PermissionPlugin
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/// 约 60 行 Kotlin,SDK<33 直接返回 granted)。后续再增权限需求时评估
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/// 插件化。
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///
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/// 进程内单次语义:首次入队动作(连拍/相册选择)时请求一次,之后不再
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/// 打扰;拒绝或通道失败(iOS/桌面无此通道)一律静默。
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library;
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import 'dart:io';
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import 'package:flutter/foundation.dart' show kIsWeb;
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import 'package:flutter/services.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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/// 通知权限门(注入 [channel]/[isAndroid] 供测试)。
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class NotificationPermission {
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NotificationPermission({
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MethodChannel? channel,
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bool? isAndroid,
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}) : _channel = channel ?? const MethodChannel(kChannelName),
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_isAndroid = isAndroid ?? (!kIsWeb && Platform.isAndroid);
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/// 平台通道名(与 Kotlin `PermissionPlugin.CHANNEL` 一致)。
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static const String kChannelName = 'photolive/permissions';
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final MethodChannel _channel;
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final bool _isAndroid;
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bool _requested = false;
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/// 确保已请求一次(首次入队动作调用;幂等)。
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///
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/// 非 Android 平台直接跳过(iOS 后台传输不依赖通知权限);通道调用
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/// 失败/拒绝静默吞掉——上传链路不因通知权限降级而中断。
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Future<void> ensureRequested() async {
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if (_requested) return;
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_requested = true;
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if (!_isAndroid) return;
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try {
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await _channel.invokeMethod<String>('requestPostNotifications');
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} on Object {
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// 通道缺失(iOS/桌面)或请求异常:静默降级。
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}
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}
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}
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/// 生产 Provider(队列/连拍页经 ref.read 一次性调用)。
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final notificationPermissionProvider =
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Provider<NotificationPermission>((ref) => NotificationPermission());
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