377 lines
13 KiB
Dart
377 lines
13 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_markdown_plus/flutter_markdown_plus.dart';
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import 'package:url_launcher/url_launcher.dart';
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import 'package:miaoji_zhang/shared/theme/app_theme.dart';
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import 'package:miaoji_zhang/shared/update/update_config.dart';
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import 'package:miaoji_zhang/shared/update/update_downloader.dart';
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import 'package:miaoji_zhang/shared/update/update_installer.dart';
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import 'package:miaoji_zhang/shared/update/update_models.dart';
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import 'package:miaoji_zhang/shared/version.dart';
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import 'package:miaoji_zhang/shared/widgets/app_controls.dart';
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Future<void> showUpdatePrompt(
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BuildContext context, {
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required AppRelease release,
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required bool forced,
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required Future<void> Function() onIgnore,
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}) {
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return showModalBottomSheet<void>(
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context: context,
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useRootNavigator: true,
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isScrollControlled: true,
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isDismissible: false,
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enableDrag: false,
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backgroundColor: Colors.transparent,
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builder: (_) =>
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UpdatePromptSheet(release: release, forced: forced, onIgnore: onIgnore),
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);
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}
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class UpdatePromptSheet extends StatefulWidget {
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final AppRelease release;
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final bool forced;
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final Future<void> Function() onIgnore;
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const UpdatePromptSheet({
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super.key,
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required this.release,
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required this.forced,
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required this.onIgnore,
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});
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@override
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State<UpdatePromptSheet> createState() => _UpdatePromptSheetState();
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}
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class _UpdatePromptSheetState extends State<UpdatePromptSheet> {
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final _downloader = UpdateDownloader();
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UpdateDownloadProgress? _progress;
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bool _working = false;
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String? _status;
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String? _error;
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String? _downloadedPath;
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@override
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void dispose() {
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_downloader.cancel();
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super.dispose();
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}
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Future<void> _ignore() async {
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if (_working) return;
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await widget.onIgnore();
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if (mounted) Navigator.pop(context);
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}
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Future<void> _update() async {
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if (_working) return;
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final uri = Uri.tryParse(widget.release.downloadUrl);
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if (uri == null || uri.scheme != 'https' || uri.host.isEmpty) {
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setState(() => _error = '更新地址无效，必须使用 HTTPS');
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return;
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}
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if (!UpdateConfig.canInstallInApp) {
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setState(() {
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_working = true;
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_error = null;
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_status = '正在打开更新页面…';
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});
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try {
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final opened = await launchUrl(
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uri,
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mode: LaunchMode.externalApplication,
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);
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if (!opened) throw StateError('无法打开更新页面');
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if (!widget.forced && mounted) Navigator.pop(context);
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if (mounted && widget.forced) {
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setState(() => _status = '更新页面已打开，完成更新后重新打开记之');
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}
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} catch (_) {
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if (mounted) setState(() => _error = '无法打开更新页面，请稍后重试');
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} finally {
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if (mounted) setState(() => _working = false);
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}
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return;
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}
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setState(() {
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_working = true;
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_error = null;
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_status = '正在下载更新包…';
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_progress = null;
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});
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String? path;
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try {
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final cachedPath = _downloadedPath;
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if (cachedPath != null && await File(cachedPath).exists()) {
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path = cachedPath;
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} else {
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_downloadedPath = null;
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path = await _downloader.downloadAndVerify(
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widget.release,
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onProgress: (progress) {
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if (!mounted) return;
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setState(() {
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_progress = progress;
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_status = '正在下载更新包…';
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});
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},
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);
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_downloadedPath = path;
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}
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if (!mounted) return;
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setState(() {
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_status = '校验完成，正在打开安装界面…';
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_progress = null;
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});
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final status = await UpdateInstaller.install(
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path: path,
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expectedBuild: widget.release.buildNumber,
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);
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if (!mounted) return;
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setState(() {
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_status = switch (status) {
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ApkInstallStatus.launched => '安装界面已打开，完成后重新启动记之',
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ApkInstallStatus.permissionRequested => '请允许安装未知应用，返回后将继续安装',
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ApkInstallStatus.unsupported => '当前设备无法调起安装，请重新下载',
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};
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if (status == ApkInstallStatus.unsupported) {
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_error = _status;
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}
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});
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if (status == ApkInstallStatus.launched) {
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await _downloader.scheduleCleanup(path);
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} else if (status == ApkInstallStatus.unsupported) {
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await _downloader.deleteFile(path);
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_downloadedPath = null;
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}
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} on UpdateDownloadException catch (error) {
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if (mounted) setState(() => _error = error.message);
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} catch (_) {
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if (mounted) setState(() => _error = '更新失败，请重新尝试');
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} finally {
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if (mounted) setState(() => _working = false);
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}
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}
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void _cancelDownload() {
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_downloader.cancel();
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setState(() => _status = '正在取消下载…');
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}
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@override
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Widget build(BuildContext context) {
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final release = widget.release;
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return PopScope(
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canPop: false,
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child: SafeArea(
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child: Container(
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constraints: BoxConstraints(
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maxHeight: MediaQuery.sizeOf(context).height * 0.84,
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),
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padding: const EdgeInsets.fromLTRB(20, 0, 20, 18),
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decoration: BoxDecoration(
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color: context.jz.card,
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borderRadius: const BorderRadius.vertical(top: Radius.circular(24)),
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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JzSheetHeader(
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title: widget.forced ? '必须更新后继续使用' : '发现新版本',
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subtitle:
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'v${release.versionName} (${release.buildNumber}) · 当前 ${AppVersion.display}',
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),
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if (widget.forced)
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Container(
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width: double.infinity,
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margin: const EdgeInsets.only(top: 12),
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padding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 10,
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),
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decoration: BoxDecoration(
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color: context.jz.warningBackground,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(
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color: AppTheme.orange.withValues(alpha: 0.35),
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),
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),
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child: Text(
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'此版本已停止支持，更新完成前暂时不能进入 App。',
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style: TextStyle(
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fontSize: 12,
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color: context.jz.text2,
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height: 1.45,
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),
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),
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),
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const SizedBox(height: 14),
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Flexible(
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child: Container(
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width: double.infinity,
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: context.jz.background,
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: context.jz.line),
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),
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child: SingleChildScrollView(
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child: MarkdownBody(
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data: release.releaseNotes.isEmpty
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? '本次更新包含体验优化与问题修复。'
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: release.releaseNotes,
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selectable: true,
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styleSheet: MarkdownStyleSheet(
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p: TextStyle(
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fontSize: 13,
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color: context.jz.text2,
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height: 1.65,
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),
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h1: TextStyle(
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fontSize: 17,
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fontWeight: FontWeight.w800,
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color: context.jz.text,
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),
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h2: TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.w800,
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color: context.jz.text,
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),
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listBullet: TextStyle(
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fontSize: 13,
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color: AppTheme.primaryDeep,
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),
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code: TextStyle(
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fontSize: 12,
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color: context.jz.text,
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backgroundColor: context.jz.card,
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),
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blockquoteDecoration: BoxDecoration(
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color: context.jz.card,
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borderRadius: BorderRadius.circular(8),
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border: const Border(
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left: BorderSide(color: AppTheme.ai, width: 3),
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),
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),
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),
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),
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),
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),
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),
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if (_progress != null || _status != null || _error != null) ...[
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const SizedBox(height: 14),
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if (_progress != null) _UpdateProgressBar(progress: _progress!),
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if (_progress != null) const SizedBox(height: 8),
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Align(
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alignment: Alignment.centerLeft,
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child: Text(
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_error ?? _status ?? '',
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style: TextStyle(
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fontSize: 11.5,
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color: _error == null ? context.jz.text2 : AppTheme.red,
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),
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),
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),
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],
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const SizedBox(height: 18),
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if (_working && _downloader.isDownloading && !widget.forced)
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SizedBox(
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width: double.infinity,
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child: JzActionButton(
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label: '取消下载',
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secondary: true,
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onPressed: _cancelDownload,
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),
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)
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else
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Row(
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children: [
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if (!widget.forced) ...[
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Expanded(
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child: JzActionButton(
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label: '忽略此版本',
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secondary: true,
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onPressed: _working ? null : _ignore,
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),
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),
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const SizedBox(width: 10),
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],
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Expanded(
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child: JzActionButton(
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label: UpdateConfig.canInstallInApp
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? (_downloadedPath == null ? '下载并安装' : '继续安装')
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: '立即更新',
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loading: _working,
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onPressed: _working ? null : _update,
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),
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),
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],
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),
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],
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),
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),
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),
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);
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}
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}
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class _UpdateProgressBar extends StatelessWidget {
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final UpdateDownloadProgress progress;
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const _UpdateProgressBar({required this.progress});
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@override
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Widget build(BuildContext context) {
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final fraction = progress.fraction ?? 0;
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return Column(
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children: [
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ClipRRect(
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borderRadius: BorderRadius.circular(4),
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child: SizedBox(
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height: 7,
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child: Stack(
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fit: StackFit.expand,
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children: [
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ColoredBox(color: context.jz.line),
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FractionallySizedBox(
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alignment: Alignment.centerLeft,
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widthFactor: fraction,
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child: const ColoredBox(color: AppTheme.primary),
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),
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],
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),
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),
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),
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const SizedBox(height: 6),
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Row(
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children: [
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Text(
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progress.total > 0
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? '${(fraction * 100).toStringAsFixed(0)}%'
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: _formatBytes(progress.received),
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style: TextStyle(fontSize: 10.5, color: context.jz.text3),
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),
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const Spacer(),
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Text(
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'${_formatBytes(progress.bytesPerSecond.round())}/s',
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style: TextStyle(fontSize: 10.5, color: context.jz.text3),
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),
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],
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),
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],
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);
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}
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}
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String _formatBytes(int bytes) {
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if (bytes >= 1024 * 1024) {
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return '${(bytes / 1024 / 1024).toStringAsFixed(1)} MB';
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}
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if (bytes >= 1024) {
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return '${(bytes / 1024).toStringAsFixed(1)} KB';
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}
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return '$bytes B';
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}
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