import 'dart:convert'; import 'dart:io'; import 'package:flutter/material.dart'; import 'package:flutter/services.dart'; import 'package:path_provider/path_provider.dart'; import 'package:path/path.dart' as path; import 'package:provider/provider.dart'; import 'package:permission_handler/permission_handler.dart'; import 'package:url_launcher/url_launcher.dart'; import '../../providers/app_provider.dart'; import '../../utils/user_prefs.dart'; import '../../utils/theme/app_theme.dart'; import '../../utils/toast_util.dart'; import '../../utils/image_path_helper.dart'; import '../../data/database_helper.dart'; import '../../services/sync/cache_cleaner.dart'; import '../online_search/enhanced_search_settings_page.dart'; import '../settings/legal_page.dart'; import 'app_icon_picker_page.dart'; import 'feature_settings_page.dart'; import 'layout_settings_page.dart'; import 'changelog_page.dart'; import 'font_picker_page.dart'; /// 设置页面 class SettingsPage extends StatefulWidget { const SettingsPage({super.key}); @override State createState() => _SettingsPageState(); } class _SettingsPageState extends State { final UserPrefs _userPrefs = UserPrefs(); bool _hideBottomNavOnScroll = true; int _themeMode = 0; // 0=系统, 1=浅色, 2=深色 String _fontFamily = ''; @override void initState() { super.initState(); _hideBottomNavOnScroll = _userPrefs.hideBottomNavOnScroll; _themeMode = _userPrefs.themeMode; _fontFamily = _userPrefs.fontFamily; } @override Widget build(BuildContext context) { final colors = Theme.of(context).colorScheme; return Scaffold( backgroundColor: colors.surface, appBar: AppBar(title: const Text('设置')), body: ListView( children: [ _buildSectionHeader('显示设置'), if (!Platform.isWindows) _buildNavigationItem( icon: Icons.apps_outlined, title: '应用图标', subtitle: '更换桌面应用图标', onTap: () => Navigator.push(context, MaterialPageRoute(builder: (_) => const AppIconPickerPage())), ), if (!Platform.isWindows) Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), if (!Platform.isWindows) ...[ _buildNavigationItem( icon: Icons.tune_outlined, title: '功能设置', subtitle: '启动标签、模块开关、侧边栏功能', onTap: () => Navigator.push(context, MaterialPageRoute(builder: (_) => const FeatureSettingsPage())), ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), _buildNavigationItem( icon: Icons.dashboard_outlined, title: '布局设置', subtitle: '影视、阅读、笔记的展示样式', onTap: () => Navigator.push(context, MaterialPageRoute(builder: (_) => const LayoutSettingsPage())), ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), ], _buildThemeModeSelector(), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), _buildColorSchemeSelector(), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), if (!Platform.isWindows) _buildFontSelector(), _buildSectionHeader('其他设置'), _buildActionItem( icon: Icons.person_outline, title: '个人信息', subtitle: '修改昵称和座右铭', onTap: () => _showProfileEditDialog(context), ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), _buildActionItem( icon: Icons.manage_search, title: '增强搜索', subtitle: '在线搜索影视和书籍信息', onTap: () => Navigator.push( context, MaterialPageRoute( builder: (_) => const EnhancedSearchSettingsPage())), ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), if (!Platform.isWindows) ...[ _buildSwitchItem( icon: Icons.swipe_vertical_outlined, title: '底部导航栏滚动隐藏', subtitle: '下滑时自动隐藏底部导航栏', value: _hideBottomNavOnScroll, onChanged: _toggleHideBottomNavOnScroll, ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), ], _buildSectionHeader('数据管理'), _buildActionItem( icon: Icons.cleaning_services_outlined, title: '清除缓存数据', subtitle: '清理未在数据库中引用的文件', onTap: () => _showClearCacheDialog(context), ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), if (!Platform.isWindows) ...[ _buildActionItem( icon: Icons.folder_outlined, title: '获取系统权限', subtitle: '前往系统设置开启存储权限', onTap: _showStoragePermissionDialog, ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), ], _buildSectionHeader('帮助'), _buildActionItem( icon: Icons.language_outlined, title: '查看官网', subtitle: '在浏览器中打开官方网站', onTap: () => launchUrl(Uri.parse('https://mooknote.iletter.top/#/')), ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), _buildActionItem( icon: Icons.open_in_new_outlined, title: '项目源码', subtitle: '查看 GitHub 项目仓库', onTap: () => launchUrl(Uri.parse('https://github.com/dellevin/mooknote')), ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), _buildActionItem( icon: Icons.code_outlined, title: '开发日志', subtitle: '在浏览器中查看项目开发记录', onTap: () => launchUrl(Uri.parse( 'http://docmost.iletter.top/share/ropwljpyvn/p/mook-note-lHmPTswdDC')), ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), _buildActionItem( icon: Icons.update_outlined, title: '更新日志', subtitle: '查看版本更新内容', onTap: () => Navigator.push(context, MaterialPageRoute(builder: (_) => const ChangelogPage())), ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), _buildActionItem( icon: Icons.description_outlined, title: '用户服务协议', subtitle: '查看用户服务协议', onTap: () => Navigator.push( context, MaterialPageRoute( builder: (_) => const LegalPage(slug: 'terms', title: '用户服务协议'))), ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), _buildActionItem( icon: Icons.shield_outlined, title: '隐私政策', subtitle: '查看隐私政策', onTap: () => Navigator.push( context, MaterialPageRoute( builder: (_) => const LegalPage(slug: 'privacy', title: '隐私政策'))), ), Divider( height: 0.5, indent: 24, endIndent: 24, color: colors.outlineVariant), ], ), ); } Future _toggleHideBottomNavOnScroll(bool value) async { await _userPrefs.setHideBottomNavOnScroll(value); setState(() => _hideBottomNavOnScroll = value); } void _showProfileEditDialog(BuildContext context) { final colors = Theme.of(context).colorScheme; final nicknameController = TextEditingController(text: _userPrefs.nickname); final mottoController = TextEditingController(text: _userPrefs.motto); showDialog( context: context, builder: (ctx) => AlertDialog( backgroundColor: colors.surface, elevation: 0, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)), title: Text('个人信息', style: TextStyle( fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)), content: Column( mainAxisSize: MainAxisSize.min, children: [ TextField( controller: nicknameController, style: TextStyle(fontSize: 14, color: colors.onSurface), decoration: InputDecoration( labelText: '昵称', labelStyle: TextStyle( fontSize: 13, color: colors.onSurface.withValues(alpha: 0.5)), filled: true, fillColor: colors.surfaceContainerHighest, contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12), border: OutlineInputBorder( borderRadius: BorderRadius.circular(10), borderSide: BorderSide.none), ), ), const SizedBox(height: 12), TextField( controller: mottoController, maxLines: 2, style: TextStyle(fontSize: 14, color: colors.onSurface), decoration: InputDecoration( labelText: '座右铭', labelStyle: TextStyle( fontSize: 13, color: colors.onSurface.withValues(alpha: 0.5)), filled: true, fillColor: colors.surfaceContainerHighest, contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12), border: OutlineInputBorder( borderRadius: BorderRadius.circular(10), borderSide: BorderSide.none), ), ), ], ), actionsPadding: const EdgeInsets.fromLTRB(16, 0, 16, 16), actions: [ TextButton( onPressed: () => Navigator.pop(ctx), style: TextButton.styleFrom( foregroundColor: colors.onSurface.withValues(alpha: 0.6), padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8), shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(8)), ), child: const Text('取消', style: TextStyle(fontSize: 14)), ), ElevatedButton( onPressed: () async { final nickname = nicknameController.text.trim(); final motto = mottoController.text.trim(); if (nickname.isNotEmpty) await _userPrefs.setNickname(nickname); if (motto.isNotEmpty) await _userPrefs.setMotto(motto); if (ctx.mounted) Navigator.pop(ctx); if (context.mounted) ToastUtil.show(context, '已保存'); }, style: ElevatedButton.styleFrom( backgroundColor: colors.primary, foregroundColor: colors.onPrimary, elevation: 0, padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8), shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(8)), ), child: const Text('保存', style: TextStyle(fontSize: 14)), ), ], ), ); } static const _themeModeLabels = ['跟随系统', '浅色模式', '深色模式']; static const _themeModeIcons = [ Icons.brightness_auto, Icons.light_mode, Icons.dark_mode ]; Widget _buildThemeModeSelector() { final colors = Theme.of(context).colorScheme; return InkWell( onTap: () => _showThemeModePicker(), child: Container( padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10), child: Row( children: [ Container( width: 36, height: 36, decoration: BoxDecoration( color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)), child: Icon(_themeModeIcons[_themeMode], color: colors.onSurface.withValues(alpha: 0.6), size: 18)), const SizedBox(width: 12), Expanded( child: Column( crossAxisAlignment: CrossAxisAlignment.start, children: [ Text('主题模式', style: TextStyle( fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface)), const SizedBox(height: 2), Text(_themeModeLabels[_themeMode], style: TextStyle( fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4))), ]), ), Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.25), size: 20), ], ), ), ); } void _showThemeModePicker() { final colors = Theme.of(context).colorScheme; showModalBottomSheet( context: context, backgroundColor: Colors.transparent, builder: (ctx) => Container( decoration: BoxDecoration( color: colors.surface, borderRadius: const BorderRadius.vertical(top: Radius.circular(16))), padding: const EdgeInsets.only(bottom: 12), child: Column( mainAxisSize: MainAxisSize.min, children: [ Container( width: 36, height: 4, margin: const EdgeInsets.only(top: 12, bottom: 12), decoration: BoxDecoration( color: colors.onSurface.withValues(alpha: 0.15), borderRadius: BorderRadius.circular(2))), Padding( padding: const EdgeInsets.symmetric(horizontal: 24), child: Align( alignment: Alignment.centerLeft, child: Text('主题模式', style: TextStyle( fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface))), ), const SizedBox(height: 8), for (int i = 0; i < _themeModeLabels.length; i++) InkWell( onTap: () async { await _setThemeMode(i); Navigator.pop(ctx); }, child: Padding( padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 10), child: Row( children: [ Icon(_themeModeIcons[i], size: 18, color: colors.onSurface.withValues(alpha: 0.6)), const SizedBox(width: 12), Expanded( child: Text(_themeModeLabels[i], style: TextStyle( fontSize: 13, color: colors.onSurface))), if (_themeMode == i) Icon(Icons.check, color: colors.onSurface, size: 18), ], ), ), ), ], ), ), ); } Future _setThemeMode(int mode) async { await _userPrefs.setThemeMode(mode); final themeMode = switch (mode) { 1 => ThemeMode.light, 2 => ThemeMode.dark, _ => ThemeMode.system, }; if (mounted) { context.read().setThemeMode(themeMode); setState(() => _themeMode = mode); } } Widget _buildColorSchemeSelector() { final colors = Theme.of(context).colorScheme; final provider = context.watch(); final currentIndex = provider.colorSchemeIndex; final label = currentIndex == -1 ? '莫奈取色' : AppTheme.colorSchemeNames[currentIndex]; return InkWell( onTap: () => _showColorSchemePicker(), child: Container( padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10), child: Row( children: [ Container( width: 36, height: 36, decoration: BoxDecoration( color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)), child: Icon( currentIndex == -1 ? Icons.auto_awesome : Icons.palette_outlined, color: colors.onSurface.withValues(alpha: 0.6), size: 18)), const SizedBox(width: 12), Expanded( child: Column( crossAxisAlignment: CrossAxisAlignment.start, children: [ Text('配色方案', style: TextStyle( fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface)), const SizedBox(height: 2), Text(label, style: TextStyle( fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4))), ]), ), Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.25), size: 20), ], ), ), ); } void _showColorSchemePicker() { final colors = Theme.of(context).colorScheme; final provider = context.read(); showModalBottomSheet( context: context, backgroundColor: Colors.transparent, builder: (ctx) => Container( decoration: BoxDecoration( color: colors.surface, borderRadius: const BorderRadius.vertical(top: Radius.circular(16))), padding: const EdgeInsets.only(bottom: 20), child: Column( mainAxisSize: MainAxisSize.min, children: [ Container( width: 36, height: 4, margin: const EdgeInsets.only(top: 12, bottom: 16), decoration: BoxDecoration( color: colors.onSurface.withValues(alpha: 0.15), borderRadius: BorderRadius.circular(2))), Padding( padding: const EdgeInsets.symmetric(horizontal: 24), child: Align( alignment: Alignment.centerLeft, child: Text('配色方案', style: TextStyle( fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface))), ), const SizedBox(height: 12), // 莫奈自动取色 Padding( padding: const EdgeInsets.symmetric(horizontal: 24), child: _buildMonetOption(provider, colors, ctx), ), const SizedBox(height: 12), Padding( padding: const EdgeInsets.symmetric(horizontal: 24), child: GridView.builder( shrinkWrap: true, physics: const NeverScrollableScrollPhysics(), gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount( crossAxisCount: 3, mainAxisSpacing: 10, crossAxisSpacing: 10, childAspectRatio: 2.2), itemCount: AppTheme.seedColors.length, itemBuilder: (_, i) { final selected = provider.colorSchemeIndex == i; return GestureDetector( onTap: () { provider.setColorScheme(i); Navigator.pop(ctx); }, child: Container( decoration: BoxDecoration( color: selected ? AppTheme.seedColors[i].withValues(alpha: 0.12) : colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10), border: Border.all( color: selected ? AppTheme.seedColors[i] : Colors.transparent, width: 1.5), ), child: Row( mainAxisAlignment: MainAxisAlignment.center, children: [ Container( width: 14, height: 14, decoration: BoxDecoration( color: AppTheme.seedColors[i], shape: BoxShape.circle)), const SizedBox(width: 8), Text(AppTheme.colorSchemeNames[i], style: TextStyle( fontSize: 13, fontWeight: selected ? FontWeight.w600 : FontWeight.w400, color: colors.onSurface)), ], ), ), ); }, ), ), ], ), ), ); } Widget _buildMonetOption( AppProvider provider, ColorScheme colors, BuildContext ctx) { final selected = provider.colorSchemeIndex == -1; final monetColor = AppTheme.monetColor; final available = monetColor != null; return GestureDetector( onTap: available ? () { provider.setColorScheme(-1); Navigator.pop(ctx); } : null, child: Container( padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12), decoration: BoxDecoration( color: selected ? (monetColor ?? colors.primary).withValues(alpha: 0.12) : colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(12), border: Border.all( color: selected ? (monetColor ?? colors.primary) : available ? colors.outlineVariant : colors.outlineVariant.withValues(alpha: 0.5), width: selected ? 1.5 : 0.5), ), child: Row( children: [ Container( width: 20, height: 20, decoration: BoxDecoration( shape: BoxShape.circle, gradient: monetColor != null ? LinearGradient( colors: [monetColor, monetColor.withValues(alpha: 0.6)]) : null, color: available ? null : colors.outlineVariant, ), child: available ? null : Icon(Icons.auto_awesome, size: 12, color: colors.onSurface.withValues(alpha: 0.3)), ), const SizedBox(width: 10), Expanded( child: Column( crossAxisAlignment: CrossAxisAlignment.start, children: [ Text('莫奈取色', style: TextStyle( fontSize: 13, fontWeight: selected ? FontWeight.w600 : FontWeight.w500, color: available ? colors.onSurface : colors.onSurface.withValues(alpha: 0.35))), Text(available ? '从系统壁纸自动提取配色' : '此设备不支持', style: TextStyle( fontSize: 11, color: colors.onSurface.withValues(alpha: 0.35))), ]), ), if (selected) Icon(Icons.check_circle, size: 18, color: monetColor ?? colors.primary), ], ), ), ); } // ─── 字体选择器 ─── Widget _buildFontSelector() { final colors = Theme.of(context).colorScheme; final label = _fontFamily.isEmpty ? '系统默认' : _fontFamily; return InkWell( onTap: () async { final result = await Navigator.push( context, MaterialPageRoute( builder: (_) => const FontPickerPage(initialFamily: '')), ); if (result != null && mounted) { _setFontFamily(result); } }, child: Container( padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10), child: Row(children: [ Container( width: 36, height: 36, decoration: BoxDecoration( color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)), child: Icon(Icons.font_download_outlined, size: 18, color: colors.onSurface.withValues(alpha: 0.6))), const SizedBox(width: 12), Expanded( child: Column( crossAxisAlignment: CrossAxisAlignment.start, children: [ Text('字体', style: TextStyle( fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface)), const SizedBox(height: 2), Text(label, style: TextStyle( fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4))), ])), Icon(Icons.chevron_right, size: 20, color: colors.onSurface.withValues(alpha: 0.25)), ]), ), ); } void _setFontFamily(String family) { setState(() => _fontFamily = family); context.read().setFontFamily(family); } Widget _buildSwitchItem( {required IconData icon, required String title, required String subtitle, required bool value, required ValueChanged onChanged}) { final colors = Theme.of(context).colorScheme; return InkWell( onTap: () => onChanged(!value), child: Container( padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10), child: Row( children: [ Container( width: 36, height: 36, decoration: BoxDecoration( color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)), child: Icon(icon, color: colors.onSurface.withValues(alpha: 0.6), size: 18)), const SizedBox(width: 12), Expanded( child: Column( crossAxisAlignment: CrossAxisAlignment.start, children: [ Text(title, style: TextStyle( fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface)), const SizedBox(height: 2), Text(subtitle, style: TextStyle( fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4))), ]), ), Switch( value: value, onChanged: onChanged, activeColor: colors.primary, activeTrackColor: colors.primary.withValues(alpha: 0.3), inactiveThumbColor: colors.surface, inactiveTrackColor: colors.outline), ], ), ), ); } Widget _buildSectionHeader(String title) { final colors = Theme.of(context).colorScheme; return Padding( padding: const EdgeInsets.fromLTRB(24, 20, 24, 8), child: Text(title, style: TextStyle( fontSize: 11, fontWeight: FontWeight.w600, color: colors.onSurface)), ); } Widget _buildNavigationItem( {required IconData icon, required String title, required String subtitle, required VoidCallback onTap}) { final colors = Theme.of(context).colorScheme; return InkWell( onTap: onTap, child: Container( padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10), child: Row( children: [ Container( width: 36, height: 36, decoration: BoxDecoration( color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)), child: Icon(icon, color: colors.onSurface.withValues(alpha: 0.6), size: 18)), const SizedBox(width: 12), Expanded( child: Column( crossAxisAlignment: CrossAxisAlignment.start, children: [ Text(title, style: TextStyle( fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface)), const SizedBox(height: 2), Text(subtitle, style: TextStyle( fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4))), ]), ), Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.25), size: 20), ], ), ), ); } Widget _buildActionItem( {required IconData icon, required String title, required String subtitle, required VoidCallback onTap}) { final colors = Theme.of(context).colorScheme; return InkWell( onTap: onTap, child: Container( padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10), child: Row( children: [ Container( width: 36, height: 36, decoration: BoxDecoration( color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)), child: Icon(icon, color: colors.onSurface.withValues(alpha: 0.6), size: 18)), const SizedBox(width: 12), Expanded( child: Column( crossAxisAlignment: CrossAxisAlignment.start, children: [ Text(title, style: TextStyle( fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface)), const SizedBox(height: 2), Text(subtitle, style: TextStyle( fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4))), ]), ), ], ), ), ); } void _showStoragePermissionDialog() { final colors = Theme.of(context).colorScheme; showDialog( context: context, builder: (ctx) => AlertDialog( backgroundColor: colors.surface, elevation: 0, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)), title: Text('需要存储权限', style: TextStyle( fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface)), content: Text( 'Android 11+ 需要在系统设置中授予"所有文件访问权限"才能扫描字体文件。\n\n是否前往设置？', style: TextStyle( fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.6), ), actions: [ TextButton( onPressed: () => Navigator.pop(ctx), child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.4))), ), TextButton( onPressed: () { Navigator.pop(ctx); // 跳转到应用设置页（用户可在权限中找到"所有文件访问"） openAppSettings(); }, child: Text('前往设置', style: TextStyle(color: colors.primary)), ), ], ), ); } void _showClearCacheDialog(BuildContext pageContext) async { final colors = Theme.of(context).colorScheme; // 先扫描分析 showDialog( context: pageContext, barrierDismissible: false, builder: (_) => Center(child: CircularProgressIndicator(color: colors.primary)), ); final dbImagePaths = await _getAllDbImagePaths(); final imageInfo = await _scanImageDirectory(dbImagePaths); final epubInfo = await _scanOrphanedEpubBooks(); final tempInfo = await _scanTempDirectory(); final emptyDirInfo = await _scanEmptyDirectories(); if (!pageContext.mounted) return; Navigator.pop(pageContext); // 关闭 loading final totalSize = imageInfo.$2 + epubInfo.$2 + tempInfo.$2 + emptyDirInfo.$2; final totalCount = imageInfo.$1 + epubInfo.$1 + tempInfo.$1 + emptyDirInfo.$1; if (totalCount == 0) { ToastUtil.show(pageContext, '没有需要清理的缓存'); return; } showDialog( context: pageContext, builder: (dialogContext) => AlertDialog( backgroundColor: colors.surface, elevation: 0, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)), title: Text('缓存分析', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)), content: Column( mainAxisSize: MainAxisSize.min, crossAxisAlignment: CrossAxisAlignment.start, children: [ Text('共发现 $totalCount 项可清理缓存，合计 ${_formatSize(totalSize)}', style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.5))), const SizedBox(height: 14), if (imageInfo.$1 > 0) _buildCacheItem('孤立图片', imageInfo.$1, imageInfo.$2, Icons.image_outlined, colors), if (epubInfo.$1 > 0) _buildCacheItem('孤立电子书', epubInfo.$1, epubInfo.$2, Icons.menu_book_outlined, colors), if (tempInfo.$1 > 0) _buildCacheItem('临时文件', tempInfo.$1, tempInfo.$2, Icons.folder_outlined, colors), if (emptyDirInfo.$1 > 0) _buildCacheItem('空文件夹', emptyDirInfo.$1, emptyDirInfo.$2, Icons.folder_off_outlined, colors), ], ), actions: [ TextButton( onPressed: () => Navigator.pop(dialogContext), child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.6)))), ElevatedButton( onPressed: () async { Navigator.pop(dialogContext); await _clearCacheData(pageContext); }, style: ElevatedButton.styleFrom( backgroundColor: colors.error, foregroundColor: colors.onError, elevation: 0, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)), padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8)), child: const Text('确认清除'), ), ], actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12), ), ); } Widget _buildCacheItem(String label, int count, int size, IconData icon, ColorScheme colors) { return Padding( padding: const EdgeInsets.only(bottom: 10), child: Row( children: [ Icon(icon, size: 18, color: colors.onSurface.withValues(alpha: 0.4)), const SizedBox(width: 10), Expanded( child: Text(label, style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: colors.onSurface)), ), Text('$count项 ${_formatSize(size)}', style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.5))), ], ), ); } String _formatSize(int bytes) { if (bytes < 1024) return '$bytes B'; if (bytes < 1024 * 1024) return '${(bytes / 1024).toStringAsFixed(1)} KB'; return '${(bytes / (1024 * 1024)).toStringAsFixed(1)} MB'; } Future _clearCacheData(BuildContext context) async { try { showDialog( context: context, barrierDismissible: false, builder: (_) => const Center(child: CircularProgressIndicator())); final result = await CacheCleaner.instance.clean(); Navigator.pop(context); if (context.mounted) { if (result.total == 0) { ToastUtil.show(context, '没有需要清理的缓存'); } else { ToastUtil.show(context, result.description); } } } catch (e) { Navigator.pop(context); if (context.mounted) ToastUtil.show(context, '清理失败: $e'); } } /// 直接查 DB 收集所有图片路径（含软删除记录，与 CacheCleaner 保持一致） Future> _getAllDbImagePaths() async { final db = await DatabaseHelper.instance.database; final paths = {}; final movies = await db.query('movies', columns: ['poster_path']); for (final m in movies) { final p = m['poster_path'] as String?; if (p != null && p.isNotEmpty) paths.add(p); } final books = await db.query('books', columns: ['cover_path']); for (final b in books) { final p = b['cover_path'] as String?; if (p != null && p.isNotEmpty) paths.add(p); } final notes = await db.query('notes', columns: ['images']); for (final n in notes) { final imagesJson = n['images'] as String?; if (imagesJson != null && imagesJson.isNotEmpty) { try { for (final ip in jsonDecode(imagesJson) as List) { if (ip is String && ip.isNotEmpty) paths.add(ip); } } catch (_) {} } } final moviePosters = await db.query('movie_posters', columns: ['poster_path']); for (final p in moviePosters) { final pp = p['poster_path'] as String?; if (pp != null && pp.isNotEmpty) paths.add(pp); } final games = await db.query('games', columns: ['cover_path']); for (final g in games) { final p = g['cover_path'] as String?; if (p != null && p.isNotEmpty) paths.add(p); } final gameScreenshots = await db.query('game_screenshots', columns: ['screenshot_path']); for (final s in gameScreenshots) { final p = s['screenshot_path'] as String?; if (p != null && p.isNotEmpty) paths.add(p); } final userPrefs = UserPrefs(); final avatarPath = userPrefs.avatarPath; if (avatarPath != null && avatarPath.isNotEmpty) paths.add(avatarPath); return paths; } /// 从绝对路径中提取 epub_books/ 下的目录名 /// 兼容 Windows(\) 和 Unix(/) 分隔符 void _collectEpubDirName(String? pathStr, Set dirs) { if (pathStr == null || pathStr.isEmpty) return; final unified = pathStr.replaceAll('\\', '/'); final marker = '/epub_books/'; final idx = unified.indexOf(marker); if (idx < 0) return; final rest = unified.substring(idx + marker.length); final slashIdx = rest.indexOf('/'); dirs.add(slashIdx >= 0 ? rest.substring(0, slashIdx) : rest); } // ─── 扫描方法（只统计不删除） ────────────────────────────────────────────── /// 返回 (文件数, 总字节数) Future<(int, int)> _scanImageDirectory(Set dbImagePaths) async { int count = 0, totalSize = 0; try { final appDirPath = await ImagePathHelper.getAppDir(); final imagesDir = Directory(path.join(appDirPath, 'images')); if (!await imagesDir.exists()) return (0, 0); final normalizedDbPaths = dbImagePaths.map(_normalizePath).toSet(); await for (final entity in imagesDir.list(recursive: true, followLinks: false)) { if (entity is File && !normalizedDbPaths.contains(_normalizePath(entity.path)) && !path.basename(entity.path).startsWith('avatar')) { try { totalSize += await entity.length(); count++; } catch (_) {} } } } catch (_) {} return (count, totalSize); } /// 规范化路径用于跨平台比较（统一分隔符） String _normalizePath(String p) { return path.normalize(p.replaceAll('\\', '/')); } Future<(int, int)> _scanOrphanedEpubBooks() async { int count = 0, totalSize = 0; try { final db = await DatabaseHelper.instance.database; final rows = await db.query('reader_books', columns: ['id', 'file_path', 'cover_path', 'is_deleted']); final usedDirs = {}; for (final r in rows) { final isDeleted = r['is_deleted'] == 1 || r['is_deleted'] == true; if (isDeleted) continue; final id = r['id'] as String?; if (id != null && id.isNotEmpty) usedDirs.add(id); _collectEpubDirName(r['file_path'] as String?, usedDirs); _collectEpubDirName(r['cover_path'] as String?, usedDirs); } final appDirPath = await ImagePathHelper.getAppDir(); final possiblePaths = [ path.join(appDirPath, 'epub_books'), '/data/user/0/top.iletter.mooknote/app_flutter/epub_books', ]; for (final epubPath in possiblePaths) { final epubDir = Directory(epubPath); if (!await epubDir.exists()) continue; await for (final entity in epubDir.list(followLinks: false)) { if (entity is Directory) { final dirName = path.basename(entity.path); if (!usedDirs.contains(dirName)) { try { totalSize += await _dirSize(entity); count++; } catch (_) {} } } } } } catch (_) {} return (count, totalSize); } Future<(int, int)> _scanTempDirectory() async { int count = 0, totalSize = 0; final now = DateTime.now(); try { final tempDir = await getTemporaryDirectory(); if (await tempDir.exists()) { await for (final entity in tempDir.list(followLinks: false)) { if (entity is File) { final name = path.basename(entity.path); if (name.startsWith('book_poster_') || name.startsWith('movie_poster_') || name.startsWith('note_share_') || name.startsWith('mooknote_download') || name.startsWith('mooknote_bidir')) { try { final stat = await entity.stat(); if (now.difference(stat.modified).inHours >= 1) { totalSize += await entity.length(); count++; } } catch (_) {} } } } } } catch (_) {} try { final cacheDir = await getApplicationCacheDirectory(); if (await cacheDir.exists()) { await for (final entity in cacheDir.list(recursive: true, followLinks: false)) { if (entity is File) { final name = path.basename(entity.path); if (name.startsWith('book_poster_') || name.startsWith('movie_poster_') || name.startsWith('note_share_') || name.startsWith('mooknote_download') || name.startsWith('mooknote_bidir')) { try { totalSize += await entity.length(); count++; } catch (_) {} } } } } } catch (_) {} return (count, totalSize); } Future<(int, int)> _scanEmptyDirectories() async { int count = 0; try { final appDirPath = await ImagePathHelper.getAppDir(); final cacheDir = await getApplicationCacheDirectory(); final dirs = [ Directory(path.join(appDirPath, 'images')), Directory(path.join(appDirPath, 'epub_books')), cacheDir, ]; for (final dir in dirs) { if (!await dir.exists()) continue; count += await _countEmptyDirsRecursive(dir); } } catch (_) {} return (count, 0); } Future _dirSize(Directory dir) async { int size = 0; try { await for (final entity in dir.list(recursive: true, followLinks: false)) { if (entity is File) { try { size += await entity.length(); } catch (_) {} } } } catch (_) {} return size; } Future _countEmptyDirsRecursive(Directory dir) async { int count = 0; try { final children = await dir.list(followLinks: false).toList(); for (final child in children) { if (child is Directory) { count += await _countEmptyDirsRecursive(child); final remaining = await child.list(followLinks: false).toList(); if (remaining.isEmpty) count++; } } } catch (_) {} return count; } }