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新增阅读器功能，待优化

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This commit is contained in:
DelLevin-Home
2026-06-20 00:54:40 +08:00
parent 0af9d4368a
commit 670502b4f5
250 changed files with 97847 additions and 826 deletions
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10
lib/pages/book/book_tab_page.dart
View File

@@ -29,6 +29,7 @@ class _BookTabPageState extends State<BookTabPage> {
DateTime? _lastUpdatedAt;
late ScrollController _scrollController;
AppProvider? _provider;
int _lastScrollSignal = 0;
static const _statusMap = {0: 'read', 1: 'reading', 2: 'want_to_read'};
@@ -57,6 +58,15 @@ class _BookTabPageState extends State<BookTabPage> {
void _onDataChanged() {
if (!_initialized || !mounted) return;
final provider = context.read<AppProvider>();
// 检查回到顶部信号
if (provider.scrollToTopSignal != _lastScrollSignal && provider.scrollToTopSignal > 0) {
_lastScrollSignal = provider.scrollToTopSignal;
if (_scrollController.hasClients) {
_scrollController.animateTo(0, duration: const Duration(milliseconds: 300), curve: Curves.easeOut);
}
}
final count = provider.books.length;
final latest = provider.books.isNotEmpty ? provider.books.first.updatedAt : null;
if (count != _lastDataCount || latest != _lastUpdatedAt) {

35
lib/pages/main_content_page.dart
View File

@@ -26,7 +26,7 @@ class _MainContentPageState extends State<MainContentPage> {
bool _showNoteTab = true;
late PageController _pageController;
bool _isTabTap = false; // 防止点击 Tab 和滑动互斥
bool _isTabTap = false;
@override
void initState() {
@@ -82,6 +82,8 @@ class _MainContentPageState extends State<MainContentPage> {
);
}
// ─── AppBar ──────────────────────────────────────────
Widget _buildAppBar(BuildContext context) {
return Consumer<AppProvider>(
builder: (context, provider, child) {
@@ -99,6 +101,17 @@ class _MainContentPageState extends State<MainContentPage> {
);
}
String _getAppBarTitle(AppProvider provider) {
switch (provider.mainTabIndex) {
case 0: return '影视';
case 1: return '阅读';
case 2: return '笔记';
default: return 'MookNote';
}
}
// ─── 云备份 ──────────────────────────────────────────
Widget _buildCloudSyncButton(BuildContext context) {
return IconButton(
icon: const Icon(Icons.cloud_sync_outlined),
@@ -110,7 +123,6 @@ class _MainContentPageState extends State<MainContentPage> {
void _showCloudSheet(BuildContext context) async {
final colors = Theme.of(context).colorScheme;
final hasConfig = (await WebDAVService.instance.getConfig()) != null;
if (!mounted) return;
showModalBottomSheet(
context: context,
@@ -220,18 +232,7 @@ class _MainContentPageState extends State<MainContentPage> {
]),
);
String _getAppBarTitle(AppProvider provider) {
switch (provider.mainTabIndex) {
case 0: return '影视';
case 1: return '阅读';
case 2: return '笔记';
default: return 'MookNote';
}
}
// ═══════════════════════════════════════════════════════════════════
// Tab 栏 + 指示条（跟随 PageView 滑动）
// ═══════════════════════════════════════════════════════════════════
// ─── Tab 栏 + 指示条 ─────────────────────────────────
Widget _buildTabBar(BuildContext context) {
return Consumer<AppProvider>(
@@ -273,7 +274,6 @@ class _MainContentPageState extends State<MainContentPage> {
}).toList(),
),
),
// 指示条 — 跟随 PageView 滑动
AnimatedBuilder(
animation: _pageController,
builder: (context, _) {
@@ -302,9 +302,7 @@ class _MainContentPageState extends State<MainContentPage> {
);
}
// ═══════════════════════════════════════════════════════════════════
// PageView 内容区
// ═══════════════════════════════════════════════════════════════════
// ─── PageView 内容区 ─────────────────────────────────
Widget _buildTabContent() {
return Consumer<AppProvider>(
@@ -312,7 +310,6 @@ class _MainContentPageState extends State<MainContentPage> {
final tabs = _enabledTabs;
final safeIndex = _mapToEnabledTabIndex(provider.mainTabIndex).clamp(0, tabs.length - 1);
// 同步 provider → PageView（点击 Tab 触发）
if (_isTabTap && _pageController.hasClients) {
_pageController.animateToPage(safeIndex, duration: const Duration(milliseconds: 350), curve: Curves.easeInOut);
}

10
lib/pages/movies/movie_tab_page.dart
View File

@@ -29,6 +29,7 @@ class _MovieTabPageState extends State<MovieTabPage> {
DateTime? _lastUpdatedAt;
late ScrollController _scrollController;
AppProvider? _provider;
int _lastScrollSignal = 0;
static const _statusMap = {0: 'watched', 1: 'watching', 2: 'want_to_watch'};
@@ -57,6 +58,15 @@ class _MovieTabPageState extends State<MovieTabPage> {
void _onDataChanged() {
if (!_initialized || !mounted) return;
final provider = context.read<AppProvider>();
// 检查回到顶部信号
if (provider.scrollToTopSignal != _lastScrollSignal && provider.scrollToTopSignal > 0) {
_lastScrollSignal = provider.scrollToTopSignal;
if (_scrollController.hasClients) {
_scrollController.animateTo(0, duration: const Duration(milliseconds: 300), curve: Curves.easeOut);
}
}
final count = provider.movies.length;
final latest = provider.movies.isNotEmpty ? provider.movies.first.updatedAt : null;
if (count != _lastDataCount || latest != _lastUpdatedAt) {

10
lib/pages/note/note_tab_page.dart
View File

@@ -26,6 +26,7 @@ class _NoteTabPageState extends State<NoteTabPage> {
bool _initialized = false;
int _lastDataCount = -1;
DateTime? _lastUpdatedAt;
int _lastScrollSignal = 0;
@override
void initState() {
@@ -52,6 +53,15 @@ class _NoteTabPageState extends State<NoteTabPage> {
void _onDataChanged() {
if (!_initialized || !mounted) return;
final provider = context.read<AppProvider>();
// 检查回到顶部信号
if (provider.scrollToTopSignal != _lastScrollSignal && provider.scrollToTopSignal > 0) {
_lastScrollSignal = provider.scrollToTopSignal;
if (_scrollController.hasClients) {
_scrollController.animateTo(0, duration: const Duration(milliseconds: 300), curve: Curves.easeOut);
}
}
final count = provider.notes.length;
final latest = provider.notes.isNotEmpty ? provider.notes.first.updatedAt : null;
if (count != _lastDataCount || latest != _lastUpdatedAt) {

182
lib/pages/reader/bookshelf_page.dart Normal file
View File

@@ -0,0 +1,182 @@
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../models/reader_book.dart';
import '../../providers/app_provider.dart';
import '../../service/book_import_service.dart';
import 'reader_book_detail_page.dart';
/// 书架页面 — 展示导入的阅读器书籍，支持网格/列表切换
class BookshelfPage extends StatefulWidget {
const BookshelfPage({super.key});
@override
State<BookshelfPage> createState() => _BookshelfPageState();
}
class _BookshelfPageState extends State<BookshelfPage> {
bool _isGridView = true;
Future<void> _importBook() async {
final provider = context.read<AppProvider>();
await BookImportService.pickAndImportBook(context, provider);
}
void _openBookDetail(ReaderBook book) {
Navigator.push(
context,
MaterialPageRoute(
builder: (_) => ReaderBookDetailPage(book: book),
),
).then((_) {
context.read<AppProvider>().loadReaderBooks();
});
}
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return Scaffold(
backgroundColor: colors.surface,
appBar: AppBar(
title: const Text('阅读器'),
actions: [
IconButton(
icon: Icon(_isGridView ? Icons.view_list : Icons.grid_view),
tooltip: _isGridView ? '列表视图' : '网格视图',
onPressed: () {
setState(() {
_isGridView = !_isGridView;
});
},
),
IconButton(
icon: const Icon(Icons.add),
tooltip: '导入书籍',
onPressed: _importBook,
),
],
),
body: Consumer<AppProvider>(
builder: (context, provider, child) {
final books = provider.readerBooks;
if (books.isEmpty) {
return Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.menu_book_outlined, size: 64, color: colors.onSurface.withValues(alpha: 0.15)),
const SizedBox(height: 16),
Text('点击右上角导入书籍',
style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.3))),
],
),
);
}
if (_isGridView) {
return GridView.builder(
padding: const EdgeInsets.all(16),
gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 3,
mainAxisSpacing: 16,
crossAxisSpacing: 12,
childAspectRatio: 0.65,
),
itemCount: books.length,
itemBuilder: (context, index) => _buildGridViewItem(books[index], colors),
);
}
return ListView.builder(
padding: const EdgeInsets.all(16),
itemCount: books.length,
itemBuilder: (context, index) => _buildListViewItem(books[index], colors),
);
},
),
);
}
Widget _buildGridViewItem(ReaderBook book, ColorScheme colors) {
return GestureDetector(
onTap: () => _openBookDetail(book),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Expanded(
child: Container(
width: double.infinity,
decoration: BoxDecoration(
color: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(10),
border: Border.all(color: colors.outlineVariant, width: 0.5),
),
child: Center(
child: Icon(Icons.menu_book, size: 40, color: colors.onSurface.withValues(alpha: 0.2)),
),
),
),
const SizedBox(height: 6),
Text(book.title,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(fontSize: 12, fontWeight: FontWeight.w500, color: colors.onSurface)),
if (book.readingPercentage > 0)
Padding(
padding: const EdgeInsets.only(top: 1),
child: Text('${(book.readingPercentage * 100).toStringAsFixed(0)}%',
style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.3))),
),
],
),
);
}
Widget _buildListViewItem(ReaderBook book, ColorScheme colors) {
return GestureDetector(
onTap: () => _openBookDetail(book),
child: Container(
margin: const EdgeInsets.only(bottom: 12),
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(12),
),
child: Row(
children: [
Container(
width: 48,
height: 64,
decoration: BoxDecoration(
color: colors.surface,
borderRadius: BorderRadius.circular(8),
),
child: Icon(Icons.menu_book, size: 24, color: colors.onSurface.withValues(alpha: 0.2)),
),
const SizedBox(width: 14),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(book.title,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(fontSize: 15, fontWeight: FontWeight.w500, color: colors.onSurface)),
const SizedBox(height: 4),
Text('.${book.fileExtension}',
style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.3))),
],
),
),
if (book.readingPercentage > 0)
Text('${(book.readingPercentage * 100).toStringAsFixed(0)}%',
style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.4))),
],
),
),
);
}
}

261
lib/pages/reader/epub_player.dart Normal file
View File

@@ -0,0 +1,261 @@
import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_inappwebview/flutter_inappwebview.dart';
import 'package:provider/provider.dart';
import 'package:wakelock_plus/wakelock_plus.dart';
import '../../models/reader_book.dart';
import '../../providers/app_provider.dart';
import '../../service/book_server.dart';
import '../../utils/book_file_helper.dart';
import '../../utils/reader_url_generator.dart';
/// 目录条目
class TocItem {
final String href;
final String title;
TocItem({required this.href, required this.title});
factory TocItem.fromJson(Map<String, dynamic> json) {
return TocItem(
href: json['href'] ?? '',
title: json['title'] ?? '',
);
}
}
/// 核心电子书阅读组件 — 使用 InAppWebView 渲染 foliate-js 阅读器
class EpubPlayer extends StatefulWidget {
final ReaderBook book;
final String? initialCfi;
final VoidCallback showOrHideToolbar;
final ValueChanged<List<TocItem>>? onTocReady;
const EpubPlayer({
super.key,
required this.book,
this.initialCfi,
required this.showOrHideToolbar,
this.onTocReady,
});
@override
State<EpubPlayer> createState() => EpubPlayerState();
}
class EpubPlayerState extends State<EpubPlayer> {
late InAppWebViewController _controller;
String cfi = '';
double percentage = 0.0;
String chapterTitle = '';
int chapterCurrentPage = 0;
int chapterTotalPages = 0;
Timer? _styleTimer;
InAppWebViewSettings get _settings => InAppWebViewSettings(
supportZoom: false,
transparentBackground: true,
useHybridComposition: true,
mixedContentMode: MixedContentMode.MIXED_CONTENT_ALWAYS_ALLOW,
);
// ─── 翻页方法 ───────────────────────────────────────
void prevPage() {
_controller.evaluateJavascript(source: 'prevPage()');
}
void nextPage() {
_controller.evaluateJavascript(source: 'nextPage()');
}
void prevChapter() {
_controller.evaluateJavascript(source: 'prevSection()');
}
void nextChapter() {
_controller.evaluateJavascript(source: 'nextSection()');
}
void goToPercentage(double value) {
_controller.evaluateJavascript(source: 'goToPercent($value)');
}
void goToHref(String href) {
_controller.evaluateJavascript(source: "goToHref('$href')");
}
void goToCfi(String cfi) {
_controller.evaluateJavascript(source: "goToCfi('$cfi')");
}
// ─── 样式方法 ───────────────────────────────────────
void changeStyle({
double? fontSize,
double? lineHeight,
double? paragraphSpacing,
String? fontColor,
String? backgroundColor,
}) {
_styleTimer?.cancel();
_styleTimer = Timer(const Duration(milliseconds: 200), () {
if (!mounted) return;
final params = <String, dynamic>{};
if (fontSize != null) params['fontSize'] = (fontSize * 100).round();
if (lineHeight != null) params['spacing'] = lineHeight;
if (paragraphSpacing != null) params['paragraphSpacing'] = paragraphSpacing;
if (fontColor != null) params['fontColor'] = '#$fontColor';
if (backgroundColor != null) params['backgroundColor'] = '#$backgroundColor';
if (params.isEmpty) return;
final jsonParams = jsonEncode(params);
_controller.evaluateJavascript(source: 'changeStyle($jsonParams)');
});
}
void changeTheme(String bgColor, String textColor) {
_controller.evaluateJavascript(source: '''
changeStyle({
backgroundColor: '#$bgColor',
fontColor: '#$textColor',
})
''');
}
// ─── 保存进度 ───────────────────────────────────────
Future<void> saveReadingProgress() async {
if (cfi.isEmpty) return;
final provider = context.read<AppProvider>();
final updated = widget.book.copyWith(
lastReadCfi: cfi,
readingPercentage: percentage,
updatedAt: DateTime.now(),
);
await provider.updateReaderBook(updated);
}
// ─── WebView 回调 ───────────────────────────────────
Future<void> _onWebViewCreated(InAppWebViewController controller) async {
_controller = controller;
_setHandlers(controller);
// 开启常亮
WakelockPlus.enable();
}
void _setHandlers(InAppWebViewController controller) {
// 阅读位置变化
controller.addJavaScriptHandler(
handlerName: 'onRelocated',
callback: (args) {
final location = args[0] as Map<String, dynamic>;
setState(() {
cfi = location['cfi'] ?? '';
percentage = double.tryParse(location['percentage']?.toString() ?? '0') ?? 0.0;
chapterTitle = location['chapterTitle'] ?? '';
chapterCurrentPage = location['chapterCurrentPage'] ?? 0;
chapterTotalPages = location['chapterTotalPages'] ?? 0;
});
},
);
// 点击事件（控制翻页和工具栏）
controller.addJavaScriptHandler(
handlerName: 'onClick',
callback: (args) {
final location = args[0] as Map<String, dynamic>;
final x = location['x'] as num?;
final y = location['y'] as num?;
if (x == null || y == null) return;
final pageWidth = MediaQuery.of(context).size.width;
final clickX = x.toDouble() * pageWidth;
final oneThird = pageWidth / 3;
final twoThird = pageWidth * 2 / 3;
if (clickX < oneThird) {
prevPage();
} else if (clickX > twoThird) {
nextPage();
} else {
widget.showOrHideToolbar();
}
},
);
// 目录数据
controller.addJavaScriptHandler(
handlerName: 'onSetToc',
callback: (args) {
final List<dynamic> rawToc = args[0];
final toc = rawToc.map((item) {
if (item is Map) {
return TocItem.fromJson(Map<String, dynamic>.from(item));
}
return TocItem(href: '', title: item.toString());
}).toList();
widget.onTocReady?.call(toc);
},
);
// 翻页上拉手势
controller.addJavaScriptHandler(
handlerName: 'onPullUp',
callback: (args) {
widget.showOrHideToolbar();
},
);
}
@override
void dispose() {
_styleTimer?.cancel();
saveReadingProgress();
WakelockPlus.disable();
super.dispose();
}
@override
Widget build(BuildContext context) {
final isDark = Theme.of(context).brightness == Brightness.dark;
final fileAbsolute = BookFileHelper.instance.resolveAbsolutePath(widget.book.filePath);
final fileExists = fileAbsolute.isNotEmpty && File(fileAbsolute).existsSync();
final bookUrl = 'http://127.0.0.1:${Server().port}/book/${Uri.encodeComponent(fileAbsolute)}';
final initialCfi = widget.initialCfi ?? widget.book.lastReadCfi;
final bgColor = isDark ? 'FF1A1A1A' : 'FFFFFFFF';
final textColor = isDark ? 'FFE5E5E5' : 'FF1A1A1A';
final url = generateReaderUrl(
fileUrl: bookUrl,
cfi: initialCfi,
backgroundColor: bgColor,
textColor: textColor,
isDarkMode: isDark,
);
debugPrint('[EpubPlayer] port=${Server().port} running=${Server().isRunning}');
debugPrint('[EpubPlayer] fileAbsolute=$fileAbsolute exists=$fileExists');
return InAppWebView(
initialUrlRequest: URLRequest(url: WebUri(url)),
initialSettings: _settings,
onWebViewCreated: _onWebViewCreated,
onReceivedError: (controller, request, error) {
debugPrint('[EpubPlayer] WebView error: ${error.description}');
},
onConsoleMessage: (controller, msg) {
debugPrint('[EpubPlayer] JS: ${msg.message}');
},
);
}
}

114
lib/pages/reader/progress_panel.dart Normal file
View File

@@ -0,0 +1,114 @@
import 'dart:async';
import 'package:flutter/material.dart';
import 'epub_player.dart';
/// 进度控制面板 — 滑块跳转 + 章节信息
class ProgressPanel extends StatefulWidget {
final GlobalKey<EpubPlayerState> epubPlayerKey;
const ProgressPanel({super.key, required this.epubPlayerKey});
@override
State<ProgressPanel> createState() => _ProgressPanelState();
}
class _ProgressPanelState extends State<ProgressPanel> {
double _sliderValue = 0.0;
Timer? _debounceTimer;
EpubPlayerState? get _player => widget.epubPlayerKey.currentState;
@override
void initState() {
super.initState();
_sliderValue = _player?.percentage ?? 0.0;
}
@override
void dispose() {
_debounceTimer?.cancel();
super.dispose();
}
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
final player = _player;
final chapterTitle = player?.chapterTitle ?? '';
final currentPage = player?.chapterCurrentPage ?? 0;
final totalPages = player?.chapterTotalPages ?? 0;
final percent = player?.percentage ?? 0.0;
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
// 章节标题
if (chapterTitle.isNotEmpty)
Padding(
padding: const EdgeInsets.only(bottom: 8),
child: Text(
chapterTitle,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface),
),
),
// 滑块行
Row(
children: [
IconButton(
icon: const Icon(Icons.skip_previous, size: 20),
padding: EdgeInsets.zero,
constraints: const BoxConstraints(minWidth: 36, minHeight: 36),
onPressed: () => _player?.prevChapter(),
),
Expanded(
child: Slider(
value: _sliderValue.clamp(0.0, 1.0),
onChanged: (value) {
setState(() => _sliderValue = value);
_debounceTimer?.cancel();
_debounceTimer = Timer(const Duration(milliseconds: 100), () {
_player?.goToPercentage(value);
});
},
),
),
IconButton(
icon: const Icon(Icons.skip_next, size: 20),
padding: EdgeInsets.zero,
constraints: const BoxConstraints(minWidth: 36, minHeight: 36),
onPressed: () => _player?.nextChapter(),
),
],
),
// 页码和百分比
Padding(
padding: const EdgeInsets.only(bottom: 4),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
_infoItem('$currentPage', '当前页', colors),
_infoItem('$totalPages', '总页数', colors),
_infoItem('${(percent * 100).toStringAsFixed(1)}%', '进度', colors),
],
),
),
],
),
);
}
Widget _infoItem(String value, String label, ColorScheme colors) {
return Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(value, style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface)),
const SizedBox(height: 2),
Text(label, style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.4))),
],
);
}
}

187
lib/pages/reader/reader_book_detail_page.dart Normal file
View File

@@ -0,0 +1,187 @@
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../models/reader_book.dart';
import '../../providers/app_provider.dart';
import '../../utils/book_file_helper.dart';
import 'reading_page.dart';
/// 阅读器书籍详情页
class ReaderBookDetailPage extends StatefulWidget {
final ReaderBook book;
const ReaderBookDetailPage({super.key, required this.book});
@override
State<ReaderBookDetailPage> createState() => _ReaderBookDetailPageState();
}
class _ReaderBookDetailPageState extends State<ReaderBookDetailPage> {
late String _title;
late ReaderBook _book;
@override
void initState() {
super.initState();
_book = widget.book;
_title = _book.title;
}
Future<void> _startReading() async {
// 确保获取最新的book数据
final provider = context.read<AppProvider>();
final latest = provider.readerBooks.firstWhere(
(b) => b.id == _book.id,
orElse: () => _book,
);
if (context.mounted) {
await Navigator.push(
context,
MaterialPageRoute(
builder: (_) => ReadingPage(book: latest),
),
);
// 返回后刷新
if (mounted) {
await provider.loadReaderBooks();
final updated = provider.readerBooks.firstWhere(
(b) => b.id == _book.id,
orElse: () => _book,
);
setState(() {
_book = updated;
});
}
}
}
Future<void> _deleteBook() async {
final confirmed = await showDialog<bool>(
context: context,
builder: (ctx) => AlertDialog(
title: const Text('删除书籍'),
content: Text('确定要删除「$_title」吗？\n此操作将同时删除书籍文件。'),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx, false),
child: const Text('取消'),
),
TextButton(
onPressed: () => Navigator.pop(ctx, true),
child: const Text('删除', style: TextStyle(color: Colors.red)),
),
],
),
);
if (confirmed == true) {
await BookFileHelper.instance.deleteBookFiles(_book.id);
await context.read<AppProvider>().removeReaderBook(_book.id);
if (mounted) {
Navigator.pop(context);
}
}
}
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return Scaffold(
backgroundColor: colors.surface,
appBar: AppBar(
title: const Text('书籍详情'),
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 占位书封
Center(
child: Container(
width: 140,
height: 200,
decoration: BoxDecoration(
color: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(12),
border: Border.all(color: colors.outlineVariant, width: 0.5),
),
child: Icon(Icons.menu_book, size: 64, color: colors.onSurface.withValues(alpha: 0.2)),
),
),
const SizedBox(height: 24),
// 书名
Text('书名', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
const SizedBox(height: 4),
Text(_title, style: TextStyle(fontSize: 20, fontWeight: FontWeight.w600, color: colors.onSurface)),
const SizedBox(height: 16),
// 文件名
Text('文件', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
const SizedBox(height: 4),
Text('${_book.fileName} (.${_book.fileExtension})',
style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6))),
const SizedBox(height: 16),
// 阅读进度
Text('阅读进度', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
const SizedBox(height: 8),
Row(
children: [
Expanded(
child: ClipRRect(
borderRadius: BorderRadius.circular(4),
child: LinearProgressIndicator(
value: _book.readingPercentage,
minHeight: 8,
backgroundColor: colors.surfaceContainerHighest,
),
),
),
const SizedBox(width: 12),
Text('${(_book.readingPercentage * 100).toStringAsFixed(1)}%',
style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: colors.onSurface)),
],
),
const SizedBox(height: 16),
// 导入时间
Text('导入时间', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
const SizedBox(height: 4),
Text(_book.createdAt.toString().substring(0, 10),
style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6))),
const SizedBox(height: 40),
// 底部按钮
Row(
children: [
Expanded(
child: OutlinedButton(
onPressed: _deleteBook,
style: OutlinedButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 14),
),
child: const Text('删除'),
),
),
const SizedBox(width: 16),
Expanded(
flex: 2,
child: FilledButton(
onPressed: _startReading,
style: FilledButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 14),
),
child: const Text('阅读'),
),
),
],
),
],
),
),
);
}
}

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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:pointer_interceptor/pointer_interceptor.dart';
import '../../models/reader_book.dart';
import '../../service/book_server.dart';
import '../../utils/book_file_helper.dart';
import 'epub_player.dart';
import 'toc_drawer.dart';
import 'progress_panel.dart';
import 'style_panel.dart';
/// 书籍阅读页面
class ReadingPage extends StatefulWidget {
final ReaderBook book;
const ReadingPage({super.key, required this.book});
@override
State<ReadingPage> createState() => _ReadingPageState();
}
class _ReadingPageState extends State<ReadingPage> {
final GlobalKey<EpubPlayerState> _epubPlayerKey = GlobalKey<EpubPlayerState>();
final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
static const _empty = SizedBox.shrink();
bool _toolbarOffstage = true; // true=隐藏, false=显示
Widget _currentPage = const SizedBox.shrink();
bool _serverReady = false;
List<TocItem> _toc = [];
@override
void initState() {
super.initState();
_initServer();
SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky);
}
Future<void> _initServer() async {
String _ = await BookFileHelper.instance.bookFileRoot;
await Server().start(preferredPort: 0);
if (mounted) setState(() => _serverReady = true);
}
@override
void dispose() {
_epubPlayerKey.currentState?.saveReadingProgress();
Server().stop();
SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
super.dispose();
}
void _showToolbar() {
setState(() {
_toolbarOffstage = false;
});
}
void _hideToolbar() {
setState(() {
_currentPage = _empty;
_toolbarOffstage = true;
});
}
void _toggleToolbar() {
if (_toolbarOffstage) {
_showToolbar();
} else {
_hideToolbar();
}
}
void _onTocReady(List<TocItem> toc) {
if (mounted) setState(() => _toc = toc);
}
void _openTocDrawer() {
_hideToolbar();
_scaffoldKey.currentState?.openDrawer();
}
// ─── 底部面板切换 ─────────────────────────────────────
void _onProgressPressed() {
setState(() {
_currentPage = ProgressPanel(epubPlayerKey: _epubPlayerKey);
});
}
void _onStylePressed() {
setState(() {
_currentPage = StylePanel(epubPlayerKey: _epubPlayerKey);
});
}
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
// ─── 工具栏覆盖层（照抄 anx-reader 的 Offstage + PointerInterceptor 模式）
Offstage controller = Offstage(
offstage: _toolbarOffstage,
child: PointerInterceptor(
child: Stack(
children: [
// 半透明背景，点击关闭工具栏
Positioned.fill(
child: GestureDetector(
onTap: _hideToolbar,
behavior: HitTestBehavior.opaque,
onVerticalDragUpdate: (details) {},
onVerticalDragEnd: (details) {},
child: Container(
color: Colors.black.withValues(alpha: 0.15),
),
),
),
// 顶部 AppBar + 底部工具栏
Column(
children: [
// 顶部 AppBar
AppBar(
backgroundColor: colors.surface.withValues(alpha: 0.94),
title: Text(widget.book.title, overflow: TextOverflow.ellipsis),
leading: IconButton(
icon: const Icon(Icons.arrow_back),
onPressed: () => Navigator.pop(context),
),
),
const Spacer(),
// 底部面板 + 按钮行
BottomSheet(
onClosing: () {},
enableDrag: false,
builder: (context) => SafeArea(
top: false,
child: Container(
constraints: const BoxConstraints(maxWidth: 600),
child: StatefulBuilder(
builder: (BuildContext context, StateSetter modalSetState) {
final hasContent = !identical(_currentPage, _empty);
return IntrinsicHeight(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
// 面板内容区域
if (hasContent)
Expanded(
child: SingleChildScrollView(
child: _currentPage,
),
),
// 按钮行
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
IconButton(
icon: const Icon(Icons.toc),
tooltip: '目录',
onPressed: _openTocDrawer,
),
IconButton(
icon: const Icon(Icons.data_usage),
tooltip: '进度',
onPressed: () {
modalSetState(() {
_onProgressPressed();
});
},
),
IconButton(
icon: const Icon(Icons.color_lens),
tooltip: '样式',
onPressed: () {
modalSetState(() {
_onStylePressed();
});
},
),
IconButton(
icon: const Icon(Icons.skip_previous),
tooltip: '上一章',
onPressed: () {
_epubPlayerKey.currentState?.prevChapter();
},
),
IconButton(
icon: const Icon(Icons.skip_next),
tooltip: '下一章',
onPressed: () {
_epubPlayerKey.currentState?.nextChapter();
},
),
],
),
],
),
);
},
),
),
),
),
],
),
],
),
),
);
return Scaffold(
key: _scaffoldKey,
backgroundColor: colors.surface,
// TOC 目录抽屉
drawer: PointerInterceptor(
child: Drawer(
width: MediaQuery.of(context).size.width * 0.75,
child: TocDrawer(
toc: _toc,
epubPlayerKey: _epubPlayerKey,
),
),
),
body: _serverReady
? Stack(
children: [
// 阅读内容（WebView）
EpubPlayer(
key: _epubPlayerKey,
book: widget.book,
showOrHideToolbar: _toggleToolbar,
onTocReady: _onTocReady,
),
// 工具栏覆盖层
controller,
],
)
: const Center(child: CircularProgressIndicator()),
);
}
}

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import 'package:flutter/material.dart';
import '../../utils/user_prefs.dart';
import 'epub_player.dart';
/// 预设主题
const _presetThemes = [
{'bg': 'FFFFFFFF', 'fg': 'FF1A1A1A', 'name': '默认'},
{'bg': 'FF1A1A1A', 'fg': 'FFE5E5E5', 'name': '暗黑'},
{'bg': 'FFF8F0E3', 'fg': 'FF333333', 'name': '护眼'},
{'bg': 'FF2B2B2B', 'fg': 'FFCCCCCC', 'name': '深灰'},
{'bg': 'FF2D3E50', 'fg': 'FFD4D4D4', 'name': '蓝灰'},
];
/// 样式设置面板 — 字号、行距、主题
class StylePanel extends StatefulWidget {
final GlobalKey<EpubPlayerState> epubPlayerKey;
const StylePanel({super.key, required this.epubPlayerKey});
@override
State<StylePanel> createState() => _StylePanelState();
}
class _StylePanelState extends State<StylePanel> {
double _fontSize = 1.0;
double _lineHeight = 1.6;
int _selectedTheme = 0;
@override
void initState() {
super.initState();
_loadPrefs();
}
void _loadPrefs() {
final sp = UserPrefs().prefs;
setState(() {
_fontSize = sp.getDouble('reader_font_size') ?? 1.0;
_lineHeight = sp.getDouble('reader_line_height') ?? 1.6;
_selectedTheme = sp.getInt('reader_theme_index') ?? 0;
});
}
void _savePrefs() {
final sp = UserPrefs().prefs;
sp.setDouble('reader_font_size', _fontSize);
sp.setDouble('reader_line_height', _lineHeight);
sp.setInt('reader_theme_index', _selectedTheme);
}
void _applyStyle() {
widget.epubPlayerKey.currentState?.changeStyle(
fontSize: _fontSize,
lineHeight: _lineHeight,
);
_savePrefs();
}
void _applyTheme(int index) {
final theme = _presetThemes[index];
final bg = theme['bg']!;
final fg = theme['fg']!;
widget.epubPlayerKey.currentState?.changeTheme(bg, fg);
setState(() => _selectedTheme = index);
_savePrefs();
}
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
// 字号
Row(
children: [
Text('字号', style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.6))),
Expanded(
child: Slider(
value: _fontSize,
min: 0.5,
max: 3.0,
divisions: 25,
label: '${(_fontSize * 100).round()}%',
onChanged: (value) {
setState(() => _fontSize = value);
_applyStyle();
},
),
),
SizedBox(
width: 44,
child: Text('${(_fontSize * 100).round()}%',
textAlign: TextAlign.end,
style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.5))),
),
],
),
// 行距
Row(
children: [
Text('行距', style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.6))),
Expanded(
child: Slider(
value: _lineHeight,
min: 1.0,
max: 3.0,
divisions: 20,
label: _lineHeight.toStringAsFixed(1),
onChanged: (value) {
setState(() => _lineHeight = value);
_applyStyle();
},
),
),
SizedBox(
width: 44,
child: Text(_lineHeight.toStringAsFixed(1),
textAlign: TextAlign.end,
style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.5))),
),
],
),
const SizedBox(height: 8),
// 主题色块
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: List.generate(_presetThemes.length, (index) {
final theme = _presetThemes[index];
final bg = Color(int.parse(theme['bg']!, radix: 16));
final fg = Color(int.parse(theme['fg']!, radix: 16));
final isSelected = index == _selectedTheme;
return GestureDetector(
onTap: () => _applyTheme(index),
child: Container(
width: 42,
height: 42,
margin: const EdgeInsets.symmetric(horizontal: 6),
decoration: BoxDecoration(
color: bg,
borderRadius: BorderRadius.circular(21),
border: Border.all(
color: isSelected ? colors.primary : colors.outlineVariant,
width: isSelected ? 2.5 : 1,
),
),
child: Center(
child: Text('A', style: TextStyle(color: fg, fontSize: 16, fontWeight: FontWeight.w500)),
),
),
);
}),
),
],
),
);
}
}

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import 'package:flutter/material.dart';
import 'epub_player.dart';
/// 目录抽屉 — 显示书籍章节目录，点击跳转
class TocDrawer extends StatelessWidget {
final List<TocItem> toc;
final GlobalKey<EpubPlayerState> epubPlayerKey;
final VoidCallback? onClose;
const TocDrawer({
super.key,
required this.toc,
required this.epubPlayerKey,
this.onClose,
});
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return Container(
color: colors.surface,
child: SafeArea(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
child: Row(
children: [
Icon(Icons.toc, size: 20, color: colors.onSurface.withValues(alpha: 0.6)),
const SizedBox(width: 10),
Text('目录', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface)),
const Spacer(),
IconButton(
icon: const Icon(Icons.close),
onPressed: onClose ?? () => Navigator.pop(context),
),
],
),
),
Divider(height: 1, color: colors.outlineVariant),
Expanded(
child: toc.isEmpty
? Center(
child: Text('暂无目录', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.3))),
)
: ListView.builder(
padding: const EdgeInsets.symmetric(vertical: 8),
itemCount: toc.length,
itemBuilder: (context, index) {
final item = toc[index];
return InkWell(
onTap: () {
epubPlayerKey.currentState?.goToHref(item.href);
Navigator.pop(context);
},
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
child: Text(
item.title,
style: TextStyle(
fontSize: 14,
color: colors.onSurface.withValues(alpha: 0.8),
),
),
),
);
},
),
),
],
),
),
);
}
}