适配深色模式

lib/pages/movies/douban_webview_page.dart

@@ -5,9 +5,9 @@ import 'package:webview_flutter/webview_flutter.dart';
 /// 豆瓣影视WebView页面 - 用于抓取影视信息
 class DoubanWebViewPage extends StatefulWidget {
   final String url;
-  
+
   const DoubanWebViewPage({super.key, required this.url});
-  
+
   @override
   State<DoubanWebViewPage> createState() => _DoubanWebViewPageState();
 }
@@ -16,21 +16,21 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
   late WebViewController _controller;
   bool _isLoading = true;
   bool _canExtract = false;
-  bool _isExtracting = false;  // 防止重复提取
-  
+  bool _isExtracting = false; // 防止重复提取
+
   @override
   void initState() {
     super.initState();
     _initWebView();
   }
-  
+
   @override
   void dispose() {
     // 清理 WebView 资源
     _controller.loadRequest(Uri.parse('about:blank'));
     super.dispose();
   }
-  
+
   void _initWebView() {
     _controller = WebViewController()
       ..setJavaScriptMode(JavaScriptMode.unrestricted)
@@ -55,23 +55,26 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
       )
       ..loadRequest(Uri.parse(widget.url));
   }
-  
+
   @override
   Widget build(BuildContext context) {
+    final colors = Theme.of(context).colorScheme;
     return Scaffold(
-      backgroundColor: Colors.white,
+      backgroundColor: colors.surface,
       appBar: AppBar(
         title: const Text('豆瓣影视'),
         leading: _buildBackButton(),
         actions: [
           // 提取按钮 - 始终显示
           _buildActionButton(
+            colors: colors,
             icon: Icons.auto_fix_high_outlined,
             onPressed: _showExtractedInfo,
             tooltip: '提取信息',
           ),
           // 刷新按钮
           _buildActionButton(
+            colors: colors,
             icon: Icons.refresh,
             onPressed: () => _controller.reload(),
             tooltip: '刷新',
@@ -83,16 +86,14 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
         children: [
           WebViewWidget(controller: _controller),
           // 加载指示器
-          if (_isLoading)
-            const Center(
-              child: CircularProgressIndicator(),
-            ),
+          if (_isLoading) const Center(
+            child: CircularProgressIndicator(),
+          ),
         ],
       ),
-
     );
   }
-  
+
   /// 构建返回按钮
   Widget _buildBackButton() {
     return Container(
@@ -121,6 +122,7 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
 
   /// 构建右上角操作按钮
   Widget _buildActionButton({
+    required ColorScheme colors,
     required IconData icon,
     required VoidCallback onPressed,
     required String tooltip,
@@ -138,75 +140,86 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
           borderRadius: BorderRadius.circular(8),
           child: Container(
             padding: const EdgeInsets.all(8),
-            child: Icon(icon, color: const Color(0xFF1A1A1A), size: 22),
+            child: Icon(icon, color: colors.onSurface, size: 22),
           ),
         ),
       ),
     );
   }
-  
+
   /// 显示提取的信息对话框
   Future<void> _showExtractedInfo() async {
     // 先提取信息
     final movieInfo = await _extractMovieInfo();
     if (movieInfo == null) return;
-    
+
     // 显示提取的信息
     if (mounted) {
       showDialog(
         context: context,
-        builder: (context) => AlertDialog(
-          backgroundColor: Colors.white,
-          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
-          title: const Text(
-            '提取的影视信息',
-            style: TextStyle(
-              fontSize: 18,
-              fontWeight: FontWeight.w600,
-              color: Color(0xFF1A1A1A),
-            ),
-          ),
-          content: SingleChildScrollView(
-            child: Column(
-              mainAxisSize: MainAxisSize.min,
-              crossAxisAlignment: CrossAxisAlignment.start,
-              children: [
-                _buildInfoRow('标题', movieInfo['title']?.toString() ?? '未提取到'),
-                _buildInfoRow('导演', movieInfo['director']?.toString() ?? '未提取到'),
-                _buildInfoRow('类型', movieInfo['genres']?.toString() ?? '未提取到'),
-                _buildInfoRow('上映日期', movieInfo['releaseDate']?.toString() ?? '未提取到'),
-                if (movieInfo['summary'] != null)
-                  _buildInfoRow('简介', movieInfo['summary'].toString().substring(0, 
-                    movieInfo['summary'].toString().length > 100 ? 100 : movieInfo['summary'].toString().length) + '...'),
-              ],
-            ),
-          ),
-          actions: [
-            TextButton(
-              onPressed: () => Navigator.pop(context),
-              child: const Text(
-                '取消',
-                style: TextStyle(color: Color(0xFF999999)),
+        builder: (ctx) {
+          final colors = Theme.of(ctx).colorScheme;
+          return AlertDialog(
+            backgroundColor: colors.surface,
+            shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+            title: Text(
+              '提取的影视信息',
+              style: TextStyle(
+                fontSize: 18,
+                fontWeight: FontWeight.w600,
+                color: colors.onSurface,
               ),
             ),
-            TextButton(
-              onPressed: () {
-                Navigator.pop(context);
-                Navigator.pop(context, movieInfo);
-              },
-              child: const Text(
-                '使用此信息',
-                style: TextStyle(color: Color(0xFF1A1A1A), fontWeight: FontWeight.w600),
+            content: SingleChildScrollView(
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  _buildInfoRow(colors, '标题', movieInfo['title']?.toString() ?? '未提取到'),
+                  _buildInfoRow(colors, '导演', movieInfo['director']?.toString() ?? '未提取到'),
+                  _buildInfoRow(colors, '类型', movieInfo['genres']?.toString() ?? '未提取到'),
+                  _buildInfoRow(colors, '上映日期', movieInfo['releaseDate']?.toString() ?? '未提取到'),
+                  if (movieInfo['summary'] != null)
+                    _buildInfoRow(
+                        colors,
+                        '简介',
+                        movieInfo['summary'].toString().substring(
+                            0,
+                            movieInfo['summary'].toString().length > 100
+                                ? 100
+                                : movieInfo['summary'].toString().length) +
+                            '...'),
+                ],
               ),
             ),
-          ],
-        ),
+            actions: [
+              TextButton(
+                onPressed: () => Navigator.pop(ctx),
+                child: Text(
+                  '取消',
+                  style: TextStyle(color: colors.onSurface.withValues(alpha: 0.4)),
+                ),
+              ),
+              TextButton(
+                onPressed: () {
+                  Navigator.pop(ctx);
+                  Navigator.pop(context, movieInfo);
+                },
+                child: Text(
+                  '使用此信息',
+                  style: TextStyle(
+                      color: colors.onSurface, fontWeight: FontWeight.w600),
+                ),
+              ),
+            ],
+          );
+        },
       );
     }
   }
-  
+
   /// 构建信息行
-  Widget _buildInfoRow(String label, String value) {
+  Widget _buildInfoRow(ColorScheme colors, String label, String value) {
     return Padding(
       padding: const EdgeInsets.only(bottom: 8),
       child: Row(
@@ -216,18 +229,18 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
             width: 64,
             child: Text(
               label,
-              style: const TextStyle(
+              style: TextStyle(
                 fontSize: 14,
-                color: Color(0xFF999999),
+                color: colors.onSurface.withValues(alpha: 0.4),
               ),
             ),
           ),
           Expanded(
             child: Text(
               value,
-              style: const TextStyle(
+              style: TextStyle(
                 fontSize: 14,
-                color: Color(0xFF1A1A1A),
+                color: colors.onSurface,
               ),
             ),
           ),
@@ -240,10 +253,10 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
   Future<Map<String, dynamic>?> _extractMovieInfo() async {
     // 检查是否已提取过，避免重复点击
     if (_isExtracting) return null;
-    
+
     try {
       _isExtracting = true;
-      
+
       // 显示加载提示
       showDialog(
         context: context,
@@ -252,16 +265,16 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
           child: CircularProgressIndicator(),
         ),
       );
-      
+
       // 执行JavaScript代码提取页面信息
       final result = await _controller.runJavaScriptReturningResult(r'''
         (function() {
           const info = {};
-          
+
           // 获取标题 - 移动版页面
           const titleEl = document.querySelector('.sub-title');
           info.title = titleEl ? titleEl.textContent.trim() : '';
-          
+
           // 获取年份 - 从 original-title 中提取
           const originalTitleEl = document.querySelector('.sub-original-title');
           if (originalTitleEl) {
@@ -270,7 +283,7 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
           } else {
             info.year = '';
           }
-          
+
           // 获取封面图 - 从 sub-cover 中的 img 标签获取
           const coverEl = document.querySelector('.sub-cover img');
           if (coverEl) {
@@ -283,11 +296,11 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
           } else {
             info.coverUrl = '';
           }
-          
+
           // 获取评分 - 移动版可能在 mark-item 中
           const ratingEl = document.querySelector('.rating-num') || document.querySelector('.score');
           info.rating = ratingEl ? ratingEl.textContent.trim() : '';
-          
+
           // 获取导演 - 从演职员列表中找
           const directorEl = document.querySelector('.movie-celebrities .item__celebrity .role');
           if (directorEl && directorEl.textContent.includes('导演')) {
@@ -296,7 +309,7 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
           } else {
             info.director = '';
           }
-          
+
           // 获取编剧 - 从演职员列表中找（匹配"编剧"或"剧本"）
           const writerEls = document.querySelectorAll('.movie-celebrities .item__celebrity');
           const writers = [];
@@ -308,7 +321,7 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
             }
           });
           info.writers = writers;
-          
+
           // 获取主演- 从演职员列表中找前5个
           const actorEls = document.querySelectorAll('.movie-celebrities .item__celebrity');
           const actors = [];
@@ -316,10 +329,10 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
             const roleEl = el
             .querySelector('.role');
             if (roleEl && (
-            roleEl.textContent.includes('配音') || 
-            roleEl.textContent.includes('主演') || 
+            roleEl.textContent.includes('配音') ||
+            roleEl.textContent.includes('主演') ||
             roleEl.textContent.includes('演员') ||
-            roleEl.textContent.includes('参演') ||  
+            roleEl.textContent.includes('参演') ||
             roleEl.textContent.includes('饰')
             )) {
               const nameEl = el.querySelector('.name');
@@ -327,20 +340,20 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
             }
           });
           info.actors = actors;
-          
+
           // 获取类型 - 从 sub-meta 或标签中提取
           const metaEl = document.querySelector('.sub-meta');
           if (metaEl) {
             const metaText = metaEl.textContent;
             const parts = metaText.split('/').map(s => s.trim());
             // 过滤出类型（通常是中文，不是日期，不是时长）
-            info.genres = parts.filter(p => 
+            info.genres = parts.filter(p =>
               p && !p.match(/^\d{4}/) && !p.includes('分钟') && !p.includes('上映')
             ).join(',');
           } else {
             info.genres = '';
           }
-          
+
           // 获取上映日期
           if (metaEl) {
             const dateMatch = metaEl.textContent.match(/(\d{4}-\d{2}-\d{2})/);
@@ -348,7 +361,7 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
           } else {
             info.releaseDate = '';
           }
-          
+
           // 获取简介
           const summaryEl = document.querySelector('.subject-intro p');
           if (summaryEl) {
@@ -356,7 +369,7 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
           } else {
             info.summary = '';
           }
-          
+
           // 获取别名 - 从 original-title 中提取（去掉年份）
           if (originalTitleEl) {
             const fullText = originalTitleEl.textContent.trim();
@@ -364,14 +377,14 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
           } else {
             info.alternateTitles = [];
           }
-          
+
           return JSON.stringify(info);
         })()
       ''');
-      
+
       // 关闭加载提示
       if (mounted) Navigator.pop(context);
-      
+
       // 解析提取的信息
       // result 是 JavaScript 执行结果，已经是 JSON 字符串（带引号的）
       final String jsonStr = result.toString();
@@ -380,12 +393,12 @@ class _DoubanWebViewPageState extends State<DoubanWebViewPage> {
           ? jsonDecode(jsonStr) as String
           : jsonStr;
       final Map<String, dynamic> movieInfo = jsonDecode(cleanJson) as Map<String, dynamic>;
-      
+
       return movieInfo;
     } catch (e) {
       // 关闭加载提示
       if (mounted) Navigator.pop(context);
-      
+
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(content: Text('提取信息失败: $e')),