merge new features

2026-05-27 19:19:11 +08:00
parent 886046a72b
commit 98af110531
37 changed files with 6405 additions and 993 deletions
@@ -0,0 +1,177 @@
+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:webview_flutter/webview_flutter.dart';
+
+class AnnouncementDialog extends StatefulWidget {
+  final String title;
+  final String html;
+  final String baseUrl;
+
+  const AnnouncementDialog({
+    super.key,
+    required this.title,
+    required this.html,
+    required this.baseUrl,
+  });
+
+  static Future<void> show(
+    BuildContext context, {
+    required String title,
+    required String html,
+    required String baseUrl,
+  }) async {
+    if (html.trim().isEmpty) return;
+
+    await showDialog<void>(
+      context: context,
+      barrierDismissible: true,
+      builder: (_) => AnnouncementDialog(
+        title: title,
+        html: html,
+        baseUrl: baseUrl,
+      ),
+    );
+  }
+
+  @override
+  State<AnnouncementDialog> createState() => _AnnouncementDialogState();
+}
+
+class _AnnouncementDialogState extends State<AnnouncementDialog> {
+  late final WebViewController _controller;
+  bool _loading = true;
+
+  @override
+  void initState() {
+    super.initState();
+
+    _controller = WebViewController()
+      ..setJavaScriptMode(JavaScriptMode.unrestricted)
+      ..setBackgroundColor(Colors.transparent)
+      ..setNavigationDelegate(
+        NavigationDelegate(
+          onPageFinished: (_) {
+            if (mounted) setState(() => _loading = false);
+          },
+        ),
+      );
+
+    _load();
+  }
+
+  Future<void> _load() async {
+    final origin = Uri.parse(widget.baseUrl).origin;
+    final html = _wrapHtml(widget.html);
+
+    await _controller.loadHtmlString(
+      html,
+      baseUrl: '$origin/',
+    );
+  }
+
+  String _wrapHtml(String body) {
+    final encodedTitle = const HtmlEscape().convert(widget.title);
+
+    return '''
+<!doctype html>
+<html>
+<head>
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
+<title>$encodedTitle</title>
+<style>
+  html, body {
+    margin: 0;
+    padding: 0;
+    background: transparent;
+    color: #1f2937;
+    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", sans-serif;
+    font-size: 14px;
+    line-height: 1.65;
+    overflow-wrap: anywhere;
+  }
+  body {
+    padding: 12px 14px 18px;
+    box-sizing: border-box;
+  }
+  img, video {
+    max-width: 100% !important;
+    height: auto !important;
+    border-radius: 12px;
+  }
+  a {
+    color: #2563eb;
+    text-decoration: none;
+  }
+  fieldset, section, div {
+    max-width: 100% !important;
+    box-sizing: border-box !important;
+  }
+</style>
+</head>
+<body>
+$body
+</body>
+</html>
+''';
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Dialog(
+      insetPadding: const EdgeInsets.symmetric(horizontal: 18, vertical: 28),
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(22)),
+      child: ClipRRect(
+        borderRadius: BorderRadius.circular(22),
+        child: SizedBox(
+          width: double.infinity,
+          height: MediaQuery.of(context).size.height * 0.72,
+          child: Column(
+            children: [
+              Container(
+                padding: const EdgeInsets.fromLTRB(18, 14, 8, 10),
+                decoration: BoxDecoration(
+                  color: theme.colorScheme.surface,
+                  border: Border(
+                    bottom: BorderSide(
+                      color: theme.dividerColor.withValues(alpha: 0.45),
+                    ),
+                  ),
+                ),
+                child: Row(
+                  children: [
+                    Expanded(
+                      child: Text(
+                        widget.title,
+                        style: theme.textTheme.titleMedium?.copyWith(
+                          fontWeight: FontWeight.w800,
+                        ),
+                      ),
+                    ),
+                    IconButton(
+                      tooltip: '关闭',
+                      onPressed: () => Navigator.of(context).pop(),
+                      icon: const Icon(Icons.close),
+                    ),
+                  ],
+                ),
+              ),
+              Expanded(
+                child: Stack(
+                  children: [
+                    WebViewWidget(controller: _controller),
+                    if (_loading)
+                      const Center(child: CircularProgressIndicator()),
+                  ],
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}