refactor(flutter): split main.dart into screens/ directory (TODO-023)

Extract BetaHome (2374 lines) to screens/home_screen.dart and LiveDiagnosticsDialog (97 lines) to screens/diagnostics_dialog.dart. main.dart reduced from 2910 to 255 lines. No behavioral changes.
2026-06-11 20:42:38 +09:00
parent 0c8efa38f1
commit 7ab50a4eb5
3 changed files with 2480 additions and 2663 deletions
@@ -0,0 +1,97 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:share_plus/share_plus.dart';
+
+import '../l10n/generated/app_localizations.dart';
+
+class LiveDiagnosticsDialog extends StatefulWidget {
+  const LiveDiagnosticsDialog({super.key, required this.diagnosticsTextBuilder});
+
+  final String Function() diagnosticsTextBuilder;
+
+  @override
+  State<LiveDiagnosticsDialog> createState() => _LiveDiagnosticsDialogState();
+}
+
+class _LiveDiagnosticsDialogState extends State<LiveDiagnosticsDialog> {
+  static const _refreshInterval = Duration(seconds: 1);
+
+  Timer? _refreshTimer;
+  String _text = '';
+
+  @override
+  void initState() {
+    super.initState();
+    _refresh();
+    _refreshTimer = Timer.periodic(_refreshInterval, (_) => _refresh());
+  }
+
+  @override
+  void dispose() {
+    _refreshTimer?.cancel();
+    super.dispose();
+  }
+
+  void _refresh() {
+    final next = widget.diagnosticsTextBuilder();
+    if (!mounted || next == _text) return;
+    setState(() => _text = next);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = AppL10n.of(context);
+    final size = MediaQuery.sizeOf(context);
+
+    return AlertDialog(
+      title: Row(
+        children: [
+          Expanded(child: Text(l10n.diagnosticsAction)),
+          const SizedBox(width: 12),
+          Tooltip(
+            message: l10n.diagnosticsLiveUpdating,
+            child: Icon(
+              Icons.sync,
+              size: 18,
+              color: Theme.of(context).colorScheme.primary,
+            ),
+          ),
+        ],
+      ),
+      content: ConstrainedBox(
+        constraints: BoxConstraints(
+          maxWidth: 720,
+          maxHeight: size.height * 0.65,
+        ),
+        child: SingleChildScrollView(
+          child: SelectableText(
+            _text,
+            style: const TextStyle(fontFamily: 'monospace', fontSize: 11),
+          ),
+        ),
+      ),
+      actions: [
+        TextButton(
+          onPressed: () async {
+            await SharePlus.instance.share(ShareParams(text: _text));
+          },
+          child: Text(l10n.shareAction),
+        ),
+        TextButton(
+          onPressed: () async {
+            await Clipboard.setData(ClipboardData(text: _text));
+            if (!context.mounted) return;
+            Navigator.of(context).pop();
+          },
+          child: Text(l10n.copyAction),
+        ),
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(),
+          child: Text(l10n.closeAction),
+        ),
+      ],
+    );
+  }
+}