Initial project import and stabilization baseline

2026-03-30 21:28:44 +07:00
commit ad33b01231
186 changed files with 20445 additions and 0 deletions
--- a/lib/features/home/unsplash_background.dart
+++ b/lib/features/home/unsplash_background.dart
@@ -0,0 +1,102 @@
+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../../data/services/unsplash_service.dart';
+import '../../providers.dart';
+
+/// Renders a securely rotating background using Unsplash API.
+class UnsplashBackground extends ConsumerStatefulWidget {
+  const UnsplashBackground({super.key});
+
+  @override
+  ConsumerState<UnsplashBackground> createState() => _UnsplashBackgroundState();
+}
+
+class _UnsplashBackgroundState extends ConsumerState<UnsplashBackground> {
+  List<String> _urls = [];
+  int _currentIndex = 0;
+  Timer? _rotationTimer;
+  String? _lastKeyword;
+  int? _lastRotationHours;
+
+  @override
+  void initState() {
+    super.initState();
+    _initDataAndTimer();
+  }
+
+  void _initDataAndTimer() async {
+    final settings = ref.read(settingsProvider);
+    _lastKeyword = settings.unsplashKeyword;
+    _lastRotationHours = settings.unsplashRotationHours;
+
+    await _fetchImages(settings.unsplashKeyword);
+    _startTimer(settings.unsplashRotationHours);
+  }
+
+  Future<void> _fetchImages(String keyword) async {
+    final urls = await UnsplashService.instance.fetchLandscapeBackgrounds(keyword);
+    if (urls.isNotEmpty && mounted) {
+      setState(() {
+        _urls = urls;
+        _currentIndex = 0;
+      });
+    }
+  }
+
+  void _startTimer(int hours) {
+    _rotationTimer?.cancel();
+    if (hours <= 0) return;
+
+    _rotationTimer = Timer.periodic(Duration(hours: hours), (_) {
+      if (_urls.isNotEmpty && mounted) {
+        setState(() {
+          _currentIndex = (_currentIndex + 1) % _urls.length;
+        });
+      }
+    });
+  }
+
+  @override
+  void dispose() {
+    _rotationTimer?.cancel();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final settings = ref.watch(settingsProvider);
+
+    // Watch for config changes
+    if (settings.unsplashKeyword != _lastKeyword) {
+      _lastKeyword = settings.unsplashKeyword;
+      // Re-fetch images organically
+      _fetchImages(settings.unsplashKeyword);
+    }
+    
+    if (settings.unsplashRotationHours != _lastRotationHours) {
+      _lastRotationHours = settings.unsplashRotationHours;
+      _startTimer(settings.unsplashRotationHours);
+    }
+
+    if (!settings.useUnsplashBackground || _urls.isEmpty) {
+      return const SizedBox.shrink(); // Fallback to flat background handled underneath
+    }
+
+    return AnimatedSwitcher(
+      duration: const Duration(seconds: 3),
+      transitionBuilder: (child, animation) => FadeTransition(opacity: animation, child: child),
+      child: Image.network(
+        _urls[_currentIndex],
+        key: ValueKey(_urls[_currentIndex]),
+        fit: BoxFit.cover,
+        width: double.infinity,
+        height: double.infinity,
+        // Soft opacity behind the MainScreen's dark glass vignette
+        color: Colors.black.withValues(alpha: 0.5), 
+        colorBlendMode: BlendMode.darken,
+      ),
+    );
+  }
+}