Initial commit

2026-07-14 11:11:36 +08:00
commit 656499cf94
604 changed files with 119518 additions and 0 deletions
@@ -0,0 +1,206 @@
+import 'dart:io' show Platform;
+import 'dart:ui';
+
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+
+import '../theme/app_theme.dart';
+
+class AppBottomNav extends StatelessWidget {
+  final StatefulNavigationShell navigationShell;
+
+  const AppBottomNav({super.key, required this.navigationShell});
+
+  static const _destinations = <_BottomDestination>[
+    _BottomDestination(
+      branchIndex: 0,
+      icon: Icons.video_library_outlined,
+      selectedIcon: Icons.video_library,
+      label: '媒体',
+    ),
+    _BottomDestination(
+      branchIndex: 2,
+      icon: Icons.history_outlined,
+      selectedIcon: Icons.history,
+      label: '观看',
+    ),
+    _BottomDestination(
+      branchIndex: 1,
+      icon: Icons.dns_outlined,
+      selectedIcon: Icons.dns,
+      label: '资源',
+    ),
+    _BottomDestination(
+      branchIndex: 5,
+      icon: Icons.settings_outlined,
+      selectedIcon: Icons.settings,
+      label: '设置',
+    ),
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    final tokens = context.appTokens;
+    final theme = Theme.of(context);
+    final currentBranch = navigationShell.currentIndex;
+    final bottomPadding = MediaQuery.paddingOf(context).bottom;
+
+    return SizedBox(
+      height: 64 + bottomPadding + 28,
+      child: Stack(
+        clipBehavior: Clip.none,
+        children: [
+          Positioned(
+            left: 0,
+            right: 0,
+            bottom: 0,
+            child: ClipRRect(
+              borderRadius: BorderRadius.vertical(
+                top: Radius.circular(
+                  Platform.isAndroid ? 24 : tokens.bottomNavRadius,
+                ),
+              ),
+              child: BackdropFilter(
+                filter: ImageFilter.blur(sigmaX: 20, sigmaY: 20),
+                child: Container(
+                  color: tokens.shellBg.withValues(
+                    alpha: Platform.isAndroid ? 0.88 : 0.78,
+                  ),
+                  padding: EdgeInsets.only(bottom: bottomPadding),
+                  height: 64 + bottomPadding,
+                  child: Row(
+                    children: [
+                      for (var i = 0; i < _destinations.length; i++) ...[
+                        if (i == 2) const SizedBox(width: 64),
+                        Expanded(
+                          child: _NavItem(
+                            destination: _destinations[i],
+                            selected:
+                                _destinations[i].branchIndex == currentBranch,
+                            onTap: () {
+                              final target = _destinations[i].branchIndex;
+                              navigationShell.goBranch(
+                                target,
+                                initialLocation:
+                                    target == navigationShell.currentIndex,
+                              );
+                            },
+                            theme: theme,
+                            tokens: tokens,
+                          ),
+                        ),
+                      ],
+                    ],
+                  ),
+                ),
+              ),
+            ),
+          ),
+          Positioned(
+            bottom: 64 + bottomPadding - 28,
+            left: 0,
+            right: 0,
+            child: Center(
+              child: _SearchFab(
+                onTap: () => context.push('/global-search'),
+                theme: theme,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _NavItem extends StatelessWidget {
+  final _BottomDestination destination;
+  final bool selected;
+  final VoidCallback onTap;
+  final ThemeData theme;
+  final AppTokens tokens;
+
+  const _NavItem({
+    required this.destination,
+    required this.selected,
+    required this.onTap,
+    required this.theme,
+    required this.tokens,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final color = selected ? theme.colorScheme.primary : tokens.mutedForeground;
+    return GestureDetector(
+      behavior: HitTestBehavior.opaque,
+      onTap: onTap,
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Icon(
+            selected ? destination.selectedIcon : destination.icon,
+            size: 24,
+            color: color,
+          ),
+          const SizedBox(height: 4),
+          Text(
+            destination.label,
+            style: TextStyle(
+              fontSize: 10,
+              fontWeight: selected ? FontWeight.w600 : FontWeight.w400,
+              color: color,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _SearchFab extends StatelessWidget {
+  final VoidCallback onTap;
+  final ThemeData theme;
+
+  const _SearchFab({required this.onTap, required this.theme});
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: onTap,
+      child: Container(
+        width: 56,
+        height: 56,
+        decoration: BoxDecoration(
+          shape: BoxShape.circle,
+          color: theme.colorScheme.onSurface,
+          boxShadow: [
+            BoxShadow(
+              color: theme.colorScheme.onSurface.withValues(alpha: 0.25),
+              blurRadius: 12,
+              offset: const Offset(0, 4),
+            ),
+          ],
+        ),
+        child: Icon(
+          Icons.search_rounded,
+          size: 26,
+          color: theme.colorScheme.surface,
+        ),
+      ),
+    );
+  }
+}
+
+class _BottomDestination {
+  final int branchIndex;
+  final IconData icon;
+  final IconData selectedIcon;
+  final String label;
+
+  const _BottomDestination({
+    required this.branchIndex,
+    required this.icon,
+    required this.selectedIcon,
+    required this.label,
+  });
+}