Initial commit

2026-07-14 11:11:36 +08:00
commit 656499cf94
604 changed files with 119518 additions and 0 deletions
@@ -0,0 +1,153 @@
+import 'dart:io' show Platform;
+import 'dart:ui' show ImageFilter;
+
+import 'package:flutter/material.dart';
+
+import 'detail_backdrop.dart';
+
+
+class DetailImmersiveScaffold extends StatelessWidget {
+  final ScrollController scrollController;
+  final ValueNotifier<double> scrollProgress;
+  final String? backdropUrl;
+  final List<String> fallbackUrls;
+  final String embyBaseUrl;
+  final Map<String, String>? imageHeaders;
+  final Widget child;
+  final bool compact;
+  final double horizontalPadding;
+
+  const DetailImmersiveScaffold({
+    super.key,
+    required this.scrollController,
+    required this.scrollProgress,
+    required this.child,
+    this.backdropUrl,
+    this.fallbackUrls = const <String>[],
+    this.embyBaseUrl = '',
+    this.imageHeaders,
+    this.compact = false,
+    this.horizontalPadding = 32,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final screenSize = MediaQuery.sizeOf(context);
+    final screenHeight = screenSize.height;
+    final screenWidth = screenSize.width;
+    final bannerHeight = compact
+        ? screenHeight * 0.30
+        : (screenWidth * 9.0 / 16.0).clamp(280.0, screenHeight * 0.6);
+    final backdrop = backdropUrl;
+
+    return Stack(
+      children: [
+        if (backdrop != null)
+          DetailBackdrop(
+            scrollProgress: scrollProgress,
+            backdropUrl: backdrop,
+            fallbackUrls: fallbackUrls,
+            embyBaseUrl: embyBaseUrl,
+            imageHeaders: imageHeaders,
+          ),
+        SingleChildScrollView(
+          controller: scrollController,
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              SizedBox(height: bannerHeight - 80),
+              Stack(
+                children: [
+                  Positioned.fill(child: _FrostedPanelVeil()),
+                  Padding(
+                    padding: EdgeInsets.fromLTRB(
+                      horizontalPadding,
+                      64,
+                      horizontalPadding,
+                      48,
+                    ),
+                    child: Align(
+                      alignment: Alignment.topCenter,
+                      child: ConstrainedBox(
+                        constraints: const BoxConstraints(maxWidth: 1200),
+                        child: child,
+                      ),
+                    ),
+                  ),
+                ],
+              ),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+class _FrostedPanelVeil extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    if (Platform.isAndroid) {
+      return IgnorePointer(
+        child: ShaderMask(
+          shaderCallback: (rect) {
+            final ratio = (140.0 / rect.height).clamp(0.02, 0.5);
+            return LinearGradient(
+              begin: Alignment.topCenter,
+              end: Alignment.bottomCenter,
+              colors: const [Colors.transparent, Colors.black],
+              stops: [0.0, ratio],
+            ).createShader(rect);
+          },
+          blendMode: BlendMode.dstIn,
+          child: DecoratedBox(
+            decoration: BoxDecoration(
+              gradient: LinearGradient(
+                begin: Alignment.topCenter,
+                end: Alignment.bottomCenter,
+                stops: const [0.0, 0.12, 1.0],
+                colors: [
+                  const Color(0xFF0a0c10).withValues(alpha: 0.0),
+                  const Color(0xFF0a0c10).withValues(alpha: 0.88),
+                  const Color(0xFF0a0c10).withValues(alpha: 0.96),
+                ],
+              ),
+            ),
+          ),
+        ),
+      );
+    }
+
+    return IgnorePointer(
+      child: ShaderMask(
+        shaderCallback: (rect) {
+          final ratio = (140.0 / rect.height).clamp(0.02, 0.5);
+          return LinearGradient(
+            begin: Alignment.topCenter,
+            end: Alignment.bottomCenter,
+            colors: const [Colors.transparent, Colors.black],
+            stops: [0.0, ratio],
+          ).createShader(rect);
+        },
+        blendMode: BlendMode.dstIn,
+        child: BackdropFilter(
+          filter: ImageFilter.blur(sigmaX: 40, sigmaY: 40),
+          child: DecoratedBox(
+            decoration: BoxDecoration(
+              gradient: LinearGradient(
+                begin: Alignment.topCenter,
+                end: Alignment.bottomCenter,
+                stops: const [0.0, 0.20, 1.0],
+                colors: [
+                  const Color(0xFF0a0c10).withValues(alpha: 0.0),
+                  const Color(0xFF0a0c10).withValues(alpha: 0.12),
+                  const Color(0xFF0a0c10).withValues(alpha: 0.20),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}