Initial commit

2026-07-14 11:11:36 +08:00
commit 656499cf94
604 changed files with 119518 additions and 0 deletions
@@ -0,0 +1,232 @@
+import 'dart:ui' show ImageFilter;
+
+import 'package:flutter/material.dart';
+
+import '../../../shared/widgets/smart_image.dart';
+import '../widgets/detail_nav_bar.dart';
+import 'android_detail_banner.dart';
+import 'android_detail_colors.dart';
+import 'android_detail_geometry.dart';
+
+
+class AndroidDetailLayout extends StatelessWidget {
+  const AndroidDetailLayout({
+    super.key,
+    required this.scrollController,
+    required this.scrollProgress,
+    this.backdropUrl,
+    this.fallbackUrls = const [],
+
+    this.embyBaseUrl = '',
+    this.imageHeaders,
+    this.backgroundColor,
+    this.navigationColor,
+    required this.title,
+    required this.onBack,
+    required this.heroInfo,
+    this.heroActions,
+    this.overview,
+    this.belowOverview,
+    this.sections = const [],
+  });
+
+  final ScrollController scrollController;
+  final ValueNotifier<double> scrollProgress;
+
+  final String? backdropUrl;
+  final List<String> fallbackUrls;
+
+  final String embyBaseUrl;
+  final Map<String, String>? imageHeaders;
+  final Color? backgroundColor;
+  final Color? navigationColor;
+
+  final String title;
+  final VoidCallback onBack;
+
+  final Widget heroInfo;
+  final Widget? heroActions;
+  final Widget? overview;
+
+
+  final Widget? belowOverview;
+
+
+  final List<Widget> sections;
+
+  @override
+  Widget build(BuildContext context) {
+    final topInset = MediaQuery.paddingOf(context).top;
+    final bannerHeight = computeAndroidDetailBannerHeight(context);
+    final backdrop =
+        backdropUrl ?? (fallbackUrls.isNotEmpty ? fallbackUrls.first : null);
+    final effectiveFallbackUrls = backdropUrl != null
+        ? fallbackUrls
+        : fallbackUrls.skip(1).toList(growable: false);
+
+    final targetBackgroundColor =
+        backgroundColor ?? AndroidDetailColors.background;
+    final animationDuration = MediaQuery.disableAnimationsOf(context)
+        ? Duration.zero
+        : const Duration(milliseconds: 350);
+
+    return TweenAnimationBuilder<Color?>(
+      tween: ColorTween(
+        begin: AndroidDetailColors.background,
+        end: targetBackgroundColor,
+      ),
+      duration: animationDuration,
+      curve: Curves.easeOutCubic,
+      builder: (context, animatedBackgroundColor, child) {
+        final effectiveBackgroundColor =
+            animatedBackgroundColor ?? targetBackgroundColor;
+
+        return Scaffold(
+          backgroundColor: effectiveBackgroundColor,
+          body: Stack(
+            children: [
+              Positioned.fill(
+                child: _AndroidDetailBlurredBackdrop(
+                  imageUrl: backdrop,
+                  fallbackUrls: effectiveFallbackUrls,
+                  embyBaseUrl: embyBaseUrl,
+                  imageHeaders: imageHeaders,
+                ),
+              ),
+              CustomScrollView(
+                controller: scrollController,
+                physics: const BouncingScrollPhysics(
+                  parent: AlwaysScrollableScrollPhysics(),
+                ),
+                slivers: [
+                  if (backdrop != null)
+                    SliverAppBar(
+                      automaticallyImplyLeading: false,
+                      primary: false,
+                      pinned: false,
+                      stretch: true,
+                      toolbarHeight: 0,
+                      collapsedHeight: 0,
+                      expandedHeight: bannerHeight,
+                      backgroundColor: Colors.transparent,
+                      surfaceTintColor: Colors.transparent,
+                      flexibleSpace: FlexibleSpaceBar(
+                        collapseMode: CollapseMode.parallax,
+                        stretchModes: const [StretchMode.zoomBackground],
+                        background: AndroidDetailBanner(
+                          scrollProgress: scrollProgress,
+                          backdropUrl: backdrop,
+                          fallbackUrls: effectiveFallbackUrls,
+                          embyBaseUrl: embyBaseUrl,
+                          imageHeaders: imageHeaders,
+                        ),
+                      ),
+                    )
+                  else
+                    SliverToBoxAdapter(child: SizedBox(height: topInset + 72)),
+                  SliverToBoxAdapter(child: heroInfo),
+                  if (heroActions != null)
+                    SliverToBoxAdapter(child: heroActions!),
+                  if (overview != null) SliverToBoxAdapter(child: overview!),
+                  if (belowOverview != null)
+                    SliverToBoxAdapter(child: belowOverview!),
+                  SliverList.list(
+                    children: [
+                      ...sections,
+                      SizedBox(
+                        height: 32 + MediaQuery.paddingOf(context).bottom,
+                      ),
+                    ],
+                  ),
+                ],
+              ),
+              DetailNavBar(
+                scrollProgress: scrollProgress,
+                title: title,
+                onBack: onBack,
+                chromeColor: navigationColor ?? AndroidDetailColors.navBarBg,
+              ),
+            ],
+          ),
+        );
+      },
+    );
+  }
+}
+
+
+class _AndroidDetailBlurredBackdrop extends StatelessWidget {
+  const _AndroidDetailBlurredBackdrop({
+    required this.imageUrl,
+    required this.fallbackUrls,
+    required this.embyBaseUrl,
+    required this.imageHeaders,
+  });
+
+  final String? imageUrl;
+  final List<String> fallbackUrls;
+  final String embyBaseUrl;
+  final Map<String, String>? imageHeaders;
+
+  static const double _blurSigma = 32;
+
+
+  static const LinearGradient _scrim = LinearGradient(
+    begin: Alignment.topCenter,
+    end: Alignment.bottomCenter,
+    stops: [0.0, 0.4, 1.0],
+    colors: [Color(0x59000000), Color(0x8C000000), Color(0xD9000000)],
+  );
+
+  @override
+  Widget build(BuildContext context) {
+    final url = imageUrl;
+
+    final Widget child;
+    if (url == null) {
+      child = const SizedBox.expand(key: ValueKey<String>('__no_backdrop__'));
+    } else {
+      child = RepaintBoundary(
+        key: ValueKey<String>(url),
+        child: Stack(
+          fit: StackFit.expand,
+          children: [
+            ImageFiltered(
+              imageFilter: ImageFilter.blur(
+                sigmaX: _blurSigma,
+                sigmaY: _blurSigma,
+                tileMode: TileMode.clamp,
+              ),
+              child: SmartImage(
+                url: url,
+                fallbackUrls: fallbackUrls,
+                fit: BoxFit.cover,
+                borderRadius: 0,
+                memCacheWidth: 400,
+                fallbackIcon: null,
+                placeholder: const SizedBox.expand(),
+                resolveHttpHeaders: (candidateUrl) =>
+                    embyBaseUrl.isNotEmpty &&
+                        candidateUrl.startsWith(embyBaseUrl)
+                    ? imageHeaders
+                    : null,
+              ),
+            ),
+            const DecoratedBox(decoration: BoxDecoration(gradient: _scrim)),
+          ],
+        ),
+      );
+    }
+
+    return AnimatedSwitcher(
+      duration: const Duration(milliseconds: 350),
+      switchInCurve: Curves.easeOut,
+      switchOutCurve: Curves.easeOut,
+      layoutBuilder: (currentChild, previousChildren) => Stack(
+        fit: StackFit.expand,
+        children: [...previousChildren, if (currentChild != null) currentChild],
+      ),
+      child: child,
+    );
+  }
+}