Initial commit

2026-07-14 11:11:36 +08:00
commit 656499cf94
604 changed files with 119518 additions and 0 deletions
@@ -0,0 +1,83 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+class PageTransitions {
+  PageTransitions._();
+
+  static const Duration detailForward = Duration(milliseconds: 280);
+  static const Duration detailReverse = Duration(milliseconds: 220);
+  static const Duration shellFade = Duration(milliseconds: 200);
+
+  static Duration get playerForward =>
+      defaultTargetPlatform == TargetPlatform.android
+      ? Duration.zero
+      : detailForward;
+
+  static Duration get playerReverse =>
+      defaultTargetPlatform == TargetPlatform.android
+      ? Duration.zero
+      : detailReverse;
+
+
+  static Widget fade(
+    BuildContext context,
+    Animation<double> animation,
+    Animation<double> secondaryAnimation,
+    Widget child,
+  ) => FadeTransition(opacity: animation, child: child);
+
+
+  static Widget slideRight(
+    BuildContext context,
+    Animation<double> animation,
+    Animation<double> secondaryAnimation,
+    Widget child,
+  ) {
+    final offset = Tween<Offset>(begin: const Offset(0.05, 0), end: Offset.zero)
+        .animate(
+          CurvedAnimation(
+            parent: animation,
+            curve: Curves.easeOut,
+            reverseCurve: Curves.easeIn,
+          ),
+        );
+    return SlideTransition(
+      position: offset,
+      child: FadeTransition(opacity: animation, child: child),
+    );
+  }
+
+
+  static Widget slideRightFull(
+    BuildContext context,
+    Animation<double> animation,
+    Animation<double> secondaryAnimation,
+    Widget child,
+  ) {
+    final offset = Tween<Offset>(begin: const Offset(1, 0), end: Offset.zero)
+        .animate(
+          CurvedAnimation(
+            parent: animation,
+            curve: Curves.easeOutCubic,
+            reverseCurve: Curves.easeInCubic,
+          ),
+        );
+    return SlideTransition(
+      position: offset,
+
+
+      child: ClipRect(child: RepaintBoundary(child: child)),
+    );
+  }
+
+
+  static Widget player(
+    BuildContext context,
+    Animation<double> animation,
+    Animation<double> secondaryAnimation,
+    Widget child,
+  ) {
+    if (defaultTargetPlatform == TargetPlatform.android) return child;
+    return slideRightFull(context, animation, secondaryAnimation, child);
+  }
+}