From 05917e08cc0f1cbfed1dcc87f5cab1147f255229 Mon Sep 17 00:00:00 2001
From: Thibault Deckers <thibault.deckers@gmail.com>
Date: Sun, 2 Aug 2020 18:05:49 +0900
Subject: [PATCH] filter bar: apply curve to removal animation

---
 lib/utils/durations.dart          | 2 +-
 lib/widgets/album/filter_bar.dart | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/lib/utils/durations.dart b/lib/utils/durations.dart
index b397a0c2d..3bb1e1a4d 100644
--- a/lib/utils/durations.dart
+++ b/lib/utils/durations.dart
@@ -11,7 +11,7 @@ class Durations {
 
   // collection animations
   static const appBarTitleAnimation = Duration(milliseconds: 300);
-  static const filterBarRemovalAnimation = Duration(milliseconds: 200);
+  static const filterBarRemovalAnimation = Duration(milliseconds: 400);
   static const collectionOpOverlayAnimation = Duration(milliseconds: 300);
   static const collectionScalingBackgroundAnimation = Duration(milliseconds: 200);
   static const sectionHeaderAnimation = Duration(milliseconds: 200);
diff --git a/lib/widgets/album/filter_bar.dart b/lib/widgets/album/filter_bar.dart
index 53417a632..cfe71641c 100644
--- a/lib/widgets/album/filter_bar.dart
+++ b/lib/widgets/album/filter_bar.dart
@@ -45,7 +45,9 @@ class _FilterBarState extends State<FilterBar> {
       listState.removeItem(
         index,
         animate
-            ? (context, animation) => FadeTransition(
+            ? (context, animation) {
+                animation = animation.drive(CurveTween(curve: Curves.easeInOutBack));
+                return FadeTransition(
                   opacity: animation,
                   child: SizeTransition(
                     axis: Axis.horizontal,
@@ -55,7 +57,8 @@ class _FilterBarState extends State<FilterBar> {
                       child: _buildChip(filter),
                     ),
                   ),
-                )
+                );
+              }
             : (context, animation) => _buildChip(filter),
         duration: animate ? Durations.filterBarRemovalAnimation : Duration.zero,
       );