Merge pull request #66 from petro-i/reverese-duration

added reverse animation duration and implicit parameter for animation
boyan01 · Apr 13, 2021 · df0ed0b · df0ed0b
2 parents dcde2f0 + dee4823
commit df0ed0b
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Showing 2 changed files with 14 additions and 6 deletions.
diff --git a/lib/src/overlay.dart b/lib/src/overlay.dart
@@ -1,18 +1,15 @@
 import 'dart:async';
-import 'dart:collection';
 
 import 'package:async/async.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
 import 'package:overlay_support/overlay_support.dart';
-import 'package:overlay_support/src/theme.dart';
 
 import 'overlay_keys.dart';
 import 'overlay_state_finder.dart';
 
 part 'overlay_animation.dart';
-
 part 'overlay_entry.dart';
 
 /// To build a widget with animated value.
@@ -56,6 +53,8 @@ OverlaySupportEntry showOverlay(
   Duration? duration,
   Key? key,
   BuildContext? context,
+  Duration? animationDuration,
+  Duration? reverseAnimationDuration,
 }) {
   assert(key is! GlobalKey);
 
@@ -90,7 +89,8 @@ OverlaySupportEntry showOverlay(
         key: stateKey,
         builder: builder,
         curve: curve,
-        animationDuration: kNotificationSlideDuration,
+        animationDuration: animationDuration ?? kNotificationSlideDuration,
+        reverseAnimationDuration: reverseAnimationDuration ?? kNotificationSlideDuration,
         duration: duration ?? kNotificationDuration,
         overlayKey: overlayKey,
         overlaySupportState: overlaySupport,

diff --git a/lib/src/overlay_animation.dart b/lib/src/overlay_animation.dart
@@ -5,9 +5,12 @@ class _AnimatedOverlay extends StatefulWidget {
   /// [Duration.zero] means overlay display forever.
   final Duration duration;
 
-  /// The duration overlay show/hide's animation.
+  /// The duration overlay show animation.
   final Duration animationDuration;
 
+  /// The duration overlay hide animation.
+  final Duration reverseAnimationDuration;
+
   final AnimatedOverlayWidgetBuilder builder;
 
   final Curve curve;
@@ -19,13 +22,15 @@ class _AnimatedOverlay extends StatefulWidget {
   _AnimatedOverlay({
     required Key key,
     required this.animationDuration,
+    required this.reverseAnimationDuration,
     Curve? curve,
     required this.builder,
     required this.duration,
     required this.overlayKey,
     required this.overlaySupportState,
   })   : curve = curve ?? Curves.easeInOut,
         assert(animationDuration >= Duration.zero),
+        assert(reverseAnimationDuration >= Duration.zero),
         assert(duration >= Duration.zero),
         super(key: key);
 
@@ -57,7 +62,10 @@ class _AnimatedOverlayState extends State<_AnimatedOverlay> with TickerProviderS
   @override
   void initState() {
     _controller = AnimationController(
-        vsync: this, duration: widget.animationDuration, debugLabel: 'AnimatedOverlayShowHideAnimation');
+        vsync: this,
+        duration: widget.animationDuration,
+        reverseDuration: widget.reverseAnimationDuration,
+        debugLabel: 'AnimatedOverlayShowHideAnimation');
     super.initState();
     final overlayEntry = widget.overlaySupportState.getEntry(key: widget.overlayKey);
     _controller.addStatusListener((status) {