mirror of
https://github.com/flutter/packages.git
synced 2025-06-29 14:18:54 +08:00
Introduce and migrate to DualTransitionBuilder (#160)
This commit is contained in:
Michael Goderbauer
committed by
GitHub
GitHub
parent
5ca63a2879
commit
3d34e64da4
49
packages/animations/.gitignore
vendored
49
packages/animations/.gitignore
vendored
@ -22,52 +22,23 @@
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# Flutter/Dart/Pub related
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# Flutter/Dart/Pub related
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**/doc/api/
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**/doc/api/
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||||||
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**/ios/Flutter/.last_build_id
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.dart_tool/
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.dart_tool/
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.flutter-plugins
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.flutter-plugins
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.flutter-plugins-dependencies
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||||||
.packages
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.packages
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.pub-cache/
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.pub-cache/
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.pub/
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.pub/
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||||||
build/
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/build/
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||||||
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||||||
# Android related
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# Web related
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||||||
**/android/**/gradle-wrapper.jar
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lib/generated_plugin_registrant.dart
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**/android/.gradle
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**/android/captures/
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**/android/gradlew
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**/android/gradlew.bat
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**/android/local.properties
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||||||
**/android/**/GeneratedPluginRegistrant.java
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# iOS/XCode related
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# Symbolication related
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||||||
**/ios/**/*.mode1v3
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app.*.symbols
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**/ios/**/*.mode2v3
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**/ios/**/*.moved-aside
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# Obfuscation related
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||||||
**/ios/**/*.pbxuser
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app.*.map.json
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**/ios/**/*.perspectivev3
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**/ios/**/*sync/
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**/ios/**/.sconsign.dblite
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**/ios/**/.tags*
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**/ios/**/.vagrant/
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**/ios/**/DerivedData/
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||||||
**/ios/**/Icon?
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**/ios/**/Pods/
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||||||
**/ios/**/.symlinks/
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||||||
**/ios/**/profile
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||||||
**/ios/**/xcuserdata
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||||||
**/ios/.generated/
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||||||
**/ios/Flutter/App.framework
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||||||
**/ios/Flutter/Flutter.framework
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||||||
**/ios/Flutter/Generated.xcconfig
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||||||
**/ios/Flutter/app.flx
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||||||
**/ios/Flutter/app.zip
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||||||
**/ios/Flutter/flutter_assets/
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||||||
**/ios/Flutter/flutter_export_environment.sh
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**/ios/ServiceDefinitions.json
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||||||
**/ios/Runner/GeneratedPluginRegistrant.*
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||||||
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||||||
# Exceptions to above rules.
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# Exceptions to above rules.
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||||||
!**/ios/**/default.mode1v3
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!**/ios/**/default.mode2v3
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!**/ios/**/default.pbxuser
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!**/ios/**/default.perspectivev3
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!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
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!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
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@ -9,11 +9,7 @@
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|||||||
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|
||||||
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|
||||||
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||||||
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|
||||||
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||||||
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||||||
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||||||
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@ -26,8 +22,6 @@
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||||||
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||||||
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name = "Embed Frameworks";
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||||||
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@ -38,13 +32,11 @@
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||||||
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||||||
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|
||||||
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|
||||||
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||||||
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97C146FB1CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
|
||||||
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||||||
@ -57,8 +49,6 @@
|
|||||||
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@ -68,9 +58,7 @@
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@ -201,7 +189,7 @@
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@ -253,7 +241,6 @@
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||||||
@ -309,6 +296,7 @@
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|
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|
||||||
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||||||
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||||||
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||||||
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@ -330,7 +318,6 @@
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@ -386,7 +373,6 @@
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@ -443,6 +429,7 @@
|
|||||||
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@ -470,6 +457,7 @@
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|
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|
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|
||||||
200
packages/animations/lib/src/dual_transition_builder.dart
Normal file
200
packages/animations/lib/src/dual_transition_builder.dart
Normal file
@ -0,0 +1,200 @@
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// Copyright 2020 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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|
// found in the LICENSE file.
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|
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import 'package:flutter/widgets.dart';
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/// Builder callback used by [DualTransitionBuilder].
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///
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/// The builder is expected to return a transition powered by the provided
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/// `animation` and wrapping the provided `child`.
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///
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/// The `animation` provided to the builder always runs forward from 0.0 to 1.0.
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typedef TransitionBuilder = Widget Function(
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BuildContext context,
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Animation<double> animation,
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Widget child,
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);
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/// A transition builder that animates its [child] based on the
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/// [AnimationStatus] of the provided [animation].
|
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|
///
|
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|
/// This widget can be used to specify different enter and exit transitions for
|
||||||
|
/// a [child].
|
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|
///
|
||||||
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/// While the [animation] runs forward, the [child] is animated according to
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/// [forwardBuilder] and while the [animation] is running in reverse, it is
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/// animated according to [reverseBuilder].
|
||||||
|
///
|
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/// Using this builder allows the widget tree to maintain its shape by nesting
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/// the enter and exit transitions. This ensures that no state information of
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/// any descendant widget is lost when the transition starts or completes.
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class DualTransitionBuilder extends StatefulWidget {
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||||||
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/// Creates a [DualTransitionBuilder].
|
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///
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/// The [animation], [forwardBuilder], and [reverseBuilder] arguments are
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/// required and must not be null.
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||||||
|
const DualTransitionBuilder({
|
||||||
|
Key key,
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||||||
|
@required this.animation,
|
||||||
|
@required this.forwardBuilder,
|
||||||
|
@required this.reverseBuilder,
|
||||||
|
this.child,
|
||||||
|
}) : assert(animation != null),
|
||||||
|
assert(forwardBuilder != null),
|
||||||
|
assert(reverseBuilder != null),
|
||||||
|
super(key: key);
|
||||||
|
|
||||||
|
/// The animation that drives the [child]'s transition.
|
||||||
|
///
|
||||||
|
/// When this animation runs forward, the [child] transitions as specified by
|
||||||
|
/// [forwardBuilder]. When it runs in reverse, the child transitions according
|
||||||
|
/// to [reverseBuilder].
|
||||||
|
final Animation<double> animation;
|
||||||
|
|
||||||
|
/// A builder for the transition that makes [child] appear on screen.
|
||||||
|
///
|
||||||
|
/// The [child] should be fully visible when the provided `animation` reaches
|
||||||
|
/// 1.0.
|
||||||
|
///
|
||||||
|
/// The `animation` provided to this builder is running forward from 0.0 to
|
||||||
|
/// 1.0 when [animation] runs _forward_. When [animation] runs in reverse,
|
||||||
|
/// the given `animation` is set to [kAlwaysCompleteAnimation].
|
||||||
|
///
|
||||||
|
/// See also:
|
||||||
|
///
|
||||||
|
/// * [reverseBuilder], which builds the transition for making the [child]
|
||||||
|
/// disappear from the screen.
|
||||||
|
final TransitionBuilder forwardBuilder;
|
||||||
|
|
||||||
|
/// A builder for a transition that makes [child] disappear from the screen.
|
||||||
|
///
|
||||||
|
/// The [child] should be fully invisible when the provided `animation`
|
||||||
|
/// reaches 1.0.
|
||||||
|
///
|
||||||
|
/// The `animation` provided to this builder is running forward from 0.0 to
|
||||||
|
/// 1.0 when [animation] runs in _reverse_. When [animation] runs forward,
|
||||||
|
/// the given `animation` is set to [kAlwaysDismissedAnimation].
|
||||||
|
///
|
||||||
|
/// See also:
|
||||||
|
///
|
||||||
|
/// * [forwardBuilder], which builds the transition for making the [child]
|
||||||
|
/// appear on screen.
|
||||||
|
final TransitionBuilder reverseBuilder;
|
||||||
|
|
||||||
|
/// The widget below this [DualTransitionBuilder] in the tree.
|
||||||
|
///
|
||||||
|
/// This child widget will be wrapped by the transitions built by
|
||||||
|
/// [forwardBuilder] and [reverseBuilder].
|
||||||
|
final Widget child;
|
||||||
|
|
||||||
|
@override
|
||||||
|
State<DualTransitionBuilder> createState() => _DualTransitionBuilderState();
|
||||||
|
}
|
||||||
|
|
||||||
|
class _DualTransitionBuilderState extends State<DualTransitionBuilder> {
|
||||||
|
AnimationStatus _effectiveAnimationStatus;
|
||||||
|
final ProxyAnimation _forwardAnimation = ProxyAnimation();
|
||||||
|
final ProxyAnimation _reverseAnimation = ProxyAnimation();
|
||||||
|
|
||||||
|
@override
|
||||||
|
void initState() {
|
||||||
|
super.initState();
|
||||||
|
_effectiveAnimationStatus = widget.animation.status;
|
||||||
|
widget.animation.addStatusListener(_animationListener);
|
||||||
|
_updateAnimations();
|
||||||
|
}
|
||||||
|
|
||||||
|
void _animationListener(AnimationStatus animationStatus) {
|
||||||
|
final AnimationStatus oldEffective = _effectiveAnimationStatus;
|
||||||
|
_effectiveAnimationStatus = _calculateEffectiveAnimationStatus(
|
||||||
|
lastEffective: _effectiveAnimationStatus,
|
||||||
|
current: animationStatus,
|
||||||
|
);
|
||||||
|
if (oldEffective != _effectiveAnimationStatus) {
|
||||||
|
_updateAnimations();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@override
|
||||||
|
void didUpdateWidget(DualTransitionBuilder oldWidget) {
|
||||||
|
super.didUpdateWidget(oldWidget);
|
||||||
|
if (oldWidget.animation != widget.animation) {
|
||||||
|
oldWidget.animation.removeStatusListener(_animationListener);
|
||||||
|
widget.animation.addStatusListener(_animationListener);
|
||||||
|
_animationListener(widget.animation.status);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// When a transition is interrupted midway we just want to play the ongoing
|
||||||
|
// animation in reverse. Switching to the actual reverse transition would
|
||||||
|
// yield a disjoint experience since the forward and reverse transitions are
|
||||||
|
// very different.
|
||||||
|
AnimationStatus _calculateEffectiveAnimationStatus({
|
||||||
|
@required AnimationStatus lastEffective,
|
||||||
|
@required AnimationStatus current,
|
||||||
|
}) {
|
||||||
|
assert(current != null);
|
||||||
|
assert(lastEffective != null);
|
||||||
|
switch (current) {
|
||||||
|
case AnimationStatus.dismissed:
|
||||||
|
case AnimationStatus.completed:
|
||||||
|
return current;
|
||||||
|
case AnimationStatus.forward:
|
||||||
|
switch (lastEffective) {
|
||||||
|
case AnimationStatus.dismissed:
|
||||||
|
case AnimationStatus.completed:
|
||||||
|
case AnimationStatus.forward:
|
||||||
|
return current;
|
||||||
|
case AnimationStatus.reverse:
|
||||||
|
return lastEffective;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case AnimationStatus.reverse:
|
||||||
|
switch (lastEffective) {
|
||||||
|
case AnimationStatus.dismissed:
|
||||||
|
case AnimationStatus.completed:
|
||||||
|
case AnimationStatus.reverse:
|
||||||
|
return current;
|
||||||
|
case AnimationStatus.forward:
|
||||||
|
return lastEffective;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
return null; // unreachable
|
||||||
|
}
|
||||||
|
|
||||||
|
void _updateAnimations() {
|
||||||
|
switch (_effectiveAnimationStatus) {
|
||||||
|
case AnimationStatus.dismissed:
|
||||||
|
case AnimationStatus.forward:
|
||||||
|
_forwardAnimation.parent = widget.animation;
|
||||||
|
_reverseAnimation.parent = kAlwaysDismissedAnimation;
|
||||||
|
break;
|
||||||
|
case AnimationStatus.reverse:
|
||||||
|
case AnimationStatus.completed:
|
||||||
|
_forwardAnimation.parent = kAlwaysCompleteAnimation;
|
||||||
|
_reverseAnimation.parent = ReverseAnimation(widget.animation);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@override
|
||||||
|
void dispose() {
|
||||||
|
widget.animation.removeStatusListener(_animationListener);
|
||||||
|
super.dispose();
|
||||||
|
}
|
||||||
|
|
||||||
|
@override
|
||||||
|
Widget build(BuildContext context) {
|
||||||
|
return widget.forwardBuilder(
|
||||||
|
context,
|
||||||
|
_forwardAnimation,
|
||||||
|
widget.reverseBuilder(
|
||||||
|
context,
|
||||||
|
_reverseAnimation,
|
||||||
|
widget.child,
|
||||||
|
),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -4,6 +4,7 @@
|
|||||||
|
|
||||||
import 'package:flutter/material.dart';
|
import 'package:flutter/material.dart';
|
||||||
|
|
||||||
|
import 'dual_transition_builder.dart';
|
||||||
import 'modal.dart';
|
import 'modal.dart';
|
||||||
import 'utils/curves.dart';
|
import 'utils/curves.dart';
|
||||||
|
|
||||||
@ -102,7 +103,7 @@ class FadeScaleTransitionConfiguration extends ModalConfiguration {
|
|||||||
///
|
///
|
||||||
/// This widget is not to be confused with Flutter's [FadeTransition] widget,
|
/// This widget is not to be confused with Flutter's [FadeTransition] widget,
|
||||||
/// which animates only the opacity of its child widget.
|
/// which animates only the opacity of its child widget.
|
||||||
class FadeScaleTransition extends StatefulWidget {
|
class FadeScaleTransition extends StatelessWidget {
|
||||||
/// Creates a widget that implements the Material fade transition.
|
/// Creates a widget that implements the Material fade transition.
|
||||||
///
|
///
|
||||||
/// The fade pattern is used for UI elements that enter or exit from within
|
/// The fade pattern is used for UI elements that enter or exit from within
|
||||||
@ -136,143 +137,46 @@ class FadeScaleTransition extends StatefulWidget {
|
|||||||
/// [secondaryAnimation].
|
/// [secondaryAnimation].
|
||||||
final Widget child;
|
final Widget child;
|
||||||
|
|
||||||
@override
|
static final Animatable<double> _fadeInTransition = CurveTween(
|
||||||
_FadeScaleTransitionState createState() => _FadeScaleTransitionState();
|
|
||||||
}
|
|
||||||
|
|
||||||
class _FadeScaleTransitionState extends State<FadeScaleTransition> {
|
|
||||||
AnimationStatus _effectiveAnimationStatus;
|
|
||||||
|
|
||||||
@override
|
|
||||||
void initState() {
|
|
||||||
super.initState();
|
|
||||||
_effectiveAnimationStatus = widget.animation.status;
|
|
||||||
widget.animation.addStatusListener(_animationListener);
|
|
||||||
}
|
|
||||||
|
|
||||||
void _animationListener(AnimationStatus animationStatus) {
|
|
||||||
_effectiveAnimationStatus = _calculateEffectiveAnimationStatus(
|
|
||||||
lastEffective: _effectiveAnimationStatus,
|
|
||||||
current: animationStatus,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
// When a transition is interrupted midway we just want to play the ongoing
|
|
||||||
// animation in reverse. Switching to the actual reverse transition would
|
|
||||||
// yield a disjoint experience since the forward and reverse transitions are
|
|
||||||
// very different.
|
|
||||||
AnimationStatus _calculateEffectiveAnimationStatus({
|
|
||||||
@required AnimationStatus lastEffective,
|
|
||||||
@required AnimationStatus current,
|
|
||||||
}) {
|
|
||||||
assert(current != null);
|
|
||||||
assert(lastEffective != null);
|
|
||||||
switch (current) {
|
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
return current;
|
|
||||||
case AnimationStatus.forward:
|
|
||||||
switch (lastEffective) {
|
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
case AnimationStatus.forward:
|
|
||||||
return current;
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
return lastEffective;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
switch (lastEffective) {
|
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
return current;
|
|
||||||
case AnimationStatus.forward:
|
|
||||||
return lastEffective;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
return null; // unreachable
|
|
||||||
}
|
|
||||||
|
|
||||||
void _updateAnimationListener(
|
|
||||||
Animation<double> oldAnimation,
|
|
||||||
Animation<double> animation,
|
|
||||||
) {
|
|
||||||
if (oldAnimation != animation) {
|
|
||||||
oldAnimation.removeStatusListener(_animationListener);
|
|
||||||
animation.addStatusListener(_animationListener);
|
|
||||||
_animationListener(animation.status);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@override
|
|
||||||
void didUpdateWidget(FadeScaleTransition oldWidget) {
|
|
||||||
super.didUpdateWidget(oldWidget);
|
|
||||||
_updateAnimationListener(
|
|
||||||
oldWidget.animation,
|
|
||||||
widget.animation,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
@override
|
|
||||||
void dispose() {
|
|
||||||
widget.animation.removeStatusListener(_animationListener);
|
|
||||||
super.dispose();
|
|
||||||
}
|
|
||||||
|
|
||||||
@override
|
|
||||||
Widget build(BuildContext context) {
|
|
||||||
return AnimatedBuilder(
|
|
||||||
animation: widget.animation,
|
|
||||||
builder: (BuildContext context, Widget child) {
|
|
||||||
assert(_effectiveAnimationStatus != null);
|
|
||||||
switch (_effectiveAnimationStatus) {
|
|
||||||
case AnimationStatus.forward:
|
|
||||||
return _EnterTransition(
|
|
||||||
animation: widget.animation,
|
|
||||||
child: child,
|
|
||||||
);
|
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
return FadeTransition(
|
|
||||||
opacity: widget.animation,
|
|
||||||
child: child,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
return null; // unreachable
|
|
||||||
},
|
|
||||||
child: widget.child,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
class _EnterTransition extends StatelessWidget {
|
|
||||||
const _EnterTransition({
|
|
||||||
this.animation,
|
|
||||||
this.child,
|
|
||||||
});
|
|
||||||
|
|
||||||
final Animation<double> animation;
|
|
||||||
final Widget child;
|
|
||||||
|
|
||||||
static Animatable<double> fadeInTransition = CurveTween(
|
|
||||||
curve: const Interval(0.0, 0.3),
|
curve: const Interval(0.0, 0.3),
|
||||||
);
|
);
|
||||||
static Animatable<double> scaleInTransition = Tween<double>(
|
static final Animatable<double> _scaleInTransition = Tween<double>(
|
||||||
begin: 0.80,
|
begin: 0.80,
|
||||||
end: 1.00,
|
end: 1.00,
|
||||||
).chain(CurveTween(curve: decelerateEasing));
|
).chain(CurveTween(curve: decelerateEasing));
|
||||||
|
static final Animatable<double> _fadeOutTransition = Tween<double>(
|
||||||
|
begin: 1.0,
|
||||||
|
end: 0.0,
|
||||||
|
);
|
||||||
|
|
||||||
@override
|
@override
|
||||||
Widget build(BuildContext context) {
|
Widget build(BuildContext context) {
|
||||||
|
return DualTransitionBuilder(
|
||||||
|
animation: animation,
|
||||||
|
forwardBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
return FadeTransition(
|
return FadeTransition(
|
||||||
opacity: fadeInTransition.animate(animation),
|
opacity: _fadeInTransition.animate(animation),
|
||||||
child: ScaleTransition(
|
child: ScaleTransition(
|
||||||
scale: scaleInTransition.animate(animation),
|
scale: _scaleInTransition.animate(animation),
|
||||||
child: child,
|
child: child,
|
||||||
),
|
),
|
||||||
);
|
);
|
||||||
|
},
|
||||||
|
reverseBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
|
return FadeTransition(
|
||||||
|
opacity: _fadeOutTransition.animate(animation),
|
||||||
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
child: child,
|
||||||
|
);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@ -4,6 +4,8 @@
|
|||||||
|
|
||||||
import 'package:flutter/material.dart';
|
import 'package:flutter/material.dart';
|
||||||
|
|
||||||
|
import 'dual_transition_builder.dart';
|
||||||
|
|
||||||
/// Used by [PageTransitionsTheme] to define a page route transition animation
|
/// Used by [PageTransitionsTheme] to define a page route transition animation
|
||||||
/// in which the outgoing page fades out, then the incoming page fades in and
|
/// in which the outgoing page fades out, then the incoming page fades in and
|
||||||
/// scale up.
|
/// scale up.
|
||||||
@ -60,7 +62,12 @@ import 'package:flutter/material.dart';
|
|||||||
/// ```
|
/// ```
|
||||||
class FadeThroughPageTransitionsBuilder extends PageTransitionsBuilder {
|
class FadeThroughPageTransitionsBuilder extends PageTransitionsBuilder {
|
||||||
/// Creates a [FadeThroughPageTransitionsBuilder].
|
/// Creates a [FadeThroughPageTransitionsBuilder].
|
||||||
const FadeThroughPageTransitionsBuilder();
|
const FadeThroughPageTransitionsBuilder({this.fillColor});
|
||||||
|
|
||||||
|
/// The color to use for the background color during the transition.
|
||||||
|
///
|
||||||
|
/// This defaults to the [Theme]'s [ThemeData.canvasColor].
|
||||||
|
final Color fillColor;
|
||||||
|
|
||||||
@override
|
@override
|
||||||
Widget buildTransitions<T>(
|
Widget buildTransitions<T>(
|
||||||
@ -73,6 +80,7 @@ class FadeThroughPageTransitionsBuilder extends PageTransitionsBuilder {
|
|||||||
return FadeThroughTransition(
|
return FadeThroughTransition(
|
||||||
animation: animation,
|
animation: animation,
|
||||||
secondaryAnimation: secondaryAnimation,
|
secondaryAnimation: secondaryAnimation,
|
||||||
|
fillColor: fillColor,
|
||||||
child: child,
|
child: child,
|
||||||
);
|
);
|
||||||
}
|
}
|
||||||
@ -150,7 +158,7 @@ class FadeThroughPageTransitionsBuilder extends PageTransitionsBuilder {
|
|||||||
/// );
|
/// );
|
||||||
/// }
|
/// }
|
||||||
/// ```
|
/// ```
|
||||||
class FadeThroughTransition extends StatefulWidget {
|
class FadeThroughTransition extends StatelessWidget {
|
||||||
/// Creates a [FadeThroughTransition].
|
/// Creates a [FadeThroughTransition].
|
||||||
///
|
///
|
||||||
/// The [animation] and [secondaryAnimation] argument are required and must
|
/// The [animation] and [secondaryAnimation] argument are required and must
|
||||||
@ -158,6 +166,7 @@ class FadeThroughTransition extends StatefulWidget {
|
|||||||
const FadeThroughTransition({
|
const FadeThroughTransition({
|
||||||
@required this.animation,
|
@required this.animation,
|
||||||
@required this.secondaryAnimation,
|
@required this.secondaryAnimation,
|
||||||
|
this.fillColor,
|
||||||
this.child,
|
this.child,
|
||||||
}) : assert(animation != null),
|
}) : assert(animation != null),
|
||||||
assert(secondaryAnimation != null);
|
assert(secondaryAnimation != null);
|
||||||
@ -179,6 +188,11 @@ class FadeThroughTransition extends StatefulWidget {
|
|||||||
// property when the [FadeThroughTransition] is used as a page transition.
|
// property when the [FadeThroughTransition] is used as a page transition.
|
||||||
final Animation<double> secondaryAnimation;
|
final Animation<double> secondaryAnimation;
|
||||||
|
|
||||||
|
/// The color to use for the background color during the transition.
|
||||||
|
///
|
||||||
|
/// This defaults to the [Theme]'s [ThemeData.canvasColor].
|
||||||
|
final Color fillColor;
|
||||||
|
|
||||||
/// The widget below this widget in the tree.
|
/// The widget below this widget in the tree.
|
||||||
///
|
///
|
||||||
/// This widget will transition in and out as driven by [animation] and
|
/// This widget will transition in and out as driven by [animation] and
|
||||||
@ -186,152 +200,52 @@ class FadeThroughTransition extends StatefulWidget {
|
|||||||
final Widget child;
|
final Widget child;
|
||||||
|
|
||||||
@override
|
@override
|
||||||
State<FadeThroughTransition> createState() => _FadeThroughTransitionState();
|
Widget build(BuildContext context) {
|
||||||
|
return _ZoomedFadeInFadeOut(
|
||||||
|
animation: animation,
|
||||||
|
child: Container(
|
||||||
|
color: fillColor ?? Theme.of(context).canvasColor,
|
||||||
|
child: _ZoomedFadeInFadeOut(
|
||||||
|
animation: ReverseAnimation(secondaryAnimation),
|
||||||
|
child: child,
|
||||||
|
),
|
||||||
|
),
|
||||||
|
);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
class _FadeThroughTransitionState extends State<FadeThroughTransition> {
|
class _ZoomedFadeInFadeOut extends StatelessWidget {
|
||||||
AnimationStatus _effectiveAnimationStatus;
|
const _ZoomedFadeInFadeOut({Key key, this.animation, this.child})
|
||||||
AnimationStatus _effectiveSecondaryAnimationStatus;
|
: super(key: key);
|
||||||
|
|
||||||
@override
|
final Animation<double> animation;
|
||||||
void initState() {
|
final Widget child;
|
||||||
super.initState();
|
|
||||||
_effectiveAnimationStatus = widget.animation.status;
|
|
||||||
_effectiveSecondaryAnimationStatus = widget.secondaryAnimation.status;
|
|
||||||
widget.animation.addStatusListener(_animationListener);
|
|
||||||
widget.secondaryAnimation.addStatusListener(_secondaryAnimationListener);
|
|
||||||
}
|
|
||||||
|
|
||||||
void _animationListener(AnimationStatus animationStatus) {
|
|
||||||
_effectiveAnimationStatus = _calculateEffectiveAnimationStatus(
|
|
||||||
lastEffective: _effectiveAnimationStatus,
|
|
||||||
current: animationStatus,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
void _secondaryAnimationListener(AnimationStatus animationStatus) {
|
|
||||||
_effectiveSecondaryAnimationStatus = _calculateEffectiveAnimationStatus(
|
|
||||||
lastEffective: _effectiveSecondaryAnimationStatus,
|
|
||||||
current: animationStatus,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
// When a transition is interrupted midway we just want to play the ongoing
|
|
||||||
// animation in reverse. Switching to the actual reverse transition would
|
|
||||||
// yield a disjoint experience since the forward and reverse transitions are
|
|
||||||
// very different.
|
|
||||||
AnimationStatus _calculateEffectiveAnimationStatus({
|
|
||||||
@required AnimationStatus lastEffective,
|
|
||||||
@required AnimationStatus current,
|
|
||||||
}) {
|
|
||||||
assert(current != null);
|
|
||||||
assert(lastEffective != null);
|
|
||||||
switch (current) {
|
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
return current;
|
|
||||||
case AnimationStatus.forward:
|
|
||||||
switch (lastEffective) {
|
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
case AnimationStatus.forward:
|
|
||||||
return current;
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
return lastEffective;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
switch (lastEffective) {
|
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
return current;
|
|
||||||
case AnimationStatus.forward:
|
|
||||||
return lastEffective;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
return null; // unreachable
|
|
||||||
}
|
|
||||||
|
|
||||||
@override
|
|
||||||
void didUpdateWidget(FadeThroughTransition oldWidget) {
|
|
||||||
super.didUpdateWidget(oldWidget);
|
|
||||||
if (oldWidget.animation != widget.animation) {
|
|
||||||
oldWidget.animation.removeStatusListener(_animationListener);
|
|
||||||
widget.animation.addStatusListener(_animationListener);
|
|
||||||
_animationListener(widget.animation.status);
|
|
||||||
}
|
|
||||||
if (oldWidget.secondaryAnimation != widget.secondaryAnimation) {
|
|
||||||
oldWidget.secondaryAnimation
|
|
||||||
.removeStatusListener(_secondaryAnimationListener);
|
|
||||||
widget.secondaryAnimation.addStatusListener(_secondaryAnimationListener);
|
|
||||||
_secondaryAnimationListener(widget.secondaryAnimation.status);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@override
|
|
||||||
void dispose() {
|
|
||||||
widget.animation.removeStatusListener(_animationListener);
|
|
||||||
widget.secondaryAnimation.removeStatusListener(_secondaryAnimationListener);
|
|
||||||
super.dispose();
|
|
||||||
}
|
|
||||||
|
|
||||||
static final Tween<double> _flippedTween = Tween<double>(
|
|
||||||
begin: 1.0,
|
|
||||||
end: 0.0,
|
|
||||||
);
|
|
||||||
static Animation<double> _flip(Animation<double> animation) {
|
|
||||||
return _flippedTween.animate(animation);
|
|
||||||
}
|
|
||||||
|
|
||||||
@override
|
@override
|
||||||
Widget build(BuildContext context) {
|
Widget build(BuildContext context) {
|
||||||
return AnimatedBuilder(
|
return DualTransitionBuilder(
|
||||||
animation: widget.animation,
|
animation: animation,
|
||||||
builder: (BuildContext context, Widget child) {
|
forwardBuilder: (
|
||||||
assert(_effectiveAnimationStatus != null);
|
BuildContext context,
|
||||||
switch (_effectiveAnimationStatus) {
|
Animation<double> animation,
|
||||||
case AnimationStatus.forward:
|
Widget child,
|
||||||
|
) {
|
||||||
return _ZoomedFadeIn(
|
return _ZoomedFadeIn(
|
||||||
animation: widget.animation,
|
animation: animation,
|
||||||
child: child,
|
child: child,
|
||||||
);
|
);
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
return _FadeOut(
|
|
||||||
animation: _flip(widget.animation),
|
|
||||||
child: child,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
return null; // unreachable
|
|
||||||
},
|
},
|
||||||
child: Container(
|
reverseBuilder: (
|
||||||
color: Theme.of(context).canvasColor,
|
BuildContext context,
|
||||||
child: AnimatedBuilder(
|
Animation<double> animation,
|
||||||
animation: widget.secondaryAnimation,
|
Widget child,
|
||||||
builder: (BuildContext context, Widget child) {
|
) {
|
||||||
assert(_effectiveSecondaryAnimationStatus != null);
|
|
||||||
switch (_effectiveSecondaryAnimationStatus) {
|
|
||||||
case AnimationStatus.forward:
|
|
||||||
return _FadeOut(
|
return _FadeOut(
|
||||||
child: child,
|
child: child,
|
||||||
animation: widget.secondaryAnimation,
|
animation: animation,
|
||||||
);
|
);
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
return _ZoomedFadeIn(
|
|
||||||
animation: _flip(widget.secondaryAnimation),
|
|
||||||
child: child,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
return null; // unreachable
|
|
||||||
},
|
},
|
||||||
child: widget.child,
|
child: child,
|
||||||
),
|
|
||||||
),
|
|
||||||
);
|
);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@ -7,6 +7,7 @@ import 'package:flutter/foundation.dart';
|
|||||||
import 'package:flutter/material.dart';
|
import 'package:flutter/material.dart';
|
||||||
import 'package:flutter/widgets.dart';
|
import 'package:flutter/widgets.dart';
|
||||||
|
|
||||||
|
import 'dual_transition_builder.dart';
|
||||||
import 'utils/curves.dart';
|
import 'utils/curves.dart';
|
||||||
|
|
||||||
/// Determines which type of shared axis transition is used.
|
/// Determines which type of shared axis transition is used.
|
||||||
@ -79,9 +80,9 @@ enum SharedAxisTransitionType {
|
|||||||
class SharedAxisPageTransitionsBuilder extends PageTransitionsBuilder {
|
class SharedAxisPageTransitionsBuilder extends PageTransitionsBuilder {
|
||||||
/// Construct a [SharedAxisPageTransitionsBuilder].
|
/// Construct a [SharedAxisPageTransitionsBuilder].
|
||||||
const SharedAxisPageTransitionsBuilder({
|
const SharedAxisPageTransitionsBuilder({
|
||||||
this.transitionType,
|
@required this.transitionType,
|
||||||
this.fillColor,
|
this.fillColor,
|
||||||
});
|
}) : assert(transitionType != null);
|
||||||
|
|
||||||
/// Determines which [SharedAxisTransitionType] to build.
|
/// Determines which [SharedAxisTransitionType] to build.
|
||||||
final SharedAxisTransitionType transitionType;
|
final SharedAxisTransitionType transitionType;
|
||||||
@ -183,7 +184,7 @@ class SharedAxisPageTransitionsBuilder extends PageTransitionsBuilder {
|
|||||||
/// );
|
/// );
|
||||||
/// }
|
/// }
|
||||||
/// ```
|
/// ```
|
||||||
class SharedAxisTransition extends StatefulWidget {
|
class SharedAxisTransition extends StatelessWidget {
|
||||||
/// Creates a [SharedAxisTransition].
|
/// Creates a [SharedAxisTransition].
|
||||||
///
|
///
|
||||||
/// The [animation] and [secondaryAnimation] argument are required and must
|
/// The [animation] and [secondaryAnimation] argument are required and must
|
||||||
@ -234,157 +235,62 @@ class SharedAxisTransition extends StatefulWidget {
|
|||||||
/// [secondaryAnimation].
|
/// [secondaryAnimation].
|
||||||
final Widget child;
|
final Widget child;
|
||||||
|
|
||||||
@override
|
|
||||||
_SharedAxisTransitionState createState() => _SharedAxisTransitionState();
|
|
||||||
}
|
|
||||||
|
|
||||||
class _SharedAxisTransitionState extends State<SharedAxisTransition> {
|
|
||||||
AnimationStatus _effectiveAnimationStatus;
|
|
||||||
AnimationStatus _effectiveSecondaryAnimationStatus;
|
|
||||||
|
|
||||||
@override
|
|
||||||
void initState() {
|
|
||||||
super.initState();
|
|
||||||
_effectiveAnimationStatus = widget.animation.status;
|
|
||||||
_effectiveSecondaryAnimationStatus = widget.secondaryAnimation.status;
|
|
||||||
widget.animation.addStatusListener(_animationListener);
|
|
||||||
widget.secondaryAnimation.addStatusListener(_secondaryAnimationListener);
|
|
||||||
}
|
|
||||||
|
|
||||||
void _animationListener(AnimationStatus animationStatus) {
|
|
||||||
_effectiveAnimationStatus = _calculateEffectiveAnimationStatus(
|
|
||||||
lastEffective: _effectiveAnimationStatus,
|
|
||||||
current: animationStatus,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
void _secondaryAnimationListener(AnimationStatus animationStatus) {
|
|
||||||
_effectiveSecondaryAnimationStatus = _calculateEffectiveAnimationStatus(
|
|
||||||
lastEffective: _effectiveSecondaryAnimationStatus,
|
|
||||||
current: animationStatus,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
// When a transition is interrupted midway we just want to play the ongoing
|
|
||||||
// animation in reverse. Switching to the actual reverse transition would
|
|
||||||
// yield a disjoint experience since the forward and reverse transitions are
|
|
||||||
// very different.
|
|
||||||
AnimationStatus _calculateEffectiveAnimationStatus({
|
|
||||||
@required AnimationStatus lastEffective,
|
|
||||||
@required AnimationStatus current,
|
|
||||||
}) {
|
|
||||||
assert(current != null);
|
|
||||||
assert(lastEffective != null);
|
|
||||||
switch (current) {
|
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
return current;
|
|
||||||
case AnimationStatus.forward:
|
|
||||||
switch (lastEffective) {
|
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
case AnimationStatus.forward:
|
|
||||||
return current;
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
return lastEffective;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
switch (lastEffective) {
|
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
return current;
|
|
||||||
case AnimationStatus.forward:
|
|
||||||
return lastEffective;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
return null; // unreachable
|
|
||||||
}
|
|
||||||
|
|
||||||
@override
|
|
||||||
void didUpdateWidget(SharedAxisTransition oldWidget) {
|
|
||||||
super.didUpdateWidget(oldWidget);
|
|
||||||
if (oldWidget.animation != widget.animation) {
|
|
||||||
oldWidget.animation.removeStatusListener(_animationListener);
|
|
||||||
widget.animation.addStatusListener(_animationListener);
|
|
||||||
_animationListener(widget.animation.status);
|
|
||||||
}
|
|
||||||
if (oldWidget.secondaryAnimation != widget.secondaryAnimation) {
|
|
||||||
oldWidget.secondaryAnimation
|
|
||||||
.removeStatusListener(_secondaryAnimationListener);
|
|
||||||
widget.secondaryAnimation.addStatusListener(_secondaryAnimationListener);
|
|
||||||
_secondaryAnimationListener(widget.secondaryAnimation.status);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@override
|
|
||||||
void dispose() {
|
|
||||||
widget.animation.removeStatusListener(_animationListener);
|
|
||||||
widget.secondaryAnimation.removeStatusListener(_secondaryAnimationListener);
|
|
||||||
super.dispose();
|
|
||||||
}
|
|
||||||
|
|
||||||
static final Tween<double> _flippedTween = Tween<double>(
|
|
||||||
begin: 1.0,
|
|
||||||
end: 0.0,
|
|
||||||
);
|
|
||||||
static Animation<double> _flip(Animation<double> animation) {
|
|
||||||
return _flippedTween.animate(animation);
|
|
||||||
}
|
|
||||||
|
|
||||||
@override
|
@override
|
||||||
Widget build(BuildContext context) {
|
Widget build(BuildContext context) {
|
||||||
return AnimatedBuilder(
|
final Color color = fillColor ?? Theme.of(context).canvasColor;
|
||||||
animation: widget.animation,
|
return DualTransitionBuilder(
|
||||||
builder: (BuildContext context, Widget child) {
|
animation: animation,
|
||||||
assert(_effectiveAnimationStatus != null);
|
forwardBuilder: (
|
||||||
switch (_effectiveAnimationStatus) {
|
BuildContext context,
|
||||||
case AnimationStatus.forward:
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
return _EnterTransition(
|
return _EnterTransition(
|
||||||
animation: widget.animation,
|
animation: animation,
|
||||||
transitionType: widget.transitionType,
|
transitionType: transitionType,
|
||||||
child: child,
|
child: child,
|
||||||
);
|
);
|
||||||
case AnimationStatus.dismissed:
|
|
||||||
case AnimationStatus.reverse:
|
|
||||||
case AnimationStatus.completed:
|
|
||||||
return _ExitTransition(
|
|
||||||
animation: _flip(widget.animation),
|
|
||||||
transitionType: widget.transitionType,
|
|
||||||
reverse: true,
|
|
||||||
fillColor: widget.fillColor,
|
|
||||||
child: child,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
return null; // unreachable
|
|
||||||
},
|
},
|
||||||
child: AnimatedBuilder(
|
reverseBuilder: (
|
||||||
animation: widget.secondaryAnimation,
|
BuildContext context,
|
||||||
builder: (BuildContext context, Widget child) {
|
Animation<double> animation,
|
||||||
assert(_effectiveSecondaryAnimationStatus != null);
|
Widget child,
|
||||||
switch (_effectiveSecondaryAnimationStatus) {
|
) {
|
||||||
case AnimationStatus.forward:
|
|
||||||
return _ExitTransition(
|
return _ExitTransition(
|
||||||
animation: widget.secondaryAnimation,
|
animation: animation,
|
||||||
transitionType: widget.transitionType,
|
transitionType: transitionType,
|
||||||
fillColor: widget.fillColor,
|
reverse: true,
|
||||||
|
fillColor: color,
|
||||||
child: child,
|
child: child,
|
||||||
);
|
);
|
||||||
case AnimationStatus.dismissed:
|
},
|
||||||
case AnimationStatus.reverse:
|
child: DualTransitionBuilder(
|
||||||
case AnimationStatus.completed:
|
animation: ReverseAnimation(secondaryAnimation),
|
||||||
|
forwardBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
return _EnterTransition(
|
return _EnterTransition(
|
||||||
animation: _flip(widget.secondaryAnimation),
|
animation: animation,
|
||||||
transitionType: widget.transitionType,
|
transitionType: transitionType,
|
||||||
reverse: true,
|
reverse: true,
|
||||||
child: child,
|
child: child,
|
||||||
);
|
);
|
||||||
}
|
|
||||||
return null; // unreachable
|
|
||||||
},
|
},
|
||||||
child: widget.child,
|
reverseBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
|
return _ExitTransition(
|
||||||
|
animation: animation,
|
||||||
|
transitionType: transitionType,
|
||||||
|
fillColor: color,
|
||||||
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
child: child,
|
||||||
),
|
),
|
||||||
);
|
);
|
||||||
}
|
}
|
||||||
@ -428,9 +334,15 @@ class _EnterTransition extends StatelessWidget {
|
|||||||
|
|
||||||
return FadeTransition(
|
return FadeTransition(
|
||||||
opacity: _fadeInTransition.animate(animation),
|
opacity: _fadeInTransition.animate(animation),
|
||||||
child: Transform.translate(
|
child: AnimatedBuilder(
|
||||||
|
animation: animation,
|
||||||
|
builder: (BuildContext context, Widget child) {
|
||||||
|
return Transform.translate(
|
||||||
offset: slideInTransition.evaluate(animation),
|
offset: slideInTransition.evaluate(animation),
|
||||||
child: child,
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
child: child,
|
||||||
),
|
),
|
||||||
);
|
);
|
||||||
break;
|
break;
|
||||||
@ -442,9 +354,15 @@ class _EnterTransition extends StatelessWidget {
|
|||||||
|
|
||||||
return FadeTransition(
|
return FadeTransition(
|
||||||
opacity: _fadeInTransition.animate(animation),
|
opacity: _fadeInTransition.animate(animation),
|
||||||
child: Transform.translate(
|
child: AnimatedBuilder(
|
||||||
|
animation: animation,
|
||||||
|
builder: (BuildContext context, Widget child) {
|
||||||
|
return Transform.translate(
|
||||||
offset: slideInTransition.evaluate(animation),
|
offset: slideInTransition.evaluate(animation),
|
||||||
child: child,
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
child: child,
|
||||||
),
|
),
|
||||||
);
|
);
|
||||||
break;
|
break;
|
||||||
@ -468,7 +386,7 @@ class _ExitTransition extends StatelessWidget {
|
|||||||
this.animation,
|
this.animation,
|
||||||
this.transitionType,
|
this.transitionType,
|
||||||
this.reverse = false,
|
this.reverse = false,
|
||||||
this.fillColor,
|
@required this.fillColor,
|
||||||
this.child,
|
this.child,
|
||||||
});
|
});
|
||||||
|
|
||||||
@ -504,10 +422,16 @@ class _ExitTransition extends StatelessWidget {
|
|||||||
return FadeTransition(
|
return FadeTransition(
|
||||||
opacity: _fadeOutTransition.animate(animation),
|
opacity: _fadeOutTransition.animate(animation),
|
||||||
child: Container(
|
child: Container(
|
||||||
color: fillColor ?? Theme.of(context).canvasColor,
|
color: fillColor,
|
||||||
child: Transform.translate(
|
child: AnimatedBuilder(
|
||||||
|
animation: animation,
|
||||||
|
builder: (BuildContext context, Widget child) {
|
||||||
|
return Transform.translate(
|
||||||
offset: slideOutTransition.evaluate(animation),
|
offset: slideOutTransition.evaluate(animation),
|
||||||
child: child,
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
child: child,
|
||||||
),
|
),
|
||||||
),
|
),
|
||||||
);
|
);
|
||||||
@ -521,10 +445,16 @@ class _ExitTransition extends StatelessWidget {
|
|||||||
return FadeTransition(
|
return FadeTransition(
|
||||||
opacity: _fadeOutTransition.animate(animation),
|
opacity: _fadeOutTransition.animate(animation),
|
||||||
child: Container(
|
child: Container(
|
||||||
color: fillColor ?? Theme.of(context).canvasColor,
|
color: fillColor,
|
||||||
child: Transform.translate(
|
child: AnimatedBuilder(
|
||||||
|
animation: animation,
|
||||||
|
builder: (BuildContext context, Widget child) {
|
||||||
|
return Transform.translate(
|
||||||
offset: slideOutTransition.evaluate(animation),
|
offset: slideOutTransition.evaluate(animation),
|
||||||
child: child,
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
child: child,
|
||||||
),
|
),
|
||||||
),
|
),
|
||||||
);
|
);
|
||||||
@ -533,7 +463,7 @@ class _ExitTransition extends StatelessWidget {
|
|||||||
return FadeTransition(
|
return FadeTransition(
|
||||||
opacity: _fadeOutTransition.animate(animation),
|
opacity: _fadeOutTransition.animate(animation),
|
||||||
child: Container(
|
child: Container(
|
||||||
color: fillColor ?? Theme.of(context).canvasColor,
|
color: fillColor,
|
||||||
child: ScaleTransition(
|
child: ScaleTransition(
|
||||||
scale: (!reverse ? _scaleUpTransition : _scaleDownTransition)
|
scale: (!reverse ? _scaleUpTransition : _scaleDownTransition)
|
||||||
.animate(animation),
|
.animate(animation),
|
||||||
|
|||||||
299
packages/animations/test/dual_transition_builder_test.dart
Normal file
299
packages/animations/test/dual_transition_builder_test.dart
Normal file
@ -0,0 +1,299 @@
|
|||||||
|
// Copyright 2020 The Flutter Authors. All rights reserved.
|
||||||
|
// Use of this source code is governed by a BSD-style license that can be
|
||||||
|
// found in the LICENSE file.
|
||||||
|
|
||||||
|
import 'package:animations/src/dual_transition_builder.dart';
|
||||||
|
import 'package:flutter/material.dart';
|
||||||
|
import 'package:flutter_test/flutter_test.dart';
|
||||||
|
import 'package:flutter/widgets.dart';
|
||||||
|
|
||||||
|
void main() {
|
||||||
|
testWidgets('runs animations', (WidgetTester tester) async {
|
||||||
|
final AnimationController controller = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
|
||||||
|
await tester.pumpWidget(Center(
|
||||||
|
child: DualTransitionBuilder(
|
||||||
|
animation: controller,
|
||||||
|
forwardBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
|
return ScaleTransition(
|
||||||
|
scale: animation,
|
||||||
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
reverseBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
|
return FadeTransition(
|
||||||
|
opacity: Tween<double>(begin: 1.0, end: 0.0).animate(animation),
|
||||||
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
child: Container(
|
||||||
|
color: Colors.green,
|
||||||
|
height: 100,
|
||||||
|
width: 100,
|
||||||
|
),
|
||||||
|
),
|
||||||
|
));
|
||||||
|
expect(_getScale(tester), 0.0);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
|
||||||
|
controller.forward();
|
||||||
|
await tester.pump();
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(_getScale(tester), 0.5);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(_getScale(tester), 1.0);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(_getScale(tester), 1.0);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
|
||||||
|
controller.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(_getScale(tester), 1.0);
|
||||||
|
expect(_getOpacity(tester), 0.5);
|
||||||
|
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(_getScale(tester), 1.0);
|
||||||
|
expect(_getOpacity(tester), 0.0);
|
||||||
|
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(_getScale(tester), 0.0);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
});
|
||||||
|
|
||||||
|
testWidgets('keeps state', (WidgetTester tester) async {
|
||||||
|
final AnimationController controller = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
|
||||||
|
await tester.pumpWidget(Directionality(
|
||||||
|
textDirection: TextDirection.ltr,
|
||||||
|
child: Center(
|
||||||
|
child: DualTransitionBuilder(
|
||||||
|
animation: controller,
|
||||||
|
forwardBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
|
return ScaleTransition(
|
||||||
|
scale: animation,
|
||||||
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
reverseBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
|
return FadeTransition(
|
||||||
|
opacity: Tween<double>(begin: 1.0, end: 0.0).animate(animation),
|
||||||
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
child: const _StatefulTestWidget(name: 'Foo'),
|
||||||
|
),
|
||||||
|
),
|
||||||
|
));
|
||||||
|
final State<StatefulWidget> state =
|
||||||
|
tester.state(find.byType(_StatefulTestWidget));
|
||||||
|
expect(state, isNotNull);
|
||||||
|
|
||||||
|
controller.forward();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
controller.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
});
|
||||||
|
|
||||||
|
testWidgets('does not jump when interrupted - forward',
|
||||||
|
(WidgetTester tester) async {
|
||||||
|
final AnimationController controller = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
await tester.pumpWidget(Center(
|
||||||
|
child: DualTransitionBuilder(
|
||||||
|
animation: controller,
|
||||||
|
forwardBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
|
return ScaleTransition(
|
||||||
|
scale: animation,
|
||||||
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
reverseBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
|
return FadeTransition(
|
||||||
|
opacity: Tween<double>(begin: 1.0, end: 0.0).animate(animation),
|
||||||
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
child: Container(
|
||||||
|
color: Colors.green,
|
||||||
|
height: 100,
|
||||||
|
width: 100,
|
||||||
|
),
|
||||||
|
),
|
||||||
|
));
|
||||||
|
expect(_getScale(tester), 0.0);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
|
||||||
|
controller.forward();
|
||||||
|
await tester.pump();
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(_getScale(tester), 0.5);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
|
||||||
|
controller.reverse();
|
||||||
|
expect(_getScale(tester), 0.5);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
await tester.pump();
|
||||||
|
expect(_getScale(tester), 0.5);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
|
||||||
|
await tester.pump(const Duration(milliseconds: 75));
|
||||||
|
expect(_getScale(tester), 0.25);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
|
||||||
|
await tester.pump(const Duration(milliseconds: 75));
|
||||||
|
expect(_getScale(tester), 0.0);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(_getScale(tester), 0.0);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
});
|
||||||
|
|
||||||
|
testWidgets('does not jump when interrupted - reverse',
|
||||||
|
(WidgetTester tester) async {
|
||||||
|
final AnimationController controller = AnimationController(
|
||||||
|
value: 1.0,
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
await tester.pumpWidget(Center(
|
||||||
|
child: DualTransitionBuilder(
|
||||||
|
animation: controller,
|
||||||
|
forwardBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
|
return ScaleTransition(
|
||||||
|
scale: animation,
|
||||||
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
reverseBuilder: (
|
||||||
|
BuildContext context,
|
||||||
|
Animation<double> animation,
|
||||||
|
Widget child,
|
||||||
|
) {
|
||||||
|
return FadeTransition(
|
||||||
|
opacity: Tween<double>(begin: 1.0, end: 0.0).animate(animation),
|
||||||
|
child: child,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
child: Container(
|
||||||
|
color: Colors.green,
|
||||||
|
height: 100,
|
||||||
|
width: 100,
|
||||||
|
),
|
||||||
|
),
|
||||||
|
));
|
||||||
|
expect(_getScale(tester), 1.0);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
|
||||||
|
controller.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(_getScale(tester), 1.0);
|
||||||
|
expect(_getOpacity(tester), 0.5);
|
||||||
|
|
||||||
|
controller.forward();
|
||||||
|
expect(_getScale(tester), 1.0);
|
||||||
|
expect(_getOpacity(tester), 0.5);
|
||||||
|
await tester.pump();
|
||||||
|
expect(_getScale(tester), 1.0);
|
||||||
|
expect(_getOpacity(tester), 0.5);
|
||||||
|
|
||||||
|
await tester.pump(const Duration(milliseconds: 75));
|
||||||
|
expect(_getScale(tester), 1.0);
|
||||||
|
expect(_getOpacity(tester), 0.75);
|
||||||
|
|
||||||
|
await tester.pump(const Duration(milliseconds: 75));
|
||||||
|
expect(_getScale(tester), 1.0);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(_getScale(tester), 1.0);
|
||||||
|
expect(_getOpacity(tester), 1.0);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
double _getScale(WidgetTester tester) {
|
||||||
|
final ScaleTransition scale = tester.widget(find.byType(ScaleTransition));
|
||||||
|
return scale.scale.value;
|
||||||
|
}
|
||||||
|
|
||||||
|
double _getOpacity(WidgetTester tester) {
|
||||||
|
final FadeTransition scale = tester.widget(find.byType(FadeTransition));
|
||||||
|
return scale.opacity.value;
|
||||||
|
}
|
||||||
|
|
||||||
|
class _StatefulTestWidget extends StatefulWidget {
|
||||||
|
const _StatefulTestWidget({Key key, this.name}) : super(key: key);
|
||||||
|
|
||||||
|
final String name;
|
||||||
|
|
||||||
|
@override
|
||||||
|
State<_StatefulTestWidget> createState() => _StatefulTestWidgetState();
|
||||||
|
}
|
||||||
|
|
||||||
|
class _StatefulTestWidgetState extends State<_StatefulTestWidget> {
|
||||||
|
@override
|
||||||
|
Widget build(BuildContext context) {
|
||||||
|
return Text(widget.name);
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -395,6 +395,58 @@ void main() {
|
|||||||
expect(find.byKey(topKey), findsNothing);
|
expect(find.byKey(topKey), findsNothing);
|
||||||
},
|
},
|
||||||
);
|
);
|
||||||
|
|
||||||
|
testWidgets(
|
||||||
|
'should preserve state',
|
||||||
|
(WidgetTester tester) async {
|
||||||
|
final AnimationController controller = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
|
||||||
|
await tester.pumpWidget(
|
||||||
|
MaterialApp(
|
||||||
|
home: Scaffold(
|
||||||
|
body: Center(
|
||||||
|
child: FadeScaleTransition(
|
||||||
|
animation: controller,
|
||||||
|
child: const _FlutterLogoModal(),
|
||||||
|
),
|
||||||
|
),
|
||||||
|
),
|
||||||
|
),
|
||||||
|
);
|
||||||
|
|
||||||
|
final State<StatefulWidget> state = tester.state(
|
||||||
|
find.byType(_FlutterLogoModal),
|
||||||
|
);
|
||||||
|
expect(state, isNotNull);
|
||||||
|
|
||||||
|
controller.forward();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_FlutterLogoModal))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_FlutterLogoModal))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_FlutterLogoModal))));
|
||||||
|
|
||||||
|
controller.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_FlutterLogoModal))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_FlutterLogoModal))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_FlutterLogoModal))));
|
||||||
|
|
||||||
|
controller.forward();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_FlutterLogoModal))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_FlutterLogoModal))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_FlutterLogoModal))));
|
||||||
|
},
|
||||||
|
);
|
||||||
}
|
}
|
||||||
|
|
||||||
double _getOpacity(GlobalKey key, WidgetTester tester) {
|
double _getOpacity(GlobalKey key, WidgetTester tester) {
|
||||||
|
|||||||
@ -364,6 +364,71 @@ void main() {
|
|||||||
);
|
);
|
||||||
expect(find.byKey(const ValueKey<String>(topRoute)), findsNothing);
|
expect(find.byKey(const ValueKey<String>(topRoute)), findsNothing);
|
||||||
});
|
});
|
||||||
|
|
||||||
|
testWidgets('should keep state', (WidgetTester tester) async {
|
||||||
|
final AnimationController animation = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
final AnimationController secondaryAnimation = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
await tester.pumpWidget(Directionality(
|
||||||
|
textDirection: TextDirection.ltr,
|
||||||
|
child: Center(
|
||||||
|
child: FadeThroughTransition(
|
||||||
|
child: const _StatefulTestWidget(name: 'Foo'),
|
||||||
|
animation: animation,
|
||||||
|
secondaryAnimation: secondaryAnimation,
|
||||||
|
),
|
||||||
|
),
|
||||||
|
));
|
||||||
|
final State<StatefulWidget> state = tester.state(
|
||||||
|
find.byType(_StatefulTestWidget),
|
||||||
|
);
|
||||||
|
expect(state, isNotNull);
|
||||||
|
|
||||||
|
animation.forward();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
secondaryAnimation.forward();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
secondaryAnimation.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
animation.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
});
|
||||||
}
|
}
|
||||||
|
|
||||||
double _getOpacity(String key, WidgetTester tester) {
|
double _getOpacity(String key, WidgetTester tester) {
|
||||||
|
|||||||
@ -583,6 +583,72 @@ void main() {
|
|||||||
expect(fillContainerFinder, findsOneWidget);
|
expect(fillContainerFinder, findsOneWidget);
|
||||||
expect(tester.widget<Container>(fillContainerFinder).color, Colors.green);
|
expect(tester.widget<Container>(fillContainerFinder).color, Colors.green);
|
||||||
});
|
});
|
||||||
|
|
||||||
|
testWidgets('should keep state', (WidgetTester tester) async {
|
||||||
|
final AnimationController animation = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
final AnimationController secondaryAnimation = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
await tester.pumpWidget(Directionality(
|
||||||
|
textDirection: TextDirection.ltr,
|
||||||
|
child: Center(
|
||||||
|
child: SharedAxisTransition(
|
||||||
|
transitionType: SharedAxisTransitionType.horizontal,
|
||||||
|
child: const _StatefulTestWidget(name: 'Foo'),
|
||||||
|
animation: animation,
|
||||||
|
secondaryAnimation: secondaryAnimation,
|
||||||
|
),
|
||||||
|
),
|
||||||
|
));
|
||||||
|
final State<StatefulWidget> state = tester.state(
|
||||||
|
find.byType(_StatefulTestWidget),
|
||||||
|
);
|
||||||
|
expect(state, isNotNull);
|
||||||
|
|
||||||
|
animation.forward();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
secondaryAnimation.forward();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
secondaryAnimation.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
animation.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
});
|
||||||
});
|
});
|
||||||
|
|
||||||
group('SharedAxisTransitionType.vertical', () {
|
group('SharedAxisTransitionType.vertical', () {
|
||||||
@ -1160,6 +1226,72 @@ void main() {
|
|||||||
expect(fillContainerFinder, findsOneWidget);
|
expect(fillContainerFinder, findsOneWidget);
|
||||||
expect(tester.widget<Container>(fillContainerFinder).color, Colors.green);
|
expect(tester.widget<Container>(fillContainerFinder).color, Colors.green);
|
||||||
});
|
});
|
||||||
|
|
||||||
|
testWidgets('should keep state', (WidgetTester tester) async {
|
||||||
|
final AnimationController animation = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
final AnimationController secondaryAnimation = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
await tester.pumpWidget(Directionality(
|
||||||
|
textDirection: TextDirection.ltr,
|
||||||
|
child: Center(
|
||||||
|
child: SharedAxisTransition(
|
||||||
|
transitionType: SharedAxisTransitionType.vertical,
|
||||||
|
child: const _StatefulTestWidget(name: 'Foo'),
|
||||||
|
animation: animation,
|
||||||
|
secondaryAnimation: secondaryAnimation,
|
||||||
|
),
|
||||||
|
),
|
||||||
|
));
|
||||||
|
final State<StatefulWidget> state = tester.state(
|
||||||
|
find.byType(_StatefulTestWidget),
|
||||||
|
);
|
||||||
|
expect(state, isNotNull);
|
||||||
|
|
||||||
|
animation.forward();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
secondaryAnimation.forward();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
secondaryAnimation.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
animation.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
});
|
||||||
});
|
});
|
||||||
|
|
||||||
group('SharedAxisTransitionType.scaled', () {
|
group('SharedAxisTransitionType.scaled', () {
|
||||||
@ -1630,6 +1762,72 @@ void main() {
|
|||||||
expect(fillContainerFinder, findsOneWidget);
|
expect(fillContainerFinder, findsOneWidget);
|
||||||
expect(tester.widget<Container>(fillContainerFinder).color, Colors.green);
|
expect(tester.widget<Container>(fillContainerFinder).color, Colors.green);
|
||||||
});
|
});
|
||||||
|
|
||||||
|
testWidgets('should keep state', (WidgetTester tester) async {
|
||||||
|
final AnimationController animation = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
final AnimationController secondaryAnimation = AnimationController(
|
||||||
|
vsync: const TestVSync(),
|
||||||
|
duration: const Duration(milliseconds: 300),
|
||||||
|
);
|
||||||
|
await tester.pumpWidget(Directionality(
|
||||||
|
textDirection: TextDirection.ltr,
|
||||||
|
child: Center(
|
||||||
|
child: SharedAxisTransition(
|
||||||
|
transitionType: SharedAxisTransitionType.scaled,
|
||||||
|
child: const _StatefulTestWidget(name: 'Foo'),
|
||||||
|
animation: animation,
|
||||||
|
secondaryAnimation: secondaryAnimation,
|
||||||
|
),
|
||||||
|
),
|
||||||
|
));
|
||||||
|
final State<StatefulWidget> state = tester.state(
|
||||||
|
find.byType(_StatefulTestWidget),
|
||||||
|
);
|
||||||
|
expect(state, isNotNull);
|
||||||
|
|
||||||
|
animation.forward();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
secondaryAnimation.forward();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
secondaryAnimation.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
|
||||||
|
animation.reverse();
|
||||||
|
await tester.pump();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pump(const Duration(milliseconds: 150));
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
await tester.pumpAndSettle();
|
||||||
|
expect(state, same(tester.state(find.byType(_StatefulTestWidget))));
|
||||||
|
});
|
||||||
});
|
});
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|||||||
Reference in New Issue
Block a user