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Use reverseDuration on Tooltip and InkWell. (#32904)

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This puts the new AnimationController reverseDuration argument to use in two places: focus for InkWells and fade out for Tooltips.
This commit is contained in:
Greg Spencer 2019-05-18 12:56:40 -07:00 committed by GitHub
parent 71d370fd7b
commit 76dccbe2fb
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 8 additions and 13 deletions
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3
packages/flutter/lib/src/material/input_decorator.dart
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@ -166,6 +166,7 @@ class _BorderContainer extends StatefulWidget {
class _BorderContainerState extends State<_BorderContainer> with TickerProviderStateMixin {
static const Duration _kFocusInDuration = Duration(milliseconds: 45);
static const Duration _kFocusOutDuration = Duration(milliseconds: 15);
static const Duration _kHoverDuration = Duration(milliseconds: 15);
AnimationController _controller;
@ -183,7 +184,7 @@ class _BorderContainerState extends State<_BorderContainer> with TickerProviderS
super.initState();
_focusColorController = AnimationController(
duration: _kFocusInDuration,
// TODO(gspencer): use reverseDuration set to 15ms, once available.
reverseDuration: _kFocusOutDuration,
value: widget.isFocused ? 1.0 : 0.0,
vsync: this,
);

15
packages/flutter/lib/src/material/tooltip.dart
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@ -149,7 +149,11 @@ class _TooltipState extends State<Tooltip> with SingleTickerProviderStateMixin {
void initState() {
super.initState();
_mouseIsConnected = RendererBinding.instance.mouseTracker.mouseIsConnected;
_controller = AnimationController(duration: _fadeInDuration, vsync: this)
_controller = AnimationController(
duration: _fadeInDuration,
reverseDuration: _fadeOutDuration,
vsync: this,
)
..addStatusListener(_handleStatusChanged);
// Listen to see when a mouse is added.
RendererBinding.instance.mouseTracker.addListener(_handleMouseTrackerChange);
@ -226,7 +230,6 @@ class _TooltipState extends State<Tooltip> with SingleTickerProviderStateMixin {
void _createNewEntry() {
final RenderBox box = context.findRenderObject();
final Offset target = box.localToGlobal(box.size.center(Offset.zero));
assert(_fadeOutDuration < _fadeInDuration);
// We create this widget outside of the overlay entry's builder to prevent
// updated values from happening to leak into the overlay when the overlay
@ -239,14 +242,6 @@ class _TooltipState extends State<Tooltip> with SingleTickerProviderStateMixin {
animation: CurvedAnimation(
parent: _controller,
curve: Curves.fastOutSlowIn,
// Add an interval here to make the fade out use a different (shorter)
// duration than the fade in. If _kFadeOutDuration is made longer than
// _kFadeInDuration, then the equation below will need to change.
reverseCurve: Interval(
0.0,
_fadeOutDuration.inMilliseconds / _fadeInDuration.inMilliseconds,
curve: Curves.fastOutSlowIn,
),
),
target: target,
verticalOffset: widget.verticalOffset,

3
packages/flutter/test/material/input_decorator_test.dart
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@ -2140,8 +2140,7 @@ void main() {
);
expect(getContainerColor(tester), equals(focusColor));
// TODO(gspencer): convert this to 15ms once reverseDuration for AnimationController lands.
await tester.pump(const Duration(milliseconds: 45));
await tester.pump(const Duration(milliseconds: 15));
expect(getContainerColor(tester), equals(fillColor));
});