selfprivacy.org.app/lib/ui/components/pre_styled_buttons/flash_fab.dart

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import 'package:easy_localization/easy_localization.dart';
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import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:ionicons/ionicons.dart';
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import 'package:selfprivacy/logic/cubit/client_jobs/client_jobs_cubit.dart';
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import 'package:selfprivacy/ui/components/jobs_content/jobs_content.dart';
class BrandFab extends StatefulWidget {
const BrandFab({
this.extended = false,
super.key,
});
final bool extended;
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@override
State<BrandFab> createState() => _BrandFabState();
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}
class _BrandFabState extends State<BrandFab>
with SingleTickerProviderStateMixin {
late AnimationController _animationController;
late Animation _colorTween;
@override
void initState() {
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_animationController = AnimationController(
vsync: this,
duration: const Duration(milliseconds: 800),
);
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super.initState();
}
@override
void dispose() {
_animationController.dispose();
super.dispose();
}
bool wasPrevStateIsEmpty = true;
@override
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Widget build(final BuildContext context) {
_colorTween = ColorTween(
begin: Theme.of(context).colorScheme.onPrimaryContainer,
end: Theme.of(context).colorScheme.primary,
).animate(_animationController);
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return BlocListener<JobsCubit, JobsState>(
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listener: (final BuildContext context, final JobsState state) {
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if (wasPrevStateIsEmpty && state is! JobsStateEmpty) {
wasPrevStateIsEmpty = false;
_animationController.forward();
} else if (!wasPrevStateIsEmpty && state is JobsStateEmpty) {
wasPrevStateIsEmpty = true;
_animationController.reverse();
}
},
child: FloatingActionButton(
onPressed: () {
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// TODO: Make a hero animation to the screen
showModalBottomSheet(
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context: context,
useRootNavigator: true,
isScrollControlled: true,
builder: (final BuildContext context) => DraggableScrollableSheet(
expand: false,
maxChildSize: 0.9,
minChildSize: 0.4,
initialChildSize: 0.6,
builder: (final context, final scrollController) =>
JobsContent(controller: scrollController),
),
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);
},
isExtended: widget.extended,
child: Row(
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisAlignment: MainAxisAlignment.center,
children: [
AnimatedBuilder(
animation: _colorTween,
builder: (final BuildContext context, final Widget? child) {
final double v = _animationController.value;
final IconData icon =
v > 0.5 ? Ionicons.flash : Ionicons.flash_outline;
return Transform.scale(
scale: 1 + (v < 0.5 ? v : 1 - v) * 2,
child: Icon(
icon,
color: _colorTween.value,
),
);
},
),
if (widget.extended)
const SizedBox(
width: 8,
),
if (widget.extended)
Text(
'jobs.title'.tr(),
),
],
),
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),
);
}
}