94 lines
2.7 KiB
Dart
94 lines
2.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:ionicons/ionicons.dart';
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import 'package:selfprivacy/config/brand_colors.dart';
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import 'package:selfprivacy/logic/cubit/jobs/jobs_cubit.dart';
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import 'package:selfprivacy/ui/components/brand_bottom_sheet/brand_bottom_sheet.dart';
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import 'package:selfprivacy/ui/components/jobs_content/jobs_content.dart';
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import 'package:selfprivacy/ui/helpers/modals.dart';
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class BrandFab extends StatefulWidget {
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BrandFab({Key? key}) : super(key: key);
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@override
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_BrandFabState createState() => _BrandFabState();
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}
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class _BrandFabState extends State<BrandFab>
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with SingleTickerProviderStateMixin {
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late AnimationController _animationController;
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late Animation _colorTween;
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@override
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void initState() {
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_animationController =
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AnimationController(vsync: this, duration: Duration(milliseconds: 800));
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_colorTween = ColorTween(
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begin: BrandColors.black,
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end: BrandColors.primary,
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).animate(_animationController);
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback(_afterLayout);
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}
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void _afterLayout(_) {
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if (Theme.of(context).brightness == Brightness.dark) {
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setState(() {
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_colorTween = ColorTween(
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begin: BrandColors.white,
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end: BrandColors.primary,
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).animate(_animationController);
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});
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}
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}
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@override
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void dispose() {
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_animationController.dispose();
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super.dispose();
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}
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bool wasPrevStateIsEmpty = true;
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@override
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Widget build(BuildContext context) {
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return BlocListener<JobsCubit, JobsState>(
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listener: (context, state) {
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if (wasPrevStateIsEmpty && state is! JobsStateEmpty) {
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wasPrevStateIsEmpty = false;
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_animationController.forward();
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} else if (!wasPrevStateIsEmpty && state is JobsStateEmpty) {
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wasPrevStateIsEmpty = true;
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_animationController.reverse();
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}
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},
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child: FloatingActionButton(
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onPressed: () {
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showBrandBottomSheet(
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context: context,
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builder: (context) => BrandBottomSheet(
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isExpended: true,
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child: JobsContent(),
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),
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);
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},
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child: AnimatedBuilder(
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animation: _colorTween,
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builder: (context, child) {
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var v = _animationController.value;
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var icon = v > 0.5 ? Ionicons.flash : Ionicons.flash_outline;
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return Transform.scale(
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scale: 1 + (v < 0.5 ? v : 1 - v) * 2,
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child: Icon(
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icon,
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color: _colorTween.value,
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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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