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99 lines
2.4 KiB
99 lines
2.4 KiB
import 'dart:async';
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import 'dart:math';
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import 'package:ai_recipe_generation/theme.dart';
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import 'package:flutter/material.dart';
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class IconLoadingAnimator extends StatefulWidget {
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IconLoadingAnimator({
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super.key,
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required this.icons,
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this.animationDuration,
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this.millisecondsBetweenAnimations,
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});
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final List<IconData> icons;
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final Duration? animationDuration;
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final int? millisecondsBetweenAnimations;
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final List<Color> colors = [
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MarketplaceTheme.primary,
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MarketplaceTheme.secondary,
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MarketplaceTheme.tertiary,
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MarketplaceTheme.scrim,
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Colors.black87,
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];
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@override
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State<IconLoadingAnimator> createState() => _IconLoadingAnimatorState();
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}
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var rand = Random();
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class _IconLoadingAnimatorState extends State<IconLoadingAnimator> {
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late List<IconData> notYetSeenIcons;
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late IconData currentIcon;
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late Color currentColor;
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late Timer timer;
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@override
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void initState() {
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super.initState();
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notYetSeenIcons = widget.icons;
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currentIcon =
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notYetSeenIcons.removeAt(rand.nextInt(notYetSeenIcons.length));
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currentColor = widget.colors[rand.nextInt(widget.colors.length)];
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timer = Timer.periodic(
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Duration(milliseconds: widget.millisecondsBetweenAnimations ?? 1000),
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(timer) {
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nextIcon();
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},
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);
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}
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void nextIcon() {
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if (notYetSeenIcons.length == 1) notYetSeenIcons = widget.icons;
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setState(() {
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currentIcon =
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notYetSeenIcons.removeAt(rand.nextInt(notYetSeenIcons.length));
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currentColor = widget.colors[rand.nextInt(widget.colors.length)];
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});
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}
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@override
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void dispose() {
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timer.cancel();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Container(
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: Colors.white,
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border: Border.all(
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color: MarketplaceTheme.focusedBorderColor,
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width: 2,
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),
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),
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child: AnimatedSwitcher(
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duration: widget.animationDuration ?? const Duration(milliseconds: 200),
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transitionBuilder: (child, animation) {
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return ScaleTransition(
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scale: animation,
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child: child,
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);
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},
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child: Icon(
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size: 75,
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color: currentColor,
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key: Key(currentIcon.hashCode.toString()),
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currentIcon,
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),
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),
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);
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}
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}
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