68 lines
1.4 KiB
Dart
68 lines
1.4 KiB
Dart
import 'package:flutter/material.dart';
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class RoomEmojiAssetImage extends StatefulWidget {
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const RoomEmojiAssetImage({
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super.key,
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required this.asset,
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required this.width,
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required this.height,
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this.fit = BoxFit.contain,
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});
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final String asset;
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final double width;
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final double height;
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final BoxFit fit;
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@override
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State<RoomEmojiAssetImage> createState() => _RoomEmojiAssetImageState();
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}
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class _RoomEmojiAssetImageState extends State<RoomEmojiAssetImage>
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with AutomaticKeepAliveClientMixin {
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late AssetImage _imageProvider;
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@override
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void initState() {
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super.initState();
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_imageProvider = AssetImage(widget.asset);
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}
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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_precache();
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}
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@override
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void didUpdateWidget(covariant RoomEmojiAssetImage oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (oldWidget.asset != widget.asset) {
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_imageProvider = AssetImage(widget.asset);
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_precache();
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}
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}
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@override
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Widget build(BuildContext context) {
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super.build(context);
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return RepaintBoundary(
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child: Image(
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image: _imageProvider,
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width: widget.width,
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height: widget.height,
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fit: widget.fit,
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gaplessPlayback: true,
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filterQuality: FilterQuality.low,
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),
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);
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}
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void _precache() {
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precacheImage(_imageProvider, context);
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}
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@override
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bool get wantKeepAlive => true;
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}
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