import 'package:flutter/material.dart'; import 'package:cached_network_image/cached_network_image.dart'; import 'package:matrix/matrix.dart'; import 'package:fluffychat/utils/string_color.dart'; import 'matrix.dart'; class Avatar extends StatelessWidget { final Uri? mxContent; final String? name; final double size; final void Function()? onTap; static const double defaultSize = 44; final Client? client; final double fontSize; const Avatar({ this.mxContent, this.name, this.size = defaultSize, this.onTap, this.client, this.fontSize = 18, Key? key, }) : super(key: key); @override Widget build(BuildContext context) { final src = mxContent?.getThumbnail( client ?? Matrix.of(context).client, width: size * MediaQuery.of(context).devicePixelRatio, height: size * MediaQuery.of(context).devicePixelRatio, ); var fallbackLetters = '@'; final name = this.name; if (name != null) { if (name.runes.length >= 2) { fallbackLetters = String.fromCharCodes(name.runes, 0, 2); } else if (name.runes.length == 1) { fallbackLetters = name; } } final noPic = mxContent == null || mxContent.toString().isEmpty || mxContent.toString() == 'null'; final textWidget = Center( child: Text( fallbackLetters, style: TextStyle( color: noPic ? Colors.white : null, fontSize: fontSize, ), ), ); final borderRadius = BorderRadius.circular(size / 2); final container = Container( decoration: BoxDecoration( border: Border.all(color: Theme.of(context).dividerColor), borderRadius: borderRadius, ), child: ClipRRect( borderRadius: borderRadius, child: Container( width: size, height: size, color: noPic ? name?.lightColor : Theme.of(context).secondaryHeaderColor, child: noPic ? textWidget : CachedNetworkImage( imageUrl: src.toString(), fit: BoxFit.cover, width: size, height: size, placeholder: (c, s) => textWidget, errorWidget: (c, s, d) => Stack( children: [ textWidget, ], ), ), ), ), ); if (onTap == null) return container; return InkWell( onTap: onTap, borderRadius: borderRadius, child: container, ); } }