119 lines
3.9 KiB
Dart
119 lines
3.9 KiB
Dart
import 'package:cached_network_image/cached_network_image.dart';
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import 'package:flutter/material.dart';
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import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
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import '../stream_chat_flutter.dart';
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class UserAvatar extends StatelessWidget {
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const UserAvatar({
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Key? key,
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required this.user,
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this.constraints,
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this.onlineIndicatorConstraints,
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this.onTap,
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this.onLongPress,
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this.showOnlineStatus = true,
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this.borderRadius,
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this.onlineIndicatorAlignment = Alignment.topRight,
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this.selected = false,
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this.selectionColor,
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this.selectionThickness = 4,
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}) : super(key: key);
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final User user;
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final Alignment onlineIndicatorAlignment;
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final BoxConstraints? constraints;
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final BorderRadius? borderRadius;
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final BoxConstraints? onlineIndicatorConstraints;
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final void Function(User)? onTap;
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final void Function(User)? onLongPress;
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final bool showOnlineStatus;
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final bool selected;
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final Color? selectionColor;
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final double selectionThickness;
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@override
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Widget build(BuildContext context) {
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final hasImage = user.extraData.containsKey('image') &&
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user.extraData['image'] != null &&
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user.extraData['image'] != '';
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final streamChatTheme = StreamChatTheme.of(context);
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Widget avatar = FittedBox(
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fit: BoxFit.cover,
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child: ClipRRect(
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clipBehavior: Clip.antiAlias,
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borderRadius: borderRadius ??
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streamChatTheme.ownMessageTheme.avatarTheme?.borderRadius,
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child: Container(
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constraints: constraints ??
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streamChatTheme.ownMessageTheme.avatarTheme?.constraints,
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decoration: BoxDecoration(
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color: streamChatTheme.colorTheme.accentBlue,
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),
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child: hasImage
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? CachedNetworkImage(
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filterQuality: FilterQuality.high,
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imageUrl: user.extraData['image'] as String,
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errorWidget: (_, __, ___) {
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return streamChatTheme.defaultUserImage(context, user);
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},
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fit: BoxFit.cover,
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)
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: streamChatTheme.defaultUserImage(context, user),
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),
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),
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);
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if (selected) {
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avatar = ClipRRect(
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borderRadius: (borderRadius ??
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streamChatTheme.ownMessageTheme.avatarTheme?.borderRadius ??
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BorderRadius.zero) +
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BorderRadius.circular(selectionThickness),
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child: Container(
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constraints: constraints ??
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streamChatTheme.ownMessageTheme.avatarTheme?.constraints,
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color: selectionColor ??
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StreamChatTheme.of(context).colorTheme.accentBlue,
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child: Padding(
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padding: EdgeInsets.all(selectionThickness),
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child: avatar,
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),
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),
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);
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}
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return GestureDetector(
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onTap: onTap != null ? () => onTap!(user) : null,
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onLongPress: onLongPress != null ? () => onLongPress!(user) : null,
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child: Stack(
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children: <Widget>[
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avatar,
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if (showOnlineStatus && user.online)
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Positioned.fill(
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child: Align(
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alignment: onlineIndicatorAlignment,
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child: Material(
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type: MaterialType.circle,
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color: streamChatTheme.colorTheme.white,
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child: Container(
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margin: const EdgeInsets.all(2.0),
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constraints: onlineIndicatorConstraints ??
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BoxConstraints.tightFor(
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width: 8,
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height: 8,
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),
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child: Material(
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shape: CircleBorder(),
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color: streamChatTheme.colorTheme.accentGreen,
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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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);
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}
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}
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