Files
stream-chat-flutter/lib/src/user_avatar.dart
T

115 lines
3.7 KiB
Dart

import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:stream_chat/stream_chat.dart';
import '../stream_chat_flutter.dart';
class UserAvatar extends StatelessWidget {
const UserAvatar({
Key key,
@required this.user,
this.constraints,
this.onlineIndicatorConstraints,
this.onTap,
this.onLongPress,
this.showOnlineStatus = true,
this.borderRadius,
this.onlineIndicatorAlignment = Alignment.topRight,
this.selected = false,
this.selectionColor,
this.selectionThickness = 4,
}) : super(key: key);
final User user;
final Alignment onlineIndicatorAlignment;
final BoxConstraints constraints;
final BorderRadius borderRadius;
final BoxConstraints onlineIndicatorConstraints;
final void Function(User) onTap;
final void Function(User) onLongPress;
final bool showOnlineStatus;
final bool selected;
final Color selectionColor;
final double selectionThickness;
@override
Widget build(BuildContext context) {
final hasImage = user.extraData?.containsKey('image') == true &&
user.extraData['image'] != null &&
user.extraData['image'] != '';
final streamChatTheme = StreamChatTheme.of(context);
Widget avatar = ClipRRect(
clipBehavior: Clip.antiAlias,
borderRadius: borderRadius ??
streamChatTheme.ownMessageTheme.avatarTheme.borderRadius,
child: Container(
constraints: constraints ??
streamChatTheme.ownMessageTheme.avatarTheme.constraints,
decoration: BoxDecoration(
color: streamChatTheme.colorTheme.accentBlue,
),
child: hasImage
? CachedNetworkImage(
filterQuality: FilterQuality.high,
imageUrl: user.extraData['image'],
errorWidget: (_, __, ___) {
return streamChatTheme.defaultUserImage(context, user);
},
fit: BoxFit.cover,
)
: streamChatTheme.defaultUserImage(context, user),
),
);
if (selected) {
avatar = ClipRRect(
borderRadius: (borderRadius ??
streamChatTheme.ownMessageTheme.avatarTheme.borderRadius) +
BorderRadius.circular(selectionThickness),
child: Container(
constraints: constraints ??
streamChatTheme.ownMessageTheme.avatarTheme.constraints,
color: selectionColor ??
StreamChatTheme.of(context).colorTheme.accentBlue,
child: Padding(
padding: EdgeInsets.all(selectionThickness),
child: avatar,
),
),
);
}
return GestureDetector(
onTap: onTap != null ? () => onTap(user) : null,
onLongPress: onLongPress != null ? () => onLongPress(user) : null,
child: Stack(
children: <Widget>[
avatar,
if (showOnlineStatus && user.online == true)
Positioned.fill(
child: Align(
alignment: onlineIndicatorAlignment,
child: Material(
type: MaterialType.circle,
child: Container(
padding: const EdgeInsets.all(2.0),
constraints: onlineIndicatorConstraints ??
BoxConstraints.tightFor(
width: 12,
height: 12,
),
child: Material(
shape: CircleBorder(),
color: streamChatTheme.colorTheme.accentGreen,
),
),
color: StreamChatTheme.of(context).colorTheme.white,
),
),
),
],
),
);
}
}