fluffychat/lib/pages/chat/typing_indicators.dart
2022-11-02 18:45:05 +08:00

101 lines
3.7 KiB
Dart

import 'package:flutter/material.dart';
import 'package:fluffychat/config/app_config.dart';
import 'package:fluffychat/config/themes.dart';
import 'package:fluffychat/pages/chat/chat.dart';
import 'package:fluffychat/widgets/avatar.dart';
import 'package:fluffychat/widgets/matrix.dart';
class TypingIndicators extends StatelessWidget {
final ChatController controller;
const TypingIndicators(this.controller, {Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
final typingUsers = controller.room!.typingUsers
..removeWhere((u) => u.stateKey == Matrix.of(context).client.userID);
const topPadding = 20.0;
const bottomPadding = 4.0;
return Container(
width: double.infinity,
alignment: Alignment.center,
child: AnimatedContainer(
constraints:
const BoxConstraints(maxWidth: FluffyThemes.columnWidth * 2.5),
height: typingUsers.isEmpty ? 0 : Avatar.defaultSize + bottomPadding,
duration: const Duration(milliseconds: 300),
curve: Curves.bounceInOut,
alignment: controller.timeline!.events.isNotEmpty &&
controller.timeline!.events.first.senderId ==
Matrix.of(context).client.userID
? Alignment.topRight
: Alignment.topLeft,
clipBehavior: Clip.hardEdge,
decoration: const BoxDecoration(),
padding: const EdgeInsets.only(
left: 8.0,
bottom: bottomPadding,
),
child: Row(
children: [
SizedBox(
height: Avatar.defaultSize,
width: typingUsers.length < 2
? Avatar.defaultSize
: Avatar.defaultSize + 16,
child: Stack(
children: [
if (typingUsers.isNotEmpty)
Avatar(
mxContent: typingUsers.first.avatarUrl,
name: typingUsers.first.calcDisplayname(),
),
if (typingUsers.length == 2)
Padding(
padding: const EdgeInsets.only(left: 16),
child: Avatar(
mxContent: typingUsers.length == 2
? typingUsers.last.avatarUrl
: null,
name: typingUsers.length == 2
? typingUsers.last.calcDisplayname()
: '+${typingUsers.length - 1}',
),
),
],
),
),
const SizedBox(width: 8),
Padding(
padding: const EdgeInsets.only(top: topPadding),
child: Material(
color: Theme.of(context).appBarTheme.backgroundColor,
elevation: 6,
shadowColor:
Theme.of(context).secondaryHeaderColor.withAlpha(100),
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(2),
topRight: Radius.circular(AppConfig.borderRadius),
bottomLeft: Radius.circular(AppConfig.borderRadius),
bottomRight: Radius.circular(AppConfig.borderRadius),
),
child: Padding(
padding: const EdgeInsets.all(8),
child: typingUsers.isEmpty
? null
: Image.asset(
'assets/typing.gif',
height: 30,
filterQuality: FilterQuality.medium,
),
),
),
),
],
),
),
);
}
}