258 lines
9.2 KiB
Dart
258 lines
9.2 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:stream_chat_flutter/src/channel_info.dart';
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import 'package:stream_chat_flutter/stream_chat_flutter.dart';
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/// Bottom Sheet with options
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class ChannelBottomSheet extends StatefulWidget {
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/// Constructor for creating bottom sheet
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const ChannelBottomSheet({Key? key, this.onViewInfoTap}) : super(key: key);
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/// Callback when 'View Info' is tapped
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final VoidCallback? onViewInfoTap;
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@override
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_ChannelBottomSheetState createState() => _ChannelBottomSheetState();
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}
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class _ChannelBottomSheetState extends State<ChannelBottomSheet> {
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bool _showActions = true;
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late StreamChannelState _streamChannelState;
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late StreamChatThemeData _streamChatThemeData;
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late StreamChatState _streamChatState;
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@override
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Widget build(BuildContext context) {
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final channel = _streamChannelState.channel;
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final members = channel.state?.members ?? [];
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final userAsMember =
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members.firstWhere((e) => e.user?.id == _streamChatState.user?.id);
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final isOwner = userAsMember.role == 'owner';
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return Material(
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color: _streamChatThemeData.colorTheme.barsBg,
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clipBehavior: Clip.antiAlias,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(16),
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topRight: Radius.circular(16),
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),
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),
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child: !_showActions
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? const SizedBox()
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: ListView(
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shrinkWrap: true,
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children: [
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const SizedBox(
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height: 24,
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),
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Center(
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: ChannelName(
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textStyle: _streamChatThemeData.textTheme.headlineBold,
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),
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),
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),
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const SizedBox(
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height: 5,
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),
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Center(
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child: ChannelInfo(
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showTypingIndicator: false,
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channel: _streamChannelState.channel,
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textStyle:
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_streamChatThemeData.channelPreviewTheme.subtitle,
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),
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),
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const SizedBox(
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height: 17,
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),
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if (channel.isDistinct && channel.memberCount == 2)
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Column(
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children: [
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UserAvatar(
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user: members
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.firstWhere(
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(e) => e.user?.id != userAsMember.user?.id)
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.user!,
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constraints: const BoxConstraints(
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maxHeight: 64,
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maxWidth: 64,
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),
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borderRadius: BorderRadius.circular(32),
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onlineIndicatorConstraints:
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BoxConstraints.tight(const Size(12, 12)),
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),
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const SizedBox(
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height: 6,
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),
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Text(
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members
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.firstWhere(
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(e) => e.user?.id != userAsMember.user?.id)
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.user
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?.name ??
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'',
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style: _streamChatThemeData.textTheme.footnoteBold,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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],
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),
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if (!(channel.isDistinct && channel.memberCount == 2))
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Container(
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height: 94,
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alignment: Alignment.center,
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child: ListView.builder(
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scrollDirection: Axis.horizontal,
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itemCount: members.length,
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shrinkWrap: true,
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itemBuilder: (context, index) => Padding(
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padding: const EdgeInsets.symmetric(horizontal: 8),
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child: Column(
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children: [
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UserAvatar(
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user: members[index].user!,
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constraints: const BoxConstraints.tightFor(
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height: 64,
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width: 64,
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),
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borderRadius: BorderRadius.circular(32),
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onlineIndicatorConstraints:
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BoxConstraints.tight(const Size(12, 12)),
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),
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const SizedBox(
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height: 6,
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),
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Text(
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members[index].user?.name ?? '',
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style:
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_streamChatThemeData.textTheme.footnoteBold,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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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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const SizedBox(
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height: 24,
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),
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OptionListTile(
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leading: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: StreamSvgIcon.user(
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color: _streamChatThemeData.colorTheme.textLowEmphasis,
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),
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),
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title: 'View Info',
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onTap: widget.onViewInfoTap,
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),
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if (!channel.isDistinct)
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OptionListTile(
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leading: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: StreamSvgIcon.userRemove(
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color: _streamChatThemeData.colorTheme.textLowEmphasis,
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),
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),
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title: 'Leave Group',
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onTap: () async {
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setState(() {
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_showActions = false;
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});
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await _showLeaveDialog();
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setState(() {
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_showActions = true;
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});
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},
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),
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if (isOwner)
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OptionListTile(
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leading: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: StreamSvgIcon.delete(
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color: _streamChatThemeData.colorTheme.accentError,
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),
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),
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title: 'Delete Conversation',
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titleColor: _streamChatThemeData.colorTheme.accentError,
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onTap: () async {
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setState(() {
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_showActions = false;
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});
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await _showDeleteDialog();
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setState(() {
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_showActions = true;
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});
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},
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),
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OptionListTile(
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leading: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: StreamSvgIcon.closeSmall(
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color: _streamChatThemeData.colorTheme.textLowEmphasis,
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),
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),
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title: 'Cancel',
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onTap: () {
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Navigator.pop(context);
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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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@override
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void didChangeDependencies() {
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_streamChannelState = StreamChannel.of(context);
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_streamChatThemeData = StreamChatTheme.of(context);
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_streamChatState = StreamChat.of(context);
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super.didChangeDependencies();
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}
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Future<void> _showDeleteDialog() async {
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final res = await showConfirmationDialog(
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context,
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title: 'Delete Conversation',
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okText: 'DELETE',
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question: 'Are you sure you want to delete this conversation?',
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cancelText: 'CANCEL',
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icon: StreamSvgIcon.delete(
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color: _streamChatThemeData.colorTheme.accentError,
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),
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);
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final channel = _streamChannelState.channel;
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if (res == true) {
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await channel.delete();
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Navigator.pop(context);
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}
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}
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Future<void> _showLeaveDialog() async {
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final res = await showConfirmationDialog(
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context,
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title: 'Leave conversation',
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okText: 'LEAVE',
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question: 'Are you sure you want to leave this conversation?',
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cancelText: 'CANCEL',
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icon: StreamSvgIcon.userRemove(
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color: _streamChatThemeData.colorTheme.accentError,
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),
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);
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if (res == true) {
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final channel = _streamChannelState.channel;
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final user = _streamChatState.user;
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if (user != null) {
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await channel.removeMembers([user.id]);
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}
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Navigator.pop(context);
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}
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}
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}
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