fluffychat/lib/pages/chat_list/chat_list_view.dart
2021-12-25 19:25:20 +01:00

492 lines
18 KiB
Dart

import 'dart:async';
import 'dart:math';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:animations/animations.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:matrix/matrix.dart';
import 'package:vrouter/vrouter.dart';
import 'package:fluffychat/config/app_config.dart';
import 'package:fluffychat/pages/chat_list/chat_list.dart';
import 'package:fluffychat/pages/chat_list/chat_list_item.dart';
import 'package:fluffychat/pages/chat_list/client_chooser_button.dart';
import 'package:fluffychat/pages/chat_list/spaces_bottom_bar.dart';
import 'package:fluffychat/pages/chat_list/stories_header.dart';
import 'package:fluffychat/widgets/connection_status_header.dart';
import '../../utils/stream_extension.dart';
import '../../widgets/matrix.dart';
class ChatListView extends StatelessWidget {
final ChatListController controller;
const ChatListView(this.controller, {Key key}) : super(key: key);
@override
Widget build(BuildContext context) {
return StreamBuilder<Object>(
stream: Matrix.of(context).onShareContentChanged.stream,
builder: (_, __) {
final selectMode = controller.selectMode;
return VWidgetGuard(
onSystemPop: (redirector) async {
final selMode = controller.selectMode;
if (selMode != SelectMode.normal) controller.cancelAction();
if (selMode == SelectMode.select) redirector.stopRedirection();
},
child: Scaffold(
appBar: AppBar(
elevation: controller.scrolledToTop ? 0 : null,
actionsIconTheme: IconThemeData(
color: controller.selectedRoomIds.isEmpty
? null
: Theme.of(context).colorScheme.primary,
),
leading: selectMode == SelectMode.normal
? Matrix.of(context).isMultiAccount
? ClientChooserButton(controller)
: null
: IconButton(
tooltip: L10n.of(context).cancel,
icon: const Icon(Icons.close_outlined),
onPressed: controller.cancelAction,
color: Theme.of(context).colorScheme.primary,
),
centerTitle: false,
actions: selectMode == SelectMode.share
? null
: selectMode == SelectMode.select
? [
if (controller.spaces.isNotEmpty)
IconButton(
tooltip: L10n.of(context).addToSpace,
icon: const Icon(Icons.group_work_outlined),
onPressed: controller.addOrRemoveToSpace,
),
IconButton(
tooltip: L10n.of(context).toggleUnread,
icon: Icon(
controller.anySelectedRoomNotMarkedUnread
? Icons.mark_chat_read_outlined
: Icons.mark_chat_unread_outlined),
onPressed: controller.toggleUnread,
),
IconButton(
tooltip: L10n.of(context).toggleFavorite,
icon: Icon(controller.anySelectedRoomNotFavorite
? Icons.push_pin_outlined
: Icons.push_pin),
onPressed: controller.toggleFavouriteRoom,
),
IconButton(
icon: Icon(controller.anySelectedRoomNotMuted
? Icons.notifications_off_outlined
: Icons.notifications_outlined),
tooltip: L10n.of(context).toggleMuted,
onPressed: controller.toggleMuted,
),
IconButton(
icon: const Icon(Icons.delete_outlined),
tooltip: L10n.of(context).archive,
onPressed: controller.archiveAction,
),
]
: [
IconButton(
icon: const Icon(Icons.search_outlined),
tooltip: L10n.of(context).search,
onPressed: () =>
VRouter.of(context).to('/search'),
),
PopupMenuButton<PopupMenuAction>(
onSelected: controller.onPopupMenuSelect,
itemBuilder: (_) => [
PopupMenuItem(
value: PopupMenuAction.setStatus,
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(Icons.edit_outlined),
const SizedBox(width: 12),
Text(L10n.of(context).setStatus),
],
),
),
PopupMenuItem(
value: PopupMenuAction.newGroup,
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(Icons.group_add_outlined),
const SizedBox(width: 12),
Text(L10n.of(context).createNewGroup),
],
),
),
PopupMenuItem(
value: PopupMenuAction.newSpace,
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(Icons.group_work_outlined),
const SizedBox(width: 12),
Text(L10n.of(context).createNewSpace),
],
),
),
PopupMenuItem(
value: PopupMenuAction.invite,
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(Icons.share_outlined),
const SizedBox(width: 12),
Text(L10n.of(context).inviteContact),
],
),
),
PopupMenuItem(
value: PopupMenuAction.archive,
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(Icons.archive_outlined),
const SizedBox(width: 12),
Text(L10n.of(context).archive),
],
),
),
PopupMenuItem(
value: PopupMenuAction.settings,
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(Icons.settings_outlined),
const SizedBox(width: 12),
Text(L10n.of(context).settings),
],
),
),
],
),
],
title: Text(selectMode == SelectMode.share
? L10n.of(context).share
: selectMode == SelectMode.select
? controller.selectedRoomIds.length.toString()
: controller.activeSpaceId == null
? AppConfig.applicationName
: Matrix.of(context)
.client
.getRoomById(controller.activeSpaceId)
.displayname),
),
body: Column(children: [
AnimatedContainer(
height: controller.showChatBackupBanner ? 54 : 0,
duration: const Duration(milliseconds: 300),
clipBehavior: Clip.hardEdge,
curve: Curves.bounceInOut,
decoration: const BoxDecoration(),
child: Material(
color: Theme.of(context).colorScheme.surface,
child: ListTile(
leading: Image.asset(
'assets/backup.png',
fit: BoxFit.contain,
width: 44,
),
title: Text(L10n.of(context).setupChatBackupNow),
trailing: const Icon(Icons.chevron_right_outlined),
onTap: controller.firstRunBootstrapAction,
),
),
),
Expanded(child: _ChatListViewBody(controller)),
]),
floatingActionButton: selectMode == SelectMode.normal
? controller.scrolledToTop
? FloatingActionButton.extended(
onPressed: () =>
VRouter.of(context).to('/newprivatechat'),
icon: const Icon(CupertinoIcons.chat_bubble),
label: Text(L10n.of(context).newChat),
)
: FloatingActionButton(
onPressed: () =>
VRouter.of(context).to('/newprivatechat'),
child: const Icon(CupertinoIcons.chat_bubble),
)
: null,
bottomNavigationBar: Column(
mainAxisSize: MainAxisSize.min,
children: [
const ConnectionStatusHeader(),
if (controller.spaces.isNotEmpty &&
controller.selectedRoomIds.isEmpty)
SpacesBottomBar(controller),
],
),
),
);
});
}
}
class _ChatListViewBody extends StatefulWidget {
final ChatListController controller;
const _ChatListViewBody(this.controller, {Key key}) : super(key: key);
@override
State<_ChatListViewBody> createState() => _ChatListViewBodyState();
}
class _ChatListViewBodyState extends State<_ChatListViewBody> {
// the matrix sync stream
StreamSubscription _subscription;
StreamSubscription _clientSubscription;
// used to check the animation direction
String _lastUserId;
String _lastSpaceId;
@override
void initState() {
_subscription = Matrix.of(context)
.client
.onSync
.stream
.where((s) => s.hasRoomUpdate)
.rateLimit(const Duration(seconds: 1))
.listen((d) => setState(() {}));
_clientSubscription =
widget.controller.clientStream.listen((d) => setState(() {}));
super.initState();
}
@override
Widget build(BuildContext context) {
final reversed = _animationReversed();
Widget child;
if (widget.controller.waitForFirstSync &&
Matrix.of(context).client.prevBatch != null) {
final rooms = Matrix.of(context)
.client
.rooms
.where(widget.controller.roomCheck)
.toList();
if (rooms.isEmpty) {
child = Column(
key: const ValueKey(null),
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: <Widget>[
const Icon(
Icons.maps_ugc_outlined,
size: 80,
color: Colors.grey,
),
Center(
child: Text(
L10n.of(context).startYourFirstChat,
textAlign: TextAlign.start,
style: const TextStyle(
color: Colors.grey,
fontSize: 16,
),
),
),
],
);
}
final displayStoriesHeader = widget.controller.activeSpaceId == null;
child = ListView.builder(
key: ValueKey(Matrix.of(context).client.userID.toString() +
widget.controller.activeSpaceId.toString()),
controller: widget.controller.scrollController,
itemCount: rooms.length + (displayStoriesHeader ? 1 : 0),
itemBuilder: (BuildContext context, int i) {
if (i == 0 && displayStoriesHeader) {
return const StoriesHeader();
}
i--;
return ChatListItem(
rooms[i],
selected: widget.controller.selectedRoomIds.contains(rooms[i].id),
onTap: widget.controller.selectMode == SelectMode.select
? () => widget.controller.toggleSelection(rooms[i].id)
: null,
onLongPress: () => widget.controller.toggleSelection(rooms[i].id),
activeChat: widget.controller.activeChat == rooms[i].id,
);
},
);
} else {
child = ListView(
key: const ValueKey(false),
children: List.filled(
8,
const _DummyChat(),
),
);
}
child = Material(
color: Theme.of(context).scaffoldBackgroundColor,
child: child,
);
return PageTransitionSwitcher(
reverse: reversed,
transitionBuilder: (
Widget child,
Animation<double> primaryAnimation,
Animation<double> secondaryAnimation,
) {
return SharedAxisTransition(
animation: primaryAnimation,
secondaryAnimation: secondaryAnimation,
transitionType: SharedAxisTransitionType.horizontal,
child: child,
);
},
child: child,
);
}
@override
void dispose() {
_subscription.cancel();
_clientSubscription.cancel();
super.dispose();
}
bool _animationReversed() {
bool reversed;
// in case the matrix id changes, check the indexOf the matrix id
final newClient = Matrix.of(context).client;
if (_lastUserId != newClient.userID) {
reversed = Matrix.of(context)
.currentBundle
.indexWhere((element) => element.userID == _lastUserId) <
Matrix.of(context)
.currentBundle
.indexWhere((element) => element.userID == newClient.userID);
}
// otherwise, the space changed...
else {
reversed = widget.controller.spaces
.indexWhere((element) => element.id == _lastSpaceId) <
widget.controller.spaces.indexWhere(
(element) => element.id == widget.controller.activeSpaceId);
}
_lastUserId = newClient.userID;
_lastSpaceId = widget.controller.activeSpaceId;
return reversed;
}
}
class _DummyChat extends StatefulWidget {
const _DummyChat({Key key}) : super(key: key);
@override
State<_DummyChat> createState() => _DummyChatState();
}
class _DummyChatState extends State<_DummyChat> {
double opacity = Random().nextDouble();
Timer _timer;
static const duration = Duration(seconds: 1);
void _setRandomOpacity(_) {
if (mounted) {
setState(() => opacity = Random().nextDouble());
}
}
@override
void initState() {
WidgetsBinding.instance.addPostFrameCallback(_setRandomOpacity);
_timer ??= Timer.periodic(duration, _setRandomOpacity);
super.initState();
}
@override
void dispose() {
_timer?.cancel();
super.dispose();
}
@override
Widget build(BuildContext context) {
final titleColor =
Theme.of(context).textTheme.bodyText1.color.withAlpha(100);
final subtitleColor =
Theme.of(context).textTheme.bodyText1.color.withAlpha(50);
return AnimatedOpacity(
opacity: opacity,
duration: duration,
child: ListTile(
leading: CircleAvatar(
backgroundColor: titleColor,
child: CircularProgressIndicator(
strokeWidth: 1,
color: Theme.of(context).textTheme.bodyText1.color,
),
),
title: Row(
children: [
Expanded(
child: Container(
height: 14,
decoration: BoxDecoration(
color: titleColor,
borderRadius: BorderRadius.circular(3),
),
),
),
const SizedBox(width: 36),
Container(
height: 14,
width: 14,
decoration: BoxDecoration(
color: subtitleColor,
borderRadius: BorderRadius.circular(14),
),
),
const SizedBox(width: 12),
Container(
height: 14,
width: 14,
decoration: BoxDecoration(
color: subtitleColor,
borderRadius: BorderRadius.circular(14),
),
),
],
),
subtitle: Container(
decoration: BoxDecoration(
color: subtitleColor,
borderRadius: BorderRadius.circular(3),
),
height: 12,
margin: const EdgeInsets.only(right: 22),
),
),
);
}
}
enum ChatListPopupMenuItemActions {
createGroup,
createSpace,
discover,
setStatus,
inviteContact,
settings,
}