fluffychat/lib/views/ui/chat_ui.dart

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Dart
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import 'dart:math';
import 'dart:ui';
import 'package:adaptive_page_layout/adaptive_page_layout.dart';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:fluffychat/views/chat.dart';
import 'package:fluffychat/views/widgets/avatar.dart';
import 'package:fluffychat/views/widgets/chat_settings_popup_menu.dart';
import 'package:fluffychat/views/widgets/connection_status_header.dart';
import 'package:fluffychat/views/widgets/input_bar.dart';
import 'package:fluffychat/views/widgets/unread_badge_back_button.dart';
import 'package:fluffychat/config/themes.dart';
import 'package:future_loading_dialog/future_loading_dialog.dart';
import 'package:fluffychat/views/widgets/encryption_button.dart';
import 'package:fluffychat/views/widgets/list_items/message.dart';
import 'package:fluffychat/views/widgets/matrix.dart';
import 'package:fluffychat/views/widgets/reply_content.dart';
import 'package:fluffychat/views/user_bottom_sheet.dart';
import 'package:fluffychat/config/app_emojis.dart';
import 'package:fluffychat/utils/matrix_locals.dart';
import 'package:fluffychat/utils/platform_infos.dart';
import 'package:fluffychat/utils/room_status_extension.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:scroll_to_index/scroll_to_index.dart';
import 'package:swipe_to_action/swipe_to_action.dart';
class ChatUI extends StatelessWidget {
final ChatController controller;
const ChatUI(this.controller, {Key key}) : super(key: key);
@override
Widget build(BuildContext context) {
controller.matrix = Matrix.of(context);
final client = controller.matrix.client;
controller.room ??= client.getRoomById(controller.widget.id);
if (controller.room == null) {
return Scaffold(
appBar: AppBar(
title: Text(L10n.of(context).oopsSomethingWentWrong),
),
body: Center(
child: Text(L10n.of(context).youAreNoLongerParticipatingInThisChat),
),
);
}
controller.matrix.client.activeRoomId = controller.widget.id;
if (controller.room.membership == Membership.invite) {
showFutureLoadingDialog(
context: context, future: () => controller.room.join());
}
return Scaffold(
appBar: AppBar(
leading: controller.selectMode
? IconButton(
icon: Icon(Icons.close),
onPressed: controller.clearSelectedEvents,
tooltip: L10n.of(context).close,
)
: AdaptivePageLayout.of(context).columnMode(context)
? null
: UnreadBadgeBackButton(roomId: controller.widget.id),
titleSpacing:
AdaptivePageLayout.of(context).columnMode(context) ? null : 0,
title: controller.selectedEvents.isEmpty
? StreamBuilder(
stream: controller.room.onUpdate.stream,
builder: (context, snapshot) => ListTile(
leading: Avatar(
controller.room.avatar, controller.room.displayname),
contentPadding: EdgeInsets.zero,
onTap: controller.room.isDirectChat
? () => showModalBottomSheet(
context: context,
builder: (c) => UserBottomSheet(
user: controller.room.getUserByMXIDSync(
controller.room.directChatMatrixID),
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outerContext: context,
onMention: () => controller
.sendController.text +=
'${controller.room.directChatMatrixID} ',
),
)
: () => (!AdaptivePageLayout.of(context)
.columnMode(context) ||
AdaptivePageLayout.of(context)
.viewDataStack
.length <
3)
? AdaptivePageLayout.of(context).pushNamed(
'/rooms/${controller.room.id}/details')
: null,
title: Text(
controller.room.getLocalizedDisplayname(
MatrixLocals(L10n.of(context))),
maxLines: 1),
subtitle: controller.room
.getLocalizedTypingText(context)
.isEmpty
? StreamBuilder<Object>(
stream: Matrix.of(context)
.client
.onPresence
.stream
.where((p) =>
p.senderId ==
controller.room.directChatMatrixID),
builder: (context, snapshot) => Text(
controller.room.getLocalizedStatus(context),
maxLines: 1,
//overflow: TextOverflow.ellipsis,
))
: Row(
children: <Widget>[
Icon(Icons.edit_outlined,
color: Theme.of(context).accentColor,
size: 13),
SizedBox(width: 4),
Expanded(
child: Text(
controller.room
.getLocalizedTypingText(context),
maxLines: 1,
style: TextStyle(
color: Theme.of(context).accentColor,
fontStyle: FontStyle.italic,
),
),
),
],
),
))
: Text(L10n.of(context)
.numberSelected(controller.selectedEvents.length.toString())),
actions: controller.selectMode
? <Widget>[
if (controller.selectedEvents.length == 1 &&
controller.selectedEvents.first.status > 0 &&
controller.selectedEvents.first.senderId == client.userID)
IconButton(
icon: Icon(Icons.edit_outlined),
tooltip: L10n.of(context).edit,
onPressed: controller.editSelectedEventAction,
),
PopupMenuButton(
onSelected: controller.onEventActionPopupMenuSelected,
itemBuilder: (_) => [
PopupMenuItem(
value: 'copy',
child: Text(L10n.of(context).copy),
),
if (controller.canRedactSelectedEvents)
PopupMenuItem(
value: 'redact',
child: Text(
L10n.of(context).redactMessage,
style: TextStyle(color: Colors.orange),
),
),
if (controller.selectedEvents.length == 1)
PopupMenuItem(
value: 'report',
child: Text(
L10n.of(context).reportMessage,
style: TextStyle(color: Colors.red),
),
),
],
),
]
: <Widget>[
if (controller.room.canSendDefaultStates)
IconButton(
tooltip: L10n.of(context).videoCall,
icon: Icon(Icons.video_call_outlined),
onPressed: controller.startCallAction,
),
ChatSettingsPopupMenu(
controller.room, !controller.room.isDirectChat),
],
),
floatingActionButton: controller.showScrollDownButton
? Padding(
padding: const EdgeInsets.only(bottom: 56.0),
child: FloatingActionButton(
onPressed: controller.scrollDown,
foregroundColor: Theme.of(context).textTheme.bodyText2.color,
backgroundColor: Theme.of(context).scaffoldBackgroundColor,
mini: true,
child: Icon(Icons.arrow_downward_outlined,
color: Theme.of(context).primaryColor),
),
)
: null,
body: Stack(
children: <Widget>[
if (Matrix.of(context).wallpaper != null)
Image.file(
Matrix.of(context).wallpaper,
width: double.infinity,
height: double.infinity,
fit: BoxFit.cover,
),
SafeArea(
child: Column(
children: <Widget>[
ConnectionStatusHeader(),
if (controller.room.getState(EventTypes.RoomTombstone) != null)
Container(
height: 72,
child: Material(
color: Theme.of(context).secondaryHeaderColor,
child: ListTile(
leading: CircleAvatar(
foregroundColor: Theme.of(context).accentColor,
backgroundColor: Theme.of(context).backgroundColor,
child: Icon(Icons.upgrade_outlined),
),
title: Text(
controller.room
.getState(EventTypes.RoomTombstone)
.parsedTombstoneContent
.body,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
subtitle: Text(L10n.of(context).goToTheNewRoom),
onTap: controller.goToNewRoomAction,
),
),
),
Expanded(
child: FutureBuilder<bool>(
future: controller.getTimeline(),
builder: (BuildContext context, snapshot) {
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if (controller.timeline == null) {
return Center(
child: CircularProgressIndicator(),
);
}
// create a map of eventId --> index to greatly improve performance of
// ListView's findChildIndexCallback
final thisEventsKeyMap = <String, int>{};
for (var i = 0;
i < controller.filteredEvents.length;
i++) {
thisEventsKeyMap[controller.filteredEvents[i].eventId] =
i;
}
final horizontalPadding = max(
0,
(MediaQuery.of(context).size.width -
FluffyThemes.columnWidth *
(AdaptivePageLayout.of(context)
.currentViewData
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?.rightView !=
null
? 4.5
: 3.5)) /
2)
.toDouble();
return ListView.custom(
padding: EdgeInsets.only(
top: 16,
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bottom: 4,
left: horizontalPadding,
right: horizontalPadding,
),
reverse: true,
controller: controller.scrollController,
childrenDelegate: SliverChildBuilderDelegate(
(BuildContext context, int i) {
return i == controller.filteredEvents.length + 1
? controller.timeline.isRequestingHistory
? Container(
height: 50,
alignment: Alignment.center,
padding: EdgeInsets.all(8),
child: CircularProgressIndicator(),
)
: controller.canLoadMore
? TextButton(
onPressed:
controller.requestHistory,
child: Text(
L10n.of(context).loadMore,
style: TextStyle(
color: Theme.of(context)
.primaryColor,
fontWeight: FontWeight.bold,
decoration:
TextDecoration.underline,
),
),
)
: Container()
: i == 0
? StreamBuilder(
stream: controller.room.onUpdate.stream,
builder: (_, __) {
final seenByText = controller.room
.getLocalizedSeenByText(
context,
controller.timeline,
controller.filteredEvents,
controller.unfolded,
);
return AnimatedContainer(
height: seenByText.isEmpty ? 0 : 24,
duration: seenByText.isEmpty
? Duration(milliseconds: 0)
: Duration(milliseconds: 300),
alignment: controller.filteredEvents
.first.senderId ==
client.userID
? Alignment.topRight
: Alignment.topLeft,
padding: EdgeInsets.only(
left: 8,
right: 8,
bottom: 8,
),
child: Container(
padding: EdgeInsets.symmetric(
horizontal: 4),
decoration: BoxDecoration(
color: Theme.of(context)
.scaffoldBackgroundColor
.withOpacity(0.8),
borderRadius:
BorderRadius.circular(4),
),
child: Text(
seenByText,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(
color: Theme.of(context)
.accentColor,
),
),
),
);
},
)
: AutoScrollTag(
key: ValueKey(controller
.filteredEvents[i - 1].eventId),
index: i - 1,
controller: controller.scrollController,
child: Swipeable(
key: ValueKey(controller
.filteredEvents[i - 1].eventId),
background: Padding(
padding: EdgeInsets.symmetric(
horizontal: 12.0),
child: Center(
child: Icon(Icons.reply_outlined),
),
),
direction: SwipeDirection.endToStart,
onSwipe: (direction) =>
controller.replyAction(
replyTo: controller
.filteredEvents[i - 1]),
child: Message(
controller.filteredEvents[i - 1],
onAvatarTab: (Event event) =>
showModalBottomSheet(
context: context,
builder: (c) =>
UserBottomSheet(
user: event.sender,
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outerContext: context,
onMention: () => controller
.sendController
.text +=
'${event.senderId} ',
),
),
unfold: controller.unfold,
onSelect:
controller.onSelectMessage,
scrollToEventId:
(String eventId) => controller
.scrollToEventId(eventId),
longPressSelect: controller
.selectedEvents.isEmpty,
selected: controller
.selectedEvents
.contains(controller
.filteredEvents[i - 1]),
timeline: controller.timeline,
nextEvent: i >= 2
? controller
.filteredEvents[i - 2]
: null),
),
);
},
childCount: controller.filteredEvents.length + 2,
findChildIndexCallback: (key) => controller
.findChildIndexCallback(key, thisEventsKeyMap),
),
);
},
),
),
AnimatedContainer(
duration: Duration(milliseconds: 300),
height: (controller.editEvent == null &&
controller.replyEvent == null &&
controller.room.canSendDefaultMessages &&
controller.selectedEvents.length == 1)
? 56
: 0,
child: Material(
color: Theme.of(context).secondaryHeaderColor,
child: Builder(builder: (context) {
if (!(controller.editEvent == null &&
controller.replyEvent == null &&
controller.selectedEvents.length == 1)) {
return Container();
}
final emojis = List<String>.from(AppEmojis.emojis);
final allReactionEvents = controller.selectedEvents.first
.aggregatedEvents(
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controller.timeline, RelationshipTypes.reaction)
?.where((event) =>
event.senderId == event.room.client.userID &&
event.type == 'm.reaction');
allReactionEvents.forEach((event) {
try {
emojis.remove(event.content['m.relates_to']['key']);
} catch (_) {}
});
return ListView.builder(
scrollDirection: Axis.horizontal,
itemCount: emojis.length + 1,
itemBuilder: (c, i) => i == emojis.length
? InkWell(
borderRadius: BorderRadius.circular(8),
onTap: () => controller
.pickEmojiAction(allReactionEvents),
child: Container(
width: 56,
height: 56,
alignment: Alignment.center,
child: Icon(Icons.add_outlined),
),
)
: InkWell(
borderRadius: BorderRadius.circular(8),
onTap: () =>
controller.sendEmojiAction(emojis[i]),
child: Container(
width: 56,
height: 56,
alignment: Alignment.center,
child: Text(
emojis[i],
style: TextStyle(fontSize: 30),
),
),
),
);
}),
),
),
AnimatedContainer(
duration: Duration(milliseconds: 300),
height: controller.editEvent != null ||
controller.replyEvent != null
? 56
: 0,
child: Material(
color: Theme.of(context).secondaryHeaderColor,
child: Row(
children: <Widget>[
IconButton(
tooltip: L10n.of(context).close,
icon: Icon(Icons.close),
onPressed: controller.cancelReplyEventAction,
),
Expanded(
child: controller.replyEvent != null
? ReplyContent(controller.replyEvent,
timeline: controller.timeline)
: _EditContent(controller.editEvent
?.getDisplayEvent(controller.timeline)),
),
],
),
),
),
Divider(
height: 1,
thickness: 1,
),
controller.room.canSendDefaultMessages &&
controller.room.membership == Membership.join
? Container(
decoration: BoxDecoration(
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color: Theme.of(context).scaffoldBackgroundColor,
),
child: Row(
crossAxisAlignment: CrossAxisAlignment.end,
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: controller.selectMode
? <Widget>[
Container(
height: 56,
child: TextButton(
onPressed: controller.forwardEventsAction,
child: Row(
children: <Widget>[
Icon(Icons
.keyboard_arrow_left_outlined),
Text(L10n.of(context).forward),
],
),
),
),
controller.selectedEvents.length == 1
? controller.selectedEvents.first
.getDisplayEvent(
controller.timeline)
.status >
0
? Container(
height: 56,
child: TextButton(
onPressed:
controller.replyAction,
child: Row(
children: <Widget>[
Text(
L10n.of(context).reply),
Icon(Icons
.keyboard_arrow_right),
],
),
),
)
: Container(
height: 56,
child: TextButton(
onPressed:
controller.sendAgainAction,
child: Row(
children: <Widget>[
Text(L10n.of(context)
.tryToSendAgain),
SizedBox(width: 4),
Icon(Icons.send_outlined,
size: 16),
],
),
),
)
: Container(),
]
: <Widget>[
if (controller.inputText.isEmpty)
Container(
height: 56,
alignment: Alignment.center,
child: PopupMenuButton<String>(
icon: Icon(Icons.add_outlined),
onSelected: controller
.onAddPopupMenuButtonSelected,
itemBuilder: (BuildContext context) =>
<PopupMenuEntry<String>>[
PopupMenuItem<String>(
value: 'file',
child: ListTile(
leading: CircleAvatar(
backgroundColor: Colors.green,
foregroundColor: Colors.white,
child: Icon(
Icons.attachment_outlined),
),
title: Text(
L10n.of(context).sendFile),
contentPadding: EdgeInsets.all(0),
),
),
PopupMenuItem<String>(
value: 'image',
child: ListTile(
leading: CircleAvatar(
backgroundColor: Colors.blue,
foregroundColor: Colors.white,
child:
Icon(Icons.image_outlined),
),
title: Text(
L10n.of(context).sendImage),
contentPadding: EdgeInsets.all(0),
),
),
if (PlatformInfos.isMobile)
PopupMenuItem<String>(
value: 'camera',
child: ListTile(
leading: CircleAvatar(
backgroundColor:
Colors.purple,
foregroundColor: Colors.white,
child: Icon(Icons
.camera_alt_outlined),
),
title: Text(L10n.of(context)
.openCamera),
contentPadding:
EdgeInsets.all(0),
),
),
if (PlatformInfos.isMobile)
PopupMenuItem<String>(
value: 'voice',
child: ListTile(
leading: CircleAvatar(
backgroundColor: Colors.red,
foregroundColor: Colors.white,
child: Icon(
Icons.mic_none_outlined),
),
title: Text(L10n.of(context)
.voiceMessage),
contentPadding:
EdgeInsets.all(0),
),
),
],
),
),
Container(
height: 56,
alignment: Alignment.center,
child: EncryptionButton(controller.room),
),
Expanded(
child: Padding(
padding: const EdgeInsets.symmetric(
vertical: 4.0),
child: InputBar(
room: controller.room,
minLines: 1,
maxLines: kIsWeb ? 1 : 8,
autofocus: !PlatformInfos.isMobile,
keyboardType: !PlatformInfos.isMobile
? TextInputType.text
: TextInputType.multiline,
onSubmitted:
controller.onInputBarSubmitted,
focusNode: controller.inputFocus,
controller: controller.sendController,
decoration: InputDecoration(
hintText:
L10n.of(context).writeAMessage,
hintMaxLines: 1,
border: InputBorder.none,
enabledBorder: InputBorder.none,
filled: false,
),
onChanged: controller.onInputBarChanged,
),
),
),
if (PlatformInfos.isMobile &&
controller.inputText.isEmpty)
Container(
height: 56,
alignment: Alignment.center,
child: IconButton(
tooltip: L10n.of(context).voiceMessage,
icon: Icon(Icons.mic_none_outlined),
onPressed:
controller.voiceMessageAction,
),
),
if (!PlatformInfos.isMobile ||
controller.inputText.isNotEmpty)
Container(
height: 56,
alignment: Alignment.center,
child: IconButton(
icon: Icon(Icons.send_outlined),
onPressed: controller.send,
tooltip: L10n.of(context).send,
),
),
],
),
)
: Container(),
],
),
),
],
),
);
}
}
class _EditContent extends StatelessWidget {
final Event event;
_EditContent(this.event);
@override
Widget build(BuildContext context) {
if (event == null) {
return Container();
}
return Row(
children: <Widget>[
Icon(
Icons.edit,
color: Theme.of(context).primaryColor,
),
Container(width: 15.0),
Text(
event?.getLocalizedBody(
MatrixLocals(L10n.of(context)),
withSenderNamePrefix: false,
hideReply: true,
) ??
'',
overflow: TextOverflow.ellipsis,
maxLines: 1,
style: TextStyle(
color: Theme.of(context).textTheme.bodyText2.color,
),
),
],
);
}
}