fluffychat/lib/pages/views/chat_view.dart

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import 'dart:ui';
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import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
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import 'package:emoji_picker_flutter/emoji_picker_flutter.dart';
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import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:future_loading_dialog/future_loading_dialog.dart';
import 'package:matrix/matrix.dart';
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import 'package:scroll_to_index/scroll_to_index.dart';
import 'package:swipe_to_action/swipe_to_action.dart';
import 'package:vrouter/vrouter.dart';
import 'package:fluffychat/config/app_config.dart';
import 'package:fluffychat/config/app_emojis.dart';
import 'package:fluffychat/config/themes.dart';
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import 'package:fluffychat/pages/chat.dart';
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import 'package:fluffychat/pages/user_bottom_sheet.dart';
import 'package:fluffychat/utils/matrix_sdk_extensions.dart/matrix_locals.dart';
import 'package:fluffychat/utils/platform_infos.dart';
import 'package:fluffychat/utils/room_status_extension.dart';
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import 'package:fluffychat/widgets/avatar.dart';
import 'package:fluffychat/widgets/chat_settings_popup_menu.dart';
import 'package:fluffychat/widgets/connection_status_header.dart';
import 'package:fluffychat/widgets/encryption_button.dart';
import 'package:fluffychat/widgets/event_content/message.dart';
import 'package:fluffychat/widgets/event_content/reply_content.dart';
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import 'package:fluffychat/widgets/input_bar.dart';
import 'package:fluffychat/widgets/matrix.dart';
import 'package:fluffychat/widgets/unread_badge_back_button.dart';
import '../../utils/stream_extension.dart';
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class ChatView extends StatelessWidget {
final ChatController controller;
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const ChatView(this.controller, {Key key}) : super(key: key);
@override
Widget build(BuildContext context) {
controller.matrix ??= Matrix.of(context);
final client = controller.matrix.client;
controller.sendingClient ??= client;
controller.room = controller.sendingClient.getRoomById(controller.roomId);
if (controller.room == null) {
return Scaffold(
appBar: AppBar(
title: Text(L10n.of(context).oopsSomethingWentWrong),
),
body: Center(
child: Text(L10n.of(context).youAreNoLongerParticipatingInThisChat),
),
);
}
if (controller.room.membership == Membership.invite) {
showFutureLoadingDialog(
context: context, future: () => controller.room.join());
}
return VWidgetGuard(
onSystemPop: (redirector) async {
if (controller.selectedEvents.isNotEmpty) {
controller.clearSelectedEvents();
redirector.stopRedirection();
}
},
child: StreamBuilder(
stream: controller.room.onUpdate.stream
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.rateLimit(const Duration(milliseconds: 250)),
builder: (context, snapshot) => Scaffold(
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appBar: AppBar(
actionsIconTheme: IconThemeData(
color: controller.selectedEvents.isEmpty
? null
: Theme.of(context).colorScheme.primary,
),
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leading: controller.selectMode
? IconButton(
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icon: const Icon(Icons.close),
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onPressed: controller.clearSelectedEvents,
tooltip: L10n.of(context).close,
color: Theme.of(context).colorScheme.primary,
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)
: UnreadBadgeBackButton(roomId: controller.roomId),
titleSpacing: 0,
title: controller.selectedEvents.isEmpty
? 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),
outerContext: context,
onMention: () => controller
.sendController.text +=
'${controller.room.getUserByMXIDSync(controller.room.directChatMatrixID).mention} ',
),
)
: () => VRouter.of(context).toSegments(
['rooms', controller.room.id, 'details']),
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)
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.rateLimit(const Duration(seconds: 1)),
builder: (context, snapshot) => Text(
controller.room.getLocalizedStatus(context),
maxLines: 1,
//overflow: TextOverflow.ellipsis,
))
: Row(
children: <Widget>[
Icon(Icons.edit_outlined,
color:
Theme.of(context).colorScheme.secondary,
size: 13),
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const SizedBox(width: 4),
Expanded(
child: Text(
controller.room
.getLocalizedTypingText(context),
maxLines: 1,
style: TextStyle(
color:
Theme.of(context).colorScheme.secondary,
fontStyle: FontStyle.italic,
),
),
),
],
),
)
: Text(controller.selectedEvents.length.toString()),
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actions: controller.selectMode
? <Widget>[
if (controller.canEditSelectedEvents)
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IconButton(
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icon: const Icon(Icons.edit_outlined),
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tooltip: L10n.of(context).edit,
onPressed: controller.editSelectedEventAction,
),
IconButton(
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icon: const Icon(Icons.copy_outlined),
tooltip: L10n.of(context).copy,
onPressed: controller.copyEventsAction,
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),
if (controller.selectedEvents.length == 1)
IconButton(
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icon: const Icon(Icons.report_outlined),
tooltip: L10n.of(context).reportMessage,
onPressed: controller.reportEventAction,
),
if (controller.canRedactSelectedEvents)
IconButton(
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icon: const Icon(Icons.delete_outlined),
tooltip: L10n.of(context).redactMessage,
onPressed: controller.redactEventsAction,
),
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]
: <Widget>[
if (controller.room.canSendDefaultStates)
IconButton(
tooltip: L10n.of(context).videoCall,
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icon: const Icon(Icons.video_call_outlined),
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onPressed: controller.startCallAction,
),
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ChatSettingsPopupMenu(
controller.room, !controller.room.isDirectChat),
],
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),
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),
),
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)
: 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>[
if (controller.room.getState(EventTypes.RoomTombstone) !=
null)
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SizedBox(
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height: 72,
child: Material(
color: Theme.of(context).secondaryHeaderColor,
elevation: 1,
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child: ListTile(
leading: CircleAvatar(
foregroundColor:
Theme.of(context).colorScheme.secondary,
backgroundColor:
Theme.of(context).backgroundColor,
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child: const Icon(Icons.upgrade_outlined),
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),
title: Text(
controller.room
.getState(EventTypes.RoomTombstone)
.parsedTombstoneContent
.body,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
subtitle: Text(L10n.of(context).goToTheNewRoom),
onTap: controller.goToNewRoomAction,
),
),
),
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Expanded(
child: FutureBuilder<bool>(
future: controller.getTimeline(),
builder: (BuildContext context, snapshot) {
if (controller.timeline == null) {
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return const Center(
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child: CircularProgressIndicator.adaptive(
strokeWidth: 2),
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);
}
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// 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 seenByText =
controller.room.getLocalizedSeenByText(
context,
controller.timeline,
controller.filteredEvents,
controller.unfolded,
);
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return ListView.custom(
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padding: const EdgeInsets.only(
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top: 16,
bottom: 4,
),
reverse: true,
controller: controller.scrollController,
keyboardDismissBehavior: PlatformInfos.isIOS
? ScrollViewKeyboardDismissBehavior.onDrag
: ScrollViewKeyboardDismissBehavior.manual,
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childrenDelegate: SliverChildBuilderDelegate(
(BuildContext context, int i) {
return i == controller.filteredEvents.length + 1
? controller.timeline.isRequestingHistory
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? const Center(
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child: CircularProgressIndicator
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.adaptive(strokeWidth: 2),
)
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: controller.canLoadMore
? Center(
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child: OutlinedButton(
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style:
OutlinedButton.styleFrom(
backgroundColor: Theme.of(
context)
.scaffoldBackgroundColor,
),
onPressed:
controller.requestHistory,
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child: Text(L10n.of(context)
.loadMore),
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),
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)
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: Container()
: i == 0
? AnimatedContainer(
height: seenByText.isEmpty ? 0 : 24,
duration: seenByText.isEmpty
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? const Duration(
milliseconds: 0)
: const Duration(
milliseconds: 300),
alignment: controller.filteredEvents
.isNotEmpty &&
controller.filteredEvents
.first.senderId ==
client.userID
? Alignment.topRight
: Alignment.topLeft,
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padding: const EdgeInsets.only(
left: 8,
right: 8,
bottom: 8,
),
child: Container(
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padding:
const 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)
.colorScheme
.secondary,
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),
),
),
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)
: AutoScrollTag(
key: ValueKey(controller
.filteredEvents[i - 1].eventId),
index: i - 1,
controller:
controller.scrollController,
child: Swipeable(
key: ValueKey(controller
.filteredEvents[i - 1]
.eventId),
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background: const Padding(
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padding: EdgeInsets.symmetric(
horizontal: 12.0),
child: Center(
child: Icon(
Icons.reply_outlined),
),
),
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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,
outerContext: context,
onMention: () => controller
.sendController
.text +=
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'${event.sender.mention} ',
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),
),
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),
),
);
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},
childCount: controller.filteredEvents.length + 2,
findChildIndexCallback: (key) =>
controller.findChildIndexCallback(
key, thisEventsKeyMap),
),
);
},
),
),
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const ConnectionStatusHeader(),
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if (!controller.showEmojiPicker)
AnimatedContainer(
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duration: const Duration(milliseconds: 300),
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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(controller.timeline,
RelationshipTypes.reaction)
?.where((event) =>
event.senderId ==
event.room.client.userID &&
event.type == 'm.reaction');
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for (final event in allReactionEvents) {
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try {
emojis.remove(
event.content['m.relates_to']['key']);
} catch (_) {}
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}
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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,
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child: const Icon(Icons.add_outlined),
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),
)
: InkWell(
borderRadius: BorderRadius.circular(8),
onTap: () =>
controller.sendEmojiAction(emojis[i]),
child: Container(
width: 56,
height: 56,
alignment: Alignment.center,
child: Text(
emojis[i],
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style: const TextStyle(fontSize: 30),
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),
),
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),
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);
}),
),
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),
AnimatedContainer(
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duration: const Duration(milliseconds: 300),
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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,
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icon: const Icon(Icons.close),
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onPressed: controller.cancelReplyEventAction,
),
Expanded(
child: controller.replyEvent != null
? ReplyContent(controller.replyEvent,
timeline: controller.timeline)
: _EditContent(controller.editEvent
?.getDisplayEvent(controller.timeline)),
),
],
),
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),
),
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if (controller.showScrollDownButton)
const Divider(
height: 1,
),
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if (controller.room.canSendDefaultMessages &&
controller.room.membership == Membership.join &&
!controller.showEmojiPicker)
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Padding(
padding: EdgeInsets.all(
FluffyThemes.isColumnMode(context) ? 16.0 : 8.0),
child: Material(
borderRadius:
BorderRadius.circular(AppConfig.borderRadius),
elevation: 4,
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color: Theme.of(context).scaffoldBackgroundColor,
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child: Row(
crossAxisAlignment: CrossAxisAlignment.end,
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: controller.selectMode
? <Widget>[
SizedBox(
height: 56,
child: TextButton(
onPressed:
controller.forwardEventsAction,
child: Row(
children: <Widget>[
const Icon(Icons
.keyboard_arrow_left_outlined),
Text(L10n.of(context).forward),
],
),
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),
),
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controller.selectedEvents.length == 1
? controller.selectedEvents.first
.getDisplayEvent(
controller.timeline)
.status
.isSent
? SizedBox(
height: 56,
child: TextButton(
onPressed:
controller.replyAction,
child: Row(
children: <Widget>[
Text(L10n.of(context)
.reply),
const Icon(Icons
.keyboard_arrow_right),
],
),
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),
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)
: SizedBox(
height: 56,
child: TextButton(
onPressed: controller
.sendAgainAction,
child: Row(
children: <Widget>[
Text(L10n.of(context)
.tryToSendAgain),
const SizedBox(width: 4),
const Icon(
Icons.send_outlined,
size: 16),
],
),
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),
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)
: Container(),
]
: <Widget>[
AnimatedContainer(
duration:
const Duration(milliseconds: 200),
height: 56,
width:
controller.inputText.isEmpty ? 56 : 0,
alignment: Alignment.center,
clipBehavior: Clip.hardEdge,
decoration: const BoxDecoration(),
child: PopupMenuButton<String>(
icon: const Icon(Icons.add_outlined),
onSelected: controller
.onAddPopupMenuButtonSelected,
itemBuilder: (BuildContext context) =>
<PopupMenuEntry<String>>[
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PopupMenuItem<String>(
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value: 'file',
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child: ListTile(
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leading: const CircleAvatar(
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backgroundColor: Colors.green,
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foregroundColor: Colors.white,
child: Icon(
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Icons.attachment_outlined),
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),
title: Text(
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L10n.of(context).sendFile),
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contentPadding:
const EdgeInsets.all(0),
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),
),
PopupMenuItem<String>(
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value: 'image',
child: ListTile(
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leading: const CircleAvatar(
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backgroundColor: Colors.blue,
foregroundColor: Colors.white,
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child:
Icon(Icons.image_outlined),
),
title: Text(
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L10n.of(context).sendImage),
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contentPadding:
const EdgeInsets.all(0),
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),
),
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if (PlatformInfos.isMobile)
PopupMenuItem<String>(
value: 'camera',
child: ListTile(
leading: const CircleAvatar(
backgroundColor:
Colors.purple,
foregroundColor: Colors.white,
child: Icon(Icons
.camera_alt_outlined),
),
title: Text(L10n.of(context)
.openCamera),
contentPadding:
const EdgeInsets.all(0),
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),
),
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if (controller.room
.getImagePacks(
ImagePackUsage.sticker)
.isNotEmpty)
PopupMenuItem<String>(
value: 'sticker',
child: ListTile(
leading: const CircleAvatar(
backgroundColor:
Colors.orange,
foregroundColor: Colors.white,
child: Icon(Icons
.emoji_emotions_outlined),
),
title: Text(L10n.of(context)
.sendSticker),
contentPadding:
const EdgeInsets.all(0),
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),
),
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if (PlatformInfos.isMobile)
PopupMenuItem<String>(
value: 'voice',
child: ListTile(
leading: const CircleAvatar(
backgroundColor: Colors.red,
foregroundColor: Colors.white,
child: Icon(
Icons.mic_none_outlined),
),
title: Text(L10n.of(context)
.voiceMessage),
contentPadding:
const EdgeInsets.all(0),
),
),
if (PlatformInfos.isMobile)
PopupMenuItem<String>(
value: 'location',
child: ListTile(
leading: const CircleAvatar(
backgroundColor: Colors.brown,
foregroundColor: Colors.white,
child: Icon(
Icons.gps_fixed_outlined),
),
title: Text(L10n.of(context)
.shareLocation),
contentPadding:
const EdgeInsets.all(0),
),
),
],
),
),
Container(
height: 56,
alignment: Alignment.center,
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child: EncryptionButton(controller.room),
),
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if (controller.matrix.isMultiAccount &&
controller.matrix.hasComplexBundles &&
controller.matrix.currentBundle.length >
1)
Container(
height: 56,
alignment: Alignment.center,
child: _ChatAccountPicker(controller),
),
Expanded(
child: Padding(
padding: const EdgeInsets.symmetric(
vertical: 4.0),
child: InputBar(
room: controller.room,
minLines: 1,
maxLines: 8,
autofocus: !PlatformInfos.isMobile,
keyboardType: TextInputType.multiline,
textInputAction: AppConfig.sendOnEnter
? TextInputAction.send
: null,
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,
),
),
),
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if (PlatformInfos.isMobile &&
controller.inputText.isEmpty)
Container(
height: 56,
alignment: Alignment.center,
child: IconButton(
tooltip:
L10n.of(context).voiceMessage,
icon: const Icon(
Icons.mic_none_outlined),
onPressed:
controller.voiceMessageAction,
),
),
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if (!PlatformInfos.isMobile ||
controller.inputText.isNotEmpty)
Container(
height: 56,
alignment: Alignment.center,
child: IconButton(
icon: const Icon(Icons.send_outlined),
onPressed: controller.send,
tooltip: L10n.of(context).send,
),
),
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],
),
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),
),
AnimatedContainer(
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duration: const Duration(milliseconds: 300),
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height: controller.showEmojiPicker
? MediaQuery.of(context).size.height / 2
: 0,
child: controller.showEmojiPicker
? EmojiPicker(
onEmojiSelected: controller.onEmojiSelected,
onBackspacePressed: controller.cancelEmojiPicker,
)
: null,
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),
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],
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),
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),
],
),
),
),
);
}
}
class _EditContent extends StatelessWidget {
final Event event;
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const _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,
),
),
],
);
}
}
class _ChatAccountPicker extends StatelessWidget {
final ChatController controller;
const _ChatAccountPicker(this.controller, {Key key}) : super(key: key);
void _popupMenuButtonSelected(String mxid) {
final client = controller.matrix.currentBundle
.firstWhere((cl) => cl.userID == mxid, orElse: () => null);
if (client == null) {
Logs().w('Attempted to switch to a non-existing client $mxid');
return;
}
controller.setSendingClient(client);
}
@override
Widget build(BuildContext context) {
controller.matrix ??= Matrix.of(context);
final clients = controller.currentRoomBundle;
return Padding(
padding: const EdgeInsets.all(8.0),
child: FutureBuilder<Profile>(
future: controller.sendingClient.ownProfile,
builder: (context, snapshot) => PopupMenuButton<String>(
onSelected: _popupMenuButtonSelected,
itemBuilder: (BuildContext context) => clients
.map((client) => PopupMenuItem<String>(
value: client.userID,
child: FutureBuilder<Profile>(
future: client.ownProfile,
builder: (context, snapshot) => ListTile(
leading: Avatar(
snapshot.data?.avatarUrl,
snapshot.data?.displayName ?? client.userID.localpart,
size: 20,
),
title:
Text(snapshot.data?.displayName ?? client.userID),
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contentPadding: const EdgeInsets.all(0),
),
),
))
.toList(),
child: Avatar(
snapshot.data?.avatarUrl,
snapshot.data?.displayName ??
controller.matrix.client.userID.localpart,
size: 20,
),
),
),
);
}
}