220 lines
9.9 KiB
Dart
220 lines
9.9 KiB
Dart
/*
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* Famedly Matrix SDK
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* Copyright (C) 2019, 2020, 2021 Famedly GmbH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import 'package:collection/collection.dart';
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import '../../encryption.dart';
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import '../../matrix.dart';
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abstract class EventLocalizations {
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// As we need to create the localized body off of a different set of parameters, we
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// might create it with `event.plaintextBody`, maybe with `event.body`, maybe with the
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// reply fallback stripped, and maybe with the new body in `event.content['m.new_content']`.
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// Thus, it seems easier to offload that logic into `Event.getLocalizedBody()` and pass the
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// `body` variable around here.
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static String _localizedBodyNormalMessage(
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Event event, MatrixLocalizations i18n, String body) {
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switch (event.messageType) {
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case MessageTypes.Image:
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return i18n.sentAPicture(event.sender.calcDisplayname());
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case MessageTypes.File:
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return i18n.sentAFile(event.sender.calcDisplayname());
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case MessageTypes.Audio:
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return i18n.sentAnAudio(event.sender.calcDisplayname());
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case MessageTypes.Video:
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return i18n.sentAVideo(event.sender.calcDisplayname());
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case MessageTypes.Location:
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return i18n.sharedTheLocation(event.sender.calcDisplayname());
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case MessageTypes.Sticker:
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return i18n.sentASticker(event.sender.calcDisplayname());
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case MessageTypes.Emote:
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return '* $body';
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case MessageTypes.BadEncrypted:
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String errorText;
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switch (event.body) {
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case DecryptException.channelCorrupted:
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errorText = i18n.channelCorruptedDecryptError + '.';
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break;
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case DecryptException.notEnabled:
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errorText = i18n.encryptionNotEnabled + '.';
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break;
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case DecryptException.unknownAlgorithm:
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errorText = i18n.unknownEncryptionAlgorithm + '.';
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break;
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case DecryptException.unknownSession:
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errorText = i18n.noPermission + '.';
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break;
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default:
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errorText = body;
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break;
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}
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return i18n.couldNotDecryptMessage(errorText);
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case MessageTypes.Text:
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case MessageTypes.Notice:
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case MessageTypes.None:
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default:
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return body;
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}
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}
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// This map holds how to localize event types, and thus which event types exist.
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// If an event exists but it does not have a localized body, set its callback to null
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static final Map<String,
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String Function(Event event, MatrixLocalizations i18n, String body)?>
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localizationsMap = {
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EventTypes.Sticker: (event, i18n, body) =>
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i18n.sentASticker(event.sender.calcDisplayname()),
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EventTypes.Redaction: (event, i18n, body) =>
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i18n.redactedAnEvent(event.sender.calcDisplayname()),
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EventTypes.RoomAliases: (event, i18n, body) =>
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i18n.changedTheRoomAliases(event.sender.calcDisplayname()),
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EventTypes.RoomCanonicalAlias: (event, i18n, body) =>
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i18n.changedTheRoomInvitationLink(event.sender.calcDisplayname()),
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EventTypes.RoomCreate: (event, i18n, body) =>
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i18n.createdTheChat(event.sender.calcDisplayname()),
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EventTypes.RoomTombstone: (event, i18n, body) => i18n.roomHasBeenUpgraded,
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EventTypes.RoomJoinRules: (event, i18n, body) {
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final joinRules = JoinRules.values.firstWhereOrNull((r) =>
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r.toString().replaceAll('JoinRules.', '') ==
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event.content['join_rule']);
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if (joinRules == null) {
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return i18n.changedTheJoinRules(event.sender.calcDisplayname());
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} else {
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return i18n.changedTheJoinRulesTo(
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event.sender.calcDisplayname(), joinRules.getLocalizedString(i18n));
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}
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},
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EventTypes.RoomMember: (event, i18n, body) {
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var text = 'Failed to parse member event';
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final targetName = event.stateKeyUser?.calcDisplayname() ?? '';
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// Has the membership changed?
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final newMembership = event.content['membership'] ?? '';
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final oldMembership = event.prevContent?['membership'] ?? '';
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if (newMembership != oldMembership) {
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if (oldMembership == 'invite' && newMembership == 'join') {
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text = i18n.acceptedTheInvitation(targetName);
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} else if (oldMembership == 'invite' && newMembership == 'leave') {
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if (event.stateKey == event.senderId) {
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text = i18n.rejectedTheInvitation(targetName);
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} else {
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text = i18n.hasWithdrawnTheInvitationFor(
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event.sender.calcDisplayname(), targetName);
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}
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} else if (oldMembership == 'leave' && newMembership == 'join') {
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text = i18n.joinedTheChat(targetName);
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} else if (oldMembership == 'join' && newMembership == 'ban') {
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text =
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i18n.kickedAndBanned(event.sender.calcDisplayname(), targetName);
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} else if (oldMembership == 'join' &&
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newMembership == 'leave' &&
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event.stateKey != event.senderId) {
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text = i18n.kicked(event.sender.calcDisplayname(), targetName);
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} else if (oldMembership == 'join' &&
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newMembership == 'leave' &&
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event.stateKey == event.senderId) {
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text = i18n.userLeftTheChat(targetName);
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} else if (oldMembership == 'invite' && newMembership == 'ban') {
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text = i18n.bannedUser(event.sender.calcDisplayname(), targetName);
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} else if (oldMembership == 'leave' && newMembership == 'ban') {
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text = i18n.bannedUser(event.sender.calcDisplayname(), targetName);
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} else if (oldMembership == 'ban' && newMembership == 'leave') {
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text = i18n.unbannedUser(event.sender.calcDisplayname(), targetName);
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} else if (newMembership == 'invite') {
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text = i18n.invitedUser(event.sender.calcDisplayname(), targetName);
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} else if (newMembership == 'join') {
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text = i18n.joinedTheChat(targetName);
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}
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} else if (newMembership == 'join') {
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final newAvatar = event.content.tryGet<String>('avatar_url') ?? '';
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final oldAvatar = event.prevContent?.tryGet<String>('avatar_url') ?? '';
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final newDisplayname =
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event.content.tryGet<String>('displayname') ?? '';
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final oldDisplayname =
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event.prevContent?.tryGet<String>('displayname') ?? '';
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final stateKey = event.stateKey;
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// Has the user avatar changed?
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if (newAvatar != oldAvatar) {
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text = i18n.changedTheProfileAvatar(targetName);
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}
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// Has the user displayname changed?
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else if (newDisplayname != oldDisplayname && stateKey != null) {
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text = i18n.changedTheDisplaynameTo(stateKey, newDisplayname);
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}
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}
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return text;
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},
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EventTypes.RoomPowerLevels: (event, i18n, body) =>
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i18n.changedTheChatPermissions(event.sender.calcDisplayname()),
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EventTypes.RoomName: (event, i18n, body) => i18n.changedTheChatNameTo(
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event.sender.calcDisplayname(), event.content['name']),
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EventTypes.RoomTopic: (event, i18n, body) =>
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i18n.changedTheChatDescriptionTo(
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event.sender.calcDisplayname(), event.content['topic']),
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EventTypes.RoomAvatar: (event, i18n, body) =>
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i18n.changedTheChatAvatar(event.sender.calcDisplayname()),
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EventTypes.GuestAccess: (event, i18n, body) {
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final guestAccess = GuestAccess.values.firstWhereOrNull((r) =>
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r.toString().replaceAll('GuestAccess.', '') ==
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event.content['guest_access']);
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if (guestAccess == null) {
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return i18n.changedTheGuestAccessRules(event.sender.calcDisplayname());
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} else {
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return i18n.changedTheGuestAccessRulesTo(event.sender.calcDisplayname(),
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guestAccess.getLocalizedString(i18n));
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}
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},
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EventTypes.HistoryVisibility: (event, i18n, body) {
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final historyVisibility = HistoryVisibility.values.firstWhereOrNull((r) =>
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r.toString().replaceAll('HistoryVisibility.', '') ==
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event.content['history_visibility']);
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if (historyVisibility == null) {
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return i18n.changedTheHistoryVisibility(event.sender.calcDisplayname());
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} else {
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return i18n.changedTheHistoryVisibilityTo(
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event.sender.calcDisplayname(),
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historyVisibility.getLocalizedString(i18n));
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}
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},
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EventTypes.Encryption: (event, i18n, body) {
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var localizedBody =
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i18n.activatedEndToEndEncryption(event.sender.calcDisplayname());
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if (event.room.client.encryptionEnabled == false) {
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localizedBody += '. ' + i18n.needPantalaimonWarning;
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}
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return localizedBody;
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},
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EventTypes.CallAnswer: (event, i18n, body) =>
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i18n.answeredTheCall(event.sender.calcDisplayname()),
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EventTypes.CallHangup: (event, i18n, body) =>
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i18n.endedTheCall(event.sender.calcDisplayname()),
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EventTypes.CallInvite: (event, i18n, body) =>
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i18n.startedACall(event.sender.calcDisplayname()),
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EventTypes.CallCandidates: (event, i18n, body) =>
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i18n.sentCallInformations(event.sender.calcDisplayname()),
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EventTypes.Encrypted: (event, i18n, body) =>
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_localizedBodyNormalMessage(event, i18n, body),
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EventTypes.Message: (event, i18n, body) =>
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_localizedBodyNormalMessage(event, i18n, body),
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EventTypes.Reaction: (event, i18n, body) =>
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_localizedBodyNormalMessage(event, i18n, body),
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};
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}
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