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	diff --git a/src/contents/ui/Bubble.qml b/src/contents/ui/Bubble.qml
	index d399948..76c92d9 100644
	--- a/src/contents/ui/Bubble.qml
	+++ b/src/contents/ui/Bubble.qml
	@@ -1,262 +1,262 @@
	/*
	* This file is part of kazv.
	* SPDX-FileCopyrightText: 2020-2023 tusooa <tusooa@kazv.moe>
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/

	import QtQuick 2.15
	import QtQuick.Layouts 1.15
	import QtQuick.Controls 2.15
	import QtQuick.Window 2.15

	import org.kde.kirigami 2.13 as Kirigami

	import '.' as Kazv
	import 'matrix-helpers.js' as Helpers

	ItemDelegate {
	id: upper
	objectName: 'bubble'
	default property var children
	property var currentEvent: event
	property var menuContent: []
	property var shouldDisplayTime: displayTime \|\| (!compactMode && !event.isLocalEcho)
	property var eventPinned: event.eventId && pinnedEvents.eventIds.includes(event.eventId)

	topPadding: 0
	bottomPadding: 0
	readonly property var bubbleSpacing: leftPadding + rightPadding
	readonly property double replyMaxHeight: Kirigami.Units.gridUnit * 7
	Layout.fillWidth: true

	property var backgroundItem: Rectangle {
	anchors.fill: parent
	color: (hovered \|\| isSelected) ? Kirigami.Theme.activeBackgroundColor : Kirigami.Theme.backgroundColor
	}
	background: compactMode ? null : backgroundItem

	property var eventSourcePopupComp: Component {
	Kazv.SelfDestroyableOverlaySheet {
	shouldSelfDestroy: true
	title: l10n.get('event-source-popup-title')

	Kazv.EventSourceView {
	Layout.preferredWidth: Math.min(Kirigami.Units.gridUnit * 40, Window.width)
	event: upper.currentEvent
	}
	}
	}

	property var reactionPopupComp: Component {
	Kazv.ReactToEventPopup {
	shouldSelfDestroy: true
	onAccepted: eventView.reactWith(text)
	}
	}

	function getIsEditable(event) {
	return event.sender === matrixSdk.userId
	&& event.type === 'm.room.message'
	&& event.content.msgtype === 'm.text';
	}

	property var menuComp: Component {
	Menu {
	objectName: 'bubbleContextMenu'
	property list<QtObject> staticItems: [
	Kirigami.Action {
	objectName: 'replyToMenuItem'
	text: l10n.get('event-reply-action')
	onTriggered: setDraftRelation('m.in_reply_to', currentEvent.eventId)
	enabled: event && !event.redacted
	},
	Kirigami.Action {
	objectName: 'editMenuItem'
	text: l10n.get('event-edit-action')
	onTriggered: {
	setDraftRelation('m.replace', currentEvent.eventId);
	replaceDraftRequested(Helpers.getEventBodyForEditing(event));
	}
	enabled: event && !event.redacted && !event.isLocalEcho && getIsEditable(event)
	},
	Kirigami.Action {
	objectName: 'deleteMenuItem'
	text: l10n.get('event-delete')
	- onTriggered: eventView.redactSelf()
	+ onTriggered: deleteEventRequested(event.isLocalEcho ? event.txnId : event.eventId, event.isLocalEcho)
	enabled: event && !event.redacted
	},
	Kirigami.Action {
	objectName: 'reactMenuItem'
	text: l10n.get('event-react-action')
	onTriggered: reactionPopupComp.createObject(applicationWindow().overlay).open()
	enabled: event && !event.redacted
	},
	Kirigami.Action {
	objectName: 'pinUnpinMenuItem'
	enabled: !event.isLocalEcho
	text: eventPinned ? l10n.get('event-unpin-action') : l10n.get('event-pin-action')
	onTriggered: eventPinned ? unpinEventRequested(event.eventId) : pinEventRequested(event.eventId)
	},
	MenuSeparator {},
	Kirigami.Action {
	text: l10n.get('event-view-source')
	onTriggered: eventSourcePopupComp.createObject(applicationWindow().overlay).open()
	},
	Kirigami.Action {
	objectName: 'viewHistoryMenuItem'
	text: l10n.get('event-view-history')
	enabled: event && !!event.isEdited
	onTriggered: viewEventHistoryRequested(event.eventId)
	}
	]

	contentData: Array.from(staticItems).concat(upper.menuContent)
	onClosed: destroy()
	}
	}

	function shouldPopupMenu() {
	return !compactMode
	}

	function maybePopupMenu() {
	if (shouldPopupMenu()) {
	menuComp.createObject(parent).popup(parent)
	}
	}

	contentItem: RowLayout {
	id: bubbleRootLayout
	property var replyToOrAnnotatedEventId: currentEvent.replyingToEventId \|\| (currentEvent.relationType === 'm.annotation' ? currentEvent.relatedEventId : '')

	ColumnLayout {
	Layout.fillWidth: true

	MouseArea {
	visible: bubbleRootLayout.replyToOrAnnotatedEventId && !compactMode
	Layout.fillWidth: true
	Layout.margins: 0
	Layout.preferredHeight: inReplyToLayout.implicitHeight
	Layout.maximumHeight: upper.replyMaxHeight
	clip: true

	onClicked: eventListView.goToEvent(bubbleRootLayout.replyToOrAnnotatedEventId)

	RowLayout {
	id: inReplyToLayout
	anchors {
	top: parent.top
	left: parent.left
	right: parent.right
	}
	Rectangle {
	Layout.fillHeight: true
	Layout.preferredWidth: Kirigami.Units.smallSpacing
	color: Kirigami.Theme.activeTextColor
	clip: true
	}

	Loader {
	id: inReplyToLoader
	clip: true
	source: Qt.resolvedUrl('EventViewCompact.qml')
	active: bubbleRootLayout.replyToOrAnnotatedEventId && !compactMode
	asynchronous: true
	Layout.fillWidth: true

	property var event: room.messageById(bubbleRootLayout.replyToOrAnnotatedEventId)
	property var props: ({
	event,
	sender: room.member(event.sender \|\| matrixSdk.userId),
	stateKeyUser: event.stateKey ? room.member(event.stateKey) : {},
	isGapped: timeline.gaps.includes(event.eventId),
	})
	}
	}
	}

	ColumnLayout {
	id: children
	data: upper.children
	}
	}

	property var popupAction: Kirigami.Action {
	id: popupAction
	text: l10n.get('event-popup-action')
	icon.name: 'view-more-horizontal-symbolic'
	onTriggered: maybePopupMenu()
	}

	RowLayout {
	Layout.alignment: Qt.AlignBottom
	Kirigami.Icon {
	source: 'emblem-encrypted-locked'
	visible: !compactMode && event && event.encrypted
	Layout.preferredHeight: inlineBadgeSize
	Layout.preferredWidth: inlineBadgeSize
	Accessible.role: Accessible.StaticText
	Accessible.name: l10n.get('event-encrypted')
	ToolTip.text: l10n.get('event-encrypted')
	ToolTip.delay: Kirigami.Units.toolTipDelay
	ToolTip.timeout: Helpers.toolTipTimeout
	ToolTip.visible: hoverHandlerEncIcon.hovered

	HoverHandler { id: hoverHandlerEncIcon }
	}

	ToolButton {
	objectName: 'localEchoIndicator'
	visible: !!event.isLocalEcho
	hoverEnabled: true
	enabled: event.isFailed
	icon.name: event.isSending ? 'state-sync' : 'state-warning'
	Layout.preferredHeight: Kirigami.Units.iconSizes.medium
	Layout.preferredWidth: Kirigami.Units.iconSizes.medium
	Accessible.role: event.isSending ? Accessible.StaticText : Accessible.Button
	Accessible.name: event.isSending ? l10n.get('event-sending') : l10n.get('event-resend')
	ToolTip.text: event.isSending ? l10n.get('event-sending') : l10n.get('event-send-failed')
	ToolTip.delay: Kirigami.Units.toolTipDelay
	ToolTip.timeout: Helpers.toolTipTimeout
	ToolTip.visible: hovered

	onClicked: {
	room.resendMessage(event.txnId);
	}
	}

	Label {
	objectName: 'timeIndicator'
	visible: shouldDisplayTime
	text: event.formattedTime
	ToolTip.text: event.formattedDateTime
	ToolTip.delay: Kirigami.Units.toolTipDelay
	ToolTip.timeout: Helpers.toolTipTimeout
	ToolTip.visible: hoverHandlerTime.hovered
	HoverHandler { id: hoverHandlerTime }
	font.pointSize: Kirigami.Theme.defaultFont.pointSize * 0.8
	}

	Label {
	objectName: 'editedIndicator'
	visible: !compactMode && event.isEdited
	text: l10n.get('event-edited-indicator')
	font.pointSize: Kirigami.Theme.defaultFont.pointSize * 0.8
	}

	Kazv.EventReadIndicator {
	objectName: 'eventReadIndicator'
	shouldShow: !compactMode && !event.isLocalEcho
	model: event.readers()
	}

	ToolButton {
	id: moreButton
	objectName: 'moreButton'
	visible: !compactMode
	action: popupAction
	display: AbstractButton.IconOnly
	}
	}
	}
	}
	diff --git a/src/contents/ui/EventView.qml b/src/contents/ui/EventView.qml
	index 40ee08a..bf2a1c7 100644
	--- a/src/contents/ui/EventView.qml
	+++ b/src/contents/ui/EventView.qml
	@@ -1,297 +1,277 @@
	/*
	* This file is part of kazv.
	* SPDX-FileCopyrightText: 2020-2023 tusooa <tusooa@kazv.moe>
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/

	import QtQuick 2.2
	import QtQuick.Layouts 1.15
	import QtQuick.Controls 2.15

	import Qt.labs.qmlmodels 1.0

	import org.kde.kirigami 2.13 as Kirigami

	import 'event-types' as Types

	Item {
	id: eventView
	property var event
	property var prevEvent
	property var prevEventType: prevEvent ? getMessageType(prevEvent) : 'ignore'
	property var sender
	property var stateKeyUser
	property var isSelected: false
	property var displayTime

	property var messageType: getMessageType(event)

	property var iconSize: Kirigami.Units.iconSizes.large
	property var inlineBadgeSize: Kirigami.Units.iconSizes.smallMedium
	property var senderNameSize: Kirigami.Units.gridUnit * 1.2
	- property var redactPromise: null

	property var isGapped: false
	property var compactMode: false

	property var calculatedHeight: (loader.item ? loader.item.implicitHeight : 0)

	height: calculatedHeight
	implicitHeight: calculatedHeight
	Layout.minimumHeight: calculatedHeight
	Layout.preferredHeight: calculatedHeight

	Component {
	id: textEV
	Types.Text {
	event: eventView.event
	sender: eventView.sender
	isSelected: eventView.isSelected
	}
	}

	Component {
	id: emoteEV
	Types.Emote {
	event: eventView.event
	sender: eventView.sender
	isSelected: eventView.isSelected
	}
	}

	Component {
	id: noticeEV
	Types.Notice {
	event: eventView.event
	sender: eventView.sender
	isSelected: eventView.isSelected
	}
	}

	Component {
	id: stateEV
	Types.State {
	event: eventView.event
	sender: eventView.sender
	stateKeyUser: eventView.stateKeyUser
	isSelected: eventView.isSelected
	}
	}

	Component {
	id: imageEV
	Types.Image {
	event: eventView.event
	sender: eventView.sender
	isSelected: eventView.isSelected
	}
	}

	Component {
	id: fileEV
	Types.File {
	event: eventView.event
	sender: eventView.sender
	isSelected: eventView.isSelected
	}
	}

	Component {
	id: videoEV
	Types.Video {
	event: eventView.event
	sender: eventView.sender
	isSelected: eventView.isSelected
	}
	}

	Component {
	id: audioEV
	Types.Audio {
	event: eventView.event
	sender: eventView.sender
	isSelected: eventView.isSelected
	}
	}

	Component {
	id: unknownEV
	Types.Fallback {
	event: eventView.event
	sender: eventView.sender
	isSelected: eventView.isSelected
	}
	}

	Component {
	id: redactedEV
	Types.Redacted {
	event: eventView.event
	sender: eventView.sender
	isSelected: eventView.isSelected
	}
	}

	Component {
	id: reactionEV
	Types.Reaction {
	event: eventView.event
	sender: eventView.sender
	isSelected: eventView.isSelected
	}
	}

	Component {
	id: ignoreEV
	Item {
	}
	}

	Loader {
	sourceComponent: getSource(messageType)
	id: loader
	anchors.left: eventView.left
	anchors.right: eventView.right
	anchors.top: eventView.top
	}

	function getSource(t) {
	switch (t) {
	case 'text':
	return textEV;

	case 'emote':
	return emoteEV;

	case 'notice':
	return noticeEV;

	case 'state':
	return stateEV;

	case 'image':
	return imageEV;

	case 'file':
	return fileEV;

	case 'video':
	return videoEV;

	case 'audio':
	return audioEV;

	case 'redacted':
	return redactedEV;

	case 'reaction':
	return reactionEV;

	case 'ignore':
	return ignoreEV;

	default:
	return unknownEV;
	}
	}

	function getMessageType(e) {
	if (e.redacted) {
	return 'redacted';
	}
	if (e.isState) {
	return 'state';
	}
	// ignore edits of other events
	if (e.relationType === 'm.replace') {
	return 'ignore';
	}
	switch (e.type) {
	case 'm.room.message':
	switch (e.content.msgtype) {
	case 'm.text':
	return 'text';

	case 'm.emote':
	return 'emote';

	case 'm.notice':
	return 'notice';

	case 'm.image':
	return 'image';

	case 'm.file':
	return 'file';

	case 'm.audio':
	return 'audio';

	case 'm.video':
	return 'video';

	case 'm.location':
	return 'location';

	default:
	return 'unknown';
	}

	case 'm.sticker':
	return 'image';

	case 'm.room.redaction':
	return 'ignore';

	case 'm.reaction':
	return 'reaction';

	default:
	return 'unknown';
	}
	}

	- function redactSelf(reason) {
	- if (eventView.event.eventId) {
	- eventView.redactPromise = room.redactEvent(eventView.event.eventId, reason);
	- } else {
	- // this is a local echo
	- eventView.redactPromise = room.removeLocalEcho(eventView.event.txnId);
	- }
	- }
	-
	- Connections {
	- target: eventView.redactPromise
	- function onResolved(success, data) {
	- if (!success) {
	- showPassiveNotification(l10n.get('event-delete-failed', { errorMsg: data.error, errorCode: data.errorCode }));
	- }
	- eventView.redactPromise = null;
	- }
	- }
	-
	function paginateBack() {
	paginateBackRequested(event.eventId);
	}

	function reactWith(reactionText) {
	room.sendReaction(reactionText, event.eventId);
	}

	onIsGappedChanged: maybePaginateBack()
	onEventChanged: maybePaginateBack()
	Component.onCompleted: maybePaginateBack()
	Connections {
	target: eventView.event

	function onEventIdChanged() {
	eventView.maybePaginateBack();
	}
	}

	function maybePaginateBack() {
	if (isGapped) {
	paginateBack();
	}
	}
	}
	diff --git a/src/contents/ui/RoomTimelineView.qml b/src/contents/ui/RoomTimelineView.qml
	index a2e4ce1..a2af6d5 100644
	--- a/src/contents/ui/RoomTimelineView.qml
	+++ b/src/contents/ui/RoomTimelineView.qml
	@@ -1,123 +1,178 @@
	/*
	* This file is part of kazv.
	* SPDX-FileCopyrightText: 2020-2023 tusooa <tusooa@kazv.moe>
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/

	import QtQuick 2.2
	import QtQuick.Layouts 1.15
	import QtQuick.Controls 2.15

	import org.kde.kirigami 2.13 as Kirigami
	import '.' as Kazv

	ListView {
	id: roomTimelineView
	objectName: 'roomTimelineView'
	property var timeline

	property var eventIds: timeline.eventIds

	property string selectedEventId

	signal pinEventRequested(string eventId)
	signal unpinEventRequested(string eventId)
	+ signal deleteEventRequested(eventIdOrTxnId: string, isLocalEcho: bool)

	property var pinEvent: Kazv.AsyncHandler {
	property var eventIds
	trigger: () => room.pinEvents(eventIds)
	onResolved: (success, data) => {
	if (success) {
	showPassiveNotification(l10n.get('event-pin-success-prompt'));
	} else {
	showPassiveNotification(l10n.get('event-pin-failed-prompt', { errorCode: data.errorCode, errorMsg: data.error }));
	}
	}
	}

	property var unpinEvent: Kazv.AsyncHandler {
	property var eventIds
	trigger: () => room.unpinEvents(eventIds)
	onResolved: (success, data) => {
	if (success) {
	showPassiveNotification(l10n.get('event-unpin-success-prompt'));
	} else {
	showPassiveNotification(l10n.get('event-unpin-failed-prompt', { errorCode: data.errorCode, errorMsg: data.error }));
	}
	}
	}

	+ property var deleteEvent: Kazv.AsyncHandler {
	+ property var eventId
	+ property var reason
	+ trigger: () => room.redactEvent(eventId, reason)
	+ onResolved: (success, data) => {
	+ if (!success) {
	+ showPassiveNotification(l10n.get('event-delete-failed', { errorMsg: data.error, errorCode: data.errorCode }));
	+ }
	+ }
	+ }
	+
	+ property var deleteLocalEcho: Kazv.AsyncHandler {
	+ property var txnId
	+ trigger: () => room.removeLocalEcho(txnId)
	+ onResolved: (success, data) => {
	+ if (!success) {
	+ showPassiveNotification(l10n.get('event-delete-failed', { errorMsg: data.error, errorCode: data.errorCode }));
	+ }
	+ }
	+ }
	+
	onPinEventRequested: (eventId) => {
	pinEventPopupComp.createObject(Overlay.overlay, { eventId }).open()
	}

	onUnpinEventRequested: (eventId) => {
	unpinEventPopupComp.createObject(Overlay.overlay, { eventId }).open()
	}

	+ onDeleteEventRequested: (eventIdOrTxnId, isLocalEcho) => {
	+ confirmDeletionPopupComp.createObject(Overlay.overlay, { eventIdOrTxnId, isLocalEcho }).open()
	+ }
	+
	property var pinEventPopupComp: Component {
	Kazv.ConfirmationOverlay {
	objectName: 'pinEventPopup'
	property var eventId
	shouldSelfDestroy: true
	title: l10n.get('event-pin-confirmation-title')
	message: l10n.get('event-pin-confirmation')
	confirmActionText: l10n.get('event-pin-confirm-action')
	cancelActionText: l10n.get('event-pin-cancel-action')
	onAccepted: {
	pinEvent.eventIds = [eventId];
	pinEvent.call();
	}

	EventViewWrapper {
	Layout.fillWidth: true
	event: room.messageById(eventId)
	compactMode: true
	}
	}
	}

	property var unpinEventPopupComp: Component {
	Kazv.ConfirmationOverlay {
	objectName: 'unpinEventPopup'
	property var eventId
	shouldSelfDestroy: true
	title: l10n.get('event-unpin-confirmation-title')
	message: l10n.get('event-unpin-confirmation')
	confirmActionText: l10n.get('event-unpin-confirm-action')
	cancelActionText: l10n.get('event-unpin-cancel-action')
	onAccepted: {
	unpinEvent.eventIds = [eventId];
	unpinEvent.call();
	}

	EventViewWrapper {
	Layout.fillWidth: true
	event: room.messageById(eventId)
	compactMode: true
	}
	}
	}

	+ property var confirmDeletionPopupComp: Component {
	+ Kazv.ConfirmationOverlay {
	+ objectName: 'confirmDeletionPopup'
	+ property string eventIdOrTxnId
	+ property bool isLocalEcho
	+ shouldSelfDestroy: true
	+ title: l10n.get('confirm-deletion-popup-title')
	+ message: l10n.get('confirm-deletion-popup-message')
	+ confirmActionText: l10n.get('confirm-deletion-popup-confirm-action')
	+ cancelActionText: l10n.get('confirm-deletion-popup-cancel-action')
	+ onAccepted: {
	+ if (isLocalEcho) {
	+ deleteLocalEcho.txnId = eventIdOrTxnId;
	+ deleteLocalEcho.call();
	+ } else {
	+ deleteEvent.eventId = eventIdOrTxnId;
	+ deleteEvent.call();
	+ }
	+ }
	+
	+ EventViewWrapper {
	+ id: eventView
	+ Layout.fillWidth: true
	+ event: isLocalEcho ? room.localEchoById(eventIdOrTxnId) : room.messageById(eventIdOrTxnId)
	+ compactMode: true
	+ }
	+ }
	+ }
	+
	spacing: 0

	model: timeline

	currentIndex: -1

	verticalLayoutDirection: ListView.BottomToTop

	delegate: EventViewWrapper {
	property var eventListView: ListView.view
	prevEvent: index < timeline.count - 1 ? timeline.at(index + 1) : undefined
	event: timeline.at(index)
	width: ListView.view.width
	isSelected: roomTimelineView.selectedEventId && event.eventId === roomTimelineView.selectedEventId
	}

	function goToEvent(eventId) {
	selectedEventId = eventId;
	const index = timeline.indexOfEvent(eventId);
	positionViewAtIndex(index, ListView.Center);
	}
	}
	diff --git a/src/l10n/cmn-Hans/100-ui.ftl b/src/l10n/cmn-Hans/100-ui.ftl
	index 4bee9e6..6308132 100644
	--- a/src/l10n/cmn-Hans/100-ui.ftl
	+++ b/src/l10n/cmn-Hans/100-ui.ftl
	@@ -1,383 +1,388 @@
	### This file is part of kazv.
	### SPDX-FileCopyrightText: 2020-2023 tusooa <tusooa@kazv.moe>
	### SPDX-License-Identifier: AGPL-3.0-or-later

	app-title = { -kt-app-name }

	about-page-title = 关于 { -kt-app-name }
	about-copyright = (c) 2020- the Kazv Project
	about-display-name = { -kt-app-name } { $version }
	about-short-description = 各平台同一的 Matrix 客户端和即时通讯软件
	about-license = 以 AGPL 3 或以后版本授权
	about-used-libraries = 使用了的库
	about-authors = 作者
	about-author-email-action = 写电邮
	about-author-website-action = 访问网站
	about-author-task-maintainer = 维护者
	about-author-task-developer = 开发者

	user-name-with-id = { $name } （{ $userId }）
	user-name-overrided = { $overridedName } （{ $globalName }）

	global-drawer-title = { -kt-app-name }
	global-drawer-action-switch-account = 切换账号
	global-drawer-action-hard-logout = 登出
	global-drawer-action-save-session = 保存当前会话
	global-drawer-action-configure-shortcuts = 配置快捷键
	global-drawer-action-settings = 设置
	global-drawer-action-create-room = 创建房间
	global-drawer-action-join-room = 加入房间
	global-drawer-action-about = 关于 { -kt-app-name }

	action-settings-page-title = 配置快捷键
	action-settings-shortcut-prompt = 快捷键：{ $shortcut }
	action-settings-shortcut-none = （无）
	action-settings-shortcut-edit-action = 编辑
	action-settings-shortcut-remove-action = 清除
	action-settings-shortcut-conflict-modal-title = 冲突的快捷键
	action-settings-shortcut-conflict = 快捷键 { $shortcut } 跟别的指令有冲突。<br>若要继续，别的指令的快捷键会被清除。<br><br>冲突的指令有：<br>{ $conflictingAction }
	action-settings-shortcut-conflict-continue = 继续
	action-settings-shortcut-conflict-cancel = 取消

	empty-room-page-title = 没有选中房间
	empty-room-page-description = 当前没有选中的房间。

	login-page-title = 登录
	login-page-userid-prompt = 用户 id：
	login-page-userid-input-placeholder = 例如： @foo:example.org
	login-page-password-prompt = 密码：
	login-page-login-button = 登录
	login-page-close-button = 关闭
	login-page-existing-sessions-prompt = 从已有会话中选一个：
	login-page-alternative-password-login-prompt = 或者用用户 id 和密码启动新会话：
	login-page-restore-session-button = 恢复会话
	login-page-request-failed-prompt = 登录失败。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。
	login-page-discover-failed-prompt = 不能检测此用户所在的服务器，或者服务器不可用。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。

	session-load-failure-not-found = 找不到会话 { $sessionName }。
	session-load-failure-format-unknown = 会话 { $sessionName } 包含不支持的格式。是由未来版本的 { -kt-app-name } 保存的吗？
	session-load-failure-cannot-backup = 无法备份会话 { $sessionName }。
	session-load-failure-lock-failed = 会话 { $sessionName } 正在被别的程序使用。
	session-load-failure-cannot-open-file = 无法打开会话 { $sessionName } 的存档文件。
	session-load-failure-deserialize-failed = 无法打开会话 { $sessionName }。是被损坏了或者是由未来版本的 { -kt-app-name } 保存的吗？

	main-page-title = { -kt-app-name } - { $userId }
	main-page-recent-tab-title = 最近
	main-page-favourites-tab-title = 最爱
	main-page-people-tab-title = 人们
	main-page-rooms-tab-title = 房间
	main-page-room-filter-prompt = 过滤房间...

	room-list-view-room-item-title-name = { $name }
	room-list-view-room-item-title-heroes = { $hero } { $otherNum ->
	[0] { "" }
	[1] 和 { $secondHero }
	*[other] 和别的 { $otherNum } 个人
	}
	room-list-view-room-item-title-id = 未命名房间（{ $roomId }）
	room-list-view-room-item-fav-action = 设为最爱
	room-list-view-room-item-unread-indicator = 未读
	room-list-view-room-item-unread-notification-count = { $count }
	room-list-view-room-item-unread-notification-count-text = { $count } 条未读通知
	room-tags-fav-action-notification = 把 { $name } 设为了最爱
	room-tags-fav-action-notification-failed = 不能把 { $name } 设为最爱。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。
	room-tags-unfav-action-notification = 把 { $name } 从最爱中移除了
	room-tags-unfav-action-notification-failed = 不能把 { $name } 从最爱中移除。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。
	room-tags-add-tag-action-notification = 把标签 { $tag } 添加到了 { $name }
	room-tags-add-tag-action-notification-failed = 不能把标签 { $tag } 添加到 { $name }。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。
	room-tags-remove-tag-action-notification = 把标签 { $tag } 从 { $name } 移除了
	room-tags-remove-tag-action-notification-failed = 不能把标签 { $tag } 从 { $name } 移除。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。
	room-list-view-room-item-more-action = 更多...
	room-list-view-room-item-invited = （邀请）
	room-list-view-room-item-left = （已离开）

	room-settings-action = 房间设置...
	room-settings-page-title = { $room } 的房间设置
	room-settings-tags = 房间标签
	room-settings-favourited = 设为最爱
	room-settings-remove-tag = 移除标签
	room-settings-add-tag = 添加标签
	room-settings-members-action = 房间成员...
	room-settings-banned-members-action = 被封禁的成员...
	room-settings-enable-encryption-prompt-dialog-title = 启用加密
	room-settings-enable-encryption-prompt-dialog-prompt = 一旦在本房间中启用了加密，就不能再禁用了。确定吗？
	room-settings-enable-encryption-action = 启用加密
	room-settings-encrypted = 本房间中的消息是端对端加密了的。
	room-settings-not-encrypted = 本房间中的消息没有端对端加密。
	room-settings-encryption-enabled-notification = 本房间中的加密已经启用。
	room-settings-encryption-failed-to-enable-notification = 不能在本房间中启用加密。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。
	room-settings-topic-missing = 这个房间没有话题。
	room-settings-edit-topic-action = 编辑话题
	room-settings-save-topic-action = 保存话题
	room-settings-discard-topic-action = 放弃话题
	room-settings-set-topic-failed-prompt = 不能设置话题。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。

	room-member-list-page-title = { $room } 的成员

	room-leave-action = 离开房间
	room-leave-confirm-popup-title = 离开房间
	room-leave-confirm-popup-message = 你确定要离开这个房间吗？
	room-leave-confirm-popup-confirm-action = 离开
	room-leave-confirm-popup-cancel-action = 留下

	room-forget-action = 忘记房间
	room-forget-confirm-popup-title = 忘记房间
	room-forget-confirm-popup-message = 你确定要忘记这个房间吗？
	room-forget-confirm-popup-confirm-action = 忘记
	room-forget-confirm-popup-cancel-action = 取消

	send-message-box-input-placeholder = 在此输入您的讯息...
	send-message-box-send = 发送
	send-message-box-send-file = 发送文件
	send-message-box-reply-to = 回复给
	send-message-box-edit = 编辑
	send-message-box-remove-reply-to-action = 移除回复关系
	send-message-box-remove-replace-action = 取消编辑
	send-message-box-stickers = 发送贴纸...
	send-message-box-stickers-popup-title = 发送贴纸

	sticker-picker-user-stickers = 我的贴纸

	room-timeline-load-more-action = 加载更多

	room-invite-accept-action = 接受邀请
	room-invite-reject-action = 拒绝邀请
	room-invite-popup-title = 被邀请了
	room-invite-popup-text = 你被邀请到这个房间了。
	room-invite-popup-text-with-inviter = 你被 { $inviterName } 邀请到这个房间了。

	room-pinned-events-action = { $count } 条置顶消息...
	room-pinned-events-page-title = { $room } 的置顶消息

	## 状态事件
	## 通用参数：
	## gender = 发送者的性别（male/female/neutral）
	## stateKeyUser = state key 用户的名字
	## stateKeyUserGender = state key 用户的性别
	member-state-joined-room = 加入了房间。
	member-state-changed-name-and-avatar = 修改了名字和头像。
	member-state-changed-name = 修改了名字。
	member-state-changed-avatar = 修改了头像。
	member-state-invited = 把 { $stateKeyUser } 邀请到了本房间。
	member-state-left = 离开了房间。
	member-state-kicked = 踢出了 { $stateKeyUser }。
	member-state-banned = 封禁了 { $stateKeyUser }。
	member-state-unbanned = 解封了 { $stateKeyUser }。

	state-room-created = 创建了房间。
	state-room-name-changed = 把房间名字改成了 { $newName }。
	state-room-topic-changed = 把房间话题改成了 { $newTopic }。
	state-room-avatar-changed = 修改了房间头像。
	state-room-pinned-events-changed = 修改了房间的置顶讯息。
	state-room-alias-changed = 修改了房间的别名。
	state-room-join-rules-changed = 修改了房间的加入规则。
	state-room-power-levels-changed = 修改了房间的权限。
	state-room-encryption-activated = 对本房间启用了加密。

	event-message-image-sent = 发送了图片「{ $body }」。
	event-message-sticker-sent = 发送了贴纸「{ $body }」。
	event-summary-image-sent = 发送了图片「{ $body }」。
	event-summary-sticker-sent = 发送了贴纸「{ $body }」。
	event-message-file-sent = 发送了文件「{ $body }」。
	event-message-video-sent = 发送了视频「{ $body }」。
	event-summary-video-sent = 发送了视频「{ $body }」。
	event-message-audio-sent = 发送了音频「{ $body }」。
	event-message-audio-play-audio = 播放音频
	event-sending = 发送中...
	event-send-failed = 发送失败
	event-resend = 重试发送这个事件
	event-deleted = （已删除）
	event-delete = 删除
	event-delete-failed = 删除事件出错。错误码：{ $errorCode }。错误讯息：{ $errorMsg }。
	event-view-source = 查看源码...
	event-view-history = 查看编辑历史...
	event-source-popup-title = 事件源码
	event-source-decrypted = 解密的事件源码
	event-source-original = 原始的事件源码
	event-history-popup-title = 事件编辑历史
	event-reply-action = 回复
	event-popup-action = 更多关于这个事件...
	event-reacted-with = 回应了「{ $key }」
	event-react-action = 回应...
	event-react-popup-title = 回应一条消息
	event-react-accept-action = 回应
	event-react-cancel-action = 取消
	event-react-with-prompt = 回应以：
	event-edit-action = 编辑
	event-encrypted = 这条消息已加密
	event-msgtype-fallback-text = 未知的消息类型：{ $msgtype }
	event-fallback-text = 未知事件：{ $type }
	event-cannot-decrypt-text = （加密内容）
	event-read-indicator-more = +{ $rest }
	event-read-indicator-list-title = { $numUsers } 个用户已读
	event-edited-indicator = （编辑过了）
	event-pin-action = 在房间置顶
	event-unpin-action = 从房间取消置顶
	event-pin-confirmation-title = 在房间置顶
	event-pin-confirmation = 确定要置顶这条消息吗？
	event-pin-confirm-action = 置顶
	event-pin-cancel-action = 不置顶
	event-pin-success-prompt = 消息在房间置顶了。
	event-pin-failed-prompt = 无法置顶消息。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。
	event-unpin-confirmation-title = 从房间取消置顶
	event-unpin-confirmation = 确定要取消置顶这条消息吗？
	event-unpin-confirm-action = 取消置顶
	event-unpin-cancel-action = 不取消置顶
	event-unpin-success-prompt = 消息从房间取消置顶了。
	event-unpin-failed-prompt = 无法取消置顶消息。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。

	media-file-menu-option-view = 查看
	media-file-menu-option-save-as = 保存为
	media-file-menu-add-sticker-action = 添加到贴纸...

	add-sticker-popup-title = 添加到贴纸
	add-sticker-popup-short-code-prompt = 短代码：
	add-sticker-popup-short-code-exists-warning = 贴纸包里已经有这个短代码了。上面的贴纸会覆盖已有的。
	add-sticker-popup-add-sticker-button = 添加
	add-sticker-popup-cancel-button = 取消
	add-sticker-popup-failed-prompt = 无法添加贴纸。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。

	kazv-io-download-success-prompt = 下载成功
	kazv-io-download-failure-prompt = 下载失败：{ $detail }
	kazv-io-failure-detail-user-cancel = 用户已取消
	kazv-io-failure-detail-network-error = 网络错误
	kazv-io-failure-detail-open-file-error = 打开文件错误
	kazv-io-failure-detail-write-file-error = 写入文件错误
	kazv-io-failure-detail-hash-error = 哈息值校验失败
	kazv-io-failure-detail-response-error = 接收到无效的响应
	kazv-io-failure-detail-kazv-error = 未知错误，请将此报告为漏洞
	kazv-io-upload-failure-prompt = 上传失败：{ $detail }
	kazv-io-downloading-prompt = 正在下载：{ $fileName }
	kazv-io-uploading-prompt = 正在上传：{ $fileName }
	kazv-io-prompt-close = 好的
	kazv-io-pause = 暂停
	kazv-io-resume = 继续
	kazv-io-cancel = 取消

	create-room-page-title = 创建房间
	create-room-page-visibility-prompt = 房间可见性：
	create-room-page-visibility-public = 公开
	create-room-page-visibility-private = 私有
	create-room-page-name-prompt = 房间名称（可选）：
	create-room-page-name-placeholder = 无名
	create-room-page-alias-prompt = 房间别名（可选）：
	create-room-page-alias-placeholder = #foo:example.org
	create-room-page-topic-prompt = 房间主题（可选）：
	create-room-page-topic-placeholder = 无题
	create-room-page-allow-federate-prompt = 允许别的服务器上的用户加入
	create-room-page-action-create-room = 创建房间
	create-room-page-success-prompt = 房间已创建。
	create-room-page-failed-prompt = 无法创建房间。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。
	create-room-page-encrypted-prompt = 启用端对端加密

	join-room-page-title = 加入房间
	join-room-page-id-or-alias-prompt = 房间 id 或别名：
	join-room-page-id-or-alias-placeholder = #foo:example.org 或 !abcdef:example.org
	join-room-page-servers-prompt = 经由服务器（可选，用换行分割）：
	join-room-page-servers-placeholder =
	example.org
	example.com
	join-room-page-action-join-room = 加入房间
	join-room-page-success-prompt = 成功加入房间 { $room }。
	join-room-page-failed-prompt = 无法加入房间 { $room }。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。

	leave-room-success-prompt = 成功离开房间 { $room }。
	leave-room-failed-prompt = 无法离开房间 { $room }。错误代码：{ $errorCode }。错误讯息：{ $errorMsg }。

	forget-room-success-prompt = 成功忘记房间 { $room }。
	forget-room-failed-prompt = 无法忘记房间 { $room }。错误代码： { $errorCode }。错误讯息: { $errorMsg }。

	device-trust-level-unseen = 未曾见过
	device-trust-level-seen = 见过
	device-trust-level-verified = 已验证
	device-trust-level-blocked = 已屏蔽
	device-set-trust-level = 设置信任等级...
	device-set-trust-level-dialog-title = 设置信任等级
	device-set-trust-level-dialog-name-label = 设备名：{ $name }
	device-set-trust-level-dialog-id-label = 设备id：{ $id }
	device-set-trust-level-dialog-ed25519-key-label = Ed25519公钥：{ $key }
	device-set-trust-level-dialog-curve25519-key-label = Curve25519公钥：{ $key }
	device-set-trust-level-dialog-save = 保存
	device-set-trust-level-dialog-cancel = 取消

	settings-page-title = 设置
	settings-save = 保存设置
	settings-profile-load-failed-prompt = 无法加载用户资料。错误码：{ $errorCode }。错误讯息：{ $errorMsg }。
	settings-profile-change-avatar = 改变头像...
	settings-profile-display-name = 显示名：
	settings-profile-save-failed-prompt = 无法保存用户资料。错误码：{ $errorCode }。错误讯息：{ $errorMsg }。
	settings-cache-directory = 缓存目录：

	typing-indicator = { $typingUser } { $otherNum ->
	[0] 正在输入...
	[1] 和 { $secondTypingUser } 正在输入...
	*[other] 和另外 { $otherNum } 人正在输入...
	}

	notification-message = <b>{ $user }：</b> { $message }
	notification-message-no-content = <b>{ $user }</b> 给你发了一条讯息。
	notification-open = 打开

	user-page-power-level = 权限等级：{ $powerLevel }
	user-page-edit-power-level-action = 编辑
	user-page-save-power-level-action = 保存
	user-page-discard-power-level-action = 丢弃
	user-page-set-power-level-failed-prompt = 无法设置权限等级。错误码：{ $errorCode }。错误讯息：{ $errorMsg }。
	user-page-kick-user-action = 踢出
	user-page-kick-user-confirm-dialog-title = 踢出用户
	user-page-kick-user-confirm-dialog-content = 确定要把 { $name }（{ $userId }）踢出 { $roomName } 吗？
	user-page-kick-user-reason-prompt = 原因（可选）：
	user-page-kick-user-failed-prompt = 无法踢出用户。错误码：{ $errorCode }。错误讯息：{ $errorMsg }。

	user-page-ban-user-action = 封禁
	user-page-ban-user-confirm-dialog-titile = 封禁用户
	user-page-ban-user-confirm-dialog-content = 确定要在 { $roomName } 中封禁 { $name }（{ $userId }）吗？
	user-page-ban-user-reason-prompt = 原因（可选）：
	user-page-ban-user-failed-prompt = 无法封禁用户。错误码：{ $error }。错误讯息：{ $errorMsg }。
	user-page-unban-user-action = 解禁
	user-page-unban-user-failed-prompt = 无法解禁用户。错误码：{ $error }。错误讯息：{ $errorMsg }。
	user-page-overrided-name-placeholder = 自定义显示名...
	user-page-save-name-override-action = 保存
	user-page-update-name-override-failed-prompt = 无法设置自定义显示名。错误码：{ $error }。错误讯息：{ $errorMsg }。
	user-page-self-name-prompt = 自己在房间里的显示名：
	user-page-self-name-placeholder = 自己在房间里的显示名...
	user-page-save-self-name-action = 保存
	user-page-update-self-name-failed-prompt = 无法设置自己在房间里的显示名。错误码：{ $error }。错误讯息：{ $errorMsg }。

	room-invite-page-title = 邀请用户到 { $room }
	room-invite-page-invite-failed-prompt = 无法邀请用户。错误码：{ $errorCode }。错误讯息：{ $errorMsg }。
	room-invite-invitee-matrix-id-placeholder = 用户的 Matrix id，比如 @foo:example.org
	room-invite-invitee-matrix-id-prompt = 要邀请的用户：
	room-invite-page-invite-button = 邀请
	room-invite-action = 邀请到房间...

	confirm-upload-popup-title = 确认上传
	confirm-upload-popup-prompt = 即将上传「{ $file }」（{ $current } / { $total }）。
	confirm-upload-popup-prompt-single-file = 即将上传「{ $file }」。
	confirm-upload-popup-accept-button = 上传
	confirm-upload-popup-cancel-button = 取消

	action-cut = 剪切
	action-copy = 复制
	action-paste = 粘贴
	action-undo = 撤销
	action-redo = 重做
	action-delete = 删除
	action-select-all = 全选

	logout-failed-prompt = 登出失败，请检查您的网络后重试。错误码：{ $errorCode }。错误讯息：{ $errorMsg }。

	confirm-logout-popup-title = 确认登出
	confirm-logout-popup-prompt = 你确定要登出吗？
	confirm-logout-popup-accept-button = 是
	confirm-logout-popup-cancel-button = 取消

	emoji-smileys-and-emotion = 笑容与情绪
	emoji-people-and-body = 人与身体
	emoji-animals-and-nature = 动物与自然
	emoji-food-and-drink = 食物与饮料
	emoji-travel-and-places = 旅行与地点
	emoji-activities = 活动
	emoji-objects = 物体
	emoji-symbols = 符号
	emoji-flags = 旗帜
	+
	+confirm-deletion-popup-title = 删除事件
	+confirm-deletion-popup-message = 你确定要删除这个事件吗？
	+confirm-deletion-popup-confirm-action = 删除
	+confirm-deletion-popup-cancel-action = 取消
	diff --git a/src/l10n/en/100-ui.ftl b/src/l10n/en/100-ui.ftl
	index 2878521..8d6b802 100644
	--- a/src/l10n/en/100-ui.ftl
	+++ b/src/l10n/en/100-ui.ftl
	@@ -1,411 +1,416 @@
	### This file is part of kazv.
	### SPDX-FileCopyrightText: 2020-2023 tusooa <tusooa@kazv.moe>
	### SPDX-License-Identifier: AGPL-3.0-or-later

	app-title = { -kt-app-name }

	about-page-title = About { -kt-app-name }
	about-copyright = (c) 2020- the Kazv Project
	about-display-name = { -kt-app-name } { $version }
	about-short-description = Convergent Matrix client and instant messaging app
	about-license = licensed under AGPL 3 or later
	about-used-libraries = Used libraries
	about-authors = Authors
	about-author-email-action = Write an email
	about-author-website-action = Access website
	about-author-task-maintainer = Maintainer
	about-author-task-developer = Developer

	user-name-with-id = { $name } ({ $userId })
	user-name-overrided = { $overridedName } ({ $globalName })

	global-drawer-title = { -kt-app-name }
	global-drawer-action-switch-account = Switch account
	global-drawer-action-hard-logout = Logout
	global-drawer-action-save-session = Save current session
	global-drawer-action-configure-shortcuts = Configure shortcuts
	global-drawer-action-settings = Settings
	global-drawer-action-create-room = Create room
	global-drawer-action-join-room = Join room
	global-drawer-action-about = About { -kt-app-name }

	action-settings-page-title = Configure shortcuts
	action-settings-shortcut-prompt = Shortcut: { $shortcut }
	action-settings-shortcut-none = (none)
	action-settings-shortcut-edit-action = Edit
	action-settings-shortcut-remove-action = Clear
	action-settings-shortcut-conflict-modal-title = Conflicting shortcuts
	action-settings-shortcut-conflict = The shortcut { $shortcut } has conflicts with other actions. <br>If you continue, the shortcuts for other actions will be cleared. <br><br>Conflicting actions: <br>{ $conflictingAction }
	action-settings-shortcut-conflict-continue = Continue
	action-settings-shortcut-conflict-cancel = Cancel

	empty-room-page-title = No rooms selected
	empty-room-page-description = There is no room selected now.

	login-page-title = Log in
	login-page-userid-prompt = User id:
	login-page-userid-input-placeholder = E.g.: @foo:example.org
	login-page-password-prompt = Password:
	login-page-login-button = Log in
	login-page-close-button = Close
	login-page-existing-sessions-prompt = Choose from one of the existing sessions:
	login-page-alternative-password-login-prompt = Or start a new session with user id and password:
	login-page-restore-session-button = Restore session
	login-page-request-failed-prompt = Login failed. Error code: { $errorCode }. Error message: { $errorMsg }.
	login-page-discover-failed-prompt = Unable to detect the server this user is on, or the server is unavailable. Error code: { $errorCode }. Error message: { $errorMsg }.

	session-load-failure-not-found = The session { $sessionName } is not found.
	session-load-failure-format-unknown = The session { $sessionName } contains an unsupported format. Is it saved using a future version of { -kt-app-name }?
	session-load-failure-cannot-backup = Cannot make a backup of the session { $sessionName }.
	session-load-failure-lock-failed = The session { $sessionName } is being used by another program.
	session-load-failure-cannot-open-file = Unable to open the store file for the session { $sessionName }.
	session-load-failure-deserialize-failed = The session { $sessionName } cannot be opened. Is it corrupted or saved using a future version of { -kt-app-name }?

	main-page-title = { -kt-app-name } - { $userId }
	main-page-recent-tab-title = Recent
	main-page-favourites-tab-title = Favourites
	main-page-people-tab-title = People
	main-page-rooms-tab-title = Rooms
	main-page-room-filter-prompt = Filter rooms by...

	room-list-view-room-item-title-name = { $name }
	room-list-view-room-item-title-heroes = { $hero } { $otherNum ->
	[0] { "" }
	[1] and { $secondHero }
	*[other] and { $otherNum } others
	}
	room-list-view-room-item-title-id = Unnamed room ({ $roomId })
	room-list-view-room-item-fav-action = Set as favourite
	room-list-view-room-item-unread-indicator = Unread
	room-list-view-room-item-unread-notification-count = { $count }
	room-list-view-room-item-unread-notification-count-text = { $count } unread {
	$count ->
	[1] message
	*[other] messages
	}
	room-tags-fav-action-notification = Set { $name } as favourite
	room-tags-fav-action-notification-failed = Cannot set { $name } as favourite. Error code: { $errorCode }. Error message: { $errorMsg }.
	room-tags-unfav-action-notification = Removed { $name } from favourites
	room-tags-unfav-action-notification-failed = Cannot remove { $name } from favourites. Error code: { $errorCode }. Error message: { $errorMsg }.
	room-tags-add-tag-action-notification = Added tag { $tag } to { $name }
	room-tags-add-tag-action-notification-failed = Cannot add tag { $tag } to { $name }. Error code: { $errorCode }. Error message: { $errorMsg }.
	room-tags-remove-tag-action-notification = Removed tag { $tag } from { $name }
	room-tags-remove-tag-action-notification-failed = Cannot remove tag { $tag } from { $name }. Error code: { $errorCode }. Error message: { $errorMsg }.
	room-list-view-room-item-more-action = More...
	room-list-view-room-item-invited = (Invited)
	room-list-view-room-item-left = (Left)

	room-settings-action = Room settings...
	room-settings-page-title = Room settings for { $room }
	room-settings-tags = Room tags
	room-settings-favourited = Set as favourite
	room-settings-remove-tag = Remove tag
	room-settings-add-tag = Add tag
	room-settings-members-action = Room members...
	room-settings-banned-members-action = Banned members...
	room-settings-enable-encryption-prompt-dialog-title = Enabling encryption
	room-settings-enable-encryption-prompt-dialog-prompt = Once you enable encryption in this room, you cannot disable it again. Are you sure?
	room-settings-enable-encryption-action = Enable encryption
	room-settings-encrypted = Messages in this room are end-to-end encrypted.
	room-settings-not-encrypted = Messages in this room are not end-to-end-encrypted.
	room-settings-encryption-enabled-notification = Encryption is now enabled in this room.
	room-settings-encryption-failed-to-enable-notification = Cannot enable encryption in this room. Error code: { $errorCode }. Error message: { $errorMsg }.
	room-settings-topic-missing = This room does not have a topic.
	room-settings-edit-topic-action = Edit topic
	room-settings-save-topic-action = Save topic
	room-settings-discard-topic-action = Discard topic
	room-settings-set-topic-failed-prompt = Cannot set topic. Error code: { $errorCode }. Error message: { $errorMsg }.

	room-member-list-page-title = Members of { $room }

	room-leave-action = Leave room
	room-leave-confirm-popup-title = Leaving room
	room-leave-confirm-popup-message = Are you sure you want to leave this room?
	room-leave-confirm-popup-confirm-action = Leave
	room-leave-confirm-popup-cancel-action = Stay

	room-forget-action = Forget room
	room-forget-confirm-popup-title = Forgetting room
	room-forget-confirm-popup-message = Are you sure you want to forget this room?
	room-forget-confirm-popup-confirm-action = Forget
	room-forget-confirm-popup-cancel-action = Cancel

	send-message-box-input-placeholder = Type your message here...
	send-message-box-send = Send
	send-message-box-send-file = Send file
	send-message-box-reply-to = Replying to
	send-message-box-edit = Editing
	send-message-box-remove-reply-to-action = Remove reply-to relationship
	send-message-box-remove-replace-action = Cancel editing
	send-message-box-stickers = Send a sticker...
	send-message-box-stickers-popup-title = Send a sticker

	sticker-picker-user-stickers = My stickers

	room-timeline-load-more-action = Load more

	room-invite-accept-action = Accept invite
	room-invite-reject-action = Reject invite
	room-invite-popup-title = Invited
	room-invite-popup-text = You are invited to join this room.
	room-invite-popup-text-with-inviter = You are invited to join this room by { $inviterName }.

	room-pinned-events-action = { $count } pinned { $count ->
	[1] message
	*[other] messages
	}...
	room-pinned-events-page-title = Pinned messages of { $room }

	## State events
	## Common parameters:
	## gender = gender of the sender (male/female/neutral)
	## stateKeyUser = name of the state key user
	## stateKeyUserGender = gender of the state key user
	member-state-joined-room = joined the room.
	member-state-changed-name-and-avatar = changed { $gender ->
	[male] his
	[female] her
	*[neutral] their
	} name and avatar.
	member-state-changed-name = changed { $gender ->
	[male] his
	[female] her
	*[neutral] their
	} name.
	member-state-changed-avatar = changed { $gender ->
	[male] his
	[female] her
	*[neutral] their
	} avatar.
	member-state-invited = invited { $stateKeyUser } to the room.
	member-state-left = left the room.
	member-state-kicked = kicked { $stateKeyUser }.
	member-state-banned = banned { $stateKeyUser }.
	member-state-unbanned = unbanned { $stateKeyUser }.

	state-room-created = created the room.
	state-room-name-changed = changed the name of the room to { $newName }.
	state-room-topic-changed = changed the topic of the room to { $newTopic }.
	state-room-avatar-changed = changed the avatar of the room.
	state-room-pinned-events-changed = changed the pinned events of the room.
	state-room-alias-changed = changed the aliases of the room.
	state-room-join-rules-changed = changed join rules of the room.
	state-room-power-levels-changed = changed power levels of the room.
	state-room-encryption-activated = enabled encryption for this room.

	event-message-image-sent = sent an image "{ $body }".
	event-message-sticker-sent = sent a sticker "{ $body }".
	event-summary-image-sent = sent an image "{ $body }".
	event-summary-sticker-sent = sent a sticker "{ $body }".
	event-message-file-sent = sent a file "{ $body }".
	event-message-video-sent = sent a video "{ $body }".
	event-summary-video-sent = sent a video "{ $body }".
	event-message-audio-sent = sent an audio "{ $body }".
	event-message-audio-play-audio = Play audio
	event-sending = Sending...
	event-send-failed = Failed to send
	event-resend = Retry sending this event
	event-deleted = (Deleted)
	event-delete = Delete
	event-delete-failed = Error deleting event. Error code: { $errorCode }. Error message: { $errorMsg }.
	event-view-source = View source...
	event-view-history = View edit history...
	event-source-popup-title = Event source
	event-source-decrypted = Decrypted event source
	event-source-original = Original event source
	event-history-popup-title = Event edit history
	event-reply-action = Reply
	event-popup-action = More about this event...
	event-reacted-with = Reacted with "{ $key }"
	event-react-action = React...
	event-react-popup-title = React to a message
	event-react-accept-action = React
	event-react-cancel-action = Cancel
	event-react-with-prompt = React with:
	event-edit-action = Edit
	event-encrypted = This message is encrypteed
	event-msgtype-fallback-text = Unknown message type: { $msgtype }
	event-fallback-text = Unknown event: { $type }
	event-cannot-decrypt-text = (Encrypted content)
	event-read-indicator-more = +{ $rest }
	event-read-indicator-list-title = Read by { $numUsers ->
	[1] 1 user
	*[other] { $numUsers } users
	}
	event-edited-indicator = (edited)
	event-pin-action = Pin to room
	event-unpin-action = Unpin from room
	event-pin-confirmation-title = Pin to room
	event-pin-confirmation = Are you sure you want to pin this message?
	event-pin-confirm-action = Pin
	event-pin-cancel-action = Do not pin
	event-pin-success-prompt = Message pinned to room.
	event-pin-failed-prompt = Unable to pin message. Error code: { $errorCode }. Error message: { $errorMsg }.
	event-unpin-confirmation-title = Unpin from room
	event-unpin-confirmation = Are you sure you want to unpin this message?
	event-unpin-confirm-action = Unpin
	event-unpin-cancel-action = Do not unpin
	event-unpin-success-prompt = Message unpinned from room.
	event-unpin-failed-prompt = Unable to unpin message. Error code: { $errorCode }. Error message: { $errorMsg }.

	media-file-menu-option-view = View
	media-file-menu-option-save-as = Save as
	media-file-menu-add-sticker-action = Add to sticker...

	add-sticker-popup-title = Add to sticker
	add-sticker-popup-short-code-prompt = Short code:
	add-sticker-popup-short-code-exists-warning = The short code already exists in this pack. The sticker above will override the existing one.
	add-sticker-popup-add-sticker-button = Add
	add-sticker-popup-cancel-button = Cancel
	add-sticker-popup-failed-prompt = Unable to add sticker. Error code: { $errorCode }. Error message: { $errorMsg }.

	kazv-io-download-success-prompt = Download successful
	kazv-io-download-failure-prompt = Download failure: { $detail }
	kazv-io-failure-detail-user-cancel = User canceled
	kazv-io-failure-detail-network-error = Network error
	kazv-io-failure-detail-open-file-error = Open file error
	kazv-io-failure-detail-write-file-error = Write file error
	kazv-io-failure-detail-hash-error = Hash check error
	kazv-io-failure-detail-response-error = Get an invalid response
	kazv-io-failure-detail-kazv-error = Unknow Error, please report this as bug.
	kazv-io-upload-failure-prompt = Upload failure: { $detail }
	kazv-io-downloading-prompt = Downloading: { $fileName }
	kazv-io-uploading-prompt = Uploading: { $fileName }
	kazv-io-prompt-close = Got it
	kazv-io-pause = Pause
	kazv-io-resume = Resume
	kazv-io-cancel = Cancel

	create-room-page-title = Create room
	create-room-page-type-prompt = Room type:
	create-room-page-type-public = Public (everyone can join)
	create-room-page-type-private = Private (only invited users can join)
	create-room-page-type-direct = Direct message (same as private, but those initially invited get admin permissions)
	create-room-page-name-prompt = Room name (optional):
	create-room-page-name-placeholder = No name
	create-room-page-alias-prompt = Room alias (optional):
	create-room-page-alias-placeholder = #foo:example.org
	create-room-page-topic-prompt = Room topic (optional):
	create-room-page-topic-placeholder = No topic
	create-room-page-allow-federate-prompt = Allow users from other servers to join
	create-room-page-action-create-room = Create room
	create-room-page-success-prompt = Room created.
	create-room-page-failed-prompt = Unable to create room. Error code: { $errorCode }. Error message: { $errorMsg }.
	create-room-invite-userids-prompt = Matrix ids of users to invite:
	create-room-page-add-invite-prompt = Add a new user to invite:
	create-room-page-add-invite-placeholder = Matrix id, e.g. @foo:example.org
	create-room-page-action-add-invite = Add
	create-room-page-action-remove-invite = Remove
	create-room-page-encrypted-prompt = Enable end-to-end encryption

	join-room-page-title = Join room
	join-room-page-id-or-alias-prompt = Room id or alias:
	join-room-page-id-or-alias-placeholder = #foo:example.org or !abcdef:example.org
	join-room-page-servers-prompt = Via servers (optional, separated by newlines):
	join-room-page-servers-placeholder =
	example.org
	example.com
	join-room-page-action-join-room = Join room
	join-room-page-success-prompt = Successfully joined room { $room }.
	join-room-page-failed-prompt = Unable to join room { $room }. Error code: { $errorCode }. Error message: { $errorMsg }.

	leave-room-success-prompt = Successfully left room { $room }.
	leave-room-failed-prompt = Unable to leave room { $room }. Error code: { $errorCode }. Error message: { $errorMsg }.

	forget-room-success-prompt = Successfully forgot room { $room }.
	forget-room-failed-prompt = Unable to forget room { $room }. Error code: { $errorCode }. Error message: { $errorMsg }.

	device-trust-level-unseen = Unseen
	device-trust-level-seen = Seen
	device-trust-level-verified = Verified
	device-trust-level-blocked = Blocked
	device-set-trust-level = Set trust level...
	device-set-trust-level-dialog-title = Set trust level
	device-set-trust-level-dialog-name-label = Device name: { $name }
	device-set-trust-level-dialog-id-label = Device id: { $id }
	device-set-trust-level-dialog-ed25519-key-label = Ed25519 public key: { $key }
	device-set-trust-level-dialog-curve25519-key-label = Curve25519 public key: { $key }
	device-set-trust-level-dialog-save = Save
	device-set-trust-level-dialog-cancel = Cancel

	settings-page-title = Settings
	settings-save = Save settings
	settings-profile-load-failed-prompt = Unable to load profile. Error code: { $errorCode }. Error message: { $errorMsg }.
	settings-profile-change-avatar = Change avatar...
	settings-profile-display-name = Display name:
	settings-profile-save-failed-prompt = Unable to save profile. Error code: { $errorCode }. Error message: { $errorMsg }.
	settings-cache-directory = Cache directory:

	typing-indicator = { $typingUser } { $otherNum ->
	[0] is typing...
	[1] and { $secondTypingUser } are typing...
	*[other] and { $otherNum } others are typing...
	}

	notification-message = <b>{ $user }:</b> { $message }
	notification-message-no-content = <b>{ $user }</b> sent you a message.
	notification-open = Open

	user-page-power-level = Power level: { $powerLevel }
	user-page-edit-power-level-action = Edit
	user-page-save-power-level-action = Save
	user-page-discard-power-level-action = Discard
	user-page-set-power-level-failed-prompt = Unable to set power level. Error code: { $errorCode }. Error message: { $errorMsg }.
	user-page-kick-user-action = Kick
	user-page-kick-user-confirm-dialog-title = Kicking user
	user-page-kick-user-confirm-dialog-content = Are you sure you want to kick { $name } ({ $userId }) out of { $roomName }?
	user-page-kick-user-reason-prompt = Reason (optional):
	user-page-kick-user-failed-prompt = Unable to kick user. Error code: { $errorCode }. Error message: { $errorMsg }.

	user-page-ban-user-action = Ban
	user-page-ban-user-confirm-dialog-title = Banning user
	user-page-ban-user-confirm-dialog-content = Are you sure you want to ban { $name } ({ $userId }) in { $roomName }?
	user-page-ban-user-reason-prompt = Reason (optional):
	user-page-ban-user-failed-prompt = Unable to ban user. Error code: { $errorCode }. Error message: { $errorMsg }.
	user-page-unban-user-action = Unban
	user-page-unban-user-failed-prompt = Unable to unban user. Error code: { $errorCode }. Error message: { $errorMsg }.
	user-page-overrided-name-placeholder = Custom display name...
	user-page-save-name-override-action = Save
	user-page-update-name-override-failed-prompt = Unable to set custom display name. Error code: { $errorCode }. Error message: { $errorMsg }.
	user-page-self-name-prompt = Own display name in room:
	user-page-self-name-placeholder = Own display name in room...
	user-page-save-self-name-action = Save
	user-page-update-self-name-failed-prompt = Unable to set own display name in room. Error code: { $errorCode }. Error message: { $errorMsg }.

	room-invite-page-title = Inviting user to { $room }
	room-invite-page-invite-failed-prompt = Unable to invite user. Error code: { $errorCode }. Error message: { $errorMsg }.
	room-invite-invitee-matrix-id-placeholder = Matrix id of the user, e.g. @foo:example.org
	room-invite-invitee-matrix-id-prompt = User to invite:
	room-invite-page-invite-button = Invite
	room-invite-action = Invite to room...

	confirm-upload-popup-title = Confirm upload
	confirm-upload-popup-prompt = You are about to upload "{ $file }" ({ $current } / { $total }).
	confirm-upload-popup-prompt-single-file = You are about to upload "{ $file }".
	confirm-upload-popup-accept-button = Upload
	confirm-upload-popup-cancel-button = Cancel

	action-cut = Cut
	action-copy = Copy
	action-paste = Paste
	action-undo = Undo
	action-redo = Redo
	action-delete = Delete
	action-select-all = Select All

	logout-failed-prompt = Logout failed. Please check your network and try again. Error code: { $errorCode }, error message: { $errorMsg }.

	confirm-logout-popup-title = Confirm logout
	confirm-logout-popup-prompt = Are you sure to logout?
	confirm-logout-popup-accept-button = Yes
	confirm-logout-popup-cancel-button = Cancel

	emoji-smileys-and-emotion = Smiley && Emotion
	emoji-people-and-body = People && Body
	emoji-animals-and-nature = Animals && Nature
	emoji-food-and-drink = Food && Drink
	emoji-travel-and-places = Travel && Places
	emoji-activities = Activities
	emoji-objects = Objects
	emoji-symbols = Symbols
	emoji-flags = Flags
	+
	+confirm-deletion-popup-title = Delete event
	+confirm-deletion-popup-message = Are you sure you want to delete this event?
	+confirm-deletion-popup-confirm-action = Delete
	+confirm-deletion-popup-cancel-action = Cancel
	diff --git a/src/matrix-room.cpp b/src/matrix-room.cpp
	index 1e04caa..973e4d6 100644
	--- a/src/matrix-room.cpp
	+++ b/src/matrix-room.cpp
	@@ -1,542 +1,551 @@
	/*
	* This file is part of kazv.
	* SPDX-FileCopyrightText: 2020-2024 tusooa <tusooa@kazv.moe>
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/

	#include <kazv-defs.hpp>

	#include <lager/setter.hpp>
	#include <nlohmann/json.hpp>
	#include <event.hpp>

	#include <QFile>
	#include <QMimeDatabase>

	#include "kazv-log.hpp"
	#include "matrix-room.hpp"
	#include "matrix-room-timeline.hpp"
	#include "matrix-room-pinned-events-timeline.hpp"
	#include "matrix-room-member.hpp"
	#include "matrix-room-member-list-model.hpp"
	#include "matrix-promise.hpp"
	#include "matrix-event.hpp"
	#include "kazv-markdown.hpp"
	#include "qt-json.hpp"
	#include "qfunctionutils.hpp"

	#include "helper.hpp"

	using namespace Qt::Literals::StringLiterals;
	using namespace Kazv;

	static const int typingDebounceMs = 500;
	static const int saveDraftDebounceMs = 5000;
	static const int typingTimeoutMs = 1000;

	MatrixRoom::MatrixRoom(Kazv::Room room, lager::reader<std::string> selfUserId, lager::reader<Kazv::Event> userGivenNicknameEvent, QObject *parent)
	: QObject(parent)
	, m_room(room)
	, m_userGivenNicknameEvent(userGivenNicknameEvent)
	, m_selfUserId(selfUserId)
	, m_memberNames(m_room.members())
	, m_powerLevels(m_room.powerLevels())
	, LAGER_QT(roomId)(m_room.roomId().xform(strToQt))
	, LAGER_QT(name)(m_room.nameOpt()[lager::lenses::or_default].xform(strToQt))
	, LAGER_QT(topic)(m_room.topic().xform(strToQt))
	, LAGER_QT(heroNames)(m_room.heroDisplayNames().xform(strListToQt))
	, LAGER_QT(heroEvents)(m_room.heroMemberEvents()
	.map([](const auto &events) {
	auto res = QList<QVariant>{};
	res.reserve(events.size());
	std::transform(events.begin(), events.end(),
	std::back_inserter(res),
	[](const auto &event) -> QVariant {
	return event.originalJson().get().template get<QJsonObject>();
	});
	return QVariant(res);
	}))
	, LAGER_QT(avatarMxcUri)(m_room.avatarMxcUri().xform(strToQt))
	, LAGER_QT(roomOrHeroAvatarMxcUri)(lager::with(m_room.heroMemberEvents(), m_room.avatarMxcUri())
	.map([](const auto &heroes, const auto &roomAvatar) {
	if (!roomAvatar.empty()) {
	return roomAvatar;
	}
	if (heroes.size() == 1) {
	return zug::reduce(roomMemberToAvatar(zug::last), std::string(), heroes);
	}
	return std::string();
	})
	.xform(strToQt))
	, LAGER_QT(localDraft)(m_room.localDraft().xform(strToQt))
	, LAGER_QT(encrypted)(m_room.encrypted())
	, LAGER_QT(memberNames)(m_memberNames.xform(strListToQt))
	, LAGER_QT(tagIds)(m_room.tags().map([](const auto &tagsMap) {
	return zug::into(
	QStringList(),
	zug::map([](const auto pair) {
	return QString::fromStdString(pair.first);
	}),
	tagsMap);
	}))
	, LAGER_QT(membership)(m_room.membership().map([](const auto &membership) { return static_cast<Membership>(membership); }))
	, LAGER_QT(unreadNotificationCount)(m_room.unreadNotificationEventIds().map([](const auto &cont) -> int { return cont.size(); }))
	, m_setTypingThrottled(QFunctionUtils::Throttle([self=QPointer<MatrixRoom>(this)]() {
	if (self) {
	self->setTypingImpl();
	}
	}, typingDebounceMs))
	, m_updateLocalDraftDebounced(QFunctionUtils::Debounce([self=QPointer<MatrixRoom>(this)]() {
	if (self) {
	self->updateLocalDraftNow();
	}
	}, saveDraftDebounceMs))
	, m_internalLocalDraft(std::nullopt)
	{
	lager::watch(m_powerLevels, [this](auto &&) {
	powerLevelsChanged();
	});
	}

	MatrixRoom::~MatrixRoom() {
	updateLocalDraftNow();
	}

	MatrixRoomTimeline *MatrixRoom::timeline() const
	{
	return new MatrixRoomTimeline(m_room);
	}

	MatrixRoomPinnedEventsTimeline *MatrixRoom::pinnedEventsTimeline() const
	{
	return new MatrixRoomPinnedEventsTimeline(m_room);
	}

	MatrixPromise *MatrixRoom::pinEvents(const QStringList &eventIds) const
	{
	return new MatrixPromise(m_room.pinEvents(intoImmer(
	immer::flex_vector<std::string>(),
	qStringToStd,
	eventIds)));
	}

	MatrixPromise *MatrixRoom::unpinEvents(const QStringList &eventIds) const
	{
	return new MatrixPromise(m_room.unpinEvents(intoImmer(
	immer::flex_vector<std::string>(),
	qStringToStd,
	eventIds)));
	}

	static void maybeAddRelations(nlohmann::json &msg, const QString &relType, const QString &relatedTo)
	{
	if (relatedTo.isEmpty()) {
	return;
	}

	if (relType == u"m.in_reply_to"_s) {
	msg["content"]["m.relates_to"] = nlohmann::json{
	{"m.in_reply_to", {
	{"event_id", relatedTo},
	}},
	};
	} else {
	msg["content"]["m.relates_to"] = nlohmann::json{
	{"rel_type", relType},
	{"event_id", relatedTo},
	};
	}
	}

	static const std::string HTML_FORMAT = "org.matrix.custom.html";

	nlohmann::json makeTextMessageJson(const QString &text, const QString &relType, const QString &relatedTo, Event replyToEvent)
	{
	auto msg = nlohmann::json{
	{"type", "m.room.message"},
	{"content", {
	{"msgtype", "m.text"},
	{"body", text},
	}},
	};

	std::string replyToBody;
	if (relType == u"m.in_reply_to"_s && !relatedTo.isEmpty()) {
	auto replyToContent = replyToEvent.content().get();
	if (replyToContent.contains("format")
	&& replyToContent["format"] == HTML_FORMAT
	&& replyToContent.contains("formatted_body")
	&& replyToContent["formatted_body"].is_string()) {
	replyToBody = replyToContent["formatted_body"].template get<std::string>();
	auto replyPos = replyToBody.find("</mx-reply>");
	if (replyPos != std::string::npos) {
	replyToBody.erase(0, replyPos + std::string("</mx-reply>").size());
	}
	} else if (replyToContent.contains("body") && replyToContent["body"].is_string()) {
	replyToBody = markdownToHtml(replyToContent["body"].template get<std::string>()).html;
	}

	if (!replyToBody.empty()) {
	replyToBody = "<mx-reply><blockquote>" + replyToBody + "</blockquote></mx-reply>";
	}
	}
	auto richText = markdownToHtml(text.toStdString());
	msg["content"]["format"] = HTML_FORMAT;
	msg["content"]["formatted_body"] = replyToBody + richText.html;
	auto mentions = richText.mentions;
	if (!replyToEvent.sender().empty()
	&& std::find(mentions.begin(), mentions.end(), replyToEvent.sender()) == mentions.end()) {
	mentions = std::move(mentions).push_back(replyToEvent.sender());
	}

	if (!mentions.empty()) {
	msg["content"]["m.mentions"] = {
	{"user_ids", mentions},
	};
	}

	if (relType == u"m.replace"_s && !relatedTo.isEmpty()) {
	msg["content"]["m.new_content"] = msg["content"];
	}

	maybeAddRelations(msg, relType, relatedTo);
	return msg;
	}

	void MatrixRoom::sendMessage(const QJsonObject &eventJson, const QString &relType, const QString &relatedTo) const
	{
	auto msg = nlohmann::json(eventJson);
	maybeAddRelations(msg, relType, relatedTo);
	m_room.sendMessage(Event(msg));
	}

	void MatrixRoom::sendTextMessage(QString text, const QString &relType, QString relatedTo) const
	{
	Event replyToEvent = (relType == u"m.in_reply_to"_s && !relatedTo.isEmpty())
	? m_room.message(lager::make_constant(relatedTo.toStdString())).make().get()
	: Event();
	auto j = makeTextMessageJson(text, relType, relatedTo, replyToEvent);
	m_room.sendMessage(Event(j));
	}

	void MatrixRoom::sendMediaFileMessage(QString fileName, QString mimeType, qint64 fileSize, QString mxcUri) const
	{
	auto j = makeMediaFileMessageJson(fileName, mimeType, fileSize, mxcUri);
	Kazv::Event e{j};
	m_room.sendMessage(e);
	}

	void MatrixRoom::sendEncryptedFileMessage(const QString &fileName, const QString &mimeType,
	const qint64 fileSize, const QString &mxcUri,
	const QString &key, const QString &iv, const QByteArray &hash) const
	{
	auto j = makeEncryptedFileMessageJson(fileName, mimeType, fileSize, mxcUri, key, iv, hash);
	Kazv::Event e{j};
	m_room.sendMessage(e);
	}

	static nlohmann::json makeReactionJson(QString text, QString relatedTo)
	{
	auto msg = nlohmann::json{
	{"type", "m.reaction"},
	{"content", {
	{"m.relates_to", {
	{"rel_type", "m.annotation"},
	{"event_id", relatedTo.toStdString()},
	{"key", text.toStdString()},
	}},
	}},
	};

	return msg;
	}

	void MatrixRoom::sendReaction(QString text, QString relatedTo) const
	{
	auto j = makeReactionJson(text, relatedTo);
	m_room.sendMessage(Event(j));
	}

	void MatrixRoom::resendMessage(QString txnId) const
	{
	m_room.resendMessage(txnId.toStdString());
	}

	MatrixPromise *MatrixRoom::sendStateEvent(const QJsonObject &eventJson) const
	{
	return new MatrixPromise(m_room.sendStateEvent(Event(json(eventJson))));
	}

	MatrixPromise *MatrixRoom::setSelfName(const QString &name) const
	{
	auto eventJson = m_room.state({"m.room.member", m_selfUserId.get()}).make().get().originalJson().get();
	eventJson.merge_patch(json{
	{"content", {
	{"displayname", name.toStdString()},
	}},
	});

	return new MatrixPromise(m_room.sendStateEvent(Event(json(eventJson))));
	}

	nlohmann::json MatrixRoom::makeMediaFileMessageJson(QString fileName, QString mimeType, qint64 fileSize, QString mxcUri) const
	{
	static auto available_msgtype = std::array<std::string, 3>{"m.audio", "m.video", "m.image"};
	auto try_msgtype = std::find(available_msgtype.begin(), available_msgtype.end(),
	u"m."_s.append(mimeType.split(u'/')[0]).toStdString());
	std::string msgtype;
	if (try_msgtype == available_msgtype.end()) {
	msgtype = "m.file";
	} else {
	msgtype = *try_msgtype;
	}
	return nlohmann::json {
	{"type", "m.room.message"},
	{"content", {
	{"msgtype", msgtype},
	{"body", fileName.toStdString()},
	{"url", mxcUri.toStdString()},
	{"info", {
	{"size", fileSize},
	{"mimetype", mimeType.toStdString()}
	}}
	}}
	};
	}

	nlohmann::json MatrixRoom::makeEncryptedFileMessageJson(const QString &fileName, const QString &mimeType,
	const qint64 fileSize, const QString &mxcUri,
	const QString &key, const QString &iv, const QByteArray &hash) const
	{
	static auto available_msgtype = std::array<std::string, 3>{"m.audio", "m.video", "m.image"};
	auto try_msgtype = std::find(available_msgtype.begin(), available_msgtype.end(),
	u"m."_s.append(mimeType.split(u'/')[0]).toStdString());
	std::string msgtype;
	if (try_msgtype == available_msgtype.end()) {
	msgtype = "m.file";
	} else {
	msgtype = *try_msgtype;
	}
	return nlohmann::json {
	{"type", "m.room.message"},
	{"content", {
	{"msgtype", msgtype},
	{"body", fileName.toStdString()},
	{"file", {
	{"url", mxcUri.toStdString()},
	{"key", {
	{"kty", "oct"},
	{"key_ops", nlohmann::json::array({"encrypt", "decrypt"})},
	{"alg", "A256CTR"},
	{"k", key.toStdString()},
	{"ext", true}
	}},
	{"iv", iv.toStdString()},
	{"hashes", {
	{"sha256", hash.toStdString()}
	}},
	{"v", "v2"}
	}},
	{"info", {
	{"size", fileSize},
	{"mimetype", mimeType.toStdString()}
	}}
	}}
	};
	}

	MatrixPromise *MatrixRoom::redactEvent(QString eventId, QString reason) const
	{
	qCInfo(kazvLog) << "redactEvent(" << eventId << ", " << reason << ")";
	return new MatrixPromise(m_room.redactEvent(
	eventId.toStdString(),
	reason.isEmpty() ? std::nullopt : std::optional<std::string>(reason.toStdString())
	));
	}

	MatrixPromise *MatrixRoom::removeLocalEcho(QString txnId) const
	{
	return new MatrixPromise(m_room.removeLocalEcho(txnId.toStdString()));
	}

	MatrixPromise *MatrixRoom::addOrSetTag(QString tagId) const
	{
	return new MatrixPromise(m_room.addOrSetTag(tagId.toStdString()));
	}

	MatrixPromise *MatrixRoom::removeTag(QString tagId) const
	{
	return new MatrixPromise(m_room.removeTag(tagId.toStdString()));
	}

	MatrixPromise *MatrixRoom::paginateBackFrom(QString eventId) const
	{
	return new MatrixPromise(m_room.paginateBackFromEvent(eventId.toStdString()));
	}

	MatrixPromise *MatrixRoom::leaveRoom() const
	{
	return new MatrixPromise(m_room.leave());
	}

	MatrixPromise *MatrixRoom::forgetRoom() const
	{
	return new MatrixPromise(m_room.forget());
	}

	MatrixRoomMember *MatrixRoom::memberAt(int index) const
	{
	return new MatrixRoomMember(m_room.memberEventByCursor(
	m_memberNames[index][lager::lenses::or_default]));
	}

	MatrixRoomMember *MatrixRoom::member(QString userId) const
	{
	return new MatrixRoomMember(m_room.memberEventFor(userId.toStdString()));
	}

	MatrixEvent *MatrixRoom::messageById(QString eventId) const
	{
	return new MatrixEvent(
	m_room.message(lager::make_constant(eventId.toStdString()))
	.map([](const auto &e) -> std::variant<Kazv::Event, Kazv::LocalEchoDesc> { return e; }),
	m_room
	);
	}

	+MatrixEvent *MatrixRoom::localEchoById(QString txnId) const
	+{
	+ return new MatrixEvent(
	+ m_room.localEcho(lager::make_constant(txnId.toStdString()))
	+ .map([](const auto &e) -> std::variant<Kazv::Event, Kazv::LocalEchoDesc> { return e; }),
	+ m_room
	+ );
	+}
	+
	MatrixRoomMemberListModel *MatrixRoom::typingUsers() const
	{
	return new MatrixRoomMemberListModel(
	m_room.typingMemberEvents()
	.xform(containerMap(EventList{}, zug::filter([self=m_selfUserId.make().get()](const auto &e) {
	return e.stateKey() != self;
	})))
	);
	}

	void MatrixRoom::setTyping(bool typing)
	{
	if (typing) {
	m_setTypingThrottled();
	} else {
	m_room.setTyping(false, std::nullopt);
	}
	}

	void MatrixRoom::setTypingImpl()
	{
	m_room.setTyping(true, typingTimeoutMs);
	}

	void MatrixRoom::setLocalDraft(QString localDraft)
	{
	// To avoid heavy computations when updating the local draft again
	// and again, we only set our internal state. **Assume only
	// one MatrixRoom can deal with the local draft** at the same time,
	// it is safe to update it debounced and when we are destructed.
	// See also the destructor.
	m_internalLocalDraft = localDraft;
	m_updateLocalDraftDebounced();
	}

	void MatrixRoom::updateLocalDraftNow()
	{
	if (m_internalLocalDraft.has_value()) {
	m_room.setLocalDraft(m_internalLocalDraft.value().toStdString());
	m_internalLocalDraft = std::nullopt;
	}
	}

	MatrixRoomMemberListModel *MatrixRoom::members() const
	{
	return new MatrixRoomMemberListModel(
	m_room.joinedMemberEvents(),
	QString(),
	m_userGivenNicknameEvent
	);
	}

	MatrixRoomMemberListModel *MatrixRoom::bannedMembers() const
	{
	return new MatrixRoomMemberListModel(
	m_room.bannedMemberEvents(),
	QString(),
	m_userGivenNicknameEvent
	);
	}

	qint64 MatrixRoom::userPowerLevel(const QString &userId) const
	{
	auto e = m_powerLevels.get().normalizedEvent().content().get();
	auto userIdStd = userId.toStdString();
	return e.at("users").contains(userIdStd)
	? e.at("users")[userIdStd].template get<Kazv::PowerLevel>()
	: e.at("users_default").template get<Kazv::PowerLevel>();
	}

	MatrixPromise *MatrixRoom::setUserPowerLevel(const QString &userId, qint64 powerLevel) const
	{
	auto next = m_powerLevels.get().setUser(userId.toStdString(), powerLevel);
	return new MatrixPromise(m_room.sendStateEvent(next.originalEvent()));
	}

	MatrixPromise *MatrixRoom::unsetUserPowerLevel(const QString &userId) const
	{
	auto next = m_powerLevels.get().setUser(userId.toStdString(), std::nullopt);
	return new MatrixPromise(m_room.sendStateEvent(next.originalEvent()));
	}

	MatrixPromise *MatrixRoom::getStateEvent(const QString &type, const QString &stateKey) const
	{
	return new MatrixPromise(m_room.getStateEvent(
	type.toStdString(), stateKey.toStdString()
	));
	}

	MatrixPromise *MatrixRoom::ensureStateEvent(const QString &type, const QString &stateKey) const
	{
	if (m_room
	.stateOpt({type.toStdString(), stateKey.toStdString()})
	.make()
	.get()
	.has_value()) {
	return MatrixPromise::createResolved(true, QJsonObject());
	} else {
	return getStateEvent(type, stateKey);
	}
	}

	MatrixPromise *MatrixRoom::refreshState() const
	{
	return new MatrixPromise(m_room.refreshRoomState());
	}

	MatrixPromise *MatrixRoom::kickUser(const QString &userId, const QString &reason) const
	{
	return new MatrixPromise(m_room.kick(userId.toStdString(), reason.toStdString()));
	}

	MatrixPromise *MatrixRoom::banUser(const QString &userId, const QString &reason) const
	{
	return new MatrixPromise(m_room.ban(userId.toStdString(), reason.toStdString()));
	}

	MatrixPromise *MatrixRoom::unbanUser(const QString &userId) const
	{
	return new MatrixPromise(m_room.unban(userId.toStdString()));
	}

	MatrixPromise *MatrixRoom::inviteUser(const QString &userId) const
	{
	return new MatrixPromise(m_room.invite(userId.toStdString()));
	}

	MatrixPromise *MatrixRoom::postReadReceipt(const QString &eventId) const
	{
	return new MatrixPromise(m_room.postReceipt(eventId.toStdString()));
	}

	MatrixPromise *MatrixRoom::setTopic(const QString &newTopic) const
	{
	return new MatrixPromise(m_room.setTopic(newTopic.toStdString()));
	}
	diff --git a/src/matrix-room.hpp b/src/matrix-room.hpp
	index 2b391d5..e328167 100644
	--- a/src/matrix-room.hpp
	+++ b/src/matrix-room.hpp
	@@ -1,168 +1,170 @@
	/*
	* This file is part of kazv.
	* SPDX-FileCopyrightText: 2020-2024 tusooa <tusooa@kazv.moe>
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/

	#pragma once
	#include <kazv-defs.hpp>

	#include <QObject>
	#include <QQmlEngine>
	#include <QUrl>
	#include <QTimer>

	#include <lager/extra/qt.hpp>

	#include <client/room/room.hpp>
	Q_MOC_INCLUDE("matrix-room-timeline.hpp")
	Q_MOC_INCLUDE("matrix-room-pinned-events-timeline.hpp")

	class MatrixRoomTimeline;
	class MatrixRoomPinnedEventsTimeline;
	class MatrixRoomMember;
	class MatrixPromise;
	class MatrixRoomMemberListModel;
	class MatrixEvent;

	nlohmann::json makeTextMessageJson(const QString &text, const QString &relType, const QString &relatedTo, Kazv::Event replyToEvent);

	class MatrixRoom : public QObject
	{
	Q_OBJECT
	QML_ELEMENT
	QML_UNCREATABLE("")

	Kazv::Room m_room;
	lager::reader<Kazv::Event> m_userGivenNicknameEvent;
	lager::reader<std::string> m_selfUserId;
	lager::reader<immer::flex_vector<std::string>> m_memberNames;
	lager::reader<Kazv::PowerLevelsDesc> m_powerLevels;

	public:
	enum Membership {
	Invite = Kazv::RoomMembership::Invite,
	Join = Kazv::RoomMembership::Join,
	Leave = Kazv::RoomMembership::Leave,
	};
	Q_ENUM(Membership);

	explicit MatrixRoom(Kazv::Room room, lager::reader<std::string> selfUserId, lager::reader<Kazv::Event> userGivenNicknameEvent = lager::make_constant(Kazv::Event()), QObject *parent = 0);
	~MatrixRoom() override;

	LAGER_QT_READER(QString, roomId);
	LAGER_QT_READER(QString, name);
	LAGER_QT_READER(QString, topic);
	LAGER_QT_READER(QStringList, heroNames);
	LAGER_QT_READER(QVariant, heroEvents);
	LAGER_QT_READER(QString, avatarMxcUri);
	LAGER_QT_READER(QString, roomOrHeroAvatarMxcUri);
	LAGER_QT_READER(QString, localDraft);
	LAGER_QT_READER(bool, encrypted);

	LAGER_QT_READER(QStringList, memberNames);
	LAGER_QT_READER(QStringList, tagIds);
	LAGER_QT_READER(Membership, membership);
	LAGER_QT_READER(int, unreadNotificationCount);

	Q_INVOKABLE MatrixRoomMember *memberAt(int index) const;

	Q_INVOKABLE MatrixRoomMember *member(QString userId) const;

	Q_INVOKABLE MatrixRoomTimeline *timeline() const;

	Q_INVOKABLE MatrixRoomPinnedEventsTimeline *pinnedEventsTimeline() const;

	Q_INVOKABLE MatrixPromise *pinEvents(const QStringList &eventIds) const;

	Q_INVOKABLE MatrixPromise *unpinEvents(const QStringList &eventIds) const;

	Q_INVOKABLE MatrixEvent *messageById(QString eventId) const;

	+ Q_INVOKABLE MatrixEvent *localEchoById(QString txnId) const;
	+
	Q_INVOKABLE void sendMessage(const QJsonObject &eventJson, const QString &relType, const QString &relatedTo) const;

	Q_INVOKABLE void sendTextMessage(QString text, const QString &relType, QString relatedTo) const;

	Q_INVOKABLE void sendMediaFileMessage(QString fileName, QString mimeType,
	qint64 fileSize, QString mxcUri) const;

	Q_INVOKABLE void sendEncryptedFileMessage(const QString &fileName, const QString& mimeType,
	const qint64 fileSize, const QString& mxcUri,
	const QString &key, const QString &iv, const QByteArray &hash) const;

	Q_INVOKABLE void sendReaction(QString text, QString relatedTo) const;

	Q_INVOKABLE void resendMessage(QString txnId) const;

	Q_INVOKABLE MatrixPromise *sendStateEvent(const QJsonObject &eventJson) const;

	Q_INVOKABLE MatrixPromise *setSelfName(const QString &name) const;

	Q_INVOKABLE MatrixPromise *redactEvent(QString eventId, QString reason) const;

	Q_INVOKABLE MatrixPromise *removeLocalEcho(QString txnId) const;

	Q_INVOKABLE MatrixRoomMemberListModel *typingUsers() const;

	Q_INVOKABLE void setTyping(bool typing);

	Q_INVOKABLE void setLocalDraft(QString localDraft);

	Q_INVOKABLE void updateLocalDraftNow();

	Q_INVOKABLE MatrixPromise *addOrSetTag(QString tagId) const;

	Q_INVOKABLE MatrixPromise *removeTag(QString tagId) const;

	Q_INVOKABLE MatrixPromise *paginateBackFrom(QString eventId) const;

	Q_INVOKABLE MatrixPromise *leaveRoom() const;

	Q_INVOKABLE MatrixPromise *forgetRoom() const;

	Q_INVOKABLE MatrixRoomMemberListModel *members() const;

	Q_INVOKABLE MatrixRoomMemberListModel *bannedMembers() const;

	Q_INVOKABLE qint64 userPowerLevel(const QString &userId) const;

	Q_INVOKABLE MatrixPromise *setUserPowerLevel(const QString &userId, qint64 powerLevel) const;

	Q_INVOKABLE MatrixPromise *unsetUserPowerLevel(const QString &userId) const;

	Q_INVOKABLE MatrixPromise *getStateEvent(const QString &type, const QString &stateKey) const;

	Q_INVOKABLE MatrixPromise *ensureStateEvent(const QString &type, const QString &stateKey) const;

	Q_INVOKABLE MatrixPromise *refreshState() const;

	Q_INVOKABLE MatrixPromise *kickUser(const QString &userId, const QString &reason) const;

	Q_INVOKABLE MatrixPromise *banUser(const QString &userId, const QString &reason = QStringLiteral()) const;

	Q_INVOKABLE MatrixPromise *unbanUser(const QString &userId) const;

	Q_INVOKABLE MatrixPromise *inviteUser(const QString &userId) const;

	Q_INVOKABLE MatrixPromise *postReadReceipt(const QString &eventId) const;

	Q_INVOKABLE MatrixPromise *setTopic(const QString &newTopic) const;

	Q_SIGNALS:
	void powerLevelsChanged();

	protected:
	nlohmann::json makeMediaFileMessageJson(QString fileName, QString mimeType,
	qint64 fileSize, QString mxcUri) const;
	nlohmann::json makeEncryptedFileMessageJson(const QString &fileName, const QString &mimeType,
	const qint64 fileSize, const QString &mxcUri,
	const QString &key, const QString &iv, const QByteArray &hash) const;

	private Q_SLOTS:
	void setTypingImpl();

	private:
	std::function<void()> m_setTypingThrottled;
	std::function<void()> m_updateLocalDraftDebounced;
	std::optional<QString> m_internalLocalDraft;
	};
	diff --git a/src/tests/quick-tests/tst_EventView.qml b/src/tests/quick-tests/tst_EventView.qml
	index ab92ad6..37ec4d2 100644
	--- a/src/tests/quick-tests/tst_EventView.qml
	+++ b/src/tests/quick-tests/tst_EventView.qml
	@@ -1,753 +1,753 @@
	/*
	* This file is part of kazv.
	* SPDX-FileCopyrightText: 2023 tusooa <tusooa@kazv.moe>
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/

	import QtQuick 2.3
	import QtQuick.Layouts 1.15
	import QtTest 1.0

	import moe.kazv.mxc.kazv 0.0 as MK
	import org.kde.kirigami 2.13 as Kirigami
	import '../../contents/ui' as Kazv
	import 'test-helpers.js' as Helpers
	import 'test-helpers' as TestHelpers

	Item {
	id: item
	width: 800
	height: 600

	property var mockHelper: TestHelpers.MockHelper {}

	property var activateUserPage: mockHelper.noop()
	property var paginateBackRequested: mockHelper.noop()
	property var viewEventHistoryRequested: mockHelper.noop()
	property var pinEventRequested: mockHelper.noop()
	property var unpinEventRequested: mockHelper.noop()
	+ property var deleteEventRequested: mockHelper.noop()

	property var timeline: ({
	gaps: [],
	})

	property var pinnedEvents: ({
	count: 2,
	eventIds: ['$123', '$456'],
	})

	property var room: ({
	resendMessage: mockHelper.promise(),
	removeLocalEcho: mockHelper.promise(),
	ensureStateEvent: mockHelper.promise(),
	messageById: (_id) => item.textEvent,
	member: (_id) => ({}),
	})
	property var l10n: Helpers.fluentMock
	property var matrixSdk: TestHelpers.MatrixSdkMock {
	property var userId: '@foo:tusooa.xyz'
	}
	property var sdkVars: QtObject {
	property var userGivenNicknameMap: QtObject {
	property var map: ({
	'@foo:tusooa.xyz': 'something',
	})
	}
	}
	property var kazvIOManager: TestHelpers.KazvIOManagerMock {}
	property var localEcho: ({
	eventId: '',
	sender: '',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'm.text',
	body: 'some body',
	},
	encrypted: false,
	isState: false,
	unsignedData: {},
	isLocalEcho: true,
	isSending: true,
	isFailed: false,
	txnId: 'some-txn-id',
	})

	property var failedLocalEcho: Object.assign({}, item.localEcho, { isSending: false, isFailed: true, })

	property var textEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'm.text',
	body: 'some body',
	},
	formattedTime: '4:06 P.M.',
	})

	property var htmlEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'm.text',
	body: 'some body',
	format: 'org.matrix.custom.html',
	formatted_body: '<strong>some body</strong>',
	},
	formattedTime: '4:06 P.M.',
	})

	property var replyHtmlEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	replyingToEventId: '$xxx',
	content: {
	msgtype: 'm.text',
	body: '> some quote\nsome body',
	format: 'org.matrix.custom.html',
	formatted_body: '<mx-reply><blockquote>some quote</blockquote></mx-reply><strong>some body</strong>',
	},
	formattedTime: '4:06 P.M.',
	})

	property var replyNoQuoteHtmlEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	replyingToEventId: '$xxx',
	content: {
	msgtype: 'm.text',
	body: 'some body',
	format: 'org.matrix.custom.html',
	formatted_body: '<strong>some body</strong>',
	},
	formattedTime: '4:06 P.M.',
	})

	property var redactedEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	content: {},
	redacted: true,
	formattedTime: '4:06 P.M.',
	})

	property var imageEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'm.image',
	body: 'some body',
	info: {
	h: Kirigami.Units.gridUnit * 10,
	w: Kirigami.Units.gridUnit * 10,
	}
	},
	formattedTime: '4:06 P.M.',
	})

	property var stickerEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'm.sticker',
	stateKey: '',
	content: {
	body: 'some body',
	},
	formattedTime: '4:06 P.M.',
	})

	property var videoEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'm.image',
	body: 'some body',
	info: {
	h: Kirigami.Units.gridUnit * 10,
	w: Kirigami.Units.gridUnit * 10,
	}
	},
	formattedTime: '4:06 P.M.',
	})

	property var eventBySomeoneElse: ({
	eventId: '',
	sender: '@bar:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'm.image',
	body: 'some body',
	},
	formattedTime: '4:06 P.M.',
	})

	property var eventTextBySomeoneElse: ({
	eventId: '',
	sender: '@bar:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'm.text',
	body: 'some body',
	},
	formattedTime: '4:06 P.M.',
	})

	property var ignoredEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	relationType: 'm.replace',
	stateKey: '',
	content: {
	msgtype: 'm.image',
	body: 'some body',
	},
	formattedTime: '4:06 P.M.',
	})

	property var unknownTypeEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'moe.kazv.mxc.unknown.event',
	stateKey: '',
	content: {
	msgtype: 'm.image',
	body: 'some body',
	},
	})

	property var unknownMsgtypeEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'moe.kazv.mxc.unknown.msgtype',
	body: 'some body',
	},
	})

	property var cannotDecryptEvent: ({
	eventId: '',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'moe.kazv.mxc.cannot.decrypt',
	body: 'some body',
	},
	})

	property var editedEvent: ({
	eventId: '!some-event-id',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'm.text',
	body: 'some body',
	},
	formattedTime: '4:06 P.M.',
	isEdited: true,
	})

	property var pinnedEvent: ({
	eventId: '$123',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	content: {
	msgtype: 'm.text',
	body: 'some body',
	},
	formattedTime: '4:06 P.M.',
	})

	property var notPinnedEvent: ({
	eventId: '$789',
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	content: {
	msgtype: 'm.text',
	body: 'some body',
	},
	formattedTime: '4:06 P.M.',
	})

	property var sender: ({
	membership: 'join',
	userId: '@foo:tusooa.xyz',
	name: 'foo',
	avatarMxcUri: '',
	})

	property var senderOther: ({
	membership: 'join',
	userId: '@bar:tusooa.xyz',
	name: 'bar',
	avatarMxcUri: '',
	})

	property var eventViewComp: Component {
	Kazv.EventView {
	Layout.fillWidth: true
	event: QtObject {
	property var eventId: '$some-event-id'
	function readers() { return 0; }
	}
	sender: item.sender
	isGapped: true
	}
	}

	property var eventComp: Component {
	QtObject {
	property var eventId: '$some-event-id'
	function readers() { return 0; }
	}
	}

	ColumnLayout {
	anchors.fill: parent
	Kazv.EventView {
	Layout.fillWidth: true
	id: eventView
	event: item.localEcho
	sender: item.sender
	}

	Kazv.EventView {
	Layout.fillWidth: true
	id: eventViewFailed
	event: item.failedLocalEcho
	sender: item.sender
	+ property int index: 0
	}

	Kazv.EventView {
	Layout.fillWidth: true
	id: eventViewText
	event: item.textEvent
	sender: item.sender
	}

	Kazv.EventView {
	Layout.fillWidth: true
	id: eventViewHtml
	event: item.htmlEvent
	sender: item.sender
	}

	Kazv.EventView {
	Layout.fillWidth: true
	id: eventViewHtmlReply
	event: item.replyHtmlEvent
	sender: item.sender
	}

	Kazv.EventView {
	Layout.fillWidth: true
	id: eventViewHtmlReplyNoQuote
	event: item.replyNoQuoteHtmlEvent
	sender: item.sender
	}

	Kazv.EventView {
	Layout.fillWidth: true
	id: eventViewRedacted
	event: item.redactedEvent
	sender: item.sender
	}

	Kazv.EventView {
	id: eventViewUnknownType
	event: item.unknownTypeEvent
	sender: item.sender
	}

	Kazv.EventView {
	id: eventViewUnknownMsgtype
	event: item.unknownMsgtypeEvent
	sender: item.sender
	}

	Kazv.EventView {
	id: eventViewCannotDecrypt
	event: item.cannotDecryptEvent
	sender: item.sender
	}

	Kazv.EventView {
	id: eventViewCollapseSameSender
	event: item.imageEvent
	sender: item.sender
	prevEvent: item.redactedEvent
	}

	Kazv.EventView {
	id: eventViewCollapseLocalEcho
	event: item.localEcho
	sender: item.sender
	prevEvent: item.redactedEvent
	}

	Kazv.EventView {
	id: eventViewDontCollapseDifferentSender
	event: item.imageEvent
	sender: item.sender
	prevEvent: item.eventBySomeoneElse
	}

	Kazv.EventView {
	id: eventViewDontCollapseLocalEchoDifferentSender
	event: item.localEcho
	sender: item.sender
	prevEvent: item.eventBySomeoneElse
	}

	Kazv.EventView {
	id: eventViewDontCollapseIgnoredEvent
	event: item.imageEvent
	sender: item.sender
	prevEvent: item.ignoredEvent
	}

	Kazv.EventView {
	id: eventViewTextBySomeoneElse
	event: item.eventTextBySomeoneElse
	sender: item.senderOther
	}

	Kazv.EventView {
	id: eventViewImage
	event: item.imageEvent
	sender: item.sender
	}

	Kazv.EventView {
	id: eventViewImageCompact
	compactMode: true
	event: item.imageEvent
	sender: item.sender
	}

	Kazv.EventView {
	id: eventViewSticker
	event: item.stickerEvent
	sender: item.sender
	}

	Kazv.EventView {
	id: eventViewStickerCompact
	compactMode: true
	event: item.stickerEvent
	sender: item.sender
	}


	Kazv.EventView {
	id: eventViewVideo
	event: item.videoEvent
	sender: item.sender
	}

	Kazv.EventView {
	id: eventViewVideoCompact
	compactMode: true
	event: item.videoEvent
	sender: item.sender
	}

	Kazv.EventView {
	Layout.fillWidth: true
	id: eventViewEdited
	event: item.editedEvent
	sender: item.sender
	}

	Kazv.EventView {
	Layout.fillWidth: true
	id: eventViewPinned
	event: item.pinnedEvent
	sender: item.sender
	}

	Kazv.EventView {
	Layout.fillWidth: true
	id: eventViewNotPinned
	event: item.notPinnedEvent
	sender: item.sender
	}
	}

	TestCase {
	id: eventViewTest
	name: 'EventViewTest'
	when: windowShown

	function init() {
	eventView.event = item.localEcho;
	mockHelper.clearAll();
	}

	function test_localEcho() {
	const indicator = findChild(eventView, 'localEchoIndicator');
	verify(indicator);
	verify(indicator.icon.name === 'state-sync');
	verify(indicator.Accessible.name === l10n.get('event-sending'));

	const resendButton = findChild(eventView, 'localEchoIndicator');
	verify(resendButton);
	verify(!resendButton.enabled);

	verify(!findChild(eventView, 'timeIndicator').visible);
	}

	function test_localEchoFailedRemove() {
	const indicator = findChild(eventViewFailed, 'localEchoIndicator');
	verify(indicator);
	verify(indicator.visible);
	verify(indicator.icon.name === 'state-warning');
	verify(indicator.Accessible.name === l10n.get('event-resend'));

	const menuComp = findChild(eventViewFailed, 'bubble').menuComp;
	const menu = menuComp.createObject(menuComp.parent);
	const deleteAction = findChild(menu, 'deleteMenuItem');
	+ verify(deleteAction.enabled);
	deleteAction.trigger();
	-
	- tryVerify(() => item.room.removeLocalEcho.calledTimes() === 1);
	- tryVerify(() => item.room.removeLocalEcho.lastArgs()[0] === 'some-txn-id');
	- verify(item.room.resendMessage.calledTimes() === 0);
	+ compare(deleteEventRequested.calledTimes(), 1);
	}

	function test_sentMessage() {
	const indicator = findChild(eventViewText, 'localEchoIndicator');
	verify(indicator);
	verify(!indicator.visible);

	verify(findChild(eventViewText, 'timeIndicator').visible);
	}

	function test_htmlMessage() {
	const text = findChild(eventViewHtml, 'eventViewMainItem');
	verify(text.textFormat === TextEdit.RichText);
	verify(text.text.includes('some body'));
	}

	function test_htmlMessageReply() {
	const text = findChild(eventViewHtmlReply, 'eventViewMainItem');
	verify(text.textFormat === TextEdit.RichText);
	verify(!text.text.includes('<blockquote>'));
	}

	function test_htmlMessageReplyNoQuote() {
	const text = findChild(eventViewHtmlReplyNoQuote, 'eventViewMainItem');
	verify(text.textFormat === TextEdit.RichText);
	verify(!text.text.includes('<blockquote>'));
	verify(text.text.includes('some body'));
	}

	function test_menuText() {
	const menuComp = findChild(eventViewText, 'bubble').menuComp;
	const menu = menuComp.createObject(menuComp.parent);
	verify(menu);
	tryVerify(() => findChild(menu, 'replyToMenuItem').enabled);
	tryVerify(() => findChild(menu, 'editMenuItem').enabled);
	tryVerify(() => findChild(menu, 'deleteMenuItem').enabled);
	}

	function test_menuRedacted() {
	const menuComp = findChild(eventViewRedacted, 'bubble').menuComp;
	const menu = menuComp.createObject(menuComp.parent);
	verify(menu);
	tryVerify(() => !findChild(menu, 'replyToMenuItem').enabled);
	tryVerify(() => !findChild(menu, 'deleteMenuItem').enabled);
	}

	function test_fallback() {
	verify(findChild(eventViewUnknownType, 'fallbackIcon'));
	verify(findChild(eventViewUnknownType, 'textEventContent').text ===
	l10n.get('event-fallback-text', { type: unknownTypeEvent.type }));

	verify(findChild(eventViewUnknownMsgtype, 'fallbackIcon'));
	verify(findChild(eventViewUnknownMsgtype, 'textEventContent').text ===
	l10n.get('event-msgtype-fallback-text', { msgtype: unknownMsgtypeEvent.content.msgtype }));

	verify(findChild(eventViewCannotDecrypt, 'fallbackIcon'));
	verify(findChild(eventViewCannotDecrypt, 'textEventContent').text ===
	l10n.get('event-cannot-decrypt-text'));
	}

	function test_collapseSender() {
	verify(!findChild(eventViewCollapseSameSender, 'senderAvatar').visible);
	verify(findChild(eventViewCollapseSameSender, 'senderCollapsedPlaceholder').visible);

	verify(!findChild(eventViewCollapseLocalEcho, 'senderAvatar').visible);
	verify(findChild(eventViewCollapseLocalEcho, 'senderCollapsedPlaceholder').visible);

	verify(findChild(eventViewDontCollapseDifferentSender, 'senderAvatar').visible);
	verify(!findChild(eventViewDontCollapseDifferentSender, 'senderCollapsedPlaceholder').visible);

	verify(findChild(eventViewDontCollapseLocalEchoDifferentSender, 'senderAvatar').visible);
	verify(!findChild(eventViewDontCollapseLocalEchoDifferentSender, 'senderCollapsedPlaceholder').visible);

	verify(findChild(eventViewDontCollapseIgnoredEvent, 'senderAvatar').visible);
	verify(!findChild(eventViewDontCollapseIgnoredEvent, 'senderCollapsedPlaceholder').visible);
	}

	function test_eventByOther() {
	const menuComp = findChild(eventViewTextBySomeoneElse, 'bubble').menuComp;
	const menu = menuComp.createObject(menuComp.parent);
	verify(menu);
	tryVerify(() => !findChild(menu, 'editMenuItem').enabled);
	}

	function test_menuSelfDestruct() {
	const menuComp = findChild(eventViewTextBySomeoneElse, 'bubble').menuComp;
	const menu = menuComp.createObject(menuComp.parent);
	verify(menu);
	menu.popup(item);
	menu.dismiss();
	const menu2 = menuComp.createObject(menuComp.parent);
	menu2.popup(item);
	menu2.dismiss();
	}

	function test_userLink() {
	const text = findChild(eventViewText, 'textEventContent');
	text.linkActivated('https://matrix.to/#/@mew:example.com');
	tryVerify(() => item.room.ensureStateEvent.calledTimes());
	verify(Helpers.deepEqual(
	item.room.ensureStateEvent.lastArgs(),
	['m.room.member', '@mew:example.com']));
	item.room.ensureStateEvent.lastRetVal().resolve(true, {});
	tryVerify(() => item.activateUserPage.calledTimes());
	}

	function test_senderNameOverrided() {
	const name = findChild(eventViewText, 'userNicknameText');
	compare(name.text, l10n.get(
	'user-name-overrided',
	{ overridedName: 'something', globalName: 'foo' }));
	}

	function test_senderNameNotOverrided() {
	const name = findChild(eventViewTextBySomeoneElse, 'userNicknameText');
	compare(name.text, 'bar');
	}

	function test_paginateBack() {
	const obj = item.eventViewComp.createObject(item);
	tryVerify(() => item.paginateBackRequested.calledTimes());
	verify(item.paginateBackRequested.lastArgs()[0] === '$some-event-id');

	item.paginateBackRequested.clear();
	obj.event.eventId = '$some-other-event-id';
	tryVerify(() => item.paginateBackRequested.calledTimes() === 1);
	verify(item.paginateBackRequested.lastArgs()[0] === '$some-other-event-id');

	item.paginateBackRequested.clear();
	const newEvent = eventComp.createObject(item);
	obj.event = newEvent;
	tryVerify(() => item.paginateBackRequested.calledTimes() === 1);
	verify(item.paginateBackRequested.lastArgs()[0] === '$some-event-id');

	item.paginateBackRequested.clear();
	obj.isGapped = false;
	verify(item.paginateBackRequested.calledTimes() === 0);
	}

	function test_avatarClick() {
	const avatar = findChild(eventViewText, 'senderAvatar');
	mouseClick(avatar);
	tryVerify(() => item.activateUserPage.calledTimes() === 1);
	// verify that the user id is passed
	verify(item.activateUserPage.lastArgs()[2] === '@foo:tusooa.xyz');
	}

	function test_imageEvent() {
	verify(!findChild(eventViewImage, 'summaryLabel').visible);
	verify(findChild(eventViewImage, 'bodyLabel').visible);
	verify(findChild(eventViewImageCompact, 'summaryLabel').visible);
	verify(!findChild(eventViewImageCompact, 'bodyLabel').visible);
	verify(!findChild(eventViewSticker, 'summaryLabel').visible);
	verify(findChild(eventViewSticker, 'bodyLabel').visible);
	verify(findChild(eventViewStickerCompact, 'summaryLabel').visible);
	verify(!findChild(eventViewStickerCompact, 'bodyLabel').visible);

	const image = findChild(eventViewImageCompact, 'mainImage');
	verify(image.height <= Kirigami.Units.gridUnit * 5);
	}

	function test_videoEvent() {
	verify(!findChild(eventViewVideo, 'summaryLabel').visible);
	verify(findChild(eventViewVideo, 'bodyLabel').visible);
	verify(findChild(eventViewVideoCompact, 'summaryLabel').visible);
	verify(!findChild(eventViewVideoCompact, 'bodyLabel').visible);
	const image = findChild(eventViewVideoCompact, 'mainImage');
	verify(image.height <= Kirigami.Units.gridUnit * 5);
	}

	function test_history() {
	{
	const menuComp = findChild(eventViewText, 'bubble').menuComp;
	const menu = menuComp.createObject(menuComp.parent);
	const action = findChild(menu, 'viewHistoryMenuItem');
	verify(!action.enabled);
	}

	{
	const menuComp = findChild(eventViewEdited, 'bubble').menuComp;
	const menu = menuComp.createObject(menuComp.parent);
	const action = findChild(menu, 'viewHistoryMenuItem');
	verify(action.enabled);
	action.trigger();
	compare(viewEventHistoryRequested.calledTimes(), 1);
	compare(viewEventHistoryRequested.lastArgs()[0], '!some-event-id');
	}
	}

	function test_pinned() {
	{
	const menuComp = findChild(eventViewPinned, 'bubble').menuComp;
	const menu = menuComp.createObject(menuComp.parent);
	const action = findChild(menu, 'pinUnpinMenuItem');
	verify(action.enabled);
	action.trigger();
	compare(unpinEventRequested.calledTimes(), 1);
	compare(unpinEventRequested.lastArgs()[0], '$123');
	compare(pinEventRequested.calledTimes(), 0);
	}
	{
	const menuComp = findChild(eventViewNotPinned, 'bubble').menuComp;
	const menu = menuComp.createObject(menuComp.parent);
	const action = findChild(menu, 'pinUnpinMenuItem');
	verify(action.enabled);
	action.trigger();
	compare(pinEventRequested.calledTimes(), 1);
	compare(pinEventRequested.lastArgs()[0], '$789');
	compare(pinEventRequested.calledTimes(), 1);
	}
	{
	const menuComp = findChild(eventView, 'bubble').menuComp;
	const menu = menuComp.createObject(menuComp.parent);
	const action = findChild(menu, 'pinUnpinMenuItem');
	verify(!action.enabled);
	}
	}
	}
	}
	diff --git a/src/tests/quick-tests/tst_RoomTimelineView.qml b/src/tests/quick-tests/tst_RoomTimelineView.qml
	index bcc00ec..e875d83 100644
	--- a/src/tests/quick-tests/tst_RoomTimelineView.qml
	+++ b/src/tests/quick-tests/tst_RoomTimelineView.qml
	@@ -1,170 +1,202 @@
	/*
	* This file is part of kazv.
	* SPDX-FileCopyrightText: 2024 tusooa <tusooa@kazv.moe>
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/

	import QtQuick 2.15
	import QtQuick.Layouts 1.15
	import QtQuick.Window
	import QtQuick.Controls
	import QtTest 1.0

	import moe.kazv.mxc.kazv 0.0 as MK
	import org.kde.kirigami 2.13 as Kirigami
	import '../../contents/ui' as Kazv
	import 'test-helpers.js' as Helpers
	import 'test-helpers' as TestHelpers

	Item {
	id: item
	width: 800
	height: 600

	property var mockHelper: TestHelpers.MockHelper {}
	property var l10n: Helpers.fluentMock
	property var matrixSdk: TestHelpers.MatrixSdkMock {}

	property var makeLocalEcho: (i) => ({
	eventId: '',
	sender: '',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'm.text',
	body: 'some body' + i,
	},
	encrypted: false,
	isState: false,
	unsignedData: {},
	isLocalEcho: true,
	isSending: true,
	isFailed: false,
	txnId: 'some-txn-id' + i,
	})

	property var makeTextEvent: (i) => ({
	eventId: '$' + i,
	sender: '@foo:tusooa.xyz',
	type: 'm.room.message',
	stateKey: '',
	content: {
	msgtype: 'm.text',
	body: 'some body',
	},
	formattedTime: '4:06 P.M.',
	})

	property var room: ({
	pinEvents: mockHelper.promise(),
	unpinEvents: mockHelper.promise(),
	+ redactEvent: mockHelper.promise(),
	+ removeLocalEcho: mockHelper.promise(),
	messageById(id) {
	return { eventId: id };
	},
	+ localEchoById(id) {
	+ return { txnId: id };
	+ }
	})

	property var showPassiveNotification: mockHelper.noop()

	Kazv.RoomTimelineView {
	anchors.fill: parent
	id: roomTimelineView
	timeline: item.timeline
	}

	property var timeline: ListModel {
	ListElement {}
	ListElement {}

	function at(index) {
	if (index < 1) {
	return makeLocalEcho(index);
	} else {
	return makeTextEvent(index);
	}
	}
	}

	TestCase {
	id: roomTimelineViewTest
	name: 'RoomTimelineViewTest'
	when: windowShown

	function init() {
	mockHelper.clearAll();
	}

	function test_selected() {
	tryVerify(() => roomTimelineView.itemAtIndex(0));
	tryVerify(() => roomTimelineView.itemAtIndex(1));

	const localEcho = roomTimelineView.itemAtIndex(0);
	verify(!localEcho.isSelected);

	const sentMessage = roomTimelineView.itemAtIndex(1);
	verify(!sentMessage.isSelected);

	roomTimelineView.selectedEventId = '$1';
	verify(sentMessage.isSelected);
	}

	function test_pinSuccess() {
	roomTimelineView.pinEventRequested('$2');
	const popup = findChild(Overlay.overlay, 'pinEventPopup');
	verify(popup);
	tryVerify(() => popup.opened);
	mouseClick(findChild(popup, 'confirmButton'));
	verify(room.pinEvents.calledTimes() === 1);
	verify(Helpers.deepEqual(room.pinEvents.lastArgs()[0], ['$2']));
	tryVerify(() => !popup.opened);
	tryVerify(() => !findChild(Overlay.overlay, 'pinEventPopup'));
	room.pinEvents.lastRetVal().resolve(true, {});
	compare(showPassiveNotification.calledTimes(), 1);
	compare(showPassiveNotification.lastArgs()[0], l10n.get('event-pin-success-prompt'));
	}

	function test_pinFailure() {
	roomTimelineView.pinEventRequested('$2');
	const popup = findChild(Overlay.overlay, 'pinEventPopup');
	verify(popup);
	tryVerify(() => popup.opened);
	mouseClick(findChild(popup, 'confirmButton'));
	verify(room.pinEvents.calledTimes() === 1);
	verify(Helpers.deepEqual(room.pinEvents.lastArgs()[0], ['$2']));
	tryVerify(() => !popup.opened);
	tryVerify(() => !findChild(Overlay.overlay, 'pinEventPopup'));
	room.pinEvents.lastRetVal().resolve(false, { errorCode: 'M_FORBIDDEN', error: 'You are not allowed to do so' });
	compare(showPassiveNotification.calledTimes(), 1);
	compare(showPassiveNotification.lastArgs()[0], l10n.get('event-pin-failed-prompt', { errorCode: 'M_FORBIDDEN', errorMsg: 'You are not allowed to do so' }));
	}

	function test_unpinSuccess() {
	roomTimelineView.unpinEventRequested('$2');
	const popup = findChild(Overlay.overlay, 'unpinEventPopup');
	verify(popup);
	tryVerify(() => popup.opened);
	mouseClick(findChild(popup, 'confirmButton'));
	verify(room.unpinEvents.calledTimes() === 1);
	verify(Helpers.deepEqual(room.unpinEvents.lastArgs()[0], ['$2']));
	tryVerify(() => !popup.opened);
	tryVerify(() => !findChild(Overlay.overlay, 'unpinEventPopup'));
	room.unpinEvents.lastRetVal().resolve(true, {});
	compare(showPassiveNotification.calledTimes(), 1);
	compare(showPassiveNotification.lastArgs()[0], l10n.get('event-unpin-success-prompt'));
	}

	function test_unpinFailure() {
	roomTimelineView.unpinEventRequested('$2');
	const popup = findChild(Overlay.overlay, 'unpinEventPopup');
	verify(popup);
	tryVerify(() => popup.opened);
	mouseClick(findChild(popup, 'confirmButton'));
	verify(room.unpinEvents.calledTimes() === 1);
	verify(Helpers.deepEqual(room.unpinEvents.lastArgs()[0], ['$2']));
	tryVerify(() => !popup.opened);
	tryVerify(() => !findChild(Overlay.overlay, 'unpinEventPopup'));
	room.unpinEvents.lastRetVal().resolve(false, { errorCode: 'M_FORBIDDEN', error: 'You are not allowed to do so' });
	compare(showPassiveNotification.calledTimes(), 1);
	compare(showPassiveNotification.lastArgs()[0], l10n.get('event-unpin-failed-prompt', { errorCode: 'M_FORBIDDEN', errorMsg: 'You are not allowed to do so' }));
	}
	+
	+ function test_deleteEvent() {
	+ roomTimelineView.deleteEventRequested("some-event-id", false);
	+ const popup = findChild(Overlay.overlay, 'confirmDeletionPopup');
	+ verify(popup);
	+ tryVerify(() => popup.opened);
	+ mouseClick(findChild(popup, 'confirmButton'));
	+ verify(room.redactEvent.calledTimes() === 1);
	+ verify(room.redactEvent.lastArgs()[0], ['some-eventId']);
	+ tryVerify(() => !popup.opened);
	+ tryVerify(() => !findChild(Overlay.overlay, 'confirmDeletionPopup'));
	+ room.redactEvent.lastRetVal().resolve(false, { errorCode: 'M_FORBIDDEN', error: 'You are not allowed to do so' });
	+ compare(showPassiveNotification.calledTimes(), 1);
	+ compare(showPassiveNotification.lastArgs()[0], l10n.get('event-delete-failed', { errorMsg: 'You are not allowed to do so', errorCode: 'M_FORBIDDEN' }));
	+ }
	+
	+ function test_deleteLocalEcho() {
	+ roomTimelineView.deleteEventRequested("some-txnId", true);
	+ const popup = findChild(Overlay.overlay, 'confirmDeletionPopup');
	+ verify(popup);
	+ tryVerify(() => popup.opened);
	+ mouseClick(findChild(popup, 'confirmButton'));
	+ verify(room.removeLocalEcho.calledTimes() === 1);
	+ verify(room.removeLocalEcho.lastArgs()[0], ['some-txnId']);
	+ tryVerify(() => !popup.opened);
	+ tryVerify(() => !findChild(Overlay.overlay, 'confirmDeletionPopup'));
	+ }
	}
	}

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