Support anonymous group admins.

Telegram/Resources/langs/lang.strings

@@ -1320,6 +1320,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_message_ph" = "Write a message...";
 "lng_broadcast_ph" = "Broadcast a message...";
 "lng_broadcast_silent_ph" = "Silent broadcast...";
+"lng_send_anonymous_ph" = "Send anonymously...";
 "lng_record_cancel" = "Release outside this field to cancel";
 "lng_will_be_notified" = "Members will be notified when you post";
 "lng_wont_be_notified" = "Members will not be notified when you post";
@@ -1834,6 +1835,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_rights_group_invite" = "Add users";
 "lng_rights_group_pin" = "Pin messages";
 "lng_rights_group_delete" = "Delete messages";
+"lng_rights_group_anonymous" = "Remain Anonymous";
 "lng_rights_add_admins" = "Add new admins";
 "lng_rights_chat_read" = "Read messages";
 "lng_rights_chat_send_text" = "Send messages";

Telegram/SourceFiles/api/api_sending.cpp

@@ -39,10 +39,12 @@ void InnerFillMessagePostFlags(
 		const Api::SendOptions &options,
 		not_null<PeerData*> peer,
 		MTPDmessage::Flags &flags) {
-	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
+	const auto anonymousPost = peer->amAnonymous();
-	if (!channelPost) {
+	if (!anonymousPost) {
 		flags |= MTPDmessage::Flag::f_from_id;
 		return;
+	} else if (peer->asMegagroup()) {
+		return;
 	}
 	flags |= MTPDmessage::Flag::f_post;
 	// Don't display views and author of a new post when it's scheduled.
@@ -82,15 +84,15 @@ void SendExistingMedia(
 		flags |= MTPDmessage::Flag::f_reply_to;
 		sendFlags |= MTPmessages_SendMedia::Flag::f_reply_to_msg_id;
 	}
-	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
+	const auto anonymousPost = peer->amAnonymous();
 	const auto silentPost = message.action.options.silent
-		|| (channelPost && session->data().notifySilentPosts(peer));
+		|| (peer->isBroadcast() && session->data().notifySilentPosts(peer));
 	InnerFillMessagePostFlags(message.action.options, peer, flags);
 	if (silentPost) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_silent;
 	}
-	auto messageFromId = channelPost ? 0 : session->userPeerId();
+	auto messageFromId = anonymousPost ? 0 : session->userPeerId();
-	auto messagePostAuthor = channelPost ? session->user()->name : QString();
+	auto messagePostAuthor = peer->isBroadcast() ? session->user()->name : QString();
 
 	auto caption = TextWithEntities{
 		message.textWithTags.text,
@@ -253,15 +255,15 @@ bool SendDice(Api::MessageToSend &message) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_reply_to_msg_id;
 	}
 	const auto replyHeader = NewMessageReplyHeader(message.action);
-	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
+	const auto anonymousPost = peer->amAnonymous();
 	const auto silentPost = message.action.options.silent
-		|| (channelPost && session->data().notifySilentPosts(peer));
+		|| (peer->isBroadcast() && session->data().notifySilentPosts(peer));
 	InnerFillMessagePostFlags(message.action.options, peer, flags);
 	if (silentPost) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_silent;
 	}
-	auto messageFromId = channelPost ? 0 : session->userPeerId();
+	auto messageFromId = anonymousPost ? 0 : session->userPeerId();
-	auto messagePostAuthor = channelPost ? session->user()->name : QString();
+	auto messagePostAuthor = peer->isBroadcast() ? session->user()->name : QString();
 	const auto replyTo = message.action.replyTo;
 
 	if (message.action.options.scheduled) {
@@ -395,7 +397,7 @@ void SendConfirmedFile(
 		flags |= MTPDmessage::Flag::f_reply_to;
 	}
 	const auto replyHeader = NewMessageReplyHeader(action);
-	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
+	const auto anonymousPost = peer->amAnonymous();
 	const auto silentPost = file->to.options.silent;
 	Api::FillMessagePostFlags(action, peer, flags);
 	if (silentPost) {
@@ -412,8 +414,8 @@ void SendConfirmedFile(
 		clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
 	}
 
-	const auto messageFromId = channelPost ? 0 : session->userPeerId();
+	const auto messageFromId = anonymousPost ? 0 : session->userPeerId();
-	const auto messagePostAuthor = channelPost
+	const auto messagePostAuthor = peer->isBroadcast()
 		? session->user()->name
 		: QString();
 

Telegram/SourceFiles/apiwrap.cpp

@@ -1495,9 +1495,13 @@ void ApiWrap::applyLastParticipantsList(
 		});
 		const auto adminCanEdit = (p.type() == mtpc_channelParticipantAdmin)
 			? p.c_channelParticipantAdmin().is_can_edit()
+			: (p.type() == mtpc_channelParticipantCreator)
+			? channel->amCreator()
 			: false;
 		const auto adminRights = (p.type() == mtpc_channelParticipantAdmin)
 			? p.c_channelParticipantAdmin().vadmin_rights()
+			: (p.type() == mtpc_channelParticipantCreator)
+			? p.c_channelParticipantCreator().vadmin_rights()
 			: emptyAdminRights;
 		const auto restrictedRights = (p.type() == mtpc_channelParticipantBanned)
 			? p.c_channelParticipantBanned().vbanned_rights()
@@ -3898,9 +3902,9 @@ void ApiWrap::forwardMessages(
 
 	histories.readInbox(history);
 
-	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
+	const auto anonymousPost = peer->amAnonymous();
 	const auto silentPost = action.options.silent
-		|| (channelPost && _session->data().notifySilentPosts(peer));
+		|| (peer->isBroadcast() && _session->data().notifySilentPosts(peer));
 
 	auto flags = MTPDmessage::Flags(0);
 	auto clientFlags = MTPDmessage_ClientFlags();
@@ -3970,10 +3974,10 @@ void ApiWrap::forwardMessages(
 					peerToChannel(peer->id),
 					_session->data().nextLocalMessageId());
 				const auto self = _session->user();
-				const auto messageFromId = channelPost
+				const auto messageFromId = anonymousPost
 					? PeerId(0)
 					: self->id;
-				const auto messagePostAuthor = channelPost
+				const auto messagePostAuthor = peer->isBroadcast()
 					? self->name
 					: QString();
 				history->addNewLocalMessage(
@@ -4043,7 +4047,7 @@ void ApiWrap::sendSharedContact(
 	const auto newId = FullMsgId(
 		history->channelId(),
 		_session->data().nextLocalMessageId());
-	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
+	const auto anonymousPost = peer->amAnonymous();
 
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;
 	auto clientFlags = NewMessageClientFlags();
@@ -4057,8 +4061,8 @@ void ApiWrap::sendSharedContact(
 	} else {
 		clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
 	}
-	const auto messageFromId = channelPost ? 0 : _session->userPeerId();
+	const auto messageFromId = anonymousPost ? 0 : _session->userPeerId();
-	const auto messagePostAuthor = channelPost
+	const auto messagePostAuthor = peer->isBroadcast()
 		? _session->user()->name
 		: QString();
 	const auto vcard = QString();
@@ -4100,7 +4104,9 @@ void ApiWrap::sendSharedContact(
 		MTP_string(lastName),
 		MTP_string(vcard));
 	auto options = action.options;
-	options.silent = _session->data().notifySilentPosts(peer);
+	if (_session->data().notifySilentPosts(peer)) {
+		options.silent = true;
+	}
 	sendMedia(item, media, options);
 
 	_session->data().sendHistoryChangeNotifications();
@@ -4323,9 +4329,9 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 					MTP_int(page->pendingTill)));
 			flags |= MTPDmessage::Flag::f_media;
 		}
-		const auto channelPost = peer->isChannel() && !peer->isMegagroup();
+		const auto anonymousPost = peer->amAnonymous();
 		const auto silentPost = action.options.silent
-			|| (channelPost && _session->data().notifySilentPosts(peer));
+			|| (peer->isBroadcast() && _session->data().notifySilentPosts(peer));
 		FillMessagePostFlags(action, peer, flags);
 		if (silentPost) {
 			sendFlags |= MTPmessages_SendMessage::Flag::f_silent;
@@ -4345,8 +4351,8 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 			history->clearCloudDraft();
 			history->setSentDraftText(QString());
 		}
-		auto messageFromId = channelPost ? 0 : _session->userPeerId();
+		auto messageFromId = anonymousPost ? 0 : _session->userPeerId();
-		auto messagePostAuthor = channelPost
+		auto messagePostAuthor = peer->isBroadcast()
 			? _session->user()->name
 			: QString();
 		if (action.options.scheduled) {
@@ -4465,9 +4471,9 @@ void ApiWrap::sendInlineResult(
 		flags |= MTPDmessage::Flag::f_reply_to;
 		sendFlags |= MTPmessages_SendInlineBotResult::Flag::f_reply_to_msg_id;
 	}
-	bool channelPost = peer->isChannel() && !peer->isMegagroup();
+	const auto anonymousPost = peer->amAnonymous();
-	bool silentPost = action.options.silent
+	const auto silentPost = action.options.silent
-		|| (channelPost && _session->data().notifySilentPosts(peer));
+		|| (peer->isBroadcast() && _session->data().notifySilentPosts(peer));
 	FillMessagePostFlags(action, peer, flags);
 	if (silentPost) {
 		sendFlags |= MTPmessages_SendInlineBotResult::Flag::f_silent;
@@ -4482,8 +4488,8 @@ void ApiWrap::sendInlineResult(
 		clientFlags |= MTPDmessage_ClientFlag::f_local_history_entry;
 	}
 
-	const auto messageFromId = channelPost ? 0 : _session->userPeerId();
+	const auto messageFromId = anonymousPost ? 0 : _session->userPeerId();
-	const auto messagePostAuthor = channelPost
+	const auto messagePostAuthor = peer->isBroadcast()
 		? _session->user()->name
 		: QString();
 
@@ -5203,9 +5209,8 @@ void ApiWrap::createPoll(
 		history->clearLocalDraft();
 		history->clearCloudDraft();
 	}
-	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
 	const auto silentPost = action.options.silent
-		|| (channelPost && _session->data().notifySilentPosts(peer));
+		|| (peer->isBroadcast() && _session->data().notifySilentPosts(peer));
 	if (silentPost) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_silent;
 	}

Telegram/SourceFiles/boxes/peers/add_participants_box.cpp

@@ -576,11 +576,7 @@ void AddSpecialBoxController::showAdmin(
 	}
 
 	// Finally show the admin.
-	const auto currentRights = _additional.isCreator(user)
+	const auto currentRights = adminRights
-		? MTPChatAdminRights(MTP_chatAdminRights(
-			MTP_flags(~MTPDchatAdminRights::Flag::f_add_admins
-				| MTPDchatAdminRights::Flag::f_add_admins)))
-		: adminRights
 		? *adminRights
 		: MTPChatAdminRights(MTP_chatAdminRights(MTP_flags(0)));
 	auto box = Box<EditAdminBox>(
@@ -618,7 +614,7 @@ void AddSpecialBoxController::editAdminDone(
 		_additional.applyParticipant(MTP_channelParticipantCreator(
 			MTP_flags(rank.isEmpty() ? Flag(0) : Flag::f_rank),
 			MTP_int(user->bareId()),
-			MTP_chatAdminRights(MTP_flags(0)), // #TODO anonymous
+			rights,
 			MTP_string(rank)));
 	} else if (rights.c_chatAdminRights().vflags().v == 0) {
 		_additional.applyParticipant(MTP_channelParticipant(
@@ -666,7 +662,7 @@ void AddSpecialBoxController::showRestricted(
 	} else if (_additional.adminRights(user).has_value()
 		|| _additional.isCreator(user)) {
 		// The user is an admin or creator.
-		if (_additional.canEditAdmin(user)) {
+		if (!_additional.isCreator(user) && _additional.canEditAdmin(user)) {
 			if (!sure) {
 				_editBox = Ui::show(
 					Box<ConfirmBox>(
@@ -756,7 +752,7 @@ void AddSpecialBoxController::kickUser(
 	if (_additional.adminRights(user).has_value()
 		|| _additional.isCreator(user)) {
 		// The user is an admin or creator.
-		if (_additional.canEditAdmin(user)) {
+		if (!_additional.isCreator(user) && _additional.canEditAdmin(user)) {
 			if (!sure) {
 				_editBox = Ui::show(
 					Box<ConfirmBox>(

Telegram/SourceFiles/boxes/peers/edit_participant_box.cpp

@@ -254,7 +254,7 @@ void EditAdminBox::prepare() {
 
 	const auto disabledMessages = [&] {
 		auto result = std::map<Flags, QString>();
-		if (!canSave() || (amCreator() && user()->isSelf())) {
+		if (!canSave()) {
 			result.emplace(
 				~Flags(0),
 				tr::lng_rights_about_admin_cant_edit(tr::now));
@@ -263,7 +263,11 @@ void EditAdminBox::prepare() {
 				disabledByDefaults,
 				tr::lng_rights_permission_for_all(tr::now));
 			if (const auto channel = peer()->asChannel()) {
-				if (!channel->amCreator()) {
+				if (amCreator() && user()->isSelf()) {
+					result.emplace(
+						~Flag::f_anonymous,
+						tr::lng_rights_permission_cant_edit(tr::now));
+				} else if (!channel->amCreator()) {
 					result.emplace(
 						~channel->adminRights(),
 						tr::lng_rights_permission_cant_edit(tr::now));
@@ -570,7 +574,9 @@ void EditAdminBox::sendTransferRequestFrom(
 
 void EditAdminBox::refreshAboutAddAdminsText(bool canAddAdmins) {
 	_aboutAddAdmins->setText([&] {
-		if (!canSave() || (amCreator() && user()->isSelf())) {
+		if (amCreator() && user()->isSelf()) {
+			return QString();
+		} else if (!canSave()) {
 			return tr::lng_rights_about_admin_cant_edit(tr::now);
 		} else if (canAddAdmins) {
 			return tr::lng_rights_about_add_admins_yes(tr::now);

Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp

@@ -564,6 +564,12 @@ UserData *ParticipantsAdditionalData::applyCreator(
 		const MTPDchannelParticipantCreator &data) {
 	if (const auto user = applyRegular(data.vuser_id())) {
 		_creator = user;
+		_adminRights[user] = data.vadmin_rights();
+		if (user->isSelf()) {
+			_adminCanEdit.emplace(user);
+		} else {
+			_adminCanEdit.erase(user);
+		}
 		if (const auto rank = data.vrank()) {
 			_adminRanks[user] = qs(*rank);
 		} else {
@@ -1459,11 +1465,7 @@ base::unique_qptr<Ui::PopupMenu> ParticipantsBoxController::rowContextMenu(
 
 void ParticipantsBoxController::showAdmin(not_null<UserData*> user) {
 	const auto adminRights = _additional.adminRights(user);
-	const auto currentRights = _additional.isCreator(user)
+	const auto currentRights = adminRights
-		? MTPChatAdminRights(MTP_chatAdminRights(
-			MTP_flags(~MTPDchatAdminRights::Flag::f_add_admins
-				| MTPDchatAdminRights::Flag::f_add_admins)))
-		: adminRights
 		? *adminRights
 		: MTPChatAdminRights(MTP_chatAdminRights(MTP_flags(0)));
 	auto box = Box<EditAdminBox>(
@@ -1504,7 +1506,7 @@ void ParticipantsBoxController::editAdminDone(
 		_additional.applyParticipant(MTP_channelParticipantCreator(
 			MTP_flags(rank.isEmpty() ? Flag(0) : Flag::f_rank),
 			MTP_int(user->bareId()),
-			MTP_chatAdminRights(MTP_flags(0)), // #TODO anonymous
+			rights,
 			MTP_string(rank)));
 	} else if (rights.c_chatAdminRights().vflags().v == 0) {
 		_additional.applyParticipant(MTP_channelParticipant(
@@ -1784,6 +1786,7 @@ std::unique_ptr<PeerListRow> ParticipantsBoxController::createRow(
 	auto row = std::make_unique<PeerListRowWithLink>(user);
 	refreshCustomStatus(row.get());
 	if (_role == Role::Admins
+		&& !_additional.isCreator(user)
 		&& _additional.adminRights(user).has_value()
 		&& _additional.canEditAdmin(user)) {
 		row->setActionLink(tr::lng_profile_kick(tr::now));

Telegram/SourceFiles/boxes/peers/edit_peer_permissions_box.cpp

@@ -135,6 +135,7 @@ std::vector<std::pair<ChatAdminRights, QString>> AdminRightLabels(
 				? tr::lng_rights_group_invite_link(tr::now)
 				: tr::lng_rights_group_invite(tr::now) },
 			{ Flag::f_pin_messages, tr::lng_rights_group_pin(tr::now) },
+			{ Flag::f_anonymous, tr::lng_rights_group_anonymous(tr::now) },
 			{ Flag::f_add_admins, tr::lng_rights_add_admins(tr::now) },
 		};
 	} else {

Telegram/SourceFiles/data/data_peer.cpp

@@ -790,6 +790,12 @@ Data::RestrictionCheckResult PeerData::amRestricted(
 	return Result::Allowed();
 }
 
+bool PeerData::amAnonymous() const {
+	return isBroadcast()
+		|| (isChannel()
+			&& (asChannel()->adminRights() & ChatAdminRight::f_anonymous));
+}
+
 bool PeerData::canRevokeFullHistory() const {
 	return isUser()
 		&& !isSelf()

Telegram/SourceFiles/data/data_peer.h

@@ -192,6 +192,7 @@ public:
 	[[nodiscard]] bool canWrite() const;
 	[[nodiscard]] Data::RestrictionCheckResult amRestricted(
 		ChatRestriction right) const;
+	[[nodiscard]] bool amAnonymous() const;
 	[[nodiscard]] bool canRevokeFullHistory() const;
 	[[nodiscard]] bool slowmodeApplied() const;
 	[[nodiscard]] int slowmodeSecondsLeft() const;

Telegram/SourceFiles/history/history_widget.cpp

@@ -578,6 +578,7 @@ HistoryWidget::HistoryWidget(
 		if (flags & UpdateFlag::Rights) {
 			checkPreview();
 			updateStickersByEmoji();
+			updateFieldPlaceholder();
 		}
 		if (flags & UpdateFlag::Migration) {
 			handlePeerMigration();
@@ -4031,23 +4032,32 @@ void HistoryWidget::onCheckFieldAutocomplete() {
 }
 
 void HistoryWidget::updateFieldPlaceholder() {
-	if (_editMsgId) {
+	if (!_editMsgId && _inlineBot && !_inlineLookingUpBot) {
-		_field->setPlaceholder(tr::lng_edit_message_text());
+		_field->setPlaceholder(
-	} else {
+			rpl::single(_inlineBot->botInfo->inlinePlaceholder.mid(1)),
-		if (_inlineBot && !_inlineLookingUpBot) {
+			_inlineBot->username.size() + 2);
-			_field->setPlaceholder(
+		return;
-				rpl::single(_inlineBot->botInfo->inlinePlaceholder.mid(1)),
-				_inlineBot->username.size() + 2);
-		} else {
-			const auto peer = _history ? _history->peer.get() : nullptr;
-			_field->setPlaceholder(
-				((peer && peer->isChannel() && !peer->isMegagroup())
-					? (session().data().notifySilentPosts(peer)
-						? tr::lng_broadcast_silent_ph()
-						: tr::lng_broadcast_ph())
-					: tr::lng_message_ph()));
-		}
 	}
+
+	_field->setPlaceholder([&] {
+		if (_editMsgId) {
+			return tr::lng_edit_message_text();
+		} else if (!_history) {
+			return tr::lng_message_ph();
+		} else if (const auto channel = _history->peer->asChannel()) {
+			if (channel->isBroadcast()) {
+				return session().data().notifySilentPosts(channel)
+					? tr::lng_broadcast_silent_ph()
+					: tr::lng_broadcast_ph();
+			} else if (channel->adminRights() & ChatAdminRight::f_anonymous) {
+				return tr::lng_send_anonymous_ph();
+			} else {
+				return tr::lng_message_ph();
+			}
+		} else {
+			return tr::lng_message_ph();
+		}
+	}());
 	updateSendButtonType();
 }
 

Telegram/SourceFiles/history/view/history_view_message.cpp

@@ -732,7 +732,10 @@ void Message::paintFromName(
 		p.setFont(st::msgNameFont);
 		const auto nameText = [&]() -> const Ui::Text::String * {
 			const auto from = item->displayFrom();
-			if (item->isPost()) {
+			if (hasOutLayout()) {
+				p.setPen(selected ? st::msgOutServiceFgSelected : st::msgOutServiceFg);
+				return &from->nameText();
+			} else if (item->isPost()) {
 				p.setPen(selected ? st::msgInServiceFgSelected : st::msgInServiceFg);
 				return &from->nameText();
 			} else if (from) {
@@ -1839,7 +1842,7 @@ bool Message::hasFromName() const {
 		return true;
 	case Context::History: {
 		const auto item = message();
-		return !hasOutLayout()
+		return (!hasOutLayout() || item->from()->isMegagroup())
 			&& (!item->history()->peer->isUser()
 				|| item->history()->peer->isSelf());
 	} break;