Add auto-delete control to compose controls.

Telegram/CMakeLists.txt

@@ -497,6 +497,8 @@ PRIVATE
     history/view/controls/compose_controls_common.h
     history/view/controls/history_view_compose_controls.cpp
     history/view/controls/history_view_compose_controls.h
+    history/view/controls/history_view_ttl_button.cpp
+    history/view/controls/history_view_ttl_button.h
     history/view/controls/history_view_voice_record_bar.cpp
     history/view/controls/history_view_voice_record_bar.h
     history/view/controls/history_view_voice_record_button.cpp

Telegram/Resources/langs/lang.strings

@@ -982,6 +982,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_manage_messages_ttl_after2" = "After 7 days";
 "lng_manage_messages_ttl_about" = "Turning on this setting will make auto-delete messages from this group after the selected period.";
 "lng_manage_messages_ttl_about_channel" = "Turning on this setting will make auto-delete messages from this channel after the selected period.";
+"lng_ttl_about_tooltip" = "Messages in this chat will auto-delete in {duration}.";
+"lng_ttl_about_duration1" = "24 hours";
+"lng_ttl_about_duration2" = "7 days";
 
 "lng_report_title" = "Report channel";
 "lng_report_group_title" = "Report group";

Telegram/SourceFiles/data/data_changes.h

@@ -50,46 +50,47 @@ struct PeerUpdate {
 		None = 0,
 
 		// Common flags
-		Name              = (1 << 0),
-		Username          = (1 << 1),
-		Photo             = (1 << 2),
-		About             = (1 << 3),
-		Notifications     = (1 << 4),
-		Migration         = (1 << 5),
-		UnavailableReason = (1 << 6),
-		PinnedMessages    = (1 << 7),
-		IsBlocked         = (1 << 8),
+		Name              = (1U << 0),
+		Username          = (1U << 1),
+		Photo             = (1U << 2),
+		About             = (1U << 3),
+		Notifications     = (1U << 4),
+		Migration         = (1U << 5),
+		UnavailableReason = (1U << 6),
+		PinnedMessages    = (1U << 7),
+		IsBlocked         = (1U << 8),
+		MessagesTTL       = (1U << 9),
 
 		// For users
-		CanShareContact   = (1 << 9),
-		IsContact         = (1 << 10),
-		PhoneNumber       = (1 << 11),
-		OnlineStatus      = (1 << 12),
-		BotCommands       = (1 << 13),
-		BotCanBeInvited   = (1 << 14),
-		BotStartToken     = (1 << 15),
-		CommonChats       = (1 << 16),
-		HasCalls          = (1 << 17),
-		SupportInfo       = (1 << 18),
-		IsBot             = (1 << 19),
+		CanShareContact   = (1U << 10),
+		IsContact         = (1U << 11),
+		PhoneNumber       = (1U << 12),
+		OnlineStatus      = (1U << 13),
+		BotCommands       = (1U << 14),
+		BotCanBeInvited   = (1U << 15),
+		BotStartToken     = (1U << 16),
+		CommonChats       = (1U << 17),
+		HasCalls          = (1U << 18),
+		SupportInfo       = (1U << 19),
+		IsBot             = (1U << 20),
 
 		// For chats and channels
-		InviteLinks       = (1 << 20),
-		Members           = (1 << 21),
-		Admins            = (1 << 22),
-		BannedUsers       = (1 << 23),
-		Rights            = (1 << 24),
+		InviteLinks       = (1U << 21),
+		Members           = (1U << 22),
+		Admins            = (1U << 23),
+		BannedUsers       = (1U << 24),
+		Rights            = (1U << 25),
 
 		// For channels
-		ChannelAmIn       = (1 << 25),
-		StickersSet       = (1 << 26),
-		ChannelLinkedChat = (1 << 27),
-		ChannelLocation   = (1 << 28),
-		Slowmode          = (1 << 29),
-		GroupCall         = (1 << 30),
+		ChannelAmIn       = (1U << 26),
+		StickersSet       = (1U << 27),
+		ChannelLinkedChat = (1U << 28),
+		ChannelLocation   = (1U << 29),
+		Slowmode          = (1U << 30),
+		GroupCall         = (1U << 31),
 
 		// For iteration
-		LastUsedBit       = (1 << 30),
+		LastUsedBit       = (1U << 31),
 	};
 	using Flags = base::flags<Flag>;
 	friend inline constexpr auto is_flag_type(Flag) { return true; }
@@ -103,22 +104,22 @@ struct HistoryUpdate {
 	enum class Flag : uint32 {
 		None = 0,
 
-		IsPinned       = (1 << 0),
-		UnreadView     = (1 << 1),
-		TopPromoted    = (1 << 2),
-		Folder         = (1 << 3),
-		UnreadMentions = (1 << 4),
-		LocalMessages  = (1 << 5),
-		ChatOccupied   = (1 << 6),
-		MessageSent    = (1 << 7),
-		ScheduledSent  = (1 << 8),
-		ForwardDraft   = (1 << 9),
-		OutboxRead     = (1 << 10),
-		BotKeyboard    = (1 << 11),
-		CloudDraft     = (1 << 12),
-		LocalDraftSet  = (1 << 13),
+		IsPinned       = (1U << 0),
+		UnreadView     = (1U << 1),
+		TopPromoted    = (1U << 2),
+		Folder         = (1U << 3),
+		UnreadMentions = (1U << 4),
+		LocalMessages  = (1U << 5),
+		ChatOccupied   = (1U << 6),
+		MessageSent    = (1U << 7),
+		ScheduledSent  = (1U << 8),
+		ForwardDraft   = (1U << 9),
+		OutboxRead     = (1U << 10),
+		BotKeyboard    = (1U << 11),
+		CloudDraft     = (1U << 12),
+		LocalDraftSet  = (1U << 13),
 
-		LastUsedBit    = (1 << 13),
+		LastUsedBit    = (1U << 13),
 	};
 	using Flags = base::flags<Flag>;
 	friend inline constexpr auto is_flag_type(Flag) { return true; }
@@ -132,16 +133,16 @@ struct MessageUpdate {
 	enum class Flag : uint32 {
 		None = 0,
 
-		Edited           = (1 << 0),
-		Destroyed        = (1 << 1),
-		DialogRowRepaint = (1 << 2),
-		DialogRowRefresh = (1 << 3),
-		NewAdded         = (1 << 4),
-		ReplyMarkup      = (1 << 5),
-		BotCallbackSent  = (1 << 6),
-		NewMaybeAdded    = (1 << 7),
+		Edited           = (1U << 0),
+		Destroyed        = (1U << 1),
+		DialogRowRepaint = (1U << 2),
+		DialogRowRefresh = (1U << 3),
+		NewAdded         = (1U << 4),
+		ReplyMarkup      = (1U << 5),
+		BotCallbackSent  = (1U << 6),
+		NewMaybeAdded    = (1U << 7),
 
-		LastUsedBit      = (1 << 7),
+		LastUsedBit      = (1U << 7),
 	};
 	using Flags = base::flags<Flag>;
 	friend inline constexpr auto is_flag_type(Flag) { return true; }
@@ -155,9 +156,9 @@ struct EntryUpdate {
 	enum class Flag : uint32 {
 		None = 0,
 
-		Repaint = (1 << 0),
+		Repaint = (1U << 0),
 
-		LastUsedBit = (1 << 0),
+		LastUsedBit = (1U << 0),
 	};
 	using Flags = base::flags<Flag>;
 	friend inline constexpr auto is_flag_type(Flag) { return true; }

Telegram/SourceFiles/data/data_peer.cpp

@@ -955,9 +955,16 @@ void PeerData::setMessagesTTL(
 		TimeId myPeriod,
 		TimeId peerPeriod,
 		bool oneSide) {
-	_ttlMyPeriod = myPeriod;
-	_ttlPeerPeriod = peerPeriod;
-	_ttlOneSide = oneSide;
+	if (_ttlMyPeriod != myPeriod
+		|| _ttlPeerPeriod != peerPeriod
+		|| _ttlOneSide != oneSide) {
+		_ttlMyPeriod = myPeriod;
+		_ttlPeerPeriod = peerPeriod;
+		_ttlOneSide = oneSide;
+		session().changes().peerUpdated(
+			this,
+			Data::PeerUpdate::Flag::MessagesTTL);
+	}
 }
 
 void PeerData::applyMessagesTTL(const MTPPeerHistoryTTL &ttl) {

Telegram/SourceFiles/history/history_widget.cpp

@@ -65,6 +65,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/history_item_components.h"
 //#include "history/feed/history_feed_section.h" // #feed
 #include "history/view/controls/history_view_voice_record_bar.h"
+#include "history/view/controls/history_view_ttl_button.h"
 #include "history/view/history_view_service_message.h"
 #include "history/view/history_view_element.h"
 #include "history/view/history_view_scheduled_section.h"
@@ -589,6 +590,7 @@ HistoryWidget::HistoryWidget(
 		| UpdateFlag::Slowmode
 		| UpdateFlag::BotStartToken
 		| UpdateFlag::PinnedMessages
+		| UpdateFlag::MessagesTTL
 	) | rpl::filter([=](const Data::PeerUpdate &update) {
 		if (_migrated && update.peer.get() == _migrated->peer) {
 			if (_pinnedTracker
@@ -638,6 +640,9 @@ HistoryWidget::HistoryWidget(
 		if (_pinnedTracker && (flags & UpdateFlag::PinnedMessages)) {
 			checkPinnedBarState();
 		}
+		if (flags & UpdateFlag::MessagesTTL) {
+			checkMessagesTTL();
+		}
 	}, lifetime());
 
 	rpl::merge(
@@ -1267,6 +1272,7 @@ void HistoryWidget::applyInlineBotQuery(UserData *bot, const QString &query) {
 }
 
 void HistoryWidget::orderWidgets() {
+	_voiceRecordBar->raise();
 	_send->raise();
 	if (_contactStatus) {
 		_contactStatus->raise();
@@ -1942,6 +1948,7 @@ void HistoryWidget::showHistory(
 
 		setupPinnedTracker();
 		setupGroupCallTracker();
+		checkMessagesTTL();
 		if (_history->scrollTopItem
 			|| (_migrated && _migrated->scrollTopItem)
 			|| _history->isReadyFor(_showAtMsgId)) {
@@ -1995,6 +2002,7 @@ void HistoryWidget::showHistory(
 	} else {
 		refreshTopBarActiveChat();
 		updateTopBarSelection();
+		checkMessagesTTL();
 
 		clearFieldText();
 		doneShow();
@@ -2206,6 +2214,9 @@ void HistoryWidget::updateControlsVisibility() {
 		if (_scheduled) {
 			_scheduled->hide();
 		}
+		if (_ttlInfo) {
+			_ttlInfo->hide();
+		}
 		_kbScroll->hide();
 		_fieldBarCancel->hide();
 		_attachToggle->hide();
@@ -2268,6 +2279,9 @@ void HistoryWidget::updateControlsVisibility() {
 		if (_scheduled) {
 			_scheduled->show();
 		}
+		if (_ttlInfo) {
+			_ttlInfo->show();
+		}
 		updateFieldPlaceholder();
 
 		if (_editMsgId || _replyToId || readyToForward() || (_previewData && _previewData->pendingTill >= 0) || _kbReplyTo) {
@@ -2296,6 +2310,9 @@ void HistoryWidget::updateControlsVisibility() {
 		if (_scheduled) {
 			_scheduled->hide();
 		}
+		if (_ttlInfo) {
+			_ttlInfo->hide();
+		}
 		_kbScroll->hide();
 		_fieldBarCancel->hide();
 		_attachToggle->hide();
@@ -2492,23 +2509,6 @@ void HistoryWidget::messagesReceived(PeerData *peer, const MTPmessages_Messages
 	} break;
 	}
 
-	const auto ExtractFirstId = [&] {
-		return histList->empty() ? -1 : IdFromMessage(histList->front());
-	};
-	const auto ExtractLastId = [&] {
-		return histList->empty() ? -1 : IdFromMessage(histList->back());
-	};
-	const auto PeerString = [](PeerId peerId) {
-		if (peerIsUser(peerId)) {
-			return QString("User-%1").arg(peerToUser(peerId));
-		} else if (peerIsChat(peerId)) {
-			return QString("Chat-%1").arg(peerToChat(peerId));
-		} else if (peerIsChannel(peerId)) {
-			return QString("Channel-%1").arg(peerToChannel(peerId));
-		}
-		return QString("Bad-%1").arg(peerId);
-	};
-
 	if (_preloadRequest == requestId) {
 		auto to = toMigrated ? _migrated : _history;
 		addMessagesToFront(peer, *histList);
@@ -3992,7 +3992,7 @@ void HistoryWidget::moveFieldControls() {
 	}
 
 // _attachToggle --------- _inlineResults -------------------------------------- _tabbedPanel --------- _fieldBarCancel
-// (_attachDocument|_attachPhoto) _field (_scheduled) (_silent|_cmdStart|_kbShow) (_kbHide|_tabbedSelectorToggle) _send
+// (_attachDocument|_attachPhoto) _field (_ttlInfo) (_scheduled) (_silent|_cmdStart|_kbShow) (_kbHide|_tabbedSelectorToggle) _send
 // (_botStart|_unblock|_joinChannel|_muteUnmute)
 
 	auto buttonsBottom = bottom - _attachToggle->height();
@@ -4015,6 +4015,10 @@ void HistoryWidget::moveFieldControls() {
 	}
 	if (_scheduled) {
 		_scheduled->moveToRight(right, buttonsBottom);
+		right += _scheduled->width();
+	}
+	if (_ttlInfo) {
+		_ttlInfo->move(width() - right - _ttlInfo->width(), buttonsBottom);
 	}
 
 	_fieldBarCancel->moveToRight(0, _field->y() - st::historySendPadding - _fieldBarCancel->height());
@@ -4046,6 +4050,7 @@ void HistoryWidget::updateFieldSize() {
 	if (_cmdStartShown) fieldWidth -= _botCommandStart->width();
 	if (_silent) fieldWidth -= _silent->width();
 	if (_scheduled) fieldWidth -= _scheduled->width();
+	if (_ttlInfo) fieldWidth -= _ttlInfo->width();
 
 	if (_field->width() != fieldWidth) {
 		_field->resize(fieldWidth, _field->height());
@@ -5405,6 +5410,23 @@ void HistoryWidget::checkPinnedBarState() {
 	}
 }
 
+void HistoryWidget::checkMessagesTTL() {
+	if (!_peer || !_peer->messagesTTL()) {
+		if (_ttlInfo) {
+			_ttlInfo = nullptr;
+			updateControlsGeometry();
+			updateControlsVisibility();
+		}
+	} else if (!_ttlInfo) {
+		_ttlInfo = std::make_unique<HistoryView::Controls::TTLButton>(
+			this,
+			_peer);
+		orderWidgets();
+		updateControlsGeometry();
+		updateControlsVisibility();
+	}
+}
+
 void HistoryWidget::refreshPinnedBarButton(bool many) {
 	const auto close = !many;
 	auto button = object_ptr<Ui::IconButton>(

Telegram/SourceFiles/history/history_widget.h

@@ -99,6 +99,7 @@ class GroupCallTracker;
 namespace Controls {
 class RecordLock;
 class VoiceRecordBar;
+class TTLButton;
 } // namespace Controls
 } // namespace HistoryView
 
@@ -483,6 +484,7 @@ private:
 		int wasScrollTop,
 		int nowScrollTop);
 
+	void checkMessagesTTL();
 	void setupGroupCallTracker();
 
 	void sendInlineResult(InlineBots::ResultSelected result);
@@ -692,6 +694,7 @@ private:
 	object_ptr<Ui::IconButton> _botCommandStart;
 	object_ptr<Ui::SilentToggle> _silent = { nullptr };
 	object_ptr<Ui::IconButton> _scheduled = { nullptr };
+	std::unique_ptr<HistoryView::Controls::TTLButton> _ttlInfo;
 	const std::unique_ptr<VoiceRecordBar> _voiceRecordBar;
 	bool _cmdStartShown = false;
 	object_ptr<Ui::InputField> _field;

Telegram/SourceFiles/history/view/controls/history_view_compose_controls.cpp

@@ -36,6 +36,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/history.h"
 #include "history/history_item.h"
 #include "history/view/controls/history_view_voice_record_bar.h"
+#include "history/view/controls/history_view_ttl_button.h"
 #include "history/view/history_view_webpage_preview.h"
 #include "inline_bots/inline_results_widget.h"
 #include "inline_bots/inline_bot_result.h"
@@ -635,6 +636,10 @@ Main::Session &ComposeControls::session() const {
 }
 
 void ComposeControls::setHistory(SetHistoryArgs &&args) {
+	// Right now only single non-null set of history is supported.
+	// Otherwise initWebpageProcess should be updated / rewritten.
+	Expects(!_history && *args.history);
+
 	_showSlowmodeError = std::move(args.showSlowmodeError);
 	_slowmodeSecondsLeft = rpl::single(0)
 		| rpl::then(std::move(args.slowmodeSecondsLeft));
@@ -643,20 +648,21 @@ void ComposeControls::setHistory(SetHistoryArgs &&args) {
 	_writeRestriction = rpl::single(std::optional<QString>())
 		| rpl::then(std::move(args.writeRestriction));
 	const auto history = *args.history;
-	if (_history == history) {
-		return;
-	}
+	//if (_history == history) {
+	//	return;
+	//}
 	_history = history;
 	_window->tabbedSelector()->setCurrentPeer(
 		history ? history->peer.get() : nullptr);
 	initWebpageProcess();
 	updateBotCommandShown();
+	updateMessagesTTLShown();
 	updateControlsGeometry(_wrap->size());
 	updateControlsVisibility();
 	updateFieldPlaceholder();
-	if (!_history) {
-		return;
-	}
+	//if (!_history) {
+	//	return;
+	//}
 	const auto peer = _history->peer;
 	if (peer->isChat() && peer->asChat()->noParticipantInfo()) {
 		session().api().requestFullPeer(peer);
@@ -1736,7 +1742,7 @@ void ComposeControls::finishAnimating() {
 
 void ComposeControls::updateControlsGeometry(QSize size) {
 	// _attachToggle -- _inlineResults ------ _tabbedPanel -- _fieldBarCancel
-	// (_attachDocument|_attachPhoto) _field (_silent|_botCommandStart) _tabbedSelectorToggle _send
+	// (_attachDocument|_attachPhoto) _field (_ttlInfo) (_silent|_botCommandStart) _tabbedSelectorToggle _send
 
 	const auto fieldWidth = size.width()
 		- _attachToggle->width()
@@ -1744,7 +1750,8 @@ void ComposeControls::updateControlsGeometry(QSize size) {
 		- _send->width()
 		- _tabbedSelectorToggle->width()
 		- (_botCommandShown ? _botCommandStart->width() : 0)
-		- (_silent ? _silent->width() : 0);
+		- (_silent ? _silent->width() : 0)
+		- (_ttlInfo ? _ttlInfo->width() : 0);
 	{
 		const auto oldFieldHeight = _field->height();
 		_field->resizeToWidth(fieldWidth);
@@ -1775,8 +1782,15 @@ void ComposeControls::updateControlsGeometry(QSize size) {
 	_tabbedSelectorToggle->moveToRight(right, buttonsTop);
 	right += _tabbedSelectorToggle->width();
 	_botCommandStart->moveToRight(right, buttonsTop);
+	if (_botCommandShown) {
+		right += _botCommandStart->width();
+	}
 	if (_silent) {
 		_silent->moveToRight(right, buttonsTop);
+		right += _silent->width();
+	}
+	if (_ttlInfo) {
+		_ttlInfo->move(size.width() - right - _ttlInfo->width(), buttonsTop);
 	}
 
 	_voiceRecordBar->resizeToWidth(size.width());
@@ -1787,6 +1801,9 @@ void ComposeControls::updateControlsGeometry(QSize size) {
 
 void ComposeControls::updateControlsVisibility() {
 	_botCommandStart->setVisible(_botCommandShown);
+	if (_ttlInfo) {
+		_ttlInfo->show();
+	}
 }
 
 bool ComposeControls::updateBotCommandShown() {
@@ -1818,6 +1835,20 @@ void ComposeControls::updateOuterGeometry(QRect rect) {
 	}
 }
 
+void ComposeControls::updateMessagesTTLShown() {
+	const auto peer = _history ? _history->peer.get() : nullptr;
+	const auto shown = peer && (peer->messagesTTL() > 0);
+	if (!shown && _ttlInfo) {
+		_ttlInfo = nullptr;
+		updateControlsVisibility();
+		updateControlsGeometry(_wrap->size());
+	} else if (shown && !_ttlInfo) {
+		_ttlInfo = std::make_unique<Controls::TTLButton>(_wrap.get(), peer);
+		updateControlsVisibility();
+		updateControlsGeometry(_wrap->size());
+	}
+}
+
 void ComposeControls::paintBackground(QRect clip) {
 	Painter p(_wrap.get());
 
@@ -2176,6 +2207,7 @@ void ComposeControls::initWebpageProcess() {
 	session().changes().peerUpdates(
 		Data::PeerUpdate::Flag::Rights
 		| Data::PeerUpdate::Flag::Notifications
+		| Data::PeerUpdate::Flag::MessagesTTL
 	) | rpl::filter([=](const Data::PeerUpdate &update) {
 		return (update.peer.get() == peer);
 	}) | rpl::map([](const Data::PeerUpdate &update) {
@@ -2189,6 +2221,9 @@ void ComposeControls::initWebpageProcess() {
 		if (flags & Data::PeerUpdate::Flag::Notifications) {
 			updateSilentBroadcast();
 		}
+		if (flags & Data::PeerUpdate::Flag::MessagesTTL) {
+			updateMessagesTTLShown();
+		}
 	}, lifetime);
 
 	base::ObservableViewer(

Telegram/SourceFiles/history/view/controls/history_view_compose_controls.h

@@ -69,6 +69,7 @@ namespace HistoryView {
 
 namespace Controls {
 class VoiceRecordBar;
+class TTLButton;
 } // namespace Controls
 
 class FieldHeader;
@@ -201,6 +202,7 @@ private:
 	void initKeyHandler();
 	void updateSubmitSettings();
 	void updateSendButtonType();
+	void updateMessagesTTLShown();
 	void updateHeight();
 	void updateWrappingVisibility();
 	void updateControlsVisibility();
@@ -286,6 +288,7 @@ private:
 	const not_null<Ui::InputField*> _field;
 	const not_null<Ui::IconButton*> _botCommandStart;
 	std::unique_ptr<Ui::SilentToggle> _silent;
+	std::unique_ptr<Controls::TTLButton> _ttlInfo;
 
 	std::unique_ptr<InlineBots::Layout::Widget> _inlineResults;
 	std::unique_ptr<ChatHelpers::TabbedPanel> _tabbedPanel;

Telegram/SourceFiles/history/view/controls/history_view_ttl_button.cpp

@@ -0,0 +1,94 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "history/view/controls/history_view_ttl_button.h"
+
+#include "data/data_peer.h"
+#include "data/data_chat.h"
+#include "data/data_channel.h"
+#include "data/data_changes.h"
+#include "main/main_session.h"
+#include "lang/lang_keys.h"
+#include "boxes/peers/edit_peer_info_box.h"
+#include "ui/layers/generic_box.h"
+#include "ui/toast/toast.h"
+#include "apiwrap.h"
+#include "styles/style_chat.h"
+
+namespace HistoryView::Controls {
+
+TTLButton::TTLButton(not_null<QWidget*> parent, not_null<PeerData*> peer)
+: _button(parent, st::historyMessagesTTL) {
+	_button.setClickedCallback([=] {
+		const auto canEdit = peer->isUser()
+			|| (peer->isChat()
+				&& peer->asChat()->canDeleteMessages())
+			|| (peer->isChannel()
+				&& peer->asChannel()->canDeleteMessages());
+		if (!canEdit) {
+			const auto duration = (peer->messagesTTL() < 3 * 86400)
+				? tr::lng_ttl_about_duration1(tr::now)
+				: tr::lng_ttl_about_duration2(tr::now);
+			Ui::Toast::Show(tr::lng_ttl_about_tooltip(
+				tr::now,
+				lt_duration,
+				duration));
+			return;
+		}
+		const auto callback = crl::guard(&peer->session(), [=](
+			TimeId period) {
+			using Flag = MTPmessages_SetHistoryTTL::Flag;
+			peer->session().api().request(MTPmessages_SetHistoryTTL(
+				MTP_flags(peer->oneSideTTL()
+					? Flag::f_pm_oneside
+					: Flag(0)),
+				peer->input,
+				MTP_int(period)
+			)).done([=](const MTPUpdates &result) {
+				peer->session().api().applyUpdates(result);
+			}).fail([=](const RPCError &error) {
+			}).send();
+		});
+		Ui::show(
+			Box(
+				AutoDeleteSettingsBox,
+				peer->myMessagesTTL(),
+				callback),
+			Ui::LayerOption(0));
+	});
+	peer->session().changes().peerUpdates(
+		peer,
+		Data::PeerUpdate::Flag::MessagesTTL
+	) | rpl::start_with_next([=] {
+		const auto ttl = peer->messagesTTL();
+		if (ttl < 3 * 86400) {
+			_button.setIconOverride(nullptr, nullptr);
+		} else {
+			_button.setIconOverride(
+				&st::historyMessagesTTL2Icon,
+				&st::historyMessagesTTL2IconOver);
+		}
+	}, _button.lifetime());
+}
+
+void TTLButton::show() {
+	_button.show();
+}
+
+void TTLButton::hide() {
+	_button.hide();
+}
+
+void TTLButton::move(int x, int y) {
+	_button.move(x, y);
+}
+
+int TTLButton::width() const {
+	return _button.width();
+}
+
+} // namespace HistoryView::Controls

Telegram/SourceFiles/history/view/controls/history_view_ttl_button.h

@@ -0,0 +1,29 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "ui/widgets/buttons.h"
+
+namespace HistoryView::Controls {
+
+class TTLButton final {
+public:
+	TTLButton(not_null<QWidget*> parent, not_null<PeerData*> peer);
+
+	void show();
+	void hide();
+	void move(int x, int y);
+
+	[[nodiscard]] int width() const;
+
+private:
+	Ui::IconButton _button;
+
+};
+
+} // namespace HistoryView::Controls

Telegram/SourceFiles/ui/chat/chat.style

@@ -308,6 +308,13 @@ historyAttachEmoji: IconButton(historyAttach) {
 	iconOver: icon {{ "send_control_emoji", historyComposeIconFgOver }};
 	iconPosition: point(-1px, -1px);
 }
+historyMessagesTTL: IconButton(historyAttach) {
+	icon: icon {{ "chat/send_control_autodelete_1d", historyComposeIconFg }};
+	iconOver: icon {{ "chat/send_control_autodelete_1d", historyComposeIconFgOver }};
+	iconPosition: point(-1px, -1px);
+}
+historyMessagesTTL2Icon: icon {{ "chat/send_control_autodelete_7d", historyComposeIconFg }};
+historyMessagesTTL2IconOver: icon {{ "chat/send_control_autodelete_7d", historyComposeIconFgOver }};
 historyAttachEmojiFgActive: windowActiveTextFg;
 historyAttachEmojiActive: icon {{ "send_control_emoji", historyAttachEmojiFgActive }};
 historyAttachEmojiTooltipDelta: 4px;