Allow to edit chat ttl_period from Clear History.

Telegram/Resources/langs/lang.strings

@@ -1696,6 +1696,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_delete_for_me_chat_hint#other" = "This will delete them just for you, not for other participants of the chat.";
 "lng_delete_for_me_hint#one" = "This will delete it just for you.";
 "lng_delete_for_me_hint#other" = "This will delete them just for you.";
+"lng_edit_auto_delete_settings" = "Edit Auto-Delete Settings";
 "lng_selected_unsend_about_user_one" = "You can also delete the message you sent from {user}'s inbox by checking \"Unsend my messages\".";
 "lng_selected_unsend_about_user#one" = "You can also delete the {count} message you sent from {user}'s inbox by checking \"Unsend my messages\".";
 "lng_selected_unsend_about_user#other" = "You can also delete the {count} messages you sent from {user}'s inbox by checking \"Unsend my messages\".";

Telegram/SourceFiles/boxes/confirm_box.cpp

@@ -14,6 +14,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_invite_links.h"
 #include "history/history.h"
 #include "history/history_item.h"
+#include "ui/layers/generic_box.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/labels.h"
@@ -36,6 +37,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_photo_media.h"
 #include "data/data_changes.h"
 #include "base/unixtime.h"
+#include "boxes/peers/edit_peer_info_box.h"
 #include "main/main_session.h"
 #include "mtproto/mtproto_config.h"
 #include "facades.h" // Ui::showChatsList
@@ -650,6 +652,37 @@ void DeleteMessagesBox::prepare() {
 	}
 	_text.create(this, rpl::single(std::move(details)), st::boxLabel);
 
+	if (_wipeHistoryJustClear
+		&& _wipeHistoryPeer
+		&& (_wipeHistoryPeer->isUser()
+			|| _wipeHistoryPeer->isMegagroup()
+			|| _wipeHistoryPeer->isChat())) {
+		_autoDeleteSettings.create(
+			this,
+			tr::lng_edit_auto_delete_settings(tr::now),
+			st::boxLinkButton);
+		const auto peer = _wipeHistoryPeer;
+		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();
+		});
+		_autoDeleteSettings->setClickedCallback([=] {
+			getDelegate()->show(
+				Box(
+					AutoDeleteSettingsBox,
+					_wipeHistoryPeer->myMessagesTTL(),
+					callback),
+				Ui::LayerOption(0));
+		});
+	}
+
 	addButton(
 		deleteText->value(),
 		[=] { deleteAndClear(); },
@@ -669,6 +702,9 @@ void DeleteMessagesBox::prepare() {
 	} else if (_revoke) {
 		fullHeight += st::boxMediumSkip + _revoke->heightNoMargins();
 	}
+	if (_autoDeleteSettings) {
+		fullHeight += st::boxMediumSkip + _autoDeleteSettings->height();
+	}
 	setDimensions(st::boxWidth, fullHeight);
 }
 
@@ -791,8 +827,8 @@ void DeleteMessagesBox::resizeEvent(QResizeEvent *e) {
 	BoxContent::resizeEvent(e);
 
 	_text->moveToLeft(st::boxPadding.left(), st::boxPadding.top());
+	auto top = _text->bottomNoMargins() + st::boxMediumSkip;
 	if (_moderateFrom) {
-		auto top = _text->bottomNoMargins() + st::boxMediumSkip;
 		if (_banUser) {
 			_banUser->moveToLeft(st::boxPadding.left(), top);
 			top += _banUser->heightNoMargins() + st::boxLittleSkip;
@@ -801,11 +837,17 @@ void DeleteMessagesBox::resizeEvent(QResizeEvent *e) {
 		top += _reportSpam->heightNoMargins() + st::boxLittleSkip;
 		if (_deleteAll) {
 			_deleteAll->moveToLeft(st::boxPadding.left(), top);
+			top += _deleteAll->heightNoMargins() + st::boxLittleSkip;
 		}
 	} else if (_revoke) {
 		const auto availableWidth = width() - 2 * st::boxPadding.left();
 		_revoke->resizeToNaturalWidth(availableWidth);
-		_revoke->moveToLeft(st::boxPadding.left(), _text->bottomNoMargins() + st::boxMediumSkip);
+		_revoke->moveToLeft(st::boxPadding.left(), top);
+		top += _revoke->heightNoMargins() + st::boxLittleSkip;
+	}
+	if (_autoDeleteSettings) {
+		top += st::boxMediumSkip - st::boxLittleSkip;
+		_autoDeleteSettings->moveToLeft(st::boxPadding.left(), top);
 	}
 }
 

Telegram/SourceFiles/boxes/confirm_box.h

@@ -23,6 +23,7 @@ namespace Ui {
 class Checkbox;
 class FlatLabel;
 class EmptyUserpic;
+class LinkButton;
 } // namespace Ui
 
 class InformBox;
@@ -243,6 +244,7 @@ private:
 	object_ptr<Ui::Checkbox> _banUser = { nullptr };
 	object_ptr<Ui::Checkbox> _reportSpam = { nullptr };
 	object_ptr<Ui::Checkbox> _deleteAll = { nullptr };
+	object_ptr<Ui::LinkButton> _autoDeleteSettings = { nullptr };
 
 	Fn<void()> _deleteConfirmedCallback;
 

Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp

@@ -899,36 +899,9 @@ void Controller::fillSetMessagesTTLButton() {
 		_ttlSavedValue = value;
 	});
 	const auto buttonCallback = [=] {
-		Ui::show(Box([=](not_null<Ui::GenericBox*> box) {
-			const auto options = {
-				tr::lng_manage_messages_ttl_never(tr::now),
-				tr::lng_manage_messages_ttl_after1(tr::now),
-				tr::lng_manage_messages_ttl_after2(tr::now),
-				u"5 seconds"_q, AssertIsDebug()
-			};
-			const auto initial = !*_ttlSavedValue
-				? 0
-				: (*_ttlSavedValue == 5) AssertIsDebug()
-				? 3 AssertIsDebug()
-				: (*_ttlSavedValue < 3 * 86400)
-				? 1
-				: 2;
-			const auto callback = [=](int option) {
-				boxCallback(!option
-					? 0
-					: (option == 1)
-					? 86400
-					: (option == 3) AssertIsDebug()
-					? 5 AssertIsDebug()
-					: 7 * 86400);
-			};
-			SingleChoiceBox(box, {
-				.title = tr::lng_manage_messages_ttl_title(),
-				.options = options,
-				.initialSelection = initial,
-				.callback = callback,
-			});
-		}), Ui::LayerOption::KeepOther);
+		Ui::show(
+			Box(AutoDeleteSettingsBox, *_ttlSavedValue, boxCallback),
+			Ui::LayerOption::KeepOther);
 	};
 	AddButtonWithText(
 		_controls.buttonsLayout,
@@ -1641,6 +1614,42 @@ void Controller::deleteChannel() {
 
 } // namespace
 
+
+void AutoDeleteSettingsBox(
+		not_null<Ui::GenericBox*> box,
+		TimeId ttlPeriod,
+		Fn<void(TimeId)> callback) {
+	const auto options = {
+		tr::lng_manage_messages_ttl_never(tr::now),
+		tr::lng_manage_messages_ttl_after1(tr::now),
+		tr::lng_manage_messages_ttl_after2(tr::now),
+		u"5 seconds"_q, AssertIsDebug()
+	};
+	const auto initial = !ttlPeriod
+		? 0
+		: (ttlPeriod == 5) AssertIsDebug()
+		? 3 AssertIsDebug()
+		: (ttlPeriod < 3 * 86400)
+		? 1
+		: 2;
+	const auto callbackFromOption = [=](int option) {
+		const auto period = !option
+			? 0
+			: (option == 1)
+			? 86400
+			: (option == 3) AssertIsDebug()
+			? 5 AssertIsDebug()
+			: 7 * 86400;
+		callback(period);
+	};
+	SingleChoiceBox(box, {
+		.title = tr::lng_manage_messages_ttl_title(),
+		.options = options,
+		.initialSelection = initial,
+		.callback = callbackFromOption,
+	});
+}
+
 EditPeerInfoBox::EditPeerInfoBox(
 	QWidget*,
 	not_null<Window::SessionNavigation*> navigation,

Telegram/SourceFiles/boxes/peers/edit_peer_info_box.h

@@ -23,6 +23,11 @@ class VerticalLayout;
 class SettingsButton;
 } // namespace Ui
 
+void AutoDeleteSettingsBox(
+	not_null<Ui::GenericBox*> box,
+	TimeId ttlPeriod,
+	Fn<void(TimeId)> callback);
+
 class EditPeerInfoBox : public Ui::BoxContent {
 public:
 	EditPeerInfoBox(