Fix possible crashes in toastParent expiring.

Telegram/SourceFiles/api/api_bot.cpp

@@ -110,7 +110,9 @@ void SendBotCallbackData(
 		const auto showAlert = data.is_alert();
 
 		if (!message.isEmpty()) {
-			if (showAlert) {
+			if (!show->valid()) {
+				return;
+			} else if (showAlert) {
 				show->showBox(Ui::MakeInformBox(message));
 			} else {
 				if (withPassword) {

Telegram/SourceFiles/api/api_report.cpp

@@ -44,9 +44,10 @@ void SendReport(
 		Ui::ReportReason reason,
 		const QString &comment,
 		std::variant<v::null_t, MessageIdsList, not_null<PhotoData*>> data) {
-	auto done = [=] {
+	auto weak = Ui::MakeWeak(toastParent.get());
+	auto done = crl::guard(toastParent, [=] {
 		Ui::Toast::Show(toastParent, tr::lng_report_thanks(tr::now));
-	};
+	});
 	v::match(data, [&](v::null_t) {
 		peer->session().api().request(MTPaccount_ReportPeer(
 			peer->input,

Telegram/SourceFiles/boxes/peers/edit_participant_box.cpp

@@ -622,21 +622,21 @@ void EditAdminBox::sendTransferRequestFrom(
 		channel->inputChannel,
 		user->inputUser,
 		result.result
-	)).done([=, toastParent = _show.toastParent()](const MTPUpdates &result) {
+	)).done([=](const MTPUpdates &result) {
 		api->applyUpdates(result);
+		if (!box && !weak) {
+			return;
+		}
+
 		Ui::Toast::Show(
-			toastParent,
+			(box ? Ui::BoxShow(box) : weak->_show).toastParent(),
 			(channel->isBroadcast()
 				? tr::lng_rights_transfer_done_channel
 				: tr::lng_rights_transfer_done_group)(
 					tr::now,
 					lt_user,
 					user->shortName()));
-		if (box) {
-			Ui::BoxShow(box).hideLayer();
-		} else if (weak) {
-			weak->_show.hideLayer();
-		}
+		(box ? Ui::BoxShow(box) : weak->_show).hideLayer();
 	}).fail(crl::guard(this, [=](const MTP::Error &error) {
 		if (weak) {
 			_transferRequestId = 0;

Telegram/SourceFiles/boxes/sticker_set_box.cpp

@@ -1438,6 +1438,7 @@ void StickerSetBox::Inner::install() {
 }
 
 void StickerSetBox::Inner::archiveStickers() {
+	const auto toastParent = Window::Show(_controller).toastParent();
 	_api.request(MTPmessages_InstallStickerSet(
 		Data::InputStickerSet(_input),
 		MTP_boolTrue()
@@ -1445,9 +1446,9 @@ void StickerSetBox::Inner::archiveStickers() {
 		if (result.type() == mtpc_messages_stickerSetInstallResultSuccess) {
 			_setArchived.fire_copy(_setId);
 		}
-	}).fail([toastParent = Window::Show(_controller).toastParent()] {
+	}).fail(crl::guard(toastParent, [=] {
 		Ui::Toast::Show(toastParent, Lang::Hard::ServerError());
-	}).send();
+	})).send();
 }
 
 void StickerSetBox::Inner::updateItems() {

Telegram/SourceFiles/history/view/history_view_context_menu.cpp

@@ -1209,11 +1209,11 @@ void AddSaveSoundForNotifications(
 		Api::ToggleSavedRingtone(
 			document,
 			item->fullId(),
-			[=] {
+			crl::guard(toastParent, [=] {
 				Ui::Toast::Show(
 					toastParent,
 					tr::lng_ringtones_toast_added(tr::now));
-			},
+			}),
 			true);
 	}, &st::menuIconSoundAdd);
 }

Telegram/SourceFiles/menu/menu_ttl.cpp

@@ -202,7 +202,6 @@ void TTLBox(not_null<Ui::GenericBox*> box, Args args) {
 	if (args.startTtl && !args.hideDisable) {
 		box->addLeftButton(tr::lng_manage_messages_ttl_disable(), [=] {
 			args.callback(0, [=] { box->closeBox(); });
-			box->getDelegate()->hideLayer();
 		});
 	}
 }

Telegram/SourceFiles/menu/menu_ttl_validator.cpp

@@ -68,7 +68,7 @@ Args TTLValidator::createArgs() const {
 		mtpRequestId savingRequestId = 0;
 	};
 	const auto state = std::make_shared<State>();
-	auto callback = [=, toastParent = show->toastParent()](
+	auto callback = [=](
 			TimeId period,
 			Fn<void()>) {
 		auto &api = peer->session().api();
@@ -79,12 +79,15 @@ Args TTLValidator::createArgs() const {
 			api.request(state->savingRequestId).cancel();
 		}
 		state->savingPeriod = period;
+		const auto weak = Ui::MakeWeak(show->toastParent().get());
 		state->savingRequestId = api.request(MTPmessages_SetHistoryTTL(
 			peer->input,
 			MTP_int(period)
 		)).done([=](const MTPUpdates &result) {
 			peer->session().api().applyUpdates(result);
-			ShowAutoDeleteToast(toastParent, peer);
+			if (const auto strong = weak.data()) {
+				ShowAutoDeleteToast(strong, peer);
+			}
 			state->savingRequestId = 0;
 		}).fail([=] {
 			state->savingRequestId = 0;

Telegram/lib_ui

@@ -1 +1 @@
-Subproject commit d5921e742fa9f17f65a25091a184f5a8a72ea779
+Subproject commit 580e6a561f7d252a94888b54c206e06ac0237c38