Support sending albums to slowmode groups.

Telegram/SourceFiles/boxes/send_files_box.cpp

@@ -1483,6 +1483,11 @@ void SendFilesBox::prepare() {
 void SendFilesBox::initSendWay() {
 	refreshAlbumMediaCount();
 	const auto value = [&] {
+		if (_sendLimit == SendLimit::One
+			&& _list.albumIsPossible
+			&& _list.files.size() > 1) {
+			return SendFilesWay::Album;
+		}
 		if (_compressConfirm == CompressConfirm::None) {
 			return SendFilesWay::Files;
 		} else if (_compressConfirm == CompressConfirm::No) {
@@ -1571,7 +1576,8 @@ void SendFilesBox::setupSendWayControls() {
 	_sendAlbum.destroy();
 	_sendPhotos.destroy();
 	_sendFiles.destroy();
-	if (_compressConfirm == CompressConfirm::None) {
+	if (_compressConfirm == CompressConfirm::None
+		|| _sendLimit == SendLimit::One) {
 		return;
 	}
 	const auto addRadio = [&](

Telegram/SourceFiles/history/history_message.cpp

@@ -111,7 +111,8 @@ bool HasInlineItems(const HistoryItemsList &items) {
 QString GetErrorTextForForward(
 		not_null<PeerData*> peer,
 		const HistoryItemsList &items,
-		const TextWithTags &comment) {
+		const TextWithTags &comment,
+		bool ignoreSlowmodeCountdown) {
 	if (!peer->canWrite()) {
 		return tr::lng_forward_cant(tr::now);
 	}
@@ -131,9 +132,19 @@ QString GetErrorTextForForward(
 		return *error;
 	}
 
-	if (peer->slowmodeApplied() && !comment.text.isEmpty()) {
+	if (peer->slowmodeApplied()) {
+		if (const auto history = peer->owner().historyLoaded(peer)) {
+			if (!ignoreSlowmodeCountdown
+				&& (history->latestSendingMessage() != nullptr)
+				&& (!items.empty() || !comment.text.isEmpty())) {
 				return tr::lng_slowmode_no_many(tr::now);
-	} else if (peer->slowmodeApplied() && items.size() > 1) {
+			}
+		}
+		if (comment.text.size() > MaxMessageSize) {
+			return tr::lng_slowmode_no_many(tr::now);
+		} else if (!items.empty() && !comment.text.isEmpty()) {
+			return tr::lng_slowmode_no_many(tr::now);
+		} else if (items.size() > 1) {
 			const auto albumForward = [&] {
 				if (const auto groupId = items.front()->groupId()) {
 					for (const auto item : items) {
@@ -149,13 +160,15 @@ QString GetErrorTextForForward(
 				return tr::lng_slowmode_no_many(tr::now);
 			}
 		}
-
+	}
 	if (const auto left = peer->slowmodeSecondsLeft()) {
+		if (!ignoreSlowmodeCountdown) {
 			return tr::lng_slowmode_enabled(
 				tr::now,
 				lt_left,
 				formatDurationWords(left));
 		}
+	}
 
 	return QString();
 }
@@ -327,8 +340,9 @@ MTPDmessage::Flags NewMessageFlags(not_null<PeerData*> peer) {
 
 QString GetErrorTextForForward(
 		not_null<PeerData*> peer,
-		const HistoryItemsList &items) {
+		const HistoryItemsList &items,
-	return GetErrorTextForForward(peer, items, TextWithTags());
+		bool ignoreSlowmodeCountdown) {
+	return GetErrorTextForForward(peer, items, {}, ignoreSlowmodeCountdown);
 }
 
 struct HistoryMessage::CreateConfig {

Telegram/SourceFiles/history/history_message.h

@@ -20,7 +20,13 @@ Fn<void(ChannelData*, MsgId)> HistoryDependentItemCallback(
 MTPDmessage::Flags NewMessageFlags(not_null<PeerData*> peer);
 QString GetErrorTextForForward(
 	not_null<PeerData*> peer,
-	const HistoryItemsList &items);
+	const HistoryItemsList &items,
+	bool ignoreSlowmodeCountdown = false);
+QString GetErrorTextForForward(
+	not_null<PeerData*> peer,
+	const HistoryItemsList &items,
+	const TextWithTags &comment,
+	bool ignoreSlowmodeCountdown = false);
 void FastShareMessage(not_null<HistoryItem*> item);
 
 class HistoryMessage

Telegram/SourceFiles/history/history_widget.cpp

@@ -2836,15 +2836,14 @@ void HistoryWidget::send(Qt::KeyboardModifiers modifiers) {
 	message.webPageId = webPageId;
 	message.handleSupportSwitch = Support::HandleSwitch(modifiers);
 
-	if (_peer->slowmodeApplied()) {
+	const auto error = GetErrorTextForForward(
-		if (_toForward.size() > 1
+		_peer,
-			|| (!_toForward.empty()
+		_toForward,
-				&& !message.textWithTags.text.isEmpty())
+		message.textWithTags);
-			|| (message.textWithTags.text.size() > MaxMessageSize)) {
+	if (!error.isEmpty()) {
-			ShowErrorToast(tr::lng_slowmode_no_many(tr::now));
+		ShowErrorToast(error);
 		return;
 	}
-	}
 
 	session().api().sendMessage(std::move(message));
 
@@ -3055,10 +3054,7 @@ void HistoryWidget::chooseAttach() {
 		+ cImgExtensions().join(qsl(" *"))
 		+ qsl(")");
 
-	const auto method = _peer->slowmodeApplied()
+	FileDialog::GetOpenPaths(this, tr::lng_choose_files(tr::now), filter, crl::guard(this, [=](
-		? &FileDialog::GetOpenPath
-		: &FileDialog::GetOpenPaths;
-	method(this, tr::lng_choose_files(tr::now), filter, crl::guard(this, [=](
 			FileDialog::OpenResult &&result) {
 		if (result.paths.isEmpty() && result.remoteContent.isEmpty()) {
 			return;
@@ -4000,7 +3996,9 @@ bool HistoryWidget::showSendingFilesError(
 		} else if (!canWriteMessage()) {
 			return tr::lng_forward_send_files_cant(tr::now);
 		}
-		if (list.files.size() > 1 && _peer->slowmodeApplied()) {
+		if (list.files.size() > 1
+			&& _peer->slowmodeApplied()
+			&& !list.albumIsPossible) {
 			return tr::lng_slowmode_no_many(tr::now);
 		} else if (const auto left = _peer->slowmodeSecondsLeft()) {
 			return tr::lng_slowmode_enabled(
@@ -4222,7 +4220,7 @@ void HistoryWidget::uploadFilesAfterConfirmation(
 	const auto isAlbum = (album != nullptr);
 	const auto compressImages = (type == SendMediaType::Photo);
 	if (_peer->slowmodeApplied()
-		&& (list.files.size() > 1
+		&& ((list.files.size() > 1 && !album)
 			|| (!list.files.empty()
 				&& !caption.text.isEmpty()
 				&& !list.canAddCaption(isAlbum, compressImages)))) {

Telegram/SourceFiles/mainwidget.cpp

@@ -597,7 +597,8 @@ bool MainWidget::setForwardDraft(PeerId peerId, MessageIdsList &&items) {
 	const auto peer = session().data().peer(peerId);
 	const auto error = GetErrorTextForForward(
 		peer,
-		session().data().idsToItems(items));
+		session().data().idsToItems(items),
+		true);
 	if (!error.isEmpty()) {
 		Ui::show(Box<InformBox>(error), LayerOption::KeepOther);
 		return false;
@@ -681,10 +682,8 @@ void MainWidget::cancelForwarding(not_null<History*> history) {
 void MainWidget::finishForwarding(not_null<History*> history) {
 	auto toForward = history->validateForwardDraft();
 	if (!toForward.empty()) {
-		if (history->peer->slowmodeSecondsLeft()
+		const auto error = GetErrorTextForForward(history->peer, toForward);
-			|| (history->peer->slowmodeApplied()
+		if (!error.isEmpty()) {
-				&& (toForward.size() > 1
-					|| history->latestSendingMessage() != nullptr))) {
 			return;
 		}