Show "premium required" information in chat.

Telegram/CMakeLists.txt

@@ -752,6 +752,8 @@ PRIVATE
     history/view/reactions/history_view_reactions_strip.h
     history/view/reactions/history_view_reactions_tabs.cpp
     history/view/reactions/history_view_reactions_tabs.h
+    history/view/history_view_about_view.cpp
+    history/view/history_view_about_view.h
     history/view/history_view_bottom_info.cpp
     history/view/history_view_bottom_info.h
     history/view/history_view_contact_status.cpp

Telegram/Resources/langs/lang.strings

@@ -3612,6 +3612,16 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 "lng_restricted_send_voice_messages" = "{user} restricted sending of voice messages to them.";
 "lng_restricted_send_video_messages" = "{user} restricted sending of video messages to them.";
+"lng_restricted_send_non_premium" = "Only Premium users can message {user}.";
+"lng_restricted_send_non_premium_more" = "Learn more...";
+
+"lng_send_non_premium_text" = "Subscribe to **Premium**\n to message {user}.";
+"lng_send_non_premium_go" = "Go Premium";
+"lng_send_non_premium_story" = "Replies restricted";
+"lng_send_non_premium_unlock" = "Unlock";
+"lng_send_non_premium_story_toast" = "You need a **Premium** subscription to reply to **{user}'s** stories.";
+"lng_send_non_premium_message_toast" = "**{user}** only accepts messages from contacts and **Premium** users.";
+"lng_send_non_premium_toast_button" = "View";
 
 "lng_exceptions_list_title" = "Exceptions";
 "lng_removed_list_title" = "Removed users";

Telegram/SourceFiles/chat_helpers/message_field.cpp

@@ -33,6 +33,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "mainwindow.h"
 #include "main/main_session.h"
+#include "settings/settings_premium.h"
 #include "styles/style_layers.h"
 #include "styles/style_boxes.h"
 #include "styles/style_chat.h"
@@ -904,3 +905,68 @@ base::unique_qptr<Ui::RpWidget> CreateDisabledFieldView(
 	});
 	return result;
 }
+
+base::unique_qptr<Ui::RpWidget> TextErrorSendRestriction(
+		QWidget *parent,
+		const QString &text) {
+	auto result = base::make_unique_q<Ui::RpWidget>(parent);
+	const auto raw = result.get();
+	const auto label = CreateChild<Ui::FlatLabel>(
+		result.get(),
+		text,
+		st::historySendPremiumRequired);
+	label->setAttribute(Qt::WA_TransparentForMouseEvents);
+	raw->paintRequest() | rpl::start_with_next([=](QRect clip) {
+		QPainter(raw).fillRect(clip, st::windowBg);
+	}, raw->lifetime());
+	raw->sizeValue(
+	) | rpl::start_with_next([=](QSize size) {
+		const auto &st = st::historyComposeField;
+		const auto width = size.width();
+		const auto margins = (st.textMargins + st.placeholderMargins);
+		const auto available = width - margins.left() - margins.right();
+		label->resizeToWidth(available);
+		label->moveToLeft(
+			margins.left(),
+			(size.height() - label->height()) / 2,
+			width);
+	}, label->lifetime());
+	return result;
+}
+
+base::unique_qptr<Ui::RpWidget> PremiumRequiredSendRestriction(
+		QWidget *parent,
+		not_null<UserData*> user,
+		not_null<Window::SessionController*> controller) {
+	auto result = base::make_unique_q<Ui::RpWidget>(parent);
+	const auto raw = result.get();
+	const auto label = CreateChild<Ui::FlatLabel>(
+		result.get(),
+		tr::lng_restricted_send_non_premium(
+			tr::now,
+			lt_user,
+			user->shortName()),
+		st::historySendPremiumRequired);
+	label->setAttribute(Qt::WA_TransparentForMouseEvents);
+	const auto link = CreateChild<Ui::LinkButton>(
+		result.get(),
+		tr::lng_restricted_send_non_premium_more(tr::now));
+	raw->paintRequest() | rpl::start_with_next([=](QRect clip) {
+		QPainter(raw).fillRect(clip, st::windowBg);
+	}, raw->lifetime());
+	raw->widthValue(
+	) | rpl::start_with_next([=](int width) {
+		const auto &st = st::historyComposeField;
+		const auto margins = (st.textMargins + st.placeholderMargins);
+		const auto available = width - margins.left() - margins.right();
+		label->resizeToWidth(available);
+		label->moveToLeft(margins.left(), margins.top(), width);
+		link->move(
+			(width - link->width()) / 2,
+			label->y() + label->height());
+	}, label->lifetime());
+	link->setClickedCallback([=] {
+		Settings::ShowPremium(controller, u"require_premium"_q);
+	});
+	return result;
+}

Telegram/SourceFiles/chat_helpers/message_field.h

@@ -143,3 +143,10 @@ private:
 [[nodiscard]] base::unique_qptr<Ui::RpWidget> CreateDisabledFieldView(
 	QWidget *parent,
 	not_null<PeerData*> peer);
+[[nodiscard]] base::unique_qptr<Ui::RpWidget> TextErrorSendRestriction(
+	QWidget *parent,
+	const QString &text);
+[[nodiscard]] base::unique_qptr<Ui::RpWidget> PremiumRequiredSendRestriction(
+	QWidget *parent,
+	not_null<UserData*> user,
+	not_null<Window::SessionController*> controller);

Telegram/SourceFiles/data/data_chat_participant_status.cpp

@@ -15,6 +15,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_peer_values.h"
 #include "data/data_user.h"
 #include "lang/lang_keys.h"
+#include "main/main_session.h"
 #include "ui/chat/attach/attach_prepare.h"
 
 namespace {
@@ -113,6 +114,9 @@ bool CanSendAnyOf(
 	if (const auto user = peer->asUser()) {
 		if (user->isInaccessible() || user->isRepliesChat()) {
 			return false;
+		} else if (user->meRequiresPremiumToWrite()
+			&& !user->session().premium()) {
+			return false;
 		} else if (rights
 			& ~(ChatRestriction::SendVoiceMessages
 				| ChatRestriction::SendVideoMessages
@@ -167,6 +171,13 @@ std::optional<QString> RestrictionError(
 	using Flag = ChatRestriction;
 	if (const auto restricted = peer->amRestricted(restriction)) {
 		if (const auto user = peer->asUser()) {
+			if (user->meRequiresPremiumToWrite()
+				&& !user->session().premium()) {
+				return tr::lng_restricted_send_non_premium(
+					tr::now,
+					lt_user,
+					user->shortName());
+			}
 			const auto result = (restriction == Flag::SendVoiceMessages)
 				? tr::lng_restricted_send_voice_messages(
 					tr::now,

Telegram/SourceFiles/data/data_peer.cpp

@@ -1101,6 +1101,9 @@ Data::RestrictionCheckResult PeerData::amRestricted(
 		}
 	};
 	if (const auto user = asUser()) {
+		if (user->meRequiresPremiumToWrite() && !user->session().premium()) {
+			return Result::Explicit();
+		}
 		return (right == ChatRestriction::SendVoiceMessages
 			|| right == ChatRestriction::SendVideoMessages)
 			? ((user->flags() & UserDataFlag::VoiceMessagesForbidden)

Telegram/SourceFiles/data/data_peer_values.cpp

@@ -217,13 +217,24 @@ inline auto DefaultRestrictionValue(
 		using namespace rpl::mappers;
 		const auto other = rights & ~(ChatRestriction::SendVoiceMessages
 			| ChatRestriction::SendVideoMessages);
+		auto allowedAny = PeerFlagsValue(
+			user,
+			(UserDataFlag::Deleted | UserDataFlag::MeRequiresPremiumToWrite)
+		) | rpl::map([=](UserDataFlags flags) {
+			return (flags & UserDataFlag::Deleted)
+				? rpl::single(false)
+				: !(flags & UserDataFlag::MeRequiresPremiumToWrite)
+				? rpl::single(true)
+				: AmPremiumValue(&user->session());
+		}) | rpl::flatten_latest();
 		if (other) {
-			return PeerFlagValue(user, UserDataFlag::Deleted)
-				| rpl::map(!_1);
+			return std::move(allowedAny);
 		}
-		const auto mask = UserDataFlag::Deleted
-			| UserDataFlag::VoiceMessagesForbidden;
-		return PeerFlagsValue(user, mask) | rpl::map(!_1);
+		const auto mask = UserDataFlag::VoiceMessagesForbidden;
+		return rpl::combine(
+			std::move(allowedAny),
+			PeerFlagValue(user, mask),
+			_1 && !_2);
 	} else if (const auto chat = peer->asChat()) {
 		const auto mask = ChatDataFlag()
 			| ChatDataFlag::Deactivated

Telegram/SourceFiles/data/data_session.cpp

@@ -520,6 +520,7 @@ not_null<UserData*> Session::processUser(const MTPUser &data) {
 			| Flag::Premium
 			| Flag::Support
 			| Flag::SomeRequirePremiumToWrite
+			| Flag::MeRequiresPremiumToWrite AssertIsDebug()
 			| Flag::RequirePremiumToWriteKnown
 			| (!minimal
 				? Flag::Contact
@@ -542,7 +543,7 @@ not_null<UserData*> Session::processUser(const MTPUser &data) {
 			| (data.is_premium() ? Flag::Premium : Flag())
 			| (data.is_support() ? Flag::Support : Flag())
 			| (data.is_contact_require_premium()
-				? (Flag::SomeRequirePremiumToWrite
+				? ((Flag::SomeRequirePremiumToWrite | Flag::MeRequiresPremiumToWrite) AssertIsDebug()
 					| (result->someRequirePremiumToWrite()
 						? (result->requirePremiumToWriteKnown()
 							? Flag::RequirePremiumToWriteKnown

Telegram/SourceFiles/data/data_types.h

@@ -300,8 +300,8 @@ enum class MessageFlag : uint64 {
 	OnlyEmojiAndSpaces    = (1ULL << 35),
 	OnlyEmojiAndSpacesSet = (1ULL << 36),
 
-	// Fake message with bot cover and information.
-	FakeBotAbout          = (1ULL << 37),
+	// Fake message with some info, like bot cover and information.
+	FakeAboutView         = (1ULL << 37),
 
 	StoryItem             = (1ULL << 38),
 

Telegram/SourceFiles/data/data_user.cpp

@@ -506,7 +506,7 @@ void ApplyUserUpdate(not_null<UserData*> user, const MTPDuserFull &update) {
 		| Flag::VoiceMessagesForbidden
 		| Flag::ReadDatesPrivate
 		| Flag::RequirePremiumToWriteKnown
-		| Flag::MeRequiresPremiumToWrite;
+		/*| Flag::MeRequiresPremiumToWrite*/; AssertIsDebug()
 	user->setFlags((user->flags() & ~mask)
 		| (update.is_phone_calls_private()
 			? Flag::PhoneCallsPrivate

Telegram/SourceFiles/history/history_inner_widget.cpp

@@ -9,7 +9,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "core/file_utilities.h"
 #include "core/click_handler_types.h"
-#include "history/admin_log/history_admin_log_item.h"
 #include "history/history_item_helpers.h"
 #include "history/view/controls/history_view_forward_panel.h"
 #include "history/view/controls/history_view_draft_options.h"
@@ -17,6 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/view/media/history_view_web_page.h"
 #include "history/view/reactions/history_view_reactions_button.h"
 #include "history/view/reactions/history_view_reactions_selector.h"
+#include "history/view/history_view_about_view.h"
 #include "history/view/history_view_message.h"
 #include "history/view/history_view_service_message.h"
 #include "history/view/history_view_cursor_state.h"
@@ -305,102 +305,6 @@ public:
 
 };
 
-class HistoryInner::BotAbout final : public ClickHandlerHost {
-public:
-	BotAbout(
-		not_null<History*> history,
-		not_null<HistoryView::ElementDelegate*> delegate);
-
-	[[nodiscard]] not_null<History*> history() const;
-	[[nodiscard]] HistoryView::Element *view() const;
-	[[nodiscard]] HistoryItem *item() const;
-
-	bool refresh();
-
-	int top = 0;
-	int height = 0;
-
-private:
-	const not_null<History*> _history;
-	const not_null<HistoryView::ElementDelegate*> _delegate;
-	AdminLog::OwnedItem _item;
-	int _version = 0;
-
-};
-
-HistoryInner::BotAbout::BotAbout(
-	not_null<History*> history,
-	not_null<HistoryView::ElementDelegate*> delegate)
-: _history(history)
-, _delegate(delegate) {
-}
-
-not_null<History*> HistoryInner::BotAbout::history() const {
-	return _history;
-}
-
-HistoryView::Element *HistoryInner::BotAbout::view() const {
-	return _item.get();
-}
-
-HistoryItem *HistoryInner::BotAbout::item() const {
-	if (const auto element = view()) {
-		return element->data();
-	}
-	return nullptr;
-}
-
-bool HistoryInner::BotAbout::refresh() {
-	const auto bot = _history->peer->asUser();
-	const auto info = bot ? bot->botInfo.get() : nullptr;
-	if (!info) {
-		if (_item) {
-			_item = {};
-			return true;
-		}
-		_version = 0;
-		return false;
-	}
-	const auto version = info->descriptionVersion;
-	if (_version == version) {
-		return false;
-	}
-	_version = version;
-
-	const auto flags = MessageFlag::FakeBotAbout
-		| MessageFlag::FakeHistoryItem
-		| MessageFlag::Local;
-	const auto postAuthor = QString();
-	const auto date = TimeId(0);
-	const auto replyTo = FullReplyTo();
-	const auto viaBotId = UserId(0);
-	const auto groupedId = uint64(0);
-	const auto textWithEntities = TextUtilities::ParseEntities(
-		info->description,
-		Ui::ItemTextBotNoMonoOptions().flags);
-	const auto make = [&](auto &&a, auto &&b, auto &&...other) {
-		return _history->makeMessage(
-			_history->nextNonHistoryEntryId(),
-			flags,
-			replyTo,
-			viaBotId,
-			date,
-			bot->id,
-			postAuthor,
-			std::forward<decltype(a)>(a),
-			std::forward<decltype(b)>(b),
-			HistoryMessageMarkupData(),
-			std::forward<decltype(other)>(other)...);
-	};
-	const auto item = info->document
-		? make(info->document, textWithEntities)
-		: info->photo
-		? make(info->photo, textWithEntities)
-		: make(textWithEntities, MTP_messageMediaEmpty(), groupedId);
-	_item = AdminLog::OwnedItem(_delegate, item);
-	return true;
-}
-
 HistoryInner::HistoryInner(
 	not_null<HistoryWidget*> historyWidget,
 	not_null<Ui::ScrollArea*> scroll,
@@ -447,7 +351,7 @@ HistoryInner::HistoryInner(
 
 	setAttribute(Qt::WA_AcceptTouchEvents);
 
-	notifyIsBotChanged();
+	refreshAboutView();
 
 	setMouseTracking(true);
 	_controller->gifPauseLevelChanged(
@@ -1011,10 +915,10 @@ void HistoryInner::paintEvent(QPaintEvent *e) {
 
 	const auto historyDisplayedEmpty = _history->isDisplayedEmpty()
 		&& (!_migrated || _migrated->isDisplayedEmpty());
-	if (const auto view = _botAbout ? _botAbout->view() : nullptr) {
-		if (clip.y() < _botAbout->top + _botAbout->height
-			&& clip.y() + clip.height() > _botAbout->top) {
-			const auto top = _botAbout->top;
+	if (const auto view = _aboutView ? _aboutView->view() : nullptr) {
+		if (clip.y() < _aboutView->top + _aboutView->height
+			&& clip.y() + clip.height() > _aboutView->top) {
+			const auto top = _aboutView->top;
 			context.translate(0, -top);
 			context.selection = computeRenderSelection(&_selected, view);
 			p.translate(0, top);
@@ -3066,8 +2970,8 @@ void HistoryInner::recountHistoryGeometry() {
 	auto oldHistoryPaddingTop = qMax(
 		visibleHeight - historyHeight() - st::historyPaddingBottom,
 		0);
-	if (_botAbout) {
-		accumulate_max(oldHistoryPaddingTop, _botAbout->height);
+	if (_aboutView) {
+		accumulate_max(oldHistoryPaddingTop, _aboutView->height);
 	}
 
 	updateBotInfo(false);
@@ -3095,20 +2999,20 @@ void HistoryInner::recountHistoryGeometry() {
 		}
 	}
 
-	if (const auto view = _botAbout ? _botAbout->view() : nullptr) {
-		_botAbout->height = view->resizeGetHeight(_contentWidth);
-		_botAbout->top = qMin(
-			_historyPaddingTop - _botAbout->height,
-			qMax(0, (_scroll->height() - _botAbout->height) / 2));
-	} else if (_botAbout) {
-		_botAbout->top = _botAbout->height = 0;
+	if (const auto view = _aboutView ? _aboutView->view() : nullptr) {
+		_aboutView->height = view->resizeGetHeight(_contentWidth);
+		_aboutView->top = qMin(
+			_historyPaddingTop - _aboutView->height,
+			qMax(0, (_scroll->height() - _aboutView->height) / 2));
+	} else if (_aboutView) {
+		_aboutView->top = _aboutView->height = 0;
 	}
 
 	auto newHistoryPaddingTop = qMax(
 		visibleHeight - historyHeight() - st::historyPaddingBottom,
 		0);
-	if (_botAbout) {
-		accumulate_max(newHistoryPaddingTop, _botAbout->height);
+	if (_aboutView) {
+		accumulate_max(newHistoryPaddingTop, _aboutView->height);
 	}
 
 	auto historyPaddingTopDelta = (newHistoryPaddingTop - oldHistoryPaddingTop);
@@ -3122,13 +3026,13 @@ void HistoryInner::recountHistoryGeometry() {
 }
 
 void HistoryInner::updateBotInfo(bool recount) {
-	if (!_botAbout) {
+	if (!_aboutView) {
 		return;
-	} else if (_botAbout->refresh() && recount && _contentWidth > 0) {
-		const auto view = _botAbout->view();
+	} else if (_aboutView->refresh() && recount && _contentWidth > 0) {
+		const auto view = _aboutView->view();
 		const auto now = view ? view->resizeGetHeight(_contentWidth) : 0;
-		if (_botAbout->height != now) {
-			_botAbout->height = now;
+		if (_aboutView->height != now) {
+			_aboutView->height = now;
 			updateSize();
 		}
 	}
@@ -3276,14 +3180,14 @@ void HistoryInner::updateSize() {
 	const auto visibleHeight = _scroll->height();
 	const auto itemsHeight = historyHeight() - _revealHeight;
 	auto newHistoryPaddingTop = qMax(visibleHeight - itemsHeight - st::historyPaddingBottom, 0);
-	if (_botAbout) {
-		accumulate_max(newHistoryPaddingTop, _botAbout->height);
+	if (_aboutView) {
+		accumulate_max(newHistoryPaddingTop, _aboutView->height);
 	}
 
-	if (_botAbout && _botAbout->height > 0) {
-		_botAbout->top = qMin(
-			newHistoryPaddingTop - _botAbout->height,
-			qMax(0, (_scroll->height() - _botAbout->height) / 2));
+	if (_aboutView && _aboutView->height > 0) {
+		_aboutView->top = qMin(
+			newHistoryPaddingTop - _aboutView->height,
+			qMax(0, (_scroll->height() - _aboutView->height) / 2));
 	}
 
 	if (_historyPaddingTop != newHistoryPaddingTop) {
@@ -3327,7 +3231,7 @@ void HistoryInner::leaveEventHook(QEvent *e) {
 }
 
 HistoryInner::~HistoryInner() {
-	_botAbout = nullptr;
+	_aboutView = nullptr;
 	for (const auto &item : _animatedStickersPlayed) {
 		if (const auto view = item->mainView()) {
 			if (const auto media = view->media()) {
@@ -3641,11 +3545,11 @@ void HistoryInner::mouseActionUpdate() {
 	const auto reactionView = viewByItem(reactionItem);
 	const auto view = reactionView
 		? reactionView
-		: (_botAbout
-			&& _botAbout->view()
-			&& point.y() >= _botAbout->top
-			&& point.y() < _botAbout->top + _botAbout->view()->height())
-		? _botAbout->view()
+		: (_aboutView
+			&& _aboutView->view()
+			&& point.y() >= _aboutView->top
+			&& point.y() < _aboutView->top + _aboutView->view()->height())
+		? _aboutView->view()
 		: (_curHistory && !_curHistory->isEmpty())
 		? _curHistory->blocks[_curBlock]->messages[_curItem].get()
 		: nullptr;
@@ -4004,8 +3908,8 @@ void HistoryInner::clearChooseReportReason() {
 auto HistoryInner::viewByItem(const HistoryItem *item) const -> Element* {
 	return !item
 		? nullptr
-		: (_botAbout && _botAbout->item() == item)
-		? _botAbout->view()
+		: (_aboutView && _aboutView->item() == item)
+		? _aboutView->view()
 		: item->mainView();
 }
 
@@ -4017,8 +3921,8 @@ int HistoryInner::itemTop(const HistoryItem *item) const {
 int HistoryInner::itemTop(const Element *view) const {
 	if (!view) {
 		return -1;
-	} else if (_botAbout && view == _botAbout->view()) {
-		return _botAbout->top;
+	} else if (_aboutView && view == _aboutView->view()) {
+		return _aboutView->top;
 	} else if (view->data()->mainView() != view) {
 		return -1;
 	}
@@ -4056,17 +3960,27 @@ auto HistoryInner::findViewForPinnedTracking(int top) const
 	return { nullptr, 0 };
 }
 
-void HistoryInner::notifyIsBotChanged() {
+void HistoryInner::refreshAboutView() {
 	if (const auto user = _peer->asUser()) {
 		if (const auto info = user->botInfo.get()) {
-			if (!_botAbout) {
-				_botAbout = std::make_unique<BotAbout>(
+			if (!_aboutView) {
+				_aboutView = std::make_unique<HistoryView::AboutView>(
 					_history,
 					_history->delegateMixin()->delegate());
 			}
 			if (!info->inited) {
 				session().api().requestFullPeer(_peer);
 			}
+		} else if (user->meRequiresPremiumToWrite()
+			&& !user->session().premium()
+			&& !historyHeight()) {
+			if (!_aboutView) {
+				_aboutView = std::make_unique<HistoryView::AboutView>(
+					_history,
+					_history->delegateMixin()->delegate());
+			}
+		} else {
+			_aboutView = nullptr;
 		}
 	}
 }
@@ -4313,7 +4227,7 @@ void HistoryInner::applyDragSelection(
 	if (!toItems->empty() && toItems->cbegin()->second != FullSelection) {
 		toItems->clear();
 	}
-	const auto botAboutView = _botAbout ? _botAbout->view() : nullptr;
+	const auto botAboutView = _aboutView ? _aboutView->view() : nullptr;
 	if (_dragSelecting) {
 		auto fromblock = (_dragSelFrom != botAboutView)
 			? _dragSelFrom->block()->indexInHistory()

Telegram/SourceFiles/history/history_inner_widget.h

@@ -36,6 +36,7 @@ class Element;
 class TranslateTracker;
 struct PinnedId;
 struct SelectedQuote;
+class AboutView;
 } // namespace HistoryView
 
 namespace HistoryView::Reactions {
@@ -192,7 +193,7 @@ public:
 	[[nodiscard]] std::pair<Element*, int> findViewForPinnedTracking(
 		int top) const;
 
-	void notifyIsBotChanged();
+	void refreshAboutView();
 	void notifyMigrateUpdated();
 
 	// Ui::AbstractTooltipShower interface.
@@ -234,7 +235,6 @@ private:
 	void onTouchSelect();
 	void onTouchScrollTimer();
 
-	class BotAbout;
 	using ChosenReaction = HistoryView::Reactions::ChosenReaction;
 	using VideoUserpic = Dialogs::Ui::VideoUserpic;
 	using SelectedItems = std::map<HistoryItem*, TextSelection, std::less<>>;
@@ -449,7 +449,7 @@ private:
 	// the first _history message date (just skip it by height).
 	int _historySkipHeight = 0;
 
-	std::unique_ptr<BotAbout> _botAbout;
+	std::unique_ptr<HistoryView::AboutView> _aboutView;
 	std::unique_ptr<HistoryView::EmptyPainter> _emptyPainter;
 	std::unique_ptr<HistoryView::TranslateTracker> _translateTracker;
 

Telegram/SourceFiles/history/history_item.h

@@ -314,8 +314,8 @@ public:
 	[[nodiscard]] bool isLocal() const {
 		return _flags & MessageFlag::Local;
 	}
-	[[nodiscard]] bool isFakeBotAbout() const {
-		return _flags & MessageFlag::FakeBotAbout;
+	[[nodiscard]] bool isFakeAboutView() const {
+		return _flags & MessageFlag::FakeAboutView;
 	}
 	[[nodiscard]] bool showSimilarChannels() const {
 		return _flags & MessageFlag::ShowSimilarChannels;

Telegram/SourceFiles/history/history_widget.cpp

@@ -577,7 +577,7 @@ HistoryWidget::HistoryWidget(
 	) | rpl::filter([=](not_null<UserData*> user) {
 		return (_peer == user.get());
 	}) | rpl::start_with_next([=](not_null<UserData*> user) {
-		_list->notifyIsBotChanged();
+		_list->refreshAboutView();
 		_list->updateBotInfo();
 		updateControlsVisibility();
 		updateControlsGeometry();
@@ -692,6 +692,17 @@ HistoryWidget::HistoryWidget(
 		scrollToCurrentVoiceMessage(pair.from.contextId(), pair.to);
 	}, lifetime());
 
+	session().user()->flagsValue(
+	) | rpl::start_with_next([=](UserData::Flags::Change change) {
+		if (change.diff & UserData::Flag::Premium) {
+			if (const auto user = _peer ? _peer->asUser() : nullptr) {
+				if (user->meRequiresPremiumToWrite()) {
+					handlePeerUpdate();
+				}
+			}
+		}
+	}, lifetime());
+
 	using PeerUpdateFlag = Data::PeerUpdate::Flag;
 	session().changes().peerUpdates(
 		PeerUpdateFlag::Rights
@@ -2728,18 +2739,6 @@ bool HistoryWidget::canWriteMessage() const {
 	return true;
 }
 
-std::optional<QString> HistoryWidget::writeRestriction() const {
-	const auto allWithoutPolls = Data::AllSendRestrictions()
-		& ~ChatRestriction::SendPolls;
-	auto result = (_peer && !Data::CanSendAnyOf(_peer, allWithoutPolls))
-		? Data::RestrictionError(_peer, ChatRestriction::SendOther)
-		: std::nullopt;
-	if (result) {
-		return result;
-	}
-	return std::nullopt;
-}
-
 void HistoryWidget::updateControlsVisibility() {
 	auto fieldDisabledRemoved = (_fieldDisabled != nullptr);
 	const auto guard = gsl::finally([&] {
@@ -2861,6 +2860,9 @@ void HistoryWidget::updateControlsVisibility() {
 		if (_inlineResults) {
 			_inlineResults->hide();
 		}
+		if (_sendRestriction) {
+			_sendRestriction->hide();
+		}
 		hideFieldIfVisible();
 	} else if (editingMessage() || _canSendMessages) {
 		checkFieldAutocomplete();
@@ -2918,6 +2920,9 @@ void HistoryWidget::updateControlsVisibility() {
 		if (_botMenuButton) {
 			_botMenuButton->show();
 		}
+		if (_sendRestriction) {
+			_sendRestriction->hide();
+		}
 		{
 			auto rightButtonsChanged = false;
 			if (_silent) {
@@ -3019,6 +3024,9 @@ void HistoryWidget::updateControlsVisibility() {
 		if (_inlineResults) {
 			_inlineResults->hide();
 		}
+		if (_sendRestriction) {
+			_sendRestriction->show();
+		}
 		_kbScroll->hide();
 		hideFieldIfVisible();
 	}
@@ -5131,6 +5139,9 @@ void HistoryWidget::moveFieldControls() {
 	_joinChannel->setGeometry(fullWidthButtonRect);
 	_muteUnmute->setGeometry(fullWidthButtonRect);
 	_reportMessages->setGeometry(fullWidthButtonRect);
+	if (_sendRestriction) {
+		_sendRestriction->setGeometry(fullWidthButtonRect);
+	}
 }
 
 void HistoryWidget::updateFieldSize() {
@@ -5163,7 +5174,7 @@ void HistoryWidget::updateFieldSize() {
 	}
 
 	if (_fieldDisabled) {
-		_fieldDisabled->resize(fieldWidth, fieldHeight());
+		_fieldDisabled->resize(width(), st::historySendSize.height());
 	}
 	if (_field->width() != fieldWidth) {
 		_field->resize(fieldWidth, _field->height());
@@ -5849,6 +5860,46 @@ int HistoryWidget::countAutomaticScrollTop() {
 	return ScrollMax;
 }
 
+QString HistoryWidget::computeSendRestriction() const {
+	if (const auto user = _peer ? _peer->asUser() : nullptr) {
+		if (user->meRequiresPremiumToWrite()
+			&& !user->session().premium()) {
+			return u"premium_required"_q;
+		}
+	}
+	const auto allWithoutPolls = Data::AllSendRestrictions()
+		& ~ChatRestriction::SendPolls;
+	const auto error = (_peer && !Data::CanSendAnyOf(_peer, allWithoutPolls))
+		? Data::RestrictionError(_peer, ChatRestriction::SendOther)
+		: std::nullopt;
+	return error ? (u"restriction:"_q + *error) : QString();
+}
+
+void HistoryWidget::updateSendRestriction() {
+	const auto restriction = computeSendRestriction();
+	if (_sendRestrictionKey == restriction) {
+		return;
+	}
+	_sendRestrictionKey = restriction;
+	if (restriction.isEmpty()) {
+		_sendRestriction = nullptr;
+	} else if (restriction == u"premium_required"_q) {
+		_sendRestriction = PremiumRequiredSendRestriction(
+			this,
+			_peer->asUser(),
+			controller());
+	} else if (restriction.startsWith(u"restriction:"_q)) {
+		const auto error = restriction.mid(12);
+		_sendRestriction = TextErrorSendRestriction(this, error);
+	} else {
+		Unexpected("Restriction type.");
+	}
+	if (_sendRestriction) {
+		_sendRestriction->show();
+		moveFieldControls();
+	}
+}
+
 void HistoryWidget::updateHistoryGeometry(
 		bool initial,
 		bool loadedDown,
@@ -5893,8 +5944,8 @@ void HistoryWidget::updateHistoryGeometry(
 	} else {
 		if (editingMessage() || _canSendMessages) {
 			newScrollHeight -= (fieldHeight() + 2 * st::historySendPadding);
-		} else if (writeRestriction().has_value()) {
-			newScrollHeight -= _unblock->height();
+		} else if (_sendRestriction) {
+			newScrollHeight -= _sendRestriction->height();
 		}
 		if (_editMsgId
 			|| replyTo()
@@ -7605,6 +7656,7 @@ void HistoryWidget::fullInfoUpdated() {
 
 void HistoryWidget::handlePeerUpdate() {
 	bool resize = false;
+	updateSendRestriction();
 	updateHistoryGeometry();
 	if (_peer->isChat() && _peer->asChat()->noParticipantInfo()) {
 		session().api().requestFullPeer(_peer);
@@ -8077,15 +8129,6 @@ void HistoryWidget::drawField(Painter &p, const QRect &rect) {
 	}
 }
 
-void HistoryWidget::drawRestrictedWrite(Painter &p, const QString &error) {
-	auto rect = myrtlrect(0, height() - _unblock->height(), width(), _unblock->height());
-	p.fillRect(rect, st::historyReplyBg);
-
-	p.setFont(st::normalFont);
-	p.setPen(st::windowSubTextFg);
-	p.drawText(rect.marginsRemoved(QMargins(st::historySendPadding, 0, st::historySendPadding, 0)), error, style::al_center);
-}
-
 void HistoryWidget::paintEditHeader(Painter &p, const QRect &rect, int left, int top) const {
 	if (!rect.intersects(myrtlrect(left, top, width() - left, st::normalFont->height))) {
 		return;
@@ -8165,12 +8208,6 @@ void HistoryWidget::paintEvent(QPaintEvent *e) {
 			|| _kbShown) {
 			drawField(p, clip);
 		}
-		const auto error = restrictionHidden
-			? std::nullopt
-			: writeRestriction();
-		if (error) {
-			drawRestrictedWrite(p, *error);
-		}
 	} else {
 		const auto w = st::msgServiceFont->width(tr::lng_willbe_history(tr::now))
 			+ st::msgPadding.left()

Telegram/SourceFiles/history/history_widget.h

@@ -474,7 +474,6 @@ private:
 	[[nodiscard]] MsgId resolveReplyToTopicRootId();
 	[[nodiscard]] Data::ForumTopic *resolveReplyToTopic();
 	[[nodiscard]] bool canWriteMessage() const;
-	std::optional<QString> writeRestriction() const;
 	void orderWidgets();
 
 	[[nodiscard]] InlineBotQuery parseInlineBotQuery() const;
@@ -503,11 +502,8 @@ private:
 	bool editingMessage() const {
 		return _editMsgId != 0;
 	}
-	bool jumpToDialogRow(const Dialogs::RowDescriptor &to);
 
 	void setupShortcuts();
-	bool showNextChat();
-	bool showPreviousChat();
 
 	void handlePeerMigration();
 
@@ -536,7 +532,6 @@ private:
 		const QRect &rect,
 		int left,
 		int top) const;
-	void drawRestrictedWrite(Painter &p, const QString &error);
 	bool paintShowAnimationFrame();
 
 	void updateMouseTracking();
@@ -559,6 +554,8 @@ private:
 	void addMessagesToFront(not_null<PeerData*> peer, const QVector<MTPMessage> &messages);
 	void addMessagesToBack(not_null<PeerData*> peer, const QVector<MTPMessage> &messages);
 
+	void updateSendRestriction();
+	[[nodiscard]] QString computeSendRestriction() const;
 	void updateHistoryGeometry(bool initial = false, bool loadedDown = false, const ScrollChange &change = { ScrollChangeNone, 0 });
 	void updateListSize();
 	void startItemRevealAnimations();
@@ -765,6 +762,8 @@ private:
 	bool _cmdStartShown = false;
 	object_ptr<Ui::InputField> _field;
 	base::unique_qptr<Ui::RpWidget> _fieldDisabled;
+	base::unique_qptr<Ui::RpWidget> _sendRestriction;
+	QString _sendRestrictionKey;
 	Ui::Animations::Simple _inPhotoEditOver;
 	bool _inDetails = false;
 	bool _inPhotoEdit = false;

Telegram/SourceFiles/history/view/history_view_about_view.cpp

@@ -0,0 +1,249 @@
+/*
+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/history_view_about_view.h"
+
+#include "core/click_handler_types.h"
+#include "data/data_user.h"
+#include "history/view/media/history_view_service_box.h"
+#include "history/view/media/history_view_sticker_player_abstract.h"
+#include "history/view/history_view_element.h"
+#include "history/history.h"
+#include "history/history_item.h"
+#include "history/history_item_helpers.h"
+#include "history/history_item_reply_markup.h"
+#include "lang/lang_keys.h"
+#include "main/main_session.h"
+#include "settings/settings_premium.h"
+#include "ui/chat/chat_style.h"
+#include "ui/text/text_utilities.h"
+#include "ui/text/text_options.h"
+#include "ui/painter.h"
+#include "window/window_session_controller.h"
+#include "styles/style_chat.h"
+
+namespace HistoryView {
+namespace {
+
+class PremiumRequiredBox final : public ServiceBoxContent {
+public:
+	explicit PremiumRequiredBox(not_null<Element*> parent);
+	~PremiumRequiredBox();
+
+	int width() override;
+	int top() override;
+	QSize size() override;
+	QString title() override;
+	TextWithEntities subtitle() override;
+	int buttonSkip() override;
+	rpl::producer<QString> button() override;
+	void draw(
+		Painter &p,
+		const PaintContext &context,
+		const QRect &geometry) override;
+	ClickHandlerPtr createViewLink() override;
+
+	bool hideServiceText() override {
+		return true;
+	}
+
+	void stickerClearLoopPlayed() override;
+	std::unique_ptr<StickerPlayer> stickerTakePlayer(
+		not_null<DocumentData*> data,
+		const Lottie::ColorReplacements *replacements) override;
+
+	bool hasHeavyPart() override;
+	void unloadHeavyPart() override;
+
+private:
+	const not_null<Element*> _parent;
+
+};
+
+PremiumRequiredBox::PremiumRequiredBox(not_null<Element*> parent)
+: _parent(parent) {
+}
+
+PremiumRequiredBox::~PremiumRequiredBox() = default;
+
+int PremiumRequiredBox::width() {
+	return st::premiumRequiredWidth;
+}
+
+int PremiumRequiredBox::top() {
+	return st::msgServiceGiftBoxButtonMargins.top();
+}
+
+QSize PremiumRequiredBox::size() {
+	return { st::msgServicePhotoWidth, st::msgServicePhotoWidth };
+}
+
+QString PremiumRequiredBox::title() {
+	return QString();
+}
+
+int PremiumRequiredBox::buttonSkip() {
+	return st::storyMentionButtonSkip;
+}
+
+rpl::producer<QString> PremiumRequiredBox::button() {
+	return tr::lng_send_non_premium_go();
+}
+
+TextWithEntities PremiumRequiredBox::subtitle() {
+	return _parent->data()->notificationText();
+}
+
+ClickHandlerPtr PremiumRequiredBox::createViewLink() {
+	const auto itemId = _parent->data()->fullId();
+	return std::make_shared<LambdaClickHandler>([=](ClickContext context) {
+		const auto my = context.other.value<ClickHandlerContext>();
+		if (const auto controller = my.sessionWindow.get()) {
+			Settings::ShowPremium(controller, u"require_premium"_q);
+		}
+	});
+}
+
+void PremiumRequiredBox::draw(
+		Painter &p,
+		const PaintContext &context,
+		const QRect &geometry) {
+	const auto padding = (geometry.width() - st::premiumRequiredCircle) / 2;
+	const auto size = geometry.width() - 2 * padding;
+	p.setBrush(context.st->msgServiceBg()); // ?
+	p.setPen(Qt::NoPen);
+	p.drawEllipse(geometry);
+	st::premiumRequiredIcon.paintInCenter(p, geometry);
+}
+
+void PremiumRequiredBox::stickerClearLoopPlayed() {
+}
+
+std::unique_ptr<StickerPlayer> PremiumRequiredBox::stickerTakePlayer(
+		not_null<DocumentData*> data,
+		const Lottie::ColorReplacements *replacements) {
+	return nullptr;
+}
+
+bool PremiumRequiredBox::hasHeavyPart() {
+	return false;
+}
+
+void PremiumRequiredBox::unloadHeavyPart() {
+}
+
+} // namespace
+
+AboutView::AboutView(
+	not_null<History*> history,
+	not_null<ElementDelegate*> delegate)
+: _history(history)
+, _delegate(delegate) {
+}
+
+not_null<History*> AboutView::history() const {
+	return _history;
+}
+
+Element *AboutView::view() const {
+	return _item.get();
+}
+
+HistoryItem *AboutView::item() const {
+	if (const auto element = view()) {
+		return element->data();
+	}
+	return nullptr;
+}
+
+bool AboutView::refresh() {
+	const auto bot = _history->peer->asUser();
+	const auto info = bot ? bot->botInfo.get() : nullptr;
+	if (!info) {
+		if (bot
+			&& bot->meRequiresPremiumToWrite()
+			&& !bot->session().premium()
+			&& _history->isEmpty()) {
+			if (_item) {
+				return false;
+			}
+			_item = makePremiumRequired();
+			return true;
+		}
+		if (_item) {
+			_item = {};
+			return true;
+		}
+		_version = 0;
+		return false;
+	}
+	const auto version = info->descriptionVersion;
+	if (_version == version) {
+		return false;
+	}
+	_version = version;
+	_item = makeAboutBot(info);
+	return true;
+}
+
+AdminLog::OwnedItem AboutView::makeAboutBot(not_null<BotInfo*> info) {
+	const auto flags = MessageFlag::FakeAboutView
+		| MessageFlag::FakeHistoryItem
+		| MessageFlag::Local;
+	const auto postAuthor = QString();
+	const auto date = TimeId(0);
+	const auto replyTo = FullReplyTo();
+	const auto viaBotId = UserId(0);
+	const auto groupedId = uint64(0);
+	const auto textWithEntities = TextUtilities::ParseEntities(
+		info->description,
+		Ui::ItemTextBotNoMonoOptions().flags);
+	const auto make = [&](auto &&a, auto &&b, auto &&...other) {
+		return _history->makeMessage(
+			_history->nextNonHistoryEntryId(),
+			flags,
+			replyTo,
+			viaBotId,
+			date,
+			_history->peer->id,
+			postAuthor,
+			std::forward<decltype(a)>(a),
+			std::forward<decltype(b)>(b),
+			HistoryMessageMarkupData(),
+			std::forward<decltype(other)>(other)...);
+	};
+	const auto item = info->document
+		? make(info->document, textWithEntities)
+		: info->photo
+		? make(info->photo, textWithEntities)
+		: make(textWithEntities, MTP_messageMediaEmpty(), groupedId);
+	return AdminLog::OwnedItem(_delegate, item);
+}
+
+AdminLog::OwnedItem AboutView::makePremiumRequired() {
+	const auto flags = MessageFlag::FakeAboutView
+		| MessageFlag::FakeHistoryItem
+		| MessageFlag::Local;
+	const auto date = TimeId(0);
+	const auto item = _history->makeMessage(
+		_history->nextNonHistoryEntryId(),
+		flags,
+		date,
+		PreparedServiceText{ tr::lng_send_non_premium_text(
+			tr::now,
+			lt_user,
+			Ui::Text::Bold(_history->peer->shortName()),
+			Ui::Text::RichLangValue) },
+		peerToUser(_history->peer->id));
+	auto result = AdminLog::OwnedItem(_delegate, item);
+	result->overrideMedia(std::make_unique<ServiceBox>(
+		result.get(),
+		std::make_unique<PremiumRequiredBox>(result.get())));
+	return result;
+}
+
+} // namespace HistoryView

Telegram/SourceFiles/history/view/history_view_about_view.h

@@ -0,0 +1,40 @@
+/*
+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 "history/admin_log/history_admin_log_item.h"
+
+namespace HistoryView {
+
+class AboutView final : public ClickHandlerHost {
+public:
+	AboutView(
+		not_null<History*> history,
+		not_null<ElementDelegate*> delegate);
+
+	[[nodiscard]] not_null<History*> history() const;
+	[[nodiscard]] Element *view() const;
+	[[nodiscard]] HistoryItem *item() const;
+
+	bool refresh();
+
+	int top = 0;
+	int height = 0;
+
+private:
+	[[nodiscard]] AdminLog::OwnedItem makeAboutBot(not_null<BotInfo*> info);
+	[[nodiscard]] AdminLog::OwnedItem makePremiumRequired();
+
+	const not_null<History*> _history;
+	const not_null<ElementDelegate*> _delegate;
+	AdminLog::OwnedItem _item;
+	int _version = 0;
+
+};
+
+} // namespace HistoryView

Telegram/SourceFiles/history/view/history_view_element.cpp

@@ -44,6 +44,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_forum_topic.h"
 #include "data/data_sponsored_messages.h"
 #include "data/data_message_reactions.h"
+#include "data/data_user.h"
 #include "lang/lang_keys.h"
 #include "styles/style_chat.h"
 
@@ -472,8 +473,11 @@ Element::Element(
 	if (_context == Context::History) {
 		history()->setHasPendingResizedItems();
 	}
-	if (data->isFakeBotAbout() && !data->history()->peer->isRepliesChat()) {
-		AddComponents(FakeBotAboutTop::Bit());
+	if (data->isFakeAboutView()) {
+		const auto user = data->history()->peer->asUser();
+		if (user && user->isBot() && !user->isRepliesChat()) {
+			AddComponents(FakeBotAboutTop::Bit());
+		}
 	}
 }
 

Telegram/SourceFiles/history/view/history_view_message.cpp

@@ -625,7 +625,7 @@ QSize Message::performCountOptimalSize() {
 	refreshInfoSkipBlock();
 
 	const auto media = this->media();
-	const auto botTop = item->isFakeBotAbout()
+	const auto botTop = item->isFakeAboutView()
 		? Get<FakeBotAboutTop>()
 		: nullptr;
 	if (botTop) {
@@ -3263,7 +3263,7 @@ bool Message::drawBubble() const {
 	const auto item = data();
 	if (isHidden()) {
 		return false;
-	} else if (logEntryOriginal() || item->isFakeBotAbout()) {
+	} else if (logEntryOriginal() || item->isFakeAboutView()) {
 		return true;
 	}
 	const auto media = this->media();
@@ -3760,7 +3760,7 @@ QRect Message::innerGeometry() const {
 
 QRect Message::countGeometry() const {
 	const auto item = data();
-	const auto centeredView = item->isFakeBotAbout()
+	const auto centeredView = item->isFakeAboutView()
 		|| (context() == Context::Replies && item->isDiscussionPost());
 	const auto media = this->media();
 	const auto mediaWidth = (media && media->isDisplayed())
@@ -3822,7 +3822,7 @@ Ui::BubbleRounding Message::countMessageRounding() const {
 	const auto skipTail = smallBottom
 		|| (media && media->skipBubbleTail())
 		|| (keyboard != nullptr)
-		|| item->isFakeBotAbout()
+		|| item->isFakeAboutView()
 		|| (context() == Context::Replies && item->isDiscussionPost());
 	const auto right = hasRightLayout();
 	using Corner = Ui::BubbleCornerRounding;
@@ -3870,7 +3870,7 @@ int Message::resizeContentGetHeight(int newWidth) {
 	}
 
 	const auto item = data();
-	const auto botTop = item->isFakeBotAbout()
+	const auto botTop = item->isFakeAboutView()
 		? Get<FakeBotAboutTop>()
 		: nullptr;
 	const auto media = this->media();
@@ -3878,7 +3878,7 @@ int Message::resizeContentGetHeight(int newWidth) {
 	const auto bubble = drawBubble();
 
 	// This code duplicates countGeometry() but also resizes media.
-	const auto centeredView = item->isFakeBotAbout()
+	const auto centeredView = item->isFakeAboutView()
 		|| (context() == Context::Replies && item->isDiscussionPost());
 	auto contentWidth = newWidth
 		- st::msgMargin.left()

Telegram/SourceFiles/history/view/media/history_view_gif.cpp

@@ -2045,7 +2045,7 @@ bool Gif::dataLoaded() const {
 }
 
 bool Gif::needInfoDisplay() const {
-	if (_parent->data()->isFakeBotAbout()) {
+	if (_parent->data()->isFakeAboutView()) {
 		return false;
 	}
 	return _parent->data()->isSending()

Telegram/SourceFiles/history/view/media/history_view_photo.cpp

@@ -902,7 +902,7 @@ bool Photo::dataLoaded() const {
 }
 
 bool Photo::needInfoDisplay() const {
-	if (_parent->data()->isFakeBotAbout()) {
+	if (_parent->data()->isFakeAboutView()) {
 		return false;
 	}
 	return _parent->data()->isSending()

Telegram/SourceFiles/history/view/media/history_view_service_box.cpp

@@ -20,6 +20,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 namespace HistoryView {
 
+int ServiceBoxContent::width() {
+	return st::msgServiceGiftBoxSize.width();
+}
+
 ServiceBox::ServiceBox(
 	not_null<Element*> parent,
 	std::unique_ptr<ServiceBoxContent> content)
@@ -27,7 +31,7 @@ ServiceBox::ServiceBox(
 , _parent(parent)
 , _content(std::move(content))
 , _button({ .link = _content->createViewLink() })
-, _maxWidth(st::msgServiceGiftBoxSize.width()
+, _maxWidth(_content->width()
 	- st::msgPadding.left()
 	- st::msgPadding.right())
 , _title(
@@ -48,7 +52,7 @@ ServiceBox::ServiceBox(
 	kMarkupTextOptions,
 	_maxWidth)
 , _size(
-	st::msgServiceGiftBoxSize.width(),
+	_content->width(),
 	(st::msgServiceGiftBoxTopSkip
 		+ _content->top()
 		+ _content->size().height()

Telegram/SourceFiles/history/view/media/history_view_service_box.h

@@ -19,6 +19,7 @@ class ServiceBoxContent {
 public:
 	virtual ~ServiceBoxContent() = default;
 
+	[[nodiscard]] virtual int width();
 	[[nodiscard]] virtual int top() = 0;
 	[[nodiscard]] virtual QSize size() = 0;
 	[[nodiscard]] virtual QString title() = 0;

Telegram/SourceFiles/ui/chat/chat.style

@@ -965,6 +965,9 @@ historySendDisabled: FlatLabel(defaultFlatLabel) {
 historySendDisabledIcon: icon {{ "emoji/premium_lock", placeholderFgActive }};
 historySendDisabledIconSkip: 20px;
 historySendDisabledPosition: point(0px, 0px);
+historySendPremiumRequired: FlatLabel(historySendDisabled) {
+	align: align(top);
+}
 
 backgroundSwitchToDark: IconButton(defaultIconButton) {
 	width: 48px;
@@ -1031,3 +1034,7 @@ chatSimilarName: TextStyle(defaultTextStyle) {
 }
 chatSimilarWidthMax: 424px;
 chatSimilarSkip: 12px;
+
+premiumRequiredWidth: 186px;
+premiumRequiredIcon: icon{{ "chat/large_lockedchat", msgServiceFg }};
+premiumRequiredCircle: 60px;