Proof-of-concept last seen hidden.

Telegram/Resources/langs/lang.strings

@@ -170,21 +170,21 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 "lng_remember" = "Remember this choice";
 
-"lng_lastseen_show_title" = "Show your last seen";
-"lng_lastseen_show_about" = "To see **{user}'s** Last Seen time, either start showing your own Last Seen time...";
-"lng_lastseen_show_button" = "Show my Last Seen";
+"lng_lastseen_show_title" = "Show Your Last Seen";
+"lng_lastseen_show_about" = "To see **{user}'s** Last Seen time, either start\nshowing your own Last Seen time...";
+"lng_lastseen_show_button" = "Show My Last Seen";
 "lng_lastseen_or" = "or";
 "lng_lastseen_premium_title" = "Upgrade to Premium";
-"lng_lastseen_premium_about" = "Subscription will let you see **{user}'s** Last Seen status without showing yours.";
+"lng_lastseen_premium_about" = "Subscription will let you see **{user}'s** Last Seen\nstatus without showing yours.";
 "lng_lastseen_premium_button" = "Subscribe to Telegram Premium";
 "lng_lastseen_shown_toast" = "Your last seen time is now visible.";
 
-"lng_readtime_show_title" = "Show your read date";
-"lng_readtime_show_about" = "To see when **{user}** read the message, either start showing your own read time...";
-"lng_readtime_show_button" = "Show my Read Time";
+"lng_readtime_show_title" = "Show Your Read Date";
+"lng_readtime_show_about" = "To see when **{user}** read the message,\neither start showing your own read time...";
+"lng_readtime_show_button" = "Show My Read Time";
 "lng_readtime_or" = "or";
 "lng_readtime_premium_title" = "Upgrade to Premium";
-"lng_readtime_premium_about" = "Subscription will let you see **{user}'s** read time without showing yours.";
+"lng_readtime_premium_about" = "Subscription will let you see **{user}'s** read time\nwithout showing yours.";
 "lng_readtime_premium_button" = "Subscribe to Telegram Premium";
 "lng_readtime_shown_toast" = "Your read times are now visible.";
 

Telegram/SourceFiles/boxes/premium_preview_box.cpp

@@ -55,6 +55,7 @@ constexpr auto kToggleStickerTimeout = 2 * crl::time(1000);
 constexpr auto kStarOpacityOff = 0.1;
 constexpr auto kStarOpacityOn = 1.;
 constexpr auto kStarPeriod = 3 * crl::time(1000);
+constexpr auto kShowOrLineOpacity = 0.3;
 
 using Data::ReactionId;
 
@@ -1315,6 +1316,200 @@ void PremiumUnavailableBox(not_null<Ui::GenericBox*> box) {
 	});
 }
 
+[[nodiscard]] object_ptr<Ui::RpWidget> MakeShowOrPremiumIcon(
+		not_null<Ui::RpWidget*> parent,
+		not_null<const style::icon*> icon) {
+	const auto margin = st::showOrIconMargin;
+	const auto padding = st::showOrIconPadding;
+	const auto inner = padding.top() + icon->height() + padding.bottom();
+	const auto full = margin.top() + inner + margin.bottom();
+	auto result = object_ptr<Ui::FixedHeightWidget>(parent, full);
+	const auto raw = result.data();
+
+	raw->resize(st::boxWideWidth, full);
+	raw->paintRequest(
+	) | rpl::start_with_next([=] {
+		auto p = QPainter(raw);
+		auto hq = PainterHighQualityEnabler(p);
+		const auto width = raw->width();
+		const auto position = QPoint((width - inner) / 2, margin.top());
+		const auto rect = QRect(position, QSize(inner, inner));
+		const auto shift = QPoint(padding.left(), padding.top());
+		p.setPen(Qt::NoPen);
+		p.setBrush(st::showOrIconBg);
+		p.drawEllipse(rect);
+		icon->paint(p, position + shift, width);
+	}, raw->lifetime());
+
+	return result;
+}
+
+[[nodiscard]] object_ptr<Ui::RpWidget> MakeShowOrLabel(
+		not_null<Ui::RpWidget*> parent,
+		rpl::producer<QString> text) {
+	auto result = object_ptr<Ui::FlatLabel>(
+		parent,
+		std::move(text),
+		st::showOrLabel);
+	const auto raw = result.data();
+
+	raw->paintRequest(
+	) | rpl::start_with_next([=] {
+		auto p = QPainter(raw);
+
+		const auto full = st::showOrLineWidth;
+		const auto left = (raw->width() - full) / 2;
+		const auto text = raw->textMaxWidth() + 2 * st::showOrLabelSkip;
+		const auto fill = (full - text) / 2;
+		const auto stroke = st::lineWidth;
+		const auto top = st::showOrLineTop;
+		p.setOpacity(kShowOrLineOpacity);
+		p.fillRect(left, top, fill, stroke, st::windowSubTextFg);
+		const auto start = left + full - fill;
+		p.fillRect(start, top, fill, stroke, st::windowSubTextFg);
+	}, raw->lifetime());
+
+	return result;
+}
+
+void ShowOrPremiumBox(
+		not_null<Ui::GenericBox*> box,
+		ShowOrPremium type,
+		QString shortName,
+		Fn<void()> justShow,
+		Fn<void()> toPremium) {
+	struct Skin {
+		rpl::producer<QString> showTitle;
+		rpl::producer<TextWithEntities> showAbout;
+		rpl::producer<QString> showButton;
+		rpl::producer<QString> orPremium;
+		rpl::producer<QString> premiumTitle;
+		rpl::producer<TextWithEntities> premiumAbout;
+		rpl::producer<QString> premiumButton;
+		QString toast;
+		const style::icon *icon = nullptr;
+	};
+	auto skin = (type == ShowOrPremium::LastSeen)
+		? Skin{
+			tr::lng_lastseen_show_title(),
+			tr::lng_lastseen_show_about(
+				lt_user,
+				rpl::single(TextWithEntities{ shortName }),
+				Ui::Text::RichLangValue),
+			tr::lng_lastseen_show_button(),
+			tr::lng_lastseen_or(),
+			tr::lng_lastseen_premium_title(),
+			tr::lng_lastseen_premium_about(
+				lt_user,
+				rpl::single(TextWithEntities{ shortName }),
+				Ui::Text::RichLangValue),
+			tr::lng_lastseen_premium_button(),
+			tr::lng_lastseen_shown_toast(tr::now),
+			&st::showOrIconLastSeen,
+		}
+		: (type == ShowOrPremium::ReadTime)
+		? Skin{
+			tr::lng_readtime_show_title(),
+			tr::lng_readtime_show_about(
+				lt_user,
+				rpl::single(TextWithEntities{ shortName }),
+				Ui::Text::RichLangValue),
+			tr::lng_readtime_show_button(),
+			tr::lng_readtime_or(),
+			tr::lng_readtime_premium_title(),
+			tr::lng_readtime_premium_about(
+				lt_user,
+				rpl::single(TextWithEntities{ shortName }),
+				Ui::Text::RichLangValue),
+			tr::lng_readtime_premium_button(),
+			tr::lng_readtime_shown_toast(tr::now),
+			&st::showOrIconReadTime,
+		}
+		: Skin();
+
+	box->setStyle(st::showOrBox);
+	box->setWidth(st::boxWideWidth);
+	box->addTopButton(st::boxTitleClose, [=] {
+		box->closeBox();
+	});
+
+	box->addRow(MakeShowOrPremiumIcon(box, skin.icon));
+	box->addRow(
+		object_ptr<Ui::FlatLabel>(
+			box,
+			std::move(skin.showTitle),
+			st::boostCenteredTitle),
+		st::showOrTitlePadding);
+	box->addRow(
+		object_ptr<Ui::FlatLabel>(
+			box,
+			std::move(skin.showAbout),
+			st::boostText),
+		st::showOrAboutPadding);
+	const auto show = box->addRow(
+		object_ptr<Ui::RoundButton>(
+			box,
+			std::move(skin.showButton),
+			st::showOrShowButton),
+		QMargins(
+			st::showOrBox.buttonPadding.left(),
+			0,
+			st::showOrBox.buttonPadding.right(),
+			0));
+	show->setTextTransform(Ui::RoundButton::TextTransform::NoTransform);
+	box->addRow(
+		MakeShowOrLabel(box, std::move(skin.orPremium)),
+		st::showOrLabelPadding);
+	box->addRow(
+		object_ptr<Ui::FlatLabel>(
+			box,
+			std::move(skin.premiumTitle),
+			st::boostCenteredTitle),
+		st::showOrTitlePadding);
+	box->addRow(
+		object_ptr<Ui::FlatLabel>(
+			box,
+			std::move(skin.premiumAbout),
+			st::boostText),
+		st::showOrPremiumAboutPadding);
+
+	const auto premium = Ui::CreateChild<Ui::GradientButton>(
+		box.get(),
+		Ui::Premium::ButtonGradientStops());
+
+	const auto &st = st::premiumPreviewBox.button;
+	premium->resize(st::showOrShowButton.width, st::showOrShowButton.height);
+
+	const auto label = Ui::CreateChild<Ui::FlatLabel>(
+		premium,
+		std::move(skin.premiumButton),
+		st::premiumPreviewButtonLabel);
+	label->setAttribute(Qt::WA_TransparentForMouseEvents);
+	rpl::combine(
+		premium->widthValue(),
+		label->widthValue()
+	) | rpl::start_with_next([=](int outer, int width) {
+		label->moveToLeft(
+			(outer - width) / 2,
+			st::premiumPreviewBox.button.textTop,
+			outer);
+	}, label->lifetime());
+
+	box->setShowFinishedCallback([=] {
+		premium->startGlareAnimation();
+	});
+
+	box->addButton(
+		object_ptr<Ui::AbstractButton>::fromRaw(premium));
+
+	show->setClickedCallback([box, justShow, toast = skin.toast] {
+		justShow();
+		box->uiShow()->showToast(toast);
+		box->closeBox();
+	});
+	premium->setClickedCallback(std::move(toPremium));
+}
+
 void DoubledLimitsPreviewBox(
 		not_null<Ui::GenericBox*> box,
 		not_null<Main::Session*> session) {

Telegram/SourceFiles/boxes/premium_preview_box.h

@@ -83,6 +83,17 @@ void ShowPremiumPreviewToBuy(
 
 void PremiumUnavailableBox(not_null<Ui::GenericBox*> box);
 
+enum class ShowOrPremium : uchar {
+	LastSeen,
+	ReadTime,
+};
+void ShowOrPremiumBox(
+	not_null<Ui::GenericBox*> box,
+	ShowOrPremium type,
+	QString shortName,
+	Fn<void()> justShow,
+	Fn<void()> toPremium);
+
 [[nodiscard]] object_ptr<Ui::GradientButton> CreateUnlockButton(
 	QWidget *parent,
 	rpl::producer<QString> text);

Telegram/SourceFiles/info/profile/info_profile_cover.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "info/profile/info_profile_cover.h"
 
+#include "api/api_user_privacy.h"
 #include "data/data_peer_values.h"
 #include "data/data_channel.h"
 #include "data/data_chat.h"
@@ -23,6 +24,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "info/profile/info_profile_emoji_status_panel.h"
 #include "info/info_controller.h"
 #include "boxes/peers/edit_forum_topic_box.h"
+#include "boxes/premium_preview_box.h"
 #include "history/view/media/history_view_sticker_player.h"
 #include "lang/lang_keys.h"
 #include "ui/controls/userpic_button.h"
@@ -373,23 +375,54 @@ void Cover::setupShowLastSeen() {
 		&& !user->isBot()
 		&& !user->isServiceUser()
 		&& user->session().premiumPossible()) {
+		if (user->session().premium()) {
+			if (user->onlineTill == kOnlineHidden) {
+				user->updateFullForced();
+			}
+			_showLastSeen->hide();
+			return;
+		}
+
 		rpl::combine(
 			user->session().changes().peerFlagsValue(
 				user,
 				Data::PeerUpdate::Flag::OnlineStatus),
 			Data::AmPremiumValue(&user->session())
-		) | rpl::start_with_next([=] {
-			_showLastSeen->setVisible(
-				(user->onlineTill == kOnlineHidden)
-				&& !user->session().premium()
-				&& user->session().premiumPossible());
+		) | rpl::start_with_next([=](auto, bool premium) {
+			const auto wasShown = !_showLastSeen->isHidden();
+			const auto onlineHidden = (user->onlineTill == kOnlineHidden);
+			const auto shown = onlineHidden
+				&& !premium
+				&& user->session().premiumPossible();
+			_showLastSeen->setVisible(shown);
+			if (wasShown && premium && onlineHidden) {
+				user->updateFullForced();
+			}
+		}, _showLastSeen->lifetime());
+
+		_controller->session().api().userPrivacy().value(
+			Api::UserPrivacy::Key::LastSeen
+		) | rpl::filter([=](Api::UserPrivacy::Rule rule) {
+			return (rule.option == Api::UserPrivacy::Option::Everyone);
+		}) | rpl::start_with_next([=] {
+			if (user->onlineTill == kOnlineHidden) {
+				user->updateFullForced();
+			}
 		}, _showLastSeen->lifetime());
 	} else {
 		_showLastSeen->hide();
 	}
 
 	_showLastSeen->setClickedCallback([=] {
-		::Settings::ShowPremium(_controller, u"lastseen_hidden"_q);
+		const auto type = ShowOrPremium::LastSeen;
+		auto box = Box(ShowOrPremiumBox, type, user->shortName(), [=] {
+			_controller->session().api().userPrivacy().save(
+				::Api::UserPrivacy::Key::LastSeen,
+				{});
+		}, [=] {
+			::Settings::ShowPremium(_controller, u"lastseen_hidden"_q);
+		});
+		_controller->show(std::move(box));
 	});
 }
 

Telegram/SourceFiles/settings/settings_privacy_controllers.cpp

@@ -710,21 +710,13 @@ object_ptr<Ui::RpWidget> LastSeenPrivacyController::setupBelowWidget(
 void LastSeenPrivacyController::confirmSave(
 		bool someAreDisallowed,
 		Fn<void()> saveCallback) {
-	const auto privacy = &_session->api().globalPrivacy();
-	const auto hideReadTime = _hideReadTime;
-	const auto save = [=, saveCallback = std::move(saveCallback)] {
-		if (privacy->hideReadTimeCurrent() != hideReadTime) {
-			privacy->updateHideReadTime(hideReadTime);
-		}
-		saveCallback();
-	};
 	if (someAreDisallowed && !Core::App().settings().lastSeenWarningSeen()) {
 		auto callback = [
 			=,
-			save = std::move(save)
+			saveCallback = std::move(saveCallback)
 		](Fn<void()> &&close) {
 			close();
-			save();
+			saveCallback();
 			Core::App().settings().setLastSeenWarningSeen(true);
 			Core::App().saveSettingsDelayed();
 		};
@@ -735,7 +727,14 @@ void LastSeenPrivacyController::confirmSave(
 		});
 		Ui::show(std::move(box), Ui::LayerOption::KeepOther);
 	} else {
-		save();
+		saveCallback();
+	}
+}
+
+void LastSeenPrivacyController::saveAdditional() {
+	const auto privacy = &_session->api().globalPrivacy();
+	if (privacy->hideReadTimeCurrent() != _hideReadTime) {
+		privacy->updateHideReadTime(_hideReadTime);
 	}
 }
 

Telegram/SourceFiles/settings/settings_privacy_controllers.h

@@ -117,6 +117,8 @@ public:
 		bool someAreDisallowed,
 		Fn<void()> saveCallback) override;
 
+	void saveAdditional() override;
+
 private:
 	const not_null<::Main::Session*> _session;
 	bool _hideReadTime = false;

Telegram/SourceFiles/ui/effects/premium.style

@@ -303,3 +303,29 @@ boostReplaceIconSkip: 3px;
 boostReplaceIconOutline: 2px;
 boostReplaceIconAdd: point(4px, 2px);
 boostReplaceArrow: icon{{ "mediaview/next", windowSubTextFg }};
+
+showOrIconLastSeen: icon{{ "settings/premium/large_lastseen", windowFgActive }};
+showOrIconReadTime: icon{{ "settings/premium/large_readtime", windowFgActive }};
+showOrIconBg: windowBgActive;
+showOrIconPadding: margins(12px, 12px, 12px, 12px);
+showOrIconMargin: margins(0px, 28px, 0px, 12px);
+showOrTitlePadding: margins(0px, 0px, 0px, 5px);
+showOrAboutPadding: margins(0px, 0px, 0px, 16px);
+showOrShowButton: RoundButton(defaultActiveButton) {
+	width: 308px;
+	height: 42px;
+	textTop: 12px;
+	font: font(13px semibold);
+}
+showOrLabel: FlatLabel(boostText) {
+	textFg: windowSubTextFg;
+}
+showOrLineWidth: 190px;
+showOrLabelSkip: 7px;
+showOrLineTop: 10px;
+showOrLabelPadding: margins(0px, 17px, 0px, 13px);
+showOrPremiumAboutPadding: margins(0px, 0px, 0px, 0px);
+showOrBox: Box(boostBox) {
+	buttonPadding: margins(28px, 16px, 28px, 27px);
+	button: showOrShowButton;
+}