Add message effects promo section.

Telegram/Resources/langs/lang.strings

@@ -2195,6 +2195,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_premium_summary_about_translation" = "Real-time translation of channels and chats into other languages.";
 "lng_premium_summary_subtitle_business" = "Telegram Business";
 "lng_premium_summary_about_business" = "Upgrade your account with business features such as location, opening hours and quick replies.";
+"lng_premium_summary_subtitle_effects" = "Message Effects";
+"lng_premium_summary_about_effects" = "Add over 500 animated effects to private messages.";
 "lng_premium_summary_bottom_subtitle" = "About Telegram Premium";
 "lng_premium_summary_bottom_about" = "While the free version of Telegram already gives its users more than any other messaging application, **Telegram Premium** pushes its capabilities even further.\n\n**Telegram Premium** is a paid option, because most Premium Features require additional expenses from Telegram to third parties such as data center providers and server manufacturers. Contributions from **Telegram Premium** users allow us to cover such costs and also help Telegram stay free for everyone.";
 "lng_premium_summary_button" = "Subscribe for {cost} per month";

Telegram/SourceFiles/boxes/premium_preview_box.cpp

@@ -131,6 +131,8 @@ void PreloadSticker(const std::shared_ptr<Data::DocumentMedia> &media) {
 		return tr::lng_premium_summary_subtitle_translation();
 	case PremiumFeature::Business:
 		return tr::lng_premium_summary_subtitle_business();
+	case PremiumFeature::Effects:
+		return tr::lng_premium_summary_subtitle_effects();
 
 	case PremiumFeature::BusinessLocation:
 		return tr::lng_business_subtitle_location();
@@ -192,6 +194,8 @@ void PreloadSticker(const std::shared_ptr<Data::DocumentMedia> &media) {
 		return tr::lng_premium_summary_about_translation();
 	case PremiumFeature::Business:
 		return tr::lng_premium_summary_about_business();
+	case PremiumFeature::Effects:
+		return tr::lng_premium_summary_about_effects();
 
 	case PremiumFeature::BusinessLocation:
 		return tr::lng_business_about_location();
@@ -529,6 +533,7 @@ struct VideoPreviewDocument {
 		case PremiumFeature::Wallpapers: return "wallpapers";
 		case PremiumFeature::LastSeen: return "last_seen";
 		case PremiumFeature::MessagePrivacy: return "message_privacy";
+		case PremiumFeature::Effects: return "effects";
 
 		case PremiumFeature::BusinessLocation: return "business_location";
 		case PremiumFeature::BusinessHours: return "business_hours";

Telegram/SourceFiles/boxes/premium_preview_box.h

@@ -70,6 +70,7 @@ enum class PremiumFeature {
 	LastSeen,
 	MessagePrivacy,
 	Business,
+	Effects,
 
 	// Business features.
 	BusinessLocation,

Telegram/SourceFiles/settings/settings.style

@@ -95,6 +95,7 @@ settingsPremiumIconTags: icon {{ "settings/premium/tags", settingsIconFg }};
 settingsPremiumIconLastSeen: icon {{ "settings/premium/lastseen", settingsIconFg }};
 settingsPremiumIconPrivacy: icon {{ "settings/premium/privacy", settingsIconFg }};
 settingsPremiumIconBusiness: icon {{ "settings/premium/market", settingsIconFg }};
+settingsPremiumIconEffects: icon {{ "settings/premium/effects", settingsIconFg }};
 
 settingsStoriesIconOrder: icon {{ "settings/premium/stories_order", premiumButtonBg1 }};
 settingsStoriesIconStealth: icon {{ "menu/stealth", premiumButtonBg1 }};

Telegram/SourceFiles/settings/settings_premium.cpp

@@ -197,6 +197,7 @@ using Order = std::vector<QString>;
 		u"animated_userpics"_q,
 		u"premium_stickers"_q,
 		u"business"_q,
+		u"effects"_q,
 	};
 }
 
@@ -377,6 +378,16 @@ using Order = std::vector<QString>;
 				true,
 			},
 		},
+		{
+			u"effects"_q,
+			Entry{
+				&st::settingsPremiumIconEffects,
+				tr::lng_premium_summary_subtitle_effects(),
+				tr::lng_premium_summary_about_effects(),
+				PremiumFeature::Effects,
+				true,
+			},
+		},
 	};
 }
 
@@ -1601,6 +1612,8 @@ std::vector<PremiumFeature> PremiumFeaturesOrder(
 			return PremiumFeature::RealTimeTranslation;
 		} else if (s == u"wallpapers"_q) {
 			return PremiumFeature::Wallpapers;
+		} else if (s == u"effects"_q) {
+			return PremiumFeature::Effects;
 		}
 		return PremiumFeature::kCount;
 	}) | ranges::views::filter([](PremiumFeature type) {