Add animated emoji premium preview.

Telegram/Resources/langs/lang.strings

@@ -232,6 +232,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 "lng_sticker_premium_text" = "This pack contains premium stickers like this one.";
 "lng_sticker_premium_view" = "View";
+"lng_animated_emoji_text" = "Subscribe to **Telegram Premium** to unlock this emoji.";
 "lng_reaction_premium_info" = "Click on the reaction to preview the animation.";
 "lng_reaction_premium_no_group" = "Some reactions are restricted in this group.";
 "lng_reaction_premium_no_channel" = "Some reactions are restricted in this channel.";
@@ -1692,6 +1693,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_premium_more_about" = "More About Telegram Premium";
 "lng_premium_unlock_reactions" = "Unlock Premium Reactions";
 "lng_premium_unlock_stickers" = "Unlock Premium Stickers";
+"lng_premium_unlock_emoji" = "Unlock Animated Emoji";
 
 "lng_premium_summary_title" = "Telegram Premium";
 "lng_premium_summary_top_about" = "Go **beyond the limits**, get **exclusive features** and support us by subscribing to **Telegram Premium**.";
@@ -1710,6 +1712,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_premium_summary_about_unique_reactions" = "Additional animated reactions on messages available only to the Premium subscribers.";
 "lng_premium_summary_subtitle_premium_stickers" = "Premium Stickers";
 "lng_premium_summary_about_premium_stickers" = "Exclusive enlarged stickers featuring additional effects, updated monthly.";
+"lng_premium_summary_subtitle_animated_emoji" = "Animated Emoji";
+"lng_premium_summary_about_animated_emoji" = "Include animated emoji from different emoji sets in any message you send.";
 "lng_premium_summary_subtitle_advanced_chat_management" = "Advanced Chat Management";
 "lng_premium_summary_about_advanced_chat_management" = "Tools to set default folder, auto-archive and hide new chats from non-contacts.";
 "lng_premium_summary_subtitle_profile_badge" = "Profile Badge";
@@ -2143,6 +2147,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_context_delete_all_files" = "Delete all files";
 "lng_context_save_custom_sound" = "Save for notifications";
 
+"lng_context_animated_emoji" = "This message contains emoji from {name} pack.";
+"lng_context_animated_emoji_many" = "This message contains emoji from {name} packs.";
+
 "lng_downloads_section" = "Downloads";
 "lng_downloads_view_in_chat" = "View in chat";
 "lng_downloads_view_in_section" = "View in downloads";

Telegram/SourceFiles/boxes/premium_preview_box.cpp

@@ -122,6 +122,8 @@ void PreloadSticker(const std::shared_ptr<Data::DocumentMedia> &media) {
 		return tr::lng_premium_summary_subtitle_unique_reactions();
 	case PremiumPreview::Stickers:
 		return tr::lng_premium_summary_subtitle_premium_stickers();
+	case PremiumPreview::AnimatedEmoji:
+		return tr::lng_premium_summary_subtitle_animated_emoji();
 	case PremiumPreview::AdvancedChatManagement:
 		return tr::lng_premium_summary_subtitle_advanced_chat_management();
 	case PremiumPreview::ProfileBadge:
@@ -146,6 +148,8 @@ void PreloadSticker(const std::shared_ptr<Data::DocumentMedia> &media) {
 		return tr::lng_premium_summary_about_unique_reactions();
 	case PremiumPreview::Stickers:
 		return tr::lng_premium_summary_about_premium_stickers();
+	case PremiumPreview::AnimatedEmoji:
+		return tr::lng_premium_summary_about_animated_emoji();
 	case PremiumPreview::AdvancedChatManagement:
 		return tr::lng_premium_summary_about_advanced_chat_management();
 	case PremiumPreview::ProfileBadge:
@@ -443,7 +447,8 @@ struct VideoPreviewDocument {
 
 [[nodiscard]] bool VideoAlignToTop(PremiumPreview section) {
 	return (section == PremiumPreview::MoreUpload)
-		|| (section == PremiumPreview::NoAds);
+		|| (section == PremiumPreview::NoAds)
+		|| (section == PremiumPreview::AnimatedEmoji);
 }
 
 [[nodiscard]] DocumentData *LookupVideo(
@@ -455,6 +460,7 @@ struct VideoPreviewDocument {
 		case PremiumPreview::FasterDownload: return "faster_download";
 		case PremiumPreview::VoiceToText: return "voice_to_text";
 		case PremiumPreview::NoAds: return "no_ads";
+		case PremiumPreview::AnimatedEmoji: return "animated_emoji";
 		case PremiumPreview::AdvancedChatManagement:
 			return "advanced_chat_management";
 		case PremiumPreview::ProfileBadge: return "profile_badge";

Telegram/SourceFiles/boxes/premium_preview_box.h

@@ -36,6 +36,7 @@ enum class PremiumPreview {
 	NoAds,
 	Reactions,
 	Stickers,
+	AnimatedEmoji,
 	AdvancedChatManagement,
 	ProfileBadge,
 	AnimatedUserpics,

Telegram/SourceFiles/chat_helpers/chat_helpers.style

@@ -179,7 +179,7 @@ emojiSwitchColor: windowActiveTextFg;
 emojiSwitchStickers: icon {{ "emoji/emoji_switch", emojiSwitchColor }};
 emojiSwitchEmoji: icon {{ "emoji/emoji_switch-flip_horizontal", emojiSwitchColor }};
 
-emojiIconPadding: 8px;
+emojiIconPadding: 7px;
 emojiIconSelectSkip: 3px;
 
 hashtagClose: IconButton {

Telegram/SourceFiles/settings/settings_premium.cpp

@@ -143,6 +143,15 @@ using Order = std::vector<QString>;
 				PremiumPreview::Stickers,
 			},
 		},
+		{
+			u"animated_emoji"_q,
+			Entry{
+				&st::settingsIconEmoji,
+				tr::lng_premium_summary_subtitle_animated_emoji(),
+				tr::lng_premium_summary_about_animated_emoji(),
+				PremiumPreview::AnimatedEmoji,
+			},
+		},
 		{
 			u"advanced_chat_management"_q,
 			Entry{