Use available reactions list from the server.

Telegram/SourceFiles/data/data_channel.cpp

@@ -17,6 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_location.h"
 #include "data/data_histories.h"
 #include "data/data_group_call.h"
+#include "data/data_message_reactions.h"
 #include "main/main_session.h"
 #include "main/session/send_as_peers.h"
 #include "base/unixtime.h"
@@ -760,6 +761,14 @@ PeerId ChannelData::groupCallDefaultJoinAs() const {
 	return _callDefaultJoinAs;
 }
 
+void ChannelData::setAllowedReactions(std::vector<QString> list) {
+	_allowedReactions = std::move(list);
+}
+
+const std::vector<QString> &ChannelData::allowedReactions() const {
+	return _allowedReactions;
+}
+
 namespace Data {
 
 void ApplyMigration(
@@ -903,6 +912,8 @@ void ApplyChannelUpdate(
 		}
 	}
 	channel->setThemeEmoji(qs(update.vtheme_emoticon().value_or_empty()));
+	channel->setAllowedReactions(
+		Data::Reactions::ParseAllowed(update.vavailable_reactions()));
 	channel->fullUpdated();
 	channel->setPendingRequestsCount(
 		update.vrequests_pending().value_or_empty(),

Telegram/SourceFiles/data/data_channel.h

@@ -410,6 +410,9 @@ public:
 	void setGroupCallDefaultJoinAs(PeerId peerId);
 	[[nodiscard]] PeerId groupCallDefaultJoinAs() const;
 
+	void setAllowedReactions(std::vector<QString> list);
+	[[nodiscard]] const std::vector<QString> &allowedReactions() const;
+
 	// Still public data members.
 	uint64 access = 0;
 
@@ -457,6 +460,8 @@ private:
 	QString _inviteLink;
 	std::optional<ChannelData*> _linkedChat;
 
+	std::vector<QString> _allowedReactions;
+
 	std::unique_ptr<Data::GroupCall> _call;
 	PeerId _callDefaultJoinAs = 0;
 

Telegram/SourceFiles/data/data_chat.cpp

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_changes.h"
 #include "data/data_group_call.h"
+#include "data/data_message_reactions.h"
 #include "history/history.h"
 #include "main/main_session.h"
 #include "apiwrap.h"
@@ -286,6 +287,14 @@ void ChatData::setPendingRequestsCount(
 	}
 }
 
+void ChatData::setAllowedReactions(std::vector<QString> list) {
+	_allowedReactions = std::move(list);
+}
+
+const std::vector<QString> &ChatData::allowedReactions() const {
+	return _allowedReactions;
+}
+
 namespace Data {
 
 void ApplyChatUpdate(
@@ -457,6 +466,8 @@ void ApplyChatUpdate(not_null<ChatData*> chat, const MTPDchatFull &update) {
 	}
 	chat->checkFolder(update.vfolder_id().value_or_empty());
 	chat->setThemeEmoji(qs(update.vtheme_emoticon().value_or_empty()));
+	chat->setAllowedReactions(
+		Data::Reactions::ParseAllowed(update.vavailable_reactions()));
 	chat->fullUpdated();
 	chat->setAbout(qs(update.vabout()));
 	chat->setPendingRequestsCount(

Telegram/SourceFiles/data/data_chat.h

@@ -175,6 +175,9 @@ public:
 		int count,
 		std::vector<UserId> recentRequesters);
 
+	void setAllowedReactions(std::vector<QString> list);
+	[[nodiscard]] const std::vector<QString> &allowedReactions() const;
+
 	// Still public data members.
 	const MTPlong inputChat;
 
@@ -199,6 +202,8 @@ private:
 	int _pendingRequestsCount = 0;
 	std::vector<UserId> _recentRequesters;
 
+	std::vector<QString> _allowedReactions;
+
 	std::unique_ptr<Data::GroupCall> _call;
 	PeerId _callDefaultJoinAs = 0;
 	base::flat_map<UserId, std::vector<BotCommand>> _botCommands;

Telegram/SourceFiles/data/data_message_reactions.cpp

@@ -11,9 +11,119 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/history_item.h"
 #include "main/main_session.h"
 #include "data/data_session.h"
+#include "data/data_channel.h"
+#include "data/data_chat.h"
+#include "base/timer_rpl.h"
 #include "apiwrap.h"
 
 namespace Data {
+namespace {
+
+constexpr auto kRefreshEach = 60 * 60 * crl::time(1000);
+
+} // namespace
+
+Reactions::Reactions(not_null<Session*> owner) : _owner(owner) {
+	request();
+
+	base::timer_each(
+		kRefreshEach
+	) | rpl::start_with_next([=] {
+		request();
+	}, _lifetime);
+}
+
+const std::vector<Reaction> &Reactions::list() const {
+	return _available;
+}
+
+std::vector<Reaction> Reactions::list(not_null<PeerData*> peer) const {
+	if (const auto chat = peer->asChat()) {
+		return filtered(chat->allowedReactions());
+	} else if (const auto channel = peer->asChannel()) {
+		return filtered(channel->allowedReactions());
+	} else {
+		return list();
+	}
+}
+
+std::vector<Reaction> Reactions::Filtered(
+		const std::vector<Reaction> &reactions,
+		const std::vector<QString> &emoji) {
+	auto result = std::vector<Reaction>();
+	result.reserve(emoji.size());
+	for (const auto &single : emoji) {
+		const auto i = ranges::find(reactions, single, &Reaction::emoji);
+		if (i != end(reactions)) {
+			result.push_back(*i);
+		}
+	}
+	return result;
+}
+
+std::vector<Reaction> Reactions::filtered(
+		const std::vector<QString> &emoji) const {
+	return Filtered(list(), emoji);
+}
+
+std::vector<QString> Reactions::ParseAllowed(
+		const MTPVector<MTPstring> *list) {
+	if (!list) {
+		return {};
+	}
+	return list->v | ranges::view::transform([](const MTPstring &string) {
+		return qs(string);
+	}) | ranges::to_vector;
+}
+
+void Reactions::request() {
+	auto &api = _owner->session().api();
+	_requestId = api.request(MTPmessages_GetAvailableReactions(
+		MTP_int(_hash)
+	)).done([=](const MTPmessages_AvailableReactions &result) {
+		_requestId = 0;
+		result.match([&](const MTPDmessages_availableReactions &data) {
+			_hash = data.vhash().v;
+
+			const auto &list = data.vreactions().v;
+			_available.clear();
+			_available.reserve(data.vreactions().v.size());
+			for (const auto &reaction : list) {
+				if (const auto parsed = parse(reaction)) {
+					_available.push_back(*parsed);
+				}
+			}
+			_updated.fire({});
+		}, [&](const MTPDmessages_availableReactionsNotModified &) {
+		});
+	}).fail([=] {
+		_requestId = 0;
+		_hash = 0;
+	}).send();
+}
+
+std::optional<Reaction> Reactions::parse(const MTPAvailableReaction &entry) {
+	return entry.match([&](const MTPDavailableReaction &data) {
+		const auto emoji = qs(data.vreaction());
+		const auto known = (Ui::Emoji::Find(emoji) != nullptr);
+		if (!known) {
+			LOG(("API Error: Unknown emoji in reactions: %1").arg(emoji));
+		}
+		return known
+			? std::make_optional(Reaction{
+				.emoji = emoji,
+				.title = qs(data.vtitle()),
+				.staticIcon = _owner->processDocument(data.vstatic_icon()),
+				.selectAnimation = _owner->processDocument(
+					data.vselect_animation()),
+				.activateAnimation = _owner->processDocument(
+					data.vactivate_animation()),
+				.activateEffects = _owner->processDocument(
+					data.veffect_animation()),
+			})
+			: std::nullopt;
+	});
+}
 
 std::vector<QString> MessageReactions::SuggestList() {
 	constexpr auto utf = [](const char *utf) {

Telegram/SourceFiles/data/data_message_reactions.h

@@ -9,6 +9,53 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 namespace Data {
 
+class Session;
+
+struct Reaction {
+	QString emoji;
+	QString title;
+	not_null<DocumentData*> staticIcon;
+	not_null<DocumentData*> selectAnimation;
+	not_null<DocumentData*> activateAnimation;
+	not_null<DocumentData*> activateEffects;
+};
+
+class Reactions final {
+public:
+	explicit Reactions(not_null<Session*> owner);
+
+	[[nodiscard]] const std::vector<Reaction> &list() const;
+	[[nodiscard]] std::vector<Reaction> list(not_null<PeerData*> peer) const;
+
+	[[nodiscard]] static std::vector<Reaction> Filtered(
+		const std::vector<Reaction> &reactions,
+		const std::vector<QString> &emoji);
+	[[nodiscard]] std::vector<Reaction> filtered(
+		const std::vector<QString> &emoji) const;
+
+	[[nodiscard]] static std::vector<QString> ParseAllowed(
+		const MTPVector<MTPstring> *list);
+
+	[[nodiscard]] rpl::producer<> updates() const;
+
+private:
+	void request();
+
+	[[nodiscard]] std::optional<Reaction> parse(
+		const MTPAvailableReaction &entry);
+
+	const not_null<Session*> _owner;
+
+	std::vector<Reaction> _available;
+	rpl::event_stream<> _updated;
+
+	mtpRequestId _requestId = 0;
+	int32 _hash = 0;
+
+	rpl::lifetime _lifetime;
+
+};
+
 class MessageReactions final {
 public:
 	static std::vector<QString> SuggestList();

Telegram/SourceFiles/data/data_session.cpp

@@ -54,6 +54,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_scheduled_messages.h"
 #include "data/data_send_action.h"
 #include "data/data_sponsored_messages.h"
+#include "data/data_message_reactions.h"
 #include "data/data_cloud_themes.h"
 #include "data/data_streaming.h"
 #include "data/data_media_rotation.h"
@@ -241,7 +242,8 @@ Session::Session(not_null<Main::Session*> session)
 , _mediaRotation(std::make_unique<MediaRotation>())
 , _histories(std::make_unique<Histories>(this))
 , _stickers(std::make_unique<Stickers>(this))
-, _sponsoredMessages(std::make_unique<SponsoredMessages>(this)) {
+, _sponsoredMessages(std::make_unique<SponsoredMessages>(this))
+, _reactions(std::make_unique<Reactions>(this)) {
 	_cache->open(_session->local().cacheKey());
 	_bigFileCache->open(_session->local().cacheBigFileKey());
 

Telegram/SourceFiles/data/data_session.h

@@ -52,6 +52,7 @@ class WallPaper;
 class ScheduledMessages;
 class SendActionManager;
 class SponsoredMessages;
+class Reactions;
 class ChatFilters;
 class CloudThemes;
 class Streaming;
@@ -113,6 +114,10 @@ public:
 	[[nodiscard]] SponsoredMessages &sponsoredMessages() const {
 		return *_sponsoredMessages;
 	}
+	[[nodiscard]] Reactions &reactions() const {
+		return *_reactions;
+	}
+
 	[[nodiscard]] MsgId nextNonHistoryEntryId() {
 		return ++_nonHistoryEntryId;
 	}
@@ -962,15 +967,17 @@ private:
 	uint64 _wallpapersHash = 0;
 
 	Groups _groups;
-	std::unique_ptr<ChatFilters> _chatsFilters;
+	const std::unique_ptr<ChatFilters> _chatsFilters;
 	std::unique_ptr<ScheduledMessages> _scheduledMessages;
-	std::unique_ptr<CloudThemes> _cloudThemes;
+	const std::unique_ptr<CloudThemes> _cloudThemes;
-	std::unique_ptr<SendActionManager> _sendActionManager;
+	const std::unique_ptr<SendActionManager> _sendActionManager;
-	std::unique_ptr<Streaming> _streaming;
+	const std::unique_ptr<Streaming> _streaming;
-	std::unique_ptr<MediaRotation> _mediaRotation;
+	const std::unique_ptr<MediaRotation> _mediaRotation;
-	std::unique_ptr<Histories> _histories;
+	const std::unique_ptr<Histories> _histories;
-	std::unique_ptr<Stickers> _stickers;
+	const std::unique_ptr<Stickers> _stickers;
 	std::unique_ptr<SponsoredMessages> _sponsoredMessages;
+	const std::unique_ptr<Reactions> _reactions;
+
 	MsgId _nonHistoryEntryId = ServerMaxMsgId;
 
 	rpl::lifetime _lifetime;

Telegram/SourceFiles/history/history_inner_widget.cpp

@@ -1698,9 +1698,10 @@ void HistoryInner::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 			auto reactionMenu = std::make_unique<Ui::PopupMenu>(
 				this,
 				st::reactionMenu);
-			for (const auto &text : Data::MessageReactions::SuggestList()) {
+			auto &reactions = item->history()->owner().reactions();
-				reactionMenu->addAction(text, [=] {
+			for (const auto &entry : reactions.list(item->history()->peer)) {
-					item->addReaction(text);
+				reactionMenu->addAction(entry.emoji, [=] {
+					item->addReaction(entry.emoji);
 				});
 			}
 			_menu->addAction("Reaction", std::move(reactionMenu));
@@ -3789,7 +3790,7 @@ not_null<HistoryView::ElementDelegate*> HistoryInner::ElementDelegate() {
 				Instance->elementShowReactions(view);
 			}
 		}
-		
+
 	};
 
 	static Result result;

Telegram/SourceFiles/history/history_item.cpp

@@ -745,7 +745,7 @@ bool HistoryItem::suggestDeleteAllReport() const {
 }
 
 bool HistoryItem::canReact() const {
-	return IsServerMsgId(id) && !out() && !_history->peer->isSelf();
+	return isRegular();
 }
 
 void HistoryItem::addReaction(const QString &reaction) {

Telegram/SourceFiles/history/view/history_view_bottom_info.cpp

@@ -213,11 +213,6 @@ int BottomInfo::resizeToWidth(int newWidth) {
 }
 
 void BottomInfo::layout() {
-	//const auto good = ::Data::MessageReactions::SuggestList();
-	//for (const auto &item : good) {
-	//	_data.reactions.emplace(item, rand_value<uint8>() + 1);
-	//}
-
 	layoutDateText();
 	layoutViewsText();
 	layoutRepliesText();