refactor: load Twitch emotes from Helix (#5239)

.clang-tidy

@@ -42,7 +42,7 @@ CheckOptions:
   - key: readability-identifier-naming.FunctionCase
     value: camelBack
   - key: readability-identifier-naming.FunctionIgnoredRegexp
-    value: ^TEST$
+    value: ^(TEST|MOCK_METHOD)$
 
   - key: readability-identifier-naming.MemberCase
     value: camelBack

.github/workflows/clang-tidy.yml

@@ -45,7 +45,7 @@ jobs:
           build_dir: build-clang-tidy
           config_file: ".clang-tidy"
           split_workflow: true
-          exclude: "lib/*,tools/crash-handler/*"
+          exclude: "lib/*,tools/crash-handler/*,mocks/*"
           cmake_command: >-
             ./.CI/setup-clang-tidy.sh
           apt_packages: >-

CHANGELOG.md

@@ -42,6 +42,7 @@
 - Bugfix: Fixed splits staying paused after unfocusing Chatterino in certain configurations. (#5504)
 - Bugfix: Links with invalid characters in the domain are no longer detected. (#5509)
 - Bugfix: Fixed janky selection for messages with RTL segments (selection is still wrong, but consistently wrong). (#5525)
+- Bugfix: Fixed event emotes not showing up in autocomplete and popups. (#5239)
 - Bugfix: Fixed tab visibility being controllable in the emote popup. (#5530)
 - Bugfix: Fixed account switch not being saved if no other settings were changed. (#5558)
 - Bugfix: Fixed some tooltips not being readable. (#5578)

mocks/include/mocks/EmptyApplication.hpp

@@ -257,6 +257,13 @@ public:
         return nullptr;
     }
 
+    ITwitchUsers *getTwitchUsers() override
+    {
+        assert(false && "EmptyApplication::getTwitchUsers was called without "
+                        "being initialized");
+        return nullptr;
+    }
+
     QTemporaryDir settingsDir;
     Paths paths_;
     Args args_;

mocks/include/mocks/Helix.hpp

@@ -410,6 +410,23 @@ public:
          (FailureCallback<HelixSendMessageError, QString> failureCallback)),
         (override));
 
+    // get user emotes
+    MOCK_METHOD(
+        void, getUserEmotes,
+        (QString userID, QString broadcasterID,
+         (ResultCallback<std::vector<HelixChannelEmote>, HelixPaginationState>
+              successCallback),
+         FailureCallback<QString> failureCallback, CancellationToken &&token),
+        (override));
+
+    // get followed channel
+    MOCK_METHOD(
+        void, getFollowedChannel,
+        (QString userID, QString broadcasterID,
+         ResultCallback<std::optional<HelixFollowedChannel>> successCallback,
+         FailureCallback<QString> failureCallback),
+        (override));
+
     MOCK_METHOD(void, update, (QString clientId, QString oauthToken),
                 (override));
 

src/Application.cpp

@@ -42,6 +42,7 @@
 #include "providers/twitch/PubSubMessages.hpp"
 #include "providers/twitch/TwitchChannel.hpp"
 #include "providers/twitch/TwitchIrcServer.hpp"
+#include "providers/twitch/TwitchUsers.hpp"
 #include "singletons/CrashHandler.hpp"
 #include "singletons/Emotes.hpp"
 #include "singletons/Fonts.hpp"
@@ -176,6 +177,7 @@ Application::Application(Settings &_settings, const Paths &paths,
     , logging(new Logging(_settings))
     , linkResolver(new LinkResolver)
     , streamerMode(new StreamerMode)
+    , twitchUsers(new TwitchUsers)
 #ifdef CHATTERINO_HAVE_PLUGINS
     , plugins(new PluginController(paths))
 #endif
@@ -515,6 +517,14 @@ IStreamerMode *Application::getStreamerMode()
     return this->streamerMode.get();
 }
 
+ITwitchUsers *Application::getTwitchUsers()
+{
+    assertInGuiThread();
+    assert(this->twitchUsers);
+
+    return this->twitchUsers.get();
+}
+
 BttvEmotes *Application::getBttvEmotes()
 {
     assertInGuiThread();

src/Application.hpp

@@ -53,6 +53,7 @@ class SeventvEmotes;
 class SeventvEventAPI;
 class ILinkResolver;
 class IStreamerMode;
+class ITwitchUsers;
 
 class IApplication
 {
@@ -103,6 +104,7 @@ public:
     virtual SeventvEventAPI *getSeventvEventAPI() = 0;
     virtual ILinkResolver *getLinkResolver() = 0;
     virtual IStreamerMode *getStreamerMode() = 0;
+    virtual ITwitchUsers *getTwitchUsers() = 0;
 };
 
 class Application : public IApplication
@@ -166,6 +168,7 @@ private:
     const std::unique_ptr<Logging> logging;
     std::unique_ptr<ILinkResolver> linkResolver;
     std::unique_ptr<IStreamerMode> streamerMode;
+    std::unique_ptr<ITwitchUsers> twitchUsers;
 #ifdef CHATTERINO_HAVE_PLUGINS
     std::unique_ptr<PluginController> plugins;
 #endif
@@ -215,6 +218,7 @@ public:
 
     ILinkResolver *getLinkResolver() override;
     IStreamerMode *getStreamerMode() override;
+    ITwitchUsers *getTwitchUsers() override;
 
 private:
     void initBttvLiveUpdates();

src/CMakeLists.txt

@@ -404,6 +404,8 @@ set(SOURCE_FILES
         providers/twitch/TwitchIrcServer.hpp
         providers/twitch/TwitchUser.cpp
         providers/twitch/TwitchUser.hpp
+        providers/twitch/TwitchUsers.cpp
+        providers/twitch/TwitchUsers.hpp
 
         providers/twitch/pubsubmessages/AutoMod.cpp
         providers/twitch/pubsubmessages/AutoMod.hpp
@@ -471,6 +473,7 @@ set(SOURCE_FILES
         util/DebugCount.hpp
         util/DisplayBadge.cpp
         util/DisplayBadge.hpp
+        util/Expected.hpp
         util/FormatTime.cpp
         util/FormatTime.hpp
         util/FunctionEventFilter.cpp

src/PrecompiledHeader.hpp

@@ -6,6 +6,7 @@
 #    include <IrcCommand>
 #    include <IrcConnection>
 #    include <IrcMessage>
+#    include <nonstd/expected.hpp>
 #    include <pajlada/serialize.hpp>
 #    include <pajlada/settings/setting.hpp>
 #    include <pajlada/settings/settinglistener.hpp>

src/common/Aliases.hpp

@@ -1,38 +1,50 @@
 #pragma once
 
+#include <boost/container_hash/hash_fwd.hpp>
 #include <QHash>
 #include <QString>
 
 #include <functional>
 
-#define QStringAlias(name)                                 \
+// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-    namespace chatterino {                                 \
+#define QStringAlias(name)                                      \
-    struct name {                                          \
+    namespace chatterino {                                      \
-        QString string;                                    \
+    struct name {                                               \
-        bool operator==(const name &other) const           \
+        QString string;                                         \
-        {                                                  \
+        bool operator==(const name &other) const                \
-            return this->string == other.string;           \
+        {                                                       \
-        }                                                  \
+            return this->string == other.string;                \
-        bool operator!=(const name &other) const           \
+        }                                                       \
-        {                                                  \
+        bool operator!=(const name &other) const                \
-            return this->string != other.string;           \
+        {                                                       \
-        }                                                  \
+            return this->string != other.string;                \
-    };                                                     \
+        }                                                       \
-    } /* namespace chatterino */                           \
+    };                                                          \
-    namespace std {                                        \
+    } /* namespace chatterino */                                \
-    template <>                                            \
+    namespace std {                                             \
-    struct hash<chatterino::name> {                        \
+    template <>                                                 \
-        size_t operator()(const chatterino::name &s) const \
+    struct hash<chatterino::name> {                             \
-        {                                                  \
+        size_t operator()(const chatterino::name &s) const      \
-            return qHash(s.string);                        \
+        {                                                       \
-        }                                                  \
+            return qHash(s.string);                             \
-    };                                                     \
+        }                                                       \
-    } /* namespace std */
+    };                                                          \
+    } /* namespace std */                                       \
+    namespace boost {                                           \
+    template <>                                                 \
+    struct hash<chatterino::name> {                             \
+        std::size_t operator()(chatterino::name const &s) const \
+        {                                                       \
+            return qHash(s.string);                             \
+        }                                                       \
+    };                                                          \
+    } /* namespace boost */
 
 QStringAlias(UserName);
 QStringAlias(UserId);
 QStringAlias(Url);
 QStringAlias(Tooltip);
 QStringAlias(EmoteId);
+QStringAlias(EmoteSetId);
 QStringAlias(EmoteName);
 QStringAlias(EmoteAuthor);

src/controllers/commands/builtin/twitch/SendWhisper.cpp

@@ -113,8 +113,8 @@ bool appendWhisperMessageWordsLocally(const QStringList &words)
     for (int i = 2; i < words.length(); i++)
     {
         {  // Twitch emote
-            auto it = accemotes.emotes.find({words[i]});
+            auto it = accemotes->find({words[i]});
-            if (it != accemotes.emotes.end())
+            if (it != accemotes->end())
             {
                 b.emplace<EmoteElement>(it->second,
                                         MessageElementFlag::TwitchEmote);

src/controllers/completion/sources/EmoteSource.cpp

@@ -95,26 +95,16 @@ void EmoteSource::initializeFromChannel(const Channel *channel)
     // returns true also for special Twitch channels (/live, /mentions, /whispers, etc.)
     if (channel->isTwitchChannel())
     {
-        if (auto user = app->getAccounts()->twitch.getCurrent())
-        {
-            // Twitch Emotes available globally
-            auto emoteData = user->accessEmotes();
-            addEmotes(emotes, emoteData->emotes, "Twitch Emote");
-
-            // Twitch Emotes available locally
-            auto localEmoteData = user->accessLocalEmotes();
-            if ((tc != nullptr) &&
-                localEmoteData->find(tc->roomId()) != localEmoteData->end())
-            {
-                if (const auto *localEmotes = &localEmoteData->at(tc->roomId()))
-                {
-                    addEmotes(emotes, *localEmotes, "Local Twitch Emotes");
-                }
-            }
-        }
-
         if (tc)
         {
+            if (auto twitch = tc->localTwitchEmotes())
+            {
+                addEmotes(emotes, *twitch, "Local Twitch Emotes");
+            }
+
+            auto user = getApp()->getAccounts()->twitch.getCurrent();
+            addEmotes(emotes, **user->accessEmotes(), "Twitch Emote");
+
             // TODO extract "Channel {BetterTTV,7TV,FrankerFaceZ}" text into a #define.
             if (auto bttv = tc->bttvEmotes())
             {

src/controllers/ignores/IgnorePhrase.cpp

@@ -99,7 +99,7 @@ bool IgnorePhrase::containsEmote() const
         for (const auto &acc : accvec)
         {
             const auto &accemotes = *acc->accessEmotes();
-            for (const auto &emote : accemotes.emotes)
+            for (const auto &emote : *accemotes)
             {
                 if (this->replace_.contains(emote.first.string,
                                             Qt::CaseSensitive))

src/providers/IvrApi.cpp

@@ -31,28 +31,6 @@ void IvrApi::getSubage(QString userName, QString channelName,
         .execute();
 }
 
-void IvrApi::getBulkEmoteSets(QString emoteSetList,
-                              ResultCallback<QJsonArray> successCallback,
-                              IvrFailureCallback failureCallback)
-{
-    QUrlQuery urlQuery;
-    urlQuery.addQueryItem("set_id", emoteSetList);
-
-    this->makeRequest("twitch/emotes/sets", urlQuery)
-        .onSuccess([successCallback, failureCallback](auto result) {
-            auto root = result.parseJsonArray();
-
-            successCallback(root);
-        })
-        .onError([failureCallback](auto result) {
-            qCWarning(chatterinoIvr)
-                << "Failed IVR API Call!" << result.formatError()
-                << QString(result.getData());
-            failureCallback();
-        })
-        .execute();
-}
-
 NetworkRequest IvrApi::makeRequest(QString url, QUrlQuery urlQuery)
 {
     assert(!url.startsWith("/"));

src/providers/IvrApi.hpp

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "common/network/NetworkRequest.hpp"
-#include "providers/twitch/TwitchEmotes.hpp"
 
 #include <QJsonArray>
 #include <QJsonObject>
@@ -32,45 +31,6 @@ struct IvrSubage {
     }
 };
 
-struct IvrEmoteSet {
-    const QString setId;
-    const QString displayName;
-    const QString login;
-    const QString channelId;
-    const QString tier;
-    const QJsonArray emotes;
-
-    IvrEmoteSet(const QJsonObject &root)
-        : setId(root.value("setID").toString())
-        , displayName(root.value("channelName").toString())
-        , login(root.value("channelLogin").toString())
-        , channelId(root.value("channelID").toString())
-        , tier(root.value("tier").toString())
-        , emotes(root.value("emoteList").toArray())
-
-    {
-    }
-};
-
-struct IvrEmote {
-    const QString code;
-    const QString id;
-    const QString setId;
-    const QString url;
-    const QString emoteType;
-    const QString imageType;
-
-    explicit IvrEmote(const QJsonObject &root)
-        : code(root.value("code").toString())
-        , id(root.value("id").toString())
-        , setId(root.value("setID").toString())
-        , url(TWITCH_EMOTE_TEMPLATE.arg(this->id, u"3.0"))
-        , emoteType(root.value("type").toString())
-        , imageType(root.value("assetType").toString())
-    {
-    }
-};
-
 class IvrApi final
 {
 public:
@@ -79,11 +39,6 @@ public:
                    ResultCallback<IvrSubage> resultCallback,
                    IvrFailureCallback failureCallback);
 
-    // https://api.ivr.fi/v2/docs/static/index.html#/Twitch/get_twitch_emotes_sets
-    void getBulkEmoteSets(QString emoteSetList,
-                          ResultCallback<QJsonArray> successCallback,
-                          IvrFailureCallback failureCallback);
-
     static void initialize();
 
     IvrApi() = default;

src/providers/twitch/IrcMessageHandler.cpp

@@ -870,17 +870,6 @@ void IrcMessageHandler::handleClearMessageMessage(Communi::IrcMessage *message)
 
 void IrcMessageHandler::handleUserStateMessage(Communi::IrcMessage *message)
 {
-    auto currentUser = getApp()->getAccounts()->twitch.getCurrent();
-
-    // set received emote-sets, used in TwitchAccount::loadUserstateEmotes
-    bool emoteSetsChanged = currentUser->setUserstateEmoteSets(
-        message->tag("emote-sets").toString().split(","));
-
-    if (emoteSetsChanged)
-    {
-        currentUser->loadUserstateEmotes();
-    }
-
     QString channelName;
     if (!trimChannelName(message->parameter(0), channelName))
     {
@@ -918,24 +907,6 @@ void IrcMessageHandler::handleUserStateMessage(Communi::IrcMessage *message)
     }
 }
 
-// This will emit only once and right after user logs in to IRC - reset emote data and reload emotes
-void IrcMessageHandler::handleGlobalUserStateMessage(
-    Communi::IrcMessage *message)
-{
-    auto currentUser = getApp()->getAccounts()->twitch.getCurrent();
-
-    // set received emote-sets, this time used to initially load emotes
-    // NOTE: this should always return true unless we reconnect
-    auto emoteSetsChanged = currentUser->setUserstateEmoteSets(
-        message->tag("emote-sets").toString().split(","));
-
-    // We should always attempt to reload emotes even on reconnections where
-    // emoteSetsChanged, since we want to trigger emote reloads when
-    // "currentUserChanged" signal is emitted
-    qCDebug(chatterinoTwitch) << emoteSetsChanged << message->toData();
-    currentUser->loadEmotes();
-}
-
 void IrcMessageHandler::handleWhisperMessage(Communi::IrcMessage *ircMessage)
 {
     MessageParseArgs args;

src/providers/twitch/IrcMessageHandler.hpp

@@ -44,7 +44,6 @@ public:
     void handleClearChatMessage(Communi::IrcMessage *message);
     void handleClearMessageMessage(Communi::IrcMessage *message);
     void handleUserStateMessage(Communi::IrcMessage *message);
-    void handleGlobalUserStateMessage(Communi::IrcMessage *message);
     void handleWhisperMessage(Communi::IrcMessage *ircMessage);
 
     void handleUserNoticeMessage(Communi::IrcMessage *message,

src/providers/twitch/TwitchAccount.cpp

@@ -3,26 +3,33 @@
 #include "Application.hpp"
 #include "common/Channel.hpp"
 #include "common/Env.hpp"
+#include "common/Literals.hpp"
 #include "common/network/NetworkResult.hpp"
 #include "common/QLogging.hpp"
 #include "controllers/accounts/AccountController.hpp"
 #include "debug/AssertInGuiThread.hpp"
+#include "messages/Emote.hpp"
 #include "messages/Message.hpp"
 #include "messages/MessageBuilder.hpp"
 #include "providers/IvrApi.hpp"
 #include "providers/seventv/SeventvAPI.hpp"
 #include "providers/twitch/api/Helix.hpp"
 #include "providers/twitch/TwitchCommon.hpp"
+#include "providers/twitch/TwitchUsers.hpp"
 #include "singletons/Emotes.hpp"
 #include "util/CancellationToken.hpp"
 #include "util/Helpers.hpp"
 #include "util/QStringHash.hpp"
 #include "util/RapidjsonHelpers.hpp"
 
+#include <boost/unordered/unordered_flat_map.hpp>
+#include <QStringBuilder>
 #include <QThread>
 
 namespace chatterino {
 
+using namespace literals;
+
 TwitchAccount::TwitchAccount(const QString &username, const QString &oauthToken,
                              const QString &oauthClient, const QString &userID)
     : Account(ProviderId::Twitch)
@@ -31,9 +38,13 @@ TwitchAccount::TwitchAccount(const QString &username, const QString &oauthToken,
     , userName_(username)
     , userId_(userID)
     , isAnon_(username == ANONYMOUS_USERNAME)
+    , emoteSets_(std::make_shared<TwitchEmoteSetMap>())
+    , emotes_(std::make_shared<EmoteMap>())
 {
 }
 
+TwitchAccount::~TwitchAccount() = default;
+
 QString TwitchAccount::toString() const
 {
     return this->getUserName();
@@ -175,214 +186,6 @@ const std::unordered_set<QString> &TwitchAccount::blockedUserIds() const
     return this->ignoresUserIds_;
 }
 
-void TwitchAccount::loadEmotes(std::weak_ptr<Channel> weakChannel)
-{
-    qCDebug(chatterinoTwitch)
-        << "Loading Twitch emotes for user" << this->getUserName();
-
-    if (this->getOAuthClient().isEmpty() || this->getOAuthToken().isEmpty())
-    {
-        qCDebug(chatterinoTwitch)
-            << "Aborted loadEmotes due to missing Client ID and/or OAuth token";
-        return;
-    }
-
-    {
-        auto emoteData = this->emotes_.access();
-        emoteData->emoteSets.clear();
-        emoteData->emotes.clear();
-        qCDebug(chatterinoTwitch) << "Cleared emotes!";
-    }
-
-    this->loadUserstateEmotes(weakChannel);
-}
-
-bool TwitchAccount::setUserstateEmoteSets(QStringList newEmoteSets)
-{
-    newEmoteSets.sort();
-
-    if (this->userstateEmoteSets_ == newEmoteSets)
-    {
-        // Nothing has changed
-        return false;
-    }
-
-    this->userstateEmoteSets_ = newEmoteSets;
-
-    return true;
-}
-
-void TwitchAccount::loadUserstateEmotes(std::weak_ptr<Channel> weakChannel)
-{
-    if (this->userstateEmoteSets_.isEmpty())
-    {
-        return;
-    }
-
-    QStringList newEmoteSetKeys, existingEmoteSetKeys;
-
-    auto emoteData = this->emotes_.access();
-    auto userEmoteSets = emoteData->emoteSets;
-
-    // get list of already fetched emote sets
-    for (const auto &userEmoteSet : userEmoteSets)
-    {
-        existingEmoteSetKeys.push_back(userEmoteSet->key);
-    }
-
-    // filter out emote sets from userstate message, which are not in fetched emote set list
-    for (const auto &emoteSetKey : this->userstateEmoteSets_)
-    {
-        if (!existingEmoteSetKeys.contains(emoteSetKey))
-        {
-            newEmoteSetKeys.push_back(emoteSetKey);
-        }
-    }
-
-    // return if there are no new emote sets
-    if (newEmoteSetKeys.isEmpty())
-    {
-        return;
-    }
-
-    // requesting emotes
-    auto batches = splitListIntoBatches(newEmoteSetKeys);
-    for (int i = 0; i < batches.size(); i++)
-    {
-        qCDebug(chatterinoTwitch)
-            << QString(
-                   "Loading %1 emotesets from IVR; batch %2/%3 (%4 sets): %5")
-                   .arg(newEmoteSetKeys.size())
-                   .arg(i + 1)
-                   .arg(batches.size())
-                   .arg(batches.at(i).size())
-                   .arg(batches.at(i).join(","));
-        getIvr()->getBulkEmoteSets(
-            batches.at(i).join(","),
-            [this, weakChannel](QJsonArray emoteSetArray) {
-                auto emoteData = this->emotes_.access();
-                auto localEmoteData = this->localEmotes_.access();
-
-                std::unordered_set<QString> subscriberChannelIDs;
-                std::vector<IvrEmoteSet> ivrEmoteSets;
-                ivrEmoteSets.reserve(emoteSetArray.size());
-
-                for (auto emoteSet : emoteSetArray)
-                {
-                    IvrEmoteSet ivrEmoteSet(emoteSet.toObject());
-                    if (!ivrEmoteSet.tier.isNull())
-                    {
-                        subscriberChannelIDs.insert(ivrEmoteSet.channelId);
-                    }
-                    ivrEmoteSets.emplace_back(ivrEmoteSet);
-                }
-
-                for (const auto &emoteSet : emoteData->emoteSets)
-                {
-                    if (emoteSet->subscriber)
-                    {
-                        subscriberChannelIDs.insert(emoteSet->channelID);
-                    }
-                }
-
-                for (const auto &ivrEmoteSet : ivrEmoteSets)
-                {
-                    auto emoteSet = std::make_shared<EmoteSet>();
-
-                    QString setKey = ivrEmoteSet.setId;
-                    emoteSet->key = setKey;
-
-                    // check if the emoteset is already in emoteData
-                    auto isAlreadyFetched =
-                        std::find_if(emoteData->emoteSets.begin(),
-                                     emoteData->emoteSets.end(),
-                                     [setKey](std::shared_ptr<EmoteSet> set) {
-                                         return (set->key == setKey);
-                                     });
-                    if (isAlreadyFetched != emoteData->emoteSets.end())
-                    {
-                        continue;
-                    }
-
-                    emoteSet->channelID = ivrEmoteSet.channelId;
-                    emoteSet->channelName = ivrEmoteSet.login;
-                    emoteSet->text = ivrEmoteSet.displayName;
-                    emoteSet->subscriber = !ivrEmoteSet.tier.isNull();
-
-                    // NOTE: If a user does not have a subscriber emote set, but a follower emote set, this logic will be wrong
-                    // However, that's not a realistic problem.
-                    bool haveSubscriberSetForChannel =
-                        subscriberChannelIDs.contains(ivrEmoteSet.channelId);
-
-                    for (const auto &emoteObj : ivrEmoteSet.emotes)
-                    {
-                        IvrEmote ivrEmote(emoteObj.toObject());
-
-                        auto id = EmoteId{ivrEmote.id};
-                        auto code = EmoteName{
-                            TwitchEmotes::cleanUpEmoteCode(ivrEmote.code)};
-
-                        emoteSet->emotes.push_back(TwitchEmote{id, code});
-
-                        auto emote = getApp()
-                                         ->getEmotes()
-                                         ->getTwitchEmotes()
-                                         ->getOrCreateEmote(id, code);
-
-                        // Follower emotes can be only used in their origin channel
-                        // unless the user is subscribed, then they can be used anywhere.
-                        if (ivrEmote.emoteType == "FOLLOWER" &&
-                            !haveSubscriberSetForChannel)
-                        {
-                            emoteSet->local = true;
-
-                            // EmoteMap for target channel wasn't initialized yet, doing it now
-                            if (localEmoteData->find(ivrEmoteSet.channelId) ==
-                                localEmoteData->end())
-                            {
-                                localEmoteData->emplace(ivrEmoteSet.channelId,
-                                                        EmoteMap());
-                            }
-
-                            localEmoteData->at(ivrEmoteSet.channelId)
-                                .emplace(code, emote);
-                        }
-                        else
-                        {
-                            emoteData->emotes.emplace(code, emote);
-                        }
-                    }
-                    std::sort(emoteSet->emotes.begin(), emoteSet->emotes.end(),
-                              [](const TwitchEmote &l, const TwitchEmote &r) {
-                                  return l.name.string < r.name.string;
-                              });
-                    emoteData->emoteSets.emplace_back(emoteSet);
-                }
-
-                if (auto channel = weakChannel.lock(); channel != nullptr)
-                {
-                    channel->addSystemMessage(
-                        "Twitch subscriber emotes reloaded.");
-                }
-            },
-            [] {
-                // fetching emotes failed, ivr API might be down
-            });
-    };
-}
-
-SharedAccessGuard<const TwitchAccount::TwitchAccountEmoteData>
-    TwitchAccount::accessEmotes() const
-{
-    return this->emotes_.accessConst();
-}
-
-SharedAccessGuard<const std::unordered_map<QString, EmoteMap>>
-    TwitchAccount::accessLocalEmotes() const
-{
-    return this->localEmotes_.accessConst();
-}
-
 // AutoModActions
 void TwitchAccount::autoModAllow(const QString msgID, ChannelPtr channel)
 {
@@ -515,4 +318,140 @@ void TwitchAccount::loadSeventvUserID()
         });
 }
 
+bool TwitchAccount::hasEmoteSet(const EmoteSetId &id) const
+{
+    auto emotes = this->emoteSets_.accessConst();
+    return emotes->get()->contains(id);
+}
+
+SharedAccessGuard<std::shared_ptr<const TwitchEmoteSetMap>>
+    TwitchAccount::accessEmoteSets() const
+{
+    return this->emoteSets_.accessConst();
+}
+
+SharedAccessGuard<std::shared_ptr<const EmoteMap>> TwitchAccount::accessEmotes()
+    const
+{
+    return this->emotes_.accessConst();
+}
+
+std::optional<EmotePtr> TwitchAccount::twitchEmote(const EmoteName &name) const
+{
+    auto emotes = this->emotes_.accessConst();
+    auto it = (*emotes)->find(name);
+    if (it != (*emotes)->end())
+    {
+        return it->second;
+    }
+    return std::nullopt;
+}
+
+void TwitchAccount::reloadEmotes(void *caller)
+{
+    if (this->isAnon() || getApp()->isTest())
+    {
+        return;
+    }
+
+    CancellationToken token(false);
+    this->emoteToken_ = token;
+
+    auto sets = std::make_shared<TwitchEmoteSetMap>();
+    auto emoteMap = std::make_shared<EmoteMap>();
+    auto nCalls = std::make_shared<size_t>();
+
+    auto *twitchEmotes = getApp()->getEmotes()->getTwitchEmotes();
+    auto *twitchUsers = getApp()->getTwitchUsers();
+
+    auto addEmote = [sets, emoteMap, twitchEmotes,
+                     twitchUsers](const HelixChannelEmote &emote) {
+        EmoteId id{emote.id};
+        EmoteName name{emote.name};
+        auto meta = getTwitchEmoteSetMeta(emote);
+
+        auto emotePtr = twitchEmotes->getOrCreateEmote(id, name);
+        if (!emoteMap->try_emplace(name, emotePtr).second)
+        {
+            // if the emote already exists, we don't want to add it to a set as
+            // those are assumed to be disjoint
+            return;
+        }
+
+        auto set = sets->find(EmoteSetId{meta.setID});
+        if (set == sets->end())
+        {
+            auto owner = [&]() {
+                if (meta.isSubLike)
+                {
+                    return twitchUsers->resolveID({emote.ownerID});
+                }
+
+                return std::make_shared<TwitchUser>(TwitchUser{
+                    .id = u"[x-c2-global-owner]"_s,
+                    .name = {},
+                    .displayName = {},
+                });
+            }();
+            set = sets->emplace(EmoteSetId{meta.setID},
+                                TwitchEmoteSet{
+                                    .owner = owner,
+                                    .emotes = {},
+                                    .isBits = meta.isBits,
+                                    .isSubLike = meta.isSubLike,
+                                })
+                      .first;
+        }
+        set->second.emotes.emplace_back(std::move(emotePtr));
+    };
+
+    auto userID = this->getUserId();
+    qDebug(chatterinoTwitch).nospace()
+        << "Loading Twitch emotes - userID: " << userID
+        << ", broadcasterID: none, manualRefresh: " << (caller != nullptr);
+
+    getHelix()->getUserEmotes(
+        this->getUserId(), {},
+        [this, caller, emoteMap, sets, addEmote, nCalls](
+            const auto &emotes, const auto &state) mutable {
+            assert(emoteMap && sets);
+            (*nCalls)++;
+            qDebug(chatterinoTwitch).nospace()
+                << "Got " << emotes.size() << " more emote(s)";
+
+            emoteMap->reserve(emoteMap->size() + emotes.size());
+            for (const auto &emote : emotes)
+            {
+                addEmote(emote);
+            }
+
+            if (state.done)
+            {
+                qDebug(chatterinoTwitch).nospace()
+                    << "Loaded " << emoteMap->size() << " Twitch emotes ("
+                    << *nCalls << " requests)";
+
+                for (auto &[id, set] : *sets)
+                {
+                    std::ranges::sort(
+                        set.emotes, [](const auto &l, const auto &r) {
+                            return l->name.string < r->name.string;
+                        });
+                }
+
+                *this->emotes_.access() = std::move(emoteMap);
+                *this->emoteSets_.access() = std::move(sets);
+                getApp()->getAccounts()->twitch.emotesReloaded.invoke(caller,
+                                                                      {});
+            }
+        },
+        [caller](const auto &error) {
+            qDebug(chatterinoTwitch)
+                << "Failed to load Twitch emotes:" << error;
+            getApp()->getAccounts()->twitch.emotesReloaded.invoke(
+                caller, makeUnexpected(error));
+        },
+        std::move(token));
+}
+
 }  // namespace chatterino

src/providers/twitch/TwitchAccount.hpp

@@ -1,14 +1,16 @@
 #pragma once
 
-#include "common/Aliases.hpp"
 #include "common/Atomic.hpp"
 #include "common/UniqueAccess.hpp"
 #include "controllers/accounts/Account.hpp"
 #include "messages/Emote.hpp"
+#include "providers/twitch/TwitchEmotes.hpp"
 #include "providers/twitch/TwitchUser.hpp"
 #include "util/CancellationToken.hpp"
 #include "util/QStringHash.hpp"
 
+#include <boost/unordered/unordered_flat_map_fwd.hpp>
+#include <pajlada/signals.hpp>
 #include <QColor>
 #include <QElapsedTimer>
 #include <QObject>
@@ -18,7 +20,6 @@
 #include <functional>
 #include <mutex>
 #include <unordered_set>
-#include <vector>
 
 namespace chatterino {
 
@@ -28,31 +29,13 @@ using ChannelPtr = std::shared_ptr<Channel>;
 class TwitchAccount : public Account
 {
 public:
-    struct TwitchEmote {
-        EmoteId id;
-        EmoteName name;
-    };
-
-    struct EmoteSet {
-        QString key;
-        QString channelName;
-        QString channelID;
-        QString text;
-        bool subscriber{false};
-        bool local{false};
-        std::vector<TwitchEmote> emotes;
-    };
-
-    struct TwitchAccountEmoteData {
-        std::vector<std::shared_ptr<EmoteSet>> emoteSets;
-
-        // this EmoteMap should contain all emotes available globally
-        // excluding locally available emotes, such as follower ones
-        EmoteMap emotes;
-    };
-
     TwitchAccount(const QString &username, const QString &oauthToken_,
                   const QString &oauthClient_, const QString &_userID);
+    ~TwitchAccount() override;
+    TwitchAccount(const TwitchAccount &) = delete;
+    TwitchAccount(TwitchAccount &&) = delete;
+    TwitchAccount &operator=(const TwitchAccount &) = delete;
+    TwitchAccount &operator=(TwitchAccount &&) = delete;
 
     QString toString() const override;
 
@@ -91,23 +74,32 @@ public:
     [[nodiscard]] const std::unordered_set<TwitchUser> &blocks() const;
     [[nodiscard]] const std::unordered_set<QString> &blockedUserIds() const;
 
-    void loadEmotes(std::weak_ptr<Channel> weakChannel = {});
-    // loadUserstateEmotes loads emote sets that are part of the USERSTATE emote-sets key
-    // this function makes sure not to load emote sets that have already been loaded
-    void loadUserstateEmotes(std::weak_ptr<Channel> weakChannel = {});
-    // setUserStateEmoteSets sets the emote sets that were parsed from the USERSTATE emote-sets key
-    // Returns true if the newly inserted emote sets differ from the ones previously saved
-    [[nodiscard]] bool setUserstateEmoteSets(QStringList newEmoteSets);
-    SharedAccessGuard<const TwitchAccountEmoteData> accessEmotes() const;
-    SharedAccessGuard<const std::unordered_map<QString, EmoteMap>>
-        accessLocalEmotes() const;
-
     // Automod actions
     void autoModAllow(const QString msgID, ChannelPtr channel);
     void autoModDeny(const QString msgID, ChannelPtr channel);
 
     void loadSeventvUserID();
 
+    /// Returns true if the account has access to the given emote set
+    bool hasEmoteSet(const EmoteSetId &id) const;
+
+    /// Return a map of emote sets the account has access to
+    ///
+    /// Key being the emote set ID, and contents being information about the emote set
+    /// and the emotes contained in the emote set
+    SharedAccessGuard<std::shared_ptr<const TwitchEmoteSetMap>>
+        accessEmoteSets() const;
+
+    /// Return a map of emotes the account has access to
+    SharedAccessGuard<std::shared_ptr<const EmoteMap>> accessEmotes() const;
+
+    /// Return the emote by emote name if the account has access to the emote
+    std::optional<EmotePtr> twitchEmote(const EmoteName &name) const;
+
+    /// Once emotes are reloaded, TwitchAccountManager::emotesReloaded is
+    /// invoked with @a caller and an optional error.
+    void reloadEmotes(void *caller = nullptr);
+
 private:
     QString oauthClient_;
     QString oauthToken_;
@@ -122,9 +114,9 @@ private:
     std::unordered_set<TwitchUser> ignores_;
     std::unordered_set<QString> ignoresUserIds_;
 
-    //    std::map<UserId, TwitchAccountEmoteData> emotes;
+    ScopedCancellationToken emoteToken_;
-    UniqueAccess<TwitchAccountEmoteData> emotes_;
+    UniqueAccess<std::shared_ptr<const TwitchEmoteSetMap>> emoteSets_;
-    UniqueAccess<std::unordered_map<QString, EmoteMap>> localEmotes_;
+    UniqueAccess<std::shared_ptr<const EmoteMap>> emotes_;
 
     QString seventvUserID_;
 };

src/providers/twitch/TwitchAccountManager.cpp

@@ -162,6 +162,7 @@ void TwitchAccountManager::load()
         }
 
         this->currentUserChanged();
+        this->currentUser_->reloadEmotes();
     });
 }
 

src/providers/twitch/TwitchAccountManager.hpp

@@ -2,6 +2,7 @@
 
 #include "common/ChatterinoSetting.hpp"
 #include "common/SignalVector.hpp"
+#include "util/Expected.hpp"
 #include "util/QStringHash.hpp"
 #include "util/RapidJsonSerializeQString.hpp"
 
@@ -58,6 +59,10 @@ public:
 
     SignalVector<std::shared_ptr<TwitchAccount>> accounts;
 
+    /// The signal is invoked with (caller, error) where caller is the argument
+    /// passed to reloadEmotes() and error.
+    pajlada::Signals::Signal<void *, ExpectedStr<void>> emotesReloaded;
+
 private:
     enum class AddUserResponse {
         UserAlreadyExists,

src/providers/twitch/TwitchChannel.cpp

@@ -2,6 +2,8 @@
 
 #include "Application.hpp"
 #include "common/Common.hpp"
+#include "common/Env.hpp"
+#include "common/Literals.hpp"
 #include "common/network/NetworkRequest.hpp"
 #include "common/network/NetworkResult.hpp"
 #include "common/QLogging.hpp"
@@ -32,6 +34,7 @@
 #include "providers/twitch/TwitchAccount.hpp"
 #include "providers/twitch/TwitchCommon.hpp"
 #include "providers/twitch/TwitchIrcServer.hpp"
+#include "providers/twitch/TwitchUsers.hpp"
 #include "singletons/Emotes.hpp"
 #include "singletons/Settings.hpp"
 #include "singletons/StreamerMode.hpp"
@@ -47,11 +50,15 @@
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QJsonValue>
+#include <QStringBuilder>
 #include <QThread>
 #include <QTimer>
 #include <rapidjson/document.h>
 
 namespace chatterino {
+
+using namespace literals;
+
 namespace {
 #if QT_VERSION < QT_VERSION_CHECK(6, 1, 0)
     const QString MAGIC_MESSAGE_SUFFIX = QString((const char *)u8" \U000E0000");
@@ -84,6 +91,7 @@ TwitchChannel::TwitchChannel(const QString &name)
     , subscriptionUrl_("https://www.twitch.tv/subs/" + name)
     , channelUrl_("https://twitch.tv/" + name)
     , popoutPlayerUrl_(TWITCH_PLAYER_URL.arg(name))
+    , localTwitchEmotes_(std::make_shared<EmoteMap>())
     , bttvEmotes_(std::make_shared<EmoteMap>())
     , ffzEmotes_(std::make_shared<EmoteMap>())
     , seventvEmotes_(std::make_shared<EmoteMap>())
@@ -94,6 +102,7 @@ TwitchChannel::TwitchChannel(const QString &name)
         getApp()->getAccounts()->twitch.currentUserChanged.connect([this] {
             this->setMod(false);
             this->refreshPubSub();
+            this->refreshTwitchChannelEmotes(false);
         }));
 
     this->refreshPubSub();
@@ -133,6 +142,36 @@ TwitchChannel::TwitchChannel(const QString &name)
     });
     this->threadClearTimer_.start(5 * 60 * 1000);
 
+    this->signalHolder_.managedConnect(
+        getApp()->getAccounts()->twitch.emotesReloaded,
+        [this](auto *caller, const auto &result) {
+            if (result)
+            {
+                // emotes were reloaded - clear follower emotes if the user is
+                // now subscribed to the streamer
+                if (!this->localTwitchEmotes_.get()->empty() &&
+                    getApp()->getAccounts()->twitch.getCurrent()->hasEmoteSet(
+                        EmoteSetId{this->localTwitchEmoteSetID_.get()}))
+                {
+                    this->localTwitchEmotes_.set(std::make_shared<EmoteMap>());
+                }
+
+                if (caller == this)
+                {
+                    this->addSystemMessage(
+                        "Twitch subscriber emotes reloaded.");
+                }
+                return;
+            }
+
+            if (caller == this || caller == nullptr)
+            {
+                this->addSystemMessage(
+                    u"Failed to load Twitch subscriber emotes: " %
+                    result.error());
+            }
+        });
+
     // debugging
 #if 0
     for (int i = 0; i < 1000; i++) {
@@ -194,6 +233,82 @@ void TwitchChannel::setLocalizedName(const QString &name)
     this->nameOptions.localizedName = name;
 }
 
+void TwitchChannel::refreshTwitchChannelEmotes(bool manualRefresh)
+{
+    if (getApp()->isTest())
+    {
+        return;
+    }
+
+    // Twitch's 'Get User Emotes' doesn't assigns a different set-ID to follower
+    // emotes compared to subscriber emotes.
+    QString setID = TWITCH_SUB_EMOTE_SET_PREFIX % this->roomId();
+    this->localTwitchEmoteSetID_.set(setID);
+    if (getApp()->getAccounts()->twitch.getCurrent()->hasEmoteSet(
+            EmoteSetId{setID}))
+    {
+        this->localTwitchEmotes_.set(std::make_shared<EmoteMap>());
+        return;
+    }
+
+    auto makeEmotes = [](const auto &emotes) {
+        EmoteMap map;
+        for (const auto &emote : emotes)
+        {
+            if (emote.type != u"follower")
+            {
+                continue;
+            }
+            map.emplace(
+                EmoteName{emote.name},
+                getApp()->getEmotes()->getTwitchEmotes()->getOrCreateEmote(
+                    EmoteId{emote.id}, EmoteName{emote.name}));
+        }
+        return map;
+    };
+
+    getHelix()->getFollowedChannel(
+        getApp()->getAccounts()->twitch.getCurrent()->getUserId(),
+        this->roomId(),
+        [weak{this->weak_from_this()}, makeEmotes](const auto &chan) {
+            auto self = std::dynamic_pointer_cast<TwitchChannel>(weak.lock());
+            if (!self || !chan)
+            {
+                return;
+            }
+            getHelix()->getChannelEmotes(
+                self->roomId(),
+                [weak, makeEmotes](const auto &emotes) {
+                    auto self =
+                        std::dynamic_pointer_cast<TwitchChannel>(weak.lock());
+                    if (!self)
+                    {
+                        return;
+                    }
+
+                    self->localTwitchEmotes_.set(
+                        std::make_shared<EmoteMap>(makeEmotes(emotes)));
+                },
+                [weak] {
+                    auto self = weak.lock();
+                    if (!self)
+                    {
+                        return;
+                    }
+                    self->addSystemMessage("Failed to load follower emotes.");
+                });
+        },
+        [](const auto &error) {
+            qCWarning(chatterinoTwitch)
+                << "Failed to get following status:" << error;
+        });
+
+    if (manualRefresh)
+    {
+        getApp()->getAccounts()->twitch.getCurrent()->reloadEmotes(this);
+    }
+}
+
 void TwitchChannel::refreshBTTVChannelEmotes(bool manualRefresh)
 {
     if (!Settings::instance().enableBTTVChannelEmotes)
@@ -536,6 +651,7 @@ void TwitchChannel::roomIdChanged()
     this->refreshPubSub();
     this->refreshBadges();
     this->refreshCheerEmotes();
+    this->refreshTwitchChannelEmotes(false);
     this->refreshFFZChannelEmotes(false);
     this->refreshBTTVChannelEmotes(false);
     this->refreshSevenTVChannelEmotes(false);
@@ -789,6 +905,18 @@ SharedAccessGuard<const TwitchChannel::StreamStatus>
     return this->streamStatus_.accessConst();
 }
 
+std::optional<EmotePtr> TwitchChannel::twitchEmote(const EmoteName &name) const
+{
+    auto emotes = this->localTwitchEmotes();
+    auto it = emotes->find(name);
+
+    if (it == emotes->end())
+    {
+        return getApp()->getAccounts()->twitch.getCurrent()->twitchEmote(name);
+    }
+    return it->second;
+}
+
 std::optional<EmotePtr> TwitchChannel::bttvEmote(const EmoteName &name) const
 {
     auto emotes = this->bttvEmotes_.get();
@@ -825,6 +953,11 @@ std::optional<EmotePtr> TwitchChannel::seventvEmote(const EmoteName &name) const
     return it->second;
 }
 
+std::shared_ptr<const EmoteMap> TwitchChannel::localTwitchEmotes() const
+{
+    return this->localTwitchEmotes_.get();
+}
+
 std::shared_ptr<const EmoteMap> TwitchChannel::bttvEmotes() const
 {
     return this->bttvEmotes_.get();

src/providers/twitch/TwitchChannel.hpp

@@ -159,13 +159,17 @@ public:
     void markConnected();
 
     // Emotes
+    std::optional<EmotePtr> twitchEmote(const EmoteName &name) const;
     std::optional<EmotePtr> bttvEmote(const EmoteName &name) const;
     std::optional<EmotePtr> ffzEmote(const EmoteName &name) const;
     std::optional<EmotePtr> seventvEmote(const EmoteName &name) const;
+
+    std::shared_ptr<const EmoteMap> localTwitchEmotes() const;
     std::shared_ptr<const EmoteMap> bttvEmotes() const;
     std::shared_ptr<const EmoteMap> ffzEmotes() const;
     std::shared_ptr<const EmoteMap> seventvEmotes() const;
 
+    void refreshTwitchChannelEmotes(bool manualRefresh);
     void refreshBTTVChannelEmotes(bool manualRefresh);
     void refreshFFZChannelEmotes(bool manualRefresh);
     void refreshSevenTVChannelEmotes(bool manualRefresh);
@@ -391,6 +395,8 @@ private:
 protected:
     void messageRemovedFromStart(const MessagePtr &msg) override;
 
+    Atomic<std::shared_ptr<const EmoteMap>> localTwitchEmotes_;
+    Atomic<QString> localTwitchEmoteSetID_;
     Atomic<std::shared_ptr<const EmoteMap>> bttvEmotes_;
     Atomic<std::shared_ptr<const EmoteMap>> ffzEmotes_;
     Atomic<std::shared_ptr<const EmoteMap>> seventvEmotes_;

src/providers/twitch/TwitchEmotes.cpp

@@ -1,10 +1,15 @@
 #include "providers/twitch/TwitchEmotes.hpp"
 
+#include "common/Literals.hpp"
 #include "common/QLogging.hpp"
+#include "common/UniqueAccess.hpp"
 #include "messages/Emote.hpp"
 #include "messages/Image.hpp"
+#include "providers/twitch/api/Helix.hpp"
 #include "util/QStringHash.hpp"
 
+#include <QStringBuilder>
+
 namespace {
 
 using namespace chatterino;
@@ -399,6 +404,22 @@ qreal getEmote3xScaleFactor(const EmoteId &id)
 
 namespace chatterino {
 
+using namespace literals;
+
+QString TwitchEmoteSet::title() const
+{
+    if (!this->owner || this->owner->name.isEmpty())
+    {
+        return "Twitch";
+    }
+    if (this->isBits)
+    {
+        return this->owner->name + " (Bits)";
+    }
+
+    return this->owner->name;
+}
+
 QString TwitchEmotes::cleanUpEmoteCode(const QString &dirtyEmoteCode)
 {
     auto cleanCode = dirtyEmoteCode;
@@ -453,4 +474,44 @@ EmotePtr TwitchEmotes::getOrCreateEmote(const EmoteId &id,
     return shared;
 }
 
+TwitchEmoteSetMeta getTwitchEmoteSetMeta(const HelixChannelEmote &emote)
+{
+    // follower emotes are treated as sub emotes
+    // A sub emote must have an owner or an emote-set id (otherwise it's a
+    // global like "BopBop")
+    bool isSub =
+        (emote.type == u"subscriptions" || emote.type == u"follower") &&
+        !(emote.ownerID.isEmpty() && emote.setID.isEmpty());
+    bool isBits = emote.type == u"bitstier";
+    bool isSubLike = isSub || isBits;
+
+    // A lot of emotes don't have their emote-set-id set, so we create a
+    // virtual emote set that groups emotes by the owner.
+    // Additionally, a lot of emote sets are small, so they're grouped together as globals.
+    auto actualSetID = [&]() -> QString {
+        if (!isSub && !isBits)
+        {
+            return u"x-c2-globals"_s;
+        }
+
+        if (!emote.setID.isEmpty())
+        {
+            return emote.setID;
+        }
+
+        if (isSub)
+        {
+            return TWITCH_SUB_EMOTE_SET_PREFIX % emote.ownerID;
+        }
+        // isBits
+        return TWITCH_BIT_EMOTE_SET_PREFIX % emote.ownerID;
+    }();
+
+    return {
+        .setID = actualSetID,
+        .isBits = isBits,
+        .isSubLike = isSubLike,
+    };
+}
+
 }  // namespace chatterino

src/providers/twitch/TwitchEmotes.hpp

@@ -2,7 +2,9 @@
 
 #include "common/Aliases.hpp"
 #include "common/UniqueAccess.hpp"
+#include "providers/twitch/TwitchUser.hpp"
 
+#include <boost/unordered/unordered_flat_map_fwd.hpp>
 #include <QColor>
 #include <QRegularExpression>
 #include <QString>
@@ -36,6 +38,45 @@ struct CheerEmoteSet {
     std::vector<CheerEmote> cheerEmotes;
 };
 
+struct TwitchEmoteSet {
+    /// @brief The owner of this set
+    ///
+    /// This owner might not be resolved yet
+    std::shared_ptr<TwitchUser> owner;
+
+    std::vector<EmotePtr> emotes;
+
+    /// If this is a bitstier emote set
+    bool isBits = false;
+
+    /// @brief If this emote set is a subscriber or similar emote set
+    ///
+    /// This includes sub and bit emotes
+    bool isSubLike = false;
+
+    /// @brief The title of this set
+    ///
+    /// We generate this based on the emote set's flags & owner
+    QString title() const;
+};
+using TwitchEmoteSetMap = boost::unordered_flat_map<EmoteSetId, TwitchEmoteSet>;
+
+struct HelixChannelEmote;
+
+constexpr QStringView TWITCH_SUB_EMOTE_SET_PREFIX = u"x-c2-s-";
+constexpr QStringView TWITCH_BIT_EMOTE_SET_PREFIX = u"x-c2-b-";
+
+struct TwitchEmoteSetMeta {
+    QString setID;
+
+    /// See TwitchEmoteSet::isBits
+    bool isBits = false;
+    /// See TwitchEmoteSet::isSubLike
+    bool isSubLike = false;
+};
+
+TwitchEmoteSetMeta getTwitchEmoteSetMeta(const HelixChannelEmote &emote);
+
 class ITwitchEmotes
 {
 public:

src/providers/twitch/TwitchIrcServer.cpp

@@ -853,10 +853,6 @@ void TwitchIrcServer::readConnectionMessageReceived(
         this->markChannelsConnected();
         this->connect();
     }
-    else if (command == "GLOBALUSERSTATE")
-    {
-        handler.handleGlobalUserStateMessage(message);
-    }
 }
 
 void TwitchIrcServer::writeConnectionMessageReceived(

src/providers/twitch/TwitchUser.cpp

@@ -1,7 +1,7 @@
 #include "providers/twitch/TwitchUser.hpp"
 
+#include "debug/AssertInGuiThread.hpp"
 #include "providers/twitch/api/Helix.hpp"
-#include "util/RapidjsonHelpers.hpp"
 
 namespace chatterino {
 
@@ -12,4 +12,12 @@ void TwitchUser::fromHelixBlock(const HelixBlock &ignore)
     this->displayName = ignore.displayName;
 }
 
+void TwitchUser::update(const HelixUser &user) const
+{
+    assertInGuiThread();
+    assert(this->id == user.id);
+    this->name = user.login;
+    this->displayName = user.displayName;
+}
+
 }  // namespace chatterino

src/providers/twitch/TwitchUser.hpp

@@ -12,6 +12,7 @@
 namespace chatterino {
 
 struct HelixBlock;
+struct HelixUser;
 
 struct TwitchUser {
     QString id;
@@ -26,6 +27,8 @@ struct TwitchUser {
         this->displayName = other.displayName;
     }
 
+    void update(const HelixUser &user) const;
+
     void fromHelixBlock(const HelixBlock &ignore);
 
     bool operator<(const TwitchUser &rhs) const

src/providers/twitch/TwitchUsers.cpp

@@ -0,0 +1,147 @@
+#include "providers/twitch/TwitchUsers.hpp"
+
+#include "common/QLogging.hpp"
+#include "providers/twitch/api/Helix.hpp"
+#include "providers/twitch/TwitchUser.hpp"
+
+#include <boost/unordered/unordered_flat_map.hpp>
+#include <QStringList>
+#include <QTimer>
+
+namespace {
+
+auto withSelf(auto *ptr, auto cb)
+{
+    return [weak{ptr->weak_from_this()}, cb = std::move(cb)](auto &&...args) {
+        auto self = weak.lock();
+        if (!self)
+        {
+            return;
+        }
+        cb(std::move(self), std::forward<decltype(args)>(args)...);
+    };
+}
+
+}  // namespace
+
+namespace chatterino {
+
+class TwitchUsersPrivate
+    : public std::enable_shared_from_this<TwitchUsersPrivate>
+{
+public:
+    TwitchUsersPrivate();
+
+private:
+    boost::unordered_flat_map<UserId, std::shared_ptr<TwitchUser>> cache;
+    QStringList unresolved;
+    QTimer nextBatchTimer;
+    bool isResolving = false;
+
+    std::shared_ptr<TwitchUser> makeUnresolved(const UserId &id);
+    void makeNextRequest();
+    void updateUsers(const std::vector<HelixUser> &users);
+
+    friend TwitchUsers;
+};
+
+TwitchUsers::TwitchUsers()
+    : private_(new TwitchUsersPrivate)
+{
+}
+
+TwitchUsers::~TwitchUsers() = default;
+
+std::shared_ptr<TwitchUser> TwitchUsers::resolveID(const UserId &id)
+{
+    auto cached = this->private_->cache.find(id);
+    if (cached != this->private_->cache.end())
+    {
+        return cached->second;
+    }
+    return this->private_->makeUnresolved(id);
+}
+
+TwitchUsersPrivate::TwitchUsersPrivate()
+{
+    this->nextBatchTimer.setSingleShot(true);
+    // Wait for multiple request batches to come in before making a request
+    this->nextBatchTimer.setInterval(250);
+
+    QObject::connect(&this->nextBatchTimer, &QTimer::timeout, [this] {
+        this->makeNextRequest();
+    });
+}
+
+std::shared_ptr<TwitchUser> TwitchUsersPrivate::makeUnresolved(const UserId &id)
+{
+    // assumption: Cache entry is empty so neither a shared pointer was created
+    //             nor an entry in the unresolved list was added.
+    auto ptr = this->cache
+                   .emplace(id, std::make_shared<TwitchUser>(TwitchUser{
+                                    .id = id.string,
+                                    .name = {},
+                                    .displayName = {},
+                                }))
+                   .first->second;
+    if (id.string.isEmpty())
+    {
+        return ptr;
+    }
+
+    this->unresolved.append(id.string);
+    if (!this->isResolving && !this->nextBatchTimer.isActive())
+    {
+        this->nextBatchTimer.start();
+    }
+    return ptr;
+}
+
+void TwitchUsersPrivate::makeNextRequest()
+{
+    if (this->unresolved.empty())
+    {
+        return;
+    }
+
+    if (this->isResolving)
+    {
+        qCWarning(chatterinoTwitch) << "Tried to start request while resolving";
+        return;
+    }
+    this->isResolving = true;
+
+    auto ids = this->unresolved.mid(
+        0, std::min<qsizetype>(this->unresolved.size(), 100));
+    this->unresolved = this->unresolved.mid(ids.length());
+    getHelix()->fetchUsers(ids, {},
+                           withSelf(this,
+                                    [](auto self, const auto &users) {
+                                        self->updateUsers(users);
+                                        self->isResolving = false;
+                                        self->makeNextRequest();
+                                    }),
+                           withSelf(this, [](auto self) {
+                               qCWarning(chatterinoTwitch)
+                                   << "Failed to load users";
+                               self->isResolving = false;
+                               self->makeNextRequest();
+                           }));
+}
+
+void TwitchUsersPrivate::updateUsers(const std::vector<HelixUser> &users)
+{
+    for (const auto &user : users)
+    {
+        auto cached = this->cache.find(UserId{user.id});
+        if (cached == this->cache.end())
+        {
+            qCWarning(chatterinoTwitch) << "Couldn't find user" << user.login
+                                        << "with id" << user.id << "in cache";
+            continue;
+        }
+        cached->second->update(user);
+    }
+}
+
+}  // namespace chatterino

src/providers/twitch/TwitchUsers.hpp

@@ -0,0 +1,55 @@
+#pragma once
+
+#include "common/Aliases.hpp"
+
+#include <memory>
+
+namespace chatterino {
+
+struct TwitchUser;
+class TwitchChannel;
+
+class ITwitchUsers
+{
+public:
+    ITwitchUsers() = default;
+    virtual ~ITwitchUsers() = default;
+    ITwitchUsers(const ITwitchUsers &) = delete;
+    ITwitchUsers(ITwitchUsers &&) = delete;
+    ITwitchUsers &operator=(const ITwitchUsers &) = delete;
+    ITwitchUsers &operator=(ITwitchUsers &&) = delete;
+
+    /// @brief Resolve a TwitchUser by their ID
+    ///
+    /// Users are cached. If the user wasn't resolved yet, a request will be
+    /// scheduled. The returned shared pointer must only be used on the GUI
+    /// thread as it will be updated from there.
+    ///
+    /// @returns A shared reference to the TwitchUser. The `name` and
+    ///          `displayName` might be empty if the user wasn't resolved yet or
+    ///          they don't exist.
+    virtual std::shared_ptr<TwitchUser> resolveID(const UserId &id) = 0;
+};
+
+class TwitchUsersPrivate;
+class TwitchUsers : public ITwitchUsers
+{
+public:
+    TwitchUsers();
+    ~TwitchUsers() override;
+    TwitchUsers(const TwitchUsers &) = delete;
+    TwitchUsers(TwitchUsers &&) = delete;
+    TwitchUsers &operator=(const TwitchUsers &) = delete;
+    TwitchUsers &operator=(TwitchUsers &&) = delete;
+
+    /// @see ITwitchUsers::resolveID()
+    std::shared_ptr<TwitchUser> resolveID(const UserId &id) override;
+
+private:
+    // Using a shared_ptr to pass to network callbacks
+    std::shared_ptr<TwitchUsersPrivate> private_;
+
+    friend TwitchUsersPrivate;
+};
+
+}  // namespace chatterino

src/providers/twitch/api/Helix.cpp

@@ -540,7 +540,8 @@ void Helix::loadBlocks(QString userId,
     size_t receivedItems = 0;
     this->paginate(
         u"users/blocks"_s, query,
-        [pageCallback, receivedItems](const QJsonObject &json) mutable {
+        [pageCallback, receivedItems](const QJsonObject &json,
+                                      const auto & /*state*/) mutable {
             const auto data = json["data"_L1].toArray();
 
             if (data.isEmpty())
@@ -3063,6 +3064,123 @@ void Helix::sendChatMessage(
         .execute();
 }
 
+void Helix::getUserEmotes(
+    QString userID, QString broadcasterID,
+    ResultCallback<std::vector<HelixChannelEmote>, HelixPaginationState>
+        pageCallback,
+    FailureCallback<QString> failureCallback, CancellationToken &&token)
+{
+    QUrlQuery query{{u"user_id"_s, userID}};
+    if (!broadcasterID.isEmpty())
+    {
+        query.addQueryItem(u"broadcaster_id"_s, broadcasterID);
+    }
+
+    this->paginate(
+        u"chat/emotes/user"_s, query,
+        [pageCallback](const QJsonObject &json, const auto &state) mutable {
+            const auto data = json["data"_L1].toArray();
+
+            if (data.isEmpty())
+            {
+                return false;
+            }
+
+            std::vector<HelixChannelEmote> emotes;
+            emotes.reserve(data.count());
+
+            for (const auto &emote : data)
+            {
+                emotes.emplace_back(emote.toObject());
+            }
+
+            pageCallback(emotes, state);
+
+            return true;
+        },
+        [failureCallback](const NetworkResult &result) {
+            if (!result.status())
+            {
+                failureCallback(result.formatError());
+                return;
+            }
+
+            const auto obj = result.parseJson();
+            auto message = obj["message"].toString();
+
+            switch (*result.status())
+            {
+                case 401: {
+                    if (message.startsWith("Missing scope",
+                                           Qt::CaseInsensitive))
+                    {
+                        failureCallback("Missing required scope. Re-login with "
+                                        "your account and try again.");
+                        break;
+                    }
+                    [[fallthrough]];
+                }
+                default: {
+                    qCWarning(chatterinoTwitch)
+                        << "Helix get user emotes, unhandled error data:"
+                        << result.formatError() << result.getData() << obj;
+                    failureCallback(message);
+                }
+            }
+        },
+        std::move(token));
+}
+
+void Helix::getFollowedChannel(
+    QString userID, QString broadcasterID,
+    ResultCallback<std::optional<HelixFollowedChannel>> successCallback,
+    FailureCallback<QString> failureCallback)
+{
+    this->makeGet("channels/followed",
+                  {
+                      {u"user_id"_s, userID},
+                      {u"broadcaster_id"_s, broadcasterID},
+                  })
+        .onSuccess([successCallback](auto result) {
+            if (result.status() != 200)
+            {
+                qCWarning(chatterinoTwitch)
+                    << "Success result for getting badges was "
+                    << result.formatError() << "but we expected it to be 200";
+            }
+
+            const auto response = result.parseJson();
+            const auto channel = response["data"_L1].toArray().at(0);
+            if (channel.isObject())
+            {
+                successCallback(HelixFollowedChannel(channel.toObject()));
+            }
+            else
+            {
+                successCallback(std::nullopt);
+            }
+        })
+        .onError([failureCallback](const auto &result) -> void {
+            if (!result.status())
+            {
+                failureCallback(result.formatError());
+                return;
+            }
+
+            auto obj = result.parseJson();
+            auto message = obj.value("message").toString();
+            if (!message.isEmpty())
+            {
+                failureCallback(message);
+            }
+            else
+            {
+                failureCallback(result.formatError());
+            }
+        })
+        .execute();
+}
+
 NetworkRequest Helix::makeRequest(const QString &url, const QUrlQuery &urlQuery,
                                   NetworkRequestType type)
 {
@@ -3120,10 +3238,12 @@ NetworkRequest Helix::makePatch(const QString &url, const QUrlQuery &urlQuery)
     return this->makeRequest(url, urlQuery, NetworkRequestType::Patch);
 }
 
-void Helix::paginate(const QString &url, const QUrlQuery &baseQuery,
+void Helix::paginate(
-                     std::function<bool(const QJsonObject &)> onPage,
+    const QString &url, const QUrlQuery &baseQuery,
-                     std::function<void(NetworkResult)> onError,
+    std::function<bool(const QJsonObject &, const HelixPaginationState &state)>
-                     CancellationToken &&cancellationToken)
+        onPage,
+    std::function<void(NetworkResult)> onError,
+    CancellationToken &&cancellationToken)
 {
     auto onSuccess =
         std::make_shared<std::function<void(NetworkResult)>>(nullptr);
@@ -3143,14 +3263,19 @@ void Helix::paginate(const QString &url, const QUrlQuery &baseQuery,
         }
 
         const auto json = res.parseJson();
-        if (!onPage(json))
+        const auto pagination = json["pagination"_L1].toObject();
+
+        auto cursor = pagination["cursor"_L1].toString();
+        HelixPaginationState state{.done = cursor.isEmpty()};
+
+        if (!onPage(json, state))
         {
             // The consumer doesn't want any more pages
             return;
         }
 
-        auto cursor = json["pagination"_L1]["cursor"_L1].toString();
+        // After done is set, onPage must never be called again
-        if (cursor.isEmpty())
+        if (state.done)
         {
             return;
         }

src/providers/twitch/api/Helix.hpp

@@ -266,18 +266,18 @@ struct HelixEmoteSetData {
 };
 
 struct HelixChannelEmote {
-    const QString emoteId;
+    const QString id;
     const QString name;
     const QString type;
-    const QString setId;
+    const QString setID;
-    const QString url;
+    const QString ownerID;
 
-    explicit HelixChannelEmote(QJsonObject jsonObject)
+    explicit HelixChannelEmote(const QJsonObject &jsonObject)
-        : emoteId(jsonObject.value("id").toString())
+        : id(jsonObject["id"].toString())
-        , name(jsonObject.value("name").toString())
+        , name(jsonObject["name"].toString())
-        , type(jsonObject.value("emote_type").toString())
+        , type(jsonObject["emote_type"].toString())
-        , setId(jsonObject.value("emote_set_id").toString())
+        , setID(jsonObject["emote_set_id"].toString())
-        , url(TWITCH_EMOTE_TEMPLATE.arg(this->emoteId, u"3.0"))
+        , ownerID(jsonObject["owner_id"].toString())
     {
     }
 };
@@ -438,6 +438,22 @@ struct HelixSentMessage {
     }
 };
 
+struct HelixFollowedChannel {
+    QString broadcasterID;
+    QString broadcasterLogin;
+    QString broadcasterName;
+    QDateTime followedAt;
+
+    explicit HelixFollowedChannel(const QJsonObject &jsonObject)
+        : broadcasterID(jsonObject["broadcaster_id"].toString())
+        , broadcasterLogin(jsonObject["broadcaster_login"].toString())
+        , broadcasterName(jsonObject["broadcaster_name"].toString())
+        , followedAt(QDateTime::fromString(jsonObject["followed_at"].toString(),
+                                           Qt::ISODate))
+    {
+    }
+};
+
 struct HelixSendMessageArgs {
     QString broadcasterID;
     QString senderID;
@@ -786,6 +802,10 @@ struct HelixError {
 
 using HelixGetChannelBadgesError = HelixGetGlobalBadgesError;
 
+struct HelixPaginationState {
+    bool done;
+};
+
 class IHelix
 {
 public:
@@ -1112,6 +1132,21 @@ public:
         ResultCallback<HelixSentMessage> successCallback,
         FailureCallback<HelixSendMessageError, QString> failureCallback) = 0;
 
+    /// https://dev.twitch.tv/docs/api/reference/#get-user-emotes
+    virtual void getUserEmotes(
+        QString userID, QString broadcasterID,
+        ResultCallback<std::vector<HelixChannelEmote>, HelixPaginationState>
+            pageCallback,
+        FailureCallback<QString> failureCallback,
+        CancellationToken &&token) = 0;
+
+    /// https://dev.twitch.tv/docs/api/reference/#get-followed-channels
+    /// (non paginated)
+    virtual void getFollowedChannel(
+        QString userID, QString broadcasterID,
+        ResultCallback<std::optional<HelixFollowedChannel>> successCallback,
+        FailureCallback<QString> failureCallback) = 0;
+
     virtual void update(QString clientId, QString oauthToken) = 0;
 
 protected:
@@ -1440,6 +1475,21 @@ public:
         ResultCallback<HelixSentMessage> successCallback,
         FailureCallback<HelixSendMessageError, QString> failureCallback) final;
 
+    /// https://dev.twitch.tv/docs/api/reference/#get-user-emotes
+    void getUserEmotes(
+        QString userID, QString broadcasterID,
+        ResultCallback<std::vector<HelixChannelEmote>, HelixPaginationState>
+            pageCallback,
+        FailureCallback<QString> failureCallback,
+        CancellationToken &&token) final;
+
+    /// https://dev.twitch.tv/docs/api/reference/#get-followed-channels
+    /// (non paginated)
+    void getFollowedChannel(
+        QString userID, QString broadcasterID,
+        ResultCallback<std::optional<HelixFollowedChannel>> successCallback,
+        FailureCallback<QString> failureCallback) final;
+
     void update(QString clientId, QString oauthToken) final;
 
     static void initialize();
@@ -1494,7 +1544,9 @@ private:
     /// Paginate the `url` endpoint and use `baseQuery` as the starting point for pagination.
     /// @param onPage returns true while a new page is expected. Once false is returned, pagination will stop.
     void paginate(const QString &url, const QUrlQuery &baseQuery,
-                  std::function<bool(const QJsonObject &)> onPage,
+                  std::function<bool(const QJsonObject &,
+                                     const HelixPaginationState &state)>
+                      onPage,
                   std::function<void(NetworkResult)> onError,
                   CancellationToken &&token);
 

src/util/CancellationToken.hpp

@@ -2,6 +2,7 @@
 
 #include <atomic>
 #include <memory>
+#include <utility>
 
 namespace chatterino {
 
@@ -10,24 +11,30 @@ namespace chatterino {
 class CancellationToken
 {
 public:
-    CancellationToken() = default;
+    CancellationToken() noexcept = default;
     explicit CancellationToken(bool isCancelled)
         : isCancelled_(new std::atomic<bool>(isCancelled))
     {
     }
 
     CancellationToken(const CancellationToken &) = default;
-    CancellationToken(CancellationToken &&other)
+    CancellationToken(CancellationToken &&other) noexcept
         : isCancelled_(std::move(other.isCancelled_)){};
 
-    CancellationToken &operator=(CancellationToken &&other)
+    /// @brief This destructor doesn't cancel the token
+    ///
+    /// @see ScopedCancellationToken
+    /// @see #cancel()
+    ~CancellationToken() noexcept = default;
+
+    CancellationToken &operator=(CancellationToken &&other) noexcept
     {
         this->isCancelled_ = std::move(other.isCancelled_);
         return *this;
     }
     CancellationToken &operator=(const CancellationToken &) = default;
 
-    void cancel()
+    void cancel() noexcept
     {
         if (this->isCancelled_ != nullptr)
         {
@@ -35,7 +42,7 @@ public:
         }
     }
 
-    bool isCancelled() const
+    bool isCancelled() const noexcept
     {
         return this->isCancelled_ == nullptr ||
                this->isCancelled_->load(std::memory_order_acquire);
@@ -50,30 +57,35 @@ class ScopedCancellationToken
 {
 public:
     ScopedCancellationToken() = default;
-    ScopedCancellationToken(CancellationToken &&backingToken)
+    explicit ScopedCancellationToken(CancellationToken backingToken)
-        : backingToken_(std::move(backingToken))
-    {
-    }
-    ScopedCancellationToken(CancellationToken backingToken)
         : backingToken_(std::move(backingToken))
     {
     }
 
+    ScopedCancellationToken(const ScopedCancellationToken &) = delete;
+    ScopedCancellationToken(ScopedCancellationToken &&other) noexcept
+        : backingToken_(std::move(other.backingToken_)){};
+
     ~ScopedCancellationToken()
     {
         this->backingToken_.cancel();
     }
 
-    ScopedCancellationToken(const ScopedCancellationToken &) = delete;
+    ScopedCancellationToken &operator=(CancellationToken token) noexcept
-    ScopedCancellationToken(ScopedCancellationToken &&other)
-        : backingToken_(std::move(other.backingToken_)){};
-    ScopedCancellationToken &operator=(ScopedCancellationToken &&other)
     {
+        this->backingToken_.cancel();
+        this->backingToken_ = std::move(token);
+        return *this;
+    }
+
+    ScopedCancellationToken &operator=(const ScopedCancellationToken &) =
+        delete;
+    ScopedCancellationToken &operator=(ScopedCancellationToken &&other) noexcept
+    {
+        this->backingToken_.cancel();
         this->backingToken_ = std::move(other.backingToken_);
         return *this;
     }
-    ScopedCancellationToken &operator=(const ScopedCancellationToken &) =
-        delete;
 
 private:
     CancellationToken backingToken_;

src/util/Expected.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <nonstd/expected.hpp>
+
+class QString;
+
+namespace chatterino {
+
+template <typename T, typename E>
+using Expected = nonstd::expected_lite::expected<T, E>;
+
+template <typename T>
+using ExpectedStr = Expected<T, QString>;
+
+// convenience function from nonstd/expected.hpp
+template <typename E>
+constexpr nonstd::unexpected<std::decay_t<E>> makeUnexpected(E &&value)
+{
+    return nonstd::unexpected<std::decay_t<E>>(std::forward<E>(value));
+}
+
+}  // namespace chatterino

src/widgets/BaseWindow.cpp

@@ -23,6 +23,7 @@
 
 #ifdef USEWINSDK
 #    include <dwmapi.h>
+#    include <shellapi.h>
 #    include <VersionHelpers.h>
 #    include <Windows.h>
 #    include <windowsx.h>
@@ -32,7 +33,6 @@
 #    include <QHBoxLayout>
 #    include <QMargins>
 #    include <QOperatingSystemVersion>
-#    include <QWindow>
 #endif
 
 #include "widgets/helper/TitlebarButton.hpp"

src/widgets/dialogs/EmotePopup.cpp

@@ -26,6 +26,7 @@
 #include <QAbstractButton>
 #include <QHBoxLayout>
 #include <QRegularExpression>
+#include <QStringBuilder>
 #include <QTabWidget>
 
 #include <utility>
@@ -42,13 +43,14 @@ auto makeTitleMessage(const QString &title)
     return builder.release();
 }
 
-auto makeEmoteMessage(const EmoteMap &map, const MessageElementFlag &emoteFlag)
+auto makeEmoteMessage(std::vector<EmotePtr> emotes,
+                      const MessageElementFlag &emoteFlag)
 {
     MessageBuilder builder;
     builder->flags.set(MessageFlag::Centered);
     builder->flags.set(MessageFlag::DisableCompactEmotes);
 
-    if (map.empty())
+    if (emotes.empty())
     {
         builder.emplace<TextElement>("no emotes available",
                                      MessageElementFlag::Text,
@@ -56,24 +58,41 @@ auto makeEmoteMessage(const EmoteMap &map, const MessageElementFlag &emoteFlag)
         return builder.release();
     }
 
-    std::vector<std::pair<EmoteName, EmotePtr>> vec(map.begin(), map.end());
+    std::sort(emotes.begin(), emotes.end(), [](const auto &l, const auto &r) {
-    std::sort(vec.begin(), vec.end(),
+        return compareEmoteStrings(l->name.string, r->name.string);
-              [](const std::pair<EmoteName, EmotePtr> &l,
+    });
-                 const std::pair<EmoteName, EmotePtr> &r) {
+    for (const auto &emote : emotes)
-                  return compareEmoteStrings(l.first.string, r.first.string);
-              });
-    for (const auto &emote : vec)
     {
         builder
             .emplace<EmoteElement>(
-                emote.second,
+                emote,
                 MessageElementFlags{MessageElementFlag::AlwaysShow, emoteFlag})
-            ->setLink(Link(Link::InsertText, emote.first.string));
+            ->setLink(Link(Link::InsertText, emote->name.string));
     }
 
     return builder.release();
 }
 
+auto makeEmoteMessage(const EmoteMap &map, const MessageElementFlag &emoteFlag)
+{
+    if (map.empty())
+    {
+        MessageBuilder builder;
+        builder.emplace<TextElement>("no emotes available",
+                                     MessageElementFlag::Text,
+                                     MessageColor::System);
+        return builder.release();
+    }
+
+    std::vector<EmotePtr> vec;
+    vec.reserve(map.size());
+    for (const auto &[_name, ptr] : map)
+    {
+        vec.emplace_back(ptr);
+    }
+    return makeEmoteMessage(std::move(vec), emoteFlag);
+}
+
 auto makeEmojiMessage(const std::vector<EmojiPtr> &emojiMap)
 {
     MessageBuilder builder;
@@ -94,77 +113,46 @@ auto makeEmojiMessage(const std::vector<EmojiPtr> &emojiMap)
     return builder.release();
 }
 
-void addTwitchEmoteSets(
+void addEmotes(Channel &channel, auto emotes, const QString &title,
-    std::vector<std::shared_ptr<TwitchAccount::EmoteSet>> sets,
+               const MessageElementFlag &emoteFlag)
-    Channel &globalChannel, Channel &subChannel, QString currentChannelName)
 {
-    QMap<QString, QPair<bool, std::vector<MessagePtr>>> mapOfSets;
+    channel.addMessage(makeTitleMessage(title), MessageContext::Original);
+    channel.addMessage(makeEmoteMessage(emotes, emoteFlag),
+                       MessageContext::Original);
+}
 
-    for (const auto &set : sets)
+void addTwitchEmoteSets(const std::shared_ptr<const EmoteMap> &local,
+                        const std::shared_ptr<const TwitchEmoteSetMap> &sets,
+                        Channel &globalChannel, Channel &subChannel,
+                        const QString &currentChannelID,
+                        const QString &channelName)
+{
+    if (!local->empty())
     {
-        // Some emotes (e.g. follower ones) are only available in their origin channel
+        addEmotes(subChannel, *local, channelName % u" (follower)",
-        if (set->local && currentChannelName != set->channelName)
+                  MessageElementFlag::TwitchEmote);
+    }
+
+    // Put current channel emotes at the top
+    for (const auto &[_id, set] : *sets)
+    {
+        if (set.owner->id == currentChannelID)
+        {
+            addEmotes(subChannel, set.emotes, set.title(),
+                      MessageElementFlag::TwitchEmote);
+        }
+    }
+
+    for (const auto &[id, set] : *sets)
+    {
+        if (set.owner->id == currentChannelID)
         {
             continue;
         }
 
-        // TITLE
+        addEmotes(set.isSubLike ? subChannel : globalChannel, set.emotes,
-        auto channelName = set->channelName;
+                  set.title(), MessageElementFlag::TwitchEmote);
-        auto text = set->text.isEmpty() ? "Twitch" : set->text;
-
-        // EMOTES
-        MessageBuilder builder;
-        builder->flags.set(MessageFlag::Centered);
-        builder->flags.set(MessageFlag::DisableCompactEmotes);
-
-        // If value of map is empty, create init pair and add title.
-        if (mapOfSets.find(channelName) == mapOfSets.end())
-        {
-            std::vector<MessagePtr> b;
-            b.push_back(makeTitleMessage(text));
-            mapOfSets[channelName] = qMakePair(set->key == "0", b);
-        }
-
-        for (const auto &emote : set->emotes)
-        {
-            builder
-                .emplace<EmoteElement>(
-                    getApp()->getEmotes()->getTwitchEmotes()->getOrCreateEmote(
-                        emote.id, emote.name),
-                    MessageElementFlags{MessageElementFlag::AlwaysShow,
-                                        MessageElementFlag::TwitchEmote})
-                ->setLink(Link(Link::InsertText, emote.name.string));
-        }
-
-        mapOfSets[channelName].second.push_back(builder.release());
     }
-
-    // Output to channel all created messages,
-    // That contain title or emotes.
-    // Put current channel emotes at the top
-    auto currentChannelPair = mapOfSets[currentChannelName];
-    for (const auto &message : currentChannelPair.second)
-    {
-        subChannel.addMessage(message, MessageContext::Original);
-    }
-    mapOfSets.remove(currentChannelName);
-
-    for (const auto &pair : mapOfSets)
-    {
-        auto &channel = pair.first ? globalChannel : subChannel;
-        for (const auto &message : pair.second)
-        {
-            channel.addMessage(message, MessageContext::Original);
-        }
-    }
-}
-
-void addEmotes(Channel &channel, const EmoteMap &map, const QString &title,
-               const MessageElementFlag &emoteFlag)
-{
-    channel.addMessage(makeTitleMessage(title), MessageContext::Original);
-    channel.addMessage(makeEmoteMessage(map, emoteFlag),
-                       MessageContext::Original);
 }
 
 void loadEmojis(ChannelView &view, const std::vector<EmojiPtr> &emojiMap)
@@ -200,6 +188,22 @@ EmoteMap filterEmoteMap(const QString &text,
     return filteredMap;
 }
 
+std::vector<EmotePtr> filterEmoteVec(const QString &text,
+                                     const std::vector<EmotePtr> &emotes)
+{
+    std::vector<EmotePtr> filtered;
+
+    for (const auto &emote : emotes)
+    {
+        if (emote->name.string.contains(text, Qt::CaseInsensitive))
+        {
+            filtered.emplace_back(emote);
+        }
+    }
+
+    return filtered;
+}
+
 }  // namespace
 
 namespace chatterino {
@@ -404,8 +408,10 @@ void EmotePopup::loadChannel(ChannelPtr channel)
 
     // twitch
     addTwitchEmoteSets(
-        getApp()->getAccounts()->twitch.getCurrent()->accessEmotes()->emoteSets,
+        twitchChannel_->localTwitchEmotes(),
-        *globalChannel, *subChannel, this->channel_->getName());
+        *getApp()->getAccounts()->twitch.getCurrent()->accessEmoteSets(),
+        *globalChannel, *subChannel, twitchChannel_->roomId(),
+        twitchChannel_->getName());
 
     // global
     if (Settings::instance().enableBTTVGlobalEmotes)
@@ -475,24 +481,22 @@ bool EmotePopup::eventFilter(QObject *object, QEvent *event)
 void EmotePopup::filterTwitchEmotes(std::shared_ptr<Channel> searchChannel,
                                     const QString &searchText)
 {
-    auto twitchEmoteSets =
+    if (this->twitchChannel_)
-        getApp()->getAccounts()->twitch.getCurrent()->accessEmotes()->emoteSets;
-    std::vector<std::shared_ptr<TwitchAccount::EmoteSet>> twitchGlobalEmotes{};
-
-    for (const auto &set : twitchEmoteSets)
     {
-        auto setCopy = std::make_shared<TwitchAccount::EmoteSet>(*set);
+        auto local = filterEmoteMap(searchText,
-        auto setIt =
+                                    this->twitchChannel_->localTwitchEmotes());
-            std::remove_if(setCopy->emotes.begin(), setCopy->emotes.end(),
+        if (!local.empty())
-                           [searchText](auto &emote) {
-                               return !emote.name.string.contains(
-                                   searchText, Qt::CaseInsensitive);
-                           });
-        setCopy->emotes.resize(std::distance(setCopy->emotes.begin(), setIt));
-
-        if (!setCopy->emotes.empty())
         {
-            twitchGlobalEmotes.push_back(setCopy);
+            addEmotes(*searchChannel, local,
+                      this->twitchChannel_->getName() % u" (local)",
+                      MessageElementFlag::TwitchEmote);
+        }
+
+        for (const auto &[_id, set] :
+             **getApp()->getAccounts()->twitch.getCurrent()->accessEmoteSets())
+        {
+            addEmotes(*searchChannel, filterEmoteVec(searchText, set.emotes),
+                      set.title(), MessageElementFlag::TwitchEmote);
         }
     }
 
@@ -503,10 +507,6 @@ void EmotePopup::filterTwitchEmotes(std::shared_ptr<Channel> searchChannel,
     auto seventvGlobalEmotes = filterEmoteMap(
         searchText, getApp()->getSeventvEmotes()->globalEmotes());
 
-    // twitch
-    addTwitchEmoteSets(twitchGlobalEmotes, *searchChannel, *searchChannel,
-                       this->channel_->getName());
-
     // global
     if (!bttvGlobalEmotes.empty())
     {

src/widgets/splits/Split.cpp

@@ -1508,10 +1508,10 @@ void Split::showSearch(bool singleChannel)
 void Split::reloadChannelAndSubscriberEmotes()
 {
     auto channel = this->getChannel();
-    getApp()->getAccounts()->twitch.getCurrent()->loadEmotes(channel);
 
     if (auto *twitchChannel = dynamic_cast<TwitchChannel *>(channel.get()))
     {
+        twitchChannel->refreshTwitchChannelEmotes(true);
         twitchChannel->refreshBTTVChannelEmotes(true);
         twitchChannel->refreshFFZChannelEmotes(true);
         twitchChannel->refreshSevenTVChannelEmotes(true);

src/widgets/splits/SplitHeader.cpp

@@ -1078,7 +1078,10 @@ void SplitHeader::reloadSubscriberEmotes()
     this->lastReloadedSubEmotes_ = now;
 
     auto channel = this->split_->getChannel();
-    getApp()->getAccounts()->twitch.getCurrent()->loadEmotes(channel);
+    if (auto *twitchChannel = dynamic_cast<TwitchChannel *>(channel.get()))
+    {
+        twitchChannel->refreshTwitchChannelEmotes(true);
+    }
 }
 
 void SplitHeader::reconnect()

tests/CMakeLists.txt

@@ -47,6 +47,7 @@ set(test_SOURCES
     ${CMAKE_CURRENT_LIST_DIR}/src/Commands.cpp
     ${CMAKE_CURRENT_LIST_DIR}/src/FlagsEnum.cpp
     ${CMAKE_CURRENT_LIST_DIR}/src/MessageLayoutContainer.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/src/CancellationToken.cpp
     # Add your new file above this line!
     )
 

tests/src/CancellationToken.cpp

@@ -0,0 +1,173 @@
+#include "util/CancellationToken.hpp"
+
+#include <gtest/gtest.h>
+
+using namespace chatterino;
+
+// CancellationToken
+
+TEST(CancellationToken, ctor)
+{
+    {
+        CancellationToken token;
+        ASSERT_TRUE(token.isCancelled());
+        token.cancel();
+        ASSERT_TRUE(token.isCancelled());
+    }
+    {
+        CancellationToken token(false);
+        ASSERT_FALSE(token.isCancelled());
+        token.cancel();
+        ASSERT_TRUE(token.isCancelled());
+    }
+    {
+        CancellationToken token(true);
+        ASSERT_TRUE(token.isCancelled());
+        token.cancel();
+        ASSERT_TRUE(token.isCancelled());
+    }
+}
+
+TEST(CancellationToken, moveCtor)
+{
+    CancellationToken token(false);
+    ASSERT_FALSE(token.isCancelled());
+    CancellationToken token2(std::move(token));
+    // NOLINTNEXTLINE(bugprone-use-after-move)
+    ASSERT_TRUE(token.isCancelled());
+    ASSERT_FALSE(token2.isCancelled());
+
+    token.cancel();
+    ASSERT_FALSE(token2.isCancelled());
+
+    token2.cancel();
+    ASSERT_TRUE(token2.isCancelled());
+}
+
+TEST(CancellationToken, moveAssign)
+{
+    CancellationToken token(false);
+    CancellationToken token2;
+    ASSERT_FALSE(token.isCancelled());
+    ASSERT_TRUE(token2.isCancelled());
+
+    token2 = std::move(token);
+    // NOLINTNEXTLINE(bugprone-use-after-move)
+    ASSERT_TRUE(token.isCancelled());
+    ASSERT_FALSE(token2.isCancelled());
+    token.cancel();
+    ASSERT_FALSE(token2.isCancelled());
+
+    token2.cancel();
+    ASSERT_TRUE(token2.isCancelled());
+}
+
+TEST(CancellationToken, copyCtor)
+{
+    CancellationToken token(false);
+    ASSERT_FALSE(token.isCancelled());
+    CancellationToken token2(token);
+    ASSERT_FALSE(token.isCancelled());
+    ASSERT_FALSE(token2.isCancelled());
+    token2.cancel();
+    ASSERT_TRUE(token2.isCancelled());
+    ASSERT_TRUE(token.isCancelled());
+}
+
+TEST(CancellationToken, copyAssign)
+{
+    CancellationToken token(false);
+    CancellationToken token2;
+    ASSERT_FALSE(token.isCancelled());
+    ASSERT_TRUE(token2.isCancelled());
+
+    token2 = token;
+    ASSERT_FALSE(token.isCancelled());
+    ASSERT_FALSE(token2.isCancelled());
+    token2.cancel();
+    ASSERT_TRUE(token.isCancelled());
+    ASSERT_TRUE(token2.isCancelled());
+}
+
+TEST(CancellationToken, dtor)
+{
+    CancellationToken token(false);
+    {
+        // NOLINTNEXTLINE(performance-unnecessary-copy-initialization)
+        CancellationToken token2 = token;
+        ASSERT_FALSE(token.isCancelled());
+        ASSERT_FALSE(token2.isCancelled());
+    }
+
+    ASSERT_FALSE(token.isCancelled());
+}
+
+// ScopedCancellationToken
+
+TEST(ScopedCancellationToken, moveCancelCtor)
+{
+    CancellationToken token(false);
+    ASSERT_FALSE(token.isCancelled());
+    {
+        ScopedCancellationToken scoped(std::move(token));
+        // NOLINTNEXTLINE(bugprone-use-after-move)
+        ASSERT_TRUE(token.isCancelled());
+    }
+}
+
+TEST(ScopedCancellationToken, copyCancelCtor)
+{
+    CancellationToken token(false);
+    ASSERT_FALSE(token.isCancelled());
+    {
+        ScopedCancellationToken scoped(token);
+        ASSERT_FALSE(token.isCancelled());
+    }
+    ASSERT_TRUE(token.isCancelled());
+}
+
+TEST(ScopedCancellationToken, moveCtor)
+{
+    CancellationToken token(false);
+    ASSERT_FALSE(token.isCancelled());
+    {
+        ScopedCancellationToken scoped(token);
+        {
+            ScopedCancellationToken inner(std::move(scoped));
+            ASSERT_FALSE(token.isCancelled());
+        }
+        ASSERT_TRUE(token.isCancelled());
+    }
+}
+
+TEST(ScopedCancellationToken, moveAssign)
+{
+    CancellationToken token(false);
+    CancellationToken token2(false);
+    {
+        ScopedCancellationToken scoped(token);
+        {
+            ScopedCancellationToken inner(token2);
+            ASSERT_FALSE(token.isCancelled());
+            ASSERT_FALSE(token2.isCancelled());
+            inner = std::move(scoped);
+            ASSERT_FALSE(token.isCancelled());
+            ASSERT_TRUE(token2.isCancelled());
+        }
+        ASSERT_TRUE(token.isCancelled());
+    }
+}
+
+TEST(ScopedCancellationToken, copyAssign)
+{
+    CancellationToken token(false);
+    CancellationToken token2(false);
+    {
+        ScopedCancellationToken scoped(token);
+        ASSERT_FALSE(token.isCancelled());
+        scoped = token2;
+        ASSERT_FALSE(token2.isCancelled());
+        ASSERT_TRUE(token.isCancelled());
+    }
+    ASSERT_TRUE(token2.isCancelled());
+}