moved chatters to ChannelChatters

src/common/Channel.cpp

@@ -70,13 +70,6 @@ void Channel::addMessage(MessagePtr message,
     auto app = getApp();
     MessagePtr deleted;
 
-    const QString &username = message->loginName;
-    if (!username.isEmpty())
-    {
-        // TODO: Add recent chatters display name
-        this->addRecentChatter(message);
-    }
-
     // FOURTF: change this when adding more providers
     if (this->isTwitchChannel() &&
         (!overridingFlags || !overridingFlags->has(MessageFlag::DoNotLog)))
@@ -246,10 +239,6 @@ void Channel::deleteMessage(QString messageID)
     }
 }
 
-void Channel::addRecentChatter(const MessagePtr &message)
-{
-}
-
 bool Channel::canSendMessage() const
 {
     return false;

src/common/Channel.hpp

@@ -90,7 +90,6 @@ public:
 
 protected:
     virtual void onConnected();
-    virtual void addRecentChatter(const MessagePtr &message);
 
 private:
     const QString name_;

src/common/ChannelChatters.cpp

@@ -0,0 +1,72 @@
+#include "ChannelChatters.hpp"
+
+#include "messages/Message.hpp"
+#include "messages/MessageBuilder.hpp"
+
+namespace chatterino {
+
+ChannelChatters::ChannelChatters(Channel &channel)
+    : channel_(channel)
+{
+}
+
+AccessGuard<const UsernameSet> ChannelChatters::accessChatters() const
+{
+    return this->chatters_.accessConst();
+}
+
+void ChannelChatters::addRecentChatter(const QString &user)
+{
+    this->chatters_.access()->insert(user);
+}
+
+void ChannelChatters::addJoinedUser(const QString &user)
+{
+    auto joinedUsers = this->joinedUsers_.access();
+    joinedUsers->append(user);
+
+    if (!this->joinedUsersMergeQueued_)
+    {
+        this->joinedUsersMergeQueued_ = true;
+
+        QTimer::singleShot(500, &this->lifetimeGuard_, [this] {
+            auto joinedUsers = this->joinedUsers_.access();
+
+            MessageBuilder builder(systemMessage,
+                                   "Users joined: " + joinedUsers->join(", "));
+            builder->flags.set(MessageFlag::Collapsed);
+            joinedUsers->clear();
+            this->channel_.addMessage(builder.release());
+            this->joinedUsersMergeQueued_ = false;
+        });
+    }
+}
+
+void ChannelChatters::addPartedUser(const QString &user)
+{
+    auto partedUsers = this->partedUsers_.access();
+    partedUsers->append(user);
+
+    if (!this->partedUsersMergeQueued_)
+    {
+        this->partedUsersMergeQueued_ = true;
+
+        QTimer::singleShot(500, &this->lifetimeGuard_, [this] {
+            auto partedUsers = this->partedUsers_.access();
+
+            MessageBuilder builder(systemMessage,
+                                   "Users parted: " + partedUsers->join(", "));
+            builder->flags.set(MessageFlag::Collapsed);
+            this->channel_.addMessage(builder.release());
+            partedUsers->clear();
+
+            this->partedUsersMergeQueued_ = false;
+        });
+    }
+}
+void ChannelChatters::setChatters(UsernameSet &&set)
+{
+    *this->chatters_.access() = set;
+}
+
+}  // namespace chatterino

src/common/ChannelChatters.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include "common/Channel.hpp"
+#include "common/UniqueAccess.hpp"
+#include "common/UsernameSet.hpp"
+
+namespace chatterino {
+
+class ChannelChatters
+{
+public:
+    ChannelChatters(Channel &channel);
+    virtual ~ChannelChatters() = default;  // add vtable
+
+    AccessGuard<const UsernameSet> accessChatters() const;
+
+    void addRecentChatter(const QString &user);
+    void addJoinedUser(const QString &user);
+    void addPartedUser(const QString &user);
+    void setChatters(UsernameSet &&set);
+
+private:
+    Channel &channel_;
+
+    // maps 2 char prefix to set of names
+    UniqueAccess<UsernameSet> chatters_;
+
+    // combines multiple joins/parts into one message
+    UniqueAccess<QStringList> joinedUsers_;
+    bool joinedUsersMergeQueued_ = false;
+    UniqueAccess<QStringList> partedUsers_;
+    bool partedUsersMergeQueued_ = false;
+
+    QObject lifetimeGuard_;
+};
+
+}  // namespace chatterino