Make deletions show like timeouts/bans. (#2841)

Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>

CHANGELOG.md

@@ -10,6 +10,7 @@
 - Minor: Limit the number of recent chatters to improve memory usage and reduce freezes. (#2796, #2814)
 - Minor: Added `/popout` command. Usage: `/popout [channel]`. It opens browser chat for the provided channel. Can also be used without arguments to open current channels browser chat. (#2556, #2812)
 - Minor: Improved matching of game names when using `/setgame` command (#2636)
+- Minor: Now shows deletions of messages like timeouts (#1155, #2841)
 - Minor: Added a link to accounts page in settings to "You need to be logged in to send messages" message. (#2862)
 - Minor: Switch to Twitch v2 emote API for animated emote support. (#2863)
 - Bugfix: Fixed FFZ emote links for global emotes (#2807, #2808)

src/common/Channel.cpp

@@ -239,6 +239,14 @@ void Channel::replaceMessage(size_t index, MessagePtr replacement)
 }
 
 void Channel::deleteMessage(QString messageID)
+{
+    auto msg = this->findMessage(messageID);
+    if (msg != nullptr)
+    {
+        msg->flags.set(MessageFlag::Disabled);
+    }
+}
+MessagePtr Channel::findMessage(QString messageID)
 {
     LimitedQueueSnapshot<MessagePtr> snapshot = this->getMessageSnapshot();
     int snapshotLength = snapshot.size();
@@ -251,10 +259,10 @@ void Channel::deleteMessage(QString messageID)
 
         if (s->id == messageID)
         {
-            s->flags.set(MessageFlag::Disabled);
-            break;
+            return s;
         }
     }
+    return nullptr;
 }
 
 bool Channel::canSendMessage() const

src/common/Channel.hpp

@@ -78,6 +78,7 @@ public:
     void replaceMessage(MessagePtr message, MessagePtr replacement);
     void replaceMessage(size_t index, MessagePtr replacement);
     void deleteMessage(QString messageID);
+    MessagePtr findMessage(QString messageID);
 
     bool hasMessages() const;
 

src/providers/twitch/IrcMessageHandler.cpp

@@ -479,7 +479,17 @@ void IrcMessageHandler::handleClearMessageMessage(Communi::IrcMessage *message)
 
     QString targetID = tags.value("target-msg-id").toString();
 
-    chan->deleteMessage(targetID);
+    auto msg = chan->findMessage(targetID);
+    if (msg != nullptr)
+    {
+        msg->flags.set(MessageFlag::Disabled);
+        if (!getSettings()->hideDeletionActions)
+        {
+            MessageBuilder builder;
+            TwitchMessageBuilder::deletionMessage(msg, &builder);
+            chan->addMessage(builder.release());
+        }
+    }
 }
 
 void IrcMessageHandler::handleUserStateMessage(Communi::IrcMessage *message)

src/providers/twitch/TwitchMessageBuilder.cpp

@@ -1356,5 +1356,36 @@ void TwitchMessageBuilder::hostingSystemMessage(const QString &channelName,
                                MessageColor::System, FontStyle::ChatMediumBold)
         ->setLink({Link::UserInfo, channelName});
 }
+void TwitchMessageBuilder::deletionMessage(const MessagePtr originalMessage,
+                                           MessageBuilder *builder)
+{
+    builder->emplace<TimestampElement>();
+    builder->message().flags.set(MessageFlag::System);
+    builder->message().flags.set(MessageFlag::DoNotTriggerNotification);
+    builder->message().flags.set(MessageFlag::Timeout);
+    // TODO(mm2pl): If or when jumping to a single message gets implemented a link,
+    // add a link to the originalMessage
+    builder->emplace<TextElement>("A message from", MessageElementFlag::Text,
+                                  MessageColor::System);
+    builder
+        ->emplace<TextElement>(originalMessage->displayName,
+                               MessageElementFlag::Username,
+                               MessageColor::System, FontStyle::ChatMediumBold)
+        ->setLink({Link::UserInfo, originalMessage->loginName});
+    builder->emplace<TextElement>("was deleted:", MessageElementFlag::Text,
+                                  MessageColor::System);
+    if (originalMessage->messageText.length() > 50)
+    {
+        builder->emplace<TextElement>(
+            originalMessage->messageText.left(50) + "...",
+            MessageElementFlag::Text, MessageColor::Text);
+    }
+    else
+    {
+        builder->emplace<TextElement>(originalMessage->messageText,
+                                      MessageElementFlag::Text,
+                                      MessageColor::Text);
+    }
+}
 
 }  // namespace chatterino

src/providers/twitch/TwitchMessageBuilder.hpp

@@ -64,6 +64,8 @@ public:
                                      MessageBuilder *builder);
     static void hostingSystemMessage(const QString &channelName,
                                      MessageBuilder *builder);
+    static void deletionMessage(const MessagePtr originalMessage,
+                                MessageBuilder *builder);
 
 private:
     void parseUsernameColor() override;

src/singletons/Settings.hpp

@@ -84,6 +84,8 @@ public:
     BoolSetting hideModerated = {"/appearance/messages/hideModerated", false};
     BoolSetting hideModerationActions = {
         "/appearance/messages/hideModerationActions", false};
+    BoolSetting hideDeletionActions = {
+        "/appearance/messages/hideDeletionActions", false};
     BoolSetting colorizeNicknames = {"/appearance/messages/colorizeNicknames",
                                      true};
 

src/widgets/settingspages/GeneralPage.cpp

@@ -597,6 +597,8 @@ void GeneralPage::initLayout(GeneralPageView &layout)
 
     layout.addCheckbox("Show moderation messages", s.hideModerationActions,
                        true);
+    layout.addCheckbox("Show deletions of single messages",
+                       s.hideDeletionActions, true);
     layout.addCheckbox("Colorize users without color set (gray names)",
                        s.colorizeNicknames);
     layout.addCheckbox("Mention users with a comma (User,)",