offline avatars in mucs

CHANGELOG.md

@@ -14,6 +14,7 @@
 - going offline related segfault fix
 - statuses now behave better: they wrap if they don't fit, you can select them, you can follow links from there
 - messages and statuses don't loose content if you use < ore > symbols
+- now avatars of those who are not in the MUC right now but was also display next to the message
 
 
 ## Squawk 0.1.3 (Mar 31, 2020)

core/account.cpp

@@ -1063,6 +1063,7 @@ void Core::Account::onContactHistoryResponse(const std::list<Shared::Message>& l
 
 void Core::Account::onClientError(QXmppClient::Error err)
 {
+    qDebug() << "Error";
     QString errorText;
     QString errorType;
     switch (err) {
@@ -1140,6 +1141,9 @@ void Core::Account::onClientError(QXmppClient::Error err)
                 case QXmppStanza::Error::UnexpectedRequest:
                     errorText = "Unexpected request";
                     break;
+                case QXmppStanza::Error::PolicyViolation:
+                    errorText = "Policy violation";
+                    break;
             }
          
             errorType = "Client stream error";
@@ -1367,7 +1371,8 @@ void Core::Account::addNewRoom(const QString& jid, const QString& nick, const QS
         {"autoJoin", conf->getAutoJoin()},
         {"joined", conf->getJoined()},
         {"nick", conf->getNick()},
-        {"name", conf->getName()}
+        {"name", conf->getName()},
+        {"avatars", conf->getAllAvatars()}
     };
     
     Archive::AvatarInfo info;

core/archive.cpp

@@ -675,7 +675,7 @@ bool Core::Archive::dropAvatar(const std::string& resource)
     }
 }
 
-bool Core::Archive::setAvatar(const QByteArray& data, bool generated, const QString& resource)
+bool Core::Archive::setAvatar(const QByteArray& data, AvatarInfo& newInfo, bool generated, const QString& resource)
 {
     if (!opened) {
         throw Closed("setAvatar", jid.toStdString());
@@ -726,7 +726,9 @@ bool Core::Archive::setAvatar(const QByteArray& data, bool generated, const QStr
             
             MDB_val lmdbKey, lmdbData;
             QByteArray value;
-            AvatarInfo newInfo(ext, newHash, generated);
+            newInfo.type = ext;
+            newInfo.hash = newHash;
+            newInfo.autogenerated = generated;
             newInfo.serialize(&value);
             lmdbKey.mv_size = res.size();
             lmdbKey.mv_data = (char*)res.c_str();
@@ -802,6 +804,33 @@ bool Core::Archive::readAvatarInfo(Core::Archive::AvatarInfo& target, const std:
     }
 }
 
+void Core::Archive::readAllResourcesAvatars(std::map<QString, AvatarInfo>& data) const
+{
+    if (!opened) {
+        throw Closed("readAllResourcesAvatars", jid.toStdString());
+    }
+    
+    int rc;
+    MDB_val lmdbKey, lmdbData;
+    MDB_txn *txn;
+    MDB_cursor* cursor;
+    mdb_txn_begin(environment, NULL, MDB_RDONLY, &txn);
+    mdb_cursor_open(txn, avatars, &cursor);
+    rc = mdb_cursor_get(cursor, &lmdbKey, &lmdbData, MDB_FIRST);
+    
+    do {
+        std::string sId((char*)lmdbKey.mv_data, lmdbKey.mv_size);
+        QString res(sId.c_str());
+        if (res != jid) {
+            data.emplace(res, AvatarInfo());
+            data[res].deserialize((char*)lmdbData.mv_data, lmdbData.mv_size);
+        }
+    } while (mdb_cursor_get(cursor, &lmdbKey, &lmdbData, MDB_NEXT) == 0);
+    
+    mdb_cursor_close(cursor);
+    mdb_txn_abort(txn);
+}
+
 Core::Archive::AvatarInfo Core::Archive::getAvatarInfo(const QString& resource) const
 {
     if (!opened) {

core/archive.h

@@ -56,9 +56,10 @@ public:
     std::list<Shared::Message> getBefore(int count, const QString& id);
     bool isFromTheBeginning();
     void setFromTheBeginning(bool is);
-    bool setAvatar(const QByteArray& data, bool generated = false, const QString& resource = "");
+    bool setAvatar(const QByteArray& data, AvatarInfo& info, bool generated = false, const QString& resource = "");
     AvatarInfo getAvatarInfo(const QString& resource = "") const;
     bool readAvatarInfo(AvatarInfo& target, const QString& resource = "") const;
+    void readAllResourcesAvatars(std::map<QString, AvatarInfo>& data) const;
     
 public:
     const QString jid;

core/conference.cpp

@@ -25,7 +25,8 @@ Core::Conference::Conference(const QString& p_jid, const QString& p_account, boo
     nick(p_nick),
     room(p_room),
     joined(false),
-    autoJoin(p_autoJoin)
+    autoJoin(p_autoJoin),
+    exParticipants()
 {
     muc = true;
     name = p_name;
@@ -44,6 +45,8 @@ Core::Conference::Conference(const QString& p_jid, const QString& p_account, boo
     if (autoJoin) {
         room->join();
     }
+    
+    archive->readAllResourcesAvatars(exParticipants);
 }
 
 Core::Conference::~Conference()
@@ -140,8 +143,8 @@ void Core::Conference::onRoomParticipantAdded(const QString& p_name)
         resource = "";
     } 
     
-    Archive::AvatarInfo info;
+    std::map<QString, Archive::AvatarInfo>::const_iterator itr = exParticipants.find(resource);
-    bool hasAvatar = readAvatarInfo(info, resource);
+    bool hasAvatar = itr != exParticipants.end();
     
     if (resource.size() > 0) {
         QDateTime lastInteraction = pres.lastUserInteraction();
@@ -158,12 +161,12 @@ void Core::Conference::onRoomParticipantAdded(const QString& p_name)
         };
         
         if (hasAvatar) {
-            if (info.autogenerated) {
+            if (itr->second.autogenerated) {
                 cData.insert("avatarState", static_cast<uint>(Shared::Avatar::valid));
             } else {
                 cData.insert("avatarState", static_cast<uint>(Shared::Avatar::autocreated));
             }
-            cData.insert("avatarPath", avatarPath(resource) + "." + info.type);
+            cData.insert("avatarPath", avatarPath(resource) + "." + itr->second.type);
         } else {
             cData.insert("avatarState", static_cast<uint>(Shared::Avatar::empty));
             cData.insert("avatarPath", "");
@@ -179,14 +182,14 @@ void Core::Conference::onRoomParticipantAdded(const QString& p_name)
         case QXmppPresence::VCardUpdateNotReady:        //let's say the photo didn't change here
             break;
         case QXmppPresence::VCardUpdateNoPhoto: {       //there is no photo, need to drop if any
-            if (!hasAvatar || !info.autogenerated) {
+            if (!hasAvatar || !itr->second.autogenerated) {
                 setAutoGeneratedAvatar(resource);
             }
         }         
         break;
         case QXmppPresence::VCardUpdateValidPhoto:{     //there is a photo, need to load
             if (hasAvatar) {
-                if (info.autogenerated || info.hash != pres.photoHash()) {
+                if (itr->second.autogenerated || itr->second.hash != pres.photoHash()) {
                     emit requestVCard(p_name);
                 }
             } else {
@@ -285,30 +288,46 @@ void Core::Conference::handlePresence(const QXmppPresence& pres)
 
 bool Core::Conference::setAutoGeneratedAvatar(const QString& resource)
 {
-    bool result = RosterItem::setAutoGeneratedAvatar(resource);
+    Archive::AvatarInfo newInfo;
+    bool result = RosterItem::setAutoGeneratedAvatar(newInfo, resource);
     if (result && resource.size() != 0) {
+        std::map<QString, Archive::AvatarInfo>::iterator itr = exParticipants.find(resource);
+        if (itr == exParticipants.end()) {
+            exParticipants.insert(std::make_pair(resource, newInfo));
+        } else {
+            itr->second = newInfo;
+        }
         emit changeParticipant(resource, {
             {"avatarState", static_cast<uint>(Shared::Avatar::autocreated)},
-            {"avatarPath", avatarPath(resource) + ".png"}
+            {"avatarPath", avatarPath(resource) + "." + newInfo.type}
         });
     }
     
     return result;
 }
 
-bool Core::Conference::setAvatar(const QByteArray& data, const QString& resource)
+bool Core::Conference::setAvatar(const QByteArray& data, Archive::AvatarInfo& info, const QString& resource)
 {
-    bool result = RosterItem::setAvatar(data, resource);
+    bool result = RosterItem::setAvatar(data, info, resource);
     if (result && resource.size() != 0) {
         if (data.size() > 0) {
-            QMimeDatabase db;
+            std::map<QString, Archive::AvatarInfo>::iterator itr = exParticipants.find(resource);
-            QMimeType type = db.mimeTypeForData(data);
+            if (itr == exParticipants.end()) {
-            QString ext = type.preferredSuffix();
+                exParticipants.insert(std::make_pair(resource, info));
+            } else {
+                itr->second = info;
+            }
+            
             emit changeParticipant(resource, {
                 {"avatarState", static_cast<uint>(Shared::Avatar::autocreated)},
-                {"avatarPath", avatarPath(resource) + "." + ext}
+                {"avatarPath", avatarPath(resource) + "." + info.type}
             });
         } else {
+            std::map<QString, Archive::AvatarInfo>::iterator itr = exParticipants.find(resource);
+            if (itr != exParticipants.end()) {
+                exParticipants.erase(itr);
+            }
+            
             emit changeParticipant(resource, {
                 {"avatarState", static_cast<uint>(Shared::Avatar::empty)},
                 {"avatarPath", ""}
@@ -333,3 +352,12 @@ Shared::VCard Core::Conference::handleResponseVCard(const QXmppVCardIq& card, co
     
     return result;
 }
+
+QMap<QString, QVariant> Core::Conference::getAllAvatars() const
+{
+    QMap<QString, QVariant> result;
+    for (const std::pair<QString, Archive::AvatarInfo>& pair : exParticipants) {
+        result.insert(pair.first, avatarPath(pair.first) + "." + pair.second.type);
+    }
+    return result;
+}

core/conference.h

@@ -19,9 +19,15 @@
 #ifndef CORE_CONFERENCE_H
 #define CORE_CONFERENCE_H
 
-#include "rosteritem.h"
+#include <QDir>
+
 #include <QXmppMucManager.h>
 
+#include <set>
+
+#include "rosteritem.h"
+#include "shared/global.h"
+
 namespace Core
 {
 
@@ -46,8 +52,8 @@ public:
     void setAutoJoin(bool p_autoJoin);
     void handlePresence(const QXmppPresence & pres) override;
     bool setAutoGeneratedAvatar(const QString& resource = "") override;
-    bool setAvatar(const QByteArray &data, const QString &resource = "") override;
     Shared::VCard handleResponseVCard(const QXmppVCardIq & card, const QString &resource) override;
+    QMap<QString, QVariant> getAllAvatars() const;
     
 signals:
     void nickChanged(const QString& nick);
@@ -58,11 +64,16 @@ signals:
     void changeParticipant(const QString& name, const QMap<QString, QVariant>& data);
     void removeParticipant(const QString& name);
     
+protected:
+    bool setAvatar(const QByteArray &data, Archive::AvatarInfo& info, const QString &resource = "") override;
+    
 private:
     QString nick;
     QXmppMucRoom* room;
     bool joined;
     bool autoJoin;
+    std::map<QString, Archive::AvatarInfo> exParticipants;
+    static const std::set<QString> supportedList;
     
 private slots:
     void onRoomJoined();

core/rosteritem.cpp

@@ -410,28 +410,37 @@ bool Core::RosterItem::isMuc() const
 
 QString Core::RosterItem::avatarPath(const QString& resource) const
 {
-    QString path(QStandardPaths::writableLocation(QStandardPaths::CacheLocation));
+    QString path = folderPath() + "/" + (resource.size() == 0 ? jid : resource);
-    path += "/" + account + "/" + jid + "/" + (resource.size() == 0 ? jid : resource);
     return path;
 }
 
-bool Core::RosterItem::setAvatar(const QByteArray& data, const QString& resource)
+QString Core::RosterItem::folderPath() const
 {
-    bool result = archive->setAvatar(data, false, resource);
+    QString path(QStandardPaths::writableLocation(QStandardPaths::CacheLocation));
+    path += "/" + account + "/" + jid;
+    return path;
+}
+
+bool Core::RosterItem::setAvatar(const QByteArray& data, Archive::AvatarInfo& info, const QString& resource)
+{
+    bool result = archive->setAvatar(data, info, false, resource);
     if (resource.size() == 0 && result) {
         if (data.size() == 0) {
             emit avatarChanged(Shared::Avatar::empty, "");
         } else {
-            QMimeDatabase db;
+            emit avatarChanged(Shared::Avatar::valid, avatarPath(resource) + "." + info.type);
-            QMimeType type = db.mimeTypeForData(data);
-            QString ext = type.preferredSuffix();
-            emit avatarChanged(Shared::Avatar::valid, avatarPath(resource) + "." + ext);
         }
     }
     return result;
 }
 
 bool Core::RosterItem::setAutoGeneratedAvatar(const QString& resource)
+{
+    Archive::AvatarInfo info;
+    return setAutoGeneratedAvatar(info, resource);
+}
+
+bool Core::RosterItem::setAutoGeneratedAvatar(Archive::AvatarInfo& info, const QString& resource)
 {
     QImage image(96, 96, QImage::Format_ARGB32_Premultiplied);
     QPainter painter(&image);
@@ -453,7 +462,7 @@ bool Core::RosterItem::setAutoGeneratedAvatar(const QString& resource)
     stream.open(QBuffer::WriteOnly);
     image.save(&stream, "PNG");
     stream.close();
-    bool result = archive->setAvatar(arr, true, resource);
+    bool result = archive->setAvatar(arr, info, true, resource);
     if (resource.size() == 0 && result) {
         emit avatarChanged(Shared::Avatar::autocreated, avatarPath(resource) + ".png");
     }
@@ -468,6 +477,7 @@ bool Core::RosterItem::readAvatarInfo(Archive::AvatarInfo& target, const QString
 Shared::VCard Core::RosterItem::handleResponseVCard(const QXmppVCardIq& card, const QString& resource)
 {
     Archive::AvatarInfo info;
+    Archive::AvatarInfo newInfo;
     bool hasAvatar = readAvatarInfo(info, resource);
     
     QByteArray ava = card.photo();
@@ -477,13 +487,10 @@ Shared::VCard Core::RosterItem::handleResponseVCard(const QXmppVCardIq& card, co
     QString path = "";
     
     if (ava.size() > 0) {
-        bool changed = setAvatar(ava, resource);
+        bool changed = setAvatar(ava, newInfo, resource);
         if (changed) {
             type = Shared::Avatar::valid;
-            QMimeDatabase db;
+            path = avatarPath(resource) + "." + newInfo.type;
-            QMimeType type = db.mimeTypeForData(ava);
-            QString ext = type.preferredSuffix();
-            path = avatarPath(resource) + "." + ext;
         } else if (hasAvatar) {
             if (info.autogenerated) {
                 type = Shared::Avatar::autocreated;

core/rosteritem.h

@@ -69,8 +69,8 @@ public:
     void requestHistory(int count, const QString& before);
     void requestFromEmpty(int count, const QString& before);
     QString avatarPath(const QString& resource = "") const;
+    QString folderPath() const;
     bool readAvatarInfo(Archive::AvatarInfo& target, const QString& resource = "") const;
-    virtual bool setAvatar(const QByteArray& data, const QString& resource = "");
     virtual bool setAutoGeneratedAvatar(const QString& resource = "");
     virtual Shared::VCard handleResponseVCard(const QXmppVCardIq& card, const QString& resource);
     virtual void handlePresence(const QXmppPresence& pres) = 0;
@@ -89,6 +89,10 @@ public:
     const QString jid;
     const QString account;
     
+protected:
+    virtual bool setAvatar(const QByteArray& data, Archive::AvatarInfo& info, const QString& resource = "");
+    virtual bool setAutoGeneratedAvatar(Archive::AvatarInfo& info, const QString& resource = "");
+    
 protected:
     QString name;
     ArchiveState archiveState;

shared/global.cpp

@@ -21,6 +21,7 @@
 #include "enums.h"
 
 Shared::Global* Shared::Global::instance = 0;
+const std::set<QString> Shared::Global::supportedImagesExts = {"png", "jpg", "webp", "jpeg", "gif", "svg"};
 
 Shared::Global::Global():
     availability({

shared/global.h

@@ -24,6 +24,8 @@
 #include "exception.h"
 
 #include <map>
+#include <set>
+#include <deque>
 
 #include <QCoreApplication>
 #include <QDebug>
@@ -60,6 +62,8 @@ namespace Shared {
         static bool supported(const QString& pluginName);
         static void setSupported(const QString& pluginName, bool support);
         
+        static const std::set<QString> supportedImagesExts;
+        
         template<typename T>
         static T fromInt(int src);
         

ui/models/room.cpp

@@ -32,7 +32,8 @@ Models::Room::Room(const QString& p_jid, const QMap<QString, QVariant>& data, Mo
     avatarState(Shared::Avatar::empty),
     avatarPath(""),
     messages(),
-    participants()
+    participants(),
+    exParticipantAvatars()
 {
     QMap<QString, QVariant>::const_iterator itr = data.find("autoJoin");
     if (itr != data.end()) {
@@ -62,6 +63,15 @@ Models::Room::Room(const QString& p_jid, const QMap<QString, QVariant>& data, Mo
     if (itr != data.end()) {
         setAvatarPath(itr.value().toString());
     }
+    
+    
+    itr = data.find("avatars");
+    if (itr != data.end()) {
+        QMap<QString, QVariant> avs = itr.value().toMap();
+        for (QMap<QString, QVariant>::const_iterator itr = avs.begin(), end = avs.end(); itr != end; ++itr) {
+            exParticipantAvatars.insert(std::make_pair(itr.key(), itr.value().toString()));
+        }
+    }
 }
 
 Models::Room::~Room()
@@ -284,6 +294,11 @@ void Models::Room::addParticipant(const QString& p_name, const QMap<QString, QVa
         qDebug() << "An attempt to add already existing participant" << p_name << "to the room" << name << ", updating instead";
         handleParticipantUpdate(itr, data);
     } else {
+        std::map<QString, QString>::const_iterator eitr = exParticipantAvatars.find(name);
+        if (eitr != exParticipantAvatars.end()) {
+            exParticipantAvatars.erase(eitr);
+        }
+        
         Participant* part = new Participant(data);
         part->setName(p_name);
         participants.insert(std::make_pair(p_name, part));
@@ -311,6 +326,11 @@ void Models::Room::removeParticipant(const QString& p_name)
         Participant* p = itr->second;
         participants.erase(itr);
         removeChild(p->row());
+        
+        if (p->getAvatarState() != Shared::Avatar::empty) {
+            exParticipantAvatars.insert(std::make_pair(p_name, p->getAvatarPath()));
+        }
+        
         p->deleteLater();
         emit participantLeft(p_name);
     }
@@ -408,3 +428,8 @@ QString Models::Room::getParticipantIconPath(const QString& name) const
     
     return itr->second->getAvatarPath();
 }
+
+std::map<QString, QString> Models::Room::getExParticipantAvatars() const
+{
+    return exParticipantAvatars;
+}

ui/models/room.h

@@ -75,6 +75,7 @@ public:
     QString getAvatarPath() const;
     std::map<QString, const Participant&> getParticipants() const;
     QString getParticipantIconPath(const QString& name) const;
+    std::map<QString, QString> getExParticipantAvatars() const;
     
 signals:
     void participantJoined(const Participant& participant);
@@ -99,6 +100,7 @@ private:
     QString avatarPath;
     Messages messages;
     std::map<QString, Participant*> participants;
+    std::map<QString, QString> exParticipantAvatars;
 
 };
 

ui/utils/messageline.cpp

@@ -29,6 +29,7 @@ MessageLine::MessageLine(bool p_room, QWidget* parent):
     palMessages(),
     uploadPaths(),
     palAvatars(),
+    exPalAvatars(),
     layout(new QVBoxLayout(this)),
     myName(),
     myAvatarPath(),
@@ -80,6 +81,11 @@ MessageLine::Position MessageLine::message(const Shared::Message& msg, bool forc
                 std::map<QString, QString>::iterator aItr = palAvatars.find(sender);
                 if (aItr != palAvatars.end()) {
                     aPath = aItr->second;
+                } else {
+                    aItr = exPalAvatars.find(sender);
+                    if (aItr != exPalAvatars.end()) {
+                        aPath = aItr->second;
+                    }
                 }
                 outgoing = false;
             }
@@ -248,6 +254,11 @@ void MessageLine::setPalAvatar(const QString& jid, const QString& path)
     std::map<QString, QString>::iterator itr = palAvatars.find(jid);
     if (itr == palAvatars.end()) {
         palAvatars.insert(std::make_pair(jid, path));
+        
+        std::map<QString, QString>::const_iterator eitr = exPalAvatars.find(jid);
+        if (eitr != exPalAvatars.end()) {
+            exPalAvatars.erase(eitr);
+        }
     } else {
         itr->second = path;
     }
@@ -265,6 +276,12 @@ void MessageLine::dropPalAvatar(const QString& jid)
     std::map<QString, QString>::iterator itr = palAvatars.find(jid);
     if (itr != palAvatars.end()) {
         palAvatars.erase(itr);
+    }
+    
+    std::map<QString, QString>::const_iterator eitr = exPalAvatars.find(jid);
+    if (eitr != exPalAvatars.end()) {
+        exPalAvatars.erase(eitr);
+    }
     
     std::map<QString, Index>::iterator pItr = palMessages.find(jid);
     if (pItr != palMessages.end()) {
@@ -273,6 +290,20 @@ void MessageLine::dropPalAvatar(const QString& jid)
         }
     }
 }
+
+void MessageLine::movePalAvatarToEx(const QString& name)
+{
+    std::map<QString, QString>::iterator itr = palAvatars.find(name);
+    if (itr != palAvatars.end()) {
+        std::map<QString, QString>::iterator eitr = exPalAvatars.find(name);
+        if (eitr != exPalAvatars.end()) {
+            eitr->second = itr->second;
+        } else {
+            exPalAvatars.insert(std::make_pair(name, itr->second));
+        }
+        
+        palAvatars.erase(itr);
+    }
 }
 
 void MessageLine::resizeEvent(QResizeEvent* event)
@@ -459,3 +490,19 @@ void MessageLine::setMyAvatarPath(const QString& p_path)
         }
     }
 }
+
+void MessageLine::setExPalAvatars(const std::map<QString, QString>& data)
+{
+    exPalAvatars = data;
+    
+    for (const std::pair<QString, Index>& pair : palMessages) {
+        if (palAvatars.find(pair.first) == palAvatars.end()) {
+            std::map<QString, QString>::const_iterator eitr = exPalAvatars.find(pair.first);
+            if (eitr != exPalAvatars.end()) {
+                for (const std::pair<QString, Message*>& mp : pair.second) {
+                    mp.second->setAvatarPath(eitr->second);
+                }
+            }
+        }
+    }
+}

ui/utils/messageline.h

@@ -59,6 +59,8 @@ public:
     void setPalAvatar(const QString& jid, const QString& path);
     void dropPalAvatar(const QString& jid);
     void changeMessage(const QString& id, const QMap<QString, QVariant>& data);
+    void setExPalAvatars(const std::map<QString, QString>& data);
+    void movePalAvatarToEx(const QString& name);
     
 signals:
     void resize(int amount);
@@ -90,6 +92,7 @@ private:
     std::map<QString, Index> palMessages;
     std::map<QString, QString> uploadPaths;
     std::map<QString, QString> palAvatars;
+    std::map<QString, QString> exPalAvatars;
     QVBoxLayout* layout;
     
     QString myName;

ui/widgets/conversation.cpp

@@ -92,6 +92,16 @@ Conversation::Conversation(bool muc, Models::Account* acc, const QString pJid, c
     line->setMyAvatarPath(acc->getAvatarPath());
     line->setMyName(acc->getName());
     
+    QFont nf = m_ui->nameLabel->font();
+    nf.setBold(true);
+    nf.setPointSize(nf.pointSize() + 2);
+    m_ui->nameLabel->setFont(nf);
+    
+    QFont sf = statusLabel->font();
+    sf.setItalic(true);
+    sf.setPointSize(sf.pointSize() - 2);
+    statusLabel->setFont(sf);
+    
     applyVisualEffects();
 }
 

ui/widgets/room.cpp

@@ -38,6 +38,8 @@ Room::Room(Models::Account* acc, Models::Room* p_room, QWidget* parent):
             line->setPalAvatar(pair.first, aPath);
         }
     }
+    
+    line->setExPalAvatars(room->getExParticipantAvatars());
 }
 
 Room::~Room()
@@ -104,5 +106,5 @@ void Room::onParticipantJoined(const Models::Participant& participant)
 
 void Room::onParticipantLeft(const QString& name)
 {
-    line->dropPalAvatar(name);
+    line->movePalAvatarToEx(name);
 }