fix(src/components/chat/ChatProxyModel): increment properly visible messages number

tests/src/components/chat/ChatModel.cpp

@@ -83,6 +83,8 @@ ChatModel::ChatModel (QObject *parent) : QAbstractListModel(parent) {
       if (m_chat_room == message->getChatRoom()) {
         insertMessageAtEnd(message);
         m_chat_room->markAsRead();
+
+        emit messageReceived(message);
       }
     }
   );

tests/src/components/chat/ChatModel.hpp

@@ -72,7 +72,8 @@ signals:
   void sipAddressChanged (const QString &sip_address);
   void allEntriesRemoved ();
 
-  void messageSent (std::shared_ptr<linphone::ChatMessage> &message);
+  void messageSent (const std::shared_ptr<linphone::ChatMessage> &message);
+  void messageReceived (const std::shared_ptr<linphone::ChatMessage> &message);
 
 private:
   void fillMessageEntry (

tests/src/components/chat/ChatProxyModel.cpp

@@ -27,6 +27,20 @@ const unsigned int ChatProxyModel::ENTRIES_CHUNK_SIZE = 50;
 
 ChatProxyModel::ChatProxyModel (QObject *parent) : QSortFilterProxyModel(parent) {
   setSourceModel(&m_chat_model_filter);
+
+  ChatModel *chat = static_cast<ChatModel *>(m_chat_model_filter.sourceModel());
+
+  QObject::connect(
+    chat, &ChatModel::messageReceived, this, [this](const shared_ptr<linphone::ChatMessage> &) {
+      m_n_max_displayed_entries++;
+    }
+  );
+
+  QObject::connect(
+    chat, &ChatModel::messageSent, this, [this](const shared_ptr<linphone::ChatMessage> &) {
+      m_n_max_displayed_entries++;
+    }
+  );
 }
 
 void ChatProxyModel::loadMoreEntries () {
@@ -42,7 +56,6 @@ void ChatProxyModel::loadMoreEntries () {
     invalidateFilter();
 
     count = rowCount() - count;
-
     if (count > 0)
       emit moreEntriesLoaded(count);
   }