conversationlistmodelbase: add presences for swarm

If one contact is present in a conversation, the smartlist should
show a green dot.

GitLab: #670
Change-Id: I1608279e7f91d37c30343cc1d78824f6aa7bda8f

src/conversationlistmodelbase.cpp

@@ -144,6 +144,18 @@ ConversationListModelBase::dataForItem(item_t item, int role) const
     }
     case Role::ReadOnly:
         return QVariant(item.readOnly);
+    case Role::Presence: {
+        // The conversation can show a green dot if at least one peer is present
+        Q_FOREACH (const auto& peerUri, model_->peersForConversation(item.uid))
+            try {
+                auto& accInfo = lrcInstance_->getCurrentAccountInfo();
+                auto contact = accInfo.contactModel->getContact(peerUri);
+                if (contact.isPresent)
+                    return true;
+            } catch (const std::exception&) {
+            }
+        return false;
+    };
     default:
         break;
     }
@@ -167,8 +179,6 @@ ConversationListModelBase::dataForItem(item_t item, int role) const
         switch (role) {
         case Role::BestId:
             return QVariant(contactModel->bestIdForContact(peerUri));
-        case Role::Presence:
-            return QVariant(contact.isPresent);
         case Role::Alias:
             return QVariant(contact.profileInfo.alias);
         case Role::RegisteredName:

src/mainview/components/SidePanel.qml

@@ -83,8 +83,8 @@ Rectangle {
             newHm = Array.from(newHm).filter(r => r.convId !== convId)
         }
 
-        // We can't have more than 8 participants yet.
-        if (newHm.length > 8) {
+        // We can't have more than 8 participants yet. (7 + self)
+        if (newHm.length > 7) {
             return false
         }
 
@@ -308,7 +308,7 @@ Rectangle {
             text: {
                 if (highlightedMembers.length === 0)
                     return JamiStrings.youCanAdd8
-                return JamiStrings.youCanAddMore.arg(8 - Math.min(highlightedMembers.length, 8))
+                return JamiStrings.youCanAddMore.arg(7 - Math.min(highlightedMembers.length, 7))
             }
             color: JamiTheme.textColor
         }