5 files changed, 122 insertions, 13 deletions
diff --git a/Swift/Controllers/Chat/ChatsManager.cpp b/Swift/Controllers/Chat/ChatsManager.cpp
index db3b3b7..9db343f 100644
--- a/Swift/Controllers/Chat/ChatsManager.cpp
+++ b/Swift/Controllers/Chat/ChatsManager.cpp
@@ -67,7 +67,7 @@
 #include <Swift/Controllers/WhiteboardManager.h>
 #include <Swift/Controllers/XMPPEvents/EventController.h>
 
-BOOST_CLASS_VERSION(Swift::ChatListWindow::Chat, 1)
+BOOST_CLASS_VERSION(Swift::ChatListWindow::Chat, 2)
 
 namespace boost {
 namespace serialization {
@@ -96,6 +96,9 @@ namespace serialization {
         if (version > 0) {
             ar & chat.password;
         }
+        if (version > 1) {
+            ar & chat.inviteesNames;
+        }
     }
 }
 }
@@ -402,6 +405,12 @@ ChatListWindow::Chat ChatsManager::createChatListChatItem(const JID& jid, const
                 ChatListWindow::Chat chat = ChatListWindow::Chat(jid, jid.toString(), activity, unreadCount, type, boost::filesystem::path(), true, privateMessage, nick, password);
                 std::map<std::string, JID> participants = controller->getParticipantJIDs();
                 chat.impromptuJIDs = participants;
+
+                std::map<JID, std::string> participantsNames;
+                for (auto& i : invitees_[jid]) {
+                    participantsNames.emplace(i, roster_->getNameForJID(i));
+                }
+                chat.inviteesNames = participantsNames;
                 return chat;
             }
         }
@@ -488,7 +497,8 @@ void ChatsManager::cleanupPrivateMessageRecents() {
 void ChatsManager::appendRecent(const ChatListWindow::Chat& chat) {
     boost::optional<ChatListWindow::Chat> oldChat = removeExistingChat(chat);
     ChatListWindow::Chat mergedChat = chat;
-    if (oldChat && !oldChat->impromptuJIDs.empty()) {
+    if (oldChat) {
+        mergedChat.inviteesNames.insert(oldChat->inviteesNames.begin(), oldChat->inviteesNames.end());
         mergedChat.impromptuJIDs.insert(oldChat->impromptuJIDs.begin(), oldChat->impromptuJIDs.end());
     }
     recentChats_.push_front(mergedChat);
@@ -497,7 +507,8 @@ void ChatsManager::appendRecent(const ChatListWindow::Chat& chat) {
 void ChatsManager::prependRecent(const ChatListWindow::Chat& chat) {
     boost::optional<ChatListWindow::Chat> oldChat = removeExistingChat(chat);
     ChatListWindow::Chat mergedChat = chat;
-    if (oldChat && !oldChat->impromptuJIDs.empty()) {
+    if (oldChat) {
+        mergedChat.inviteesNames.insert(oldChat->inviteesNames.begin(), oldChat->inviteesNames.end());
         mergedChat.impromptuJIDs.insert(oldChat->impromptuJIDs.begin(), oldChat->impromptuJIDs.end());
     }
     recentChats_.push_back(mergedChat);
@@ -590,6 +601,10 @@ void ChatsManager::handleUIEvent(std::shared_ptr<UIEvent> event) {
         // The room JID is random for new impromptu rooms, or a predefined JID for impromptu rooms resumed from the 'Recent chats' list.
         JID roomJID = createImpromptuMUCEvent->getRoomJID().toString().empty() ? JID(idGenerator_.generateID(), localMUCServiceJID_) : createImpromptuMUCEvent->getRoomJID();
 
+        std::vector<JID> missingJIDsToInvite = createImpromptuMUCEvent->getJIDs();
+        for (const JID& jid : missingJIDsToInvite) {
+            invitees_[roomJID].insert(jid);
+        }
         // join muc
         MUC::ref muc = handleJoinMUCRequest(roomJID, boost::optional<std::string>(), nickResolver_->jidToNick(jid_), false, true, true);
         mucControllers_[roomJID]->onImpromptuConfigCompleted.connect(boost::bind(&ChatsManager::finalizeImpromptuJoin, this, muc, createImpromptuMUCEvent->getJIDs(), createImpromptuMUCEvent->getReason(), boost::optional<JID>()));
diff --git a/Swift/Controllers/Chat/ChatsManager.h b/Swift/Controllers/Chat/ChatsManager.h
index 593624d..6004347 100644
--- a/Swift/Controllers/Chat/ChatsManager.h
+++ b/Swift/Controllers/Chat/ChatsManager.h
@@ -9,6 +9,7 @@
 #include <map>
 #include <memory>
 #include <string>
+#include <set>
 
 #include <Swiften/Base/IDGenerator.h>
 #include <Swiften/Elements/DiscoInfo.h>
@@ -181,5 +182,7 @@ namespace Swift {
             AutoAcceptMUCInviteDecider* autoAcceptMUCInviteDecider_;
             IDGenerator idGenerator_;
             VCardManager* vcardManager_;
+
+            std::map<JID, std::set<JID>> invitees_;
     };
 }
diff --git a/Swift/Controllers/Chat/UnitTest/ChatsManagerTest.cpp b/Swift/Controllers/Chat/UnitTest/ChatsManagerTest.cpp
index bf645d0..52537a9 100644
--- a/Swift/Controllers/Chat/UnitTest/ChatsManagerTest.cpp
+++ b/Swift/Controllers/Chat/UnitTest/ChatsManagerTest.cpp
@@ -16,6 +16,8 @@
 #include <Swiften/Avatars/AvatarMemoryStorage.h>
 #include <Swiften/Avatars/NullAvatarManager.h>
 #include <Swiften/Base/Algorithm.h>
+#include <Swiften/Base/Log.h>
+#include <Swiften/Base/LogSerializers.h>
 #include <Swiften/Client/Client.h>
 #include <Swiften/Client/ClientBlockListManager.h>
 #include <Swiften/Client/DummyStanzaChannel.h>
@@ -52,6 +54,7 @@
 #include <Swift/Controllers/ProfileSettingsProvider.h>
 #include <Swift/Controllers/SettingConstants.h>
 #include <Swift/Controllers/Settings/DummySettingsProvider.h>
+#include <Swift/Controllers/UIEvents/CreateImpromptuMUCUIEvent.h>
 #include <Swift/Controllers/UIEvents/JoinMUCUIEvent.h>
 #include <Swift/Controllers/UIEvents/RequestChatUIEvent.h>
 #include <Swift/Controllers/UIEvents/UIEventStream.h>
@@ -67,6 +70,9 @@
 
 #include <SwifTools/Notifier/Notifier.h>
 
+#include <Swift/QtUI/QtSwiftUtil.h>
+#include <Swiften/MUC/UnitTest/MockMUC.h>
+
 using namespace Swift;
 
 class DummyNotifier : public Notifier {
@@ -137,7 +143,6 @@ class ChatsManagerTest : public CppUnit::TestFixture {
     CPPUNIT_TEST(testCarbonsForwardedOutgoingMessageFromSecondResource);
     CPPUNIT_TEST(testCarbonsForwardedIncomingDuplicates);
 
-
     // Message correction tests
     CPPUNIT_TEST(testChatControllerMessageCorrectionCorrectReplaceID);
     CPPUNIT_TEST(testChatControllerMessageCorrectionIncorrectReplaceID);
@@ -145,6 +150,9 @@ class ChatsManagerTest : public CppUnit::TestFixture {
     CPPUNIT_TEST(testChatControllerMessageCorrectionReplaceByOtherResource);
     CPPUNIT_TEST(testMUCControllerMessageCorrectionNoIDMatchRequired);
 
+    //Imptomptu test
+    CPPUNIT_TEST(testImpromptuChatTitle);
+
     CPPUNIT_TEST_SUITE_END();
 
 public:
@@ -1503,6 +1511,69 @@ public:
         CPPUNIT_ASSERT_EQUAL(std::string("Some correctly spelled message."), window->bodyFromMessage(window->lastReplacedMessage_));
     }
 
+    void testImpromptuChatTitle() {
+        stanzaChannel_->uniqueIDs_ = true;
+        JID mucJID("795B7BBE-9099-4A0D-81BA-C816F78E275C@test.com");
+        manager_->setOnline(true);
+
+        // Open chat window to a sender.
+        MockChatWindow* window = new MockChatWindow();
+        std::shared_ptr<IQ> infoRequest = std::dynamic_pointer_cast<IQ>(stanzaChannel_->sentStanzas[1]);
+        CPPUNIT_ASSERT(infoRequest);
+
+        std::shared_ptr<IQ> infoResponse = IQ::createResult(infoRequest->getFrom(), infoRequest->getTo(), infoRequest->getID());
+
+        DiscoInfo info;
+        info.addIdentity(DiscoInfo::Identity("Shakespearean Chat Service", "conference", "text"));
+        info.addFeature("http://jabber.org/protocol/muc");
+        infoResponse->addPayload(std::make_shared<DiscoInfo>(info));
+        stanzaChannel_->onIQReceived(infoResponse);
+
+        std::vector<JID> jids;
+        jids.emplace_back("foo@test.com");
+        jids.emplace_back("bar@test.com");
+
+        mocks_->ExpectCall(chatWindowFactory_, ChatWindowFactory::createChatWindow).With(mucJID, uiEventStream_).Return(window);
+        uiEventStream_->send(std::make_shared<CreateImpromptuMUCUIEvent>(jids, mucJID, ""));
+        CPPUNIT_ASSERT_EQUAL(std::string("bar@test.com, foo@test.com"), manager_->getRecentChats()[0].getTitle());
+
+        auto mucJoinPresence = std::dynamic_pointer_cast<Presence>(stanzaChannel_->sentStanzas[2]);
+        CPPUNIT_ASSERT(mucJoinPresence);
+
+        // MUC presence reply
+        auto mucResponse = Presence::create();
+        mucResponse->setTo(jid_);
+        mucResponse->setFrom(mucJoinPresence->getTo());
+        mucResponse->addPayload([]() {
+            auto mucUser = std::make_shared<MUCUserPayload>();
+            mucUser->addItem(MUCItem(MUCOccupant::Member, MUCOccupant::Participant));
+            mucUser->addStatusCode(MUCUserPayload::StatusCode(110));
+            mucUser->addStatusCode(MUCUserPayload::StatusCode(210));
+            return mucUser;
+        }());
+        stanzaChannel_->onPresenceReceived(mucResponse);
+
+        // Before people join the impromptu room, the title is based on names coming from Roster
+        CPPUNIT_ASSERT_EQUAL(std::string("bar@test.com, foo@test.com"), manager_->getRecentChats()[0].getTitle());
+
+        auto mucParticipantJoined = [&](const JID& jid) {
+            auto participantJoinedPresence = Presence::create();
+            participantJoinedPresence->setTo(jid_);
+            participantJoinedPresence->setFrom(mucJID.withResource(jid.toString()));
+            auto mucUser = std::make_shared<MUCUserPayload>();
+            mucUser->addItem(MUCItem(MUCOccupant::Member, MUCOccupant::Participant));
+            participantJoinedPresence->addPayload(mucUser);
+            return participantJoinedPresence;
+        };
+
+        for (const auto& participantJID : jids) {
+            stanzaChannel_->onPresenceReceived(mucParticipantJoined(participantJID));
+        }
+
+        // After people joined, the title is the list of participant nicknames or names coming from Roster (if nicknames are unavailable)
+        CPPUNIT_ASSERT_EQUAL(std::string("bar@test.com, foo@test.com"), manager_->getRecentChats()[0].getTitle());
+    }
+
 
 private:
     std::shared_ptr<Message> makeDeliveryReceiptTestMessage(const JID& from, const std::string& id) {
diff --git a/Swift/Controllers/UIInterfaces/ChatListWindow.h b/Swift/Controllers/UIInterfaces/ChatListWindow.h
index dde596e..29097e9 100644
--- a/Swift/Controllers/UIInterfaces/ChatListWindow.h
+++ b/Swift/Controllers/UIInterfaces/ChatListWindow.h
@@ -11,9 +11,12 @@
 #include <memory>
 #include <set>
 
+
+#include <boost/algorithm/string/join.hpp>
 #include <boost/filesystem/path.hpp>
 #include <boost/signals2.hpp>
 
+#include <Swiften/Base/Algorithm.h>
 #include <Swiften/Elements/StatusShow.h>
 #include <Swiften/MUC/MUCBookmark.h>
 
@@ -31,6 +34,9 @@ namespace Swift {
                             return jid.toBare() == other.jid.toBare()
                                     && isMUC == other.isMUC;
                         }
+                        if (chatName == other.chatName) {
+                            return true;
+                        }
                         else { /* compare the chat occupant lists */
                             for (const auto& jid : impromptuJIDs) {
                                 bool found = false;
@@ -44,7 +50,7 @@ namespace Swift {
                                     return false;
                                 }
                             }
-                            return true;
+                            return key_compare(inviteesNames, other.inviteesNames);
                         }
                     }
                     void setUnreadCount(int unread) {
@@ -57,15 +63,28 @@ namespace Swift {
                         avatarPath = path;
                     }
                     std::string getImpromptuTitle() const {
-                        std::string title;
-                        for (auto& pair : impromptuJIDs) {
-                            if (title.empty()) {
-                                title += pair.first;
-                            } else {
-                                title += ", " + pair.first;
+                        std::set<std::string> participants;
+                        std::map<JID, std::string> participantsMap;
+
+                        for (auto& pair : inviteesNames) {
+                            if (!pair.second.empty()) {
+                                participantsMap[pair.first] = pair.second;
                             }
+                            else {
+                                participantsMap[pair.first] = pair.first.toString();
+                            }
+                        }
+                        for (auto& pair : impromptuJIDs) {
+                            participantsMap[pair.second] = pair.first;
                         }
-                        return title;
+                        for (auto& participant : participantsMap) {
+                            participants.insert(participant.second);
+                        }
+                        return boost::algorithm::join(participants, ", ");
+                    }
+                    std::string getTitle() const {
+                        std::string title = getImpromptuTitle();
+                        return title.empty() ? chatName : title;
                     }
                     JID jid;
                     std::string chatName;
@@ -77,6 +96,7 @@ namespace Swift {
                     int unreadCount;
                     boost::filesystem::path avatarPath;
                     std::map<std::string, JID> impromptuJIDs;
+                    std::map<JID, std::string> inviteesNames;
                     bool isPrivateMessage;
             };
             virtual ~ChatListWindow();
diff --git a/Swift/QtUI/ChatList/ChatListRecentItem.cpp b/Swift/QtUI/ChatList/ChatListRecentItem.cpp
index faac937..9e55e1b 100644
--- a/Swift/QtUI/ChatList/ChatListRecentItem.cpp
+++ b/Swift/QtUI/ChatList/ChatListRecentItem.cpp
@@ -22,7 +22,7 @@ const ChatListWindow::Chat& ChatListRecentItem::getChat() const {
 
 QVariant ChatListRecentItem::data(int role) const {
     switch (role) {
-        case Qt::DisplayRole: return chat_.impromptuJIDs.empty() ? P2QSTRING(chat_.chatName) : P2QSTRING(chat_.getImpromptuTitle());
+        case Qt::DisplayRole: return P2QSTRING(chat_.getTitle());
         case DetailTextRole: return P2QSTRING(chat_.activity);
         case Qt::TextColorRole: return QColor(89,89,89);
         /*case Qt::BackgroundColorRole: return backgroundColor_;