removed own VCard request at the start if the presence doesn't show that the avatar changed, little refactoring

core/handlers/CMakeLists.txt

@@ -5,4 +5,6 @@ target_sources(squawk PRIVATE
   rosterhandler.h
   vcardhandler.cpp
   vcardhandler.h
+  discoveryhandler.cpp
+  discoveryhandler.h
   )

core/handlers/discoveryhandler.cpp

@@ -0,0 +1,135 @@
+// Squawk messenger. 
+// Copyright (C) 2019  Yury Gubich <blue@macaw.me>
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "discoveryhandler.h"
+#include "core/account.h"
+
+#include <QDebug>
+
+Core::DiscoveryHandler::DiscoveryHandler(Core::Account* account):
+    QObject(),
+    acc(account)
+{
+    QObject::connect(acc->dm, &QXmppDiscoveryManager::itemsReceived, this, &DiscoveryHandler::onItemsReceived);
+    QObject::connect(acc->dm, &QXmppDiscoveryManager::infoReceived, this, &DiscoveryHandler::onInfoReceived);
+
+    acc->dm->setClientType("pc");
+    acc->dm->setClientCategory("client");
+    acc->dm->setClientName(qApp->applicationDisplayName() + " " + qApp->applicationVersion());
+    acc->dm->setClientCapabilitiesNode("https://git.macaw.me/blue/squawk");
+}
+
+void Core::DiscoveryHandler::onItemsReceived(const QXmppDiscoveryIq& items)
+{
+    QString server = acc->getServer();
+    if (items.from() == server) {
+        std::set<QString> needToRequest;
+        qDebug() << "Server items list received for account " << acc->getName() << ":";
+        for (QXmppDiscoveryIq::Item item : items.items()) {
+            QString jid = item.jid();
+            if (jid != server) {
+                qDebug() << "     Node" << jid;
+                needToRequest.insert(jid);
+            } else {
+                qDebug() << "    " << item.node().toStdString().c_str();
+            }
+        }
+
+        for (const QString& jid : needToRequest) {
+            acc->dm->requestInfo(jid);
+        }
+    }
+}
+
+void Core::DiscoveryHandler::onInfoReceived(const QXmppDiscoveryIq& info)
+{
+    QString from = info.from();
+    QString server = acc->getServer();
+    QString accName = acc->getName();
+    QString bareJid = acc->getBareJid();
+    if (from == server) {
+        bool enableCC = false;
+        qDebug() << "Server info received for account" << accName;
+        QStringList features = info.features();
+        qDebug() << "List of supported features of the server " << server << ":";
+        for (const QString& feature : features) {
+            qDebug() << "    " << feature.toStdString().c_str();
+            if (feature == "urn:xmpp:carbons:2") {
+                enableCC = true;
+            }
+        }
+
+        if (enableCC) {
+            qDebug() << "Enabling carbon copies for account" << accName;
+            acc->cm->setCarbonsEnabled(true);
+        }
+
+        qDebug() << "Requesting account" << accName << "capabilities";
+        acc->dm->requestInfo(bareJid);
+    } else if (from == bareJid) {
+        qDebug() << "Received capabilities for account" << accName << ":";
+        QList<QXmppDiscoveryIq::Identity> identities = info.identities();
+        bool pepSupported = false;
+        for (const QXmppDiscoveryIq::Identity& identity : identities) {
+            QString type = identity.type();
+            QString category = identity.category();
+            qDebug() << "    " << category << type;
+            if (type == "pep" && category == "pubsub") {
+                pepSupported = true;
+            }
+        }
+        acc->setPepSupport(pepSupported ? Shared::Support::supported : Shared::Support::unsupported);
+    } else  {
+        qDebug() << "Received info for account" << accName << "about" << from;
+        QString node = info.queryNode();
+        if (!node.isEmpty()) {
+            QStringList feats = info.features();
+            std::set<Shared::Identity> identities;
+            std::set<QString> features(feats.begin(), feats.end());
+            QList<QXmppDiscoveryIq::Identity> idents = info.identities();
+            for (const QXmppDiscoveryIq::Identity& ident : idents) {
+                Shared::Identity identity;
+                identity.category = ident.category();
+                identity.language = ident.language();
+                identity.name = ident.name();
+                identity.type = ident.type();
+                identities.insert(identity);
+
+                qDebug() << "    " << identity.name << identity.category << identity.type;
+            }
+            for (const QString& feat : features) {
+                qDebug() << "    " << feat;
+            }
+            emit acc->infoDiscovered(from, node, identities, features);
+        } else {
+            Contact* cont = acc->rh->getContact(from);
+            if (cont != nullptr) {
+                qDebug() << "Received info for account" << accName << "about" << from;
+                QList<QXmppDiscoveryIq::Identity> identities = info.identities();
+                bool pepSupported = false;
+                for (const QXmppDiscoveryIq::Identity& identity : identities) {
+                    QString type = identity.type();
+                    QString category = identity.category();
+                    qDebug() << "    " << category << type;
+                    if (type == "pep" && category == "pubsub") {
+                        pepSupported = true;
+                    }
+                }
+                cont->setPepSupport(pepSupported ? Shared::Support::supported : Shared::Support::unsupported);
+            }
+        }
+    }
+}

core/handlers/discoveryhandler.h

@@ -0,0 +1,45 @@
+// Squawk messenger. 
+// Copyright (C) 2019  Yury Gubich <blue@macaw.me>
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef CORE_DISCOVERYHANDLER_H
+#define CORE_DISCOVERYHANDLER_H
+
+#include <QObject>
+
+#include <QXmppDiscoveryManager.h>
+#include <QXmppDiscoveryIq.h>
+
+namespace Core {
+class Account;
+
+class DiscoveryHandler : public QObject
+{
+    Q_OBJECT
+public:
+    DiscoveryHandler(Account* account);
+    ~DiscoveryHandler();
+
+private slots:
+    void onItemsReceived (const QXmppDiscoveryIq& items);
+    void onInfoReceived (const QXmppDiscoveryIq& info);
+
+private:
+    Account* acc;
+};
+
+}
+
+#endif // CORE_DISCOVERYHANDLER_H

core/handlers/rosterhandler.cpp

@@ -26,8 +26,7 @@ Core::RosterHandler::RosterHandler(Core::Account* account):
     conferences(),
     groups(),
     queuedContacts(),
-    outOfRosterContacts(),
-    pepSupport(Shared::Support::unknown)
+    outOfRosterContacts()
 {
     connect(acc->rm, &QXmppRosterManager::rosterReceived, this, &RosterHandler::onRosterReceived);
     connect(acc->rm, &QXmppRosterManager::itemAdded, this, &RosterHandler::onRosterItemAdded);
@@ -37,6 +36,8 @@ Core::RosterHandler::RosterHandler(Core::Account* account):
     
     connect(acc->mm, &QXmppMucManager::roomAdded, this, &RosterHandler::onMucRoomAdded);
     connect(acc->bm, &QXmppBookmarkManager::bookmarksReceived, this, &RosterHandler::bookmarksReceived);
+
+    connect(acc, &Account::pepSupportChanged, this, &RosterHandler::onPepSupportedChanged);
 }
 
 Core::RosterHandler::~RosterHandler()
@@ -52,8 +53,6 @@ Core::RosterHandler::~RosterHandler()
 
 void Core::RosterHandler::onRosterReceived()
 {
-    acc->requestVCard(acc->getBareJid());         //TODO need to make sure server actually supports vCards
-    
     QStringList bj = acc->rm->getRosterBareJids();
     for (int i = 0; i < bj.size(); ++i) {
         const QString& jid = bj[i];
@@ -111,7 +110,7 @@ void Core::RosterHandler::addedAccount(const QString& jid)
         if (grCount == 0) {
             emit acc->addContact(jid, "", cData);
         }
-        if (pepSupport == Shared::Support::supported) {
+        if (acc->pepSupport == Shared::Support::supported) {
             acc->dm->requestInfo(jid);
             //acc->dm->requestItems(jid);
         }
@@ -592,20 +591,15 @@ void Core::RosterHandler::handleOffline()
         pair.second->clearArchiveRequests();
         pair.second->downgradeDatabaseState();
     }
-    setPepSupport(Shared::Support::unknown);
 }
 
 
-void Core::RosterHandler::setPepSupport(Shared::Support support)
+void Core::RosterHandler::onPepSupportedChanged(Shared::Support support)
 {
-    if (pepSupport != support) {
-        pepSupport = support;
-
-        if (pepSupport == Shared::Support::supported) {
-            for (const std::pair<const QString, Contact*>& pair : contacts) {
-                if (pair.second->getPepSupport() == Shared::Support::unknown) {
-                    acc->dm->requestInfo(pair.first);
-                }
+    if (support == Shared::Support::supported) {
+        for (const std::pair<const QString, Contact*>& pair : contacts) {
+            if (pair.second->getPepSupport() == Shared::Support::unknown) {
+                acc->dm->requestInfo(pair.first);
             }
         }
     }

core/handlers/rosterhandler.h

@@ -65,7 +65,6 @@ public:
     
     void storeConferences();
     void clearConferences();
-    void setPepSupport(Shared::Support support);
     
 private slots:
     void onRosterReceived();
@@ -89,6 +88,7 @@ private slots:
     void onContactNameChanged(const QString& name);
     void onContactSubscriptionStateChanged(Shared::SubscriptionState state);
     void onContactAvatarChanged(Shared::Avatar, const QString& path);
+    void onPepSupportedChanged(Shared::Support support);
     
 private:
     void addNewRoom(const QString& jid, const QString& nick, const QString& roomName, bool autoJoin);
@@ -109,7 +109,6 @@ private:
     std::map<QString, std::set<QString>> groups;
     std::map<QString, QString> queuedContacts;
     std::set<QString> outOfRosterContacts;
-    Shared::Support pepSupport;
 };
 
 }

core/handlers/vcardhandler.cpp

@@ -228,7 +228,7 @@ void Core::VCardHandler::requestVCard(const QString& jid)
     }
 }
 
-void Core::VCardHandler::handleOtherPresenceOfMyAccountChange(const QXmppPresence& p_presence)
+void Core::VCardHandler::handlePresenceOfMyAccountChange(const QXmppPresence& p_presence)
 {
     if (!ownVCardRequestInProgress) {
         switch (p_presence.vCardUpdateType()) {

core/handlers/vcardhandler.h

@@ -44,7 +44,7 @@ public:
 
     void handleOffline();
     void requestVCard(const QString& jid);
-    void handleOtherPresenceOfMyAccountChange(const QXmppPresence& p_presence);
+    void handlePresenceOfMyAccountChange(const QXmppPresence& p_presence);
     void uploadVCard(const Shared::VCard& card);
     QString getAvatarPath() const;