started to devide contact and MUC, license, readme, attach icon

core/rosteritem.h

@@ -0,0 +1,92 @@
+/*
+ * 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_ROSTERITEM_H
+#define CORE_ROSTERITEM_H
+
+#include <QObject>
+#include <QString>
+
+#include <list>
+
+#include "../global.h"
+#include "archive.h"
+
+namespace Core {
+
+/**
+ * @todo write docs
+ */
+class RosterItem : public QObject
+{
+    Q_OBJECT
+public:
+    enum ArchiveState {
+        empty,              //have no messages stored for this contact
+        chunk,              //have some chunk of history, don't have the beginning nor have the end
+        beginning,          //have the history from the very beginning, don't have the end
+        end,                //have the history to the end, but don't have the beginning
+        complete            //have full history locally stored
+    };
+    
+    RosterItem(const QString& pJid, const QString& account, QObject* parent = 0);
+    ~RosterItem();
+    
+    ArchiveState getArchiveState() const;
+    QString getName() const;
+    void setName(const QString& n);
+    void setSubscriptionState(Shared::SubscriptionState state);
+    Shared::SubscriptionState getSubscriptionState() const;
+    
+    void addMessageToArchive(const Shared::Message& msg);
+    void appendMessageToArchive(const Shared::Message& msg);
+    void flushMessagesToArchive(bool finished, const QString& firstId, const QString& lastId);
+    void requestHistory(int count, const QString& before);
+    void requestFromEmpty(int count, const QString& before);
+    
+signals:
+    void nameChanged(const QString& name);
+    void subscriptionStateChanged(Shared::SubscriptionState state);
+    void historyResponse(const std::list<Shared::Message>& messages);
+    void needHistory(const QString& before, const QString& after, const QDateTime& afterTime = QDateTime());
+    
+public:
+    const QString jid;
+    
+protected:
+    QString name;
+    ArchiveState archiveState;
+    Archive* archive;
+    Shared::SubscriptionState subscriptionState;
+
+    bool syncronizing;
+    int requestedCount;
+    QString requestedBefore;
+    std::list<Shared::Message> hisoryCache;
+    std::list<Shared::Message> appendCache;
+    std::list<Shared::Message> responseCache;
+    std::list<std::pair<int, QString>> requestCache;
+
+private:
+    void nextRequest();
+    void performRequest(int count, const QString& before);
+};
+
+}
+
+#endif // CORE_ROSTERITEM_H