File indexing completed on 2024-11-24 04:53:12

 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
 
    This file is part of the Trojita Qt IMAP e-mail client,
    http://trojita.flaska.net/
 
    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 2 of
    the License or (at your option) version 3 or any later version
    accepted by the membership of KDE e.V. (or its successor approved
    by the membership of KDE e.V.), which shall act as a proxy
    defined in Section 14 of version 3 of the license.
 
    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 TROJITA_IMAP_NETWORKWATCHER_H
 #define TROJITA_IMAP_NETWORKWATCHER_H
 
 #include <QObject>
 #include "Imap/ConnectionState.h"
 #include "Imap/Model/NetworkPolicy.h"
 
 class QTimer;
 
 namespace Imap {
 class ImapAccess;
 namespace Mailbox {
 class Model;
 
 const int MIN_RECONNECT_TIMEOUT = 5*1000;
 const int MAX_RECONNECT_TIMEOUT = 5*60*1000;
 
 /** @short Provide network session management to the Model */
 class NetworkWatcher: public QObject
 {
     Q_OBJECT
 public:
     NetworkWatcher(ImapAccess *parent, Model *model);
 
     NetworkPolicy desiredNetworkPolicy() const;
     NetworkPolicy effectiveNetworkPolicy() const;
 
 public slots:
     virtual void setNetworkOffline();
     virtual void setNetworkExpensive();
     virtual void setNetworkOnline();
 
 signals:
     void effectiveNetworkPolicyChanged();
     void reconnectAttemptScheduled(const int timeout);
     void resetReconnectState();
     void desiredNetworkPolicyChanged(const Imap::Mailbox::NetworkPolicy policy);
 
 protected:
     virtual void setDesiredNetworkPolicy(const NetworkPolicy policy) = 0;
     ImapAccess *m_imapAccess;
     Model *m_model;
     NetworkPolicy m_desiredPolicy;
 
 protected slots:
     void attemptReconnect();
     void tryReconnect();
     void handleConnectionStateChanged(uint parserId, Imap::ConnectionState state);
 
 protected:
     void resetReconnectTimer();
 
     /** @short Single shot timer to trigger reconnect attempts with time-outs */
     QTimer *m_reconnectTimer;
 };
 
 }
 }
 
 #endif