File indexing completed on 2024-06-16 05:01:52

 /* 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 UIUTILS_PARTWALKER_H
 #define UIUTILS_PARTWALKER_H
 
 #include <memory>
 #include <QCoreApplication>
 #include "Imap/Network/MsgPartNetAccessManager.h"
 #include "Imap/Model/NetworkWatcher.h"
 #include "UiUtils/PartLoadingOptions.h"
 #include "UiUtils/PartVisitor.h"
 
 namespace UiUtils {
 
 template <typename Result, typename Context>
 class PartVisitor;
 
 /** @short walk through a message and display it.
 
 This class traverses a message, puts together all its parts and displays the message.
 It owns a PartVistor that defines how each part in a message is displayed.
 It traverses message with function walk() and outputs a UI Object;
  */
 template<typename Result, typename Context>
 class PartWalker
 {
     Q_DECLARE_TR_FUNCTIONS(PartWalker)
     enum { ExpensiveFetchThreshold = 50*1024 };
 public:
 
     PartWalker(Imap::Network::MsgPartNetAccessManager *manager,
                Context context, std::unique_ptr<PartVisitor<Result, Context> > visitor);
     Result walk(const QModelIndex &partIndex, int recursionDepth, const UiUtils::PartLoadingOptions loadingMode);
     Context context() const;
     void setNetworkWatcher(Imap::Mailbox::NetworkWatcher *netWatcher);
 
 private:
     Imap::Network::MsgPartNetAccessManager *m_manager;
     Imap::Mailbox::NetworkWatcher *m_netWatcher;
     Context m_context;
     std::unique_ptr<PartVisitor<Result, Context>> m_visitor;
 };
 
 }
 
 #endif //UIUTILS_PARTWALKER_H