File indexing completed on 2024-06-23 05:21:16

 /* 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/>.
 */
 
 
 #include "ThreadTask.h"
 #include "Imap/Model/ItemRoles.h"
 #include "Imap/Model/Model.h"
 #include "Imap/Model/MailboxTree.h"
 #include "KeepMailboxOpenTask.h"
 
 namespace Imap
 {
 namespace Mailbox
 {
 
 
 ThreadTask::ThreadTask(Model *model, const QModelIndex &mailbox, const QByteArray &algorithm, const QStringList &searchCriteria,
                        const ThreadingIncrementalMode incrementalMode):
     ImapTask(model), mailboxIndex(mailbox), algorithm(algorithm), searchCriteria(searchCriteria),
     m_incrementalMode(incrementalMode == THREADING_INCREMENTAL)
 {
     conn = model->findTaskResponsibleFor(mailbox);
     conn->addDependentTask(this);
 }
 
 void ThreadTask::perform()
 {
     parser = conn->parser;
     markAsActiveTask();
 
     IMAP_TASK_CHECK_ABORT_DIE;
 
     if (! mailboxIndex.isValid()) {
         _failed(tr("Mailbox vanished before we could ask for threading info"));
         return;
     }
 
     if (m_incrementalMode) {
         tag = parser->uidEThread(algorithm, "utf-8", searchCriteria, QStringList() << QStringLiteral("INCTHREAD"));
     } else {
         tag = parser->uidThread(algorithm, "utf-8", searchCriteria);
     }
 }
 
 bool ThreadTask::handleStateHelper(const Imap::Responses::State *const resp)
 {
     if (resp->tag.isEmpty())
         return false;
 
     if (resp->tag == tag) {
         if (resp->kind == Responses::OK) {
             if (!m_incrementalMode)
                 emit model->threadingAvailable(mailboxIndex, algorithm, searchCriteria, mapping);
             _completed();
         } else {
             _failed(tr("Threading command has failed"));
         }
         mapping.clear();
         return true;
     } else {
         return false;
     }
 }
 
 bool ThreadTask::handleThread(const Imap::Responses::Thread *const resp)
 {
     mapping = resp->rootItems;
     return true;
 }
 
 bool ThreadTask::handleESearch(const Responses::ESearch *const resp)
 {
     if (resp->tag != tag)
         return false;
 
     if (resp->seqOrUids != Imap::Responses::ESearch::UIDS)
         throw UnexpectedResponseReceived("ESEARCH response to a UID THREAD command with matching tag uses "
                                          "sequence numbers instead of UIDs", *resp);
 
     if (m_incrementalMode) {
         emit incrementalThreadingAvailable(resp->incThreadData);
         return true;
     }
 
     throw UnexpectedResponseReceived("ESEARCH response to UID THREAD received outside of the incremental mode");
 }
 
 QVariant ThreadTask::taskData(const int role) const
 {
     return role == RoleTaskCompactName ? QVariant(tr("Fetching conversations")) : QVariant();
 }
 
 void ThreadTask::_failed(const QString &errorMessage)
 {
     // FIXME: show this in the GUI
     emit model->threadingFailed(mailboxIndex, algorithm, searchCriteria);
     ImapTask::_failed(errorMessage);
 }
 
 }
 }