File indexing completed on 2024-06-23 05:21:13
0001 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net> 0002 0003 This file is part of the Trojita Qt IMAP e-mail client, 0004 http://trojita.flaska.net/ 0005 0006 This program is free software; you can redistribute it and/or 0007 modify it under the terms of the GNU General Public License as 0008 published by the Free Software Foundation; either version 2 of 0009 the License or (at your option) version 3 or any later version 0010 accepted by the membership of KDE e.V. (or its successor approved 0011 by the membership of KDE e.V.), which shall act as a proxy 0012 defined in Section 14 of version 3 of the license. 0013 0014 This program is distributed in the hope that it will be useful, 0015 but WITHOUT ANY WARRANTY; without even the implied warranty of 0016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0017 GNU General Public License for more details. 0018 0019 You should have received a copy of the GNU General Public License 0020 along with this program. If not, see <http://www.gnu.org/licenses/>. 0021 */ 0022 0023 0024 #include "FetchMsgMetadataTask.h" 0025 #include "Imap/Model/ItemRoles.h" 0026 #include "Imap/Model/Model.h" 0027 #include "Imap/Model/MailboxTree.h" 0028 #include "KeepMailboxOpenTask.h" 0029 0030 namespace Imap 0031 { 0032 namespace Mailbox 0033 { 0034 0035 FetchMsgMetadataTask::FetchMsgMetadataTask(Model *model, const QModelIndex &mailbox, const Imap::Uids &uids) : 0036 ImapTask(model), mailbox(mailbox), uids(uids) 0037 { 0038 Q_ASSERT(!uids.isEmpty()); 0039 conn = model->findTaskResponsibleFor(mailbox); 0040 conn->addDependentTask(this); 0041 } 0042 0043 void FetchMsgMetadataTask::perform() 0044 { 0045 parser = conn->parser; 0046 markAsActiveTask(); 0047 0048 IMAP_TASK_CHECK_ABORT_DIE; 0049 0050 Sequence seq = Sequence::fromVector(uids); 0051 0052 // we do not want to use _onlineMessageFetch because it contains UID and FLAGS 0053 tag = parser->uidFetch(seq, QList<QByteArray>() << "ENVELOPE" << "INTERNALDATE" << 0054 "BODYSTRUCTURE" << "RFC822.SIZE" << "BODY.PEEK[HEADER.FIELDS (References List-Post)]"); 0055 } 0056 0057 bool FetchMsgMetadataTask::handleFetch(const Imap::Responses::Fetch *const resp) 0058 { 0059 if (! mailbox.isValid()) { 0060 _failed(tr("handleFetch: mailbox disappeared")); 0061 // FIXME: nice error handling 0062 return false; 0063 } 0064 TreeItemMailbox *mailboxPtr = dynamic_cast<TreeItemMailbox *>(static_cast<TreeItemMailbox *>(mailbox.internalPointer())); 0065 Q_ASSERT(mailboxPtr); 0066 model->genericHandleFetch(mailboxPtr, resp); 0067 return true; 0068 } 0069 0070 bool FetchMsgMetadataTask::handleStateHelper(const Imap::Responses::State *const resp) 0071 { 0072 if (resp->tag.isEmpty()) 0073 return false; 0074 0075 if (resp->tag == tag) { 0076 0077 if (resp->kind == Responses::OK) { 0078 _completed(); 0079 } else { 0080 _failed(tr("UID FETCH failed")); 0081 // FIXME: error handling 0082 } 0083 return true; 0084 } else { 0085 return false; 0086 } 0087 } 0088 0089 QString FetchMsgMetadataTask::debugIdentification() const 0090 { 0091 if (!mailbox.isValid()) 0092 return QStringLiteral("[invalid mailbox]"); 0093 0094 Q_ASSERT(!uids.isEmpty()); 0095 return QStringLiteral("%1: UIDs %2").arg(mailbox.data(RoleMailboxName).toString(), 0096 QString::fromUtf8(Sequence::fromVector(uids).toByteArray())); 0097 } 0098 0099 QVariant FetchMsgMetadataTask::taskData(const int role) const 0100 { 0101 return role == RoleTaskCompactName ? QVariant(tr("Downloading headers")) : QVariant(); 0102 } 0103 0104 } 0105 }