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filetransferchannel.cc
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filetransferchannel.cc
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/*
* This file is part of the telepathy-nonsense connection manager.
* Copyright (C) 2015 Niels Ole Salscheider <[email protected]>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*/
#include "filetransferchannel.hh"
#include "common.hh"
#include "connection.hh"
#include <TelepathyQt/IODevice>
FileTransferChannel::FileTransferChannel(Connection *connection, Tp::BaseChannel *baseChannel, const QVariantMap &request)
: Tp::BaseChannelFileTransferType(request), m_localAbort(false)
{
DBG;
QXmppTransferFileInfo fileInfo;
fileInfo.setDate(date());
fileInfo.setHash(contentHash().toLatin1());
fileInfo.setName(filename());
fileInfo.setDescription(description());
fileInfo.setSize(size());
m_ioChannel = new Tp::IODevice();
/* Open the QBuffer - QXmpp requires this */
m_ioChannel->open(QIODevice::ReadWrite);
connect(this, &FileTransferChannel::stateChanged, this, &FileTransferChannel::onStateChanged);
if (direction() == FileTransferChannel::Incoming) {
m_transferJob = request.value(NONSENSE_XMPP_TRANSFER_JOB).value<QXmppTransferJob *>();
} else { // Outgoing
QXmppTransferManager *transferManager = connection->qxmppClient()->findExtension<QXmppTransferManager>();
Q_ASSERT(transferManager);
m_transferJob = transferManager->sendFile(baseChannel->targetID() + connection->lastResourceForJid(baseChannel->targetID(), true), m_ioChannel, fileInfo);
}
Q_ASSERT(m_transferJob);
Q_ASSERT(m_transferJob->error() == QXmppTransferJob::NoError);
connect(m_transferJob, &QXmppTransferJob::stateChanged, this, &FileTransferChannel::onQxmppTransferStateChanged);
/* Unfortunately, there are two error() functions (but only one signal) in QXmppTransferJob.
* Use the old syntax for now */
connect(m_transferJob, SIGNAL(error(QXmppTransferJob::Error)), this, SLOT(onTransferError(QXmppTransferJob::Error)));
m_ioChannel->setParent(m_transferJob);
}
FileTransferChannelPtr FileTransferChannel::create(Connection *connection, Tp::BaseChannel *baseChannel, const QVariantMap &request)
{
return FileTransferChannelPtr(new FileTransferChannel(connection, baseChannel, request));
}
/* The state of the CM changes */
void FileTransferChannel::onStateChanged(uint state, uint reason)
{
DBG << state;
switch (state) {
case Tp::FileTransferStateAccepted:
if (direction() == FileTransferChannel::Incoming) {
m_transferJob->accept(m_ioChannel);
remoteProvideFile(m_ioChannel); /* The initial offset is always 0 for QXmpp */
}
break;
case Tp::FileTransferStateCancelled:
if (reason == Tp::FileTransferStateChangeReasonLocalStopped) {
m_localAbort = true;
m_transferJob->abort();
}
break;
case Tp::FileTransferStateNone:
case Tp::FileTransferStatePending:
case Tp::FileTransferStateOpen:
case Tp::FileTransferStateCompleted:
break;
default:
Q_ASSERT(0);
}
}
/* QXmpp's state changes */
void FileTransferChannel::onQxmppTransferStateChanged(QXmppTransferJob::State state)
{
DBG << state;
switch (state) {
case QXmppTransferJob::TransferState:
if (direction() == FileTransferChannel::Outgoing) {
remoteAcceptFile(m_ioChannel, 0); /* The initial offset is always 0 for QXmpp */
connect(m_transferJob, &QXmppTransferJob::progress, this, &FileTransferChannel::onOutgoingTransferProgressChanged);
}
case QXmppTransferJob::StartState:
case QXmppTransferJob::FinishedState:
/* Nothing to do */
break;
default:
Q_ASSERT(0);
}
}
void FileTransferChannel::onTransferError(QXmppTransferJob::Error error)
{
switch (error) {
case QXmppTransferJob::AbortError:
if (!m_localAbort) {
setState(Tp::FileTransferStateCancelled, Tp::FileTransferStateChangeReasonRemoteStopped);
}
break;
case QXmppTransferJob::FileAccessError:
setState(Tp::FileTransferStateCancelled, Tp::FileTransferStateChangeReasonLocalError);
break;
case QXmppTransferJob::FileCorruptError:
case QXmppTransferJob::ProtocolError:
/* It's hard to say if the error is local or remote. */
setState(Tp::FileTransferStateCancelled, Tp::FileTransferStateChangeReasonRemoteError);
break;
default:
Q_ASSERT(0);
}
}
void FileTransferChannel::onOutgoingTransferProgressChanged(qint64 transferred)
{
setTransferredBytes(transferred);
}