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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Messaging Framework.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef PopClient_H
#define PopClient_H
#include <QString>
#include <QStringList>
#include <QObject>
#include <QList>
#include <QTimer>
#include <QElapsedTimer>
#include <qmailaccountconfiguration.h>
#include <qmailmessage.h>
#include <qmailmessageclassifier.h>
#include <qmailmessageserver.h>
#include <qmailtransport.h>
#include <qmailmessagebuffer.h>
#include <qmailcredentials.h>
class LongStream;
class QMailTransport;
class QMailAccount;
typedef QMap<QString, QMailMessageId> SelectionMap;
class PopClient : public QObject
{
Q_OBJECT
public:
PopClient(const QMailAccountId &accountId, QObject* parent);
~PopClient();
QMailAccountId accountId() const;
bool synchronizationEnabled(const QMailFolderId &id) const;
void createTransport();
void deleteTransport();
void testConnection();
void newConnection();
void closeConnection();
void setOperation(QMailRetrievalAction::RetrievalSpecification spec);
bool findInbox();
void setAdditional(uint _additional = 0);
void setDeleteOperation();
void setSelectedMails(const SelectionMap& data);
void checkForNewMessages();
void cancelTransfer(QMailServiceAction::Status::ErrorCode code, const QString &text);
void messageFlushed(QMailMessage &message, bool isComplete);
void removeAllFromBuffer(QMailMessage *message);
signals:
void connectionError(QMailServiceAction::Status::ErrorCode status, const QString &msg);
void errorOccurred(int, const QString &);
void errorOccurred(QMailServiceAction::Status::ErrorCode, const QString &);
void updateStatus(const QString &);
void messageActionCompleted(const QString &uid);
void progressChanged(uint, uint);
void retrievalCompleted();
void allMessagesReceived();
protected slots:
void messageBufferFlushed();
void connected(QMailTransport::EncryptType encryptType);
void transportError(int, QString msg);
void onCredentialsStatusChanged();
void connectionInactive();
void incomingData();
private:
void setupAccount() const;
void setupFolders() const;
void deactivateConnection();
int nextMsgServerPos();
int msgPosFromUidl(QString uidl);
uint getSize(int pos);
void uidlIntegrityCheck();
void createMail();
void sendCommand(const char *data, int len = -1);
void sendCommand(const QString& cmd);
void sendCommand(const QByteArray& cmd);
void processResponse(const QString &response);
void nextAction();
void retrieveOperationCompleted();
void messageProcessed(const QString &uid);
void operationFailed(int code, const QString &text);
void operationFailed(QMailServiceAction::Status::ErrorCode code, const QString &text);
private:
enum TransferStatus
{
Init, CapabilityTest, Capabilities,
StartTLS, TLS, Connected, Auth,
RequestUids, Uidl, UidList,
RequestSizes, List, SizeList,
RequestMessage, Retr, Top, MessageDataRetr, MessageDataTop,
DeleteMessage, Dele, DeleAfterRetr,
Done, Quit, Exit
};
QMailAccountConfiguration config;
QMailFolderId folderId;
QTimer inactiveTimer;
TransferStatus status;
int messageCount;
bool selected;
bool deleting;
QString message;
SelectionMap selectionMap;
SelectionMap::ConstIterator selectionItr;
uint mailSize;
uint headerLimit;
uint additional;
bool partialContent;
QMap<QByteArray, int> serverUidNumber;
QMap<int, QByteArray> serverUid;
QMap<int, uint> serverSize;
QString messageUid;
QStringList newUids;
QStringList obsoleteUids;
LongStream *dataStream;
QMailTransport *transport;
QByteArray lineBuffer;
QString retrieveUid;
SelectionMap completionList;
uint progress;
uint total;
// RetrievalMap maps uid -> ((units, bytes) to be retrieved, percentage retrieved)
typedef QMap<QString, QPair< QPair<uint, uint>, uint> > RetrievalMap;
RetrievalMap retrievalSize;
uint progressRetrievalSize;
uint totalRetrievalSize;
QMailMessageClassifier classifier;
QStringList capabilities;
QList<QByteArray> authCommands;
QElapsedTimer lastStatusTimer;
QVector<QMailMessage*> _bufferedMessages;
QVector<QMailMessageBufferFlushCallback*> callbacks;
bool testing;
bool pendingDeletes;
QMailCredentialsInterface *credentials;
bool loginFailed;
};
#endif
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