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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QPCSCCARD_P_H
#define QPCSCCARD_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qpcsc_p.h"
#include "qndefmessage.h"
#include "qnearfieldtarget.h"
#include "ndef/qndefaccessfsm_p.h"
QT_BEGIN_NAMESPACE
class QTimer;
class QPcscCard : public QObject
{
Q_OBJECT
public:
QPcscCard(SCARDHANDLE handle, DWORD protocol, QObject *parent = nullptr);
~QPcscCard();
bool isValid() const { return m_isValid; }
void invalidate();
bool checkCardPresent();
Q_INVOKABLE void enableAutodelete();
QByteArray readUid();
int readMaxInputLength();
bool supportsNdef() const { return m_supportsNdef; }
private:
SCARDHANDLE m_handle;
SCARD_IO_REQUEST m_ioPci;
bool m_isValid = true;
bool m_supportsNdef;
bool m_autodelete = false;
// Indicates that an _automatic_ transaction was started
bool m_inAutoTransaction = false;
QTimer *m_keepAliveTimer;
std::unique_ptr<QNdefAccessFsm> m_tagDetectionFsm;
enum AutoTransaction { NoAutoTransaction, StartAutoTransaction };
QPcsc::RawCommandResult sendCommand(const QByteArray &command, AutoTransaction autoTransaction);
void performNdefDetection();
class Transaction
{
public:
Transaction(QPcscCard *card);
~Transaction();
private:
QPcscCard *m_card;
bool m_initiated = false;
};
public Q_SLOTS:
void onDisconnectRequest();
void onTargetDestroyed();
void onSendCommandRequest(const QNearFieldTarget::RequestId &request,
const QByteArray &command);
void onReadNdefMessagesRequest(const QNearFieldTarget::RequestId &request);
void onWriteNdefMessagesRequest(const QNearFieldTarget::RequestId &request,
const QList<QNdefMessage> &messages);
private Q_SLOTS:
void onKeepAliveTimeout();
Q_SIGNALS:
void disconnected();
void invalidated();
void requestCompleted(const QNearFieldTarget::RequestId &request,
QNearFieldTarget::Error reason, const QVariant &result);
void ndefMessageRead(const QNdefMessage &message);
};
QT_END_NAMESPACE
#endif // QPCSCCARD_P_H
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