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// Copyright (C) 2016 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 QNEARFIELDTARGET_H
#define QNEARFIELDTARGET_H
#include <QtCore/QByteArray>
#include <QtCore/QList>
#include <QtCore/QMetaType>
#include <QtCore/QObject>
#include <QtCore/QSharedDataPointer>
#include <QtCore/QVariant>
#include <QtNfc/qtnfcglobal.h>
QT_BEGIN_NAMESPACE
class QNdefMessage;
class QNearFieldTargetPrivate;
class QNearFieldManagerPrivateImpl;
class Q_NFC_EXPORT QNearFieldTarget : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QNearFieldTarget)
friend class QNearFieldManagerPrivateImpl;
public:
enum Type {
ProprietaryTag,
NfcTagType1,
NfcTagType2,
NfcTagType3,
NfcTagType4,
NfcTagType4A,
NfcTagType4B,
MifareTag
};
Q_ENUM(Type)
enum AccessMethod {
UnknownAccess = 0x00,
NdefAccess = 0x01,
TagTypeSpecificAccess = 0x02,
AnyAccess = 0xff
};
Q_ENUM(AccessMethod)
Q_DECLARE_FLAGS(AccessMethods, AccessMethod)
enum Error {
NoError,
UnknownError,
UnsupportedError,
TargetOutOfRangeError,
NoResponseError,
ChecksumMismatchError,
InvalidParametersError,
ConnectionError,
NdefReadError,
NdefWriteError,
CommandError,
TimeoutError
};
Q_ENUM(Error)
class RequestIdPrivate;
class Q_NFC_EXPORT RequestId
{
public:
RequestId();
RequestId(const RequestId &other);
RequestId(RequestIdPrivate *p);
~RequestId();
bool isValid() const;
int refCount() const;
bool operator<(const RequestId &other) const;
bool operator==(const RequestId &other) const;
bool operator!=(const RequestId &other) const;
RequestId &operator=(const RequestId &other);
QSharedDataPointer<RequestIdPrivate> d;
};
explicit QNearFieldTarget(QObject *parent = nullptr);
~QNearFieldTarget();
QByteArray uid() const;
Type type() const;
AccessMethods accessMethods() const;
bool disconnect();
// NdefAccess
bool hasNdefMessage();
RequestId readNdefMessages();
RequestId writeNdefMessages(const QList<QNdefMessage> &messages);
// TagTypeSpecificAccess
int maxCommandLength() const;
RequestId sendCommand(const QByteArray &command);
bool waitForRequestCompleted(const RequestId &id, int msecs = 5000);
QVariant requestResponse(const RequestId &id) const;
Q_SIGNALS:
void disconnected();
void ndefMessageRead(const QNdefMessage &message);
void requestCompleted(const QNearFieldTarget::RequestId &id);
void error(QNearFieldTarget::Error error, const QNearFieldTarget::RequestId &id);
protected:
QNearFieldTarget(QNearFieldTargetPrivate *backend, QObject *parent = nullptr);
private:
QNearFieldTargetPrivate *d_ptr;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QNearFieldTarget::AccessMethods)
QT_END_NAMESPACE
QT_DECL_METATYPE_EXTERN_TAGGED(QNearFieldTarget::RequestId, QNearFieldTarget__RequestId,
Q_NFC_EXPORT)
#endif // QNEARFIELDTARGET_H
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