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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtNfc module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QNEARFIELDTARGET_H
#define QNEARFIELDTARGET_H
#include <QtCore/QByteArray>
#include <QtCore/QList>
#include <QtCore/QMetaType>
#include <QtCore/QObject>
#include <QtCore/QSharedDataPointer>
#include <QtNfc/qtnfcglobal.h>
QT_BEGIN_NAMESPACE
class QString;
class QUrl;
QT_END_NAMESPACE
QT_BEGIN_NAMESPACE
class QNdefMessage;
class QNearFieldTargetPrivate;
class Q_NFC_EXPORT QNearFieldTarget : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QNearFieldTarget)
public:
enum Type {
ProprietaryTag,
NfcTagType1,
NfcTagType2,
NfcTagType3,
NfcTagType4,
MifareTag
};
Q_ENUM(Type)
enum AccessMethod {
UnknownAccess = 0x00,
NdefAccess = 0x01,
TagTypeSpecificAccess = 0x02,
LlcpAccess = 0x04
};
Q_ENUM(AccessMethod)
Q_DECLARE_FLAGS(AccessMethods, AccessMethod)
enum Error {
NoError,
UnknownError,
UnsupportedError,
TargetOutOfRangeError,
NoResponseError,
ChecksumMismatchError,
InvalidParametersError,
NdefReadError,
NdefWriteError,
CommandError
};
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 = Q_NULLPTR);
virtual ~QNearFieldTarget();
virtual QByteArray uid() const = 0;
virtual QUrl url() const;
virtual Type type() const = 0;
virtual AccessMethods accessMethods() const = 0;
bool keepConnection() const;
bool setKeepConnection(bool isPersistent);
bool disconnect();
bool isProcessingCommand() const;
// NdefAccess
virtual bool hasNdefMessage();
virtual RequestId readNdefMessages();
virtual RequestId writeNdefMessages(const QList<QNdefMessage> &messages);
// TagTypeSpecificAccess
int maxCommandLength() const;
virtual RequestId sendCommand(const QByteArray &command);
virtual RequestId sendCommands(const QList<QByteArray> &commands);
virtual bool waitForRequestCompleted(const RequestId &id, int msecs = 5000);
QVariant requestResponse(const RequestId &id);
void setResponseForRequest(const QNearFieldTarget::RequestId &id, const QVariant &response,
bool emitRequestCompleted = true);
protected:
Q_INVOKABLE virtual bool handleResponse(const QNearFieldTarget::RequestId &id,
const QByteArray &response);
Q_SIGNALS:
void disconnected();
void ndefMessageRead(const QNdefMessage &message);
void ndefMessagesWritten();
void requestCompleted(const QNearFieldTarget::RequestId &id);
void error(QNearFieldTarget::Error error, const QNearFieldTarget::RequestId &id);
private:
QNearFieldTargetPrivate *d_ptr;
};
#if QT_DEPRECATED_SINCE(5, 9)
Q_NFC_EXPORT quint16 qNfcChecksum(const char * data, uint len);
#endif
Q_DECLARE_OPERATORS_FOR_FLAGS(QNearFieldTarget::AccessMethods)
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QNearFieldTarget::RequestId)
#endif // QNEARFIELDTARGET_H
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