qlowenergycharacteristicdata.cpp

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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
 
#include "qlowenergycharacteristicdata.h"
 
#include "qlowenergydescriptordata.h"
 
#include <QtCore/qbytearray.h>
#include <QtCore/qloggingcategory.h>
#include <QtCore/qdebug.h>
 
#include <climits>
 
QT_BEGIN_NAMESPACE
 
Q_DECLARE_LOGGING_CATEGORY(QT_BT)
 
struct QLowEnergyCharacteristicDataPrivate : public QSharedData
{
    QLowEnergyCharacteristicDataPrivate()
        : properties(QLowEnergyCharacteristic::Unknown)
        , minimumValueLength(0)
        , maximumValueLength(INT_MAX)
    {}
 
    QBluetoothUuid uuid;
    QLowEnergyCharacteristic::PropertyTypes properties;
    QList<QLowEnergyDescriptorData> descriptors;
    QByteArray value;
    QBluetooth::AttAccessConstraints readConstraints;
    QBluetooth::AttAccessConstraints writeConstraints;
    int minimumValueLength;
    int maximumValueLength;
};
 
QLowEnergyCharacteristicData::QLowEnergyCharacteristicData()
    : d(new QLowEnergyCharacteristicDataPrivate)
{
}
 
QLowEnergyCharacteristicData::QLowEnergyCharacteristicData(const QLowEnergyCharacteristicData &other)
    : d(other.d)
{
}
 
QLowEnergyCharacteristicData::~QLowEnergyCharacteristicData()
{
}
 
QLowEnergyCharacteristicData &QLowEnergyCharacteristicData::operator=(const QLowEnergyCharacteristicData &other)
{
    d = other.d;
    return *this;
}
 
QBluetoothUuid QLowEnergyCharacteristicData::uuid() const
{
    return d->uuid;
}
 
void QLowEnergyCharacteristicData::setUuid(const QBluetoothUuid &uuid)
{
    d->uuid = uuid;
}
 
QByteArray QLowEnergyCharacteristicData::value() const
{
    return d->value;
}
 
void QLowEnergyCharacteristicData::setValue(const QByteArray &value)
{
    d->value = value;
}
 
QLowEnergyCharacteristic::PropertyTypes QLowEnergyCharacteristicData::properties() const
{
    return d->properties;
}
 
void QLowEnergyCharacteristicData::setProperties(QLowEnergyCharacteristic::PropertyTypes properties)
{
    if ((properties & QLowEnergyCharacteristic::PropertyType::Notify) &&
            (properties &  QLowEnergyCharacteristic::PropertyType::Indicate))
        qCWarning(QT_BT) << "Both NTF and IND properties set for characteristic" << d->uuid;
    d->properties = properties;
}
 
QList<QLowEnergyDescriptorData> QLowEnergyCharacteristicData::descriptors() const
{
    return d->descriptors;
}
 
void QLowEnergyCharacteristicData::setDescriptors(const QList<QLowEnergyDescriptorData> &descriptors)
{
    d->descriptors.clear();
    for (const QLowEnergyDescriptorData &desc : descriptors)
        addDescriptor(desc);
}
 
void QLowEnergyCharacteristicData::addDescriptor(const QLowEnergyDescriptorData &descriptor)
{
    if (descriptor.isValid())
        d->descriptors << descriptor;
    else
        qCWarning(QT_BT) << "not adding invalid descriptor to characteristic";
}
 
void QLowEnergyCharacteristicData::setReadConstraints(QBluetooth::AttAccessConstraints constraints)
{
    d->readConstraints = constraints;
}
 
QBluetooth::AttAccessConstraints QLowEnergyCharacteristicData::readConstraints() const
{
    return d->readConstraints;
}
 
void QLowEnergyCharacteristicData::setWriteConstraints(QBluetooth::AttAccessConstraints constraints)
{
    d->writeConstraints = constraints;
}
 
QBluetooth::AttAccessConstraints QLowEnergyCharacteristicData::writeConstraints() const
{
    return d->writeConstraints;
}
 
void QLowEnergyCharacteristicData::setValueLength(int minimum, int maximum)
{
    d->minimumValueLength = minimum;
    d->maximumValueLength = qMax(minimum, maximum);
}
 
int QLowEnergyCharacteristicData::minimumValueLength() const
{
    return d->minimumValueLength;
}
 
int QLowEnergyCharacteristicData::maximumValueLength() const
{
    return d->maximumValueLength;
}
 
bool QLowEnergyCharacteristicData::isValid() const
{
    return !uuid().isNull();
}
 
bool QLowEnergyCharacteristicData::equals(const QLowEnergyCharacteristicData &a,
                                          const QLowEnergyCharacteristicData &b)
{
    return a.d == b.d
            || (a.uuid() == b.uuid() && a.properties() == b.properties()
                && a.descriptors() == b.descriptors() && a.value() == b.value()
                && a.readConstraints() == b.readConstraints()
                && a.writeConstraints() == b.writeConstraints()
                && a.minimumValueLength() == b.maximumValueLength()
                && a.maximumValueLength() == b.maximumValueLength());
}
 
QT_END_NAMESPACE