105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
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* Copyright (C) 2016-2018 Simon Stürz <simon.stuerz@guh.io> *
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* *
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* This file is part of guh. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public *
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* License as published by the Free Software Foundation; either *
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* version 2.1 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; If not, see *
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* <http://www.gnu.org/licenses/>. *
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* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef BLUETOOTHGATTDESCRIPTOR_H
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#define BLUETOOTHGATTDESCRIPTOR_H
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#include <QObject>
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#include <QBluetoothUuid>
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#include <QDBusInterface>
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#include <QDBusPendingCall>
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#include <QDBusPendingCallWatcher>
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#include "blueztypes.h"
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// Note: DBus documentation https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc/gatt-api.txt
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class BluetoothManager;
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class BluetoothGattCharacteristic;
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class BluetoothGattDescriptor : public QObject
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{
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Q_OBJECT
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Q_FLAGS(Properties)
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friend class BluetoothManager;
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friend class BluetoothGattCharacteristic;
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public:
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enum Property {
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Unknown = 0x00,
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Read = 0x01,
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Write = 0x02,
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EncryptRead = 0x04,
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EncryptWrite = 0x08,
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EncryptAuthenticatedRead = 0x10,
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EncryptAuthenticatedWrite = 0x20,
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SecureRead = 0x40, // Server only
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SecureWrite = 0x80 // Server only
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};
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Q_DECLARE_FLAGS(Properties, Property)
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QString name() const;
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QBluetoothUuid uuid() const;
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QByteArray value() const;
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Properties properties() const;
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private:
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explicit BluetoothGattDescriptor(const QDBusObjectPath &path, const QVariantMap &properties, QObject *parent = 0);
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QDBusObjectPath m_path;
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QDBusInterface *m_descriptorInterface;
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QBluetoothUuid m_uuid;
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QByteArray m_value;
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Properties m_properties;
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QHash<QDBusPendingCallWatcher *, QByteArray> m_asyncWrites;
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void processProperties(const QVariantMap &properties);
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void setValueInternally(const QByteArray &value);
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Properties parsePropertyFlags(const QStringList &descriptorProperties);
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signals:
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void valueChanged(const QByteArray &value);
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void readingFinished(const QByteArray &value);
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void writingFinished(const QByteArray &value);
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private slots:
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void onPropertiesChanged(const QString &interface, const QVariantMap &changedProperties, const QStringList &invalidatedProperties);
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void onReadingFinished(QDBusPendingCallWatcher *call);
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void onWritingFinished(QDBusPendingCallWatcher *call);
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public slots:
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bool readValue();
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bool writeValue(const QByteArray &value);
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(BluetoothGattDescriptor::Properties)
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QDebug operator<<(QDebug debug, BluetoothGattDescriptor *descriptor);
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#endif // BLUETOOTHGATTDESCRIPTOR_H
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