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/***************************************************************************
**
** Copyright (C) 2013 BlackBerry Limited. All rights reserved.
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "device.h"
#include <qbluetoothaddress.h>
#include <qbluetoothdevicediscoveryagent.h>
#include <qbluetoothlocaldevice.h>
#include <qbluetoothdeviceinfo.h>
#include <qbluetoothservicediscoveryagent.h>
#include <qbluetoothserviceinfo.h>
#include <qlowenergycharacteristicinfo.h>
#include <qlowenergycontroller.h>
#include <QDebug>
#include <QList>
Device::Device():
localDevice(new QBluetoothLocalDevice()), m_message(QString()), connected(false)
{
if (localDevice->allDevices().size() == 0) {
setUpdate("Bluetooth adapter not discovered");
m_adapterPresent = false;
}
else
m_adapterPresent = true;
QBluetoothAddress adapterAddress(localDevice->address());
discoveryAgent = new QBluetoothDeviceDiscoveryAgent(adapterAddress);
connect(discoveryAgent, SIGNAL(deviceDiscovered(const QBluetoothDeviceInfo&)),
this, SLOT(addDevice(const QBluetoothDeviceInfo&)));
connect(discoveryAgent, SIGNAL(finished()), this, SLOT(scanFinished()));
serviceDiscoveryAgent = new QBluetoothServiceDiscoveryAgent(adapterAddress);
setUpdate("Search");
}
Device::~Device()
{
delete discoveryAgent;
delete localDevice;
delete serviceDiscoveryAgent;
qDeleteAll(devices);
qDeleteAll(m_services);
qDeleteAll(m_characteristics);
devices.clear();
m_services.clear();
m_characteristics.clear();
}
void Device::startDeviceDiscovery()
{
if (m_adapterPresent) {
devices.clear();
setUpdate("Scanning for devices ...");
discoveryAgent->start();
}
else
setUpdate("Bluetooth adapter not discovered");
}
void Device::addDevice(const QBluetoothDeviceInfo &info)
{
if (info.coreConfiguration() == QBluetoothDeviceInfo::LowEnergyCoreConfiguration) {
DeviceInfo *d = new DeviceInfo(info);
devices.append(d);
setUpdate("Last device added: " + d->getName());
}
}
void Device::scanFinished()
{
Q_EMIT devicesDone();
setUpdate("Done! Scan Again!");
}
QVariant Device::getDevices()
{
return QVariant::fromValue(devices);
}
QVariant Device::getServices()
{
return QVariant::fromValue(m_services);
}
QVariant Device::getCharacteristics()
{
return QVariant::fromValue(m_characteristics);
}
QString Device::getUpdate()
{
return m_message;
}
void Device::scanServices(QString address)
{
// We need the current device for service discovery.
for (int i = 0; i < devices.size(); i++) {
if (((DeviceInfo*)devices.at(i))->getAddress() == address ) {
currentDevice.setDevice(((DeviceInfo*)devices.at(i))->getDevice());
}
}
m_services.clear();
//Connecting signals and slots for service discovery
QBluetoothDeviceInfo dev = currentDevice.getDevice();
connect(serviceDiscoveryAgent, SIGNAL(serviceDiscovered(const QLowEnergyServiceInfo&)),
this, SLOT(addLowEnergyService(const QLowEnergyServiceInfo&)));
connect(serviceDiscoveryAgent, SIGNAL(finished()), this, SLOT(serviceScanDone()));
serviceDiscoveryAgent->setRemoteAddress(dev.address());
serviceDiscoveryAgent->start();
setUpdate("Scanning for services...");
// Connecting signals and slots for connecting to LE services.
info = new QLowEnergyController();
connect(info, SIGNAL(connected(QLowEnergyServiceInfo)), this, SLOT(serviceConnected(QLowEnergyServiceInfo)));
connect(info, SIGNAL(error(QLowEnergyServiceInfo)), this, SLOT(errorReceived(QLowEnergyServiceInfo)));
connect(info, SIGNAL(disconnected(QLowEnergyServiceInfo)), this, SLOT(serviceDisconnected(QLowEnergyServiceInfo)));
}
void Device::addLowEnergyService(const QLowEnergyServiceInfo &service)
{
ServiceInfo *serv = new ServiceInfo(service);
m_services.append(serv);
}
void Device::serviceScanDone()
{
Q_EMIT servicesDone();
setUpdate("Service scan done!");
}
void Device::connectToService(const QString &uuid)
{
QString serviceUuid = uuid;
serviceUuid = serviceUuid.remove(QLatin1Char('{')).remove(QLatin1Char('}'));
QBluetoothUuid u(serviceUuid);
qDebug() << u;
QLowEnergyServiceInfo a;
for (int i = 0; i < m_services.size(); i++) {
ServiceInfo *service = (ServiceInfo*)m_services.at(i);
a = QLowEnergyServiceInfo(service->getLeService());
if (a.uuid() == u)
info->connectToService(a);
}
}
void Device::serviceConnected(const QLowEnergyServiceInfo &service)
{
m_characteristics.clear();
setUpdate("Service connected!");
connected = true;
for (int i = 0; i < service.characteristics().size(); i++) {
CharacteristicInfo *chars = new CharacteristicInfo((QLowEnergyCharacteristicInfo)service.characteristics().at(i));
m_characteristics.append(chars);
}
emit characteristicsDone();
}
void Device::errorReceived(const QLowEnergyServiceInfo &service)
{
qDebug() << "Error: " << service.errorString();
setUpdate(service.errorString());
}
void Device::setUpdate(QString message)
{
m_message = message;
emit updateChanged();
}
void Device::disconnectFromService()
{
if (connected)
info->disconnectFromService();
}
void Device::serviceDisconnected(const QLowEnergyServiceInfo &service)
{
setUpdate("Service Disconnected");
}
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