devicefinder.cpp
5.5 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/* ****************************************************************************
* Copyright 2019 Open Systems Development BV *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the "Software"), *
* to deal in the Software without restriction, including without limitation *
* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
* and/or sell copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in *
* all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
* DEALINGS IN THE SOFTWARE. *
* ***************************************************************************/
// osdev::components::bluetooth
#include "devicefinder.h"
#include "devicehandler.h"
#include "deviceinfo.h"
using namespace osdev::components::bluetooth;
DeviceFinder::DeviceFinder( DeviceHandler *handler, QObject *parent )
: BluetoothBaseClass( parent )
, m_pDeviceHandler( handler )
, m_pDeviceDiscoveryAgent( new QBluetoothDeviceDiscoveryAgent() )
, m_devices()
{
//! [devicediscovery-1]
m_pDeviceDiscoveryAgent->setLowEnergyDiscoveryTimeout( 5000 );
connect( m_pDeviceDiscoveryAgent, &QBluetoothDeviceDiscoveryAgent::deviceDiscovered, this, &DeviceFinder::slotAddDevice );
connect( m_pDeviceDiscoveryAgent, static_cast<void (QBluetoothDeviceDiscoveryAgent::*)
(QBluetoothDeviceDiscoveryAgent::Error)>(&QBluetoothDeviceDiscoveryAgent::error), this, &DeviceFinder::slotScanError );
connect( m_pDeviceDiscoveryAgent, &QBluetoothDeviceDiscoveryAgent::finished, this, &DeviceFinder::slotScanFinished );
connect( m_pDeviceDiscoveryAgent, &QBluetoothDeviceDiscoveryAgent::canceled, this, &DeviceFinder::slotScanFinished );
connect( m_pDeviceHandler, &DeviceHandler::signalReceivedValue, this, &DeviceFinder::signalSendData );
}
DeviceFinder::~DeviceFinder()
{
qDeleteAll( m_devices );
m_devices.clear();
}
void DeviceFinder::slotStartSearch()
{
clearMessages();
m_pDeviceHandler->setDevice( nullptr );
qDeleteAll( m_devices );
m_devices.clear();
emit signalDevicesChanged();
m_pDeviceDiscoveryAgent->start( QBluetoothDeviceDiscoveryAgent::LowEnergyMethod );
emit signalScanningChanged();
setInfo( tr( "Scanning for devices..." ) );
}
void DeviceFinder::slotAddDevice( const QBluetoothDeviceInfo &device )
{
// If device is LowEnergy-device and its services contain the one we're looking for, add it to the list.
if( device.coreConfigurations() & QBluetoothDeviceInfo::LowEnergyCoreConfiguration )
{
qInfo() << device.serviceUuids() << " : Looking for : " << m_pDeviceHandler->requestedServiceUuid();
m_devices.append( new DeviceInfo( device ) );
setInfo( tr( "Low Energy Device Found. Scanning for more...." ) );
emit signalDevicesChanged();
}
}
void DeviceFinder::slotScanError( QBluetoothDeviceDiscoveryAgent::Error error )
{
if( error == QBluetoothDeviceDiscoveryAgent::PoweredOffError )
{
setError( tr( "The Bluetooth adapter is powered off." ) );
}
else if( error == QBluetoothDeviceDiscoveryAgent::InputOutputError )
{
setError( tr( "Writing or reading from the device resulted in an error." ) );
}
else
{
setError( tr( "An unknown error has occured." ) );
}
}
void DeviceFinder::slotScanFinished()
{
if( m_devices.isEmpty() )
setError( tr( "No Low Energy devices found." ) );
else
setInfo( tr( "Scanning done." ) );
emit signalScanningChanged();
emit signalDevicesChanged();
emit signalScanFinished();
}
void DeviceFinder::slotConnectToService( const QString &address )
{
m_pDeviceDiscoveryAgent->stop();
DeviceInfo *currentDevice = nullptr;
for( auto entry : qAsConst( m_devices ) )
{
if( entry && entry->getAddress() == address )
{
currentDevice = entry;
break;
}
}
if( currentDevice )
m_pDeviceHandler->setDevice( currentDevice );
clearMessages();
}
bool DeviceFinder::scanning() const
{
return m_pDeviceDiscoveryAgent->isActive();
}
QList<DeviceInfo*> DeviceFinder::devices()
{
return m_devices;
}
QString DeviceFinder::getAddressByName( const QString &name )
{
if( name.isEmpty() || name.isNull() )
return QString();
for( const auto &device : qAsConst( m_devices ) )
{
if( device->getName() == name )
return device->getAddress();
}
return QString();
}
void DeviceFinder::slotDisconnect()
{
m_pDeviceHandler->slotDisconnectService();
}