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50 
51 #include "device.h"
52 #include "service.h"
53 
54 #include <qbluetoothaddress.h>
55 #include <qbluetoothdevicediscoveryagent.h>
56 #include <qbluetoothlocaldevice.h>
57 #include <QMenu>
58 #include <QDebug>
59 
DeviceDiscoveryDialog(QWidget * parent)60 DeviceDiscoveryDialog::DeviceDiscoveryDialog(QWidget *parent)
61 :   QDialog(parent), localDevice(new QBluetoothLocalDevice),
62     ui(new Ui_DeviceDiscovery)
63 {
64     ui->setupUi(this);
65 
66     /*
67      * In case of multiple Bluetooth adapters it is possible to set adapter
68      * which will be used. Example code:
69      *
70      * QBluetoothAddress address("XX:XX:XX:XX:XX:XX");
71      * discoveryAgent = new QBluetoothDeviceDiscoveryAgent(address);
72      *
73      **/
74 
75     discoveryAgent = new QBluetoothDeviceDiscoveryAgent();
76 
77     connect(ui->inquiryType, SIGNAL(toggled(bool)), this, SLOT(setGeneralUnlimited(bool)));
78     connect(ui->scan, SIGNAL(clicked()), this, SLOT(startScan()));
79 
80     connect(discoveryAgent, SIGNAL(deviceDiscovered(QBluetoothDeviceInfo)),
81             this, SLOT(addDevice(QBluetoothDeviceInfo)));
82     connect(discoveryAgent, SIGNAL(finished()), this, SLOT(scanFinished()));
83 
84     connect(ui->list, SIGNAL(itemActivated(QListWidgetItem*)),
85             this, SLOT(itemActivated(QListWidgetItem*)));
86 
87     connect(localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)),
88             this, SLOT(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
89 
90     hostModeStateChanged(localDevice->hostMode());
91     // add context menu for devices to be able to pair device
92     ui->list->setContextMenuPolicy(Qt::CustomContextMenu);
93     connect(ui->list, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(displayPairingMenu(QPoint)));
94     connect(localDevice, SIGNAL(pairingFinished(QBluetoothAddress,QBluetoothLocalDevice::Pairing))
95         , this, SLOT(pairingDone(QBluetoothAddress,QBluetoothLocalDevice::Pairing)));
96 
97 }
98 
~DeviceDiscoveryDialog()99 DeviceDiscoveryDialog::~DeviceDiscoveryDialog()
100 {
101     delete discoveryAgent;
102 }
103 
addDevice(const QBluetoothDeviceInfo & info)104 void DeviceDiscoveryDialog::addDevice(const QBluetoothDeviceInfo &info)
105 {
106     QString label = QString("%1 %2").arg(info.address().toString()).arg(info.name());
107     QList<QListWidgetItem *> items = ui->list->findItems(label, Qt::MatchExactly);
108     if (items.empty()) {
109         QListWidgetItem *item = new QListWidgetItem(label);
110         QBluetoothLocalDevice::Pairing pairingStatus = localDevice->pairingStatus(info.address());
111         if (pairingStatus == QBluetoothLocalDevice::Paired || pairingStatus == QBluetoothLocalDevice::AuthorizedPaired )
112             item->setForeground(QColor(Qt::green));
113         else
114             item->setForeground(QColor(Qt::black));
115 
116         ui->list->addItem(item);
117     }
118 
119 }
120 
startScan()121 void DeviceDiscoveryDialog::startScan()
122 {
123     discoveryAgent->start();
124     ui->scan->setEnabled(false);
125     ui->inquiryType->setEnabled(false);
126 }
127 
scanFinished()128 void DeviceDiscoveryDialog::scanFinished()
129 {
130     ui->scan->setEnabled(true);
131     ui->inquiryType->setEnabled(true);
132 }
133 
setGeneralUnlimited(bool unlimited)134 void DeviceDiscoveryDialog::setGeneralUnlimited(bool unlimited)
135 {
136     if (unlimited)
137         discoveryAgent->setInquiryType(QBluetoothDeviceDiscoveryAgent::GeneralUnlimitedInquiry);
138     else
139         discoveryAgent->setInquiryType(QBluetoothDeviceDiscoveryAgent::LimitedInquiry);
140 }
141 
itemActivated(QListWidgetItem * item)142 void DeviceDiscoveryDialog::itemActivated(QListWidgetItem *item)
143 {
144     QString text = item->text();
145 
146     int index = text.indexOf(' ');
147 
148     if (index == -1)
149         return;
150 
151     QBluetoothAddress address(text.left(index));
152     QString name(text.mid(index + 1));
153 
154     ServiceDiscoveryDialog d(name, address);
155     d.exec();
156 }
157 
on_discoverable_clicked(bool clicked)158 void DeviceDiscoveryDialog::on_discoverable_clicked(bool clicked)
159 {
160     if (clicked)
161         localDevice->setHostMode(QBluetoothLocalDevice::HostDiscoverable);
162     else
163         localDevice->setHostMode(QBluetoothLocalDevice::HostConnectable);
164 }
165 
on_power_clicked(bool clicked)166 void DeviceDiscoveryDialog::on_power_clicked(bool clicked)
167 {
168     if (clicked)
169         localDevice->powerOn();
170     else
171         localDevice->setHostMode(QBluetoothLocalDevice::HostPoweredOff);
172 }
173 
hostModeStateChanged(QBluetoothLocalDevice::HostMode mode)174 void DeviceDiscoveryDialog::hostModeStateChanged(QBluetoothLocalDevice::HostMode mode)
175 {
176     if (mode != QBluetoothLocalDevice::HostPoweredOff)
177         ui->power->setChecked(true);
178     else
179        ui->power->setChecked( false);
180 
181     if (mode == QBluetoothLocalDevice::HostDiscoverable)
182         ui->discoverable->setChecked(true);
183     else
184         ui->discoverable->setChecked(false);
185 
186     bool on = !(mode == QBluetoothLocalDevice::HostPoweredOff);
187 
188 
189     ui->scan->setEnabled(on);
190     ui->discoverable->setEnabled(on);
191 }
displayPairingMenu(const QPoint & pos)192 void DeviceDiscoveryDialog::displayPairingMenu(const QPoint &pos)
193 {
194     if (ui->list->count() == 0)
195         return;
196     QMenu menu(this);
197     QAction *pairAction = menu.addAction("Pair");
198     QAction *removePairAction = menu.addAction("Remove Pairing");
199     QAction *chosenAction = menu.exec(ui->list->viewport()->mapToGlobal(pos));
200     QListWidgetItem *currentItem = ui->list->currentItem();
201 
202     QString text = currentItem->text();
203     int index = text.indexOf(' ');
204     if (index == -1)
205         return;
206 
207     QBluetoothAddress address (text.left(index));
208     if (chosenAction == pairAction) {
209         localDevice->requestPairing(address, QBluetoothLocalDevice::Paired);
210     } else if (chosenAction == removePairAction) {
211         localDevice->requestPairing(address, QBluetoothLocalDevice::Unpaired);
212     }
213 }
pairingDone(const QBluetoothAddress & address,QBluetoothLocalDevice::Pairing pairing)214 void DeviceDiscoveryDialog::pairingDone(const QBluetoothAddress &address, QBluetoothLocalDevice::Pairing pairing)
215 {
216     QList<QListWidgetItem *> items = ui->list->findItems(address.toString(), Qt::MatchContains);
217 
218     if (pairing == QBluetoothLocalDevice::Paired || pairing == QBluetoothLocalDevice::AuthorizedPaired ) {
219         for (int var = 0; var < items.count(); ++var) {
220             QListWidgetItem *item = items.at(var);
221             item->setForeground(QColor(Qt::green));
222         }
223     } else {
224         for (int var = 0; var < items.count(); ++var) {
225             QListWidgetItem *item = items.at(var);
226             item->setForeground(QColor(Qt::red));
227         }
228     }
229 }
230