1/****************************************************************************
2**
3** Copyright (C) 2017 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtBluetooth module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51#include "remoteselector.h"
52#include "ui_remoteselector.h"
53
54#include <qbluetoothdeviceinfo.h>
55#include <qbluetoothaddress.h>
56#include <qbluetoothtransferrequest.h>
57#include <qbluetoothtransferreply.h>
58#include <qbluetoothlocaldevice.h>
59
60#include <QMovie>
61#include <QMessageBox>
62#include <QFileDialog>
63#include <QCheckBox>
64
65#include "progress.h"
66#include "pindisplay.h"
67
68QT_USE_NAMESPACE
69
70RemoteSelector::RemoteSelector(QWidget *parent)
71: QDialog(parent), ui(new Ui::RemoteSelector),
72 m_localDevice(new QBluetoothLocalDevice), m_pindisplay(0),
73 m_pairingError(false)
74{
75 ui->setupUi(this);
76
77 //Using default Bluetooth adapter
78 QBluetoothAddress adapterAddress = m_localDevice->address();
79
80 /*
81 * In case of multiple Bluetooth adapters it is possible to
82 * set which adapter will be used by providing MAC Address.
83 * Example code:
84 *
85 * QBluetoothAddress adapterAddress("XX:XX:XX:XX:XX:XX");
86 * m_discoveryAgent = new QBluetoothServiceDiscoveryAgent(adapterAddress);
87 */
88
89 m_discoveryAgent = new QBluetoothServiceDiscoveryAgent(adapterAddress);
90
91 connect(sender: m_discoveryAgent, SIGNAL(serviceDiscovered(QBluetoothServiceInfo)),
92 receiver: this, SLOT(serviceDiscovered(QBluetoothServiceInfo)));
93 connect(sender: m_discoveryAgent, SIGNAL(finished()), receiver: this, SLOT(discoveryFinished()));
94 connect(sender: m_discoveryAgent, SIGNAL(canceled()), receiver: this, SLOT(discoveryFinished()));
95
96 ui->remoteDevices->setColumnWidth(column: 3, width: 75);
97 ui->remoteDevices->setColumnWidth(column: 4, width: 100);
98
99 connect(sender: m_localDevice, SIGNAL(pairingDisplayPinCode(QBluetoothAddress,QString)),
100 receiver: this, SLOT(displayPin(QBluetoothAddress,QString)));
101 connect(sender: m_localDevice, SIGNAL(pairingDisplayConfirmation(QBluetoothAddress,QString)),
102 receiver: this, SLOT(displayConfirmation(QBluetoothAddress,QString)));
103 connect(sender: m_localDevice, SIGNAL(pairingFinished(QBluetoothAddress,QBluetoothLocalDevice::Pairing)),
104 receiver: this, SLOT(pairingFinished(QBluetoothAddress,QBluetoothLocalDevice::Pairing)));
105 connect(sender: m_localDevice, SIGNAL(error(QBluetoothLocalDevice::Error)),
106 receiver: this, SLOT(pairingError(QBluetoothLocalDevice::Error)));
107
108 ui->busyWidget->setMovie(new QMovie(":/icons/busy.gif"));
109 ui->busyWidget->movie()->start();
110
111 ui->pairingBusy->setMovie(new QMovie(":/icons/pairing.gif"));
112 ui->pairingBusy->hide();
113
114 ui->remoteDevices->clearContents();
115 ui->remoteDevices->setRowCount(0);
116}
117
118RemoteSelector::~RemoteSelector()
119{
120 delete ui;
121 delete m_discoveryAgent;
122 delete m_localDevice;
123}
124
125void RemoteSelector::startDiscovery(const QBluetoothUuid &uuid)
126{
127 ui->stopButton->setDisabled(false);
128 if (m_discoveryAgent->isActive())
129 m_discoveryAgent->stop();
130
131 m_discoveryAgent->setUuidFilter(uuid);
132 m_discoveryAgent->start();
133
134 if (!m_discoveryAgent->isActive() ||
135 m_discoveryAgent->error() != QBluetoothServiceDiscoveryAgent::NoError) {
136 ui->status->setText(tr(s: "Cannot find remote services."));
137 } else {
138 ui->status->setText(tr(s: "Scanning..."));
139 ui->busyWidget->show();
140 ui->busyWidget->movie()->start();
141 }
142}
143
144QBluetoothServiceInfo RemoteSelector::service() const
145{
146 return m_service;
147}
148
149void RemoteSelector::serviceDiscovered(const QBluetoothServiceInfo &serviceInfo)
150{
151#if 0
152 qDebug() << "Discovered service on"
153 << serviceInfo.device().name() << serviceInfo.device().address().toString();
154 qDebug() << "\tService name:" << serviceInfo.serviceName();
155 qDebug() << "\tDescription:"
156 << serviceInfo.attribute(QBluetoothServiceInfo::ServiceDescription).toString();
157 qDebug() << "\tProvider:"
158 << serviceInfo.attribute(QBluetoothServiceInfo::ServiceProvider).toString();
159 qDebug() << "\tL2CAP protocol service multiplexer:"
160 << serviceInfo.protocolServiceMultiplexer();
161 qDebug() << "\tRFCOMM server channel:" << serviceInfo.serverChannel();
162#endif
163
164 QString remoteName;
165 if (serviceInfo.device().name().isEmpty())
166 remoteName = serviceInfo.device().address().toString();
167 else
168 remoteName = serviceInfo.device().name();
169
170// QListWidgetItem *item =
171// new QListWidgetItem(QString::fromLatin1("%1\t%2\t%3").arg(serviceInfo.device().address().toString(),
172// serviceInfo.device().name(), serviceInfo.serviceName()));
173
174 const QBluetoothAddress address = serviceInfo.device().address();
175 for (QBluetoothServiceInfo &info : m_discoveredServices) {
176 if (info.device().address() == address){
177 info = serviceInfo;
178 return;
179 }
180 }
181
182 int row = ui->remoteDevices->rowCount();
183 ui->remoteDevices->insertRow(row);
184 QTableWidgetItem *item = new QTableWidgetItem(address.toString());
185 ui->remoteDevices->setItem(row, column: 0, item);
186 item = new QTableWidgetItem(serviceInfo.device().name());
187 ui->remoteDevices->setItem(row, column: 1, item);
188 item = new QTableWidgetItem(serviceInfo.serviceName());
189
190 ui->remoteDevices->setItem(row, column: 2, item);
191
192 QBluetoothLocalDevice::Pairing p = m_localDevice->pairingStatus(address);
193
194 ui->remoteDevices->blockSignals(b: true);
195
196 item = new QTableWidgetItem();
197 if ((p&QBluetoothLocalDevice::Paired) || (p&QBluetoothLocalDevice::AuthorizedPaired))
198 item->setCheckState(Qt::Checked);
199 else
200 item->setCheckState(Qt::Unchecked);
201 ui->remoteDevices->setItem(row, column: 3, item);
202
203 item = new QTableWidgetItem();
204 if (p&QBluetoothLocalDevice::AuthorizedPaired)
205 item->setCheckState(Qt::Checked);
206 else
207 item->setCheckState(Qt::Unchecked);
208
209 ui->remoteDevices->setItem(row, column: 4, item);
210
211 ui->remoteDevices->blockSignals(b: false);
212
213
214 m_discoveredServices.insert(akey: row, avalue: serviceInfo);
215}
216
217void RemoteSelector::discoveryFinished()
218{
219 ui->status->setText(tr(s: "Select the device to send to."));
220 ui->stopButton->setDisabled(true);
221 ui->busyWidget->movie()->stop();
222 ui->busyWidget->hide();
223}
224
225void RemoteSelector::startDiscovery()
226{
227 startDiscovery(uuid: QBluetoothUuid(QBluetoothUuid::ObexObjectPush));
228}
229
230void RemoteSelector::on_refreshPB_clicked()
231{
232 startDiscovery();
233 ui->stopButton->setDisabled(false);
234}
235
236void RemoteSelector::on_fileSelectPB_clicked()
237{
238 ui->fileName->setText(QFileDialog::getOpenFileName());
239 if (m_service.isValid())
240 ui->sendButton->setDisabled(false);
241}
242
243void RemoteSelector::on_sendButton_clicked()
244{
245 QBluetoothTransferManager mgr;
246 QBluetoothTransferRequest req(m_service.device().address());
247
248 m_file = new QFile(ui->fileName->text());
249
250 Progress *p = new Progress;
251 p->setStatus(title: "Sending to: " + m_service.device().name(), filename: "Waiting for start");
252 p->show();
253
254 QBluetoothTransferReply *reply = mgr.put(request: req, data: m_file);
255 //mgr is default parent
256 //ensure that mgr doesn't take reply down when leaving scope
257 reply->setParent(this);
258 if (reply->error()){
259 qDebug() << "Failed to send file";
260 p->finished(reply);
261 reply->deleteLater();
262 return;
263 }
264
265 connect(sender: reply, SIGNAL(transferProgress(qint64,qint64)), receiver: p, SLOT(uploadProgress(qint64,qint64)));
266 connect(sender: reply, SIGNAL(finished(QBluetoothTransferReply*)), receiver: p, SLOT(finished(QBluetoothTransferReply*)));
267 connect(sender: p, SIGNAL(rejected()), receiver: reply, SLOT(abort()));
268}
269
270void RemoteSelector::on_stopButton_clicked()
271{
272 m_discoveryAgent->stop();
273}
274
275QString RemoteSelector::addressToName(const QBluetoothAddress &address) const
276{
277 for (const QBluetoothServiceInfo &info : m_discoveredServices) {
278 if (info.device().address() == address)
279 return info.device().name();
280 }
281 return address.toString();
282}
283
284void RemoteSelector::displayPin(const QBluetoothAddress &address, QString pin)
285{
286 if (m_pindisplay)
287 m_pindisplay->deleteLater();
288 m_pindisplay = new pinDisplay(QString("Enter pairing pin on: %1").arg(a: addressToName(address)), pin, this);
289 m_pindisplay->show();
290}
291
292void RemoteSelector::displayConfirmation(const QBluetoothAddress &address, QString pin)
293{
294 Q_UNUSED(address);
295
296 if (m_pindisplay)
297 m_pindisplay->deleteLater();
298 m_pindisplay = new pinDisplay(QString("Confirm this pin is the same"), pin, this);
299 connect(sender: m_pindisplay, SIGNAL(accepted()), receiver: this, SLOT(displayConfAccepted()));
300 connect(sender: m_pindisplay, SIGNAL(rejected()), receiver: this, SLOT(displayConfReject()));
301 m_pindisplay->setOkCancel();
302 m_pindisplay->show();
303}
304
305void RemoteSelector::displayConfAccepted()
306{
307 m_localDevice->pairingConfirmation(confirmation: true);
308}
309void RemoteSelector::displayConfReject()
310{
311 m_localDevice->pairingConfirmation(confirmation: false);
312}
313
314void RemoteSelector::pairingFinished(const QBluetoothAddress &address, QBluetoothLocalDevice::Pairing status)
315{
316 QBluetoothServiceInfo service;
317 int row = 0;
318
319 ui->pairingBusy->hide();
320 ui->pairingBusy->movie()->stop();
321
322 ui->remoteDevices->blockSignals(b: true);
323
324 for (int i = 0; i < m_discoveredServices.count(); i++){
325 if (m_discoveredServices.value(akey: i).device().address() == address){
326 service = m_discoveredServices.value(akey: i);
327 row = i;
328 break;
329 }
330 }
331
332 if (m_pindisplay)
333 delete m_pindisplay;
334
335 QMessageBox msgBox;
336 if (m_pairingError) {
337 msgBox.setText("Pairing failed with " + address.toString());
338 } else if (status == QBluetoothLocalDevice::Paired
339 || status == QBluetoothLocalDevice::AuthorizedPaired) {
340 msgBox.setText("Paired successfully with " + address.toString());
341 } else {
342 msgBox.setText("Pairing released with " + address.toString());
343 }
344
345 if (service.isValid()){
346 if (status == QBluetoothLocalDevice::AuthorizedPaired){
347 ui->remoteDevices->item(row, column: 3)->setCheckState(Qt::Checked);
348 ui->remoteDevices->item(row, column: 4)->setCheckState(Qt::Checked);
349 }
350 else if (status == QBluetoothLocalDevice::Paired){
351 ui->remoteDevices->item(row, column: 3)->setCheckState(Qt::Checked);
352 ui->remoteDevices->item(row, column: 4)->setCheckState(Qt::Unchecked);
353 }
354 else {
355 ui->remoteDevices->item(row, column: 3)->setCheckState(Qt::Unchecked);
356 ui->remoteDevices->item(row, column: 4)->setCheckState(Qt::Unchecked);
357 }
358 }
359
360 m_pairingError = false;
361 msgBox.exec();
362
363 ui->remoteDevices->blockSignals(b: false);
364}
365
366void RemoteSelector::pairingError(QBluetoothLocalDevice::Error error)
367{
368 if (error != QBluetoothLocalDevice::PairingError)
369 return;
370
371 m_pairingError = true;
372 pairingFinished(address: m_service.device().address(), status: QBluetoothLocalDevice::Unpaired);
373}
374
375void RemoteSelector::on_remoteDevices_cellClicked(int row, int column)
376{
377 Q_UNUSED(column);
378
379 m_service = m_discoveredServices.value(akey: row);
380 if (!ui->fileName->text().isEmpty()) {
381 ui->sendButton->setDisabled(false);
382 }
383}
384
385void RemoteSelector::on_remoteDevices_itemChanged(QTableWidgetItem* item)
386{
387 int row = item->row();
388 int column = item->column();
389 m_service = m_discoveredServices.value(akey: row);
390
391 if (column < 3)
392 return;
393
394 if (item->checkState() == Qt::Unchecked && column == 3){
395 m_localDevice->requestPairing(address: m_service.device().address(), pairing: QBluetoothLocalDevice::Unpaired);
396 return; // don't continue and start movie
397 }
398 else if ((item->checkState() == Qt::Checked && column == 3) ||
399 (item->checkState() == Qt::Unchecked && column == 4)){
400 m_localDevice->requestPairing(address: m_service.device().address(), pairing: QBluetoothLocalDevice::Paired);
401 ui->remoteDevices->blockSignals(b: true);
402 ui->remoteDevices->item(row, column)->setCheckState(Qt::PartiallyChecked);
403 ui->remoteDevices->blockSignals(b: false);
404 }
405 else if (item->checkState() == Qt::Checked && column == 4){
406 m_localDevice->requestPairing(address: m_service.device().address(), pairing: QBluetoothLocalDevice::AuthorizedPaired);
407 ui->remoteDevices->blockSignals(b: true);
408 ui->remoteDevices->item(row, column)->setCheckState(Qt::PartiallyChecked);
409 ui->remoteDevices->blockSignals(b: false);
410 }
411 ui->pairingBusy->show();
412 ui->pairingBusy->movie()->start();
413}
414

source code of qtconnectivity/examples/bluetooth/btfiletransfer/remoteselector.cpp