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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "remoteselector.h"
#include "ui_remoteselector.h"
#include <QBluetoothAddress>
#include <QBluetoothLocalDevice>
#include <QBluetoothServiceDiscoveryAgent>
#include <QBluetoothUuid>
#include <QGuiApplication>
#include <QStyleHints>
#include <QListWidget>
using namespace Qt::StringLiterals;
RemoteSelector::RemoteSelector(const QBluetoothAddress &localAdapter, QWidget *parent)
: QDialog(parent), ui(new Ui::RemoteSelector)
{
ui->setupUi(this);
#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
setWindowState(Qt::WindowMaximized);
#endif
QStyleHints *styleHints = qGuiApp->styleHints();
updateIcon(styleHints->colorScheme());
connect(styleHints, &QStyleHints::colorSchemeChanged, this, &RemoteSelector::updateIcon);
//! [createDiscoveryAgent]
m_discoveryAgent = new QBluetoothServiceDiscoveryAgent(localAdapter);
connect(m_discoveryAgent, &QBluetoothServiceDiscoveryAgent::serviceDiscovered,
this, &RemoteSelector::serviceDiscovered);
connect(m_discoveryAgent, &QBluetoothServiceDiscoveryAgent::finished,
this, &RemoteSelector::discoveryFinished);
connect(m_discoveryAgent, &QBluetoothServiceDiscoveryAgent::canceled,
this, &RemoteSelector::discoveryFinished);
//! [createDiscoveryAgent]
}
RemoteSelector::~RemoteSelector()
{
delete ui;
delete m_discoveryAgent;
}
void RemoteSelector::startDiscovery(const QBluetoothUuid &uuid)
{
ui->status->setText(tr("Scanning..."));
if (m_discoveryAgent->isActive())
m_discoveryAgent->stop();
ui->remoteDevices->clear();
//! [startDiscovery]
m_discoveryAgent->setUuidFilter(uuid);
m_discoveryAgent->start(QBluetoothServiceDiscoveryAgent::FullDiscovery);
//! [startDiscovery]
}
void RemoteSelector::stopDiscovery()
{
if (m_discoveryAgent){
m_discoveryAgent->stop();
}
}
QBluetoothServiceInfo RemoteSelector::service() const
{
return m_service;
}
void RemoteSelector::serviceDiscovered(const QBluetoothServiceInfo &serviceInfo)
{
#if 0
qDebug() << "Discovered service on"
<< serviceInfo.device().name() << serviceInfo.device().address().toString();
qDebug() << "\tService name:" << serviceInfo.serviceName();
qDebug() << "\tDescription:"
<< serviceInfo.attribute(QBluetoothServiceInfo::ServiceDescription).toString();
qDebug() << "\tProvider:"
<< serviceInfo.attribute(QBluetoothServiceInfo::ServiceProvider).toString();
qDebug() << "\tL2CAP protocol service multiplexer:"
<< serviceInfo.protocolServiceMultiplexer();
qDebug() << "\tRFCOMM server channel:" << serviceInfo.serverChannel();
#endif
const QBluetoothAddress address = serviceInfo.device().address();
for (const QBluetoothServiceInfo &info : std::as_const(m_discoveredServices)) {
if (info.device().address() == address)
return;
}
//! [serviceDiscovered]
QString remoteName;
if (serviceInfo.device().name().isEmpty())
remoteName = address.toString();
else
remoteName = serviceInfo.device().name();
QListWidgetItem *item =
new QListWidgetItem(QString::fromLatin1("%1 %2").arg(remoteName,
serviceInfo.serviceName()));
m_discoveredServices.insert(item, serviceInfo);
ui->remoteDevices->addItem(item);
//! [serviceDiscovered]
}
void RemoteSelector::discoveryFinished()
{
ui->status->setText(tr("Select the chat service to connect to."));
}
void RemoteSelector::updateIcon(Qt::ColorScheme scheme)
{
const QString bluetoothIconName = (scheme == Qt::ColorScheme::Dark) ? u"bluetooth_dark"_s
: u"bluetooth"_s;
const QIcon bluetoothIcon = QIcon::fromTheme(bluetoothIconName);
ui->iconLabel->setPixmap(bluetoothIcon.pixmap(24, 24, QIcon::Normal, QIcon::On));
}
void RemoteSelector::on_remoteDevices_itemActivated(QListWidgetItem *item)
{
m_service = m_discoveredServices.value(item);
if (m_discoveryAgent->isActive())
m_discoveryAgent->stop();
accept();
}
void RemoteSelector::on_remoteDevices_itemClicked(QListWidgetItem *)
{
ui->connectButton->setEnabled(true);
ui->connectButton->setFocus();
}
void RemoteSelector::on_connectButton_clicked()
{
auto items = ui->remoteDevices->selectedItems();
if (items.size()) {
QListWidgetItem *item = items[0];
m_service = m_discoveredServices.value(item);
if (m_discoveryAgent->isActive())
m_discoveryAgent->stop();
accept();
}
}
void RemoteSelector::on_cancelButton_clicked()
{
reject();
}
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