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/****************************************************************************
**
** Copyright (C) 2019 Luxoft Sweden AB
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtIvi module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL-QTAS$
** Commercial License Usage
** Licensees holding valid commercial Qt Automotive Suite licenses may use
** this file in accordance with the commercial license agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and The Qt Company. For
** licensing terms and conditions see https://www.qt.io/terms-conditions.
** For further information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
** SPDX-License-Identifier: LGPL-3.0
**
****************************************************************************/
#include "mediadiscoverybackend.h"
#include "usbdevice.h"
#include <QtDebug>
#include <QTimer>
#include <QSettings>
Q_LOGGING_CATEGORY(qLcROQIviMediaDiscovery, "qtivi.media.qivimediadiscoverybackend.remoteobjects", QtInfoMsg)
MediaDiscoveryBackend::MediaDiscoveryBackend(QObject *parent)
: QIviMediaDeviceDiscoveryModelBackendInterface(parent)
, m_node(nullptr)
, m_initialized(false)
, m_helper(new QIviRemoteObjectReplicaHelper(qLcROQIviMediaDiscovery(), this))
{
}
void MediaDiscoveryBackend::initialize()
{
if (!connectToNode())
return;
if (m_replica->isInitialized()) {
onDevicesChanged(m_replica->devices());
emit initializationDone();
}
QTimer::singleShot(3000, this, [this](){
if (!m_replica->isInitialized())
qCCritical(qLcROQIviMediaDiscovery) << "QtIviMedia.QIviMediaDiscoveryModel wasn't initialized within the timeout period. Please make sure the server is running.";
});
}
void MediaDiscoveryBackend::onDevicesChanged(const QStringList &devices)
{
if (m_initialized)
return;
for (const QString &device : devices) {
qCInfo(qLcROQIviMediaDiscovery) << "Adding USB Device: " << device;
m_deviceMap.insert(device, new USBDevice(device));
}
emit availableDevices(m_deviceMap.values());
m_initialized = true;
}
void MediaDiscoveryBackend::onDeviceAdded(const QString &device)
{
USBDevice *dev = new USBDevice(device);
m_deviceMap.insert(device, dev);
emit deviceAdded(dev);
}
void MediaDiscoveryBackend::onDeviceRemoved(const QString &device)
{
QIviServiceObject *dev = m_deviceMap.take(device);
emit deviceRemoved(dev);
}
bool MediaDiscoveryBackend::connectToNode()
{
static QString configPath;
if (configPath.isEmpty()) {
if (qEnvironmentVariableIsSet("SERVER_CONF_PATH")) {
configPath = QString::fromLocal8Bit(qgetenv("SERVER_CONF_PATH"));
} else {
configPath = QStringLiteral("./server.conf");
qCInfo(qLcROQIviMediaDiscovery) << "Environment variable SERVER_CONF_PATH not defined, using " << configPath;
}
}
QSettings settings(configPath, QSettings::IniFormat);
settings.beginGroup(QStringLiteral("qtivimedia"));
QUrl registryUrl = QUrl(settings.value(QStringLiteral("Registry"), QStringLiteral("local:qtivimedia")).toString());
if (m_url != registryUrl) {
m_url = registryUrl;
// QtRO doesn't allow to change the URL without destroying the Node
delete m_node;
m_node = new QRemoteObjectNode(this);
if (!m_node->connectToNode(m_url)) {
qCCritical(qLcROQIviMediaDiscovery) << "Connection to" << m_url << "failed!";
m_replica.reset();
return false;
}
qCInfo(qLcROQIviMediaDiscovery) << "Connecting to" << m_url;
m_replica.reset(m_node->acquire<QIviMediaDiscoveryModelReplica>(QStringLiteral("QtIviMedia.QIviMediaDiscoveryModel")));
setupConnections();
}
return true;
}
void MediaDiscoveryBackend::setupConnections()
{
connect(m_node, &QRemoteObjectNode::error, m_helper, &QIviRemoteObjectReplicaHelper::onNodeError);
connect(m_helper, &QIviRemoteObjectReplicaHelper::errorChanged, this, &QIviFeatureInterface::errorChanged);
connect(m_replica.data(), &QRemoteObjectReplica::stateChanged, m_helper, &QIviRemoteObjectReplicaHelper::onReplicaStateChanged);
connect(m_replica.data(), &QRemoteObjectReplica::initialized, this, &QIviFeatureInterface::initializationDone);
connect(m_replica.data(), &QIviMediaDiscoveryModelReplica::devicesChanged, this, &MediaDiscoveryBackend::onDevicesChanged);
connect(m_replica.data(), &QIviMediaDiscoveryModelReplica::deviceAdded, this, &MediaDiscoveryBackend::onDeviceAdded);
connect(m_replica.data(), &QIviMediaDiscoveryModelReplica::deviceRemoved, this, &MediaDiscoveryBackend::onDeviceRemoved);
}
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