nymea/libnymea/integrations/thingdiscoveryinfo.cpp

121 lines
4.2 KiB
C++

// SPDX-License-Identifier: LGPL-3.0-or-later
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea.
*
* nymea is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* nymea is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with nymea. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "thingdiscoveryinfo.h"
#include "thingmanager.h"
#include <QTimer>
Q_DECLARE_LOGGING_CATEGORY(dcIntegrations)
ThingDiscoveryInfo::ThingDiscoveryInfo(const ThingClassId &thingClassId, const ParamList &params, ThingManager *thingManager, quint32 timeout):
QObject(thingManager),
m_thingClassId(thingClassId),
m_params(params),
m_thingManager(thingManager)
{
connect(this, &ThingDiscoveryInfo::finished, this, &ThingDiscoveryInfo::deleteLater, Qt::QueuedConnection);
// TODO 2.0: Create a base class and move this finished() of all Info classes logic handling there
// That will badly break the ABI, so copy/pasting this for now.
if (timeout > 0) {
QTimer::singleShot(timeout, this, [this] {
// It can happen that a plugin calls finish() in a slot which normally would be dispatched before the timeout
// but due to high system load the slot is invoked only after the timeout. This in turn would cause Qt to also queue up
// this timeout slot and by the time the system processes slots, the plugin comes in first and we'd fire an aborted()
// signal in the plugin after it called finish(), potentially badly breaking the plugin as a plugin developer would not
// expect this to happen. So we'll have to verify here that the plugin did not finish() by now before aborting.
if (!m_finished) {
emit aborted();
// Also it could happen the plugin calls finish() *in* the aborted() signal, in which case
// we don't want to call finish() here now to not print a warning about duplicate finished calls
if (!m_finished) {
finish(Thing::ThingErrorTimeout);
}
}
});
}
}
ThingClassId ThingDiscoveryInfo::thingClassId() const
{
return m_thingClassId;
}
ParamList ThingDiscoveryInfo::params() const
{
return m_params;
}
bool ThingDiscoveryInfo::isFinished() const
{
return m_finished;
}
Thing::ThingError ThingDiscoveryInfo::status() const
{
return m_status;
}
void ThingDiscoveryInfo::addThingDescriptor(const ThingDescriptor &thingDescriptor)
{
m_thingDescriptors.append(thingDescriptor);
}
void ThingDiscoveryInfo::addThingDescriptors(const ThingDescriptors &thingDescriptors)
{
m_thingDescriptors.append(thingDescriptors);
}
ThingDescriptors ThingDiscoveryInfo::thingDescriptors() const
{
return m_thingDescriptors;
}
QString ThingDiscoveryInfo::displayMessage() const
{
return m_displayMessage;
}
QString ThingDiscoveryInfo::translatedDisplayMessage(const QLocale &locale)
{
if (!m_thingManager) {
return m_displayMessage;
}
ThingClass thingClass = m_thingManager->findThingClass(m_thingClassId);
return m_thingManager->translate(thingClass.pluginId(), m_displayMessage.toUtf8(), locale);
}
void ThingDiscoveryInfo::finish(Thing::ThingError status, const QString &displayMessage)
{
if (m_finished) {
qCWarning(dcIntegrations()) << "ThingDiscoveryInfo::finish() called on an already finished object.";
return;
}
m_finished = true;
m_status = status;
m_displayMessage = displayMessage;
staticMetaObject.invokeMethod(this, "finished", Qt::QueuedConnection);
}