File indexing completed on 2024-04-28 16:45:08

 /*
     SPDX-FileCopyrightText: 2012 Alejandro Fiestas Olivares <afiestas@kde.org>
     SPDX-FileCopyrightText: 2015 Daniel Vrátil <dvratil@redhat.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "device.h"
 #include "freedesktop_interface.h"
 #include "kscreen_daemon_debug.h"
 
 Device *Device::m_instance = nullptr;
 
 Device *Device::self()
 {
     if (!Device::m_instance) {
         m_instance = new Device();
     }
 
     return m_instance;
 }
 
 void Device::destroy()
 {
     delete m_instance;
     m_instance = nullptr;
 }
 
 Device::Device(QObject *parent)
     : QObject(parent)
     , m_isReady(false)
     , m_isLaptop(false)
     , m_isLidClosed(false)
 {
     m_freedesktop = new OrgFreedesktopDBusPropertiesInterface(QStringLiteral("org.freedesktop.UPower"),
                                                               QStringLiteral("/org/freedesktop/UPower"),
                                                               QDBusConnection::systemBus(),
                                                               this);
     if (!m_freedesktop->isValid()) {
         qCWarning(KSCREEN_KDED) << "UPower not available, lid detection won't work";
         qCDebug(KSCREEN_KDED) << m_freedesktop->lastError().message();
     } else {
         QDBusConnection::systemBus().connect(QStringLiteral("org.freedesktop.UPower"),
                                              QStringLiteral("/org/freedesktop/UPower"),
                                              QStringLiteral("org.freedesktop.DBus.Properties"),
                                              QStringLiteral("PropertiesChanged"),
                                              this,
                                              SLOT(changed()));
         fetchIsLaptop();
     }
 
     m_suspendSession = new QDBusInterface(QStringLiteral("org.kde.Solid.PowerManagement"),
                                           QStringLiteral("/org/kde/Solid/PowerManagement/Actions/SuspendSession"),
                                           QStringLiteral("org.kde.Solid.PowerManagement.Actions.SuspendSession"),
                                           QDBusConnection::sessionBus(),
                                           this);
     if (m_suspendSession->isValid()) {
         connect(m_suspendSession, SIGNAL(resumingFromSuspend()), this, SIGNAL(resumingFromSuspend()));
         connect(m_suspendSession, SIGNAL(aboutToSuspend()), this, SIGNAL(aboutToSuspend()));
     } else {
         qCWarning(KSCREEN_KDED) << "PowerDevil SuspendSession action not available!";
         qCDebug(KSCREEN_KDED) << m_suspendSession->lastError().message();
     }
 
     fetchIsLaptop();
 }
 
 Device::~Device()
 {
 }
 
 void Device::changed()
 {
     fetchLidIsClosed();
 }
 
 void Device::setReady()
 {
     if (m_isReady) {
         return;
     }
 
     m_isReady = true;
     Q_EMIT ready();
 }
 
 bool Device::isReady() const
 {
     return m_isReady;
 }
 
 bool Device::isLaptop() const
 {
     return m_isLaptop;
 }
 
 bool Device::isLidClosed() const
 {
     return m_isLidClosed;
 }
 
 void Device::fetchIsLaptop()
 {
     QDBusPendingReply<QVariant> res = m_freedesktop->Get(QStringLiteral("org.freedesktop.UPower"), QStringLiteral("LidIsPresent"));
     QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(res);
     connect(watcher, &QDBusPendingCallWatcher::finished, this, &Device::isLaptopFetched);
 }
 
 void Device::isLaptopFetched(QDBusPendingCallWatcher *watcher)
 {
     const QDBusPendingReply<QVariant> reply = *watcher;
     if (reply.isError()) {
         qCDebug(KSCREEN_KDED) << "Couldn't get if the device is a laptop: " << reply.error().message();
         setReady();
         return;
     }
 
     m_isLaptop = reply.value().toBool();
     watcher->deleteLater();
 
     if (!m_isLaptop) {
         setReady();
         return;
     }
 
     fetchLidIsClosed();
 }
 
 void Device::fetchLidIsClosed()
 {
     QDBusPendingReply<QVariant> res = m_freedesktop->Get(QStringLiteral("org.freedesktop.UPower"), QStringLiteral("LidIsClosed"));
     QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(res);
     connect(watcher, &QDBusPendingCallWatcher::finished, this, &Device::isLidClosedFetched);
 }
 
 void Device::isLidClosedFetched(QDBusPendingCallWatcher *watcher)
 {
     const QDBusPendingReply<QVariant> reply = *watcher;
     if (reply.isError()) {
         qCDebug(KSCREEN_KDED) << "Couldn't get if the laptop has the lid closed: " << reply.error().message();
         return;
     }
 
     if (reply.argumentAt<0>() != m_isLidClosed) {
         m_isLidClosed = reply.value().toBool();
         if (m_isReady) {
             Q_EMIT lidClosedChanged(m_isLidClosed);
         }
     }
     watcher->deleteLater();
 
     setReady();
 }