File indexing completed on 2024-04-28 15:25:35

 /* This file is part of the KDE libraries
  * SPDX-FileCopyrightText: 2009 Dario Freddi <drf at kde.org>
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
  */
 
 #include "xscreensaverbasedpoller.h"
 
 #include <config-kidletime.h>
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 #include <QGuiApplication>
 #else
 #include <QX11Info>
 #endif
 
 // sourcing the moc file before the Xlib include,
 // whose defines like "Bool" break Qt names
 #include "moc_xscreensaverbasedpoller.cpp"
 
 #include <X11/Xlib.h>
 #include <X11/extensions/scrnsaver.h>
 
 static Display *display()
 {
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     return QX11Info::display();
 #else
     return qGuiApp->nativeInterface<QNativeInterface::QX11Application>()->display();
 #endif
 }
 
 XScreensaverBasedPoller::XScreensaverBasedPoller(QObject *parent)
     : WidgetBasedPoller(parent)
     , m_screenSaverIface(nullptr)
 {
 }
 
 XScreensaverBasedPoller::~XScreensaverBasedPoller()
 {
 }
 
 bool XScreensaverBasedPoller::additionalSetUp()
 {
     m_screenSaverIface = new OrgFreedesktopScreenSaverInterface(QLatin1String("org.freedesktop.ScreenSaver"),
                                                                 QLatin1String("/ScreenSaver"),
                                                                 QDBusConnection::sessionBus(),
                                                                 this);
 
     connect(m_screenSaverIface, &OrgFreedesktopScreenSaverInterface::ActiveChanged, this, &XScreensaverBasedPoller::screensaverActivated);
 
     return true;
 }
 
 void XScreensaverBasedPoller::screensaverActivated(bool activated)
 {
     // We care only if it has been disactivated
 
     if (!activated) {
         m_screenSaverIface->SimulateUserActivity();
         Q_EMIT resumingFromIdle();
     }
 }
 
 int XScreensaverBasedPoller::getIdleTime()
 {
     XScreenSaverInfo *mitInfo = nullptr;
     mitInfo = XScreenSaverAllocInfo();
     XScreenSaverQueryInfo(display(), DefaultRootWindow(display()), mitInfo);
     int ret = mitInfo->idle;
     XFree(mitInfo);
     return ret;
 }
 
 void XScreensaverBasedPoller::simulateUserActivity()
 {
     stopCatchingIdleEvents();
     XResetScreenSaver(display());
     XFlush(display());
 }