| 1 | /* This file is part of the KDE libraries |
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| 2 | * SPDX-FileCopyrightText: 2009 Dario Freddi <drf at kde.org> |
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| 3 | * |
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| 4 | * SPDX-License-Identifier: LGPL-2.1-or-later |
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| 5 | */ |
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| 6 | |
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| 7 | #include "xscreensaverbasedpoller.h" |
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| 8 | |
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| 9 | #include <config-kidletime.h> |
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| 10 | |
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| 11 | #include <QGuiApplication> |
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| 12 | |
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| 13 | // sourcing the moc file before the Xlib include, |
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| 14 | // whose defines like "Bool" break Qt names |
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| 15 | #include "moc_xscreensaverbasedpoller.cpp" |
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| 16 | |
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| 17 | #include <X11/Xlib.h> |
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| 18 | #include <X11/extensions/scrnsaver.h> |
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| 19 | |
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| 20 | static Display *display() |
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| 21 | { |
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| 22 | return qGuiApp->nativeInterface<QNativeInterface::QX11Application>()->display(); |
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| 23 | } |
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| 24 | |
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| 25 | XScreensaverBasedPoller::XScreensaverBasedPoller(QObject *parent) |
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| 26 | : KWindowBasedIdleTimePoller(parent) |
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| 27 | , m_screenSaverIface(nullptr) |
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| 28 | { |
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| 29 | } |
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| 30 | |
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| 31 | XScreensaverBasedPoller::~XScreensaverBasedPoller() |
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| 32 | { |
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| 33 | } |
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| 34 | |
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| 35 | bool XScreensaverBasedPoller::additionalSetUp() |
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| 36 | { |
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| 37 | m_screenSaverIface = new OrgFreedesktopScreenSaverInterface(QLatin1String("org.freedesktop.ScreenSaver" ), |
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| 38 | QLatin1String("/ScreenSaver" ), |
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| 39 | QDBusConnection::sessionBus(), |
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| 40 | this); |
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| 41 | |
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| 42 | connect(sender: m_screenSaverIface, signal: &OrgFreedesktopScreenSaverInterface::ActiveChanged, context: this, slot: &XScreensaverBasedPoller::screensaverActivated); |
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| 43 | |
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| 44 | return true; |
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| 45 | } |
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| 46 | |
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| 47 | void XScreensaverBasedPoller::screensaverActivated(bool activated) |
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| 48 | { |
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| 49 | // We care only if it has been disactivated |
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| 50 | |
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| 51 | if (!activated) { |
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| 52 | m_screenSaverIface->SimulateUserActivity(); |
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| 53 | Q_EMIT resumingFromIdle(); |
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| 54 | } |
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| 55 | } |
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| 56 | |
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| 57 | int XScreensaverBasedPoller::getIdleTime() |
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| 58 | { |
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| 59 | XScreenSaverInfo *mitInfo = nullptr; |
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| 60 | mitInfo = XScreenSaverAllocInfo(); |
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| 61 | XScreenSaverQueryInfo(display(), DefaultRootWindow(display()), mitInfo); |
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| 62 | int ret = mitInfo->idle; |
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| 63 | XFree(mitInfo); |
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| 64 | return ret; |
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| 65 | } |
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| 66 | |
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| 67 | void XScreensaverBasedPoller::simulateUserActivity() |
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| 68 | { |
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| 69 | stopCatchingIdleEvents(); |
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| 70 | XResetScreenSaver(display()); |
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| 71 | XFlush(display()); |
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| 72 | } |
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| 73 | |
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