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linux: Use D-Bus to inhibit screensaver
This commit is contained in:
robxnano
204
Source/Core/UICommon/DBusUtils.cpp
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204
Source/Core/UICommon/DBusUtils.cpp
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// Copyright 2024 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "UICommon/DBusUtils.h"
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#include <QDBusConnection>
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#include <QDBusInterface>
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#include <QDBusReply>
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#include <QHash>
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#include <QObject>
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#include <QString>
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#include "Common/Logging/Log.h"
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namespace DBusUtils
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{
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static bool InhibitFDO();
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static bool InhibitXfce();
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static bool InhibitMate();
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static bool InhibitPortal();
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static void Uninhibit();
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static constexpr char s_app_id[] = "org.DolphinEmu.dolphin-emu";
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// Cookie for the org.freedesktop.ScreenSaver interface
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static uint32_t s_fdo_cookie = 0;
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// Cookie for the org.xfce.ScreenSaver interface
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static uint32_t s_xfce_cookie = 0;
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// Cookie for the org.mate.ScreenSaver interface
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static uint32_t s_mate_cookie = 0;
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// Return handle for the org.freedesktop.portal.Desktop interface
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static QString s_portal_handle;
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// Uses D-Bus to inhibit the screensaver
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// Tries various D-Bus interfaces until it finds one that works
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void InhibitScreenSaver(bool inhibit)
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{
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if (inhibit)
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{
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if (s_fdo_cookie || s_xfce_cookie || s_mate_cookie || !s_portal_handle.isEmpty())
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return;
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if (!InhibitFDO() && !InhibitXfce() && !InhibitMate() && !InhibitPortal())
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INFO_LOG_FMT(VIDEO, "Could not inhibit screensaver: No services available");
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}
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else
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Uninhibit();
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}
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// Inhibits screensaver on Xfce desktop
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static bool InhibitXfce()
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{
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QDBusInterface interface("org.xfce.ScreenSaver", "/", "org.xfce.ScreenSaver");
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if (!interface.isValid())
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return false;
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QDBusReply<uint32_t> reply = interface.call("Inhibit", s_app_id, QObject::tr("Playing a game"));
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if (interface.lastError().isValid())
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{
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WARN_LOG_FMT(VIDEO, "org.xfce.ScreenSaver::Inhibit failed: {}",
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interface.lastError().message().toStdString());
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return false;
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}
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INFO_LOG_FMT(VIDEO, "org.xfce.ScreenSaver::Inhibit succeeded");
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s_xfce_cookie = reply;
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return true;
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}
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// Inhibits screensaver on the MATE desktop
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// MATE advertises support for xdg-desktop-portal Inhibit,
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// but it doesn't work as of Fedora 40
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static bool InhibitMate()
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{
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QDBusInterface interface("org.mate.ScreenSaver", "/org/mate/ScreenSaver", "org.mate.ScreenSaver");
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if (!interface.isValid())
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return false;
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QDBusReply<uint32_t> reply = interface.call("Inhibit", s_app_id, QObject::tr("Playing a game"));
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if (interface.lastError().isValid())
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{
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WARN_LOG_FMT(VIDEO, "org.mate.ScreenSaver::Inhibit failed: {}",
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interface.lastError().message().toStdString());
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return false;
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}
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INFO_LOG_FMT(VIDEO, "org.mate.ScreenSaver::Inhibit succeeded");
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s_mate_cookie = reply;
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return true;
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}
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// Inhibits screensaver on GNOME, KDE and Cinnamon
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static bool InhibitFDO()
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{
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QDBusInterface interface("org.freedesktop.ScreenSaver", "/org/freedesktop/ScreenSaver",
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"org.freedesktop.ScreenSaver");
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if (!interface.isValid())
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return false;
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QDBusReply<uint32_t> reply = interface.call("Inhibit", s_app_id, QObject::tr("Playing a game"));
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if (interface.lastError().isValid())
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{
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WARN_LOG_FMT(VIDEO, "org.freedesktop.ScreenSaver::Inhibit failed: {}",
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interface.lastError().message().toStdString());
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return false;
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}
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INFO_LOG_FMT(VIDEO, "org.freedesktop.ScreenSaver::Inhibit succeeded");
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s_fdo_cookie = reply;
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return true;
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}
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// Inhibits screensaver when sandboxed through Flatpak
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// Does not work on KDE Plasma versions before 6.1.5
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static bool InhibitPortal()
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{
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QDBusInterface interface("org.freedesktop.portal.Desktop", "/org/freedesktop/portal/desktop",
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"org.freedesktop.portal.Inhibit");
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if (!interface.isValid())
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return false;
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QHash<QString, QVariant> options;
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options["handle_token"] = "dolphin_" + QString::number(std::rand(), 0x10);
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options["reason"] = QObject::tr("Playing a game");
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uint32_t flags = 9; // logout | idle
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QDBusReply<QDBusObjectPath> reply = interface.call("Inhibit", "", flags, options);
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if (interface.lastError().isValid())
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{
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WARN_LOG_FMT(VIDEO, "org.freedesktop.portal.Desktop::Inhibit failed: {}",
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interface.lastError().message().toStdString());
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return false;
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}
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INFO_LOG_FMT(VIDEO, "org.freedesktop.portal.Desktop::Inhibit succeeded");
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s_portal_handle = reply.value().path();
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return true;
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}
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static void Uninhibit()
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{
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if (s_fdo_cookie)
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{
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QDBusInterface interface("org.freedesktop.ScreenSaver", "/org/freedesktop/ScreenSaver",
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"org.freedesktop.ScreenSaver");
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interface.call("UnInhibit", s_fdo_cookie);
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if (interface.lastError().isValid())
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{
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WARN_LOG_FMT(VIDEO, "org.freedesktop.ScreenSaver::UnInhibit failed: {}",
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interface.lastError().message().toStdString());
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}
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else
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{
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INFO_LOG_FMT(VIDEO, "org.freedesktop.ScreenSaver::UnInhibit succeeded");
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}
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s_fdo_cookie = 0;
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}
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if (s_xfce_cookie)
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{
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QDBusInterface interface("org.xfce.ScreenSaver", "/org/xfce/ScreenSaver",
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"org.xfce.ScreenSaver");
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interface.call("UnInhibit", s_xfce_cookie);
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if (interface.lastError().isValid())
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{
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WARN_LOG_FMT(VIDEO, "org.xfce.ScreenSaver::UnInhibit failed: {}",
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interface.lastError().message().toStdString());
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}
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else
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{
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INFO_LOG_FMT(VIDEO, "org.xfce.ScreenSaver::UnInhibit succeeded");
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}
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s_xfce_cookie = 0;
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}
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if (s_mate_cookie)
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{
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QDBusInterface interface("org.mate.ScreenSaver", "/", "org.mate.ScreenSaver");
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interface.call("UnInhibit", s_mate_cookie);
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if (interface.lastError().isValid())
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{
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WARN_LOG_FMT(VIDEO, "org.mate.ScreenSaver::UnInhibit failed: {}",
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interface.lastError().message().toStdString());
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}
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else
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{
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INFO_LOG_FMT(VIDEO, "org.mate.ScreenSaver::UnInhibit succeeded");
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}
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s_mate_cookie = 0;
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}
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if (!s_portal_handle.isEmpty())
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{
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QDBusInterface interface("org.freedesktop.portal.Desktop", s_portal_handle,
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"org.freedesktop.portal.Request");
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interface.call("Close");
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if (interface.lastError().isValid())
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{
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WARN_LOG_FMT(VIDEO, "org.freedesktop.portal.Request::Close failed: {}",
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interface.lastError().message().toStdString());
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}
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else
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{
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INFO_LOG_FMT(VIDEO, "org.freedesktop.portal.Request::Close succeeded");
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}
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s_portal_handle = QString();
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}
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}
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} // namespace DBusUtils
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