105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
/*
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* Deskflow -- mouse and keyboard sharing utility
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* SPDX-FileCopyrightText: (C) 2012 - 2016 Symless Ltd.
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* SPDX-FileCopyrightText: (C) 2002 Chris Schoeneman
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* SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
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*/
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#include "XWindowsPowerManager.h"
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#include "arch/Arch.h"
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#include "base/Log.h"
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#include <common/constants.h>
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#include <QDBusConnection>
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#include <QDBusError>
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#include <QDBusInterface>
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#include <QDBusReply>
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namespace {
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bool sleepInhibitCall(bool state, XWindowsPowerManager::InhibitScreenServices serviceID)
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{
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std::string error;
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if (!XWindowsPowerManager::inhibitScreenCall(serviceID, state, error)) {
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LOG((CLOG_DEBUG "dbus inhibit error %s", error.c_str()));
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return false;
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}
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return true;
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}
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} // namespace
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XWindowsPowerManager::~XWindowsPowerManager()
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{
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enableSleep();
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}
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void XWindowsPowerManager::disableSleep() const
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{
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if (!sleepInhibitCall(true, XWindowsPowerManager::InhibitScreenServices::kScreenSaver) &&
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!sleepInhibitCall(true, XWindowsPowerManager::InhibitScreenServices::kSessionManager)) {
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LOG((CLOG_WARN "failed to prevent system from going to sleep"));
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}
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}
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void XWindowsPowerManager::enableSleep() const
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{
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if (!sleepInhibitCall(false, XWindowsPowerManager::InhibitScreenServices::kScreenSaver) &&
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!sleepInhibitCall(false, XWindowsPowerManager::InhibitScreenServices::kSessionManager)) {
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LOG((CLOG_WARN "failed to enable system idle sleep"));
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}
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}
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bool XWindowsPowerManager::inhibitScreenCall(InhibitScreenServices serviceID, bool state, std::string &error)
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{
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error = "";
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static const std::array<QString, 2> services = {"org.freedesktop.ScreenSaver", "org.gnome.SessionManager"};
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static const std::array<QString, 2> paths = {"/org/freedesktop/ScreenSaver", "/org/gnome/SessionManager"};
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static std::array<uint, 2> cookies;
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auto serviceNum = static_cast<uint8_t>(serviceID);
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QDBusConnection bus = QDBusConnection::sessionBus();
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if (!bus.isConnected()) {
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error = "bus failed to connect";
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return false;
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}
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QDBusInterface screenSaverInterface(services[serviceNum], paths[serviceNum], services[serviceNum], bus);
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if (!screenSaverInterface.isValid()) {
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error = "screen saver interface failed to initialize";
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return false;
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}
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QDBusReply<uint> reply;
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if (state) {
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if (cookies[serviceNum]) {
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error = "cookies are not empty";
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return false;
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}
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QString msg = "Sleep is manually prevented by the %1 preferences";
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reply = screenSaverInterface.call("Inhibit", kAppName, msg.arg(kAppName));
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if (reply.isValid())
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cookies[serviceNum] = reply.value();
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} else {
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if (!cookies[serviceNum]) {
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error = "cookies are empty";
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return false;
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}
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reply = screenSaverInterface.call("UnInhibit", cookies[serviceNum]);
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cookies[serviceNum] = 0;
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}
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if (!reply.isValid()) {
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QDBusError qerror = reply.error();
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error = qerror.name().toStdString() + " : " + qerror.message().toStdString();
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return false;
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}
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return true;
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}
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