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screensaver.cpp 3.26 KiB
/*!
* Copyright (C) 2021 by Savoir-faire Linux
* Author: Albert Babí <albert.babi@savoirfairelinux.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "screensaver.h"
#include <QDebug>
ScreenSaver::ScreenSaver(QObject* parent)
#ifdef Q_OS_LINUX
: QObject(parent)
, sessionBus_(QDBusConnection::sessionBus())
, screenSaverInterface_(nullptr)
{
request_ = 0u;
createInterface();
}
#else
: QObject(parent)
{}
#endif
#ifdef Q_OS_LINUX
bool
ScreenSaver::createInterface(void)
{
if (!sessionBus_.isConnected()) {
qWarning() << "dbus not connected";
return false;
}
for (int i = 0; i < N_SERVICES; i++) {
screenSaverInterface_ = new QDBusInterface(services_[i],
paths_[i],
services_[i],
sessionBus_);
if (screenSaverInterface_ && screenSaverInterface_->isValid()) {
qDebug() << "Screen saver dbus interface: " << services_[i];
return true;
}
}
qWarning() << "Cannot find dbus interface for screen saver";
screenSaverInterface_ = nullptr;
return false;
}
#endif
bool
ScreenSaver::inhibit(void)
{
if (isInhibited()) {
qDebug() << "Screen saver already inhibited";
return false;
}
#ifdef Q_OS_LINUX
if (!screenSaverInterface_) {
if (!createInterface()) {
return false;
}
}
QDBusReply<uint> reply = screenSaverInterface_->call("Inhibit", "jami-qt", "In a call");
if (reply.isValid()) {
qDebug() << "Screen saver inhibited";
request_ = static_cast<uint>(reply.value());
return true;
} else {
QDBusError error = reply.error();
qDebug() << "Error inhibiting screen saver: " << error.message() << error.name();
}
#endif
return false;
}
bool
ScreenSaver::uninhibit(void)
{
if (!isInhibited()) {
qDebug() << "Screen saver is not inhibited";
return false;
}
#ifdef Q_OS_LINUX
if (!screenSaverInterface_) {
if (!createInterface()) {
return false;
}
}
QDBusReply<void> reply = screenSaverInterface_->call("UnInhibit", static_cast<uint>(request_));
if (reply.isValid()) {
qDebug() << "Screen saver uninhibited";
request_ = 0u;
return true;
} else {
QDBusError error = reply.error();
qDebug() << "Error uninhibiting screen saver: " << error.message() << error.name();
}
request_ = 0u;
#endif
return false;
}
bool
ScreenSaver::isInhibited(void)
{
#ifdef Q_OS_LINUX
return request_ != 0u;
#endif
return false;
}