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/*
* Cantata
*
* Copyright (c) 2011-2022 Craig Drummond <craig.p.drummond@gmail.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 2 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "powermanagement.h"
#include "inhibitinterface.h"
#include "login1interface.h"
#include "mpd-interface/mpdstatus.h"
#include "policyagentinterface.h"
#include "support/globalstatic.h"
#include "upowerinterface.h"
#include <QGuiApplication>
#include <QString>
GLOBAL_STATIC(PowerManagement, instance)
PowerManagement::PowerManagement()
: inhibitSuspendWhilstPlaying(false), cookie(-1)
{
policy = new OrgKdeSolidPowerManagementPolicyAgentInterface(OrgKdeSolidPowerManagementPolicyAgentInterface::staticInterfaceName(),
QLatin1String("/org/kde/Solid/PowerManagement/PolicyAgent"),
QDBusConnection::sessionBus(), this);
inhibit = new OrgFreedesktopPowerManagementInhibitInterface("org.freedesktop.PowerManagement",
QLatin1String("/org/freedesktop/PowerManagement/Inhibit"),
QDBusConnection::sessionBus(), this);
upower = new OrgFreedesktopUPowerInterface(OrgFreedesktopUPowerInterface::staticInterfaceName(),
QLatin1String("/org/freedesktop/UPower"), QDBusConnection::systemBus(), this);
login1 = new OrgFreedesktopLogin1ManagerInterface("org.freedesktop.login1",
QLatin1String("/org/freedesktop/login1"), QDBusConnection::systemBus(), this);
connect(upower, SIGNAL(Resuming()), this, SIGNAL(resuming()));
connect(login1, SIGNAL(PrepareForSleep(bool)), this, SLOT(prepareForSleep(bool)));
}
void PowerManagement::setInhibitSuspend(bool i)
{
if (i == inhibitSuspendWhilstPlaying) {
return;
}
inhibitSuspendWhilstPlaying = i;
if (inhibitSuspendWhilstPlaying) {
connect(MPDStatus::self(), SIGNAL(updated()), this, SLOT(mpdStatusUpdated()));
if (MPDState_Playing == MPDStatus::self()->state()) {
beginSuppressingSleep();
}
}
else {
disconnect(MPDStatus::self(), SIGNAL(updated()), this, SLOT(mpdStatusUpdated()));
stopSuppressingSleep();
}
}
void PowerManagement::beginSuppressingSleep()
{
if (-1 != cookie || descriptor.isValid()) {
return;
}
QString reason = tr("Cantata is playing a track");
QDBusReply<uint> reply;
if (policy->isValid()) {
reply = policy->AddInhibition((uint)1, QGuiApplication::applicationDisplayName(), reason);
}
else {
// Fallback to the fd.o Inhibit interface
reply = inhibit->Inhibit(QGuiApplication::applicationDisplayName(), reason);
}
cookie = reply.isValid() ? reply : -1;
QString types = QStringLiteral("sleep");
QString mode = QStringLiteral("block");
QDBusPendingReply<QDBusUnixFileDescriptor> futureReply;
futureReply = login1->Inhibit(types, QGuiApplication::applicationDisplayName(), reason, mode);
futureReply.waitForFinished();
if (futureReply.isValid()) {
descriptor = futureReply.value();
}
}
void PowerManagement::stopSuppressingSleep()
{
if (-1 != cookie) {
if (policy->isValid()) {
policy->ReleaseInhibition(cookie);
}
else {
// Fallback to the fd.o Inhibit interface
inhibit->UnInhibit(cookie);
}
cookie = -1;
}
if (descriptor.isValid()) {
QDBusUnixFileDescriptor invalidDescriptor;
descriptor.swap(invalidDescriptor);
}
}
void PowerManagement::mpdStatusUpdated()
{
if (inhibitSuspendWhilstPlaying) {
if (MPDState_Playing == MPDStatus::self()->state()) {
beginSuppressingSleep();
}
else {
stopSuppressingSleep();
}
}
}
void PowerManagement::prepareForSleep(bool s)
{
if (!s) {
emit resuming();
}
}
#include "moc_powermanagement.cpp"
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