118 lines
4.1 KiB
C++
118 lines
4.1 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2017 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "powermanagement.h"
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#include "support/globalstatic.h"
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#include "inhibitinterface.h"
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#include "policyagentinterface.h"
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#include "upowerinterface.h"
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#include "login1interface.h"
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#include "mpd-interface/mpdstatus.h"
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GLOBAL_STATIC(PowerManagement, instance)
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PowerManagement::PowerManagement()
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: inhibitSuspendWhilstPlaying(false)
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, cookie(-1)
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{
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policy = new OrgKdeSolidPowerManagementPolicyAgentInterface(OrgKdeSolidPowerManagementPolicyAgentInterface::staticInterfaceName(),
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QLatin1String("/org/kde/Solid/PowerManagement/PolicyAgent"),
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QDBusConnection::sessionBus(), this);
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inhibit = new OrgFreedesktopPowerManagementInhibitInterface(OrgFreedesktopPowerManagementInhibitInterface::staticInterfaceName(),
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QLatin1String("/org/freedesktop/PowerManagement/Inhibit"),
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QDBusConnection::sessionBus(), this);
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upower = new OrgFreedesktopUPowerInterface(OrgFreedesktopUPowerInterface::staticInterfaceName(),
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QLatin1String("/org/freedesktop/UPower"), QDBusConnection::systemBus(), this);
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login1 = new OrgFreedesktopLogin1ManagerInterface("org.freedesktop.login1",
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QLatin1String("/org/freedesktop/login1"), QDBusConnection::systemBus(), this);
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connect(upower, SIGNAL(Resuming()), this, SIGNAL(resuming()));
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connect(login1, SIGNAL(PrepareForSleep(bool)), this, SLOT(prepareForSleep(bool)));
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}
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void PowerManagement::setInhibitSuspend(bool i)
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{
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if (i==inhibitSuspendWhilstPlaying) {
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return;
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}
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inhibitSuspendWhilstPlaying=i;
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if (inhibitSuspendWhilstPlaying) {
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connect(MPDStatus::self(), SIGNAL(updated()), this, SLOT(mpdStatusUpdated()));
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if (MPDState_Playing==MPDStatus::self()->state()) {
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beginSuppressingSleep();
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}
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} else {
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disconnect(MPDStatus::self(), SIGNAL(updated()), this, SLOT(mpdStatusUpdated()));
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stopSuppressingSleep();
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}
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}
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void PowerManagement::beginSuppressingSleep()
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{
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if (-1!=cookie) {
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return;
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}
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QString reason=tr("Cantata is playing a track");
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QDBusReply<uint> reply;
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if (policy->isValid()) {
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reply = policy->AddInhibition((uint)1, QCoreApplication::applicationName(), reason);
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} else {
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// Fallback to the fd.o Inhibit interface
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reply = inhibit->Inhibit(QCoreApplication::applicationName(), reason);
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}
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cookie=reply.isValid() ? reply : -1;
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}
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void PowerManagement::stopSuppressingSleep()
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{
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if (-1==cookie) {
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return;
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}
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if (policy->isValid()) {
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policy->ReleaseInhibition(cookie);
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} else {
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// Fallback to the fd.o Inhibit interface
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inhibit->UnInhibit(cookie);
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}
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cookie=-1;
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}
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void PowerManagement::mpdStatusUpdated()
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{
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if (inhibitSuspendWhilstPlaying) {
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if (MPDState_Playing==MPDStatus::self()->state()) {
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beginSuppressingSleep();
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} else {
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stopSuppressingSleep();
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}
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}
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}
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void PowerManagement::prepareForSleep(bool s)
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{
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if (!s) {
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emit resuming();
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}
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}
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