Files
cantata/dbus/powermanagement.cpp

106 lines
3.5 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2013 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"
#ifdef ENABLE_KDE_SUPPORT
#include <KDE/Solid/PowerManagement>
#include <KDE/KGlobal>
K_GLOBAL_STATIC(PowerManagement, instance)
#else
#include "inhibitinterface.h"
#include "policyagentinterface.h"
#include "upowerinterface.h"
#endif
PowerManagement * PowerManagement::self()
{
#ifdef ENABLE_KDE_SUPPORT
return instance;
#else
static PowerManagement *instance=0;
if(!instance) {
instance=new PowerManagement;
}
return instance;
#endif
}
PowerManagement::PowerManagement()
: cookie(-1)
{
#ifdef ENABLE_KDE_SUPPORT
#if KDE_IS_VERSION(4, 7, 0)
connect(Solid::PowerManagement::notifier(), SIGNAL(resumingFromSuspend()), this, SIGNAL(resuming()));
#endif
#else
policy = new OrgKdeSolidPowerManagementPolicyAgentInterface(OrgKdeSolidPowerManagementPolicyAgentInterface::staticInterfaceName(),
QLatin1String("/org/kde/Solid/PowerManagement/PolicyAgent"),
QDBusConnection::sessionBus(), this);
inhibit = new OrgFreedesktopPowerManagementInhibitInterface(OrgFreedesktopPowerManagementInhibitInterface::staticInterfaceName(),
QLatin1String("/org/freedesktop/PowerManagement/Inhibit"),
QDBusConnection::sessionBus(), this);
upower = new OrgFreedesktopUPowerInterface(OrgFreedesktopUPowerInterface::staticInterfaceName(),
QLatin1String("/org/freedesktop/UPower"), QDBusConnection::systemBus(), this);
connect(upower, SIGNAL(Resuming()), this, SIGNAL(resuming()));
#endif
}
void PowerManagement::beginSuppressingSleep(const QString &reason)
{
if (-1!=cookie) {
return;
}
#ifdef ENABLE_KDE_SUPPORT
cookie=Solid::PowerManagement::beginSuppressingSleep(reason);
#else
QDBusReply<uint> reply;
if (policy->isValid()) {
reply = policy->AddInhibition((uint)1, QCoreApplication::applicationName(), reason);
} else {
// Fallback to the fd.o Inhibit interface
reply = inhibit->Inhibit(QCoreApplication::applicationName(), reason);
}
cookie=reply.isValid() ? reply : -1;
#endif
}
void PowerManagement::stopSuppressingSleep()
{
if (-1==cookie) {
return;
}
#ifdef ENABLE_KDE_SUPPORT
Solid::PowerManagement::stopSuppressingSleep(cookie);
#else
if (policy->isValid()) {
policy->ReleaseInhibition(cookie);
} else {
// Fallback to the fd.o Inhibit interface
inhibit->UnInhibit(cookie);
}
#endif
cookie=-1;
}