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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 "mpd-interface/mpdstatus.h"
#include "support/globalstatic.h"
#include <Carbon/Carbon.h>
#include <IOKit/IOMessage.h>
#include <IOKit/pwr_mgt/IOPMLib.h>
GLOBAL_STATIC(PowerManagement, instance)
static void powerEventCallback(void* rootPort, io_service_t, natural_t msg, void* arg)
{
switch (msg) {
case kIOMessageSystemWillSleep:
IOAllowPowerChange(*(io_connect_t*)rootPort, (long)arg);
break;
case kIOMessageSystemHasPoweredOn:
PowerManagement::self()->emitResuming();
break;
case kIOMessageCanSystemSleep:
if (PowerManagement::self()->inhibitSuspend() && MPDState_Playing == MPDStatus::self()->state()) {
IOCancelPowerChange(*(io_connect_t*)rootPort, (long)arg);
}
else {
IOAllowPowerChange(*(io_connect_t*)rootPort, (long)arg);
}
break;
default:
break;
}
}
PowerManagement::PowerManagement()
: inhibitSuspendWhilstPlaying(false)
{
static io_connect_t rootPort;
IONotificationPortRef notificationPort;
io_object_t notifier;
rootPort = IORegisterForSystemPower(&rootPort, ¬ificationPort, powerEventCallback, ¬ifier);
if (rootPort) {
CFRunLoopAddSource(CFRunLoopGetCurrent(), IONotificationPortGetRunLoopSource(notificationPort), kCFRunLoopDefaultMode);
}
}
void PowerManagement::emitResuming()
{
emit resuming();
}
#include "moc_powermanagement.cpp"
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