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/*************************************************************************/
/* power_osx.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "power_osx.h"
#include <CoreFoundation/CoreFoundation.h>
#include <IOKit/ps/IOPSKeys.h>
#include <IOKit/ps/IOPowerSources.h>
// CODE CHUNK IMPORTED FROM SDL 2.0
/* CoreFoundation is so verbose... */
#define STRMATCH(a, b) (CFStringCompare(a, b, 0) == kCFCompareEqualTo)
#define GETVAL(k, v) \
CFDictionaryGetValueIfPresent(dict, CFSTR(k), (const void **)v)
/* Note that AC power sources also include a laptop battery it is charging. */
void power_osx::checkps(CFDictionaryRef dict, bool *have_ac, bool *have_battery, bool *charging) {
CFStringRef strval; /* don't CFRelease() this. */
CFBooleanRef bval;
CFNumberRef numval;
bool charge = false;
bool choose = false;
bool is_ac = false;
int secs = -1;
int maxpct = -1;
int pct = -1;
if ((GETVAL(kIOPSIsPresentKey, &bval)) && (bval == kCFBooleanFalse)) {
return; /* nothing to see here. */
}
if (!GETVAL(kIOPSPowerSourceStateKey, &strval)) {
return;
}
if (STRMATCH(strval, CFSTR(kIOPSACPowerValue))) {
is_ac = *have_ac = true;
} else if (!STRMATCH(strval, CFSTR(kIOPSBatteryPowerValue))) {
return; /* not a battery? */
}
if ((GETVAL(kIOPSIsChargingKey, &bval)) && (bval == kCFBooleanTrue)) {
charge = true;
}
if (GETVAL(kIOPSMaxCapacityKey, &numval)) {
SInt32 val = -1;
CFNumberGetValue(numval, kCFNumberSInt32Type, &val);
if (val > 0) {
*have_battery = true;
maxpct = (int)val;
}
}
if (GETVAL(kIOPSMaxCapacityKey, &numval)) {
SInt32 val = -1;
CFNumberGetValue(numval, kCFNumberSInt32Type, &val);
if (val > 0) {
*have_battery = true;
maxpct = (int)val;
}
}
if (GETVAL(kIOPSTimeToEmptyKey, &numval)) {
SInt32 val = -1;
CFNumberGetValue(numval, kCFNumberSInt32Type, &val);
/* Mac OS X reports 0 minutes until empty if you're plugged in. :( */
if ((val == 0) && (is_ac)) {
val = -1; /* !!! FIXME: calc from timeToFull and capacity? */
}
secs = (int)val;
if (secs > 0) {
secs *= 60; /* value is in minutes, so convert to seconds. */
}
}
if (GETVAL(kIOPSCurrentCapacityKey, &numval)) {
SInt32 val = -1;
CFNumberGetValue(numval, kCFNumberSInt32Type, &val);
pct = (int)val;
}
if ((pct > 0) && (maxpct > 0)) {
pct = (int)((((double)pct) / ((double)maxpct)) * 100.0);
}
if (pct > 100) {
pct = 100;
}
/*
* We pick the battery that claims to have the most minutes left.
* (failing a report of minutes, we'll take the highest percent.)
*/
if ((secs < 0) && (nsecs_left < 0)) {
if ((pct < 0) && (percent_left < 0)) {
choose = true; /* at least we know there's a battery. */
}
if (pct > percent_left) {
choose = true;
}
} else if (secs > nsecs_left) {
choose = true;
}
if (choose) {
nsecs_left = secs;
percent_left = pct;
*charging = charge;
}
}
#undef GETVAL
#undef STRMATCH
// CODE CHUNK IMPORTED FROM SDL 2.0
bool power_osx::GetPowerInfo_MacOSX() {
CFTypeRef blob = IOPSCopyPowerSourcesInfo();
nsecs_left = -1;
percent_left = -1;
power_state = POWERSTATE_UNKNOWN;
if (blob != NULL) {
CFArrayRef list = IOPSCopyPowerSourcesList(blob);
if (list != NULL) {
/* don't CFRelease() the list items, or dictionaries! */
bool have_ac = false;
bool have_battery = false;
bool charging = false;
const CFIndex total = CFArrayGetCount(list);
CFIndex i;
for (i = 0; i < total; i++) {
CFTypeRef ps = (CFTypeRef)CFArrayGetValueAtIndex(list, i);
CFDictionaryRef dict = IOPSGetPowerSourceDescription(blob, ps);
if (dict != NULL) {
checkps(dict, &have_ac, &have_battery, &charging);
}
}
if (!have_battery) {
power_state = POWERSTATE_NO_BATTERY;
} else if (charging) {
power_state = POWERSTATE_CHARGING;
} else if (have_ac) {
power_state = POWERSTATE_CHARGED;
} else {
power_state = POWERSTATE_ON_BATTERY;
}
CFRelease(list);
}
CFRelease(blob);
}
return true; /* always the definitive answer on Mac OS X. */
}
bool power_osx::UpdatePowerInfo() {
if (GetPowerInfo_MacOSX()) {
return true;
}
return false;
}
PowerState power_osx::get_power_state() {
if (UpdatePowerInfo()) {
return power_state;
} else {
return POWERSTATE_UNKNOWN;
}
}
int power_osx::get_power_seconds_left() {
if (UpdatePowerInfo()) {
return nsecs_left;
} else {
return -1;
}
}
int power_osx::get_power_percent_left() {
if (UpdatePowerInfo()) {
return percent_left;
} else {
return -1;
}
}
power_osx::power_osx()
: nsecs_left(-1), percent_left(-1), power_state(POWERSTATE_UNKNOWN) {
}
power_osx::~power_osx() {
}
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