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252 lines
7.5 KiB
C++
252 lines
7.5 KiB
C++
/*************************************************************************/
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/* power_osx.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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/*
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Adapted from corresponding SDL 2.0 code.
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*/
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "power_osx.h"
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#include <CoreFoundation/CoreFoundation.h>
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#include <IOKit/ps/IOPSKeys.h>
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#include <IOKit/ps/IOPowerSources.h>
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// CODE CHUNK IMPORTED FROM SDL 2.0
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/* CoreFoundation is so verbose... */
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#define STRMATCH(a, b) (CFStringCompare(a, b, 0) == kCFCompareEqualTo)
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#define GETVAL(k, v) \
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CFDictionaryGetValueIfPresent(dict, CFSTR(k), (const void **)v)
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/* Note that AC power sources also include a laptop battery it is charging. */
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void power_osx::checkps(CFDictionaryRef dict, bool *have_ac, bool *have_battery, bool *charging) {
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CFStringRef strval; /* don't CFRelease() this. */
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CFBooleanRef bval;
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CFNumberRef numval;
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bool charge = false;
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bool choose = false;
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bool is_ac = false;
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int secs = -1;
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int maxpct = -1;
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int pct = -1;
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if ((GETVAL(kIOPSIsPresentKey, &bval)) && (bval == kCFBooleanFalse)) {
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return; /* nothing to see here. */
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}
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if (!GETVAL(kIOPSPowerSourceStateKey, &strval)) {
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return;
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}
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if (STRMATCH(strval, CFSTR(kIOPSACPowerValue))) {
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is_ac = *have_ac = true;
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} else if (!STRMATCH(strval, CFSTR(kIOPSBatteryPowerValue))) {
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return; /* not a battery? */
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}
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if ((GETVAL(kIOPSIsChargingKey, &bval)) && (bval == kCFBooleanTrue)) {
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charge = true;
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}
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if (GETVAL(kIOPSMaxCapacityKey, &numval)) {
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SInt32 val = -1;
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CFNumberGetValue(numval, kCFNumberSInt32Type, &val);
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if (val > 0) {
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*have_battery = true;
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maxpct = (int)val;
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}
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}
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if (GETVAL(kIOPSMaxCapacityKey, &numval)) {
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SInt32 val = -1;
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CFNumberGetValue(numval, kCFNumberSInt32Type, &val);
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if (val > 0) {
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*have_battery = true;
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maxpct = (int)val;
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}
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}
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if (GETVAL(kIOPSTimeToEmptyKey, &numval)) {
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SInt32 val = -1;
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CFNumberGetValue(numval, kCFNumberSInt32Type, &val);
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/* Mac OS X reports 0 minutes until empty if you're plugged in. :( */
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if ((val == 0) && (is_ac)) {
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val = -1; /* !!! FIXME: calc from timeToFull and capacity? */
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}
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secs = (int)val;
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if (secs > 0) {
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secs *= 60; /* value is in minutes, so convert to seconds. */
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}
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}
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if (GETVAL(kIOPSCurrentCapacityKey, &numval)) {
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SInt32 val = -1;
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CFNumberGetValue(numval, kCFNumberSInt32Type, &val);
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pct = (int)val;
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}
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if ((pct > 0) && (maxpct > 0)) {
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pct = (int)((((double)pct) / ((double)maxpct)) * 100.0);
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}
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if (pct > 100) {
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pct = 100;
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}
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/*
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* We pick the battery that claims to have the most minutes left.
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* (failing a report of minutes, we'll take the highest percent.)
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*/
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if ((secs < 0) && (nsecs_left < 0)) {
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if ((pct < 0) && (percent_left < 0)) {
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choose = true; /* at least we know there's a battery. */
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}
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if (pct > percent_left) {
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choose = true;
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}
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} else if (secs > nsecs_left) {
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choose = true;
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}
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if (choose) {
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nsecs_left = secs;
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percent_left = pct;
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*charging = charge;
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}
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}
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#undef GETVAL
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#undef STRMATCH
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// CODE CHUNK IMPORTED FROM SDL 2.0
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bool power_osx::GetPowerInfo_MacOSX() {
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CFTypeRef blob = IOPSCopyPowerSourcesInfo();
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nsecs_left = -1;
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percent_left = -1;
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power_state = OS::POWERSTATE_UNKNOWN;
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if (blob != NULL) {
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CFArrayRef list = IOPSCopyPowerSourcesList(blob);
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if (list != NULL) {
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/* don't CFRelease() the list items, or dictionaries! */
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bool have_ac = false;
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bool have_battery = false;
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bool charging = false;
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const CFIndex total = CFArrayGetCount(list);
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CFIndex i;
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for (i = 0; i < total; i++) {
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CFTypeRef ps = (CFTypeRef)CFArrayGetValueAtIndex(list, i);
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CFDictionaryRef dict = IOPSGetPowerSourceDescription(blob, ps);
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if (dict != NULL) {
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checkps(dict, &have_ac, &have_battery, &charging);
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}
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}
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if (!have_battery) {
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power_state = OS::POWERSTATE_NO_BATTERY;
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} else if (charging) {
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power_state = OS::POWERSTATE_CHARGING;
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} else if (have_ac) {
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power_state = OS::POWERSTATE_CHARGED;
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} else {
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power_state = OS::POWERSTATE_ON_BATTERY;
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}
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CFRelease(list);
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}
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CFRelease(blob);
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}
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return true; /* always the definitive answer on Mac OS X. */
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}
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bool power_osx::UpdatePowerInfo() {
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if (GetPowerInfo_MacOSX()) {
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return true;
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}
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return false;
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}
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OS::PowerState power_osx::get_power_state() {
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if (UpdatePowerInfo()) {
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return power_state;
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} else {
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return OS::POWERSTATE_UNKNOWN;
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}
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}
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int power_osx::get_power_seconds_left() {
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if (UpdatePowerInfo()) {
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return nsecs_left;
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} else {
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return -1;
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}
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}
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int power_osx::get_power_percent_left() {
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if (UpdatePowerInfo()) {
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return percent_left;
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} else {
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return -1;
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}
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}
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power_osx::power_osx() :
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nsecs_left(-1),
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percent_left(-1),
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power_state(OS::POWERSTATE_UNKNOWN) {
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}
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power_osx::~power_osx() {
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}
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