mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-11-23 05:19:56 +00:00
97 lines
3.0 KiB
Objective-C
97 lines
3.0 KiB
Objective-C
//
|
|
// AppleBatteryClient.m
|
|
// PPSSPP
|
|
//
|
|
// Created by Serena on 24/01/2023.
|
|
//
|
|
|
|
#include "Battery.h"
|
|
#import <Foundation/Foundation.h>
|
|
|
|
#if PPSSPP_PLATFORM(MAC)
|
|
#include <IOKit/ps/IOPSKeys.h>
|
|
#include <IOKit/ps/IOPowerSources.h>
|
|
#elif PPSSPP_PLATFORM(IOS)
|
|
#import <UIKit/UIKit.h>
|
|
#endif
|
|
|
|
@interface AppleBatteryClient : NSObject
|
|
+(instancetype)sharedClient;
|
|
-(void)setNeedsToUpdateLevel;
|
|
@property int batteryLevel;
|
|
@end
|
|
|
|
void _powerSourceRunLoopCallback(void * __unused ctx) {
|
|
// IOKit has told us that battery information has changed, now update the batteryLevel var
|
|
[[AppleBatteryClient sharedClient] setNeedsToUpdateLevel];
|
|
}
|
|
|
|
// You may ask,
|
|
// "Why an entire class?
|
|
// Why not just call the UIDevice/IOKitPowerSource functions every time getCurrentBatteryCapacity() is called?"
|
|
// Well, calling the UIDevice/IOKitPowerSource functions very frequently (every second, it seems?) is expensive
|
|
// So, instead, I made a class with a cached batteryLevel property
|
|
// that only gets set when it needs to.
|
|
@implementation AppleBatteryClient
|
|
|
|
+ (instancetype)sharedClient {
|
|
static AppleBatteryClient *client;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
client = [AppleBatteryClient new];
|
|
[client initialSetup];
|
|
[client setNeedsToUpdateLevel];
|
|
});
|
|
|
|
return client;
|
|
}
|
|
|
|
-(void)initialSetup {
|
|
#if TARGET_OS_IOS
|
|
// on iOS, this needs to be true to get the battery level
|
|
// and it needs to be set just once, so do it here
|
|
UIDevice.currentDevice.batteryMonitoringEnabled = YES;
|
|
// Register for when the battery % changes
|
|
[[NSNotificationCenter defaultCenter] addObserver:self
|
|
selector:@selector(setNeedsToUpdateLevel)
|
|
name:UIDeviceBatteryLevelDidChangeNotification object:nil];
|
|
|
|
#elif TARGET_OS_MAC
|
|
CFRunLoopSourceRef loop = IOPSNotificationCreateRunLoopSource(_powerSourceRunLoopCallback, nil);
|
|
CFRunLoopAddSource(CFRunLoopGetMain(), loop, kCFRunLoopDefaultMode);
|
|
#endif
|
|
}
|
|
|
|
- (void)setNeedsToUpdateLevel {
|
|
#if TARGET_OS_IOS
|
|
// `-[UIDevice batteryLevel]` returns the % like '0.(actual %)' (ie, 0.28 when the battery is 28%)
|
|
// so multiply it by 100 to get a visually appropriate version
|
|
self.batteryLevel = [[UIDevice currentDevice] batteryLevel] * 100;
|
|
#elif TARGET_OS_MAC
|
|
CFTypeRef snapshot = IOPSCopyPowerSourcesInfo();
|
|
NSArray *sourceList = (__bridge NSArray *)IOPSCopyPowerSourcesList(snapshot);
|
|
if (!sourceList) {
|
|
if (snapshot) CFRelease(snapshot);
|
|
return;
|
|
}
|
|
|
|
for (NSDictionary *source in sourceList) {
|
|
// kIOPSCurrentCapacityKey = battery level
|
|
NSNumber *currentCapacity = [source objectForKey:@(kIOPSCurrentCapacityKey)];
|
|
if (currentCapacity) {
|
|
// we found what we want
|
|
self.batteryLevel = currentCapacity.intValue;
|
|
break;
|
|
}
|
|
}
|
|
CFRelease(snapshot);
|
|
#endif
|
|
}
|
|
|
|
@end
|
|
|
|
|
|
int getCurrentBatteryCapacity() {
|
|
return [[AppleBatteryClient sharedClient] batteryLevel];
|
|
}
|