62 lines
1.5 KiB
Objective-C
62 lines
1.5 KiB
Objective-C
/*
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
#if FB_SONARKIT_ENABLED
|
|
|
|
#import <UIKit/UIKit.h>
|
|
|
|
#import "SKInvalidation.h"
|
|
#import "UICollectionView+SKInvalidation.h"
|
|
#import "UIView+SKInvalidation.h"
|
|
|
|
@implementation SKInvalidation
|
|
|
|
+ (instancetype)sharedInstance {
|
|
static SKInvalidation* sInstance = nil;
|
|
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
sInstance = [SKInvalidation new];
|
|
});
|
|
|
|
return sInstance;
|
|
}
|
|
|
|
+ (void)enableInvalidations {
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
[UIView enableInvalidation];
|
|
[UICollectionView enableInvalidations];
|
|
|
|
[[NSNotificationCenter defaultCenter]
|
|
addObserver:self
|
|
selector:@selector(windowDidBecomeVisible:)
|
|
name:UIWindowDidBecomeVisibleNotification
|
|
object:nil];
|
|
|
|
[[NSNotificationCenter defaultCenter]
|
|
addObserver:self
|
|
selector:@selector(windowDidBecomeHidden:)
|
|
name:UIWindowDidBecomeHiddenNotification
|
|
object:nil];
|
|
});
|
|
}
|
|
|
|
+ (void)windowDidBecomeVisible:(NSNotification*)notification {
|
|
[[SKInvalidation sharedInstance].delegate
|
|
invalidateNode:[notification.object nextResponder]];
|
|
}
|
|
|
|
+ (void)windowDidBecomeHidden:(NSNotification*)notification {
|
|
[[SKInvalidation sharedInstance].delegate
|
|
invalidateNode:[notification.object nextResponder]];
|
|
}
|
|
|
|
@end
|
|
|
|
#endif
|