fbbf8cf16b
fbshipit-source-id: b6fc29740c6875d2e78953b8a7123890a67930f2 Co-authored-by: Sebastian McKenzie <sebmck@fb.com> Co-authored-by: John Knox <jknox@fb.com> Co-authored-by: Emil Sjölander <emilsj@fb.com> Co-authored-by: Pritesh Nandgaonkar <prit91@fb.com>
58 lines
1.4 KiB
Objective-C
58 lines
1.4 KiB
Objective-C
/*
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* Copyright (c) 2018-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the LICENSE
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* file in the root directory of this source tree.
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*
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*/
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#if FB_SONARKIT_ENABLED
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#import <UIKit/UIKit.h>
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#import "SKInvalidation.h"
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#import "UIView+SKInvalidation.h"
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#import "UICollectionView+SKInvalidation.h"
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@implementation SKInvalidation
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+ (instancetype)sharedInstance {
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static SKInvalidation *sInstance = nil;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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sInstance = [SKInvalidation new];
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});
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return sInstance;
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}
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+ (void)enableInvalidations {
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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[UIView enableInvalidation];
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[UICollectionView enableInvalidations];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(windowDidBecomeVisible:)
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name:UIWindowDidBecomeVisibleNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(windowDidBecomeHidden:)
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name:UIWindowDidBecomeHiddenNotification
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object:nil];
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});
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}
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+ (void)windowDidBecomeVisible:(NSNotification*)notification {
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[[SKInvalidation sharedInstance].delegate invalidateNode:[notification.object nextResponder]];
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}
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+ (void)windowDidBecomeHidden:(NSNotification*)notification {
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[[SKInvalidation sharedInstance].delegate invalidateNode:[notification.object nextResponder]];
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}
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@end
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#endif
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