react-native-blur/ios/VibrancyView.m

73 lines
1.8 KiB
Objective-C

#import <React/RCTComponent.h>
#import "BlurView.h"
#import "VibrancyView.h"
@interface VibrancyView ()
@property (nonatomic, strong) UIVibrancyEffect *vibrancyEffect;
@property (nonatomic, strong) UIVisualEffectView *vibrancyEffectView;
@end
@implementation VibrancyView
- (instancetype)initWithFrame:(CGRect)frame {
if (self = [super initWithFrame:frame]) {
self.vibrancyEffectView = [[UIVisualEffectView alloc] init];
self.vibrancyEffectView.frame = frame;
[self updateVibrancyEffect];
[self.blurEffectView.contentView addSubview:self.vibrancyEffectView];
}
return self;
}
- (void)layoutSubviews
{
[super layoutSubviews];
self.vibrancyEffectView.frame = self.bounds;
}
- (void)insertReactSubview:(id<RCTComponent>)subview atIndex:(NSInteger)atIndex {
if ([self useReduceTransparencyFallback]) {
[self addSubview:(UIView*)subview];
} else {
[self.vibrancyEffectView.contentView addSubview:(UIView*)subview];
}
}
- (void)updateBlurEffect
{
[super updateBlurEffect];
[self updateVibrancyEffect];
}
- (void)updateVibrancyEffect
{
self.vibrancyEffect = [UIVibrancyEffect effectForBlurEffect:self.blurEffect];
self.vibrancyEffectView.effect = self.vibrancyEffect;
}
- (void)updateFallbackView
{
[super updateFallbackView];
if ([self useReduceTransparencyFallback]) {
for (UIView *subview in self.blurEffectView.contentView.subviews) {
[subview removeFromSuperview];
[self addSubview:subview];
}
} else {
for (UIView *subview in self.subviews) {
if (subview == self.blurEffectView) continue;
if (subview == self.reducedTransparencyFallbackView) continue;
[subview removeFromSuperview];
[self.blurEffectView.contentView addSubview:subview];
}
}
}
@end