65 lines
1.4 KiB
Objective-C
65 lines
1.4 KiB
Objective-C
#import "RNCSafeAreaProvider.h"
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#import <React/RCTBridge.h>
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#import <React/RCTUIManager.h>
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#import "RCTView+SafeAreaCompat.h"
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@implementation RNCSafeAreaProvider
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{
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UIEdgeInsets _currentSafeAreaInsets;
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CGRect _currentFrame;
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BOOL _initialInsetsSent;
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}
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- (void)safeAreaInsetsDidChange
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{
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[self invalidateSafeAreaInsets];
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}
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- (void)invalidateSafeAreaInsets
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{
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// This gets called before the view size is set by react-native so
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// make sure to wait so we don't set wrong insets to JS.
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if (CGSizeEqualToSize(self.frame.size, CGSizeZero)) {
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return;
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}
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UIEdgeInsets safeAreaInsets = [self safeAreaInsetsOrEmulate];
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CGRect frame = [self convertRect:self.bounds toView:nil];
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if (
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_initialInsetsSent &&
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UIEdgeInsetsEqualToEdgeInsetsWithThreshold(safeAreaInsets, _currentSafeAreaInsets, 1.0 / RCTScreenScale()) &&
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CGRectEqualToRect(frame, _currentFrame)
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) {
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return;
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}
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_initialInsetsSent = YES;
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_currentSafeAreaInsets = safeAreaInsets;
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_currentFrame = frame;
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self.onInsetsChange(@{
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@"insets": @{
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@"top": @(safeAreaInsets.top),
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@"right": @(safeAreaInsets.right),
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@"bottom": @(safeAreaInsets.bottom),
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@"left": @(safeAreaInsets.left),
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},
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@"frame": @{
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@"x": @(frame.origin.x),
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@"y": @(frame.origin.y),
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@"width": @(frame.size.width),
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@"height": @(frame.size.height),
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},
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});
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}
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- (void)layoutSubviews
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{
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[super layoutSubviews];
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[self invalidateSafeAreaInsets];
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}
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@end
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