71 lines
2.1 KiB
Mathematica
71 lines
2.1 KiB
Mathematica
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "RCTSafeAreaView.h"
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#import <React/RCTBridge.h>
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#import <React/RCTUIManager.h>
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#import "RCTSafeAreaViewLocalData.h"
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@implementation RCTSafeAreaView {
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__weak RCTBridge *_bridge;
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UIEdgeInsets _currentSafeAreaInsets;
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}
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- (instancetype)initWithBridge:(RCTBridge *)bridge
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{
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if (self = [super initWithFrame:CGRectZero]) {
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_bridge = bridge;
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}
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return self;
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}
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RCT_NOT_IMPLEMENTED(-(instancetype)initWithCoder : (NSCoder *)decoder)
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RCT_NOT_IMPLEMENTED(-(instancetype)initWithFrame : (CGRect)frame)
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- (NSString *)description
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{
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NSString *superDescription = [super description];
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// Cutting the last `>` character.
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if (superDescription.length > 0 && [superDescription characterAtIndex:superDescription.length - 1] == '>') {
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superDescription = [superDescription substringToIndex:superDescription.length - 1];
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}
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return [NSString stringWithFormat:@"%@; safeAreaInsets = %@; appliedSafeAreaInsets = %@>",
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superDescription,
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NSStringFromUIEdgeInsets(self.safeAreaInsets),
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NSStringFromUIEdgeInsets(_currentSafeAreaInsets)];
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}
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static BOOL UIEdgeInsetsEqualToEdgeInsetsWithThreshold(UIEdgeInsets insets1, UIEdgeInsets insets2, CGFloat threshold)
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{
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return ABS(insets1.left - insets2.left) <= threshold && ABS(insets1.right - insets2.right) <= threshold &&
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ABS(insets1.top - insets2.top) <= threshold && ABS(insets1.bottom - insets2.bottom) <= threshold;
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}
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- (void)safeAreaInsetsDidChange
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{
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[self setSafeAreaInsets:self.safeAreaInsets];
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}
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- (void)setSafeAreaInsets:(UIEdgeInsets)safeAreaInsets
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{
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if (UIEdgeInsetsEqualToEdgeInsetsWithThreshold(safeAreaInsets, _currentSafeAreaInsets, 1.0 / RCTScreenScale())) {
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return;
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}
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_currentSafeAreaInsets = safeAreaInsets;
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RCTSafeAreaViewLocalData *localData = [[RCTSafeAreaViewLocalData alloc] initWithInsets:safeAreaInsets];
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[_bridge.uiManager setLocalData:localData forView:self];
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}
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@end
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