120 lines
3.5 KiB
Plaintext
120 lines
3.5 KiB
Plaintext
#import "RNCSafeAreaProviderComponentView.h"
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#import <react/renderer/components/safeareacontext/ComponentDescriptors.h>
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#import <react/renderer/components/safeareacontext/EventEmitters.h>
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#import <react/renderer/components/safeareacontext/Props.h>
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#import <react/renderer/components/safeareacontext/RCTComponentViewHelpers.h>
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#import <React/RCTFabricComponentsPlugins.h>
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#import "RNCSafeAreaUtils.h"
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using namespace facebook::react;
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@interface RNCSafeAreaProviderComponentView () <RCTRNCSafeAreaProviderViewProtocol>
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@end
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@implementation RNCSafeAreaProviderComponentView {
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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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- (instancetype)initWithFrame:(CGRect)frame
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{
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if (self = [super initWithFrame:frame]) {
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static const auto defaultProps = std::make_shared<const RNCSafeAreaProviderProps>();
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_props = defaultProps;
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#if !TARGET_OS_TV
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[NSNotificationCenter.defaultCenter addObserver:self
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selector:@selector(invalidateSafeAreaInsets)
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name:UIKeyboardDidShowNotification
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object:nil];
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[NSNotificationCenter.defaultCenter addObserver:self
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selector:@selector(invalidateSafeAreaInsets)
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name:UIKeyboardDidHideNotification
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object:nil];
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#endif
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}
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return self;
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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.safeAreaInsets;
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CGRect frame = [self convertRect:self.bounds toView:nil];
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if (_initialInsetsSent &&
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UIEdgeInsetsEqualToEdgeInsetsWithThreshold(safeAreaInsets, _currentSafeAreaInsets, 1.0 / RCTScreenScale()) &&
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CGRectEqualToRect(frame, _currentFrame)) {
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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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[NSNotificationCenter.defaultCenter postNotificationName:RNCSafeAreaDidChange object:self userInfo:nil];
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if (_eventEmitter) {
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RNCSafeAreaProviderEventEmitter::OnInsetsChange event = {
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.insets =
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{
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.top = safeAreaInsets.top,
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.left = safeAreaInsets.left,
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.bottom = safeAreaInsets.bottom,
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.right = safeAreaInsets.right,
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},
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.frame =
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{
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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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std::static_pointer_cast<RNCSafeAreaProviderEventEmitter const>(_eventEmitter)->onInsetsChange(event);
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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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#pragma mark - RCTComponentViewProtocol
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+ (ComponentDescriptorProvider)componentDescriptorProvider
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{
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return concreteComponentDescriptorProvider<RNCSafeAreaProviderComponentDescriptor>();
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}
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- (void)prepareForRecycle
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{
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[super prepareForRecycle];
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_currentSafeAreaInsets = UIEdgeInsetsZero;
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_currentFrame = CGRectZero;
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_initialInsetsSent = NO;
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}
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@end
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Class<RCTComponentViewProtocol> RNCSafeAreaProviderCls(void)
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{
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return RNCSafeAreaProviderComponentView.class;
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}
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