react-native/React/Fabric/Mounting/UIView+ComponentViewProtoco...

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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "UIView+ComponentViewProtocol.h"
#import <React/RCTAssert.h>
#import "RCTConversions.h"
using namespace facebook::react;
@implementation UIView (ComponentViewProtocol)
- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView
index:(NSInteger)index
{
[self insertSubview:childComponentView atIndex:index];
}
- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView
index:(NSInteger)index
{
RCTAssert(childComponentView.superview == self, @"Attempt to unmount improperly mounted component view.");
[childComponentView removeFromSuperview];
}
- (void)updateProps:(SharedProps)props
oldProps:(SharedProps)oldProps
{
// Default implementation does nothing.
}
- (void)updateEventEmitter:(SharedEventEmitter)eventEmitter
{
// Default implementation does nothing.
}
- (void)updateLocalData:(SharedLocalData)localData
oldLocalData:(SharedLocalData)oldLocalData
{
// Default implementation does nothing.
}
- (void)updateLayoutMetrics:(LayoutMetrics)layoutMetrics
oldLayoutMetrics:(LayoutMetrics)oldLayoutMetrics
{
if (layoutMetrics.frame != oldLayoutMetrics.frame) {
self.frame = RCTCGRectFromRect(layoutMetrics.frame);
}
if (layoutMetrics.layoutDirection != oldLayoutMetrics.layoutDirection) {
self.semanticContentAttribute =
layoutMetrics.layoutDirection == LayoutDirection::RightToLeft ?
UISemanticContentAttributeForceRightToLeft :
UISemanticContentAttributeForceLeftToRight;
}
if (layoutMetrics.displayType != oldLayoutMetrics.displayType) {
self.hidden = layoutMetrics.displayType == DisplayType::None;
}
}
- (void)prepareForRecycle
{
// Default implementation does nothing.
}
@end