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