67 lines
1.6 KiB
Objective-C
67 lines
1.6 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTViewPropertyMapper.h"
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#import <UIKit/UIKit.h>
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#import <React/RCTBridge.h>
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#import <React/RCTConvert.h>
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#import <React/RCTUIManager.h>
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#import "RCTNativeAnimatedModule.h"
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@interface RCTViewPropertyMapper ()
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@property (nonatomic, weak) UIView *cachedView;
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@property (nonatomic, weak) RCTUIManager *uiManager;
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@end
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@implementation RCTViewPropertyMapper
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- (instancetype)initWithViewTag:(NSNumber *)viewTag
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uiManager:(RCTUIManager *)uiManager
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{
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if ((self = [super init])) {
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_uiManager = uiManager;
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_viewTag = viewTag;
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}
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return self;
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}
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RCT_NOT_IMPLEMENTED(- (instancetype)init)
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- (void)updateViewWithDictionary:(NSDictionary<NSString *, NSObject *> *)properties
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{
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// cache the view for perf reasons (avoid constant lookups)
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UIView *view = _cachedView = _cachedView ?: [self.uiManager viewForReactTag:_viewTag];
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if (!view) {
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RCTLogError(@"No view to update.");
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return;
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}
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if (!properties.count) {
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return;
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}
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NSNumber *opacity = [RCTConvert NSNumber:properties[@"opacity"]];
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if (opacity) {
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view.alpha = opacity.floatValue;
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}
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NSObject *transform = properties[@"transform"];
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if ([transform isKindOfClass:[NSValue class]]) {
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view.layer.allowsEdgeAntialiasing = YES;
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view.layer.transform = ((NSValue *)transform).CATransform3DValue;
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}
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}
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@end
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