react-native/React/Base/RCTImageSource.m

84 lines
2.3 KiB
Objective-C

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "RCTImageSource.h"
@interface RCTImageSource ()
@property (nonatomic, assign) BOOL packagerAsset;
@end
@implementation RCTImageSource
- (instancetype)initWithURL:(NSURL *)url size:(CGSize)size scale:(CGFloat)scale
{
if ((self = [super init])) {
_imageURL = url;
_size = size;
_scale = scale;
}
return self;
}
- (instancetype)imageSourceWithSize:(CGSize)size scale:(CGFloat)scale
{
RCTImageSource *imageSource = [[RCTImageSource alloc] initWithURL:_imageURL
size:size
scale:scale];
imageSource.packagerAsset = _packagerAsset;
return imageSource;
}
- (BOOL)isEqual:(RCTImageSource *)object
{
if (![object isKindOfClass:[RCTImageSource class]]) {
return NO;
}
return [_imageURL isEqual:object.imageURL] && _scale == object.scale &&
(CGSizeEqualToSize(_size, object.size) || CGSizeEqualToSize(object.size, CGSizeZero));
}
@end
@implementation RCTConvert (ImageSource)
+ (RCTImageSource *)RCTImageSource:(id)json
{
if (!json) {
return nil;
}
NSURL *imageURL;
CGSize size = CGSizeZero;
CGFloat scale = 1.0;
BOOL packagerAsset = NO;
if ([json isKindOfClass:[NSDictionary class]]) {
if (!(imageURL = [self NSURL:json[@"uri"]])) {
return nil;
}
size = [self CGSize:json];
scale = [self CGFloat:json[@"scale"]] ?: [self BOOL:json[@"deprecated"]] ? 0.0 : 1.0;
packagerAsset = [self BOOL:json[@"__packager_asset"]];
} else if ([json isKindOfClass:[NSString class]]) {
imageURL = [self NSURL:json];
} else {
RCTLogConvertError(json, @"an image. Did you forget to call resolveAssetSource() on the JS side?");
return nil;
}
RCTImageSource *imageSource = [[RCTImageSource alloc] initWithURL:imageURL
size:size
scale:scale];
imageSource.packagerAsset = packagerAsset;
return imageSource;
}
@end