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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
58 lines
1.5 KiB
Objective-C
58 lines
1.5 KiB
Objective-C
//
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// DetailCellNode.m
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import "DetailCellNode.h"
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#import <AsyncDisplayKit/AsyncDisplayKit.h>
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@implementation DetailCellNode
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#pragma mark - Lifecycle
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- (instancetype)init
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{
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self = [super init];
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if (self == nil) { return self; }
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self.automaticallyManagesSubnodes = YES;
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_imageNode = [[ASNetworkImageNode alloc] init];
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_imageNode.backgroundColor = ASDisplayNodeDefaultPlaceholderColor();
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return self;
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}
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#pragma mark - ASDisplayNode
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- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
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{
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return [ASRatioLayoutSpec ratioLayoutSpecWithRatio:1.0 child:self.imageNode];
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}
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- (void)layoutDidFinish
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{
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[super layoutDidFinish];
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// In general set URL of ASNetworkImageNode as soon as possible. Ideally in init or a
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// view model setter method.
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// In this case as we need to know the size of the node the url is set in layoutDidFinish so
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// we have the calculatedSize available
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self.imageNode.URL = [self imageURL];
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}
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#pragma mark - Image
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- (NSURL *)imageURL
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{
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CGSize imageSize = self.calculatedSize;
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NSString *imageURLString = [NSString stringWithFormat:@"http://lorempixel.com/%ld/%ld/%@/%ld", (NSInteger)imageSize.width, (NSInteger)imageSize.height, self.imageCategory, self.row];
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return [NSURL URLWithString:imageURLString];
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}
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@end
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