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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
261 lines
9.5 KiB
Plaintext
261 lines
9.5 KiB
Plaintext
//
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// NicCageNode.mm
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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 "NicCageNode.h"
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#import "AppDelegate.h"
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#import <AsyncDisplayKit/ASDisplayNode+Subclasses.h>
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#import <AsyncDisplayKit/ASDisplayNode+Beta.h>
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#import <AsyncDisplayKit/ASStackLayoutSpec.h>
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#import <AsyncDisplayKit/ASInsetLayoutSpec.h>
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#import <AsyncDisplayKit/ASVideoNode.h>
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static const CGFloat kImageSize = 80.0f;
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static const CGFloat kOuterPadding = 16.0f;
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static const CGFloat kInnerPadding = 10.0f;
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#define kVideoURL @"https://www.w3schools.com/html/mov_bbb.mp4"
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#define kVideoStreamURL @"http://devimages.apple.com/iphone/samples/bipbop/bipbopall.m3u8"
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@interface NicCageNode ()
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{
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CGSize _kittenSize;
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// ASNetworkImageNode *_imageNode;
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ASVideoNode *_videoNode;
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ASTextNode *_textNode;
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ASDisplayNode *_divider;
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BOOL _isImageEnlarged;
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BOOL _swappedTextAndImage;
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}
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@end
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@implementation NicCageNode
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// lorem ipsum text courtesy https://kittyipsum.com/ <3
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+ (NSArray *)placeholders
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{
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static NSArray *placeholders = nil;
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static dispatch_once_t once;
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dispatch_once(&once, ^{
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placeholders = @[
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@"Kitty ipsum dolor sit amet, purr sleep on your face lay down in your way biting, sniff tincidunt a etiam fluffy fur judging you stuck in a tree kittens.",
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@"Lick tincidunt a biting eat the grass, egestas enim ut lick leap puking climb the curtains lick.",
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@"Lick quis nunc toss the mousie vel, tortor pellentesque sunbathe orci turpis non tail flick suscipit sleep in the sink.",
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@"Orci turpis litter box et stuck in a tree, egestas ac tempus et aliquam elit.",
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@"Hairball iaculis dolor dolor neque, nibh adipiscing vehicula egestas dolor aliquam.",
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@"Sunbathe fluffy fur tortor faucibus pharetra jump, enim jump on the table I don't like that food catnip toss the mousie scratched.",
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@"Quis nunc nam sleep in the sink quis nunc purr faucibus, chase the red dot consectetur bat sagittis.",
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@"Lick tail flick jump on the table stretching purr amet, rhoncus scratched jump on the table run.",
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@"Suspendisse aliquam vulputate feed me sleep on your keyboard, rip the couch faucibus sleep on your keyboard tristique give me fish dolor.",
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@"Rip the couch hiss attack your ankles biting pellentesque puking, enim suspendisse enim mauris a.",
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@"Sollicitudin iaculis vestibulum toss the mousie biting attack your ankles, puking nunc jump adipiscing in viverra.",
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@"Nam zzz amet neque, bat tincidunt a iaculis sniff hiss bibendum leap nibh.",
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@"Chase the red dot enim puking chuf, tristique et egestas sniff sollicitudin pharetra enim ut mauris a.",
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@"Sagittis scratched et lick, hairball leap attack adipiscing catnip tail flick iaculis lick.",
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@"Neque neque sleep in the sink neque sleep on your face, climb the curtains chuf tail flick sniff tortor non.",
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@"Ac etiam kittens claw toss the mousie jump, pellentesque rhoncus litter box give me fish adipiscing mauris a.",
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@"Pharetra egestas sunbathe faucibus ac fluffy fur, hiss feed me give me fish accumsan.",
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@"Tortor leap tristique accumsan rutrum sleep in the sink, amet sollicitudin adipiscing dolor chase the red dot.",
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@"Knock over the lamp pharetra vehicula sleep on your face rhoncus, jump elit cras nec quis quis nunc nam.",
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@"Sollicitudin feed me et ac in viverra catnip, nunc eat I don't like that food iaculis give me fish.",
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];
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});
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return placeholders;
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}
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- (instancetype)initWithKittenOfSize:(CGSize)size
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{
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if (!(self = [super init]))
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return nil;
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_kittenSize = size;
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u_int32_t videoInitMethod = arc4random_uniform(3);
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u_int32_t autoPlay = arc4random_uniform(2);
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NSArray* methodArray = @[@"AVAsset", @"File URL", @"HLS URL"];
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NSArray* autoPlayArray = @[@"paused", @"auto play"];
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switch (videoInitMethod) {
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case 0:
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// Construct an AVAsset from a URL
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_videoNode = [[ASVideoNode alloc] init];
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_videoNode.asset = [AVAsset assetWithURL:[NSURL URLWithString:kVideoURL]];
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break;
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case 1:
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// Construct the video node directly from the .mp4 URL
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_videoNode = [[ASVideoNode alloc] init];
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_videoNode.asset = [AVAsset assetWithURL:[NSURL URLWithString:kVideoURL]];
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break;
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case 2:
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// Construct the video node from an HTTP Live Streaming URL
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// URL from https://developer.apple.com/library/ios/documentation/AudioVideo/Conceptual/AVFoundationPG/Articles/02_Playback.html
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_videoNode = [[ASVideoNode alloc] init];
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_videoNode.asset = [AVAsset assetWithURL:[NSURL URLWithString:kVideoStreamURL]];
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break;
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}
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if (autoPlay == 1)
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_videoNode.shouldAutoplay = YES;
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_videoNode.shouldAutorepeat = YES;
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_videoNode.backgroundColor = ASDisplayNodeDefaultPlaceholderColor();
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[self addSubnode:_videoNode];
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_textNode = [[ASTextNode alloc] init];
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_textNode.attributedText = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"%@ %@ %@", methodArray[videoInitMethod], autoPlayArray[autoPlay], [self kittyIpsum]]
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attributes:[self textStyle]];
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[self addSubnode:_textNode];
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// hairline cell separator
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_divider = [[ASDisplayNode alloc] init];
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_divider.backgroundColor = [UIColor lightGrayColor];
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[self addSubnode:_divider];
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return self;
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}
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- (NSString *)kittyIpsum
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{
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NSArray *placeholders = [NicCageNode placeholders];
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u_int32_t ipsumCount = (u_int32_t)[placeholders count];
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u_int32_t location = arc4random_uniform(ipsumCount);
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u_int32_t length = arc4random_uniform(ipsumCount - location);
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NSMutableString *string = [placeholders[location] mutableCopy];
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for (u_int32_t i = location + 1; i < location + length; i++) {
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[string appendString:(i % 2 == 0) ? @"\n" : @" "];
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[string appendString:placeholders[i]];
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}
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return string;
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}
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- (NSDictionary *)textStyle
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{
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UIFont *font = [UIFont fontWithName:@"HelveticaNeue" size:12.0f];
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NSMutableParagraphStyle *style = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
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style.paragraphSpacing = 0.5 * font.lineHeight;
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style.hyphenationFactor = 1.0;
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return @{ NSFontAttributeName: font,
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NSParagraphStyleAttributeName: style };
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}
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#if UseAutomaticLayout
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- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
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{
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CGSize videoNodeSize = _isImageEnlarged ? CGSizeMake(2.0 * kImageSize, 2.0 * kImageSize)
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: CGSizeMake(kImageSize, kImageSize);
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[_videoNode.style setPreferredSize:videoNodeSize];
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_textNode.style.flexShrink = 1.0;
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ASStackLayoutSpec *stackSpec = [[ASStackLayoutSpec alloc] init];
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stackSpec.direction = ASStackLayoutDirectionHorizontal;
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stackSpec.spacing = kInnerPadding;
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[stackSpec setChildren:!_swappedTextAndImage ? @[_videoNode, _textNode] : @[_textNode, _videoNode]];
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ASInsetLayoutSpec *insetSpec = [[ASInsetLayoutSpec alloc] init];
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insetSpec.insets = UIEdgeInsetsMake(kOuterPadding, kOuterPadding, kOuterPadding, kOuterPadding);
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insetSpec.child = stackSpec;
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return insetSpec;
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}
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// With box model, you don't need to override this method, unless you want to add custom logic.
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- (void)layout
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{
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[super layout];
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// Manually layout the divider.
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CGFloat pixelHeight = 1.0f / [[UIScreen mainScreen] scale];
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_divider.frame = CGRectMake(0.0f, 0.0f, self.calculatedSize.width, pixelHeight);
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}
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#else
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- (CGSize)calculateSizeThatFits:(CGSize)constrainedSize
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{
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CGSize imageSize = CGSizeMake(kImageSize, kImageSize);
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CGSize textSize = [_textNode measure:CGSizeMake(constrainedSize.width - kImageSize - 2 * kOuterPadding - kInnerPadding,
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constrainedSize.height)];
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// ensure there's room for the text
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CGFloat requiredHeight = MAX(textSize.height, imageSize.height);
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return CGSizeMake(constrainedSize.width, requiredHeight + 2 * kOuterPadding);
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}
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- (void)layout
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{
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CGFloat pixelHeight = 1.0f / [[UIScreen mainScreen] scale];
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_divider.frame = CGRectMake(0.0f, 0.0f, self.calculatedSize.width, pixelHeight);
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_imageNode.frame = CGRectMake(kOuterPadding, kOuterPadding, kImageSize, kImageSize);
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CGSize textSize = _textNode.calculatedSize;
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_textNode.frame = CGRectMake(kOuterPadding + kImageSize + kInnerPadding, kOuterPadding, textSize.width, textSize.height);
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}
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#endif
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- (void)toggleImageEnlargement
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{
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_isImageEnlarged = !_isImageEnlarged;
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[self setNeedsLayout];
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}
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- (void)toggleNodesSwap
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{
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_swappedTextAndImage = !_swappedTextAndImage;
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[UIView animateWithDuration:0.15 animations:^{
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self.alpha = 0;
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} completion:^(BOOL finished) {
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[self setNeedsLayout];
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[self.view layoutIfNeeded];
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[UIView animateWithDuration:0.15 animations:^{
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self.alpha = 1;
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}];
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}];
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}
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- (void)updateBackgroundColor
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{
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if (self.highlighted) {
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self.backgroundColor = [UIColor lightGrayColor];
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} else if (self.selected) {
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self.backgroundColor = [UIColor blueColor];
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} else {
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self.backgroundColor = [UIColor whiteColor];
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}
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}
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- (void)setSelected:(BOOL)selected
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{
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[super setSelected:selected];
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[self updateBackgroundColor];
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}
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- (void)setHighlighted:(BOOL)highlighted
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{
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[super setHighlighted:highlighted];
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[self updateBackgroundColor];
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}
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@end
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