Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'

git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0e
git-subtree-split: 02bedc1281

submodules/AsyncDisplayKit/examples_extra/ASTraitCollection/Sample/OverrideViewController.m

@@ -0,0 +1,95 @@
+//
+//  OverrideViewController.m
+//  Texture
+//
+//  Copyright (c) Facebook, Inc. and its affiliates.  All rights reserved.
+//  Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc.  All rights reserved.
+//  Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
+//
+
+#import "OverrideViewController.h"
+#import <AsyncDisplayKit/ASTraitCollection.h>
+
+static NSString *kLinkAttributeName = @"PlaceKittenNodeLinkAttributeName";
+
+@interface OverrideNode()
+@property (nonatomic, strong) ASTextNode *textNode;
+@property (nonatomic, strong) ASButtonNode *buttonNode;
+@end
+
+@implementation OverrideNode
+
+- (instancetype)init
+{
+  if (!(self = [super init]))
+    return nil;
+  
+  _textNode = [[ASTextNode alloc] init];
+  _textNode.style.flexGrow = 1.0;
+  _textNode.style.flexShrink = 1.0;
+  _textNode.maximumNumberOfLines = 3;
+  [self addSubnode:_textNode];
+  
+  _buttonNode = [[ASButtonNode alloc] init];
+  [_buttonNode setAttributedTitle:[[NSAttributedString alloc] initWithString:@"Close"] forState:UIControlStateNormal];
+  [self addSubnode:_buttonNode];
+  
+  self.backgroundColor = [UIColor lightGrayColor];
+  
+  return self;
+}
+
+- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
+{
+  CGFloat pointSize = 16.f;
+  ASTraitCollection *traitCollection = [self asyncTraitCollection];
+  if (traitCollection.horizontalSizeClass == UIUserInterfaceSizeClassRegular) {
+    // This should never happen because we override the VC's display traits to always be compact.
+    pointSize = 100;
+  }
+  
+  NSString *blurb = @"kittens courtesy placekitten.com";
+  NSMutableAttributedString *string = [[NSMutableAttributedString alloc] initWithString:blurb];
+  [string addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"HelveticaNeue" size:pointSize] range:NSMakeRange(0, blurb.length)];
+  [string addAttributes:@{
+                          kLinkAttributeName: [NSURL URLWithString:@"http://placekitten.com/"],
+                          NSForegroundColorAttributeName: [UIColor grayColor],
+                          NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle | NSUnderlinePatternDot),
+                          }
+                  range:[blurb rangeOfString:@"placekitten.com"]];
+  
+  _textNode.attributedText = string;
+  
+  ASStackLayoutSpec *stackSpec = [ASStackLayoutSpec verticalStackLayoutSpec];
+  stackSpec.children = @[_textNode, _buttonNode];
+  stackSpec.spacing = 10;
+  return [ASInsetLayoutSpec insetLayoutSpecWithInsets:UIEdgeInsetsMake(40, 20, 20, 20) child:stackSpec];
+}
+
+@end
+
+@interface OverrideViewController ()
+
+@end
+
+@implementation OverrideViewController
+
+- (instancetype)init
+{
+  OverrideNode *overrideNode = [[OverrideNode alloc] init];
+  
+  if (!(self = [super initWithNode:overrideNode]))
+    return nil;
+  
+  [overrideNode.buttonNode addTarget:self action:@selector(closeTapped:) forControlEvents:ASControlNodeEventTouchUpInside];
+  return self;
+}
+
+- (void)closeTapped:(id)sender
+{
+  if (self.closeBlock) {
+    self.closeBlock();
+  }
+}
+
+@end