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

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

submodules/AsyncDisplayKit/examples/LayoutSpecExamples-Swift/Sample/LayoutExampleNode+Layouts.swift

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+//
+//  LayoutExampleNode+Layouts.swift
+//  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 AsyncDisplayKit
+
+extension HeaderWithRightAndLeftItems {
+
+  override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec {
+    let nameLocationStack = ASStackLayoutSpec.vertical()
+    nameLocationStack.style.flexShrink = 1.0
+    nameLocationStack.style.flexGrow = 1.0
+
+    if postLocationNode.attributedText != nil {
+      nameLocationStack.children = [userNameNode, postLocationNode]
+    } else {
+      nameLocationStack.children = [userNameNode]
+    }
+
+    let headerStackSpec = ASStackLayoutSpec(direction: .horizontal,
+                                            spacing: 40,
+                                            justifyContent: .start,
+                                            alignItems: .center,
+                                            children: [nameLocationStack, postTimeNode])
+
+    return ASInsetLayoutSpec(insets: UIEdgeInsets(top: 0, left: 10, bottom: 0, right: 10), child: headerStackSpec)
+  }
+
+}
+
+extension PhotoWithInsetTextOverlay {
+
+  override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec {
+    let photoDimension: CGFloat = constrainedSize.max.width / 4.0
+    photoNode.style.preferredSize = CGSize(width: photoDimension, height: photoDimension)
+
+    // INFINITY is used to make the inset unbounded
+    let insets = UIEdgeInsets(top: CGFloat.infinity, left: 12, bottom: 12, right: 12)
+    let textInsetSpec = ASInsetLayoutSpec(insets: insets, child: titleNode)
+
+    return ASOverlayLayoutSpec(child: photoNode, overlay: textInsetSpec)
+  }
+
+}
+
+extension PhotoWithOutsetIconOverlay {
+
+  override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec {
+    iconNode.style.preferredSize = CGSize(width: 40, height: 40);
+    iconNode.style.layoutPosition = CGPoint(x: 150, y: 0);
+
+    photoNode.style.preferredSize = CGSize(width: 150, height: 150);
+    photoNode.style.layoutPosition = CGPoint(x: 40 / 2.0, y: 40 / 2.0);
+
+    let absoluteSpec = ASAbsoluteLayoutSpec(children: [photoNode, iconNode])
+
+    // ASAbsoluteLayoutSpec's .sizing property recreates the behavior of ASDK Layout API 1.0's "ASStaticLayoutSpec"
+    absoluteSpec.sizing = .sizeToFit
+
+    return absoluteSpec;
+  }
+
+}
+
+extension FlexibleSeparatorSurroundingContent {
+
+  override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec {
+    topSeparator.style.flexGrow = 1.0
+    bottomSeparator.style.flexGrow = 1.0
+    textNode.style.alignSelf = .center
+
+    let verticalStackSpec = ASStackLayoutSpec.vertical()
+    verticalStackSpec.spacing = 20
+    verticalStackSpec.justifyContent = .center
+    verticalStackSpec.children = [topSeparator, textNode, bottomSeparator]
+
+    return ASInsetLayoutSpec(insets:UIEdgeInsets(top: 60, left: 0, bottom: 60, right: 0), child: verticalStackSpec)
+  }
+
+}