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

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

submodules/AsyncDisplayKit/examples/ASViewController/Sample/DetailRootNode.m

@@ -0,0 +1,88 @@
+//
+//  DetailRootNode.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 "DetailRootNode.h"
+#import "DetailCellNode.h"
+
+#import <AsyncDisplayKit/AsyncDisplayKit.h>
+
+static const NSInteger kImageHeight = 200;
+
+
+@interface DetailRootNode () <ASCollectionDataSource, ASCollectionDelegate>
+
+@property (nonatomic, copy) NSString *imageCategory;
+@property (nonatomic, strong) ASCollectionNode *collectionNode;
+
+@end
+
+
+@implementation DetailRootNode
+
+#pragma mark - Lifecycle
+
+- (instancetype)initWithImageCategory:(NSString *)imageCategory
+{
+    self = [super init];
+    if (self) {
+        // Enable automaticallyManagesSubnodes so the first time the layout pass of the node is happening all nodes that are referenced
+        // in the laaout specification within layoutSpecThatFits: will be added automatically
+        self.automaticallyManagesSubnodes = YES;
+        
+        _imageCategory = imageCategory;
+
+        // Create ASCollectionView. We don't have to add it explicitly as subnode as we will set usesImplicitHierarchyManagement to YES
+        UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
+        _collectionNode = [[ASCollectionNode alloc] initWithCollectionViewLayout:layout];
+        _collectionNode.delegate = self;
+        _collectionNode.dataSource = self;
+        _collectionNode.backgroundColor = [UIColor whiteColor];
+    }
+    
+    return self;
+}
+
+- (void)dealloc
+{
+    _collectionNode.delegate = nil;
+    _collectionNode.dataSource = nil;
+}
+
+#pragma mark - ASDisplayNode
+
+- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
+{
+    return [ASWrapperLayoutSpec wrapperWithLayoutElement:self.collectionNode];
+}
+
+#pragma mark - ASCollectionDataSource
+
+- (NSInteger)collectionNode:(ASCollectionNode *)collectionNode numberOfItemsInSection:(NSInteger)section
+{
+    return 10;
+}
+
+- (ASCellNodeBlock)collectionNode:(ASCollectionNode *)collectionNode nodeBlockForItemAtIndexPath:(NSIndexPath *)indexPath
+{
+    NSString *imageCategory = self.imageCategory;
+    return ^{
+        DetailCellNode *node = [[DetailCellNode alloc] init];
+        node.row = indexPath.row;
+        node.imageCategory = imageCategory;
+        return node;
+    };
+}
+
+- (ASSizeRange)collectionNode:(ASCollectionNode *)collectionNode constrainedSizeForItemAtIndexPath:(NSIndexPath *)indexPath
+{
+    CGSize imageSize = CGSizeMake(CGRectGetWidth(collectionNode.view.frame), kImageHeight);
+    return ASSizeRangeMake(imageSize, imageSize);
+}
+
+@end