Get CatDealsCollectionView example running again #trivial (#783)

* Get CatDealsCollectionView example running again

* Fix it for real and some other styling stuff

* Fix some warning

* Adjust headers

examples/CatDealsCollectionView/Sample/BlurbNode.h

@@ -1,18 +1,18 @@
 //
 //  BlurbNode.h
-//  Sample
+//  Texture
 //
 //  Copyright (c) 2014-present, Facebook, Inc.  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
-//  LICENSE file in the root directory of this source tree. An additional grant
-//  of patent rights can be found in the PATENTS file in the same directory.
+//  LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
+//  grant of patent rights can be found in the PATENTS file in the same directory.
 //
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-//  FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-//  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  Modifications to this file made after 4/13/2017 are: Copyright (c) through the present,
+//  Pinterest, Inc.  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
 //
 
 #import <AsyncDisplayKit/AsyncDisplayKit.h>

examples/CatDealsCollectionView/Sample/BlurbNode.m

@@ -1,18 +1,18 @@
 //
 //  BlurbNode.m
-//  Sample
+//  Texture
 //
 //  Copyright (c) 2014-present, Facebook, Inc.  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
-//  LICENSE file in the root directory of this source tree. An additional grant
-//  of patent rights can be found in the PATENTS file in the same directory.
+//  LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
+//  grant of patent rights can be found in the PATENTS file in the same directory.
 //
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-//  FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-//  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  Modifications to this file made after 4/13/2017 are: Copyright (c) through the present,
+//  Pinterest, Inc.  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
 //
 
 #import "BlurbNode.h"
@@ -57,16 +57,15 @@ static CGFloat kTextPadding = 10.0f;
   NSMutableAttributedString *string = [[NSMutableAttributedString alloc] initWithString:blurb];
   [string addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"HelveticaNeue-Light" size:16.0f] range:NSMakeRange(0, blurb.length)];
   [string addAttributes:@{
-                          NSLinkAttributeName: [NSURL URLWithString:@"http://lorempixel.com/"],
-                          NSForegroundColorAttributeName: [UIColor blueColor],
-                          NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle | NSUnderlinePatternDot),
-                          }
-                  range:[blurb rangeOfString:@"lorempixel.com"]];
+    NSLinkAttributeName: [NSURL URLWithString:@"http://lorempixel.com/"],
+    NSForegroundColorAttributeName: [UIColor blueColor],
+    NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle | NSUnderlinePatternDot),
+  } range:[blurb rangeOfString:@"lorempixel.com"]];
   [string addAttributes:@{
-                          NSLinkAttributeName: [NSURL URLWithString:@"http://www.catipsum.com/"],
-                          NSForegroundColorAttributeName: [UIColor blueColor],
-                          NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle | NSUnderlinePatternDot),
-                          } range:[blurb rangeOfString:@"catipsum.com"]];
+    NSLinkAttributeName: [NSURL URLWithString:@"http://www.catipsum.com/"],
+    NSForegroundColorAttributeName: [UIColor blueColor],
+    NSUnderlineStyleAttributeName: @(NSUnderlineStyleSingle | NSUnderlinePatternDot),
+  } range:[blurb rangeOfString:@"catipsum.com"]];
   _textNode.attributedText = string;
 
   // add it as a subnode, and we're done
@@ -90,7 +89,7 @@ static CGFloat kTextPadding = 10.0f;
   centerSpec.sizingOptions = ASCenterLayoutSpecSizingOptionMinimumY;
   centerSpec.child = _textNode;
   
-  UIEdgeInsets padding =UIEdgeInsetsMake(kTextPadding, kTextPadding, kTextPadding, kTextPadding);
+  UIEdgeInsets padding = UIEdgeInsetsMake(kTextPadding, kTextPadding, kTextPadding, kTextPadding);
   return [ASInsetLayoutSpec insetLayoutSpecWithInsets:padding child:centerSpec];
 }
 

examples/CatDealsCollectionView/Sample/ItemNode.h

@@ -20,7 +20,6 @@
 
 @interface ItemNode : ASCellNode
 
-- initWithViewModel:(ItemViewModel *)viewModel;
 + (CGSize)sizeForWidth:(CGFloat)width;
 + (CGSize)preferredViewSize;
 

examples/CatDealsCollectionView/Sample/ItemNode.m

@@ -20,6 +20,16 @@
 #import "PlaceholderNetworkImageNode.h"
 #import <AsyncDisplayKit/ASDisplayNodeExtras.h>
 
+static CGFloat ASIsRTL()
+{
+  static BOOL __isRTL = NO;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    __isRTL = [UIApplication sharedApplication].userInterfaceLayoutDirection == UIUserInterfaceLayoutDirectionRightToLeft;
+  });
+  return __isRTL;
+}
+
 const CGFloat kFixedLabelsAreaHeight = 96.0;
 const CGFloat kDesignWidth = 320.0;
 const CGFloat kDesignHeight = 299.0;
@@ -28,7 +38,7 @@ const CGFloat kSoldOutGBHeight = 50.0;
 
 @interface ItemNode() <ASNetworkImageNodeDelegate>
 
-@property (nonatomic, strong) ItemViewModel *viewModel;
+@property (nonatomic, strong) ItemViewModel *nodeModel;
 
 @property (nonatomic, strong) PlaceholderNetworkImageNode *dealImageView;
 
@@ -46,28 +56,35 @@ const CGFloat kSoldOutGBHeight = 50.0;
 @end
 
 @implementation ItemNode
-@dynamic viewModel;
+// Defined on ASCellNode
+@dynamic nodeModel;
 
-- (instancetype)initWithViewModel:(ItemViewModel *)viewModel
++ (void)load
+{
+  // Need to happen on main thread.
+  ASIsRTL();
+}
+
+- (instancetype)init
 {
   self = [super init];
   if (self != nil) {
-    self.viewModel = viewModel;
-    [self setup];
-    [self updateLabels];
+    [self setupNodes];
     [self updateBackgroundColor];
-    
-    ASSetDebugName(self, @"Item #%zd", viewModel.identifier);
-    self.accessibilityIdentifier = viewModel.titleText;
   }
   return self;
 }
 
-+ (BOOL)isRTL {
-  return [UIApplication sharedApplication].userInterfaceLayoutDirection == UIUserInterfaceLayoutDirectionRightToLeft;
+- (void)setNodeModel:(ItemViewModel *)nodeModel
+{
+  [super setNodeModel:nodeModel];
+  
+  [self updateLabels];
+  [self updateAccessibilityIdentifier];
 }
 
-- (void)setup {
+- (void)setupNodes
+{
   self.dealImageView = [[PlaceholderNetworkImageNode alloc] init];
   self.dealImageView.delegate = self;
   self.dealImageView.placeholderEnabled = YES;
@@ -138,7 +155,7 @@ const CGFloat kSoldOutGBHeight = 50.0;
   self.soldOutLabelBackground.hidden = YES;
   self.soldOutLabelFlat.hidden = YES;
   
-  if ([ItemNode isRTL]) {
+  if (ASIsRTL()) {
     self.titleLabel.style.alignSelf = ASStackLayoutAlignSelfEnd;
     self.firstInfoLabel.style.alignSelf = ASStackLayoutAlignSelfEnd;
     self.distanceLabel.style.alignSelf = ASStackLayoutAlignSelfEnd;
@@ -154,49 +171,56 @@ const CGFloat kSoldOutGBHeight = 50.0;
   }
 }
 
-- (void)updateLabels {
+- (void)updateLabels
+{
   // Set Title text
-  if (self.viewModel.titleText) {
-    self.titleLabel.attributedText = [[NSAttributedString alloc] initWithString:self.viewModel.titleText attributes:[ItemStyles titleStyle]];
+  if (self.nodeModel.titleText) {
+    self.titleLabel.attributedText = [[NSAttributedString alloc] initWithString:self.nodeModel.titleText attributes:[ItemStyles titleStyle]];
   }
-  if (self.viewModel.firstInfoText) {
-    self.firstInfoLabel.attributedText = [[NSAttributedString alloc] initWithString:self.viewModel.firstInfoText attributes:[ItemStyles subtitleStyle]];
+  if (self.nodeModel.firstInfoText) {
+    self.firstInfoLabel.attributedText = [[NSAttributedString alloc] initWithString:self.nodeModel.firstInfoText attributes:[ItemStyles subtitleStyle]];
   }
   
-  if (self.viewModel.secondInfoText) {
-    self.secondInfoLabel.attributedText = [[NSAttributedString alloc] initWithString:self.viewModel.secondInfoText attributes:[ItemStyles secondInfoStyle]];
+  if (self.nodeModel.secondInfoText) {
+    self.secondInfoLabel.attributedText = [[NSAttributedString alloc] initWithString:self.nodeModel.secondInfoText attributes:[ItemStyles secondInfoStyle]];
   }
-  if (self.viewModel.originalPriceText) {
-    self.originalPriceLabel.attributedText = [[NSAttributedString alloc] initWithString:self.viewModel.originalPriceText attributes:[ItemStyles originalPriceStyle]];
+  if (self.nodeModel.originalPriceText) {
+    self.originalPriceLabel.attributedText = [[NSAttributedString alloc] initWithString:self.nodeModel.originalPriceText attributes:[ItemStyles originalPriceStyle]];
   }
-  if (self.viewModel.finalPriceText) {
-        self.finalPriceLabel.attributedText = [[NSAttributedString alloc] initWithString:self.viewModel.finalPriceText attributes:[ItemStyles finalPriceStyle]];
+  if (self.nodeModel.finalPriceText) {
+    self.finalPriceLabel.attributedText = [[NSAttributedString alloc] initWithString:self.nodeModel.finalPriceText attributes:[ItemStyles finalPriceStyle]];
   }
-  if (self.viewModel.distanceLabelText) {
-    NSString *format = [ItemNode isRTL] ? @"%@ •" : @"• %@";
-    NSString *distanceText = [NSString stringWithFormat:format, self.viewModel.distanceLabelText];
+  if (self.nodeModel.distanceLabelText) {
+    NSString *format = ASIsRTL() ? @"%@ •" : @"• %@";
+    NSString *distanceText = [NSString stringWithFormat:format, self.nodeModel.distanceLabelText];
     
     self.distanceLabel.attributedText = [[NSAttributedString alloc] initWithString:distanceText attributes:[ItemStyles distanceStyle]];
   }
   
-  BOOL isSoldOut = self.viewModel.soldOutText != nil;
+  BOOL isSoldOut = self.nodeModel.soldOutText != nil;
   
   if (isSoldOut) {
-    NSString *soldOutText = self.viewModel.soldOutText;
+    NSString *soldOutText = self.nodeModel.soldOutText;
     self.soldOutLabelFlat.attributedText = [[NSAttributedString alloc] initWithString:soldOutText attributes:[ItemStyles soldOutStyle]];
   }
   self.soldOutOverlay.hidden = !isSoldOut;
   self.soldOutLabelFlat.hidden = !isSoldOut;
   self.soldOutLabelBackground.hidden = !isSoldOut;
   
-  BOOL hasBadge = self.viewModel.badgeText != nil;
+  BOOL hasBadge = self.nodeModel.badgeText != nil;
   if (hasBadge) {
-    self.badge.attributedText = [[NSAttributedString alloc] initWithString:self.viewModel.badgeText attributes:[ItemStyles badgeStyle]];
+    self.badge.attributedText = [[NSAttributedString alloc] initWithString:self.nodeModel.badgeText attributes:[ItemStyles badgeStyle]];
     self.badge.backgroundColor = [ItemStyles badgeColor];
   }
   self.badge.hidden = !hasBadge;
 }
 
+- (void)updateAccessibilityIdentifier
+{
+  ASSetDebugName(self, @"Item #%zd", self.nodeModel.identifier);
+  self.accessibilityIdentifier = self.nodeModel.titleText;
+}
+
 - (void)updateBackgroundColor
 {
   if (self.highlighted) {
@@ -208,9 +232,6 @@ const CGFloat kSoldOutGBHeight = 50.0;
   }
 }
 
-- (void)imageNode:(ASNetworkImageNode *)imageNode didLoadImage:(UIImage *)image {
-}
-
 - (void)setSelected:(BOOL)selected
 {
   [super setSelected:selected];
@@ -223,21 +244,22 @@ const CGFloat kSoldOutGBHeight = 50.0;
   [self updateBackgroundColor];
 }
 
-#pragma mark - superclass
+#pragma mark - ASDisplayNode
 
-- (void)displayWillStart {
+- (void)displayWillStart
+{
   [super displayWillStart];
   [self didEnterPreloadState];
 }
 
-- (void)didEnterPreloadState {
+- (void)didEnterPreloadState
+{
   [super didEnterPreloadState];
-  if (self.viewModel) {
+  if (self.nodeModel) {
     [self loadImage];
   }
 }
 
-
 - (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize {
 
   ASLayoutSpec *textSpec = [self textSpec];
@@ -253,7 +275,8 @@ const CGFloat kSoldOutGBHeight = 50.0;
   return soldOutOverlay;
 }
 
-- (ASLayoutSpec *)textSpec {
+- (ASLayoutSpec *)textSpec
+{
   CGFloat kInsetHorizontal = 16.0;
   CGFloat kInsetTop = 6.0;
   CGFloat kInsetBottom = 0.0;
@@ -271,7 +294,7 @@ const CGFloat kSoldOutGBHeight = 50.0;
   
   NSArray *info1Children = @[self.firstInfoLabel, self.distanceLabel, horizontalSpacer1, self.originalPriceLabel];
   NSArray *info2Children = @[self.secondInfoLabel, horizontalSpacer2, self.finalPriceLabel];
-  if ([ItemNode isRTL]) {
+  if (ASIsRTL()) {
     info1Children = [[info1Children reverseObjectEnumerator] allObjects];
     info2Children = [[info2Children reverseObjectEnumerator] allObjects];
   }
@@ -288,7 +311,8 @@ const CGFloat kSoldOutGBHeight = 50.0;
   return textWrapper;
 }
 
-- (ASLayoutSpec *)imageSpecWithSize:(ASSizeRange)constrainedSize {
+- (ASLayoutSpec *)imageSpecWithSize:(ASSizeRange)constrainedSize
+{
   CGFloat imageRatio = [self imageRatioFromSize:constrainedSize.max];
   
   ASRatioLayoutSpec *imagePlace = [ASRatioLayoutSpec ratioLayoutSpecWithRatio:imageRatio child:self.dealImageView];
@@ -310,34 +334,38 @@ const CGFloat kSoldOutGBHeight = 50.0;
   return soldOutLabelOverBackground;
 }
 
-
-+ (CGSize)sizeForWidth:(CGFloat)width {
++ (CGSize)sizeForWidth:(CGFloat)width
+{
   CGFloat height = [self scaledHeightForPreferredSize:[self preferredViewSize] scaledWidth:width];
   return CGSizeMake(width, height);
 }
 
 
-+ (CGSize)preferredViewSize {
++ (CGSize)preferredViewSize
+{
   return CGSizeMake(kDesignWidth, kDesignHeight);
 }
 
-+ (CGFloat)scaledHeightForPreferredSize:(CGSize)preferredSize scaledWidth:(CGFloat)scaledWidth {
++ (CGFloat)scaledHeightForPreferredSize:(CGSize)preferredSize scaledWidth:(CGFloat)scaledWidth
+{
   CGFloat scale = scaledWidth / kDesignWidth;
   CGFloat scaledHeight = ceilf(scale * (kDesignHeight - kFixedLabelsAreaHeight)) + kFixedLabelsAreaHeight;
   
   return scaledHeight;
 }
 
-#pragma mark - view operations
+#pragma mark - Image
 
-- (CGFloat)imageRatioFromSize:(CGSize)size {
+- (CGFloat)imageRatioFromSize:(CGSize)size
+{
   CGFloat imageHeight = size.height - kFixedLabelsAreaHeight;
   CGFloat imageRatio = imageHeight / size.width;
   
   return imageRatio;
 }
 
-- (CGSize)imageSize {
+- (CGSize)imageSize
+{
   if (!CGSizeEqualToSize(self.dealImageView.frame.size, CGSizeZero)) {
     return self.dealImageView.frame.size;
   } else if (!CGSizeEqualToSize(self.calculatedSize, CGSizeZero)) {
@@ -349,13 +377,14 @@ const CGFloat kSoldOutGBHeight = 50.0;
   }
 }
 
-- (void)loadImage {
+- (void)loadImage
+{
   CGSize imageSize = [self imageSize];
   if (CGSizeEqualToSize(CGSizeZero, imageSize)) {
     return;
   }
   
-  NSURL *url = [self.viewModel imageURLWithSize:imageSize];
+  NSURL *url = [self.nodeModel imageURLWithSize:imageSize];
   
   // if we're trying to set the deal image to what it already was, skip the work
   if ([[url absoluteString] isEqualToString:[self.dealImageView.URL absoluteString]]) {

examples/CatDealsCollectionView/Sample/ItemStyles.h

@@ -1,20 +1,18 @@
 //
 //  ItemStyles.h
-//  Sample
-//
-//  Created by Samuel Stow on 12/30/15.
+//  Texture
 //
 //  Copyright (c) 2014-present, Facebook, Inc.  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
-//  LICENSE file in the root directory of this source tree. An additional grant
-//  of patent rights can be found in the PATENTS file in the same directory.
+//  LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
+//  grant of patent rights can be found in the PATENTS file in the same directory.
 //
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-//  FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-//  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  Modifications to this file made after 4/13/2017 are: Copyright (c) through the present,
+//  Pinterest, Inc.  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
 //
 
 #import <Foundation/Foundation.h>

examples/CatDealsCollectionView/Sample/ItemStyles.m

@@ -1,20 +1,18 @@
 //
 //  ItemStyles.m
-//  Sample
-//
-//  Created by Samuel Stow on 12/30/15.
+//  Texture
 //
 //  Copyright (c) 2014-present, Facebook, Inc.  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
-//  LICENSE file in the root directory of this source tree. An additional grant
-//  of patent rights can be found in the PATENTS file in the same directory.
+//  LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
+//  grant of patent rights can be found in the PATENTS file in the same directory.
 //
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-//  FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-//  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  Modifications to this file made after 4/13/2017 are: Copyright (c) through the present,
+//  Pinterest, Inc.  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
 //
 
 #import "ItemStyles.h"
@@ -95,9 +93,10 @@ UIFont *kInfoFont;
 
 + (UIImage *)placeholderImage {
   static UIImage *__catFace = nil;
-  if (!__catFace) {
+  static dispatch_once_t onceToken;
+  dispatch_once (&onceToken, ^{
     __catFace = [UIImage imageNamed:@"cat_face"];
-  }
+  });
   return __catFace;
 }
 

examples/CatDealsCollectionView/Sample/ItemViewModel.m

@@ -35,7 +35,8 @@ NSArray *badges;
   return [[ItemViewModel alloc] init];
 }
 
-- (instancetype)init {
+- (instancetype)init
+{
     self = [super init];
     if (self) {
       static _Atomic(NSInteger) nextID = ATOMIC_VAR_INIT(1);
@@ -45,11 +46,9 @@ NSArray *badges;
       _secondInfoText = [NSString stringWithFormat:@"%zd+ bought", [self randomNumberInRange:5 to:6000]];
       _originalPriceText = [NSString stringWithFormat:@"$%zd", [self randomNumberInRange:40 to:90]];
       _finalPriceText = [NSString stringWithFormat:@"$%zd", [self randomNumberInRange:5 to:30]];
-      BOOL isSoldOut = arc4random() % 5 == 0;
-      _soldOutText = isSoldOut ? @"SOLD OUT" : nil;
+      _soldOutText = (arc4random() % 5 == 0) ? @"SOLD OUT" : nil;
       _distanceLabelText = [NSString stringWithFormat:@"%zd mi", [self randomNumberInRange:1 to:20]];
-      BOOL isBadged = arc4random() % 2 == 0;
-      if (isBadged) {
+      if (arc4random() % 2 == 0) {
         _badgeText = [self randomObjectFromArray:badges];
       }
       _catNumber = [self randomNumberInRange:1 to:10];
@@ -58,18 +57,20 @@ NSArray *badges;
     return self;
 }
 
-- (NSURL *)imageURLWithSize:(CGSize)size {
+- (NSURL *)imageURLWithSize:(CGSize)size
+{
   NSString *imageText = [NSString stringWithFormat:@"Fun cat pic %zd", self.labelNumber];
   NSString *urlString = [NSString stringWithFormat:@"http://lorempixel.com/%zd/%zd/cats/%zd/%@",
                          (NSInteger)roundl(size.width),
                          (NSInteger)roundl(size.height), self.catNumber, imageText];
-  urlString = [urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
-  
+
+  urlString = [urlString stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLFragmentAllowedCharacterSet]];
   return [NSURL URLWithString:urlString];
 }
 
 // titles courtesy of http://www.catipsum.com/
-+ (void)initialize {
++ (void)initialize
+{
   titles = @[@"Leave fur on owners clothes intrigued by the shower",
              @"Meowwww",
              @"Immediately regret falling into bathtub stare out the window",

examples/CatDealsCollectionView/Sample/LoadingNode.h

@@ -1,20 +1,18 @@
 //
 //  LoadingNode.h
-//  Sample
-//
-//  Created by Samuel Stow on 1/9/16.
+//  Texture
 //
 //  Copyright (c) 2014-present, Facebook, Inc.  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
-//  LICENSE file in the root directory of this source tree. An additional grant
-//  of patent rights can be found in the PATENTS file in the same directory.
+//  LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
+//  grant of patent rights can be found in the PATENTS file in the same directory.
 //
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-//  FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-//  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  Modifications to this file made after 4/13/2017 are: Copyright (c) through the present,
+//  Pinterest, Inc.  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
 //
 
 #import <AsyncDisplayKit/AsyncDisplayKit.h>

examples/CatDealsCollectionView/Sample/LoadingNode.m

@@ -1,41 +1,29 @@
 //
 //  LoadingNode.m
-//  Sample
-//
-//  Created by Samuel Stow on 1/9/16.
+//  Texture
 //
 //  Copyright (c) 2014-present, Facebook, Inc.  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
-//  LICENSE file in the root directory of this source tree. An additional grant
-//  of patent rights can be found in the PATENTS file in the same directory.
+//  LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
+//  grant of patent rights can be found in the PATENTS file in the same directory.
 //
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-//  FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-//  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  Modifications to this file made after 4/13/2017 are: Copyright (c) through the present,
+//  Pinterest, Inc.  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
 //
 
 #import "LoadingNode.h"
-#import <AsyncDisplayKit/ASDisplayNode+Subclasses.h>
-#import <AsyncDisplayKit/ASHighlightOverlayLayer.h>
 
-#import <AsyncDisplayKit/ASInsetLayoutSpec.h>
 #import <AsyncDisplayKit/ASCenterLayoutSpec.h>
 
-@interface LoadingNode ()
-{
+@implementation LoadingNode {
   ASDisplayNode *_loadingSpinner;
 }
 
-@end
-
-@implementation LoadingNode
-
-
-#pragma mark -
-#pragma mark ASCellNode.
+#pragma mark - ASCellNode
 
 - (instancetype)init
 {
@@ -61,7 +49,6 @@
   centerSpec.centeringOptions = ASCenterLayoutSpecCenteringXY;
   centerSpec.sizingOptions = ASCenterLayoutSpecSizingOptionDefault;
   centerSpec.child = _loadingSpinner;
-  
   return centerSpec;
 }
 

examples/CatDealsCollectionView/Sample/PlaceholderNetworkImageNode.h

@@ -1,20 +1,18 @@
 //
 //  PlaceholderNetworkImageNode.h
-//  Sample
-//
-//  Created by Samuel Stow on 1/14/16.
+//  Texture
 //
 //  Copyright (c) 2014-present, Facebook, Inc.  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
-//  LICENSE file in the root directory of this source tree. An additional grant
-//  of patent rights can be found in the PATENTS file in the same directory.
+//  LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
+//  grant of patent rights can be found in the PATENTS file in the same directory.
 //
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-//  FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-//  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  Modifications to this file made after 4/13/2017 are: Copyright (c) through the present,
+//  Pinterest, Inc.  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
 //
 
 #import <AsyncDisplayKit/AsyncDisplayKit.h>

examples/CatDealsCollectionView/Sample/PlaceholderNetworkImageNode.m

@@ -1,29 +1,27 @@
 //
 //  PlaceholderNetworkImageNode.m
-//  Sample
-//
-//  Created by Samuel Stow on 1/14/16.
+//  Texture
 //
 //  Copyright (c) 2014-present, Facebook, Inc.  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
-//  LICENSE file in the root directory of this source tree. An additional grant
-//  of patent rights can be found in the PATENTS file in the same directory.
+//  LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
+//  grant of patent rights can be found in the PATENTS file in the same directory.
 //
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-//  FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-//  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  Modifications to this file made after 4/13/2017 are: Copyright (c) through the present,
+//  Pinterest, Inc.  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
 //
 
 #import "PlaceholderNetworkImageNode.h"
 
 @implementation PlaceholderNetworkImageNode
 
-- (UIImage *)placeholderImage {
+- (UIImage *)placeholderImage
+{
   return self.placeholderImageOverride;
 }
 
-
 @end

examples/CatDealsCollectionView/Sample/ViewController.m

@@ -50,7 +50,6 @@ static const CGFloat kHorizontalSectionPadding = 10.0f;
   self = [super initWithNode:_collectionNode];
   
   if (self) {
-    
     self.title = @"Cat Deals";
   
     _collectionNode.dataSource = self;
@@ -89,7 +88,8 @@ static const CGFloat kHorizontalSectionPadding = 10.0f;
   [self fetchMoreCatsWithCompletion:nil];
 }
 
-- (void)fetchMoreCatsWithCompletion:(void (^)(BOOL))completion {
+- (void)fetchMoreCatsWithCompletion:(void (^)(BOOL))completion
+{
   if (kSimulateWebResponse) {
     __weak typeof(self) weakSelf = self;
     void(^mockWebService)() = ^{
@@ -110,7 +110,8 @@ static const CGFloat kHorizontalSectionPadding = 10.0f;
   }
 }
 
-- (void)appendMoreItems:(NSInteger)numberOfNewItems completion:(void (^)(BOOL))completion {
+- (void)appendMoreItems:(NSInteger)numberOfNewItems completion:(void (^)(BOOL))completion
+{
   NSArray *newData = [self getMoreData:numberOfNewItems];
   [_collectionNode performBatchAnimated:YES updates:^{
     [_data addObjectsFromArray:newData];
@@ -119,7 +120,8 @@ static const CGFloat kHorizontalSectionPadding = 10.0f;
   } completion:completion];
 }
 
-- (NSArray *)getMoreData:(NSInteger)count {
+- (NSArray *)getMoreData:(NSInteger)count
+{
   NSMutableArray *data = [NSMutableArray array];
   for (int i = 0; i < count; i++) {
     [data addObject:[ItemViewModel randomItem]];
@@ -127,7 +129,8 @@ static const CGFloat kHorizontalSectionPadding = 10.0f;
   return data;
 }
 
-- (NSArray *)indexPathsForObjects:(NSArray *)data {
+- (NSArray *)indexPathsForObjects:(NSArray *)data
+{
   NSMutableArray *indexPaths = [NSMutableArray array];
   NSInteger section = 0;
   for (ItemViewModel *viewModel in data) {
@@ -138,7 +141,8 @@ static const CGFloat kHorizontalSectionPadding = 10.0f;
   return indexPaths;
 }
 
-- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
+- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator
+{
   [_collectionNode.view.collectionViewLayout invalidateLayout];
 }
 
@@ -151,12 +155,16 @@ static const CGFloat kHorizontalSectionPadding = 10.0f;
 
 - (ASCellNodeBlock)collectionNode:(ASCollectionNode *)collectionNode nodeBlockForItemAtIndexPath:(NSIndexPath *)indexPath
 {
-  ItemViewModel *viewModel = _data[indexPath.item];
   return ^{
-    return [[ItemNode alloc] initWithViewModel:viewModel];
+    return [[ItemNode alloc] init];
   };
 }
 
+- (id)collectionNode:(ASCollectionNode *)collectionNode nodeModelForItemAtIndexPath:(NSIndexPath *)indexPath
+{
+  return _data[indexPath.item];
+}
+
 - (ASCellNode *)collectionNode:(ASCollectionNode *)collectionNode nodeForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
 {
   if ([kind isEqualToString:UICollectionElementKindSectionHeader] && indexPath.section == 0) {