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

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

submodules/AsyncDisplayKit/examples_extra/SynchronousConcurrency/Sample/AppDelegate.h

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+//
+//  AppDelegate.h
+//  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 <UIKit/UIKit.h>
+
+#define UseAutomaticLayout 1
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+
+@end

submodules/AsyncDisplayKit/examples_extra/SynchronousConcurrency/Sample/AppDelegate.m

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+//
+//  AppDelegate.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 "AppDelegate.h"
+
+#import "AsyncTableViewController.h"
+#import "AsyncViewController.h"
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
+{
+  self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+  self.window.backgroundColor = [UIColor whiteColor];
+  
+  UITabBarController *tabBarController = [[UITabBarController alloc] initWithNibName:nil bundle:nil];
+  self.window.rootViewController = tabBarController;
+  
+  [tabBarController setViewControllers:@[[[AsyncTableViewController alloc] init], [[AsyncViewController alloc] init]]];
+  
+  [self.window makeKeyAndVisible];
+  return YES;
+}
+
+@end

submodules/AsyncDisplayKit/examples_extra/SynchronousConcurrency/Sample/AsyncTableViewController.h

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+//
+//  AsyncTableViewController.h
+//  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 <UIKit/UIKit.h>
+
+@interface AsyncTableViewController : UIViewController
+
+@end

submodules/AsyncDisplayKit/examples_extra/SynchronousConcurrency/Sample/AsyncTableViewController.m

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+//
+//  AsyncTableViewController.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 <AsyncDisplayKit/AsyncDisplayKit.h>
+#import <AsyncDisplayKit/ASAssert.h>
+
+#import "AsyncTableViewController.h"
+#import "RandomCoreGraphicsNode.h"
+
+@interface AsyncTableViewController () <ASTableViewDataSource, ASTableViewDelegate>
+{
+  ASTableView *_tableView;
+}
+
+@end
+
+@implementation AsyncTableViewController
+
+#pragma mark - UIViewController.
+
+- (instancetype)init
+{
+  if (!(self = [super init]))
+    return nil;
+  
+  self.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemFeatured tag:0];
+  self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRedo
+                                                                                         target:self
+                                                                                         action:@selector(reloadEverything)];
+
+  return self;
+}
+
+- (void)reloadEverything
+{
+  [_tableView reloadData];
+}
+
+- (void)viewDidLoad
+{
+  [super viewDidLoad];
+
+  _tableView = [[ASTableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain];
+  _tableView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+  _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
+  _tableView.asyncDataSource = self;
+  _tableView.asyncDelegate = self;
+  
+  ASRangeTuningParameters tuningParameters;
+  tuningParameters.leadingBufferScreenfuls = 0.5;
+  tuningParameters.trailingBufferScreenfuls = 1.0;
+  [_tableView setTuningParameters:tuningParameters forRangeType:ASLayoutRangeTypePreload];
+  [_tableView setTuningParameters:tuningParameters forRangeType:ASLayoutRangeTypeDisplay];
+  
+  [self.view addSubview:_tableView];
+}
+
+#pragma mark - ASTableView.
+
+- (ASCellNodeBlock)tableView:(ASTableView *)tableView nodeBlockForRowAtIndexPath:(NSIndexPath *)indexPath
+{
+  return ^{
+    RandomCoreGraphicsNode *elementNode = [[RandomCoreGraphicsNode alloc] init];
+    elementNode.style.preferredSize = CGSizeMake(320, 100);
+    return elementNode;
+  };
+}
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
+{
+  return 100;
+}
+
+@end

submodules/AsyncDisplayKit/examples_extra/SynchronousConcurrency/Sample/AsyncViewController.h

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+//
+//  AsyncViewController.h
+//  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/ASViewController.h>
+
+@interface AsyncViewController : ASViewController <UITabBarControllerDelegate>
+
+@end

submodules/AsyncDisplayKit/examples_extra/SynchronousConcurrency/Sample/AsyncViewController.m

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+//
+//  AsyncViewController.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 "AsyncViewController.h"
+#import "RandomCoreGraphicsNode.h"
+
+@implementation AsyncViewController
+
+- (instancetype)init
+{
+  if (!(self = [super initWithNode:[[RandomCoreGraphicsNode alloc] init]])) {
+    return nil;
+  }
+
+  self.neverShowPlaceholders = YES;
+  self.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemFavorites tag:0];
+  return self;
+}
+
+- (void)viewWillAppear:(BOOL)animated
+{
+  // FIXME: This is only being called on the first time the UITabBarController shows us.
+  [super viewWillAppear:animated];
+}
+
+- (void)viewDidDisappear:(BOOL)animated
+{
+  [self.node recursivelyClearContents];
+  [super viewDidDisappear:animated];
+}
+
+@end

submodules/AsyncDisplayKit/examples_extra/SynchronousConcurrency/Sample/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.AsyncDisplayKit.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>

submodules/AsyncDisplayKit/examples_extra/SynchronousConcurrency/Sample/RandomCoreGraphicsNode.h

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+//
+//  RandomCoreGraphicsNode.h
+//  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/AsyncDisplayKit.h>
+
+@interface RandomCoreGraphicsNode : ASCellNode
+{
+  ASTextNode *_textNode;
+}
+
+@end

submodules/AsyncDisplayKit/examples_extra/SynchronousConcurrency/Sample/RandomCoreGraphicsNode.m

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+//
+//  RandomCoreGraphicsNode.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 "RandomCoreGraphicsNode.h"
+#import <AsyncDisplayKit/ASDisplayNode+Subclasses.h>
+
+@implementation RandomCoreGraphicsNode
+
++ (UIColor *)randomColor
+{
+  CGFloat hue = ( arc4random() % 256 / 256.0 );  //  0.0 to 1.0
+  CGFloat saturation = ( arc4random() % 128 / 256.0 ) + 0.5;  //  0.5 to 1.0, away from white
+  CGFloat brightness = ( arc4random() % 128 / 256.0 ) + 0.5;  //  0.5 to 1.0, away from black
+  return [UIColor colorWithHue:hue saturation:saturation brightness:brightness alpha:1];
+}
+
++ (void)drawRect:(CGRect)bounds withParameters:(id<NSObject>)parameters isCancelled:(asdisplaynode_iscancelled_block_t)isCancelledBlock isRasterizing:(BOOL)isRasterizing
+{
+  CGFloat locations[3];
+  NSMutableArray *colors = [NSMutableArray arrayWithCapacity:3];
+  [colors addObject:(id)[[RandomCoreGraphicsNode randomColor] CGColor]];
+  locations[0] = 0.0;
+  [colors addObject:(id)[[RandomCoreGraphicsNode randomColor] CGColor]];
+  locations[1] = 1.0;
+  [colors addObject:(id)[[RandomCoreGraphicsNode randomColor] CGColor]];
+  locations[2] = ( arc4random() % 256 / 256.0 );
+
+  
+  CGContextRef ctx = UIGraphicsGetCurrentContext();
+  CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
+  CGGradientRef gradient = CGGradientCreateWithColors(colorSpace, (CFArrayRef)colors, locations);
+  
+  CGGradientDrawingOptions drawingOptions;
+  CGContextDrawLinearGradient(ctx, gradient, CGPointZero, CGPointMake(bounds.size.width, bounds.size.height), drawingOptions);
+  
+  CGColorSpaceRelease(colorSpace);
+}
+
+- (NSObject *)drawParametersForAsyncLayer:(_ASDisplayLayer *)layer
+{
+  return [self description];
+}
+
+- (NSDictionary *)textStyle
+{
+  UIFont *font = [UIFont fontWithName:@"HelveticaNeue" size:36.0f];
+  
+  NSMutableParagraphStyle *style = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
+  style.paragraphSpacing = 0.5 * font.lineHeight;
+  style.hyphenationFactor = 1.0;
+  
+  return @{ NSFontAttributeName: font,
+            NSParagraphStyleAttributeName: style };
+}
+
+- (instancetype)init
+{
+  if (!(self = [super init])) {
+    return nil;
+  }
+  
+  _textNode = [[ASTextNode alloc] init];
+  _textNode.placeholderEnabled = NO;
+  _textNode.attributedText = [[NSAttributedString alloc] initWithString:@"Hello, ASDK!"
+                                                               attributes:[self textStyle]];
+  [self addSubnode:_textNode];
+  
+  return self;
+}
+
+- (CGSize)calculateSizeThatFits:(CGSize)constrainedSize
+{
+  [_textNode layoutThatFits:ASSizeRangeMake(CGSizeZero, constrainedSize)];
+  return CGSizeMake(constrainedSize.width, 100);
+}
+
+- (void)layout
+{
+  [super layout];
+  
+  CGSize boundsSize = self.bounds.size;
+  CGSize textSize = _textNode.calculatedSize;
+  CGRect textRect = CGRectMake(roundf((boundsSize.width - textSize.width) / 2.0),
+                               roundf((boundsSize.height - textSize.height) / 2.0),
+                               textSize.width,
+                               textSize.height);
+  _textNode.frame = textRect;
+}
+
+@end

submodules/AsyncDisplayKit/examples_extra/SynchronousConcurrency/Sample/main.m

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+//
+//  main.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 <UIKit/UIKit.h>
+
+#import "AppDelegate.h"
+
+int main(int argc, char * argv[]) {
+  @autoreleasepool {
+      return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+  }
+}