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Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'
git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline:d06f423e0egit-subtree-split:02bedc1281
This commit is contained in:
Peter
@@ -0,0 +1,18 @@
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//
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// AppDelegate.h
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <UIKit/UIKit.h>
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#define UseAutomaticLayout 1
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@interface AppDelegate : UIResponder <UIApplicationDelegate>
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@property (strong, nonatomic) UIWindow *window;
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@end
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@@ -0,0 +1,25 @@
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//
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// AppDelegate.m
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import "AppDelegate.h"
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#import "ViewController.h"
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@implementation AppDelegate
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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
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{
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self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
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self.window.backgroundColor = [UIColor whiteColor];
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self.window.rootViewController = [[UINavigationController alloc] initWithRootViewController:[[ViewController alloc] init]];
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[self.window makeKeyAndVisible];
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return YES;
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}
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@end
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@@ -0,0 +1,17 @@
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//
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// BlurbNode.h
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/AsyncDisplayKit.h>
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/**
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* Simple node that displays a placekitten.com attribution.
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*/
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@interface BlurbNode : ASCellNode
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@end
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@@ -0,0 +1,113 @@
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//
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// BlurbNode.m
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import "BlurbNode.h"
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#import "AppDelegate.h"
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#import <AsyncDisplayKit/ASDisplayNode+Subclasses.h>
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#import <AsyncDisplayKit/ASHighlightOverlayLayer.h>
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#import <AsyncDisplayKit/ASInsetLayoutSpec.h>
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#import <AsyncDisplayKit/ASCenterLayoutSpec.h>
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static CGFloat kTextPadding = 10.0f;
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static NSString *kLinkAttributeName = @"PlaceKittenNodeLinkAttributeName";
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@interface BlurbNode () <ASTextNodeDelegate>
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{
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ASTextNode *_textNode;
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}
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@end
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@implementation BlurbNode
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#pragma mark -
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#pragma mark ASCellNode.
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- (instancetype)init
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{
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if (!(self = [super init]))
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return nil;
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// create a text node
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_textNode = [[ASTextNode alloc] init];
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// configure the node to support tappable links
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_textNode.delegate = self;
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_textNode.userInteractionEnabled = YES;
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_textNode.linkAttributeNames = @[ kLinkAttributeName ];
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// generate an attributed string using the custom link attribute specified above
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NSString *blurb = @"Nic Cage courtesy of himself.";
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NSMutableAttributedString *string = [[NSMutableAttributedString alloc] initWithString:blurb];
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_textNode.attributedText = string;
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// add it as a subnode, and we're done
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[self addSubnode:_textNode];
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return self;
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}
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- (void)didLoad
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{
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// enable highlighting now that self.layer has loaded -- see ASHighlightOverlayLayer.h
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self.layer.as_allowsHighlightDrawing = YES;
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[super didLoad];
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}
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#if UseAutomaticLayout
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- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
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{
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ASCenterLayoutSpec *centerSpec = [[ASCenterLayoutSpec alloc] init];
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centerSpec.centeringOptions = ASCenterLayoutSpecCenteringX;
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centerSpec.sizingOptions = ASCenterLayoutSpecSizingOptionMinimumY;
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centerSpec.child = _textNode;
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UIEdgeInsets padding =UIEdgeInsetsMake(kTextPadding, kTextPadding, kTextPadding, kTextPadding);
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return [ASInsetLayoutSpec insetLayoutSpecWithInsets:padding child:centerSpec];
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}
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#else
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- (CGSize)calculateSizeThatFits:(CGSize)constrainedSize
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{
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// called on a background thread. custom nodes must call -measure: on their subnodes in -calculateSizeThatFits:
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CGSize measuredSize = [_textNode measure:CGSizeMake(constrainedSize.width - 2 * kTextPadding,
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constrainedSize.height - 2 * kTextPadding)];
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return CGSizeMake(constrainedSize.width, measuredSize.height + 2 * kTextPadding);
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}
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- (void)layout
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{
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// called on the main thread. we'll use the stashed size from above, instead of blocking on text sizing
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CGSize textNodeSize = _textNode.calculatedSize;
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_textNode.frame = CGRectMake(roundf((self.calculatedSize.width - textNodeSize.width) / 2.0f),
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kTextPadding,
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textNodeSize.width,
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textNodeSize.height);
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}
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#endif
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#pragma mark -
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#pragma mark ASTextNodeDelegate methods.
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- (BOOL)textNode:(ASTextNode *)richTextNode shouldHighlightLinkAttribute:(NSString *)attribute value:(id)value atPoint:(CGPoint)point
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{
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// opt into link highlighting -- tap and hold the link to try it! must enable highlighting on a layer, see -didLoad
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return YES;
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}
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- (void)textNode:(ASTextNode *)richTextNode tappedLinkAttribute:(NSString *)attribute value:(NSURL *)URL atPoint:(CGPoint)point textRange:(NSRange)textRange
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{
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// the node tapped a link, open it
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[[UIApplication sharedApplication] openURL:URL];
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}
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@end
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@@ -0,0 +1,36 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>CFBundleDevelopmentRegion</key>
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<string>en</string>
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<key>CFBundleExecutable</key>
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<string>$(EXECUTABLE_NAME)</string>
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<key>CFBundleIdentifier</key>
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<string>com.facebook.AsyncDisplayKit.$(PRODUCT_NAME:rfc1034identifier)</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>$(PRODUCT_NAME)</string>
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<key>CFBundlePackageType</key>
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<string>APPL</string>
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<key>CFBundleShortVersionString</key>
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<string>1.0</string>
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<key>CFBundleSignature</key>
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<string>????</string>
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<key>CFBundleVersion</key>
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<string>1</string>
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<key>LSRequiresIPhoneOS</key>
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<true/>
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<key>UIRequiredDeviceCapabilities</key>
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<array>
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<string>armv7</string>
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</array>
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<key>UISupportedInterfaceOrientations</key>
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<array>
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<string>UIInterfaceOrientationPortrait</string>
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<string>UIInterfaceOrientationLandscapeLeft</string>
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<string>UIInterfaceOrientationLandscapeRight</string>
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</array>
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</dict>
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</plist>
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//
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// NicCageNode.h
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/AsyncDisplayKit.h>
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/**
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* Social media-style node that displays a kitten picture and a random length
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* of lorem ipsum text. Uses a placekitten.com kitten of the specified size.
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*/
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@interface NicCageNode : ASCellNode
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- (instancetype)initWithKittenOfSize:(CGSize)size;
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- (void)toggleImageEnlargement;
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@end
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@@ -0,0 +1,260 @@
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//
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// NicCageNode.mm
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import "NicCageNode.h"
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#import "AppDelegate.h"
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#import <AsyncDisplayKit/ASDisplayNode+Subclasses.h>
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#import <AsyncDisplayKit/ASDisplayNode+Beta.h>
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#import <AsyncDisplayKit/ASStackLayoutSpec.h>
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#import <AsyncDisplayKit/ASInsetLayoutSpec.h>
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#import <AsyncDisplayKit/ASVideoNode.h>
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static const CGFloat kImageSize = 80.0f;
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static const CGFloat kOuterPadding = 16.0f;
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static const CGFloat kInnerPadding = 10.0f;
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#define kVideoURL @"https://www.w3schools.com/html/mov_bbb.mp4"
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#define kVideoStreamURL @"http://devimages.apple.com/iphone/samples/bipbop/bipbopall.m3u8"
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@interface NicCageNode ()
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{
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CGSize _kittenSize;
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// ASNetworkImageNode *_imageNode;
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ASVideoNode *_videoNode;
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ASTextNode *_textNode;
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ASDisplayNode *_divider;
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BOOL _isImageEnlarged;
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BOOL _swappedTextAndImage;
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}
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@end
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@implementation NicCageNode
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// lorem ipsum text courtesy https://kittyipsum.com/ <3
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+ (NSArray *)placeholders
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{
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static NSArray *placeholders = nil;
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static dispatch_once_t once;
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dispatch_once(&once, ^{
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placeholders = @[
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@"Kitty ipsum dolor sit amet, purr sleep on your face lay down in your way biting, sniff tincidunt a etiam fluffy fur judging you stuck in a tree kittens.",
|
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@"Lick tincidunt a biting eat the grass, egestas enim ut lick leap puking climb the curtains lick.",
|
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@"Lick quis nunc toss the mousie vel, tortor pellentesque sunbathe orci turpis non tail flick suscipit sleep in the sink.",
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@"Orci turpis litter box et stuck in a tree, egestas ac tempus et aliquam elit.",
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@"Hairball iaculis dolor dolor neque, nibh adipiscing vehicula egestas dolor aliquam.",
|
||||
@"Sunbathe fluffy fur tortor faucibus pharetra jump, enim jump on the table I don't like that food catnip toss the mousie scratched.",
|
||||
@"Quis nunc nam sleep in the sink quis nunc purr faucibus, chase the red dot consectetur bat sagittis.",
|
||||
@"Lick tail flick jump on the table stretching purr amet, rhoncus scratched jump on the table run.",
|
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@"Suspendisse aliquam vulputate feed me sleep on your keyboard, rip the couch faucibus sleep on your keyboard tristique give me fish dolor.",
|
||||
@"Rip the couch hiss attack your ankles biting pellentesque puking, enim suspendisse enim mauris a.",
|
||||
@"Sollicitudin iaculis vestibulum toss the mousie biting attack your ankles, puking nunc jump adipiscing in viverra.",
|
||||
@"Nam zzz amet neque, bat tincidunt a iaculis sniff hiss bibendum leap nibh.",
|
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@"Chase the red dot enim puking chuf, tristique et egestas sniff sollicitudin pharetra enim ut mauris a.",
|
||||
@"Sagittis scratched et lick, hairball leap attack adipiscing catnip tail flick iaculis lick.",
|
||||
@"Neque neque sleep in the sink neque sleep on your face, climb the curtains chuf tail flick sniff tortor non.",
|
||||
@"Ac etiam kittens claw toss the mousie jump, pellentesque rhoncus litter box give me fish adipiscing mauris a.",
|
||||
@"Pharetra egestas sunbathe faucibus ac fluffy fur, hiss feed me give me fish accumsan.",
|
||||
@"Tortor leap tristique accumsan rutrum sleep in the sink, amet sollicitudin adipiscing dolor chase the red dot.",
|
||||
@"Knock over the lamp pharetra vehicula sleep on your face rhoncus, jump elit cras nec quis quis nunc nam.",
|
||||
@"Sollicitudin feed me et ac in viverra catnip, nunc eat I don't like that food iaculis give me fish.",
|
||||
];
|
||||
});
|
||||
|
||||
return placeholders;
|
||||
}
|
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|
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- (instancetype)initWithKittenOfSize:(CGSize)size
|
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{
|
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if (!(self = [super init]))
|
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return nil;
|
||||
|
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_kittenSize = size;
|
||||
|
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u_int32_t videoInitMethod = arc4random_uniform(3);
|
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u_int32_t autoPlay = arc4random_uniform(2);
|
||||
NSArray* methodArray = @[@"AVAsset", @"File URL", @"HLS URL"];
|
||||
NSArray* autoPlayArray = @[@"paused", @"auto play"];
|
||||
|
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switch (videoInitMethod) {
|
||||
case 0:
|
||||
// Construct an AVAsset from a URL
|
||||
_videoNode = [[ASVideoNode alloc] init];
|
||||
_videoNode.asset = [AVAsset assetWithURL:[NSURL URLWithString:kVideoURL]];
|
||||
break;
|
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|
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case 1:
|
||||
// Construct the video node directly from the .mp4 URL
|
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_videoNode = [[ASVideoNode alloc] init];
|
||||
_videoNode.asset = [AVAsset assetWithURL:[NSURL URLWithString:kVideoURL]];
|
||||
break;
|
||||
|
||||
case 2:
|
||||
// Construct the video node from an HTTP Live Streaming URL
|
||||
// URL from https://developer.apple.com/library/ios/documentation/AudioVideo/Conceptual/AVFoundationPG/Articles/02_Playback.html
|
||||
_videoNode = [[ASVideoNode alloc] init];
|
||||
_videoNode.asset = [AVAsset assetWithURL:[NSURL URLWithString:kVideoStreamURL]];
|
||||
break;
|
||||
}
|
||||
|
||||
if (autoPlay == 1)
|
||||
_videoNode.shouldAutoplay = YES;
|
||||
|
||||
_videoNode.shouldAutorepeat = YES;
|
||||
_videoNode.backgroundColor = ASDisplayNodeDefaultPlaceholderColor();
|
||||
|
||||
[self addSubnode:_videoNode];
|
||||
|
||||
_textNode = [[ASTextNode alloc] init];
|
||||
_textNode.attributedText = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"%@ %@ %@", methodArray[videoInitMethod], autoPlayArray[autoPlay], [self kittyIpsum]]
|
||||
attributes:[self textStyle]];
|
||||
[self addSubnode:_textNode];
|
||||
|
||||
// hairline cell separator
|
||||
_divider = [[ASDisplayNode alloc] init];
|
||||
_divider.backgroundColor = [UIColor lightGrayColor];
|
||||
[self addSubnode:_divider];
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
- (NSString *)kittyIpsum
|
||||
{
|
||||
NSArray *placeholders = [NicCageNode placeholders];
|
||||
u_int32_t ipsumCount = (u_int32_t)[placeholders count];
|
||||
u_int32_t location = arc4random_uniform(ipsumCount);
|
||||
u_int32_t length = arc4random_uniform(ipsumCount - location);
|
||||
|
||||
NSMutableString *string = [placeholders[location] mutableCopy];
|
||||
for (u_int32_t i = location + 1; i < location + length; i++) {
|
||||
[string appendString:(i % 2 == 0) ? @"\n" : @" "];
|
||||
[string appendString:placeholders[i]];
|
||||
}
|
||||
|
||||
return string;
|
||||
}
|
||||
|
||||
- (NSDictionary *)textStyle
|
||||
{
|
||||
UIFont *font = [UIFont fontWithName:@"HelveticaNeue" size:12.0f];
|
||||
|
||||
NSMutableParagraphStyle *style = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
|
||||
style.paragraphSpacing = 0.5 * font.lineHeight;
|
||||
style.hyphenationFactor = 1.0;
|
||||
|
||||
return @{ NSFontAttributeName: font,
|
||||
NSParagraphStyleAttributeName: style };
|
||||
}
|
||||
|
||||
#if UseAutomaticLayout
|
||||
- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
|
||||
{
|
||||
CGSize videoNodeSize = _isImageEnlarged ? CGSizeMake(2.0 * kImageSize, 2.0 * kImageSize)
|
||||
: CGSizeMake(kImageSize, kImageSize);
|
||||
|
||||
[_videoNode.style setPreferredSize:videoNodeSize];
|
||||
|
||||
_textNode.style.flexShrink = 1.0;
|
||||
|
||||
ASStackLayoutSpec *stackSpec = [[ASStackLayoutSpec alloc] init];
|
||||
stackSpec.direction = ASStackLayoutDirectionHorizontal;
|
||||
stackSpec.spacing = kInnerPadding;
|
||||
[stackSpec setChildren:!_swappedTextAndImage ? @[_videoNode, _textNode] : @[_textNode, _videoNode]];
|
||||
|
||||
ASInsetLayoutSpec *insetSpec = [[ASInsetLayoutSpec alloc] init];
|
||||
insetSpec.insets = UIEdgeInsetsMake(kOuterPadding, kOuterPadding, kOuterPadding, kOuterPadding);
|
||||
insetSpec.child = stackSpec;
|
||||
|
||||
return insetSpec;
|
||||
}
|
||||
|
||||
// With box model, you don't need to override this method, unless you want to add custom logic.
|
||||
- (void)layout
|
||||
{
|
||||
[super layout];
|
||||
|
||||
// Manually layout the divider.
|
||||
CGFloat pixelHeight = 1.0f / [[UIScreen mainScreen] scale];
|
||||
_divider.frame = CGRectMake(0.0f, 0.0f, self.calculatedSize.width, pixelHeight);
|
||||
}
|
||||
#else
|
||||
- (CGSize)calculateSizeThatFits:(CGSize)constrainedSize
|
||||
{
|
||||
CGSize imageSize = CGSizeMake(kImageSize, kImageSize);
|
||||
CGSize textSize = [_textNode measure:CGSizeMake(constrainedSize.width - kImageSize - 2 * kOuterPadding - kInnerPadding,
|
||||
constrainedSize.height)];
|
||||
|
||||
// ensure there's room for the text
|
||||
CGFloat requiredHeight = MAX(textSize.height, imageSize.height);
|
||||
return CGSizeMake(constrainedSize.width, requiredHeight + 2 * kOuterPadding);
|
||||
}
|
||||
|
||||
- (void)layout
|
||||
{
|
||||
CGFloat pixelHeight = 1.0f / [[UIScreen mainScreen] scale];
|
||||
_divider.frame = CGRectMake(0.0f, 0.0f, self.calculatedSize.width, pixelHeight);
|
||||
|
||||
_imageNode.frame = CGRectMake(kOuterPadding, kOuterPadding, kImageSize, kImageSize);
|
||||
|
||||
CGSize textSize = _textNode.calculatedSize;
|
||||
_textNode.frame = CGRectMake(kOuterPadding + kImageSize + kInnerPadding, kOuterPadding, textSize.width, textSize.height);
|
||||
}
|
||||
#endif
|
||||
|
||||
- (void)toggleImageEnlargement
|
||||
{
|
||||
_isImageEnlarged = !_isImageEnlarged;
|
||||
[self setNeedsLayout];
|
||||
}
|
||||
|
||||
- (void)toggleNodesSwap
|
||||
{
|
||||
_swappedTextAndImage = !_swappedTextAndImage;
|
||||
|
||||
[UIView animateWithDuration:0.15 animations:^{
|
||||
self.alpha = 0;
|
||||
} completion:^(BOOL finished) {
|
||||
[self setNeedsLayout];
|
||||
[self.view layoutIfNeeded];
|
||||
|
||||
[UIView animateWithDuration:0.15 animations:^{
|
||||
self.alpha = 1;
|
||||
}];
|
||||
}];
|
||||
}
|
||||
|
||||
- (void)updateBackgroundColor
|
||||
{
|
||||
if (self.highlighted) {
|
||||
self.backgroundColor = [UIColor lightGrayColor];
|
||||
} else if (self.selected) {
|
||||
self.backgroundColor = [UIColor blueColor];
|
||||
} else {
|
||||
self.backgroundColor = [UIColor whiteColor];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setSelected:(BOOL)selected
|
||||
{
|
||||
[super setSelected:selected];
|
||||
[self updateBackgroundColor];
|
||||
}
|
||||
|
||||
- (void)setHighlighted:(BOOL)highlighted
|
||||
{
|
||||
[super setHighlighted:highlighted];
|
||||
[self updateBackgroundColor];
|
||||
}
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,14 @@
|
||||
//
|
||||
// ViewController.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 ViewController : UIViewController
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,197 @@
|
||||
//
|
||||
// ViewController.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 "ViewController.h"
|
||||
|
||||
#import <AsyncDisplayKit/AsyncDisplayKit.h>
|
||||
#import <AsyncDisplayKit/ASAssert.h>
|
||||
|
||||
#import "BlurbNode.h"
|
||||
#import "NicCageNode.h"
|
||||
#import <AsyncDisplayKit/ASDisplayNode+Beta.h>
|
||||
|
||||
static const NSInteger kCageSize = 20; // intial number of Cage cells in ASTableView
|
||||
static const NSInteger kCageBatchSize = 10; // number of Cage cells to add to ASTableView
|
||||
static const NSInteger kMaxCageSize = 100; // max number of Cage cells allowed in ASTableView
|
||||
|
||||
@interface ViewController () <ASTableViewDataSource, ASTableViewDelegate>
|
||||
{
|
||||
ASTableView *_tableView;
|
||||
|
||||
// array of boxed CGSizes corresponding to placekitten.com kittens
|
||||
NSMutableArray *_kittenDataSource;
|
||||
|
||||
BOOL _dataSourceLocked;
|
||||
NSIndexPath *_blurbNodeIndexPath;
|
||||
}
|
||||
|
||||
@property (nonatomic, strong) NSMutableArray *kittenDataSource;
|
||||
@property (atomic, assign) BOOL dataSourceLocked;
|
||||
|
||||
@end
|
||||
|
||||
@implementation ViewController
|
||||
|
||||
#pragma mark -
|
||||
#pragma mark UIViewController.
|
||||
|
||||
- (instancetype)init
|
||||
{
|
||||
if (!(self = [super init]))
|
||||
return nil;
|
||||
|
||||
_tableView = [[ASTableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
|
||||
_tableView.separatorStyle = UITableViewCellSeparatorStyleNone; // KittenNode has its own separator
|
||||
_tableView.asyncDataSource = self;
|
||||
_tableView.asyncDelegate = self;
|
||||
|
||||
// populate our "data source" with some random kittens
|
||||
_kittenDataSource = [self createLitterWithSize:kCageSize];
|
||||
|
||||
_blurbNodeIndexPath = [NSIndexPath indexPathForItem:0 inSection:0];
|
||||
|
||||
self.title = @"Nic Cage";
|
||||
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemEdit
|
||||
target:self
|
||||
action:@selector(toggleEditingMode)];
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
- (NSMutableArray *)createLitterWithSize:(NSInteger)litterSize
|
||||
{
|
||||
NSMutableArray *cages = [NSMutableArray arrayWithCapacity:litterSize];
|
||||
for (NSInteger i = 0; i < litterSize; i++) {
|
||||
|
||||
u_int32_t deltaX = arc4random_uniform(10) - 5;
|
||||
u_int32_t deltaY = arc4random_uniform(10) - 5;
|
||||
CGSize size = CGSizeMake(350 + 2 * deltaX, 350 + 4 * deltaY);
|
||||
|
||||
[cages addObject:[NSValue valueWithCGSize:size]];
|
||||
}
|
||||
return cages;
|
||||
}
|
||||
|
||||
- (void)setKittenDataSource:(NSMutableArray *)kittenDataSource {
|
||||
ASDisplayNodeAssert(!self.dataSourceLocked, @"Could not update data source when it is locked !");
|
||||
|
||||
_kittenDataSource = kittenDataSource;
|
||||
}
|
||||
|
||||
- (void)viewDidLoad
|
||||
{
|
||||
[super viewDidLoad];
|
||||
|
||||
[self.view addSubview:_tableView];
|
||||
}
|
||||
|
||||
- (void)viewWillLayoutSubviews
|
||||
{
|
||||
_tableView.frame = self.view.bounds;
|
||||
}
|
||||
|
||||
- (void)toggleEditingMode
|
||||
{
|
||||
[_tableView setEditing:!_tableView.editing animated:YES];
|
||||
}
|
||||
|
||||
#pragma mark -
|
||||
#pragma mark ASTableView.
|
||||
|
||||
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
|
||||
{
|
||||
[_tableView deselectRowAtIndexPath:indexPath animated:YES];
|
||||
// Assume only kitten nodes are selectable (see -tableView:shouldHighlightRowAtIndexPath:).
|
||||
NicCageNode *node = (NicCageNode *)[_tableView nodeForRowAtIndexPath:indexPath];
|
||||
[node toggleImageEnlargement];
|
||||
}
|
||||
|
||||
- (ASCellNode *)tableView:(ASTableView *)tableView nodeForRowAtIndexPath:(NSIndexPath *)indexPath
|
||||
{
|
||||
// special-case the first row
|
||||
if ([_blurbNodeIndexPath compare:indexPath] == NSOrderedSame) {
|
||||
BlurbNode *node = [[BlurbNode alloc] init];
|
||||
return node;
|
||||
}
|
||||
|
||||
NSValue *size = _kittenDataSource[indexPath.row - 1];
|
||||
NicCageNode *node = [[NicCageNode alloc] initWithKittenOfSize:size.CGSizeValue];
|
||||
return node;
|
||||
}
|
||||
|
||||
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
|
||||
{
|
||||
// blurb node + kLitterSize kitties
|
||||
return 1 + _kittenDataSource.count;
|
||||
}
|
||||
|
||||
- (BOOL)tableView:(UITableView *)tableView shouldHighlightRowAtIndexPath:(NSIndexPath *)indexPath
|
||||
{
|
||||
// Enable selection for kitten nodes
|
||||
return [_blurbNodeIndexPath compare:indexPath] != NSOrderedSame;
|
||||
}
|
||||
|
||||
- (void)tableViewLockDataSource:(ASTableView *)tableView
|
||||
{
|
||||
self.dataSourceLocked = YES;
|
||||
}
|
||||
|
||||
- (void)tableViewUnlockDataSource:(ASTableView *)tableView
|
||||
{
|
||||
self.dataSourceLocked = NO;
|
||||
}
|
||||
|
||||
- (BOOL)shouldBatchFetchForTableView:(UITableView *)tableView
|
||||
{
|
||||
return _kittenDataSource.count < kMaxCageSize;
|
||||
}
|
||||
|
||||
- (void)tableView:(UITableView *)tableView willBeginBatchFetchWithContext:(ASBatchContext *)context
|
||||
{
|
||||
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
|
||||
sleep(1);
|
||||
dispatch_async(dispatch_get_main_queue(), ^{
|
||||
|
||||
// populate a new array of random-sized kittens
|
||||
NSArray *moarKittens = [self createLitterWithSize:kCageBatchSize];
|
||||
|
||||
NSMutableArray *indexPaths = [[NSMutableArray alloc] init];
|
||||
|
||||
// find number of kittens in the data source and create their indexPaths
|
||||
NSInteger existingRows = _kittenDataSource.count + 1;
|
||||
|
||||
for (NSInteger i = 0; i < moarKittens.count; i++) {
|
||||
[indexPaths addObject:[NSIndexPath indexPathForRow:existingRows + i inSection:0]];
|
||||
}
|
||||
|
||||
// add new kittens to the data source & notify table of new indexpaths
|
||||
[_kittenDataSource addObjectsFromArray:moarKittens];
|
||||
[tableView insertRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationFade];
|
||||
|
||||
[context completeBatchFetching:YES];
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
|
||||
{
|
||||
// Enable editing for Kitten nodes
|
||||
return [_blurbNodeIndexPath compare:indexPath] != NSOrderedSame;
|
||||
}
|
||||
|
||||
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
|
||||
{
|
||||
if (editingStyle == UITableViewCellEditingStyleDelete) {
|
||||
// Assume only kitten nodes are editable (see -tableView:canEditRowAtIndexPath:).
|
||||
[_kittenDataSource removeObjectAtIndex:indexPath.row - 1];
|
||||
[_tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationAutomatic];
|
||||
}
|
||||
}
|
||||
|
||||
@end
|
||||
@@ -0,0 +1,18 @@
|
||||
//
|
||||
// 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]));
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user