Files
Swiftgram/examples/ASDKgram/Sample/TailLoadingNode.m
Michael Schneider 231ba3d6b8 Add Yoga layout to ASDKGram Texture cells (#1315)
- Fix Yoga layout within PhotoCellNode
- Add Yoga layout support to FeedHeaderNode and TailLoadingNode
2019-01-18 08:43:51 -08:00

55 lines
1.4 KiB
Objective-C

//
// TailLoadingNode.m
// Texture
//
// Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import "TailLoadingNode.h"
#import "Availability.h"
@interface TailLoadingNode ()
@property (nonatomic, strong) ASDisplayNode *activityIndicatorNode;
@end
@implementation TailLoadingNode
- (instancetype)init
{
if (self = [super init]) {
self.automaticallyManagesSubnodes = YES;
_activityIndicatorNode = [[ASDisplayNode alloc] initWithViewBlock:^{
UIActivityIndicatorView *v = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
[v startAnimating];
return v;
}];
self.style.height = ASDimensionMake(100);
[self setupYogaLayoutIfNeeded];
}
return self;
}
#if !YOGA_LAYOUT
- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
{
return [ASCenterLayoutSpec centerLayoutSpecWithCenteringOptions:ASCenterLayoutSpecCenteringXY sizingOptions:ASCenterLayoutSpecSizingOptionMinimumXY child:self.activityIndicatorNode];
}
#endif
- (void)setupYogaLayoutIfNeeded
{
#if YOGA_LAYOUT
[self.style yogaNodeCreateIfNeeded];
[self.activityIndicatorNode.style yogaNodeCreateIfNeeded];
[self addYogaChild:self.activityIndicatorNode];
self.style.justifyContent = ASStackLayoutJustifyContentCenter;
self.style.alignItems = ASStackLayoutAlignItemsCenter;
#endif
}
@end