mirror of
https://github.com/TextureGroup/Texture.git
synced 2026-04-07 19:17:39 +00:00
61 lines
1.6 KiB
Objective-C
61 lines
1.6 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"
|
|
#import <AsyncDisplayKit/ASDisplayNode+Beta.h>
|
|
|
|
#define kTailLoadingNodeHeight 100
|
|
|
|
@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;
|
|
}];
|
|
|
|
// Set a static height for the loading node
|
|
self.style.height = ASDimensionMake(kTailLoadingNodeHeight);
|
|
|
|
[self setupYogaLayoutIfNeeded];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
#if !YOGA_LAYOUT && AS_ENABLE_LAYOUTSPECS
|
|
- (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
|