mirror of
https://github.com/Swiftgram/Telegram-iOS.git
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90 lines
3.0 KiB
Objective-C
90 lines
3.0 KiB
Objective-C
/* This file provided by Facebook is for non-commercial testing and evaluation
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* purposes only. Facebook reserves all rights not expressly granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#import "DetailRootNode.h"
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#import <AsyncDisplayKit/AsyncDisplayKit.h>
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#import "DetailCellNode.h"
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static const NSInteger kImageHeight = 200;
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@interface DetailRootNode () <ASCollectionViewDataSource, ASCollectionViewDelegate>
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@property (nonatomic, copy) NSString *imageCategory;
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@property (nonatomic, strong) ASCollectionNode *collectionNode;
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@end
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@implementation DetailRootNode
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#pragma mark - Lifecycle
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- (instancetype)initWithImageCategory:(NSString *)imageCategory
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{
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self = [super init];
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if (self == nil) { return self; }
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_imageCategory = imageCategory;
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[self initNode];
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return self;
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}
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- (void)initNode
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{
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// Create ASCollectionView. We don't have to add it explicitly as subnode as we will set usesImplicitHierarchyManagement to YES
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UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
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_collectionNode = [[ASCollectionNode alloc] initWithCollectionViewLayout:layout];
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_collectionNode.delegate = self;
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_collectionNode.dataSource = self;
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_collectionNode.view.backgroundColor = [UIColor whiteColor];
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// Enable usesImplicitHierarchyManagement so the first time the layout pass of the node is happening all nodes that are referenced
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// in layouts within layoutSpecThatFits: will be added automatically
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self.usesImplicitHierarchyManagement = YES;
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}
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#pragma mark -
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- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
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{
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ASStaticLayoutSpec *staticSpec = [ASStaticLayoutSpec staticLayoutSpecWithChildren:@[self.collectionNode]];
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self.collectionNode.position = CGPointZero;
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self.collectionNode.sizeRange = ASRelativeSizeRangeMakeWithExactCGSize(constrainedSize.max);
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return staticSpec;
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}
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#pragma mark -
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- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
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{
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return 10;
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}
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- (ASCellNodeBlock)collectionView:(ASCollectionView *)collectionView nodeBlockForItemAtIndexPath:(NSIndexPath *)indexPath
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{
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NSString *imageCategory = self.imageCategory;
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return ^{
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DetailCellNode *node = [DetailCellNode new];
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node.row = indexPath.row;
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node.imageCategory = imageCategory;
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return node;
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};
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}
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- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath
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{
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CGSize imageSize = CGSizeMake(CGRectGetWidth(collectionView.frame), kImageHeight);
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return ASSizeRangeMake(imageSize, imageSize);
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}
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@end
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