mirror of
https://github.com/Swiftgram/Telegram-iOS.git
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c2ea7cfeac
* Separate dataSource & UIKit index spaces Beef up our supplementary node support Make the API way better Go nuts Add a unit test for UICollectionView's handling of reloadData inside batch updates Wrap indexPathForNode: in a cache Convert index paths in delegate methods Go back on table view Put collection view back Switch up the API Move most ASCollectionView API to ASCollectionNode Move most table logic over to ASTableNode Do the things More conversion work Keep on keepin' on Get table view delegate API done More porting Simplify Clear the delegate More cleanup Move more stuff around Remove pointless file Re-add some API Put back more API Use the right flag * Some cleanup * Remove incorrect comment * Tweak the API * Put back a couple methods * update example projects (note: ASCollectionView deprecation warnings expected) * change reloadDataWithCompletion:nil --> reloadData * Clean up rebase * Make deprecated numberOfItemsInSection methods optional * Use the right flag * Address nits * update ASDKTube, ASDKgram & ASViewController examples
99 lines
3.2 KiB
Objective-C
99 lines
3.2 KiB
Objective-C
//
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// DetailRootNode.m
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// Sample
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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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 "DetailCellNode.h"
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#import <AsyncDisplayKit/AsyncDisplayKit.h>
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static const NSInteger kImageHeight = 200;
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@interface DetailRootNode () <ASCollectionDataSource, ASCollectionDelegate>
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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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// 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.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.automaticallyManagesSubnodes = YES;
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return self;
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}
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- (void)dealloc
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{
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_collectionNode.delegate = nil;
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_collectionNode.dataSource = nil;
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}
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#pragma mark - ASDisplayNode
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- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
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{
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self.collectionNode.position = CGPointZero;
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self.collectionNode.style.preferredSize = constrainedSize.max;
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return [ASAbsoluteLayoutSpec absoluteLayoutSpecWithChildren:@[self.collectionNode]];
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}
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#pragma mark - ASCollectionDataSource
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- (NSInteger)collectionNode:(ASCollectionNode *)collectionNode numberOfItemsInSection:(NSInteger)section
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{
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return 10;
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}
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- (ASCellNodeBlock)collectionNode:(ASCollectionNode *)collectionNode 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 alloc] init];
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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)collectionNode:(ASCollectionNode *)collectionNode constrainedSizeForItemAtIndexPath:(NSIndexPath *)indexPath
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{
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CGSize imageSize = CGSizeMake(CGRectGetWidth(collectionNode.view.frame), kImageHeight);
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return ASSizeRangeMake(imageSize, imageSize);
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}
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@end
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