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* [License] Simplify the Texture license to be pure Apache 2 (removing ASDK-Licenses) With permission of the Facebook Open Source team, we are simplifying the Texture license so that clients can rely on the Apache 2 terms that most of Texture is already covered by. This means that code originally forked from AsyncDisplayKit will be re-licensed from "BSD 3-clause + PATENTS v2" to Apache 2 without a PATENTS file. After getting confirmation that the updates to these core files look good, we'll propagate this new license header to all files (in this same PR) and get sign-off from all parties before landing. * [License] Update all Texture source files to be pure Apache 2. * Changelog entry for Apache 2 license update. * Revert "[License] Update all Texture source files to be pure Apache 2." This reverts commit ffa0fbbba9717d871dd16c4b07539f2f8208fc2b. * [License] Update all Texture source files to be pure Apache 2, maintaining copyrights. * [License] Update CONTRIBUTING, README, Podspec & Dangerfile.
105 lines
2.8 KiB
Objective-C
105 lines
2.8 KiB
Objective-C
//
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// PhotoFeedViewController.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 "PhotoFeedViewController.h"
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#import "Utilities.h"
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#import "PhotoTableViewCell.h"
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#import "PhotoFeedModel.h"
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#define AUTO_TAIL_LOADING_NUM_SCREENFULS 2.5
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@interface PhotoFeedViewController () <UITableViewDelegate, UITableViewDataSource>
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@end
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@implementation PhotoFeedViewController
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{
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UITableView *_tableView;
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}
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#pragma mark - Lifecycle
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- (instancetype)init
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{
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self = [super initWithNibName:nil bundle:nil];
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if (self) {
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self.navigationItem.title = @"UIKit";
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[self.navigationController setNavigationBarHidden:YES];
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_tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
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_tableView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
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_tableView.delegate = self;
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_tableView.dataSource = self;
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}
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return self;
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}
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// anything involving the view should go here, not init
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- (void)viewDidLoad
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{
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[super viewDidLoad];
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[self.view addSubview:_tableView];
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_tableView.frame = self.view.bounds;
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[_tableView registerClass:[PhotoTableViewCell class] forCellReuseIdentifier:@"photoCell"];
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}
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#pragma mark - Subclassing
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- (UITableView *)tableView
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{
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return _tableView;
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}
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- (void)loadPage
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{
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[self.photoFeed requestPageWithCompletionBlock:^(NSArray *newPhotos){
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[self insertNewRows:newPhotos];
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} numResultsToReturn:20];
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}
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#pragma mark - UITableViewDataSource methods
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
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{
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return [self.photoFeed numberOfItemsInFeed];
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}
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
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{
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PhotoTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"photoCell" forIndexPath:indexPath];
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[cell updateCellWithPhotoObject:[self.photoFeed objectAtIndex:indexPath.row]];
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return cell;
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}
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- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(nonnull NSIndexPath *)indexPath
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{
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PhotoModel *photo = [self.photoFeed objectAtIndex:indexPath.row];
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return [PhotoTableViewCell heightForPhotoModel:photo withWidth:self.view.bounds.size.width];
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}
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#pragma mark - UITableViewDelegate methods
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// table automatic tail loading
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-(void)scrollViewDidScroll:(UIScrollView *)scrollView
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{
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CGFloat currentOffSetY = scrollView.contentOffset.y;
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CGFloat contentHeight = scrollView.contentSize.height;
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CGFloat screenHeight = [UIScreen mainScreen].bounds.size.height;
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CGFloat screenfullsBeforeBottom = (contentHeight - currentOffSetY) / screenHeight;
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if (screenfullsBeforeBottom < AUTO_TAIL_LOADING_NUM_SCREENFULS) {
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[self loadPage];
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}
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}
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@end
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