mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
9bc996374f
git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
113 lines
3.1 KiB
Objective-C
113 lines
3.1 KiB
Objective-C
//
|
|
// PhotoFeedBaseController.m
|
|
// Texture
|
|
//
|
|
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
|
|
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
|
|
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
|
|
#import "PhotoFeedBaseController.h"
|
|
#import "PhotoFeedModel.h"
|
|
|
|
@implementation PhotoFeedBaseController
|
|
{
|
|
UIActivityIndicatorView *_activityIndicatorView;
|
|
}
|
|
|
|
// -loadView is guaranteed to be called on the main thread and is the appropriate place to
|
|
// set up an UIKit objects you may be using.
|
|
- (void)loadView
|
|
{
|
|
[super loadView];
|
|
|
|
_activityIndicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
|
|
|
|
_photoFeed = [[PhotoFeedModel alloc] initWithPhotoFeedModelType:PhotoFeedModelTypePopular imageSize:[self imageSizeForScreenWidth]];
|
|
[self refreshFeed];
|
|
|
|
CGSize boundSize = self.view.bounds.size;
|
|
[_activityIndicatorView sizeToFit];
|
|
CGRect refreshRect = _activityIndicatorView.frame;
|
|
refreshRect.origin = CGPointMake((boundSize.width - _activityIndicatorView.frame.size.width) / 2.0,
|
|
(boundSize.height - _activityIndicatorView.frame.size.height) / 2.0);
|
|
_activityIndicatorView.frame = refreshRect;
|
|
[self.view addSubview:_activityIndicatorView];
|
|
|
|
self.tableView.allowsSelection = NO;
|
|
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
|
|
|
|
self.view.backgroundColor = [UIColor whiteColor];
|
|
}
|
|
|
|
- (void)refreshFeed
|
|
{
|
|
[_activityIndicatorView startAnimating];
|
|
// small first batch
|
|
[_photoFeed refreshFeedWithCompletionBlock:^(NSArray *newPhotos){
|
|
|
|
[_activityIndicatorView stopAnimating];
|
|
|
|
[self.tableView reloadData];
|
|
|
|
// immediately start second larger fetch
|
|
[self loadPage];
|
|
|
|
} numResultsToReturn:4];
|
|
}
|
|
|
|
- (void)insertNewRows:(NSArray *)newPhotos
|
|
{
|
|
NSInteger section = 0;
|
|
NSMutableArray *indexPaths = [NSMutableArray array];
|
|
|
|
NSInteger newTotalNumberOfPhotos = [_photoFeed numberOfItemsInFeed];
|
|
NSInteger existingNumberOfPhotos = newTotalNumberOfPhotos - newPhotos.count;
|
|
for (NSInteger row = existingNumberOfPhotos; row < newTotalNumberOfPhotos; row++) {
|
|
NSIndexPath *path = [NSIndexPath indexPathForRow:row inSection:section];
|
|
[indexPaths addObject:path];
|
|
}
|
|
[self.tableView insertRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationNone];
|
|
}
|
|
|
|
- (UIStatusBarStyle)preferredStatusBarStyle
|
|
{
|
|
return UIStatusBarStyleLightContent;
|
|
}
|
|
|
|
- (BOOL)prefersStatusBarHidden
|
|
{
|
|
return NO;
|
|
}
|
|
|
|
- (CGSize)imageSizeForScreenWidth
|
|
{
|
|
CGRect screenRect = [[UIScreen mainScreen] bounds];
|
|
CGFloat screenScale = [[UIScreen mainScreen] scale];
|
|
return CGSizeMake(screenRect.size.width * screenScale, screenRect.size.width * screenScale);
|
|
}
|
|
|
|
#pragma mark - PhotoFeedViewControllerProtocol
|
|
|
|
- (void)resetAllData
|
|
{
|
|
[_photoFeed clearFeed];
|
|
[self.tableView reloadData];
|
|
[self refreshFeed];
|
|
}
|
|
|
|
#pragma mark - Subclassing
|
|
|
|
- (UITableView *)tableView
|
|
{
|
|
NSAssert(NO, @"Subclasses must override this method");
|
|
return nil;
|
|
}
|
|
|
|
- (void)loadPage
|
|
{
|
|
NSAssert(NO, @"Subclasses must override this method");
|
|
}
|
|
|
|
@end
|