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New ASDelegateProxy class to unify logic for Table & Collection forwarding. Fix dealloc-during-animation crash.

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This commit is contained in:
Scott Goodson
2015-12-23 20:01:52 -08:00
parent 928c440b4c
commit ca57059322
14 changed files with 382 additions and 233 deletions
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41
examples/ASCollectionView/Sample/ViewController.m
View File

@@ -18,6 +18,7 @@
@interface ViewController () <ASCollectionViewDataSource, ASCollectionViewDelegateFlowLayout>
{
ASCollectionView *_collectionView;
NSArray *_data;
}
@end
@@ -37,7 +38,7 @@
layout.headerReferenceSize = CGSizeMake(50.0, 50.0);
layout.footerReferenceSize = CGSizeMake(50.0, 50.0);
_collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout asyncDataFetching:YES];
_collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
_collectionView.asyncDataSource = self;
_collectionView.asyncDelegate = self;
_collectionView.backgroundColor = [UIColor whiteColor];
@@ -45,8 +46,10 @@
[_collectionView registerSupplementaryNodeOfKind:UICollectionElementKindSectionHeader];
[_collectionView registerSupplementaryNodeOfKind:UICollectionElementKindSectionFooter];
#if !SIMULATE_WEB_RESPONSE
self.navigationItem.leftItemsSupplementBackButton = YES;
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(reloadTapped)];
#endif
return self;
}
@@ -56,6 +59,31 @@
[super viewDidLoad];
[self.view addSubview:_collectionView];
#if SIMULATE_WEB_RESPONSE
__weak typeof(self) weakSelf = self;
void(^mockWebService)() = ^{
NSLog(@"ViewController \"got data from a web service\"");
ViewController *strongSelf = weakSelf;
if (strongSelf != nil)
{
NSLog(@"ViewController is not nil");
strongSelf->_data = [[NSArray alloc] init];
[strongSelf->_collectionView performBatchUpdates:^{
[strongSelf->_collectionView insertSections:[[NSIndexSet alloc] initWithIndexesInRange:NSMakeRange(0, 100)]];
} completion:nil];
NSLog(@"ViewController finished updating collectionView");
}
else {
NSLog(@"ViewController is nil - won't update collectionView");
}
};
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC)), dispatch_get_main_queue(), mockWebService);
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[self.navigationController popViewControllerAnimated:YES];
});
#endif
}
- (void)viewWillLayoutSubviews
@@ -101,7 +129,11 @@
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
#if SIMULATE_WEB_RESPONSE
return _data == nil ? 0 : 100;
#else
return 100;
#endif
}
- (void)collectionViewLockDataSource:(ASCollectionView *)collectionView
@@ -125,4 +157,11 @@
return UIEdgeInsetsMake(20.0, 20.0, 20.0, 20.0);
}
#if SIMULATE_WEB_RESPONSE
-(void)dealloc
{
NSLog(@"ViewController is deallocing");
}
#endif
@end